氰醇
- 与 氰醇 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Examples of monomers which have on average not less than 3 cross-linking groups per molecule include for example tri, tetra, penta and hexa functional isocyanates, alcohols, amines, epoxys,acrylates, siloxanes and imines.
其中的单体平均不超过3交叉连接不到每分子团体有例子包括,例如三,四,五溴和六功能异氰酸酯,醇,胺,epoxys,丙烯酸酯,硅氧烷和亚胺。
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The prepared PU was an elastic solid,which could dissolved in ethanol,and it exhibited strong deep purple fluorescence at the peak of 365 nm along with a shoulder at 386 nm as a thin film. Obviously,the prepared PU also was a kind of uncommon ultraviolet-emitting polymer materials.2.A novel water-soluble rod-coil block copolymer was designed and prepared successfully via the facile isocyanic acid polycondensation method using polyfluorene as rod segment and polyethylene glycol as coil segment in the main chain for the first time.
所制备的聚氨酯是一种弹性固体,可以溶解在乙醇中,同时又显示出具有半导体性质的荧光性能——最大荧光发射峰在365 nm并且在386 nm处有一个小的侧肩峰,可见它又是一种非常难得的紫外发光聚合物材料。2、首次采用了简单的异氰酸酯反应,成功地将聚芴作为刚性链段和聚乙二醇作为柔性链段,以嵌段方式连结到聚合物分子主链上,从而形成了一种新型的具有刚性链—柔性链结构的嵌段共聚物。
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The result indicated that, gathers in advance the emulsion water resistance and mechanics performance which in the body preparation method the one-stage process obtains is good, but two steps obtain the emulsion stability is good; The neutralizaing agent triethylamine amount used should enable to achieve neutral between x-y, to gathers in advance the body disperser and the emulsion stability only then is advantageous; The water affinity chain extendor DMPA content to the emulsion viscosity, stable and the emulsion cellophane water resistance has the remarkable influence, its amount used general control between x-y; Hard section isocyanogen diethylene glycol dinitrate primary control paint film degree of hardness, module, anti-avulsion, wear-resisting and so on performance, the soft section low-molecular polymer polyols primary control paint film elasticity, hydrolisis performance and so on bears the low temperature and bears
结果表明,预聚体制备方法中一步法得到的乳液的耐水性和力学性能较好,而两步法得到的乳液的稳定性好;中和剂三乙胺的用量应使中和度达到x-y之间,对预聚体的分散和乳液的稳定性才有利;亲水扩链剂DMPA的含量对乳液的粘度、稳定性及乳液胶膜的耐水性有着显著的影响,其用量一般控制在x-y之间;硬段异氰酸酯主要控制涂膜的硬度、模量、抗撕裂、耐磨等性能,软段低聚物多元醇主要控制涂膜的弹性、耐低温和耐水解等性能
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Some affecting factors on properties of the adhesive were discussed, including relative molecular weight of polyester polyol, Chain-extender, isocyanurate index and water.
讨论了聚酯多元醇的相对分子质量、扩链剂、异氰酸酯指数、水分等对聚氨酯油墨连接料性能的影响。
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In order to enhance the compatibility of ABS/PP/CaCO3 composites, the effects of reactive blends of the composites were studied by using Haake rheometer. The effects of various assistant cross-linkingers, such as castor oil, triallyl isocyanurate, turpentine (JS-1) and glycol dimethacrylate, and the used amount of cross-linkinger-dicumyl peroxide on the torques of the melting composites were investigated.
为提高ABS/PP/CaCO3复合材料相容性,采用转矩流变仪观察了ABS/PP/CaCO3三元复合物反应性共混后的扭矩,考察了不同的助交联剂蓖麻油、异氰脲酸三烯丙酯、松香酯(JS-1)、二甲基丙烯酸乙二醇酯以及交联剂过氧化二异丙苯的用量对共混物的影响。
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Polyethylene glycol monomethylether, isophorone diisocyanate and hydroxyl ethyl methacrylate were used as raw materials, the mixmonomer was synthesized.
采用聚乙二醇单甲醚、异氟尔酮二异氰酸酯和甲基丙烯酸β-羟乙酯合成混合单体。
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Methods for the preparation of isothiocyanates from various starting materials such as tert-alcohol, amine, nitrile oxides and isocyanides were reviewed.
综述了以不同起始原料如叔醇、胺、腈氧化物及异腈化物等合成异硫氰酸醋的方法,并对某些反应机理进行探讨研究。
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The method is characterized in that:(1) the reflux of the 2-[N, N- 2amino]-3-cyano-group-4-thiopheneacetic-5-carboxylic acid tetra ester is carried out in the proper sodium hydroxide aqueous solution of alcohol for 5h to 6h and the pH value is kept over 10 during hydrolysis;(2) the ethanol of 20 per cent to 60 per cent is added and then the strontium chloride aqueous solution with 2times to 2.5times molal weight is directly added, precipitates the crystal, is filtered and dried;(3) water is added to carry out the reflux and the little salt packed in the crude product is removed, and the product is collected through heat filtration.
其特征在于:①将2--3-氰基-4-羧甲基噻吩-5-羧酸四酯在适量氢氧化钠水醇溶液中回流5~6小时,水解过程保持pH值10以上;②然后再加入20-60%乙醇,随后直接加入2-2.5倍摩尔量氯化锶水溶液,析出结晶,过滤,晾干;③加水回流,除去粗品中包裹少量盐,热过滤,收集产品。
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Ingredients: Apple Cider Vinegar, Magnesium Chelate, Monocalcium Phosphate, Inositol, Ascorbic Acid, Biotin, Mixed Tocopherols, Niacinamide, Calcium Pantothenate, Zinc Chelate, Manganese Chelate, Vitamin A Palmitate, Copper Chelate, Vitamin D, Selenium Chelate, Chromium Chelate, Pyridoxine HCl, Ribofl avin, Thiamine HCl, Molybdenum Chelate, Cyanocobalamin, Folic Acid, Vanadium Chelate, Potassium Iodide.
果醋,螯合镁,磷酸一钙,肌醇,抗坏血酸,生物素,混合生育酚,烟碱醯胺,泛酸钙,螯合锌,螯合锰,维生素A棕榄脂,螯合铜,维生素,螯合硒,螯合铬,盐酸?哆辛,核黄素,盐酸硫胺素,螯合钼,氰钴,叶酸,螯合钒,碘化钾
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The properties of material were studied by adjusting the scale of 1,4-butylene glycol, index of isocyanate, the content of SiO_2 and stannous octoate.
试验了1,4-丁二醇比例、白碳黑和辛酸亚锡含量、异氰酸酯指数对弹性体性能的影响,测试了材料的力学性能和粘度变化。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。