开环聚合

文中总结了本体、溶液、细乳液中F3的阴离子开环聚合影响因素、机理与动力学，以及F3与其它单体共聚合反应等方面的研究进展。

The factors , mechanism , kinetics of the anionic ROP of F_3 in bulk , in solution or in miniemulsion , and the progress in copolymerization of F_3 with other vinyl monomers were summarized in this paper .

通过阴离子开环聚合法制备了纳米二氧化硅（SiO2）/MC尼龙6原位复合材料。

Silica / MC nylon 6 in-situ nano-scale composites were prepared by means of anionic ring-opening polymerization .

在反应釜内通过水解开环聚合制备了聚酰胺6/凹凸棒土（PA6/ATP）纳米复合材料，利用XRD和EXSC等测试手段分析了该复合材料的结晶结构；

PA6 / ATP nano-composites were prepared via hydrolytic ring-open polymerization in a reactor .

DMC催化环氧丙烷低温开环聚合

Ring - Opening Polymerization of Propylene Oxide by Double Metal Cyanide Catalyst at Low Temperature

在不同反应条件下采用开环聚合合成具有不同分子量的线性脂肪族聚酯PCL。

Different molecular weight linear aliphatic polyester PCL were synthesised by ring opening polymerization on the different reaction conditions .

ε-己内酯在引发剂La（OAr）3作用下的开环聚合特征&用正交试验法探讨最优聚合条件

Features of Ring-opening Polymerization of ε - Caprolactone Initiated by La ( OAr ) _3 ── Optimal Conditions Explored by Orthogonal Experimental Design

本论文重点研究了微波辐照下2，2-二甲基三亚甲基碳酸酯（DTC）和ε-己内酯（ε-CL）的开环聚合反应。

This dissertation is focused on the polymerization of 2 , 2-dimethyltrimethylene carbonate ( DTC ) and s-caprolactone (ε - CL ) under microwave irradiation .

以四丁基醋酸铵为引发剂，β-丁内酯为单体进行阴离子开环聚合制备PHB均聚物。

Based on these , anionic ring-opening polymerization of β - butyrolactone was performed using tetrabutylammonium carboxylates ( TBA acetate ) as initiator .

研究了环氧氯丙烷在Nd（P（204））3-Al（i-Bu）3-H2O三元稀土络合催化体系中的开环聚合动力学。

The kinetics of ring-opening polymerization of epichlorohydrin in the presence of Nd ( P204 ) 3-Al ( i-Bu ) 3-H2O catalyst system was studied .

这些铝配合物的结构和文献报道的SALEN铝的结构很相似，催化rac-LA开环聚合可能有立体选择性。

The structures of the aluminium complexes are very similar to the SALEN aluminum complexes reported in literature .

该化合物可用作氨基酸的N羰基环内酸酐（NCA）开环聚合法合成结构明晰的两嵌段聚氨基酸的引发剂，因而具有良好的应用前景。

It is potential to be used as an initiator in the synthesis of two block poly ( amino acids ) with NCA ( N carboxy anhydride ) monomers .

系统研究了反应性加工工艺对CBT开环聚合产物分子量的影响规律，并确定了合适的工艺条件。

The effects of processing conditions on the molecule weight of the products were investigated systematically . Meanwhile , suitable processing conditions were obtained .

研究了以KOH为催化剂，二元或三元醇为起始剂，采用阴离子开环聚合合成淬火剂用共聚醚。结果表明：产物的分子量随起始剂和杂质量的减少而增加；

The synthesis of oxyethylene oxypropylene copolyethers used for quenchant was studied by using anionic ring opening polymerization , diol or triol as the starting agent and KOH as the catalyst .

结果表明，MPEGNH2引发NCA开环聚合得到的是嵌段共聚物，通过1HNMR谱得到共聚物组成及数均分子量；

The results showed that products of NCA ring opening polymerization initiated by MPEG-NH 2 were block copolymers . Their block contents and number-average molecular weights were calculated from 1H-NMR .

激光烧蚀金属纳米粒子致TPDC开环聚合反应的研究

A study on ring-opening polymerization of TPDC induced by laser ablated metal nanoparticles

这些聚合物一般是通过活性聚合方法得到的，如阴、阳离子聚合，可控开环聚合（CROP），原子转移自由基聚合（ATRP）与可逆加成-断裂链转移（RAFT）聚合。

These polymers are generally prepared by living polymerization , such as living cationic / anionic polymerization , cationic ring-opening polymerization ( CROP ), atom transfer radical polymerization ( ATRP ) and reversible addition – fragmentation transfer ( RAFT ) polymerization .

结果表明这些醇铁化合物对丙交酯开环聚合都有较好的引发作用；聚合36h，单体转化率可达90%以上。

It was showed that these ferric alkoxides were efficient initiators for the ring-opening polymerization of lactides with higher than 90 % of monomer conversions polymerized at 130 ℃ for 36 h.

