Advanced Lycra 'Fiber for lightweight fabrics / Steven Smith in CHEMICAL FIBERS INTERNATIONAL, Vol. 65, N° 1 (03/2015)  

[article]  inCHEMICAL FIBERS INTERNATIONAL > Vol. 65, N° 1 (03/2015) . - p. 36-38 Titre : Advanced Lycra 'Fiber for lightweight fabrics Type de document : texte imprimé Auteurs : Steven Smith, Auteur ; Koos Snijders, Auteur ; Wim Bakker, Auteur ; Raymond Leung, Auteur Année de publication : 2015 Article en page(s) : p. 36-38 Langues : Anglais (eng) Catégories : Elasthanne Fibres textiles bi-composant Filature Fils multifilaments Tricot circulaire Index. décimale : 677.4 Textiles artificiels Résumé : In order to satisfy growing demand for fine-denier elastane fibers, a recent innovation implements a cross-section including at least 2 distinct regions with specific functional attributes. Lycra T222S fiber offers splittable (separable) spandex multifilament yarns wherein surface modification of the fiber prevents coalescence or adhesion of the individual filaments during manufacture, storage, and processing. The separable multifilament yarns result in a multi-end yarn package of monofilament yarns which are useful for lightweight knit fabrics with improved economics. Lycra T222S fiber provides a low-friction spandex elastomeric yarn suitable for knitting, beaming, and covering applications. A key aspect of the bicomponent fiber is a novel surface structure which reduces fiber friction, decreases tackiness, and sustains robust separation of a multifilament yarn under a variety of textile processing. Note de contenu : - TEST METHODS - EXPERIMENTAL - RESULTS AND DISCUSSION : Core spinning - Hollow spindle covering - Circular knitting - Elastic yarn beaming - Table 1 : Physical properties of spandex fibers - Fig. 1 : Preparation of core-spun covered yarn from a multi-end spandex package - Fig. 2 : Hollow spindle covering process from a multi-end spandex package - Table 2 : Fabric properties with T222S and control - Fig. Circular knitting process using from a multi-end spandex package and includes photos of T222S package with split point on drive roll - Fig. 4 : Warping/beaming process using a multi-end spandex package En ligne : https://drive.google.com/file/d/1SSOBcQgfEvsYfZU4qkZkfSWXGecZtbaa/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23668 [article]

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Coatings with recycled polyvinyl butyral on polyester and polyamide mono- and multifilament yarns / Rike Brendgen in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 18, N° 3 (05/2021)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 18, N° 3 (05/2021) . - p. 819-829 Titre : Coatings with recycled polyvinyl butyral on polyester and polyamide mono- and multifilament yarns Type de document : texte imprimé Auteurs : Rike Brendgen, Auteur ; Carsten Graßmann, Auteur ; Thomas Grethe, Auteur Année de publication : 2021 Article en page(s) : p. 819-829 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Dispersions et suspensions Enrobage (technologie) Fibres textiles -- Propriétés chimiques Fibres textiles -- Propriétés mécaniques Fibres textiles -- Propriétés physiques Fibres textiles synthétiques Fils multifilaments Monofilaments Polyamides Un polyamide est un polymère contenant des fonctions amides -C(=O)-NH- résultant d'une réaction de polycondensation entre les fonctions acide carboxylique et amine. Selon la composition de leur chaîne squelettique, les polyamides sont classés en aliphatiques, semi-aromatiques et aromatiques. Selon le type d'unités répétitives, les polyamides peuvent être des homopolymères ou des copolymères. Polyesters Polymères -- Recyclage Polyvinyle butyrale Produits et matériaux recyclés Résistance à l'abrasion Réticulation (polymérisation) Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Polyvinyl butyral is used in safety glass interlayers, mainly in car windshields. Legislative regulations require a recycling of cars after their lifetime and therefore also their safety glass. This causes the availability of recycled polyvinyl butyrate (r-PVB) originated from safety glass interlayers. Due to deteriorated optical properties, such as the transparency, and unknown amounts of plasticizers, it is challenging to reuse the recycled material in new windshields. Therefore, it is of particular interest to find new fields of application for r-PVB, such as the usage as a textile coating. In this research, r-PVB was investigated as a material for yarn coating. Polyester and polyamide mono- and multifilament yarns were coated continuously with solely a polymer dispersion and with mixtures of crosslinking agent and polymer dispersion. Crosslinked r-PVB coatings showed enhanced properties toward abrasion and chemical resistance. Coatings without the crosslinking agent showed a diminished abrasion resistance and could be washed off with ethanol. Mechanical properties of the monofilaments were influenced by the r-PVB coating in general. However, varying concentrations of the crosslinking agent did not affect the mechanical properties. Note de contenu : - Materials - Coating dispersions and process - Analytics - Table 1 : Used PVB coating dispersions with increasing amount of added crosslinking agent - Table 2 : Chemical and physical properties of filaments coated with r-PVB DOI : https://doi.org/10.1007/s11998-020-00445-x En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00445-x.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35932 [article]

