Special insulation material for buildings, and preparation method thereof
An insulating material and building technology, applied in the field of materials, can solve the problems of unfavorable insulation effect, unfavorable long-term development, complicated production process, etc., and achieve good anti-oxidation performance, good waterproof and moisture-proof effect, and high comprehensive economic benefits Effect
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Embodiment 1
[0012] A building-specific insulating material and a preparation method thereof. The raw materials are composed of the following proportions in parts by weight: 5 parts of polytetrafluoroethylene, 7 parts of polyethylene terephthalate, 4 parts of polyvinylidene fluoride, 30 parts of polyester resin, 5 parts of silicon dioxide, 14 parts of vinyl resin, 7 parts of amide, 3 parts of phthalate, 5 parts of polyethylene glycol, and 9 parts of polyvinyl alcohol.
[0013] Its preparation method is as follows:
[0014] A. Polyester resin and vinyl resin are mixed and copolymerized, the temperature is set to 190°C, the pressure is 1.6MPa, silicon dioxide and polyvinyl alcohol are added to stir, and the stirring rate is 630r / min to obtain mixture A;
[0015] B. Stir polytetrafluoroethylene, polyethylene terephthalate, polyvinylidene fluoride and amide evenly under normal temperature and pressure, add to mixture A and mix at a stirring rate of 750r / min to obtain mixture B ;
[0016] C. ...
Embodiment 2
[0018] 3 parts of polytetrafluoroethylene, 8 parts of polyethylene terephthalate, 3 parts of polyvinylidene fluoride, 20 parts of polyester resin, 6 parts of silicon dioxide, 10 parts of vinyl resin, 7 parts of amide, ortho 2 parts of phthalates, 6 parts of polyethylene glycol, 5 parts of polyvinyl alcohol.
[0019] Its preparation method is as follows:
[0020] A. Polyester resin and vinyl resin are mixed and copolymerized, the temperature is set at 180°C, the pressure is 1.5MPa, silicon dioxide and polyvinyl alcohol are added for stirring, and the stirring rate is 650r / min to obtain mixture A;
[0021] B. Stir polytetrafluoroethylene, polyethylene terephthalate, polyvinylidene fluoride and amide evenly at normal temperature and pressure, add to mixture A and mix at a stirring rate of 6000r / min to obtain mixture B ;
[0022] C. Put phthalate and polyethylene glycol into the mixture B for mixing, put it into a centrifuge for processing, the centrifugal frequency is 8500HZ, p...
Embodiment 3
[0024] A building-specific insulating material and a preparation method thereof. The raw materials are composed of the following proportions in parts by weight: 6 parts of polytetrafluoroethylene, 5 parts of polyethylene terephthalate, 3 parts of polyvinylidene fluoride, 35 parts of polyester resin, 4 parts of silicon dioxide, 15 parts of vinyl resin, 5 parts of amide, 4 parts of phthalate, 3 parts of polyethylene glycol, and 10 parts of polyvinyl alcohol.
[0025] Its preparation method is as follows:
[0026] A. Polyester resin and vinyl resin are mixed and copolymerized, the temperature is set at 160°C, the pressure is 1.8MPa, silicon dioxide and polyvinyl alcohol are added for stirring, and the stirring rate is 500r / min to obtain mixture A;
[0027] B. Stir polytetrafluoroethylene, polyethylene terephthalate, polyvinylidene fluoride and amide evenly under normal temperature and pressure, add to mixture A and mix at a stirring rate of 800r / min to obtain mixture B ;
[002...
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