| 摘要 |
<p>Granulate (I) contg. filler fibres (II), esp. for introducing (II) into bitumen compsns., contains a binder (III), which loses its binding action in liquid bitumen, and (II). Pref., the min. wt. fraction of (III) is 1/5, and partic. 1/2 and the max. wt. fraction of (II) 4/5, and partic. 1/2 of the total wt. of (I), the (II):(III) ratio pref. being 1:1. (III) have an average length of 0.01-6, pref. 0.5-3 mm and consist of vegetable fibres, pref. cotton, linters, fibres made from wood or cellulose fibres, esp. ground, finely fibrillated cellulose fibres. (II) is bitumen.</p> |
