At least one reactant which forms additional polymer contains a heterocyclic ring
525000000 - SYNTHETIC RESINS (CLASS 520, SUBCLASS 1)
525050000 - MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS
Patent class list (only not empty are listed)
|Class / Patent application number
|Number of patent applications / Date published
|At least one reactant which forms additional polymer contains a heterocyclic ring
|SHAPE MEMORY POLYMER WITH POLYESTER AND POLYACRYLATE SEGMENTS AND PROCESS FOR ITS PRODUCTION AND PROGRAMMING - The invention relates to a shape memory polymer, to a process for its production and to a process for its programming. The inventive shape memory polymer has at least two switching segments with different transition temperatures (T
|BLENDS OF SHAPE MEMORY POLYMERS WITH THERMOPLASTIC POLYMERS - The present invention concerns blends comprising at least one shape memory polymer and at least one thermoplastic polymer, wherein this thermoplastic polymer does not show shape memory properties. The present invention furthermore concerns methods for preparing such blends and the use of these blends in various applications, including additional products, household equipment etc.
|Transparent resin composition - The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based resin comprising one or more (meth)acrylate based derivatives; and (b) an aromatic based resin having a chain having the hydroxy group containing portion and an aromatic moiety.
|Aromatic Sulfone Polymer Composition Comprising Tetrafluoroethylene Polymer Particles - The invention relates to an aromatic sulfone polymer composition comprising
|Coating Composition and Cured Film Formed Therefrom - A coating composition comprises a first copolymer and a second copolymer. The first copolymer has at least one linear polymer strand having a weight average molecular weight of at least 1,500 Daltons and functionality X with an equivalent weight of no more than 500. The second copolymer has at least one linear polymer strand having a weight average molecular weight of at least 1,500 Daltons and functionality X′ with an equivalent weight of no more than 1,500. The coating composition is free of gloss flattening agents, yet still produces a cured film having a low gloss of less than 70 gloss units at an angle of incidence of 60°, as measured according to ASTM D 2457.
|IMPACT MODIFIED POLYCARBONATE-POLYLACTIC ACID COMPOSITION - The present invention relates to a thermoplastic molding composition containing an aromatic polycarbonate, a polylactic acid and an impact modifying amount of a non-functionalized ethylene/(meth)acrylate copolymer. The inventive composition is characterized by its higher impact resistance, flexural and tensile properties than those of corresponding compositions where the copolymer is functionalized.
|POLYAMIDE RESIN COMPOSITION HAVING SUPERIOR EXTENSIBILITY AND FLEXING FATIGUE AND PNEUMATIC TIRE AND HOSE USING THE SAME - A polyamide resin composition, having an excellent extensibility and flexing fatigue, composed of a polyamide resin (A), as a matrix, and a modifying polymer (C), dispersed therein, having a functional group (B) reactive with the polyamide resin (A), wherein a tensile stress at break of the modifying polymer (C) is 30 to 70% of the tensile stress at break of the polyamide resin (A), and a tensile elongation at break of the modifying polymer (C) is 100 to 500% of the tensile elongation at break of the polyamide resin (A) as well as a pneumatic tire and hose using the same.
|Well-defined donor-acceptor rod-coil diblock copolymer based on P3HT containing C60 - A method for the synthesis of well-defined rod-coil block copolymers consisting of P3HT donor and C
|POLYCARBONATE RESIN COMPOSITION - A resin composition comprising a polycarbonate resin derived from an ether diol residue such as isosorbide and has excellent impact resistance, heat resistance, heat stability and moldability.
