聚异丁烯

采用差热扫描量热（DSC）和碳-13核磁共振（13C-NMR）的研究手段，对热加合烃化工艺过程中，高活性聚异丁烯的结构变化进行研究。

By means of DSC and13C-NMR , a structure change of high reactive polyisobutene was disclosed during thermal processing for the synthesis of alkyl succinic anhydride .

综合使用核磁、VPO和近红外光谱分析技术对聚异丁烯活性端基含量以及相对分子质量的测定进行了详细研究。

This paper researches measuring method of high active end group content and molecular weight of polyisobutene using nuclear magnetic resonance , vapour pressure osmosis and near infrared spectra .

聚异丁烯与AgO在50℃以上发生化学反应，热力学研究方法对其并不适用；

The thermodynamic research method was not suitable for the reactions of polyisobutylene with AgO chemically reacted at 50 ℃ and up ;

GPC浓度效应的研究&聚异丁烯的GPC浓度效应

Study on Concentration Effects in Gel Permeation Chromatography Concentration Effects in GPC for Polyisobutylene

用GPC普适校正法测定低相对分子质量聚异丁烯的相对分子质量及其分布

Measurement of molecular weight and its distribution for low molecular weight polyisobutylene by GPC universal calibration

高活性聚异丁烯（Polyisobutylene）是纯异丁烯经过阳离子溶液聚合制得的高分子均聚物，是一种无色、无味、无毒的粘稠状物质。

Highly reactive polyisobutylene is a kind of macromolecule homopolymer , which is got through pure isobutene being polymerized by cation solution .

结果表明，用GPC法测定的聚异丁烯数均相对分子质量与膜渗透法（VPO法）测定结果相比较，其相对误差在5%以下；

The number average molecular weight of polyisobutylene determined by the curve was coincided with that measured by Knauer membrane osmometer , and the relative error was less than 5 % .

报道了汽油清净剂聚异丁烯胺类（PIBA）的合成、后处理方法，以及PIBA衍生物的清净性能。

In this paper were reported the methods of PIBA synthesis and its post-treatment as well as detergency of PIBA derivatives .

结果表明，在自制的R2型分子筛条件下，反应温度180℃，质量空速3h-1，异丁烯单程转化率达80%以上，二聚异丁烯选择性为90%。

Result showed that conversion of isobutylene reached 80 % and selectivity of diisobutylene was 90 % when reacted at 180 oC with mass airspeed of 3h-1 by self-made R2 catalyst .

EGD风冷二冲程汽油机油采用Ⅱ类基础油、无异味煤油、低分子聚异丁烯及多种国产添加剂配制而成。

The EGD wind cooling two stroke gasoline engine oil are formulated with base oil (ⅱ), kerosene without peculiar smell and low molecula PIB , as well as many kinds of domestic additives .

兰州石化公司生产高辛烷值汽油的碳四加工联合工艺，原采用催化裂化生产的轻碳四馏分，由MTBE、聚异丁烯、气体分馏、叠合和烷基化等装置组成，流程较长。

The original combined process for C 4 processing to produce high octane value gasoline in Lanzhou Petrochemical Company was made up of MTBE , polyisobutylene , gas fractionation , polymerization and alkylation units , taking FCC light C 4 distillate as feedstock .

最佳反应条件如下：反应温度为230～240℃、反应时间为14h，聚异丁烯与马来酸酐配料比为1∶2。

The best reaction temperature is in the range of 230 ℃ to 240 ℃, and the reaction time is about 14 hours , and the mixture ratio of polyisobutylene to maleic anhydride is one to two .

采用三根串联的μ-Styragel500A-100A-100A柱（7.8×300mm），四氢呋喃作流动相，示差折光器检测，从而定量地测定了聚异丁烯中稀释油的含量。

Three μ - styragel 500-100-100A columns ( 7.8 × 300 × 3mm ) were used in series for the separation . Tetrahydrofuran was used as eluent and a differential refractometer was used as the detector . Thus , the diluent oil content in polyisobutylene could be determined .

低分子聚异丁烯合成因素的探讨

Discussion on the effect of synthetic factors about low-molecule polyisobutylene

环己烷在聚乙烯和聚异丁烯中无限稀释扩散系数的测定

Measurement of Infinite Dilution Diffusion Coefficients of Cyclohexane in Polyethylene and Polyisobutylene

不同催化剂体系对聚异丁烯端基结构的影响

Effect of different catalyst systems on end-group structures of polyisobutenes

聚异丁烯丁二酸季戊四醇酯无灰分散剂的研制

Development of ashless dispersant ── polyisobutylene butane diacid pentaerythritol ester

氯化法聚异丁烯丁二酸酐生产反应器的技术分析

Analysis of the Reactor for Preparing Polyisobutylene Succinic Anhydride Using Chlorine Method

聚异丁烯胺汽油清净剂的合成过程研究

A Study on the Synthesis Technique of Polyisobutene Amine

分子筛催化法合成二聚异丁烯的研究

Synthesis of Diisobutylene by the Catalysis of Molecular Sieve

聚异丁烯高活性端基含量及相对分子质量测定方法的研究

Research of Determining High Active End Group Content and Molecular Weight of Polyisobutene

聚异丁烯丁二酸酐衍生物的合成及应用

Synthesis and Application of Derivatives of Polyisobutylene Succinic Anhydrides

应用正碳离子聚合的方法合成新型聚异丁烯遥爪预聚物。

The new telechelic prepolymers of polyisobutylene have been synthesized by the carbocationic polymerization .

硅烷改性聚异丁烯密封剂的开发与应用

Development and Application of Silane-Modified Polyisobutylene Sealants

高速凝胶渗透色谱法测定低分子量聚异丁烯的分子量分布（Ⅱ）

Determination of molecular weight distribution of low molecular weight polyisobutene by high speed GPC (ⅱ)

本文综述了高活性聚异丁烯的制备、反应活性、与马来酸酐的反应及其应用。

Prepartion and reactivity and applications of highly reactive palyisobuleae were reviewed in this paper .

聚异丁烯丁二酰亚胺装置改造的设计特点

Design features of revamped polyisobutylene succinimide unit

汽油清净剂聚异丁烯胺类的研究进展

Advances in research on PIBA gasoline detergents

高活性低相对分子质量聚异丁烯

Hi-activity and Low Molecular Weight of Polyisobutene

变频调速器在低分子聚异丁烯装置反应器压力控制中的应用

The application of frequency governor in pressure control of reactor of low molecular polyisobutylene unit