Silicone rubber nanocomposite material for door sealing ring of drum washing machine and preparation method thereof

Abstract

The invention discloses a silicone rubber nano-composite material for roller washing machine door sealing rings and a preparation method thereof. The preparation method of the silicone rubber nano-composite material for the roller washing machine door sealing rings comprises adding acetone into silicone rubber during mixing to form an acetone-methyl vinyl silicone rubber emulsion; mixing and dispersing inorganic nonmetallic nano-filler into dispersing agent, and then mixing in surfactant to obtain a mixed dispersion; adding the mixed dispersion into the acetone-methyl vinyl silicone rubber emulsion for high-speed shearing and uniform mixing to obtain a silicone rubber mixed emulsion containing the inorganic nonmetallic nano-filler; adding sulfurizing agent and catalysts into the silicone rubber mixed emulsion, then injecting the mixture into a hot die for shaping, preserving heat at 55-65 DEG C, and heating the die to 160-175 DEG C. The silicone rubber nano-composite material for the roller washing machine door sealing rings is high in bacteria killing and inhibiting efficiency, wide in sterilization range, short in action time, high in safety, capable of achieving self-cleaning effects and highly applicable to manufacturing the roller washing machine door sealing rings.

Description

technical field [0001] The invention relates to a material for a door sealing ring of a drum washing machine, in particular to a silicone rubber nanocomposite material with sterilizing and self-cleaning functions for the door sealing ring of a drum washing machine and a preparation method thereof. Background technique [0002] With the continuous improvement of people's quality of life, the popularity of washing machines is getting higher and higher. Fully automatic washing machines (including pulsators and drums) are the first choice of many home users because of their high cleaning ratio, fast washing time, and ease of use. In the drum washing machine, a door sealing ring is installed between the washing tub and the door of the washing machine for picking and placing clothes. When the washing machine is working normally, the other end of the door sealing ring is used to fit the glass of the washing machine door to form a seal, so as to ensure the door sealing ring and the ...

AI Technical Summary

Problems solved by technology

But there is a major defect in the current drum washing machine: in actual use, the water or foam during washing and the dirt left after washing are easy to accumulate in the drain at the lower end of the door seal ring and in the folds of other parts, which can easily cause bacteria to breed , not only affects the washing effect, but also forms the pollution source of the washing machine itself, which seriously affects the washing quality of the washing machine and people's healthy life

This technology is to keep the seal ring clean from the perspective of improving the structural design of the seal ring. The seal ring disclosed in this patent is provided with a drain pipe at the bottom of its body and extends the drain pipe into the inside of the outer cylinder, although the seal ring can The accumulated water can be discharged into the outer cylinder through the drain pipe to prevent the accumulated water from entering the gap between the sealing ring and the outer cylinder during drainage. However, due to the hydrophilicity of the sealing ring itself, there will still be a small amount of water during the drainage process. and dirt remain on the sealing ring, and the residual moisture is still the source of bacterial growth; although the sealing ring disclosed in this patent does not use additional auxiliary cleaning devices to keep the sealing ring itself clean, its cleaning effect needs to be improved, and it does not have antibacterial and antibacterial properties. Bacteria function, no self-cleaning function

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