Expansible polymer molding process and the resultant product

Details Expansible polymer molding process and the resultant product Expansible polymer molding process and the resultant product

1983-12-12

1985-07-30

Anderson, Philip

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 53, 264DIG5, 264DIG9, 425 4R, 521131, 521134, 521139, 521187, 521189, B29D 2700, C08G 1814

Patent

active

045322635

ABSTRACT:
A method for forming a molded polymer foam structure comprising expanding solvent imbibed polymer particles selected from the group consisting of a polyetherimide, a polycarbonate and a polyphenylene oxide-polystyrene blend and fusing the expanded particles together in a mold.

REFERENCES:
patent: 2442940 (1948-06-01), Staudinger et al.
patent: 2787809 (1957-04-01), Stastny
patent: 3787364 (1974-01-01), Wirth et al.
patent: 4024110 (1977-05-01), Takekoshi
patent: 4284733 (1981-08-01), Russo
White, D. M., T. Takekoshi, F. J. Williams, A. R. Relles, P. E. Donahue, H. J. Klopfer, G. R. Loucks, J. S. Manello, R. O. Matthews, and R. W. Schluentz, "Polyetherimides Via Nitro-Displacement Polymerization: Monomer Synthesis and .sup.13 C-NMR Analysis of Monomers and Polymers", in Journal of Polymer Science, Polymer Chemistry Edition, vol. 19, No. 7, pp. 1635-1658.

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