CN104945967A - Spraying-film waterproof material capable of preventing splashing, and preparation and application method thereof - Google Patents
Spraying-film waterproof material capable of preventing splashing, and preparation and application method thereof Download PDFInfo
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Abstract
The invention discloses a spraying-film waterproof material capable of preventing splashing, and a preparation and application method thereof. The spraying-film waterproof material is prepared from the following raw materials in parts by weight: 100 parts of magnesium acrylate monomer solution, 2-10 parts of polyvinyl alcohol solution, 2-20 parts of kaolin, 2-20 parts of silica white and 2-20 parts of calcium carbonate. By utilizing the technical characteristics of adhesiveness in the polyvinyl alcohol solution and compatibility in the magnesium acrylate monomer solution, after the main material and reducer of the spraying-film waterproof material are mixed and the auxiliary material and oxidizer are mixed, when the main material and auxiliary material are sprayed to a wall surface or any other application substance surface by a two-inlet one-outlet spray gun, the adhesive action of the polyvinyl alcohol is utilized to promote the components A and B of the spraying-film waterproof material to be quickly bound with the coating substance surface, thereby preventing the phenomena of splashing and rebounding, enhancing the use rate of the acrylate material and reducing the material waste. The spraying-film waterproof material is convenient for construction, and better protects good health of the constructors.
Description
Technical field
The present invention relates to a kind of spray film water-proofing material, be specially a kind of liquid spray water-proof material, especially a kind of spray film water-proofing material and preparation and application thereof that can prevent splashing, belongs to waterproof paint technical field.
Background technology
In the tunnel of basic job facilities and other underground works, very high to the requirement of anti-seep water.The waterproof measure of current employing is normally by the mode of spray film construction, namely specifically the spray film major ingredient of the shape that is in a liquid state is injected in need to carry out WATER REPELLENT project subject surface or geomembrane on, one deck waterproof membrane can be solidify to form, to reach the object of waterproof after its coating drying.In order to accelerate the time that waterproof membrane is formed, prior art is all that waterproof spraying film materials is divided into two portions, i.e. component A and B component, usual component A is major ingredient, B component is auxiliary material, two portions coating is separated splendid attire separately, a kind of raw material of component is in alkalescence (if component A raw material is in alkalescence) under normal circumstances, the raw material of another kind of component is in acid (if B component raw material is in acid), spray after component A raw material and B component raw material are entered a spray gun mixing out by one two, the moment that it is being sprayed at metope or wall can condense film-forming, at once waterproof, seepage control effect is played.
In prior art, the patented technology of spray film water-proofing material discloses more, if application number is the Chinese patent literature of CN200510022259.7, disclose high spray film water-proofing material of a kind of tensile strength and preparation method thereof, it comprises spray film water-proofing material major ingredient, basic composition is of described major ingredient: the Magnesium Acrylate Prepared monomer solution of 100 parts and 1-20 part and granularity is 300-600 object light magnesium oxide.The spray rete tensile strength that this kind of major ingredient is formed is high, and in the higher water of the alkalescence being soaked in underground works, mechanical property keeps, long service life.And for example application number is the Chinese patent literature of CN00120645.1, disclose a kind of blasting materials for the formation of membrane waterproofing, its with vinylformic acid or derivatives thereof for film forming ingredients component, and containing oxygenant, reductive agent, aggregate filling components and auxiliary component and water.This blasting materials is made up of basic components and oxygenant and reductive agent three class component, each component is by weight composed as follows: basic components: 25% ~ 50% (weight) Magnesium Acrylate Prepared aqueous solution 100 parts, Natvosol 0.2-0.3 part, white carbon black 5-20 part, aggregate stopping composition 10-30 part, talcum 5-15 part, polyoxyethylene glycol 5-25 part, auxiliary addO-on therapy 0-0.5 part, wherein white carbon black, aggregate stopping composition and talcous weight summation≤35 part; Reductive agent 0.1-0.5 part; Oxygenant 0.5-2 part, the blasting materials of this membrane waterproofing achieves a kind of based on the preparation and application of the spray film water-proofing material of vinylformic acid and derivative thereof, and its waterproof effect is better.For another example application number is the Chinese patent literature of 201210388153.9, disclose a kind of spray film water-proofing material filler resisting strong alkaline water environment, it basic composition is: the Magnesium Acrylate Prepared monomer solution of 10 parts and 1-8 part and granularity is 325 object ordinary Portland cements, the ordinary Portland cement of described proportioning and granularity is added in the Magnesium Acrylate Prepared monomer solution of described proportioning, mixing is carried out homogenizing processing and obtains target product after infiltrating.In the filler of this technical scheme, the network structure that hydration paste powder in magnesium ion in the molecule of magnesium polyacrylate and polar group and normal silicate is complete, reactive force between its polymer is strengthened further, and the mechanical properties such as tensile strength keep, long service life.Experimental data shows, after adding ordinary Portland cement, its tensile strength rises to original 1-2 doubly, and elongation at break also meets the needs of engineering completely, improves the mechanical strength of spray film water-proof material and resistibility strong in strong alkaline water environment.
