CN114106614A - Flexible colloid protective agent for producing colorful stone-like paint - Google Patents
Flexible colloid protective agent for producing colorful stone-like paint Download PDFInfo
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
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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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
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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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
- C09D101/284—Alkyl ethers with hydroxylated hydrocarbon radicals
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
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Abstract
The invention discloses a flexible colloid protective agent for producing colorful stone-like paint, which comprises the following components: propylene glycol alginate aqueous solution, cellulose aqueous solution, polyvinyl alcohol aqueous solution and xanthan gum aqueous solution. The flexible colloid protective agent prepared from the propylene glycol alginate, the cellulose, the polyvinyl alcohol and the xanthan gum has good strength and flexibility, good normal-temperature solubility and low basic viscosity, and is more favorable for large-scale production.
Description
Technical Field
The invention belongs to the technical field of colorful stone-like paint production, and particularly relates to a flexible colloid protective agent for colorful stone-like paint production.
Background
The multi-color stone-like paint is mainly used for imitating stone effect, is mainly prepared by white natural stone powder and pigment, and is mostly used for manufacturing stone-like effect of building exterior walls, so the paint is also called liquid stone, is a water-based multi-color exterior wall paint which is produced by suspending two or more than two water-based color particles in a water-based interlayer and spraying for producing various colors by one time, takes acrylic acid silicon resin emulsion or fluorocarbon resin emulsion as a base material, combines high-quality inorganic pigment and high-performance auxiliary agent, breaks through the chemical theory of paint, and is processed by a special process, in recent years, the multi-color stone-like paint such as water-in-sand, water-in-water and the like is applied to the decoration of the exterior walls of buildings, and the multi-color stone-like paint is a thick exterior wall decoration paint with the decoration effect similar to marble and granite, and the buildings decorated by the multi-color stone-like paint have natural color and luster, it is elegant, harmonious and modesty and suitable for indoor and outdoor decoration of various buildings. Especially, the decoration on the curved surface building can receive the effects of lively, lifelike and natural return.
When the traditional colorful stone-like paint is used, the coating performance of the colloid protective agent used by the colorful stone-like paint is unstable, the strength and the flexibility are insufficient, high-pressure spraying cannot be performed, and color dots are easy to break in the spraying process, so that the colorful stone-like paint is mixed in color, the covering power is low, the simulation effect is poor, the requirements on operating conditions in the construction process are strict, and the construction efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a flexible colloid protective agent for producing colorful stone-like paint, which solves the problems that the coating performance of the colloid protective agent used for colorful stone-like paint is unstable, the strength and the flexibility are not enough, high-pressure spraying cannot be carried out, and color points are easy to break in the spraying process, so that the colorful stone-like paint is mixed in color, the covering power is low, the simulation effect is poor, the requirements on operating conditions in the construction process are strict, and the construction efficiency is low.
In order to achieve the purpose, the invention provides the following technical scheme: a flexible colloid protective agent for colorful stone-like paint production comprises the following components: 10-50% of propylene glycol alginate aqueous solution, 30-80% of cellulose aqueous solution, 2-15% of polyvinyl alcohol aqueous solution and 3-10% of xanthan gum aqueous solution.
Preferably, the sum of the mass percentages of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%.
Preferably, the propylene glycol alginate aqueous solution preferably has a content of 20 to 50% by mass, and most preferably 30 to 50% by mass.
Preferably, the content of the cellulose aqueous solution is 40-80% by mass, and the mass percent is 40-70% most preferably.
Preferably, the content of the polyvinyl alcohol aqueous solution is 5-15% by mass, and the mass percent is 8-10% most preferably.
Preferably, the content of the xanthan gum solution is 5-10% by mass, and the optimal content is 8-10% by mass.
Preferably, the mass percent of the propylene glycol alginate in the propylene glycol alginate aqueous solution is 5-10%, the mass percent of the cellulose in the cellulose aqueous solution is 1-5%, the mass percent of the polyvinyl alcohol in the polyvinyl alcohol aqueous solution is 5-10%, and the mass percent of the xanthan gum in the xanthan gum aqueous solution is 1-2%.
