Patent application number | Description | Published |
20080199621 | TWO-CONSTITUENT POLYURETHANE COMPOSITION HAVING HIGH EARLY STRENGTH - The invention relates to a two-constituent composition, wherein the first constituent (A) contains at least one polyurethane prepolymer which has isocyanate end groups and is produced from at least one aromatic polyisocyanate and at least one polyol, and at least one polyaldimine which can be obtained from at least one polyamine having aliphatic primary amino groups and at least one aldehyde which, in position α in relation to the carbonyl group, does not have any C—H groups. The second constituent (B) contains water which is bound to a carrier material. The inventive composition is characterised in that it exhibits a high early strength, and hardens quickly, thus not forming any bubbles. | 08-21-2008 |
20080251204 | Reactive Polyurethane-Hot Melt Adhesive Having a Low Isocyanate-Monomer Content - The invention relates to relates to moisture-hardened hot melt adhesive which contains at least one polyurethane polymer of formula (I) which comprises aldimine groups and which is solid at room temperature, in addition to at least one polyurethane polymer P which comprises isocyanate groups, if q in formula (I) represents zero, or if X in formula (I) represents N—R | 10-16-2008 |
20080280145 | Laminates joined by polyurethane hot-melt adhesive and process for bonding plasticizer-containing plastics - The present invention relates to laminates of a plasticizer-containing plastic, obtained by bonding by means of a moisture-reactive hot-melt adhesive which comprises at least one aldimine and at least one polyurethane polymer which contains isocyanate groups and is solid at room temperature. The bonded assembly is notable for improved adhesive, particularly following heat/moisture storage or alternating storage. Preferred embodiments of such laminates are bonded films or film-laminated supports, the film preferably being a pPVC film. | 11-13-2008 |
20090061239 | Use of a latent acid for adhesion promotion - The present invention relates to adhesion-promoting compositions comprising a latent acid in a non-aqueous composition, the latent acid by contact with water being convertible into an acid having a pK | 03-05-2009 |
20090068479 | Moisture-reactive adhesive compositions with very low temperature dependency of the shear modulus - The present invention relates to moisture-reactive adhesive compositions which comprise a specific dialdimine of the formula (I) and also a polyurethane polymer P1 which is liquid at room temperature and contains isocyanate groups. These compositions are notable for a very low temperature dependency of the shear modulus, i.e. after 7 days' storage at room temperature and 50% relative humidity they feature a ratio of the shear modulus measured at −20° C. to the shear modulus measured at 23° C. of less than 1.7. | 03-12-2009 |
20090075086 | Moisture-Curable Composition Featuring Increased Elasticity - The invention relates to moisture-curable compositions that air provided with increased elasticity while having good mechanical properties and adhesion. Said compositions contain at least on silane-functional polymer A, at least one aminosilane AS2, and at least one α-functional organodialkoxysilane at an amount of 0.6 to 5.0 parts by weight relative to 100 parts by weight of polymer A. Also disclosed are the production and use of the inventive compositions, especially as a sealant and adhesive. | 03-19-2009 |
20090075096 | Organoalkoxysilanes - The present invention relates to organoalkoxysilanes containing a urea or thiourea or carbamate or thiocarbamate group of formula (I), as well as preparation and use thereof. It further relates to a composition containing the organoalkoxysilane of formula (I). Such compositions are especially suitable as adhesives and sealants, and have high stretchability and high strength. | 03-19-2009 |
20090081470 | Moisture-Curing Compositions Containing Silane-Functional Polymers and Aminosilane Adducts With Good Adhesive Properties - Moisture-curing compositions include at least one silane-functional polymer P with at least two terminal groups of formula (I) and at least one reaction product R which is produced from at least one aminosilane AS with at least one primary amino group and at least one silane group-free alkene M which is capable of entering in 1,4 addition reactions with primary amino groups. The compositions have improved adhesive properties and are especially suitable for use as adhesives, sealing materials or coatings, especially as elastic adhesive or sealing materials. | 03-26-2009 |
