乙二醇

Durable formaldehyde-free phosphorus flame retardant for cotton,FRC-F,was synthesized with dimethyl methylphosphonate,phosphoric pentaoxide and ethylene glycol-glycerol mixt.

利用甲基膦酸二甲酯、五氧化二磷、乙二醇、丙三醇的混合物成功地合成了一种无甲醛棉用耐久性膦系阻燃剂，探讨了阻燃剂FRC-F、多元羧酸交联剂BTCA、催化剂NaH2PO2、柔软剂等应用于棉织物的工艺。研究结果表明：阻燃剂FRC-F是一种值得研究和开发的无甲醛棉用阻燃剂

In this paper, kinetics and mechanism of oxidation of dihydric alcohols、 ethylene glycol monoethyl ether 、 amino acids by Ag in alkaline medium were studied by spectrophotometry.

本文用分光光度法研究了在碱性介质中，二羟基二合银配离子氧化二元醇、乙二醇独乙醚和天冬氨酸的反应动力学及机理。

A series of poly/PET-copolyester polymer blends and fibers from these blends are preparated . The polymer blends are : PET/CDP(CDP: cation dye dyeable polyester or high pressure type cation dye dyeable polyester); PET/ECDP(easy cation dye dyeable polyester or normal pressure type cation dye dyeable polyester); PET/ECDP/polyethyleneglycoland PET/CGP. The transition temperature, crystalline structure, rheological behavior and thermal stability were studied .

本文制备了聚对苯二甲酸乙二醇酯／高压型阳离子染料可染聚酯；PET／常压型阳离子染料易染聚酯；PET／ECDP／聚乙二醇和PET／CGP一系列PET／PET-共聚酯共混物及纤维，对其转变温度、结晶性能、流变性能及热稳定性进行了研究。

Then,the core molecule was used as a coupling agent to condensate with polyethylene glycolsof different molecular weight or polyethylene glycol monomethyl etherin the presence of stannous octoate as catalyst and diphenyl ether as azeotropic agent to remove water.

在辛酸亚锡催化下，以二苯醚为共沸脱水剂，将三官能度小分子TMP-SK3作为偶联剂，进一步与不同分子量的端羟基聚乙二醇和聚乙二醇单甲醚缩合，减压下共沸脱水，制备了以TMP-SK3为核，PEG或PEGm为臂的三臂星形大分子。

Isocyanurate based on TDI was synthesized and the heat-resistance property of casting polyurethane elastomer which synthesized using isocyanurate based on TDI and PEPA was obviously enhanced compared to polyurethane elastomer which did not introduce the isocyanurate by the TGA under the different temperature and the mechanics performance maintenance rate at high temperature.

在催化剂作用下，合成了TDI-100型异氰脲酸酯，并与己二酸乙二醇丙二醇酯合成了浇注型聚氨酯弹性体，通过不同温度下的热失重分析和弹性体的力学性能高温保持率对比分析表明，在TDI型聚氨酯弹性体中引入异氰脲酸酯基团，可明显提高弹性体的耐热性能。

The organic template N, N'-diisopropylethylenediamine is believed to be formed through a reaction between isopropylamine and the solvent ethylene glycol.

结构中的有机模板剂N，N'-二异丙基乙二胺被认为是在合成过程中由异丙胺和溶剂乙二醇分子通过脱水生成。

The fluorescence properties of polymethylene bis-b-naphthoates I (n = 2, 3, 4, 5, 10) in poor solvents such as DMSO-water and ethylene glycol-water were measured under stationary and nonstationary conditions at various temps.

本文研究了双-β-萘甲酸多亚甲基二醇酯在二甲基亚砜-水(DMSO-H2O)和乙二醇-水(EG-H2O)两种混合溶剂中的稳态和时间辨荧光光谱以及温度、溶剂组成对荧光光谱的影响。

Flame—retardant resin was prepared by the condensation and polymerization of phosphoric acid, trihydroxy methyl propane and epoxy chloropropane,the resin was then reacted with hexane diacid and diglycol under certain condition ,resulting in polyol containing 1.5% P and 17— 18% polyester polyol, which was foamed with polyisocyanate, water and catalyst by one— step method, producing fire...

通过磷酸、三羟甲基丙烷和环氧氯丙烷的缩合和聚合反应制得阻燃树脂，然后将它与己二酸、一缩二乙二醇在一定条件下反应制得含P1.5%和含Cl17～18%的聚酯多元醇，再将它与多异氰酸酯、水、催化剂等组分采用一步法发泡工艺制得阻燃聚氨酯软泡塑料。

Flame— retardant resin was prepared by the condensation and polymerization of phosphoric acid, trihydroxy methyl propane and epoxy chloropropane,the resin was then reacted with hexane diacid and diglycol under certain condition ,resulting in polyol containing 1.5% P and 17— 18% polyester polyol, which was foamed with polyisocyanate, water and catalyst by one— step method, producing fire—resistant PU soft foam.

通过磷酸、三羟甲基丙烷和环氧氯丙烷的缩合和聚合反应制得阻燃树脂，然后将它与己二酸、一缩二乙二醇在一定条件下反应制得含P1.5%和含Cl17～18%的聚酯多元醇，再将它与多异氰酸酯、水、催化剂等组分采用一步法发泡工艺制得阻燃聚氨酯软泡塑料。

The invention makes clay brick powders as main materials, and is compounded from such chemical industry materials as acrylic acid emulsion, sodium hexametaphosphate, sodium benzoate, glycol, trimethylene glycol, polydimethyl siloxanes, methylcellulose and titanium oxide powder as per certain proportion.

本发明以粘土砖粉为主要原料，和丙烯酸乳液、六偏磷酸钠、苯甲酸钠、乙二醇、丙二醇、聚二甲基硅氧烷、甲基纤维素、钛白粉等化工原料按一定配比组合而成。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。