Crimped acrylic fibers having improved thixotropic performance

Details Crimped acrylic fibers having improved thixotropic performance Crimped acrylic fibers having improved thixotropic performance

1993-03-12

1994-11-08

Zitomer, Fred

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428359, 428394, 428397, 428401, 526341, 526342, D02G 322, D02G 100

Patent

active

053625625

ABSTRACT:
Crimped acrylic fibers with a small diameter, a minimum aspect ratio in the 20-50 range, and having a crimp of greater than about 10% so as to enhance the viscosity of polymers, resistance to gravity-induced slumping when applied to vertical surfaces, and mix stability, as well as provide matrix reinforcement and toughness, are adapted to act as improved physical thixotropes in adhesives, sealants, coatings, paints, grouts, building materials and the like.

REFERENCES:
patent: 4025672 (1977-05-01), Hossenfelder
patent: 4038452 (1977-07-01), Kobayashi
patent: 4691002 (1987-09-01), Hegemann
patent: 4820585 (1989-04-01), Tedesco et al.
patent: 4866109 (1989-09-01), Hibbard et al.
patent: 4927710 (1990-05-01), Tanaka et al.
patent: 5236499 (1993-08-01), Chervenak
A. Frances, "Kevlar.RTM. Pulp for Viscosity", Research Disclosure, Apr. 1987, pp. 263-264.

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