| 摘要 |
<p>A new process for preparing, by means of a paper manufacturing technique, a thermoplastic sheet reinforced with cellulose fibers, wherein a thermoplastic powder and cellulose fibers are used in association, if necessary with other fibers said process being characterized in that (1) an aqueous suspension is prepared from a base mixture (selected among (i) the fibers and the pulverulent thermoplastic substance when there is no non-binding mineral charge, and (ii) the fibers, the pulverulent thermoplastic substance and the non-binding mineral charge when the latter is present), an organic binder and a flocculating agent, and by means of the suspension thus obtained, a sheet is formed by wet process, and it is then wrung and dried and (2) if necessary, the thermoplastic sheet thus obtained is subjected to at least a complementary treatment, the weight ratio of pulverulent thermoplastic substance to fibers being comprised between .3 and 95. Thermoplastic reinforced sheet as a new industrial product and application thereof particularly in the field of transformation of plastic materials. </p> |
