基本信息:
- 专利标题: 변형 방법
- 专利标题(英):Transforming process
- 专利标题(中):变换过程
- 申请号:KR1020107012793 申请日:2008-12-12
- 公开(公告)号:KR1020100099163A 公开(公告)日:2010-09-10
- 发明人: 파트카르,마헤쉬 , 무스그레이브,마이클
- 申请人: 피나 테크놀러지, 인코포레이티드
- 申请人地址: P.O.Box ******, Houston, TX *****-****, U.S.A.
- 专利权人: 피나 테크놀러지, 인코포레이티드
- 当前专利权人: 피나 테크놀러지, 인코포레이티드
- 当前专利权人地址: P.O.Box ******, Houston, TX *****-****, U.S.A.
- 代理人: 박경재
- 优先权: US12/001,921 2007-12-13
- 国际申请: PCT/US2008/086499 2008-12-12
- 国际公布: WO2009076570 2009-06-18
- 主分类号: C08J5/18
- IPC分类号: C08J5/18 ; C08F10/06 ; B29C47/00 ; B27N3/18
The present invention, sheet extrusion flow path (vertical direction) and to a method for producing a shaped article from a relatively isotropic thermal shrinkage of the final thermoformed article surface along the horizontal direction. The article is prepared from isotactic polypropylene produced by the polymerization of propylene and the metallocene catalyst in isobutane specificity metal. Polymer has a 1 ~ 5 g / 10 bun melt flow rate and melt temperature below 160 ℃. The polypropylene is oriented in at least one direction is pushed out to provide a sheet having a 10 to 100 mils. The sheet is heated and, thermoformed in contact with the template (template) having desired configuration at a temperature of 135 to 160 ℃ produces a thermoformed article. Next, the heat molded article is cooled and recovered from the pattern plate to form the final product.
信息查询:
EspacenetIPC结构图谱:
C | 化学;冶金 |
--C08 | 有机高分子化合物;其制备或化学加工;以其为基料的组合物 |
----C08J | 加工;配料的一般工艺过程;不包括在C08B,C08C,C08F,C08G或C08H小类中的后处理 |
------C08J5/00 | 含有高分子物质的制品或成形材料的制造 |
--------C08J5/18 | .薄膜或片材的制造 |