Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1994-10-17
1996-03-12
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525231, 525227, C08L 3900, C08L 3306, C08L 2902
Patent
active
054986702
ABSTRACT:
Disclosed herein are crosslinked spherical fine particles having good toughness, elastic properties, and chemical properties, and a process for producing the same, said fine particles being obtained by radical polymerization in the suspended state of a component [M] capable of radical polymerization containing a vinyl group-containing compound (V) capable of radical polymerization which is obtained by reaction of (a) a selected polyol, (b) an isocyanate group-containing compound, and (c) an active hydrogen-containing vinyl monomer capable of radical polymerization. Also disclosed herein are the secondary products of the crosslinked spherical fine particles, which include a coating composition and its derivatives (such as filmlike article, sheetlike article, adhesive filmlike article, and adhesive sheetlike article) and a peelable pressure-sensitive adhesive and peelable pressure-sensitive adhesive article.
REFERENCES:
patent: 4801640 (1989-01-01), Dallmann et al.
patent: 4833177 (1989-05-01), Faler et al.
Aoyama Takahiro
Banba Akikazu
Matsunaga Toshiaki
Nakazaki Mitsuo
Tsubakimoto Tsuneo
Cheng Wu C.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
Schofer Joseph L.
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