A hydrogel dressing and a method of making the same

By introducing pullulan polysaccharide and honey into the honey dressing through a multi-hydrogen bond network and UV curing technology, a stable hydrogel dressing is formed, which solves the problem of honey dressing being prone to crystallization, improves comfort and antibacterial effect, and maintains the antibacterial activity and healing-promoting effects of honey.

CN122124305APending Publication Date: 2026-06-02ROOSIN MEDICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ROOSIN MEDICAL CO LTD
Filing Date
2026-03-24
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Honey dressings are prone to crystallization, which reduces their grainy texture and comfort. Furthermore, repeated melting produces harmful substances that can damage active ingredients and irritate the skin.

Method used

A honey-pullulan polysaccharide complex anti-crystallization system was introduced, which was then UV-cured to form a hydrogel dressing. The pullulan polysaccharide and honey multi-hydrogen bond network inhibited glucose molecule rearrangement and crystallization, and the active ingredients of honey were fixed by forming a three-dimensional cross-linked structure through UV curing.

Benefits of technology

It significantly inhibits honey crystallization, improves the comfort of the dressing in contact with the skin, prolongs the antibacterial time, maintains the antibacterial activity and healing efficacy of honey, and enhances the mechanical strength and moisturizing properties of the dressing.

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Abstract

This invention relates to the field of medical dressing technology, and more particularly to a hydrogel dressing comprising a functional layer; the functional layer is formed by UV curing of a mixture of raw materials; wherein, by weight, the mixture comprises the following components: 20-30 parts UV-curing monomer; 0.10-0.22 parts crosslinking agent; 1.0-1.5 parts viscosity modifier; 12-22 parts humectant; 25-35 parts honey; 0.05-0.3 parts pullulan; 0.10-0.25 parts photoinitiator; and 23-27 parts water. The hydrogel dressing provided by this invention, by introducing a multiple hydrogen bond network of pullulan and honey, effectively inhibits glucose molecule rearrangement and precipitation using steric hindrance, significantly inhibiting honey crystallization; avoiding the grainy feel caused by crystallization in traditional honey dressings, and improving the comfort of the dressing in contact with the skin.
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