阅读说明：本技术 自发光道路标线涂料、制备方法及施工方法 (Self-luminous road marking paint, preparation method and construction method ) 是由 臧冬冬 王小虎 余嫚 于 2021-06-29 设计创作，主要内容包括：本发明公开了自发光道路标线涂料、制备方法及施工方法。涂料包括：自制聚氨酯改性丙烯酸树脂乳液25-40份,邻苯二甲酸二辛酯1-10份,蓄能自发光粉10-30份,钛白粉5-20份,滑石粉5-15份,玻璃微珠10-20份,纳米气相二氧化硅0.01-0.5份,分散剂0.5-2份,消泡剂0.5-2份,流平剂0.5-2份,增稠剂0.5-2份,自来水5-10份。本发明涂料不仅具有聚氨酯的柔性,有效防止标线涂料开裂,也具有丙烯酸树脂的高粘结强度,显著提高标线涂料的耐久性。(The invention discloses a self-luminous road marking paint, a preparation method and a construction method. The coating comprises the following components: 25-40 parts of self-made polyurethane modified acrylic resin emulsion, 1-10 parts of dioctyl phthalate, 10-30 parts of energy-storage self-luminous powder, 5-20 parts of titanium dioxide, 5-15 parts of talcum powder, 10-20 parts of glass beads, 0.01-0.5 part of nano fumed silica, 0.5-2 parts of dispersing agent, 0.5-2 parts of defoaming agent, 0.5-2 parts of flatting agent, 0.5-2 parts of thickening agent and 5-10 parts of tap water. The coating disclosed by the invention not only has the flexibility of polyurethane, and can effectively prevent the marking coating from cracking, but also has the high bonding strength of acrylic resin, and the durability of the marking coating is obviously improved.)

1. A self-luminous road marking paint is characterized in that: the composite material comprises the following raw materials in parts by weight: 25-40 parts of self-made polyurethane modified acrylic resin emulsion, 1-10 parts of dioctyl phthalate, 10-30 parts of energy-storage self-luminous powder, 5-20 parts of titanium dioxide, 5-15 parts of talcum powder, 10-20 parts of glass beads, 0.01-0.5 part of nano fumed silica, 0.5-2 parts of dispersing agent, 0.5-2 parts of defoaming agent, 0.5-2 parts of flatting agent, 0.5-2 parts of thickening agent and 5-10 parts of tap water;

the preparation method of the self-made polyurethane modified acrylic resin emulsion comprises the following steps:

adding 1-5 parts of OP-10 emulsifier into 30-50 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding 1-10 parts of methacrylic acid, 1-5 parts of styrene, 1-8 parts of butyl acrylate and 5-15 parts of methyl methacrylate into a reaction kettle with a stirrer, heating to 60-90 ℃, opening the stirrer, dropwise adding 0.1-2 parts of initiator, heating to 80-100 ℃, preserving heat for 2-4h, and discharging.

2. The self-luminous road marking paint of claim 2, wherein: the initiator is any one of benzoyl peroxide, lauroyl peroxide, azobisisobutyronitrile, sodium persulfate and tert-butyl peroxybenzoate.

3. The self-luminous road marking paint of claim 1, wherein: the energy-storage self-luminous powder is rare earth luminous powder subjected to silicon dioxide coating treatment.

4. The self-luminous road marking paint of claim 1, wherein: the fineness of the titanium dioxide is 200-400 meshes, the fineness of the talcum powder is 100-200 meshes, and the fineness of the glass beads is 20-40 meshes.

5. The self-luminous road marking paint of claim 1, wherein: 5020 dispersing agent is adopted as the dispersing agent.

6. The self-luminous road marking paint of claim 1, wherein: the defoaming agent is a BYK defoaming agent.

7. The self-luminous road marking paint of claim 1, wherein: the leveling agent is 1154 leveling agent.

8. The self-luminous road marking paint of claim 1, wherein: the thickening agent is KG-201 polyurethane thickening agent.

9. The method of preparing the self-luminous road marking paint of any one of claims 1 to 8, wherein: the method comprises the following steps:

(1) energy-storage self-luminous powder is weighed and put into a container, and dioctyl phthalate is added and stirred uniformly.

(2) The self-made polyurethane modified acrylic resin emulsion, the dispersing agent, the flatting agent, the initiator, the titanium dioxide, the talcum powder, the defoaming agent, the tap water and the nano fumed silica are put into a stirrer to be uniformly stirred.

(3) Adding the uniform energy-storage self-luminous powder into a stirrer, dropwise adding a proper amount of thickening agent, adjusting the viscosity to be proper, and discharging.

10. The method of applying the self-luminous road marking paint of any one of claims 1 to 8, wherein: and (4) spraying on site, namely scattering glass beads after the construction of the road marking is finished, and heating the marking by adopting special handheld microwaves.

