Blue light blocking system containing pyrazoline or/and phenylacrylic compounds

Abstract

A blue light blocking system including a pyrazoline compound of formula (I) or/and a phenylacrylic compound of formula (II) is provided. The compound of formula (I) or formula (II) can absorb most blue light of shorter wavelength that hurt eyes, but let that of the longer wavelength pass through, so that the transmitted light makes an excellent visual effect for human. The system can be applied to products such as optical films, optical lenses, goggles, skin care, lighting, coatings, adhesives, or panels. These products have a light-colored appearance and their transmitted light makes for an excellent visual effect.

1 . A blue light blocking system comprising at least one blue light blocking film layer, and/or a basal layer, and/or one or more release film layers, wherein
 the blue light blocking film layer is essential and includes at least a compound selected from formula (I) and/or formula (II),   
       
         
           
           
               
               
           
         
         R 1  to R 3  are each independently selected from H, straight or branched C 1  to C 6  alkyl, OR 3 , and N(R 3 ) 2 , 
         R 4  to R 6  are each independently selected from H, and straight or branched C 1  to C 6  alkyl, 
         R 7  to R 8  are each independently selected from COOR 9 , CONR 10 R 11 , COR 12 , and CN, 
         R 9  is selected from H, straight or branched C 1  to C 18  alkyl, and polyethylene glycol groups, 
         R 10  to R 12  are each independently selected from H, straight or branched C 1 -C 6  alkyl, and phenyl. 
       
     
     
         2 . (canceled) 
     
     
         3 . The blue light blocking system according to  claim 1 , wherein, the compound is selected from formula (I-1), (I-2), (I-3), (II-1) and (II-2): 
       
         
           
           
               
               
           
         
       
     
     
         4 . The blue light blocking system according to  claim 1 , wherein
 the compound of the formula (I) or formula (II) is used separately.   
     
     
         5 . The blue light blocking system according to  claim 1 , wherein,
 the compound of formula (I) and the compound of formula (II) are used in combination, and a mass ratio of the compounds ranges from 1:5 to 5:1.   
     
     
         6 . A blue light blocking composition for preparing the blue light blocking layer of  claim 1 , comprising
 at least a compound selected from formula (I) and/or formula (II), and polymerizable monomers or polymers.   
     
     
         7 . The blue light blocking composition according to  claim 6 , comprising
 at least a compound selected from formula (I) and/or formula (II), an initiator or initiators, and polymerizable monomers and/or prepolymers.   
     
     
         8 . The blue light blocking composition according to  claim 6 , wherein,
 the monomer includes one or more acrylic, acrylic ester, methacrylic, methacrylic ester, hydroxyacrylic, methacrylic, vinyl, styrene, diene, vinyl fluoride, chlorine ethylene, acrylonitrile, vinyl acetate, silicone acrylate, epoxy acrylate, polyurethane acrylate, ethylene oxide, isocyanate, polyol, polythiol, polyamine amine, alcohol amine, and thiol amine.   
     
     
         9 . The blue light blocking composition according to  claim 6 , further comprising
 one or more auxiliaries selected from stabilizer, UV absorber, leveling agent, defoamer, dispersant, chain transfer agent, coupling agent, catalysts, toughener, tackifier, plasticizer, thickener, thinner, flame retardant, polymerization inhibitor, preservative, hardener, and acid-base blender.   
     
     
         10 . The blue light blocking composition according to  claim 6 , wherein,
 a mass range of formula (I) or/and formula (II) is from 0.01% to 20%, a mass range of initiator content is from 0.01% to 10%, a mass range of monomer or prepolymer or polymer content is from 5 to 99.98%.   
     
     
         11 . Use of a compound or a combination of compounds selected from the formula (I) and/or formula (II) according to  claim 1 , for blocking blue light.