发明名称 |
RESINOUS FOAM FORMULATION FOR SELF-SKINNING COVER MATERIAL |
摘要 |
A method of producing a molded foam article having an integral skin and a backing layer of foam comprising mixing particles of two polyvinyl compounds one of the compounds having a molecular weight less than that of the other compound and a higher solvating plasticizer than that of the other compound and casting the mixture against a heated mold surface and melting the one compound to flood the interstices of the particles of the other compound and float to the surface of the heated mold to form a skin and wherein the other compound includes foaming constituents to simultaneously form a layer of foam material behind the skin.
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申请公布号 |
US5238622(A) |
申请公布日期 |
1993.08.24 |
申请号 |
US19910796024 |
申请日期 |
1991.11.22 |
申请人 |
DAVIDSON TEXTRON INC. |
发明人 |
GRIMMER, ROBERT A. |
分类号 |
C08J9/34;B29C41/00;B29C41/12;B29C41/46;B29C44/04 |
主分类号 |
C08J9/34 |
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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