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1)  ester polyol
酯多元醇
1.
Preparation and properties of maleopimaric neopentyl glycol ester polyol;
马来海松酸新戊二醇酯多元醇的制备及性能
2)  polyol ester
多元醇酯
1.
Because of its good lubricity , the polyol ester is ideal lubricating additive for low sulfur diesel fuel.
对醇、醚、胺、酰胺、羧酸和酯等低硫柴油润滑添加剂进行了综述,认为多元醇酯具有良好的润滑性,是低硫柴油理想的润滑添加剂。
2.
It is introduced the anti-wear and extreme pressure properties of additive MT-10,the evaluating results by ball-on-cylinder test,gear oil scuff test and four-ball extreme pressure test show the anti-wear and extreme pressure properties of this additive are superior to those of polytetrafluorethylene(PTFE),dialkyldithiophosphate(ZDDP),tricresyl phosphate(TCP)and some packages in polyol ester.
介绍了MT-10添加剂的极压抗磨性能,球柱型磨损试验、齿轮油擦伤试验和四球极压性能试验结果均表明,该添加剂在多元醇酯中的抗磨极压性能优于聚四氟乙烯(PTFE)、二烷基二硫代磷酸锌(ZDDP)、磷酸三甲酚酯(TCP)和多种复合添加剂。
3.
Since polyol ester is compatible with the flurine-free refrigerant, and therefore it is the best choice of lubricants. The demands of its versatile performances as well as the major problems in application are discussed. Miscibility, lubricity, thermal stability, chemical stability and low temperature performance are main quality indexes for lubricant evaluation
分析了与无氟冷冻剂相匹配的最佳首选润滑剂多元醇酯的各种性能要求以及存在问题。
3)  Polyester [英][,pɔli'estə(r)]  [美]['pɑlɪ'ɛstɚ]
聚酯多元醇
1.
Different Polyesters, Di -isocyanate, EG and BG were used in this experiment to synthesize PU resin by solution polymerization.
实验是以多种聚酯多元醇(PE)、4,4-二苯基甲烷二异氰酸酯(MDI)、乙二醇(EG)1,4-丁二醇(BG)等原料合成湿式聚氨酯树脂,考察了PE、EG、BG对树脂凝固时间、成肌性、凝聚界的影响。
2.
A series of casting polyurethane elastomers(PUE) were synthesized by using polyester polyols(PBA,PEA,PEPA,PCL),4,4'-diphenylmethane diisocyanate(MDI),and chain extender mixture of 1,4-butanediol(BDO) with trimethylolpropane(TMP).
用聚酯多元醇(PBA、PEA、PEPA、PCL)、4,4'-二苯基甲烷二异氰酸酯(MDI)和混合扩链剂等原料合成了浇注型聚氨酯弹性体(PUE)。
3.
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。
4)  polyester polyol
聚酯多元醇
1.
Synthesis of polyester polyol of sebacic acid series;
癸二酸系聚酯多元醇的合成
2.
Study on catalyst used to synthesis of polyester polyol;
酯多元醇合成中催化剂的应用研究
5)  polyester polyols
聚酯多元醇
1.
Acrylpimaric acid polyester polyols were synthesized through condensation reaction between acrylpimaric acid and different diols.
以丙烯海松酸为二元酸,与不同的二元醇进行缩聚反应制备丙烯海松酸聚酯多元醇
6)  polyetherester polyols
聚醚酯多元醇
1.
The polyurethane elastomers made using mentioned above polyetherester polyols exhibit excellent comprehensive performances.
采用双金属络合催化剂(DMC),以脂肪族己二酸系聚酯多元醇为起始剂,与环氧丙烷、环氧乙烷进行烷氧基化反应,制得聚醚酯多元醇用于聚氨酯弹性体(PUE)的合成,可得到综合性能优良的PUE材料。
2.
The microcellular elastomers made using mentioned above polyetherester polyols exhibit excellent comprehensive performances.
采用双金属氰化物络合催化剂(DMC),以脂肪族己二酸系聚酯多元醇为起始剂,与环氧丙烷(PO)、环氧乙烷(EO)进行烷氧基化反应,制得聚醚酯多元醇用于微孔聚氨酯弹性体(MPUE)的合成,可得到综合性能优良的MPUE材料。
补充资料:白桦酯醇
分子式:
CAS号:

性质:又称桦木脑,白桦酯醇。属无环三萜类化合物。结晶,熔点248~251℃(甲醇-氯仿)。白色结晶(苯-乙酸乙酯)。熔点238℃。旋光度[α]D15+20°(c=2,吡啶)。240℃(1.33Pa)升华。含1mol乙醇的溶剂化物为针状结晶,干燥后,170~180℃(10.67Pa)升华。溶于乙醇、乙醚、氯仿和苯,微溶于冷水、石油醚等。来源于菊科植物云木香(Salgssurea lappa Clarke)的根,桦木科植物桦北白桦[Be-tula platyphylla Suk. var. japonica(Sieb.)Hara]的树皮等。动物实验显示有边缘抗肿瘤活性。用于有机化学研究。

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