Patent application number | Description | Published |
20080274357 | RESIN COMPOSITION FOR MOLDING MATERIAL AND MOLDED ARTICLE MADE THEREFROM - A resin composition for molding materials according to the present invention comprising an acrylic polymer and a plasticizer, wherein the acrylic polymer consists of primary particles which have a core-shell structure comprising a core polymer and a shell polymer, and wherein the core polymer and shell polymer comprise methyl methacrylate monomer units and the core polymer has a lower content of methyl methacrylate monomer units than the shell polymer. The resin composition has high moldability during molding and gives a molded article having high hardness and high tear strength and reduced in plasticizer bleeding. | 11-06-2008 |
20090036607 | POLYMER PARTICLE, RESIN COMPOSITION CONTAINING SAME, AND MOLDED BODY - A polymer particle is obtained by polymerizing a monomer in the presence of a phosphate salt represented by the following formula (1). The polymer particle contains 0.01 to 1.0 part by mass of the phosphate salt to 100 parts by mass of the polymer particle. A resin composition and a molded article using such a polymer particle are excellent in thermal stability and resistance to moist heat, and the color tone of the resin has little change before and after the blending of the polymer particle. | 02-05-2009 |
20090137740 | (METH)ACRYLIC POLYMER PARTICLE, PROCESS FOR PRODUCTION OF THE PARTICLE, PLASTISOL, AND ARTICLE - A method for producing a (meth)acrylic polymer particle comprises polymerizing a monomer (X) having a (meth)acryloyl group to produce a polymer particle, and polymerizing a monomer mixture (Y) in the presence of the polymer particle, in which the monomer (X) is 90 to 99.9% by mass and the monomer mixture (Y) is 0.01 to 10% by mass in terms of the ratio among monomer raw materials to be supplied for polymerization; and the monomer mixture (Y) comprises 1 to 80% by mol of a monomer (a) having a basic nitrogen atom or having a blocked isocyanate as a functional group, 5 to 80% by mol of a (meth)acrylate monomer (b) of at least one alcohol selected from the group consisting of an aliphatic alcohol having 2 or more carbon atoms, an aromatic alcohol, and a cyclic alkyl alcohol, and 0 to 94% by mol of a monomer (c) other than the monomer (a) and the monomer (b). | 05-28-2009 |
20090260752 | TWO-PACK TYPE PLASTISOL COMPOSITION AND METHOD OF USE THEREOF - A two-pack type plastisol composition comprising two liquid compositions (LA) and (LB), characterized in that the composition obtained by mixing the compositions (LA) and (LB) has a gelation time (as measured at 30.degree. C.) of 1 hour or shorter. It is a novel material which gels at ordinary temperature in 1 hour, preferably in several minutes, to come to have practically sufficient performances. The composition (LA) preferably comprises fine acrylic polymer particles (A) and a dispersion medium (B) in which the particles (A) are substantially insoluble at ordinary temperature (provided that the particles (A) may be soluble in the medium (B) at elevated temperatures). The composition (LB) preferably comprises an organic solvent (C) in which the particles (A) have sufficiently high solubility at ordinary temperature. | 10-22-2009 |
20100234530 | POWDERY PROCESSING AID FOR POLYOLEFIN RESINS, METHOD FOR PRODUCING THE SAME, RESIN COMPOSITION AND SHAPED ARTICLE TECHNICAL FIELD - Disclosed are a powdery processing aid for polyolefin resins, containing an alkyl methacrylate polymer which has alkyl methacrylate units having an alkyl group with 2 to 6 carbon atoms as a main component and has a mass average molecular weight of 150,000 to 20,000,000, having good handling properties as a powder, having good dispersibility in polyolefin resins, and being able to improve shaping processability of polyolefin resins; and a polyolefin resin composition having improved shaping processability, which contains a powdery processing aid for polyolefin resins and a polyolefin resin. | 09-16-2010 |
20120065305 | ADDITIVE FOR A THERMOPLASTIC RESIN, A PROCESS FOR PRODUCING THE SAME, A THERMOPLASTIC RESIN COMPOSITION, AND A SHAPED ARTICLE - Disclosed is an additive for a thermoplastic resin, which provides a thermoplastic resin composition excellent in formability and also provides a shaped article excellent in surface appearance and flame retardance. | 03-15-2012 |
20120277379 | PROCESSING AID FOR POLYOLEFIN-BASED RESIN, POLYOLEFIN-BASED RESIN COMPOSITION AND MOLDED ARTICLE - To provide a processing aid for a polyolefin-based resin, capable of providing a polyolefin-based resin composition having excellent melt tension, fluidity and die build-up inhibiting effect. | 11-01-2012 |
20130085196 | DISPERSING AGENT FOR ADDITIVE FOR POLYOLEFIN-BASED RESIN, POLYOLEFIN-BASED RESIN COMPOSITION, AND MOLDED ARTICLE - Disclosed is a versatile dispersant for an additive for olefin resins. The dispersant (A) for an additive (B) for polyolefins contains an alkyl methacrylate polymer which comprises an alkyl methacrylate (a1) unit having an alkyl group with a carbon number of at least 2 as the main component, and which has a mass average molecular weight of 15,000-145,000. | 04-04-2013 |
20130289211 | CROSS-LINKED POLYMER PARTICLE FOR EPOXY RESIN, EPOXY RESIN COMPOSITION, AND EPOXY CURED MATERIAL - The invention discloses a cross-linked polymer particle for an epoxy resin, an epoxy resin composition containing the cross-linked polymer particle, the epoxy resin and a curing agent, and an epoxy cured material having qualities of colorless transparency and crack resistance as a result of curing the resin composition. The cross-linked polymer particle for the epoxy resin contains a (meth)acrylate monomer unit and a crosslinking monomer unit, wherein a volume average primary particle diameter is 0.5 to 10 μm, and a glass transition temperature of the monomer components excluding the crosslinking monomer is 30° C. or more by FOX formula calculation, and the refractivity at 23° C. is 1.490 to 1.510. | 10-31-2013 |