| 发明名称 |
High strength porous film of polypropylene and process for producing the same |
| 摘要 |
<p>A high strength porous film of polypropylene which comprises predominantly a polypropylene resin and possesses the following physical properties: (1) a tensile strength of at least 35 MPa in two orthogonal directions; (2) a porosity of not more than 80%; and (3) a moisture permeability of at least 20 g/m<2> day.</p> |
| 申请公布号 |
SG52959(A1) |
申请公布日期 |
1998.09.28 |
| 申请号 |
SG19970001272 |
申请日期 |
1997.04.22 |
| 申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
HASHIMOTO AKINAO;YAGI KAZUO;MANTOKU HITOSHI |
| 分类号 |
C08J9/00;B29C55/00;B29C55/12;B29C55/28;B29K23/00;B29K105/04;B29L7/00;C08J5/18;(IPC1-7):C08J5/18 |
主分类号 |
C08J9/00 |
| 代理机构 |
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