萜烯
- 名terpene
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改性萜烯树脂(TS树脂)的开发及应用
Application and Development Prospects of Modified - terpene Resins
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萜烯树脂乳液与EVA乳液的质量比值为0.3时,复膜胶的剥离强度最大。
The largest tensile strength was obtained at mass ratio 0.3 of the terpene resin emulsion and the EVA emulsion .
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外源Bt杀虫蛋白和棉花主要抗虫萜烯类物质互作关系研究
Study on the Interactions Between Exogenous Bt-ICP and Cotton Terpenoids Chemicals
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GC-MS法测定植物排放的萜烯类化合物
The Determination of Terpenoid Compounds Emitted by Plants Using GC-MS Method
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谱图相似度分析结合保留指数对单萜烯同分异构体的GC-MS定性分析
Qualitative Analysis of Monoterpene Isomers by GC-MS with Spectral Similarity Analysis and Retention Index
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研究了以单环单萜烯烃为原料,CD分子筛为催化剂,歧化合成对异丙基甲苯的工艺条件,并对对异丙基甲苯进行了谱图解析。
This paper focuses on the technique requirements for disproportion synthesizing p cymene with monocyclic monoterperpene as raw material and CD molecular sieve as catalyst .
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将增粘剂(萜烯2种异构体)α-蒎烯树脂和β-蒎烯树脂分别与EVA树脂混合,做平行对比实验。
Did parallel experiments in which EVA resin with α - pinene resin and β - pinene resin was respectively blended . contrasting ;
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以纸色谱(PC)和高压液相色谱(HPLC)对棉花中萜烯类化合物的种类和含量进行定性定量分析。
Quantitative and qualitative analyses were conducted by paper chromatography ( PC ) and high performance liquid chromatography ( HPLC ) methods on the kinds and content of terpenoid in cotton varieties .
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热熔法预浸料制备工艺研究用少量SIS对EVA热熔胶进行共混改性,再与石蜡、萜烯树脂混熔制成SIS改性热熔胶。
Study on the technology of hot-melt prepregs A modified hot-melt adhesive was prepared by blending of EVA and SIS and adding paraffin and terpene resin .
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得到最佳漆膜的条件为,用汽油作溶剂,按萜烯邻苯二酚树脂与生漆的质量比1∶4,加入总溶质1%(质量分数)的催化剂,室温反应5.5h,涂膜后干燥3d。
The optimum condition of painted film was that terpene-catechol resin and raw lacquer ( 1 ∶ 4 ) reacted for 5.5 h with catalyst ( 1 % ) in petrol solvent . Drying time of the film was 3 d after the coating was painted .
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右旋柠烯(d-limonene)是中药橘皮中提纯的单体成份,属于天然单萜烯类化合物。
D-limonene is a monomer extracted from traditional Chinese medicine citrus peel , and is a kind of natural monoterpene component .
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目的:研究菊花活性成分倍半萜烯内酯(SLs)对人鼻咽癌细胞中线粒体功能和半胱天冬酶活化途径的影响。
OBJECTIVE : To study the effect of sesquiterpene lactones ( SLs ), the active ingredient of chrysanthemum , on the mitochondrial function of NPC cell and activating passage of caspase .
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气相色谱共分离出15个倍半萜烯组分(GLC含量>0.1%),质谱检索鉴定其结构。
In gas chromatogram , fifteen components ( GC content > 0.1 % ) were isolated , and their structures were identified by MS analysis .
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溶剂萃取法提取的主要是烷烃类化合物,水蒸气蒸馏萃取法提取的主要化合物为C6醛类、C6醇类、内酯类、萜烯醇类、酮类、烷烃类等。
C_6 aldehydes , C_6 alcohols , lactones , terpenic alcohols , ketones and hydrocarbons were the major constituents by steam distillation-extraction , meanwhile hydrocarbons were the dominant constituents in the solvent extraction samples .
