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Abstract A novel food-grade room-temperature vulcanized silicone rubber was prepared using vinyl silicone oil-based rubber, hydrogen-containing silicone oil, hydrogen-containing silicone oil, platinum catalyst, and diallyl maleate as raw materials. In addition, through the proportion of each component to improve the adjustment and optimization of the mechanical properties of silicone rubber, the best solution for silicone rubber was determined. When the content of the vinyl silicone oil, the hydrogen containing silicone oil, the terminal hydrogen containing silicone oil, platinum catalyst, and the inhibitor diallyl maleate are 60, 2.0, 0.8, 2×10-6, and 2×10-6 phr, the mechanical properties of the silicone rubber are optimal in all aspects. Finally, the silicone rubber has been tested by the US FDA standard (FDA 21CFR 177.2600), which shows that the silicone rubber reaches food grade.
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Received: 08 January 2021
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2020, Vol. 33 
