Antioxidant H CAS 74-31-7 Antioxidant DPPD
Sunan Ingilishi:N, N-diphenyl-p-phenylenediamine
Gajartawar Ingilishi:DPPD
CAS RN:74-31-7
1. Jiki da sinadarai:
1.1 Tsarin kwayoyin halitta: C18H16N2
1.2 Nauyin Kwayoyin: 260.34
1.3 Musamman nauyi: 1.2
1.4 Solubility: Narke a cikin benzene, ether da acetone. Narke dan kadan a cikin ethanol. Mara narkewa a cikin ruwa.
1.5 Tushen tafasa: 220-225 ℃, 0.5mmHg
1.6 Kwanciyar hankali da reactivity: Flammable. Lokacin da aka fallasa shi ga iska ko hasken rana, samfurin zai zama oxidized kuma ya canza launinsa. Lokacin da aka tuntube shi da acid dilute hydrochloric acid, ya zama kore.
1.7 Kayayyakin: Rashin iskar shaka na latex da mahadi na roba ya dogara da nau'in polymer da ke ciki. Matsalolin sun haɗa da sauye-sauyen launi mara kyau, asarar sassauƙa, asarar ƙarfin ƙarfi da rage juriya mai tasiri, tsufa, tsagewa da sauran lalacewa ta sama. Roba antioxidants samar da m aiki da kariya a aikace-aikace kamar roba da kuma robobi, kare polymers daga oxidative lalata saboda zafi, haske, gas Fading, peroxides, karfi, da kuma sauran tsauri dalilai. DPPD antioxidant H yana ba da ingantaccen kwanciyar hankali na thermal na dogon lokaci da kwanciyar hankali na launi; yana da tasiri a cikin fina-finai, fiber, da labaran giciye mai kauri; kuma yana aiki da kyau a cikin tsarin da aka cika.
| Abu | Fihirisa | ||
| Mai ladabi | Darasi na 1 | Darasi na 2 | |
| Wurin narkewa na farko, ℃ | ≥ 140.0 | ≥ 135.0 | ≥ 125.0 |
| Abun ash, % (m/m) | ≤0.40 | ≤0.40 | ≤0.40 |
| Ragewa ta hanyar dumama, %(m/m) | ≤0.40 | ≤0.40 | ≤0.40 |
| Rarara ta hanyar sieving ( raga 100), % (m/m) | ≤1.0 | ≤1.0 | ≤1.0 |
| Bayyanar | Grey ko launin ruwan kasa foda | ||
Ana iya amfani da Antioxidant H/DPPD azaman antioxidant a cikin ingantaccen mai haɓaka don haɓaka kwanciyar hankali na samfurin. An yi amfani da shi ga waɗanda na halitta, styrene-butadiene, acrylonitrile-butadiene, butadiene, butyl, hydroxyl, polyisoprene roba don mallaka yi aiki kamar mai kyau lankwasa rayuwa da crazing don inganta tensile modulus, ƙarfafa aikin karewa zuwa zafi-oxygen, ozone. da wasu karafa masu cutarwa irin su tagulla, manganese wadanda ba su da tasiri kan vulcanization na wadancan robar. Yana iya warware matsalar tsufa data kasance a cikin zurfin-launi roba kayayyakin yayin da antioxidant H da ake amfani da tare da antioxidant D. Haka kuma, shi za a iya amfani da a matsayin zafi-oxygen stabilizer ga wadanda injiniya robobi kamar polyethylene, polypropylene, polyamide, polyformaldehyde to inganta yanayin jure yanayin su.
Amfani: 1) Antioxidant H/DPPD (N, N'-Diphenyl-p-phenylenediamine) ana amfani dashi azaman antioxidant da stabilizer don roba, mai da kayan abinci. Hakanan ana amfani dashi azaman mai hanawa polymerization da mai hana lalata tagulla. Matsakaicin sinadari ne don yin rini, magunguna, robobi, da ƙari.
2) Hakanan ana amfani da Antioxidant H / DPPD a cikin samar da polyolefins maras launi da kuma fina-finai na PVC da PVB.
3) Antioxidant H/DPPD ana amfani dashi sosai a cikin mafi yawan lattices na halitta da na roba da roba.
Shiryawa:Jakar saƙa mai liyi da jakar filastik, nauyin net ɗin 20 kg/jahu.
Ajiya: Ajiye a wuri mai sanyi, mai iska. Rayuwar shiryayye shine watanni 12 bayan kwanan watan mai ƙira. Har yanzu yana samuwa idan sakamakon gwaji ya cancanta bayan ranar ƙarewar
Umarnin aminci: Mai guba. Dole ne a yi amfani da safar hannu na roba, na'urar numfashi da kariya ta ido yayin aiki idan an sami taɓa fata, tuntuɓar idanu.
Sufuri:Ka guji ruwan sama, fallasa, yawan zafin jiki.
