查询词典 polymerization

The polymerization reactivity of the monomers increases with an increase in the spacer length and only those monomers and polymers with a flexible spacer≥(CH_2)_6 show liquid crystalline with their mesophases being smectic A.

随着柔性间隔基增长，单体的反应活性也相应增加，而且只有当柔性间隔基≥6时聚合物和单体才呈现出近晶A液晶态。

Nano-calcium carbonate/polymer composite particles were prepared by soapless emulsion polymerization of methylmethacrylate and Butyl acrylate on the surface of nano-CaCO3 in nano-CaCO3 aqueous suspension.

经甲基丙烯酸甲酯和丙烯酸丁酯双单体聚合包及的纳米碳酸钙形成了核壳结构增韧复合微粒。

The encapsulated TiO〓 particles by polymer were obtained with soapless emulsion polymerization of methyl methacrylate in water in the presence of the pretreated TiO〓 particles.

一种是用偶联剂钛酸丁酯对亲水性TiO〓粒子进行预处理，钛酸丁酯与TiO〓表面羟基反应，交联到TiO〓粒子表面，使TiO〓粒子表面由亲水性转变为憎水性，改善无机粉体与有机单体的亲合性，再进行TiO〓存在下甲基丙烯酸甲酯的无皂乳液聚合，即可得到TiO〓-PMMA复合粒子：另一种方法是用表面活性剂对TiO〓进行预处理，再进行TiO〓粒子存在下甲基丙烯酸甲酯的无皂乳液聚合，TiO〓粒子表面可形成一层均匀的聚合物膜，提出了包覆机理，指出单体在无机粉体表面发生聚合的关键是预先在粒子表面形成聚合场所，即吸附一层表面活性剂。

Selecting water-borne styrene/acrylic anti-rust latex of soapless polymerization technology as binder,iron oxide red and aluminum triphosphate as anti-rust system and nano SiO_2 paste,we prepared water-borne nano-modified styrene/acrylic anti-rust primer,properties of which reached the level of solvent-borne alkyd antirust coatings.

本试验选用无皂聚合工艺制备的水性苯丙防锈乳液为基料，氧化铁红与三聚磷酸铝组成防锈体系，添加纳米SiO_2浆料，制备的水性纳米改性苯丙防锈底漆性能达到溶剂型醇酸防锈涂料的水平，并分析了乳液、防锈颜料、纳米SiO_2对水性苯丙防锈底漆性能的影响。

Self-crosslinkable latex at room temperature with high elasticity is prepared when N-hydroxymethyl acrylamide is used as self-crosslinkable monomer, and poly solidum maleate is applied as protective colloid, and pre-emulsified and semi-continuous seeded emulsion polymerization is adopted.

采用N-羟甲基丙烯酯胺为自交联单体，聚马来酸钠为保护胶体，采用预乳化半连续种子乳液聚合工艺，制备出高弹性室温自交联乳液。

Self-crosslinkable latex at room temperature with high elasticity is prepared when N-hydroxymethyl acrylamide is used as self-crosslinkable monomer,and poly solidum maleate is applied as protective colloid,and pre-emulsified and semi-continuous seeded emulsion polymerization is adopted.

采用N-羟甲基丙烯酰胺为自交联单体，聚马来酸钠为保护胶体，采用预乳化半连续种子乳液聚合工艺，制备出高弹性室温自交联乳液。

Copolymerization by micellar polymerization [8] is the most usual method in which a surfactant such as sodium dodecyl sulfate is used in an aqueous solution to solubilize the hydrophobic monomer.

共聚胶束聚合[ 8 ]是最常用方法，其中表面活性剂，如十二烷基硫酸钠，是用在水溶液中，以solubilize疏水性单体。

Solution polymerization and amide reaction were used to synthesize the multifunctional comb-type amphiphilic polymer, stearyl methacrylate/ methylacrylic acid-ethanolamine-ethanediamine-folic acid polymer.

利用溶液聚合和成酰胺反应合成了多功能梳状两亲性共聚物，聚甲基丙烯酸-甲基丙烯酸十八酯-乙醇胺-乙二胺叶酸。

A micro-monolithic column was prepared by in-situ free radical polymerization of stearyl methacrylate with ethylene glycol dimethacrylate in the presence of the initiator AIBN and a mixture of porogens including iso-amyl alcohol and 1,4-butanediol.

以甲基丙烯酸碳酰十八酯为单体，乙叉二甲基丙烯酸酯为交联剂，异戊醇和1，4-丁二醇为二元致孔剂，偶氮二异丁腈为引发剂，原位制备了具有强疏水性的SMA整体微柱，并利用此整体微柱在普通高效液相色谱仪上测定滴眼液中氧氟沙星的含量。

But the conversion is sensitive to steric effects of half-sandwich titanocene and polymerization temperature.

它能产生更多的活性中心，有利于苯乙烯的间规聚合。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！