B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1043, 18/978
B29C 61/00 (2006.01)
Patent
CA 1130073
ABSTRACT OF THE DISCLOSURE A heat shrinkable polyvinyl chloride film which shrinks more than 60% in one direction or more than 80% as an area shrinkage is prepared by stretching a film comprising 5 to 20 wt. parts of a vinyl chloride-vinyl acetate type copolymer having a vinyl acetate content of 10 to 15 wt. % and an average polymerization degree of more than 700 and 100 wt. parts of polyvinyl chloride at a special high stretch ratio.
328096
Nakamura Hiroshi
Ohmura Mototaka
Yoshiga Norio
Marks & Clerk
Mitsubishi Plastics Industries Limited
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