1) copolyether
[,kəupɔli'i:θə]
共聚多醚
2) polyester-polyol poly-segment copolymer
聚酯-聚醚多嵌段共聚物
3) polyester polyether multiblock copolymer
聚酯聚醚多嵌段共聚物
1.
The composition and sequence distribution of monomeric units in polyester polyether multiblock copolymer were studied by pyrolysis? gas chromatography (PGC) and pyrolysis gas chromatography/mass spectrometry (PGC/MS).
用裂解气相色谱法和裂解气相色谱 /质谱法研究聚酯聚醚多嵌段共聚物的微观结构 。
4) polyether
[英][,pɔli'i:θə] [美]['pɑli,iθɚ]
聚醚;多醚
5) copolyether
[,kəupɔli'i:θə]
共聚醚
1.
Synthesis and characterization of hydroxy terminated TEO copolyether with narrow molecular weight distribution;
窄分子量分布端羟基环氧乙烷-四氢呋喃共聚醚的合成及表征
2.
Using boron-trifluoride ethylether complex(BF3·OEt2) as catalyst, ethylene glycol (EG) as initiator and CH2Cl2 as solvent, a new type of hydroxyl-terminated copolyether [P(CHO-THE)] was synthesized from epoxy cyclohexane(CHO) and tetrahydrofuran(THF) by cationic ring-opening co-polymerization.
用三氟化硼乙醚(BF3·OEt2)为催化剂,乙二醇(EG)为起始剂,二氯甲烷作溶剂,用阳离子开环聚合方法制备了新型端羟基环氧环己烷-四氢呋喃(CHO-THF)共聚醚,讨论了催化剂用量、原料配比和EG用量对共聚的影响,合成共聚醚的最佳工艺条件为n(THF):n(CHO)=1:2,BF3·OEt2用量1。
3.
hydroxy-terminated copolyether of cyclohexene oxide(CHO) and epichlorohydrin(ECH) was synthesized with boron-trifuoride ethylether complex(BF_3·OEt_2) as catalyst,ethylene glycol as initiator and CH_2Cl_2 as solvent.
OE t2)作催化剂,乙二醇(EG)作起始剂,二氯甲烷(CH2C l2)作溶剂,制备了端羟基环氧环己烷-环氧氯丙烷(CHO-ECH)共聚醚,讨论了原料摩尔配比、聚合温度和聚合时间对共聚结果的影响,并采用IR和1H-NM R对共聚醚进行了结构表征。
6) copoly(heterocycl substituted arylketone)
共聚醚酮
1.
A series of novel copoly(heterocycl substituted arylketone) were successfully synthesized from hydroquinone, bis(4fluorophenyl) ketone and 4(4hydroxyphenyl) 2,3phthalazin1one with anhydrous potassium carbonate as catalyst.
应用自制的新型类双酚单体４－（４－羟基苯基）－２，３－二氮杂萘酮（ＤＨＰＺ）与对苯二酚（ＨＱ）成功地合成了新型共聚醚酮树脂ＣＯＰＰＥＫ／ＨＱ，对所得聚合物进行了性能表征，实验结果表明，此类聚合物较已经合成的新型杂环取代联苯型聚醚酮ＰＰＥＫ具有溶解性好，易于加工等特点，且耐温等级较高。
补充资料：聚硅氧烷-多烷氧基醚共聚物
聚硅氧烷-多烷氧基醚共聚物又称发泡灵、水溶性硅油，是先由氯硅烷进行水解生成聚硅氧烷，再与聚醚缩合而成。黄色或棕黄色油状粘稠透明液体。相对密度(25℃／25℃)1．04～1．08，酸值＜0．2mgKOH／g。粘度(50℃)(1．5～5)×10-4m2／s。
用作聚氨酯的发泡稳定剂。参考用量1％。贮存于阴凉、通风的库房内，防潮、防火。
用作聚氨酯的发泡稳定剂。参考用量1％。贮存于阴凉、通风的库房内，防潮、防火。
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