粘度指数

寒区工业齿轮油理想添加剂应由粘度指数改进剂、降凝剂、S－P型极压抗磨剂、酚型抗氧剂及苯三唑脂肪胺盐等组成。

The ideal additives for industrial gear oil in cold area should be comprised of improver of viscosity index , pour point depressant , S-P extreme pressure wear inhibitor and benzo-triazole fatty amine .

润滑油用粘度指数改进剂SEP的制备及其性能研究

Preparation of the viscosity index improvers SEP for lubricating oil and the study on its properties

评价道路沥青感温性的指标包括针入度指数PI、针入度粘度指数、粘温指数等；

The indexes of temperature sensitivity are various such as PI , PVN , VTS and so on .

以多种TMP按一定比例混合作为二冲程油的基础油，比单一合成酯基础油具有更好的高、低温润滑性能和更高的粘度指数；

The mixed ester has better high / low-temperature lubricity than any single composition in the mixture .

高粘度指数PAO的合成

Synthesis of High Viscosity Index PAO

ATF三功能粘度指数改进剂的研制及性能评定

Formulation and properties evaluation of ATF VII with three functions

通过非牛顿指数（n）、结构粘度指数（Δη）和粘流活化能（ΔEη）定量研究了沥青树脂的流变性。

From the quantitative indexes of non-newtonian exponent ( n ), structural viscosity index (Δη) and the activation energy of the viscous flow (Δ E_ η), the rheology of pitch resin was investigated .

OCP粘度指数改进剂分子结构对低温性能的影响

Influence of Molecular Structure of OCP VI Improver on Subzero - property

用于粘度指数改进剂的氢化SIBR的研究

Preparation and Application of Hydrogenated SIBR Used for Viscosity Index Improver

采用针入度粘度指数（PVN）法、粘温指数（VTS）法和针入度指数（PI）法分别考察了再生沥青的感温性。

In this paper the temperature susceptibility by means of penetration index PI , viscidity temperature index VTS and penetration viscidity index PVN was studied .

c2代表粘度指数改进剂加量对粘度指数改进剂增粘能力的影响。

C 2 represents the influence of the rate of the viscosity index improver in the oil on the thickening power of the viscosity index improver .

用中试放大产品为粘度指数改进剂调制的SF/CD15W/40内燃机油，功能剂总量比使用分散型乙丙共聚物为粘度指数改进剂的油减少一个百分点后仍通过了MSⅢD台架评定试验。

The dosage of the said improver was 1 % less than the dispersive ethylene / propylene copolymer for formulating SF / CD 15W / 40 internal combustion engine oil , which passed through the MS ⅲ D sequence test .

在一种选择性强的催化剂作用下，通过α-癸烯齐聚反应合成的PAO粘度指数达到130以上。且具有良好的氧化安定性。

Under the action of a strong selective catalyst , the viscosity index of PAO with good oxidation stability synthesized through 1 - decene oligomerization reaction reaches 130 above .

基础油与粘度指数改进剂对CF-4油使用性能的影响

The effects of base oil and viscosity index improver on the performance of CF-4 diesel engine oil

在九五期间，石油化工研究院（RIPP）开发了在中压条件下以中间基原油生产高粘度指数润滑油基础油的成套技术。

A medium pressure hydrotreating process for manufacturing high-grade lube oil base stocks has been developed by RIPP .

减三线馏分油粘度指数很低，加氢处理后其粘度指数达40～50，可用于调制CA级柴油机油。

The viscosity index of distillate oil from the 3rd side line of vacuum tower is very low . After being treated by hydrogenation , the viscosity index reaches 40 ~ 50 , and can be used for modulating diesel oil of grade CA.

乙丙共聚物粘度指数改进剂（OCP）目前正由单效向双效、多效发展，这对提高内燃机油质量具有一定意义。

It has significance in improving the quality of internal combustion engine oil that ethylene-propylene copolymer is under development from single-effect to double-effect or multi-effect at present .

