CN111253863A - Hydrophobic pavement coating material and preparation method thereof - Google Patents

Hydrophobic pavement coating material and preparation method thereof Download PDF

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Publication number
CN111253863A
CN111253863A CN202010170577.2A CN202010170577A CN111253863A CN 111253863 A CN111253863 A CN 111253863A CN 202010170577 A CN202010170577 A CN 202010170577A CN 111253863 A CN111253863 A CN 111253863A
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Prior art keywords
parts
hydrophobic
pavement
prepared
water
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CN202010170577.2A
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Chinese (zh)
Inventor
周凯
郭丽敏
尤永学
宋锦停
魏丽
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Luoyang Tengfei Municipal Engineering Co Ltd
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Luoyang Tengfei Municipal Engineering Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to the technical field of road materials, in particular to a hydrophobic pavement coating material with good cohesiveness and good toughness and a preparation method thereof, the hydrophobic pavement coating material is prepared by mixing a pavement binder and a hydrophobic modifier, the pavement binder is prepared by shearing a material A and a material B by a colloid mill according to the weight ratio, the material B is prepared by mixing cetyl trimethyl ammonium bromide, water-borne epoxy resin, cation CR latex and water, the hydrophobic modifier is prepared by mixing nonylphenol polyoxyethylene ether, siloxane and water, the hydrophobic modifier is added into the pavement binder according to the weight ratio of 1:10 and is uniformly stirred to obtain the hydrophobic pavement coating material which is sprayed on the original asphalt pavement, the asphalt pavement has hydrophobic effect, the water is squeezed out of the capillary cracks of the original asphalt pavement, the water drops are gathered on the upper surface of the pavement, so that the purposes of preventing water from invading and prolonging the service life of the asphalt pavement can be achieved.

