| 发明名称 |
GRANULAR POLYTETRAFLUOROETHYLENE OF GOOD MOLDABILITY AND APPARENT BULK DENSITY |
| 摘要 |
Granular polytetrafluoroethylene is ground to a particle size of about 20-50 microns, and slurried in water at a temperature less than 40 DEG C. to increase the apparent bulk density of the polymer without a substantial change to the moldability index and particle size thereof.
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| 申请公布号 |
US3690569(A) |
申请公布日期 |
1972.09.12 |
| 申请号 |
USD3690569 |
申请日期 |
1970.09.24 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND CO. |
发明人 |
GLENN FREDERICK LEVERETT |
| 分类号 |
C08J3/12;(IPC1-7):B02C19/00;B02C23/00;C08F3/24 |
主分类号 |
C08J3/12 |
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