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用乙烯-醋酸乙烯共聚物(EVA)乳液、萜烯树脂乳液和阳离子型苯乙烯-丙烯酰胺共聚物研制了系列水基复膜胶,并考察了萜烯树脂乳液中乳化剂结构对复膜胶性能的影响。
A series of water-soluble paper / plastics laminating adhesives were prepared using an EVA emulsion , terpene resin emulsions and cationic styrene-acrylamide copolymer , and effects of surfactants in the terpene resin emulsions on properties of the adhesives were investigated .
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实验结果表明,萃取压力15MPa、萃取温度40℃和萃取时间20min,是从油松针叶中萃取以α蒎烯和β石竹烯为代表的萜烯类化合物得率较高的萃取条件。
Results show that the optimum extraction conditions including the pressure of 15 MPa , temperature of 40 ℃ and the time of 20 min.
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由高分子表面活性剂(HS-2)制得的萜烯树脂乳液增加复膜胶剥离强度的效果最好。
Terpene resin emulsion prepared with polymeric surfactant ( HS-2 ) performed the best effects in increasing tensile strength of the adhesives .
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采用静态顶空气相色谱质谱法(HSGC/MS)对酒花油的成分进行了分析研究,共分离和鉴定了74种化合物,它们分别属于萜烯类碳氢化合物、含氧化合物和含硫化合物。
A study on hop oils by static HS-GC / MS was conducted . A total of 74 compounds , including terpenoid hydrocarbon fraction and fractions consist of chemically bound oxygen compounds and chemically bound sulfur compounds , were isolated and identified .
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本文研究了柏木萜烯与醋酐~多聚磷酸的乙酰化反应和d-芋烯与醋酐~多聚甲醛的Prins反应,经正交试验结果,柏木萜烯乙酰化反应得率为70%。
The acetylation of the hydrocarbon fraction of cedar wood oil with acetic anhydride ~ polyphosphoric acid and the prins reaction of d & limonene with acetic anhydride ~ paraformaldehyde have been studied .
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根据方法需要,确定了我国部分树木排放异戊二烯和萜烯的标准排放因子,各植被类型排放各种VOC的标准排放因子,以及各植被类型季节平均的叶生物量密度。
In this method , the isoprene and monoterpene standard emission factors for some types of tree in China were given and the standard VOC emission factors and seasonally average densities of leaf biomass for all types of vegetation were determined .
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采用FT-IR光谱研究了氢化萜烯马来酸酐(HTMA)与双酚A型环氧树脂的固化反应过程,并分析了固化度、凝胶时间及其主要影响因素。
The curing reaction of hydrogenated terpinene maleic anhydride ( HTMA ) with bisphenol A epoxy resin was investigated by FT-IR spectrum , and the curing degree , gelation time and its affecting factors were analyzed .
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使用G93算法,换算出相应异戊二烯和单萜烯的标准排放因子,并划分了这些排放因子的等级。
The conversion of relevant standard emission factors of isoprene and monoterpene were made using G93 arithmetic technique , and the grade of these factors was classified .
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阳离子树脂催化合成萜烯&邻苯二酚的研究
Study on Synthesis of terpene-catechol with cation exchanger resin as catalyst
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马尾松松节油倍半萜烯成分的分析
Determination of sesquiterpene components in gum turpentine oil from Pinus massoniana
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萜烯酚树脂溴值测定方法的研究
Study on methods of determining bromine number of terpene phenolic resin
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大多是单萜、倍半萜烯类化合物,Z-柠檬醛含量最多,达24.21%。
Z-Citral content was 24.21 % which was the most component .
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池杉的叶片和木材所含单萜烯与倍半萜烯相对含量之和分别达98.83%、94.91%;
That of Taxodium ascendens is 98.83 % and 94.91 % ;
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萜烯碳氢溶剂的性能及其在精密清洗中的应用
Performance of Terpene Hydrocarbon Solvent and Its Application in Precision Cleaning
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萜烯树脂乳液在水基复膜胶中的应用
Application of Terpene Resin Emulsion in Water-soluble Paper / Plastics Laminating Adhesives
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几种单萜烯在离子交换树脂催化剂上直接水合反应的研究
Direct Hydration of Some Monoterpenes in the Presence of Cation Exchange Resin