Flexible label film from polyethylene and calcium carbonate-poly

Details Flexible label film from polyethylene and calcium carbonate-poly Flexible label film from polyethylene and calcium carbonate-poly

1990-03-08

1991-11-12

Henderson, Christopher

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524528, C08L 2306, C08K 326

Patent

active

050648934

ABSTRACT:
Polyethylene films having improved diecutability and compositions for the production thereof comprise from approximately 75% to about 95% of a polyethylene polymer and from about 5% to about 25% of a calcium carbonate filler. Preferably, the calcium carbonate filler comprises polybutylene and solid calcium carbonate having a particle size less than about 3.0 microns. The film produced from the composition is from approximately 1 mil to about 10 mils in thickness. The film can be produced using conventional blown film technology and equipment and has improved diecutability and printability. Thus, the film is readily adaptable to the production of diecut labels.

REFERENCES:
patent: 4587303 (1986-05-01), Turtle
patent: 4657982 (1987-04-01), Breck
patent: 4803231 (1989-02-01), Seinerg
patent: 4911985 (1990-03-01), Jenkins

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