Low-shrinkage photocurable material and manufacturing method thereof

Abstract

A low-shrinkage photocurable material is provided in the present disclosure. The low-shrinkage photocurable material includes an acrylonitrile butadiene styrene resin, a carbon black and a dispersant. The carbon black and the dispersant are mixed with the acrylonitrile butadiene styrene resin. The weight percentage of the acrylonitrile butadiene styrene resin is 85%-99.45%, the weight percentage of the carbon black is 0.05%-5%, and the weight percentage of the dispersant is 0.5%-10%.

What is claimed is: 
     
         1 . A low-shrinkage photocurable material, comprising:
 an acrylonitrile butadiene styrene resin;   a carbon black; and   a dispersant;   wherein the carbon black and the dispersant are mixed with the acrylonitrile butadiene styrene resin, the weight percentage of the acrylonitrile butadiene styrene resin is 85%-99.45%, the weight percentage of the carbon black is 0.05%-5%, and the weight percentage of the dispersant is 0.5%-10%.   
     
     
         2 . The low-shrinkage photocurable material of  claim 1 , wherein the carbon black is a surface-modified carbon black material. 
     
     
         3 . The low-shrinkage photocurable material of  claim 1 , wherein the dispersant is a methyl methacrylate, a derivative of methyl methacrylate, a mixture with methyl methacrylate, a dimethylacetamide or a mixture with dimethylacetamide. 
     
     
         4 . A manufacturing method of a low-shrinkage photocurable material, comprising:
 providing an acrylonitrile butadiene styrene resin;   providing a carbon black solution comprising a carbon black, a dispersant and a solvent; and   performing a mixing step to mix the acrylonitrile butadiene styrene resin and the carbon black solution, so as to obtain the low-shrinkage photocurable material;   wherein the weight percentage of the acrylonitrile butadiene styrene resin is 85%-99.45%, the weight percentage of the carbon black is 0.05%-5%, and the weight percentage of the dispersant is 0.5%-10%.   
     
     
         5 . The manufacturing method of the low-shrinkage photocurable material of  claim 4 , wherein the carbon black is a surface-modified carbon black material. 
     
     
         6 . The manufacturing method of the low-shrinkage photocurable material of  claim 4 , wherein the dispersant is a methyl methacrylate, a derivative of methyl methacrylate, a mixture with methyl methacrylate, a dimethylacetamide or a mixture with dimethylacetamide. 
     
     
         7 . The manufacturing method of the low-shrinkage photocurable material of  claim 4 , further comprising:
 providing a solution of carbon black raw material, wherein the solution of carbon black raw material is prepared by mixing a carbon black raw material, a 2,4-diisocyanato-1-methyl-benzene, a dibutyltin dilaurate and a dimethylformide;   providing a polyethylene glycol-molecular sieve reactant by keeping a polyethylene glycol and a dimethylformide in a molecular sieve;   performing a carbon black pretreating step by mixing and stirring the solution of carbon black raw material, the polyethylene glycol-molecular sieve reactant and a dimethylol propionic acid, so as to obtain a substance for purification; and   performing a purifying step to purify the substance for purification, so as to obtain the carbon black.   
     
     
         8 . The manufacturing method of the low-shrinkage photocurable material of  claim 7 , wherein a weight ratio of the carbon black raw material, the 2,4-diisocyanato-1-methyl-benzene, the polyethylene glycol and the dimethylol propionic acid is 1:10:17:0.6 to 1:28:50:2. 
     
     
         9 . The manufacturing method of the low-shrinkage photocurable material of  claim 7 , wherein the solution of carbon black raw material and the polyethylene glycol-molecular sieve reactant are first mixed and stirred for a first reaction time, and then the dimethylol propionic acid is added and stirred for a second reaction time in the carbon black pretreating step. 
     
     
         10 . The manufacturing method of the low-shrinkage photocurable material of  claim 9 , wherein the first reaction time and the second reaction time are both 1 hour to 3 hours.