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大发彩票app下载地址
大发彩票app下载地址
大发彩票app下载地址
大发彩票app下载地址
大发彩票app下载地址
联系大发彩票app下载地址

大发彩票app下载地址

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大发彩票app下载地址资讯
从初代人造革到超纤革
人造皮革作为天然皮革的替代品,像PVC人造革、PU人造革等,不仅能够克服真皮利用率低、耐磨性差、撕裂强度低、质地不匀和难以裁剪等缺点,而且解决了真皮资源日趋紧张的问题。
初代的人造皮革很多缺点,如手感僵硬、柔软度差等等。随着第2代人造皮革的诞生,其有有较好的耐光老化性和耐水解稳定性等诸多优点,已成为代替天然皮革的理想材料。
人造皮革按照涂覆层材料的不同,可以分为PVC人造皮革和PU人造皮革,PU人造皮革包含一般PU革和超细纤维革。
超细纤维PU合成革的出现是第三代人工皮革。其三维结构网络的无纺布为合成革在基材方面创造了赶超天然皮革的条件。该大发彩票app下载地址结合新研制的具有开孔结构的PU浆料浸渍、复合面层的加工技术,发挥了超细纤维巨大表面积和强烈的吸水性作用,使得超细级PU合成革具有了束状超细胶原纤维的天然革所固有的吸湿特性,因而不论从内部微观结构,还是外观质感及物理特性和人们穿着舒适性等方面,都能与高级天然皮革相媲美了。
此外,超细纤维合成革在耐化学性、质量均一性、大生产加工适应性以及防水、防霉变性等方面更超过了天然皮革。
大发彩票app下载地址
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