Along with the expanding day of infrastructure construction scale, in recent years, spray film water-proofing material is increasingly extensive in the application of tunnels and underground engineering, and consumption increases year by year.But carrying out in the process of waterproof membrane spraying application to the metope on project subject surface or wall, find that above-mentioned prior art all exists a common issue, namely when waterproof paint is sprayed on metope or wall, its moment contacted with metope or wall, under the spraying pressure of spray gun, liquid waterproof paint is after touching wall, have partially liq material can with metope or the backward outer splashing of collision with wall, thus on the body being splashed to constructor or splash down on the ground, when especially carrying out the construction of waterproof spray coating in the particular tunnel of poor working environment, its splashing rebound phenomenon is particularly serious, splashing resilience in this coating course of injection not only brings difficulty of construction to staff, also greatly reduce the rate of utilization of acrylate material, cause the waste of material in very high level and loss, and the waterproof of splashing resilience spray coating is easily sucked by constructing operation person and damages that it is healthy.
Prior art is in order to alleviate the splashing rebound phenomenon in this coating course of injection, normally adopt and regulate the air pressure size of spray gun to regulate and control, but the effect of this regulation and control is unsatisfactory, and when air pressure is turned down, the efficiency of spraying reduces greatly, and the method also increases equipment cost and operation easier.
Summary of the invention
In order to solve the above-mentioned defect that prior art exists, the present invention spy proposes a kind of spray film water-proofing material and the preparation and application thereof that can prevent splashing, its spray film water-proofing material raw material comprises by weight: Magnesium Acrylate Prepared monomer solution 100 parts, polyvinyl alcohol solution 2 ~ 10 parts, kaolin 2 ~ 20 parts, white carbon black 2 ~ 20 parts, 2 ~ 20 parts, calcium carbonate, the present invention utilizes polyvinyl alcohol solution to have the technical characteristic of tackiness and the intermiscibility with Magnesium Acrylate Prepared monomer solution, the major ingredient of spray film water-proofing material is mixed with reductive agent, after auxiliary material mixes with oxygenant by one two enter a spray gun out simultaneously by major ingredient and supplementary material spray when needing to carry out the applicator surfaces such as the metope of WATER REPELLENT or wall, the adhesive action of polyvinyl alcohol is utilized to impel the A of spray film water-proofing material, B component material and applicator surface are rapidly " bonding ", thus prevent from splashing and rebound phenomenon generation, improve the rate of utilization of acrylate material, decrease waste of material, and constructability, better protect the healthy of workmen.
Technical solution problem of the present invention, the technical scheme adopted is:
A kind of spray film water-proofing material that can prevent splashing that the present invention proposes, its raw material is divided into component A and B component, and its component A raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 2 ~ 10 parts,
Kaolin ... ... ... ... ... ... ... 2 ~ 20 parts,
White carbon black ... ... ... ... ... ... ... 2 ~ 20 parts,
Calcium carbonate ... ... ... ... ... ... ... 2 ~ 20 parts,
Alkaline conditioner ... ... ... ... ... ... 1 ~ 5 part;
Its B component raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 2 ~ 10 parts,
Kaolin ... ... ... ... ... ... ... 2 ~ 20 parts,
White carbon black ... ... ... ... ... ... ... 2 ~ 20 parts,
Calcium carbonate ... ... ... ... ... ... ... 2 ~ 20 parts,
Acid regulator ... ... ... ... ... ... 1 ~ 5 part.
