Anti-yellowing molding compositions

Details Anti-yellowing molding compositions Anti-yellowing molding compositions

1996-12-23

1998-09-22

Acquah, Samuel A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 11, 525 31, 525 43, 525168, 525437, 525438, 5254445, 525445, 524115, 524123, 524126, 524127, 524128, 524221, C08K 549, C08F 800, C08F 2000

Patent

active

058114785

ABSTRACT:
Molding compositions comprising certain epoxy compounds, at least one antioxidant, an unsaturated thermosetting resin and an olefinically unsaturated monomer are disclosed. The disclosed compositions can provide enhanced yellowing resistance to articles molded from the compositions, particularly when the molding compositions contain white pigment. Processes from molding articles having enhanced yellowing resistance are also disclosed.

REFERENCES:
patent: 4491642 (1985-01-01), Atkins
patent: 4524162 (1985-06-01), Domeier
patent: 4525498 (1985-06-01), Atkins et al.
patent: 4555534 (1985-11-01), Atkins
patent: 4673706 (1987-06-01), Atkins
patent: 5194334 (1993-03-01), Uerdingen et al.
Advances in Pigmentation of Low Profile Composites, Part IV--K.E. Atkins, G.C. Rex and R.L. Seats, Reprinted from 51st Annual Conference and Expo '96 Proceedings of the SPI/CI 51st Annual Conference GE Specialty Chemicals, Inc. Product Guide CA-40011.

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