脲基甲酸酯交联键可以从20系列的共聚物的分子量最高,其次是40系列的分子量而得到证实。
The presence of allophanate crosslinks can be proved by the highest molecular weight of 20 series copolymers, followed by 40 (in Table 2).
一年前生效的联邦法律规定,严禁在儿童乙烯基玩具等产品中使用邻苯二甲酸酯,然而美国没有限制化妆品和其他个人护理用品中的邻苯二甲酸酯。
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.
不过还没有发现乙烯基玩具和其他软性塑料中的邻苯二甲酸酯会影响人的行为。
No behavioral effects were found for the phthalates used in vinyl toys and other soft plastics.
有一些研究表明DEHP(邻苯二甲酸二辛酯),(静脉输血袋中用的)乙烯基中包含的一种化学物质具有这样的特性。
And there's some research showing that DEHP, this chemical that's in vinyl [used in IV bags], has this property.
热塑性聚酯树脂是以聚对苯二甲酸丁二酯(PBT)聚化物为主基料的半结晶材料。
Thermoplastic polyester resin is polyethylene terephthalate (PBT) compounds based binder polymer semi-crystalline materials.
涂敷导电底材的方法,含水涂料组合物,含氨基甲酸乙酯基加合物的制备方法及含氨基甲酸乙酯基的加合物。
Process for coating electrically conductive substrates, aqueous coating composition, process for preparation of adduct containing urethane groups and adduct containing urethane groups.
甲酸甲酯氢解制甲醇这一步骤的难点在于环境友好的低温高活性铜基催化剂的研制。
Hydrogenolysis of methyl formate to methanol was the rate-determining process and was mainly catalyzed by nickel-based or copper-based catalyst system.
结果共鉴定了22个成分,占总峰面积的99%,而其中邻苯二甲酸乙基己基酯占87%。
Results 22 compounds were identified and was 99% of the total peak area, in which, the Phthalic acid mono - (2-ethylhexyl) ester was 87%.
利用锆基催化剂合成邻苯二甲酸异辛醇酯,确定了反应条件。
Diisooctyl Phthalate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
测定了一批具有大小不同碳环的苯磺酰基环烷烃甲酸酯对发光菌的毒性数据。
Batch data for the toxicity of phenylsulfonyl-cycloalkane carboxylates containing different sizes of carboatomic rings to photoluminescence bacteria have been measured.
本文系统地研究了增韧剂氯化聚烯烃(M_1)和腈基橡胶(M_2),增塑剂邻苯二甲酸二辛酯(P)以及几种不同填料对硬质PVC填充体系力学性能的影响。
The effects of common impact modifiers M_1 and M_2, plasticizer P and different fillers on the mechanical properties of filled PVC were studied systematically in this paper.
利用锆基催化剂合成邻苯二甲酸正丁酯,确定了反应条件。
Dibutylphthalate has been synthesized with zirconium base catalyst, and the suitable conditions of reaction have been determined.
以溴代环己烷和苯甲酸乙酯为原料,经过两步反应合成了甲基丙烯酸二环己基苯甲酯。
With bromocyclohexane and ethyl benzoate as raw materials, dicyclohexylphenylmethyl methacrylate was synthesized by two steps.
本文报道了相转移催化条件下异成烯基苯甲酸酯的合成。
Synthesis of prenyl benzoate under phase transfer catalysis was reported.
在碱性条件下,用氨基乙酸与二硫化碳、氯甲酸乙酯反应合成了异硫氰基乙酸乙酯,总收率为4 8。
Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.
由聚对苯二甲酸丁二醇酯(PBT), 聚碳酸酯(PC)和热塑性弹性体( TPE) 组成的三元塑料合金是PBT基塑料合金的新一代。
This paper describes a new generation of PBT based polymer alloy which is composed of PBT, PC TPE.
本标准溶液以邻苯二甲酸二(2 -乙基己基)酯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with di (2-ethylhexyl) o-phthalate and sub-packed in 2ml ampoules.
本标准溶液以邻苯二甲酸二(2 -乙基己基)酯在超净实验室中准确配制并分装于2毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with di (2-ethylhexyl) o-phthalate and sub-packed in 2ml ampoules.
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