Page 146 - 201808

·1394· 精细化工 FINE CHEMICALS 第 35 卷

水滑石的 PVC 混料的动态热稳定时间均在 31 min [8] Wang Kai (王凯), Yue Bangyi (岳邦毅), Zhu Jian (朱建), et al.
Synthesis and application of intercalated Mg-Zn-Al hydrotalcite in
左右，其他改性 Zn-Mg-Al 水滑石的动态热稳定时 PVC[J]. Inorganic Chemicals Industry (无机盐工业), 2017, 49(1):
间则相对较短，约为 26~28 min。上述结果表明， 33-37.
[9] Fan Huilin (范惠琳), He Wei (何伟), Jiang Yingying (姜莹莹), et al.
Zn-Mg-Al 水滑石中的锌含量对其热稳定性能具有 Effect of the borate -intercalation LDHs on property of soft PVC[J].
2+
2+
显著影响，其中，n(Zn )︰n(Mg )=1︰3 或 1︰7 的 Application of Engineering Plastics (工程塑料应用), 2011, 39(4):
10-13.
改性 Zn-Mg-Al 水滑石的综合热稳定性能最优，这与 [10] Liu Qingfeng (刘庆丰), Wang Libing (王立兵). Synthesis of
文献报道的Zn-Mg-Al水滑石的性能评价结果一致 [27] 。 hydrotalcite modified alkylated polyester hyperdispersants and their
application in PVC[J]. Polyvinyl Chloride (聚氯乙烯), 2013, 41(5):
2+
其可能的原因是，Zn-Mg-Al 水滑石中 Zn 含量的增 26-28.
加有利于提升其抑制 PVC 的初期着色性能，但 Zn 2+ [11] Pan Haitao (潘海涛), Yuan Yuping (袁玉苹). Study on preparation
and structure of intercalated hydrotalcite[J]. Silicon Valley (硅谷),
含量的增加也会使“锌烧”现象更易发生，不利于 2011, (23): 95-97.
2+
PVC 的长期热稳定性；Mg 含量的增加则有利于提 [12] Gao Kun (高昆), Wang Chaohui (汪朝晖), Wang Xiaogzu (汪效祖).
Hydrothermal synthesis and characterization of Zn-Mg-Al hydrotalcite[J].
高水滑石结构的规整性和结晶度，有利于提高水滑 Fine Chemicals (精细化工), 2013, 30(2): 127-128.
2+
石的长期热稳定性能。但 Mg 含量超过体系的稳定 [13] Labuschagne F J W J (Johan), Molefe Dan Matlhomola, Focke
2+
值（合成高纯度 Zn-Mg-Al 水滑石所需 Mg 的含量） Walter W, et al. Heat stabilising flexible PVC with layered double
hydroxide derivatives[J]. Polymer Degradation and Stability, 2015,
2+
时，Mg 可能会在碱性条件下生成少量 Mg(OH) 2 ， 113: 46-54.
[14] Zhu Jian (朱建), Zhnag Xiuqin (张秀芹), Jin Ji (金吉), et al.
使 Zn-Mg-Al 水滑石的热稳定性受到影响。因此， Synthesis of Zn-Mg-Al-CO 3 LDHs with urea hydrothermal method
2+
2+
具有较好性能的 Zn-Mg-Al 水滑石中的 Zn /Mg 物 and its formation mechanism[J]. Inorganic Chemicals Industry (无机
盐工业), 2016, 48(3): 39-42.
质的量比需达到一个平衡值。根据实验及文献报道 [15] Yi Shi, Yang Zhanhong, Wang Shengwei, et al. Effects of MgAlCe-CO 3
2+
2+
的结果，n(Zn )︰n(Mg )的平衡值约为 1︰3 或 1︰7。 layered double hydroxideson the thermal stability of PVC resin[J].
Journal of Applied Polymer Science, 2010, 119: 2620-2626.
[16] Wen Xing (文星), Yang Zhanhong (杨占红). Preparation and
3 结论 application of hydrocalumites in PVC [J]. Plastics Auxiliaries (塑料
助剂), 2015, (2): 27-31.
（1）在考察的表面改性剂中，聚乙二醇对 [17] Xu Fang (徐芳). Preparation and characterization of ethylene-diamine
tetra-acetic acid pillared MgZnAl layered double hydroxides[J].
Zn-Mg-Al 水滑石热稳定剂的改性效果最佳，其抑制 Chinese Journal of Chemistry (化学研究), 2014, 25(2): 158-160.
