Ultraviolet ray-absorbing aromatic compound and polymeric compos

Details Ultraviolet ray-absorbing aromatic compound and polymeric compos Ultraviolet ray-absorbing aromatic compound and polymeric compos

1994-09-13

1996-07-02

Kumar, Shailendra

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

Organic compounds

Amino nitrogen containing

564154, 564155, 564156, 524223, C07C23365

Patent

active

055324126

ABSTRACT:
An aromatic o-hydroxyamide compound of the formula (I) ##STR1## wherein the formula: ##STR2## is a divalent aromatic group the formula: ##STR3## R.sup.1 =H, halogen, C.sub.1-10 alkyl group, or C.sub.1 -alkoxyl group, Ar.sub.1, Ar.sub.2, Ar.sub.3 =a divalent aromatic groups, X, Y=O or S, and n=0 or 1, has an excellent ultraviolet ray-absorption and heat-resistance and is useful for enhancing an ultraviolet ray-resistance of polymeric materials, for example, wholly aromatic polyamide fibers.

REFERENCES:
Derwent Abstract, JP-A-5 009 293, Teigin Ltd., Jan. 19, 1993.
Chemical Abstracts, vol. 73, No. 14, p. 52, Abstract 67646R, A. Cernaiani, Oct. 5, 1970, "Dyes, Fluorescent Whitening Agents".
Chemical Abstracts, vol. 71, No. 18, p. 37, Abstract No. 82123v, P. M. Bogatyrev, Nov. 3, 1969, "Plastics: Manufacture & Processing".
Chemical Abstracts, vo. 72, No. 24, p. 83, Abstract No. 26705-19-1, T Kuroda et al., Jun. 15, 1970, "Dyes".
Kuroda et al, Kogyo Kogaku Zasshi, 72(6), 1331-6, 1969.

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