Global Patent Index - EP 2675558 A1

EP 2675558 A1 20131225 - MICROCAPSULES HAVING A PARAFFIN COMPOSITION AS A CAPSULE CORE

Title (en)

MICROCAPSULES HAVING A PARAFFIN COMPOSITION AS A CAPSULE CORE

Title (de)

MIKROKAPSELN MIT EINER PARAFFINZUSAMMENSETZUNG ALS KAPSELKERN

Title (fr)

MICROCAPSULES À COMPOSITION DE PARAFFINE COMME COEUR DE CAPSULE

Publication

EP 2675558 A1 20131225 (DE)

Application

EP 12703799 A 20120213

Priority

  • EP 11154676 A 20110216
  • EP 2012052383 W 20120213
  • EP 12703799 A 20120213

Abstract (en)

[origin: WO2012110443A1] The invention relates to microcapsules comprising a paraffin composition as a capsule core and a polymer as a capsule wall, which comprises 40 to 90 wt % of one or more C1-C24-alkylesters of acrylic and/or methacrylic acids (monomers I), 10 to 60 wt % of one or more ethylenically unsaturated cross-linking agents (monomers II), wherein at least 80 wt % relative to the ethylenically unsaturated cross-linking agents is a cross-linking agent having three or more ethylenically unsaturated radicals, and 0 to 30 wt % of one or more single ethylenically unsaturated monomers (monomer III) different from monomers I, each relative to the total weight of the monomers, wherein the paraffin composition comprises 35 to 98 wt % of n-octadecane, 1 to 10 wt % of at least one C20-C24-aliphate and/or diisopropylnaphthaline, 1 to 5 wt % of at least one wax having a melting point >40°C, and 0 to 50 wt % of n-hexadecane, each relative to the paraffin composition. The invention further relates to a method for producing same, and to the use thereof in binder construction materials, textiles, and heat carrier fluids.

IPC 8 full level

B01J 13/18 (2006.01); F28D 20/02 (2006.01)

CPC (source: EP KR)

B01J 13/18 (2013.01 - KR); B01J 13/185 (2013.01 - EP); C09K 5/063 (2013.01 - EP); F28D 20/02 (2013.01 - KR); F28D 20/023 (2013.01 - EP); Y02E 60/14 (2013.01 - EP)

Citation (search report)

See references of WO 2012110443A1

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 2012110443 A1 20120823; CN 103391811 A 20131113; CN 103391811 B 20160518; EP 2675558 A1 20131225; JP 2014512254 A 20140522; JP 6005067 B2 20161012; KR 101900522 B1 20180919; KR 20140008383 A 20140121

DOCDB simple family (application)

EP 2012052383 W 20120213; CN 201280009340 A 20120213; EP 12703799 A 20120213; JP 2013553889 A 20120213; KR 20137024292 A 20120213