CN104592770A - Modified asphalt sealing paste and preparation method thereof - Google Patents
Modified asphalt sealing paste and preparation method thereof Download PDFInfo
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- CN104592770A CN104592770A CN201410806283.9A CN201410806283A CN104592770A CN 104592770 A CN104592770 A CN 104592770A CN 201410806283 A CN201410806283 A CN 201410806283A CN 104592770 A CN104592770 A CN 104592770A
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Abstract
The invention provides modified asphalt sealing paste and a preparation method thereof. By adopting the modified asphalt sealing paste and the preparation method thereof, the problem in the prior art that a water-proof system formed by a water-proof coiled material and the modified asphalt sealing paste can be easily punctured by plant roots because the modified asphalt sealing paste does not have the characteristic of root resistance can be solved. According to the modified asphalt sealing paste provided by the invention, a chemical root resisting agent is added into the modified asphalt sealing paste to ensure that the modified asphalt sealing paste cannot be punctured by the plant roots, and thus the modified asphalt sealing paste can synchronously have water-proof sealing and root-resisting characteristics.
Description
Technical field
The present invention relates to water-proof material technical field, particularly, relate to a kind of modifying asphalt sealing compound and preparation method thereof.
Background technology
In recent years, modifying asphalt sealing compound obtains application greatly and promotes in buildings waterproof field, be mainly used in horizontal joint, inner corner trim circular arc, waterproof roll edge and terminal receive the encapsulation process of head, but though the modifying asphalt sealing compound of producing in the market has good waterproof sealing effect, but all not there is root resistance function, especially when being applied to plantation top board or planted roof waterproof, system (water-proof system of waterproof roll and modifying asphalt sealing compound composition) root resistance effect is have impact on because it does not have root resistance characteristic, add by the hidden danger increasing waterproof layer seepage while root system of plant puncture risks.
Summary of the invention
The adopted technical scheme that solves the problem is a kind of modifying asphalt sealing compound, and described modifying asphalt sealing compound is by preparing with following raw material components: petroleum pitch, chemical root resistance agent, anti-aging agent, weighting agent, properties-correcting agent.
Preferably, described feed composition is respectively in massfraction: petroleum pitch 150-200 part; Chemistry root resistance agent 1-2 part; Anti-aging agent 0.1-3 part; Weighting agent 5-20 part; Properties-correcting agent 1-5 part.
Preferably, described petroleum pitch comprises the naphthenic base oil pitch that penetration degree is 70-200 (in 0.1mm).Preferredly can adopt A grade naphthenic base petroleum pitch.
Preferably, described chemical root resistance agent comprises B2 (bright Sheng), (the bright Sheng of B5) or HERBITECT root resistance agent (Busscher & Hoffman).
Preferably, described anti-aging agent comprises one or more in salol, UV light absorber, photostabilizer, sulphur, organo-peroxide.
Preferably, described UV light absorber comprises one or more in UV-P, UV-O, UV-531.Wherein, UV-P can purchased from city of Kunshan's culminant star dye chemical industry; UV-O can purchased from Hubei Ju Sheng Science and Technology Ltd.; UV-531 can purchased from Milan, Nanjing Chemical Co., Ltd.
Preferably, described photostabilizer comprises one or more in GW-540, ZX-70, HS-944.
Wherein, GW-540 can purchased from Shanghai one base Industrial Co., Ltd.; ZX-70 can be purchased from; HS-944 can purchased from Lucheng City, Wenzhou development Fine Chemical Works.
Preferably, described organo-peroxide comprises one or more in benzoyl peroxide (BPO), ditertiary butyl peroxide (DTBP), tertbutyl peroxide (TBHP).
Preferably, described weighting agent comprises one or more in light calcium carbonate, water-ground limestone, stone flour, lime powder, flyash, talcum powder, carbon black.
Preferably, described properties-correcting agent comprises one or more in styrene-butadiene-styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS) (SIS), styrene-ethylene-butylene-styrene block copolymer (SEBS), styrene ethylene-propylene-styrene type segmented copolymer (SEPS), polyolefin elastomer (POE LC670), regnerated rubber powder, butyl reclaimed rubber, butyronitrile reclaimed rubber.
