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APMP制浆废液接枝共聚交联改性及其应用的研究 |
Graft Copolymerization and Crosslinking Modification of APMP Effluent and Its Applications |
收稿日期: |
DOI:10.11980/j.issn.0254-508X.2014.05.002 |
关键词: APMP制浆废液 半纤维素 接枝共聚交联改性 瓦楞原纸 表面施胶 |
Key Words:APMP effluent hemicellulose graft copolymerization and crosslinking modification corrugating medium surface sizing |
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摘要:以FeSO4-H2O2为引发剂系统研究了APMP制浆废液与丙烯酰胺(AM)、甲基丙烯酰氧乙基三甲基氯化铵(DMC)、N,N’-亚甲基双丙烯酰胺(MBA)接枝共聚交联改性。重点考察了体系反应浓度、反应pH值、交联剂MBA用量对单体转化率、接枝率、接枝效率及产物表观黏度的影响。将接枝共聚交联产物用于瓦楞原纸的表面施胶,考察了反应条件、接枝共聚交联产物用量对瓦楞原纸强度性能及抗水性能的影响。利用傅里叶红外光谱仪对接枝共聚交联产物结构进行了表征,利用热重分析仪分析了接枝共聚交联产物的热性质。 |
Abstract:In this article, using Fenton agent(FeSO4-H2O2)as initiator graft copolymerization and crosslinking modification of APMP effluent with acrylamide(AM), methacryloyloxy ethyl trimethyl ammonium chloride(DMC) and N, N’-methylene bisacrylamide(MBA)was investigated. The effects of reaction conditions(total active ingredient concentration, reaction pH, the dosage of crosslinker)on grafting percentage(G), grafting efficiency (GE), monomer conversion percentage(C), and viscosity of the product were studied. Surface sizing with the product was applied to the corrugating medium, the effects of the graft copolymer on the strength and water resistance of the corrugating medium were studied. The chemical structure and composition of the graft copolymer were characterized by Fourier transforms infrared(FT-IR). Its thermal property was investigated by thermos gravimetric analysis (TGA). |
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