阅读说明：本技术 一种防爆柔性油漆的制备工艺 (Preparation process of explosion-proof flexible paint ) 是由 顾洪海 王波 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种防爆柔性油漆的制备工艺,涉及油漆制备技术领域。该防爆柔性油漆的制备工艺,包括原料准备、原料预混、原料相融和真空灌装四个步骤。该防爆柔性油漆的制备工艺,其油漆的主料采用环氧丙烯酸酯树脂进行制备,使得油漆的固化性和成型性方面具有优异的效果,进而提高了使用便捷性,且向油漆内添加的纳米粉状防静电添加剂和阻燃材料并与其改性相融后,使得该油漆具有良好的抗静电和阻燃能力,使其该油漆适用于防爆设备的涂覆使用,相对性的提高了该油漆的适用范围,具有良好的市场前景和生产效益,还在内添加了防流挂剂和有机硅流平剂,使得该油漆在使用时不会轻易出现缩孔、流平和流挂的现象。(The invention discloses a preparation process of an explosion-proof flexible paint, and relates to the technical field of paint preparation. The preparation process of the explosion-proof flexible paint comprises four steps of raw material preparation, raw material premixing, raw material fusion and vacuum filling. The preparation process of the explosion-proof flexible paint has the advantages that the main material of the paint is prepared from the epoxy acrylate resin, so that the paint has excellent curing and forming effects, the use convenience is improved, and after the nano powdery anti-static additive and the flame-retardant material added into the paint are modified and fused with the nano powdery anti-static additive and the flame-retardant material, the paint has good antistatic and flame-retardant capabilities, the paint is suitable for being coated and used by explosion-proof equipment, the application range of the paint is relatively improved, the paint has good market prospect and production benefit, and the anti-sagging agent and the organic silicon leveling agent are added in the paint, so that the phenomena of shrinkage cavity, leveling and sagging of the paint can not occur easily when the paint is used.)

1. A preparation process of an explosion-proof flexible paint is characterized by comprising the following steps: step one, raw material preparation: preparing the following raw material components in parts by weight: 72-82 parts of epoxy acrylate resin, 23-26 parts of amino resin, 5-7 parts of pigment and filler, 5-7 parts of nano powdery antistatic additive, 6-7 parts of flame retardant material, 3-4 parts of modifier, 8-9 parts of royal jelly, 3-5 parts of cosolvent and 5.25-8.05 parts of assistant, and then collecting the components for later use;

step two, premixing raw materials: uniformly adding the nano powdery antistatic additive and the flame retardant material in corresponding parts in the step one into a vertical premixer, then controlling the start of the vertical premixer, wherein the rotating speed of a mixing blade is controlled at 212r/min, discharging the mixed powder after premixing for 15-30 minutes to obtain the mixed powder, and then collecting the mixed powder for later use;

step three, raw material blending: uniformly adding the corresponding parts of epoxy acrylate resin, amino resin, pigment and filler and cosolvent into a sealed stirring device, controlling the start of the sealed stirring device, controlling the rotating speed of a stirring blade to be 224-302r/min, simultaneously heating the interior of the sealed stirring device to 61-75 ℃ in an electric heating mode, stirring for 8-10min, adding the corresponding parts of modifier into the sealed stirring device, sequentially adding the bee milk, the auxiliary agent and the mixed powder collected in the step two into the controlled sealed stirring device, controlling the rotating speed of the stirring blade to be increased to 352-424r/min, increasing the temperature to 82-94 ℃, stirring for 35-37min under the condition of keeping the temperature unchanged, completing the melting, obtaining the processed paint and pouring out and collecting the paint;

step four, vacuum filling: and (3) adding the paint obtained in the third step into a filling machine, controlling the filling machine to carry out quantitative filling into a specified package, and simultaneously carrying out vacuumizing treatment on the interior of the package by adopting vacuumizing equipment before sealing and packaging to obtain a finished product of the preparation process of the explosion-proof flexible paint.

2. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: the cosolvent comprises the following raw materials: the weight portions of the raw materials of ethylene glycol butyl ether, diethylene glycol butyl ether, n-butyl alcohol and propylene glycol methyl ether are 0.75-1.25 portions, 0.7-1.2 portions, 0.83-1.32 portions and 0.72-1.23 portions in sequence.

3. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: the auxiliary agent comprises the following raw materials: the components of the paint comprise, by weight, 0.75-1.15 parts of a neutralizing agent, 0.8-1.2 parts of an anti-sagging agent, 0.7-1.1 parts of an antioxidant, 0.71-1.17 parts of a pH regulator and 0.79-1.13 parts of a toughening agent in sequence.

4. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: the modifier is a silane modifier, wherein the type of the silane modifier is KH-792 or KH 171.

5. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: the flame-retardant material is formed by combining one or two of chloroprene rubber liquid, chlorosulfonated polyethylene rubber liquid, polyvinyl chloride rubber liquid and silicon rubber liquid.

6. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: and in the third step, after the paint vehicle is collected, pouring the paint vehicle into a constant-temperature oscillator, then controlling the constant temperature to oscillate, after oscillating for 10-30min, pouring out and collecting the paint vehicle, and then putting the paint vehicle into the next step for processing.

7. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: in the fourth step, before the paint is added into the filling machine, the paint needs to be filtered repeatedly for at least 2-4 times by using a filtering device, wherein the mesh number of a filtering net inside the filtering device is controlled at 170-210.

8. The preparation process of the explosion-proof flexible paint as claimed in claim 1, wherein the preparation process comprises the following steps: before the equipment or the device in the second step, the third step and the fourth step is used, the power needs to be cut off firstly, then whether the grounding wire of the equipment is firm or not is checked, whether the insulation protection of the connection power supply is safe and reliable or not is also checked, and the equipment or the device can be used after being disinfected after the checking is finished.

Technical Field

The invention relates to the technical field of paint preparation, in particular to a preparation process of an explosion-proof flexible paint.

Background

The material which is coated on the surface of a coated object and can form a firmly attached continuous film is called a coating, wherein the paint belongs to one type of coating, the existing part of paint has the problem of insufficient antistatic capability, the surface of the material is still easy to be subjected to electrostatic conduction after the paint is coated, and the flame retardant property is still required to be improved in some special use environments and dangers, so that the paint is not used for coating by explosion-proof equipment, a large market is lost, the flexibility of the paint is poor, and resistance is caused for subsequent coating use.

Disclosure of Invention

The invention aims to provide a preparation process of an explosion-proof flexible paint, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of an explosion-proof flexible paint comprises the following steps: step one, raw material preparation: preparing the following raw material components in parts by weight: 72-82 parts of epoxy acrylate resin, 23-26 parts of amino resin, 5-7 parts of pigment and filler, 5-7 parts of nano powdery antistatic additive, 6-7 parts of flame retardant material, 3-4 parts of modifier, 8-9 parts of royal jelly, 3-5 parts of cosolvent and 5.25-8.05 parts of assistant, and then collecting the components for later use;

step two, premixing raw materials: uniformly adding the nano powdery antistatic additive and the flame retardant material in corresponding parts in the step one into a vertical premixer, then controlling the start of the vertical premixer, wherein the rotating speed of a mixing blade is controlled at 212r/min, discharging the mixed powder after premixing for 15-30 minutes to obtain the mixed powder, and then collecting the mixed powder for later use;

step three, raw material blending: uniformly adding the corresponding parts of epoxy acrylate resin, amino resin, pigment and filler and cosolvent into a sealed stirring device, controlling the start of the sealed stirring device, controlling the rotating speed of a stirring blade to be 224-302r/min, simultaneously heating the interior of the sealed stirring device to 61-75 ℃ in an electric heating mode, stirring for 8-10min, adding the corresponding parts of modifier into the sealed stirring device, sequentially adding the bee milk, the auxiliary agent and the mixed powder collected in the step two into the controlled sealed stirring device, controlling the rotating speed of the stirring blade to be increased to 352-424r/min, increasing the temperature to 82-94 ℃, stirring for 35-37min under the condition of keeping the temperature unchanged, completing the melting, obtaining the processed paint and pouring out and collecting the paint;