Another object of the present invention is the preparation method providing a kind of modifying asphalt sealing compound, comprises the following steps:
Petroleum pitch is heated to the first temperature, adds properties-correcting agent and chemical root resistance agent in described petroleum pitch, swelling through first time at the second temperature, first time shears, the swelling petroleum pitch of the swelling acquisition of second time, and wherein, the second temperature is greater than the first temperature;
Add anti-aging agent, weighting agent in swelling petroleum pitch after, shear through second time at the second temperature and obtain modifying asphalt sealing compound.
Preferably, described first temperature is 140-160 DEG C; Described second temperature is 160-180 DEG C.
Preferably, the time that described first time is swelling is 5-15min; Described second time swelling time is 15-25min.
Preferably, described swelling stir speed (S.S.) is 2000-3000rpm, and the stir speed (S.S.) of described shearing is 3500-4500rpm.
Preferably, the time of described first time shearing is 30-50min; The time that described second time is sheared is 10-30min.
The invention provides a kind of modifying asphalt sealing compound for planting top board, realize modifying asphalt sealing compound do not pierced through by root system of plant by adding chemical root resistance agent in modifying asphalt sealing compound, make modifying asphalt sealing compound have waterproof sealing and root resistance characteristic concurrently simultaneously;
The present invention is mainly used in plantation waterproof roofing system, receive the encapsulation process of head as the plantation horizontal joint of top board, the process of inner corner trim circular arc and modifying asphalt root resistant waterproof roll edge and terminal, solve existing modifying asphalt sealing compound is pierced through waterproof layer in the application problem by root system of plant.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of modifying asphalt sealing compound, and the content of its component and each component is in table 1.
The preparation method of above-mentioned modifying asphalt sealing compound, comprises the following steps:
Petroleum pitch in stirred pot is heated to 140 DEG C, then adds properties-correcting agent and chemical root resistance agent, swelling 5min at 160 DEG C, shear 30min, swelling 15min;
Add anti-aging agent, weighting agent, at 160 DEG C of down cut 30min, discharging can obtain modifying asphalt sealing compound.Wherein, swelling stir speed (S.S.) is 2000rpm, and the stir speed (S.S.) of shearing is 3500rpm.
The modifying asphalt sealing compound of the present embodiment is carried out solid content, thermotolerance, low temperature flexibility, root resistance test, concrete test result is in table 1.
Above-mentioned each performance test methods is as follows:
The testing method of solid content: see GB/T 16777-2008 " Test methods for building waterproof coatings ".
The testing method of thermotolerance: be applied on aluminium sheet by after sample hot melt, coated area is (100 × 50) mm, and thickness is (2 ± 0.2) mm, under standard test condition, place 48h.Test specimen is vertically put into that constant temperature is to the electric drying oven with forced convection of specified temperature, the distance between test specimen and dry tank wall is not less than 50mm, and the center of test specimen should with the probe of thermometer in same level position.Take out after test specimen process 2h ± 15min, observe surface.Test 3 test specimens altogether.Record sample slide, drippage, trickling be no more than 2mm, be considered as fricton-tight, drippage, trickling, thermotolerance is qualified.
The testing method of low temperature flexibility: see GB/T 16777-2008 " Test methods for building waterproof coatings ".
The testing method of root resistance test: see JC/T 1075-2008 " planted roof root resistant waterproof roll " appendix A.
Embodiment 2:
The present embodiment provides a kind of modifying asphalt sealing compound, and the content of its component and each component is in table 1.
The preparation method of above-mentioned modifying asphalt sealing compound, comprises the following steps:
Petroleum pitch in stirred pot is heated to 160 DEG C, then adds properties-correcting agent and chemical root resistance agent, swelling 10min at 180 DEG C, shear 40min, swelling 20min;
Add anti-aging agent, weighting agent, at 180 DEG C of down cut 10min, discharging can obtain modifying asphalt sealing compound.Wherein, swelling stir speed (S.S.) is 3000rpm, and the stir speed (S.S.) of shearing is 4000rpm.
The modifying asphalt sealing compound of the present embodiment is carried out solid content, thermotolerance, low temperature flexibility, root resistance test, concrete test result is in table 1.
Above-mentioned each performance test methods is with embodiment 1.
Embodiment 3:
The present embodiment provides a kind of modifying asphalt sealing compound, and the content of its component and each component is in table 1.
