Abstract:
The present invention relates to a copolycarbonate and a composition comprising the same. The copolycarbonates according to the present invention has a structure in which a specific siloxane compound is introduced in a main chain of the polycarbonate, and thus exhibits improved chemical resistance and impact strength simultaneously.
Abstract:
Methods and compositions are provided for preparation of thermoplastic gels. The compositions have a base composition including a thermoplastic gel and a softener oil and the gel has a hardness between 15 Shore 000 and 65 Shore 000. The gel may also include an additive, such as a mineral filler, an anti-tack agent, and a mixture of a mineral filler and an anti-tack agent. The softener oil may be a high molecular weight oil having a molecular weight greater than about 250 g/mol.
Abstract:
There is provided an interlayer film for laminated glass with which the transparency can be enhanced. The interlayer film for laminated glass according to the present invention is in a sea-island state having a sea-like dark part and a plurality of island-like bright parts to be identified when observed with a transmission electron microscope, a thermoplastic resin is contained in the dark part region and a thermoplastic resin is contained in the bright part region, and the arithmetic average value of major diameters of the bright parts is less than or equal to 400 nm or the median value of major diameters of the bright parts is less than or equal to 400 nm.
Abstract:
A thermoplastic resin composition comprising a graft copolymer (I) which is produced by carrying out the graft polymerization of a monomer mixture (B) comprising an aromatic vinyl monomer and a vinyl cyanide monomer in the presence of an acrylic rubbery polymer (A) and a vinyl copolymer (II) which is produced by carrying out the copolymerization of an aromatic vinyl monomer with a vinyl cyanide monomer, wherein the ratio of the content of the former copolymer to that of the latter copolymer is (30 to 70 parts by weight):(70 to 30 parts by weight), the graft copolymer (I) has such a property that the ratio (i.e., (α)/(β)) of the gel swelling degree (α) of the acrylic rubbery polymer (A) in toluene to the grafting ratio (β) of the graft copolymer (I) is 0.4 to 2.0, and the thermoplastic resin composition has such a structure that particles of the graft copolymer (I) are aggregated in the thermoplastic resin composition. From the thermoplastic resin composition, a molded article having excellent fluidability, weather resistance and impact resistance can be produced.
Abstract:
The present invention relates to a blend comprising metallocene polypropylene and an elastomer for automobile parts, characterized in that said blend has low volatile organic compounds emissions. The invention also relates to the use of said blend in parts for automobiles.
Abstract:
The problem of the invention is to provide a semi-aromatic polyamide resin composition having high rigidity, exceptional impact resistance, and exceptional zygosity with very little change in hardness associated with heating and cooling, as well as a molded article of this semi-aromatic polyamide resin composition. A semi-aromatic polyamide resin composition containing a semi-aromatic polyamide resin (A), acid-modified polyolefin resin (B), and fibrous filler (C), wherein the resin (A) contains a certain amount or more of terephthalic acid component units relative to the total number of moles of dicarboxylic acid component units, the semi-aromatic polyamide resin composition contains a certain amount or more of the resin (B), the glass transition temperature of the semi-aromatic polyamide resin composition is within a predetermined range, and the Vicat softening point of the resin (B) is within a predetermined range, is used as the semi-aromatic polyamide resin composition in order to solve this problem.
Abstract:
The invention pertains to A polyannide composition [composition (C)] comprising: —from 20 to 95% wt of at least one polyamide [polyamide (A)]; —from 1 to 30% wt of at least one branched polyamide different from polyamide (A), said branched polyamide comprising recurring units derived from polycondensation of a mixture [mixture (B)] comprising: —at least one polyamine monomer comprising at least three amine functional groups selected from the group consisting of secondary amine group of formula —NH— and primary amine group of formula -MH2 [monomer (FN)], and —ε-caprolactam (or derivates thereof); said branched polyamide possessing a concentration of amine end groups (AEG) and a concentration of carboxylic end groups (CEG) such that the difference AEG−CEG is of at least 100 meq/kg [polyamide (B)]; and —from 0.01 to 3.5% wt of at least one thermal stabilizer [stabilizer (S)], —optionally, from 0 to 60% wt of at least one filler [filler (F)]; —optionally, from 0 to 20% wt of at least one impact modifying rubber [rubber (I)]; —optionally, from 0 to 20% wt of other conventional additives, with above % wt being referred to the total weight of composition (C).
Abstract:
The invention is directed to polymer compositions comprising components (a), (b), (c) and (d): (a) 80 to 97% by weight of component (a) comprising a copolymer (a1) of styrene (a11) and methyl methacrylate (a12), wherein the amount present of (a11) is from 70 to 90% by weight and the amount present of (a12) is from 10 to 30% by weight, based in each case on (a1), (b) 3 to 20% by weight of polyphenylene ether as component (b); (c) 0 to 2% by weight of polystyrene as component (c); (d) 0 to 17%, in particular 0 to 15% by weight of conventional additives as component (d), having improved heat resistance, surface hardness, depth of color and gloss.
Abstract:
The present disclosure relates to a polyethylene composition comprising copolymers of ethylene with 1-alkenes, or mixtures of ethylene homopolymers and said copolymers of ethylene with 1-alkenes, wherein the polyethylene composition has a molar mass distribution width (MWD) Mw/Mn of from 7 to 15, a density of from 0.942 to 0.954 g/cm3, a weight average molar mass Mw of from 20,000 g/mol to 500,000 g/mol, a MIE of from 1.0 to 3.0 g/10 min, a MIF of from 100 to 200 g/10 min, and a ratio MIF/MIE of from 40 to 50.
Abstract:
The present invention relates to a copolymer resin composition formed by polymerizing an alkyl methacrylate-based monomer, a styrene-based monomer, a phenylmaleimide-based monomer and an alkyl acrylate-based monomer and to an optical film formed using the copolymer resin composition. The resin composition of the present invention may reduce odors which may be generated during the film extrusion and have a good thermal resistance and thermal stability.