Class / Patent application number | Description | Number of patent applications / Date published |
521157000 | With a C-C(=X)-XH or C-C(=X)-X-C(=X)-C- reactant wherein X is a chalcogen atom, e.g., carboxylic acid or anhydride, etc. | 31 |
20080293841 | Polyester Polyol-Containing Polyurethane Systems Having Improved Hydrolytic Stability - An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition. | 11-27-2008 |
20080306176 | NCO Prepolymers Having A Low Content Of Free Monomeric Diisocyanate, And The Production Thereof - The present invention relates to NCO prepolymers having a low content of free monomeric diisocyanate, to a process for the production of these NCO) prepolymers, to polyurethanes prepared from these NCO prepolymers and to processes for the production of these polyurethanes. | 12-11-2008 |
20090062413 | COMPOSITION OF FILLERS WITH PLASTICS FOR PRODUCING SUPERIOR BUILDING MATERIALS - The use of high aspect fillers in the production of simulated stone, masonry and brick textured products such as cladding, siding, panels, or other building and construction materials. High aspect fillers increase the dimensional stability, rigidity, thermal and sound insulation. The high aspect fillers may be included into a matrix polymer with or without chemical bonding. The disclosed invention is not limited to products in the building or construction industries and may be applied in the manufacture of a wide variety of products in other industries. | 03-05-2009 |
20090143495 | Composition for Polyurethane Foam, Polyurethane Foam Obtained From the Composition, and Use Thereof - The polyurethane foam composition of the present invention comprises a polyol, a catalyst, a surfactant, a foaming agent and a polyisocyanate, wherein the polyol contains, at least, (A) a polyol that is produced by using a raw material obtained from plant-derived oil, contains more than three side chains per molecule, each side chain comprising a hydrocarbon chain having 4 or more carbon atoms, and has an average number of functional groups of 1.5 to 4.5 and a hydroxyl value of 80 to 140 mgKOH/g. The polyurethane foam of the present invention is produced by foaming the above polyurethane foam composition. The polyurethane foam contributes to reducing environmental burdens, and has excellent low rebound property, particularly a characteristic that the increase in hardness at low temperatures is suppressed. | 06-04-2009 |
20090170974 | REACTIVE DILUENT FOR ONE OR TWO COMPONENT PU FOAMS - The invention is directed to a polymer foam precursor composition comprising 1 to 60%, preferably 5 to 30% by weight, of a biodiesel obtained by transesterification of vegetable oils. The polymer foam is advantageously a polyurethane foam and the biodiesel is a mixture of methyl and or ethyl fatty acid esters. The biodiesel is a latent hardener and/or extender and/or liquid filler The composition is advantageously used in pressurized vessel or aerosol type cans. | 07-02-2009 |
20090197984 | Polymer polyols and polymer dispersions made from vegetable oil-based hydroxyl-containing materials - Polymer polyols and dispersions are prepared by polymerizing certain starting materials in a continuous phase. The continuous phase includes a polyol containing hydroxylmethyl groups, which is derived from a fatty acid. The dispersed phase may be, for example, a vinyl polymer, a polyurea or a polyurethane-urea. | 08-06-2009 |
20090215917 | ANTIMICROBIAL POLYURETHANE FOAMS - This invention relates to antimicrobial polyurethane foams and to a method of making antimicrobial polyurethane foams. The invention also relates to the use of such foams in the production of medical devices and pharmaceutical compositions. | 08-27-2009 |
20090264548 | Polyurethanes made from hydroxy-methyl containing fatty acids or alkyl esters of such fatty acids - Polyurethane polymers are made from a reaction mixture that contains a polyisocyanate, a hydroxylmethyl-containing fatty acid or ester, and another polyol, polyamine or aminoalcohol. The carboxylic acid or ester group on the hydroxymethyl-containing fatty acid or ester are capable of engaging in a variety of reactions with the polyisocyanate and/or amine or hydroxyl groups present in the reaction mixture. This allows for good quality, high molecular weight polymers to be produced even though the hydroxymethyl-containing fatty acid or ester tends to be a low functionality material. | 10-22-2009 |
