新戊二醇 - 百度百科
新戊二醇 (NPG)，白色结晶固体，无臭，具有吸湿性。 主要用于生产不饱和树脂、无油醇酸树脂、聚氨脂泡沫塑料和弹性体的增塑剂、表面活性剂、绝缘材料、印刷油墨、阻聚剂、合成航空润滑油油品添加剂等；同时，新戊二醇还是优良的溶剂，可用于芳烃和环烷基碳氢化合物的选择分离；其氨基烘漆具有良好的保光性且不泛黄；还可用作生产稳定剂、杀虫剂的原料。 [1] 英文别名：2,2-Dimethyl-1,3-propanediol; 2,2-Dimethylpropane-1,3-diol. 结构式：见上图 [2] 性状：白色结晶 …
Neopentyl glycol - Wikipedia
Neopentyl glycol (IUPAC name: 2,2-dimethylpropane-1,3-diol) is an organic chemical compound. It is used in the synthesis of polyesters, paints, lubricants, and plasticizers. When used in the manufacture of polyesters, it enhances the stability of the product towards heat, light, and water.
National Portrait Gallery
The Smithsonian’s National Portrait Gallery will present Amy Sherald: American Sublime, the largest, most comprehensive exhibition of the artist’s work to date. Organized by the San Francisco Museum of Modern Art (SFMOMA), “American Sublime” is the artist’s first major museum survey, bringing together paintings made from 2007 to the ...
Neopentyl glycol Price and Market Analysis - ECHEMI
4 天之前 · Professional Neopentyl glycol price analysis and market insight from ECHEMI. You can find reliable and worth Neopentyl glycol market analysis, international trends, enterprise prices and more in one place.
Xtrackers S&P 500 Growth Scored & Screened ETF (SNPG)
Find the latest Xtrackers S&P 500 Growth Scored & Screened ETF (SNPG) stock quote, history, news and other vital information to help you with your stock trading and investing.
Xtrackers S&P 500 Growth Scored & Screened ETF - DWS Group
2025年3月19日 · Xtrackers S&P 500 Growth Scored & Screened ETF (the “fund”), seeks investment results that correspond generally to the performance, before fees and expenses, of the S&P 500 Growth Scored & Screened Index (the “Underlying Index”). The Underlying Index is derived from the S&P 500 Growth Index, which, in turn, is derived from the S&P 500 Index.
Preparation and characterization of solid-state neopentyl …
2021年1月1日 · Neopentyl glycol (C 5 H 12 O 2) (NPG) is chosen for this study as it shows S-S transition at a lower temperature of ∼41.5 °C. It is rich with hydrogen bonds [11].
新戊二醇（Neopentyl glycol简称NPG）是一种重要的有机化工原料
2024年11月28日 · 以NPG为主要原料制成的涂料树脂是制备粉末涂料、高固分涂料的基本成分，这些涂料具有优异的流动性、柔韧性、化学稳定性（尤其是抗水解性）、耐候性、抗氯性、热稳定性和耐紫外线照射等性能，广泛应用于汽车零部件、金属设备、大型仪器、电动机床、热水器、农用设备及玩具等领域。 聚氨酯领域：用于生产聚酯多元醇，这种聚酯多元醇主要用于非泡沫聚氨酯。 基于含新戊二醇的聚氨酯具有优良的水解稳定性、较低的玻璃化温度、较低的熔点、优 …
盘点NPG各大产品 - HEHESHENG
2024年1月12日 · k02:全npg杯子软度最高的产品，但是克数轻，体验并不好，单纯软。 k03:周年纪念款，螺旋纹很新奇，体验还行，赠的纪念币好看。 k04:硬，有测评可以去看，本慢玩玩家不喜欢。
NPG - 免疫缺陷小鼠 - 维通达生物技术有限公司
NPG小鼠是北京维通达生物技术有限公司自主研发的重度免疫缺陷小鼠。 构建详情如下： 首先进行ES细胞打靶：构建Il2rg基因打靶载体，在B6/129 F1背景的ES细胞上，筛选Il2rg基因3-8号外显子被替换为pGK-neo抗性序列的阳性打靶细胞 (见图1)。 再通过囊胚注射的方法，获得Il2rg基因敲除的ES嵌合小鼠，即首建鼠。 将首建鼠与NOD-scid小鼠回交，筛选的阳性后代与NOD-scid小鼠回交。 通过12代的回交，选择Il2rg-雄鼠和Il2rg+/-雌鼠交配，最终获得PrkdcscidIl2rg-/-小鼠。 …