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公开(公告)号：EP3940028A1
公开(公告)日：2022-01-19
申请号：EP20774352.7
申请日：2020-01-16
发明人： OTA, Nobuhiko , SHIBATA, Takuya , SUGA, Takanori
IPC分类号： C08L51/04 , C08F279/02 , C08J5/00 , C08L25/02
摘要： A problem to be addressed by the present invention is provide a styrene-based thermoplastic resin composition having both excellent impact resistance and good flowability. An object of the present invention is to provide such a styrene-based thermoplastic resin composition including: (A) a graft copolymer obtained by graft-polymerizing, in the presence of a conjugated-diene-based rubber, (a) a monomer mixture containing at least an aromatic vinyl-based monomer, a methacrylic acid ester-based monomer, and an acrylic acid ester-based monomer; and (B) a vinyl-based copolymer obtained by copolymerizing (b) a monomer mixture containing an aromatic vinyl-based monomer, a methacrylic acid ester-based monomer, and a vinyl cyanide-based monomer, and containing substantial no acrylic acid ester-based monomer.
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公开(公告)号：EP3239235B1
公开(公告)日：2019-09-04
申请号：EP15872828.7
申请日：2015-12-15
摘要： A thermoplastic resin composition having an excellent moldability capable of producing a molded article having excellent chemical resistance, and in particular, an excellent chemical resistance in TD is provided. The thermoplastic resin composition of the present invention is a thermoplastic resin composition produced by blending 40 to 90 parts by weight of a vinyl copolymer (A) prepared by copolymerization of a vinyl monomer mixture (a) comprising at least 5 to 40% by weight of an aromatic vinyl monomer (a1), 30 to 80% by weight of an unsaturated alkyl carboxylate ester monomer (a2), and 10 to 50% by weight of a cyanated vinyl monomer (a3) and 10 to 60 parts by weight of a graft copolymer (B) prepared by graft copolymerization of a vinyl monomer mixture (b) comprising at least 10 to 30% by weight of an aromatic vinyl monomer (b1), 30 to 80% by weight of an unsaturated alkyl carboxylate ester monomer (b2), and 1 to 10% by weight of a cyanated vinyl monomer (b3) in the presence of a rubbery polymer (r); wherein acetone-soluble content (C) of the thermoplastic resin composition has a number average molecular weight of 65,000 to 90,000.
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3.发明公开THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE OF SAME 有权热塑性树脂组合物，其制备方法和模制品
公开(公告)号：EP3239235A1
公开(公告)日：2017-11-01
申请号：EP15872828.7
申请日：2015-12-15
摘要： A thermoplastic resin composition having an excellent moldability capable of producing a molded article having excellent chemical resistance, and in particular, an excellent chemical resistance in TD is provided. The thermoplastic resin composition of the present invention is a thermoplastic resin composition produced by blending 40 to 90 parts by weight of a vinyl copolymer (A) prepared by copolymerization of a vinyl monomer mixture (a) comprising at least 5 to 40% by weight of an aromatic vinyl monomer (a1), 30 to 80% by weight of an unsaturated alkyl carboxylate ester monomer (a2), and 10 to 50% by weight of a cyanated vinyl monomer (a3) and 10 to 60 parts by weight of a graft copolymer (B) prepared by graft copolymerization of a vinyl monomer mixture (b) comprising at least 10 to 30% by weight of an aromatic vinyl monomer (b1), 30 to 80% by weight of an unsaturated alkyl carboxylate ester monomer (b2), and 1 to 10% by weight of a cyanated vinyl monomer (b3) in the presence of a rubbery polymer (r); wherein acetone-soluble content (C) of the thermoplastic resin composition has a number average molecular weight of 65,000 to 90,000.
摘要翻译： 提供一种具有优异的成型性的热塑性树脂组合物，其能够制造具有优异耐化学性的模塑制品，特别是TD中优异的耐化学性。 本发明的热塑性树脂组合物是一种热塑性树脂组合物，它是通过混合40-90重量份的乙烯基共聚物（A），该乙烯基共聚物（A）通过共聚合乙烯基单体混合物（a）制备的，该乙烯基单体混合物（a）包含至少5-40％ 芳香族乙烯基单体（a1），30〜80重量％的不饱和羧酸烷基酯单体（a2）和10〜50重量％氰化乙烯基单体（a3）以及10〜60重量份的接枝物 由乙烯基单体混合物（b）接枝共聚而成的共聚物（B），所述乙烯基单体混合物（b）包含至少10-30重量％的芳族乙烯基单体（b1），30-80重量％的不饱和羧酸烷基酯单体（b2） ，和在橡胶状聚合物（r）存在下1至10重量％的氰化乙烯基单体（b3）; 其中热塑性树脂组合物的丙酮可溶物含量（C）的数均分子量为65,000至90,000。
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公开(公告)号：EP4023717A1
公开(公告)日：2022-07-06
申请号：EP20859602.3
申请日：2020-08-07
IPC分类号： C08L51/04 , C08F279/06 , C08K5/13 , C08K5/3435 , C08K5/5357 , C08L25/12 , C08L25/14 , C08L33/10
摘要： An object of the present invention is to provide a transparent thermoplastic resin composition having both a high total light transmittance and a good color tone, and further having a good reduction rate of total light transmittance after irradiation with γ-rays and a good recovery rate therefrom, the transparent thermoplastic resin composition containing: based on 100 parts by mass of the transparent thermoplastic resin composition, 10 to 60 parts by mass of a graft copolymer (A) obtained by graft copolymerizing a monomer mixture (a) containing at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (R); 40 to 90 parts by mass of a vinyl copolymer (B) obtained by copolymerizing a monomer mixture (b) containing at least an aromatic vinyl-based monomer (b1) and a (meth)acrylic acid ester-based monomer (b2); 100 to 1,000 ppm of a phenolic compound (C); and
a dihydrooxaphosphaphenanthrene-based phosphorus compound (D),
wherein a molar ratio (P/OH) of a phosphorus atom (P) of the dihydrooxaphosphaphenanthrene-based phosphorus compound (D) to a hydroxyl group (OH) of the phenolic compound (C) is 0.2 to 5.0.-
公开(公告)号：EP4001331A1
公开(公告)日：2022-05-25
申请号：EP20844893.6
申请日：2020-05-22
发明人： SHIBATA, Takuya , SUGA, Takanori , HASE, Takayuki
IPC分类号： C08F279/06 , C08L33/06 , C08L51/04 , C08L83/04
摘要： A problem to be addressed by the present invention is to provide a transparent thermoplastic resin composition having excellent impact resistance and flowability, also having a high transparency and good color tone, and further having good mold deposition. According to the spirit of the present invention, the transparent thermoplastic resin composition includes: 100 parts by mass of a transparent thermoplastic resin composition composed of 10 to 60 parts by mass of a graft copolymer (A) obtained by graft-copolymerizing a monomer mixture (a) containing at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (r), and 40 to 90 parts by mass of a vinyl-based copolymer (B) obtained by copolymerizing a monomer mixture (b) containing at least an aromatic vinyl-based monomer (b1), a (meth)acrylic acid ester-based monomer (b2), and a vinyl cyanide-based monomer (b3); and 15 ppm or more and 40 ppm or less of a polydimethyl siloxane gum (C) having a weight-average molecular weight of 300,000 or more.
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公开(公告)号：EP3239235B9
公开(公告)日：2020-01-01
申请号：EP15872828.7
申请日：2015-12-15
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