|PROCESS FOR THE MANUFACTURE OF POLYBUTYLENE TEREPHTHALATE COPOLYMERS FROM POLYETHYLENE TEREPHTHALATE, AND COMPOSITIONS AND ARTICLES THEREOF - A process comprises depolymerizing, with 1,4-butane diol, a first polymer comprising a polyethylene terephthalate component in the presence of at least one second polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof to produce a molten mixture; and polymerizing the molten mixture under conditions sufficient to form a modified polybutylene terephthalate copolymer. The modified PBT comprises (a) at least one polyethylene terephthalate component residue, and (b) a member selected from the group consisting of (i) the at least one second polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof; (ii) the at least one residue derived from the second polymer; and (iii) combinations thereof.
|POLYCARBONATE RESIN COMPOSITION - A polycarbonate resin composition, which comprises a plant-derived component, has improved properties such as improved moldability, biodegradability, water-absorbing property, impact resistance, melt flow characteristics, density, transparency and the like, exhibits less environmental load and is excellent in recycling efficiency is disclosed. The polycarbonate resin composition of the present invention comprises 30 to 95 parts by weight of component A (a polycarbonate comprising a plant-derived component) and 5 to 70 parts by weight of component B (an acrylate resin, a biodegradable resin, an aromatic polyester, a polyolefin or a rubber-modified styrene resin) (provided that the total of the component A and the component B is 100 parts by weight).
|Redox-Induced Cationically Polymerizable Compositions With Low Cure Temperature - A cationically polymerizable composition comprising (i) a cationically polymerizable resin, (ii) an onium salt, (iii) an azo or peroxide initiator, exhibits a lower cure temperature upon the addition of (iv) a catalytic or substoichiometric amount of an electron-rich vinyl resin to the reaction.
|THERMOPLASTIC ELASTOMER COMPOSITION - An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is filled and dispersed in a polyamide resin matrix in order to improve the low-temperature durability of the polyamide resin, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition (E) comprising a modified polyamide resin (C) and a modified rubber (D) dispersed in the modified polyamide resin (C), the modified polyamide resin (C) being a resin obtained by melt-blending an polyamide resin (A) and a compound (B) capable of reacting with a terminal amino group of a polyamide resin, wherein the modified rubber (D) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (F) having at least one disulfide bond and at least two amino groups. This thermoplastic elastomer composition can be suitably used in the production of an inner liner of a pneumatic tire.
|POLYMERIZATION OF FLUOROPOLYMERS USING POLYCAPROLACTONE - The present invention relates to a method for the polymerization of fluoromonomers using non-fluorinated polycaprolactone, and to the fluoropolymers formed thereby. Specifically, the method of the polymerization uses one or more polycaprolactone, or salts thereof.
|Composition containing a halogenated vinyl polymer and a copolymer bearing associative groups - The present invention relates to a composition comprising: (a) at least one halogenated vinyl polymer and (b) at least one copolymer containing (i) units derived from a first monomer (A) rendering said copolymer compatible with said halogenated vinyl polymer and (ii) units derived from a second monomer (B) bearing at least one given associative group. The present invention also relates to the use of such a copolymer bearing associative groups, for improving certain properties of a halogenated vinyl polymer. The invention finally relates to the uses of the aforementioned composition.
|POLY(HYDROXYALKANOIC ACID) PLASTICIZED WITH POLY(TRIMETHYLENE ETHER) GLYCOL - Toughened, plasticized poly(hydroxyalkanoic acid) polymer compositions comprising poly(trimethylene ether) glycol and ethylene ester copolymers are provided.
|CARBON NANOTUBE OR GRAPHENE-BASED AEROGELS - An aerogel includes a plurality of supramolecular structures bound to one another. Each supramolecular structure includes a carbon nanotube (CNT) or graphene type structure having an outer surface, and a plurality of polymers or aromatic molecules secured to the outer surface of the CNT or graphene type structure. The plurality of polymers or aromatic molecules have at least one crosslinkable structure. The supramolecular structures are crosslinked together by chemical bonding between the crosslinkable structures. The polymers can be block copolymers including at least one conjugated polymer block and at least one block of a crosslinkable non-conjugated polymer that provides the cross linkable structure, where the conjugated polymer block is non-covalently bonded to the outer surface of the CNT or graphene type structure.
