【作者】 卢玉栋；

【导师】 吴宗华；

【作者基本信息】 福建师范大学 ， 高分子化学与物理， 2004， 硕士

【摘要】 为了利用我国丰富的淀粉资源，满足现代造纸技术对造纸助剂的更高要求，研究了淀粉与聚胺形成复合物的规律与机理，考察了淀粉／聚胺复合物作为造纸湿部添加剂的性能。第二章中考察了糊化时间、温度、助剂等条件对淀粉溶解度及性能的影响，得出了淀粉糊化的最佳条件；第三章中探讨了聚胺的结构、分子量等对原淀粉／聚胺复合物性能的影响。研究结果表明分子量为120万的CPA与淀粉形成的复合物(SCPA3)，具有阳离子淀粉的性质，在再生浆中呈现优良的作用效果。第四章中改变抄纸条件，进一步考察了SCPA复合物的性能，解析了SCPA3与松香施胶剂的相互作用，为淀粉／聚胺复合物的实际应用提供了理论基础。第五章中测定了淀粉／聚胺复合物复合前后的粘度变化及其在纸浆上的吸附量和类别，用扫描电镜、红外、紫外光谱仪等仪器观察了淀粉／聚胺复合物的物理、化学变化，以及复合物与纤维间的相互作用，探讨了淀粉／聚胺复合物的形成机理和在造纸湿部中的作用机理，丰富了高分子界面科学理论。更多还原

【Abstract】 To utilize plentifuly starch resources in our country and meet higher requests from papermaking technique to papermaking additives, the formation mechanisms of complexes between starch and polyamines were studied, and the functions of the complexes as additives in papermaking wet end were investigated. In chapter 2, the optimum conditions for starch gelatinization were obtained after studying the effects of gelatinization time, temperature, additives, ect on starch solubility and performance in the wet end.In chapter 3, the influence of polyamine structures and molecular weights on the performance of original starch/polyamine complex was studied.The results indicated that the complex(SCPA3) of starch and CPA with molecular weight of 12 million, performance like cation starch in papermaking, had the best effects on the recycled pulp.In chapter 4, the functions of complex SCPA under different papermaking conditions and the interaction effects of SCPA3 and rosin were investigated.In chapter 5 , viscosities of starch/polyamine complexes and their adsorption on the pulp fiber were mensurated.The varieties of physical and chemical properties in starch/polyamine complexes and interactions between complexes and the pulp fibers were investigated by SEM, UV, IR, etc.The formation mechanisms and the functions of starch/polyamine complexes in the papermaking wet end were discussed.The results obtained in this study enriched the theories of polymer interface science.更多还原