Method of manufacturing polyacetal resin film

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Production of continuous or running length

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2642091, 26433122, 528230, 528270, B29C 4904, B29C 4908, C08G 200, C08G 600

Patent

active

048790850

ABSTRACT:
A polyacetal resin is manufactured by an improvement whereby a polyacetal resin having a melt index (MI) of 0.3.about.5.0 is formed into film by an inflation process within an extrusion resin temperature range according to the following equation: ##EQU1##

REFERENCES:
patent: 2904844 (1959-09-01), Smithies
patent: 3933965 (1976-01-01), Gallone et al.
patent: 4654179 (1987-03-01), Cartier et al.
patent: 4668761 (1987-05-01), Aoshima et al.

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