Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1990-04-12
1991-06-11
Buffalow, Edith
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 354, 428349, 4284744, 4284758, 4284763, 428516, 426127, 206484, 1562722, B32B 2708
Patent
active
050231219
ABSTRACT:
An easily opened package is made by heat sealing a first web to a second web. The sealing layer of the first web is a blend of polybutene and polypropylene with a third polymeric material of ethylene vinyl acetate copolymer. Low density polyethylene, linear low density polyethylene, or ionomer. The sealant layer of the second web is ethylene vinyl acetate copolymer, low density polyethylene, linear low density polyethylene or ionomer.
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Polybutylene Blends as Easy Open Seal Coats for Flexible Packaging and Lidding, by Charles C. Hwo, Presented at 1987 TAPPI Polymers, Laminations and Coatings Conference at San Francisco, Calif., Sep. 9-11, 1987.
Christenberry Carl C.
Pockat Gregory R.
Satterwhite Paul J.
Buffalow Edith
Gregory Leigh P.
Lee, Jr. William D.
Toney John J.
W. R. Grace & Co.,-Conn.
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