Lubricant Additives

Antioxidants 15

3,5-Di-

tert

-butyl-4-hydroxyhydrocinnamic

acid, C

–C 7

alkyl ester 9

O C

− 7

C^9

O

HO

Liquid at 25°C

>

5

Engine oils, power transmission fl

uids,

industrial oils

3,5-Di-

tert

-butyl-4-hydrocinnamic acid,

C^13

–C

alkyl ester 15

HO

OC

13

−

C

15

O

Liquid at 25°C

>

5

Engine oils, power transmission fl

uids,

industrial oils

4,4

′-Methylene bis(2,6-di-

tert

-butylphenol)

CH

2

OH

HO

154

NA

Engine oils, industrial oils, food grade lubricants, greases

2,2

′-Methylene

bis(4-methyl-6-

tert

-butylphenol)

OH

CH

2

OH

128

2–5

Engine oils, industrial oils, greases

2-Propenoic acid, 3-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-1,6-hexanediyl ester

CH CH C

O

O

HO

C 2

H 6

12

105

<

1

Industrial oils, greases, food grade lubricants