The classic cold pad batch dyeing process (cpb) has undergone significant changes since its development during the early sixties and is a culmination of good co-operation between dyestuff producer, dye-house and machine manufacturer. In addition, leading retailers such as Marks & Spencer have provided challenges in respect of new fabric constructions, emerised fabrics and fastness requirements which have given impetus regarding this specific dyeing technology. In this review we will demonstrate the importance of reactive dyestuff diffusion and its significance in producing a superior fabric with better wash and wear fastness performance on both non-surface finished and emerised material.
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