HEAT TREATED POLYMER POWDERS |
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| 申请号 | EP11831268 | 申请日 | 2011-09-27 | 公开(公告)号 | EP2627687A4 | 公开(公告)日 | 2016-09-07 |
| 申请人 | ARKEMA INC; | 发明人 | BERTELO CHRISTOPHER A; GARCIA-LEINER MANUEL A; DECARMINE ANTHONY; DEFELICE SCOTT F; | ||||
| 摘要 | The invention relates to heat treatment of polymorphic semicrystalline or crystallizable polymers to increase the content of the highest melting crystalline form. Such heat treatment results in a polymer powder that has a consistent, uniform melting range, improved flow and improved durability of the powder particle size for applications that require powder flow at elevated temperatures. In addition to improved powder properties, the articles produced from the powders also exhibit better physical properties in both appearance and in mechanical properties. Thus the invention also includes polymer powders and articles produced by the described processes. | ||||||
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| 说明书全文 | |||||||
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