20090312450 | POLYURETHANES MADE FROM HYDROXYL-CONTAINING FATTY ACID AMIDES - Polyurethanes, and rigid polyurethane foams in particular, are made using certain amides of modified fatty acids. The fatty acid groups are substituted hydroxymethyl, N-hydroxyalkyl aminoalkyl or hydroxy-substituted ester groups. The amide portion of the molecule contains hydroxyalkyl or other hydroxyl-substituted organic groups bonded to the amide nitrogen. | 12-17-2009 |
20100204356 | POLYURETHANES, POLYUREAS, AND PROCESS FOR THEIR PRODUCTION - A high-elasticity biodegradable polymer comprising PDC, which has excellent solubility in solvents and reactants, in their repeating unit structures is provided in an inexpensive manner. | 08-12-2010 |
20100240785 | Aromatic Polyester Polyols and Aromatic Polyester Polyol Blends Containing Biorenewable Components and Methods of Making - There are provided aromatic polyester polyol compositions comprising: (i) at least one aromatic acid component; (ii) at least one hydroxylated component; (iii) at least one functionalized natural oil component; and (iv) optionally at least one catalyst component for use in preparing foams. The aromatic polyester polyol compositions can be formed by esterification and/or transesterification. The present technology also provides a polyol blend for use in preparing foams wherein the polyol blend comprises (a) an aromatic polyester polyol formed by an interesterification reaction between (i) a phthalic acid based material; (ii) a hydroxylated material; and (iii) a hydrophobic material, wherein the hydrophobic material is present in an amount of from about 1% to about 50% by weight of the aromatic polyester polyol; and (b) a natural oil based polyol, wherein the hydrophobic material in the aromatic polyester polyol compatibilizes the natural oil based polyol to form a phase stable polyol blend. | 09-23-2010 |
20110015290 | USE OF METAL SALTS OF A CARBOXYLIC ACID IN THE PRODUCTION OF POLYURETHANE SYSTEMS - A catalyst system which is suitable for catalyzing the production of polyurethane systems is provided. The catalyst system contains a metal salt of a carboxylic acid to whose carbonyl carbon a hydrogen atom or a hydrocarbon radical is bound, with the proviso that the carboxylic acid does not have exclusively a single ethyl or n-propyl branch in the 2 position. | 01-20-2011 |
20110028581 | AROMATIC POLYESTERPOLYOLS, ISOCYANURATE-MODIFIED POLYURETHANE FOAMS, AND METHODS OF MAKING THEM - Embodiments of this disclosure include, among others, polyol mixtures, methods of making a polyol mixture, methods of making a rigid isocyanurate-modified polyurethane foam, rigid isocyanurate-modified polyurethane foams, aromatic polyesterpolyols, and the like. | 02-03-2011 |
20110124760 | FIRE-RESISTANT POLYURETHANE FOAM AND FABRICATION METHOD THEREOF - A fire-resistant polyurethane foam is provided. A hydroxyl-containing inorganic fire retardant is premixed with a polyisocyanate and a polyol, respectively, to form two premixtures. Then, the two premixtures are mixed for reaction to form a fire-resistant polyurethane foam. Preferably, a combination of different particle sizes of the fire retardant is employed to maximize the amount of the fire retardant and increase the fire resistance of the foam. | 05-26-2011 |
20110218264 | MODIFIED NATURAL OILS AND PRODUCTS MADE THEREFROM - A modified natural oil made from reacting at least one natural oil or fat comprising at least one ene moiety with at least one of an enophile or dienophile mixture to form at least one modified natural oil, and reacting the at least one modified natural oil which may be used in a variety of processes. | 09-08-2011 |
20110237697 | PROCESS FOR THE PRODUCTION OF POLYESTER POLYOLS WITH LOW VOLUMES OF DIOXANE WASTE - The invention relates to the production and use of polyester polyols, formed from at least one carboxylic acid hydride and ethylene glycol, wherein a specialized reaction control stustantially suppresses the formation of | 09-29-2011 |
20120010314 | SELF-CLEANING COATINGS - The present invention provides two methods for synthesizing novel titania-polyurethane (nTiO | 01-12-2012 |
