Chitosan biological film-forming glue and preparation method thereof
A technology of chitosan and film-forming glue, which is applied in medical science, bandages, absorbent pads, etc., can solve the problems of limited application and poor solubility of chitosan, and achieves application promotion, high solubility and good biocompatibility. Effect
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Embodiment 1
[0066] A kind of chitosan biofilm-forming glue, comprises the raw material of following percentage by weight:
[0067] Modified Chitosan 0.5%
[0068] Mint 0.01%
[0069] Acidifier 0.05%
[0070] Skullcap 0.2%
[0071] Cork 0.1%
[0072] Deionized water balance.
[0073] The modified chitosan is chitosan hydrochloride with a degree of deacetylation of 70%.
[0074] The acidulant is lactic acid with a relative density of 1.20 and a lactic anhydride content of 5%.
[0075] A preparation method of chitosan biofilm-forming glue, comprising the steps of:
[0076] A. Add deionized water with 1 / 2 of the total amount of deionized water in the container, add the modified chitosan in the above ratio under stirring, and stir until completely dissolved;
[0077] B, add other raw materials except the modified chitosan of above-mentioned proportioning, acidulant under stirring state, vacuum filter after continuing to stir 5min, obtain filter residue and filtrate;
[0078] C, add the...
Embodiment 2
[0082] A kind of chitosan biofilm-forming glue, comprises the raw material of following percentage by weight:
[0083] Modified Chitosan 2.5%
[0084] Mint 0.04%
[0085] Acidifier 0.08%
[0086] Skullcap 0.25%
[0087] Cork 0.15%
[0088] Deionized water balance.
[0089] The modified chitosan is carboxymethyl chitosan with a carboxylation degree of 90%.
[0090] The acidulant is lactic acid with a relative density of 1.21 and a lactic anhydride content of 10%.
[0091] A preparation method of chitosan biofilm-forming glue, comprising the steps of:
[0092] A. Add deionized water with 2 / 3 of the total amount of deionized water in the container, add the modified chitosan in the above ratio under stirring, and stir until completely dissolved;
[0093] B, add other raw materials except the modified chitosan of above-mentioned proportioning, acidulant under stirring state, vacuum filter after continuing to stir for 6min, obtain filter residue and filtrate;
[0094] C, add...
Embodiment 3
[0098] A kind of chitosan biofilm-forming glue, comprises the raw material of following percentage by weight:
[0099] Modified Chitosan 3%
[0100] Mint 0.08%
[0101] Acidifier 0.1%
[0102] Skullcap 0.3%
[0103] Cork 0.2%
[0104] Deionized water balance.
[0105] The modified chitosan is a mixture of chitosan hydrochloride with a degree of deacetylation of 80% and carboxymethyl chitosan with a degree of carboxylation of 85%. Chitosan hydrochloride and carboxymethyl The weight ratio of chitosan is 2.5:1.
[0106] The acidulant is lactic acid with a relative density of 1.22 and a lactic anhydride content of 15%.
[0107] A preparation method of chitosan biofilm-forming glue, comprising the steps of:
[0108] A. Add deionized water with 1 / 2 of the total amount of deionized water in the container, add the modified chitosan in the above ratio under stirring, and stir until completely dissolved;
[0109] B, add other raw materials except the modified chitosan of above-m...
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