Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
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.
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Database WIPL, Abstracts No. 88-177765 and JP 63-113057 (May 18, 1988).
Fujii Takeshi
Fukuda Katsuyasu
Hori Shinichi
Kurioka Yukio
Mitsuno Tatsuyuki
Guarriello John J.
Michl Paul R.
Sumika Color Company, Ltd.
Sumitomo Chemical Company Ltd.
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