Title:
A master batch, resin-molding material, forming objects, these manufacturing methods, a valuation method of a master batch
Document Type and Number:
Japanese Patent JP6277335
Kind Code:
B2
Abstract:
The masterbatch contains a black pigment and a masterbatch thermoplastic resin, the masterbatch satisfying the following conditions:
(Conditions)
when a resin plate is produced by kneading 100 parts by weight of polypropylene having a melt flow rate of 30 g/10 min (JIS K7210:1999) and a density of 0.9 g/cm 3 (JIS K7112:1999) with respect to 3 parts by weight of the masterbatch and subjecting the mixture to injection molding using a mold polished by a coated abrasive with a particle size of #800 (JIS R6001:1998), a* values and b* values of a surface of the resin plate in the L*a*b* color system satisfy specific conditions.
Inventors:
Atsushi Inoue
Application Number:
JP2017561995A
Publication Date:
February 07, 2018
Filing Date:
December 20, 2016
Export Citation:
Assignee:
Tokyo Ink Co., Ltd.
International Classes:
C08J3/22
Domestic Patent References:
| JP5194825A | ||||
| JP995592A | ||||
| JP2007333726A | ||||
| JP2013209494A | ||||
| JP2013526624A | ||||
| JP2015505745A | ||||
| JP2016210984A |
Attorney, Agent or Firm:
Shinji Hayami