阅读说明：本技术 一种彩色化学改性树脂沥青及其制备方法 (Colored chemically modified resin asphalt and preparation method thereof ) 是由 魏亚 封基良 赵锡森 袁广学 晏永 张林艳 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种彩色化学改性树脂沥青其制备方法,该沥青由A、B、C三个组分组成,A组分为环氧树脂；B组分由固化剂、石油树脂、浅色油基溶剂、天然橡胶和活性增容剂组成,质量份数为固化剂0.5-5份,石油树脂1-5份,浅色油基溶剂3-12份,天然橡胶0-3份,活性增容剂0-3份；C组分为彩色颜料；A组分与B组分的质量比为1:3-1:15,A和B两组分质量和与C组份的质量比为2:1-5:1；本发明的彩色化学改性树脂沥青,具有色彩鲜亮、强度高、柔韧性好、使用寿命长、颜色耐久性好等优点；A组分与B组分存储稳定性好,施工应用方便。本发明适用于公园道路路面、广场铺面、特殊道路抗滑表层等,性能优、又具有警示和美化作用,应用前景广。(The invention discloses a color chemical modified resin asphalt and a preparation method thereof, wherein the asphalt consists of A, B, C three components, wherein the component A is epoxy resin; the component B comprises 0.5-5 parts of curing agent, 1-5 parts of petroleum resin, 3-12 parts of light-color oil-based solvent, 0-3 parts of natural rubber and 0-3 parts of active compatibilizer in parts by mass; the component C is a color pigment; the mass ratio of the component A to the component B is 1:3-1:15, and the mass ratio of the component A to the component B to the component C is 2:1-5: 1; the color chemically modified resin asphalt has the advantages of bright color, high strength, good flexibility, long service life, good color durability and the like; the A component and the B component have good storage stability and are convenient to construct and apply. The invention is suitable for park road surfaces, square paving, special road skid-resistant surface layers and the like, has excellent performance, has the functions of warning and beautifying and has wide application prospect.)

1. A color chemical modified resin asphalt is characterized in that: the composition comprises a component A, a component B and a component C, wherein the mass ratio of the component A to the component B is 1:3-1:15, and the mass ratio of the component A to the component B to the component C is 2:1-5: 1;

the component A is epoxy resin;

the component B comprises the following components in parts by mass:

the component C is a color pigment.

2. The color chemically modified resinous asphalt of claim 1, wherein: the epoxy resin is bisphenol A type epoxy resin.

3. The color chemically modified resinous asphalt of claim 1, wherein: the curing agent is a high-molecular amine curing agent or an acid liver curing agent.

4. The color chemically modified resinous asphalt of claim 1, wherein: the petroleum resin is a thermoplastic resin produced by pretreating, polymerizing and distilling a C5 or C9 fraction which is a byproduct in petroleum cracking.

5. The color chemically modified resinous asphalt of claim 1, wherein: the thermoplastic resin is aliphatic petroleum resin C5, alicyclic petroleum resin DCPD, aromatic petroleum resin C9, C5 aliphatic and C9 aromatic copolymer resin or hydrogenated petroleum resin.

6. The color chemically modified resinous asphalt of claim 1, wherein: the light-color oil-based solvent refers to saturated hydrocarbon or aromatic compounds with one or more rings in the molecular structure.

7. The color chemically modified resinous asphalt of claim 1, wherein: the natural rubber is milk white glue juice or a product thereof flowing out after rubber tapping of a rubber tree.

8. The color chemically modified resinous asphalt of claim 1, wherein: the active compatibilizer is one or a mixture of more of extract oil of a furfural section in petroleum refining, phenolic residue oil distilled by decomposition of cumene hydroperoxide, pine oil series rubber oil, coal tar series rubber oil, or paraffin base, naphthenic base or aromatic base and aromatic base modified petroleum series rubber oil.

9. The color chemically modified resinous asphalt of claim 1, wherein: the color pigment is one or a mixture of several of the following: cinnabar, red earth, realgar, titanium white, chrome yellow, iron blue, cadmium red, cadmium yellow, lithopone, carbon black, iron oxide red and iron oxide yellow.

