聚丙烯酸酯对低烟无卤材料老化寿命的影响研究
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摘要
低烟无卤阻燃电缆护套材料由于添加大量的镁系和铝系无机阻燃剂,导致材料的力学性能和使用寿命明显下降,尤其是低温开裂性能、紫外光照射性能和热老化性能。将耐候性优异的聚丙烯酸酯橡胶(ACM)材料添加到电线电缆用低烟无卤阻燃外护层材料中,并考查其对外护层材料的力学性能、阻燃性能、耐紫外光老化性能和热老化寿命的影响。结果表明,当聚丙烯酸酯橡胶的添加量为5 phr时,可以提高材料的耐候性能和耐热老化性能,材料理论寿命由25.87年增加到30.5年,提高17.9%。
Low smoke halogen-free flame retardant cable sheath material due to the addition of magnesium and aluminum based inorganic flame retardant will inevitably lead to large mechanical properties and service life of materials decreased,especially the aging performance of low temperature cracking, UV irradiation and thermal performance. The polyacrylate rubber with excellent weatherability(ACM)materials are added to the sheath material of cables with low smoke halogen-free flame retardant, and study the effect of mechanical properties, flame retardant, anti UV aging and thermal aging. Results show that when the adding amount of polyacrylate rubber is 5 phr can improve the material heat resistant and the theory of aging performance. The theoretical life of materials increased from 25.87 years to 30.5 years, and increased by 17.9%.
Low smoke halogen-free flame retardant cable sheath material due to the addition of magnesium and aluminum based inorganic flame retardant will inevitably lead to large mechanical properties and service life of materials decreased,especially the aging performance of low temperature cracking, UV irradiation and thermal performance. The polyacrylate rubber with excellent weatherability(ACM)materials are added to the sheath material of cables with low smoke halogen-free flame retardant, and study the effect of mechanical properties, flame retardant, anti UV aging and thermal aging. Results show that when the adding amount of polyacrylate rubber is 5 phr can improve the material heat resistant and the theory of aging performance. The theoretical life of materials increased from 25.87 years to 30.5 years, and increased by 17.9%.
引文
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[16]赵术英,王化景,刘怀现.丙烯酸酯橡胶/乙烯丙烯酸酯橡胶并用胶性能的研究[J].橡胶工业,2014,61(4):223-226.
[17]YD Kwon,KS Lee,SH Jun,et al.Improvement of long-term lives of rubber gaskets of polyacrylate(ACM)by employing carboxyl cure sites[J].International Journal of Automotive Technology,2014,15(1):39-45.
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[19]DJD Santos,GF Batalha.Sealing force increasing of ACM gasket through electron beam radiation[J].International Conference on Advances in Materia,2011,1315(1):227-232.
[20]G Kofod,P Sommerlarsen,RD Kornbluh,et al.Actuation response of polyacrylate dielectric elastomers[J].Journal of Intelligent Material Systems&Structures,2003,14(12):787-793.
[2]K Naskar,S Mohanty,GB Nando.Development of thin-walled halogen-free cable insulation and halogen-free fire-resistant low-smoke cable-sheathing compounds based on polyolefin elas[J].Journal of Applied Polymer Science,2007,104(5):2839-2848.
[3]王竞.低烟无卤阻燃聚烯烃电缆料抗开裂性能的研究[J].上海塑料,2014(2):25-27.
[4]马宝红,刘红,姜国发,等.耐温125℃紫外光交联低烟无卤阻燃绝缘材料的研制[J].电线电缆,2012(4):27-31.
[5]徐艺敏,方欣,吴梅生.电线电缆用低烟无卤阻燃材料的新进展[J].电线电缆,1994(Z1):5.
[6]沈辉,李光吉,舒碧芬,等.EVA老化机理以及EVA老化对太阳电池的影响[J].合成材料老化与应用,2008(2):32-35.
[7]郑丛丛,左培艳,冯绍华.三元乙丙橡胶、丙烯酸酯橡胶及其共混胶的热氧老化性能研究[J].橡胶工业,2014(12):731-735.
[8]王巧娥,郭文利,庞玉春,等.耐辐照无卤低烟阻燃EPDM电缆绝缘材料的研制[J].橡胶工业,2010,57(3):169-173.
[9]刘俊莉,马建中,鲍艳,等.聚丙烯酸酯/纳米Ti O2复合材料的制备与性能[J].功能材料,2012,43(2):209-212.
[10]邓爱民,刘艳辉.聚丙烯酸酯乳液的制备及其改性的研究[J].化学与粘合,2009,31(5):70-72,82.
[11]HS Lee,C Kim,YD Kwon.JH Doh Long-term life prediction of polyacrylate rubber(ACM)gasket with chlorine cure sites using the four-parameter recovery model[J].Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering,2013,227(11):1536-1545.
[12]朱亚明.丙烯酸酯橡胶高温老化性能的研究[J].广东橡胶,2010(7):10-12.
[13]W Zhang,J Zheng,G Huang,et al.Effect of vinyl acetate on aging mechanism of polyacrylate under UV light[J].Journal of Applied Polymer Science,2009,114(3):1717-1724.
[14]QX Yao,DU Mei-Li,M Sun.Effects of hybrid UV absorbers on anti-aging properties of polyacrylate films[J].Journal of Materials Science&Engineering,2009,27(4):597-600.
[15]张凯,李秀峰,徐曼,等.一种抗开裂低烟无卤阻燃聚烯烃电缆护套料[J].电线电缆,2013(3):21-23.
[16]赵术英,王化景,刘怀现.丙烯酸酯橡胶/乙烯丙烯酸酯橡胶并用胶性能的研究[J].橡胶工业,2014,61(4):223-226.
[17]YD Kwon,KS Lee,SH Jun,et al.Improvement of long-term lives of rubber gaskets of polyacrylate(ACM)by employing carboxyl cure sites[J].International Journal of Automotive Technology,2014,15(1):39-45.
[18]YD Kwon,KT Roh,SS Kim,et al.Regression of the recovery rate of ACM rubber gasket for long-term performances[J].Journal of Testing&Evaluation,2014,42(3):201-203,54.
[19]DJD Santos,GF Batalha.Sealing force increasing of ACM gasket through electron beam radiation[J].International Conference on Advances in Materia,2011,1315(1):227-232.
[20]G Kofod,P Sommerlarsen,RD Kornbluh,et al.Actuation response of polyacrylate dielectric elastomers[J].Journal of Intelligent Material Systems&Structures,2003,14(12):787-793.