发明名称 |
Fibers filter rods and other nonwoven articles made from poly(1,2-propylene terephthalate) copolyesters of terephthalic acid, 1,2-propylene glycol and ethylene glycol |
摘要 |
This invention concerns fibers of amorphous polyesters of terephthalic acid or an ester forming derivative thereof and from about 60 mole percent to 100 mole percent 1,2-propylene glycol and from 0 to about 40 mole percent ethylene glycol. These fibers are useful for the production of bonded coherent cigarette filters, nonwoven fabrics and the like.
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申请公布号 |
US4188960(A) |
申请公布日期 |
1980.02.19 |
申请号 |
US19780967558 |
申请日期 |
1978.12.08 |
申请人 |
EASTMAN KODAK |
发明人 |
JACKSON, WINSTON J JR;KUHFUSS, HERBERT F;MORIE, GERALD P;SLOAN, CEPHAS H |
分类号 |
A24D3/08;B01D39/08;B01D39/16;C08G63/183;D01F6/84;D04H1/54;(IPC1-7):C08G63/18 |
主分类号 |
A24D3/08 |
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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