Process for producing polyvinyl alcohol multifilament yarn

Details Process for producing polyvinyl alcohol multifilament yarn Process for producing polyvinyl alcohol multifilament yarn

1993-10-29

1994-08-23

Michl, Paul R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

525 56, 525 57, 525 62, D01F 614, C08F 1606, C08F 800, C08G 6348

Patent

active

053405226

ABSTRACT:
A multifilament yarn of polyvinyl alcohol having a degree of polymerization of at least 1500, the yarn having a tensile strength of at least 10 g/d and an index of hot water resistance of at least 50.

REFERENCES:
patent: 2169250 (1939-08-01), Izard et al.
patent: 3736311 (1973-05-01), Subramanian
patent: 4599267 (1986-07-01), Kwon et al.
patent: 4765937 (1988-08-01), Hyon et al.
patent: 4971861 (1990-11-01), Watanabe et al.

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