Preferably, the above-mentioned spray film water-proofing material that can prevent splashing, described component A raw material is in alkalescence, and its pH value is PH7.5 to 9; Described B component raw material is in acid, and its pH value is PH5 to 6.5.
Preferably, described alkaline conditioner is sodium hydroxide.
Preferably, described acid regulator is vinylformic acid.
The present invention also proposes the above-mentioned preparation method that can prevent the spray film water-proofing material splashed, and it prepares the method for component A raw material, comprises the steps:
Steps A: 2 ~ 10 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min.
Step B: add kaolin, white carbon black, calcium carbonate successively by recipe requirements.
Step C: add alkaline conditioner gradually at the most by few by recipe requirements, by the regulation and control of the pH value of solution to PH7.5 to 9.
Step D: with high speed dispersor uniform stirring 30-60min;
It prepares the method for B component raw material, comprises the steps:
Steps A: 2 ~ 10 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min.
Step B: add kaolin, white carbon black, calcium carbonate successively by recipe requirements.
Step C: add acid regulator gradually at the most by few by recipe requirements, by the regulation and control of the pH value of solution to PH5 to 6.5.
Step D: with high speed dispersor uniform stirring 30-60min.
Preferably, in the steps A of above-mentioned preparation component A raw material and preparation B component raw material and step C, its stirring velocity is 1000 ~ 1500r/min.
The present invention also proposes the above-mentioned using method that can prevent the spray film water-proofing material splashed, and comprises the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, adds a chamber of spraying equipment, and add reductive agent in this chamber, stir;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, adds another chamber of spraying equipment, and add oxygenant in this chamber, stir;
Step C: by the component A raw material adding reductive agent and the B component raw material adding oxygenant after the nozzle of spraying equipment is mixed outward, be simultaneously sprayed on respectively on project subject surface or geomembrane.
Preferably, described reductive agent is persulfuric acid ferrous ammonium, and its consumption is 0.1% ~ 1% by the parts by weight of component A raw material.
Preferably, described oxygenant is Sodium Persulfate, and its consumption is 0.1% ~ 1% by the parts by weight of B component raw material.
Preferably, described spraying equipment is one two and enters a spray gun out.
The present invention also proposes the above-mentioned another kind of using method that can prevent the spray film water-proofing material splashed, and comprises the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, adds a chamber of spraying equipment;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, adds another chamber of spraying equipment;
Step C: add reductive agent in component A raw material---persulfuric acid ferrous ammonium, or oxygenant is added in B component raw material---Sodium Persulfate, stirs;
Step D: by a kind of component raw material adding reductive agent or oxygenant and the another kind of component raw material not adding reductive agent or oxygenant after the nozzle of spraying equipment is mixed outward, is sprayed on the project subject surface or geomembrane that need to carry out WATER REPELLENT respectively simultaneously.
The present invention also proposes above-mentioned another using method that can prevent the spray film water-proofing material splashed, and comprises the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, adds a chamber of spraying equipment;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, adds another chamber of spraying equipment;
Step C: add oxygenant in component A raw material---Sodium Persulfate, or reductive agent is added in B component raw material---persulfuric acid ferrous ammonium, stirs;
Step D: by a kind of component raw material adding reductive agent or oxygenant and the another kind of component raw material not adding reductive agent or oxygenant after the nozzle of spraying equipment is mixed outward, is sprayed on the project subject surface or geomembrane that need to carry out WATER REPELLENT respectively simultaneously.