20090099333 | Compounds Containing Aldimine - The invention relates to compounds of formula (I) which contain aldimine, and to the use thereof. Said compounds which contain aldimines are characterised in that they are odour-less and during hydrolysis the odour-free aldehydes are separated. They are used, therefor, as sources for aldehydes. They can also be used in cross-linking reactions. | 04-16-2009 |
20090159204 | Moisture-Hardened Polyurethane Compositions Containing Compounds Comprising Aldimine - The invention relates to compositions which contain at least one isocyanate-containing polyurethane polymer P, which is produced from at least one polyisocyanate and at least one polyol, in addition to at least one aldimine-containing compound of formula (I). The compositions are stable during storage and harden quickly under the influence of moisture, are non-porous and do no not separate rich substances. Said compositions, the hardened compositions, and the resulting separated products are odour-less. The compositions can be used as an adhesive, sealant or coating which exhibit good mechanical properties and adhesion. | 06-25-2009 |
20090176944 | Aldimines Comprising Reactive Groups Containing Active Hydrogen, and Use Thereof - The invention relates to aldimines of formula (I), the resulting products thereof, in addition to the uses thereof. The compounds containing aldimines and aldimines wherein they are odour-free and during hydrolysis separate the odour-free aldehydes. They are therefore used as sources for aldehydes and amines. | 07-09-2009 |
20090202837 | Moisture-Curing Polyurethane Composition with Good Low-Temperature Performance - The present invention relates to one-component moisture-curing compositions comprising at least one isocyanate-containing polyurethane polymer P which has a mean molecular weight of at least 4000 g/mol, and at least one polyaldimine ALD of the formula (I) or (II), where the content of isocyanate groups is at most 3.5% by weight, based on the sum of the isocyanate-containing constituents present in the composition. The compositions are suitable especially as sealants and are notable for good low-temperature performance. | 08-13-2009 |
20090214879 | Moisture-Curing Compositions Containing Silane-Functional Polymers With Good Adhesive Properties - Moisture-curing compositions include at least one silane-functional polymer P with at least two terminal groups of formula (I), at least one aminosilane AS and at least one (meth)acrylsilane or anhydriodosilane of formula (II). The compositions have improved adhesive properties and are especially suitable for use as adhesives, sealing materials or coatings, especially as elastic adhesive or sealing materials. | 08-27-2009 |
20100003526 | Polyurethane composition with good initial strength - A one-component, moisture curing composition that has a) at least one polyurethane polymer P1, being liquid at room temperature and having isocyanate groups and b) at least one polyurethane polymer A of the formula (Ia) or (Ib), being solid at room temperature and having aldimine groups with a melting point in the range from 40° C. to 80° C., the composition 1) being capable of being applied warm; 2) having adjustable cure times and a good initial strength with suitable application properties; 3) curing under the influence of humidity without bubbles; and 4) having a good elasticity and mechanical rigidity after curing. | 01-07-2010 |
20100009076 | Voc-free or voc-poor polyurethane coating - The invention relates to humidity hardening compounds containing at least one polyurethane polymer, P, exhibiting an isocyanate group, at least one polyimine ALD of Formula (I) of at least 22% by weight, in relation to the sum of the components of the compound which contain the isocyanate group, as well as, if necessary, a polyisocyanate oligomer OP. The humidity hardening compound is particularly suitable for providing coatings and linings. The use of the imines makes possible VOC-free or VOC-poor compounds, which is a substantial advantage for indoor applications. | 01-14-2010 |
