BTCA ve CA Çapraz Bağlayıcılar Kullanılarak Pamuklu Kumaşın Kopma ve Yırtılma Mukavemetinin Geliştirilmesi

Öz

Polikarboksilik asitler, sodyum hipofosfit ile formaldehit içermeyen çapraz bağlayıcı maddeleri olarak kullanılmaktadır. Bu çalışmada, %100 pamuk dimi yapısında kumaşlar kullanılarak altı farklı kaplama reçetesi ile kumaşın kopma, uzama ve yırtılma mukavemetleri belirlenmiştir. Kullanılan kumaş cinsine, kaplama reçetesine ve çapraz bağlayıcı yapısına göre elde edilen sonuçlar karşılaştırılmış ve istatiksel olarak değerlendirilmiştir. 1 g Cu2 O<5 μm, CuO<5 μm, ZnO<5 μm ve 5 g 1,2,3,4-BTCA ile kaplamadan sonra kopma mukavemetinde önemli bir artış gözlenmiştir. Pamuklu dokuma kumaşta birim uzunluktaki çözgü iplik sayısının fazla olması, çekme mukavemetinin artışına yol açmaktadır. Kopma mukavemeti ve kopma uzamasında en iyi sonuç; poliakrilat binderin BTCA ve ZnO mikro partikülü ile reaksiyonu sonrasında elde edilmiştir.

Anahtar Kelimeler

• Dokuma kumaş
• Kopma ve Yırtılma mukavemeti
• Kopma uzaması
• Kaplama reçetesi
• Çapraz bağlayıcı yapısı

Improving the Breaking and Tear Strength of Cotton Fabric Using BTCA and CA Crosslinkers

Öz

Polycarboxylic acids are used as crosslinking agents with sodium hypophosphite which do not contain formaldehyde. In this study, breaking strength, breaking elongation and tear strength of cotton(twill weave)fabric samples were determined by using twill fabrics, six different coating recipes, produced with 100% cotton yarns. The results of breaking strength, breaking elongation and tear strength testing were compared according to the fabric structure, coating recipes and crosslinker structure statistically. A significant increase in tensile strength was observed after coating with 1g Cu2O|<5 μm, CuO<5 μm, ZnO<5 μm and 5 g 1,2,3,4-BTCA. The high number of warp threads per unit length in cotton woven fabric leads to an increase in tensile strength. The best results in tensile strength and elongation at break experiments were obtained after the reaction of polyacrylate binder with BTCA and ZnO microparticles.

Anahtar Kelimeler

• Woven fabric
• Breaking and Tearing strength
• Breaking elongation
• Coating recipes
• Crosslinker structure

Kaynakça

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