Technical Field

The invention relates to a coating, a preparation method and a construction method, in particular to a self-luminous road marking coating, a preparation method and a construction method.

Background

The road marking is widely applied to roads of various levels, is an important component of traffic travel and traffic safety, and has the function of guiding and controlling vehicles to safely run on the roads. At present, the ordinary road marking paint of wide use is mostly passive reflective type in the market, and it possesses sufficient contrary reflectance on daytime, can play the warning effect. However, in rainy and foggy days and at night without light irradiation, the common marking paint loses the warning effect because of no light reflection, and traffic accidents are easy to happen. The self-luminous marking paint can absorb natural light in the daytime and light energy stored by motor vehicles and various lighting lamps under the condition of sufficient light source in the daytime, can self-emit light at night and can continuously emit light within hours. At present, researchers also study the long-afterglow self-luminous marking paint, but the resin of the paint is a multi-position aqueous resin which has strict requirements on construction conditions and needs long curing time. Engineering applications often open up traffic without the coating having fully cured, resulting in spalling of the reticle coating.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a self-luminous road marking paint, a preparation method and a construction method, which solve the problem that the common road marking paint on the market can not be clearly identified when driving at night and replace some self-luminous marking paints with poor durability on the market. The special handheld microwave heating construction mode can promote the curing of the self-luminous road marking paint, so that the self-luminous road marking paint has higher bonding strength and faster traffic opening. Thereby being more practical and having industrial utilization value.

The technical scheme is as follows: the invention provides a self-luminous road marking paint which comprises the following raw materials in parts by weight: 25-40 parts of self-made polyurethane modified acrylic resin emulsion, 1-10 parts of dioctyl phthalate, 10-30 parts of energy-storage self-luminous powder, 5-20 parts of titanium dioxide, 5-15 parts of talcum powder, 10-20 parts of glass beads, 0.01-0.5 part of nano fumed silica, 0.5-2 parts of dispersing agent, 0.5-2 parts of defoaming agent, 0.5-2 parts of flatting agent, 0.5-2 parts of thickening agent and 5-10 parts of tap water;

the preparation method of the self-made polyurethane modified acrylic resin emulsion comprises the following steps:

adding 1-5 parts of OP-10 emulsifier into 30-50 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding 1-10 parts of methacrylic acid, 1-5 parts of styrene, 1-8 parts of butyl acrylate and 5-15 parts of methyl methacrylate into a reaction kettle with a stirrer, heating to 60-90 ℃, opening the stirrer, dropwise adding 0.1-2 parts of initiator, heating to 80-100 ℃, preserving heat for 2-4h, and discharging.

Further, the initiator is any one of benzoyl peroxide, lauroyl peroxide, azobisisobutyronitrile, sodium persulfate and tert-butyl peroxybenzoate.

Furthermore, the energy-storage self-luminous powder is rare earth luminous powder subjected to silicon dioxide coating treatment. The fineness of the titanium dioxide is 200-400 meshes, the fineness of the talcum powder is 100-200 meshes, and the fineness of the glass beads is 20-40 meshes. 5020 dispersing agent is adopted as the dispersing agent. The defoaming agent is a BYK defoaming agent. The leveling agent is 1154 leveling agent. The thickening agent is KG-201 polyurethane thickening agent.

The preparation method of the self-luminous road marking paint is characterized by comprising the following steps: the method comprises the following steps:

(1) energy-storage self-luminous powder is weighed and put into a container, and dioctyl phthalate is added and stirred uniformly.

(2) The self-made polyurethane modified acrylic resin emulsion, the dispersing agent, the flatting agent, the initiator, the titanium dioxide, the talcum powder, the defoaming agent, the tap water and the nano fumed silica are put into a stirrer to be uniformly stirred.

(3) Adding the uniform energy-storage self-luminous powder into a stirrer, dropwise adding a proper amount of thickening agent, adjusting the viscosity to be proper, and discharging.

The construction method of the self-luminous road marking paint is characterized by comprising the following steps: and (4) spraying on site, namely scattering glass beads after the construction of the road marking is finished, and heating the marking by adopting special handheld microwaves.

Has the advantages that: the self-luminous road marking paint film-forming substance adopts self-made polyurethane modified acrylic resin emulsion, not only has the flexibility of polyurethane and effectively prevents the marking paint from cracking, but also has the high bonding strength of the acrylic resin and improves the durability of the marking paint. The rare earth luminous powder adopted by the invention can avoid the influence of water on afterglow time in aqueous emulsion after being subjected to coating treatment, thereby keeping long-time afterglow at night. The special handheld microwave heating construction mode can promote the curing of the self-luminous road marking paint, so that the self-luminous road marking paint has higher bonding strength and faster traffic opening. The rare earth luminous powder adopted by the invention can avoid the influence of water on afterglow time in aqueous emulsion after being subjected to coating treatment, thereby keeping long-time afterglow at night. The special handheld microwave heating construction mode can promote the curing of the self-luminous road marking paint, so that the self-luminous road marking paint has higher bonding strength and faster traffic opening.

