{"id":17371,"date":"2019-08-10T20:16:34","date_gmt":"2019-08-10T18:16:34","guid":{"rendered":"https:\/\/tinctoriales.com\/?p=17371"},"modified":"2020-02-15T13:21:50","modified_gmt":"2020-02-15T12:21:50","slug":"matieres-premieres-que-choisir","status":"publish","type":"post","link":"https:\/\/tinctoriales.com\/es\/matieres-premieres-que-choisir\/","title":{"rendered":"Mati\u00e8res premi\u00e8res, que choisir?"},"content":{"rendered":"\n<p class=\"has-text-color has-background has-purple-color has-light-pink-background-color\">\/\/\/ Mati\u00e8res premi\u00e8res \/\/\/  <strong>Article mis \u00e0 jour le 31 ao\u00fbt 2019<\/strong><br><em>Prochain retour en France du 25 f\u00e9vrier au 12 novembre<\/em><br>Organisons donc des <a rel=\"noreferrer noopener\" href=\"https:\/\/tinctoriales.com\/a-propos-de\/accueil\/formations-a-la-demande\/\" target=\"_blank\"><strong>ateliers<\/strong><\/a>! C\u2019est facile <\/p>\n\n\n\n<p>   <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mati\u00e8res premi\u00e8res: fibres v\u00e9g\u00e9tales, animales, artificielles, synth\u00e9tiques?<\/h2>\n\n\n\n<p>Tout bon livre de teinture naturelle (il en est de m\u00eame pour les teintures chimiques) commence par une description des fibres. Cela est d&#8217;une tr\u00e8s grande importance, de cela d\u00e9pend le type de mordant et bien souvent le r\u00e9sultat. <\/p>\n\n\n\n<p>Oui, je sais, je vous ai d\u00e9j\u00e0 parl\u00e9 des mati\u00e8res premi\u00e8res. Je ne vais pas radoter, mais c&#8217;est un th\u00e8me important et j&#8217;ai de nouvelles informations \u00e0 vous apporter. Ainsi, je vous invite \u00e0 relire le pr\u00e9c\u00e9dent <a href=\"https:\/\/tinctoriales.com\/es\/connaitre-5-choses\/\">article<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les mati\u00e8res premi\u00e8res \u00e0 la loupe<\/h2>\n\n\n\n<p>Ou mieux encore, au microscope. J&#8217;en r\u00eavais depuis longtemps&#8230;<\/p>\n\n\n\n<p>Une des meilleures m\u00e9thodes pour d\u00e9terminer \u00e0 quel type de fibre on a affaire, est de l&#8217;\u00e9tudier au microscope.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Et je vais sortir mon microscope<\/h2>\n\n\n\n<p>Un \u00e9tudiant doctorant, Fernan, est venu avec des amis de Santiago au local <a href=\"http:\/\/rincondeangel.com\/\">Rinc\u00f3n de Angel<\/a> et nous avons beaucoup parl\u00e9 de teintures, eux les utilisaient pour leurs pr\u00e9parations au microscope.<\/p>\n\n\n\n<p>Ils auraient pr\u00e9f\u00e9r\u00e9 utiliser des teintures naturelles pour cela. Je leur ai donn\u00e9 un peu de cochenille pour qu&#8217;ils fassent des essais. Tr\u00e8s peu leur suffisait&#8230;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le retour de Fernan<\/h3>\n\n\n\n<p>Quelques mois plus tard, Fernan est revenu avec 20 \u00e9tudiants de son laboratoire. Et ils m&#8217;avaient apport\u00e9 un microscope qui se branche sur l&#8217;ordinateur.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190811_131408064_HDR-1024x576.jpg\" alt=\"Voici le fameux microscope\" class=\"wp-image-18371\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190811_131408064_HDR-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190811_131408064_HDR-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190811_131408064_HDR-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190811_131408064_HDR-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190811_131408064_HDR.jpg 2048w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Voici le fameux microscope<\/figcaption><\/figure><\/div>\n\n\n\n<p>C&#8217;est un bon outil pour analyser rapidement des mati\u00e8res premi\u00e8res. Les fibres se distinguent par leur forme, la pr\u00e9sence d&#8217;\u00e9cailles&#8230; Tout cela influe sur la teinture.<\/p>\n\n\n\n<p>On peut aussi voir si la laine est propre ou contient encore de la graisse. C&#8217;est tr\u00e8s important pour la solidit\u00e9 de la teinture qui pr\u00e9f\u00e8re s&#8217;allier \u00e0 la graisse qu&#8217;\u00e0 la fibre et aura tendance \u00e0 s&#8217;en aller avec la graisse au lavage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Je vais donc le brancher pour continuer l&#8217;article<\/h3>\n\n\n\n<p>Depuis que je l&#8217;ai, il a voyag\u00e9 avc moi, au P\u00e9rou, au Br\u00e9sil, et maintenant en France, il va certainement m&#8217;accompagner lors de mon tour du monde pour analyser toutes les fibres que je rencontrerai sur mon chemin.