Transcription of Technical Information Successful dyeing of polyester ...
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Technical Information Successful dyeing of polyester ...
Successful dyeing ofpolyester/elastane blends withDispersol and Palanil dyesTechnical InformationEFT/TS 181 March 2000 Colorants = Registered trademark ofBASF Aktiengesellschaft1 Successful dyeing ofpolyester/elastane blendswith Dispersol and Palanil dyesCompact Elastane2 Elastane fibres are: widely used to improve fit and comfort of underwear, sportswear andouterwear formed from a synthetic polymer containing at least 85% by weight ofsegmented polyurethane generally based on polyether soft segments hydrophobic and open-structured with high affinity for disperse dyesO = C = N -- CH2 -- N = C = O + HO CH2 CH2 CH2 CH2 - O n OH O = C = N N = C = O hardsegmenthardsegment+DiaminePolyester/ Elastane dyeing Problems3 dyeing polyester /elastane at 130 CPermanent drawing of elastane fibreLoss of stretch recovery powerElastane fibres have higher affinity for disperse dyes than do polyester fibresHeavy staining of elastane fibresPoor colour fastness of dyed polyester /elastane fabricsCareful choice of preparation chemicals dyes dyeing process machinery with minimum tensionis essential for producing high quality dyed fabricsLLLLJJC ompact Elastane - Preparation for dyeing4 polyester /Elastane Fabrics
Polyester/Elastane Dyeing Problems 3 Dyeing polyester/elastane at 130 °C Permanent drawing of elastane fibre Loss of stretch recovery power Elastane fibres have higher affinity for disperse dyes than do
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