Poly(p-phenylene terephthalamide) pulp

Details Poly(p-phenylene terephthalamide) pulp Poly(p-phenylene terephthalamide) pulp

1994-09-29

1996-07-02

Carrillo, Ana L.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Staple length fiber

525182, C08L 7706, D02G 300

Patent

active

055320597

ABSTRACT:
A fibrous pulp of a combination of poly(p-phenylene terephthalamide) and poly(vinyl pyrrolidone) is provided, along with a process for making it. The process involves conducting a poly(p-phenylene terephthalamide polymerization reaction in the presence of poly(vinyl pyrrolidone) and the product is an improved pulp with increased fibrils and no fiber stalks.

REFERENCES:
patent: 3036988 (1962-05-01), Knospe et al.
patent: 3211807 (1965-10-01), Gillies et al.
patent: 3287441 (1966-11-01), Magat
patent: 3564075 (1971-02-01), Hermann et al.
patent: 4511623 (1985-04-01), Yoon et al.
patent: 4959453 (1990-09-01), Sweeny
patent: 5028372 (1991-07-01), Brierre
patent: 5073440 (1991-12-01), Lee
patent: 5135687 (1992-08-01), Lee

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