Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1980-08-01
1982-02-23
Seccuro, Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C08L 2320, C08L 2312
Patent
active
043169708
ABSTRACT:
A heat sealable blend of a butene-1-ethylene copolymer and about 2 to 9% by weight of polypropylene can be used to form film exhibiting improved heat sealing characteristics, processability, tear strength and other properties.
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patent: 4136501 (1979-01-01), Connolly
patent: 4169910 (1979-10-01), Graboski
Witco Chemical Polymer Division Polybutylene Brochure, 4 pp., (1977?).
Abstract of Netherlands 6707690 12/4/67.
Seccuro Carman J.
Shell Oil Company
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