A kind of high light transmission and weather resistance polycarbonate composite material for LED lampshade processing
A technology of LED lampshade and polycarbonate, which is applied in the field of polycarbonate composite materials with high light transmission and weather resistance for LED lampshade processing, and can solve the problems of reducing the impact resistance of polycarbonate, weakening weather resistance, and reducing light transmission.
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Embodiment 1
[0030] (1) Activation of molecular sieve raw powder: first place 4A molecular sieve raw powder in an oven at 100-105°C to dry to constant weight, and roast at 550°C for 2 hours to obtain activated molecular sieve raw powder;
[0031] (2) Preparation of carrier: Disperse 50g activated molecular sieve former powder in dehydrated alcohol, then add 8g allyl glycidyl ether, 10g magnesium dimethacrylate and 0.5g initiator azobisisobutyronitrile, then heat Insulate and stir the reaction in the reflux state. After the polymerization reaction, continue to reflux and stir for 30 minutes. The resulting mixture is concentrated under reduced pressure to recover ethanol. The concentrated residue is washed with water to remove unreacted monomers, and dried in an oven at 100-105°C until Weight, the obtained solid is made into fine powder by ultrafine pulverizer, and the carrier is obtained;
[0032] (3) Preparation of weather resistance agent: disperse 50g of the prepared carrier in absolute ...
Embodiment 2
[0035] (1) Activation of molecular sieve raw powder: first place 4A molecular sieve raw powder in an oven at 100-105 ° C to dry to constant weight, and roast at 550 ° C for 2 hours to obtain activated molecular sieve raw powder;
[0036](2) Preparation of carrier: Disperse 50g activated molecular sieve former powder in dehydrated alcohol, then add 8g allyl glycidyl ether, 15g magnesium dimethacrylate and 0.5g initiator azobisisobutyronitrile, then heat Insulate and stir the reaction in the reflux state. After the polymerization reaction, continue to reflux and stir for 30 minutes. The resulting mixture is concentrated under reduced pressure to recover ethanol. The concentrated residue is washed with water to remove unreacted monomers, and dried in an oven at 100-105°C until Weight, the obtained solid is made into fine powder by ultrafine pulverizer, and the carrier is obtained;
[0037] (3) Preparation of weathering agent: Disperse 50g of the prepared carrier in absolute ethan...
Embodiment 3
[0040] (1) Activation of molecular sieve raw powder: first place 4A molecular sieve raw powder in an oven at 100-105 ° C to dry to constant weight, and roast at 550 ° C for 2 hours to obtain activated molecular sieve raw powder;
[0041] (2) Preparation of carrier: Disperse 50g activated molecular sieve former powder in dehydrated alcohol, then add 8g allyl glycidyl ether, 15g magnesium dimethacrylate and 0.5g initiator azobisisobutyronitrile, then heat Insulate and stir the reaction in the reflux state. After the polymerization reaction, continue to reflux and stir for 30 minutes. The resulting mixture is concentrated under reduced pressure to recover ethanol. The concentrated residue is washed with water to remove unreacted monomers, and dried in an oven at 100-105°C until Weight, the obtained solid is made into fine powder by ultrafine pulverizer, and the carrier is obtained;
[0042] (3) Preparation of weathering agent: Disperse 50g of the prepared carrier in absolute etha...
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