Rubber Antioxidant IPPD 4010NA

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Tainjin Port
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TT or LC
Min Order Qty:
1 Metric Ton m.t.
Supply Capability:
100000MT Per Year m.t./month

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Product Description:

Specifications  Rubber Antioxidant IPPD 4010NA:

 

Chemical name: N-isopropyl-N'-phenyl-p-phenylene diamine

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Molecular Formula:C15H18N2

Molecular Weight:226.32 CAS NO.:101-72-4

Executive standard:GB/T8828-2003   

 

Technical Date of Rubber Antioxidant IPPD 4010NA:

 

Item

Granule

Appearance

Dark brown to dark violet pastilles

Initial M.P. (Min) ≥ °C

70.0

Loss on drying (Max) ≤ %

0.30

Ash (Max) ≤ %

0.20

Assay(GC) ≥%

97.0

 

Properties:

 

 Dark brown to purple brown granules. density of 1.14 soluble oils, benzene, ethyl acetate, carbon disulfide and ethanol, gasoline South soluble, not water soluble. Provides powerful and antioxidant properties with excellent high temperature and flex resistance to rubber compounds.

 

Applications: include the use in pneumatic, an antioxidant for natural rubber and many kinds of synthetic rubber, especially for the prevention of thermal deterioration on NBR. These goods can be used in heated vessels and the Torrid Zone.

 

Packing :Packed in 20kg or 25kg per bags.

 

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

 

Rubber Antioxidant IPPD 4010NA

 

