| 摘要 |
<p>Ascon having durabilities was prepared by adding a waste resin in a main component containing coal tar and crushed stone. The process comprises following steps; 1) a cutting process of the waste thermoplastic resin(A), washing and removing dust on the surface of the resin(B), a drying process of the waste resin by blowing(C), a dust removing process of the dried waste resin(D), a shrinking process of the waste resin by hot blast(E), an extruding process of the shrunken waste resin to give a regenerated resin(F) a fusion and agitation process of 10- 20 wt.% of the regenerated resin and 90- 80 wt.% of ascon to give the ascon containing waste resin.</p> |
