抗氧剂2246是一种用途极广的通用型强力受阻酚-醛类抗氧剂,对制品无污染、无毒、不着色,能有效防护热、氧及龟裂老化。
应用抗氧剂2246是高效非污染性抗氧剂,广泛用于合成树脂、合成橡胶和天然橡胶中。它具有优良的抗热氧老化性能,不会使制品变色或喷霜。
合成方法该抗氧剂采用盐酸为催化剂,正庚烷作为惰性有机溶剂,在60℃以下条件下,通过2-叔丁基-4-甲基苯酚与甲醛反应获得。具体反应方程式如下:
[ 2\text{-叔丁基}-4\text{-甲基苯酚} + \text{甲醛} \rightarrow \text{抗氧剂2246} ]
毒性大白鼠经口LD50值为6.5g/kg体重。美国、德国、英国、意大利和日本等国家已许可其用于食品包装材料,其中日本的最高允许用量分别为:聚乙烯和聚丙烯0.1%,聚苯乙烯0.4%,AS树脂0.6%,ABS树脂2%及聚氯乙烯2%。美国食品和药物管理局规定,当用于聚烯烃时,抗氧剂2246的用量不得超过0.1%,且制品不得接触含有油脂的食品。
化学性质纯品为白色粉末,长期暴露于空气中会略有黄粉红色,并带有酚臭味。易溶于苯、丙酮等有机溶剂,而不溶于水,在橡胶中的溶解度高于2%。
用途抗氧剂2246是通用型酚类防老剂,广泛用于天然橡胶、合成橡胶、乳胶及其他多种合成材料和石油制品中作抗氧剂。一般用量为0.10-1.5%,适用于ABS树脂、AS树脂等多种塑料。抗氧剂2246系通用型强力双酚类抗氧剂,广泛应用于天然橡胶、各种合成橡胶、聚乙烯、聚丙烯、聚甲醛、ABS树脂、氯化聚醚及聚氨酯等多种合成材料中。该产品具有高抗热稳定性、良好的抗氧效果、无污染、不着色、不喷霜、油溶性好、不易挥发损失、对橡胶的硫化和可塑性无影响、对胶乳无不稳定的作用以及用量少等特点。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2,6-双[[3-(叔丁基)-2-羟基-5-甲苯基]甲基]-4-甲基苯酚 | 2,6-bis[[3-(1,1-dimethylethyl)-2-hydroxy-5-methylphenyl]methyl]-4-methyl-phenol | 90-68-6 | C31H40O3 | 460.657 |
2,2'-亚甲基双(4-乙基-6-叔丁基苯酚) | 2,2'-methylenebis(4-ethyl-6-tert-butylphenol) | 88-24-4 | C25H36O2 | 368.56 |
2,2-亚甲基 双(4,6-二叔丁基苯酚) | 2,2'-methylenebis(4,6-di-tert-butylphenol) | 14362-12-0 | C29H44O2 | 424.667 |
2,2′-亚乙基双(4,6-二叔丁基酚) | 2,2-ethylidenebis(4,6-tert-butylphenol) | 35958-30-6 | C30H46O2 | 438.694 |
4,4-亚甲基双(2-叔丁基-6-甲基苯酚) | bis(3-tert-butyl-4-hydroxy-5-methylphenyl)methane | 96-65-1 | C23H32O2 | 340.506 |
—— | 6-tert-butyl-2-(2'-methoxy-3'-tert-butyl-5'-methylbenzyl)-4-methylphenol | 27996-19-6 | C24H34O2 | 354.533 |
抗氧剂 702 | 4,4'-Methylenebis(2,6-di-tert-butylphenol) | 118-82-1 | C29H44O2 | 424.667 |
2,2'-甲亚基双(6-环己基-4-甲基酚) | 2,2'-methylenebis(4-methyl-6-cyclohexylphenol) | 4066-02-8 | C27H36O2 | 392.582 |
2,2'-亚甲基双(4-甲基-6-壬基)苯酚 | 2,2'-methylene-bis-(6-nonyl-4-methylphenol) | 7786-17-6 | C33H52O2 | 480.775 |
2,6-二叔丁基-4-甲基苯酚 | 2,6-di-tert-butyl-4-methyl-phenol | 128-37-0 | C15H24O | 220.355 |
叔-丁基对甲酚 | 2-t-Butyl-4-methylphenol | 2409-55-4 | C11H16O | 164.247 |
2,4-二叔丁基苯酚 | 2,4-di-tert-Butylphenol | 96-76-4 | C14H22O | 206.328 |
—— | 2-(tert-butyl)-6-(methoxymethyl)-4-methylphenol | 4103-77-9 | C13H20O2 | 208.301 |
4,4'-亚丁基双(6-叔丁基-3-甲基苯酚) | 4,4'-butylidenebis(6-tert-butyl-m-cresol) | 85-60-9 | C26H38O2 | 382.587 |
2,6-二叔丁基-4-甲氧基苯酚 | 2,6-Di-t-butyl-4-methoxyphenol | 489-01-0 | C15H24O2 | 236.354 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2,2'-dihydroxy-3-tert-butyl-5,5'-dimethyldiphenylmethane | 81910-71-6 | C19H24O2 | 284.398 |