|POLYMERIC BLENDS FOR SLIT FILM APPLICATIONS AND METHODS OF MAKING THE SAME - Films and processes of forming the same are described herein. The processes generally include providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid in the presence of a modifier to form a polymeric blend, wherein the modifier is selected from epoxy-functionalized polyolefins, maleic anhydride modified polyolefins, ethylene-methacrylate copolymers, styrene-ethylene-butadiene-styrene (SIBS) polymers, and combinations thereof; forming the polymeric blend into a film; and monoaxially orienting the film.
|THERMOPLASTIC COMPOSITION, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM - A thermoplastic composition comprising the melt blending product of one or more thermoplastic polymers; and from 2 to 20 PHR, of one or more gloss reducing additives wherein each gloss reducing additive comprises a (meth)acrylate copolymer having a glass transition temperature of greater than or equal to 40° C. and 0.001 to 0.04 PHM derived from one or more crosslinking monomers and/or graft-linking agents having two or more ethylenically unsaturated radicals capable of free-radical polymerization, wherein a test specimen produced from the thermoplastic composition has roughness according to DIN 4768 of Ra greater than or equal to 0.6 microns, Rz greater than or equal to 6 microns, Rmax greater than or equal to 7 microns, and a gloss less than 65, 75 degree angle, is provided. Methods for producing the thermoplastic compositions, methods for producing articles from the thermoplastic compositions and such articles are also provided.
|POLYMER BLEND COMPOSITIONS - Provided are filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. Also provided are blends of polyimide precursor, polyacrylonitrile, and cellulosic polymer which can be used to obtain the filled polyimides.
|POLYOLEFIN-BASED RESIN COMPOSITION AND MOLDED ARTICLE - Provided is a polyolefin-based resin composition comprising from 30 to 90% by mass of a polyolefin resin (A), from 1 to 50% by mass of an aliphatic polyester-based resin (B) , from 1 to 40% by mass of an ethylene-octene rubber (C) having a melt flow rates being higher than 3 g/10 minutes and not higher than 40 g/10 minutes, and from 0.01 to 20% by mass of an epoxy group-containing ethylene-based polymers (D) ; molded articles obtainable by molding the composition is superior in tensile elongation and impact resistance.
|POLYOLEFIN POLYLACTIC ACID IN-SITU BLENDS - Polymeric compositions and methods of forming the same are described herein. The methods generally include contacting a polyolefin and a lactide in the presence of a catalyst within an extruder under conditions sufficient to polymerize the lactide and form a polymeric composition including polyolefin and polylactic acid.
|COMPOSITION INCLUDING A MIXTURE OF ELASTOMER AND SUPRAMOLECULAR POLYMER - The invention relates to a composition including at least one elastomer and at least one supramolecular polymer. The supramolecular polymer is obtained by the reaction of at least one trifunctional compound (A), having first and second functions, with: at least one compound (B) having at least one reactive group capable of reacting with the first functions of (A) and at least one associative group; and at least one at least bifunctional compound (C) having functions capable of reacting with the second functions of compound (A) in order to form ester, thioester and amide bridges.
|Polytriazinyl Compounds as Flame Retardants and Light Stabilizers - Disclosed are self-extinguishing halogen-free polymer compositions comprising oligomers of a 1,3,5-triazine derivative, and processes for their production and for their use as additives to thermoplastic polymers in order to impart a self-extinguishing benefit thereto. The processes for the production of the disclosed oligomers of a 1,3,5-triazine derivative are solvent free processes which result in a halogen free polymer composition which includes the oligomers of the disclosed 1,3,5-triazine derivatives.
