US 12,269,909 B2
Polymer composition and a method of preparing a polymer resin
FuKe Wang, Singapore (SG)
Assigned to AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, Singapore (SG)
Appl. No. 17/413,120
Filed by AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, Singapore (SG)
PCT Filed Dec. 17, 2019, PCT No. PCT/SG2019/050618
§ 371(c)(1), (2) Date Jun. 11, 2021,
PCT Pub. No. WO2020/130941, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 10201811299X (SG), filed on Dec. 17, 2018.
Prior Publication US 2022/0041781 A1, Feb. 10, 2022
Int. Cl. C08F 236/20 (2006.01); C08K 5/05 (2006.01)
CPC C08F 236/20 (2013.01) [C08K 5/05 (2013.01)] 17 Claims
 
1. A polymer composition comprising:
at least one (meth)acrylate monomer or oligomer;
a phase separating agent;
a photoinitiator; and
a photosensitizer,
wherein said photosensitizer is selected from the group consisting of a benzophenone, a quinone, an acrylate, a sebacate, a cinnamate, an isocyanurate, a phosphite, an acridine, a benzophenoxazinium dye, a Δ-aminolevulinic acid, a flavin, a fullerene, a phthalocyanines dye, a phenothiazine dye, a porphyrin, and a chlorin, and
wherein said (meth)acrylate monomer or oligomer is selected from the group consisting of bisphenol A dimethacrylate (Bis-DMA), bisphenol A diglycidyl ether methacrylate (Bis-GMA), ethoxylated bisphenol-A dimethacrylate (Bis-EMA), tricyclo[5.2.1.02,6] decanedimethanol diacrylate, bisphenol A glycerolate diacrylate, bisphenol A ethoxylate diacrylate, bisphenol A ethoxylate dimethacrylate, bisphenol F ethoxylate diacrylate, isocyanate acrylate, urethane acrylate, branched hexa-functional aliphatic urethane acrylate, ethylene glycol diacrylate, di(ethylene glycol) diacrylate, tetra(ethylene glycol) diacrylate, 1,4-butanediol diacrylate, hydroxy ethylmethacrylate, 3,4-epoxy-cyclohexyl-methyl methacrylate (METHB), triethylene glycol dimethacrylate (TEGDMA), tertiobutyl cyclohexanol methacrylate, 1,6-bis[2-(methacryloyloxy) ethoxycarbonylamino]-2,4,4-trimethylhexane (UDMA), 3,3,5-trimethyl cyclohexanol methacrylate, and dipentaerythritol penta-/hexa-acrylate.