Colorants for use in opacified thermoplastic resins

Details Colorants for use in opacified thermoplastic resins Colorants for use in opacified thermoplastic resins

1992-05-22

1993-08-31

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 83, 524 84, 524 87, 524 88, 524159, 524167, 524420, 524423, 524425, 524445, 524497, 524583, 524585, 8403, 8506, C08K 523, C08K 326, C08K 322, D06P 300

Patent

active

052409805

ABSTRACT:
An opacified, semi-crystalline thermoplastic resin composition is provided having a poly(alkyleneoxy) substituted organic chromophore distributed throughout in an amount sufficient to color the resin. The resin composition is particularly useful for molding parts with strict dimensional tolerances as shrinkage of the molded part is minimal.

REFERENCES:
patent: 3669922 (1972-06-01), Bartsch et al.
patent: 4209430 (1980-06-01), Weber
patent: 4594221 (1986-06-01), Mohnhaupt et al.
patent: 4732570 (1988-03-01), Baumgartner et al.
patent: 4758396 (1988-07-01), Crass et al.
patent: 4978362 (1990-12-01), Kluger et al.

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