Preferably, the cellulose is one or a combination of several of hydroxyethyl cellulose, methyl ethyl cellulose and hydroxymethyl cellulose.
Preferably, the flexible colloid protective agent is prepared by sequentially adding the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution into a reaction kettle in sequence, and carrying out reaction and compounding in the reaction kettle.
Preferably, the reaction temperature in the reaction kettle is controlled to be 30-60 ℃, and the reaction temperature is optimally controlled to be 40-50 ℃.
Compared with the prior art, the invention has the beneficial effects that:
1. the flexible colloid protective agent prepared from the propylene glycol alginate, the cellulose, the polyvinyl alcohol and the xanthan gum has good strength and flexibility, good normal-temperature solubility, low basic viscosity and high suitability for large-scale production, and the colorful stone-like paint prepared from the flexible colloid protective agent has high covering power, vivid simulation effect and high-pressure spraying, can protect color points from being broken easily in the spraying process, avoids color mixing of the colorful stone-like paint, has excellent salting-out resistance and is stable to various metal ions.
2. The viscosity and the emulsifying property of the prepared flexible colloid protective agent can be increased through the added propylene glycol alginate, the propylene glycol alginate is prepared by deep processing of alginic acid extracted from natural seaweed, the appearance is white or light yellow powder, and the propylene glycol alginate becomes viscous colloid after being dissolved in water, so that the preparation speed of the flexible colloid protective agent can be increased, and in addition, the propylene glycol alginate has anti-salting-out capacity, is stable to metal ions, and can improve the stability of the prepared flexible colloid protective agent.
3. The rigidity intensity of the prepared flexible colloid protective agent can be increased by the added cellulose, the adopted cellulose is one or the combination of several of hydroxyethyl cellulose, methyl ethyl cellulose or hydroxymethyl cellulose, cellulose molecules have polarity, the interaction force between molecular chains is very strong, hydrogen bonds can be formed in the cellulose molecules and among the cellulose molecules, particularly the hydrogen bonds in the molecules, so that the glycosidic bonds can not rotate, the rigidity of the flexible colloid protective agent is greatly increased, the rigidity intensity of the prepared flexible colloid protective agent can be improved, high-pressure spraying can be carried out, color points can be protected from being easily broken in the spraying process, and the color mixing of the colorful stone-like paint can be avoided.
4. The stability of the prepared flexible colloid protective agent can be improved through the added polyvinyl alcohol, the polyvinyl alcohol is mainly used as an emulsion stabilizer among other solvents, and the viscosity of the prepared flexible colloid protective agent is increased, so that the colorful stone-like paint has better adhesiveness, and the covering power of the colorful stone-like paint is enhanced.
5. The overall stability of the prepared flexible colloid protective agent can be improved through the added xanthan gum, the xanthan gum solution has the characteristic of low concentration and high viscosity and is an efficient thickening agent, the viscosity of the xanthan gum solution cannot be greatly changed along with the change of the temperature, and the prepared flexible colloid protective agent can be prevented from being deformed at high temperature.
