Performance of Ceramizable Silicon Rubber Composite Tape for Cable

Abstract

Abstract: Ceramizable silicone rubber composites were prepared by the melting blending method. The tensile properties, flame retardant property, and volume resistivity of the silicone rubber composites were tested. The results show that the tensile property of composites decline with the increasing flux amount. The introduction of more impurity ions improves the conductivity of the composites. The addition of SiO₂ enhances the compactness of the filler network structure, and the elastic deformation and the tensile strength of the composites are also increased. The migration of carriers is hindered, which promotes the increase of volume resistivity of composites. Because of the synergistic effect of a variety of inorganic fillers, composite materials have a better flame retardant property. When the part of weight of glass powder and SiO₂ is 40∶40, the oxygen index of the composites is the highest, meanwhile, the peak heat release rate and the peak smoke production rate are the lowest, and the fire risk is smaller. The blending of EVA and silicone rubber improves the rigidity and plastic deformation of the composites, and also changes the dispersion state of the fillers. The partially stacked fillers act as impurity ions, which causing the resistivity of the materials to decrease.

Key words: ceramizable resistant tape, flux, tensile property, oxygen index, volume resistivity

CLC Number:

TM215

WANG Xingu, SUN Guanghua, CHANG Jintao, LI Xiufeng. Performance of Ceramizable Silicon Rubber Composite Tape for Cable[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(6): 2096-2103.