The preparation method of above-mentioned modifying asphalt sealing compound, comprises the following steps:
Petroleum pitch in stirred pot is heated to 150 DEG C, then adds properties-correcting agent and chemical root resistance agent, swelling 15min at 155 DEG C, shear 50min, swelling 25min;
Add anti-aging agent, weighting agent, at 155 DEG C of down cut 20min, discharging can obtain modifying asphalt sealing compound.Wherein, swelling stir speed (S.S.) is 2500rpm, and the stir speed (S.S.) of shearing is 4500rpm.
The modifying asphalt sealing compound of the present embodiment is carried out solid content, thermotolerance, low temperature flexibility, root resistance test, concrete test result is in table 1.
Above-mentioned each performance test methods is with embodiment 1.
Embodiment 4:
The present embodiment provides a kind of modifying asphalt sealing compound, and the content of its component and each component is in table 1.
The preparation method of above-mentioned modifying asphalt sealing compound, comprises the following steps:
Petroleum pitch in stirred pot is heated to 155 DEG C, then adds properties-correcting agent and chemical root resistance agent, swelling 5min at 170 DEG C, shear 35min, swelling 15min;
Add anti-aging agent, weighting agent, at 170 DEG C of down cut 15min, discharging can obtain modifying asphalt sealing compound.Wherein, swelling stir speed (S.S.) is 2300rpm, and the stir speed (S.S.) of shearing is 4200rpm.
The modifying asphalt sealing compound of the present embodiment is carried out solid content, thermotolerance, low temperature flexibility, root resistance test, concrete test result is in table 1.
Above-mentioned each performance test methods is with embodiment 1.
Embodiment 5:
The present embodiment provides a kind of modifying asphalt sealing compound, and the content of its component and each component is in table 1.
The preparation method of above-mentioned modifying asphalt sealing compound, comprises the following steps:
Petroleum pitch in stirred pot is heated to 145 DEG C, then adds properties-correcting agent and chemical root resistance agent, swelling 10min at 165 DEG C, shear 15min, swelling 20min;
Add anti-aging agent, weighting agent, at 165 DEG C of down cut 25min, discharging can obtain modifying asphalt sealing compound.Wherein, swelling stir speed (S.S.) is 2700rpm, and the stir speed (S.S.) of shearing is 3900rpm.
The modifying asphalt sealing compound of the present embodiment is carried out solid content, thermotolerance, low temperature flexibility, root resistance test, concrete test result is in table 1.
Above-mentioned each performance test methods is with embodiment 1.
The content of component and component in each embodiment of table 1
The test result of modifying asphalt sealing compound performance prepared by each embodiment of table 2
Wherein: by representing in root resistance test, plantation casing punctures in advance without plant or penetration phenomenon.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (15)
1. a modifying asphalt sealing compound, is characterized in that, described modifying asphalt sealing compound is by preparing with following raw material components: petroleum pitch, chemical root resistance agent, anti-aging agent, weighting agent, properties-correcting agent.
2. modifying asphalt sealing compound as claimed in claim 1, it is characterized in that, described feed composition is respectively in massfraction: petroleum pitch 150-200 part; Chemistry root resistance agent 1-2 part; Anti-aging agent 0.1-3 part; Weighting agent 5-20 part; Properties-correcting agent 1-5 part.
3. modifying asphalt sealing compound as claimed in claim 1, it is characterized in that, described petroleum pitch comprises the naphthenic base oil pitch that penetration degree is 70-200 (in 0.1mm).
4. modifying asphalt sealing compound as claimed in claim 1, it is characterized in that, described chemical root resistance agent comprises the agent of B2, B5 or HERBITECT root resistance.
5. modifying asphalt sealing compound as claimed in claim 1, it is characterized in that, described anti-aging agent comprises one or more in salol, UV light absorber, photostabilizer, sulphur, organo-peroxide.
6. modifying asphalt sealing compound as claimed in claim 5, it is characterized in that, described UV light absorber comprises one or more in UV-P, UV-O, UV-531.
7. modifying asphalt sealing compound as claimed in claim 5, it is characterized in that, described photostabilizer comprises one or more in GW-540, ZX-70, HS-944.
8. modifying asphalt sealing compound as claimed in claim 5, it is characterized in that, described organo-peroxide comprises one or more in benzoyl peroxide, ditertiary butyl peroxide, tertbutyl peroxide.