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:
the invention provides a technical scheme that: a flexible colloid protective agent for producing colorful stone-like paint comprises the following components: 10-50% of propylene glycol alginate aqueous solution, wherein the mass percent of the propylene glycol alginate in the propylene glycol alginate aqueous solution is 5-10%, the mass percent of the propylene glycol alginate aqueous solution is preferably 20-50%, and the mass percent is most preferably 30-50%, 30-80% of cellulose aqueous solution, the mass percent of the cellulose in the cellulose aqueous solution is 1-5%, the cellulose is one or a combination of hydroxyethyl cellulose, methyl ethyl cellulose or hydroxymethyl cellulose, the mass percent of the cellulose aqueous solution is preferably 40-80%, and the mass percent is most preferably 40-70%, 2-15% of polyvinyl alcohol aqueous solution, the mass percent of the polyvinyl alcohol in the polyvinyl alcohol aqueous solution is 5-10%, and the mass percent of the polyvinyl alcohol aqueous solution is preferably 5-15%, the mass percent of the xanthan gum aqueous solution is 8-10% optimal, the mass percent of the xanthan gum in the xanthan gum aqueous solution is 1-2%, the mass percent of the xanthan gum aqueous solution is 5-10% optimal, the mass percent of the xanthan gum aqueous solution is 8-10% optimal, the sum of the mass percent of the propylene glycol alginate aqueous solution, the mass percent of the cellulose aqueous solution, the mass percent of the polyvinyl alcohol aqueous solution and the mass percent of the xanthan gum aqueous solution is 100%, the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the mass percent of the polyvinyl alcohol aqueous solution and the mass percent of the xanthan gum aqueous solution are sequentially added into a reaction kettle during the preparation of the flexible colloid protective agent, the reaction and the compounding are carried out in the reaction kettle, the reaction temperature in the reaction kettle is controlled to be 30-60 ℃, the reaction temperature is controlled to be 40-50 ℃ optimal, and the flexible colloid protective agent has good normal temperature solubility after the preparation is finished, the colorful stone-like paint prepared by using the flexible colloid protective agent has high covering power and vivid simulation effect, the construction spraying pressure of the colorful stone-like paint prepared by using the flexible colloid protective agent can be 0.1-1Mpa, preferably, the spraying pressure can be 0.2-0.8Mpa, more preferably, the spraying pressure can be 0.3-0.6Mpa, the spraying is more convenient and rapid, the construction efficiency is greatly improved, and the colorful stone-like paint has excellent salting-out resistance and is stable to various metal ions.
Example two:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: the flexible colloid protective agent is prepared by sequentially adding a 10% propylene glycol alginate aqueous solution, a 75% cellulose aqueous solution, 1% cellulose, hydroxyethyl cellulose, 10% polyvinyl alcohol aqueous solution, 5% polyvinyl alcohol, 5% xanthan gum aqueous solution and 2% xanthan gum aqueous solution into a reaction kettle in the order of propylene glycol alginate aqueous solution, cellulose aqueous solution, polyvinyl alcohol aqueous solution and xanthan gum aqueous solution, reacting and compounding in the reaction kettle, controlling the reaction temperature in the reaction kettle to be 30 ℃, after the flexible colloid protective agent is prepared, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example three:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: 20 percent of propylene glycol alginate aqueous solution, 7 percent of propylene glycol alginate in the propylene glycol alginate aqueous solution, 65 percent of cellulose aqueous solution, 2 percent of cellulose in the cellulose aqueous solution, hydroxyethyl cellulose, 9 percent of polyvinyl alcohol aqueous solution, 7 percent of polyvinyl alcohol in the polyvinyl alcohol aqueous solution, 6 percent of xanthan gum aqueous solution, 1 percent of xanthan gum in the xanthan gum aqueous solution, and the sum of the mass percentages of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100 percent, when the flexible colloid protective agent is prepared, the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution are sequentially added into a reaction kettle in sequence, and are reacted and compounded in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 40 ℃, after the flexible colloid protective agent is prepared, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example four:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: 30% of propylene glycol alginate aqueous solution, wherein the propylene glycol alginate aqueous solution comprises 6% by mass of propylene glycol alginate, 55% of cellulose aqueous solution, the cellulose aqueous solution comprises 3% by mass of cellulose, the cellulose is formed by combining hydroxyethyl cellulose and methyl ethyl cellulose, the 10% of polyvinyl alcohol aqueous solution comprises 7% by mass of polyvinyl alcohol and 5% of xanthan gum aqueous solution, the mass percent of xanthan gum in the xanthan gum aqueous solution is 2%, the sum of the mass percent of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%, the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution are sequentially added into a reaction kettle in sequence during preparation of the flexible colloid protective agent, and are reacted and compounded in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 50 ℃, after the preparation of the flexible colloid protective agent is finished, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example five:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: the protective agent comprises 35% of propylene glycol alginate aqueous solution, wherein the propylene glycol alginate aqueous solution comprises 6% by mass of propylene glycol alginate, 55% of cellulose aqueous solution, the cellulose aqueous solution comprises 3% by mass of cellulose, the cellulose is formed by combining hydroxyethyl cellulose and methyl ethyl cellulose, the 5% of polyvinyl alcohol aqueous solution comprises 8% by mass of polyvinyl alcohol, 5% of xanthan gum aqueous solution, the mass percent of xanthan gum in the xanthan gum aqueous solution is 2%, the sum of the mass percent of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%, the