Global Patent Index - EP 4159913 A1

EP 4159913 A1 20230405 - AQUEOUS SOLUTION OF SYNTHETIC FIBER TREATMENT AGENT, AND METHOD FOR MANUFACTURING SYNTHETIC FIBERS

Title (en)

AQUEOUS SOLUTION OF SYNTHETIC FIBER TREATMENT AGENT, AND METHOD FOR MANUFACTURING SYNTHETIC FIBERS

Title (de)

WÄSSRIGE LÖSUNG EINES KUNSTFASERBEHANDLUNGSMITTELS UND VERFAHREN ZUR HERSTELLUNG VON KUNSTFASERN

Title (fr)

LIQUIDE AQUEUX D'AGENT DE TRAITEMENT POUR FIBRES SYNTHÉTIQUES, ET PROCÉDÉ DE FABRICATION DE FIBRES SYNTHÉTIQUES

Publication

EP 4159913 A1 20230405 (EN)

Application

EP 21821920 A 20210604

Priority

  • JP 2020101688 A 20200611
  • JP 2021021314 W 20210604

Abstract (en)

The present invention addresses the problem of providing an aqueous solution of a synthetic fiber treatment agent that has excellent ingredient retention properties on fibers and that has excellent low-temperature handling properties. The present invention is an aqueous solution of a synthetic fiber treatment agent comprising a smoothing agent, a nonionic surfactant and an ionic surfactant, and is characterized by: the smoothing agent comprising a specific ester A1 and optionally a specific ester A2; the smoothing agent containing a ratio of 40-100 mass% of the ester A1; the ester A1 making up a ratio of 50-100 mass% when the total content ratio of the ester A1 and the ester A2 is 100 mass%; and the viscosity of the synthetic fiber treatment agent at 30°C being 40-150mm<sup>2</sup>/s.

IPC 8 full level

D06M 13/224 (2006.01); D06M 13/17 (2006.01)

CPC (source: CN EP KR)

D06M 13/17 (2013.01 - CN KR); D06M 13/224 (2013.01 - CN EP KR); D06M 13/2246 (2013.01 - CN EP); D06M 13/256 (2013.01 - CN); D06M 13/295 (2013.01 - CN); D06M 13/419 (2013.01 - CN); D06M 15/53 (2013.01 - CN); D06M 13/17 (2013.01 - EP); D06M 13/256 (2013.01 - EP); D06M 13/292 (2013.01 - EP); D06M 15/53 (2013.01 - EP); D06M 2200/40 (2013.01 - EP)

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4159913 A1 20230405; EP 4159913 A4 20231101; CN 113728137 A 20211130; CN 113728137 B 20220722; KR 102460480 B1 20221028; KR 20220092635 A 20220701

DOCDB simple family (application)

EP 21821920 A 20210604; CN 202180002707 A 20210604; KR 20227020898 A 20210604