Description

Hydrophobic pavement coating material and preparation method thereof
Technical Field
The invention relates to the technical field of road materials, in particular to a hydrophobic pavement coating material with good cohesiveness and toughness and a preparation method thereof.
Background
The existing road surface waterproof is generally waterproof by adopting an emulsified asphalt seal layer, so that original capillary pores of the asphalt road surface are only sealed in a short time to play a waterproof effect, but the waterproof effect is increasingly poor along with the driving abrasion of an emulsified asphalt film.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a hydrophobic pavement coating material which has good cohesiveness and toughness, combines the lotus leaf hydrophobic principle, can be directly sprayed on the original asphalt pavement, enables the surface of the original asphalt pavement to have hydrophobic capacity and prolongs the service life of the asphalt pavement in a frequently wet state and a preparation method thereof.
The technical scheme of the invention is realized as follows:
the hydrophobic road surface coating material is prepared by mixing a road surface binder and a hydrophobic modifier, wherein the road surface binder is prepared by mixing a material A and a material B according to the weight ratio of 60-70%: 30-40% of the raw materials are cut by a colloid mill; the material A is 100 parts of base asphalt, and the material B is prepared from the following raw materials in parts by weight: 3-4 parts of hexadecyl trimethyl ammonium bromide, 6-8 parts of waterborne epoxy resin, 3-4 parts of cationic CR latex and 84-88 parts of water; the hydrophobic modifier is prepared from the following raw materials in parts by weight: 10-15 parts of nonylphenol polyoxyethylene ether, 15-20 parts of siloxane and 65-75 parts of water.
The nonylphenol polyAn oxyethylene ether as a nonionic surfactant having a molecular formula of C33H60O10。
The preparation method of the hydrophobic pavement coating material comprises the following steps:
step 1), preparation of material A: weighing 100 parts of matrix asphalt by weight, and heating to 140 ℃ for later use;
step 2), preparation of material B: weighing 3-4 parts of hexadecyl trimethyl ammonium bromide, 6-8 parts of waterborne epoxy resin, 3-4 parts of cation CR latex and 71-73 parts of water by weight, heating the water to 40-45 ℃, adding the hexadecyl trimethyl ammonium bromide into the water, stirring and dissolving the hexadecyl trimethyl ammonium bromide uniformly, adding the waterborne epoxy resin and the cation CR latex, and heating to 70 ℃ after the emulsion is completely added to obtain a material B for later use;
step 3), preparation of a hydrophobic modifier: weighing 10-15 parts of nonylphenol polyoxyethylene ether, 15-20 parts of siloxane and 65-75 parts of normal temperature water by weight, mixing, heating to 70 ℃ after uniformly mixing and stirring, and shearing by a colloid mill to obtain the product;
step 4), taking the material A prepared in the step 1) and the material B prepared in the step 2) according to the weight ratio of 60-70%: 30-40% of the hydrophobic modifier is cut into a pavement binder by a colloid mill, and the hydrophobic modifier prepared in the step 3) is added into the pavement binder according to the weight ratio of 1:10 and is uniformly stirred to obtain the hydrophobic pavement coating material.
The invention has the positive effects that: the hydrophobic coating material is sprayed on the original asphalt pavement, so that the asphalt pavement has a hydrophobic effect, and moisture is squeezed out of capillary cracks of the original asphalt pavement and is gathered on the upper surface of the pavement in the form of water drops, so that the aims of preventing water from invading and prolonging the service life of the asphalt pavement can be fulfilled; the viscosity and toughness of the binder are maintained, so that the cured coating has micro-deformation, a certain road surface friction coefficient can be ensured, and the driving safety is ensured.
Detailed Description
Example 1
A hydrophobic road surface coating material is prepared by mixing a road surface binder and a hydrophobic modifier, wherein the road surface binder is prepared by shearing a material A and a material B according to a weight ratio through a colloid mill; the material A is matrix asphalt, the material A is heated to 140 ℃, and the material B is mixed according to the weight ratio of 60%: 40 percent of the raw materials are cut by a colloid mill; the material B is prepared by mixing the following components in parts by weight: 3 kg of hexadecyl trimethyl ammonium bromide, 6 kg of waterborne epoxy resin, 3 kg of cationic CR latex and 84 kg of water. The hydrophobic modifier is prepared by mixing the following components in parts by weight and kg: 10 kg of nonylphenol polyoxyethylene ether, 15 kg of siloxane and 65 kg of water, wherein the nonylphenol polyoxyethylene ether is a nonionic surfactant.
The preparation method comprises the following steps:
step 1), preparation of material A: weighing 100 kg of matrix asphalt by weight, and heating to 140 ℃ for later use;
step 2), preparation of material B: weighing 3 kg of hexadecyl trimethyl ammonium bromide, 6 kg of waterborne epoxy resin, 3 kg of cation CR latex and 84 kg of water according to weight, heating the water to 40-45 ℃, adding the hexadecyl trimethyl ammonium bromide into the water, uniformly stirring and dissolving the hexadecyl trimethyl ammonium bromide, adding the waterborne epoxy resin and the cation CR latex while stirring, and heating to 70 ℃ after all the emulsion is added to obtain a material B for later use;
