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涂饰方法对牛皮沙发革物化性能的影响

Effects of Finishing Methods on the Physical and Chemical Properties of Calfskin Sofa Leather

  • 摘要: 利用鸿丰公司涂饰材料进行配伍,探讨了不同涂饰工艺对牛皮沙发革物性的影响,包括重压涂饰、轻压涂饰、水性贴面革涂饰和全粒面涂饰。通过使用徐州鸿丰高分子材料有限公司提供的涂饰材料,对牛皮染色加脂皮胚进行涂饰,并对涂饰后的沙发革进行物化性能测试。测试结果表明,所有涂饰方法耐光色牢度均大于等于5级、耐摩擦色牢度均为5级。重压涂饰、轻压涂饰和水性贴面涂饰后的沙发革耐水色牢度为4~5级而全粒面涂饰为3级。所有样品的耐折牢度和撕裂强度等均符合标准要求。化学性能测试显示所有样品均符合相关标准对化学物质的限定要求,对人体安全无害。综合考虑,水性贴膜涂饰后的沙发革物理性能相对较差,而重压和轻压涂饰能在保持真皮性能的同时使沙发革具有更好的耐磨牢度。

     

    Abstract: HOFFEN company’s finishing materials were used to investigate the effects of different finishing processes on the physical properties of calfskin sofa leather, including heavy-pressure finishing, light-pressure finishing, water-based film leather finishing and full-grain finishing. The finishing materials provided by Xuzhou HOFFEN were used to finish the dyed and fat-liquored calfskin crust leather, and the physical and chemical properties of the finished sofa leather were tested. The test results indicated that all the finishing methods exhibited a light fastness rating of ≥5 and a crock fastness rating of 5. The water fastness rates were 4–5 for heavy-press finishing, light-press finishing, and water-based veneer leather, while the full-grain finishing yielded a rating of 3. Additionally, all the bending resistances and tearing strength met the standard requirements. The chemical performance tests confirmed that all the samples met the requirements of the relevant standards on the limitation of chemical substances, ensuring they are safe and harmless to the human body. The water-based film finishing was relatively poor in physical properties, while the heavy- and light-pressure finishings had better abrasion fastness.

     

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