双环戊二烯/蒎烯共聚合研究  

Research on copolymerization of DCPD/pinene

作　　者：张朝明[1] 张亚杰[1] 金文杰 余志强 张玉清[1] 

机构地区：[1]河南科技大学高分子科学与纳米技术重点实验室,洛阳471023

出　　处：《化工新型材料》2017年第12期168-171,共4页New Chemical Materials

基　　金：河南省杰出人才创新基金(074200510019)

摘　　要：研究了以三配钨酚(WCl_6)做主催化剂,一氯二乙基铝(Et_2AlCl)做助催化剂,蒎烯(Pinene)为共聚单体与双环戊二烯(DCPD)进行共聚,采用反应注射成型工艺制备出了聚双环戊二烯/蒎烯(PDCPD/Pinene)材料。并采用红外光谱、扫描电镜和热重等表征手段对复合材料的结构及性能进行了表征。结果表明:所制备出聚双环戊二烯/蒎烯复合材料,共聚物经溶剂抽提后质量不变,且红外光谱分析显示存在DCPD加成后的特征吸收峰;热失重分析显示共聚合物仅有一个分解温度。同时考察了蒎烯用量对聚双环戊二烯/蒎烯复合材料力学性能及转化率的影响。材料拉伸和冲击性能在α-蒎烯和_β-蒎烯含量均为0.5%时达到最佳,与聚双环戊二烯材料相比,拉伸性能分别提高了52.78%和53.89%;其冲击性能也分别提高了23.98%和18.86%;以α-蒎烯和_β-蒎烯混合物(其中α-蒎烯占70%,β-蒎烯占30%)与DCPD共聚,其共聚的拉伸强度和冲击强度分别提高了43.89%和15.4%。Focuses on the preparation of DCPD/pinene with copolymerizing method and using reaction injection molding,in which WCl6 used as the main catalyst,Et2 AlCl as the sub-catalyst and pinene as the monomer respectively.And also,the structure and features of composite materials were characterized by using FT-IR,scanning electron microscopy and TG.The experimental results showed：the quality of prepared DCPD/pinene remained unchanged after solvent extraction process;FT-IR spectrum showe the presence of DCPD＇s characteristic absorption peak;thermogravimetric analysis showed the prepared copolymer had only one decomposition temperature.What＇s more,the influence of pinene dosage on the mechanical properties and the conversion ratio of prepared DCPD/Pinene were analyzed.The tensile property of DCPD/pinene increased by 52.78%（α-pinene）or 53.89%（β-pinene）and the impact property of DCPD/pinene increased by 23.98%（α-pinene）and 18.86%（β-pinene）.When the dosage ofα-pinene orβ-pinene was 0.5%,which was the best,compared with common prepared DCPD/pinene.When DCPD was copolymerized with the mixture ofα-pinene andβ-pinene（70% α-pinene,30%β-pinene）,the tensile and impact properties of DCPD/pinene increased by 43.89% and 15.4% respectively.

关 键 词：聚双环戊二烯 蒎烯 共聚合 

分 类 号：TQ316.3[化学工程—高聚物工业]