Summary of the invention
It is perfect inadequately to the objective of the invention is to overcome existing thermal insulation coatings insulation barrier layer, weathering resistance and contamination resistance are relatively poor, defective that the tension splitting resistance is lower and deficiency, provide a kind of its to film and be easy to form good insulation barrier layer, weathering resistance, contamination resistance and tension resistance to cleavage are better, use and allocate polymer microsphere insulation heat-proof dry-powder paint easily.
Technical solution of the present invention is: a kind of polymer microsphere insulation heat-proof dry-powder paint, raw material by following weight part is formed: water glass powder 20-40, closed-cell expanded perlite 8-15, hollow glass or ceramic fine bead 3-15, polymer microballoon 10-30, tubular fibre 2-5, Sodium Silicofluoride 3-5, latex powder 5-10, water proof anti-seepage additive 5-10;
After water glass powder and hollow glass or ceramic fine bead and closed perlite mixed, adding polymer microballoon and latex powder mixes, join after water proof anti-seepage additive and Sodium Silicofluoride are pre-mixed in the above-mentioned miscellany and to continue to mix, sneak into tubular fibre at last and mix the back.
The particle diameter of closed-cell expanded perlite of the present invention is the 150-200 micron, the particle diameter of hollow glass or ceramic fine bead is the 50-100 micron, the particle diameter of polymer microballoon is the 10-40 micron, tubular fibre is PET Hollow fiber or polypropylene hollow fiber or pure aluminium silicate tubular fibre, its diameter is the 20-40 micron, and length is the 0.5-2 millimeter.
Polymer hollow microsphere of the present invention preferably adopts the applicant to be " a kind of polymer hollow microsphere and preparation method thereof " prepared polymer hollow microsphere in the denomination of invention of application on the same day, and described polymer phase-change microsphere preferably adopts the applicant to be " a kind of polymer phase-change microsphere and preparation method thereof " prepared polymer phase-change microsphere in the denomination of invention of application on the same day.
Polymer microballoon of the present invention is formed by polymer hollow microsphere and the polymer phase-change microsphere mixed by weight 0-1: 0-1.
The particle diameter of polymer hollow microsphere of the present invention is the 20-40 micron, and the particle diameter of polymer phase-change microsphere is the 10-20 micron.
The invention has the beneficial effects as follows: at first the present invention has adopted double glazing or ceramic microsphere and polymer microballoon, because the structure of phase change material or hollow negative pressure in the polymer microballoon, make coating have the common feature of heat resistance type and thermal capacitance section bar material concurrently, comparing the simple heat resistance type of existing insulating mold coating is a progress and innovation; Secondly, lower at existing insulating mold coating weather resistance, the defective that contamination resistance is relatively poor, inorganic-organic compound form that the present invention adopts has outstanding weather resistance and good especially contamination resistance; The 3rd, used tubular fibre to strengthen in the coating of the present invention, increased substantially tension cracking resistance fracture resistance, tubular fibre also provides good heat insulating effect simultaneously, thereby has improved the thermal and insulating performance of coating; The 4th, coating of the present invention is pressed the mutual grating of particle diameter by hollow glass or materials such as ceramic microsphere, tubular fibre and polymer microballoon, make and the good barrier layer of having filmed intermediate formation to have reduced the cold and hot bridge of the intermediary of filming, further improved thermal and insulating performance.At last, compare the form of existing insulating mold coating with the liquid supply, the present invention adopts the dry powder material supply, greatly reduces transportation cost and storage cost, is convenient to accumulating and construction.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
A kind of polymer microsphere insulation heat-proof dry-powder paint, raw material by following weight part is formed: water glass powder 20-40, closed-cell expanded perlite 8-15, hollow glass or ceramic fine bead 3-15, polymer microballoon 10-30, tubular fibre 2-5, Sodium Silicofluoride 3-5, latex powder 5-10, water proof anti-seepage additive 5-10;
After water glass powder and hollow glass or ceramic fine bead and closed perlite mixed, adding polymer microballoon and latex powder mixes, join after water proof anti-seepage additive and Sodium Silicofluoride are pre-mixed in the above-mentioned miscellany and to continue to mix, sneak into tubular fibre at last and mix the back.
The particle diameter of described closed-cell expanded perlite is the 150-200 micron, the particle diameter of hollow glass or ceramic fine bead is the 50-100 micron, the particle diameter of polymer microballoon is the 10-40 micron, tubular fibre is PET Hollow fiber or polypropylene hollow fiber or pure aluminium silicate tubular fibre, its diameter is the 20-40 micron, and length is the 0.5-2 millimeter.
