Corrosion and split resistant plastic materials

Details Corrosion and split resistant plastic materials Corrosion and split resistant plastic materials

1989-01-06

1990-10-16

Short, Patricia

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

525 64, 525166, 525177, 428910, C08L 6702

Patent

active

049634305

ABSTRACT:
A flexible oriented plastic sheet of high tensile strength and which is resistant to corrosion and highly resistant to splitting when penetrated by a pointed article. The flexible oriented sheet of the invention can be cut into desired shapes and sizes so as to be useful in a variety of applications, such as roofing batten bars and fencing materials, which require high resistance to splitting and fastener pull-through. The sheets are produced by melt extruding and orienting a composition comprising a major amount of polyethylene terephthalate (PET) and a minor amount of a polyolefin, preferably polypropylene.

REFERENCES:
patent: 3354023 (1967-11-01), Dunnington
patent: 3579609 (1971-05-01), Sevenich
patent: 3944699 (1976-03-01), Mathews
patent: 4368295 (1983-01-01), Newton
patent: 4771108 (1988-09-01), Mackenzie

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