聚己内酯型聚羟基氨基甲酸酯的合成

上海交通大学学报（自然版） ›› 2013, Vol. 47 ›› Issue (05): 827-833.

聚己内酯型聚羟基氨基甲酸酯的合成

陆跃，饶炬，龚飞荣，陈建定

(华东理工大学材料科学与工程学院，超细材料制备与应用教育部重点实验室，上海 200237)

收稿日期:2012-04-13 出版日期:2013-05-28 发布日期:2013-05-28

Synthesis of Poly Hydroxyurethanes Based on Poly (Caprolactone)

LU Yue,RAO Ju,GONG Feirong,CHEN Jianding

(Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China)

Received:2012-04-13 Online:2013-05-28 Published:2013-05-28

摘要/Abstract

摘要：

以聚己内酯二元醇(PCLDiol)、丁二酸酐以及碳酸甘油酯为原料，合成了端基为五元环碳酸酯的聚己内酯功能性大单体(PCL2GC)；以PCL2GC、己二胺及硅烷偶联剂为原料，研究了反应条件对合成线性聚羟基氨基甲酸酯(PHU)相对分子质量及其分布的影响，以及交联密度和交联方式对PHU/SiO2热力学性能的影响.结果表明：线性PHU的相对分子质量随PCL2GC浓度和反应温度的升高而先增后减，随反应时间、胺用量的增大而降低；PHU的耐热温度相比于类似结构的传统聚氨酯提高了30~40 ℃，PHU/SiO2交联聚合物的结晶度及热稳定性随交联密度的增大而降低；交联聚合物中无定形SiO2的分布较为均匀.

关键词: 聚己内酯, 五元环碳酸酯, 聚羟基氨基甲酸酯

Abstract:

Functionalized poly (caprolactone) diol (PCL-Diol) end capped with five-membered cyclic carbonate (PCL-2GC) was synthesized from PCL-Diol, succinic anhydride and glycerol-1, 2-carbonate. The relative molecular mass and its distribution of linear polyhydroxyurethanes (PHU) prepared from the reaction of PCL-2GC with 1,6-hexanediamine decrease as the reaction time and the dosage of amine increase, while first increase with increasing PCL-2GC concentration and reaction temperature and then decrease. The heat-resistance temperature of PHU is 30—40 ℃ higher than traditional polyurethane with analogous structure. The crystallization and thermal stability of crosslinked PHU/SiO2 polymers decrease with the increase of crosslink density. The amorphous SiO2 is homodispersed in the matrix of PHU/SiO2 polymers characterized from X-ray diffraction (XRD) and scanning electron microscope (SEM).

Key words：

Key words: poly (caprolactone), five-membered cyclic carbonate, polyhydroxyurethane

中图分类号:

TQ 323.8

陆跃，饶炬，龚飞荣，陈建定. 聚己内酯型聚羟基氨基甲酸酯的合成[J]. 上海交通大学学报（自然版）, 2013, 47(05): 827-833.

LU Yue,RAO Ju,GONG Feirong,CHEN Jianding. Synthesis of Poly Hydroxyurethanes Based on Poly (Caprolactone)[J]. Journal of Shanghai Jiaotong University, 2013, 47(05): 827-833.

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