Blow bottles of polyolefin resin

Details Blow bottles of polyolefin resin Blow bottles of polyolefin resin

1995-10-17

1997-08-19

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 357, 428516, 215400, B29D 2300

Patent

active

056586280

ABSTRACT:
The present invention provides blow bottles of a polyolefin resin having excellent transparency by the utilization of characteristics of the polypropylene. That is, they are the blow bottles of a polyolefin resin obtained by subjecting, to an extrusion blow molding method, a composition having a melt flow rate at 230.degree. C. of 0.5 to 10 g/10 minutes prepared by blending (A) 70 to 99.99% by weight of a propylene random copolymer of multi-component system having a crystalline melting point of 110.degree. to 145.degree. C. and containing 3 to 10% by weight of ethylene units with (B) a certain amount of two or three kinds of polyethylenes selected from 15 to 0.01% by weight of a straight-chain low-density polyethylene, 4 to 0.01% by weight of a low-density polyethylene and 4 to 0.01% by weight of a high-density polyethylene.

REFERENCES:
patent: 4500681 (1985-02-01), Shulman
patent: 4577768 (1986-03-01), Go et al.
patent: 4845145 (1989-07-01), Hazelton et al.
patent: 4943615 (1990-07-01), Yamawaki
patent: 5041491 (1991-08-01), Turke et al.

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