Process for colouring organic material of high molecular weight

Details Process for colouring organic material of high molecular weight Process for colouring organic material of high molecular weight

C - Chemistry, Metallurgy

08

K

8/3, 400/7073

C08K 5/18 (2006.01) C08J 3/20 (2006.01) C08K 5/00 (2006.01) C08K 5/34 (2006.01) C08K 5/3492 (2006.01) C08K 5/37 (2006.01)

Patent

CA 1118134

Abstract of the Disclosure A pr?cess for the mass colouration of organic material of high molecular weight, which comprises the use of a mixture of anthraquinone compounds of the formula Image (1) wherein n is 1 or 2, R, if n is 1, represents a substi- tuted or unsubstituted anthraquinone radical, and, if n is 2, R represents a radical of the formula (2) Image wherein R1 represents hydrogen, alkyl of 1 to 4 carbon atoms, phenyl or methylmercapto as colourant, having good thermostability, solubility when incorporated in the polymer melt, and resistance to the staining of other material during thermofixation.

318029

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