CN105238081A - Reactive modified asphalt and production method therefor - Google Patents
Reactive modified asphalt and production method therefor Download PDFInfo
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- CN105238081A CN105238081A CN201410330746.9A CN201410330746A CN105238081A CN 105238081 A CN105238081 A CN 105238081A CN 201410330746 A CN201410330746 A CN 201410330746A CN 105238081 A CN105238081 A CN 105238081A
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- silane
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Abstract
The present invention aims to provide reactive modified asphalt and a production method therefor, in particular to provide the reactive modified asphalt which achieves chemical crosslinking and physical tenon action with concrete. The reactive adhesive modified asphalt is prepared from raw materials comprising asphalt, a rubber modifier and waterproof bridging agent. The modified asphalt provided by the invention can be used as an adhesive layer of a waterproof roll or can be directly used as a waterproof material for use, and generates very strong adhesive force with a cement base surface.
Description
Technical field
The present invention relates to a kind of response type modifying asphalt, be one can with cement concrete generation chemical reaction, produce the modifying asphalt of chemically crosslinked and the effect of physics mortise and tenon, and disclose the production method of this modifying asphalt.
Background technology
Modifying asphalt is the additive (properties-correcting agent) such as admixture rubber, resin, high molecular polymer, levigate rubber powder or other fillers in pitch, or takes measures such as pitch mild oxidation processing, and make the not easily embrittlement of pitch low temperature, high temperature not easily trickles.Its mechanism of modifying asphalt has two kinds, and one is change pitch chemical constitution, and two is properties-correcting agent is uniformly distributed in pitch form certain spacial framework.Current modifying asphalt on the market mainly contains: 1. rubber and thermoplastic elastomer modified pitch: comprising: natural rubber modifying asphalt, SBS modifying asphalt (using the most extensive), styrene butadiene rubber modified asphalt, chloroprene rubber modifying asphalt, cis-1,4-polybutadiene rubber modifying asphalt, isoprene-isobutylene rubber modifying asphalt, waste rubber and regenerated rubber modifying asphalt, other rubber-like modifying asphalts (as ethylene-propylene rubber(EPR), paracril etc.).2. plastics and synthetic resin modifying asphalt: comprising: polyethylene modified asphalt, ethane-acetic acid ethyenyl polymer modified asphalt, Polystyrene pitch, tonka-bean paulownia resin modified asphalt, epoxy resin modified asphalt, alpha-olefines unregulated polymer modifying asphalt.3. commixed type modified pitch of high polymer: join in pitch with two or more polymkeric substance simultaneously and modification is carried out to pitch, two or more polymkeric substance mentioned here can be two kinds of independent high molecular polymers, also can be in advance through the so-called high polymer alloy of blended formation polymer interpenetrating(polymer)networks.Above-mentioned modifying asphalt form of construction work is similar to hot melt adhesive, is with fiery heat modification pitch, constructs after making it melt again.Because the bonding force of modifying asphalt and basal plane is by physical adsorption power, so bonding force is not strong, be reversible, as water-proof material, because expanding with heat and contract with cold of basal plane is moved and cause coming unstuck, easily can there is channeling water, play drum phenomenon, finally cause waterproof layer to break, lose water-proof function.
The modifying asphalt produced for prior art is not strong as bonding force during water-proof material, the problem that construction is inconvenient, the Chinese patent of the present inventor's application: Application Number (patent): CN200910114456.X, title: carry out the waterproof roll that bonding worked in coordination with by chemically crosslinked and physics mortise and tenon with concrete; Open (bulletin) number: CN101694114A applies for (patent right) people: Guangxi Jiyusan Waterproof Decoration Co., Ltd., disclose and a kind ofly can work in coordination with the waterproof roll of bonding with cement concrete generation chemically crosslinked and physics mortise and tenon, its use waterproof glue be add in modifying asphalt can with the waterproof bridging agent of cement concrete generation chemical crosslink reaction, described waterproof bridging agent is poly-methylethoxy base silane or poly-naphthalene formaldehyde sulfonate salt.The active group contained due to these waterproof bridging agents can with cement concrete generation chemical crosslink reaction, thus the bonding force of content modified asphalt adhesive and basal plane is strong, and is irreversible, so water resistance is extremely outstanding.Its constructional method can adopt hot melt adhesive method or wet-laid process, and construct very easy, operating efficiency is very high.But poly-methylethoxy base silane cost of material is higher, causes product price human-oriented not, adopts poly-naphthalene formaldehyde sulfonate salt products obtained therefrom price to have certain advantage, but can slowly decompose in use procedure, produce the objectionable impuritiess such as formaldehyde.