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Crimping of island-in-the-sea microfibers for air filtration media / Lukas Herrmann in MAN-MADE FIBERS INTERNATIONAL, Vol. 73, N° 4 (2023)  

[article]  inMAN-MADE FIBERS INTERNATIONAL > Vol. 73, N° 4 (2023) . - p. 34-39 Titre : Crimping of island-in-the-sea microfibers for air filtration media Type de document : texte imprimé Auteurs : Lukas Herrmann, Auteur Année de publication : 2023 Article en page(s) : p. 34-39 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Fils multifilaments Filtration Filtres à air Microfibres Polyamide 12 Sertissage Index. décimale : 677.4 Textiles artificiels Résumé : Energy and resource efficiency are crucial in the context of the energy transition. The building sector in particular is a major contributor to climate-damaging greenhouse gas (GHG) emissions. In order to reduce these emissions, a significant increase in energy efficiency in residential buildings is highly relevant. Ventilation systems with heat recovery have a big impact on reducing energy consumption of residential buildings. Promoting the increased use of these systems in residential buildings could make a decisive contribution to achieving the goals of the energy transition. Note de contenu : - Production innovation - Requirements for ail filter media - Process development - Fiber innovation - Microfiber crimping results and discussion - Fig. 1 : Calculation program for filter efficiency and pressure drop - Fig. 2 : Island-in-the-sea microfiber multifilament yarn - Fig. 3 : Measurement of crimp contraction according to standard - Fig. 4 : Crimp contraction and crimp geometries - Fig. 5 : Crimped island-in-the-sea multifilament yarn/crimped PA12 microfiber multifilament yarn En ligne : https://drive.google.com/file/d/1pRSpBETI14eYVPjgIYfGvPWJSkcxRFim/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40535 [article]

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Crimping of island-in-the-sea microfibers for air filtration media / Lukas Herrmann in TECHNICAL TEXTILES, Vol. 67, N° 2 (2024)  

[article]  inTECHNICAL TEXTILES > Vol. 67, N° 2 (2024) . - p. 37-44 Titre : Crimping of island-in-the-sea microfibers for air filtration media Type de document : texte imprimé Auteurs : Lukas Herrmann, Auteur Année de publication : 2024 Article en page(s) : p. 37-44 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Chaleur -- Récupération Construction -- Matériaux Fil a texture étiré Fils multifilaments Filtration Filtres à air Microfibres Nontissés Polyacétate de vinyle Polyamide 12 Sertissage Textiles et tissus -- Emploi dans la construction Textiles et tissus à usages techniques Index. décimale : 677.6 Tissus obtenus par des procédés spéciaux, quelle que soit leur composition : jacquard, feutres tissés et non tissés, tapisseries, tissus ajourés Résumé : Energy and resource efficiency are crucial in the context of the energy transition. The building sector in particular is a major contributor to climate-damaging greenhouse gas (GHG) emissions. In order to reduce these emissions, a significant increase in energy efficiency in residential buildings is highly relevant. Ventilation systems with heat recovery have a big impact on reducing energy consumption of residential buildings. Promoting the increased use of these systems in residential buildings could make a decisive contribution to achieving the goals of the energy transition. Note de contenu : - Product innovation - Requirements for air filter media - Process development - Fiber innovation - Microfiber crimping results and discussion : BCF process - DTY texturing - Crimp contraction CC according to DIN 53840 - Fig. 1 : Calculation program for filter efficiency and pressure drop - Fig. 2 : Island-in-the-sea microfiber multifilament yarn - Fig. 3 : Measurement of crimp contraction according to standard - Fig. 4 : Crimp contraction and crimp geometries - Fig. 5 : Crimp island-in-the-sea multifilament yarn/crimped PA12 microfiber multifilament yarn En ligne : https://drive.google.com/file/d/1FGOHB5_JCmbk3qdrbhR05lR3qR-Otat8/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41088 [article]

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Effect of yarn winding tension on characteristics of air-jet textured yarns / Mahesh Y. Gudiyawar in CHEMICAL FIBERS INTERNATIONAL, Vol. 70, N° 4 (12/2020)  

