Polymer compositions containing magnetically susceptible filler

Details Polymer compositions containing magnetically susceptible filler Polymer compositions containing magnetically susceptible filler

1986-04-23

1987-11-24

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

264 24, 524431, 524432, 524433, C08K 322

Patent

active

047089768

ABSTRACT:
The invention provides a method of influencing the orientation of the polymer molecules in a melt of molecularly orientable polymer by subjecting a composition containing the polymer and a megnetically susceptible filler to a magnetic field of at least 0.005 Tesla prior to or during the formation of a shaped article from the melt. Compositions for use in the invention comprise a thermoplastic polymer and at least 0.05% by weight of a magnetically susceptible filler, particularly a ferrite. The invention is most easily applied to thermotropic polymer compositions.

REFERENCES:
patent: 3347815 (1967-10-01), Short et al.
patent: 3691130 (1972-09-01), Logvinenko
patent: 3842148 (1974-10-01), Loubier
patent: 3867299 (1975-02-01), Rohatgi
patent: 3889039 (1975-06-01), Wainer
patent: 4000229 (1976-12-01), Wainer
patent: 4321222 (1982-03-01), Moslener
patent: 4441875 (1984-04-01), Saito et al.
Hackh; Hackh's Chemical Dictionary; McGraw-Hill Book Co. Inc.; 3rd Ed., 1944; p. 847.

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