step four, vacuum filling: and (3) adding the paint obtained in the third step into a filling machine, controlling the filling machine to carry out quantitative filling into a specified package, and simultaneously carrying out vacuumizing treatment on the interior of the package by adopting vacuumizing equipment before sealing and packaging to obtain a finished product of the preparation process of the explosion-proof flexible paint.

Preferably, the cosolvent comprises the following raw materials: the weight portions of the raw materials of ethylene glycol butyl ether, diethylene glycol butyl ether, n-butyl alcohol and propylene glycol methyl ether are 0.75-1.25 portions, 0.7-1.2 portions, 0.83-1.32 portions and 0.72-1.23 portions in sequence.

Preferably, the auxiliary agent comprises the following raw materials: the components of the paint comprise, by weight, 0.75-1.15 parts of a neutralizing agent, 0.8-1.2 parts of an anti-sagging agent, 0.7-1.1 parts of an antioxidant, 0.71-1.17 parts of a pH regulator and 0.79-1.13 parts of a toughening agent in sequence.

Preferably, the modifier is a silane modifier, wherein the silane modifier is selected from KH-792 or KH171, and the flame-retardant material and the nano powdery antistatic additive are conveniently modified.

Preferably, the flame retardant material is formed by combining one or two of chloroprene rubber liquid, chlorosulfonated polyethylene rubber liquid, polyvinyl chloride rubber liquid and silicon rubber liquid, and the flame retardant property is improved.

Preferably, after the paint vehicle is collected in the third step, the paint vehicle needs to be poured into a constant-temperature oscillator, then the constant temperature is controlled for oscillation, the paint vehicle is poured out and collected after oscillation for 10-30min, and then the paint vehicle can be put into the next step for processing, so that the melting quality of each raw material is improved.

Preferably, before the paint is added into the filling machine in the fourth step, the paint needs to be repeatedly filtered for at least 2-4 times by using a filtering device, wherein the mesh number of a filtering screen inside the filtering device is controlled at 170-.

Preferably, before the device or apparatus in the second step, the third step and the fourth step is used, the power needs to be cut off, then whether the grounding wire of the device is firm is checked, whether the insulation protection of the power supply is safe and reliable is checked, the device or apparatus can be used after being sterilized after the check is completed, and the use protection performance of the device or apparatus is improved.

Advantageous effects

Compared with the prior art, the invention provides a preparation process of an explosion-proof flexible paint, which has the following beneficial effects:

1. the preparation process of the explosion-proof flexible paint has the advantages that the main material of the paint is prepared from the epoxy acrylate resin, so that the paint has excellent curing and forming effects, the use convenience is improved, and after the nano powdery anti-static additive and the flame-retardant material added into the paint are modified and fused with the nano powdery anti-static additive and the flame-retardant material, the paint has good antistatic and flame-retardant capabilities, the paint is suitable for being coated and used by explosion-proof equipment, the application range of the paint is relatively improved, the paint has good market prospect and production benefit, and the anti-sagging agent and the organic silicon leveling agent are added in the paint, so that the phenomena of shrinkage cavity, leveling and sagging of the paint can not occur easily when the paint is used.

