CN104212189A - Preparation method of hot-melt adhesive viscosity-modified asphalt for pavements - Google Patents
Preparation method of hot-melt adhesive viscosity-modified asphalt for pavements Download PDFInfo
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- CN104212189A CN104212189A CN201410426944.5A CN201410426944A CN104212189A CN 104212189 A CN104212189 A CN 104212189A CN 201410426944 A CN201410426944 A CN 201410426944A CN 104212189 A CN104212189 A CN 104212189A
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Abstract
The invention discloses a preparation method of hot-melt adhesive viscosity-modified asphalt for pavements. The preparation method comprises the following steps: (1) preparing the following raw materials in parts by weight: 8%-12% of polyethylene, 5%-15% of hydrogenated rosin ester, 2%-4% of asbestos fiber, 1-3% of a crosslinking agent, 0.5-1.5% of an ultraviolet light absorber, and the balance of matrix asphalt, wherein the matrix asphalt comprises rock asphalt and the rock asphalt accounts for more than 20% of weight of the matrix asphalt; (2) putting the rock asphalt and petroleum asphalt into a heating cavity to heat to 210-230 DEG C, stirring until the temperature in the heating cavity is reduced to 170-190 DEG C, and then adding polyethylene under the continuously stirring condition; (3) after the polyethylene is evenly mixed, heating to 210-230 DEG C, and then adding the hydrogenated rosin ester, the crosslinking agent and the ultraviolet light absorber; and (4) after all raw materials are evenly mixed, cooling to 140-160 DEG C, adding the asbestos fiber to the mixture, and preparing the finished product after mixing evenly. The modified asphalt has the advantages of relatively large rigidity, relatively high flexural tensile strength, good anti-ageing effect, excellent holding power and the like.
Description
Technical field
The present invention relates to a kind of preparation method of road surfacing modifying asphalt, that be specifically related to is the preparation method of hot melt adhesive viscosity modified road pitch.
Background technology
The chocolate complex mixture that pitch is made up of hydrocarbon polymer and the nonmetal derivative thereof of different molecular weight, is in a liquid state, and is a kind of waterproof and dampproof and rot-resistant organic gel gel material.For industry and surfacings etc. such as coating, plastics, rubber.
Wherein, matrix pitch is divided into pitch earth and the large class of tar-bitumen two.Wherein, pitch earth is divided into again rock asphalt and petroleum pitch, and rock asphalt is that oil oozes out the residue of earth's surface after long-term exposure and evaporation, can be divided into lake pitch, rock asphalt, seabed pitch; Petroleum pitch is the product obtained after suitable art breading again by residual oil remaining for refining processing oil.Tar-bitumen is the product of tar after reprocessing that the organism such as coal, timber destructive distillation machining obtains, and can be divided into coal-tar pitch, wood pitch etc.
In civil engineering work, pitch is widely used water-proof material and impregnating material, is mainly used in the waterproof of roofing, ground, underground structure, timber, steel anticorrosion.Widely used pavement structure consolidating material in pitch or road engineering, since reform and opening-up, the economy of China remains growth at a high speed always, and Construction of Highway Traffic is advanced by leaps and bounds, and road bitumen manufacturing enterprise of China have also been obtained fast development.The pitch overwhelming majority adopted in engineering is petroleum pitch, and petroleum pitch is the mixture of complicated hydrocarbon polymer derivative composition nonmetal with it.Usual pitch flash points is between 240 DEG C ~ 330 DEG C, and burning-point is about higher than flash-point 3 DEG C ~ 6 DEG C of degree, and therefore construction temperature should control below flash-point.
The flow deformation of bituminous pavement is modal damage of bituminous pavement phenomenon in the world.According to statistics, in the maintenance statistics on road surface, 80% is about had to be the deformation failure caused because of rut.The bituminous pavement of different structure can be built up after being proportioned from the mineral material of different composition by bituminous material, comparatively extensive at application in highways.Especially heavy traffic paving asphalt and modifying asphalt achieve by without to having, ascending, qualitative leap from less to more, for tremendous contribution has been made in China's Road construction.
