polyols相关论文
Catalytic transformation of cellulose and its derived carbohydrates into chemicals involving C-C bon
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Catalytic conversion of glucose to small polyols over a binary catalyst of vanadium modified beta ze
Catalytic conversion of glucose,the most abundant carbohydrate,to chemicals of petroleum origin has great desirability i......
利用热失重一红外光谱联机分析技术(TG—FTIR)研究了聚氯乙烯(PVC)共混物在氮气气氛 下、30～900℃范围内的热降解行为。结果表明：PVC......
Catalytic conversion of cellobiose and cellulose into polyols over extremely low phosphotungstic aci
Extremely low phosphotungstic acid combined with precious-metal catalyst(Ru/C or Pt/C or Pd/C)was used for one-pot conve......
Directional assist (010) plane growth in LiMnPO4 prepared by solvothermal method with polyols to enh
Phosphate material LiMnPO4 is popular for its high energy density (697 W·h·kg-1) and safety.When LiMnPO4 crystal grows......
Directional assist (0 1 0) plane growth in LiMnPO4 prepared by solvothermal method with polyols to e
Phosphate material LiMnPO4 is popular for its high energy density(697 W·h·kg-1)and safety.When LiMnPO4 crystal grows,t......
目的建立卷烟烟丝中3种多元醇类保润剂(丙二醇、丙三醇和三乙二醇)的气相色谱-质谱测定方法。方法将剪碎至4 mm并恒温恒湿下平衡的......
通过研究4种多元醇(海藻糖、甘露醇、山梨糖和蔗糖)对全人源抗VEGF165单克隆抗体(HVAB)构象及胶体稳定性的影响,筛选出最优的HVAB......
,Time-dependent radiolytic yields at room temperature and temperature-dependent absorption spectra o
The molar extinction coefficients at the absorption maximum of the solvated electron spectrum have been evaluated to be ......
本文通过对荣华二采区10...
以玉米秸秆粉末为原料,浓磷酸为反应催化剂,混合多元醇以及碳酸乙烯酯为液化剂,180℃条件下,在高压反应釜中对玉米秸秆进行催化液......
选取了305和1,4丁二醇及蓖麻油三种低分子多元醇,以预聚反应的方式,对双组分聚氨酯胶黏剂进行改性.通过傅立叶变换红外光谱(FT-IR)......
以微波对稻草进行预处理,丙三醇为液化剂,浓硫酸作为催化剂,分别考察了不同条件下稻草粒径、液固比、反应时间、催化剂含量和液化......
Time-dependent radiolytic yields at room temperature and temperature-dependent absorption spectra of
<正>The molar extinction coefficients at the absorption maximum of the solvated electron spectrum have been evaluated to......
测试PVC静态热稳定性和PVC白度值，研究多元醇分子的羟基结构、数目和位置对PVC加工热稳定性和色泽变化的影响，研究结果表明：伯醇，尤其......
对聚氨酯直接原料和中间原料进行技术调研,针对每种原料,按照实验室、中试、工业化三个阶段对其合成技术进行分类。并对聚氨酯产业......
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Three kinds of tung oil-based structural flame retardants polyols(TOFPs) were prepared by new methods in this paper. Fir......
用醇酸树脂多元醇与TDI反应制备快干聚氨酯涂料。讨论了醇酸树脂多元醇的羟基含量、氨酯化反应的保温方式和封闭剂含量等对聚氨酯......
双组分水性聚氨酯涂料由聚合物多元醇和多异氰酸酯组成,而多异氰酸酯可分为疏水性和亲水性两类.本文从如何实现多异氰酸酯在聚合物......
在较温和的条件下,山梨醇和木糖醇被氢碘酸还原转化为高碳烃液体燃料。产物采用GC-MS和FT-IR进行定量分析与表征,并对高碳烃产品的......
应用低水活度选择性增殖的方法从花卉，果园土壤，水果和蜂产品４等样品中分离得到２６８株高渗酵母，其中２０６株生产阿拉伯醇，赤藓糖醇和甘油等各种多......
目的：本研究旨在评价珠子草在体外及体内抑制半乳糖性白内障的作用。方法：研究珠子草提取液在体内及体外抑制半乳糖性白内障的作用。......
探讨了水与多元醇的质量比对阻燃高回弹聚氨酯泡沫塑料的反应活性、泡孔结构及制品性能的影响.结果表明：随着水与多元醇的质量比增......
由松香及二甘醇等合成醇酸树脂多元醇与ＴＤＩ反应制备了预聚型聚酯涂料，讨论了醇酸树脂多元醇、氨酯化反应的工艺等因素对聚氨酯涂料性能......
研制开发了氯化钙/聚合醇钻井液体系,并在史136井应用.实验和现场应用表明,氯化钙/聚合醇钻井液体系具有优良的泥页岩抑制性、润滑......
实验考察了常用聚合醇特别是PB-1的应用性能，讨论了在钻井液中的抑制、堵孔、界面活性、提高渗透率恢复率等作用，简介了在塔里木盆地......
Irritable bowel syndrome (IBS) is a lifelong condition with a high prevalence among children and adults. As the diet is ......
详细介绍了制备水性聚氨酯所需的原料，包括聚多元醇(聚酯／聚醚)、二异氰酸酯、亲水扩链剂、交联剂、扩链剂、溶剂、成盐剂及催化剂。......
The goal of this study is to describe a methodology for the analysis of D-sorbitol using benzyl alcohol as derivatizing ......
The goal of this study is to describe a methodology for the analysis of D-sorbitol using benzyl alcohol as derivatizing ......
Catalytic conversion of glucose to small polyols over a binary catalyst of vanadium modified beta ze
Catalytic conversion of glucose, the most abundant carbohydrate, to chemicals of petroleum origin has great desirability......
利用马来海松酸中酸酐和羧基反应活性的差异，合成了两种类型的双马来海松酸酯多元醇．测试了酯化产物的分子量、聚合度、粘度、羟值和......
介绍了以二苯甲烷二异氰酸酯（ＭＤＩ）、多元醇、三氯乙烯和三乙醇胺为原料合成塑胶制品用胶粘剂中间试验的工艺路线。讨论了各种因素对粘度......
以Toyopearl HW-55F树脂为填料,二氯甲烷和甲醇混合溶剂为洗脱剂,采用体积排阻色谱开放柱层析法对硬质聚氨酯泡沫用聚醚多元醇中的......
Development of polyurethane foam dressing containing silver and asiaticoside for healing of dermal w
Polyurethane foam dressings for dermal wounds were formulated with natural polyols in order to improve the foam characte......
Advanced wound dressings are replaced traditional dressings in order to provide appropriate environment for healing and ......
利用富里叶变温红外光谱，对多元醇及其二元体系在发生固－固相变时，多元醇晶体中－ＯＨ伸缩振动吸收峰位置随温度变化进行了讨论。实验表明，－ＯＨ吸......
研究了多元醇3 M146与MDI反应合成聚氨酯弹性体反应注射成型的B料。考察了B料的粘度与温度的关系,粘度与B料中NCO％的关系,以及B料的......
