Polymers and rotationally molding same

Details Polymers and rotationally molding same Polymers and rotationally molding same

1977-05-31

1978-09-19

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

260 4242, 526 19, 526 21, 526 57, B29C 504, C08K 304

Patent

active

041155084

ABSTRACT:
A composition that can be rotationally molded with a minimum formation of bubbles comprises solid polymer, a cross-linking agent, a solid pigment in an amount to provide a surface area up to 30 m.sup.2 /100 grams of polymer, and a transition metal catalyst residue content of less than about 3 parts per million.

REFERENCES:
patent: 3214422 (1965-10-01), Mageli et al.
patent: 3415799 (1968-12-01), Helm
patent: 3836595 (1974-09-01), Johnson et al.
patent: 3959178 (1976-05-01), Hogan
Williams et al., Tech. Ser. Report., "The Effect of the Chemical and Physical Properties of Carbon Black on its Performance in Polyethylene", Cabot Corp. 1963, pp. 38-41.

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