Summary of the invention
The object of the invention is open a kind of response type modifying asphalt, be can with cement concrete generation chemical reaction, produce the modifying asphalt of chemically crosslinked and the effect of physics mortise and tenon, the waterproof bridging agent cost that it adopts is low, not easily decomposition discharges objectionable impurities, activity is large, and the chemically crosslinked power produced with cement concrete is strong.
Technical scheme of the present invention is:
Response type modifying asphalt, its composition comprises pitch, rubber modifier and waterproof bridging agent, each raw material composed as follows: pitch 40 ~ 80 weight part; Rubber modifier 8 ~ 20 weight part; Waterproof bridging agent 0.5 ~ 5 weight part.
Described pitch is 70 ~ No. 120 petroleum pitch.
Described rubber modifier is SBS rubber modifier, SBR rubber modifier, APP(APAO) asphalt modifier, isoprene-isobutylene rubber properties-correcting agent or chloroprene rubber properties-correcting agent, cis-1,4-polybutadiene rubber properties-correcting agent, polyisoprene rubber properties-correcting agent, SIS rubber modifier, SEBB properties-correcting agent, SEBS properties-correcting agent, natural rubber properties-correcting agent terpolymer EP rubber properties-correcting agent, ethylene-propylene rubber(EPR), silicon rubber, one or more mixtures in paracril.
One end of described waterproof bridging agent is combined with the group such as C=C double bond ,-OH ,-COOH of pitch, and the acid group that the other end produces after hydrated cementitious is combined, and erects a waterproof bridge.
Described waterproof bridging agent is the compound or the mixture that contain multiple functional group in a kind of molecule, a part of functional group in its molecule can with pitch generation crosslinking reaction, the reticulated structure that enhancing pitch and properties-correcting agent are formed, improve the physicals of modifying asphalt, another part functional group can with cement concrete generation chemical reaction, produce chemically crosslinked and physics mortise and tenon synergy, content modified asphalt adhesive be firmly adsorbed on concrete, formed firmly, waterproof layer closely.This kind of material can be the composition of any one or they in alkenylsiloxane, aminosiloxane, chlorocarbon radical siloxane, methacryloxy siloxanes or epoxy group(ing) siloxanes.
Described alkenylsiloxane is vinyl trichloro silane, vinyltrimethoxy silane, vinyltriethoxysilane, vinyl three (β-methoxy ethoxy) silane, vinyl triacyloxysilanes, three tert.-butoxy vinyl silanes, vinyl silane tri-butyl peroxy, allyltrimethoxysilanis or allyltriethoxysilane.
Described aminosiloxane is anilinomethyl trimethoxy silane, anilinomethyl triethoxysilane, N-(4-aminobutyl) amino methyl triethoxyl silane, gamma-amino propyl trimethoxy silicane, (3-aminopropyl) triethoxyl silane, N-methyl-3-aminopropyl trimethoxysilane, N-phenyl-3-TSL 8330, γ-(β-aminoethyl) aminopropyl trimethoxysilane, γ-(β-aminoethyl) aminopropyltriethoxy dimethoxysilane, γ-divinyl triammonium base propyl trimethoxy silicane, 3-aminophenyl Trimethoxy silane, 2-(4-N-benzyl quadrol base) ethyl trimethoxy silane or N, N-bis-(2-hydroxyethyl)-3-aminopropyl triethoxysilane.
Described chlorocarbon radical siloxane is γ-chloropropyl trichloro-silane, γ-r-chloropropyl trimethoxyl silane, γ-chloropropyl triethoxysilane or 2-(4-zephiran chloride) ethyl trimethoxy silane.
Described methacryloxy siloxanes is gamma-methyl allyl acyloxypropyl trichlorosilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, gamma-methyl allyl acyloxypropyl three (β-methoxy ethoxy) silane or gamma-methyl allyl acyloxypropyl three (trimethylsiloxane group) silane.
Described epoxy group(ing) siloxanes is 3-(2,3 epoxy third oxygen) propyl trimethoxy, β-(3,4 expoxycyclohexyl) ethyl trimethoxy silane, β-(3,4 expoxycyclohexyl) ethyl triethoxysilane or β-(3,4 expoxycyclohexyl) ethyl-methyl diethoxy silane.
