Hydrocolloid and medical plaster containing vitamin E and 1,2-hexanediol and preparation method of medical plaster
A hydrocolloid and vitamin technology, applied in applications, dressings, medical science, etc., to achieve the effect of high-efficiency exudate absorption, good self-adhesiveness, and not easy to fall off
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Embodiment 1
[0022] Preparation method of hydrocolloid containing vitamin E and 1,2 hexanediol and medical application:
[0023] Take 180 grams of SIS and 120 plasticizers and melt them in a reaction kettle. The temperature is controlled at 120-170 degrees. When the two materials are mixed evenly, add C5 petroleum resin. After about 30 minutes, 5 grams of vitamin E5 and 5 grams 1. Add the mixture of hexanediol and continue to mix for 10 minutes, or until the material is completely uniform, add 500 grams of sodium carboxymethylcellulose, and continue to mix for 15-30 minutes until the vitamin-containing colloidal material is obtained;
[0024] Transfer the vitamin E-containing colloidal layer to a flat vulcanizing machine, paste and compound it with the backing layer and the anti-adhesive layer at 95°C under a pressure of 3Mpa, and cut it into a size of 10cm*10cm by a cutting machine.
Embodiment 2
[0026] Preparation method of hydrocolloid containing vitamin E and 1,2 hexanediol and medical application:
[0027] Take 60 grams of SIS and 120 plasticizers and melt them in the reactor, the temperature is controlled at 120-170 degrees; when the two materials are mixed evenly, add 7.5 grams of vitamin E and 7.5 grams of 1,2 hexanediol, and continue to mix 10 minutes, or when the material is completely uniform, add 250 grams of sodium carboxymethyl cellulose and 300 grams of colloidal pectin, and continue mixing for 15-30 minutes until a vitamin-containing colloidal material is obtained;
[0028] Transfer the vitamin E-containing colloidal layer to a flat vulcanizing machine, paste and compound it with the backing layer and the anti-adhesive layer at 95°C under a pressure of 3Mpa, and cut it into a size of 10cm*10cm by a cutting machine.
Embodiment 3-6
[0030] Table 1. Initial viscosity and liquid absorption measured by hydrocolloids with different contents of vitamin E and 1,2 hexanediol prepared by the same method as above.
[0031]
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