磷酸-氨基甲酸酯直链淀粉浆液性能研究

Research of Phosphate-carbamate Amylose Sizing Property

探讨磷酸-氨基甲酸酯直链淀粉的浆液性能。制备了磷酸-氨基甲酸酯直链淀粉、磷酸酯直链淀粉、磷酸酯淀粉,并采用对比试验确定了磷酸-氨基甲酸酯直链淀粉适宜于上浆的氨基甲酸酯取代度;测定并比较了磷酸-氨基甲酸酯直链淀粉浆液、磷酸酯直链淀粉和PVA混合浆液、磷酸酯直链淀粉浆液、磷酸酯淀粉浆液、直链淀粉浆液、玉米淀粉浆液的糊化温度、黏度和黏度热稳定性;用以上各种浆液在C 19.5 tex纱和T/C13 tex纱上进行了上浆试验,并进行了强伸性测定和比较。结果表明:磷酸-氨基甲酸酯直链淀粉浆液与磷酸酯直链淀粉和PVA混合浆液的性能基本相当,明显好于其他浆液,可满足纯棉纱和涤棉纱的上浆要求。认为磷酸-氨基甲酸酯直链淀粉浆液有可能成为取代PVA的纺织浆料。

Sizing property of phosphate-earbamate amylose was discussed. Phosphate-earbamate amylose, phosphate amylose and phosphate starch were prepared. Through contrast test, proper substitution of carbamate was identified for phosphate-carbamate amylose. Gelatinization temperature, viscosity and viscosity thermal stability were tested and contrasted for phosphate-earbamate amylose sizing, phosphate amylose and PVA blending sizing, phosphate amylose sizing,phosphate starch sizing,amylose sizing,corn starch sizing. The above sizings were used to size C 19.5 tex yarn and T/C 13 tex yarn, strength and elongation of the sized yarn were tested and contrasted. The result shows that sizing properties of phosphate-carhamate amylose and phosphate amylose ＆ PVA are basically same and better than that of the other sizing obviously, sizing demands of pure cotton yarn and polyester cotton blended yarn can be reached. It is considered that phosphate-carbamate amylose can be textile size mixture or replace PVA.