| 摘要 |
<p>Composite yarn (I) comprising a continuous thread of inorganic or organic material coated with, covered with, extruded in or otherwise incorporated into a polymeric matrix, in which the matrix contains at least one foamed polymer. - Independent claims are also included for - (1) a method (M1) for the production of (I) from continuous thread (II) obtained by spinning organic, inorganic or natural fibres, by coating (II) with a polymeric material containing a foaming system (III) - (2) a method (M2) for the production of (I), involving method M1 as above followed by a second stage of coating with or extrusion in a polymeric material (IV) with or without a foaming system - (3) a method (M3) involving extrusion of (II) in material (III) - (4) a method (M4) involving (M3) as above followed by coating with or extrusion in (IV) - (5) a method (M5) involving mechanical opening and separation of the fibres in (II) before or during coating with or extrusion in (III) - (6) a method (M6) involving opening/separation as in M5 before or during primary coating with a liquid monomer preparation or liquid polymer containing a foaming system, or before extrusion in (III), followed by a second coating with or extrusion in (I V)</p> |
