{"id":4076,"date":"2022-01-30T21:25:13","date_gmt":"2022-01-30T20:25:13","guid":{"rendered":"https:\/\/www.textile-technique.com\/?page_id=4076"},"modified":"2022-07-04T11:15:10","modified_gmt":"2022-07-04T09:15:10","slug":"pre-treatments","status":"publish","type":"page","link":"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/pre-treatments\/","title":{"rendered":"Pre-treatments"},"content":{"rendered":"<div class=\"yoast-breadcrumbs\"><span><span><a href=\"https:\/\/www.textile-technique.com\/en\/\">Home<\/a><\/span> <span class=\"breadcrumb-sep\" role=\"separator\"><\/span> <span><a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/\">Textile guide<\/a><\/span> <span class=\"breadcrumb-sep\" role=\"separator\"><\/span> <span><a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/\">Transformations<\/a><\/span> <span class=\"breadcrumb-sep\" role=\"separator\"><\/span> <span class=\"breadcrumb_last\" aria-current=\"page\"><strong>Pre-treatments<\/strong><\/span><\/span><\/div>\n\n\n<header class=\"gut-block gut-block--page-header type--complex\">\n\t\t<div class=\"header-content \">\n\t\t<div class=\"header-content__text\">\n\t\t\t<div class=\"text\">\n\t\t\t\t<h1 class=\"title title-3\">Pre-traitements<\/h1>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"subtitle title-5\">Their purpose to eliminate substances or waste naturally present on the fiber in order to best prepare it for dyeing, spinning, weaving or knitting.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"header-content__image\">\n\t\t\t\t\t<figure class='shaped-image shaped-mask-image shape-type--c'>\n\t\t\t\t\t\t<div class='svg-shape-mask'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img src='https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Pre-traitement-683x1024.jpg' alt='Pre-traitement'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/figure>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n<\/header>\n\n\n\n<div class=\"gut-block gut-block--title-separator size-medium\">\t\n\t<div class=\"separator-icon--blue\"><\/div>\n\t<h2 class='title title-3'>Differents pretraitement<\/h2>\t<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Bleaching<\/h3><\/dt><dd><p>Application of bleaches on natural fibers. This step is essential to have light or bright colored dyes. Synthetic and artificial fibers are pure and white after spinning, they do not require bleaching.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Boiling off <\/h3><\/dt><dd><p>Removal of natural waxes and pectins contained in the cotton thanks to an alkaline solution. This step makes the cotton hydrophilic.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Wash<\/h3><\/dt><dd><p>Starch-free sizing removal.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Degumming or scouring  <\/h3><\/dt><dd><p>Elimination of sandstone (slime produced by silkworms during the production of the cocoon).<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Singing or grating <\/h3><\/dt><dd><p>Removal of the fibre fluff on the surface of the textile or cotton yarn by heat. This technique reduces pilling.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Pre-setting <\/h3><\/dt><dd><p>Stabilization of synthetic textiles by the action of heat. Allows to reduce the formation of wrinkles during the dyeing cycle. For this process, stenters or heating cylinders are used. Can cause yellowing and loss of elasticity.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Degreasing <\/h3><\/dt><dd><p>Removal of grease traces from natural animal fibers by heat treatment. For this purpose, a solvent, a basic solution or surface-active are used.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Enzymatic treatment <\/h3><\/dt><dd><p>Application of an enzymatic treatment (of natural origin) by wet way on the cellulosic fibers in order to solubilize the pectin which reads the fibers, and thus to refine them. The goal is to obtain a finer yarn.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Oiling<\/h3><\/dt><dd><p>Introduction of oil into the wool to help the fibers slide during carding and combing.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Blueing<\/h3><\/dt><dd><p>Application of a dye (often buish) to make the fabric whiter.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Sizing<\/h3><\/dt><dd><p>Application of starch on the warp yarns, the sizing allows to stiffen the yarns in order to facilitate the weaving and to limit the breakages. This practice is only used for natural fibers.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Desizing<\/h3><\/dt><dd><p>Elimination of the sizing thanks to an enzyme, it is put in place in full bath or with the impregnation pad.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Waxing<\/h3><\/dt><dd><p>Application of wax on the yarns before knitting in order to allow a better glide in the knitting machine, to limit friction and consequently yarn breakage.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Mercerisation<\/h3><\/dt><dd><p>Transformation of the morphology of the cotton fiber into round fiber by the action of caustic soda. This allows to obtain darker colors and to have a more shiny and resistant fiber.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n\n\t<div class=\"gut-block gut-block--rounded-box is-simple\">\n\t\t<div class='rounded-box is-blue'><dl class='content-text'><dt><h3 class='title framed-title--blue'>Carbonizing<\/h3><\/dt><dd><p>Removal of plant debris from wool flocks by dipping them in sulfuric acid.<\/p>\n<\/dd><\/dl><\/div>\t<\/div>\n\n \n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"gut-block gut-block--buttons-image-grid has-separator\">\n\t\t\t\t\t\t<div class=\"separator-icon--blue\"><\/div>\n\t\t\t\t<h2 class=\"title title-3\">Transformations<\/h2>\n\t\n\t\n\t\t<div class=\"buttons-wrapper nb-items--7\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/pre-treatments\/\" class=\"button--image grid-item nb-items--7\" title=\"Pre-treatments\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Pre-traitement-683x1024.jpg\" width=\"640\" height=\"960\" alt=\"Pre-traitement\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Pre-treatments<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/dyeing\/\" class=\"button--image grid-item nb-items--7\" title=\"Dyeing\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Teinture-e1644011409211-1024x863.jpg\" width=\"640\" height=\"539\" alt=\"Teinture-e1644011477765\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Dyeing<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/finishing\/\" class=\"button--image grid-item nb-items--7\" title=\"Finishing\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Apprets-683x1024.jpg\" width=\"640\" height=\"960\" alt=\"Apprets\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Finishing<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/printing-and-fabric-details\/\" class=\"button--image grid-item nb-items--7\" title=\"Printing and fabric details\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Decoration-textile-1024x683.jpg\" width=\"640\" height=\"427\" alt=\"Decoration-textile\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Printing and fabric details<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/laminating\/\" class=\"button--image grid-item nb-items--7\" title=\"Laminating\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Complexage-683x1024.jpg\" width=\"640\" height=\"960\" alt=\"Complexage\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Laminating<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/cutting-and-manufacturing\/\" class=\"button--image grid-item nb-items--7\" title=\"Cutting and manufacturing\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Confection-e1644011365163-1024x579.jpg\" width=\"640\" height=\"362\" alt=\"Confection-e1644011365163\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Cutting and manufacturing<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.textile-technique.com\/en\/textile-guide\/transformations\/composites\/\" class=\"button--image grid-item nb-items--7\" title=\"Composites\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.textile-technique.com\/wp-content\/uploads\/2022\/02\/Composites-1024x678.jpg\" width=\"640\" height=\"424\" alt=\"Composites-scaled\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"button--image__button\">\n\t\t\t\t\t\t\t<div class=\"button--rounded button--white button--plus\">Read more<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"button--image__title\">\n\t\t\t\t\t\t\t<h3 class=\"item-title\">Composites<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\n\t<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":2527,"parent":3711,"menu_order":40,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4076","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pre-treatments - Technical textile<\/title>\n<meta name=\"description\" content=\"Remove substances or waste from the fiber to prepare it for the dyeing, spinning, weaving and knitting stages.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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