PRSu浆料完全取代PVA上浆的工艺探讨上.pdfVIP

36 6 = 24 # 344# Cotton T extile Tec hno logy 2008 6 PR-Su PVA ( ) 史博生 郑 力 [( ) ] : 研究以 PR-Su浆料完全取代 PVA 的上浆工艺对PR-Su浆料的粘着性溶解性浆液粘度热稳 定性浆膜强度浆膜 磨性降解性等指标进行了测试, 并分析了各项指标对浆纱效果的影响, 提出了适用于不 同原料不同纱号的各项工艺参数的选取范围, 针对用 PR-Su浆料完全取代 PVA 上浆实践中出现的具体问题, 提出了有效的解决措施指出: 以 PR-Su浆料完全取代 PVA, 高压桶设定温度要降低, 保温时间要缩短; 浆槽温 度要降低, 以确保浆槽粘度稳定; 浆纱回潮率要提高, 浆纱各段张力要降低, 以弥补大量使用变性淀粉后浆膜断 裂伸长偏小的不足 : 浆料; 变性淀粉; 浆液; 粘度; 浆槽温度 + : TS103. 84 6 : A : 1001-7415( 2008) 06-0024-05 Sizing P rocessing D iscussion of PR-Su Size M ixture R ep lacing PVA Sh i Bosheng Zheng Li ( Suzhou T ia hua E terprise Developm e t Co. , Ltd. ) A bstrac t S izi g processi g of PR-Su size m ixture replaci g PVA w as studied. Properties of PR-Su size m ixture w ere tested i cludi g viscos ity, d issolvab ility, s izi g viscosity, thermo-stab ility, size film stre gth, size film w earab ility, degradatio et al. Effect of each i dex o sizi g w as a alysed. Each processi g param eter ra ge w as suggested ami i g d iffere t raw material a d d iffere t yar cou t. E ffective resolvi g m easures w ere give ou t for the prob lem s that cam e from the practice of PR-Su size m ixture replaci g PVA. It is poi ted out whe usi g PR-Su sizem ixture replaci g PVA, tem perature setti g of h igh-pressure barrel should be reduced, therm al i su latio tmi e should be shorte ed, s izi g box tem perature shou ld be low er so that sizi g box viscosity is stable, sizi g m oisture regai should be i creased, each sec- tio sizi g te s io should be reduced so as to compe sate the low er size film break i g elo gatio that c