|FUNCTIONAL MATERIALS WITH CONTROLLABLE VISCOSITY - The present invention relates to an innovative method for controlling the viscosity of, for example, adhesives or coating formulations. The method for controlling viscosity allows very rapid thermoplastic curing of a formulation even at room temperature and a significant reduction in the viscosity at higher temperatures, thereby regaining the capacity for simple processing and allowing, for example, the originally bonded substrates to be separated from one another again with ease. A particular aspect in this context is that a plurality of cycles of thermoplastic curing and a significant reduction in the viscosity are possible with the present system.
|TRIAZINE COMPOUNDS CONTAINING PHOSPHOROUS AS FLAME RETARDANTS - The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants.
|BIOABSORBABLE BLEND FOR TEMPORARY SCAFFOLDING OF THE BLOOD VESSEL WALL - A bioabsorbable blend comprising poly(L-lactide) (PLLA) and a phosphorylcholine group-containing copolymer (PPCP) capable of enduring the mechanical strength of blood vessel walls and applicable for fabricating cardiovascular devices was developed. The blend acts as a scaffold to support blood vessel walls during vascular healing and undergoes biodegradation in vivo after vascular healing is complete. Furthermore, the blend can prevent the formation and adsorption of thrombi.
|PROCESS FOR PREPARING A COPOLYMER - A process for preparing a copolymer comprising subjecting a first cyclic ester having a ring size from 4 to 11 atoms and a second cyclic ester having a ring size from 12 to 40 atoms to ring-opening copolymerization using as catalyst a compound of formula I, wherein M is trivalent Al, Ti, V, Cr, Mn, Co, yttrium, Sc or lanthanides; X and X′ are both a heteroatom; Y and Y′ are O, N, S or P; Z is a substituent as described herein; L1 is an organic moiety linking X and Y; L2 is an organic moiety linking X′ and Y′; L3 is an organic moiety linking Y and Y′ and has a chain length between Y and Y′ of at least 2 atoms. The copolymer has a randomness of at least 0.5 and a number average molecular weight of at least 15000 g/mol.
|Resin Composition and Moulded Article Using Same - A resin composition includes (A) a thermoplastic resin, (B) a first metal layer-resin composite particle including a first metal layer and first thermosetting resin coating layers positioned on the first metal layer and (C) a second metal layer-resin composite particle including a second metal layer and second thermosetting resin coating layers positioned on the second metal layer, and a molded article using the same.
|Biodegradable Shape-Memory Material and Method
|CNT-POLYMER COMPLEX CAPABLE OF SELF-DOPING BY EXTERNAL STIMULI AND PROCESS FOR PREPARING THE SAME - Provided are a CNT-polymer complex and a process for preparing the same. The CNT-polymer complex includes carbon nanotubes (CNT) coated with a block copolymer of a conjugated polymer and a non-conjugated polymer, wherein the non-conjugated polymer comprises at least one monomer selected from the group consisting of styrene, butadiene, isoprene, methacryl, acryl, acryl amide, methacryl amide, acrylonitrile, vinyl acetate, vinyl pyridine and vinyl pyrrolidone in which at least one selected from the group consisting of a sulfone group, carboxyl group, acryl group and phosphate group is protected with a protective group, and provides at least one dopant selected from the group consisting of a sulfone group, carboxyl group, acryl group and phosphate group by external stimuli so that self-doping is allowed; and the complex is soluble to an organic solvent in a neutral state but is insoluble to any solvent after subjecting it to external stimuli.
|POLYMER COMPOSITION - The invention is directed to a polymer composition comprising a polyolefin and a polyester containing first repeating units of general structure (I) wherein R
|Heterocyclic ring is an 1,2-epoxy ring
|Copolymers made of alkylene oxides and glycidyl ethers and use thereof as polymerizable emulsifiers - Disclosed are copolymers made of alkylene oxides and glycidyl ethers according to formula (I)
|CURABLE COMPOSITION AND COMPATIBILIZING AGENT - It is an object of the present invention to provide a curable which has good storage stability and can give cured products retaining the high elongation characteristic originating from the polyether polymer and showing a high gel fraction and good weatherability.
