Process for the preparation of fibers

Details Process for the preparation of fibers Process for the preparation of fibers

1983-02-22

1984-12-04

Page, Thurman K.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

4272082, 427221, 427355, 427369, 427375, 427444, 427445, D02G 300, B05D 510

Patent

active

044865015

ABSTRACT:
Fibers coated with polymer are prepared by adding the polymer to a fiber material, typically cellulose pulp, and subjecting the fiber material with the added polymer to impact of grinding forces in a defibrator, typically a hammer mill. The resulting fibers are very efficiently coated with the polymer and are suitable as binder fibers in fibrous materials consisting completely or partially of the coated fibers bonded through the polymer, and as reinforcing fibers in fiber-reinforced cement products. The polymer is preferably applied as a hot melt, and the defibration is performed immediately after the application.

REFERENCES:
patent: 2402160 (1946-06-01), Heritage
patent: 2759837 (1956-08-01), Roberts
patent: 3668195 (1972-06-01), van der Geer
patent: 3684564 (1972-08-01), Lefrancois
patent: 3922418 (1975-11-01), Lauchenauer
patent: 3950218 (1976-04-01), Levesque
patent: 4059715 (1977-11-01), Pletcher
patent: 4154357 (1979-05-01), Sheard et al.
patent: 4160059 (1979-07-01), Samejima
patent: 4244999 (1981-01-01), Koula

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