发明名称 |
IMPROVED RUBBER MODIFIED MONOVINYLIDENE AROMATIC POLYMER COMPOSITIONS |
摘要 |
The present invention is an improved rubber-modified polymeric composition comprising: (a) a continuous matrix phase comprising an interpolymer of a monovinylidene aromatic monomer and an ethylenically unsaturated nitrile monomer; and (b) from 5 to 40 weight percent, based on the total weight of said polymeric composition, of a rubber in the form of discrete rubber particles dispersed in said matrix, wherein the dispersed rubber particles comprise: (1) at least 33 weight percent based on the total rubber content, of a mass rubber particle component having a volume average particle diameter of from 0.15 to 0.40 micron; (2) from 15 to 67 weight percent based on the total rubber content, of a small-particle emulsion rubber component having a volume average diameter of from 0.05 to 0.30 micron; and (3) from 0 to 35 weight percent based on the total rubber content, of a large emulsion particle rubber component having a volume average diameter of from greater than 0.30 to 2.0 micron; wherein the rubber particles of the composition have an average light absorbance ratio of less than 1.4. |
申请公布号 |
WO0024823(A1) |
申请公布日期 |
2000.05.04 |
申请号 |
WO1999US22246 |
申请日期 |
1999.09.24 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
VANSPEYBROECK, RONY, S.;MAES, DOMINIQUE;GALOBARDES, MERCEDES, R.;JONES, MARY, ANN;CERASO, JOSEPH, M. |
分类号 |
C08L25/12;C08L27/12;C08L51/04;C08L55/02;C08L83/04;(IPC1-7):C08L25/12 |
主分类号 |
C08L25/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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