1、

This paper reviews energy saving technology and application of powder acrylic acid low polymer.

简要介绍粉状丙烯酸低聚物的快速节能合成工艺技术以及丙烯酸低聚物的应用市场概况.

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2、

The effects of shear rate and shear time on gelling behavior of weak gel formed with the solution of low polymer concentration are studied in this paper. Some results were gained.

用实验方法研究了剪切速率和剪切时间对2种成胶体系的低浓度聚合物冻胶成胶行为的影响。

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3、

The results indicate that water and metal ions can promote the development of fly ash from vitreous body to low polymer in the process of wet milling and placement, so as to improve the second-hydration capability of mineral admixture slurry.

研究表明,在湿磨及放置过程中,粉煤灰玻璃体表面可向低聚度方向转化,结构变疏松,可促进其二次水化反应。

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4、

The ketonealdehyde resin ( KAR ) is an important kind of low polymer ( LMP ) .

酮醛树脂是一类重要的 低聚物.

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5、

Plasticizer DOTP was prepared from ethylene glycol residue ( major component is PET low polymer) using single step process in which alcoholysis and ester interchange were combined.

以聚酯生产中产生的下脚料&乙二醇残渣(主要含PET低聚物)为原料,采用辛醇合并醇解、酯交换一步法工艺,合成了增塑剂DOTP。

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6、

The new generation of low polymer cement ratio and high elasticity polymer cement waterproof paint is developed by means of modified treatment of polymer and special composition of plastifier to be added.

通过对聚合物进行改性处理,加入特殊成分的增塑剂,研制成新一代低聚灰比高弹性聚合物水泥防水涂料的性能,并对其固化机理进行了初步探讨。

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7、

A new inner ply compound with high SR proportion and low polymer content was developed by increasing the blending ratio of SR from 30% to 40%, changing the type of carbon black and adding 5 phr of silica.

将内层胶配方中合成橡胶用量由原来的30份提高到40份,通过改变炭黑的品种、添加5份白炭黑等方法降低原生产配方的含胶率。

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8、

With the Zinc as the catalyst, lactide monomer was obtained by decomposition of low polymer. With the zinc diethyl as the catalyst, the lactide was polymerized to Poly ( DL-lactic acid).

以锌为催化剂由乳酸的低聚物裂解制得单体丙交醋,再由二乙基锌引发开环聚合得到高分子量的聚乳酸。

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9、

It has the characteristics of low polymer and crosslinker concentration, inexpensive charge and controllable gelling time, so it is suitable for large volume treatment to improve the volumetric sweep efficiency of water, modify the water profile and enhance the recovery ratio.

因此,它比较适合大剂量注入,有望进行深部处理,提高注入水的体积波及系数,改善吸水剖面,从而达到提高采收率的目的。

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10、

the experimental results indicated that low temperature of casting solution and coagulation bath, short evaporation time and low polymer concentration of casting solution tend to increase the effective porosity of membrane.

实验结果表明较低的铸膜液温度和凝胶浴温度、较短的蒸发时间和较低聚合物浓度有利于增加膜的有效孔隙率。

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11、

The paper expatiates the lab research, evaluating and applying situation in the field about a series of low polymer fracturing fluid adapted in reconstructive low press and low leap store layer.

阐述了适用于低压低渗储层改造的低聚合物压裂液体系的室内研究、评价及现场实施情况。

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12、

Low polymer fracturing fluid system, with characteristics of little residue, low friction and filtrate loss, being easy to flow back, is developed.

研制开发了低残渣、低摩阻、低滤失和易返排的低聚合物压裂液体系。

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13、

Rapid Synthesis of Powder Acrylic Acid Low Polymer

粉状丙烯酸低聚物的快速合成和应用

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14、

Furthermore, procyanidins low polymer and procyanidins high polymer were separated by organic reagent extraction.

并用有机溶剂萃取法初步分离出低聚原花青素和高聚原花青素。

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15、

The results showed that, with the increment of iron content, B and aging time, the species of PAFC changed form low polymer to high polymer.

实验结果表明,随着铁含量的增加、碱化度(B)的增大和熟化时间的延长,PAFC中铝铁的形态由低聚物向高聚物转化。

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16、

The study on compound modified method with ground fine mineral powder and emulsion powder to the performance of polymer cement mortar with low polymer cement ratio is carried out.

:采用磨细矿粉与乳胶粉复合改性的方法对低聚灰比聚合物水泥砂浆的性能进行了研究。

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17、

The composition analysis of procyanidins low polymer by HPLC showed that the compositions of the extracted product were the almost same as the compositions of standard procyanidins.

通过HPLC对原花青素低聚物进行了成分分析,结果表明,所提取的产品与原花青素标准品成分基本一致。

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18、

Evaluation of Salt-resistance Polymer with Medium-Low Molecular Weight

中、低分子抗盐聚合物的评价研究

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19、

How to realize the high performance with special property and low cost is one of most important research field of polymer science and engineering in 21st century.

因此,如何实现聚烯烃树脂具有更优异或特种性能,获得品种更多、用途更广及成本更低廉的新材料,是目前高分子科学最重要的研究课题之一。

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20、

The polymer solution was manifested to show the property of shear thinning at low flow rate and shear thickening if the flow rate exceeded a point.

实验发现聚合物溶液在低流速下,表现剪切变稀,超过一定流速后,表现为剪切增稠。有效粘度和弹性粘度随着剪切速率和疏水基含量的增大而增大。

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