聚合之选:溶剂环境与单体选择决胜材料性能

时间: 2025-12-11
作者: 百灵威
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聚合之选:溶剂环境与单体选择决胜材料性能-百灵威

高分子合成的艺术,始于单体与溶剂的精准匹配。溶剂绝非惰性介质,而是反应进程的导演。四氢呋喃(THF) 作为极性非质子溶剂的代表,其卓越的溶解能力和稳定阴离子活性种的能力,使之成为离子聚合和格氏反应的“标准舞台”。而 N,N-二甲基甲酰胺(DMF) 凭借其强极性,是聚氨酯、聚酰亚胺合成以及GPC测试的首选溶剂。

单体的选择直接决定了聚合物主链的基因。在聚氨酯领域,4,4‘-亚甲基双(苯基异氰酸酯)(MDI) 赋予材料刚性,甲苯-2,4-二异氰酸酯(TDI) 则带来柔韧性,二者的选择决定了泡沫的软硬。1,4-丁二醇 作为扩链剂,精细调节着链段长度与性能。

对于聚酰胺,己二酸 与 1,6-己二胺 结合诞生了尼龙66;而 对苯二甲酸 与 乙二醇 则聚合成涤纶。高性能的追求导向 4,4‘-二氨基二苯醚 与 均苯四甲酸二酐,它们聚合形成耐高温的聚酰亚胺。

烯烃类单体如 苯乙烯、丙烯酸丁酯、甲基丙烯酸,通过共聚比例的变化,可以设计出从硬质塑料到柔软乳液的无限可能。而 ε-己内酯 这类环状单体的开环聚合,则指向了可生物降解材料的绿色未来。

