Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and there is excellent water tolerance and radiation resistance, and there is fireproof elastic sealant cold-resistant, high temperature resistant, good flame resistance simultaneously.
The present invention adopts following technical scheme to achieve these goals:
A kind of fireproof elastic sealant, comprise the raw material of following weight part: acrylic ester emulsion 50-80 part, thiorubber 5-6 part, paracril 5-10 part, granite powder 3-5 part, the stone flour 2-3 of Erie part, attapulgite 2-3 part, bamboo-carbon fibre 3-5 part, cenosphere 2-3 part, granulated glass sphere 1-3 part, gas-phase silica 5-6 part, nano-calcium carbonate 5-8 part, ethyl silicon oil 10-12 part, aluminium hydroxide 3-4 part, dibutyltin diacetate 0.5-1.5 part, dibutyl phthalate 3-5 part, zinc borate 5-10 part, tetramethylolmethane 2-3 part, silicon-dioxide 2-3 part, paraffin oil 5-8 part.
Preferably, fireproof elastic sealant, comprises the raw material of following weight part: 60 parts of acrylic ester emulsions, 5 parts of thiorubber, 10 parts of paracrils, 5 parts of granite powders, 3 parts of Erie's stone flours, 2 parts of attapulgites, 4 parts of bamboo-carbon fibres, 2 parts of cenospheres, 2 parts of granulated glass spherees, 5 parts of gas-phase silicas, 6 parts of nano-calcium carbonates, 10 parts of ethyl silicon oils, 3 parts, aluminium hydroxide, 1.2 parts of dibutyltin diacetates, 4 parts of dibutyl phthalates, 6 parts of zinc borates, 2 parts of tetramethylolmethanes, 2 parts of silicon-dioxide, 6 parts of paraffin oils.
Described fireproof elastic sealant, preparation method is: first by said ratio, acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil are added in kneader, at 30-50 ℃, stir 20-30 minute; Add again granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere, at 50-80 ℃, stir 2-3 hour, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide to stir 1-2 hour, vacuumize and heat and be slowly warming up to 50-60 ℃, keep vacuum tightness-0.065 ± 0.002Mpa, insulated and stirred 1-2 hour.
Compared with the prior art, beneficial effect of the present invention is as follows:
By adding, granite powder, Erie's stone flour, attapulgite, cenosphere etc. are water-fast in the present invention, radiation hardness, high thermal resistance composition, in addition, the objectionable impurities such as bamboo-carbon fibre PARA FORMALDEHYDE PRILLS(91,95), benzene, toluene, ammonia and dust can be brought into play absorption, decompose the effect of peculiar smell and smelly eliminating.Fireproof elastic sealant of the present invention has excellent water tolerance and radiation resistance, and has cold-resistant, high temperature resistant and good flame retardant properties simultaneously.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
A kind of fireproof elastic sealant, comprises the raw material of following weight part: the raw material that comprises following weight part: 60 parts of acrylic ester emulsions, 5 parts of thiorubber, 10 parts of paracrils, 5 parts of granite powders, 3 parts of Erie's stone flours, 2 parts of attapulgites, 4 parts of bamboo-carbon fibres, 2 parts of cenospheres, 2 parts of granulated glass spherees, 5 parts of gas-phase silicas, 6 parts of nano-calcium carbonates, 10 parts of ethyl silicon oils, 3 parts, aluminium hydroxide, 1.2 parts of dibutyltin diacetates, 4 parts of dibutyl phthalates, 6 parts of zinc borates, 2 parts of tetramethylolmethanes, 2 parts of silicon-dioxide, 6 parts of paraffin oils.
Described fireproof elastic sealant, preparation method is: first by said ratio, acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil are added in kneader, stir 30 minutes at 40 ℃; Add again granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere, at 60 ℃, stir 3 hours, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide to stir 2 hours, vacuumize and heat and be slowly warming up to 60 ℃, keep vacuum tightness-0.065Mpa, insulated and stirred 2 hours.
Embodiment 2:
A kind of fireproof elastic sealant, comprises the raw material of following weight part: 50 parts of acrylic ester emulsions, 5 parts of thiorubber, 7 parts of paracrils, granite powder 3, part, 2 parts of Erie's stone flours, 2 parts of attapulgites, 3 parts of bamboo-carbon fibres, 2 parts of cenospheres, 1 part of granulated glass sphere, 5 parts of gas-phase silicas, 5 parts of nano-calcium carbonates, 10 parts of ethyl silicon oils, 3 parts, aluminium hydroxide, 0.7 part of dibutyltin diacetate, 3 parts of dibutyl phthalates, 8 parts of zinc borates, 2 parts of tetramethylolmethanes, 2 parts of silicon-dioxide, 5 parts of paraffin oils.
Described fireproof elastic sealant, preparation method is: first by said ratio, acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil are added in kneader, stir 30 minutes at 30 ℃; Add again granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere, at 50 ℃, stir 3 hours, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide to stir 2 hours, vacuumize and heat and be slowly warming up to 50 ℃, keep vacuum tightness-0.063Mpa, insulated and stirred 1 hour.
Embodiment 3:
A kind of fireproof elastic sealant, comprises the raw material of following weight part: 80 parts of acrylic ester emulsions, 6 parts of thiorubber, 10 parts of paracrils, 5 parts of granite powders, 3 parts of Erie's stone flours, 3 parts of attapulgites, 5 parts of bamboo-carbon fibres, 3 parts of cenospheres, 3 parts of granulated glass spherees, 6 parts of gas-phase silicas, 8 parts of nano-calcium carbonates, 12 parts of ethyl silicon oils, 4 parts, aluminium hydroxide, 1.5 parts of dibutyltin diacetates, 5 parts of dibutyl phthalates, 10 parts of zinc borates, 3 parts of tetramethylolmethanes, 3 parts of silicon-dioxide, 8 parts of paraffin oils.
Described fireproof elastic sealant, preparation method is: first by said ratio, acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil are added in kneader, stir 20 minutes at 50 ℃; Add again granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere, at 80 ℃, stir 2 hours, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide to stir 2 hours, vacuumize and heat and be slowly warming up to 60 ℃, keep vacuum tightness-0.067Mpa, insulated and stirred 2 hours.