Described polymer microballoon can use the polymer microballoon of making by existing emulsion polymerization or suspension polymerization, but preferably adopt by the applicant on the same day the application, denomination of invention is that " a kind of polymer hollow microsphere and preparation method thereof " prepared polymer hollow microsphere and/or denomination of invention are " a kind of polymer phase-change microsphere and preparation method thereof " prepared polymer phase-change microsphere, and promptly described polymer microballoon is formed by polymer hollow microsphere and the polymer phase-change microsphere mixed by weight 0-1: 0-1.With the size grading of materials such as hollow glass or ceramic fine bead on, the particle diameter that preferably makes described polymer hollow microsphere is the 20-40 micron, the particle diameter of polymer phase-change microsphere is the 10-20 micron.
Embodiment 1
Add 100 parts of water glass powder by weight, 75 parts of particle diameters are 200 microns closed-cell expanded perlite, 75 parts of particle diameters are that 100 microns hollow glass micropearl is in Agravicmixer, start and mixed 10 minutes, with 75 parts particle diameters is that the mixed back of polymer phase-change microsphere that 40 microns polymer hollow microsphere and 75 parts of particle diameters are 20 microns adds in the Agravicmixer with 50 parts of latex powder in the lump, mix after 10 minutes, added 50 parts of water proof anti-seepage additives (SEAL-80) and 25 parts of Sodium Silicofluorides and thorough mixing again 15 minutes, adding 25 parts of diameters at last is 40 microns, and length is 2 millimeters PET Hollow fiber thorough mixing discharging packing after 20-30 minute.Mixed finished product and water can be constructed after being in harmonious proportion.The ratio that product and water are in harmonious proportion is 1: 1 (weight ratio).Be brushed on the flat aluminium alloy plate after the product for preparing and water is in harmonious proportion, brushing thickness is 2 millimeters, the temperature head that adds heat determination surface and hot face in the back of flat board is about 80 ℃, and (temperature of hot face is 140 ℃, the coating surface temperature is 58 ℃) and temperature to reach balance time be 8 hours, average effect of heat insulation is near 40 ℃/millimeter.
Embodiment 2
Add 200 parts of water glass powder by weight, 60 parts of particle diameters are 150 microns closed-cell expanded perlite, 15 parts of particle diameters are that 50 microns hollow ceramic microspheres is in Agravicmixer, start and mixed 10 minutes, with 50 parts of particle diameters is that the mixed back of polymer phase-change microsphere that 20 microns polymer hollow particles and 50 parts of particle diameters are 10 microns adds in the Agravicmixer with 25 parts of latex powder in the lump, mix after 10 minutes, added 25 parts of water proof anti-seepage additives (SAMTAK-3498) and 15 parts of Sodium Silicofluorides and thorough mixing again 15 minutes, adding 10 parts of diameters at last is 20 microns, and length is 0.5 millimeter pure aluminium silicate tubular fibre thorough mixing discharging packing after 20-30 minute.Mixed finished product and water can be constructed after being in harmonious proportion.The ratio that product and water are in harmonious proportion is 1: 1 (weight ratio).Be brushed on the flat aluminium alloy plate after the product for preparing and water is in harmonious proportion, brushing thickness is 2 millimeters, the temperature head that adds heat determination surface and hot face in the back of flat board is 45 ℃, and (temperature of hot face is 100 ℃, the coating surface temperature is 55 ℃) and temperature to reach balance time be 3 hours, average effect of heat insulation is near 23 ℃/millimeter.
Embodiment 3
Add 1000 parts of water glass powder by weight, 400 parts of particle diameters are 180 microns closed-cell expanded perlite, 200 parts of particle diameters are that 80 microns hollow glass micropearl is in Agravicmixer, start and mix after 10 minutes, add 300 parts of particle diameters and be polymer hollow particles and 300 parts of miscellany and 400 parts of latex powder that particle diameter is 15 microns a polymer phase-change microsphere of 30 microns, mix after 10 minutes, added 300 parts of water proof anti-seepage additives (ONTAMR-6) and 200 parts of Sodium Silicofluorides and thorough mixing again 15 minutes, adding 250 parts of diameters at last is 30 microns, and length is 1 millimeter polypropylene hollow fiber thorough mixing discharging packing after 20-30 minute.Mixed finished product and water can be constructed after being in harmonious proportion.The ratio that product and water are in harmonious proportion is 1: 1 (weight ratio).Be brushed on the flat aluminium alloy plate after the product for preparing and water is in harmonious proportion, brushing thickness is 2 millimeters, (temperature of hot face is 120 ℃ to the temperature head that adds heat determination surface and hot face in the back of flat board near 60 ℃, the coating surface temperature is 61 ℃) and temperature to reach balance time be 6 hours, average effect of heat insulation is near 30 ℃/millimeter.
