Method of preparing packaging material for photographic photosen

Details Method of preparing packaging material for photographic photosen Method of preparing packaging material for photographic photosen

1992-05-06

1993-11-16

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524495, 524487, C08K 304

Patent

active

052624714

ABSTRACT:
A resin composition for masterbatch, which comprises 5 to 90 wt. % of modified polyolefin resin and 5 to 70 wt. % of carbon black having a mean particle size of 15 to 120 m.mu. and an oil absorption value of more than 50 ml/100 g of which volatile components are less than 3.5 wt. %. The fluidity of the resin composition for masterbatch of the invention is excellent even in a high concentration of carbon black, and is uniformly dispersed in a base resin in a short time.

REFERENCES:
patent: 4002595 (1977-01-01), Adelman
patent: 4701359 (1987-10-01), Akao
patent: 4871613 (1989-10-01), Akao
patent: 4876129 (1989-10-01), Akao
patent: 5047462 (1991-09-01), Kehr et al.
patent: 5081170 (1992-01-01), Yagi et al.
patent: 5115067 (1992-05-01), Yagi et al.

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