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第 36 卷第 2 期                             精   细   化   工                                  Vol.36, No.2
             201 9 年 2 月                             FINE CHEMICALS                                 Feb.    2019


              橡塑助剂
                    氰尿酸钙/锌的制备及其在 PVC 制品中的应用



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                       胡程程 ,陈   颖 ,李晓斌 ,陈祥迎 ,黄先胜 ,李   平
                 (1.  合肥工业大学  化学与化工学院,安徽  合肥  230009;2.  安徽佳先功能助剂股份有限公司,安徽  蚌
                 埠    233010)
                 摘要:以氰尿酸、氢氧化钙和氧化锌为原料,去离子水为溶剂,分别合成了聚氯乙烯(PVC)用热稳定剂氰尿
                 酸钙、氰尿酸锌。采用元素分析仪(EA)、傅里叶变换红外光谱仪(FTIR)、热失重分析仪(TG)以及扫描电
                 镜(FESEM)对氰尿酸钙/锌进行了表征分析。通过烘箱热老化和刚果红测试考察了氰尿酸钙/锌对 PVC 制品热
                 稳定性能的影响,并对热稳定机理进行了探究。结果表明,单独加入 PVC 质量 1%的氰尿酸钙或氰尿酸锌,PVC
                 制品的热稳定性要优于加入等量的硬脂酸钙或硬脂酸锌;氰尿酸钙/锌复配后表现出良好的协调作用,氰尿酸钙
                 /锌最佳质量比为 3∶1,热稳定时间达 28 min,PVC 试片在 70 min 完全锌烧;并且,环氧大豆油(ESBO)是一
                 种非常适合氰尿酸钙/锌体系的辅助稳定剂,能够进一步提高 PVC 体系的热稳定性能。
                 关键词:氰尿酸钙;氰尿酸锌;PVC;环氧大豆油;热稳定剂;橡塑助剂
                 中图分类号:TQ314.24      文献标识码:A      文章编号:1003-5214 (2019) 02-0328-08


                                Preparation of Calcium/Zinc Cyanurate and Its
                                           Application in PVC Products


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                              HU Cheng-cheng , CHEN Ying , LI Xiao-bin , CHEN Xiang-ying ,
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                                               HUANG Xian-sheng , LI Ping
                 (1.  School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei  230009, Anhui, China;  2.  Anhui
                 Jiaxian Functional Auxiliaries Co., Ltd., Bengbu 233010, Anhui, China)
                 Abstract:  A  new  kind  of  poly(vinyl  chloride)  (PVC)  thermal  stabilizer,  calcium/zinc  cyanurate  was
                 synthesized using cyanuric acid, calcium hydroxide and zinc oxide as raw materials, and deionized water as
                 solvent. Calcium/zinc cyanurate was characterized by elemental analyzer (EA), Fourier transform infrared
                 spectrometer  (FTIR),  thermogravimetric  (TG)  analysis  and  field  emission  scanning  electron  microscopy
                 (FESEM). The effects of calcium/zinc cyanurate on the thermal stability of PVC products were investigated
                 by oven aging test and Congo red test. The mechanism of thermal stability was also explored. The results
                 showed that with the same addition amount (1%, based on the mass of PVC), the thermal stability of PVC
                 samples  stabilized  with  calcium  cyanurate  or  zinc  cyanurate  alone were  better  than that  of the samples
                 stabilized with calcium stearate or zinc stearate. The calcium/zinc cyanurate composite system showed good
                 synergistic effect. The best mass ratio of calcium cyanurate to zinc cyanurate was 3∶1, and the thermal
                 stability time reached 28 min. The calcium/zinc cyanurate composite system could effectively delay "zinc
                 burning" of PVC with a stability time as long as 70 min. Additionally, epoxidized soybean oil (ESBO) was
                 an auxiliary stabilizer for the calcium/zinc cyanurate composite system, which could further improve the
                 thermal stability of PVC system.
                 Key words: calcium cyanurate; zinc cyanurate; PVC; epoxidized soybean oil; thermal stabilizer; rubber and
                 plastics auxiliaries
                 Foundation item: Key Research and Development Plan Projects of Anhui Province in 2018 (1804a09020066)



                 收稿日期:2018-07-02;  定用日期:2018-11-04; DOI: 10.13550/j.jxhg.20180483
                 基金项目:安徽省 2018 年重点研究与开发计划项目(1804a09020066)
                 作者简介:胡程程(1992—),男,硕士生。联系人:陈祥迎(1976—),男,教授,硕士生导师,E-mail:chenxy@hfut.edu.cn。
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