百灵威提供从大宗原料到高纯特种单体的全线产品,并确保关键溶剂的无水级品质,为您从分子设计到材料成型的每一步提供可靠基石。

产品列表
单体
胺类和苯乙烯类单体
品名 CAS 货号
4,4'-Oxydianiline, 98%
4,4’-二氨基二苯醚
101-80-4 227156
4,4'-Oxydianiline, 98%, reagent grade
4,4’-二氨基二苯醚
101-80-4 217958
4,4'-Oxydianiline, 98%, reference material
4,4’-二氨基二苯醚
101-80-4 972124
Styrene, 99.5%, stabilized with HQ
苯乙烯
100-42-5 510668
危化品
醇类和丙烯酸类单体
品名 CAS 货号
Bisphenol A, 99%, reagent grade
双酚A
80-05-7 911276
Bisphenol A, 96%
双酚A
80-05-7 150196
Bisphenol A, 99.5%, reference material
双酚A
80-05-7 930837
1,4-Butanediol, 99%, water ≤500 ppm
1,4-丁二醇
110-63-4 559309
1,4-Butanediol, 99%
1,4-丁二醇
110-63-4 168646
1,4-Butanediol, 99%, reference material
1,4-丁二醇
110-63-4 989831
1,4-Butanediol, 99.5%, Standard for GC
1,4-丁二醇
110-63-4 908803
Ethylene glycol, 99.5%, AR
乙二醇
107-21-1 991307
Ethylene glycol, 99%, extra pure
乙二醇
107-21-1 114634
Ethylene glycol, 99.5%, SuperDry, Water≤50 ppm, J&KSeal
乙二醇
107-21-1 916984
Acrylic acid, 98%, stabilized with 300 ppm MEHQ
丙烯酸
79-10-7 369936
危化品
3-(Trimethoxysilyl)propyl methacrylate, 98%
3-(三甲氧基甲硅基)甲基丙烯酸丙酯
2530-85-0 175528
Methacryloyl chloride, 98%
甲基丙烯酰氯
920-46-7 327509
Methacrylic acid, 99%, stabilized with 250 ppm MEHQ
甲基丙烯酸
79-41-4 280873
Butyl acrylate, 99.5%, stabilized with MEHQ
丙烯酸丁酯
141-32-2 101097
危化品
内酯类、二酰氯单体和环氧化物单体
品名 CAS 货号
ε-Caprolactone monomer, 99%
ε-己内酯
502-44-3 442127
1,3,5-Benzenetricarbonyl trichloride, 99%
1,3,5-苯三甲酰氯
4422-95-1 452019
Propylene oxide, 99.5%
环氧丙烷
75-56-9 155975
危化品
Epichlorohydrin, 99.85%
环氧氯丙烷
106-89-8 990631
危化品
羧酸类和酸酐类单体
品名 CAS 货号
Adipic acid, 99%
己二酸
124-04-9 228657
Adipic acid, 99%, for synthesis
己二酸
124-04-9 339736
Adipic acid, 99%, reference material
己二酸
124-04-9 993575
Terephthalic acid, 99%
对苯二甲酸
100-21-0 333492
Terephthalic acid, 99%, reference material
对苯二甲酸
100-21-0 983263
Sebacic acid, 98%
癸二酸
111-20-6 398480
Propiolic acid, 94%, for synthesis
丙炔酸
471-25-0 938108
危化品
Succinic anhydride, 99%
丁二酸酐
108-30-5 185369
Pyromellitic dianhydride, 99.5%
均苯四甲酸二酐
89-32-7 317760
危化品
酰胺类、异氰酸酯和乙烯类单体
品名 CAS 货号
4,4'-Methylenebis(phenyl isocyanate), 97%, reference material
4,4'-亚甲基双(苯基异氰酸酯)
101-68-8 934771
危化品
Tolylene-2,4-diisocyanate, 98%, reference material
甲苯-2,4-二异氰酸酯
584-84-9 901807
危化品
1,6-Hexanediamine, 99.5%
1,6-己二胺
124-09-4 901510
1,6-Hexanediamine, 99.5%, reference material
1,6-己二胺
124-09-4 944845
危化品
Terephthaloyl chloride, 99.5%, for synthesis
对苯二甲酰氯
100-20-9 996343
危化品
1,6-Diisocyanatohexane, 99%
1,6-己二异氰酸酯
822-06-0 300633
危化品
Isophorone diisocyanate, 99%, mixture of isomers
异佛尔酮二异氰酸酯
4098-71-9 231166
危化品
Dicyclopentadiene, 95%
双环戊二烯
77-73-6 445745
危化品
N-Isopropylacrylamide, 98%
N-异丙基丙烯酰胺
2210-25-5 971655
溶剂
品名 CAS 货号
Tetrahydrofuran, 99.5%, SuperDry, with molecular sieves, stabilized with 250 ppm BHT, Water≤50 ppm, J&KSeal
四氢呋喃
109-99-9 974643
危化品
Tetrahydrofuran, 99.9%, SuperDry, stabilized with 250 ppm BHT, Water≤50 ppm, J&KSeal
四氢呋喃
109-99-9 315353
危化品
Tetrahydrofuran, 99.9%, SuperDry, stabilizer free, Water≤50 ppm, J&KSeal
四氢呋喃
109-99-9 902032
危化品
Tetrahydrofuran, 99.9%, SuperDry, stabilizer free, J&Kseal, with molecular sieves
四氢呋喃
109-99-9 989922
危化品
N,N-Dimethylformamide, 99.8%, SuperDry, Water≤50 ppm, J&KSeal
N,N-二甲基甲酰胺
68-12-2 966438
危化品
N,N-Dimethylformamide, 99.8%, SuperDry, J&Kseal, water:≤30 ppm, with molecular sieves
N,N-二甲基甲酰胺
68-12-2 912918
危化品
N,N-Dimethylformamide, 99.8%, SuperDry, with molecular sieves, Water≤50 ppm, J&KSeal
N,N-二甲基甲酰胺
68-12-2 983353
危化品
Triethylamine, 99%, SuperDry, with molecular sieves, Water≤50 ppm, J&Kseal
三乙胺
121-44-8 919695
危化品
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聚(苯乙烯-b-甲基丙烯酸酯)
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/ P5865-Cl
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端氨基聚苯乙烯
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聚4-乙烯吡啶苯乙烯嵌段共聚物
/ P1644-4VPS4VP
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聚(4-甲基苯乙烯)
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聚(1,2-丁二烯)-b-聚(环氧乙烷)
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疏水性聚合物聚苯乙烯系列(对于油聚合物和功能性聚合物,请参见8:10&C:2)聚苯乙烯无规立构(PDI <1.2)
9003-53-6 P40067-S
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聚苯乙烯
9003-53-6 P41448-S
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聚(1,2-丁二烯)-b-聚环氧乙烷
/ P43875-BdEO
Poly(ethylene oxide)-b-poly(dimethylsiloxane)-b-poly(ethylene oxide)
聚(环氧乙烷)-b-聚(二甲基硅氧烷)-b-聚(环氧乙烷)
/ P42749C-EODMSEO
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