• 丙烯腈乙烯基苯聚丙烯上接校共聚率取,得形氰树脂

    Acrylonitrile copolymerized with divinylbenzene on polypropylene and then extracted with xylene, the cage cyano resin was obtained.

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  • 乙烯二乙烯基作为氰酸酯树脂活性稀释剂,得到粘度贮存稳定性好的改性树脂体系

    The cyanate resin is modificated by styrene and divinyl benzene, which are called active diluent. The modificated resin system has low viscosity and store stability.

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  • 年前生效联邦法律规定严禁儿童乙烯玩具产品中使用邻甲酸酯,然而美国没有限制化妆品其他个人护理用品中的甲酸酯。

    A federal law that went into effect a year ago bans phthalates in children's vinyl toys and other products. But there are no U.S. restrictions on phthalates in cosmetics and other personal care items.

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  • 不过还没有发现乙烯基玩具其他软性塑料中的甲酸酯会影响行为

    No behavioral effects were found for the phthalates used in vinyl toys and other soft plastics.

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  • 有时直链较多橡胶加入1%二乙烯基轻微联,从而改进加工性抗压缩永久变形

    Sometimes the more linear cold rubbers are slightly crosslinked by the incorporation of about 1% divinyl benzene to improve processability and compression set resistance.

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  • 采用正交实验设计研究反应温度升温速率乙烯基苯质量分数裂解温度保温时间五个因素聚碳硅率的影响。

    Based on orthogonal design, the effects of reaction temperature, heating speed, weight percent of DVB, pyrolysis temperature and heat retaining time on the yield of PCS were discussed.

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  • 采用正交实验设计研究反应温度升温速率乙烯基苯质量分数裂解温度保温时间五个因素聚碳硅率的影响。

    Based on orthogonal design, the effects of reaction temperature, heating speed, weight percent of DVB, pyrolysis temperature and heat retaining time on the yield of PCS were discussed.

    youdao

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