发明名称 |
Apparatus for forming crystalline polymer pellets |
摘要 |
This invention relates to a process and apparatus for forming a polyester polymer into particles. More particularly, this invention relates to a process and apparatus for forming crystalline, uniform pellets from an amorphous polyester melt. The polyester pellets have utility, for example, as feedstock for a process for producing higher molecular weight polyesters.
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申请公布号 |
US5633018(A) |
申请公布日期 |
1997.05.27 |
申请号 |
US19950376599 |
申请日期 |
1995.01.20 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
STOUFFER, JAN M.;BLANCHARD, ELWOOD N.;LEFFEW, KENNETH W. |
分类号 |
B01J2/26;B29B9/10;B29B9/16;B29C71/00;B29C71/02;B29K67/00;(IPC1-7):B01J4/02 |
主分类号 |
B01J2/26 |
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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