20100015450 | Isocyanate-and Aldimine Group-Carrying Compounds With a Low Isocyanate Monomer Content - The invention relates to the isocyanate- and aldimine group-carrying compounds VB of formula (I), to their compositions and to uses thereof. The moisture cross-linking polyurethane compositions are characterized by a surprisingly low content in monomeric isocyanates and are therefore especially suitable as hot-melt adhesives. | 01-21-2010 |
20100021743 | ASYMMETRIC DIALDIMINE-CONTAINING POLYURETHANE COMPOSITION - The invention relates to moisture-curing compositions which comprise at least one aromatic isocyanate group-bearing polyisocyanate and at least one dialdimine of formula (I). The compositions according to the invention have a longer open time and at the same time a shorter curing time, they are storage-stable and cure without forming bubbles. They are especially suitable as adhesives, sealing agents, potting compounds or coating materials, the use as sealing agents being especially advantageous. | 01-28-2010 |
20100032074 | DIALDIMINE, EMULSION CONTAINING DIALDIMINE, AND BICOMPONENT POLYURETHANE COMPOSITION, AND THE USE THEREOF - The present invention relates to dialdimines of the formula (I) and emulsions and uses thereof. In particular, they can be used for the preparation of pasty curing agent or accelerator components for polymers having isocyanate groups, which lead to very high early strength, which have good flow behaviour on pumping and which can be formulated without VOC solvents, in particular without N-alkylpyrrolidones. These components can be homogeneously or inhomogeneously mixed in an outstanding manner, in particular in a laminar manner, with components which contain polyurethane polymers having isocyanate groups, the two-component compositions thus obtained curing rapidly, having extremely high early strength and remaining without annoying weaknesses. | 02-11-2010 |
20100040894 | Moisture-Curing Hotmelt Adhesives Comprising at Least One Silane-Functional Polyurethane Prepolymer - The present invention relates to moisture-curing hotmelt adhesive compositions which comprise at least one silane-functional polyurethane prepolymer of the formula (I). The compositions have neither heating nor curing bubbles and feature an exceptional viscosity stability at high temperatures. These hotmelt adhesives are therefore suitable especially for industrial manufacture and especially of transparent materials. | 02-18-2010 |
20100048770 | CYCLOALIPHATIC POLYURETHANE COMPOSITION CONTAINING CYCLOALIPHATIC DIALDIMINES - The invention relates to polyurethane compositions which comprise at least one cycloaliphatic isocyanate group bearing polyurethane polymer P and at least on cycloaliphatic dialdimine. Compositions of this type are especially suitable as elastic adhesives and sealing agents and as coating materials and are characterized by their photostability and good storage stability while having good processing properties. The compositions according to the invention cure quickly, without forming bubbles and giving off odors. When cures, they are highly stable and have little surface tack and little tendency to exudates components that are capable of migration. | 02-25-2010 |
20100101455 | ALDIMINES AND COMPOSITIONS COMPRISING ALDIMINE - The present invention relates in a first consideration to aldimines of formula (I). Said aldimines are particularly suitable as latent hardeners in curable compositions, particularly compositions comprising one or two-component isocyanate groups. Due to the presence of the reactive group, they can be converted to compounds of the formulas (X) and (XII) comprising aldimine groups, implementing a further consideration of the present invention. The aldimines, or the compounds comprising aldimine groups, can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems. | 04-29-2010 |
20100130674 | METHOD FOR THE PRODUCTION OF POLYURETHANE COMPOSITIONS WITH A LOW ISOCYANATE MONOMER CONTENT - The person invention relates to a method for the production of a polyurethane composition with a low isocyanate monomer content. In said method, at least one polyurethane polymer comprising isocyanate groups is reacted with at least one compound VB, wherein the compound VB comprises a group carrying an active hydrogen that represents a hydroxyl group or a mercapto group or a secondary amino group and at least one blocked amino group selected from the group consisting of aldimino groups of the formula (Ia) or (Ib), ketimino groups, enamino groups, and oxazolidino groups. Using said method, compositions are obtained in a cost-effective, efficient, and elegant manner having an extremely reduced monomeric diisocyanate content, said compositions being particularly suitable as hot-melt adhesives. | 05-27-2010 |