step 3), preparation of a hydrophobic modifier: weighing 10 kg of polyoxyethylene nonyl phenol, 15 kg of siloxane and 65 kg of water according to weight, mixing and stirring uniformly, heating to 70 ℃, and shearing by a colloid mill to obtain the product;
and 4) taking 60 kg of the material A prepared in the step 1) and 40 kg of the material B prepared in the step 2), shearing by using a colloid mill to prepare a pavement adhesive, and adding the hydrophobic modifier prepared in the step 3) into the pavement adhesive according to the weight ratio of 1:10, and uniformly stirring to obtain the hydrophobic pavement coating material.
Example 2
A hydrophobic road surface coating material is prepared by mixing a road surface binder and a hydrophobic modifier, wherein the road surface binder is prepared by shearing a material A and a material B according to a weight ratio through a colloid mill; the material A is matrix asphalt, the material A is heated to 140 ℃, and the material B is 70% by weight: 30 percent of the raw materials are cut by a colloid mill; the material B is prepared by mixing the following components in parts by weight: 4 kg of hexadecyl trimethyl ammonium bromide, 7 kg of waterborne epoxy resin, 4 kg of cationic CR latex and 86 kg of water. The hydrophobic modifier is prepared by mixing the following components in parts by weight and kg: 15 kg of nonylphenol polyoxyethylene ether, 20 kg of siloxane and 75 kg of water, wherein the nonylphenol polyoxyethylene ether is a nonionic surfactant.
The preparation method comprises the following steps:
step 1), preparation of material A: weighing 100 kg of matrix asphalt by weight, and heating to 140 ℃ for later use;
step 2), preparation of material B: weighing 4 kg of hexadecyl trimethyl ammonium bromide, 7 kg of waterborne epoxy resin, 4 kg of cation CR latex and 86 kg of water according to weight, heating the water to 40-45 ℃, adding the hexadecyl trimethyl ammonium bromide into the water, stirring and dissolving the hexadecyl trimethyl ammonium bromide uniformly, adding the waterborne epoxy resin and the cation CR latex while stirring, and heating to 70 ℃ after all the emulsion is added to obtain a material B for later use;
step 3), preparation of a hydrophobic modifier: weighing 15 kg of polyoxyethylene nonyl phenol, 20 kg of siloxane and 75 kg of water according to weight, mixing and stirring uniformly, heating to 70 ℃, and shearing by a colloid mill to obtain the product;
and 4) taking 70 kg of the material A prepared in the step 1) and 30 kg of the material B prepared in the step 2), shearing by using a colloid mill to prepare a pavement adhesive, and adding the hydrophobic modifier prepared in the step 3) into the pavement adhesive according to the weight ratio of 1:10, and uniformly stirring to obtain the hydrophobic pavement coating material.
Example 3
A hydrophobic road surface coating material is prepared by mixing a road surface binder and a hydrophobic modifier, wherein the road surface binder is prepared by shearing a material A and a material B according to a weight ratio through a colloid mill; the material A is matrix asphalt, the material A is heated to 140 ℃, and the material B is mixed according to the weight ratio of 65%: 35 percent of the raw materials are cut by a colloid mill; the material B is prepared by mixing the following components in parts by weight: 3 kg of hexadecyl trimethyl ammonium bromide, 8 kg of waterborne epoxy resin, 4 kg of cationic CR latex and 88 kg of water. The hydrophobic modifier is prepared by mixing the following components in parts by weight and kg: 13 kg of nonylphenol polyoxyethylene ether, 17 kg of siloxane and 70 kg of water, wherein the nonylphenol polyoxyethylene ether is a nonionic surfactant.
The preparation method comprises the following steps:
step 1), preparation of material A: weighing 100 kg of matrix asphalt by weight, and heating to 140 ℃ for later use;
step 2), preparation of material B: weighing 3 kg of hexadecyl trimethyl ammonium bromide, 8 kg of waterborne epoxy resin, 4 kg of cation CR latex and 88 kg of water according to weight, heating the water to 40-45 ℃, adding the hexadecyl trimethyl ammonium bromide into the water, uniformly stirring and dissolving the hexadecyl trimethyl ammonium bromide, adding the waterborne epoxy resin and the cation CR latex while stirring, and heating to 70 ℃ after all the emulsion is added to obtain a material B for later use;
step 3), preparation of a hydrophobic modifier: weighing 13 kg of polyoxyethylene nonyl phenol, 17 kg of siloxane and 70 kg of water according to weight, mixing and stirring uniformly, heating to 70 ℃, and shearing by a colloid mill to obtain the product;
and 4) taking 66 kg of the material A prepared in the step 1) and 35 kg of the material B prepared in the step 2), shearing by using a colloid mill to prepare a pavement adhesive, and adding the hydrophobic modifier prepared in the step 3) into the pavement adhesive according to the weight ratio of 1:10, and uniformly stirring to obtain the hydrophobic pavement coating material.
1. The toughness and coefficient of friction of the pavement binder of the present invention are shown in table 1 below:
Figure DEST_PATH_IMAGE002A
2. the surface tension of the hydrophobic pavement coating of the present invention is compared with water and lotus leaves as shown in table 2 below:
Figure DEST_PATH_IMAGE004
3. the data of the related technical indexes compared with the existing hydrophobic pavement material are shown in the following table 3:
Figure DEST_PATH_IMAGE006

