多元醇

The key technology of "fattyacid-oil process" in production of alkyd resin is the alcoholysis of oils. The alcoholysis of fattyacid-oil is the result of esterification of fatty acid and alloholysis of oils, of which the medium effect of esterified product of fatty acid and polyols will promote the alcoholysis of oils with polyols.

制造醇酸树脂的"脂肪酸－油法"的技术关键依然是油脂的醇解，整个脂肪酸－油脂体系的醇解是脂肪酸酯化与油脂醇解并行反应的结果，其中，脂肪酸与多元醇的酯化产物的介质效应有力地促进了油脂与多元醇的醇解反应。

Based on the molecular structures, sugar alcohols can be classified into Mono sugar alcohol (such as erythritol, xylitol, sorbitol and mannitol ) and Disaccharide alcohol (such as maltitol,lactitol and isomaltitol).

糖醇是醛糖或酮糖的羰基经氢化还原成羟基的多元醇；按其结构可分为单糖醇(如四元赤藓糖醇、五元木糖醇、六元山梨糖醇和甘露糖醇)，双糖醇(如麦芽糖醇、乳糖醇、异麦芽酮糖醇)。

Structure Design and Modification of Mannitol-polylactide Tissue Engineering Materials;2. Based on the molecular structures, sugar alcohols can be classified into Mono sugar alcohol (such as erythritol, xylitol, sorbitol and mannitol ) and Disaccharide alcohol (such as maltitol,lactitol and isomaltitol).

糖醇是醛糖或酮糖的羰基经氢化还原成羟基的多元醇；按其结构可分为单糖醇(如四元赤藓糖醇、五元木糖醇、六元山梨糖醇和甘露糖醇)，双糖醇(如麦芽糖醇、乳糖醇、异麦芽酮糖醇)。

In borate solution, The order of effective mobilities of disaccharide-borate compolexes was saccharose＜celloiose＜ maltose＜lactose and that of polylol- borate complexes was ethylene glycol＜ propanetriol＜erythritol＜sorbitol＜mannitol＜dulcitol.

在碱性四硼酸钠溶液中二糖硼酸络合物淌度顺序为：乳糖＞麦芽糖＞纤维二糖＞蔗糖，多元醇硼酸络合物的淌度顺序为：六羟基多元醇＞四羟基多元醇＞三羟基多元醇＞二羟基多元醇。

Because of each Polyalcohol material has its own phasechange temperature, for getting widely used changing temperature scope, can press differentcomparison two kinds of polyalcohols as a binary system.

由于每一种多元醇都有固定的固-固相变温度，为得到较宽相变温度范围的贮热材料，可以将两种多元醇按不同比例混合组成多元醇二元体系。

The anti-sloughing mechanisms of modified polyalcohol were studied deeply through experiments including rolling and dispersing recovery,zeta potential and particle size distribution measuring,adsorption and .

通过降解和阳离子化反应，研制出了抑制性好而增粘负效应较低的改性多元醇防塌剂SD-306；通过红外光谱分析了改性多元醇防塌剂的分子结构，证明阳离子化反应引入了正氮基团；通过滚动分散、电动电位测量、粒度分布测量、吸附以及压力传递等实验手段，探讨了改性多元醇防塌剂的作用机理。

Fructose , syrup fructose , acesulfame-k, AK, potassium, synthetic sweetener , sucralose , sweetener, sugar replacer , sugar substitute , intense sweetener , disaccharide, non-reducing sugar , moisture retention,moistrure agent ,starch sugar , isomalt , palatinit , isomaltitol, Polyols,, sugar polyol , xylitol ,sorbitol ,mannitol , xylitol ,sugar ,syrup glucose, polydextrose , erythritol , sorbitol syrup , lactose , stevia , Puer Tea , Liupu Tea, Fructooligosaccharides, sweeting agent, trehalose , syrup trehalose, Stevioside

果糖，果糖糖浆，安赛蜜-钾，支ak ，钾，合成甜味剂，三氯蔗糖，糖，糖替代品，食糖替代品，激烈糖，双糖，非还原糖，保湿，水分剂，淀粉糖，异麦芽， palatinit ， isomaltitol ，多元醇，糖醇，木糖醇，山梨醇，甘露醇，木糖醇，糖，糖浆中的葡萄糖，聚葡萄糖，赤藓糖醇，山梨醇糖浆，乳糖，甜菊糖，普洱茶， liupu茶叶，低聚果糖， sweeting剂，海藻糖，糖浆海藻糖，甜菊糖

Using pentaerythritol as initiator, boron trifluoride diethyl etherate as catalyst.dichloroethane as dispersion agent, the chloride polyether polyol is synthesized based on the mechanism of cationic ring-opening polymerization of epiclilnrohyclrin.The azide polyether polyol is synthesized, in DMF through A and sodium azide, and the non-reported azide energetic curing agent is synthesized through the adduction of B and IIDI.

以季戊四醇为起始剂，三氟化硼乙醚为催化剂，1，2—二氯乙烷为分散剂，环氧氯丙烷经阳离子开环聚合反应制成氯化聚醚多元醇，A在N，N—二甲基甲酰胺中与叠氮化钠反应制得叠氮聚醚多元醇，B与六亚甲基二异氰酸酯加成反应制得未见文献报道的叠氮固化剂。

The present invention discloses a polycarboxylic acid copolymer which is obtained by copolymerization of monomer components comprising a polyalkyleneimine unsaturated monomer (A2) and an unsaturated carboxylic acid monomer, the polyalkylene glycol unsaturated monomer (A2) having an oxyalkylene group bonded to a polyhydric alcohol residue, and the monomer component containing an unsaturated monocarboxylic acid monomer.

公开了一种多元羧酸共聚物，它是通过单体组分共聚制得的，所述单体组分包括聚二醇不饱和单体(A2)和不饱和一元羧酸单体，所述聚二醇不饱和单体(A2)具有使氧化烯基结合到多元醇残基上的结构，所述多元醇残基平均每个分子具有不少于3个羟基。

The property of hydrolyzation was tested by marinating the PUF with different vegetable oil polyol into the solution of sodium hydroxide.

实验还进行了水解性能测试，即将不同植物油多元醇含量的聚氨酯泡沫塑料放入氢氧化钠中浸泡，试验表明植物油多元醇的存在有利于泡沫塑料的降解，植物油多元醇泡沫塑料是一种更加易于环境降解的材料。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。