4,4-Thio-bis-(dialkylphenol)/formaldehyde condensates

Details 4,4-Thio-bis-(dialkylphenol)/formaldehyde condensates 4,4-Thio-bis-(dialkylphenol)/formaldehyde condensates

1977-09-30

1979-01-16

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 4595R, 260 4595C, C08L 2306, C08L 6112

Patent

active

041349334

ABSTRACT:
A phenol/formaldehyde condensation product of a 4,4'-thio-bis-(dialkylphenol) and formaldehyde having a molecular weight of 1,000 to 4,000; a process for preparing such a condensation product by contacting 4,4'-thio-bis-(dialkylphenol) and a source of formaldehyde in the presence of a protonic acid catalyst; and the use of such a condensation product as an antioxidant in an olefin polymer or copolymer composition.

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Chem. Absts. 81: 121646w, Bair et al., "Chemical and Physical Depletion of an Antioxidant from Polyethylene at Low Temp."
Chem. Absts. 81: 64678g, Yoshiura et al., "Stabilized Polyolefin Compsitions".
Chem. Absts. 84:

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