Global Patent Index - EP 1141472 A2

EP 1141472 A2 20011010 - METHOD FOR THE HYDROPHILIC FINISHING OF FIBRES ON THE BASIS OF POLYOLEFINS OR POLYESTER, USING ALKYLETHOXYLATES

Title (en)

METHOD FOR THE HYDROPHILIC FINISHING OF FIBRES ON THE BASIS OF POLYOLEFINS OR POLYESTER, USING ALKYLETHOXYLATES

Title (de)

VERFAHREN ZUR HYDROPHILEN AUSRÜSTUNG VON FASERN

Title (fr)

PROCEDE D'APPRETAGE HYDROPHILE DE FIBRES A BASE DE POLYOLEFINE OU DE POLYESTER AVEC UTILISATION D'ALKYLETHOXYLATES

Publication

EP 1141472 A2 20011010 (DE)

Application

EP 99955922 A 19991030

Priority

  • DE 19851687 A 19981110
  • EP 9908280 W 19991030

Abstract (en)

[origin: DE19851687A1] The invention relates to a method for the hydrophilic finishing of fibres which consist exclusively or entirely of polyolefins or polyester. According to the invention a mixture containing (a) mostly polyolefins or polyester and (b) between 0.01 and 10 % by weight, in relation to the sum of polyolefin or polyester, of a composition containing at least one compound from the class of alkylethoxylates, is subjected at temperatures of between 180 and 320 DEG C and in the usual manner to a moulding process yielding fibres. The invention is characterized in that (i) no transition-metal compounds are added to the mixture subjected to the moulding process, either before or during said process; (ii) the alkylethoxylates (b) have the general structure R-O-(CH2-CH2-O)xH, where the rest R is an alkyl rest with between 8 and 14 carbon atoms and x is a number between 4 and 10; and (iii) in the individual wetting test the alkylethoxylates (b) require at least four wetting cycles until failure.

IPC 1-7

D06M 15/53; D06M 13/17

IPC 8 full level

A61L 15/22 (2006.01); C08L 23/02 (2006.01); D01F 1/10 (2006.01); D01F 6/04 (2006.01); D01F 6/06 (2006.01); D01F 6/62 (2006.01); C08L 71/02 (2006.01)

CPC (source: EP)

A61L 15/225 (2013.01); C08L 23/02 (2013.01); D01F 1/10 (2013.01); D01F 6/04 (2013.01); D01F 6/06 (2013.01); D01F 6/62 (2013.01); C08L 71/02 (2013.01); C08L 2203/12 (2013.01)

C-Set (source: EP)

  1. A61L 15/225 + C08L 23/12
  2. C08L 23/02 + C08L 2666/22

Citation (search report)

See references of WO 0028143A2

Designated contracting state (EPC)

DE

DOCDB simple family (publication)

DE 19851687 A1 20000511; EP 1141472 A2 20011010; WO 0028143 A2 20000518; WO 0028143 A3 20001102

DOCDB simple family (application)

DE 19851687 A 19981110; EP 9908280 W 19991030; EP 99955922 A 19991030