Method for coating and crimping synthetic thermoplastic

Details Method for coating and crimping synthetic thermoplastic Method for coating and crimping synthetic thermoplastic

1977-05-25

1981-03-31

Mackey, Robert

Textiles: manufacturing

Thread finishing

Surface modification of running length

28248, 28267, D02G 112

Patent

active

042584574

ABSTRACT:
Synthetic thermoplastic fibers are produced by drawing the fibers, applying a finishing agent to the drawn fibers, and crimping the fibers in the presence of steam in a crimping zone wherein there are present a defined first region of low but increasing steam pressure, a defined second region of substantially constant, relatively high steam pressure, and a defined third region of decreasing steam pressure. Superior crimped products are obtained having a more permanent bulkiness which resists deterioration during further processing and subsequent use.

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