多元醇

Means to solve the problem of insufficient contact between paper and plate surface upon printing and to improve printability have been reported in Japanese Patent Application Laid-open No. 2000-345493 in which a matte paper is produced by forming a coating layer with a pigment having a volumetric particle size distribution of more than 65% within the range of 0.4 to 4.2 μm on a base paper containing 10 parts or more by weight of mechanical pulp as a pulp for paper making and 3 to 12% by weight of paper of amorphous silica as a filler and then treating using a soft nip calender at 150° C. or higher; and in Japanese Patent No. 3093200 in which a bulky coated paper is produced by admixing a polyhydric alcohol and fatty acid ester compound or a polyhydric alcohol ester compound, said ester compound having alkylene groups having 2 to 4 carbons in less than 12 moles per mole of said ester compound to base paper for coating.

手段来解决不足的问题之间的联系的文件和钢板表面后，印刷及改善印刷适性已报道，在日本专利申请的下岗公开号2000-345493 ，当中一名磨砂纸所产生的形成层与色素有容积颗粒尺寸分布的65 ％以上的内部范围0.4至4.2 μ m的对基地文件，其中载有十个部分或以上按重量计算机械浆为纸浆造纸和第3至12 ％，按重量计算的文件白炭黑作为填料和治疗，然后用软债券发行计划的日历在150 ℃或更高；和在日本专利号3093200 ，当中一名笨重的涂布纸是由掺1多元醇与脂肪酸酯化合物或1多元醇酯复合说，酯化合物具有alkylene组有2至4活性炭在不少于12痣每摩尔说，酯化合物以原纸为涂层。

Precisely in April 2009, the companys new green soybean polyol polyurethane raw materials, has just passed ** certification, not only that so far has received soy polyol polyurethane over *** and other testing organizations Certification.

恰在2009年4月份，公司新推出的大豆多元醇聚氨酯绿色环保原材料，刚通过**认证，既，到目前为止大豆多元醇聚氨酯已经获得***等多个多家检测机构认证。

A biodegradable polyurethane foam from liquefied polyol was successfully prepared by using water as vesicant in one step method.

其次，以液化多元醇代替部分聚醚多元醇，采用一步法制备了以水为发泡剂具有良好性能的环境友好可降解聚氨酯包装用泡沫塑料。

A method for the preparation of microcellular elastomeric polyurethane foams from a reaction mixture comprising a polyisocyanate component containing at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a variant thereof, a polyol composition comprising at least one polyoxyalkylene polyol having an average nominal hydroxyl functionality of from 2 to 6, an average hydroxyl equivalent weight of at least 1300 and an average oxyethylene content of between 50 and 85% by weight, water, a chain extender having an average hydroxyl equivalent weight of from 15 to 250 and optionally a crosslinking agent, the hardblock-content being more than 45% by weight.

本发明是有关一种制备微孔弹性聚氨基甲酸酯泡沫体的方法，其反应混合物包括：一种含至少85重量％的4，4′－二苯甲烷二异氰酸酯或其变体的聚异氰酸酯组分，一种多元醇组合物，其包含至少一种平均标称羟基官能度从2至6、平均羟基当量至少1300且平均氧乙烯含量介于50至85重量％之间的聚氧亚烷基多元醇，水，一种平均羟基当量为15至250之增链剂，以及视需要使用的交联剂，该硬性嵌段－含量（hardblock-content）大于45重量％。

The method comprises following steps: reacting hydroxylation carbon nano-tube successively with reagent containing halogen and hydrosulphide to prepare sulfhydryl carbon nano-tube; reflowing the sulfhydryl carbon nano-tube and platinum salts in polyatomic alcohol, processing in hydrogen atmpsphere to obtain sulfhydryl anchoring platinum / carbon nano-tube catalyst; reflowing the sulfhydryl carbon nano-tube successively with the hydrochloroauric acid and the platinum salts in polyatomic alcohol, processing in hydrogen atmpsphere to obtain sulfhydryl anchoring platinum-gold / carbon nano-tube catalyst.

本发明将市售羟基化碳纳米管先后与含卤试剂和氢硫化物反应得到巯基化碳纳米管。再将巯基化碳纳米管与铂盐在多元醇中回流，氢气氛中处理得到巯基锚固铂/碳纳米管催化剂。将巯基化碳纳米管依次与氯金酸和铂盐在多元醇中回流，氢气氛中处理得到巯基锚固铂-金/碳纳米管催化剂。

The hydroxide value and viscidity of lignin-based polyhydric alcohol are 450～550mgKOH/g and 500～1000mPa.s respectively while 20 parts lignosulfonate calcium dissolves in common polyhydric alcohol for 2 hours.

4在160～170℃，20份木质素磺酸钙与GR-4110G多元醇互溶2小时得到羟值为450～550mgKOH/g、粘度在500～1000mPa.s的木质素多元醇。

The FTIR of lignin-based polyhydric alcohol shows new characteristic peak of carbonyl is formed and the characteristic peak of aromatic ring and polyether at 1600cm-1 and 1110cm-1 respectively, which induce there is linkage of chemical bond.

所得木质素多元醇通过红外光谱图表明在1750cm-1附近有新的酯羰基生成，并且在1600cm-1含有木质素的芳香环和1110cm-1的聚醚链，表明木质素磺酸钙与聚醚多元醇在互溶过程中有化学键的接合。

The polyurethane hot-melt adhesive film was prepared by casting process and the effects of polyether diol trpe,chain exlender amount andpolyol molecular weight on tensile strength,tensibility and hardness were studied.

采用流延法制备聚氨酯热熔胶膜，对影响聚氨酯热熔胶膜的拉伸强度、断裂伸长率、硬度的几个因素：聚醚多元醇类型、扩链剂用量和聚醚多元醇的分子质量等进行了研究。

The process includes the steps of reacting a plurality of ethylenically unsaturated monomers and a reaction moderator with a macromer having induced unsaturation in the presence of a carrier polyol, a free radical polymerization initiator, and a first graft polyol.

本发明方法包括使多种烯键不饱和单体和反应调节剂与具有诱导不饱和度的大分子单体在载体多元醇、自由基聚合引发剂和初级接枝多元醇存在下反应的步骤。

It was shown that the enthalpies of transfer had negative values in the investigated concentration range, and decreased with increasing the concentration of polyol.

实验发现，氨基酸和肽从水到多元醇溶液中的迁移焓均为负值，且随多元醇浓度的增加而减小。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。