System 4 wherein said polymer composition includes an additive and at least some of said additive is placed on {HEAD ~ the surface} of {TAIL ~ the encapsulated structural elements} and at least some of said additive is placed on one or both surfaces of the internal layer 
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System 4 wherein said polymer composition includes an additive and at least some of said additive is placed on { HEAD ~ the surface } of { TAIL ~ the encapsulated structural elements } and at least some of said additive is placed on one or both surfaces of the internal layer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH