酚醛补强树脂对NR胶料性能的影响

研究固体和液体酚醛补强树脂对NR胶料加工性能、硫化特性及硫化胶物理性能的影响。加入酚醛补强树脂，可改善胶料的加工性能，降低胶料的混炼能耗，缩短胶料的门尼焦烧时间，提高硫化胶的硬度和100％定伸应力。液体酚醛补强树脂的使用效果优于固体酚醛补强树脂。以固体酚醛补强树脂替代液体酚醛补强树脂用于子午线轮胎配方中，通过调整配方和混炼工艺，可取得较好的补强增硬效果。     

增硬补强树脂PFM-C在子午线轮胎三角胶中的应用

增硬补强树脂PFM-C在子午线轮胎三角胶中的应用     

补强树脂PR-13349Ⅰ在全钢载重子午线轮胎三角胶中的应用

研究补强树脂PR-13349Ⅰ等量替代普通酚醛补强树脂对全钢载重子午线轮胎下三角胶胶料性能的影响。结果表明：与普通酚醛补强树脂相比,采用补强树脂PR-13349Ⅰ胶料的邵尔A型硬度和撕裂强度增大,定伸性能提高,拉断伸长率稍微减小,焦烧时间延长,胶料的加工性能得到改善且生热较低。补强树脂PR-13349Ⅰ应用于全钢载重子午线轮胎下三角胶试制的成品轮胎的耐久性能符合国家标准。     

补强树脂BQ-205在子午线轮胎三角胶中的应用

补强树脂BQ-205在子午线轮胎三角胶中的应用     

两种补强体系补强性能的对比分析研究

通过对高苯乙烯树脂与普通酚醛补强树脂在全钢子午线轮胎胶芯胶中的对比应用试验,表明在高苯乙烯树脂、酚醛补强树脂用量相同,区别仅在高苯乙烯胶料不加HMT的情况下,高苯乙烯胶料综合物理性能优于酚醛补强树脂胶料,随温度的升高高苯乙烯胶料的弹性转矩、弹性模量、动态生热性逐渐下降,酚醛补强树脂胶料变化不大,在实际使用中高苯乙烯胶料动态生热性可能高于酚醛补强树脂胶料。     

应用改性酚醛补强树脂提高子午线轮胎胶芯胶硬度

将改性酚醛补强树脂与普通酚醛补强树脂应用于子午线轮胎芯胶配方中进行对比试验,结果表明,在相同用量（９份）下,改性酚醛补强树脂对胶料的补强效果比普通酚醛补强树脂更加明显,硫化胶的邵尔Ａ型硬度可提高４度,可增强胎圈部位的刚性,减少胎圈裂口。     

妥尔油和腰果油改性酚醛补强树脂对全钢载重子午线轮胎三角胶性能的影响

考察妥尔油改性酚醛补强树脂SL-2101和腰果油改性酚醛补强树脂SL-2201对全钢载重子午线轮胎三角胶性能的影响。结果表明：与补强树脂SL-2101相比,补强树脂2201对胶料的补强性能好;随着2种补强树脂用量增大,胶料物理性能提高;采用补强树脂SL-2201替代补强树脂SL-2101,需适当调整硫化体系。     

用改性酚醛补强树脂提高三角胶硬度

研究了改性酚醛补强树脂（BQ－205A）对子午线轮胎三角胶的补强作用。结果表明,BQ－205A可提高胶料硬度4－5度,胶料的拉伸强度、撕裂强度等性能也有提高。BQ－205A的分散性及与胶料的相容性都较好,挤出型胶表面光滑,成品轮胎性能良好。     

液体腰果酚补强树脂在轿车子午线轮胎三角胶中的应用

考察液体腰果酚补强树脂对轿车子午线轮胎三角胶的补强效果和对加工性能的影响，通过RPA2000橡胶加工分析仪测定未硫化胶不同温度的转矩、应力松弛，硫化胶的模量、耐热性，以及成品轮胎的性能。结果表明，使用液体腰果酚补强树脂代替固体酚醛补强树脂可以起到补强和改善三角胶工艺性能的双重效果。     

补强树脂PFM-C在轿车子午线轮胎下三角胶中的应用

研究补强树脂PFM-C在轿车子午线轮胎下三角胶中的应用.结果表明：在下三角胶中加入补强树脂PFM-C并适当调整炭黑及硫化体系用量,胶料的门尼粘度降低,门尼焦烧时间缩短,硫化速度加快,炭黑分散性提高,工艺性能良好;硫化胶的硬度、拉伸强度和拉断伸长率增大;成品轮胎的高速和耐久性能达到国家标准要求.     

