聚酯纤维表面改性及其对纸张性能的影响  

The Modification of PET Fibers and Its Effect on Paper Properties

作　　者：党育红[1] 李鸿魁[1] 张丽珍[1] 徐晓蔓[1] 张佩娜[1] 

机构地区：[1]陕西科技大学轻工与能源学院,陕西省造纸技术及特种纸品开发重点实验室,陕西西安710021

出　　处：《造纸科学与技术》2014年第5期17-22,共6页Paper Science & Technology

基　　金：陕西省教育厅专项科研计划项目(2010JK439);陕西省教育厅省级重点实验室重点科研计划项目(2010JS051)

摘　　要：对聚酯纤维(PET)三种表面改性方法及其对纸张性能的影响进行了研究。结果表明:碱减量法Na OH质量分数3%,碱处理时间60min,碱处理温度80℃,PET用量5%时纸张抗张强度较高,较未添加时提高了28.53%;最佳工艺下,增强剂CMC最佳用量为0.8%,苯丙胶乳增强效果不明显;聚丙烯酰胺(PAM)包覆法PAM浓度为0.0010g/m L,反应时间3h,反应温度35℃,PET用量5%时纸张抗张强度较高,较未添加时提高了19.18%。在最佳配比下,增强剂CMC和苯丙胶乳最佳用量分别为0.5%和0.2%;高锰酸钾引发PET接枝共聚法间甲酚浸泡温度50℃,浸泡时间3h,KMn O4浓度0.005mol/L,H2SO4浓度0.03 mol/L,丙烯酸浓度2.70mol/L,改性纤维用量为5%时,接枝率2.93%,抗张强度比未添加时提高了32.68%;对本研究中的三种方法,高锰酸钾引发PET接枝共聚法效果最好。The polyester （PET）fiber was modified by NaOH , PAM and graft copolymerization modification of polyester fiber initiated by potassium permanganate was studied in this paper. It was showed that the best method was initiated by potassium permanganate. The optimal technical conditions are as follows： soaking time 3h and temperature 50℃ in m -cresol, KMnO4 concentration 5.0 × 10^-3mol/L, H2SO4concentration 0.03 mol/L, acrylic acid concentration 2.70mol/L and the dosage of fiber 5%. Under these conditions, the tensile strength of the prepared samples can be improved by 32.68% ,and the graft yield is 2.93%. It is shown that the strength of the paper can be increased with the modified PET fiber.

关 键 词：聚酯纤维 碱减量法 聚丙烯酰胺包覆 接枝改性 物理性能 

分 类 号：TS758[轻工技术与工程—制浆造纸工程]