摘要:
Disclosed are: a polyalkylene terephthalate resin composition comprising (A) a polyalkylene terephthalate resin and (B) an acrylic-based core-shell polymer which has an average particle size of 2 µm or greater and in which an amount of the core layer component is more than 80% by mass but less than 100% by mass relative to a total mass of the core layer component and a shell layer component; and a molded article which is obtained by molding the polyalkylene terephthalate resin composition.
摘要:
The present invention aims to provide a moisture-curable reactive hot-melt adhesive composition which contains no vinyl chloride resin, which is excellent in adhesion to oily steel sheets and electroplated steel sheets, which has high strength immediately after application to effectively improve the production cycle, and which can be suitably used in vehicle applications. This challenge is solved by a moisture-curable reactive hot-melt adhesive that includes an oxyalkylene polymer containing a reactive silyl group, an alkyl (meth)acrylate (co)polymer, a tackifying resin, and a specific inorganic filler in combination.
摘要:
An object of the present invention is to provide a curable composition that can be used as sealing materials, adhesives, and the like, has excellent curing properties, and gives a cured product excellent in elongation properties. The object can be attained by means of a curable composition comprising: a reactive silyl group-containing polyether polymer (A) that contains a reactive silyl group with high activity (e.g., (ClCH 2 ) (CH 3 O) 2 Si-, (CH 3 OCH 2 ) (CH 3 O) 2 Si-, or CH 3 (CH 3 O) 2 Si-CH 2 -NH-C (=O) -) ; and a reactive silyl group-containing polyether polymer (B) that contains a reactive silyl group (e.g., CH 3 (CH 3 O) 2 Si- or (CH 3 O) 3 Si-) different from that mentioned above and/or a (meth)acrylic polymer (C) containing a reactive silyl group that is not particularly limited.
摘要:
The present invention relates to a thermoplastic resin composition comprising a rubber graft copolymer comprising a core layer containing a rubber copolymer and a shell layer grafted on the core layer and a thermoplastic resin comprising a polycarbonate resin and an aliphatic polyester resin in the mass ratio of the rubber graft copolymer/the thermoplastic resin of 3/100 or more, wherein the shell layer is obtained by polymerizing or copolymerizing a (meth)acrylate: monomer having an epoxy group, and the amount of the (meth)acrylate monomer having an epoxy group is 3 parts by mass or more and less than 29 parts by mass based on 100 parts by mass of the rubber graft copolymer. The thermoplastic resin composition of the present invention can be utilized in various applications, for example, electric and electronic applications such as a personal computer, a liquid crystal display, a projector, a PDA, a printer, a copy machine, a facsimile, a video camera, a digital camera, a cellular phone (smart phone), a portable audio device, a game machine, a DVD recorder, a microwave oven, a rice cooker; building applications such as a light transmitting plate for road, a lighting window, a carport, a lens for lighting, a cover for lighting, a siding for building, and a door; vehicle applications such as a handle, a shift lever, a vibration absorber for an automobile, and a window, a display, a light, a panel of driving seat for train, and the like.
摘要:
The present invention provides a curable composition useful as a contact adhesive which has a high rate of initial tack development, high tack strength, and long retention time of the developed tack. The curable composition includes an organic polymer (Q) containing a reactive silyl group, and a linear organic polymer (P) having a number average molecular weight larger than that of the polymer (Q) and having a reactive silyl group containing three hydrolyzable groups at only one terminal. The organic polymer (P) and the organic polymer (Q) are mixed at a mixing ratio (P):(Q), in terms of parts by weight, of 60:40 to 5:95.
摘要:
The present invention provides a curable composition comprising a reactive silicon group-containing polyoxyalkylene polymer which is obtained by reacting a polyoxyalkylene polymer (A) having a molecular weight distribution of 1.6 or less, a number average molecular weight of 15,000 to 50,000, and 0.8 or more reactive groups, on average, per molecule thereof with an organic compound (B) having in the molecule thereof a reactive silicon group and a functional group capable of reacting with the reactive groups of the polymer (A) in a proportion of 0.8 to 1.5 molecules of the organic compound (B), on average, per molecule of the component (A), a filler (C) and a curing catalyst (D); further in which, in the liquid components contained in the curable composition, the ratio y/x of the content y (wt%) of a component having no reactive silicon group and the content x (wt%) of a component having at least one reactive silicon group is 0.4 or less; and further in which the composition comprises a plasticizer in an amount of 10 parts by weight or less in relation to 100 parts by weight of the reactive silicon group-containing polyoxyalkylene polymer. The curable composition of the present invention improves the staining property of the cured product thereof, ensures favorable mechanical properties favorable for a sealant such as low stress and high elongation, and is also satisfactory in workability.
摘要:
With the purpose of improving the drying characteristics of an alkyd resin coating applied on the surface of a cured product of a composition containing an oxyalkylene polymer having silicon-containing functional groups which cause crosslinking via the formation of siloxane linkages, the invention provides a composition comprising an oxyalkylene polymer (A) having silicon-containing functional groups which cause crosslinking via the formation of siloxane linkages and 2,6-di-t-butyl- hydroxytoluene, wherein the content of 2,6-di-t-butylhydroxy- toluene is 350 ppm or below based on the polymer (A).