CAJ | 학술논문

采用阳离子开环聚合法先合成端羟基聚环氧氯丙烷（PECH）中间体，再将其与氯乙酸和 N-甲基咪唑反应，制备端羧基聚醚咪唑离子液体（[HOOC-PECH-MIM]Cl），并用红外和核磁谱图对其结构进行表征。用合成的端羧基聚醚离子液体与酚醛树脂预聚物共混，制备了改性酚醛树脂。用 GPC 测定了[HOOC-PECH-MIM]Cl 的分子量及其分布，研究了分子量对酚醛树脂拉伸与冲击性能的影响。结果表明，合成的端羧基聚醚离子液体是目标产物，且其对酚醛树脂具有优异的增强增韧效果，当端羧基聚醚离子液体分子量为1379时，[HOOC-PECH-MIM]Cl 与酚醛树脂预聚物质量比为1：4，改性后的酚醛树脂的冲击强度由原来的3.28 MPa 提高到12.04 MPa，拉伸强度由原来的0.93 kJ/ m2提高到10.18 kJ/ m2。
채용양리자개배취합법선합성단간기취배양록병완（PECH）중간체，재장기여록을산화 N-갑기미서반응，제비단최기취미미서리자액체（[HOOC-PECH-MIM]Cl），병용홍외화핵자보도대기결구진행표정。용합성적단최기취미리자액체여분철수지예취물공혼，제비료개성분철수지。용 GPC 측정료[HOOC-PECH-MIM]Cl 적분자량급기분포，연구료분자량대분철수지랍신여충격성능적영향。결과표명，합성적단최기취미리자액체시목표산물，차기대분철수지구유우이적증강증인효과，당단최기취미리자액체분자량위1379시，[HOOC-PECH-MIM]Cl 여분철수지예취물질량비위1：4，개성후적분철수지적충격강도유원래적3.28 MPa 제고도12.04 MPa，랍신강도유원래적0.93 kJ/ m2제고도10.18 kJ/ m2。
Hydroxyl-terminated polyepichlorohydrin(PECH)intermediates was synthetized by cation ring opening polymerization method,then reacted with N-methyl imidazole and chloroacetic acid respectively to prepare carboxyl-terminated polyether imidazolium ionic liquids([HOOC-PECH-MIM]Cl). The struc-ture was characterized by IR and 1 H NMR. Phenolic resin composites were prepared by blending method with phenolic resin prepolymer and[ HOOC-PECH-MIM]Cl. Molecular mass and its distribution of [HOOC-PECH-MIM]Cl were characterized by GPC. The effects of molecular mass on tensile strength and impact strength of phenolic resins were researched. The results showed that[HOOC-PECH-MIM]Cl was the target product with excellent reinforcing and toughening effect on phenolic resin. The mass ratio of [HOOC-PECH-MIM]Cl and phenolic resin prepolymer was 1 : 4 when the molecular mass of polyether i-onic liquids was 1 379,the impact strength of modified phenolic resin increased from 3. 28 MPa to 12. 04 MPa and the tensile strength increased from 0. 93 kJ/ m2 to 10. 18 kJ/ m2 .