Carpet backing precoat is manufactured from polyurethane formulations containing fly ash, foam coat and laminate Court

摘要

(57) [Abstract] The present invention is a polyurethane carpet backing prepared from a polyurethane-forming composition containing as a filler fly ash. It is possible to achieve a high addition amount of fly ash without harm to the process of producing a polyurethane carpet backing or without adversely affecting the physical properties of the carpet backing.