Using a solvent for in-situ formation of fibers in an elastomer

Details Using a solvent for in-situ formation of fibers in an elastomer Using a solvent for in-situ formation of fibers in an elastomer

1990-08-23

1991-12-31

Michl, Paul R.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524 37, 524 39, 524 41, 525146, 525152, 525177, 525178, 525180, 525184, C08F 800

Patent

active

050773380

ABSTRACT:
A method of preparing a fiber reinforced elastomer by forming fibers therein in-situ and an elastomer made thereby are provided. In the method, a fiber forming material, preferably a high performance polymer, is dissolved in a compatible solvent to form a solvent/polymer mixture, and the mixture is added to the elastomer during compounding or mixing. The polymer is quickly dispersed into the elastomer, and the solvent rapidly evaporates. The shear of the mixer causes elongation of the polymer into fibers. The fibers may also be oriented by the shear of the mixer.

REFERENCES:
patent: 3005795 (1961-10-01), Busse et al.
patent: 3062702 (1962-11-01), Parrish et al.
patent: 3474050 (1969-10-01), Chappelear et al.
patent: 4263184 (1981-04-01), Leo et al.
patent: 4328133 (1982-05-01), Ogawa et al.
patent: 4543377 (1985-09-01), Crossman
patent: 4842933 (1989-06-01), Cizmecioglu

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