antioxidant sp styrenated phenol content

CN102267876B

The present invention is a hindered phenol or styrenated preparing styrenated phenolic antioxidant products process for preparing the polymer belongs to the field of antioxidant products O-tert-butylphenol or phenol p-cresol o-cresol m-cresol as a raw material styrene as an alkylating agent an organic acid compound as the catalyst a small amount of a polymerization inhibitor

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HTNR was prepared in the laboratory according to the

Fig 1 shows the TLC of phenol styrenated phenol (SP) diphenylamine (DA) HTNR phenol bound to HTNR (HTNR-phenol) styrenated phenol bound to HTNR (HTNR-SP) and diphenylamine bound to HTNR (HTNR-DA) HTNR was not coloured by Br2 and KI or ninhydrin but the HTNR-SP 18 16 C 2 14 u v 12 0 10 u 8 6 ciC D Fig 1

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Insoluble Sulphur Manufacturers Suppliers

We're well-known as one of the leading insoluble sulphur manufacturers and suppliers in China for our quality products and good service Please feel free to buy bulk insoluble sulphur made in China here from our factory For price consultation contact us

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Lubricant compositions stabilized with styrenated phenolic

Compositions are disclosed that comprise a lubricant at least a first antioxidant and an optional second antioxidant the first antioxidant being a styrenated phenolic antioxidant and the optional second antioxidant a secondary diarylamine for synergistic antioxidant action Also disclosed is a method of increasing the oxidation stability of lubricating oils comprising: adding thereto at

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Antioxidant SP

Sunnyjoint Antioxidant SP Light yellow transparent viscous liquid boiling point higher than 250 C flash point greater than 182 C insoluble in water and gasoline soluble in organic solvents such as benzene toluene acetone and aliphatic hydrocarbons trichloroethane

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Synthesis Characterisation and Uses ofPolymer

e) Vulkanox SP Commercial phenolic type antioxidant vulkanox SP (Mixture of styrenated phenols) was obtained from Bayer India Ltd f) Phenol S D FineChemicals India suppliedphenol Ithada meltingpointof 41C g) 2 6 di-tbutyl4-methylphenol 2 6 di-t-butyl-4-methylphenol was suppliedby SOHlaboratoriesIndia Ltd h) Diphenylamine

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A Highly Selective Synthetic Method for Distyrenated Phenol

mono-styrenated phenol content and has a possibility to cause the yellowing of styrenated phenol due to residual phenol Therefore it is required to seek a new synthesis method using a new catalyst which will minimize residual phenol and increase the selection ratio of DSP In this study the composition of the styrenated phenol

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White Chemical Abs Phenolic Antioxidants

Phenol content ≤0 03% Moisture ≤ 0 2% Density phenolic antioxidants 264 hindered phenol antioxidant styrenated phenol China nonyl phenol China rubber antioxidant sp China rubber antioxidant 4020 China antioxidant ippd 4010 China rubber antioxidant ippd China rubber antioxidant

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Tri Nonyl Phenyl Phosphite

Description Tri Nonyl phenyl phosphite is a clear viscous hydrolytically stable liquid It is used as an anti-oxidant for various types of polymers especially in non-toxic applications such as PVC bottles food wrapping sealing gaskets for food containers etc

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Global Antioxidant SP Market 2019

Global Antioxidant SP (Styrenated phenol CAS 61788-44-1) Market Report 2019 - Market Size Share Price Trend and Forecast is a professional and in-depth study on the current state of the global Antioxidant SP (Styrenated phenol CAS 61788-44-1) industry The key insights of the report: 1

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Global Antioxidant SP Market 2019

Global Antioxidant SP (Styrenated phenol CAS 61788-44-1) Market Report 2019 - Market Size Share Price Trend and Forecast is a professional and in-depth study on the current state of the global Antioxidant SP (Styrenated phenol CAS 61788-44-1) industry The key insights of the report: 1

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Styrenated Phenol

Styrene and phenol are reacted in a controlled way to prepare styrenated phenol Because of presence of a number of aromatic rings it is a highly effective antioxidant for rubbers The reaction conditions are controlled very well so that the resulting product is pale yellow in colour and can be used even in light coloured rubber applications

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