—— | 5,5'-methylenebis(3-tert-butyl-4-hydroxybenzaldehyde) | 1574215-15-8 | C23H28O4 | 368.473 |
—— | 6-tert-butyl-2-(2'-methoxy-3'-tert-butyl-5'-methylbenzyl)-4-methylphenol | 27996-19-6 | C24H34O2 | 354.533 |
—— | Bis(3-tert-butyl-2-hydroxy-5-methylphenyl)methanone | 294881-66-6 | C23H30O3 | 354.489 |
1,3,5-三甲基-2,4,6-三(3,5-二叔丁基-4-羟基苄基)苯 | 1,3,5-trimethyl-2,4,6-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)benzene | 1709-70-2 | C54H78O3 | 775.212 |
—— | 4,8-bis(1,1-dimethylethyl)-2,10-dimethyl-6-phenoxy-12H-dibenzo |
34573-99-4 | C29H35O3P | 462.569 |
2,4-二甲基-6-叔丁基苯酚 | 2,4-dimethyl-6-tert-butylphenol | 1879-09-0 | C12H18O | 178.274 |
—— | (2,2'-methylenebis(4-methyl-6-t-butylphenoxy))phosphinochloride | —— | C23H31Cl2O2P | 441.378 |
2,6-二叔丁基-4-甲基苯酚 | 2,6-di-tert-butyl-4-methyl-phenol | 128-37-0 | C15H24O | 220.355 |
抗氧剂 3052 | 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) monoacrylate | 61167-58-6 | C26H34O3 | 394.554 |
2,2'-亚甲基-双-(4-甲基苯酚) | 2,2'-methylenebis(4-methylphenol) | 3236-63-3 | C15H16O2 | 228.291 |
—— | 4,8-di-tert-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaphosphocine 6-oxide | 15233-97-3 | C23H31O3P | 386.471 |
—— | 2,2'-methylenebis(6-tert-butyl-4-methyl-o-phenylene) phosphorochloridite | 106054-14-2 | C23H30ClO2P | 404.917 |
—— | methylenebis(6-tert-butyl-4-methylphenoxy-2-yl) dichlorotitanium(IV) | 118538-56-0 | C23H30Cl2O2Ti | 457.276 |
叔-丁基对甲酚 | 2-t-Butyl-4-methylphenol | 2409-55-4 | C11H16O | 164.247 |
2-甲基丙烯酸 2-叔-丁基-6-[(3-叔-丁基-2-羟基-5-甲基苯基)甲基]-4-甲基苯基酯 | 2-t-butyl-6-[1-(3-t-butyl-2-hydroxy-5-methylphenyl)ethyl]-4-methylphenyl acrylate | 61167-60-0 | C27H36O3 | 408.581 |
—— | 6H-2-hydroxy-2-oxy-di(2-tert-butyl-4-methylbenzo) |
94055-05-7 | C23H31O4P | 402.471 |
—— | 2,2'-methylenebis(6-tert-butyl-4-methylphenol) monobenzoate | 71840-28-3 | C30H36O3 | 444.614 |
—— | (4,8-di-tert-butyl-2,10-dimethyl-12H-5,7-dioxa-6-phosphadibenzo[a,d]cycloocten-6-yl)dimethylamine | —— | C25H36NO2P | 413.54 |
4,8-二-叔-丁基-N,N-二乙基-2,10-二甲基-12H-二苯并[d,g][1,3,2]二噁磷杂辛英-6-胺 | 2-diethylamido-4,5;7,8-dibenzo-9,9'-di-tert-butyl-11,11'-dimethyl-1,3,2-dioxaphosphocine | 114906-38-6 | C27H40NO2P | 441.594 |
—— | 4,8-Di-tert-butyl-6-chloro-2,10-dimethyl-12H-5,7-dioxa-6-phospha-dibenzo[a,d]cyclooctene 6-oxide | 205193-25-5 | C23H30ClO3P | 420.916 |
—— | methylene bis(4-methyl-6-tert-butylphenyl)phenylphosphonite | 110107-24-9 | C29H35O2P | 446.569 |