20100190014 | ALDIMINES COMPRISING HYDROXYL GROUPS, AND COMPOSITIONS CONTAINING ALDIMINE - The present invention relates to aldimines of the formula (I) which have at least one hydroxyl group, and to curable compositions comprising these aldimines. The aldimines can be prepared in a simple manner and are widely usable. The aldehydes formed in the hydrolysis can be incorporated into a polymer via the hydroxyl groups and have tertiary amino groups which can act catalytically. | 07-29-2010 |
20100227174 | POLYURETHANE COMPOSITION COMPRISING TERTIARY AMINES AND ANHYDRIDOSILANES - The present invention relates to polyurethane compositions which are based on polyurethane polymers having isocyanate groups and comprise at least one tertiary amine and an anhydridosilane. Such compositions are suitable especially as elastic adhesives, sealants and coatings for glass and ceramic substrates. They are notable in that, with optimal adhesive properties, they are employable within a wide temperature range, including the low-temperature range, and additionally have a very good storage stability. | 09-09-2010 |
20100255314 | AROMATIC ALDIMINES AND POLYURETHANE COMPOSITIONS WHICH CONTAIN ALDIMINE - The present invention relates to aromatic aldimines, which are based on primary aromatic polyamines, which are solid at room temperature and liquid at room temperature and which have the lowest possible viscosity, hydrolyze with little odor, and can be used as blocked amines in curable compositions, in particular in compositions having one-component and two-component isocyanate groups. Said compositions have a relatively long open time, but cure surprisingly rapidly, said curing occurring without strong odor formation and without bubbling. In addition, the compositions have outstanding mechanical properties after curing, in particular high strength with high ductility, and good resistance to heat and moisture. | 10-07-2010 |
20100273008 | POLYURETHANE POLYMER FOR REVERSIBLE ADHESIVE BONDS - A polyurethane polymer which has sterically hindered urea groups which lead to the effect that the polyurethane has thermal lability at these sites. The invention further relates to a composition for preparing such a polyurethane polymer, said composition being suitable for the production of reversible adhesive bonds, seals and coatings. An inventive polyurethane polymer, or the corresponding composition for production thereof, finds use especially in automobile construction, where the possibility of detaching adhesive-bonded components and window panes is of significance for dismantling for repair purposes or else for utilization and recycling of used and accident-damaged automobiles. | 10-28-2010 |
20100273924 | CURABLE COMPOSITIONS HAVING LESS VOLATILIZATION - The invention particularly relates to curable compositions comprising at least one polyisocyanate, at least one amine that is blocked by means of aldehyde or ketone, and at least one carboxylic acid hydrazide or sulfonic acid hydrazide which has a minimum melting point of 100° C., especially at least 150° C. Surprisingly, after being cured using moisture at room temperature and when being heated to increased temperatures, significantly fewer volatile components of such compositions volatilize than in the corresponding compositions that do not contain said hydrazide. | 10-28-2010 |
20100279121 | PRIMER COMPOSITION CONTAINING ALDIMINE - The invention relates to the use of compositions containing a polyaldimine ALD of formula (I) as primers for adhesives or sealants. It turned out that said primers accelerate adhesion especially in winter weather without reducing the open time of the primer. Said accelerated adhesion is particularly important for fast-curing polyurethane adhesives or sealants. | 11-04-2010 |
