Global Patent Index - EP 3126435 A1

EP 3126435 A1 20170208 - CONDENSED TANNIN-BASED FOAMS

Title (en)

CONDENSED TANNIN-BASED FOAMS

Title (de)

KONDENSIERTE TANNINBASIERTE SCHAUMSTOFFE

Title (fr)

MOUSSES À BASE DE TANINS CONDENSÉS

Publication

EP 3126435 A1 20170208 (EN)

Application

EP 15715635 A 20150331

Priority

  • US 201461973074 P 20140331
  • US 201462054471 P 20140924
  • US 2015023602 W 20150331

Abstract (en)

[origin: WO2015153617A1] Disclosed are condensed tannin-based foams comprising a formaldehyde-free polymeric phase defining a plurality of open cells and a plurality of closed cells, wherein the formaldehyde-free polymeric phase comprises an acid catalyzed tannin-based resin derived from a surface-active condensed tannin, a formaldehyde-free tannin-reactive monomer, a saturated or an unsaturated organic anhydride, a polyamine, an ethoxylated castor oil, and an optional plasticizer. Also disclosed are mixed tannin-phenolic foams and methods of making thereof.

IPC 8 full level

C08J 9/14 (2006.01); B32B 5/18 (2006.01); C08J 9/00 (2006.01)

CPC (source: EP)

C08J 9/0061 (2013.01); C08J 9/141 (2013.01); C08J 9/145 (2013.01); C08J 9/149 (2013.01); C08L 97/00 (2013.01); C08J 2203/14 (2013.01); C08J 2203/142 (2013.01); C08J 2203/182 (2013.01); C08J 2205/052 (2013.01); C08J 2205/10 (2013.01); C08J 2361/10 (2013.01); C08J 2397/00 (2013.01)

Citation (search report)

See references of WO 2015153617A1

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2015153617 A1 20151008; EP 3126435 A1 20170208; JP 2017509771 A 20170406

DOCDB simple family (application)

US 2015023602 W 20150331; EP 15715635 A 20150331; JP 2016560395 A 20150331