2. The preparation process of the explosion-proof flexible paint has the advantages that the step of constant-temperature oscillation is added in the preparation process, so that all raw materials of the paint can be better fused, the use reliability of the paint is further ensured, the preparation process is simple, the number of processing equipment is small, and the production benefit is relatively improved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: a preparation process of an explosion-proof flexible paint comprises the following steps: step one, raw material preparation: preparing the following raw material components in parts by weight: 72 parts of epoxy acrylate resin, 23 parts of amino resin, 5 parts of pigment and filler, 5 parts of nano powdery antistatic additive, 6 parts of flame retardant material, 3 parts of modifier, 8 parts of bee milk, 3 parts of cosolvent and 5.25 parts of assistant, and then collecting the components for later use;

step two, premixing raw materials: uniformly adding the nano powdery antistatic additive and the flame retardant material in corresponding parts in the step one into a vertical pre-mixer, controlling the start of the vertical pre-mixer, controlling the rotating speed of a mixing blade at 124r/min, discharging the mixed powder after pre-mixing for 15 minutes to obtain mixed powder, and collecting the mixed powder for later use;

step three, raw material blending: uniformly adding the corresponding parts of epoxy acrylate resin, amino resin, pigment and filler and cosolvent into a sealed stirring device, controlling the start of the sealed stirring device, controlling the rotation speed of a stirring paddle at 224r/min, simultaneously heating the interior of the sealed stirring device to 61 ℃ in an electric heating mode, stirring for 8min, adding the corresponding parts of modifier into the sealed stirring device, sequentially adding the royal jelly, the auxiliary agent and the mixed powder collected in the second step into the controlled sealed stirring device, controlling the rotation speed of the stirring paddle to be increased to 352r/min, raising the temperature to 82 ℃, stirring for 35min under the condition of keeping the temperature unchanged, then completing the melting, obtaining the processed paint and pouring out and collecting the paint, pouring the paint into a constant-temperature oscillator after collecting in the third step, controlling the constant temperature to vibrate, shaking for 10min, pouring out and collecting, and then putting into the next step for processing;

step four, vacuum filling: adding the paint obtained in the third step into a filling machine, controlling the filling machine to carry out quantitative filling into a specified package, simultaneously carrying out vacuumizing treatment on the interior of the package by adopting vacuumizing equipment before sealing the package to obtain a finished product of the preparation process of the explosion-proof flexible paint, wherein the paint needs to be repeatedly filtered for at least 2 times by using a filtering device before being added into the filling machine in the fourth step, the mesh number of a filter screen in the filtering device needs to be controlled at 170, the equipment or the device in the second step, the third step and the fourth step needs to be powered off firstly before being used, then checking whether a grounding wire of the equipment is firm, checking whether insulation protection connected with a power supply is safe and reliable, and checking to use the equipment after the completion of disinfection.

The cosolvent comprises the following raw materials: the auxiliary agent comprises the following raw materials in parts by weight, 0.75 part, 0.7 part, 0.83 part and 0.72 part, wherein the raw materials comprise ethylene glycol butyl ether, diethylene glycol butyl ether, n-butyl alcohol and propylene glycol methyl ether in sequence, and the auxiliary agent comprises the following raw materials: the flame-retardant coating comprises a neutralizer, an anti-sagging agent, an organic silicon flatting agent, an antioxidant, a moisture-proof agent, a pH regulator and a toughening agent, wherein the raw materials are sequentially 0.75 part, 0.8 part, 0.7 part, 0.71 part, 0.79 part, 0.65 part and 0.85 part in parts by weight, the modifier is a silane modifier, the type of the silane modifier is KH-792 or KH171, and the flame-retardant material is formed by combining one or two of chloroprene rubber liquid, chlorosulfonated polyethylene rubber liquid, polyvinyl chloride rubber liquid and silicon rubber liquid.

