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间苯二酚和2-硝基二苯胺可用作安定剂。Resorcinol and 2-nitrodiphenylamine may be used as stabilizers.
首先对传统的磺化碱熔法制备间苯二酚进行了改进性实验研究。The traditional technics for resorcinol with sulfuric acid was firstly improved.
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间苯二酚水溶液与三氯甲苯反应可制备紫外线吸收剂UV—214。UV absorber, UV -214 can be prepared by reading resorcinol with benzotrichloride in water.
间苯二酚的作用是加速囊壁固化,其用量应该控制在合适的范围内。The effect of the resorcinol is accelerating the solidification of the shells, and its amount must be appropriate.
目前,间苯二酚主要用于橡胶工业,用于生产轮胎帘子布浸胶剂,以及汽车用胶管、胶带的粘合剂的生产。Now, resorcinol is mainly applied in latex industry, such as tyres, rubber pipe and adhesive for belt in automobiles.
试验研究以粘合树脂A250替代间苯二酚在全钢子午线轮胎胎体胶中的应用效果。The application of adhesive resin A250 instead of resorcinol in carcass ply compound of TBR tire was experimentally investigated.
系统介绍了间苯二酚诸多的合成方法,并对其中的磺化法、异丙苯法、芳化法和取代法进行了简要的评述。The synthesis methods of resorcinol were introduced systematically in this paper, and the summary comments for every means were made.
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采用间苯二酚环氧树脂和含巯基的固化剂制成了室温快固金属修补剂。The fast curing polymer alloy putty at room temperature was developed by applying of Resorcinol epoxy resin and mercapto contained curing agent.
研究结果表明,间苯二酚在一定范围内对降PF树脂的固化温度、提高固化速度具有明显的作用。The research result shows that resorcinol has obvious effect on decreasing curing temperature and increasing curing rate of PF resin in certain scope.
以混合二异丙苯为原料经择形催化裂解和减压蒸馏,制备了高含量的间二异丙苯。Mixed diisopropyl benzene was chose as the materials to compose high purity resorcinol by shape selective catalysis decomposition and vacuum distillation.
试验研究改性间苯二酚-甲醛树脂GLR-20替代间苯二酚对NR胶料性能的影响,并与进口产品B-20-S进行对比。The effect of the modified phenolic resin GLR-20 replacing resorcinol on the properties of NR compound was investigated by using imported B-20-S as control.
间苯二酚显色法为套用唾液酸测定法,苦味酸显色法是对乳制品中乳糖含量检测方法的改良。The resorcinol method is used for the detection of sialic acid, the picric acid method is an improved method of the lactose detection in the dairy products.
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在磷酸介质中,痕量间苯二酚对高碘酸钾氧化吡咯红Y使其荧光猝灭具有抑制作用,据此建立了动力学荧光法测定痕量间苯二酚的新方法。The proposed method is based on the inhibitory effect of resorcinol on the reaction of potassium periodate oxidation of pyronine Y in phosphoric acid medium.
方法以间苯二酚和苯乙酸为原料,经酰化、环合及醚化三步反应进行合成。MethodsThe synthetic route consisted of three steps starting from resorcinol and phenylacetic acid and went through acylation, cyclization, and etherification.
介绍利用三聚氰胺、尿素、木质素、聚乙烯醇缩醛、间苯二酚等物质对酚醛树脂胶粘剂改性研究的最新进展。The recent study and development for the modification of phenolic resin adhesive with melamine, urea, lignin, polyvinyl acetals and resorcinol were introduced.
利用超声波乳化技术,结合溶胶-凝胶反应制备了间苯二酚-甲醛有机气凝胶粉末和碳化气凝胶粉末。Organic powder and carbon aerogel powder were prepared by sol-gel method with the help of ultrasonic emulsification technology using resorcinol and formaldehyde.
钛白粉生产过程所产生的废硫酸经预处理、稀释后,用于间苯二胺酸性水解制备间苯二酚。After pretreatment and dilution, waste sulfuric acid from titanium white production was used for preparation of resorcinol by acidic hydrolysis of meta- phenylenediamine.
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通过与普通间苯二酚的对比试验,探讨了预分散间苯二酚在子午线轮胎镀铜钢丝帘布覆胶中的应用效果。The effect of the predispersed resorcinol in the coating compound of brass plated steel cord for radial tire was investigated by comparing to the conventional resorcinol.
本堵剂的主要特点是可以在30℃左右的低温环境和近于化学中性的条件下实现交联反应。All reactions ivolved, including oxymethylation of MPAM and resorcinol and crosslinking, are conducted at ambient temperatures from 30℃ to 45℃ in nearly neutral aqueous media.
该酶迅速催化焦性没食子酸的酶促氧化反应,但对邻苯二酚、对苯二酚和间苯二酚的催化活性较低。This enzyme could quickly catalyze the oxidation of pyrogallic acid as a substrate, but exhibited relatively low catalysis activity towards catechol, hydroquinone and resorcinol.