20100291368 | MOISTURE-CURING HOT-MELT ADHESIVE COMPOUND CONTAINING POLYALDIMINE - The present invention relates to moisture-reactive hot-melt adhesive compounds, comprising at least one polyurethane polymer P which is solid at room temperature and which has isocyanate groups, at least one polyaldimine ALD of the formula (Ia) or (Ib), and at least one acid K in the form of an organic monocarbon acid, or dicarbon acid, or an organic monosulphonic acid, or disulphonic acid, or a compound which can be hydrolyzed to give one of these acids. These hot-melt adhesive compounds cure without bubbles and exhibit exceptionally quick crosslinking speed and good strength after crosslinking. | 11-18-2010 |
20100323202 | USE OF CARBOXYLIC ACID HYDRAZIDE FOR DE-BONDING POLYURETHANE ADHESIVES - This disclosure relates to the use of carboxylic acid hydrazide for de-bonding (e.g., detaching) polyurethane adhesives. The carboxylic acid hydrazide is present in the polyurethane adhesive as a solid in free form and is thus not incorporated in the polymer. When the adhesive is heated to a temperature of at least 80° C., the polymer is thermally degraded. With such an adhesive, components that are bonded in such a way can be detached in a simple method, by which the repair, the use or the recycling of the components is more easily possible. | 12-23-2010 |
20110042002 | Fastening element for fastening to a base body and method for fastening said fastening element - The invention relates to a fixing element for fixing to a base body, in particular to building surfaces comprising a support and an reactive adhesive. | 02-24-2011 |
20110195242 | ALDEHYDES CONTAINING HYDROXL GROUPS - The present invention relates to aldehydes of the formula (I) which contain tertiary amino groups and at least one hydroxyl group. Aldehydes of this kind can be utilized broadly. Aldehydes of particular advantage can be incorporated into a polymer, and find use as curing agents and/or catalysts. Preferably they find use in adhesives and sealants | 08-11-2011 |
20110198030 | POLYURETHANE COMPOSITION THAT CONTAINS ALPHA-SILANE AND THAT HAS ANISOTROPIC MATERIAL PROPERTIES - A single-component, moisture-curing composition, including at least one polyisocyanate, a polyaldimine, an α-functional organoalkoxysilane, and an acid in special proportions that can be matched to one another. An exemplary composition cures by moisture as much as possible without forming bubbles. In the curing of the composition by atmospheric humidity, an anisotropic material is produced with a predominantly elastic sheath that is virtually tack-free on the surface and a predominantly plastic core. An exemplary composition can be especially well suited as a flexible sealant. | 08-18-2011 |
20110198031 | POLYURETHANE COMPOSITION THAT CONTAINS ORGANOMETHOXYSILANE AND HAS ANISOTROPIC MATERIAL PROPERTIES - A single-component, moisture-curing composition, including at least one polyisocyanate, a polyaldimine, an organomethoxysilane, an acid as well as a tin catalyst in special proportions that can be matched to one another. An exemplary composition cures by moisture as much as possible without forming bubbles. In the curing of the composition by atmospheric humidity, an anisotropic material is produced with a predominantly elastic sheath that is virtually tack-free on the surface and a predominantly plastic core. An exemplary composition can be especially well suited as a flexible sealant. | 08-18-2011 |
20110214810 | HYDROXYALDIMINE-CONTAINING POLYURETHANE COMPOSITION - A composition that includes aldimines of Formula (I). The composition can be a two-component polyurethane composition. The composition can have a long open time, but build up an early strength quickly, and in the cured state can have high tensile strength and a high modulus of elasticity. The composition can be odorless or at least low-odor before, during and after curing. | 09-08-2011 |
20110253309 | ALDIMINE AND COMPOSITION CONTAINING ALDIMINE - Aldimines of Formula (I), which can be used as latent curing agents in curing compositions, for example, in moisture-curing polyurethane compositions that have isocyanate groups. The aldimines are compounds that can be liquid at room temperature, can have a hardly noticeable aldehyde odor before, during and after hydrolysis, and can have a long shelf life. An aldehyde in polyurethane compositions that is released during hydrolysis has only a slight softening effect and can exhibit very little tendency to migrate or exude. | 10-20-2011 |
