Hollow-core cotton yarn can be obtained by using water soluble PVA filament as the core which will be removed later and ......

以玉米淀粉为原料,以次氯酸钠为氧化剂,冷法(30℃)合成了粘接强度高、性能稳定的瓦楞纸板用氧化淀粉胶粘剂.最佳配方是:玉米淀粉13......