摘要
采用湿法纺丝制备三聚氰胺甲醛纤维的关键在于获得稳定的纺丝原液。先合成低黏度水溶性的三聚氰胺甲醛预聚体(MF),再与聚乙烯醇(PVA)溶液混合,制得纺丝原液。研究了预聚体溶液及三聚氰胺(M)甲醛(F)/PVA复合纺丝溶液的稳定性,探讨了纺丝原液的黏度稳定性与预聚体结构之间的关系。结果表明:水溶性MF树脂合成的2个阶段中,树脂的结构对原液稳定性有影响;同时,原液的混合状态和结构、混合温度、混合比例等对原液稳定性也有较大影响。
The key factor of preparing melamine formaldehyde fiber is obtaining stable spinning solution. A two step procedure was used to prepare the spinning solution. The first step was to synthesize the lower viscosity and water-soluble melamine formaldehyde （MF） resins and the second one was to mix the resins with PVA solution. The viscosity＇s stability of MF＇s solution and the spinning solution of MF/PVA was investigated. Results show that resin＇ s structure at different polymerization phase has an effect on the stability of the spinning solution. At the meantime, the mixture status, mixing temperature, ratio of MF to PVA, and storage time, also had an influence on the stability of spinning solution.
出处
《纺织学报》
EI
CAS
CSCD
北大核心
2007年第11期5-8,共4页
Journal of Textile Research
关键词
三聚氰胺甲醛纤维
结构
纺丝原液
稳定性
melamine formaldehyde fiber
structure
spinning solution
stability