Detailed Description

Example 1

Preparing a self-made polyurethane modified acrylic resin emulsion:

adding 3 parts of OP-10 emulsifier into 40 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding the 5 parts of methacrylic acid, 3 parts of styrene, 5 parts of butyl acrylate and 10 parts of methyl methacrylate into a reaction kettle with a stirrer, heating to 90 ℃, opening the stirrer, dropwise adding 1 part of benzoyl peroxide, preserving heat for 4 hours and discharging.

The preparation method of the self-luminous marking paint comprises the following steps:

after the prepared self-luminous road marking paint is constructed by handheld microwave heating, the traffic can be opened within 1 hour, the bonding strength of the self-luminous road marking paint and the pavement is 1.5MPa, and the retroreflection coefficient is 350mcd.1X^-1.m^-2The self-luminous afterglow time is 10 h.

Example 2

Preparing a self-made polyurethane modified acrylic resin emulsion:

adding 5 parts of OP-10 emulsifier into 50 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding the mixture with 8 parts of methacrylic acid, 5 parts of styrene, 7 parts of butyl acrylate and 6 parts of methyl methacrylate into a reaction kettle with a stirrer, heating to 80 ℃, opening the stirrer, dropwise adding 1.4 parts of lauroyl peroxide, preserving heat for 3 hours, and discharging.

The preparation method of the self-luminous marking paint comprises the following steps:

after the prepared self-luminous road marking paint is constructed by handheld microwave heating, the traffic can be opened within 1h, the bonding strength of the self-luminous road marking paint and the pavement is 1.2MPa, and the retroreflection coefficient is 320mcd.1X^-1.m^-2The self-luminous afterglow time is 13 h.

Example 3

Preparing a self-made polyurethane modified acrylic resin emulsion:

adding 2 parts of OP-10 emulsifier into 38 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding 6 parts of methacrylic acid, 4 parts of styrene, 2 parts of butyl acrylate and 12 parts of methyl methacrylate into a reaction kettle with a stirrer, heating to 75 ℃, opening the stirrer, dropwise adding 2 parts of azobisisobutyronitrile, keeping the temperature for 2 hours, and discharging.

The preparation method of the self-luminous marking paint comprises the following steps:

after the prepared self-luminous road marking paint is constructed by handheld microwave heating, the traffic can be opened within 1h, the bonding strength of the self-luminous road marking paint and the pavement is 1.6MPa, and the retroreflection coefficient is 310mcd.1X^-1.m^-2The self-luminous afterglow time is 11 h.

Example 4

Preparing a self-made polyurethane modified acrylic resin emulsion:

adding 4 parts of OP-10 emulsifier into 46 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding the mixture into a reaction kettle with a stirrer together with 8 parts of methacrylic acid, 5 parts of styrene, 8 parts of butyl acrylate and 15 parts of methyl methacrylate, heating to 65 ℃, opening the stirrer, dropwise adding 0.5 part of sodium persulfate, keeping the temperature for 3 hours, and discharging.

The preparation method of the self-luminous marking paint comprises the following steps:

after the prepared self-luminous road marking paint is subjected to handheld microwave heating construction, the traffic can be opened within 1 hour, the bonding strength of the self-luminous road marking paint and the pavement is 1.6MPa, and the retroreflection coefficient is 325mcd.1X^-1.m^-2The self-luminous afterglow time is 14 h.

Example 5

Preparing a self-made polyurethane modified acrylic resin emulsion:

adding 4 parts of OP-10 emulsifier into 42 parts of waterborne polyurethane emulsion, and uniformly stirring; then adding the 2 parts of methacrylic acid, 2 parts of styrene, 4 parts of butyl acrylate and 9 parts of methyl methacrylate into a reaction kettle with a stirrer, heating to 75 ℃, opening the stirrer, dropwise adding 1.5 parts of tert-butyl peroxybenzoate, preserving heat for 2.5 hours, and discharging.

The preparation method of the self-luminous marking paint comprises the following steps:

after the prepared self-luminous road marking paint is subjected to handheld microwave heating construction, the traffic can be opened within 1 hour, the bonding strength of the self-luminous road marking paint and the pavement is 1.2MPa, and the retroreflection coefficient is 335mcd.1X^-1.m^-2The self-luminous afterglow time is 12 h.