<\/p>\n\n\n\n<p>Le voici branch\u00e9 il faut bien installer l&#8217;\u00e9clairage et le r\u00e9gler&#8230;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190820_131446264_HDR-1024x576.jpg\" alt=\"Microscope install\u00e9, pr\u00e8s \u00e0 visionner diff\u00e9rentes mati\u00e8res premi\u00e8res\" class=\"wp-image-18815\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190820_131446264_HDR-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190820_131446264_HDR-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190820_131446264_HDR-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190820_131446264_HDR-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/IMG_20190820_131446264_HDR.jpg 2048w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Microscope install\u00e9, pr\u00e8s \u00e0 visionner diff\u00e9rentes mati\u00e8res premi\u00e8res<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Nous allons voir de belles mati\u00e8res premi\u00e8res<\/h2>\n\n\n\n<p>Je vais r\u00e9unir les fibres que j&#8217;ai sous la main pour vous les montrer sous un autre jour.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/fibres-1-1024x576.jpg\" alt=\"Petit sac de restes de fibres, \u00e0 v\u00e9rifier au microscope\" class=\"wp-image-18374\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/fibres-1-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/fibres-1-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/fibres-1-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/fibres-1-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/fibres-1.jpg 2048w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Petit sac de restes de fibres, \u00e0 v\u00e9rifier au microscope<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Laines<\/h4>\n\n\n\n<p>Chez mon ami Angel, il y en a une grande vari\u00e9t\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1-1024x684.jpg\" alt=\"Laine de mouton vue au microscope, on voit les petites \u00e9cailles\" class=\"wp-image-18309\" width=\"512\" height=\"342\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1-1024x684.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1-300x200.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1-768x513.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1-350x234.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1-272x182.jpg 272w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/microscope-1.jpg 1084w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Laine de mouton vue au microscope, on voit les petites \u00e9cailles<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Alpaga<\/h4>\n\n\n\n<p>Je vais vous montrer ce que j&#8217;ai tondu \u00e0 <a href=\"https:\/\/tinctoriales.com\/tonte-rancho-kawell\/\">Concon <\/a>en 2017.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/Mi-fotograf\u00eda_14-1024x576.jpg\" alt=\"Fibres d'alpaga vues au microscope\" class=\"wp-image-18488\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/Mi-fotograf\u00eda_14-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/Mi-fotograf\u00eda_14-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/Mi-fotograf\u00eda_14-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/Mi-fotograf\u00eda_14-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/Mi-fotograf\u00eda_14.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Fibres d&#8217;alpaga vues au microscope<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Vigogne<\/h4>\n\n\n\n<p>J&#8217;en ai trouv\u00e9 en Bolivie. C&#8217;est rare et tr\u00e8s cher.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/vicuna_3-1024x576.jpg\" alt=\"Fibres de vigogne, c'est vraiment beaucoup plus fin...\" class=\"wp-image-18489\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/vicuna_3-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/vicuna_3-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/vicuna_3-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/vicuna_3-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/vicuna_3.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Fibres de vigogne, c&#8217;est vraiment beaucoup plus fin\u2026<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Coton natif p\u00e9ruvien<\/h4>\n\n\n\n<p>Eh oui, le coton n&#8217;a pas toujours \u00e9t\u00e9 blanc, et celui a bien failli dispara\u00eetre. Heureusement, il y a des artisans qui le s\u00e8ment encore, notamment dans la r\u00e9gion de Chiclayo (Nord du <a href=\"https:\/\/tinctoriales.com\/passionnee-de-textiles-anciens-depuis-longtemps-je-revais-de-visiter-les-sites-archeologiques-du-perou-riches-en-textiles-anciens-remarquables\/\">P\u00e9rou<\/a>).<\/p>\n\n\n\n<p>Il est brut de r\u00e9colte,  ces fils semblent plats.