Process for medical articles of syndiotactic polypropylene

Details Process for medical articles of syndiotactic polypropylene Process for medical articles of syndiotactic polypropylene

1996-07-19

1998-02-24

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

26432816, 26433117, B29C 4573

Patent

active

057209162

ABSTRACT:
Syndiotactic polypropylene is blended with isotactic polypropylene and the blend melt processed into medical articles. The blends have molding cycle times which are up to 12 times shorter that for pure syndiotactic polypropylene.

REFERENCES:
patent: 4239862 (1980-12-01), Matthews
patent: 5200131 (1993-04-01), Asanuma et al.
patent: 5470898 (1995-11-01), Syed
patent: 5510075 (1996-04-01), McGuire et al.
patent: 5571864 (1996-11-01), Bates et al.
patent: 5603696 (1997-02-01), Williams et al.

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