CN100400600C - Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method - Google Patents
Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method Download PDFInfo
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- CN100400600C CN100400600C CNB2006100255044A CN200610025504A CN100400600C CN 100400600 C CN100400600 C CN 100400600C CN B2006100255044 A CNB2006100255044 A CN B2006100255044A CN 200610025504 A CN200610025504 A CN 200610025504A CN 100400600 C CN100400600 C CN 100400600C
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Abstract
The present invention discloses chemical blending modified asphalt, a preparation method thereof and a double-sided self-adhesive water-proof coiled material by a wet-paving method. The chemical blending modified asphalt is prepared from 100 to 150 portions of petroleum asphalt, 0.2 to 0.5 portion of initiating agent, 0.8 to 2.5 portions of inorganic salt addition agent, 5 to 12 portions of unvulcanized styrene-butadiene rubber, 2 to 10 portions of polyisobutylene, 1 to 5 portions of butylene rubber, 8 to 12 portions of plasticizing agent, 0.2 to 1.0 portion of stabilizing agent, 0.2 to 0.6 portion of vulcanizing agent and 5 to 10 portions of coumarone resin. Compared with polymer physical modified asphalt in the prior art, the chemical blending modified asphalt of the present invention has the characteristics of strong bonding force, strong penetrability, stable performance, high durability, good resistance to high temperature and low temperature, simple preparation technology, low cost, etc.
Description
Technical field:
The wet shop method double-sided self-adhesive waterproof coiled materials that the present invention relates to a kind of chemical blend modified asphalt and preparation method thereof and adopt this chemical blend modified asphalt preparation belongs to building material technical field.
Background technology:
At present, the pitch that is used to produce white adhesive aggregation compound asphaltic base waterproof roll mostly is the simple physics blend modified asphalt greatly, it is made by adding a large amount of mineral oil even used oil (being generally 15%～20%) and a spot of tackifying resin, creep properties and wettability by self realize the self-adhesion function, have that oil impregnate is strong, force of cohesion is low, shortcoming such as stability and poor durability, can ooze out or volatilize and lose adhesive property gradually along with butyrous in storage process or after using, autohension be poor.
Summary of the invention:
The objective of the invention is to: provide that a kind of white viscosity is strong, chemical blend modified asphalt and the preparation method and the two-sided white sticking waterproof roll of wet shop method of stability, good endurance, to overcome the deficiencies in the prior art.
The present invention is achieved in that chemical blend modified asphalt of the present invention is that feedstock production by following weight parts forms: 100～150 parts in petroleum pitch, 0.2～0.5 part of initiator, 0.8～2.5 part of inorganic additives, do not vulcanize 5～12 parts in styrene-butadiene rubber(SBR), 2～10 parts of polyisobutene, 1～5 part of isoprene-isobutylene rubber, 8～12 parts in softening agent, 0.2～1.0 part of stablizer, 0.2～0.6 part of vulcanizing agent, 5～10 parts of coumarone indene resins.
Say that accurately the optimum material proportion of chemical blend modified asphalt of the present invention is: petroleum pitch 120Kg, initiator 0.4Kg, inorganic additives 1.5Kg, do not vulcanize styrene-butadiene rubber(SBR) 8Kg, polyisobutene 6Kg, isoprene-isobutylene rubber 3Kg, softening agent 9Kg, stablizer 0.8Kg, vulcanizing agent 0.4Kg, coumarone indene resin 7Kg.
Described initiator is a sulfonic acid, and inorganic additives is a zinc chloride, and vulcanizing agent is octyl group phenolic aldehyde sulfuration resin, and stablizer is a metal oxide.
Chemical blend modified asphalt of the present invention is like this preparation: in temperature is 180 ℃～200 ℃ petroleum pitch, adds initiator and inorganic additives while stirring, stirred 30～40 minutes, obtain bitumen A, and standby; To not vulcanize styrene-butadiene rubber(SBR), polyisobutene, isoprene-isobutylene rubber, coumarone indene resin and softening agent and add in the mill mixing 10～20 minutes, obtain paste B, standby; The above-mentioned paste B that makes is added in the bitumen A, and the back that stirs adds vulcanizing agent and carries out crosslinking reaction, in temperature is to react 20～40 minutes under 155 ℃～165 ℃ the condition, adds stablizer, promptly obtains chemical blend modified asphalt of the present invention.
