1) phthalic anhydride polyester polyalcohol
苯酐聚酯多元醇
1.
Four series of polyurethane foams were prepared from main polyether mixed with low hydroxyl value polyether alcohol,middle hydroxyl value polyether alcohol,phthalic anhydride polyester polyalcohol and polymer polyalcohol respectively.
将中等羟值聚醚多元醇、低羟值聚醚多元醇、聚合物多元醇和苯酐聚酯多元醇分别与基础聚醚多元醇复配,制备了全水发泡硬质聚氨酯泡沫塑料,研究了4种不同组合多元醇对制品力学性能的影响,发现低羟值多元醇的加入使泡孔直径明显减小;过低羟值的TMN3050的加入对力学性能的提高不利;TMN700使泡沫体的压缩强度略为增加,冲击强度大幅提高,弯曲强度略为下降;聚合物多元醇TPOP36/28在低添加量下,制得硬泡泡孔直径明显减小,压缩强度和冲击强度大幅增加,弯曲强度降低;苯酐聚酯多元醇PS400A,使泡孔直径减小,制得硬泡的密度和力学性能大幅降低。
2) phenyl anhydride polyester polyol
苯酐聚酯二元醇
1.
The waterborne polyurethane(WPU) resin was synthesized with phenyl anhydride polyester polyol as main raw material,and the influence of chain extender and molar ratio between-NCO and-OH were dis-cussed on WPU film performance.
以苯酐聚酯二元醇(APP)为主要原料合成了水性聚氨酯(WPU)树脂,探讨了n(-NCO)/n(-OH)比值及扩链剂等对WPU成膜性能的影响。
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;
聚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) DEDB
多元醇苯甲酸酯
补充资料：苯酐
分子式C8H4O3，分子量148.11。俗称苯酐，白色针状晶体。熔点130.5℃，沸点284.5℃。密度1.527g/cm3，易升华。稍溶于冷水，溶于热水并水解成邻苯二甲酸。溶于乙醇。苯和吡啶，微溶于乙醚。是重要的化工原料，用于制染料、聚酯树脂、醇酸树脂、增塑剂、涤纶和药物等；邻苯二甲酸酐与苯酚缩合生成酚酞，是常用的酸碱指示剂。可由邻二甲苯在五氧化二钒存在下于480℃时氧化，或将萘用酸性重铬酸盐氧化制得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条