Kayayyaki
Acrylonitrile don NBR
Acrylonitrile don NBR,
Acrylonitrile na NBR Nitrile, Acrylonitrile na Acrylonitrile Butadiene Rubber,
NBR (Nitrile), a kimiyyance, copolymer ne na butadiene da acrylonitrile.Abubuwan da ke cikin Acrylonitrile sun bambanta a cikin samfuran kasuwanci daga 18% zuwa 50%.Yayin da abun ciki na NBR ya karu, juriya ga mai tushe mai tushe da makamashin hydrocarbon yana ƙaruwa, amma ƙarancin zafin jiki yana raguwa.
Bayanin NBR
Saboda kyakkyawan juriya ga samfuran man fetur, da ikonsa don haɗawa don sabis akan kewayon zafin jiki na -35°C zuwa +120°C (-30°F zuwa +250°F), Nitrile/NBR shine ya fi yadu. amfani da elastomer a cikin masana'antar hatimi a yau.Hakanan ƙayyadaddun ƙayyadaddun roba na soja da yawa don man fetur da O-rings masu jure mai suna buƙatar mahaɗan tushen nitrile.
Ya kamata a ambata cewa don samun juriya mai kyau ga ƙananan zafin jiki, sau da yawa ya zama dole don sadaukar da wasu juriya mai zafi.Mahalli na Nitrile sun fi mafi yawan elastomers dangane da saitin matsawa, tsagewa, da juriya.Mahalli na nitrile ba su da kyakkyawar juriya ga ozone, hasken rana, ko yanayi.Kada a adana su kusa da injinan lantarki ko wasu kayan aikin samar da ozone.
Siffofin Samfur
| Sunan samfur | Acrylonitrile |
| Wani Suna | 2-Propenenitrile, Acrylonitrile |
| Tsarin kwayoyin halitta | Saukewa: C3H3N |
| CAS No | 107-13-1 |
| EINECS No | 203-466-5 |
| UN NO | 1093 |
| Hs Code | Farashin 292610000 |
| Nauyin kwayoyin halitta | 53.1 g/mol |
| Yawan yawa | 0.81 g/cm3 a 25 ℃ |
| Wurin tafasa | 77.3 ℃ |
| Wurin narkewa | -82 ℃ |
| Matsin tururi | 100 torr a 23 ℃ |
| Solubility Solubility a isopropanol, ethanol, ether, acetone, da kuma benzene Conversion factor | 1 ppm = 2.17 mg/m3 a 25 ℃ |
| Tsafta | 99.5% |
| Bayyanar | Ruwa mai haske mara launi |
| Aikace-aikace | Ana amfani dashi a cikin kera na polyacrylonitrile, roba nitrile, dyes, resins na roba. |
Takaddun Bincike
| Gwaji | Abu | Daidaitaccen Sakamakon |
| Bayyanar | Ruwa mai haske mara launi | |
| Launi APHA PT-Co :≤ | 5 | 5 |
| acidity (acetic acid) mg/kg ≤ | 20 | 5 |
| PH (5% maganin ruwa) | 6.0-8.0 | 6.8 |
| Darajar titration (5% maganin ruwa) ≤ | 2 | 0.1 |
| Ruwa | 0.2-0.45 | 0.37 |
| Aldehydes darajar (acetaldehyde) (mg/kg) ≤ | 30 | 1 |
| Darajar Cyanogens (HCN) ≤ | 5 | 2 |
| Peroxide (hydrogen peroxide) (mg/kg) ≤ | 0.2 | 0.16 |
| Fe (mg/kg) ≤ | 0.1 | 0.02 |
| Ku (mg/kg) ≤ | 0.1 | 0.01 |
| Acrolein (mg/kg) ≤ | 10 | 2 |
| Acetone na iya haifar da raguwa a cikin jini | 80 | 8 |
| Acetonitrile (mg/kg) ≤ | 150 | 5 |
| Propionitrile (mg/kg) ≤ | 100 | 2 |
| Oxazole (mg/kg) ≤ | 200 | 7 |
| Methylacrylonitrile (mg/kg) ≤ | 300 | 62 |
| Abun ciki na Acrylonitrile (mg/kg) ≥ | 99.5 | 99.7 |
| Kewayon tafasa (a 0.10133MPa) ℃ | 74.5-79.0 | 75.8-77.1 |
| Polymerization inhibitor (mg/kg) | 35-45 | 38 |
| Kammalawa | Sakamakon ya dace da tsayawar kasuwanci | |
Kunshin da Bayarwa
Aikace-aikacen samfur
Ana samar da Acrylonitrile ta kasuwanci ta hanyar propylene ammoxidation, wanda propylene, ammonia, da iska ke amsawa ta hanyar mai kara kuzari a cikin gado mai ruwa.Ana amfani da Acrylonitrile da farko azaman co-monomer wajen samar da filaye na acrylic da modacrylic.Abubuwan da ake amfani da su sun haɗa da samar da robobi, rufin sama, nitrile elastomers, resins na shinge, da adhesives.Hakanan tsaka-tsakin sinadarai ne a cikin haɗakar antioxidants daban-daban, magunguna, rini, da aiki mai aiki.
1. Acrylonitrile sanya daga polyacrylonitrile fiber, wato acrylic fiber.
2. Acrylonitrile da butadiene za a iya copolymerized don samar da nitrile roba.
3. Acrylonitrile, butadiene, styrene copolymerized don shirya guduro ABS.
4. Acrylonitrile hydrolysis na iya samar da acrylamide, acrylic acid da esters.
