Factors influencing the wet properties of leather board / Yingchua Ma in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 104, N° 1 (01-02/2020)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 104, N° 1 (01-02/2020) . - p. 33-38 Titre : Factors influencing the wet properties of leather board Type de document : texte imprimé Auteurs : Yingchua Ma, Auteur ; Dongsheng Xin, Auteur ; Runting Xia, Auteur ; Shaolan Ding, Auteur ; Fei Ma, Auteur Année de publication : 2020 Article en page(s) : p. 33-38 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caoutchouc Colles:Adhésifs Cuir reconstitué Cuirs et peaux -- Déchets -- Recyclage Cuirs et peaux de bovins Humidité -- Absorption:Eau -- Absorption Mouillabilité Polychloroprène Pressage à chaud Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The bonded leather board was prepared by hot pressing. Waste chromed cow leather was used as raw materials and bonded with chloroprene rubber adhesive (CR adhesive). The effect of process factors on the surface wettability and the water absorption under complete immersion conditions of the finished product were studied in this article. The study Pound : When the amount of the CR adhesive was enhanced, the effect was to reduce the surface wettability and the 15 minutes and 24 hours water absorption of the bonded leather; when the temperature increased, the effect was to increase the surface wettability and reduce the 15 minutes and 24 hours water absorption of the bonded leather; the time has no effect on the wet characteristics of the bonded leather; when the pressure was increased, the effect was to reduce the surface wettability of the bonded leather, and the time has no effect on the water absorption. In general, the CR adhesive-prepared bonded leather is an hydrophobic material. Note de contenu : - PREPARATION OF LEATHER BOARD - WET CHARACTERISTICS OF BONDED LEATHER : The surface wettability - Water absorption - FACTORS INFLUENCING THE WET CHARACTERISTICS OF THE CR ADHESIVE-PREPARED BONDED LEATHER AND ANALYSIS OF THE EFFECTS : Effects of adhesive sizing amount on the wet characteristics of the bonded leather - Effects of hot-pressing temperature on the wet characteristics of the bonded leather - Effects of hot-pressing time on the wet characteristics of the bonded leather board - Effects of hot-pressing pressure on the wet characteristics of the bonded leather board En ligne : https://drive.google.com/file/d/1yHlKuPx20Ceea2-i-kZ7KnQTIaLswbTr/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33541 [article]

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Optimisation of hot-pressing technique for bonded leather with CR adhesive / Yinghua Ma in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 104, N° 2 (03-04/2020)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 104, N° 2 (03-04/2020) . - p. 77-82 Titre : Optimisation of hot-pressing technique for bonded leather with CR adhesive Type de document : texte imprimé Auteurs : Yinghua Ma, Auteur ; Dongsheng Xin, Auteur ; Runting Xia, Auteur ; Shaolan Ding, Auteur ; Fei Ma, Auteur Année de publication : 2020 Article en page(s) : p. 77-82 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Contre-collage Cuir -- Collage Cuirs et peaux -- Déchets -- Recyclage Latex Pressage à chaud Résistance à la traction Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Large quantities of waste chrome leather shavings are produced during the tanning process. Recycling waste chrome shavings is carried out in a clean, simple, low-consumption manner inspired by the technology of solid wood particle board in the furniture industry, thus making high value products. This paper prepared bonded leather (BL) using CR adhesive and a vulcanising machine, the BL prepared had gond gas permeability, water absorption, and adequate tensile strength, the optimal hot-pressing conditions and formulae used were: (1) latex ratio 20%, 70°C, 5 minutes and 3MPa; (2) latex ratio 23%, 80°C, 4 minutes and 3MPa; (3) latex ratio 18%, 80°C, 5 minutes and 6MPa. Note de contenu : - METHODOLOGY : Main materials - Hot-press forming process - Measurement of physical-mechanical properties for BL - RESULTS ANALYSIS : Single factor test - Orthogonal test En ligne : https://drive.google.com/file/d/1IlQ8709yBLKJp57zK_Aiom5y2cA23YqW/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33912 [article]

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