protective agent for the flexible colloid needs to be sequentially added into a reaction kettle in the order of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution during preparation, and is subjected to reaction and compounding in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 45 ℃, after the preparation of the flexible colloid protective agent is finished, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example six:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: the preparation method comprises the following steps of preparing a 50% propylene glycol alginate aqueous solution, wherein the propylene glycol alginate aqueous solution comprises 5% by mass of propylene glycol alginate, 40% of cellulose aqueous solution comprises 5% by mass of cellulose in the cellulose aqueous solution, the cellulose is formed by combining methyl ethyl cellulose and hydroxymethyl cellulose, the 4% polyvinyl alcohol aqueous solution comprises 10% by mass of polyvinyl alcohol in the polyvinyl alcohol aqueous solution, 6% of xanthan gum aqueous solution, 1.5% by mass of xanthan gum in the xanthan gum aqueous solution, and the sum of the mass percentages of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%, and when the flexible colloid protective agent is prepared, the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution are sequentially added into a reaction kettle in sequence and are subjected to reaction and compounding in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 60 ℃, after the preparation of the flexible colloid protective agent is finished, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example seven:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: 30% of propylene glycol alginate aqueous solution, wherein the propylene glycol alginate aqueous solution comprises 5% by mass of propylene glycol alginate, 60% of cellulose aqueous solution, the cellulose aqueous solution comprises 3% by mass of cellulose, the cellulose is formed by combining hydroxyethyl cellulose, methyl ethyl cellulose and hydroxymethyl cellulose, the 4% of polyvinyl alcohol aqueous solution comprises 8% by mass of polyvinyl alcohol and 6% of xanthan gum aqueous solution, the mass percentage of xanthan gum in the xanthan gum aqueous solution is 1%, the sum of the mass percentages of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%, the flexible protective colloid is prepared by sequentially adding the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution into a reaction kettle in sequence and carrying out reaction and compounding in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 45 ℃, after the preparation of the flexible colloid protective agent is finished, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example eight:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: the flexible colloid protective agent is prepared by sequentially adding a 45% propylene glycol alginate aqueous solution, a 6% propylene glycol alginate aqueous solution, a 40% cellulose aqueous solution, a 4% cellulose aqueous solution, a 10% hydroxymethyl cellulose aqueous solution, a 7% polyvinyl alcohol aqueous solution, a 5% xanthan gum aqueous solution, and 1.5% xanthan gum aqueous solution into a xanthan gum aqueous solution, wherein the sum of the mass percentages of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%, the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution are sequentially added into a reaction kettle in the order of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution, and are reacted and compounded in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 42 ℃, after the flexible colloid protective agent is prepared, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example nine:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: a 43% propylene glycol alginate aqueous solution, wherein the propylene glycol alginate aqueous solution comprises 6.5% by mass of propylene glycol alginate, and 47% by mass of a cellulose aqueous solution, the cellulose aqueous solution comprises 4% by mass of cellulose, the cellulose is formed by combining methyl ethyl cellulose and hydroxymethyl cellulose, the 5% polyvinyl alcohol aqueous solution comprises 8% by mass of polyvinyl alcohol in the polyvinyl alcohol aqueous solution, 5% by mass of a xanthan gum aqueous solution, the mass percent of xanthan gum in the xanthan gum aqueous solution is 2%, and the sum of the mass percent of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%, when the flexible colloid protective agent is prepared, the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution are sequentially added into a reaction kettle and compounded in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 55 ℃, after the preparation of the flexible colloid protective agent is finished, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
Example ten:
on the basis of the first embodiment, the invention provides a technical scheme that: the flexible colloid protective agent comprises the following components: the protective agent comprises a 40% propylene glycol alginate aqueous solution, wherein the propylene glycol alginate aqueous solution comprises 6% by mass of propylene glycol alginate, 44% of cellulose aqueous solution, the cellulose aqueous solution comprises 3% by mass of cellulose, the cellulose is formed by combining methyl ethyl cellulose and hydroxymethyl cellulose, the 8% polyvinyl alcohol aqueous solution comprises 9% by mass of polyvinyl alcohol in the polyvinyl alcohol aqueous solution, 8% of xanthan gum aqueous solution, the mass percent of xanthan gum in the xanthan gum aqueous solution is 1.7%, the sum of the mass percent of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the mass percent of the polyvinyl alcohol aqueous solution and the mass percent of the xanthan gum aqueous solution is 100%, the protective agent for the flexible colloid needs to be sequentially added into a reaction kettle in the order of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution during preparation, and is subjected to reaction and compounding in the reaction kettle, the reaction temperature in the reaction kettle is controlled at 48 ℃, after the preparation of the flexible colloid protective agent is finished, the flexible colloid protective agent is used for preparing the colorful stone-like paint, and the construction spraying pressure of the prepared colorful stone-like paint is 0.5 Mpa.