Example two: a preparation process of an explosion-proof flexible paint comprises the following steps: step one, raw material preparation: preparing the following raw material components in parts by weight: 77 parts of epoxy acrylate resin, 24.5 parts of amino resin, 6 parts of pigment and filler, 6 parts of nano powdery antistatic additive, 6.5 parts of flame retardant material, 3.5 parts of modifier, 8.5 parts of royal jelly, 4 parts of cosolvent and 6.65 parts of assistant, and then collecting the components for later use;

step two, premixing raw materials: uniformly adding the nano powdery antistatic additive and the flame retardant material in corresponding parts in the step one into a vertical pre-mixer, controlling the start of the vertical pre-mixer, controlling the rotating speed of a mixing blade at 168r/min, discharging the mixed powder after pre-mixing for 22.5 minutes to obtain mixed powder, and collecting the mixed powder for later use;

step three, raw material blending: uniformly adding the corresponding parts of epoxy acrylate resin, amino resin, pigment and filler and cosolvent into a sealed stirring device, controlling the start of the sealed stirring device, controlling the rotating speed of a stirring paddle at 263r/min, simultaneously heating the interior of the sealed stirring device to 68 ℃ in an electric heating mode, stirring for 9min, adding the corresponding parts of modifier into the sealed stirring device, sequentially adding the royal jelly, the auxiliary agent and the mixed powder collected in the second step into the sealed stirring device, controlling the rotating speed of the stirring paddle to be increased to 388r/min, raising the temperature to 88 ℃, stirring for 36min under the condition of keeping the temperature unchanged, then completing the melting, obtaining the processed paint and pouring out and collecting the paint, pouring the paint into a constant-temperature oscillator after collecting the paint in the third step, controlling the constant temperature to vibrate, shaking for 20min, pouring out and collecting, and then putting into the next step for processing;

step four, vacuum filling: adding the paint obtained in the third step into a filling machine, controlling the filling machine to carry out quantitative filling into a specified package, simultaneously carrying out vacuumizing treatment on the interior of the package by adopting vacuumizing equipment before sealing the package to obtain a finished product of the preparation process of the explosion-proof flexible paint, wherein the paint needs to be repeatedly filtered for at least 3 times by using a filtering device before being added into the filling machine in the fourth step, the mesh number of a filter screen in the filtering device is controlled to be 190, the equipment or the device in the second step, the third step and the fourth step needs to be powered off firstly before being used, then checking whether a grounding wire of the equipment is firm, checking whether insulation protection connected with a power supply is safe and reliable, and checking to use the equipment after the completion of disinfection.

The cosolvent comprises the following raw materials: the auxiliary agent comprises the following raw materials in parts by weight, 1 part, 0.95 part, 1.075 part and 0.975 part, wherein the raw materials comprise ethylene glycol butyl ether, diethylene glycol butyl ether, n-butyl alcohol and propylene glycol methyl ether in sequence, and the auxiliary agent comprises the following raw materials: the flame-retardant coating comprises a neutralizer, an anti-sagging agent, an organic silicon flatting agent, an antioxidant, a moisture-proof agent, a pH regulator and a toughening agent, wherein the raw materials are sequentially 0.95 part, 1 part, 0.9 part, 0.94 part, 0.96 part, 0.85 part and 1.05 part in parts by weight, the modifier is a silane modifier, the type of the silane modifier is KH-792 or KH171, and the flame-retardant material is one or a combination of two of chloroprene rubber liquid, chlorosulfonated polyethylene rubber liquid, polyvinyl chloride rubber liquid and silicone rubber liquid.

Example three: a preparation process of an explosion-proof flexible paint comprises the following steps: step one, raw material preparation: preparing the following raw material components in parts by weight: 82 parts of epoxy acrylate resin, 26 parts of amino resin, 7 parts of pigment and filler, 7 parts of nano powdery antistatic additive, 7 parts of flame retardant material, 4 parts of modifier, 9 parts of bee milk, 5 parts of cosolvent and 8.05 parts of assistant, and then collecting the mixture for later use;

step two, premixing raw materials: uniformly adding the nano powdery antistatic additive and the flame retardant material in corresponding parts in the step one into a vertical pre-mixer, controlling the start of the vertical pre-mixer, controlling the rotating speed of a mixing blade at 212r/min, discharging the mixed powder after pre-mixing for 30 minutes to obtain mixed powder, and collecting the mixed powder for later use;

