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Chemical Products

Polymer Additives

Antioxidants

ADK STAB AO series (Phenolic Antioxidant)

The specific gravity (25℃/25 ℃), viscosity (25℃) and melting point of properties are representative values. The same below.

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"ADK STAB" is not used as a trademark in USA.

ADK STAB AO-20

CAS:27676-62-6
Properties White powder
M.P.220-222℃
M.W.784
Packaging B/G
20kg
Characteristics and applications ・Excellent resistance to discoloration.
・Low volatility and excellent retention in the polymer.
IUPAC 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione

ADK STAB AO-30

1843-03-4
Properties White powder
M.P. 183-185℃
M.W.545
Packaging B/G
20kg
Characteristics and applications ・Highly efficient radical scavenger due to sterically-less-hindered structure.
・Excellent resistance to extraction.
・For polymers which contain unsaturated bonds such as ABS and elastomers.
IUPAC 4,4',4''-(1-methylpropanyl-3-ylidene)tris(6-tert-butyl-m-cresol)

ADK STAB AO-40

85-60-9
Properties White powder
M.P. 210-214℃
M.W.383
Packaging B/G
20kg
Characteristics and applications ・Highly efficient radical scavenger due to sterically-less-hindered structure.
・Good compatibility with many polymers.
・For polymers which contain unsaturated bonds such as ABS and elastomers.
IUPAC 6,6'-di-tert-butyl-4,4'-butylidenedi-m-cresol

ADK STAB AO-50 / ADK STAB AO-50F

2082-79-3
Properties White powder(F: granule)
M.P. 51-54℃
M.W.531
Packaging B/G
20kg
Characteristics and applications ・Excellent compatibility with many polymers.
・Excellent resistance to discoloration.
IUPAC Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate

ADK STAB AO-60 / ADK STAB AO-60G

6683-19-8
Properties White powder(G: granule)
M.P. 110-130℃
M.W.1178
Packaging B/G
20kg
Characteristics and applications ・Very low volatility and excellent resistance to extraction due to high M.W.
・Excellent processing and long-term heat stabilization.
IUPAC Pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]

ADK STAB AO-80

90498-90-1
Properties White powder
M.P. 110-120℃
M.W.741
Packaging B/G
20kg
Characteristics and applications ・Highly efficient radical scavenger Exceptional processing and long-term heat stabilization
・Excellent resistance to discoloration,
・particularly against NOx gas.
IUPAC 3,9-Bis{2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]-1,1-dimethylethyl}-2,4,8,10-tetraoxaspiro[5.5]undecane

ADK STAB AO-330

1709-70-2
Properties White powder
M.P. 243-245℃
M.W.775
Packaging B/G
20kg
Characteristics and applications ・Low volatility
・Excellent resistance to extraction from the polymer, particularly in hot water.
IUPAC 1,3,5-tris(3,5-di-tert-butyl-4-hydroxyphenylmethyl)-2,4,6-trimethylbenzene

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