Invention Grant
- Patent Title: Amphoteric polymer particles and compositions thereof
- Patent Title (中): 两性聚合物颗粒及其组合物
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Application No.: US14650875Application Date: 2013-12-11
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Publication No.: US09528023B2Publication Date: 2016-12-27
- Inventor: James C. Bohling , Ward Thomas Brown , Arnold S. Brownell , Paul Clark , Thomas Glenn Madle
- Applicant: Rohm and Haas Company , Dow Global Technologies LLC
- Applicant Address: US PA Philadelphia US MI Midland
- Assignee: Rohm and Haas Company,Dow Global Technologies LLC
- Current Assignee: Rohm and Haas Company,Dow Global Technologies LLC
- Current Assignee Address: US PA Philadelphia US MI Midland
- Agent Reid S. Willis
- International Application: PCT/US2013/074230 WO 20131211
- International Announcement: WO2014/093412 WO 20140619
- Main IPC: C09C1/36
- IPC: C09C1/36 ; C09D133/12 ; C09D5/00 ; C09D7/00 ; C09D7/12 ; C08K9/02
Abstract:
The present invention relates to a stable aqueous dispersion of multiphase amphoteric polymer particles comprising a crosslinked polymer phase comprising structural units of a phosphorus acid monomer, a carboxylic acid monomer, a multiethylenically unsaturated monomer, and an ethylenically unsaturated nonionic monomer; and a second polymer phase comprising a carboxylic acid monomer and an ethylenically unsaturated nonionic monomer. The present invention also relates to composites of the particles and pigment particles such as TiO2. The composition is useful for preparing dried coatings with improved hiding.
Public/Granted literature
- US20150307733A1 AMPHOTERIC POLYMER PARTICLES AND COMPOSITIONS THEREOF Public/Granted day:2015-10-29
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