Heat-conducting insulated pressure sensitive tape and preparation method thereof
A pressure-sensitive tape, thermal insulation technology, applied in the direction of adhesive, adhesive type, film/sheet adhesive, etc., can solve the problems of high cost, insufficient thermal conductivity, edge warping, etc., and achieve high production efficiency , The effect of convenient assembly and production, prolonging life
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Embodiment 1
[0034] Step 1: Prepare polyacrylate adhesive as follows:
[0035] First, under a nitrogen environment, in a reaction vessel equipped with a stirrer and a reflux condenser, add 86 g of butyl acrylate, 5 g of acrylic acid, 10 g of 2-ethylhexyl acrylate, 20 g of toluene, 192.5 g of ethyl acetate, and trigger After mixing 0.2g of azobisisobutyronitrile evenly, control the temperature to 78°C, control the stirring speed to 70 rpm, add 0.2g of initiator azobisisobutyronitrile once every 2 hours, and react for 6 hours Cool down to room temperature to obtain a polyacrylate adhesive.
[0036] Step 2: Prepare the modified BN dispersion as follows:
[0037] (2-1) In a beaker, add 30g of BN particles with a micron-sized particle size of 5-15 μm, 10g of BN with a nano-sized particle size of 400-600nm, 10g of BN nanowires with a length of 300-600nm and 100g of ethanol, and carry out Mix evenly, pre-disperse with ultrasonic waves, the dispersion time is 20-40min, and the ultrasonic output ...
Embodiment 2
[0044] Step 1: Prepare polyacrylate adhesive as follows:
[0045] First, under a nitrogen environment, in a reaction vessel equipped with a stirrer and a reflux condenser, add 86 g of butyl acrylate, 5 g of acrylic acid, 10 g of 2-ethylhexyl acrylate, 20 g of toluene, 192.5 g of ethyl acetate, and trigger After mixing 0.2g of azobisisobutyronitrile evenly, control the temperature to 80°C, control the stirring speed to 70 rpm, add 0.2g of initiator azobisisobutyronitrile once every 2 hours, and react for 6 hours Cool down to room temperature to obtain a polyacrylate adhesive.
[0046]Step 2, prepare modified AlN dispersion liquid as follows:
[0047] (2-1) In a beaker, add 30g of AlN particles with a micron-sized particle size of 5-15μm, 10g of AlN with a nano-sized particle size of 400-600nm, 10g of AlN nanowires with a length of 300-600nm and 100g of ethyl acetate , mix evenly, and pre-disperse with ultrasonic waves, the dispersion time is 20-40min, and the ultrasonic outpu...
Embodiment 3
[0056] Step 1: Prepare Polyacrylate Adhesive:
[0057] First, under a nitrogen environment, in a reaction vessel equipped with a stirrer and a reflux condenser, add 86 g of butyl acrylate, 5 g of acrylic acid, 10 g of 2-ethylhexyl acrylate, 20 g of toluene, 192.5 g of ethyl acetate, and trigger After mixing 0.2g of azobisisobutyronitrile evenly, control the temperature to 80°C, control the stirring speed to 70 rpm, add 0.2g of initiator azobisisobutyronitrile once every 2 hours, and react for 6 hours Cool down to room temperature to obtain a polyacrylate adhesive.
[0058] Step 2: Prepare modified AlN, BN mixed dispersion:
[0059] (2-1) In a beaker, add 15g of AlN particles with a micron-sized particle size of 5-15μm, 5g of AlN with a nano-sized particle size of 400-600nm, 5g of AlN nanowires with a length of 300-600nm, 15g of micron-sized particles BN particles with a diameter of 5-15 μm, 5g of BN with a nano-scale particle size of 400-600nm, 5g of BN nanowires with a leng...
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