查询词典 acrylate

A three-unite hydrogel that had a thermoresponsive shape memory was prepared by copolymerizing a hydrophobic monomer n-stearyl acrylate with n- undecylenic acid and acrylamide,and its structure and properties were studied by X-ray diffraction,DSC and DMA.

选用疏水性单体丙烯酸十八酯和十一烯酸以及亲水性单体丙烯酰胺制备了三元共聚凝胶P(SA-co-AM-co-HA)，通过X射线衍射、DSC、DMA等对三元凝胶的结构和性能进行了研究，发现三元凝胶形成了有序排列，这种有序排列会随着温度的变化发生可逆转变，从而使凝胶显示较好的形状记忆特性。

The relationship of the amounts of emulsifier, organosilicon monomer (D4) and initiator with the ratio of fluorescence intensity between first vibronic peak of pyrene (λ= 373 nm) and third vibronic peak of pyrene (λ=384nm)Ⅰ1/Ⅰ3 were discussed during the emulsion polymerization process, in which pyrene was used as fluorescence probe. The polymerization behavior of the organosilicon-acrylate latex with core-shell structure was investigated in line with the relationship of monomer conversion and development of morphology in latex particles with the value of Ⅰ1/Ⅰ3 for probe pyrene during the polymerization process.

以芘为荧光探针，探讨了有机硅-丙烯酸酯核壳乳液聚合过程中，芘的第一振动峰(373nm处)与第三振动峰(384nm处)荧光强度的比值Ⅰ1/Ⅰ3与乳化剂、有机硅单体（D4）和引发剂用量之间的关系，并结合聚合过程中探针芘的Ⅰ1/Ⅰ3 峰值与单体转化率及乳胶粒形态演变之间的关系，研究了核壳结构有机硅-丙烯酸酯乳液的聚合行为。

A series of polymers containing 1,8-naphthalimide moieties in the side chains have been prepared via RAFT technique. Firstly, five styrene and two methyl acrylate based 1,8-naphthalimide monomers were synthesized and characterized. Then, carbazyl group terminated polystyrene was used as macromolecular RAFT agent.

我们合成了5种苯乙烯类和2种甲基丙烯酸酯类萘酰亚胺单体，以一种含末端带咔唑结构的聚苯乙烯为大分子RAFT试剂，考察了所得单体的RAFT聚合，发现苯乙烯类1，8-萘酰亚胺单体可以聚合，但是聚合度不高，甲基丙烯酸酯类1，8-萘酰亚胺单体RAFT聚合不可控。

The poly macromer was copolymerized with butyl acrylate i n benzene to form the graft copolymer.

研究了聚甲基丙烯酸甲酯大单体与丙烯酸丁酯在苯中的共聚。

In the terpolymerization of polyoxyethylene macromer , methyl methacrylate and butyl acrylate the polymerization rate and the effects of various factors on grafting efficiency and molecular weight of the terpolymers were studied.

研究了聚氧乙烯大单体与甲基丙烯酸甲酯及丙烯酸丁酯的三元共聚中大小单体的聚合速率和引发剂用量、大单体分子量及投料比对接枝效率及共聚物分子量的影响。

Methyl methacrylate - butyl acrylate graft copolymer with uniform branched chain was synthesized using a macromer technique.

采用大单体技术合成了以聚甲基丙烯酸甲酯为主链，聚丙烯酸丁酯为支链的规整接枝共聚物。

Amphiphilic graft copolymers were synthesized by the copolymerization of polyoxyethylene macromer with butyl acrylate and methyl methacrylate in benzene using azobisisobutyronitrile as initiator.

以偶氮二异丁腈为引发剂，将大单体聚环氧乙烷与小单体丙烯酸丁酯、甲基丙烯酸甲酯在苯溶液中进行共聚，合成了两亲性接枝共聚物。

Polyurethane-acrylate Macromer was synthesized by IPDI, HEMA and PEG, and a new kind of transparent polymer was preparaed by the Macromer crosslinked.

利用异佛尔酮－二异氟酸酯、甲基丙烯酸－β羟乙酯、聚乙二醇合成了一种聚氨酯丙烯酸酯类大分子单体，并将其固化交联得到一种新型透明材料。

The fluoro-acrylate was homopolymer-ized and copolymerized in emulsion at present of a composite emulsifying agent,respectively.

含氟丙烯酸酯在复合乳化剂存在下分别进行均聚乳液聚合和共聚乳液聚合。

In this article, the factors that affect molecular weight and solubility of polyacrylamide are studied and suitable initiator system is selected. The optimum parameters of copolymerizing process are obtained as follows: the molar proportion of acrylamide and sodium acrylate is 7:3, the monomer concentration is 30%, pH value of solution is 12, the oxidizer (K2S2O8) concentration is 0.1%, the reducing agent (NH2CONH2) concentration is 1%, the chain-transfer agent concentration is 0.4%. The initial reaction temperature is 35℃.

讨论了影响聚丙烯酰胺分子量和溶解性能的因素，选取了合适的氧化-还原引发体系，确定了制备超高分子量速溶型部分水解聚丙烯酰胺的优化聚合工艺参数：起始共聚合反应温度为35℃，保持在密闭条件下的共聚合反应2.5h后，再将聚合反应温度升高到55℃，继续反应2h，反应结束；反应溶液单体总浓度：30％，共聚合反应溶液pH值：12，氧化剂K_2S_2O_8：0.1％，还原剂NH_2CONH_2：1％，共聚合反应中两种单体的投料比：丙烯酰胺：丙烯酸钠=7：3，异丙醇链转移剂：0.4％。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。