Dop Substitute DEDB Widely Used In Different PVC

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Tianjin
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TT OR LC
Min Order Qty:
16.8
Supply Capability:
8000 m.t./month

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Product Description:

Product performance:

     Polyol Benzoate (DEDB) is colorless or pale yellow transparent oily liquid, water-insoluble, soluble in aromatic hydrocarbons, ketones and ethers, and has good compatibility withpolyvinyl chloride, ethylene - vinyl acetate copolymer, poly vinyl acetate, polymethylmethacrylate, polyvinylbutyral, nitrocellulose, and ethyl cellulose, etc.

Product application:

       Polyol Benzoate(DEDB) is an environmentally friendly plasticizer with the characteristics of strong solubility, good compatibility, low volatility,resistant to oil, water, light, pollution etc. It is suitable for processing PVC flooring material, plastisol, artificial leather, cable material, soft and hard pipe, shoes material, rubber strips, synthetic rubber, and paint, printing ink, etc. It has a better plasticized effect if it is used together withDOP or DBP, and has greatly achieved the purpose of reducing cost .

Product quality index

Item

First grade

Second grade

Chroma(APHA)                    

50

60

Ester %                           

99.5

90.0

Density(20°C)g/ 

1.120-1.126

1.172-1.78

Acidity(as benzene dicarbonic acid) %   

0.01

0.02

Flash Point °C                     

195

192

Loss on heat(125°C,2 hours)%         ≤

0.3

0.5

Chroma after heat treatment

80

100

Specifications

1. Direct producer with 15 years experience 
2. ISO9001:2000 
3. High quality, lower price and best service 
4. New plasticizer 

PackagingIBM, net weight: 1000 kg.

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Q:Why is the catalyst?
Only answer lz, the last question and. The reason is that both the restriction endonuclease and the ligase are required for certain reaction conditions and the reaction substrate. And the reaction conditions are different, so that the final results are different, of course, the enzyme is relatively speaking is not so high, perhaps the destruction is always stronger than the building it. The ligase is the need for a specific substrate, three distilled water, temperature, time (long time do not forget the formula) to control, it may have a certain proportion of connection. So this is two questions.
Q:What is the quality of the catalyst in the chemical reaction,and how much is the catalyst mass?
You can not calculate this question, the quality of the catalyst before and after the same reaction, how much reaction before the reaction on how much
Q:What are the catalysts that appear in the chemistry experiment?
Hydrogen peroxide, manganese dioxide
Q:Chemical reactions in the presence of impurities will cause catalyst poisoning
Catalyst in use will be due to various factors and loss of activity, one of the important factors is poisoning. There are several possible reasons for the poisoning of the catalyst. The small amount of impurities contained in the original branch, or the strong adsorption (mostly chemical adsorption), or the chemical center of the active center, So that active center poisoning. In addition, there may be such poisons in the reaction product; in the preparation of the catalyst, the impurities contained in the carrier interact with the active component and may also poison the active center.
Q:What is the catalyst for industrial aluminum electrolysis?
2AlCl3 (melt) = power = 3cl2 + 2al by-product is chlorine
Q:What is the reaction in chemistry?
Industrial production of ammonia, ethanol, industrial synthesis of ammonia, ethanol catalytic oxidation, acetaldehyde oxidation into acetic acid, ethyl acetate preparation, the transformation of automobile exhaust, benzene substitution reaction and addition reaction, some other addition reaction of hydrocarbons, Ethanol dehydration to produce ethylene and so on
Q:Can a catalyst be present in the rate equation?
All the factors that affect a reaction rate, except for concentration and reaction order, are taken into account in the rate equation of the reaction. A catalyst: The presence of a catalyst increases the reaction rate (in both the forward and reverse reactions) by providing an alternative pathway with a lower activation energy. en.wikipedia.org/wiki/Reaction_ra...
Q:Explanation of Catalysts?
A catalyst increases the rate of a reaction by lowering the activation energy. Activation energy is the energy required to make the reactants form the products. If the activation energy is lower the reaction takes place faster and more easily. Also catalysts are not used up during the reaction.
Q:What about the chemical reaction of the catalyst if there is no catalyst?
Slow response or no reaction
Q:What are the chemical reaction conditions in organic chemistry are catalyst and heating, please elaborate
This really does not have omnipotent law, their own more than one point, you can classify to remember, when I was in high school is in accordance with the notes, such as poly, polycondensation and the like. In general, the double triple bond addition, plus halogen is not the conditions, plus HCl, HBr and the like to heat; dehydration reaction generally concentrated H2SO4 heating, dehydration condensation is also; there are some special, such as ethylene added to ethanol Special temperature requirements, it seems that 120 degrees, there are other; other addition poly, polycondensation some need catalyst. The The In short, the conditions are many, in general, you do not go to the high school to do more questions after the feeling, encounter problems do not panic general experience can come out according to experience, this also depends on the usual accumulation, if the equation conditions Wrong to deduct points, it is not worthwhile. There are some questions when the examination will give you some information, whether you know do not know should see clearly, although some of the reaction but the subject to the conditions are not the same, when you do according to the title to write conditions, this will not wrong. In addition, thank you for your help, I do not seem to know you

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