20120029104 | COMPOSITION COMPRISING STABLE POLYOL MIXTURES - Single-phase fluid compositions, comprising at least two isocyanate-reactive polyol components which are inherently incompatible with each other and as a mediator additive at least one copolymer compatibilizer additive effectuating compatibility between the originally incompatible polyol components, said copolymer comprising structural units having at least one nitrogen group which can be protonized. | 02-02-2012 |
20120101181 | NATURAL OIL BASED POLYMER POLYOLS AND POLYURETHANE PRODUCTS MADE THEREFROM - A polymer polyol composition having dispersed polymer particles in a continuous phase which includes at least one polyether natural oil based polyol comprising at least two natural oil moieties separated by at least one of a molecular structure having an average of at least about 19 ether groups between any 2 of the natural oil moieties and a polyether molecular structure having an equivalent weight of at least about 400. The polymer polyol composition may be used in forming polyurethane foams. | 04-26-2012 |
20120277338 | METHOD OF IMPROVING MECHANICAL STRENGTH OF FLEXIBLE POLYURETHANE FOAMS MADE FROM BIO-BASED POLYOLS, THE POLYOL COMPOSITIONS UTILIZED THEREIN AND THE FOAMS PRODUCED THEREBY - A method of improving the mechanical strength of polyurethane foams made from bio-based polyols, the polyol-containing compositions utilized in the method of the invention, and the polyurethane foams produced by the method of the invention are provided. The method of the invention involves the incorporation of aromatic polyester polyol in the polyol-containing composition used to manufacture the foams. In one embodiment, the aromatic polyester polyol is utilized in a polyol-containing composition which is employed in the manufacture of flexible polyurethane foam. In another embodiment, the aromatic polyester polyol transesterified with a natural oil-containing composition to form a transesterification reaction product that is utilized in a polyol-containing composition which is employed in the manufacture of flexible polyurethane foam. Flexible polyurethane foams of the invention exhibit substantial improvements in mechanical strength properties, such as tear strength, tensile strength and elongation relative to foams made from bio-based polyols such as soybean oil-based polyols. | 11-01-2012 |
20120295998 | ENCAPSULATED FLEXIBLE POLYURETHANE FOAM AND METHOD FOR MAKING POLYOL TO FORM FOAM - A cellular material. The cellular material can be the reaction product of a vegetable-based polyol made from a vegetable oil exposed to ultraviolet (UV) light, wherein a free radical oxidation reaction is catalyzed by the UV light and the vegetable oil is converted into the vegetable-based polyol; and an isocyanate. | 11-22-2012 |
20120322907 | POLYURETHANE FOAMS CONTAINING BRANCHED POLY(TRIMETHYLENE ETHER) POLYOLS - Disclosed is branched poly(trimethylene ether) polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl) ethane and 1,1,1-tris(hydroxymethyl) propane. Also disclosed is a branched poly(trimethylene ether) polyol with an equivalent hydroxyl functionality of about 2.1 to about 3.2 and a M | 12-20-2012 |
20130137791 | POLYISOCYANURATE COMPOSITION - Polyisocyanurate foam composition, articles comprising the composition and a method of making the composition are described. The polyisocyanurate foam composition comprises the reaction product of a polyisocyanate compound; and a first polyester polyol comprising the residue of orthophthalic acid; a second polyester polyol comprising the residue of terephthalic acid; at least one polyether polyol having a functionality of at least 3 and a hydroxyl number greater than 200; and a physical blowing agent, wherein the isocyanate index is greater than 250. | 05-30-2013 |
20130165543 | CONCRETE SUBSTITUTE - A concrete substitute material ( | 06-27-2013 |
20130190418 | POLYETHERESTER POLYOLS AND PREPARATION THEREOF - The present invention relates to novel polyetherester polyols and to a process for preparation thereof. | 07-25-2013 |
20130261203 | METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS - The present invention relates to a method for producing flexible polyurethane foams, wherein an isocyanate component (component B) which comprises fatty acid derivatives comprising hydroxyl groups is used as starting substance. The flexible polyurethane foams according to the invention have a bulk density according to DIN EN ISO 3386-1-98 in the range of ≧10 kg/m | 10-03-2013 |
