发明名称 |
METHOD AND APPARATUS FOR PRODUCING POLYBUTYLENE TEREPHTHALATE FILM, AND SHAPE-MEMORY POLYBUTYLENE TEREPHTHALATE LAMINATE FILM |
摘要 |
A method for producing a polybutylene terephthalate film by the air-cooling inflation method involving inflating a tube of a molten polybutylene terephthalate resin extruded from a ring die by means of the injection of ai r, characterized in that the resin is extruded under a resin pressure of 8.3 to 13.7 MPa and at a resin temperature of from the melting point of the above polybutylene terephthalate resin - 15~C to the above melting point - 5~C.</S DOAB> |
申请公布号 |
CA2499495(A1) |
申请公布日期 |
2004.04.01 |
申请号 |
CA20032499495 |
申请日期 |
2003.09.22 |
申请人 |
KAGAWA, SEIJI |
发明人 |
KAGAWA, SEIJI |
分类号 |
B29C35/16;B29C47/00;B29C47/06;B29C47/88;B29C47/90;B29C47/92;B29C55/28;B29C61/06;B32B27/06;B32B27/36;B32B37/12;B32B37/15;B32B37/20;B65D77/20 |
主分类号 |
B29C35/16 |
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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