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/algodon-nativo_11-1024x576.jpg\" alt=\"Fibres de coton natif p\u00e9ruvien\" class=\"wp-image-18493\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/algodon-nativo_11-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/algodon-nativo_11-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/algodon-nativo_11-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/algodon-nativo_11-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/algodon-nativo_11.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Fibres de coton natif p\u00e9ruvien<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Soie de Madagascar<\/h4>\n\n\n\n<p>J&#8217;en ai ramen\u00e9 de chez mon ami Hilaire, quand je suis all\u00e9e \u00e0 l&#8217;IFPECO de <a href=\"https:\/\/tinctoriales.com\/a-propos-de\/accueil\/formations-a-la-demande\/\">Madagascar<\/a>. Il m&#8217;en reste un peu.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/seda-mada_2-1024x576.jpg\" alt=\"Soie de Madagascar non d\u00e9creus\u00e9e\" class=\"wp-image-18495\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/seda-mada_2-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/seda-mada_2-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/seda-mada_2-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/seda-mada_2-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/seda-mada_2.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Soie de Madagascar non d\u00e9creus\u00e9e<br><\/figcaption><\/figure><\/div>\n\n\n\n<p>J&#8217;ai aussi d\u00e9creus\u00e9 un peu de cette soie, nous allons aussi l&#8217;\u00e9tudier.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-decreusee_6-1024x576.jpg\" alt=\"Soie d\u00e9creus\u00e9e\" class=\"wp-image-18818\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-decreusee_6-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-decreusee_6-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-decreusee_6-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-decreusee_6-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-decreusee_6.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Soie d\u00e9creus\u00e9e<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Autres soies<\/h4>\n\n\n\n<p>Voici la soie du Laos qu&#8217;utilise mon amie \u00e0 l&#8217;Atelier de Jo\u00eblle&#8230;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-du-laos_3-1024x576.jpg\" alt=\"Soie du Laos, fiil\u00e9e industriellement, teinture chimique\" class=\"wp-image-18496\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-du-laos_3-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-du-laos_3-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-du-laos_3-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-du-laos_3-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/soie-du-laos_3.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Soie du Laos, fiil\u00e9e industriellement, teinture chimique<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Paille \u00e0 chapeau, d&#8217;Equateur<\/h4>\n\n\n\n<p>J&#8217;en ai ramen\u00e9 un peu de Ciudad Eten, pr\u00e8s de Chiclayo, o\u00f9 ils ont la sp\u00e9cialit\u00e9 de tisser des chapeaux&#8230; Les femmes tressent leurs chapeaux, chez elles. On les voit depuis la porte ou la fen\u00eatre ouverte&#8230;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/paja-sombreros_4-1024x576.jpg\" alt=\"Paille utilis\u00e9e dans les chapeaux tiss\u00e9s au Nord du P\u00e9rou, elle  provient d'Equateur, tout proche\" class=\"wp-image-18498\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/paja-sombreros_4-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/paja-sombreros_4-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/paja-sombreros_4-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/paja-sombreros_4-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/paja-sombreros_4.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Paille utilis\u00e9e dans les chapeaux tiss\u00e9s au Nord du P\u00e9rou, elle  provient d&#8217;Equateur, tout proche<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Cheveux humains<\/h4>\n\n\n\n<p>Je vais en profiter pour examiner mes cheveux, pourquoi pas. C&#8217;est tr\u00e8s instructif.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/cheveux_6-1024x576.jpg\" alt=\"Mes cheveux\" class=\"wp-image-18821\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/cheveux_6-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/cheveux_6-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/cheveux_6-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/cheveux_6-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/cheveux_6.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Mes cheveux<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Crin de queue de cheval (noir)<\/h4>\n\n\n\n<p>Quand je suis all\u00e9e tondre les alpagas \u00e0 Concon, on m&#8217;a donn\u00e9 une queue de cheval. Nous allons donc \u00e9tudier ces crins.