Silica gel ovenware and its preparing process
A baking pan and silica gel technology, which is applied to baking plates/tables, special containers for baking, household appliances, etc., can solve the problems of poor thermal conductivity, and the appearance, color and taste of cakes are difficult to achieve ideal results.
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Embodiment 1
[0024] The preparation method of the silicone baking pan includes the following technical steps: (1) adding aluminum powder accounting for 5% of the total product weight and 1% of the total product weight to the commercially available high-temperature vulcanized and kneaded silicone rubber with a hardness of 70 degrees The carbon black is used as a colorant and a C-5 (double 2,5) vulcanizing agent, which accounts for 1% of the total weight of the product, is mixed into a solid silicone rubber compound by an open mill;
[0025] (2) Slice the solid silicone rubber compound into films with a thickness of 3 mm, put it into a baking pan mold on a molding press with a pressure of 200 tons, and continue to pressurize it at a high temperature of 170 ° C for 300 seconds to make a baking pan blank ;
[0026] (3) Trimming the formed baking pan blank to remove burrs, and making a silicone baking pan through secondary vulcanization at a high temperature of 200° C. for 4 hours.
Embodiment 2
[0028] The preparation method of the silicone baking pan includes the following technical steps:
[0029] (1) The commercially available AB two-component liquid silicone rubber with a hardness of 70 degrees is added into the A agent and the B agent, respectively, adding aluminum powder that accounts for 5% of the total product weight, mixed into the mixer, and then adds 1% of the total product weight. Carbon black is used as a pigment, and it is fully stirred and processed into liquid silicone rubber (LSR);
[0030] (2) The liquid silicone rubber is injected into the baking pan mold on the molding machine with a pressure of 100 tons through a horizontal injection machine, and is continuously pressurized at a high temperature of 130 ° C for 80 seconds to make a baking pan;
[0031] (3) Trimming the formed baking pan blank to remove burrs, and making a silicone baking pan through secondary vulcanization at a high temperature of 200° C. for 4 hours.
[0032] Compared with the pr...
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