石油化工技术与经济
石油化工技術與經濟
석유화공기술여경제
TECHNO-ECONOMICS IN PETROCHEMICALS
2012年
1期
57-61
,共5页
方舟%周萌%仲建峰%董擎之
方舟%週萌%仲建峰%董擎之
방주%주맹%중건봉%동경지
阳离子%水性聚氨酯%环氧树脂
暘離子%水性聚氨酯%環氧樹脂
양리자%수성취안지%배양수지
cationic%waterborne polyurethane%epoxy resin
以异佛尔酮二异氰酸酯(IPDI)、聚酯多元醇(BG)、N-甲基二乙醇胺(MDEA)、环氧树脂(EP)、三乙醇胺(TEA)等为主要原料,采用预聚体法制备了阳离子水性聚氨酯乳液。研究了预聚体中R值(NCO基与OH基的物质的量比)、各组分的用量对水性聚氨酯乳液(WPU)及胶膜性能的影响。结果表明,当R值在3.5~4.5、EP用量在5%~6%、MDEA质量分数在5%~7%时所合成的阳离子水性聚氨酯乳液稳定性最好,胶膜的综合性能最佳。
以異彿爾酮二異氰痠酯(IPDI)、聚酯多元醇(BG)、N-甲基二乙醇胺(MDEA)、環氧樹脂(EP)、三乙醇胺(TEA)等為主要原料,採用預聚體法製備瞭暘離子水性聚氨酯乳液。研究瞭預聚體中R值(NCO基與OH基的物質的量比)、各組分的用量對水性聚氨酯乳液(WPU)及膠膜性能的影響。結果錶明,噹R值在3.5~4.5、EP用量在5%~6%、MDEA質量分數在5%~7%時所閤成的暘離子水性聚氨酯乳液穩定性最好,膠膜的綜閤性能最佳。
이이불이동이이청산지(IPDI)、취지다원순(BG)、N-갑기이을순알(MDEA)、배양수지(EP)、삼을순알(TEA)등위주요원료,채용예취체법제비료양리자수성취안지유액。연구료예취체중R치(NCO기여OH기적물질적량비)、각조분적용량대수성취안지유액(WPU)급효막성능적영향。결과표명,당R치재3.5~4.5、EP용량재5%~6%、MDEA질량분수재5%~7%시소합성적양리자수성취안지유액은정성최호,효막적종합성능최가。
The cationic waterborne polyurethane emulsion was prepared with prepolymer method and with isophorone diisocyanate (IPDI), polyester polyol (BG), N- methyldiethanolamine (MDEA), epoxy resin (EP), and triethanolamine (TEA) as main materials. The effects of R value ( molar ratio of NCO to OH) and dosage of each component on the performance of waterborne polyurethane (WPU) emulsion and glue film were studied. Result showed that the synthesized cationic waterborne polyurethane emulsion had the best stability and glue film had best comprehensive performance at the R value of 3.5 - 4.5, EP dosage of 5% - 6% , and MDEA mass fraction of 5 % - 7%.