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Catalyst and Auxiliary

Antioxidants UV absorbers Antioxidant Polyethylene glycol derivatives Fluorescent brightener Plastic rubber chemicals polymer Precious Metal Catalysts Coupling Zeolite Flame retardants Petrochemical Fluor reagent
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The catalyst can change the reaction rate in the chemical reaction, and the composition and the quality of the catalyst can be kept constant after the reaction. The catalyst that accelerates the reaction is called the positive catalyst, slows down called Negative Catalyst or slow agent. It said catalyst is a positive catalyst for the general correction. This kind of catalyst in the industry, especially the organic chemical industry used more, and has great significance, Such as sulfuric acid prepared by contacting, ammonia, hydrolysis of the ester and polysaccharide, Oil Hydrogenation, etc. Commonly used catalysts are mainly metal, metal oxide and inorganic acid. If the catalyst is solid, the substance of the reaction is gas, to form a multi-phase catalytic reaction, this catalyst, sometimes called catalyst or contact agent. The catalyst is generally selective, it can only make a reaction or a certain type of reaction to speed up. But some reaction can be used for a variety of catalysts, such as the hydrogenation reaction can often be platinum, palladium, nickel, should be carefully chosen. In the catalytic reaction, the catalyst is often added cocatalyst known to enhance catalytic action of the catalyst. For example, iron is a catalyst in ammonia industry, adding a small amount of potassium and aluminum can enhance the catalytic effect of iron. The composition and weight of the catalyst and cocatalyst cannot change before and after the reaction. All of the above are inorganic catalysts. The enzyme is a protein, is very important organic catalyst.

There are many kinds of catalyst, catalyst and reaction system according to the phase of the classification, there are two types of homogeneous and heterogeneous catalysts. Heterogeneous catalysts most widely used, there are 3 kinds of gas, liquid and solid state, the variety and application of solid catalyst. The solid catalyst, which is made of metal (nickel, platinum, palladium, chromium, cobalt, titanium, vanadium, etc.) or metal oxide (copper oxide, vanadium pentoxide, lead oxide), is dispersed and deposited on the carrier in order to obtain a good dispersion effect and increase the specific surface area. The catalyst requires reliable activity, stability, selectivity, long working life, not easy to poisoning and over-burning, easy to regenerate. In order to improve the catalytic efficiency, the pure metal catalysts are made into alloy catalysts (such as nickel aluminium alloy) and composite catalysts (ZieglerNatta). The composite catalyst is composed of main catalyst and co-catalyst. In the new efficient catalysts also add other components. The production and development of high efficiency catalyst have promoted the development of polymer materials, and produced much polymer function and structure material ,which is new generation of high performance and high added value.

With the extensive application of catalyst and a number of new catalysts, we can make a lot of new chemical reactions to achieve industrialization, in order to provide an increasing number of chemical products; also can make some of the original chemical reaction conditions have been improved, in order to improve the production efficiency and product quality, make full use of resources. The important subject in the field of modern chemistry and chemical research is to select and develop more and better catalyst for the new generation. But the role of a catalyst is not beneficial to humans, such as combustion products of supersonic jet fuel as a catalyst can cause the stratosphere (10 to 50 km altitude) decomposition of ozone in the atmosphere, to the sun's ultraviolet absorption decreased, resulting in some areas of skin cancer patients increased. Is developing a new supersonic jet fuel, its combustion products will not become a catalyst,which will cause the ozone decomposition catalyst in the stratosphere.

Additives are added in the industrial and agricultural production, especially in the chemical production of some of the auxiliary chemicals, its role is to improve the production process, improve product quality and yield, or to give the product a unique application performance.

Additive are large class of important chemical in the production of auxiliary raw materials, they can give a special performance to product, improve use of finished products; and can accelerate the chemical reaction rate, improve product yield; they can save raw materials, improve processing efficiency. Additives are widely used in the chemical industry, especially organic synthesis, synthetic material processing and petroleum refining, pesticide, medicine, dye, paint and other industrial sectors. Additives can be divided into synthesized additives and processing additives. Synthetic additives are used in monomer synthesis and polymerization of a variety of auxiliary agents in resin, fiber, rubber, etc. They include catalysts, initiators, solvents, dispersants, emulsifiers, polymerization inhibitors, regulators, termination agents, etc. Processing aid refers to the auxiliary chemicals used in the manufacture of raw rubber, plastics processing, chemical fiber spinning and spinning process, including plasticizers, heat stabilizers, antioxidants, light stabilizers , flame retardants, blowing agents, lubricants, mold release agents, curing agents, accelerators, softeners, anti-scorching agents, surfactants, oils, fillers, etc. In these additives, many of them are dangerous chemicals, Such as benzoyl peroxide, azobisisobutyronitrile, hydrogen peroxide - ferrous blue, alkyl aluminum chloride, titanium and other initiators, catalysts are inflammable and explosive materials, should be required to "chemical Dangerous Goods Safety Management Regulations", for storage, transportation, operation and use.

