Molding resins and UV-transparent molds made from the resins

Details Molding resins and UV-transparent molds made from the resins Molding resins and UV-transparent molds made from the resins

1992-07-21

1994-01-04

Berman, Susan

Static molds

Container-type molding device

Of named component

264 22, 264257, 522 24, 522 60, 522 96, 526301, 526319, 526346, B29C 3502, B28B 734, B27N 310, C08F 2602

Patent

active

052753727

ABSTRACT:
UV-transparent forming tools or molds are prepared for molding resins comprising a urethane acrylate, e.g. urethane dimethacrylate oligomer, and an alpha,beta-ethylenically unsaturated monomer, e.g., styrene, cured in the presence of a peroxide initiator. The resins are tough, durable and have a wide range of other desirable properties.

REFERENCES:
patent: 3297745 (1967-01-01), Fekete et al.
patent: 3700643 (1972-10-01), Smith et al.
patent: 3907751 (1975-09-01), Knight et al.
patent: 4073835 (1978-02-01), Otsuki et al.
patent: 4092443 (1978-05-01), Green
patent: 4650845 (1987-03-01), Hegel
patent: 5169571 (1992-12-01), Buckley

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