Long-acting microbial protection composition and preparation method thereof
A technology of microorganisms and compositions, applied in the field of daily chemical products, can solve the problems of poor adhesion of chitosan, no microorganisms, low retention rate, etc., to improve the antibacterial and antiviral effects, improve the effective time, and improve the retention rate. Effect
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Embodiment 1
[0059] Embodiment 1 The first aspect provides a kind of long-acting microbial protection composition, and raw material comprises following parts by weight: nano-silver sol (average fineness of silver particle is 5nm; Concentration is 100ppm) 15 parts, polyurethane emulsion 30 parts, propylene glycol 35 parts 10 parts of modified guanidine salt (average fineness is 25nm), 6 parts of dopamine hydrochloride, 3.5 parts of ammonia water, and 150 parts of deionized water.
[0060] In the present embodiment, the preparation step of modified guanidinium salt comprises the following steps (in parts by weight): (1) 15 parts of benzyl chloride are dissolved in 30 parts of absolute ethanol, and stirred evenly to obtain a preparatory solution, and 30 parts of Dissolve 100 parts of polyhexamethylene biguanide hydrochloride in 100 parts of deionized water, and stir evenly to obtain a guanidine salt solution; (2) control the temperature of the guanidine salt solution to 60°C, stir and add the ...
Embodiment 2
[0067] The specific implementation method of this embodiment is the same as that of embodiment 1, the difference is that: the nano-silver sol is 13 parts.
Embodiment 3
[0069] The specific implementation of the present embodiment is the same as that of Example 1, except that the propylene glycol is 40 parts.
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