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Structure:
Chemical Name:
Acetyl tributyl citrate
CAS:
77-90-7
MF:
C20H34O8
Structure:
Chemical Name:
Dess-Martin periodinane
CAS:
87413-09-0
MF:
C13H13IO8
Structure:
Chemical Name:
UV-329
CAS:
3147-75-9
MF:
C20H25N3O
Structure:
Chemical Name:
N-Oleoylethanolamine
CAS:
111-58-0
MF:
C20H39NO2
Structure:
Chemical Name:
1,3,5-Tri-2-propenyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione
CAS:
1025-15-6
MF:
C12H15N3O3
Structure:
Chemical Name:
Tributyl citrate
CAS:
77-94-1
MF:
C18H32O7
Structure:
Chemical Name:
N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamine
CAS:
793-24-8
MF:
C18H24N2
Structure:
Chemical Name:
Ultraviolet Absorbent UV-360
CAS:
103597-45-1
MF:
C41H50N6O2
Structure:
Chemical Name:
2-Ethylhexyl diphenyl phosphate
CAS:
1241-94-7
MF:
C20H27O4P
Structure:
Chemical Name:
UV Absorber 326
CAS:
3896-11-5
MF:
C17H18ClN3O
Structure:
Chemical Name:
Dimethyl azelate
CAS:
1732-10-1
MF:
C11H20O4
Structure:
Chemical Name:
Dioctyl sebacate
CAS:
122-62-3
MF:
C26H50O4
Structure:
Chemical Name:
C36 Dimer acid
CAS:
61788-89-4
MF:
C36H64O4
Structure:
Chemical Name:
2-Aminodiphenyl
CAS:
90-41-5
MF:
C12H11N
Structure:
Chemical Name:
2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
CAS:
3864-99-1
MF:
C20H24ClN3O
Structure:
Chemical Name:
Tris(1,3-dichloro-2-propyl)phosphate
CAS:
13674-87-8
MF:
C9H15Cl6O4P
Structure:
Chemical Name:
Disodium 4,4'-bis(2-sulfostyryl)biphenyl
CAS:
27344-41-8
MF:
C28H23NaO6S2
Structure:
Chemical Name:
Avobenzone
CAS:
70356-09-1
MF:
C20H22O3
Structure:
Chemical Name:
Triethyl acetyl citrate
CAS:
77-89-4
MF:
C14H22O8
Chemical Name:
Chlorinated paraffin
CAS:
63449-39-8
MF:
C24H30Cl20C15H14Cl18
Structure:
Chemical Name:
Dibutyl adipate
CAS:
105-99-7
MF:
C14H26O4
Structure:
Chemical Name:
2,2',4,4'-Tetrahydroxybenzophenone
CAS:
131-55-5
MF:
C13H10O5
Structure:
Chemical Name:
Bis(2-ethylhexyl) maleate
CAS:
142-16-5
MF:
C20H36O4
Structure:
Chemical Name:
Drometrizole
CAS:
2440-22-4
MF:
C13H11N3O
Structure:
Chemical Name:
2-Chlorobenzyl cyanide
CAS:
2856-63-5
MF:
C8H6ClN
Structure:
Chemical Name:
Antioxidant 245
CAS:
36443-68-2
MF:
C34H50O8
Structure:
Chemical Name:
Dibutyl phthalate
CAS:
84-74-2
MF:
C16H22O4
Structure:
Chemical Name:
Epoxidized soya bean oil
CAS:
8013-07-8
MF:
C57H98O12
Structure:
Chemical Name:
Tris(3,5-di-tert-butyl-4-hydroxybenzyl) isocyanurate
CAS:
27676-62-6
MF:
C48H69N3O6
Structure:
Chemical Name:
5A molecular sieve
CAS:
69912-79-4
MF:
CanNa12-2n[(AlO2)12(SiO2)12]xH2O
Structure:
Chemical Name:
Tetrabromobisphenol A bis(dibromopropyl ether)
CAS:
21850-44-2
MF:
C21H20Br8O2
Structure:
Chemical Name:
4,4'-Methylenedianiline
CAS:
101-77-9
MF:
C13H14N2
Structure:
Chemical Name:
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
