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Ask the Experts:  Glacial Acrylic Acid (GAA) Monomer

Glacial Acrylic Acid Monomer, commonly known by the acronym GAA, is an unsaturated carboxylic acid co-monomer used by Gantrade customers as a building block to produce acid-functional and crosslinked acrylic copolymers and polyacrylic acids. These copolymers and polyacrylic acids are then used to optimize a number of products including finishes, coatings, adhesives, sealants, inks, flocculants, thickeners, dispersing agents, lubricants, saturants and plastics. 

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Comparing Glacial Acrylic Acid and Glacial Methacrylic Acid

Glacial acrylic acid (GAA) and glacial methacrylic acid (GMAA) are polymerizable, unsaturated, monocarboxylic acid monomers.  Virtually all acrylic copolymers produced commercially contain either of these two monomers at some level, depending on the specific attributes desired in the copolymers.

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Glacial Acrylic Acid Product Overview

Glacial Acrylic Acid Monomer (GAA) is an unsaturated carboxylic acid co-monomer used as a building block to produced acid functional and crosslinked acrylic copolymers and polyacrylic acids. GAA readily copolymerizes with acrylic and methacrylic esters, ethylene, vinyl acetate, styrene, butadiene, acrylonitrile, maleic esters, vinyl chloride and vinylidene chloride. Copolymers which contain GAA can be solubilized or exhibit improved dispersions in water; the carboxylic acid moiety can be used for coupling or crosslinking reactions, and improved adhesion. GAA copolymers are used in the form of their free acid, ammonium salts or alkali salts. These polymeric uses for GAA account for approximately 45 % of the consumption of acrylic acid monomer (the manufacture of acrylate esters is the other major use).

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