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Q:Chemical catalyst system baa?
Can speed up or slow down the reaction rate without participating in the reaction of the material
Q:The addition of the catalyst has no effect on the chemical equilibrium of the movement
The essence of chemical equilibrium is a dynamic equilibrium. Under certain conditions, the equilibrium constant of the reaction is a certain value. The role of the catalyst is to reduce the activation energy required for the reaction, increase the number of activated molecules, and increase the number of molecules per unit time , But the positive reaction is positive for the reaction, so do not change the speed.
Q:High chemistry: Does the catalyst affect the heat and heat of the reaction?
No effect
Q:Effect of Catalyst on Chemical Reaction Rate
The catalyst can reduce the activation energy of the chemical reaction and allow the reaction to take a shortcut
Q:what is the role of a catalyst in a chemical reaction?
A catalyst speeds up a chemical reaction by providing an alternate reaction pathway with a lower activation energy. Since the activation energy is lower, more product will be formed in the same amount of time. Chemists used to assume that a catalyst somehow sped up a reaction without being consumed in the reaction. We now know that a catalyst will be a reactant in one step of a reaction mechanism, and will be a product in a subsequent step in the mechanism, so that it **appears** that the catalyst does not take part in the reaction. ======== Follow up ========= Remember, it is customary to cite one's sources when quoting from another source or when simply copying large passages from Wikipedia or some other web page.
Q:Why are transition metals more likely to be catalysts?
transition okorder.com/... for ex-- X (one reactant) + catalyst(transition element) ------X.catalyst(intermediate unstable compound) X.catalyst + Y (other reactant) --------XY(product) + catalyst how the change in oxidation state of transition elements helps the reacton through the formation of intermediates may be seen from reaction in between SO2 and O2 to form SO3 in presence of V2O5 ... V2O5 + SO2 ------V2O4 + SO3 2V2O4 + O2 ------2V2O5 in the above reaction vanadium changes its oxidation state from +5 to +4 and again to +5.. another example is reaction in between iodide and persulphate ions in presence of Fe(III) as catalyst... 2I(-) + S2O8(2-) ---------I2 + 2SO4(2-) (Fe(III) is present as catalyst) the reaction is believed to take place as follows: 2Fe(3+) + 2I(-) ------2Fe(2+) + I2 2Fe(2+) + S2O8(2-) ------2Fe(3+) + 2SO4(2-) (3)in number of cases transition elements provide a suitable large surface area with free valencies on which reactants are absorbed ...as a result concentration of reactants on surface of catalysts increases..hence rate of reaction increases...this is known as adsorption theory.... according to adsorption theory : there are free valencies on surface of solid transition metals because of the incomplete d-subshelll.. so the mechanism of catalysis involve followin five steps: (1) diffusion of reactant molecules towards surface of catalyst... (2) adsorption of reactant molecules on surface of catalyst by forming loose bonds with catalyst due to free valencies... (3)occurence of chemical reactions between reactant and catalyst forming an intermediate.. (4)desorption of product molecules from surface due to its lack of affinity for the catalyst surface thereby making the surface free for fresh adsorption of reactant molecules... (5)diffusion of product molecules away from surface of catalyst...
Q:Can a catalyst be present in the rate equation?
Yes, a catalyst can be included in a rate law. That's because, most reactions occur in a series of step and the rate is based on the rate determining step, which is the slowest step. A catalyst may be a reactant in the rate determining step, and a product in a subsequent step. Therefore, the catalyst is not included in the overall reaction. But a catalyst need not always be in the rate law. The rate law is usually based on the rate determining step. ========== Follow up =========== In the free response questions on the AP chemistry exam there has been at least one case where a rate law included a catalyst( 2002D). Brown and LeMay always include at least one in their examples, and I always cover this situation when I teach rate laws and mechanisms in AP chemistry. Here is one comment: Other examples of species not in the balanced reaction occurring in the rate law would include catalysis, where a catalyst does not normally appear in the balanced reaction but does appear in the rate law. www.chem.arizona.edu/~salzmanr/48... Consider this generalized reaction which is catalyzed by M A + B --C A + M --Q ... slow Q + B --C ... fast M is the catalyst, and Q is the intermediate. The slow, or rate determining step, depends only on the concentrations of A and M, the catalyst. So even though the overall reaction does not include, M, the rate law does. Rate = k[A][M]
Q:Palladium is the main catalyst in chemistry?
Palladium in the chemical mainly to do the catalyst; palladium and ruthenium, iridium, silver, gold, copper and other alloy, can improve the palladium resistivity, hardness and strength, used in the manufacture of precision resistors, jewelry and so on. While the most common and most commercially available palladium jewelery is palladium.
Q:The greater the chemical adsorption strength, the catalyst activity changes
If the adsorbent is a reactant, then the better the adsorption capacity of the better catalytic effect; but the catalyst surface of the product will generally have adsorption, if this effect has become very strong, then desorption The process will become difficult, the catalytic effect will decline; the other one, if the adsorption of other substances, such as the reaction may produce a reaction or the catalyst will poison the material, it is greatly detrimental to the catalytic effect. The effect is to be controlled in a suitable optimum range for superior, and preferably to be selectively adsorbed.
Q:Related to the issue of chemical catalysts, experts into the !!!
This problem is not easy to answer, the principle of manganese dioxide catalytic hydrogen peroxide I have not learned, but I have also considered, I think so, hydrogen peroxide and manganese dioxide first combination, the formation of permanganic acid, permanganic acid is a Very special acid is indeed present, it can not be stable under normal conditions, it will be further decomposition, the formation of manganese dioxide, oxygen and water
Sticker, is professional manufacturer of engineering rubber products with most effective cost. Our products range includes: bridge rubber balloon mold (inflatable mandrel), laminated rubber bearing (rubber pads), pipe sealing bag (airbag shutoff, blocking off the water), rubber water bag, bridge expansion products, rubber stop hose products, closed-cell foam board, and capsule products.

1. Manufacturer Overview

Location Hebei, China
Year Established 1996
Annual Output Value US$ 5 Million - US$ 10 Million
Main Markets North America; South America; Eastern Europe; Southeast Asia; Africa
Company Certifications ISO9001;

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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin Port
Export Percentage 21% - 30%
No.of Employees in Trade Department 5-10 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: Above 10,000 square meters
No. of Production Lines Above 6
Contract Manufacturing Design Service Offered; Buyer Label Offered
Product Price Range High; Average