| abstract |
Polyolefin containing compositions with increased adhesion suitable for bonding to metals, such as steel, or polymers such as polyamides or EVOH, and to polyethylene eg to form layered structures or coated pipes, comprise A, a high density polyethylene grafted with an unsaturated carboxylic acid or derivative and B, a very low density polyethylene and preferably either consist essentially of A and B or also comprise C another polyolefin, eg HDPE or LDPE. |