[article]  inCHEMICAL FIBERS INTERNATIONAL > Vol. 70, N° 4 (12/2020) . - p. 147-148 Titre : Effect of yarn winding tension on characteristics of air-jet textured yarns Type de document : texte imprimé Auteurs : Mahesh Y. Gudiyawar, Auteur ; Devendra Rathod, Auteur Année de publication : 2020 Article en page(s) : p. 147-148 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Enroulement sur fil Fibres textiles -- Propriétés mécaniques Fils multifilaments Texturation par jet d'air Procédé de texturation au cours duquel le fil passe dans une zone turbulente d'un jet d'air à une vitesse supérieure plus rapide que celle avec laquelle il a été étiré sur le côté éloigné du jet. Sous l'action du jet, la structure du fil est ouverte, des boucles sont formés, ensuite la structure du fil est ouverte, des boucles sont formées, ensuite la structure du fil se referme encore. Certaines boucles sont fixées à l'intérieur du fil, d'autres sur sa surface. Un exemple de ce procédé est le procédé Taslan. Index. décimale : 677 Textiles Résumé : The structure of air-jet textured filament yarns is different from other yarns due to the loops on yarn surface. The characteristics of air-jet textured yarns are also dependent on these surface loops.These surface loops on yarn are affected by winding process tension. In order to understand the influence of the winding tension on air-jet textured yarn characteristics, air-jet textured yarn packages were prepared with different winding tension on winding machine. The loop frequency, loop stability, bulkiness, dimensional stability and tensile strength of yarn were evaluated, and it was found that as the winding tension increases, loop frequency, bulkiness, elongation of yarn decrease, and strength and dimensional stability of air textured yarn improve. Therefore, winding yarn tension for air textured yarns needs to be set at a suitable level to achieve the desired air textured yarn characteristics. Note de contenu : - MATERIALS AND METHODOLOGY : Testing - RESULTS AND DISCUSSION : Effect of winding tension on yarn fineness - Effect of winding tension on yarn tensile characteristics - Effect of winding tension on physical bulk of air-textured yarn - Effect of winding tension on loop instability - Effect of winding tension on dimensional stability of the yarn - Table : Characteristics of air-jet textured yarns after winding En ligne : https://drive.google.com/file/d/1s0q7NmDF-YCKFqBZQqouCyvsCayCC7DF/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35027 [article]

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Knot-free joining of filament yarns in CHEMICAL FIBERS INTERNATIONAL, Vol. 70, N° 4 (12/2020)  

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Melt spinning of thermoplastic polyurethane - solvent-free alternative conventional solution spinning process / Pavan Kumar Manvi in CHEMICAL FIBERS INTERNATIONAL, Vol. 69, N° 4 (12/2019)  

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Melt spinning of thermoplastic polyurethane solvent-free alternative to conventional solution spinning process / Pavan Kumar Manvi in CHEMICAL FIBERS INTERNATIONAL, Vol. 70, N° 4 (12/2020)  

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Mise au point d'une fibre super conductrice de l'électricité CNTEC / Akira Yonenaga in L'INDUSTRIE TEXTILE, N° 1393 (09-10/2008)  

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New functional additive / Marti España in CHEMICAL FIBERS INTERNATIONAL, Vol. 65, N° 1 (03/2015)  

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New functional additive / Marti España in CHEMICAL FIBERS INTERNATIONAL, (09/2015)  

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New ultra-flat high tenacity yarn for technical applications / Marianne Bongartz in CHEMICAL FIBERS INTERNATIONAL, Vol. 65, N° 1 (03/2015)  

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New ultra-flat high tenacity yarn for technical applications / Marianne Bongartz in CHEMICAL FIBERS INTERNATIONAL, (09/2015)  

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Organoclay-assisted vat dyeing of polypropylene nanocomposite fabrics / Yehya A. Youssef in COLORATION TECHNOLOGY, Vol. 137, N° 6 (12/2021)  

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Recyclage and ecological multifilament yarns for sports bandages / Ricarda Wissel in MAN-MADE FIBERS INTERNATIONAL, Vol. 74, N° 2 (2024)  

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Supertex - Sustainable technical textile from recycled polyester / Isabel de Schrijver in CHEMICAL FIBERS INTERNATIONAL, Vol. 64, N° 1 (03/2014)  

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Sustainable production of high-purity chitosan filament yarns with high performance and functionality / Irina Kuznik in MAN-MADE FIBERS INTERNATIONAL, Vol. 73, N° 3 (2023)  

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Sustainable technical textile from recycled polyester / Isabel de Schrijver in CHEMICAL FIBERS INTERNATIONAL, (10/2014)  

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Technologies for washing of yarns and their technical realization / Steffen Müller-Probandt in CHEMICAL FIBERS INTERNATIONAL, Vol. 64, N° 4 (12/2014)  

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