C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
117/206, 400/920
C08K 3/30 (2006.01) C08J 7/04 (2006.01) C08K 5/09 (2006.01) C08K 5/16 (2006.01) C08L 27/08 (2006.01)
Patent
CA 1120166
ABSTRACT A heat-scalable coating composition for organic polymeric films such as regenerated cellulose film that provides good runnability properties of the coated films on automatic packaging machines, comprising a conventional heat- sealable vinylidene chloride copolymer coating composition containing from about .4 to 1.5% by weight of an alkali metal salt of lauryl sulfate and from about .2 to 1.0% by weight of an alkaline earth metal stearate, alkali metal stearate, or ammonium stearate. In addition, the composition may also con- tain from .4 to 1.0% lecithin. The coating composition provides good packaging machine runnability properties in a single coating on organic polymeric films without impairing heat-sealability, and its appearance in response to high rela-tive humidity exposure can be varied in degrees of antifogging characteristics by adjustment of the sulfate and stearate additive concentrations.
310980
Olin Corporation
Swabey Ogilvy Renault
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