|ATTACH PASTE COMPOSITION FOR SEMICONDUCTOR PACKAGE - The present invention relates to an attach paste composition for a semiconductor package. The attach paste composition for a semiconductor package includes a mixed resin, or a blend of an elastic resin and an epoxy resin as a basic resin. At this time, preferably the basic resin includes 50 to 95 weight % of the elastic resin and 5 to 50 weight % of the epoxy resin. The present invention enables a conventional semiconductor packaging method using a die adhesive to eliminate a pre-drying process performed after application of a die adhesive through screen printing and a thermal hardening process performed after an encapsulation process, maintains the properties of the die adhesive, ensures reliability of semiconductor products, and realizes a simple process.
|AQUEOUS RESIN COMPOSITION, WEATHER RESISTANCE IMPROVER FOR AQUEOUS COATING MATERIAL USING SAME, WEATHER RESISTANCE IMPROVER FOR THERMOPLASTIC RESIN, AND WEATHER RESISTANCE IMPROVER FOR SOLVENT BORNE COATING MATERIAL - Disclosed is a water-based resin composition containing a copolymer (A) which is obtained by carrying out emulsion polymerization of an unsaturated monomer composed of 0.5 to 50 parts by mass of a specific ethylenically unsaturated monomer (a) having a piperidyl group in a molecule and 50 to 99.5 parts by mass of an ethylenically unsaturated monomer (b), which does not substantially contain an ethylenically unsaturated monomer having a specific functional group in a molecule, with the total of the ethylenically unsaturated monomers (a) and (b) being 100 parts by mass, under the coexistence of 0.1 to 10 parts by mass of an emulsifier. Also disclosed are a weather resistance improver for water-based paints using the foregoing water-based resin composition, a weather resistance improver for thermoplastic resins, and a weather resistance improver for solvent-based paints.
|MULTILAYERED FILM MADE OF (METH)ACRYLATE COPOLYMER AND POLYCARBONATE - The invention relates to a multilayer film encompassing at least one upper layer a) and one middle layer b) composed of (meth)acrylate copolymers, and also a backing layer c) composed of polycarbonate, where the upper layer a) comprises a light stabilizer and is composed of a (meth)acrylate copolymer which can form semicompatible mixtures with the polycarbonate of the backing layer c), where a test specimen produced from a mixture composed of 20% by weight of (meth)acrylate copolymer and 80% by weight of polycarbonate has a tensile strain at break of at least 75% (ISO 527-2) at 23° C., the middle layer b) comprises a dye and, where appropriate, a light stabilizer, and is composed of an identical or different (meth)acrylate copolymer which can form semicompatible mixtures with the polycarbonate of the backing layer c), where a test specimen produced from a mixture composed of 20% by weight of (meth)acrylate copolymer and 80% by weight of polycarbonate has a tensile strain at break of at least 75% (ISO 527-2) at 23° C., and the backing layer c) is composed of polycarbonate which can, where appropriate, comprise up to 30% by weight of the material of the layers a) and b). The invention also relates to the production and uses of the multilayer film, and also to semicompatible polymer mixtures composed of (meth)acrylate copolymers and polycarbonate.
|ENVIRONMENTALLY-FRIENDLY WET PROCESS TYPE HARD FIBERBOARD - A wet process type hard fiberboard is provided that is environmentally-friendly by finding a reinforcing agent that does not result in environmental contamination as the agent takes the place of phenol resin having a significant effect on environmental contamination. This environmentally-friendly wet process type hard fiberboard uses acrylic resin and epoxy resin not containing bisphenol A as reinforcing agents in place of conventional phenol resin. Both reinforcing agents are thermosetting resins, hardly reacting at all at temperatures of 100° C. or lower, and reacting rapidly at temperatures above 140° C. which results in curing, while in terms of environmental protection, these reinforcing agents are optimally suited for use in wet process type hard fiber boards in which water is used by recycling numerous times, with any of the water used being hardly discharged to the outside.