粘度指数改进剂SHL-615的生产与应用

Production & Application Of Viscosity Index Improver SHL-615

结果表明，选用乙醇、糠醛、NMP抽提时，剂油比分别为2、1.5、1时回收油粘度指数最佳。

The experiment results showed the viscosity index was the best with the solvent of ethanol , furfural and NMP extraction at the solvent to oil ratio of 2 , 1.5 , 1 respectively .

乙烯/丙烯共聚物（OCP）作为配制多级汽油机油常用的粘度指数改进剂，具有良好的增稠能力和抗剪切能力。

Ethylene / propylene copolymer ( OCP ) as usual improver of viscosity index ( VI ) to make up multilevel gasoline engine oil , have the well thickening ability and anti-shear property .

用两类原油的混合油生产的润滑油基础油粘度指数高、氧化安定性好，达到了HVI基础油要求。

The production of lubricant base oil with the wixed oil from both kinds of crude oil possesses high visosity index , good oxidation stability and achieves the requirements of HVI base oil .

使用大庆中性油和国产乙烯-丙烯共聚物粘度指数改进剂研制的水杨酸盐型复合配方经卡特皮勒1G2480h试验后，顶环槽充炭率为70%，加权总评分为295；

The salicylate type compounded package used with Daqing neutral oil and domestic ethylene-propylene copolymer additive was tested on Caterpillar 1G_2 for 480 hours , resulting in a 70 % groove filling and 295 weighted total demerits ;

以国产或进口乙丙共聚物热氧化降解后的干胶为原料，采用溶解法工艺开发出粘度指数改进剂T613。

With dissolution method technology , the VII T613 was prepared from the domestic or imported ethylene propylene copolymer after thermo-oxidative degradation .

因此，应提高高粘度指数（HVI）基础油的比例，并选用溶剂精制与加氢处理相结合的方法由中间基原油生产HVI基础油。

So the proportion of high viscosity index ( HVI ) base oil should be increased , and the method of combining solvent refining and hydrotreating should be applied to produce HVI base oil from intermediate base crude oil .

而目前常用的描述粘度指数改进剂对油品粘度影响的Kraemer和Huggins方程，在粘度指数改进剂添加量一定时，所显示的是一无截距的直线方程，与试验结果不完全一致。

This result does not agree with the equations developed by Kraemer or Huggins , which have been widely used now for describing the changes of the oil viscosity with the added viscosity index improvers .

研究了超高相对分子质量聚乙烯（UHMWPE）冻胶的流变特性，以及温度、相对分子质量对冻胶的lgηa-lgγ流动曲线、非牛顿指数和结构粘度指数的影响。

The rheological behavior of ultrahigh-molecular weight polyethylene ( UHMWPE ) gel was studied , as were the effects of temperature and molecular weight on lg η a - lg γ flow curve , non-Newtonian index and structural viscosity index of the gel .

采用冷启动模拟机（CCS）和MRV对小型旋转粘度计（OCP）粘度指数改进剂的低温流变学性能进行了测试，并将分析结果与粘度指数改进剂的分子结构进行了关联。

The low temperature rheological properties of olefin copolymer ( OCP ) viscosity index improvers were measured by CCS ( cold cracking simulator ) and MRV ( mini rotary viscometer ) . The results were correlated with the molecular structures determined with 13 C NMR and gel permeation chromatography .

随着温度的提高，PBST-70熔体的结构粘度指数Δη减小，但热降解增加，所以适当的纺丝温度对于熔体的可纺性和稳定性非常重要。

With the increase of temperature , structural viscosity index of PBST-70 tended to decrease , however , the possibility of thermal decomposition increased . Therefore , it was important to select suitable spinning temperature for the spinnability and stability .

加工试验表明，加氢裂化尾油经过糠醛精制、酮苯脱蜡以及白土精制可以生产出符合HVIH标准（高粘度指数基础油）的润滑油基础油。

The result of processing test showed that , through furfural extraction , ketone-benzol dewaxing and clay refining , the hydrocracking bottom oil can be used to produce the lube base oil that matches the standard of HVIH ( high viscosity index base oil ) .

润滑油用乙丙共聚物粘度指数改进剂的制备

Preparation of the Ethylene-propylene Copolymer Viscosity Index Improver for Lubricating Oil