Rubber Chemcials Rubber Antioxidant PBN (D)

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Tianjin
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
12000 m.t./month

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Product Description:

PBN  (D)

Chemical nameN-Phenyl-β-Naphthylamine
Molecular formulaC16H13N
Molecular Weight: 219.29   
CAS NO.135-88-6
Executive standardQ/12HG 4521-2001

Specification


Item

Index

Appearance:

Light gray or brown powder

Soften Point,℃ ≥

105.0

Loss on drying,%≤

0.20

Ash,%≤

0.20

Screen residue (100meshes),% ≤                     

0.2

phenyl amine content

No blue and purple reaction by testing

Magnet object content ,% ≤

0.008

 

Properties: Light gray powder, the temperature of 108℃, the boiling point of 395.5℃, the relative density of 1.18. Extreme soluble acetone, ethyl acetate, methyl chloride, benzene, carbon disulfide, soluble in alcohol, carbon tetrachloride, is not soluble in water and petrol. Exposure to the air and sunlight will gradually become red ash.

 

Applications: The product is mainly used for natural and synthetic. Used in tyres, rubber belts, rubber shoes and so on.

 

Packing:Polypropylene knitted bags lined with polyethylene bags.Net weight 25kg per bag.

 

Properties: The product should be stored in the dry and cooling place with good ventilation . The product should be avoid hot sunshine.


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Q:What is the difference between an enzyme catalyst in a living body and a catalyst in chemistry?
(Such as: high temperature, high pressure, strong acid, alkali, etc.), but the enzyme catalyzed reaction (enzymatic reaction) is generally at room temperature, atmospheric pressure (normal reaction), the reaction temperature of the chemical reaction, , Neutral pH, etc. under mild reaction conditions.
Q:Will the catalyst change in the chemical reaction?
The role of catalyst refers to the chemical reaction in the catalytic role of the reagent, of course, the catalytic effect can be divided into two kinds, one is to speed up the progress of the reaction, one is to inhibit the progress of the reaction, the specific role of the catalyst to see the actual reaction needs.
Q:In the chemical calculation, the quality of the catalyst should not be counted before and after the reaction
It is not the same .. because the quality of the catalyst will not change .
Q:Question about catalysts?
A catalyst works for either the reactants or the product in a given reaction. If it works for the reactants then the activation site on the enzyme, for example, will only fit on the reactants. If a catalyst is added to a reaction in which it catalyzes the back-reaction, or it aids the products, then the reaction will be reversed. i don't think a catalyst could work for both the reactants and products in one reaction because it wouldn't really be a catalyst anymore; it wouldn't make the rxn progress any faster since it would be canceling out itself by aiding both the reactants and the products. I think this is what you are asking, if not please post more details. I hope I didn't confuse you even more!
Q:High school stage which organic chemical reactions do not use catalyst
Olefins, alkynes, making bromine water, potassium permanganate fade.
Q:No one knows the expression of the catalyst and the chemical expression of the acridine
In organic reactions, the catalyst is complex and consists of several or more. Write Chinese characters directly.
Q:What is the difference between a catalyst and an inducer in a chemical reaction?
The catalyst does not participate in the reaction, but only the carrier of the reaction; the inducer will participate in the reaction
Q:Carbon dioxide and hydrogen in the catalyst and heating conditions
CO2 + 4H2 = catalyst, heating = 2H2O + CH4
Q:What are the characteristics of the catalyst in the catalytic reaction?
The role of the catalyst in the chemical reaction is to change the rate of chemical reaction, and its own quality and chemical properties do not change.
Q:What are the properties of the catalyst (eg, specificity)?
The composition, chemical properties and quality of the catalyst itself do not change before and after the reaction; its relationship with the reaction system is as highly selective (or specific) as the relationship between the lock and the key. A catalyst is not for all Chemical reactions are catalyzed, for example, manganese dioxide in the thermal decomposition of potassium chlorate in the catalytic role to speed up the chemical reaction rate, but other chemical reactions do not necessarily have a catalytic effect.Some chemical reaction is not only a single catalyst, such as potassium chlorate Thermal decomposition can play a catalytic role in the magnesium oxide, iron oxide and copper oxide and so on.

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