胶乳

On curing, the -NCH〓OH groups of PNMA film would condense with each other to form a network of PNMA in which the PA molecular long chains were be"tightened"in bundles, or be confined in the meshes of the networks. 2. During the developing process of the low-temperature curable, non-formaldehyde PA latices, the monomers were chosen based on the organic/inorganic ratios, and the co-polymerization reactivity ratios. The effects of crosslinking monomer A and B were also compared.

从物质的有机性/无机性值，以及多元单体发生共聚的条件出发，通过比较交联单体A与B的性能，发现采用交联单体A的胶乳的性能良好，确定了一个由软、硬及交联单体A等多种单体组成的混合体系在阴/非离子组成的复合乳化体系中进行乳液聚合制备所要求的低温无甲醛PA胶乳的配方。

The effects of solid content of latex, reaction temperature, the amount of phenylhydrazine and pepegal O on the viscosity-average relative molecular mass M(subscript n of LNR were investigated, and the optimization of these influence factors was conducted by orthogonal test.

以天然橡胶浓缩胶乳为原料，在热氧条件下采用苯肼为催化剂通过化学降解法制备液体天然橡胶，考察了胶乳的总固物质量分数、反应温度、稳定剂平平加O和苯肼用量对LNR黏均相对分子质量M(下标 n的影响，并通过正交实验进行优化。

In addition, other operation condition, such as soapless seeded preparation schedule or without seed, could meet the requirement of the larger particle sizes, broader particle sizes distribution and lower viscosities. Besides the increment of addition rate induces the peel strength and tack decreased and the holding power increased for the PSA tapes that are made from the multicopolymer latexes, the above operation conditions which lead the particle sizes to enlarge would increase the peel strength and tack, and decrease the holding power.

用多元共聚胶乳制备的压敏胶带，除单体滴加速率增加使剥离强度与初粘力下降、持粘力增加外，通常，使胶乳粒径变大的操作条件将使压敏胶剥离强度与初粘力增加，持粘力降低。

It is studied the graft reaction of agglutinated latex.

研究了附聚胶乳接枝反应并测试了接枝胶乳性能。

Acrylamio-2-methyl propane sulfonic acid is applied in the production of water-based latex,which copolymerizes with acrylic acid,styrene or vinyl acetate to turn out latex resin.

2-丙烯酰胺基-2-甲基丙磺酸应用于水基性胶乳的生产过程中，与丙烯酸、苯乙烯或醋酸乙烯发生异分子聚合而生成胶乳树脂。

The dry rubber transect made from composite latex was observed with SEM. It was discovered that large particles of the creaming composite latex syncretized very well, and formed dry rubber membrane.

采用扫描电镜观察了复合胶乳干胶膜的断面形貌，发现大粒径的膏化胶乳成膜后胶粒间可以较好地融合。

The effects of styrene butadiene latex, polyester fiber,graphite and silicon powder on compressive strength and damping ratio of concrete were analyzed.

研究了羧基丁苯胶乳、聚酯纤维、石墨、硅粉等掺合料对混凝土的抗压强度和阻尼性能的影响，并对羧基丁苯胶乳、硅粉和石墨的作用机理进行了探讨。

The objective of the study is to analyze the main characteristics of synthetic latex ,and investigate the correlation between latex properties and coated paper quality.

本文剖析了合成胶乳的主要性能特征，讨论了胶乳特性与涂布纸质量的相关性；阐述了胶乳胶黏剂在纸张颜料悬浮液中与颜料粒子的相互作用及黏结机理，并分析了在涂布的不同阶段，乳胶微粒移动的不同方式。

The recent research advances in the synthesis of styrene-butadiene latex for paper coating,including monomer composition,particle structure,balance of surface strength and blister resistance,coating with good fluidity at high speed,latex stability,additive and material addition sequence were reviewed with 15 references.

介绍了近年来国外涂布纸用丁苯胶乳在单体组成、粒子结构、涂布纸表面强度与抗起泡性的平衡性、涂料高剪切流动性、胶乳稳定性、添加剂和加料顺序等方面的研究进展。

Latex collected from rubber trees of Clone Reyan 88-13 at the first tapping prior to ethrel stimulation and at different tappings after ethrel stimulation were determined in terms of ethylene rate by using capillary gas chromatography.

探讨采用毛细管柱气相色谱法测定橡胶树胶乳中乙烯释放量的方法，并初步测定了首次割胶的胶乳中乙烯释放量和乙烯刺激割胶不同割次的乙烯释放量。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了