Сохранить в закладки 60743866604:
rubber antioxidant dppd N,N-diphenyl-p-phenylenediamine antioxidant H
Executive standard: Q/YTH 001-2011
English alias: N, N-diphenyl-p-phenylenediamine
English abbreviation: DPPD
CAS RN: 74-31-7
UN RN :UN 1673 6.1/P 3
1. Physical and chemical properties:
1.1 Molecular formula: C18H16N2
1.2 Molecular weight: 260.34
1.4 Solubility: Dissolve in benzene, toluene, ether and acetone. Dissolve slightly in ethanol. Insoluble in water.
1.5 Boiling point: 220-225°C, 0.5mmHg
1.6 Stability and reactivity: Flammable. When it’s exposed to air or sunlight, the product will be oxidized and change its color. When contacted with hot dilute hydrochloric acid, it becomes green.
2. Technical indexes:
Item | Index | ||
Refined | 1stgrade | 2ndgrade | |
Initial melting point,°C | ≥140.0 | ≥135.0 | ≥125.0 |
Ash content ,%(m/m) | ≤0.40 | ≤0.40 | ≤0.40 |
Decrement by heating ,%(m/m) | ≤0.40 | ≤0.40 | ≤0.40 |
Remainder through sieving (100 mesh),% (m/m) | ≤1.0 | ≤1.0 | ≤1.0 |
Appearance | Greyish brown powder |
3. Application: It can be used as the antioxidant in solid propellant to improve the storage stability of the product. It has been used for those natural, styrene-butadiene, acrylonitrile- butadiene, butadiene, butyl, hydroxyl, polyisoprene rubber.It can resolve aging problem existing in the deep-color rubber products while antioxidant H is used together with antioxidant D. Moreover, it can be also used as the hot-oxygen stabilizer for those engineering plastics.
Conveyor belt Rubber tires
Polyurethane materials(add ≤3%) Solid propellant(add 0.2-0.3%)
4. Packing: Woven bag lined with plastic bag, net weight 20 kg/bag.
Develop custom-made products according to the clients’ requests and offer OEM service.
1.Forty years technique deposition
2.Military standard quality
3.Free sample
4.Small order is acceptable
5.24 hours online service
Новинки товаров от производителей по оптовым ценам