Invention Grant
- Patent Title: Water-based resin composition, weather resistance improver for water-based paint using the same, weather resistance improver for thermoplastic resin, and weather resistance improver for solvent-based paint
- Patent Title (中): 水性树脂组合物，使用其的水性涂料的耐候性改进剂，热塑性树脂的耐候性改进剂和溶剂型涂料的耐候性改进剂
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Application No.: US11915485Application Date: 2006-05-26
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Publication No.: US07935772B2Publication Date: 2011-05-03
- Inventor: Takahiro Mukuda , Masaaki Kiura , Motomi Tanaka
- Applicant: Takahiro Mukuda , Masaaki Kiura , Motomi Tanaka
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Rayon Co., Ltd.
- Current Assignee: Mitsubishi Rayon Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-154109 20050526; JP2005-214830 20050725; JP2005-357925 20051212; JP2006-054806 20060301; JP2006-061447 20060307; JP2006-061496 20060307
- International Application: PCT/JP2006/310569 WO 20060526
- International Announcement: WO2006/126680 WO 20061130
- Main IPC: C08F26/06
- IPC: C08F26/06
Abstract:
Disclosed is a water-based resin composition containing a copolymer (A) which is obtained by carrying out emulsion polymerization of an unsaturated monomer composed of 0.5 to 50 parts by mass of a specific ethylenically unsaturated monomer (a) having a piperidyl group in a molecule and 50 to 99.5 parts by mass of an ethylenically unsaturated monomer (b), which does not substantially contain an ethylenically unsaturated monomer having a specific functional group in a molecule, with the total of the ethylenically unsaturated monomers (a) and (b) being 100 parts by mass, under the coexistence of 0.1 to 10 parts by mass of an emulsifier. Also disclosed are a weather resistance improver for water-based paints using the foregoing water-based resin composition, a weather resistance improver for thermoplastic resins, and a weather resistance improver for solvent-based paints.
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