Porous silicon rubber thin film containing graphene as well as preparation method and application thereof
A rubber film and graphene technology, applied in medical science, bandages, prostheses, etc., to achieve the effects of good product safety, avoid bacterial infection, and promote wound healing
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[0039] Example 1
[0040] Add 4g medical liquid high temperature curing silicone rubber K-1008A / B resin (A:B=1:1), 3.2g liquid paraffin and 0.04g multilayer graphene into 8.8g tetrahydrofuran, stir and dissolve at room temperature to obtain a uniform composition. Membrane liquid, stand or vacuum defoaming for 5min. Coat the film on a polytetrafluoroethylene plate with a film applicator, and leave it naturally for 60 minutes at 25°C. The solvent volatilizes and causes phase separation. Next, the embryo film was cured at 100°C for 20 minutes. After the silicone rubber was cured, the silicone rubber film was removed from the PTFE plate and soaked in n-hexane at 65°C for 4 days. The solution was changed every day. After 4 days, take out the silicone rubber film from n-hexane, soak in ethanol to remove n-hexane, take out the film from ethanol, and place it at room temperature. After the ethanol is completely volatilized, a graphene-containing porous silicone rubber film with a fil...
Example Embodiment
[0041] Example 2
[0042] Add 4g of medical liquid high temperature curing silicone rubber K-1008A / B resin (A:B=1:1), 3.2g of liquid paraffin and 0.04g of single-layer graphene into 8.8g of tetrahydrofuran, stir and dissolve at room temperature to obtain a uniform composition. Membrane liquid, stand or vacuum defoaming for 5min. Coat the film on a polytetrafluoroethylene plate with a film applicator, and leave it naturally for 60 minutes at 25°C. The solvent volatilizes and causes phase separation. Next, the embryo film was cured at 100°C for 20 minutes. After the silicone rubber was cured, the silicone rubber film was removed from the PTFE plate and soaked in n-hexane at 65°C for 4 days. The solution was changed every day. After 4 days, take out the silicone rubber film from n-hexane, soak in ethanol to remove n-hexane, take out the film from ethanol, and place it at room temperature. After the ethanol is completely volatilized, a graphene-containing porous silicone rubber f...
Example Embodiment
[0043] Example 3
[0044]Add 4g medical liquid high temperature curing silicone rubber K-1008A / B resin (A:B=1:1), 3.2g liquid paraffin and 0.04g graphene oxide into 8.8g tetrahydrofuran, stir and dissolve at room temperature to obtain uniform film formation liquid, stand or vacuum defoaming for 5min. Coat the film on a polytetrafluoroethylene plate with a film applicator, and leave it naturally for 60 minutes at 25°C. The solvent volatilizes and causes phase separation. Next, the embryo film was cured at 100°C for 20 minutes. After the silicone rubber was cured, the silicone rubber film was removed from the PTFE plate and soaked in n-hexane at 65°C for 4 days. The solution was changed every day. After 4 days, take out the silicone rubber film from n-hexane, soak in ethanol to remove n-hexane, take out the film from ethanol, and place it at room temperature. After the ethanol is completely volatilized, a graphene-containing porous silicone rubber film with a film thickness of ...
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