Blue-light-curing photosensitive resin suitable for three-dimensional printing and preparation method thereof
A photosensitive resin and three-dimensional printing technology, applied in the direction of additive processing, etc., can solve the problems of slow curing speed, high viscosity of light-cured materials, large shrinkage rate, etc., to achieve the maintenance of product shape, low volume shrinkage rate, and avoid safety hidden effect
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Embodiment 1
[0044] This embodiment provides a photosensitive resin for three-dimensional printing, the components and mass percentages are: 10wt.% glycidyl methacrylate, 30wt.% bisphenol A modified epoxy acrylate, 30wt.% Tripropylene glycol diacrylate, 4wt.% cycloaliphatic epoxy resin, 4wt.% 1,4-cyclohexyldimethanol divinyl ether, 4wt.% polypropylene glycol diglycidyl ether diacrylate, 5wt. % Free radical initiator, 5wt.% reactive diluent, 8wt.% dispersant.
[0045] Preparation:
[0046] A. Add glycidyl methacrylate, bisphenol A modified epoxy acrylate, tripropylene glycol diacrylate, and cycloaliphatic epoxy into the reactor equipped with a stirrer, thermometer, condenser and feeding tank. Resin, 1,4-cyclohexyl dimethanol divinyl ether, polypropylene glycol diglycidyl ether diacrylate and reactive diluent, stir evenly for 20 minutes;
[0047] B. In the reaction kettle, add dispersant and stir evenly for 20 minutes;
[0048] C. Add a free radical initiator to the reaction kettle. The temperatur...
Embodiment 2
[0051] This embodiment provides a photosensitive resin for three-dimensional printing, the components and mass percentages are: 40wt.% glycidyl methacrylate, 10wt.% bisphenol A modified epoxy acrylate, 6wt.% Graphene oxide, 10wt.% tripropylene glycol diacrylate, 4wt.% cycloaliphatic epoxy resin, 4wt.% 1,4-cyclohexyldimethanol divinyl ether, 4wt.% polypropylene glycol dicondensation Glyceryl ether diacrylate, 5wt.% free radical initiator, 15wt.% reactive diluent, 2wt.% dispersant.
[0052] Preparation:
[0053] A. Add glycidyl methacrylate, bisphenol A modified epoxy acrylate, tripropylene glycol diacrylate, and cycloaliphatic epoxy into the reactor equipped with a stirrer, thermometer, condenser and feeding tank. Resin, 1,4-cyclohexyl dimethanol divinyl ether, polypropylene glycol diglycidyl ether diacrylate and reactive diluent, stir evenly for 50 minutes, and inject graphene oxide while mixing;
[0054] B. Add dispersant to the reaction kettle and stir evenly for 60 minutes;
[00...
Embodiment 3
[0058] This embodiment provides a photosensitive resin for three-dimensional printing, the composition and mass percentage of which are: 20wt.% glycidyl methacrylate, 20wt.% bisphenol A modified epoxy acrylate, 10wt.% Graphene oxide, 10wt.% tripropylene glycol diacrylate, 8wt.% cycloaliphatic epoxy resin, 4wt.% 1,4-cyclohexyldimethanol divinyl ether, 6wt.% polypropylene glycol dihydrate Glyceryl ether diacrylate, 15wt.% free radical initiator, 5wt.% reactive diluent, 2wt.% dispersant.
[0059] Preparation:
[0060] A. Add glycidyl methacrylate, bisphenol A modified epoxy acrylate, tripropylene glycol diacrylate, and cycloaliphatic epoxy into the reactor equipped with a stirrer, thermometer, condenser and feeding tank. Resin, 1,4-cyclohexyl dimethanol divinyl ether, polypropylene glycol diglycidyl ether diacrylate and reactive diluent, stir evenly for 30 minutes, and inject graphene oxide while mixing;
[0061] B. In the reaction kettle, add dispersant and stir evenly for 40 minutes...
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