20130289151 | AROMATIC POLYESTERS, POLYOL BLENDS COMPRISING THE SAME AND RESULTANT PRODUCTS THEREFROM - The present invention discloses low viscosity aromatic polyester polyols suitable for blending with other polyols or other materials mutually compatible with the polyester polyols to achieve polyurethane and polyisocyanurate products. In particular the present invention discloses polyester polyols comprising the reaction of: A) an aromatic component comprising at 80 mole percent or greater of terephthalic acid; B) polyethylene glycol having a molecular weight from 150 to 1000; and C) a glycol different from the glycol of B); wherein A, B, and C are present in the reaction on a percent weight bases of 20 to 60 weight percent A); 40 to 75 weight percent of B); and 0 to 40 weight percent of C). | 10-31-2013 |
20130296450 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS HAVING PRIMARY HYDROXYL END GROUPS AND POLYURETHANE POLYMERS PRODUCED THEREFROM - The present invention relates to a process for the preparation of polyether carbonate polyols with primary hydroxyl end groups, comprising the steps of reaction of a starter compound containing active hydrogen atoms with an epoxide and carbon dioxide under double metal cyanide catalysis, reaction of the product obtained with a cyclic carboxylic acid anhydride and reaction of this product obtained with ethylene oxide in the presence of a catalyst which contains at least one nitrogen atom per molecule, excluding non-cyclic tertiary amines with identical substituents. The invention furthermore relates to polyether carbonate polyols obtainable by this process, compositions comprising these polyether carbonate polyols and polyurethane polymers based on these polyether carbonate polyols. | 11-07-2013 |
20130345330 | METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS - A process for the preparation of polyricinoleic acid esters comprising the step of reaction of ricinoleic acid with an alcohol component which comprises mono- and/or polyfunctional alcohols having a molecular weight of ≧32 g/mol to ≦40 g/mol, wherein the reaction is carried out at least partly in the presence of a catalyst. The amount of catalyst, based on the total weight of the ricinoleic acid and the alcohol component, is in a range of from ≧10 ppm to ≦100 ppm. The reaction is ended when the acid number of the reaction product obtained is ≧5 mg of KOH/g to ≦100 mg of KOH/g. The invention furthermore relates to a polyurethane polymer, in particular a flexible polyurethane foam, which is obtainable using these polyricinoleic acid esters. | 12-26-2013 |
20140309322 | PROCESSES FOR OBTAINING A POLYOL FROM PALM OIL, POLYOLS OBTAINED FROM SAID PROCESSES, PRODUCTS DERIVED FROM SAID POLYOL AND METHOD FOR PREPARING SAME - The present invention relates to the process for production of a polyol from palm oil and of rigid polyurethane foams prepared from said polyol derived from palm oil. On the one hand, this invention provides a method for obtaining monomeric polyols from palm oil that have hydroxyl number between 50 450 mgKOH/g sample. The polyols of the present application may be obtained by means of a procedure based on the following four mother routes: Route 1: maleinisation of the fatty acids of palm oil; Route 2: glycerolysis of palm oil; Route 3: trancesterification of palm oil; and Route 4: epoxidation of unsaturated carbon-carbon links of palm oil. Additionally, other modalities of the invention permit obtaining polyols from the combination of these mother routes. In other realizations of the invention polyurethanes are prepared from polyols obtained through any of the four routes or by combinations of the same. In a mode of the invention the polyurethanes are produced through the reaction of a mixture of a polyol obtained through the present invention, a commercial polyol, a surfactant, a catalyst and an isocyanate. The polyurethanes may be foams of rigid high density polyurethane. | 10-16-2014 |
20150119484 | PARTICLES AND METHOD FOR PRODUCING PARTICLES - A method for producing particles, which contains: bringing a compressive fluid and a pressure plastic material into contact with each other to melt the pressure plastic material; and jetting a melt obtained by melting the pressure plastic material to form particles, wherein the jetting the melt is performed by a two-fluid nozzle or three-fluid nozzle. | 04-30-2015 |