Antioxidants for thermoplastic styrene-butadiene block copolymers
A styrene-butadiene block and antioxidant technology is applied in the field of antioxidants for thermoplastic styrene-butadiene block copolymers, and achieves the effects of convenient use, low addition cost and good protection
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example 1
[0022] Weigh the sample 4-hydroxy-3,5-di-tert-butylphenylpropionic acid C7-C9 mixed alcohol ester (antioxidant 1135) 18g (1.8 parts), 2-methyl-4,6-di(octylthiomethyl ) 10g (1.0 parts) of phenol, 8g (0.8 parts) of the reaction product of N‐phenylaniline and 2,4,4‐trimethylpentene (antioxidant 5057) to make compound antioxidant 1#.
example 2
[0024] Weigh the sample 4‐hydroxy‐3,5‐di-tert-butylphenylpropionic acid C7‐C9 mixed alcohol ester 18g (1.8 parts), 2‐methyl‐4,6‐di(octylthiomethyl)phenol 10g (1.0 Parts), N-phenylaniline and 2,4,4-trimethylpentene reaction product 12g (1.2 parts), made of compound antioxidant 2#.
example 3
[0026] Weigh the sample 4-hydroxy-3,5-di-tert-butylphenylpropionic acid C7-9 mixed alcohol ester 22g (2.2 parts), 2-methyl-4,6-bis(octylthiomethyl)phenol 10g (1.0 Parts), N-phenylaniline and 2,4,4-trimethylpentene reaction product 12g (1.2 parts), made of compound antioxidant 3#.
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