PVC 的初期着色性及长期热稳定性能均最好。与传 [18] Chen Xiaoqing (陈晓青), Fu Zhaodi (符招弟), Jiao Feipeng (焦飞
鹏), et al. Assembly and characterization of (+)-D-dibenzoyl-D-tartaric
统 Mg-Al 水滑石（白度 84.87）相比，改性 Zn-Mg-Al acid pillared hydrotalcite[J]. Fine Chemicals (精细化工), 2009,
水滑石（白度 89.94）抑制 PVC 的初期着色性能更好。 26(6): 525-529.
[19] Liu Jun, Chen Guangming, Yan Jiping, et al. Improved thermal
2+
2+
（2）当 n(Zn )︰n(Mg )=1︰3 或 1︰7 时，制 stability of poly (vinyl chloride) by nanoscale layered double
备的聚乙二醇改性 Zn-Mg-Al 水滑石的综合热稳定 hydroxide particles grafted with toluene-2, 4-di-isocyanate[J].
Materials Chemistry and Physics, 2009, 118: 405-409.
性能较好，长期动态热稳定时间达到约 31 min。 [20] Zhang Xiaofei, Zhao Tiaobao, Pi Hong, et al. Preparation of
intercalated Mg-Al layered double hydroxides and its application in
参考文献： PVC thermal stability[J]. Journal of Applied Polymer Science, 2012,
124: 5180-5186.
[1] Shi Ling (史翎), Li Dianqing (李殿卿), Li Sufeng (李素锋), et al.
Structure and smoke-suppressing and flame-retardant properties of [21] Tong Mengliang (童孟良), Shu Junjie (舒均杰), Wang Luoqiang (王
Zn-Mg-Al-CO 3LDHs[J]. Chinese Science Bulletin(科学通报), 2005, 罗强). Preparation and modification of Mg-Al hydrotalcit[J]. Plastics
50(4): 327-330. (塑料), 2014, 43(1): 27-29.
[2] Li Xianming (李先铭). Thermal stability of dodecyl sulfonate [22] Yang Huan (杨欢), Yang Zhanhong (杨占红). The surface modification
pillared rare earths hydrotalcite-like in PVC[J]. Plastics (塑料), 2015, research on hydrocalumite[J]. Plastics Auxiliaries (塑料助剂), 2016,
44(3): 39-41. (2): 29-31.
[3] Huang Zhi (黄智), Liao Qilong (廖其龙), Wang Sujuan (王素娟). [23] Wu Maoying (吴茂英). PVC heat stabilizer and its application
Preparation of rod-like hydrotalcite by hydrothermal method[J]. Fine technology[M]. Beijing: Chemical Industry Press（化学工业出版
Chemicals(精细化工), 2008, 25(12): 1168-1173. 社）, 2010: 36-61.
[4] Lin Yanjun (林彦军), Li Dianqing (李殿卿), Li Feng (李峰), et al. A [24] Song Guojun (宋国君), Sun Liangdong (孙良栋), Li Peiyao (李培
method for preparing layered hydrotalcite PVC heat stabilizer by 耀), et al. Synthesis and modification of layered double hydroxide
rotary liquid membrane reactor: CN201210105842.4[P]. 2012-04-11. and its application in functional composites[J]. Material Report(材
[5] Deng Xin (邓欣), Fang Zhen (方真), Zhang Fan (张帆), et al. 料导报), 2008, 22(1): 55-56.
Preparation, characterization and memory function of Zn-Mg-Al [25] Gu Zhijun (顾智军). Controllalepreparatton, structure and properties
hydrotalcite nanoparticles[J]. Material Report (材料报道), 2010, 24 of comples metal oxides[D]. Beijing: Beijing University of Chemical
(15): 41-43. Technology (北京化工大学), 2008.
[6] Ge Xiutao (葛秀涛), Xue Lianhai (薛连海), Zheng Jiandong (郑建 [26] Zhang Chenghong (张成红). The study on synthesis of Mg-Al-LDHs
东), et al. Preparation and characteristic of MgZnAl-CO 3 and the for heat stabilzersof PVC[D]. Beijing: Beijing University of
synergetic effect on heat stability of PVC resin[J]. Journal of Chemical Technology (北京化工大学), 2015.
Huainan Teachers College (淮南师范学院学报), 2011, 13(5): 1-4. [27] Ministry of Industry and Information Technology of the People's
[7] Peng Zhaolin (彭召林). Method and application of zinc-magnesium- Republic of China(中华人民共和国工业和信息化部). Synthetic
aluminum hydrotalcite-based PVC composite heat stabilizer: CN hydrotalcite thermal stabilizer:HG/T 4495-2013[S]. Beijing:
200910043877.8[P]. 2009-07-06. Chemical Industry Press（化学工业出版社）, 2013: 1-2.