Bleeding stopping starch and preparation method thereof
A technology of starch and modified starch, applied in medical science, surgery and other directions, can solve the problems of unstable preparation and low water absorption of modified starch, and achieve the effects of stable preparation, improved water absorption performance and broad application prospects.
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Embodiment 1
[0031] The hydroxypropyl distarch phosphate is etherified, cross-linked and esterified by chemical reagents such as propylene oxide and phosphoric acid to make a new modified starch, and then the modified starch slurry is placed in a microwave oven at 80 degrees 750W Heated for 3 minutes under the same conditions. After cooling, filter with suction, wash with alcohol, and dry to obtain hemostatic starch 1.
Embodiment 2
[0033] The hydroxypropyl distarch phosphate slurry was heated in a microwave oven at 80°C and 750W for 3 minutes. After cooling, filter with suction, wash with alcohol, dry, and then undergo etherification, crosslinking, and esterification with chemical reagents such as propylene oxide and phosphoric acid to make new modified starch, wash with alcohol, and dry to obtain hemostatic starch 2.
Embodiment 3
[0035] The hydroxyethyl starch is subjected to etherification, crosslinking and esterification with chemical reagents such as propylene oxide and phosphoric acid to make a new modified starch, and then the modified starch slurry is heated in a microwave oven at 80 degrees and 750W. 3min. After cooling, filter with suction, wash with alcohol, and dry to obtain hemostatic starch 3.
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