Ultraviolet laser solidification rapid-prototyping photosensitive resin and manufacture method thereof
A technology of photosensitive resin and ultraviolet laser, which is applied in the direction of photosensitive materials used in optomechanical equipment, optomechanical equipment, optics, etc., to achieve the effect of good photosensitivity and high precision
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Embodiment 1
[0032] 1. Add 3,4-epoxycyclohexylcarboxylic acid-3 , ,4 , - Cyclohexyl methyl ester 1300g, 3,3-[oxybismethylene]-bis[3-ethyl]oxetane 400g, bisphenol A type epoxy acrylate (EA-612) 500g gram, polycaprolactone triol (Polyol0301) 330 grams, trimethylolpropane triacrylate 100 grams, 1,4-cyclohexyl dimethanol divinyl ether 100 grams, benzoin dimethyl ether 100 grams, triaryl Sulfonium hexafluoroantimonate 170 g.
[0033] 2. Heat to 50°C and stir for 30 minutes to make it into a transparent light yellow uniform liquid, which is a prepared photosensitive resin. Measure its critical exposure E c 11.2 mJ / cm 2 , The test method is the method reported in "Zhao Yi. Experimental Research on Properties of Photosensitive Resin in Laser Rapid Prototyping [J]. Polymer Materials Science and Engineering, 2004, 20 (1): 184-186".
[0034] 3. Utilize the SLA-3500 UV laser curing rapid prototyping equipment produced by 3D Systems to make some test pieces, and then post-cure these test pieces fo...
Embodiment 2
[0036] 1. Add 3,4-epoxycyclohexylcarboxylic acid-3 , ,4 , - 1200 grams of cyclohexyl methyl ester, 400 grams of 1,4-bis[(3-ethyl-3-oxymethyleneoxetane)methyl]benzene, bisphenol A type epoxy resin (E-51 ) 100 g, pentaerythritol triacrylate 600 g, polycaprolactone diol (Polyol0201) 320 g, 1,4-butanediol diglycidyl ether 100 g, 2-hydroxy-2-methyl-1-benzene Base-1-acetone 100 grams, triarylsulfonium hexafluoroantimonate 180 grams.
[0037] 2. Heat to 40°C and stir for 30 minutes to make it into a transparent light yellow uniform liquid, which is a prepared photosensitive resin. Measure its critical exposure E c 12.4 mJ / cm 2 .
[0038] 3. Utilize the SLA-3500 UV laser curing rapid prototyping equipment produced by 3D Systems to make some test pieces, and then post-cure these test pieces for 90 minutes in a UV box with a power of 500 milliwatts. Their warpage factors CF(6)=0.01, CF(11)=0.03 were measured.
Embodiment 3
[0040] 1. Add 3,4-epoxycyclohexylcarboxylic acid-3 , ,4 , - Cyclohexyl Methyl Ester 1000g, Bisphenol A Type Epoxy Resin (E-51) 650g, Tripropylene Glycol Diacrylate 350g, Polycaprolactone Triol (Polyol 0301) 200g, Trimethylolpropane Tris 300 grams of acrylate, 210 grams of triethylene glycol divinyl ether, 100 grams of benzoin dimethyl ether, and 190 grams of triarylsulfonium hexafluoroantimonate.
[0041] 2. Heat to 50°C and stir for 20 minutes to make it into a transparent light yellow uniform liquid, which is a prepared photosensitive resin. Measure its critical exposure E c 12.9 mJ / cm 2 .
[0042] 3. Utilize the SLA-3500 UV laser curing rapid prototyping equipment produced by 3D Systems to make some test pieces, and then post-cure these test pieces for 90 minutes in a UV box with a power of 500 milliwatts. Their warpage factors CF(6)=-0.01, CF(11)=0.03 were measured.
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