Heat shrinkable polyvinyl chloride film with methyl methacrylate

Details Heat shrinkable polyvinyl chloride film with methyl methacrylate Heat shrinkable polyvinyl chloride film with methyl methacrylate

1979-02-14

1981-01-27

Henderson, C. A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

156 85, 206432, 206497, 2642884, 2642902, 264DIG71, 428910, C08L 3310, C08L 338, C08L 3312

Patent

active

042476631

ABSTRACT:
A heat shrinkable polyvinyl chloride film which shrinks more than 60% in one direction or more than 75% as an area shrinkage is prepared by stretching a film comprising 5 to 25 wt. parts of a methyl methacrylate type copolymer and 100 wt. parts of polyvinyl chloride at a special high stretch ratio.

REFERENCES:
patent: 3254146 (1966-05-01), Quinn
patent: 3570051 (1971-03-01), Zygan
patent: 3957917 (1976-05-01), Kitaguchi
patent: 3969469 (1976-07-01), Love
patent: 4003963 (1977-01-01), Creasy
patent: 4113681 (1978-09-01), Harmuth
patent: 4115479 (1978-09-01), Daidone

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