20120012251 | HOT CURING OR HEAT-ACTIVATED COMPOSITION CONTAINING A SURFACE-DEACTIVATED POLYISOCYANATE - The present invention relates to curable compositions comprising at least one specific blocked amine, at least one surface-deactivated polyisocyanate that is solid at ambient temperature and optionally water or a water-producing substance. Compositions of this type are characterized by an extremely high storage stability as long as they are not heated. Hot curing compositions that cure with the action of heat can thus be produced. Heat-activated compositions can also be produced. When heat is applied the latter compositions are not cured but are activated so that they are able to cure under the influence of moisture. The curable compositions are particularly suitable for use as adhesives. | 01-19-2012 |
20120045652 | COMPOSITION CONTAINING A SURFACE-DEACTIVATED POLYISOCYANATE AND CURING IN TWO STAGES - Single-component compositions are disclosed, which can be cured in two stages, wherein in the first curing stage, compositions pre-cured by means of moisture and having in particular plastic properties are formed, and wherein in the second curing stage, compositions cured by means of heat and having in particular elastic properties are formed. The two-stage compositions are suitable in particular as adhesives and have the great advantage that thanks to said two-stage compositions, an adhesive can be applied to a substrate, said adhesive cures by means of moisture in such a way that it can be handled and stored without problems, and said adhesive can be cured easily in an adhering step by means of heat only when needed. | 02-23-2012 |
20120107616 | Laminates Joined by Polyurethane Hot-Melt Adhesive and Process for Bonding Plasticizer-Containing Plastics - The present invention relates to laminates of a plasticizer-containing plastic, obtained by bonding by means of a moisture-reactive hot-melt adhesive which comprises at least one aldimine and at least one polyurethane polymer which contains isocyanate groups and is solid at room temperature. The bonded assembly is notable for improved adhesive, particularly following heat/moisture storage or alternating storage. Preferred embodiments of such laminates are bonded films or film-laminated supports, the film preferably being a pPVC film. | 05-03-2012 |
20120142870 | Isocyanate- and Aldimine Group- Carrying Compounds with a Low Isocyanate Monomer Content - Isocyanate- and aldimine group-carrying compounds VB of formula (I), their compositions and I uses thereof. The moisture cross-linking polyurethane compositions are characterized by a surprisingly low content in monomeric isocyanates and are therefore especially suitable as hot-melt adhesives. | 06-07-2012 |
20120220736 | ALDIMINES AND COMPOSITIONS COMPRISING ALDIMINE - Aldimino containing compounds obtained from a reaction of aldimines of formula (I) with a compound that bears at least one reactive group that can enter into addition reactions with an HX group of an aldimine of formula I. The compounds containing aldimine groups can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems. | 08-30-2012 |
20120270967 | LOW-VISCOSITY EPOXY RESIN COMPOSITION WITH LOW BLUSHING - A two-component epoxy resin composition, including: a resin component which includes at least one epoxy resin and at least one aldehyde, and a hardener component which includes at least one polyamine having at least one primary amino group. | 10-25-2012 |
20120315388 | BONDING SYSTEM COMPRISING AN ADHESIVE OR SEALANT AND A PRIMER - An adhesive system, including a bonding agent composition containing at least one aqueous dispersion of a solid epoxy resin; and at least one polyamine; and an adhesive or sealant, containing at least one compound V in free or hydrolytically releasable form, which can react with the polyamine in a condensation reaction, wherein an adhesive system can result in improved adhesion under humid and warm conditions. | 12-13-2012 |
