Polymer films containing platelet particles

Details Polymer films containing platelet particles Polymer films containing platelet particles

1986-09-29

1988-03-01

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264564, 264108, 264173, 2642106, 2642107, 2642888, 2642902, 4251331, 4253261, B29C 4706

Patent

active

047284781

ABSTRACT:
Thin polymer films containing small sized platelet type filler. The polymer has a melt index of from 0.01 to 10 grams per 10 minutes at 190.degree. C. to 250.degree. C.as measured on ASTM Test No. D-1238 at a load of 1000 to 2160 grams. The preferred polymer is polycaprolactam or high density polyethylene. There is from 10 to 50 percent of a platelet filler having an average equivalent diameter of from 1 to 8 micrometers, a maximum equivalent diameter of about 25 micrometers, and an average thickness of less than 0.5 micrometers. The preferred filler is talc. The film is from 10 to 100 micrometers thick and can be a single ply or a laminate.

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Mineral Fillers in Low Density-Polyethylene Films by Arina et al., Helsinki University of Technology.

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