Linear ethylene copolymer

Details Linear ethylene copolymer Linear ethylene copolymer

1984-10-22

1987-05-26

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526125, 5263483, 5263484, 5263485, 5263486, C08F21016

Patent

active

046687521

ABSTRACT:
Ethylene/C.sub.4 -C.sub.20 alpha-olefin copolymers are disclosed which have new characteristics in regard to composition distribution, degree of branching, randomness and crystallinity by DSC melting points. These copolymers have excellent transparency, impact strength, tear strength, blocking resistance, environmental stress cracking resistance, heat resistance and low-temperature heat sealability in a well-balanced combination when they have a density of at least 0.90. When their density is less than 0.90, these copolymers have particularly excellent transparency, impact strength and low-temperature heat sealability, and by incorporating them in various thermoplastic resins, they serve as an excellent modifier for improved impact strength and low-temperature heat sealability.

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