10. The method for preparing the colored chemically modified resin asphalt as claimed in claim 1, wherein the method comprises the following steps: according to the mass portion of claim 1, mixing the light-color oil-based solvent and the natural rubber at normal temperature, and uniformly stirring; placing the mixture obtained after mixing, called mixture 1 for short, in an oil bath kettle at the temperature of 80-100 ℃ for constant-temperature stirring, wherein the stirring speed is controlled at 60-120 r/min; stirring until no bubbles exist, heating to 130-140 ℃, then increasing the rotating speed of the stirrer to 600-800 r/min, taking out the uniformly stirred mixture, which is called as mixture 2 for short, and placing the mixture in an oven at 140 ℃ for later use; respectively placing petroleum resin, a curing agent and an active compatibilizer in parts by mass according to the parts by mass of claim 1 in a container, placing the container in an oven at 140 ℃ to a constant temperature, then sequentially pouring the petroleum resin, the curing agent and the compatibilizer into the mixture 2, and finally producing or processing the mixture by a colloid mill or a high-speed shearing machine to obtain a colored chemically modified resin asphalt component B; the component A is bisphenol A type epoxy resin, and is placed in an oven, and the temperature is raised to 60-80 ℃ for standby; the component C is color pigment and is placed in an oven, and the temperature is raised to 140 ℃ for standby application; the preparation method comprises the following steps of (1) preparing a component A and a component B according to the mass ratio of the component A to the component B of 1:3-1:15, and the mass ratio of the component A to the component B to the component C of 2:1-5: 1; when in use, A, B, C parts which are heated to the target temperature are uniformly mixed according to the required proportion to obtain the colored chemically modified resin asphalt; A. b, C the components are physically mixed before being merged, the performance is improved and promoted by blending, A, B, C three components are mixed, the curing agent and the epoxy resin are subjected to curing reaction to form an epoxy curing system which is a continuous phase, the curing agent and the epoxy resin are uniformly mixed outside to form a three-dimensional insoluble infusible thermosetting network structure of a filling phase, the material is subjected to phase transition, and the filling component plays roles of increasing flexibility and toughening in the three-dimensional structure, so that the high-strength high-modulus high-fatigue-resistance high-strength high-toughness high-tenacity wear-resistance high-toughness high-tenacity wear-resistance low-aging resistance high-durability color.

Technical Field

The invention relates to the technical field of asphalt and preparation methods thereof, in particular to color chemically modified resin asphalt and a preparation method thereof.

Background

Bitumen is commonly used as a paving and waterproofing material, and is essentially a thermoplastic material. The characteristics are shown in the road surface paved by the asphalt, the road surface is easy to generate ruts under the action of heavy load in high temperature seasons in summer, the road surface is easy to generate warm shrinkage cracks in cold seasons in winter, along with the improvement of the road grade and the wider and wider application of the large-span steel box girder structure bridge, and the proposal of the strategy of the strong traffic country has higher requirements on indexes of the paving material, such as strength, deformation resistance, water stability, fatigue durability and the like.

The performance standard of the prior common color asphalt material adopts the standard of polymer modified or heavy traffic asphalt, the pavement thickness is usually 30-50mm, the thickness is thicker, and the internal color pavement structure can not play a role in beautifying the visual angle, but can increase the manufacturing cost. In addition, the asphalt has poor adhesion with aggregate, a colored asphalt film can fall off after the vehicle is loaded or pedestrians walk for many times, the color durability is poor, and the skid resistance is fast. In addition, the common hot-mix color asphalt is light-color asphalt or decolored asphalt prepared based on asphalt performance requirements, has poor water stability and short service life of a road surface, and needs to be maintained regularly.

The color chemically modified resin asphalt is a chemically modified asphalt material, the curing reaction is irreversible, the cured material is changed from thermoplastic to thermosetting, the high-temperature, low-temperature, water stability and fatigue resistance are obviously improved, and the color chemically modified resin asphalt is a long-life road surface material.

Disclosure of Invention

The invention aims to provide a colored chemically modified resin asphalt and a preparation method thereof, and the colored chemically modified resin asphalt has the advantages of bright color, high strength, good flexibility, long service life, good color durability and the like. The color pavement paving machine is suitable for paving color pavements such as park roads, square pavements, special roads and the like, has excellent performance and long service life, has the functions of warning and beautifying and has wide application prospect.

The purpose of the invention is realized by the following technical scheme:

a color chemical modified resin asphalt comprises a component A, a component B and a component C, wherein the mass ratio of the component A to the component B is 1:3-1:15, and the mass ratio of the component A to the component B to the component C is 2:1-5: 1;

the component A is epoxy resin;

the component B comprises the following components in parts by mass:

the component C is a color pigment.

The epoxy resin is bisphenol A type epoxy resin.

The curing agent is a high-molecular amine curing agent or an acid liver curing agent.

The petroleum resin is a thermoplastic resin produced by pretreating, polymerizing and distilling a C5 or C9 fraction which is a byproduct of petroleum cracking;

the thermoplastic resin is aliphatic petroleum resin C5, alicyclic petroleum resin DCPD, aromatic petroleum resin C9, C5 aliphatic and C9 aromatic copolymer resin or hydrogenated petroleum resin.