The preparation method of response type modifying asphalt of the present invention, comprises the following steps: properties-correcting agent and petroleum pitch are stirred in 110-130 DEG C, swelling 0.5h; Be warming up to 180-200 DEG C again, modification 1-2h, then add waterproof bridging agent, stir 0.5h, to obtain final product.
The application of response type modifying asphalt of the present invention: can directly be used as waterproof glue or blade coating on macromolecule membrane, macromolecular sheet material, polyester non-woven fabric, metal sheet or glasscloth, make waterproof roll.
The present invention produce positively effect: response type modifying asphalt can with cement concrete generation chemical reaction, erect a waterproof bridge, produce chemically crosslinked and the effect of physics mortise and tenon, strong with the cohesive force of basal plane, form skin-type waterproof layer closely, be not easy to be subject to the displacement of basal plane and come unstuck, long service life, use procedure can not be decomposed, and produce objectionable impurities, form of construction work can adopt hot melt process or wet-laid process, easy construction, efficiency is high, avoid naked light to construct, and stop disaster hidden-trouble, working security is high.
Embodiment
embodiment 1
40 parts of No. 70 petroleum pitch join in reactor, add 8 parts of SBS rubber modifiers, be warmed up to 110 ~ 115 DEG C, stir 30min, then 180 ~ 185 DEG C are warming up to, continue stirring reaction 1h, add 0.5 part of vinyl triacyloxysilanes, stir 30min, be cooled to 120 ~ 130 DEG C, namely obtain response type modifying asphalt, spread upon on non-woven fabrics, make waterproof roll.
embodiment 2
60 parts of No. 90 petroleum pitch join in reactor, add 12 parts of SBR rubber modifiers, be warmed up to 115 ~ 120 DEG C, stir 30min, then 185 ~ 190 DEG C are warming up to, continue stirring reaction 1.5h, add 2 parts of N-phenyl-3-TSL 8330, stir 30min, be cooled to 120 ~ 130 DEG C, namely obtain response type modifying asphalt, spread upon on non-woven fabrics, make waterproof roll.
embodiment 3
66 parts of No. 90 petroleum pitch join in reactor, add 4 parts of SBS rubber modifiers and 12 parts of SBR rubber modifiers, be warmed up to 115 ~ 120 DEG C, stir 30min, then 185 ~ 190 DEG C are warming up to, continue stirring reaction 1.5h, add 3 parts of γ-chloropropyl triethoxysilanes, stir 30min, be cooled to 120 ~ 130 DEG C, namely obtain response type modifying asphalt, spread upon on non-woven fabrics, make waterproof roll.
embodiment 4
70 parts of No. 100 petroleum pitch join in reactor, add 8 parts of SIS rubber modifiers and 8 parts of cis-1,4-polybutadiene rubber properties-correcting agent, be warmed up to 120 ~ 130 DEG C, stir 30min, then 190 ~ 195 DEG C are warming up to, continue stirring reaction 2h, add 5 parts of gamma-methyl allyl acyloxypropyls three (trimethylsiloxane group) silane, stir 30min, be cooled to 120 ~ 130 DEG C, namely obtain response type modifying asphalt, spread upon on non-woven fabrics, make waterproof roll.
embodiment 5
60 parts of No. 90 petroleum pitch join in reactor, add 4 parts of SBR rubber modifiers and 4 parts of SEBS properties-correcting agent, are warmed up to 125 ~ 130 DEG C, stir 30min, be then warming up to 195 ~ 200 DEG C, continue stirring reaction 2h, add 3 parts of β-(3,4 expoxycyclohexyl) ethyl-methyl diethoxy silane, stirs 30min, is cooled to 120 ~ 130 DEG C, discharging, namely obtain response type modifying asphalt, spread upon on non-woven fabrics, make waterproof roll.
embodiment 6
80 parts of No. 120 petroleum pitch join in reactor, add 12 parts of polyisoprene rubber properties-correcting agent and 8 parts of APP(APAO) asphalt modifier, be warmed up to 125 ~ 130 DEG C, stir 30min, be then warming up to 195 ~ 200 DEG C, continue stirring reaction 1.5h, add 1 part of allyltrimethoxysilanis, stir 30min, be cooled to 90 ~ 100 DEG C, namely obtain response type modifying asphalt, be directly used as waterproof glue.