CAS:
25973-55-1
MF:
C22H29N3O
Structure:
Chemical Name:
BIS(2-N-BUTOXYETHYL)PHTHALATE
CAS:
117-83-9
MF:
C20H30O6
Structure:
Chemical Name:
Antioxidant 1330
CAS:
1709-70-2
MF:
C54H78O3
Structure:
Chemical Name:
UV Absorber 234
CAS:
70321-86-7
MF:
C30H29N3O
Structure:
Chemical Name:
Butylated Hydroxytoluene
CAS:
128-37-0
MF:
C15H24O
Structure:
Chemical Name:
TRIETHYLENE GLYCOL DIACETATE
CAS:
111-21-7
MF:
C10H18O6
Structure:
Chemical Name:
Oxazole
CAS:
288-42-6
MF:
C3H3NO
Structure:
Chemical Name:
DIISODECYL ADIPATE
CAS:
27178-16-1
MF:
C26H50O4
Structure:
Chemical Name:
Light Stabilizer 622
CAS:
65447-77-0
MF:
C7H15NO
Structure:
Chemical Name:
N-Isopropyl-N'-phenyl-1,4-phenylenediamine
CAS:
101-72-4
MF:
C15H18N2
Structure:
Chemical Name:
Antioxidant 1010
CAS:
6683-19-8
MF:
C73H108O12
Structure:
Chemical Name:
Diisooctyl sebacate
CAS:
27214-90-0
MF:
C26H50O4
Chemical Name:
DOWEX(R) 50WX4 HYDROGEN FORM
CAS:
11113-61-4
MF:
Na2O·Al2O3@2SiO2·4.50H2O
Structure:
Chemical Name:
2-(Chloromethyl)benzonitrile
CAS:
612-13-5
MF:
C8H6ClN
Chemical Name:
POLYETHYLENEIMINE
CAS:
9002-98-6
MF:
H(NHCH2CH2)nNH2
Structure:
Chemical Name:
2,5-Thiophenedicarboxylic acid
CAS:
4282-31-9
MF:
C6H4O4S
Structure:
Chemical Name:
4-tert-Butyl-2-nitrophenol
CAS:
3279-07-0
MF:
C10H13NO3
Structure:
Chemical Name:
HEPTAETHYLENE GLYCOL MONODODECYL ETHER
CAS:
3055-97-8
MF:
C26H54O8
Structure:
Chemical Name:
TRIMETHYL CITRATE
CAS:
1587-20-8
MF:
C9H14O7
Structure:
Chemical Name:
2-Methyl-4'-(methylthio)-2-morpholinopropiophenone
CAS:
71868-10-5
MF:
C15H21NO2S
Chemical Name:
Activated carbon
CAS:
64365-11-3
MF:
CH4
Structure:
Chemical Name:
Methyl-2-mercaptobenzimidazole
CAS:
53988-10-6
MF:
C8H8N2S
Structure:
Chemical Name:
4,4'-Bis(5-methyl-2-benzoxazolyl)stilbene
CAS:
2397-00-4
MF:
C30H22N2O2
Structure:
Chemical Name:
4-Sulfo-1,8-naphthalic anhydride potassium salt
CAS:
71501-16-1
MF:
C12H5KO6S
Structure:
Chemical Name:
4,4'-Methylenebis(2,6-di-tert-butylphenol)
CAS:
118-82-1
MF:
C29H44O2
Structure:
Chemical Name:
Fluorescent Brightener KS-N
CAS:
5242-49-9
MF:
C29H20N2O2
Structure:
Chemical Name:
1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene
CAS:
13001-38-2
MF:
C24H16N2
Structure:
Chemical Name:
Diethyleneglycol diacetate
CAS:
628-68-2
MF:
C8H14O5
Structure:
Chemical Name:
L-(-)-Malic Acid
CAS:
97-67-6
MF:
C4H6O5
Structure:
Chemical Name:
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
CAS:
131-54-4
MF:
C15 H14 O5
Structure:
Chemical Name:
4,4-Bis(diethylphosphonomethyl)biphenyl
CAS:
17919-34-5
MF:
C22H32O6P2
Structure:
Chemical Name:
ACENAPHTHYLENE
CAS:
208-96-8
MF:
C12H8
Structure:
Chemical Name:
Fluorescent Brightener 135
CAS:
1041-00-5
MF:
C18H14N2O2
Structure:
Chemical Name:
FUMONISIN B2
CAS:
116355-84-1
