Polyhydric phenol compound and method of producing same
AssigneeMitsubishi Chemical Corporation
InventorsTakeshi Nakamura, Yoshie Takami, Tomoko Maeda, Naoko Sumitani, Hiroki Shibata, Toshiki Monden
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AssigneeMitsubishi Chemical Corporation
InventorsTakeshi Nakamura, Yoshie Takami, Tomoko Maeda, Naoko Sumitani, Hiroki Shibata, Toshiki Monden
Estimating the term…
The present invention provides a polyhydric phenol compound which has an excellent alkali resistance and which does not cause a deterioration in color even when used as a resin raw material or a color developer. The polyhydric phenol compound includes: a bisphenol compound (A) represented by the following Formula (1) and a trisphenol compound (B) represented by the following Formula (2): [wherein R1 represents a monovalent aliphatic hydrocarbon group having from 6 to 24 carbon atoms; each of R2, R3, R4, R5 and R6 represents a monovalent hydrocarbon group having from 1 to 15 carbon atoms; and each of a, b, c, d and e represents an integer from 0 to 4]; wherein the trisphenol compound (B) is contained in an amount, in terms of absorption intensity ratio at 254 nm, of less than 1.6% by area with respect to the amount of the bisphenol compound (A).
A mixture of polyhydric phenol compounds comprising:
Dependencies are inferred from the claim text.