Method of making functionalized styrene butadiene type latex binders
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United States of America Patent
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May 13, 1997
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N/A
app pub date -
Aug 6, 1990
filing date -
Aug 6, 1990
priority date (Note) -
Expired
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Abstract
A latex useful as a binder for paper, nonwovens, and textiles is prepared by copolymerizing in aqueous emulsion using a redox initiator at 5.degree. C. a mixture of 35 to 60% weight of a conjugated diene monomer and from about 30 to 65% by weight of a vinyl aryl monomer. Additional improvements can be obtained by incorporating in the mixture a small percentage by weight of copolymerizable monomers such as acrylic acid, methacrylic acid, itaconic acid and/or a functional type monomer having an activatable methyl, ethyl, propyl or butyl ester group and a vinyl group.
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