专利汇可以提供Reclamation of vulcanized rubber by microwave irradiation专利检索,专利查询,专利分析的服务。并且PURPOSE: To prepare a reclamined rubber having homogeneous physical properties and improved processability, advantageously in an industrial scale, by mixing the crushed product of a polar vulcanized compounded rubber with a specific amount of a rubber-processing oil and irradiating the mixture with microwave to effect the depolymerization.
CONSTITUTION: 100pts.wt. of crushed polar vulcanized compounded rubber (e.g. tires of automobiles, etc.) is mixed with ≥5pts.wt. of a rubber-processing oil, and irradiated with microwave of frequency 2,450MHz in hot air heated to ≥70°C for about 5min. by a 1.5kW applicator. The product is partially depolymerized in the second hot oven heated to 160°C and thereafter refined by a roller machine to give the desired reclamined rubber.
EFFECT: The surface of the powdery vulcanized rubber is covered with the processing oil having improved heat conductivity by adding the rubber-processing oil, and therefore heating can be performed rapidly and uniformly.
COPYRIGHT: (C)1980,JPO&Japio,下面是Reclamation of vulcanized rubber by microwave irradiation专利的具体信息内容。
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