MULTILAYER ROTATIONAL MOULDING

摘要

This invention discloses a multilayer article prepared by rotational moulding that comprises: a) a layer A that is a polyolefin(PO)-based layer prepared from a composition comprising: - from 40 to 100 wt% of polyolefin (PO) or a mixture thereof and - from 60 to 0 wt% of a functionalised polyolefin (FPO) or of a PO grafted to a non-polyolefin (NPO) in the form of a block copolymer (PO)g-NPO); b) a layer B comprising: - a PO that is dissimilar from that of layer A or a NPO or a mixture thereof; - optionally a FPO or a (PO-g-NPO); c) optionally a layer C prepared from a polymer that is dissimilar from that of layer A and that is similar to or dissimilar from that of layer B and is adjacent to layer A and/or layer B and, if present, is characterised in that it has good adhesion to layer A and/or to layer B and is not a blend of layer A and layer B. It also discloses a method for preparing these articles.