Surface treatment of polyolefin objects

Details Surface treatment of polyolefin objects Surface treatment of polyolefin objects

1988-06-24

1990-10-16

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264204, 264205, 2642104, 2642108, 26421117, 2642112, 264344, 5253338, 525387, B29C 7100, B29C 7104

Patent

active

049632990

ABSTRACT:
The invention relates to a process for the treatment of surfaces of highly oriented polyolefin objects, obtained by converting a solution or melt of a linear polyolefin with a weight average molecular weight of at least 400.000 g/mol, at a temperature above the dissolution temperature, respectively above the melting temperature, into a shaped object, converting this object into a gel-object by cooling, and stretching the gel-object at elevated temperature optionally after full or partial removal of the solvent, in which the surface of the object is contacted with a solution of a radical-forming compound and that the object is then exposed to a temperature of at least 30.degree. C. for at least 1 minute.

REFERENCES:
patent: 4403012 (1983-09-01), Harpell et al.
patent: 4457985 (1984-07-01), Harpell et al.

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