| 发明名称 |
METHOD OF MANUFACTURING PARTIALLY CRYSTALLINE POLYESTER ARTICLES |
| 摘要 |
<p>METHOD OF MANUFACTURING PARTIALLY CRYSTALLINE POLYESTER ARTICLES A method of making a polyethylene terephthalate/polyolefin blend for sheeting and thermoformed articles which has improved color stability and can be recycled many times. A heat stabilizer is melt blended only with the polyolefin prior to its incorporation into the polyethylene terephthalate. The PET and polyolefin are then blended and extruded into sheeting and subsequently thermoformed into articles useful as microwave oven trays.</p> |
| 申请公布号 |
CA1266361(A) |
申请公布日期 |
1990.03.06 |
| 申请号 |
CA19860502602 |
申请日期 |
1986.02.25 |
| 申请人 |
GOODYEAR TIRE & RUBBER COMPANY (THE) |
发明人 |
RICHESON, DONALD E.;SHRIVER, CLEM B. |
| 分类号 |
C08L67/00;B29C51/00;B29C51/08;B29K67/00;C08J3/20;C08J3/22;C08J5/18;C08J11/06;C08L7/00;C08L21/00;C08L23/00;C08L23/02;C08L33/00;C08L33/02;C08L67/02;C08L101/00;(IPC1-7):C08J3/22 |
主分类号 |
C08L67/00 |
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