新戊二醇

2000年，全球新戊二醇（NPG）产量已达25万t，国外主要生产厂家有美国巴斯夫、伊斯曼等。

In 2000 , the world NPG output has reached 0.25 million tons , the primary manufacturers are BASF , Eastman and etc.

研究了新戊二醇/蒙脱土复合贮能材料的制备方法及其相变动力学。

The preparation and phase change kinetics of NPG / montmorillonite composite materials for energy storage were studied .

用熔融法制备了贮热用新戊二醇/海泡石复合材料，并采用DSC和DTA-TG等热分析手段测定了样品的各种热化学性能。

NPG / Sepiolite composites were prepared by melt . Their thermal properties have been studies with DSC and DTA-TAG .

在聚酯中添加间苯二甲酸（IPA）和具有侧链结构的新戊二醇（DTG），制成了高收缩聚酯切片及纤维。

High-shrinkage polyester chip and fibers can be produced by adding isophthalic acid ( IPA ) and neopentyl glycol ( DTG ) with side chain into polyester .

研究了利用插层复合法将新戊二醇-三羟甲基氨基甲烷（NPG-TAM）二元体系多元醇混合物嵌插到蒙脱土的层间，制取NPG-TAM/蒙脱土复合贮能材料的方法。

A new method was presented to prepare the NPG-TAM / montmorillonite composite material for energy storage .

介绍了国内外新戊二醇生产技术与催化剂研究开发情况，着重介绍了缩合加氢法合成新戊二醇工艺技术、催化剂开发和代表当今国际先进水平的Eastman工艺流程的主要工艺参数。

The situation of technology and catalysts used in production of neopentyl glycol were introduced . The stress was put on condensation - hydrogenation to produce neopentyl glycol , development of catalysts and main operation parameters in the most advanced Eastman process using condensation - hydrogenation method .

用ZrO2和La2O3对固体超强酸催化剂SO42-/Fe2O3进行改性，并将改性催化剂用于以新戊二醇和异丁基氯代苯丙酮为原料催化合成布洛芬药物中间体&缩酮。

Solid superacid catalyst SO 4 2 - / Fe 2O 3 was modified by ZrO 2 and La 2O 3 . The ketal , a intermediate for producing Ibuprofen , was synthesized by condensation reaction using SO 4 2 - / Fe 2O 3-ZrO 2-La 2O 3 as catalyst .

结果表明：聚酯型聚氨酯的耐水解性符合Turpin提出的六原子经验规则，己二酸&新戊二醇聚酯制备的聚氨酯水解后，其主要力学性能降低率<10%，具有优良的耐水解性。

The results showed that the hydrolysis resistance of polyurethane based on polyester conforms to the Turpin 's six atom experience rule . Polyurethane prepared from polyneopentyl glycol adipate exhibit excellent hydrolysis resistance and the decreasing percentage of its main mechanical properties was lower than 10 % .

该法采用己二酸新戊二醇聚酯固定相作分离柱（2000mm），氢焰检测，外标法定量，氯代正丁烷纯度采用100减去杂质总量求得。

In this method , a separating column (φ 4 × 2 000 mm ) packed with neopentyl glycol adipate ( NPGA ) , FID and external-standard quantitative evalution were used . The purity of n butyl chloride could be obtained by 100 minus the overall quantity of the impurities .

用于合成新戊二醇的Cu/ZnO加氢催化剂研究

Study on the Cu-ZnO Hydrogenation Catalyst in Synthesis of Neopentyl Glycol

膨胀型阻燃剂新戊二醇乙撑磷酰胺的合成微胶囊红磷膨胀型阻燃剂的制备及应用

Preparation and Application of Intumescent Flame Retardant of Microencapsulated Red Phosphorus

由季戊醇、氢溴酸制备了二溴新戊二醇。

Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid .

新戊二醇的气相色谱法分析

Analysis of the 2,2 dimethyl 1,3 - propanediol with gas chromatography

新戊二醇反应液色谱分析方法的研究

Study of Gas Chromatographic Method for Analysis of Neopentylglycol Reactant Solution

缩合加氢法合成新戊二醇催化剂与生产工艺研究进展

Progress on Technology to Produce Neopentyl Glycol by Condensation - hydrogenation Method

Pd/C催化下空气氧化新戊二醇反应的研究

Air Oxidation of Neopentyl Glycol by Pd / C Catalysts

由异丁醛和甲醛缩合加氢合成新戊二醇的过程研究

Preparation Technology of Neopentyl Glycol by Condensation and Hydrogenation from iso-Butylaldehyde and Formaldehyde

对新戊二醇和己二酸的聚酯化动力学进行了研究。

We investigate the kinetics of polyesterification of adipic acid with neopentyl glycol .

马来海松酸新戊二醇酯多元醇的制备及性能

Preparation and properties of maleopimaric neopentyl glycol ester polyol

报道了缩合加氢法合成新戊二醇的工艺研究结果。

The results of manufacture of neopentyl glycol by condensation and hydrogenation were reported .

新戊二醇-季戊四醇二元系固-固相变贮热的研究

The study of neopentylglycol-pentaerythritol binary system for solid-solid phase change in thermal energy storage

三羟甲基乙烷、新戊二醇及其二元体系固&固相变贮热的动力学研究

Kinetic Study of Solid-solid Transition in Polyhydric Alcohol and the PG / NPG Binary System

新戊二醇/蒙脱土复合贮能材料的制备及性能研究

A Study on the Preparation and Performance of NPG / Montmorillonite Composite Materials for Energy Storage

新戊二醇/海泡石复合贮热材料的性能测定自蔓延高温合成新技术

Determinated Properties Neopentyl Glycol / sepiolite Composites for Heat Storage New technology for materials composition & Self-propagating high-temperature synthesis

新戊二醇副产甲酸钠回收利用工艺煮练脚水回收利用工艺实践

The Recycling Technology of Sodium Formate By-product of Neopentyl Glycol The Recovery and Reutilization of Caustic Soda Used in Scouring

二溴新戊二醇作为一种反应型阻燃剂，适用于制造不饱和聚酯树脂、含溴环氧树脂等。

Dibromo neopentyl glycol , useful as a reacting fire retardent , is suitable to make unsaturated polyester resin , bromine-containing epoxy resin , etc.

结果表明，甲醇的渗透率远大于新戊二醇和三羟甲基乙烷的渗透率。

The results showed that the permeability of methanol is far greater than the Neopentyl Glycol ( NPG ) and trimethylol ethane ( PG ) .

我国新戊二醇2002年的产能为2·3万t/a，2005年为5·7万t/a，增长了128%。

In 2002 the capacity of dimethyltrimethylene glycol in China was 23 kt / a , and in 2005 was 57 kt / a with an increase of 128 % .

利用新戊二醇和季戊四醇为原料，与DOPO经三步反应合成三种新型的带有羟基的阻燃剂，在分子引入更多的碳源和酸源，最高磷含量达13.8%。

Third , used neopentyl glycol and pentaerythritol as the raw materials , three new flame retardants have been synthesized through three steps , the largest phosphorus content is 13.8 % .

结果表明，用新戊二醇在[Hmim]BF4中保护羰基化合物，试剂与底物等摩尔反应，除一些有位阻的酮外，大多数醛、酮得到几乎定量的转化率，几乎无副反物生成。

Using neopentyl glycol as protecting reagents , the results showed that most of the aldehydes or ketones gave almost quantitative conversions in [ Hmim ] BF4 except for the ketones with big steric hindrance .