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Patent Searching and Data


Title:
PIGMENT DISPERSANT AND MASTERBATCH COMPOSITION
Document Type and Number:
Japanese Patent JP2004026887
Kind Code:
A
Abstract:

To provide a pigment dispersant which is excellent in the ability to disperse a pigment and is capable of giving a molding having an excellent appearance and to provide a masterbatch composition containing the pigment dispersion and a pigment.

The pigment dispersant comprises (a) an ethylene/α-olefin copolymer having a number-average molecular weight in the range of 500-5,000 as measured by gel permeation chromatography (GPC) and satisfying the relationship: 0.501xD-360≥ Tc [wherein Tc (°C) is the crystallization temperature as determined with a scanning colorimeter (DSC) at a temperature lowering rate of 2°C/min, and D (kg/m3) is the density as measured by a density gradient tube method].


Inventors:
TOYODA HIDEO
Application Number:
JP2002181622A
Publication Date:
January 29, 2004
Filing Date:
June 21, 2002
Export Citation:
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Assignee:
MITSUI CHEMICALS INC
International Classes:
C08F210/02; C08J3/22; C08K3/04; C08K5/00; C08L23/06; C08L23/08; C09C1/56; C09D17/00; C09K23/52; (IPC1-7): C08L23/08; C08F210/02; C08J3/22; C08K3/04; C08K5/00; C08L23/06; C09C1/56; C09D17/00
Attorney, Agent or Firm:
鈴木 俊一郎
牧村 浩次