烯丙基的
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This invention applies mild condition uses substituent group triphenylamine aldehyde or triphenylamine dialdehyde as raw material to react by heating with 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group to produce the intermolecular charge transfer chromogen with high decomposition temperature, non-coplanar structure, and triphenylamine group.
本发明采用温和的手段,将取代基三苯胺单醛或取代基三苯胺双醛为原料与2-(3,5,5-三甲基环己烯-2-烯亚基)丙二腈共热生成具有高的热分解温度、非共平面空间结构的含三苯胺基团的分子内电荷转移生色团。
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The results showed that the thermo-sensitivity of hairy PNIPA changed obviously in the presence of hairy PAA as polyelectrolyte.4-cyanopentanoic acid dithiobenzoate as soluble reversible addition-fragmentation chain transfer agent was directly added into the above PS particles with photo-initiator on the surface and NVP or NIPA as monomer.
其次,将水溶性RAFT试剂直接引入上述光引发聚合体系,探讨连续相中RAFT试剂的存在对微球表面N-乙烯基吡咯烷酮或N-异丙基丙烯酰胺聚合的影响,考察了RAFT试剂对聚合过程中微球壳层高分子毛发厚度和单体转化率变化趋势。
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Given the current complexity of industrial recovery of 3'-methyl-2'-butenyl 3, 3-dimethyl-pentenoate and the decomposition problems with 2-methyl-1-butene, research was conducted on a process for direct recycling of MBDP involving an ester exchange reaction of MBDP with either methanol, trimethyl orthoacetate, or solutions of methanol and trimethyl orthoacetate.
针对目前工业上回收3,3-二甲基-4-戊烯酸-3'-甲基-2'-丁烯酯工艺复杂、异戊烯大量分解问题,研究了MBDP直接返回循环使用工艺,MBDP与甲醇、原乙酸三甲酯或与甲醇原乙酸三甲酯混合溶液进行酯交换反应的回收新工艺,比较了四异丙基钛酸酯、甲醇钠、氢氧化钾用作酯交换催化剂的效果,筛选出回收MBDP&一锅煮&最佳工艺:按照n:n:n:n=1.0:9.8:9.2:0.05物质的量比投料,74℃~78℃反应21h,MBDP转化为贲亭酸甲酯和异戊烯醇,单程转化率87.7%,用85%的磷酸中和甲醇钠,蒸出甲醇,直接用于合成贲亭酸甲酯。
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Further more, to make the hybrid microspheres with good dispersibility in aqueous media, 3-propyl triethoxysilane was added to copolymerize with St and DVB, and after hydrolization the microspheres with silanol groups on the surface were obtained, which can be well dispersed in water and used for cell imaging.
进而将3-甲基丙烯酰氧基丙基三甲氧基硅烷作为共聚单体,得到了表面硅羟基功能化的聚苯乙烯荧光微球,改善了微球在水相中的分散性,并将此类荧光功能微球成功用于细胞成像。
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The silica/Polystyrene monocore-shell nanocomposite particles(95nm in diameter) were synthesized through miniemulsion polymerization by using sodium dodecyl sulfate surfactant,hexadecane costabilizer in the presence of silica particles(50nm in diameter) coated with methacryloxytrimethoxysilane.
采用细乳液聚合法,以3-甲基丙烯酰氧基丙基三甲氧基硅烷(KH570)表面改性的直径50nm的氧化硅粒子为核,在乳化剂、助乳化剂、引发剂存在的情况下制备了小粒径、单核核壳结构氧化硅/聚苯乙烯纳米复合微球。
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HMT general synthesis is aluminum chloride as a catalyst, isopropyl - toluene right with the new hexene, or 2 January 2 3 1 2 1-butene six-olefins reaction.
HMT的合成一般是以三氯化铝为催化剂,由对异丙基甲苯与新己烯、或2,3一二甲基一2一丁烯等六碳烯烃反应生成。
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N-propyl-4-(N-methylacryloxy-ethyl)amino-1,8-naphthalimide was synthesized and used for determination of picric acid.
合成了N-丙基-4-(N-甲基丙烯酰基氧乙基)氨基-1,8-萘酰亚胺,研制出了苦味酸荧光光纤传感器,可间接测定药片中磷酸氯喹和水样中苦味酸的含量。
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Poly silica hybrids were prepared through polymerization, condensation and sol gel processes of the mixture of methyl methacrylate, poly and a small amount of coupling agent methacryloxylpropyl trimethoxy siliane in tetrahydrofuran.
采用溶胶-凝胶技术,以硅酸钠为原料制备聚硅酸/四氢呋喃溶胶,再与甲基丙烯酸甲酯及少许偶联剂甲基丙烯酰氧丙基三甲氧基硅烷(MPTMS 混合,经聚合、缩合和溶胶-凝胶过程制备了有机/无机两相间有— C—Si—O—键的杂化材料——聚甲基丙烯酸甲酯/二氧化硅(PMMA/Si O2 )。
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Using tetrabutyl titanate and methyl methacrylateor 2-Hydroxyethylmethacrylate (HEMA as materials, methacryloxylpropyl trimethoxy siliane as coupling agent, HCl as catalyst, Poly-titania(PMMA-TiO2) nanocomposites and Poly-titania(PMMA-TiO2) nanocomposites were synthesized by sol-gel process.
以盐酸作为催化剂,将钛酸四丁酯水解制备二氧化钛(TiO2)溶胶;随后将所制备溶胶与甲基丙烯酸甲酯、硅烷偶联剂(γ-甲基丙烯酰氧丙基三甲氧基硅烷)相混合,以过氧化苯甲酰作为引发剂,经过聚合、缩合和溶胶-凝胶过程,制备了均匀透明的PMMA-TiO2纳米复合材料和PHEMA-TiO2纳米复合材料。
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Comb-shaped copolymer of polycarboxylate containing carboxyl,sulfonic groups(-SO3M),polyethylene glycol(-OC2H4-) was synthesized by monomers of sodium 2-acrylamido-2-methylpropane sulphonate,acrylic acid,polyethylene glycol monoester acrylate under certain conditions.
本文通过2-丙烯酰胺-2甲基丙基磺酸钠与丙烯酸、聚乙二醇单丙烯酸酯在一定条件下发生聚合反应合成含有羧基、磺酸基(—SO3M)、聚氧乙烯链(—OC2H4—)等侧链的高性能减水剂PC。
- 推荐网络例句
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By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.
到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。
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The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.
在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。
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There was a conflict between plebs and patricians in ancient Rome in 494BC.
在公元前494年,罗马发生了一次平民反对贵族的斗争。