| 摘要 |
<p>A construction material and a process for the preparation thereof, which material comprises a plastic component constituted of a thermoplastic resin; and a filler component constituted of a mineral and/or organic filler at least equal in weight to the amount of the plastic component and the individual particles of which are coated or encapsulated with a polyethylene or polypropylene wax having a molecular weight of from 1,000 to 10,000, a thermofluid high molecular weight polymer, or a silicate coating. The composite material is low in cost and may be processed by conventional techniques, e.g., by molding, extrusion or machining, to produce a variety of useful products.</p> |