补强树脂SP6701在全钢载重子午线轮胎胎圈外护胶中的应用

研究补强树脂SP6701在全钢载重子午线轮胎胎圈外护胶中的应用。结果表明:在全钢载重子午线轮胎胎圈外护胶中用补强树脂SP6701代替部分炭黑,胶料的门尼粘度降低,炭黑分散性提高,加工工艺性能明显改善;硫化胶生热降低,撕裂强度提高;成品轮胎的耐久性能提高。     

Reactive compatibilization of a nitrile rubber/phenolic resin blend: Effect on adhesive and composite properties

Resole phenolic resins containing various p-cresol (PC) to phenol (P) mol ratios were prepared and characterized. These phenolic resins were blended with nitrile rubber (NBR) and the measurements of adhesive joint strength, stress–strain properties, DSC, TGA, DMA, TEM, and SEM were performed using a 50 : 50 NBR/phenolic resin blend. It was observed that the adhesive joint strength and the mechanical properties of the blend enhanced significantly on incorporation of p-cresol into the phenolic resin, and the optimum p-cresol/phenol mol ratio was in the vicinity of 2 : 1. Observation of a more continuous phase and the increase in T_g of the rubber region in the blend indicated increased reactivity and compatibilization of NBR with phenolic resin as p-cresol was incorporated. The effect of silica filler on the properties of the nitrile rubber/phenolic resin blend was also studied without and with p-cresol modification and the results suggest that silica filler take not only the role of a reinforcing filler in the nitrile–phenolic–silica composite, but also a role as surface compatibilizer of the blend components. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 69: 1187–1201, 1998     

酚醛树脂在轮胎中的应用进展

对酚醛树脂在轮胎中的应用进行了回顾和展望。在轮胎生产中,酚醛树脂是重要的原材料之一。酚醛树脂具有优异的物理性能以及丰富的反应官能团,在轮胎生产过程中可起到增粘、补强、粘合以及交联等作用。随着轮胎生产技术和材料研发水平的不断提高,酚醛树脂生产企业应顺应时代潮流,不断开发性能更优异、更环保的产品,以满足高性能轮胎生产要求。     

补强树脂在全钢轮胎中的应用

研究补强树脂间苯二酚SL-R80/六甲氧基甲基三聚氰胺树脂(HMMM)、间苯二酚-甲醛树脂SL-3020LFR/HMMM、酚醛树脂SL-2101/六亚甲基四胺(HMT)和高苯乙烯树脂S-6-H在全钢轮胎中的应用。结果表明:4种补强树脂对胶料的硫化均有延缓作用,其中采用SL-R80/HMMM的胶料t90最长,采用SL-2101/HMT的胶料t90最短;与空白胶料相比,只有采用S-6-H的胶料的t5延长,其余胶料均缩短;采用SL-3020LFR/HMMM的胶料加工流动性变差,其余胶料变化不大;4种补强树脂均能有效提高胶料硬度,其中SL-R80/HMMM的提高效果最佳;4种补强树脂对胶料的拉伸强度和拉断伸长率的影响都很小,但对撕裂强度有负面影响,其中SL-R80/HMMM的影响最大,SL-3020LFR/HMMM的影响最小;S-6-H树脂对胶料的生热基本没有影响,其他3种树脂均有负面影响,其中SL-3020LFR/HMMM的影响最大。     

Preparation and properties of styrene‐butadiene rubber nanocomposites blended with carbon black‐graphene hybrid filler

Graphene has become an attractive reinforcing filler for rubber materials, but its dispersion in rubber is still a big challenge. In this work, a novel carbon black‐reduced graphene (CB‐RG) hybrid filler was fabricated and blended with styrene‐butadiene rubber (SBR) via simple two‐roll mill mixing. The prepared CB‐RG hybrids had a microstructure with small CB agglomerates adsorbed onto graphene surfaces. CB acted as a barrier preventing the RG sheets from restacking even after drying. Homogeneous dispersion of graphene sheets in SBR matrix was observed by the mechanical mixing method based on the application of the CB‐RG hybrid fillers. Dynamic mechanical analysis showed that Tg of the SBR/CB‐RG blend was higher than that of the SBR/CB blend indicating strong interfacial interactions between RG and SBR due to the high surface area of graphene and the π‐π interaction between SBR and graphene. The tensile properties of SBR/CB‐RG composites improved significantly and the volume resistivity decreased compared with the SBR/CB blends. The thermal stability of SBR composites filled with CB and CB‐RG showed slight difference. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132, 41309.     

低软化点204树脂在全钢子午线轮胎中的应用

试验研究低软化点204树脂在全钢子午线轮胎三角胶中的应用。结果表明,以低软化点204树脂等量替代高软化点204树脂后,胶料的硫化特性基本一致,硫化胶的邵尔A型硬度略低,100％和300％定伸应力、拉伸强度及拉断伸长率均有所提高,胶料的粘性提高。     

改性补强填料YB-5在全钢载重子午线轮胎中的应用

试验研究改性补强填料YB-5在全钢载重子午线轮胎胎侧和胎圈护胶配方中的应用.结果表明,胎侧胶配方中使用8份改性补强填料YB-5代替部分炭黑N660,以及胎圈护胶配方中填加5份改性补强填料YB-5,胶料各项性能均满足全钢载重子午线轮胎的工艺与设计要求,且经济效益十分显著.     

载重斜交轮胎胎圈钢丝包胶配方优化

对载重斜交轮胎胎圈钢丝包胶配方进行优化。试验结果表明:在胎圈钢丝包胶中加入粘合剂RH和硼酰化钴,增大补强填充剂和芳烃油的用量,并对配方进行适当调整,胶料强度虽有所降低,但与胎圈钢丝的粘合性能明显提高,成品轮胎胎圈质量改善,生产成本降低。