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.
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.
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.
以100重量份的二烯橡胶为基准，芳香乙烯基聚合物的含量优选为5 ~ 150重量份。
An amount of the aromatic vinyl polymer is preferably 5 to 150 parts by weight based on 100 parts by weight of the diene rubber.
我们只选用优质的顶层皮革，决不选用次等的二层皮革或乙烯基皮革。
We use only the finest quality, top grain hides available. No inferior split grain leathers or vinyls are ever used.
通过一元羧酸和二乙烯基醚的反应，我们得到了一种新颖的酯缩醛结构分子玻璃。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
以丙烯酸酯为单体，二乙烯基苯为交联剂，采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent.
但由于乙烯基酯树脂的高化学极性，用普通增稠剂和亲水性气相法二氧化硅对其实现很好的流变性控制是相当困难的。
Due to the high polarity of vinyl ester chemistry, it is known to be difficult to control the rheology with normal thickening additives or hydrophilic fumed silica.
主要研究工作包括以下几个方面：采用两步法将可聚合的乙烯基单体键接到二氧化硅纳米粒子表面合成大分子单体。
The main contents were as follows: Two-stage process has been developed to synthesize the macromonomer through surface-modification of silica with polymerizable vinyl groups.
对高乙烯基聚丁二烯（HVBR）与顺丁橡胶（BR）共混胶进行了透射电镜观察。
The microstructural morphology of high vinyl polybutadiene (HVBR) and cis- polybutadiene rubber (BR) blends was observed by transmission electron microscope .
共混胶性能非常类似于中乙烯基聚丁二烯橡胶。
The properties of the blends are very similar to that of middle vinyl polybutadiene rubber.
用液体丁腈橡胶、聚丁二烯、聚醚、硅橡胶、不饱和聚酯和多种乙烯基酯树脂为改性剂，研究了它们对DAIP树脂的增韧作用。
The toughening of DAIP resin with liquid nitrile-butadiene rubber, polybutadiene, polyether, silicone rubber, unsaturated polyester and vinyl resins was investigated.
有时直链较多的冷橡胶加入约1%的二乙烯基苯可轻微交联，从而改进可加工性和抗压缩永久变形性。
Sometimes the more linear cold rubbers are slightly crosslinked by the incorporation of about 1% divinyl benzene to improve processability and compression set resistance.
在制备亲水涂料的基础上，研究苯乙烯-二乙烯基苯树脂微粒对亲水涂膜性能的影响。
Starting from preparation of hydrophilic coating, a study was devoted to the effect of the fine grains of styrene divinylbenzene resin on the performance of hydrophilic film.
丙烯腈和二乙烯基苯在聚丙烯上接校共聚，再经二甲苯率取，得笼形氰基树脂。
Acrylonitrile copolymerized with divinylbenzene on polypropylene and then extracted with xylene, the cage cyano resin was obtained.
试验对比中乙烯基聚丁二烯橡胶(MVBR)和BR基本物理性能和在胎冠胶中的应用效果。
The physical properties of medium-vinyl butadiene rubber (MVBR) and its application in crown compound of bias truck tire were experimentally compared to those of BR.
以二乙烯基苯为交联剂，由甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸模型浇铸共聚，制得了一种交联型改性有机玻璃。
A kind of crosslinking modified organic glass was prepared by mold copolymerization of methyl methacrylate, styrene, methacrylic acid with divinylbenzene as crosslinking agent.
采用正交实验设计研究了反应温度、升温速率、二乙烯基苯的质量分数、裂解温度和保温时间五个因素对聚碳硅烷产率的影响。
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.
用链长分布不同的活性聚苯乙烯子聚物与二乙烯基苯进行阴离子嵌段共聚，合成了一系列两相模型交联网络。
A number of model networks were prepared by anionic block copolymerization of divinylbenzene with various living polystyrene precursors having different chain length distribution.
通过水蒸气活化法制备了聚苯乙烯基球形活性炭，并研究了其对二苯并噻吩的吸附性能。
Polystyrene-based activated carbon spheres were prepared by steam activation and their adsorption performance to a sulfur-containing dibenzothiophene was studied.
名称：甲基乙烯基二氯硅烷；
以苯乙烯和二乙烯基苯作为氰酸酯树脂的活性稀释剂，得到粘度低、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.
本文对MFE环氧乙烯基酯(含mfe型和afe型二种型号)树脂的固化性能(凝胶时间、放热峰和固化收缩率)作了报道并进行讨论。
The curing characteristics such as gel time, heat Peak and curing shrinkage rate of MFE epoxy vinyl ester resin (MFE type and AFE type) are discussed in this paper.
通过使用含乙烯基吡啶聚合物的催化剂能令 人惊奇地使形成二醇或二醇醚副产物的开环反应最少化。
Surprisingly, ring-opening reactions that form glycol or glycol ether by-products are minimized by using the vinylpyridine polymer-containing catalysts.
以丙烯酸酯为单体，二乙烯基苯为交联剂，三氯甲烷为致孔剂，采用悬浮聚合法合成了轻度交联的多孔丙烯酸酯类吸油树脂。
Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.
用萃取剂N_（235）（多种叔胺混合物）浸渍大孔苯乙烯-二乙烯基苯吸附树脂（SDAR）制备了溶剂浸渍树脂（SIR）。
Solvent impregnating resins (SIR) have been prepared by impregnating macroporous styrene-divinylbenzene copolymer adsorption resins (SDAR) in the solution of extracting agent N235.
本发明涉及使用二膦二卤化钴类催化剂及制备乙烯基单体聚合物的方法。
The invention relates to a process for utilizing catalyst such as diphosphonic dihalide cobalt to prepare vinyl monomer polymer.
以N-甲基乙酰胺、醋酸乙烯酯为原料，N，N-二甲氨基吡啶（DMAP）为催化剂，合成N-甲基-N-乙烯基乙酰胺。
N-Methyl-N-vinylacetamide was synthesized from N-methylacetamide and vinyl acetate with N, N-dimethylamino pyridine (DMAP) as catalyst.
采用一步法和二步法研究了聚乙烯薄膜表面的N- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。
The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
采用一步法和二步法研究了聚乙烯薄膜表面的N- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。
The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
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