Co-condensate and method for producing the same, and rubber composition containing the same

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United States of America Patent

PATENT NO 9862794
SERIAL NO

14779922

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Abstract

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The present invention provides a co-condensate containing a structural unit derived from p-tert-butylphenol, a structural unit derived from o-phenylphenol, and a structural unit derived from resorcin, and having a softening point of 150° C. or lower; a method for producing the co-condensate including reacting a mixture of p-tert-butylphenol and o-phenylphenol with formaldehyde in the presence of an alkali, and then reacting resorcin in a 0.8-fold molar amount or more relative to a total amount of p-tert-butylphenol and o-phenylphenol; and a rubber composition containing the co-condensate.

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Patent Owner(s)

Patent OwnerAddress
TAOKA CHEMICAL CO LTDOSAKA-SHI OSAKA 532-0006

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsui, Kazuhiro Osaka, JP 77 1343
Ota, Yoshiteru Osaka, JP 1 0
Sato, Nobuyuki Osaka, JP 135 1474

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