step three, raw material blending: uniformly adding the corresponding parts of epoxy acrylate resin, amino resin, pigment and filler and cosolvent into a sealed stirring device, controlling the start of the sealed stirring device, controlling the rotating speed of a stirring paddle at 302r/min, simultaneously heating the interior of the sealed stirring device to 75 ℃ in an electric heating mode, stirring for 10min, adding the corresponding parts of modifier into the sealed stirring device, sequentially adding the royal jelly, the auxiliary agent and the mixed powder collected in the second step into the sealed stirring device, controlling the rotating speed of the stirring paddle to be increased to 424r/min, raising the temperature to 94 ℃, stirring for 37min under the condition of keeping the temperature unchanged, then completing the melting, obtaining the processed paint and pouring out and collecting the paint, pouring the paint into a constant-temperature oscillator after collecting the paint in the third step, controlling the constant temperature to vibrate, shaking for 30min, pouring out and collecting, and then putting into the next step for processing;

step four, vacuum filling: adding the paint obtained in the third step into a filling machine, controlling the filling machine to carry out quantitative filling into a specified package, simultaneously carrying out vacuumizing treatment on the interior of the package by adopting vacuumizing equipment before sealing the package to obtain a finished product of the preparation process of the explosion-proof flexible paint, wherein the paint needs to be repeatedly filtered for at least 4 times by using a filtering device before being added into the filling machine in the fourth step, wherein the mesh number of a filter screen inside the filtering device is controlled to be 210, the equipment or the device in the second step, the third step and the fourth step needs to be powered off firstly before being used, then checking whether a grounding wire of the equipment is firm, checking whether insulation protection connected with a power supply is safe and reliable, and checking to use the equipment after the completion of disinfection.

The cosolvent comprises the following raw materials: the auxiliary agent comprises the following raw materials in parts by weight, 1.25 parts, 1.2 parts, 1.32 parts and 1.23 parts of ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, n-butyl alcohol and propylene glycol methyl ether in sequence, wherein the auxiliary agent comprises the following raw materials: the flame-retardant coating comprises a neutralizer, an anti-sagging agent, an organic silicon flatting agent, an antioxidant, a moisture-proof agent, a pH regulator and a toughening agent, wherein the raw materials are sequentially 1.15 parts, 1.2 parts, 1.1 parts, 1.17 parts, 1.13 parts, 1.05 parts and 1.25 parts in parts by weight, the modifier is a silane modifier, the type of the silane modifier is KH-792 or KH171, and the flame-retardant material is formed by combining one or two of chloroprene rubber liquid, chlorosulfonated polyethylene rubber liquid, polyvinyl chloride rubber liquid and silicon rubber liquid.

It can be seen from this that: the surface of a material of a part of paint is still easy to generate the condition of electrostatic conduction after being coated, and under the condition of certain special use environments and dangers, the flame retardant property is also required to be improved, so that the paint is not used for coating explosion-proof equipment, a large market is lost, the flexibility of the paint is poor, and resistance is caused for subsequent coating use, but in the preparation process of the explosion-proof flexible paint, the main material of the paint is prepared by epoxy acrylate resin, so that the paint has excellent curing and forming effects, the use convenience is improved, and after the nano powdery static-proof additive and the flame retardant material which are added into the paint are modified and fused with the nano powdery static-proof additive and the flame retardant material, the paint has good antistatic and flame retardant capabilities, is suitable for coating explosion-proof equipment, and the application range of the paint is relatively improved, the paint has good market prospect and production benefit, the anti-sagging agent and the organic silicon flatting agent are added, so that the phenomena of shrinkage cavity, flatting and sagging can not easily occur when the paint is used, and the constant-temperature oscillation step is added in the preparation process, so that the raw materials of the paint can be better fused, the use reliability of the paint is further ensured, the preparation process is simple, the number of processing equipment is small, and the production benefit is relatively improved.