The wet shop method double-sided self-adhesive waterproof coiled materials that adopts above-mentioned chemical blend modified asphalt preparation is to constitute like this: it is made up of the sealing coat that is arranged in order from bottom to up (1), internal layer chemical blend modified asphalt layer (2), carcass reinforcement (3), outer chemical blend modified asphalt layer (4).
Sealing coat (1) is coated with silicon release film or paper for single face, also can be two-sided silicon release film or the paper of being coated with.
Carcass reinforcement (3) is polyester blank or glass fiber blank, also can be polyethylene film.
Outside stratification blend modified asphalt layer (4) above be bonded with powder sealing coat (5).
Powder sealing coat (5) is cement or other inorganic powder material.
The present invention adopts the pitch of multiple polymers and chemical modifier and process catalyzed reaction to carry out crosslinking reaction, petroleum pitch is carried out the chemical blend modification, form the reticulated structure of refining end band active group, make its existing certain force of cohesion, guaranteed the existence of system active group again, wet shop method double-sided self-adhesive waterproof coiled materials and the water made with chemical blend modified asphalt of the present invention
Silt particle slurry agglutinating mechanism is such: when installation of membrane behind the system surface that cement and water mix and stir, this moment, water was at cement particle surface generation chemical reaction, the hydrated product that generates accumulates in cement particle surface and forms gel film, it slows down the cement reaction, and the gel film that the surface forms makes cement slurry have plasticity-.Because the colloidal hydrated product that generates constitutes loose reticulated structure in some some contact, slurry is lost flowability and plasticity-, at this moment is initial set.Because also there is large quantity of moisture in the initial set stage in gel film layer outside, the active group of the chemical blend modified asphalt coating systems of coiled material does not possess infiltration and viscosifying power owing to the existence of moisture at this moment, after this because moisture constantly infiltrates and carries out hydration reaction in the gel film layer, thin film layer is inwardly thickened; Simultaneously, outside the hydrate of external diffusion is gathered in rete, rete is outwards thickened by thin film layer.Because moisture infiltrates the speed of rete inside greater than the speed of hydrate to external diffusion, thereby produces seepage water pressure, the saturated solution of the inner hydrate of rete is outwards outstanding to cause rete to break.Breaking of rete makes hydrate contact rapidly and widely with water, reaction is quickened again, generate the hydrates such as hydrated silicate gel, calcium hydroxide and aquation calcium sulphoaluminate of more amount, they contact with each other adhesion, lose plasticity-fully to certain degree slurry, set up the reticulated structure of mutual winding, and in reticulated structure, constantly enrich hydrate, at this moment be final set, slurry produces intensity gradually and enters sclerosis stage formation petrifying water mudstone afterwards.Cement stone is by gel, crystal, pore and unhydrated cement clinker granulometric composition.Just slurry from final set to the sclerosis this stage, because the active group that the fading away of moisture makes the chemical blend modified asphalt coating systems recovers infiltration and viscosifying power gradually to the pore infiltration of cement stone, and produce bonding with gel, crystal in the cement stone, after to a certain degree, just combine together, realize permanent bonding with cement stone with cement stone.Compare with prior art polymers physically modified pitch, characteristics such as chemical blend modified asphalt of the present invention has that bonding, seepage force are strong, stable performance, weather resistance and high and low temperature resistance are good, and also its preparation technology is simple, and cost is lower.
Description of drawings:
Accompanying drawing 1 is provided with the structural representation of powder sealing coat for wet shop of the present invention method double-sided self-adhesive waterproof coiled materials;
Accompanying drawing 2 is not for being provided with the structural representation of powder sealing coat for wet shop of the present invention method double-sided self-adhesive waterproof coiled materials.
