Invention Grant
- Patent Title: Thermo-expansive microcapsule, production process of expanded product and expanded product thereof
- Patent Title (中): 热膨胀微胶囊，膨胀产品的生产工艺及其膨胀产品
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Application No.: US10539064Application Date: 2003-12-24
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Publication No.: US07566498B2Publication Date: 2009-07-28
- Inventor: Sachiko Tokumura , Kenichi Kitano , Toshiaki Masuda , Katsushi Miki
- Applicant: Sachiko Tokumura , Kenichi Kitano , Toshiaki Masuda , Katsushi Miki
- Applicant Address: JP Yao-shi
- Assignee: Matsumoto Yushi-Seiyaku Co., Ltd.
- Current Assignee: Matsumoto Yushi-Seiyaku Co., Ltd.
- Current Assignee Address: JP Yao-shi
- Agency: Foley & Lardner LLP
- Priority: JP2002-383674 20021225; JP2002-383675 20021225
- International Application: PCT/JP03/16577 WO 20031224
- International Announcement: WO2004/058910 WO 20040715
- Main IPC: B32B5/16
- IPC: B32B5/16
Abstract:
Thermo-expansive microcapsule comprising: a polymeric shell produced by polymerizing 15 to 75 weight % of a nitrile monomer, 10 to 65 weight % of a monomer having a carboxyl group, 0.1 to 20 weight % of a monomer having an amide group and 0.1 to 20 weight % of a monomer having a cyclic structure in its side chain; and a blowing agent encapsulated in the polymeric shell.
Public/Granted literature
- US20060063000A1 Thermally expandable microcapsule,process for producing molded foam, and molded foam Public/Granted day:2006-03-23
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