But the pitch of existing pavement usage is not long for work-ing life, easily aging, and thermotolerance is bad, road surface rigidity is inadequate and then cause pavement deformation.
Summary of the invention
The object of the invention is to solve existing bituminous pavement rigidity not and then cause the problem of pavement deformation, the preparation method of the hot melt adhesive viscosity modified road pitch that a kind of rigidity is comparatively large, bending tensile strength is higher is provided.
For solving above-mentioned shortcoming, technical scheme of the present invention is as follows:
The preparation method of hot melt adhesive viscosity modified road pitch, comprises the following steps,
(1) raw material of following weight part is prepared:
The fibrous magnesium silicate of the polyethylene of 8%-12%, the hydrogenated wood rosin glycerol ester of 5%-15%, 2%-4%, the linking agent of 1%-3%, the UV light absorber of 0.5%-1.5%, all the other are matrix pitch;
Include rock asphalt in described matrix pitch, rock asphalt weight accounts for more than 20% of matrix pitch weight;
(2) rock asphalt and petroleum pitch are put into heating cavity and be heated to 210-230 DEG C, then stir until when temperature in heating cavity is down to 170-190 DEG C, under the condition of Keep agitation, then add polyethylene;
(3) after polyethylene mixes, after being warming up to 210-230 DEG C, then hydrogenated wood rosin glycerol ester, linking agent and UV light absorber is added;
(4) after all mixing, cool to 140-160 DEG C, then add fibrous magnesium silicate in the mixture, after mixing, namely make finished product.
Preferably, described linking agent is selected from vinylformic acid, Hydroxyethyl acrylate, Propylene glycol monoacrylate, methacrylic acid, hydroxyethyl methylacrylate, Rocryl 410, Vinylstyrene, N hydroxymethyl acrylamide and diacetone-acryloamide(DAA).
Further, described UV light absorber is selected from benzophenone, Whitfield's ointment and benzotriazole.
Preferred as one, Raw of the present invention comprises the component of following weight part:
The polyethylene of 8%, the hydrogenated wood rosin glycerol ester of 15%, 4% fibrous magnesium silicate, the linking agent of 2%, the UV light absorber of 1.5%, all the other are matrix pitch; Include rock asphalt in described matrix pitch, rock asphalt accounts for 40% of matrix pitch weight.
Preferred as another kind, Raw of the present invention comprises the component of following weight part:
The polyethylene of 12%, the hydrogenated wood rosin glycerol ester of 10%, 4% fibrous magnesium silicate, the linking agent of 3%, the UV light absorber of 1%, all the other are matrix pitch; Include rock asphalt in described matrix pitch, rock asphalt accounts for 25% of matrix pitch weight.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention has the advantage that rigidity is comparatively large, bending tensile strength is higher, and the present invention simultaneously also has good anti-aging effect, continued adhesion excellent performance.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
The preparation method of hot melt adhesive viscosity modified road pitch, comprises the following steps,
(1) first all raw materials are prepared completely.
Raw material comprises polyethylene, the hydrogenated wood rosin glycerol ester of 15%, fibrous magnesium silicate, the linking agent of 2%, the UV light absorber of 1.5% of 4% that weight percent is 8%, and all the other are matrix pitch; Include rock asphalt in described matrix pitch, rock asphalt accounts for 60% of matrix pitch weight.
Wherein, UV light absorber is benzotriazole and salicylic mixture, and this benzotriazole and salicylic weight ratio are 1: 1; Described linking agent is the mixed preparation of Hydroxyethyl acrylate, Rocryl 410, N hydroxymethyl acrylamide and diacetone-acryloamide(DAA), and wherein Hydroxyethyl acrylate, Rocryl 410, weight ratio between N hydroxymethyl acrylamide and diacetone-acryloamide(DAA) are 1: 1: 2: 1.
