Acceleration of yarn heat-strengthening process

Details Acceleration of yarn heat-strengthening process Acceleration of yarn heat-strengthening process

1982-10-12

1984-01-03

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

264346, B29C 2500

Patent

active

044241844

ABSTRACT:
The heat-strengthening of yarn spun from optically anisotropic melt-forming polyesters can be accelerated by coating the yarn prior to heat treatment with certain inorganic compounds.

REFERENCES:
patent: 3975487 (1976-08-01), Cottis et al.
patent: 4069159 (1978-01-01), Hayek
patent: 4118372 (1978-10-01), Schaefgen
patent: 4132757 (1979-01-01), Smith et al.
patent: 4183895 (1980-01-01), Luise
patent: 4184996 (1980-01-01), Calundann

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