20130130039 | DIALDIMINE, EMULSION CONTAINING DIALDIMINE, AND BICOMPONENT POLYURETHANE COMPOSITION, AND THE USE THEREOF - Dialdimines of formula (I) and emulsions and uses thereof. In particular, they can be used for the preparation of pasty curing agent or accelerator components for polymers having isocyanate groups, which lead to very high early strength, which have good flow behaviour on pumping and which can be formulated without VOC solvents, in particular without N-alkylpyrrolidones. These components can be homogeneously or inhomogeneously mixed in an outstanding manner, in particular in a laminar manner, with components which contain polyurethane polymers having isocyanate groups, the two-component compositions thus obtained curing rapidly, having extremely high early strength and remaining without annoying weaknesses. | 05-23-2013 |
20130237681 | AMINES HAVING SECONDARY ALIPHATIC AMINO GROUPS - The present invention relates to novel amides having secondary amino groups, a process for preparing them, adducts of these amines and their uses. The amides can be prepared in a simple way from readily available starting materials. They and their adducts have, in particular, a low viscosity and are suitable as constituent of polyurethane and polyurea compositions having excellent processability and high flexibility, and also as constituent of epoxy resin compositions, in particular coatings. | 09-12-2013 |
20130261270 | POLYAMINES HAVING SECONDARY ALIPHATIC AMINO GROUPS - The present invention relates to novel polyamines having secondary amino groups, a process for producing them, adducts of these polyamines and their uses. The polyamines can be prepared in a simple way from readily available reactants. They and their adducts have, in particular, a low viscosity and are suitable as constituent of polyurethane and polyurea compositions having excellent processability and high flexibility, and also constituent of epoxy resin compositions, especially coatings. | 10-03-2013 |
20130280526 | HEAT-CURING SEALING COMPOUND COMPOSITIONS HAVING FAST SKIN FORMATION AND GOOD STORAGE STABILITY - The invention relates to heat-curing sealing compound compositions comprising at least epoxy resin, a heat-activatable hardening agent or accelerators (B) for epoxy resins, isocyanate group-containing polyurethane polymer (PUP) and a special polyaldimine. Said single-component sealing compound compositions are characterized by a good skin formation time and extraordinarily good storage stability and low blistering. Due to these properties, said sealing compound compositions are optimally suitable for use as sealants in autobody work because they can be excellently coated with a KTL paint. | 10-24-2013 |
20130280536 | HEAT-CURING SEALANT COMPOSITIONS HAVING FAST SKIN FORMATION AND HIGH TENSILE STRENGTH - The present invention relates to heat-curing sealant compositions including at least epoxy resin, dicyanodiamide or an amine complex of a Lewis acid, polyurethane polymer (PUP) containing isocyanate groups and polyaldimine. These single component sealant compositions are characterized by a rapid skin formation and high tensile strength. Because of the short skin formation time, said compositions are optimally suitable for use as sealants in autobody work because they can be excellently layered on top of same. | 10-24-2013 |
20130281562 | SECONDARY AMINOSILANES - The present disclosure invention relates to novel secondary aminosilanes, a method for producing same, and the use thereof. The secondary aminosilanes can be produced from readily available reactants in a simple manner. The secondary aminosilanes are characterized for example by a low viscosity and are well suited for producing silane-functional polymers that have a low viscosity, fast curing, and good thermal stability. | 10-24-2013 |
20140107313 | LOW-EMISSION HARDENER FOR EPOXY RESINS - The present invention concerns a low-odor, low-viscosity hardener for epoxy resins comprising the amine of formula (I), | 04-17-2014 |
20140128507 | CURING AGENT FOR MOISTURE-CURING COMPOSITIONS - The present invention relates to a curing agent for moisture-curing compositions which includes at least one aqueous emulsion of at least one epoxy resin. Curing agents according to the invention are especially used for the accelerated curing of moisture-curing compositions which are based on polyurethane polymers that have isocyanate groups or of silane-functional polymers. | 05-08-2014 |
20140179829 | WATER BASED EPOXY RESIN PRIMER - The present invention relates to a adhesion promoter composition containing at least one aqueous dispersion of a solid epoxy resin; at least one polyamine; and at least one Compound V in free or hydrolytically releasable form which can enter into a condensation reaction with the polyamine. Adhesion promoter compositions according to the invention lead to an improvement in the adhesion under hot, humid conditions. | 06-26-2014 |
