Global Patent Index - EP 2766903 A1

EP 2766903 A1 20140820 - CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS

Title (en)

CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS

Title (de)

KETTENÜBERTRAGUNGSREAGENZIEN IN POLYURETHAN-BASIERTEN PHOTOPOLYMER-FORMULIERUNGEN

Title (fr)

RÉACTIFS DE TRANSFERT DE CHAÎNE DANS DES FORMULATIONS PHOTOPOLYMÈRES À BASE DE POLYURÉTHANE

Publication

EP 2766903 A1 20140820 (DE)

Application

EP 12770136 A 20121011

Priority

  • EP 11184771 A 20111012
  • EP 2012070118 W 20121011
  • EP 12770136 A 20121011

Abstract (en)

[origin: WO2013053792A1] The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component (b); a writing monomer (B); a photoinitiator (C); a catalyst (D); and a chain transfer reagent (E). A holographic medium that contains a photopolymer formulation according to the invention or can be obtained by using it, the use of a photopolymer formulation according to the invention for manufacturing holographic media, and a method for producing a holographic medium by using a photopolymer formulation according to the invention are also subject matter of the invention.

IPC 8 full level

G11B 7/245 (2006.01); G03F 7/00 (2006.01); G11B 7/24 (2013.01); G11B 7/24044 (2013.01)

CPC (source: EP US)

G03H 1/02 (2013.01 - US); G11B 7/24044 (2013.01 - EP US); G11B 7/245 (2013.01 - EP US)

Citation (search report)

See references of WO 2013053792A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2013053792 A1 20130418; BR 112014008577 A2 20170418; CN 103875037 A 20140618; EP 2766903 A1 20140820; JP 2014535072 A 20141225; KR 20140082692 A 20140702; US 2014295328 A1 20141002

DOCDB simple family (application)

EP 2012070118 W 20121011; BR 112014008577 A 20121011; CN 201280050391 A 20121011; EP 12770136 A 20121011; JP 2014535066 A 20121011; KR 20147009405 A 20121011; US 201214350593 A 20121011