Claims (3)

1. the hydrophobic pavement coating material is characterized by being prepared by mixing a pavement binder and a hydrophobic modifier, wherein the pavement binder is prepared by mixing a material A and a material B according to the weight ratio of 60-70%: 30-40% of the raw materials are cut by a colloid mill; the material A is 100 parts of base asphalt, and the material B is prepared from the following raw materials in parts by weight: 3-4 parts of hexadecyl trimethyl ammonium bromide, 6-8 parts of waterborne epoxy resin, 3-4 parts of cationic CR latex and 84-88 parts of water; the hydrophobic modifier is prepared from the following raw materials in parts by weight: 10-15 parts of nonylphenol polyoxyethylene ether, 15-20 parts of siloxane and 65-75 parts of water.
2. The hydrophobic pavement coating material according to claim 1, wherein: the nonyl phenol polyoxyethylene ether is a nonionic surfactant with a molecular formula of C33H60O10。
3. A method of preparing the hydrophobic pavement coating material of claim 1, comprising the steps of:
step 1), preparation of material A: weighing 100 parts of matrix asphalt by weight, and heating to 140 ℃ for later use;
step 2), preparation of material B: weighing 3-4 parts of hexadecyl trimethyl ammonium bromide, 6-8 parts of waterborne epoxy resin, 3-4 parts of cation CR latex and 71-73 parts of water by weight, heating the water to 40-45 ℃, adding the hexadecyl trimethyl ammonium bromide into the water, stirring and dissolving the hexadecyl trimethyl ammonium bromide uniformly, adding the waterborne epoxy resin and the cation CR latex, and heating to 70 ℃ after the emulsion is completely added to obtain a material B for later use;
step 3), preparation of a hydrophobic modifier: weighing 10-15 parts of nonylphenol polyoxyethylene ether, 15-20 parts of siloxane and 65-75 parts of normal temperature water by weight, mixing, heating to 70 ℃ after uniformly mixing and stirring, and shearing by a colloid mill to obtain the product;
step 4), taking the material A prepared in the step 1) and the material B prepared in the step 2) according to the weight ratio of 60-70%: 30-40% of the hydrophobic modifier is cut into a pavement binder by a colloid mill, and the hydrophobic modifier prepared in the step 3) is added into the pavement binder according to the weight ratio of 1:10 and is uniformly stirred to obtain the hydrophobic pavement coating material.
CN202010170577.2A 2020-03-12 2020-03-12 Hydrophobic pavement coating material and preparation method thereof Withdrawn CN111253863A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114682152A (en) * 2022-03-27 2022-07-01 周凯 Hydrophobic road surface coating material production facility

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CN107502190A (en) * 2017-09-22 2017-12-22 太原理工大学 A kind of hydrophobic type Emulsificated asphalt water-proof painting material and preparation method thereof
CN107987725A (en) * 2017-11-21 2018-05-04 广西武宣金牌防水材料科技有限公司 A kind of bridge floor waterproofing paint and its production method
CN109504345A (en) * 2018-11-30 2019-03-22 山东建筑大学 A kind of cold-penetration seam material high glutinous emulsified modified asphalt and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114682152A (en) * 2022-03-27 2022-07-01 周凯 Hydrophobic road surface coating material production facility

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Application publication date: 20200609