20140179830 | TWO-COMPONENT COMPOSITIONS BASED ON SILANE-FUNCTIONAL POLYMERS - The invention relates to a two-component composition, including a component A, which includes at least one silane-functional polymer and at least one hardener or accelerator for epoxy resins, and a component B, which includes at least one aqueous emulsion of at least one epoxy resin. Two-component compositions according to the invention are suitable as adhesives, sealants or coatings. | 06-26-2014 |
20140288247 | HARDENERS FOR EPOXY RESIN COATINGS - The invention relates to hardeners for epoxy resin containing secondary amino groups having dialkyl amino phenyl groups. The hardeners have a surprisingly low viscosity and harden surprisingly fast together with the epoxy resins, even in moist, cold conditions, and without blushing to form films with high hardness and stability. They are suitable, in particular, for low-emission coatings. | 09-25-2014 |
20140296427 | ZINC(II) COMPLEX COMPOUNDS AS CATALYSTS FOR POLYURETHANE COMPOSITIONS - The present invention relates to zinc(II) complex compounds of the formula Zn(L) | 10-02-2014 |
20140303321 | METAL COMPLEX COMPOUNDS AS CATALYSTS FOR POLYURETHANE COMPOSITIONS - The invention relates to metal complex compounds of the formula M | 10-09-2014 |
20140309334 | CURING AGENT FOR EPOXY RESIN COATINGS - The present invention relates to curing agents for epoxy resins including an alkylated polyethyleneimine. These curing agents have high functionality and a high content of secondary amino groups. Together with epoxy resins, they cure surprisingly quickly and without blushing effects even under humid and cold conditions to form films having very high cross-linking density. They are suited for coatings with high resistance requirements. | 10-16-2014 |
20140322531 | ASYMMETRIC DIALDIMINE-CONTAINING POLYURETHANE COMPOSITION - The invention relates to moisture-curing compositions which comprise at least one aromatic isocyanate group-bearing polyisocyanate and at least one dialdimine of formula (I). The compositions according to the invention have a longer open time and at the same time a shorter curing time, they are storage-stable and cure without forming bubbles. They are especially suitable as adhesives, sealing agents, potting compounds or coating materials, the use as sealing agents being especially advantageous. | 10-30-2014 |
20140329966 | DIOXOMOLYBDENUM (VI) COMPLEX COMPOUNDS AS CATALYSTS FOR POLYURETHANE COMPOSITIONS - The invention relates to dioxomolybdenum (VI) complex compounds of the formula MoO | 11-06-2014 |
20140343226 | BISMUTH-CONTAINING CATALYST FOR POLYURETHANE COMPOSITIONS - Invention relates to bismuth-containing catalysts, obtainable by reacting at least one bismuth(III) salt or bismuth(III) complex with at least one 1,3-ketoamide with the formula (I). Such complex compounds are suited in particular as catalysts for one- and two-component polyurethane compositions. The invention further relates to two-component polyurethane compositions, including at least one polyisocyanate as the first component, at least one polyol as the second component, and at least one such bismuth-containing catalyst. The invention further relates one-component polyurethane compositions, including at least one polyurethane prepolymer having isocyanate groups, produced from at least one polyisocyanate with at least one polyol, and one such bismuth-containing catalyst. The invention also relates to various uses of the aforementioned polyurethane compositions. | 11-20-2014 |
20140357793 | IRON(III) COMPLEXES AS CATALYSTS FOR POLYURETHANE COMPOSITIONS - The present invention relates to iron (III) complexes of the formula Fe(L)x(Y)3-x, where the ligand L has the formula (I). Such complexes are especially suitable as a catalyst for two-component polyurethane compositions. The invention also relates to two-component polyurethane compositions comprising at least one polyisocyanate as the first component, at least one polyol as the second component and at least one iron (III) complex of this kind as a catalyst. In addition, the invention relates to various uses of these two-component polyurethane compositions. | 12-04-2014 |