The colorful stone-like paint prepared from the flexible colloid protective agent prepared in the second to tenth embodiments is tested for strength, flexibility and viscosity coverage, and the test results are shown in the following table:
| example two | EXAMPLE III | Example four | EXAMPLE five | EXAMPLE six | EXAMPLE seven | Example eight | Example nine | Example ten | |
| Strength of | 1.5Mpa | 1.7Mpa | 1.3Mpa | 2.0Mpa | 1.7Mpa | 2.0Mpa | 1.8Mpa | 1.9Mpa | 1.6Mpa |
| Degree of viscous coverage | 97% | 98% | 97% | 99% | 98% | 99% | 98% | 99% | 97% |
Therefore, the colorful stone-like paint prepared by the flexible colloid protective agent has higher performance in strength, flexibility and viscosity coverage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A flexible colloid protective agent for colorful stone-like paint production is characterized in that: the flexible colloid protective agent comprises the following components: 10-50% of propylene glycol alginate aqueous solution, 30-80% of cellulose aqueous solution, 2-15% of polyvinyl alcohol aqueous solution and 3-10% of xanthan gum aqueous solution.
2. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the sum of the mass percentages of the propylene glycol alginate aqueous solution, the cellulose aqueous solution, the polyvinyl alcohol aqueous solution and the xanthan gum aqueous solution is 100%.
3. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the content of the propylene glycol alginate aqueous solution is preferably 20-50% by mass, and most preferably 30-50% by mass.
4. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the content of the cellulose aqueous solution is preferably 40-80% by mass, and the most preferred content is 40-70% by mass.
5. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the content of the polyvinyl alcohol aqueous solution is preferably 5-15% by mass, and the optimal weight percentage is 8-10%.
6. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the content of the xanthan gum solution is preferably 5-10% by mass, and the optimal mass percentage is 8-10%.
7. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the mass percent of the propylene glycol alginate in the propylene glycol alginate aqueous solution is 5-10%, the mass percent of the cellulose in the cellulose aqueous solution is 1-5%, the mass percent of the polyvinyl alcohol in the polyvinyl alcohol aqueous solution is 5-10%, and the mass percent of the xanthan gum in the xanthan gum aqueous solution is 1-2%.
8. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: the cellulose is one or a combination of hydroxyethyl cellulose, methyl ethyl cellulose or hydroxymethyl cellulose.
9. The flexible colloid protective agent for colorful stone-like paint production according to claim 1, characterized in that: when the flexible colloid protective agent is prepared, propylene glycol alginate aqueous solution, cellulose aqueous solution, polyvinyl alcohol aqueous solution and xanthan gum aqueous solution are sequentially added into a reaction kettle in sequence, and reaction and compounding are carried out in the reaction kettle.
10. The flexible colloid protective agent for colorful stone-like paint production according to claim 9, wherein: the reaction temperature in the reaction kettle is controlled at 30-60 ℃, and the reaction temperature is optimally controlled at 40-50 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115960507A (en) * | 2023-01-06 | 2023-04-14 | 湖北三棵树新材料科技有限公司 | Batch-scraping multifunctional colorful putty and preparation method thereof |
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| CN115960507B (en) * | 2023-01-06 | 2024-02-13 | 湖北三棵树新材料科技有限公司 | Multifunctional multi-color putty for batch scraping and preparation method thereof |
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