发明名称 |
PREPARATION OF A MACROCELLULAR ACOUSTIC FOAM |
摘要 |
A process for making a macrocellular acoustic foam is disclosed in which a foamable gel comprising a blowing agent and a polymeric resin composition is subjected to an extrusion process characterized by a die pressure greater than the prefoaming critical die pressure but less than or equal to four times that of said prefoaming critical die pressure and macrocellular foams are disclosed obtainable by that process which are made of: A) one ore more homopolymers of ethylene, one ore more C3-C20 alpha -olefin polymers, or a combination thereof; B) one or more halogenated flame retardants; C) optionally, one or more polymers other than that of Component A; and D) optionally, one or more flame retardant synergists.
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申请公布号 |
WO0170859(A2) |
申请公布日期 |
2001.09.27 |
申请号 |
WO2001US04594 |
申请日期 |
2001.02.13 |
申请人 |
THE DOW CHEMICAL COMPANY;SUBRAMONIAN, SURESH;GILG, SANDRINE;PARK, CHUNG, P. |
发明人 |
SUBRAMONIAN, SURESH;GILG, SANDRINE;PARK, CHUNG, P. |
分类号 |
B60R13/08;C08J9/00;C08J9/04;C08K5/00;C08L23/04;(IPC1-7):C08J9/00 |
主分类号 |
B60R13/08 |
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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