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    • 7. 发明授权
    • Heat and impact resistant resin composition
    • 耐热和耐冲击树脂组合物
    • US4567233A
    • 1986-01-28
    • US575298
    • 1984-01-30
    • Hiromi TomonoTakashi KokuboKazuki YamaguchiSadao Ikuma
    • Hiromi TomonoTakashi KokuboKazuki YamaguchiSadao Ikuma
    • C08L33/00C08L7/00C08L21/00C08L23/00C08L25/12C08L33/02C08L33/20C08L33/24C08L35/06C08L51/00C08L51/02C08L51/04C08L55/00C08L101/00
    • C08L33/20C08L35/06C08L51/04C08L2205/02C08L25/12
    • A heat and impact resistant resin composition which comprises from 10 to 90 parts by weight of a copolymer (A) comprising from 90 to 50% of residues of a vinyl aromatic compound, from 10 to 50% of residues of a maleimide compound and from 0 to 30% of residues of a vinyl compound copolymerizable therewith; from 0 to 50 parts by weight a copolymer (B) comprising from 90 to 40% of residues of a vinyl aromatic compound and from 10 to 60% of residues of an unsaturated nitrile compound; from 5 to 89 parts by weight of a graft copolymer (C) comprising from 25 to 70% by weight of particles of a rubber having a glass transition temperature of not higher than 0.degree. C. and an average particle size of from 0.1 to 0.5 .mu.m and from 75 to 30% by weight of a matrix resin comprising from 90 to 40% of residues of a vinyl aromatic compound and from 10 to 60% of residues of an unsaturated nitrile compound; and from 1 to 45 parts by weight of a graft copolymer (D) comprising from 2 to 17% by weight of particles of a rubber having a glass transition temperature of not higher than 0.degree. C. and an average particle size of from 0.7 to 4 .mu.m and from 98 to 83% by weight of a matrix resin comprising from 90 to 40% of residues of a vinyl aromatic compound and from 10 to 60% of residues of an unsaturated nitrile compound, wherein the amount of the graft copolymer (C) is from 97 to 50% by weight of the total amounts of the graft copolymers (C) and (D).
    • 一种耐热和耐冲击树脂组合物,其包含10至90重量份的共聚物(A),其包含90至50重量%的乙烯基芳族化合物残基,10至50重量%的马来酰亚胺化合物和0 至30%的可与其共聚的乙烯基化合物的残基; 0至50重量份的共聚物(B),其包含90至40重量%的乙烯基芳族化合物的残基和10至60重量%的不饱和腈化合物的残余物; 5至89重量份的接枝共聚物(C),其包含25至70重量%的玻璃化转变温度不高于0℃的橡胶颗粒,平均粒度为0.1至0.5 和75至30重量%的基质树脂,其包含90至40%的乙烯基芳族化合物的残基和10至60%的不饱和腈化合物的残基; 和1至45重量份的接枝共聚物(D),其包含2至17重量%的玻璃化转变温度不高于0℃的橡胶颗粒和平均粒径为0.7至 4重量%和98至83重量%的基质树脂,其包含90至40重量%的乙烯基芳族化合物残基和10至60重量%的不饱和腈化合物的残余物,其中接枝共聚物 C)为接枝共聚物(C)和(D)的总量的97〜50重量%。