Rubber Chemcials Rubber Antioxidant Model TMQ

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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:

RD (TMQ)

Chemical Name:2,2,24-Trimethy 1-1,2- Dihydroquinoline content

Molecular Weight: (173.26)n

CAS No.:26780-96-1

Executive standard: GB/T 8826-2003

Specification:

 

Item

Index

High Content

High Class Product 

First Class Product

Appearance

Amber to light brown flake or granular 

Softening Point 

  90.0+10.0

80~100

Heat Loss % 

 0.30

0.30

0.50

Ash% 

 0.20

0.30

0.50

Assay % 

77.0

--

--

Isopropyl-bis aniline % 

0.20

--

--

Issolubles in alcohol % 

0.50

--

--

 

Properties: Pale yellow to amber power or thin.Nontoxic Not soluble in water, soluble in benzene.Chloroform,acetone and carbon disulfide,Miro-soluble petroleum hydrocarbons.

 

Application:The product is particular excellent kinds od eneral-purpose ammonia anti-ageing agent.Ti particular suit to full-stell,semi-steel radial tire and it apply to many kinds of the tires,rubber tube,gummed tape, rubber overshoes and general industrial rubber producers and also suits to emulsion products.

 

Packing:25kg paper bag inner with PE bag.

 

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

 


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Q:In the chemical reaction, why can the catalyst speed up the reaction rate
Iron catalyzes nitrogen and hydrogen synthesis of ammonia, and no iron reaction occurs almost.
Q:High chemistry: Does the catalyst affect the heat and heat of the reaction?
No effect
Q:Manganese dioxide can be used as a catalyst for various chemical reactions
The reactor may be a reactant,
Q:catalyst question?
The purpose of a catalyst is to provide an alternate pathway for a reaction to proceed, often one with a lower activation energy, such that the reaction will generally proceed faster. The key to catalysts if they they are NOT consumed by the reaction in the end (they may be consumed in an intermediary step, but if so, a subsequent step will recreate the catalyst). In other words, catalysts do not actually participate in the reaction, so they may be reused when the reaction has completed.
Q:Which branch of chemistry or what specialty can study the catalyst
Physical chemistry: catalyst surface structure, catalytic mechanism and catalytic reaction process
Q:Why the amount of catalyst is too small will make the chemical reaction rate slowed down
The catalyst changes the reaction rate by changing the reaction pathway and reducing the activation energy of the reaction.
Q:What is the similarity between enzymes and general chemical catalysts?
(1) The enzyme is the same in many respects as a biocatalyst and a general catalyst, such as a small amount and a high catalytic efficiency. As with the general catalyst, the enzyme can only change the rate of chemical reaction and does not change the equilibrium of the chemical reaction It is possible to catalyze the activation of a large number of substrates in a short time and to reflect the high efficiency of enzyme catalysis.The enzyme can reduce the activation energy of the reaction (activation) (△ G) during the reaction, but the reaction rate is accelerated and the reaction time is reduced, but the equilibrium constant is not changed. (2) However, the enzyme is a biological macromolecule (1) Enzyme-catalyzed high efficiency: The catalytic effect of the catalyst can increase the reaction rate by 10 ^ 6 ~ 10 ^ 12 times, which is at least several times higher than that of the conventional catalyst. (2) The enzyme catalyst Highly specificity: including specificity of response, substrate specificity, chirality specificity, geometric specificity, etc., that an enzyme can only act on a certain class or a specific substance. Bond, ester bond, peptide bond and so on can be catalyzed by acid-base hydrolysis, but the hydrolysis of these chemical bonds are different, respectively, the corresponding glycosidase, esterase and peptidase, that is, they were specific (3) enzymatic reaction conditions are mild: enzymatic reaction is generally carried out in aqueous solution of pH = 5 ~ 8, the reaction temperature range is 20 ~ 40 ℃
Q:The beginning of the chemistry plus the catalyst and the plot without the Cuihua agent
Activated molecular map
Q:Explanation of Catalysts?
Hi Ganah! A catalyst is a substance that increases the rate of a chemical reaction without itself being used up in the reaction. They lower the activation energy for a reaction and also speed up the rate of the reaction (both in reverse and forward reactions). Let's look at a generic chemical reaction: A + B---C + D C + D---B + E Here, the catalyst is substance B because it is part of the chemical reaction but then it is not used up in the net reaction. See how it seems to be used up in the first step, but by the second step, the catalyst is made once again. The net reaction is A + B--->B + E and you can see how it is not consumed in the reaction. There are also 3 types of catalysts. Heterogeneous catalysts are catalysts that are in different phases than the reactants. An example would be like a reaction between two solids but a liquid is added to speed up the reaction. The liquid is in a different state of matter than the solids but it can still function as a heterogeneous catalyst. Homogeneous catalysts are catalysts that are in the same states of matter as the reactants. An example would then be ethyl acetate reacting with water to form acetic acid and ethanol with an acidic catalyst. They would all be liquids. Lastly, there are enzyme catalysts. These are proteins in your body that speed up biological reactions by reacting with substrates. I hope this helped and good luck with chem!
Q:What is the nature of the chemical catalyst?
The nature of the catalyst is to play a catalytic role in reducing (or increasing) the anti

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