低分子量树脂对胎面胶复合材料性能的影响.doc

低分子量树脂对胎面胶复合材料性能的影响 邵海城a，陈加平b，米彦青c，吴友平a,d* (a.北京化工大学 北京市新型高分子材料制备与加工重点实验室，北京100029; b.新疆独山子天利实业公司833600; c.山东玲珑轮胎股份有限公司 北京技术中心，北京 101102; d.北京化工大学 北京市先进弹性体工程技术研究中心，北京100029) 摘要：研究对比了低分子量树脂对NR/BR/ESBR复合材料加工性能、力学性能、动态粘弹性能等的影响。结果表明：低分子量树脂加入到橡胶后，胶料的门尼粘度下降，胶料门尼粘度变化的大小与树脂的分子量具有密切的关系；与未填充树脂胶料的硫化胶相比，填充树脂后胶料的拉伸强度下降，动态压缩温升得到改善，撕裂强度以及耐磨性能变化不大；TL-L1100树脂、TL-1000树脂以及C5石油树脂加入到橡胶中改善了胶料的抗湿滑性能以及抗冰滑性能。 关键词：低分子量树脂；门尼粘度；动态粘弹性能；抗湿滑性能 Influence of Low Molecular Weight Resins on Properties of Tread Compound SHAO Hai-chenga,CHEN Jia-pingb,MI Yan-qingc,WU You-pinga,d* （a.The Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer materials,Beijing University of Chemical Technology,Beijing 100029,China;b.Tianli industrial company,Xinjiang 833600,China;c.Beijing R＆D center,Shandong Linglong Tire Co.,Ltd,Beijing 101102,China;d.Beijing Engineering Research Center of Advanced Elastomers,Beijing University of Chemical Technology,Beijing 100029,China) Abstract:Influences of low molecular weight resins on processing performance, mechanical properties, dynamic viscoelastic properties of emulsion polymerized natural?rubber/butadiene rubber/emulsion polymerized styrene-butadiene rubber (NR/BR/ESBR) composites were studied and compared. The results showed that, with the addition of low molecular weight resins, the mooney viscosity of rubber decreased, and the variation has a close relation with the molecular weight of resins. Comparison of resin unfilled vulcanizate rubber, tensile strength decreased, heat build-up improved, while tear strength and wear resistance are consistent. TL-L1100 resin、 TL-1000 resin and C5?petroleum resin adding rubber has improved its properties of wet skid resistance and ice skid resistance. Key words:low molecular weight resin;mooney viscosity;dynamic viscoelastic property;wet skid resistance低分子量树脂通常是一些相对分子质量大约在几百到一万之间，具有较高的玻璃化转变温度的小分子物质。通常这类树脂可以分为两大分：天然系列的松香和萜烯类树脂，以及人工合成脂肪族类的C5石油树脂、芳香烃类的C9石油树脂[1]。传统的低分子量树脂广泛应用在橡胶工业的阻尼材料以及增粘剂中。研究表明[2]，在BIIR/BR复合材料中