Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-04-07
1998-03-10
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524306, 524308, 524310, 525176, 525177, 525227, 525239, 428518, 428520, C08K 515, C08K 511, C08L 6702, C08L 2708
Patent
active
057262292
ABSTRACT:
An extrudable vinylidene chloride composition is useful in packaging films where controlled CO.sub.2 and O.sub.2 transmission rates benefit the packaging of products such as gassing cheese. The composition, and film made therefrom, comprises 100 parts by weight of at least one vinylidene chloride copolymer; between 4 and 15 parts by weight of a plasticizer; and between 4 and 15 parts by weight of an acrylate/styrene copolymer; wherein the total amount of plasticizer and acrylate/styrene copolymer comprises at least 9 parts by weight.
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Burleson David G.
Quatt Mark B.
Szekely Peter A.
W. R. Grace & Co.,-Conn.
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