Photosensitive resin, application thereof and preparation method of tooth retainer
A photosensitive resin, selected technology, applied in dentistry, orthodontics, orthodontics, etc., can solve problems such as nausea, vomiting, poor sensory impression of patients, loss of retainer, etc., to shorten the time of chairside operation, Avoid discomfort, high precision effect
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Embodiment 1
[0031] The raw material components of photosensitive resin in the present embodiment include:
[0032]
[0033] The esters are a mixture of lauryl acrylate and polyethylene glycol acrylate in a mass ratio of 1:1.
[0034] The photoinitiator is benzyl dimethyl ketal.
[0035] The isocyanate is toluene diisocyanate.
[0036] The polyol is a polyester polyol with a number average molecular weight of 50,000.
[0037] The chain extender is ethylenediamine.
[0038] The chitosan oligomer is O-carboxymethyl deacetylated polysaccharide, the number average molecular weight is 10000, and the degree of deacetylation is greater than 0.5.
[0039] The amine catalyst is bis(2-dimethylaminoethyl)ether and N,N-dimethylethanolamine.
Embodiment 2
[0041] The raw material components of photosensitive resin in the present embodiment include:
[0042]
[0043] The esters are a mixture of lauryl acrylate and polyethylene glycol acrylate in a mass ratio of 1:2.
[0044] The photoinitiator is diphenyl (2,4,6-trimethylbenzoyl)-phosphine oxide.
[0045] The isocyanate is toluene diisocyanate.
[0046] The polyol is a polyester polyol with a number average molecular weight of 50,000.
[0047] The chain extender is ethylenediamine.
[0048] The chitosan oligomer is O-carboxymethyl deacetylated polysaccharide, the number average molecular weight is 10000, and the degree of deacetylation is greater than 0.5.
[0049] The amine catalyst is bis(2-dimethylaminoethyl)ether and N,N-dimethylethanolamine.
Embodiment 3
[0051] The raw material components of photosensitive resin in the present embodiment include:
[0052]
[0053]
[0054] The esters are a mixture of lauryl acrylate and polyethylene glycol acrylate in a mass ratio of 1:2.
[0055] The photoinitiator is diphenyl (2,4,6-trimethylbenzoyl)-phosphine oxide.
[0056] The isocyanate is 1,6-hexamethylene diisocyanate.
[0057] The polyol is a polyester polyol with a number average molecular weight of 50,000.
[0058] The chain extender is ethylenediamine.
[0059] The chitosan oligomer is O-carboxymethyl deacetylated polysaccharide, the number average molecular weight is 10000, and the degree of deacetylation is greater than 0.5.
[0060] The amine catalyst is bis(2-dimethylaminoethyl)ether and N,N-dimethylethanolamine.
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