Unique molecular weight distribution polybutylene blend and film

Details Unique molecular weight distribution polybutylene blend and film Unique molecular weight distribution polybutylene blend and film

1985-08-30

1987-06-30

Seccuro, Carman J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428516, 525240, 525192, 525193, 525194, 525335, 525387, 528481, 528491, 528503, C08L 2320, C08L 2326

Patent

active

046770259

ABSTRACT:
An unusual polybutene-1 polymer blend based on the ability of polybutene-1 to undergo random scission of molecules in a chemical cracking process. Such cracked polymer when blended back with the parent polybutene-1 produces a unique molecular weight distribution which is manifested in a unique and valuable combination of processing behavior and mechanical, optical and thermal properties of film made from the blend. Good hot tack, low heat sealing temperature and high clarity as well as improved processability are simultaneously achieved in these films.

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