Tetrakis ¬3-(3,5-di-tert. butyl-4-hydroxyphenyl)...

Details Tetrakis ¬3-(3,5-di-tert. butyl-4-hydroxyphenyl)... Tetrakis ¬3-(3,5-di-tert. butyl-4-hydroxyphenyl)...

C - Chemistry, Metallurgy

07

C

400/7107, 260/47

C07C 67/52 (2006.01) C07C 69/732 (2006.01) C08K 5/13 (2006.01) C08K 5/134 (2006.01)

Patent

CA 1282427

"TETRAKIS[3-(3,5-DI-TERT.BUTYL-4-HYDROXYPHENYL)PROPIONYL- OXYMETHYL]METHANE WITH AMORPHOUS STRUCTURE, PROCESS FOR ITS PREPARATION AND ITS USE AS A STABILIZER" Abstract Tetrakis[3-(3,5-di-tert.butyl-4-hydroxyphenyl)-pro- pionyl-oxymethyl]methane with amorphous structure, with glass transition temperature T comprised within the range of from about 40°C to 50°C and free from endo- thermic melting peaks at temperatures higher than 50°C and of up to 200°C is obtained by means of the melting of crystalline tetrakist3-(3,5-di-tert.butyl-4-hydroxyphen- yl)-propionyl-oxymethyl]methane and sudden cooling of the molten material.

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