Paper felts or mats

Details Paper felts or mats Paper felts or mats

1990-02-26

1991-03-26

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524460, 162158, C08L 5106, C08F26702

Patent

active

050029827

ABSTRACT:
A paper felt or mat is made from an aqueous slurry or dispersion of kraft wood pulp, a number of compounding ingredients such as finely divided inorganic pigments and fillers, a binder, an anionic latex of a copolymer wherein the core of the copolymer comprises a copolymer of a vinyl aryl monomer and a dicarboxylic acid monomer such as fumaric acid and/or itaconic acid and wherein the shell comprises a copolymer of a vinyl aryl monomer, a conjugated diene monomer, a glycidyl monomer such as glycidyl acrylate and/or glycidyl methacrylate and optionally a monocarboxylic acid monomer such as acrylic acid and/or methacrylic acid. The mat of this invention exhibits improved properties over mats made from other latex binders.

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