发明名称 |
Method for producing a foamed article |
摘要 |
Disclosed is a method for producing a foamed article by injecting a molten polypropylene resin containing a foaming agent between cavity surfaces of a pair of a female and male molds having the cavity surfaces, wherein the molten polypropylene resin is injected between the cavity surfaces at an injection rate of from 200 cc/sec to 1200 cc/sec and a quotient of the longest flow distance of the molten resin between the cavity surfaces during a molding process divided by an injection time is 200 mm/sec or less.
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申请公布号 |
US2006261507(A1) |
申请公布日期 |
2006.11.23 |
申请号 |
US20050257133 |
申请日期 |
2005.10.25 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
KOBAYASHI YOSHITAKA;USUI NOBUHIRO |
分类号 |
B29C44/02 |
主分类号 |
B29C44/02 |
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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