Asphalt-based non-curable heat-resistant waterproof sealant and preparation method thereof
A waterproof sealing and non-curing technology, which is applied in the direction of chemical instruments and methods, asphalt material adhesives, non-polymer adhesive additives, etc., can solve the problems of corroded building structures, the inability to effectively judge the source of cracks, etc., and achieve sticky Good performance, good adhesion and high elongation
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Embodiment 1
[0033] This example provides an asphalt-based non-curing high-temperature resistant waterproof sealant suitable for scraping. The raw material formula is as follows in terms of weight percentage:
[0034] 70# petroleum asphalt 24%, naphthenic oil 10%, oxidized polyethylene modifier (Honeywell Comprehensive Technology Co., Ltd., 8903) 1%, 60 mesh desulfurized reclaimed rubber powder 25%, polyisobutylene (Jinan Xinshun Chemical Co., Ltd., pb2400) 7%, sodium bentonite 30%, sodium dodecyl sulfonate 3%.
[0035] The preparation process of asphalt-based non-curing high-temperature waterproof sealant is as follows: Add 70# petroleum asphalt into the reaction kettle, raise the temperature to 150°C, add naphthenic oil and desulfurized reclaimed rubber powder, stir and disperse at about 180°C for 1 hour, Cool down to 170°C, add oxidized polyethylene modifier and polyisobutylene, stir and disperse for half an hour, continue to cool down to 160°C, add sodium bentonite and sodium dod...
Embodiment 2
[0038] This embodiment provides a bitumen-based non-curing high-temperature resistant waterproof sealant suitable for spraying. The raw material formula is as follows in terms of weight percentage:
[0039] 70# petroleum asphalt 35%, naphthenic oil 5%, paraffin oil 10%, maleic anhydride modified polyethylene modifier (Honeywell Integrated Technology Co., Ltd., 8822) 3%, 50 mesh desulfurized reclaimed rubber powder 20 %, polyisobutylene (Jinan Xinshun Chemical Co., Ltd., pb2400) 2%, ethylene-propylene copolymer (Shenyang Zhongqi Petrochemical Co., Ltd., T612) 5%, sodium bentonite 15%, sodium alkylbenzene sulfonate 5%.
[0040] The preparation process of asphalt-based non-curing high-temperature waterproof sealant is as follows: Add 70# petroleum asphalt into the reaction kettle, raise the temperature to 150°C, add naphthenic oil, paraffin oil and desulfurized reclaimed rubber powder, stir and disperse at about 180°C for 1 After one hour, cool down to 170°C, add maleic anh...
Embodiment 3
[0043] This example provides an asphalt-based non-curing high-temperature resistant waterproof sealant suitable for grouting. The raw material formula is as follows in terms of weight percentage:
[0044] 70# petroleum asphalt 30%, aromatic oil 12%, polyethylene modifier (Honeywell Comprehensive Technology Co., Ltd., 8422) 2%, 60 mesh rubber powder 26%, hydrogenated styrene diene copolymer (Shanghai Fangtian Trading Co., Ltd., HT-524) 5%, sodium bentonite 20%, alkylphenol polyoxyethylene ether 5%.
[0045] The preparation process of asphalt-based non-curing high-temperature waterproof sealant is as follows: Add 70# petroleum asphalt into the reaction kettle, raise the temperature to 150°C, add aromatic oil and rubber powder, stir and disperse at about 180°C for 1 hour, cool down to 170°C ℃, add polyethylene modifier and styrene copolymer, stir and disperse for half an hour, continue to cool down to 160°C, add sodium bentonite and alkylphenol polyoxyethylene ether, stir a...
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