发明名称 |
Maleic anhydride graft copolymer products having low yellowness index and preparation |
摘要 |
Maleic anhydride can be satisfactorily grafted to polymers at low pressures by feeding the polymer through a co-rotating, twin-screw extruder and injecting the maleic anhydride and a free radical initiator into the extruder. The maleic anhydride and initiator can be pre-mixed in a solvent solution. The solvent and unreacted maleic anhydride can be removed by low pressure devolatilization. |
申请公布号 |
AU642848(B2) |
申请公布日期 |
1993.11.04 |
申请号 |
AU19880023882 |
申请日期 |
1988.08.09 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
CHAD A. STRAIT;RICKY L. TABOR;GERALD M. LANCASTER |
分类号 |
B32B27/32;C08F8/46;C08F255/00;C08F255/02;C08F267/04;C08G67/00;C08G67/02;C08L51/06 |
主分类号 |
B32B27/32 |
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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