Embodiment 4
Add 1000 parts of water glass powder by weight, 400 parts of particle diameters are 180 microns closed-cell expanded perlite, 150 parts of particle diameters are that 80 microns hollow glass micropearl is in Agravicmixer, start and mix after 10 minutes, add 500 parts of particle diameters and be polymer hollow microsphere and 250 parts of latex powder of 30 microns, mix after 10 minutes, added 250 parts of water proof anti-seepage additives (ONTAMR-6) and 150 parts of Sodium Silicofluorides and thorough mixing again 15 minutes, adding 100 parts of diameters at last is 40 microns, and length is 1 millimeter PET Hollow fiber thorough mixing discharging packing after 20-30 minute.Mixed finished product and water can be constructed after being in harmonious proportion.The ratio that product and water are in harmonious proportion is 1: 1 (weight ratio).Be brushed on the flat aluminium alloy plate after the product for preparing and water is in harmonious proportion, brushing thickness is 2 millimeters, (temperature of hot face is 120 ℃ to the temperature head that adds heat determination surface and hot face in the back of flat board near 62 ℃, the coating surface temperature is 58 ℃) and temperature to reach balance time be 4.5 hours, average effect of heat insulation is near 31 ℃/millimeter.
Embodiment 5
Add 1000 parts of water glass powder by weight, 375 parts of particle diameters are 150 microns closed-cell expanded perlite, 375 parts of particle diameters are that 50 microns hollow ceramic microspheres is in Agravicmixer, start and mix after 10 minutes, add 750 parts of particle diameters and be polymer phase-change microsphere and 250 parts of latex powder of 20 microns, mix after 10 minutes, added 250 parts of water proof anti-seepage additives (ONTAMR-6) and 125 parts of Sodium Silicofluorides and thorough mixing again 15 minutes, adding 75 parts of diameters at last is 20 microns, and length is 1 millimeter PET Hollow fiber thorough mixing discharging packing after 20-30 minute.Mixed finished product and water can be constructed after being in harmonious proportion.The ratio that product and water are in harmonious proportion is 1: 1 (weight ratio).Be brushed on the flat aluminium alloy plate after the product for preparing and water is in harmonious proportion, brushing thickness is 2 millimeters, (temperature of hot face is 120 ℃ to the temperature head that adds heat determination surface and hot face in the back of flat board near 56 ℃, the coating surface temperature is 64 ℃) and temperature to reach balance time be 12 hours, average effect of heat insulation is near 28 ℃/millimeter.
Embodiment 6
Add 900 parts of water glass powder by weight, 360 parts of particle diameters are 200 microns closed-cell expanded perlite, 270 parts of particle diameters are that 80 microns hollow glass micropearl is in Agravicmixer, start and mix after 10 minutes, add 200 parts of particle diameters and be polymer hollow microsphere and 400 parts of mixture and 240 parts of latex powder that particle diameter is 15 microns a polymer phase-change microsphere of 30 microns, mix after 10 minutes, added 240 parts of water proof anti-seepage additives (ONTAMR-6) and 120 parts of Sodium Silicofluorides and thorough mixing again 15 minutes, adding 120 parts of particle diameters at last is 30 microns, and length is 1 millimeter PET Hollow fiber thorough mixing discharging packing after 20-30 minute.Mixed finished product and water can be constructed after being in harmonious proportion.The ratio that product and water are in harmonious proportion is 1: 1 (weight ratio).Be brushed on the flat aluminium alloy plate after the product for preparing and water is in harmonious proportion, brushing thickness is 2 millimeters, (temperature of hot face is 120 ℃ to the temperature head that adds heat determination surface and hot face in the back of flat board near 64 ℃, the coating surface temperature is 56 ℃) and temperature to reach balance time be 8 hours, average effect of heat insulation is near 32 ℃/millimeter.