Rubber Chemcials Rubber Antioxidant 6PPD 4020
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6PPD 4020
Chemical Name:N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine
Molecular Formula：C18H24N2
Molecular Weight:268.40
CAS NO.：793-24-8
Executive standard:HG/T 3644-1999
Specification:
| Index |
| |
Appearance |
|
Soften Point,℃ ≥ | 45.0 |
Loss on drying,% ≤ | 0.50 |
Ash,% ≤ | 0.15 |
Assay（GC）% ≥ | 96.0 |
Solidifying Point,℃≥ | 45.5 |
Properties: Dark brown to dark violet pastilles relative density of 0.986-1.00. Soluble benzene, acetone, ethyl acetate, toluene dichloromethane and slightly soluble in ether, do not dissolve in water. Provides powerful and antioxidant properties with excellent high temperature and flex resistance to rubber compounds.
Applications:Include the use in pneumatic,solidtires,beles,hoses,cables,bushings,automotive mounts and general mechanical products that are exposed to continuous and intermittent dynamic operating conditionsand and require protection from coronations.
Packing:Packed in 20kg per bags.
Properties: The product should be stored in the dry and cooling place with good ventilation. The product should be avoid hot sunshine.
- Q:Please name 2 common examples of catalysts.Thank you?
- Well, there's Adam's Catalyst (PtO2) which is one of the most used catalysts.
- Q:How are a catalyst and an intermediate similar? How are they different?
- A catalyst speeds up the rate of a reaction by lowering the activation energy barrier which is, presumably, the energy required to achieve the reaction intermediate. Catalysts are also not consumed in the reaction, they are regenerated towards the end. A reaction intermediate is a configuration that a molecule takes prior to achieving it's lowest energy form which would signify the end of the reaction. Intermediate usually are hard to isolate because of the incentive to go to the most stable configuration. How are they different? A catalyst is not a part of the reaction product and it doesn't get consumed. An intermediate in a reaction is transformed into the product. How are they similar? Well, catalysts drive the reaction and make it easier for the reaction for follow through. Since intermediates are high energy and thermodynamics tells us that low energy is favorable, the incentive for a high energy intermediate to drive down to it's stable for can also drive a reaction. I hope that helps. I hope it makes sense.
- Q:what is the role of a catalyst in a chemical reaction?
- A catalyst is used to speed up a chemical reaction. It is not consumed during the reaction.
- Q:Why the catalyst is required to have a large surface area and a rich pore structure
- So that the use of more fully catalyst, the effect is better.
- Q:Can chemical reaction limits be changed by catalyst or other methods?
- You can use heating, pressurization and other methods.
- Q:I dont know what it is but when i open up my computer it comes up and it says that its not working? so i really dont know what to do.
- ATI Catalyst Control Centre is a control program for ATI graphics cards. If you have an ATI graphics card, go to the ATI website and download and reinstall the program.
- Q:What kind of chemical reaction requires a catalyst?
- For example, the system of ammonia, S02 oxidation into SO3
- Q:Is it faster or slower? The What if you do not?
- The catalyst is divided into: positive catalyst and negative catalyst, positive catalyst accelerates the reaction rate, and negative catalyst slows down the reaction rate. Regardless of the positive and negative of the catalyst, it only changes the rate of the reaction, does not change the nature of the reaction, and the reaction, the chemical nature of the catalyst will not change!
- Q:The last question asked no one answered this question.
- This problem is difficult to answer comprehensively because the study of the different directions of the catalyst is different.
- Q:Chemical questions: "CO2 and H2 in the catalyst conditions have a reaction, the reaction of the chemical equation is"
- CO2 + H2 = CO + H2O (conditions: catalyst, generally already heating, and reversible)
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Rubber Chemcials Rubber Antioxidant 6PPD 4020
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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