That is, UV light absorber required in the present embodiment is obtained after being mixed according to the ratio that weight ratio is 1: 1 with Whitfield's ointment by the benzotriazole in the present embodiment.Linking agent required in the present embodiment is obtained after Hydroxyethyl acrylate, Rocryl 410, N hydroxymethyl acrylamide and diacetone-acryloamide(DAA) being mixed according to the ratio that weight ratio is 1: 1: 2: 1.
Matrix pitch by weight part to be 60% rock asphalt and weight part be 40% petroleum pitch form.
(2) rock asphalt and petroleum pitch are put into heating cavity and be heated to 220 DEG C, then stir until when temperature in heating cavity is down to about 180 DEG C, under the condition of Keep agitation, then add polyethylene.
(3) after polyethylene mixes, after being warming up to about 220 DEG C, then hydrogenated wood rosin glycerol ester, linking agent and UV light absorber is added.
(4) after all mixing, cool to about 150 DEG C, then add fibrous magnesium silicate in the mixture, after mixing, namely make the preparation method of hot melt adhesive viscosity modified road pitch of the present invention.
In the present embodiment, the high temperature rut of this modifying asphalt reaches 12159 times/mm, and ultimate compression strength reaches 5.3Mpa, and after aging by UV, the high temperature rut of this modifying asphalt reaches 11998 times/mm, and ultimate compression strength is 5.3Mpa.Thermotolerance reaches 83 DEG C, holds tack time and reaches 26min.
Embodiment 2
The present embodiment and the difference of embodiment 1 be the content of each component in raw material and composition different, composition and the weight percent thereof of concrete each component are as follows:
The present embodiment comprises polyethylene, the hydrogenated wood rosin glycerol ester of 10%, fibrous magnesium silicate, the linking agent of 3%, the UV light absorber of 1% of 4% of 12%, and all the other are matrix pitch; Include rock asphalt in described matrix pitch, rock asphalt accounts for 25% of matrix pitch weight.
Wherein, described linking agent is 1: 3: 2 by weight ratio vinylformic acid, hydroxyethyl methylacrylate and Vinylstyrene form.Described UV light absorber is made up of benzophenone.Described matrix pitch is made up of the rock asphalt of 25% weight part and the coal-tar pitch of 75% weight part.
In the present embodiment, the high temperature rut of this modifying asphalt reaches 16371 times/mm, and ultimate compression strength reaches 6.9Mpa, and after aging by UV, the high temperature rut of this modifying asphalt reaches 14086 times/mm, and ultimate compression strength is 6.8Mpa.Thermotolerance reaches 80 DEG C, holds tack time and reaches 31min.
Embodiment 3
The present embodiment and the difference of embodiment 1 be the content of each component in raw material and composition different, composition and the weight percent thereof of concrete each component are as follows:
The present embodiment comprises polyethylene, the hydrogenated wood rosin glycerol ester of 8%, fibrous magnesium silicate, the linking agent of 3%, the UV light absorber of 0.8% of 2% of 10%, and all the other are matrix pitch; Include rock asphalt in described matrix pitch, rock asphalt accounts for 40% of matrix pitch weight.
Wherein, described linking agent is 2: 1: 3 by weight ratio Hydroxyethyl acrylate, methacrylic acid and N hydroxymethyl acrylamide form.Described UV light absorber by weight ratio be 1: 2 benzophenone and benzotriazole form.Described matrix pitch is made up of the rock asphalt of 35% weight part and the coal-tar pitch of 65% weight part.
In the present embodiment, the high temperature rut of this modifying asphalt reaches 14151 times/mm, and ultimate compression strength reaches 5.9Mpa, and after aging by UV, the high temperature rut of this modifying asphalt reaches 14086 times/mm, and ultimate compression strength is 5.8Mpa.Thermotolerance reaches 76 DEG C, holds tack time and reaches 27min.