阳离子开环聚合制备端羟基聚环氧氯丙烷（PECH）时，往往伴随着一定量齐聚物的生成而使聚醚质量劣化。

Oligomers are often formed in the preparation of hydroxy-terminated polyepichlorohydrin ( PECH ) by cation ring-opening polymerization , so that quality of PECH is reduced .

由此认为醇铁化合物是通过配位-插入机理引发丙交酯开环聚合的，链增长的过程涉及到丙交酯酰氧键的断裂并不断插入到Fe-O键中。

It is suggested from these results that the polymerization proceeds via a coordination-insertion mechanism involving cleavage of the acyl-oxygen bond of the lactides .

以POSS-OH为核引发剂，在辛酸亚锡催化下，通过与ε-己内酯的活性开环聚合（ROP），合成了以POSS-OH为核的星形PCLs。

With POSS-OH as core initiator , stannous octoate as catalyst , star PCLs were synthesized by ring-opening polymerization ( ROP ) of ε - caprolactone .

以辛酸亚锡为催化剂，通过本体开环聚合合成了不同摩尔比的DL丙交酯乙交酯（DLLAGA）共聚物（PDLLGA）。

Poly ( DL-lactide-co-glycolide )( PDL-LGA ) copolymers with different DL-lactide / glycolide ( DL-LA / GA ) mole ratios were prepared by bulk ring-opening copolymerization of DL-LA with GA using tin octoate ( Sn ( Oct ) 2 ) as catalyst .

无规共聚机理一般与单体均聚机理相同，因此得出POSS与环硅氧烷在碱性催化剂作用下的共聚机理和环硅氧烷均聚机理相同，均属阴离子开环聚合机理。

The mechanism of random copolymerization commonly accords with the homopolymerization mechanism of monomers ; therefore , the copolymerization mechanism of POSS and cyclosiloxanes under basic catalysts is the same as the homopolymerization of cyclosiloxanes .

四氢呋喃共聚型GAP粘合剂的合成分两个步骤：a.通过四氢呋喃（THF）和环氧氯丙烷（ECH）在BF3·加二元醇催化下的阳离子开环聚合反应合成端羟基THF－ECH共聚醚；

The synthesis of tetrahydrofuran copolymerized GAP binder includes two steps : THF and ECH ( epichlorohydrin ) are copolymerized with the help of catalyst ( BF3 · + diol ) through cation ring opening copolymerization to hydroxyl terminated THF-ECH copolyethers ;

以氧化铝固载杂多酸（HPA/Al2O3）为催化剂、环氧氯丙烷（ECH）为促进剂催化四氢呋喃（THF）开环聚合，合成了含有ECH结构单元的端羟基聚四氢呋喃（PTHF）。

The alumina supported heteropoly-acid catalysts were prepared and used in the polymerization of THF in the presence of epichlorohydrin ( ECH ) to obtained the poly-tetrahydrofuran ( PTHF ) containing ECH moieties .

以三异丁氧基铝为催化剂，单体/催化剂摩尔浓度比为100，反应时间16h，在190℃或210℃下本体开环聚合，对它们的开环聚合进行了初步的研究。

The three cyclic carbonate monomers were ring-opening polymerized in bulk in the case of the catalyst Al ( O iBu ) 3 , monomer-to-catalyst ratio of 100 and reaction time of 16 hours .

以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃（PTHF）。

Polytetrahydrofuran ( PTHF ) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst .

此外，CBT具有快速聚合的特性，在CBT中加入催化剂，可以快速开环聚合成PBT，而且加工时无小分子放出。

More importantly , CBT has the characteristics of rapid polymerization after the addition of catalysts since it can quickly open the ring structure to form polybutylene terephthalate ( PBT ) polymer , and no small molecules release during the process .

本文首次采用高纯度乳酸、乙醇酸直接缩聚合成无催化剂的端羧基PLGA，并分别采用了低毒性辛酸锌代替辛酸亚锡为催化剂通过开环聚合法合成端羧基／酯封端PLGA。

In this article , high-pure lactic acid and ethanol acid were used to synthesized PLGA by direct condensation polymerization , and zinc octanoate of low nocuity was used as katalyst , instead of stannous octanoate to synthesize PLGA by the way of opening ring .

本文通过阴离子开环聚合的方法，合成了侧链带有多个烯丙基官能团的功能性聚环氧乙烷（PEO-g-allyl）。

In this paper , anionic ring-opening polymerization was used to synthesize functional PEO with multiple pendant double bonds ( PEO-g-allyl ) .

为了解决吉林油田低温含油污水处理的难题，作者采用环氧氯丙烷开环聚合、二甲胺阳离子化的方法合成阳离子净水剂XL-01，并考察药剂加量、沉降时间和水温对XL-01除油效果的影响。

To solve the problem of low-temperature oil-bearing wastewater in Jilin Oilfield , cation clarificant XL-01 has been synthesized and the effects of XL-01 dosage , sedimentation time and temperature on final oil content are studied respectively .