中国造纸2013,Vol.32Issue(5):11-16,6.
嵌段共聚型固着剂的合成及其对溶解与胶体物质的聚集行为
Synthesis of a Block Copolymer-based Fixing Agent and Its Agglomeration Behavior with Dissolved and Colloidal Substances
摘要
Abstract
A novel block copolymer of acrylamide and dillyldimethyl ammonium chloride (P (AM-b-DADMAC)) was prepared by reversible addition fragmentation chain transfer (RAFT) polymerization and its structural characteristics were analyzed by FT-IR,1H-NMR and SEC measurements.Turbidimetry and focused beam reflectance measurement (FBRM) were used to investigate its behavior in agglomerating dissolved and colloidal substances (DCS) from the unbleached thermomechanical pulp.The results indicated that P(AM-b-DADMAC) block copolymer with controlled polydispersity index (PDI) and composition could be successfully synthesized in aqueous solution by using RAFT method.The block copolymer was proved to be more effective in the treatment of dissolved substances (DS) and colloidal substances (CS) compared to the PDADMAC homopolymer,due to its unique physical and chemical properties.关键词
可逆加成断裂链转移聚合/固着剂/溶解与胶体物质/聚集Key words
RAFT polymerization/ fixatives/ dissolved and colloidal substances/ agglomeration分类
轻工纺织引用本文复制引用
李国栋,王立军,张旖倩,肖禾..嵌段共聚型固着剂的合成及其对溶解与胶体物质的聚集行为[J].中国造纸,2013,32(5):11-16,6.基金项目
本课题得到国家自然科学基金项目(31070529)的资助. (31070529)