The light-color oil-based solvent refers to saturated hydrocarbon or aromatic compounds with one or more rings in the molecular structure. The catalyst can be one of cyclopentane to cycloundecane, and can also be a mixture of several of cyclopentane to cycloundecane.

The natural rubber is milk white glue juice or a product thereof flowing out after rubber tapping of a rubber tree.

The active compatibilizer is one or a mixture of more of extract oil of a furfural section in petroleum refining, phenolic residue oil distilled by decomposition of cumene hydroperoxide, pine oil series rubber oil, coal tar series rubber oil, or paraffin base, naphthenic base or aromatic base and aromatic base modified petroleum series rubber oil. The preferred choices are furfural segment extract oil and petroleum rubber oil in petroleum refining. One of them may be selected, or a mixture of several of them may be selected.

The color pigment can be one or a mixture of several of the following: cinnabar, red earth, realgar, titanium white, chrome yellow, iron blue, cadmium red, cadmium yellow, lithopone, carbon black, iron oxide red and iron oxide yellow.

According to the preparation method of the color chemically modified resin asphalt, the light-color oil-based solvent and the natural rubber are mixed at normal temperature according to the mass part, and are uniformly stirred; placing the mixture obtained after mixing, called mixture 1 for short, in an oil bath kettle at the temperature of 80-100 ℃ for constant-temperature stirring, wherein the stirring speed is controlled at 60-120 r/min; stirring until no bubbles exist, heating to 130-140 ℃, then increasing the rotating speed of the stirrer to 600-800 r/min, taking out the uniformly stirred mixture, which is called as mixture 2 for short, and placing the mixture in an oven at 140 ℃ for later use; respectively placing petroleum resin, a curing agent and an active compatibilizer in parts by mass into a container, placing the container into a baking oven at 140 ℃ to be constant in temperature, then sequentially pouring the petroleum resin, the curing agent and the compatibilizer into the mixture 2, and finally producing or processing the mixture by a colloid mill or a high-speed shearing machine to obtain a color chemically modified resin asphalt component B; the component A is bisphenol A type epoxy resin, and is placed in an oven, and the temperature is raised to 60-80 ℃ for standby; the component C is color pigment and is placed in an oven, and the temperature is raised to 140 ℃ for standby application; the preparation method comprises the following steps of (1) preparing a component A and a component B according to the mass ratio of the component A to the component B of 1:3-1:15, and the mass ratio of the component A to the component B to the component C of 2:1-5: 1; when in use, A, B, C parts which are heated to the target temperature are uniformly mixed according to the required proportion to obtain the colored chemically modified resin asphalt; A. b, C the components are physically mixed before being merged, the performance is improved and promoted by blending, A, B, C three components are mixed, the curing agent and the epoxy resin are subjected to curing reaction to form an epoxy curing system which is a continuous phase, the curing agent and the epoxy resin are uniformly mixed outside to form a three-dimensional insoluble infusible thermosetting network structure of a filling phase, the material is subjected to phase transition, and the filling component plays roles of increasing flexibility and toughening in the three-dimensional structure, so that the high-strength high-modulus high-fatigue-resistance high-strength high-toughness high-tenacity wear-resistance high-toughness high-tenacity wear-resistance low-aging resistance high-durability color.

The colored chemically modified resin asphalt is sprayed on a road surface or a steel plate within a certain time to be used as a chemically modified resin asphalt bonding layer; if the aggregate with a certain mass is mixed according to a certain oilstone ratio, the mixture is paved on the road surface within a certain time and is spread and rolled to form the color anti-skid road surface functional layer.

Compared with the prior art, the invention has the following advantages:

the color chemically modified resin asphalt material has the advantages that the curing agent and the epoxy resin are mixed and then are subjected to curing reaction, the epoxy curing system forms a three-dimensional network structure, and other component materials are distributed in the cured three-dimensional network structure as a flexibility increasing and toughening material, so that the flexibility increasing and toughening effects are achieved. The natural rubber material with excellent processability, good dispersibility and self-adhesive property is mixed into a curing system to further improve the flexibility of the material. Through compatibilization treatment, the epoxy curing system has excellent dispersibility, the resin mixing amount for realizing the phase transition of the epoxy curing is lower, and the material has the advantages of high strength, high rigidity, high elasticity, good toughness, bright color and the like. A. The component B or the material is liquid in summer and other seasons with relatively high climate, and is convenient to construct and apply. The invention is suitable for paving color pavements such as park roads, square pavements, special roads and the like, has excellent performance and long service life, and also has the functions of warning and beautifying.

Detailed Description

The present invention is further illustrated by the following specific examples, which are not intended to be limiting.