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Title:
フルオレン骨格を有するウレタン(メタ)アクリレートおよびその硬化物
Document Type and Number:
Japanese Patent JP5249572
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a novel (meth)acrylate excellent in flexibility and simultaneously satisfying both properties such as high refractive index and high heat resistance, and excellent flexibility.SOLUTION: A urethane (meth)acrylate is obtained by using as reaction components: a diol having a fluorene skeleton (for example, 9,9-bis(hydroxyl(poly)Calkoxyphenyl)fluorene and 9,9-bis(mono or diCalkyl-hydroxy(poly)Calkoxyphenyl)fluorene), a specific polyisocyanate compound having a polyol skeleton and terminal isocyanate groups (for example, a urethane prepolymer made by reacting a diol compound such as an alkanediol or a polyetheric diol with a diisocyanate compound, and having isocyanate groups on both terminals), and a (meth)acrylic compound having a reactive group with the isocyanate group (for example, a hydroxyalkyl (meth)acrylate).

Inventors:
Miyauchi Shinsuke
Masahiro Yamada
Hiroaki Murase
Shinichi Kawasaki
Tetsuya Samura
Rie Mori
Fumihiro Hanasaka
Application Number:
JP2007321007A
Publication Date:
July 31, 2013
Filing Date:
December 12, 2007
Export Citation:
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Assignee:
OSAKA GAS CO.,LTD.
International Classes:
C08G18/67; C07C269/02; C07C271/20; C07C271/24; C07C271/28; C07C271/30; C08F299/06; C08G18/32
Domestic Patent References:
JP200622312A
Attorney, Agent or Firm:
Mitsuo Kata