摘要:
The invention relates to water-dilutable binders for fibrous materials which are compositions AB comprising mixtures of amino resins A made from a dialdehyde A2 and an aminoplast former A1 , with a reaction product B of a carbohydrate B1 having free hydroxyl groups and an anhydride B2 of a polycarboxylic acid, to a process for its preparation, and to a method of use thereof as binder for mineral fibres.
摘要:
A curable formaldehyde-free binding composition for use with fiberglass is provided Such curable composition comprises an addition product of an amine and a reactant to form an ammo-amide intermediate To the ammo-amide is added an aldehyde or ketone to form the curable binder composition The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products