embodiment 7
75 parts of No. 100 petroleum pitch join in reactor, add 2 parts of SBS rubber modifiers and 8 parts of chloroprene rubber properties-correcting agent, be warmed up to 125 ~ 130 DEG C, stir 30min, then 195 ~ 200 DEG C are warming up to, continue stirring reaction 1.5h, add 0.6 part of β-(3,4 expoxycyclohexyl) ethyl trimethoxy silane, stir 30min, be cooled to 90 ~ 100 DEG C, namely obtain response type modifying asphalt, be directly used as waterproof glue.
comparative example
75 parts of No. 100 petroleum pitch join in reactor, add 2 parts of SBS rubber modifiers and 8 parts of chloroprene rubber properties-correcting agent, be warmed up to 125 ~ 130 DEG C, stir 30min, then be warming up to 195 ~ 200 DEG C, continue stirring reaction 1.5h, be cooled to 90 ~ 100 DEG C, namely modified asphalt is obtained, for the production of waterproof roll.
Test the water-proof material that above-described embodiment obtains according to the detection method in GB23457-2009 " overlay, wet paving waterproof roll ", result is as shown in table 1 below:
The constructional method of the waterproof roll that the response type modifying asphalt adopting the present invention to obtain is made comprises the following steps:
1. basal plane cleaning is clean, and with water-wet, spreading thickness is the grout or sand-cement slurry that 0.5 ~ 2mm is thick;
2. waterproof roll peels off barrier film, and grout is coated on surface, and thickness is 0.2 ~ 0.5mm;
3. the waterproof roll coating grout is layered on basal plane, gently presses coiled material surface, Exhaust Gas;
4. maintenance 1 ~ 2 day, when grout or sand-cement slurry are done solid work, namely forms waterproof layer closely.
Find out from above working procedure, waterproof coiled material construction does not need open firing coiled material, and easy construction, security are high, the waterproof layer of formation and the cohesive strength of concrete surface high, can reach more than 5Mpa, thus water resistance is excellent.
Claims (11)
1. a response type modifying asphalt, its raw material comprises: pitch, rubber modifier and waterproof bridging agent.
2. response type modifying asphalt as claimed in claim 1, is characterized in that, its composition comprises the raw material of following parts by weight: pitch 40 ~ 80; Rubber modifier 8 ~ 20; Waterproof bridging agent 0.5 ~ 5;
One end of described waterproof bridging agent is combined with the group such as C=C double bond ,-OH ,-COOH of pitch, and the acid group that the other end produces after hydrated cementitious is combined, and erects a waterproof bridge.
3. response type modifying asphalt as claimed in claim 1 or 2, it is characterized in that, described rubber modifier is one or more mixtures in SBS rubber modifier, SBR rubber modifier, APP asphalt modifier, isoprene-isobutylene rubber properties-correcting agent or chloroprene rubber properties-correcting agent, cis-1,4-polybutadiene rubber properties-correcting agent, polyisoprene rubber properties-correcting agent, SIS rubber modifier, SEBB properties-correcting agent, SEBS properties-correcting agent, natural rubber properties-correcting agent terpolymer EP rubber properties-correcting agent, ethylene-propylene rubber(EPR), silicon rubber, paracril.
4. response type modifying asphalt as claimed in claim 1 or 2, it is characterized in that, described waterproof bridging agent is the composition of any one or they in alkenylsiloxane, aminosiloxane, chlorocarbon radical siloxane, methacryloxy siloxanes or epoxy group(ing) siloxanes.
5. response type modifying asphalt as claimed in claim 4, it is characterized in that, described alkenylsiloxane is vinyl trichloro silane, vinyltrimethoxy silane, vinyltriethoxysilane, vinyl three (β-methoxy ethoxy) silane, vinyl triacyloxysilanes, three tert.-butoxy vinyl silanes, vinyl silane tri-butyl peroxy, allyltrimethoxysilanis or allyltriethoxysilane.
6. response type modifying asphalt as claimed in claim 4, it is characterized in that, described aminosiloxane is anilinomethyl trimethoxy silane, anilinomethyl triethoxysilane, N-(4-aminobutyl) amino methyl triethoxyl silane, gamma-amino propyl trimethoxy silicane, (3-aminopropyl) triethoxyl silane, N-methyl-3-aminopropyl trimethoxysilane, N-phenyl-3-TSL 8330, γ-(β-aminoethyl) aminopropyl trimethoxysilane, γ-(β-aminoethyl) aminopropyltriethoxy dimethoxysilane, γ-divinyl triammonium base propyl trimethoxy silicane, 3-aminophenyl Trimethoxy silane, 2-(4-N-benzyl quadrol base) ethyl trimethoxy silane or N, N-bis-(2-hydroxyethyl)-3-aminopropyl triethoxysilane.
