Granule for a thermoplastic end product comprising a mineral and

Details Granule for a thermoplastic end product comprising a mineral and Granule for a thermoplastic end product comprising a mineral and

1998-04-02

2000-11-28

Seidleck, James J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523211, 524425, C08K 910, C08K 912

Patent

active

061536709

ABSTRACT:
A granule containing a high proportion of a mineral filler and a colorant pigment system in a thermoplastic binder, for blending with an end product thermoplastic in which the mineral filler and the colorant pigment is to be dispersed. The granule comprises 85% to 92% by weight of the granule of mineral particles, which is coated with one or more fatty acids having a carbon chain length of from 12 to 20 carbon atoms and the colorant pigment. The colorant pigment may be inorganic or organic or a mixture thereof. The balance of the granule by weight comprises a thermoplastic polymeric binder. The particle size distribution of both the mineral and the colorant particles is in accordance with the optimum particle packing equation to optimize packing of the particles in the granule. The ratio of mineral to colorant pigment to binder may be about 75:15:10 or about 0.1:89.9:10. The invention includes a granule with only a colorant pigment system.

REFERENCES:
patent: 4455344 (1984-06-01), Matsuyama et al.
patent: 4803231 (1989-02-01), Seinera et al.
patent: 4898620 (1990-02-01), Rayfield et al.
patent: 5744530 (1998-04-01), Skelhorn

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