Method for the preparation of a vinylidene chloride interpolymer film
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United States of America Patent
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Aug 23, 1988
Issued Date -
N/A
app pub date -
Jun 17, 1987
filing date -
Oct 1, 1984
priority date (Note) -
Expired
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Abstract
This invention is directed to a method of forming a vinylidene chloride interpolymer having enhanced barrier to atmospheric gas and water vapor. This enhanced barrier is achieved by fabricating the vinylidene chloride interpolymer into an article in a manner which allows between about 5 and about 50 percent crystallization to occur in the vinylidene chloride interpolymer while at a temperature above about 90.degree. C. and before it is allowed to cool below about 90.degree. C.
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