In summary, high temperature rut of the present invention reaches 10000 times/more than mm, and ultimate compression strength reaches more than 5Mpa, and ageing-resistant performance of the present invention is higher, Good Heat-resistance.Meanwhile, the present invention also can be used as pressure-sensitive adhesive tape and uses, and it is fabulous that it holds viscosity, and tack time of holding of the present invention can reach more than 25min.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopt principle of design of the present invention, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.
Claims (5)
1. the preparation method of hot melt adhesive viscosity modified road pitch, is characterized in that, comprise the following steps,
(1) raw material of following weight part is prepared:
The fibrous magnesium silicate of the polyethylene of 8%-12%, the hydrogenated wood rosin glycerol ester of 5%-15%, 2%-4%, the linking agent of 1%-3%, the UV light absorber of 0.5%-1.5%, all the other are matrix pitch;
Include rock asphalt in described matrix pitch, rock asphalt weight accounts for more than 20% of matrix pitch weight;
(2) rock asphalt and petroleum pitch are put into heating cavity and be heated to 210-230 DEG C, then stir until when temperature in heating cavity is down to 170-190 DEG C, under the condition of Keep agitation, then add polyethylene;
(3) after polyethylene mixes, after being warming up to 210-230 DEG C, then hydrogenated wood rosin glycerol ester, linking agent and UV light absorber is added;
(4) after all mixing, cool to 140-160 DEG C, then add fibrous magnesium silicate in the mixture, after mixing, namely make finished product.
2. the preparation method of hot melt adhesive viscosity modified road pitch according to claim 1, it is characterized in that, described linking agent is selected from vinylformic acid, Hydroxyethyl acrylate, Propylene glycol monoacrylate, methacrylic acid, hydroxyethyl methylacrylate, Rocryl 410, Vinylstyrene, N hydroxymethyl acrylamide and diacetone-acryloamide(DAA).
3. the preparation method of hot melt adhesive viscosity modified road pitch according to claim 1, it is characterized in that, described UV light absorber is selected from benzophenone, Whitfield's ointment and benzotriazole.
4. the preparation method of the hot melt adhesive viscosity modified road pitch according to any one of claims 1 to 3, it is characterized in that, described raw material comprises the component of following weight part:
The polyethylene of 8%, the hydrogenated wood rosin glycerol ester of 15%, 4% fibrous magnesium silicate, the linking agent of 2%, the UV light absorber of 1.5%, all the other are matrix pitch;
Include rock asphalt in described matrix pitch, rock asphalt accounts for 40% of matrix pitch weight.
5. the preparation method of the hot melt adhesive viscosity modified road pitch according to any one of claims 1 to 3, it is characterized in that, described raw material comprises the component of following weight part:
The polyethylene of 12%, the hydrogenated wood rosin glycerol ester of 10%, 4% fibrous magnesium silicate, the linking agent of 3%, the UV light absorber of 1%, all the other are matrix pitch;
Include rock asphalt in described matrix pitch, rock asphalt accounts for 25% of matrix pitch weight.
