氯丁胶/铬革屑复合材料的表面润湿性和吸水性研究

Study on surface wettability and water absorption of composite material made by CR adhesive and chromed leather scraps

以废弃的牛皮铬鞣革屑为原材料,以氯丁胶为胶粘剂,采用热压法制备真皮颗粒革,主要探索工艺要素对成品复合材料表面润湿性和吸水性的影响。研究发现:氯丁肢施胶量对复合材料的表面润湿性、15 min吸水性和24 h吸水性具负比影响;热压温度对表面润湿性具正比影响,对15 min吸水性和24 h吸水性具负比影响;热压时间对湿特性无影响;热压压力对表面润湿性具负比影响,对吸水性无影响。总体来说,氯丁胶/铬革屑复合材料为疏水性材料。

The composite material 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 wet properties and the water absorption under complete immersion conditions of the finished product were studied.The results indicate that when the amount of the C.R adhesive is enhanceol,the effect is to reduce the surface wet properties and the 15 minuted and 24 hours water absorption of the composite material.W hen the temperature is increased,the effect is to increase the surface wet properties and reduce the 15 minutes and 24 hours water absorption of the compositc material.The time has no effect on the wet characteristics of the composite material.When the pressure is in-creased.the effect is to reduce the surface wet properties of the composite material,and the time has no effect on the water absorption.In general,the CR adhesive-prepared composite material is hydrophobic material.