Rotational polymerization molding

Details Rotational polymerization molding Rotational polymerization molding

1985-12-20

1989-02-28

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264311, B29C 4104

Patent

active

048083640

ABSTRACT:
A method of forming rotationally molded articles without providing significant heating, the method including: (a) providing a liquid monomer solution, and rotational molding means, the molding means having an inner chamber wall defining an inner chamber, the liquid monomer solution including catalyst and monomer; (b) conveying the liquid solution into the rotational molding means; (c) rotating the rotational molding means; (d) continuing the rotation while the solution polymerizes to form an article of polymer.

REFERENCES:
patent: 3228759 (1966-01-01), Small et al.
patent: 3997645 (1976-12-01), Dempster
patent: 4400340 (1983-08-01), Klosiewicz

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