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| CN201410426944.5A CN104212189B (en) | 2014-08-27 | 2014-08-27 | The preparation method of PUR viscosity modified road pitch |
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| CN201410426944.5A CN104212189B (en) | 2014-08-27 | 2014-08-27 | The preparation method of PUR viscosity modified road pitch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086481A (en) * | 2015-08-21 | 2015-11-25 | 中国路桥工程有限责任公司 | Waste rubber and plastic polymer alloy stable type rubber modified asphalt and preparation technology thereof |
| CN106832975A (en) * | 2017-02-25 | 2017-06-13 | 江西省公路工程检测中心 | A kind of road asphalt modifying agent and preparation method thereof |
| CN107815129A (en) * | 2017-10-24 | 2018-03-20 | 上海市政工程设计研究总院（集团）有限公司 | A kind of preparation method of the excellent composite modified rubber asphalt of antistrip performance |
| CN108948755A (en) * | 2017-05-18 | 2018-12-07 | 济宁明升新材料有限公司 | It is a kind of improve Pavement Performance lignin-base phenolic resin adhesive and its application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074351A (en) * | 2006-05-19 | 2007-11-21 | 中国石油化工股份有限公司 | Hot-melt asphalt adhesive and its production |
| KR20100004159A (en) * | 2008-07-03 | 2010-01-13 | 주식회사 알. 브이 | Solvent-free modified asphalt waterproofing material for cold applications and preparing method for the same |
| CN101885870A (en) * | 2010-08-11 | 2010-11-17 | 陕西长大博源公路养护科技有限公司 | High-viscosity thin-layer bituminous mixture modifier and application thereof |
| CN103361025A (en) * | 2013-07-19 | 2013-10-23 | 北京东方雨虹防水技术股份有限公司 | Self-adhesive waterproof coiled material having high initial stickiness and preparation method thereof |
| CN103965829A (en) * | 2014-05-22 | 2014-08-06 | 宿迁金倍尔建筑材料有限公司 | Asphalt-based hot-melt pressure-sensitive adhesive and preparation method thereof |
-
2014
- 2014-08-27 CN CN201410426944.5A patent/CN104212189B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074351A (en) * | 2006-05-19 | 2007-11-21 | 中国石油化工股份有限公司 | Hot-melt asphalt adhesive and its production |
| KR20100004159A (en) * | 2008-07-03 | 2010-01-13 | 주식회사 알. 브이 | Solvent-free modified asphalt waterproofing material for cold applications and preparing method for the same |
| CN101885870A (en) * | 2010-08-11 | 2010-11-17 | 陕西长大博源公路养护科技有限公司 | High-viscosity thin-layer bituminous mixture modifier and application thereof |
| CN103361025A (en) * | 2013-07-19 | 2013-10-23 | 北京东方雨虹防水技术股份有限公司 | Self-adhesive waterproof coiled material having high initial stickiness and preparation method thereof |
| CN103965829A (en) * | 2014-05-22 | 2014-08-06 | 宿迁金倍尔建筑材料有限公司 | Asphalt-based hot-melt pressure-sensitive adhesive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 罗明: ""道路沥青改性的几种途径"", 《市政技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086481A (en) * | 2015-08-21 | 2015-11-25 | 中国路桥工程有限责任公司 | Waste rubber and plastic polymer alloy stable type rubber modified asphalt and preparation technology thereof |
| CN106832975A (en) * | 2017-02-25 | 2017-06-13 | 江西省公路工程检测中心 | A kind of road asphalt modifying agent and preparation method thereof |
| CN108948755A (en) * | 2017-05-18 | 2018-12-07 | 济宁明升新材料有限公司 | It is a kind of improve Pavement Performance lignin-base phenolic resin adhesive and its application |
| CN107815129A (en) * | 2017-10-24 | 2018-03-20 | 上海市政工程设计研究总院（集团）有限公司 | A kind of preparation method of the excellent composite modified rubber asphalt of antistrip performance |
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| CN104212189B (en) | 2016-05-18 |
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Inventor after: Xiao Hua Inventor before: Zeng Deming |
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Effective date of registration: 20160420 Address after: 810016 Nanjing Road, Xining, Qinghai, Nanjing Road, No. 189-29 Applicant after: Qinghai Xingli Highway and Bridge Engineering Co., Ltd. Address before: 610000 Chengdu City, Chenghua District Province, No. two North Ring Road, No. four, No. 1, with a layer of No. 2, No. 104 Applicant before: CHENGDU RONGDE CONSTRUCTION LABOR CO., LTD. |
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Address after: 810016 No. 189-29 Nanjing Road, Chengbei District, Qinghai, Xining Patentee after: Qinghai Xingli highway and Bridge Engineering Co., Ltd Address before: 810016 No. 189-29 Nanjing Road, Chengbei District, Qinghai, Xining Patentee before: Qinghai Xingli Highway and Bridge Engineering Co. |