Tetrakis(3-(3,5-di-tert.buyl-4-hydroxyphenyl)propionyl-oxymethyl

Details Tetrakis(3-(3,5-di-tert.buyl-4-hydroxyphenyl)propionyl-oxymethyl Tetrakis(3-(3,5-di-tert.buyl-4-hydroxyphenyl)propionyl-oxymethyl

1987-07-17

1989-12-12

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6976

Patent

active

048869007

ABSTRACT:
Tetrakis[3,5-di-tert.butyl-4-hydroxyphenyl)-propionyl-oxymethyl]methane with amorphous structure, with glass transition temperature T.sub.g comprised within the range of from about 40.degree. C. to 50.degree. C. and free from endothermic melting peaks at temperatures higher than 50.degree. C. and of up to 200.degree. C. is obtained by means of the melting of crystalline tetrakis[3-(3,5-di-tert.butyl-4-hydroxyphenul)-propionyl-oxymethyl]methane and sudden cooling of the molten material.

REFERENCES:
patent: 4683326 (1987-07-01), Orban et al.

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