9. modifying asphalt sealing compound as claimed in claim 1, it is characterized in that, described weighting agent comprises one or more in light calcium carbonate, water-ground limestone, stone flour, lime powder, flyash, talcum powder, carbon black.
10. modifying asphalt sealing compound as claimed in claim 1, it is characterized in that, described properties-correcting agent comprises one or more in styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer, styrene ethylene-propylene-styrene type segmented copolymer, polyolefin elastomer, regnerated rubber powder, butyl reclaimed rubber, butyronitrile reclaimed rubber.
The preparation method of 11. 1 kinds of modifying asphalt sealing compounds, is characterized in that, comprises the following steps:
Petroleum pitch is heated to the first temperature, adds properties-correcting agent and chemical root resistance agent in described petroleum pitch, swelling through first time at the second temperature, first time shears, the swelling petroleum pitch of the swelling acquisition of second time, and wherein, the second temperature is greater than the first temperature;
Add anti-aging agent, weighting agent in swelling petroleum pitch after, shear through second time at the second temperature and obtain modifying asphalt sealing compound.
The preparation method of 12. modifying asphalt sealing compounds as claimed in claim 11, it is characterized in that, described first temperature is 140-160 DEG C; Described second temperature is 160-180 DEG C.
The preparation method of 13. modifying asphalt sealing compounds as claimed in claim 11, is characterized in that, swelling time described first time is 5-15min; Described second time swelling time is 15-25min.
The preparation method of 14. modifying asphalt sealing compounds as claimed in claim 11, it is characterized in that, described swelling stir speed (S.S.) is 2000-3000rpm, and the stir speed (S.S.) of described shearing is 3500-4500rpm.
The preparation method of 15. modifying asphalt sealing compounds as claimed in claim 11, is characterized in that, the time that described first time shears is 30-50min; The time that described second time is sheared is 10-30min.
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| CN201410806283.9A CN104592770A (en) | 2014-12-19 | 2014-12-19 | Modified asphalt sealing paste and preparation method thereof |
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| CN201410806283.9A CN104592770A (en) | 2014-12-19 | 2014-12-19 | Modified asphalt sealing paste and preparation method thereof |
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Cited By (5)
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| CN106515142A (en) * | 2016-10-19 | 2017-03-22 | 嘉兴潮源新型建材股份有限公司 | Metal core self-repairing root resisting waterproof coiled material and preparation method thereof |
| CN106832979A (en) * | 2017-03-09 | 2017-06-13 | 山东京博石油化工有限公司 | A kind of buildings waterproof pitch caulked joint ointment and preparation method thereof |
| CN108501499A (en) * | 2018-04-10 | 2018-09-07 | 盘锦禹王防水建材集团有限公司 | The polyethylene copper ion waterproof roll of resistance to root thorn |
| CN111548640A (en) * | 2020-05-30 | 2020-08-18 | 潍坊石花化工建材有限公司 | Double root-resistant high polymer waterproof coiled material and preparation method thereof |
| CN113652173A (en) * | 2021-08-19 | 2021-11-16 | 重庆新天地华宇新材料集团有限公司 | Root-puncture-resistant high-polymer self-adhesive waterproof coiled material and production process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515142A (en) * | 2016-10-19 | 2017-03-22 | 嘉兴潮源新型建材股份有限公司 | Metal core self-repairing root resisting waterproof coiled material and preparation method thereof |
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| CN106832979B (en) * | 2017-03-09 | 2019-09-06 | 山东京博石油化工有限公司 | A kind of buildings waterproof pitch caulked joint ointment and preparation method thereof |
| CN108501499A (en) * | 2018-04-10 | 2018-09-07 | 盘锦禹王防水建材集团有限公司 | The polyethylene copper ion waterproof roll of resistance to root thorn |
| CN111548640A (en) * | 2020-05-30 | 2020-08-18 | 潍坊石花化工建材有限公司 | Double root-resistant high polymer waterproof coiled material and preparation method thereof |
| CN113652173A (en) * | 2021-08-19 | 2021-11-16 | 重庆新天地华宇新材料集团有限公司 | Root-puncture-resistant high-polymer self-adhesive waterproof coiled material and production process thereof |
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Application publication date: 20150506 |