Composite sheet and manufacturing method for a foamed decorative sheet free of PVC and plasticizers

摘要

The present invention relates to a composite sheet comprising or consisting of (i) a base layer; and (ii) a foamable layer bond to the base layer. The foamable layer comprises or consists of 100 parts by weight of a polyolefin material having an elastic modulus of 0.1 GPa, 0.1 - 10 parts by weight of a foaming agent; and 0 - 200 parts by weight of additives. The foamable layer has a thickness of 0.05 to 0.3 mm. The invention further refers to a manufacturing process for a decorative sheet using the composite sheet.