| 摘要 |
FIELD: rubber industry. ^ SUBSTANCE: method consists in coagulation of latex with sodium chloride and mineral acid and is characterized by that mineral acid utilized is fiber-acidifying composite obtained by treating fibrous material for 10-60 min with sulfuric acid at 40-80°C, amount of the acid constituting 0.1 to 1.0% on the weight of rubber. ^ EFFECT: stabilized recovery process, reduced loss of rubber with produced rubber crumb, and weakened environmental pollution with rubber products. ^ 4 tbl, 9 ex |
