24-01-2019 дата публикации
Номер: US20190023858A1
Принадлежит:
The masterbatch contains a black pigment and a masterbatch thermoplastic resin, the masterbatch satisfying the following conditions: 1. A masterbatch comprising:a black pigment; anda masterbatch thermoplastic resin,wherein the masterbatch satisfies the following conditions:(conditions){'sup': '3', '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(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),'} [{'br': None, 'i': D', 'a', '−a', 'b', '−b', 'a', '−a', 'b', '−b', 'a', '−a', 'b', '−b, 'sub': 20', '45', '20', '45', '45', '75', '45', '75', '75', '110', '75', '110, 'sup': 2', '2', '1/2', '2', '2', '1/2', '2', '2', '1/2, '=[(* value* value)+(* value* value)]+[(* value* value)+(* value* value)]+[(* value* value)+(* value* value)]\u2003\u2003(1)'}, {'br': None, 'i': 'D<', '4.3\u2003\u2003(2)'}, {'br': None, 'i': 'a*<', 'Δ2.5\u2003\u2003(3)'}, {'br': None, 'i': 'b*<', 'Δ3.6\u2003\u2003(4)'}], 'a* values and b* values of a surface of the resin plate in the L*a*b* color system satisfy Expressions (1) to (4){'sub': 20', '45', '75', '110', '20', '45', '75', '110, 'claim-text': [{'br': None, 'i': a', 'a', ',a', ',a', 'a', 'a', ',a', ',a', 'a, 'sub': 20', '45', '75', '110', '20', '45', '75', '110, 'Δ*=(maximum value among * value* value* value, and * value)−(minimum value among * value* value* value, and * value)'}, {'br': None, 'i': b', 'b', ',b', ',b', 'b', 'b', ',b', ',b', 'b, 'sub': 20', '45', '75', '110', '20', '45', '75', '110, 'Δ*=(maximum value among * value* value* value, and * value)−(minimum value among * value* value* value, and * value)).'}], '(wherein in the Expressions, a* value, a* value, a* value, a* value, b* value, b* value, b* value, and b* valuerepresent respective a* values and b* values when ...
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