Process of making oriented film or structure

Details Process of making oriented film or structure Process of making oriented film or structure

1994-05-06

1995-11-21

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Stretching or stretch forming

156229, 15624411, 15624414, 2642093, 2642101, 2642108, 264216, 2642884, 2642902, 2642905, 264564, 427172, 427173, B29C 5502, B29C 5522

Patent

active

054684404

ABSTRACT:
Applications of isotactic polypropylene resin compositions produced from metallocene catalyst wherein the resins yield articles with comparable shear modulus and heat distortion temperature values to those of conventional polypropylene, but in which the fabrication of the article is achieved at temperatures much lower than possible for conventional polypropylene.

REFERENCES:
patent: 5145819 (1992-09-01), Winter et al.
patent: 5198401 (1993-03-01), Turner et al.
patent: 5240894 (1993-08-01), Burkhardt et al.
patent: 5241031 (1993-08-01), Mehta
patent: 5278119 (1994-01-01), Turner et al.
patent: 5296434 (1994-03-01), Karl et al.
patent: 5322728 (1994-06-01), Davey et al.
patent: 5393599 (1995-02-01), Quantrille et al.
Walter Spaleck, A. Winter, B. Bachmann, V. Dolle, F. Kuber, and J. Rohrmann, "New Isotactic Polypropylenes by Metallocene Catalysts", MetCon '93, Houston, Tex., May 26-28, 1993, pp. 189-200.

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