Pigment master batch for filler-containing polypropylene composi

Details Pigment master batch for filler-containing polypropylene composi Pigment master batch for filler-containing polypropylene composi

1991-03-26

1993-06-15

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524394, 524449, 524451, C08J 320

Patent

active

052199037

ABSTRACT:
A pigment master batch suitable for filler-containing polypropylene compositions is provided. This pigment master batch comprises 100 parts by weight of a propylene homopolymer having a melt flow rate of at least 10 g/10 min. and 30-200 parts by weight of a processed pigment prepared by using a metallic salt of a fatty acid, a polyethylene wax or a polypropylene wax as a dispersion medium for pigment. A filler-containing polypropylone composition in which the above pigment master batch is incorporated is superior in dispersibility and balance of properties and can easily be processed into molded articles which are superior in balance of properties such as heat resistance, impact resistance and rigidity.

REFERENCES:
patent: 3767444 (1973-10-01), Zeisberger
patent: 3888679 (1975-06-01), Komatsu et al.
patent: 4235641 (1980-11-01), Engelmann et al.
patent: 4309323 (1982-01-01), Orioff et al.
patent: 4650747 (1987-03-01), Uno et al.
patent: 5023286 (1991-06-01), Abe et al.
patent: 5041259 (1991-08-01), Fujii et al.
Database WIPL, Abstracts No. 88-177765 and JP 63-113057 (May 18, 1988).

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