Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1984-06-27
1985-07-09
Lieberman, Allan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524271, 524515, C08K 520, C08L 2306, C08L 2310, C08L 9304
Patent
active
045283125
ABSTRACT:
This invention relates to novel blends containing degraded crystalline polypropylene or propylene containing copolymer, low density polyethylene, hydrocarbon tackifying resin, and a fatty acid amide useful as extrusion coating compositions which provide coatings having good coatability and good heat sealability. These coated substrates then can be used in fabricating bags and other packaging applications. Particularly, these coatings are a blend of a degraded crystalline polypropylene, or propylene containing copolymer, low density polyethylene, hydrocarbon tackifying resin, and a fatty acid amide containing 16 to 40 carbon atoms.
REFERENCES:
patent: 3143539 (1964-08-01), Farhat et al.
patent: 3176021 (1965-03-01), Volangis et al.
patent: 3330796 (1967-07-01), Mock et al.
patent: 3341621 (1967-09-01), Hagemeyer, Jr. et al.
patent: 4394474 (1983-07-01), McKinney et al.
Eastman Kodak Company
Lieberman Allan M.
Reece III Daniel B.
Tootle Clyde L.
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