Producing glass-reinforced polyolefin compositions

Details Producing glass-reinforced polyolefin compositions Producing glass-reinforced polyolefin compositions

1972-08-30

1977-01-18

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4246, C08K 714

Patent

active

040038742

ABSTRACT:
A modified polyolefin obtained by adding to 100 parts by weight of a polyolefin 0.01 to 0.8 parts by weight of an unsaturated carboxylic acid or anhydride thereof having 3 to 8 carbon atoms in the molecule and 0.05 to 0.5 parts by weight of an organic peroxide and melt-mixing these components in an extruder, has an outstanding adhesion to glass fibers. A blend of such a modified polyolefin filled with glass reinforcements has excellent physical properties as well as excellent appearance. The modification of polyolefin may be effected in the presence of a glass reinforcement to achieve both modification and mixing in a single stage, resulting in a composition with superior physical properties owing to improved dispersion and least break down of the glass reinforcement.

REFERENCES:
patent: 3177269 (1965-04-01), Nowak
patent: 3308090 (1967-03-01), Falcone
patent: 3416990 (1968-12-01), Robinson
patent: 3437550 (1969-04-01), Paul
patent: 3579476 (1971-05-01), Rieke
patent: 3733300 (1973-05-01), Fujita

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