References

[1] 李晓康,杜文锋,徐志胜.防火涂料对电缆燃烧性能的影响研究[J].中国安全科学学报,2014,24(12):16-22.
LI X K, DU W F, XU Z S. A study of effect of fire retardant coating on flammability of cables[J]. China Safety Science Journal, 2014, 24(12): 16-22 (in Chinese).
[2] 唐红川,李鹏虎,匡国文,等.陶瓷化硅橡胶研究进展[J].绝缘材料,2019,52(7):1-9.
TANG H C, LI P H, KUANG G W, et al. Research progress on ceramic silicone rubber[J]. Insulating Materials, 2019, 52(7): 1-9 (in Chinese).
[3] 柯瑞林,邹雄,王金合,等.陶瓷化高分子复合材料研究进展[J].绝缘材料,2018,51(12):1-5+10.
KE R L, ZOU X, WANG J H, et al. Research progress of ceramifiable polymer composites[J]. Insulating Materials, 2018, 51(12): 1-5+10 (in Chinese).
[4] 李函坚,郭建华,曾幸荣.陶瓷化聚合物研究进展[J].特种橡胶制品,2015,36(4):67-72.
LI H J, GUO J H, ZENG X R. Research advancement on ceramifying composites[J]. Special Purpose Rubber Products, 2015, 36(4): 67-72 (in Chinese).
[5] IMIELA M, ANYSZKA R, BIELIN＇SKI D M, et al. Effect of carbon fibers on thermal properties and mechanical strength of ceramizable composites based on silicone rubber[J]. Journal of Thermal Analysis and Calorimetry, 2016, 124(1): 197-203.
[6] ANYSZKA R, BIELIN＇SKI D M, PDZICH Z, et al. Influence of surface-modified montmorillonites on properties of silicone rubber-based ceramizable composites[J]. Journal of Thermal Analysis and Calorimetry, 2015, 119(1): 111-121.
[7] 丁永红,张磊,朱佳雯,等.烧蚀温度对陶瓷化阻燃硅橡胶瓷化过程的影响[J].化工新型材料,2017,45(7):147-149.
DING Y H, ZHANG L, ZHU J W, et al. Influence of ablative temperature on the ceramic process of ceramic silicon rubber[J]. New Chemical Materials, 2017, 45(7): 147-149 (in Chinese).
[8] GUO J H, GAO W, WANG Y, et al. Effect of glass frit with low softening temperature on the properties, microstructure and formation mechanism of polysiloxane elastomer-based ceramizable composites[J]. Polymer Degradation and Stability, 2017, 136: 71-79.
[9] 张家宏,单永东,李建喜.钠基低温陶瓷的制备及其在陶瓷化聚烯烃中的应用[J].绝缘材料,2017,50(7):11-15.
ZHANG J H, SHAN Y D, LI J X. Preparation of sodium based low temperature ceramic and its application in ceramic polyolefin[J]. Insulating Materials, 2017, 50(7): 11-15 (in Chinese).
[10] 金楷皓,王新古,赵健军,等.阻燃剂对低烟无卤聚烯烃电缆料性能的影响[J].绝缘材料,2020,53(3):1-6.
JIN K H, WANG X G, ZHAO J J, et al. Effect of flame retardant on properties of low-smoke halogen-free polyolefin cable materials[J]. Insulating Materials, 2020, 53(3): 1-6 (in Chinese).
[11] 王延鹏.聚偏氟乙烯/氟橡胶/硅橡胶共混材料的制备、结构与性能研究[D].广州:华南理工大学,2015.
WANG Y P. Preparation, structure and properties of poly(vinylidene fluoride), fluororubber, and silicone rubber blends[D]. Guangzhou: South China University of Technology, 2015 (in Chinese).
[12] 康新尉,陈乐,陈凤,等.SiO₂/硅橡胶复合体系填料网络的形成与结构表征[J].西南科技大学学报,2020,35(2):55-62.
KANG X W, CHEN L, CHEN F, et al. Formation and structural characterization of filler network in SiO₂/silicone rubber composites system[J]. Journal of Southwest University of Science and Technology, 2020, 35(2): 55-62 (in Chinese).
[13] 井龙,王克俭,王之恒,等.乙烯-醋酸乙烯酯共聚物增强硅橡胶复合材料的黏弹阻尼性能[J].复合材料学报,2019,36(1):261-268.
JING L, WANG K J, WANG Z H, et al. Viscoelastic damping properties of ethylene-vinyl acetate reinforced silicone rubber composites[J]. Acta Materiae Compositae Sinica, 2019, 36(1): 261-268 (in Chinese).
[14] 周艺,何慧,贾德民,等.EVA对PMVS橡胶的增强改性[J].有机硅材料,2009,23(2):77-80.
ZHOU Y, HE H, JIA D M, et al. Study on reinforcement and modification of PMVS rubber[J]. Silicone Material, 2009, 23(2): 77-80 (in Chinese).
[15] 李秀峰,咸日常,杨培杰,等.有机插层剂对交联聚乙烯/OMMT纳米复合电介质机械性能与热稳定性的影响[J].塑料工业,2016,44(11):143-147.
LI X F, XIAN R C, YANG P J, et al. The influence of organic intercalants on mechanical properties and thermostability of crosslinked PP/OMMT nanocomposite dielectrics[J]. China Plastics Industry, 2016, 44(11): 143-147 (in Chinese).
[16] 杨勃,魏世林,孙素明,等.氧化石墨烯/白炭黑对硅橡胶力学性能的协同补强效应[J].功能材料,2017,48(5):5132-5136+5143.
YANG B, WEI S L, SUN S M, et al. Synergistic effect of graphene oxide/silica in enhancing the mechanical properties of silicone rubber[J]. Journal of Functional Materials, 2017, 48(5): 5132-5136+5143 (in Chinese).
[17] 郝敏,苏正涛,黄艳华,等.白炭黑对苯基硅橡胶动态力学性能的影响[J].有机硅材料,2013,27(1):6-9.
HAO M, SU Z T, HUANG Y H, et al. Impact of silica on dynamic mechanical properties of phenyl silicone rubber[J]. Silicone Material, 2013, 27(1): 6-9 (in Chinese).
[18] 张林军,曾金芳,余惠琴.苯基含量对硅橡胶性能的影响[J].弹性体,2017,27(6):28-32.
ZHANG L J, ZENG J F, YU H Q. Effect of phenyl content on properties of silicone rubber[J]. China Elastomerics, 2017, 27(6): 28-32 (in Chinese).
[19] CHIU H T, CHIU S H, WU J H. Study on mechanical properties and intermolecular interaction of silicone rubber/polyurethane/epoxy blends[J]. Journal of Applied Polymer Science, 2003, 89(4): 959-970.
[20] 孙名伟,刘涛,马凤国.阻燃硅橡胶的研究进展[J].有机硅材料,2014,28(4):326-333.
SUN M W, LIU T, MA F G. Research progress on flame retardant silicone rubber[J]. Silicone Material, 2014, 28(4): 326-333 (in Chinese).
[21] 韦震宇,张立群,田明.硅橡胶阻燃技术研究进展[J].合成橡胶工业,2011,34(1):74-80.
WEI Z Y, ZHANG L Q, TIAN M. Progress in flame retardant technology for silicone rubber[J]. China Synthetic Rubber Industry, 2011, 34(1): 74-80 (in Chinese).
[22] 米耀荣.聚合物纳米复合材料[M].杨彪,译.北京:机械工业出版社,2010.
MI Y R. Polymer nanocomposites[M]. YANG B, Trans. Beijing: China Machine Press, 2010 (in Chinese).
[23] 徐亮,丁严艳.镁铝双氢氧化物对无卤阻燃EVA的协效阻燃效果研究[J].火灾科学,2011,20(2):105-110.
XU L, DING Y Y. Synergistic effects of layered double hydroxide with magnesium hydroxide in halogen-free flame retardant EVA/MH/LDH nanocomposite[J]. Fire Safety Science, 2011, 20(2): 105-110 (in Chinese).
[24] 李小辉,杨继生,贡新浩.利用锥形量热仪评价可瓷化硅橡胶复合材料的防火性能[J].合成材料老化与应用,2018,47(3):39-43.
LI X H, YANG J S, GONG X H. The fire performance of ceramifying silicone rubber composites evaluated by cone calorimeter[J]. Synthetic Materials Aging and Application, 2018, 47(3): 39-43 (in Chinese).
[25] 李果,李秀峰,申晋,等.交联行为对纳米复合电介质电导特性和电气强度的影响[J].绝缘材料,2019,52(3):25-30+35.
LI G, LI X F, SHEN J, et al. Effect of crosslinking behavior on conductivity characteristics and electric strength of nanocomposite dielectrics[J]. Insulating Materials, 2019, 52(3): 25-30+35 (in Chinese).