降冰片烯
- 网络ENB;NBE;VNB
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以5-降冰片烯-2,3-二酸酐(NA)和甲醇为原料,正交试验法合成了5-降冰片烯-2,3-二羧酸单甲酯(NE),并对产物结构进行了表征。
5-norbornene-2,3-dicarboxylic acid monomethyl ester was prepared by using 5-norbornene-2,3 - ( dicarboxylic ) anhydride and methanol as raw materials and toluene as solvent .
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产物的NMR分析证明所合成产物分子中降冰片烯环上双键未参与聚合反应。
NMR characterization of the synthesized products shows that the double bond in the norbornene rig of the product polymers is not affected by the ATRP conducted .
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我们将带有聚乙二醇侧基的降冰片烯衍生物单体进行表面聚合,在硅片上得到了聚乙二醇(PEG)接枝的新型梳型聚合物功能薄膜,并考察了该材料的抗蛋白吸附性能。
Norbornene derivative monomers with polyethylene glycol ( PEG ) modified side chains were polymerized from silicon surface . The protein resistance of the PNb-PEG surface was studied .
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本文介绍了适用于RTM成形聚酰亚胺材料的研究进展,主要包括采用降冰片烯酸酐(NA)封端的PMR聚酰亚胺树脂和使用苯乙炔基封端剂合成的聚酰亚胺树脂。
RTM polyimide materials mainly including the PMR polyimides end-capped with nadic anhydride ( NA ) and phenylethynyl end-capped polyimides were reviewed in this paper .
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降冰片烯(Norbornene)及其衍生物具有同以上系统相似的自愈合功能。
Norbornene ( NB ) and its derivates have a similar self-healing function .
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在优化条件下,催化剂的活性达13t/(mol·h),聚降冰片烯的粘均分子量达1×106。
The catalyst activity of up to 1 3 × 10 7 g / ( mol · h ), and viscosity average molecular weight of polymer of up to 10 6 were obtained at optimum condition .
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降冰片烯及其衍生物是进行ROMP反应的常用单体,降冰片烯基单体的构型、空间位阻及极性都是影响ROMP反应的重要因素。
The configuration , steric exclusion and polarity of the norbornene-based monomers are important factors to affect the ROMP reaction .
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主要介绍了Ni、Pd、Co三种金属催化剂各自的结构以及其催化降冰片烯聚合的特点,同时也阐述了Ni、Pd催化剂催化降冰片烯聚合的机理。
In this paper , the structures of three kinds of late transition metal catalysts including Ni , Pd , Co and their characters of vinyl polymerization of norbornene have been introduced , and mechanism of vinyl polymerization of norbornene with Ni and Pd catalysts has been discussed .
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其中双环戊二烯(DCPD)的EPDM的非牛顿性,较乙叉降冰片烯(ENB)的EPDM更为显著,这可归因于分子量分布及长链支化的不同。
The experimental data showed that the non-Newtonian behaviour of DCPD-EPDM was more pronounced than that of ENB-EPDM , which was attributed to the differences in molecular weight distribution and long chain branching .
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降冰片烯均聚物以及四种共聚物热稳定性都比较好。
The homopolymer and copolymer of norbornene exhibited good thermal stability .
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降冰片烯加成聚合催化剂的研究进展
Progress of Catalysts for Vinyl - Polymerization of Norbornene
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降冰片烯二甲酸酐的晶形转变特征及其动力学
Characteristics and Kinetics of Crystal Transition of Nadic Anhydride
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钌催化降冰片烯开环移位聚合的研究
Ruthenium - Catalyzed Ring - Opening Metathesis Polymerization of Norbornene Initiated by O_2
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催化合成聚降冰片烯-聚(乙烯-co-丙烯)嵌段共聚物
Synthesis and Characterization of Polynorbornene Poly ( ethylene co propylene ) Block Copolymer
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BP/THF引发体系引发降冰片烯与马来酸酐可见光自由基共聚合
BP / THF initiation system initiated norbornene with maleic anhydride visible radical copolymerization
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聚酰胺的合成&N-羟基-5-降冰片烯-2,3-双甲酰亚胺的双活性酯与脂族二胺间在温和条件下的缩聚反应
Synthesis of polyamides from active diester of n-hydroxy-5-norbornene-2,3-dicarboximide and diamines under mild conditions
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降冰片烯及其衍生物开环易位聚合的研究进展
Advances in the study on ring opening metathesis polymerization of norbornene and its derivatives
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含N-萘基中性镍催化剂的合成及催化降冰片烯聚合反应
N-naphthyl Neutral Nickel Catalysts : Synthesis and Their Catalytic Properties for Polymerization of Norbornene
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耐热透明型聚降冰片烯树脂
The heat - resistant transparent polynorbornene resin
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另一方面,我们将连接降冰片烯骨架的基团,以一系列不同共轭长度的苯环呋喃交错寡聚物取代。
In addition , a series of double stranded polymers by using furan-containing oligoaryls as linkers was synthesized .
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介绍了耐热透明型聚降冰片烯树脂(商品名ARTDN)的特征、性质及应用新进展。
The characteristics , properties and application advances of heat-resistant transparent polynorbornene resins ( trade name : ARTON ) were introduced .
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并根据我国实情,阐述了开展亚乙基降冰片烯合成方法的研究对我国实现产业化的必要性和可行性。
The necessity and feasibility of carring out the study on synthesis methods to realize the industrialization of ethylidene norbornene in China were expounded .
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研究了在固体超强碱催化下由乙烯降冰片烯异构化制取乙叉降冰片烯的工艺方法和条件。
The preparation method and technological conditions of ethylidennorbornene with the method of isomerization of vinylnorbornene are studied with the catalyst of solid super alkali .
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降冰片烯分别与双环戊二烯、乙叉基降冰片烯共聚时,聚合方式仍然是按照加成方式,并且共聚物中的单体比例接近反应物比例。
The copolymers of norbornene with dicyclopentadiene or 5-ethylidene-2-norbornene were also vinyl-addition polymers , and the content of comonomer was close to the ratio in reaction .
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聚氨酯、聚降冰片烯、反式1,4-聚异戊二烯等均具有形状记忆特性。
Some polymers such as polyurethane , co-polymer of Styrene and Butadiene , 1,4-polyisoprene , crosslinked PE , etc. were found to have shape memory recovery ability .
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降冰片烯加成聚合物具有良好的热稳定性、高的光学透明性、低的吸湿性和低的介电常数,因此是一种很有前途的信息技术材料。
Vinyl-type polynorbornene has good thermal stability , high optical transparency , low moisture absorption and low dielectric constant , and thus is a very promising material for information technology .