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/crin-caballo_2-1024x576.jpg\" alt=\"Crin de cheval, c'est vraiment tr\u00e8s gros au microscope\" class=\"wp-image-18506\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/crin-caballo_2-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/crin-caballo_2-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/crin-caballo_2-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/crin-caballo_2-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/crin-caballo_2.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Crin de cheval, c&#8217;est vraiment tr\u00e8s gros au microscope<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Chanvre<\/h4>\n\n\n\n<p>Ma voisine r\u00e9cup\u00e8re aupr\u00e8s du facteur les liens des paquets de courrier. Il para\u00eet que c&#8217;est du chanvre.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/chanvre_16-1024x576.jpg\" alt=\"Chanvre\" class=\"wp-image-18823\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/chanvre_16-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/chanvre_16-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/chanvre_16-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/chanvre_16-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/chanvre_16.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Chanvre<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Lin<\/h4>\n\n\n\n<p>Je n&#8217;ai pas retrouv\u00e9 de fibre de lin. Quand j&#8217;en aurai je remettrai \u00e0 jour cet article.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Orties et ramies<\/h4>\n\n\n\n<p>Les orties et la ramie (sous-esp\u00e8ce d&#8217;ortie non urticante) sont aussi des fibres int\u00e9ressantes, mais je n&#8217;en ai malheureusement pas d&#8217;\u00e9chantillon.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Fibres de bananier<\/h4>\n\n\n\n<p>J&#8217;ai ramen\u00e9 un peu de fibres de bananiers de Madagascar, cet \u00e9chantillon a \u00e9t\u00e9 teint \u00e0 la <a href=\"https:\/\/tinctoriales.com\/cochenille-cochenille-cochenille\/\">cochenille<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/bananier_3-1024x576.jpg\" alt=\"Fibres de bananier\" class=\"wp-image-18499\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/bananier_3-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/bananier_3-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/bananier_3-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/bananier_3-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/bananier_3.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Fibres de bananier<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Sisal<\/h4>\n\n\n\n<p>Celui-ci provient aussi de Madagascar, il a \u00e9t\u00e9 l\u00e9g\u00e8rement teint \u00e0 l&#8217;indigo.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/sisal_8-1024x576.jpg\" alt=\"Sisal de Madagascar\" class=\"wp-image-18503\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/sisal_8-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/sisal_8-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/sisal_8-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/sisal_8-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/sisal_8.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Sisal de Madagascar<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Rafia<\/h4>\n\n\n\n<p>J&#8217;ai aussi ramen\u00e9 un peu de rafia de Madagascar, qui en produit beaucoup. Celui-ci a \u00e9t\u00e9 teint \u00e0 la cochenille. Naturel, il et moins blanc que la paille \u00e0 chapeau \u00e9quatorienne.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/rafia_2-1024x576.jpg\" alt=\"Rafia, teint \u00e0 la cochenille\" class=\"wp-image-18501\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/rafia_2-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/rafia_2-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/rafia_2-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/rafia_2-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/rafia_2.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Rafia, teint \u00e0 la cochenille<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Plume<\/h4>\n\n\n\n<p>Je viens de trouver uune plume dans la toison d&#8217;alpaga que j&#8217;allais pr\u00e9parer pour la filer&#8230; Nous allons l&#8217;\u00e9tudier.