Noncrystalline tris(4-hydroxy-2-methyl-5-tert. butylphenyl) buta

Details Noncrystalline tris(4-hydroxy-2-methyl-5-tert. butylphenyl) buta Noncrystalline tris(4-hydroxy-2-methyl-5-tert. butylphenyl) buta

1987-11-27

1989-01-31

Lone, Werren B.

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

Organic compounds

Oxygen containing

568724, C07C 3916

Patent

active

048017574

ABSTRACT:
A noncrystalline 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane having an amorphous X-ray defraction pattern and a melt transition temperature of 113.degree.-119.degree. C. is made by an improved process and offers improvements over crystalline materials as a stabilizer of resins made from at least one ethylenically unsaturated monomer such as polypropylene.

REFERENCES:
patent: 3239185 (1965-07-01), Ranson
patent: 3239484 (1966-03-01), Stark
patent: 4319051 (1982-03-01), Suenobu et al.
patent: 4467119 (1984-08-01), Thomas
Kahovec et al, "Coll. Czech. Chem. Comm" vol. 33 (1969), pp. 1709-1729.

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