Awọn polima jẹ nigbagbogbo ni ipo anoxic labẹ awọn ipo iṣelọpọ extrusion, ati pe eto naa ni nọmba nla ti awọn ipilẹṣẹ erogba kuku ju awọn ipilẹṣẹ alkoxy ati awọn ipilẹṣẹ hydroxyl.Nitorinaa, amuduro processing pipe yẹ ki o ni anfani lati mu awọn ipilẹṣẹ ọfẹ erogba ni imunadoko.Awọn antioxidant hydroxylamine ti a mẹnuba loke jẹ iru oluranlowo idẹkùn radical carbon.
Awọn aṣoju idẹkùn radical free carbon akọkọ ni ọja jẹ hydroxylamine, bisphenol mono-acrylate, ortho acrylyl aropo phenol ati benzofuranone ọpọlọpọ awọn ẹka.
Bisphenol monoacrylate antioxidants:
Ni bisphenol monoacrylate molecules, erogba radical ti wa ni sile nipasẹ awọn acryly ẹgbẹ, ati awọn enol radicals ti ipilẹṣẹ le wa ni iyipada sinu idurosinsin phenolic atẹgun radicals nipasẹ awọn hydroxyl iṣẹ-ṣiṣe ẹgbẹ ni kanna moleku.Ipa yii ni a mọ bi ẹrọ imuduro bifunctional.Eyi n fun bisphenol monoacrylate ni agbara itọpa ipanu ọfẹ ti o lagbara pupọ.Iduroṣinṣin rẹ lagbara paapaa ni awọn iwọn otutu giga.Awọn ile-iṣẹ ni Japan ati Yuroopu ti ṣe ifilọlẹ iru awọn ọja.Ni lọwọlọwọ, Sumilizer GM nipasẹ Sumitomo Kemikali, IRGANOX 3052 nipasẹ BASF, ati AO3352/AO3353 ni a lo ni akọkọ ni ọja naa.
| Ọja | AO3352 | AO3353 |
| NỌMBA CAS | 61167-58-6 | 123968-25-2 |
| Irisi | ILU FUNFUN | POWDER KRYSTAL FUNFUN |
| ASAY(%) | 99.00 iṣẹju | 99.00 iṣẹju |
| OKAN YO(℃) | 130.00 MI | 115.00 MI |
| FOLATILES(%) | 0.30 Max | 0.50 Max |
| ASH(%) | 0.10 Max | 0.10 Max |
| ÌWÉ | Ti a lo jakejado ni PP, PE ati awọn miiran polyolefin, ABS, HIPS, EPDM, SBR ati awọn elastomers miiran. | Ti a lo ni awọn adhesives, styrene thermoplastic elastomers, ABS, polystyrene ati roba ti a ṣe atunṣe polyphenylethylene ati awọn aaye miiran.O le mu awọn ipilẹṣẹ alkyl ni imunadoko, ati ṣe ipa amuṣiṣẹpọ pẹlu awọn olumuti benzotriazole UV ati awọn amuduro ina HALS.Ninu elastomer alemora, o ni ipa amuṣiṣẹpọ to dara pẹlu awọn antioxidants phenolic ati awọn antioxidants ester phosphite. |