Antioxidant H CAS 74-31-7 Antioxidant DPPD
Igoa Igilisi:N, N-diphenyl-p-phenylenediamine
fa'apu'upu'u fa'aperetania:DPPD
CAS RN:74-31-7
1. Mea fa'aletino ma kemisi:
1.1 Fuafuaga mole: C18H16N2
1.2 Molecular mamafa: 260.34
1.3 Kalave fa'apitoa: 1.2
1.4 Solubility: Fa'amuta ile benzene, eter ma acetone. Liu teisi ile ethanol. E le mafai ona solu ile vai.
1.5 Mea fa'apuna: 220-225℃, 0.5mmHg
1.6 Mausalī ma fa'agaioiga: Mu. A faʻaalia i le ea poʻo le susulu o le la, o le a faʻamaʻi le oloa ma suia lona lanu. A fa'afeso'ota'i ma vai vevela fa'afefeteina o le hydrochloric acid, e lanu meamata.
1.7 Meatotino: Ole fa'ama'iina ole latex ma pa'u e fa'alagolago ile ituaiga polymer e aofia ai. O fa'afitauli e aofia ai suiga leaga o lanu, leiloa o le fetuutuunai, leiloa o le malosi ma'a ma fa'aitiitia a'afiaga fa'aletonu, matua, ta'e ma isi fa'aleagaina o luga. O vailaʻau faʻamaʻi paʻu e maua ai le faʻatinoga taua ma le puipuiga i faʻaoga e pei o paʻu ma palasitika, puipuia polymers mai faʻamaʻi faʻamaʻi ona o le vevela, moli, gase vaivai, peroxides, shear, ma isi mea faʻamalosi. O le DPPD antioxidant H e maua ai le faʻamautuina o le vevela umi ma le lanu; e aoga i ata tifaga, fiber, ma mea mafiafia felavasai; ma fa'atino lelei i faiga fa'atumu.
| Aitema | Fa'asinomaga | ||
| Fa'amamaina | vasega 1 | vasega 2 | |
| Le mea muamua e liusuavai ai, ℃ | ≥140.0 | ≥135.0 | ≥125.0 |
| mea i totonu o le pefu, %(m/m) | ≤0.40 | ≤0.40 | ≤0.40 |
| Fa'aitiitia ile fa'avevela, %(m/m) | ≤0.40 | ≤0.40 | ≤0.40 |
| O totoe e ala i le sieving (100 mesh), % (m/m) | ≤1.0 | ≤1.0 | ≤1.0 |
| Fa'aaliga | Efuefu pe enaena pauta | ||
Antioxidant H / DPPD e mafai ona faʻaaogaina e avea ma antioxidant i le malosi malosi e faʻaleleia ai le mautu o le teuina o le oloa. Ua faʻaaogaina mo na natura, styrene-butadiene, acrylonitrile-butadiene, butadiene, butyl, hydroxyl, polyisoprene paʻu e maua ai le faʻatinoga e pei o le ola lelei ma le faʻafefe mo le faʻaleleia o le modulus tensile, faʻamalosia le galuega puipuia i le vevela-oxygen, osone. ma nisi u'amea leaga e pei o le kopa, manganese e leai se a'afiaga i le fa'asa'oina o na pa'u. E mafai ona foia faafitauli matua o loo i ai i le loloto-lanu pa'u oloa ae o le antioxidant H o loʻo faʻaaogaina faʻatasi ma antioxidant D. E le gata i lea, e mafai foi ona faʻaaogaina e avea o le vevela-oxygen stabilizer mo na palasitika inisinia e pei o le polyethylene, polypropylene, polyamide, polyformaldehyde i fa'aleleia a latou fa'atinoga o le tau.
Fa'aoga: 1) O le Antioxidant H/DPPD (N,N'-Diphenyl-p-phenylenediamine) o lo'o fa'aaogaina e fai ma antioxidant ma fa'amautu mo pa'u, suau'u suauu ma mea fafaga. E faʻaaogaina foʻi e avea o se iniseti polymerization ma se mea e faʻafefe ai le faʻaleagaina o le kopa. Ose vaila'au vavalo e fai ai vali, vaila'au, palasitika, ma mea fa'aopoopo fa'amama.
2) Antioxidant H / DPPD o loʻo faʻaaogaina foi i le gaosiga o polyolefins faʻamautuina le lanu faʻapea foʻi ma ata PVC ma PVB.
3) Antioxidant H / DPPD o loʻo faʻaaogaina lautele i le tele o lattices masani ma gaosia ma paʻu.
afifiina:O ato lalaga e laina ile taga palasitika, mamafa mama 20 kilokalama/pe.
Teuina: Teu i totonu o se nofoaga malulu, ea. E 12 masina talu ona mae'a le aso gaosi oloa. O lo'o avanoa pea pe afai e agava'a le fa'ai'uga toe su'ega pe a mae'a aso
Fa'atonuga mo le saogalemu: Oona. Totini lima pa'u, manava ma le puipuiga o mata e tatau ona fa'aoga i le taimi o taotoga pe a pa'i pa'u, fepa'i mata.
Felauaiga:Aloese mai le timu, faʻaalia, maualuga le vevela.
