发明名称 |
Injection process for making a moulding completely recyclable, multilayered article |
摘要 |
An injection moulding process for making a completely recyclable, multilayered article which contains: i) a rigid layer formed of a thermoplastic polymer and ii) a foamed skin layer formed of a thermoplastic polymer compatible with the material of the rigid layer, by injection moulding of the rigid layer into a mould composed of two sides, lifting one side of the mould, or change one side of the mould to obtain a small gap of between 3 to 4 mm between the rigid layer and the side of the mould lifted or changed and injecting the foamed skin layer into the gap formed in step b).
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申请公布号 |
US7976749(B2) |
申请公布日期 |
2011.07.12 |
申请号 |
US20070753324 |
申请日期 |
2007.05.24 |
申请人 |
BASF AKTIENGESELLSCHAFT;P GROUP S.R.L. |
发明人 |
VOELKEL MARK;WEIΒ CARSTEN;EIPPER ANDREAS;GINSS CHRISTOPHE;PIZZATI GIANLUCA;BORTOLON VITTORIO |
分类号 |
B32B37/00 |
主分类号 |
B32B37/00 |
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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