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 that is 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, Erie stone flour 2-3 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: acrylic ester emulsion 60 parts, thiorubber 5 parts, paracril 10 parts, granite powder 5 parts, Erie's stone flour 3 parts, attapulgite 2 parts, bamboo-carbon fibre 4 parts, cenosphere 2 parts, granulated glass sphere 2 parts, gas-phase silica 5 parts, nano-calcium carbonate 6 parts, ethyl silicon oil 10 parts, 3 parts, aluminium hydroxide, dibutyltin diacetate 1.2 parts, dibutyl phthalate 4 parts, zinc borate 6 parts, tetramethylolmethane 2 parts, silicon-dioxide 2 parts, paraffin oil 6 parts.
Described fireproof elastic sealant, preparation method is: first add in kneader by said ratio by acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil, at 30-50 DEG C, stir 20-30 minute; Add granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere again, 2-3 hour is stirred at 50-80 DEG C, then gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide stirring 1-2 hour is added, vacuumize and heat and be slowly warming up to 50-60 DEG C, 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:
The present invention is by adding water-fast, radiation hardness, the high thermal resistance compositions such as granite powder, Erie's stone flour, attapulgite, cenosphere, in addition, the objectionable impurities such as bamboo-carbon fibre PARA FORMALDEHYDE PRILLS(91,95), benzene, toluene, ammonia and dust can 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 comprising following weight part: acrylic ester emulsion 60 parts, thiorubber 5 parts, paracril 10 parts, granite powder 5 parts, Erie's stone flour 3 parts, attapulgite 2 parts, bamboo-carbon fibre 4 parts, cenosphere 2 parts, granulated glass sphere 2 parts, gas-phase silica 5 parts, nano-calcium carbonate 6 parts, ethyl silicon oil 10 parts, 3 parts, aluminium hydroxide, dibutyltin diacetate 1.2 parts, dibutyl phthalate 4 parts, zinc borate 6 parts, tetramethylolmethane 2 parts, silicon-dioxide 2 parts, paraffin oil 6 parts.
Described fireproof elastic sealant, preparation method is: first add in kneader by said ratio by acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil, stirs 30 minutes at 40 DEG C; Add granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere again, stir 3 hours at 60 DEG C, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide stirs 2 hours, vacuumize and heat and be slowly warming up to 60 DEG C, 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: acrylic ester emulsion 50 parts, thiorubber 5 parts, paracril 7 parts, granite powder 3, part, Erie's stone flour 2 parts, attapulgite 2 parts, bamboo-carbon fibre 3 parts, cenosphere 2 parts, granulated glass sphere 1 part, gas-phase silica 5 parts, nano-calcium carbonate 5 parts, ethyl silicon oil 10 parts, 3 parts, aluminium hydroxide, dibutyltin diacetate 0.7 part, dibutyl phthalate 3 parts, zinc borate 8 parts, tetramethylolmethane 2 parts, silicon-dioxide 2 parts, paraffin oil 5 parts.
Described fireproof elastic sealant, preparation method is: first add in kneader by said ratio by acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil, stirs 30 minutes at 30 DEG C; Add granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere again, stir 3 hours at 50 DEG C, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide stirs 2 hours, vacuumize and heat and be slowly warming up to 50 DEG C, 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: acrylic ester emulsion 80 parts, thiorubber 6 parts, paracril 10 parts, granite powder 5 parts, Erie's stone flour 3 parts, attapulgite 3 parts, bamboo-carbon fibre 5 parts, cenosphere 3 parts, granulated glass sphere 3 parts, gas-phase silica 6 parts, nano-calcium carbonate 8 parts, ethyl silicon oil 12 parts, 4 parts, aluminium hydroxide, dibutyltin diacetate 1.5 parts, dibutyl phthalate 5 parts, zinc borate 10 parts, tetramethylolmethane 3 parts, silicon-dioxide 3 parts, paraffin oil 8 parts.
Described fireproof elastic sealant, preparation method is: first add in kneader by said ratio by acrylic ester emulsion, thiorubber, paracril, dibutyltin diacetate, dibutyl phthalate, zinc borate, tetramethylolmethane, paraffin oil, stirs 20 minutes at 50 DEG C; Add granite powder, Erie's stone flour, attapulgite, bamboo-carbon fibre, cenosphere, granulated glass sphere again, stir 2 hours at 80 DEG C, then add gas-phase silica, nano-calcium carbonate, ethyl silicon oil, aluminium hydroxide, silicon-dioxide stirs 2 hours, vacuumize and heat and be slowly warming up to 60 DEG C, keep vacuum tightness-0.067Mpa, insulated and stirred 2 hours.