C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 116/06 (2006.01) A01N 33/12 (2006.01) A01N 43/40 (2006.01) A01N 43/80 (2006.01) A01N 47/44 (2006.01) C08J 3/03 (2006.01) C08L 23/08 (2006.01) C08L 27/06 (2006.01) C08L 31/04 (2006.01)
Patent
CA 2356164
This invention is directed to a method of preserving colloid-stabilized polymer emulsions against microbial attack and spoilage using selected cationic compounds. It is also directed to compositions containing colloid-stabilized polymer emulsions and cationic compounds that are resistant to contamination with biodeteriogenic microbes. It has been discovered that specific cationic compounds are particularly effective against biodeteriogenic microbes in preserving polymer emulsions that have been stabilized with protective colloids, such as poly(vinyl alcohol). Examples of suitable microbicidal cationic compounds are: substituted pyridinium salts, substituted guanidine salts, tetrasubstituted ammonium salts, and polymeric cationic compounds.
Rabasco John Joseph
Sagl Dennis
Air Products Polymers L.p.
Mcfadden Fincham
Wacker Chemical Corporation
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