MF:
C34H59NO14
Structure:
Chemical Name:
AZELAIC ACID DI(2-ETHYLHEXYL) ESTER
CAS:
103-24-2
MF:
C25H48O4
Structure:
Chemical Name:
DIOCTYL FUMARATE
CAS:
141-02-6
MF:
C20H36O4
Structure:
Chemical Name:
Methyl 2-benzoylbenzoate
CAS:
606-28-0
MF:
C15H12O3
Structure:
Chemical Name:
2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
CAS:
1533-45-5
MF:
C28H18N2O2
Structure:
Chemical Name:
Dipropyl adipate
CAS:
106-19-4
MF:
C12H22O4
Structure:
Chemical Name:
Tolyltriazole
CAS:
29385-43-1
MF:
C9H9N3
Structure:
Chemical Name:
Tetraethyleneglycol monododecyl ether
CAS:
5274-68-0
MF:
C20H42O5
Structure:
Chemical Name:
Octocrylene
CAS:
6197-30-4
MF:
C24H27NO2
Structure:
Chemical Name:
2-tert-Butyl-6-methylphenol
CAS:
2219-82-1
MF:
C11H16O
Structure:
Chemical Name:
Etocrilene
CAS:
5232-99-5
MF:
C18H15NO2
Chemical Name:
Polyethylene glycol monolaurate
CAS:
9004-81-3
MF:
C12H23O2.(C2H4O)n.H
Structure:
Chemical Name:
3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid thiodi-2,1-ethanediyl ester
CAS:
41484-35-9
MF:
C38H58O6S
Structure:
Chemical Name:
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
CAS:
7128-64-5
MF:
C26H26N2O2S
Structure:
Chemical Name:
UV-320
CAS:
3846-71-7
MF:
C20H25N3O
Structure:
Chemical Name:
N,N'-Di-2-naphthyl-p-phenylenediamine
CAS:
93-46-9
MF:
C26H20N2
Chemical Name:
Poly(ethylene glycol) dimethacrylate
CAS:
25852-47-5
MF:
(C4H5O).(C2H4O)n.(C4H5O2)
Structure:
Chemical Name:
2-Phenylbenzimidazole-5-sulfonic acid
CAS:
27503-81-7
MF:
C13H10N2O3S
Structure:
Chemical Name:
1H-Benzotriazole
CAS:
95-14-7
MF:
C6H5N3
Structure:
Chemical Name:
hydrazide
CAS:
32687-78-8
MF:
C34H52N2O4
Structure:
Chemical Name:
Antioxidant 1076
CAS:
2082-79-3
MF:
C35H62O3
Structure:
Chemical Name:
Diethylene glycol dibenzoate
CAS:
120-55-8
MF:
C18H18O5
Structure:
Chemical Name:
2,2'-Dihydroxy-4-methoxybenzophenone
CAS:
131-53-3
MF:
C14H12O4
Structure:
Chemical Name:
4,4'-Stilbenedicarboxylic acid
CAS:
100-31-2
MF:
C16H12O4
Structure:
Chemical Name:
Antioxidant 168
CAS:
31570-04-4
MF:
C42H63O3P
Structure:
Chemical Name:
Diisononyl phthalate
CAS:
68515-48-0
MF:
C26H42O4
Structure:
Chemical Name:
Diisononyl phthalate
CAS:
28553-12-0
MF:
C26H42O4
Structure:
Chemical Name:
Cyanuric acid
CAS:
108-80-5
MF:
C3H3N3O3
Chemical Name:
Solvent naphtha
CAS:
64742-94-5
MF:
C9
Structure:
Chemical Name:
Light Stabilizer-944
CAS:
70624-18-9
MF:
C35H69Cl3N8
Structure:
Chemical Name:
Poly(ethylene glycol)
CAS:
25322-68-3
MF:
N/A
Structure:
Chemical Name:
Methoxypolyethylene glycols
CAS:
9004-74-4
MF:
C5H12O3
Structure:
Chemical Name:
Fluorescent Brightener 367
CAS:
5089-22-5
MF:
C24H14N2O2
Structure:
Chemical Name:
Diisooctyl phthalate
CAS:
27554-26-3
MF:
C24H38O4
Structure:
Chemical Name:
Diisopropyl adipate
CAS:
6938-94-9
MF:
C12H22O4