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In the case of an application inside the electronic control unit the requirements for media resistance are not as high.
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| | The effects of the types and amount of pig-ments,antioxidant and UV absorbent on the titlecoating have been discussed.The coating formu-lated has the hardness more than 0.8,impactstrength 4.9N·m,flexibility 1 mm,adhesion100%,UV filterability 80~90%,IR filterabili-ty 35~65% and visible light filterability20~75%. | | 讨论了颜料、防老剂、紫外线吸收剂类型和用量对涂料性能的影响。按新配方制的涂料,其硬度大于0.8,冲击强度4.9N·m,柔韧性1mm,附着力100%,紫外线滤过率80~99%,红外线滤过率35~65%,可见光滤过率20~75%,且涂膜耐介质性和耐温变性良好。 | | 文摘来源 | | Air-drying-DCPD-type unsaturated polyester resin prepared by using modifiedhydrolysis addition method was proposed in the paper. By virtue of the theoretical analysis ofIR and NMR,the mechanism of synthesis reaction and the optimal technological conditionswere investigated.As a result, development was completed on the air drying unsaturatedpolyester resins,which have excellent properties such as shorter gelation time, higher curedvelocity, higher mechanical strength, greater hardness,and better thermal and ... | | 本文用水解加成法合成了气干性双环戊二烯型不饱和聚酯树脂。用理论分析、IR和NMR谱图等手段研究了合成反应机理和最佳工艺条件,获得胶凝时间短、固化速度快、机械强度高、硬度大和耐介质性良好的气干性树脂。 | | 文摘来源 | | the effects of epoxy resin adhesive in sand filter on porosity, bending strength and the resistance to chemical solvents was studied. The content of the adhesive in sand filter, curing temperature and time were determinated. | | 环氧树脂具有优良的综合性能。本文通过环氧树脂胶对滤砂器试样抗折强度的影响研究,以及对试样孔隙度和耐介质性考察,初步探讨了环氧胶配方及在滤砂器上的用量,并确定了其固化温度和时间 | | 文摘来源 | |   | | << 更多相关文摘 |
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