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/plumes_28-1024x576.jpg\" alt=\"Plume, duvet\" class=\"wp-image-18826\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/plumes_28-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/plumes_28-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/plumes_28-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/plumes_28-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/plumes_28.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Plume, duvet<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Fibres  de bambou<\/h4>\n\n\n\n<p><strong>Je n&#8217;en ai pas.<\/strong> Il s&#8217;agit en fait d&#8217;une viscose de bambou, avec tout le brillant de la viscose et tous ces d\u00e9fauts. La viscose est une fibre tr\u00e8s flateuse, qui se teint g\u00e9n\u00e9ralement tr\u00e8s bien.<\/p>\n\n\n\n<p>N&#8217;importe quelle cellulose convient pour la fabriquer. Pratiquement toute biomasse v\u00e9g\u00e9tale doit pouvoir servir \u00e0 sa fabrication. Il s&#8217;agit donc d&#8217;une fibre artificielle.<\/p>\n\n\n\n<p>Le probl\u00e8me est que le mode de fabrication, en g\u00e9n\u00e9ral \u00e0 base d&#8217;ac\u00e9tone ou d&#8217;autres solvants organiques, produit beaucoup de COV (compos\u00e9s organiques volatiles) et autres d\u00e9chets qui ne sont pas franchement aimables avec le milieu ambiant.<\/p>\n\n\n\n<p>La viscose est aussi tr\u00e8s inflammable. Les retardateurs de combustion sont par ailleurs tr\u00e8s toxiques.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Les fibres qui me manquent&#8230;<\/h4>\n\n\n\n<p>Liber de tilleul et de bouleau, qui furent longtemps utilis\u00e9s, notamment au moyen-\u00e2ge.<\/p>\n\n\n\n<p>Lapin et ch\u00e8vre angora, yack&#8230;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Synth\u00e9tiques et artificielles<\/h4>\n\n\n\n<p>Il faut bien voir ce qui nous envahit&#8230;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/synthetique_1-1024x576.jpg\" alt=\"Laine fantaisie, fibres synth\u00e9ques\" class=\"wp-image-18829\" width=\"512\" height=\"288\" srcset=\"https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/synthetique_1-1024x576.jpg 1024w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/synthetique_1-300x169.jpg 300w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/synthetique_1-768x432.jpg 768w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/synthetique_1-350x197.jpg 350w, https:\/\/tinctoriales.com\/wp-content\/uploads\/2019\/08\/synthetique_1.jpg 1280w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption>Laine fantaisie, fibres synth\u00e9ques<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Visite \u00e0 leur laboratoire <\/h3>\n\n\n\n<p>Quelques temps plus tard, avant de repartir en voyage, je passe quelques jours \u00e0 Santiago. Et Fernan m&#8217;invite \u00e0 une conf\u00e9rence de ses \u00e9tudiants \u00e0 leur campus Lo Contador, Facult\u00e9 d&#8217;Architecture &#8211; Universit\u00e9 Catholique \u00e0 Santiago du Chili.<\/p>\n\n\n\n<p>C&#8217;\u00e9tait tr\u00e8s int\u00e9ressant. Il y avait l\u00e0 un <a href=\"https:\/\/tinctoriales.com\/fablab-et-microscope\/\">FabLab<\/a>, je n&#8217;ai seulement pu le voir que par une grande baie vitr\u00e9e, il y avait beaucoup de machines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nouveaux Projets avec Fernan<\/h3>\n\n\n\n<p>Voici des nouvelles fra\u00eeches. Je viens de reprendre contact avec Fernan qui me propose plusieurs projets concernant l&#8217;am\u00e9lioration de ce microscope et sa diffusion en open source et low cost.<\/p>\n\n\n\n<p>Il l&#8217;utilisait pour l&#8217;\u00e9tude des levures et veut l&#8217;adapter mieux \u00e0 l&#8217;\u00e9tude des mati\u00e8res premi\u00e8res textiles.<\/p>\n\n\n\n<p>C&#8217;est vraiment une bonne nouvelle!<\/p>\n<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>","protected":false},"excerpt":{"rendered":"<p>Tout bon livre de teinture naturelle commence par une description des mati\u00e8res premi\u00e8res. De cela d\u00e9pend le type de mordant et bien souvent le r\u00e9sultat&#8230;<\/p>\n","protected":false},"author":1,"featured_media":17669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"_joinchat":[],"footnotes":""},"categories":[270,130,141,53,1,276],"tags":[],"class_list":["post-17371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cours","category-experiences","category-generalites","category-mordant","category-non-classe","category-tissage"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"es","enabled_languages":["fr","en","es"],"languages":{"fr":{"title":true,"content":true,"excerpt":true},"en":{"title":false,"content":false,"excerpt":false},"es":{"title":false,"content":false,"excerpt":false}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mati\u00e8res premi\u00e8res, que choisir? 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