. . . . . "For example, the first polymer, which is preferably non-polar, can be, for example, a polyester, polyolefin, and the like, and the second polymer, which is preferably polar, can be rubber, a polyurethane, a copolyolefin, polystyrene, polyvinyl chloride, polyethylene, copolyesters such as polyethylene terephthalate, and the like." . . . . . .