Preparation method of polyurethane composite sponge with photo-thermal and electro-thermal conversion performance
A composite sponge and polyurethane technology, applied in the field of functional composite materials, can solve problems such as poor contact performance, fragility, and low electrical conductivity, and achieve the effects of facilitating large-scale production, reducing the possibility of leakage, and simple production processes
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Embodiment 1
[0023] A method for preparing a polyurethane composite sponge with photothermal and electrothermal conversion properties, comprising the following steps:
[0024] 1) Set the volume to 12cm 3 The polyurethane sponge was repeatedly soaked in a concentration of 15mg·mL -1 In the MXene aqueous solution, the number of soaking times is 3 times, and the soaking time is 30 minutes each time, and it is taken out and dried, wherein, MXene is Ti 3 C 2 T x ,T x -O, -F and -OH, that is, MXene contains three functional groups -O, -F and -OH;
[0025] 2) soak the sponge obtained in step 1) repeatedly in the ethanol solution containing lauric acid and ferric chloride, the concentration of lauric acid is 120mg mL -1 , the concentration of ferric chloride is 30mg mL -1 , the number of soaking times is 3 times, and the soaking time is 30 minutes each time, and it is taken out and dried;
[0026] 3) Put the sponge obtained in step 2) in a container containing 3,4-ethylenedioxythiophene mon...
Embodiment 2
[0029] A method for preparing a polyurethane composite sponge with photothermal and electrothermal conversion properties, comprising the following steps:
[0030] 1) Set the volume to 20cm 3 The polyurethane sponge was repeatedly soaked in a concentration of 20mg·mL -1 In the MXene aqueous solution, the number of soaking times is 1 time, and the soaking time is 30 minutes each time, and it is taken out and dried, wherein, MXene is Ti 3 C 2 T x ,T x -O, -F and -OH, that is, MXene contains three functional groups -O, -F and -OH;
[0031] 2) Repeatedly soak the sponge obtained in step 1) in an ethanol solution containing lauric acid and ferric chloride, the concentration of lauric acid is 200mg·mL -1 , the concentration of ferric chloride is 50mg·mL -1 , the number of times of soaking is 5 times, and the soaking time is 30 minutes each time, and it is taken out and dried;
[0032] 3) The sponge obtained in step 2) is placed in a container containing pyrrole monomer, vacuum...
Embodiment 3
[0035] A method for preparing a polyurethane composite sponge with photothermal and electrothermal conversion properties, comprising the following steps:
[0036] 1) Set the volume to 12cm 3 The polyurethane sponge was repeatedly soaked in a concentration of 25mg·mL -1 In the MXene aqueous solution, the number of soaking times is 2 times, and the soaking time is 30 minutes each time, and it is taken out and dried, wherein, MXene is Ti 3 C 2 T x ,T x -O, -F and -OH, that is, MXene contains three functional groups -O, -F and -OH;
[0037] 2) Repeatedly soak the sponge obtained in step 1) in an ethanol solution containing lauric acid and ferric chloride, the concentration of lauric acid is 150 mg·mL -1 , the concentration of ferric chloride is 60mg·mL -1 , the number of soaking times is 3 times, and the soaking time is 30 minutes each time, and it is taken out and dried;
[0038] 3) Put the sponge obtained in step 2) in a container containing 3,4-ethylenedioxythiophene mon...
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