Embodiment:
Embodiments of the invention: in the 120Kg temperature is 180 ℃～200 ℃ petroleum pitch, add the initiator (as sulfonic acid) of 0.4Kg and the inorganic additives (as zinc chloride) of 1.5Kg while stirring, the chemical reaction that inorganic additives promptly has sour gas to emit with pitch under action of evocating, the asphaltene molecule amount that stirs after 35 minutes through catalyzed reaction increases, active group increases, obtain bitumen A, standby; The not sulfuration styrene-butadiene rubber(SBR) (be called for short and do not vulcanize SBR) of 8Kg, the polyisobutene of 6Kg, the isoprene-isobutylene rubber of 3Kg, the coumarone indene resin of 7Kg and the softening agent of 9Kg are added in the mill, obtaining in mixing 15 minutes can be directly miscible with pitch, the paste B of reaction, standby; The above-mentioned paste B that makes is added in the bitumen A, the vulcanizing agent (as octyl group phenolic aldehyde sulfuration resin) that adds 0.4Kg after stirring, make bitumen A and paste B carry out crosslinking reaction, form the reticulated structure of refining end band active group, this moment, strict controlled temperature was at 155 ℃～165 ℃, at the stablizer (as metal oxide) of the adding 0.8Kg after 30 minutes of reaction under this temperature, to suppress proceeding of crosslinking reaction, avoid crosslinked excessive, promptly obtain chemical blend modified asphalt of the present invention.
Wet shop method double-sided self-adhesive waterproof coiled materials with above-mentioned chemical blend modified asphalt preparation is to constitute like this, as shown in Figure 1, it is made up of the sealing coat that is arranged in order from bottom to up (1), internal layer chemical blend modified asphalt layer (2), carcass reinforcement (3), outer chemical blend modified asphalt layer (4), wherein sealing coat (1) adopts single face to be coated with silicon release film or paper, carcass reinforcement (3) is traditional polyester blank or glass fiber blank, also can be polyethylene film; Internal layer chemical blend modified asphalt layer (2) and outer chemical blend modified asphalt layer (4) are made by above-mentioned chemical blend modified asphalt.Outside stratification blend modified asphalt layer (4) above be bonded with powder sealing coat (5), powder sealing coat (5) is cement or other inorganic powder material, when coiled material carries out clot aborning, coiled material curls toward the direction of powder sealing coat (5), prevent the adhesion effect between the coiled material when playing the production clot, if when construction also played the effect that prevents sticking pin (footwear) when adopting the method for overlaying need carry out operation such as assembling reinforcement on the coiled material surface, take the sealing coat (1) that adopts single face to be coated with silicon release film or paper during construction earlier off, be laid on coiled material on the basal plane in advance, and the powder sealing coat (5) of surface layer with after water the bonding of participating in the hydration reaction of system directly when the cement system combines and can not influencing coiled material and cement stone, thereby saved one deck release film or paper, also made things convenient for the postorder operation operation of adopting when overlaying the method construction.
Wet shop method double-sided self-adhesive waterproof coiled materials with above-mentioned chemical blend modified asphalt preparation can also be to constitute like this, as shown in Figure 2, it is made up of the sealing coat that is arranged in order from bottom to up (1), internal layer chemical blend modified asphalt layer (2), carcass reinforcement (3), outer chemical blend modified asphalt layer (4), and wherein sealing coat (1) adopts two-sided silicon release film or the paper of being coated with; Carcass reinforcement (3) is traditional polyester blank or glass fiber blank, also can be polyethylene film; Internal layer chemical blend modified asphalt layer (2) and outer chemical blend modified asphalt layer (4) are made by above-mentioned chemical blend modified asphalt, outside the top powder sealing coat of not establishing of stratification blend modified asphalt layer (4).
When coiled material carries out clot aborning, the coiled material direction of stratification blend modified asphalt layer (4) outward curls, because what the sealing coat (1) of coiled material bottom adopted is two-sided silicon release film or the paper of being coated with, has two-sided release, antiseized effect, promptly adopt one deck isolated material just can realize the rolling packing of coiled material, economize on resources and packing cost.During construction coiled material is opened; the outer chemical blend modified asphalt layer (4) that exposes is out laid downwards; treat to take off again after coiled material bonding firmly that up two-sided is coated with the silicon release film or paper carries out next construction, open two-sided being coated with and directly to lay protective layer behind silicon release film or the paper or the brushing thermal insulating coating directly exposes.
Claims (9)
1. chemical blend modified asphalt is characterized in that: it is that feedstock production by following weight parts forms: 100～150 parts in petroleum pitch, 0.2～0.5 part of initiator, 0.8～2.5 part of inorganic additives, do not vulcanize 5～12 parts in styrene-butadiene rubber(SBR), 2～10 parts of polyisobutene, 1～5 part of isoprene-isobutylene rubber, 8～12 parts in softening agent, 0.2～1.0 part of stablizer, 0.2～0.6 part of vulcanizing agent, 5～10 parts of coumarone indene resins.
