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以线型SBS(苯乙烯-丁二烯-苯乙烯)热塑性弹性体为基体树脂,通过添加增黏树脂、软化剂、抗氧化剂以及导电炭黑等物质,成功制备出一种可满足环保要求和使用要求的电缆半导电带接头用SBS型热熔压敏胶(HMPSA)。以环烷油、增黏树脂用量为试验因素,以胶接件的粘接强度为考核指标,采用正交试验法优选出制备HMPSA的最佳配方。结果表明:制备HMPSA的最佳配方为m(SBS)∶m(萜烯树脂)∶m(石油树脂)∶m(环烷油)∶m(抗氧化剂1010)∶m(导电炭黑)=100∶80∶30∶50∶1.5∶1.0;由最佳配方制得的HMPSA,其接头处的粘接强度为166 N/cm。
With linear SBS (styrene-butadiene-styrene) thermoplastic elastomer as the matrix resin, by adding tackifying resins, softeners, antioxidants and conductive carbon black and other substances, successfully prepared a meet the environmental requirements and Use SBS-type hot-melt pressure-sensitive adhesive (HMPSA) for use with cable glands. Taking naphthenic oil and tackifier resin as test factors, the adhesive strength of adhesive was taken as the evaluation index. The optimum formula of HMPSA was optimized by orthogonal test. The results showed that the best formula for preparing HMPSA was m (SBS): m (terpene resin): m (petroleum resin): m (naphthenic oil): m (antioxidant 1010) : 80:30:50: 1.5: 1.0; HMPSA made from the best formulation has a bond strength of 166 N / cm at the joint.