Patent · US Active

Hardening composition and hardened product thereof

US8349934B2 · kind B2 · utility

4Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2009
Grant dateJan 8, 2013
Priority date
Expiry dateDec 22, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2995
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention is directed to a hardening composition comprising silica fine particles (a), a (meth)acrylate (b) having two or more ethylenically unsaturated groups and being free from cyclic structure, a (meth)acrylate (c) having an ethylenically unsaturated group and having an alicyclic structure, a polymerization initiator (d) and black inorganic fine particles (e), wherein the silica fine particles (a) are surface-treated with a silane compound (f) represented by the following general formula (1) and a silane compound (g) represented by the following general formula (2):

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.