发明名称 |
PERFORIERTER PLASTIKSCHAUM UND SEIN HERSTELLUNGSVERFAHREN |
摘要 |
Disclosed is a method for providing accelerated release of a flammable blowing agent from a plastic foam. The method comprises (a) providing the plastic foam having the blowing agent and a permeability modifier therein and (b) perforating the foam at its surface to form a multiplicity of channels extending from the surface into the foam. The channels are in gaseous communication with the environment outside the foam structures and provide accelerated released of blowing agent. |
申请公布号 |
DE69210997(T3) |
申请公布日期 |
1999.12.16 |
申请号 |
DE1992610997T |
申请日期 |
1992.03.24 |
申请人 |
THE DOW CHEMICAL CO., MIDLAND |
发明人 |
KOLOSOWSKI, PAUL |
分类号 |
B29C67/20;B29C44/00;B29C44/56;B29K105/04;C08F10/00;C08J9/14 |
主分类号 |
B29C67/20 |
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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