Using recycled plasticiser-contg. PVB - in mfr. of floor coverings with fillers, auxiliary aids and polyacrylate

摘要

Use of recycled plasticiser-contg. polyvinyl-butyral as raw material in the mfr. of floor coverings (I) contg. usual fillers and auxiliary aids comprises a compsn. contg. 5-20% polyacrylate. Also claimed are: (i) (I); (ii) prepn. of (I) comprising mfg. the PVB-contg. layer by calendaring and the layers are joined using a plastisole or by duplicating or triplicating of corresp. layers. ADVANTAGE - The recycled PVB prods. are stronger and more water-resistant than the original PVB