Plasticized polyesters for shrink film applications

Details Plasticized polyesters for shrink film applications Plasticized polyesters for shrink film applications

1995-03-24

1996-07-09

Page, Thurman K.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524127, 524292, 524298, 524310, 524318, 524605, C08J 518, C08K 515

Patent

active

055345700

ABSTRACT:
This invention relates to polyester/plasticizer blends which are useful as heat-shrinkable films or sheet in low temperature shrink packaging applications. The plasticizer is injected into the melt of the polyester. The plasticizer lowers the glass transition temperature, on-set temperature and shrink rate of the polyester. Film or sheet produced by the polyester/plasticizer blends is clear.

REFERENCES:
patent: 3915933 (1975-10-01), Kohno et al.
patent: 4059667 (1977-11-01), Pangonis
patent: 4486561 (1984-12-01), Chung et al.
patent: 4539352 (1985-09-01), Chung et al.
patent: 4879355 (1989-11-01), Light et al.
patent: 4963418 (1990-10-01), Isaka et al.
patent: 4996291 (1991-02-01), Yoshinaka et al.

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