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 a base layer having an elastic modulus of 1 GPa and a foamable layer bonded to the base layer, wherein the foamable layer comprises: 100 parts by weight of a polyolefin material having an elastic modulus of 0.1 GPa; 0.1 to 10 parts by weight of a foaming agent; And 0 to 200 parts by weight of an additive, and has a thickness of 0.05 to 0.3 mm.