Patent ID: 6555683
Filing Date: 2003-04-29
Classification: C04B,C08G

Abstract:
Condensation product based on amino-s-triazines with at least two amino groups, formaldehyde and sulphite, wherein the mole ratio of amino-s-triazine to formaldehyde to sulphite is 1:2.5 to 6.0:1.51 to 2.0 and the mole ratio of formaldehyde:sulphite is 1.8 to 2.4:1 and the formate content is less than 0.3% by weight, wherein up to 50 mole % of the amino-s-triazine can be replaced by other aminoplast formers selected from the group urea, thiourea, dicyanodiamide or guanidine (salts).