|UNSATURATED ESTER RESIN COMPOSITION, UNSATURATED ESTER-CURED PRODUCT, AND MANUFACTURING METHOD THEREFOR - An object of the present invention is to provide a curable resin composition capable of giving a cured product which is excellent in mechanical properties (such as elastic modulus) and toughness. The curable resin composition contains 60 to 99 parts by mass of an unsaturated ester resin, 0.5 to 20 parts by mass of an epoxy resin, and 0.1 to 20 parts by mass of crosslinked rubber particles having a number average particle diameter of 20 nm to 600 nm. The crosslinked rubber particles are obtained by polymerizing a vinyl monomer in the presence of one or more rubber polymers selected from the group consisting of a butadiene rubber, a butadiene-styrene rubber, a butadiene-butyl acrylate rubber, a butyl acrylate rubber and an organosiloxane rubber.
|Microcomposite with Improved Acoustic Impedance - An epoxy and rubber microcomposite is formed by adding a carboxy-terminated or amine-terminated rubber component having a glass transition temperature less than zero degrees centigrade to a bisphenol A based epoxy resin component; heating the mixture to 150 degrees centigrade; cooling and curing with a suitable curing agent. A phase segregation occurs between the epoxy resin component and the rubber component to form discrete, spherical rubbery domains with the epoxy compound. Because the glass transition temperature of the rubbery domains is below zero degrees centigrade; the rubbery domains act as acoustic windows within the high-modulus epoxy compound.
|CROSSLINKABLE BIOPLASTICIZERS - A crosslinkable bioplasticizer is disclosed, a mixture of an epoxy-functional bio-derived plasticizer and an aromatic dianhydride. When heated, the mixture crosslinks, which can be accelerated by the addition of a Lewis Acid metal catalyst. The crosslinked bioplasticizer can be melt compounded into a thermoplastic resin or can be formed in situ in the thermoplastic resin. The crosslinking of the bioplasticizer can reduce blooming of the bioplasticizer to the surface of a plastic article made by extrusion, molding, calendering, or thermoforming techniques.
|Polymer Powder, Curable Resin Composition and Cured Material Thereof - A polymer powder (P) selected from a group consisting of (i) a polymer powder (P1) and (ii) a polymer powder (P2) is provided. The (i) polymer powder (P1) includes a (meth)acrylate-based polymer (A1) having a glass transition temperature of 0° C. or less, and the polymer powder has an acetone-soluble component of 5 mass % or more. The acetone-soluble component has a mass average molecular weight of 100,000 or more. The (ii) polymer powder (P2) has an acetone-soluble component of 2 mass % to 35 mass %, the acetone-soluble component has a mass average molecular weight of 100,000 or more, and has a volume average primary particle size (Dv) of 200 nm or more.
|GYPSUM DISPERSANT - There is provided a gypsum dispersant and a gypsum additive that improve the fluidity of gypsum slurry even if gypsum raw materials used are different in quality and that do not induce delay of curing of gypsum slurry. A gypsum dispersant, including: (A) a polycarboxylic acid polymer; and (B) a polymer obtained by a reaction of an alkylene diamine and/or a monoamine and an epihalohydrin as essential components.
|SEMICONDUCTIVE ROLLER - To provide a semiconductive roller which, when being used as a developing roller in combination with a positively chargeable toner, is capable of suppressing adhesion of the toner thereto to suppress reduction of image density, charging the toner to a higher toner charging level to ensure formation of higher-quality images, and suppressing reduction of toner charging level even after continuous repeated image formation to thereby suppress fogging of formed images for a longer period of time.
Patent applications in class At least one reactant which forms additional polymer contains a heterocyclic ring
Patent applications in all subclasses At least one reactant which forms additional polymer contains a heterocyclic ring