7. response type modifying asphalt as claimed in claim 4, it is characterized in that, described chlorocarbon radical siloxane is γ-chloropropyl trichloro-silane, γ-r-chloropropyl trimethoxyl silane, γ-chloropropyl triethoxysilane or 2-(4-zephiran chloride) ethyl trimethoxy silane.
8. response type modifying asphalt as claimed in claim 4, it is characterized in that, described methacryloxy siloxanes is gamma-methyl allyl acyloxypropyl trichlorosilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, gamma-methyl allyl acyloxypropyl three (β-methoxy ethoxy) silane or gamma-methyl allyl acyloxypropyl three (trimethylsiloxane group) silane.
9. response type modifying asphalt as claimed in claim 4, it is characterized in that, described epoxy group(ing) siloxanes is 3-(2,3 epoxy third oxygen) propyl trimethoxy, β-(3,4 expoxycyclohexyl) ethyl trimethoxy silane, β-(3,4 expoxycyclohexyl) ethyl triethoxysilane or β-(3,4 expoxycyclohexyl) ethyl-methyl diethoxy silane.
10. the preparation method of response type modifying asphalt as claimed in claim 1 or 2, is characterized in that, comprise the following steps: properties-correcting agent and petroleum pitch are stirred in 110-130 DEG C, swelling 0.5h; Be warming up to 180-200 DEG C again, modification 1-2h, then add waterproof bridging agent, stir 0.5h, to obtain final product.
11. response type modifying asphalts as claimed in claim 1 or 2 are as waterproof glue or the application of producing waterproof roll.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410330746.9A CN105238081A (en) | 2014-07-12 | 2014-07-12 | Reactive modified asphalt and production method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410330746.9A CN105238081A (en) | 2014-07-12 | 2014-07-12 | Reactive modified asphalt and production method therefor |
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Cited By (7)
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| CN105778858A (en) * | 2016-03-16 | 2016-07-20 | 安徽海德石油化工有限公司 | Insulating and sealing adhesive prepared from petroleum asphalt |
| CN105860925A (en) * | 2016-05-06 | 2016-08-17 | 辽宁大禹防水科技发展有限公司 | Molecular adhesive used for TPZ waterproof rolls and preparation method of molecular adhesive |
| CN107175870A (en) * | 2016-03-09 | 2017-09-19 | 广西金雨伞防水装饰有限公司 | Strengthen the modified asphalt waterproof coiled material and its production method of overlap edge |
| WO2018074662A1 (en) * | 2016-10-21 | 2018-04-26 | 주식회사 엘지화학 | Asphalt modifier and asphalt composition comprising same |
| CN110436825A (en) * | 2019-07-24 | 2019-11-12 | 湖北大学 | A kind of pitch cold-repairing material antistripping agent and preparation method thereof |
| CN113293627A (en) * | 2021-05-21 | 2021-08-24 | 湖北九阳防水材料科技有限公司 | High-performance modified asphalt coiled material and preparation method thereof |
| CN114106574A (en) * | 2021-12-30 | 2022-03-01 | 四川蜀羊防水材料有限公司 | Anti-stripping self-adhesive asphalt waterproof coiled material and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107175870A (en) * | 2016-03-09 | 2017-09-19 | 广西金雨伞防水装饰有限公司 | Strengthen the modified asphalt waterproof coiled material and its production method of overlap edge |
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| KR101984725B1 (en) | 2016-10-21 | 2019-05-31 | 주식회사 엘지화학 | Asphalt Modifier Containing Blowing Agent and Asphalt Composition Comprising the same |
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| CN110436825A (en) * | 2019-07-24 | 2019-11-12 | 湖北大学 | A kind of pitch cold-repairing material antistripping agent and preparation method thereof |
| CN113293627A (en) * | 2021-05-21 | 2021-08-24 | 湖北九阳防水材料科技有限公司 | High-performance modified asphalt coiled material and preparation method thereof |
| CN114106574A (en) * | 2021-12-30 | 2022-03-01 | 四川蜀羊防水材料有限公司 | Anti-stripping self-adhesive asphalt waterproof coiled material and preparation method thereof |
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Application publication date: 20160113 |