2. chemical blend modified asphalt according to claim 1 is characterized in that: it is that feedstock production by following weight forms: petroleum pitch 120Kg, initiator 0.4Kg, inorganic additives 1.5Kg, do not vulcanize styrene-butadiene rubber(SBR) 8Kg, polyisobutene 6Kg, isoprene-isobutylene rubber 3Kg, softening agent 9Kg, stablizer 0.8Kg, vulcanizing agent 0.4Kg, coumarone indene resin 7Kg.
3. chemical blend modified asphalt according to claim 1 and 2 is characterized in that: described initiator is a sulfonic acid, and inorganic additives is a zinc chloride, and vulcanizing agent is octyl group phenolic aldehyde sulfuration resin, and stablizer is a metal oxide.
4. the preparation method of a chemical blend modified asphalt as claimed in claim 1 is characterized in that: in temperature is 180 ℃～200 ℃ petroleum pitch, adds initiator and inorganic additives while stirring, stirred 30～40 minutes, obtain bitumen A, and standby; To not vulcanize styrene-butadiene rubber(SBR), polyisobutene, isoprene-isobutylene rubber, coumarone indene resin and softening agent and add in the mill mixing 10～20 minutes, obtain paste B, standby; The above-mentioned paste B that makes is added in the bitumen A, and the back that stirs adds vulcanizing agent and carries out crosslinking reaction, in temperature is to react 20～40 minutes under 155 ℃～165 ℃ the condition, adds stablizer, promptly obtains chemical blend modified asphalt of the present invention.
5. wet shop method double-sided self-adhesive waterproof coiled materials that adopts chemical blend modified asphalt preparation as claimed in claim 1, it is characterized in that: it is made up of the sealing coat that is arranged in order from bottom to up (1), internal layer chemical blend modified asphalt layer (2), carcass reinforcement (3), outer chemical blend modified asphalt layer (4).
6. wet shop according to claim 5 method double-sided self-adhesive waterproof coiled materials, it is characterized in that: sealing coat (1) is coated with silicon release film or paper for single face, also can be two-sided silicon release film or the paper of being coated with.
7. wet shop according to claim 5 method double-sided self-adhesive waterproof coiled materials, it is characterized in that: carcass reinforcement (3) is polyester blank or glass fiber blank, also can be polyethylene film.
8. wet shop according to claim 5 method double-sided self-adhesive waterproof coiled materials is characterized in that: outside stratification blend modified asphalt layer (4) above be bonded with powder sealing coat (5).
9. wet shop according to claim 8 method double-sided self-adhesive waterproof coiled materials is characterized in that: powder sealing coat (5) is cement or other inorganic powder material.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100255044A CN100400600C (en) | 2006-04-07 | 2006-04-07 | Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method |
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| CNB2006100255044A CN100400600C (en) | 2006-04-07 | 2006-04-07 | Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method |
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| CN1827698A CN1827698A (en) | 2006-09-06 |
| CN100400600C true CN100400600C (en) | 2008-07-09 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101967868B (en) * | 2010-07-13 | 2012-10-10 | 北京立高科技股份有限公司 | High-self-adhesive waterproof roll material of SBS (Styrene-Butadiene-Styrene) modified asphalt and production process thereof |
| CN102031833B (en) * | 2010-12-10 | 2011-12-28 | 上海台安工程实业有限公司 | High-performance synthetic rubber asphalt waterproof coiled material |
| CN103556788B (en) * | 2013-08-09 | 2016-05-11 | 广西青龙化学建材有限公司 | A kind of adhesive waterproof coil and its preparation method and using method |
| CN107815130A (en) * | 2017-11-17 | 2018-03-20 | 北京市住房和城乡建设科学技术研究所（北京市房屋安全鉴定总站） | Butyl rubber modified asphalt waterproof material and its preparation method and application |
| CN108384256A (en) * | 2018-02-02 | 2018-08-10 | 安徽特能充新能源科技有限公司 | A kind of waterproof material for charging pile shell |
| CN109624433A (en) * | 2018-11-06 | 2019-04-16 | 固安金盾时代建筑防水材料有限公司 | A kind of moisture-proof heat-insulation energy conservation and environmental protection waterproof roll and preparation method thereof |
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Patent Citations (8)
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| SU621715A1 (en) * | 1976-12-27 | 1978-08-30 | Акмянский Комбинат Строительных Материалов | Sealing compound |
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