POLYMERIZABLE COMPOSITION SUITABLE FOR LED LIGHT SOURCE

World Intellectual Property Organization Patent

APP PUB NO WO-2010008077-A1
SERIAL NO

PCTJP2009062992

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Abstract

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A polymerizable composition which exerts high curability even when an LED irradiation device as well as a halogen lamp type irradiation device is used and which rarely discolors even when stored for a long period.  When used as dental material, the polymerizable composition attains high bond strength between a cured body of the composition and tooth substance.  The polyerizable composition comprises both a photopolymerization initiator composition and a polymerizable monomer (D).  The photopolymeization initiator composition comprises both a photopolymerization initiator component consisting only of a bisacylphosphine oxide (A) and an α-diketone (B), and a tertiary amine (C).  The (A)/(B) weight ratio of the bisacylphosphine oxide (A) to the α-diketone (B) is 1:9 to 9:1 and the (D)/(C) weight ratio of the polymerizable monomer (D) to the tertiary amine (C) is 100:0.5 to 100:10.

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Patent Owner(s)

Patent OwnerAddress
KURARAY MEDICAL INCJPKURASHIKI-SHI OKAYAMA 710-8622

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Inventor(s)

Inventor Name Address
HINAMOTO AI KURASHIKI-SHI OKAYAMA 710-0801
ISHINO HIROSHIGE FRANKFURT AM MAIN 60488

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