发明名称 |
Process for production of polyester polyurethane elastomeric fibers |
摘要 |
A process for the production of polyester polyurethane elastomeric fibers having improved humid aging resistance which comprises the steps of reacting a polyester diol with an excess molar amount of an organic diisocyanate to prepare a urethane prepolymer having terminal isocyanate group at both ends thereof; extending the chain of the prepolymer with a bifunctional active hydrogen compound and 0.5 to 10.0 mole % of a diaminosilyl compound based on the total amount of the bifunctional active hydrogen compound during or after preparation of the prepolymer to obtain a polyurethane; spinning the polyurethane into fiber; and crosslinking the polyurethane during or after spinning.
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申请公布号 |
US4963310(A) |
申请公布日期 |
1990.10.16 |
申请号 |
US19880267663 |
申请日期 |
1988.11.04 |
申请人 |
TOYO BOSEKI KABUSHIKI KAISHA |
发明人 |
MITAMURA, HIDEYUKI;ARIMATSU, YOSHIKAZU;TANI, KATSUYA;KATSUO, KENICHI |
分类号 |
C08G18/10;C08G18/42;C08G18/65;D01F6/70;D01F11/08 |
主分类号 |
C08G18/10 |
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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