Title:
多段エマルションポリマーおよび向上した顔料効率
Document Type and Number:
Japanese Patent JP5837961
Kind Code:
B2
Abstract:
This invention provides a multistage emulsion polymer including, as copolymerized units: from 0.5% to 5%, by weight P-acid monomer, based on the weight of the emulsion polymer; from 0% to 0.05% by weight multiethylenically unsaturated monomer, based on the weight of the emulsion polymer; and at least one second monoethylenically unsaturated monomer; the emulsion polymer having a calculated Tg of from -20 °C to 50 °C; the emulsion polymer is formed by the "pulsed" addition of 75% to 100% of the P-acid monomer during a stage including from 10% to 50% of the total monomer weight, preferably added during the relatively early stages of the polymerization. A multistage polymer/TiO2 composite particle and an aqueous coating composition including the composite particle are also provided.
Inventors:
James Charles Bowling
Steven James Broadwater
Arnold Stan Brownell
John William Hook, The Third
Reginald Tea. Smart
Steven James Broadwater
Arnold Stan Brownell
John William Hook, The Third
Reginald Tea. Smart
Application Number:
JP2014110852A
Publication Date:
December 24, 2015
Filing Date:
May 29, 2014
Export Citation:
Assignee:
ROHM AND HAAS COMPANY
International Classes:
C08F246/00; B05D7/24; C08F2/22; C09C1/36; C09D5/02; C09D7/62; C09D201/00
Domestic Patent References:
| JP2004099901A | ||||
| JP2007056260A | ||||
| JP7070505A |
Attorney, Agent or Firm:
Patent Business Corporation Sender International Patent Office