Solid hydrogel and preparation method thereof
A solid water and gel technology, applied in the field of solid hydrogel, can solve the problems of large amount of cross-linking agent, uneven heat transfer, implosion, etc., to achieve reduced cross-linking agent dosage, good light penetration, Polymerized even effect
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[0012] In order to make the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail:
[0013] The preparation method of the solid hydrogel provided by the present invention comprises the following steps: a) mixing monomers, photoinitiators, crosslinking agents, preservatives, antifreeze agents with water, and stirring evenly to form an aqueous solution; b) mixing the aqueous solution Inject the plastic bag made by high-frequency heat sealing; c) Exhaust the air and seal the plastic bag containing the aqueous solution; d) Place the plastic bag after step c on the light stand, turn on the light to dry the plastic bag irradiated. Wherein, the monomer in the aqueous solution accounts for 8-15% of the total mass, the photoinitiator accounts for 0.05-0.2% of the total mass, the crosslinking agent accounts for 0.01-0.1% of the total mass, and the p...
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