A kind of antibacterial antiviral agent, antibacterial antifungal antiviral leather and its preparation method and application
An antibacterial, mildew-proof, and anti-viral agent technology, applied in the field of anti-bacterial, anti-mold, anti-virus leather and its preparation, antibacterial and anti-viral agents, can solve the problem of poor antibacterial persistence of antibacterial leather, inability to achieve consistent effects of various bacteria and viruses, and long-lasting antibacterial To achieve the effect of improving antibacterial, anti-mildew and anti-virus effects, broad-spectrum and long-lasting anti-bacterial, anti-mold and anti-virus performance
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Examples
preparation example 1-3 and comparative preparation example 1-5
[0100] Each preparation example provides an antibacterial and antiviral agent, and the formula of each preparation example by weight parts is shown in the following table 1 (as in table 1, "4" represents that the content of the corresponding component is 4 parts by weight):
[0101] Table 1
[0102]
[0103]
[0104] The antibacterial and antiviral agent is prepared by the following preparation method: first mix silver-doped nano-bismuth tungstate, silver-doped nano-titanium dioxide, erbium-doped nano-titanium dioxide, dispersant A and water, heat to 90° C. and ultrasonically for 30 minutes, Add chitosan and plant extract and mix to obtain the antibacterial and antiviral agent.
preparation example 9-14
[0106] Preparation examples 9-14 provide antibacterial and antiviral suspensions, and the formulas of each preparation example in parts by weight are shown in Table 2 below (as in Table 1, "4" represents that the content of the corresponding component is 4 parts by weight):
[0107] Table 2
[0108] Nano silver sol Nano Zirconia Nano bismuth tungstate Dispersant B water Preparation Example 4 4 2 2 0.4 72 Preparation Example 5 2 2 4 0.5 62 Preparation example 6 6 1 1 0.6 78 Preparation Example 7 0 4 4 0.4 72 Preparation example 8 5 0 3 0.4 72 Preparation Example 9 5 3 0 0.4 72
[0109] The antibacterial and antiviral suspension is prepared by the following preparation method: mixing nano-silver sol, nano-zirconia, nano-bismuth tungstate, dispersant B and water, heating to 90°C and ultrasonicating for 30 minutes, to obtain the antibacterial and anti-viral suspension suspension.
Embodiment 1
[0111] This embodiment provides an antibacterial, mildew-proof and anti-virus leather. The raw materials for the preparation of the leather include: 100 parts of cattle leather, 0.5 parts of leather degreasing agent, 5.5 parts of formic acid, 2 parts of vegetable tanning agent, and the antibacterial and disease-resistant leather provided in Preparation Example 1. 5 parts of poison, 1 part of dyestuff, 0.5 part of leveling agent and 20 parts of antibacterial and antiviral suspensions that preparation example 4 provides.
[0112] The preparation method of the antibacterial, mildew-proof and anti-virus leather provided by the present embodiment comprises the following steps:
[0113] (1) Pretreatment: Put 100 parts of yellow cow leather in a drum and mix it with 100 parts of water, heat it in a water bath at 40°C, then add 0.5 parts of leather degreasing agent and 1 part of formic acid, and rotate for 60 minutes. Wash with water to obtain degreased animal skin; put the degreased ...
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