Semi-interpenetrating polymer cement-based flexible facing brick and manufacturing method thereof
A semi-interpenetrating network and polymer technology, applied in the field of semi-interpenetrating network polymer cement-based flexible facing bricks and their preparation, can solve the problems of low elongation at break, insufficient flexibility, poor tear resistance, etc. Good flammability, excellent softness, excellent water and oil repellency
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[0035] Example 1
[0036] A semi-interpenetrating network polymer cement-based flexible facing brick, and its preparation method includes the following steps:
[0037] 1) Weigh 25 parts of Portland White Cement No. 325#, 15 parts of 80 mesh stone powder, and 50 parts of 300 mesh quartz sand by weight, add them to the kneader, mix evenly to obtain mixed powder;
[0038] 2) Weigh 10 parts by weight of water-based epoxy resin emulsion (viscosity at 25°C is 500mPa.s, epoxy equivalent is 200g / mol), 2 parts fluorine-containing polyacrylate elastic emulsion, flame retardant 10 tripolyphosphoric acid 1 part, 1 part of inorganic pigment titanium dioxide and 10 parts of water, add them to the stirring tank and stir evenly to obtain a mixed emulsion;
[0039] 3) Add the mixed powder obtained in step 2) to the mixed emulsion obtained in step 1), stir well, and after mixing uniformly, add 1 part of polyethersulfone (PES), stir, react for 0.5 hours, and then add to solidify Add 10 parts of polyami...
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[0041] Example 2
[0042] A semi-interpenetrating network polymer cement-based flexible facing brick, and its preparation method includes the following steps:
[0043] 1) Weigh 20 parts of silicate white cement labeled 425#, 20 parts of 100-mesh stone powder, and 40 parts of 150-mesh quartz sand, add them to the kneader, and mix them evenly to obtain mixed powder;
[0044] 2) Weigh 15 parts of water-based epoxy resin emulsion (viscosity of 6,000mPa.s at 25°C, epoxy equivalent of 1,400g / mol), 5 parts of fluorinated polyacrylate elastic emulsion, 3 parts of flame retardant melamine, poly Add 5 parts of ammonium phosphate, 2 parts of inorganic pigment carbon black and 15 parts of water to the stirring tank and stir evenly to obtain a mixed emulsion;
[0045] 3) Add the mixed powder obtained in step 2) to the mixed emulsion obtained in step 1), stir well, and mix well, add 2 parts of polysulfone (PSF), stir, react for 1 hour, and then add the curing agent 3 parts of polyamide (viscosity ...
Example Embodiment
[0047] Example 3
[0048] A semi-interpenetrating network polymer cement-based flexible facing brick, and its preparation method includes the following steps:
[0049] 1) Weigh 15 parts of Portland White Cement 525#, 25 parts of 300 mesh stone powder, and 30 parts of 80 mesh quartz sand, add them to the kneader, mix evenly to obtain mixed powder;
[0050] 2) Weigh 20 parts of water-based epoxy resin emulsion (viscosity of 2,000 mPa.s at 25°C, epoxy equivalent of 800 g / mol), 2 parts of fluorinated polyacrylate elastic emulsion, and 5 parts of flame retardant melamine ammonium polyphosphate , 7 parts of ammonium polyphosphate, 1 part of inorganic pigment carbon black, 1 part of cadmium red and 10 parts of water, add them to the stirring tank and stir evenly to obtain a mixed emulsion;
[0051] 3) Add the mixed powder obtained in step 2) to the mixed emulsion obtained in step 1), stir thoroughly, and mix well, add 2 parts of polyether ketone (PEK), stir, react for 1 hour, and then add to...
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