Compared with prior art, the invention has the beneficial effects as follows: the present invention utilizes polyvinyl alcohol solution to have the technical characteristic of tackiness and the intermiscibility with Magnesium Acrylate Prepared monomer solution, the component A material of spray film water-proofing material major ingredient is mixed with reductive agent, the B component material of spray film water-proofing material auxiliary material is mixed with oxygenant, then enter a spray gun out by one two to spray simultaneously, be injected on the project subject such as metope or wall surface or geomembrane after mixed outside nozzle place, the adhesive action of polyvinyl alcohol is utilized to impel the A of spray film water-proofing material, B component material and applicator surface are rapidly " bonding ", thus prevent from splashing and rebound phenomenon generation, improve the rate of utilization of acrylate material, decrease waste of material, and constructability, better protect the healthy of workmen.Through overtesting practice, prior art is compared, and the present invention can reduce by the resilience splashing of more than 80%, significantly reduces the resilience of spray film water-proofing material in sprayed construction process and splashes, and substantially achieves the resilience preventing spray film water-proofing material when sprayed construction and splashes.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
A kind of spray film water-proofing material that can prevent splashing that the present invention proposes, its raw material is divided into component A and B component, and its component A raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 2 parts,
Kaolin ... ... ... ... ... ... ... 2 parts,
White carbon black ... ... ... ... ... ... ... 2 parts,
Calcium carbonate ... ... ... ... ... ... ... 2 parts,
Alkaline conditioner---sodium hydroxide ... ... ... ... .1 ~ 2 part;
Its method preparing component A raw material comprises the steps:
Steps A: 2 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min, stirring velocity 1000r/min;
Step B: add 2 parts of kaolin, 2 parts of white carbon blacks, 2 parts of calcium carbonate successively by recipe requirements;
Step C: and add 1 to 2 part of Sodium Hydroxide Alkaline conditioning agent by recipe requirements at the most gradually by few, by the regulation and control of the pH value of solution to about PH7.5;
Step D: stir 30min with high speed dispersor, stirring velocity is 1500r/min;
Through adopting the test of PH test paper, above-mentioned component A raw material is in alkalescence, and its pH value is PH7.5.
In the present embodiment, its B component raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 2 parts,
Kaolin ... ... ... ... ... ... ... 2 parts,
White carbon black ... ... ... ... ... ... ... 2 parts,
Calcium carbonate ... ... ... ... ... ... ... 2 parts,
Acid regulator---vinylformic acid ... ... ... ... ... 1 ~ 2 part.
It prepares the method for B component raw material, comprises the steps:
Steps A: 2 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min, stirring velocity 1000r/min;
Step B: add 2 parts of kaolin, 2 parts of white carbon blacks, 2 parts of calcium carbonate successively by recipe requirements;
Step C: and add 1 to 2 part of acrylic acid conditioning agent by recipe requirements at the most gradually by few, by the regulation and control of the pH value of solution to about PH6.5;
Step D: stir 30min with high speed dispersor, stirring velocity is 1500r/min;
Through adopting the test of PH test paper, above-mentioned B component raw material is in acid, and its pH value is PH6.5.
The above-mentioned using method that can prevent the spray film water-proofing material splashed prepared, comprises the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, add two and enter a feed liquor chamber in a spray gun out, and in this chamber, add the reductive agent that parts by weight is 0.1% of component A raw material---persulfuric acid ferrous ammonium, stirs 2min even to it;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, add two and enter another feed liquor chamber in a spray gun out, and in this chamber, add the oxygenant that parts by weight is 0.1% of B component raw material---Sodium Persulfate, stirs 2min even to it;
Step C: by the component A raw material adding reductive agent and the B component raw material adding oxygenant through two enter a nozzle outing spray gun mixed outward after, be sprayed on respectively on project subject surface or geomembrane simultaneously.
After sprayed construction is carried out to the spray film water-proofing material in the present embodiment, check its spray film effect: 1. resilience obviously reduces, compared with prior art, the resilience decreasing 91% is splashed, significantly reduce the resilience of spray film water-proofing material in sprayed construction process to splash, substantially achieve the resilience preventing spray film water-proofing material when sprayed construction to splash, 2. system viscosity is without considerable change; 3. material property conformance with standard requirement.
Embodiment 2
A kind of spray film water-proofing material that can prevent splashing that the present invention proposes, its raw material is divided into component A and B component, and its component A raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 5 parts,
Kaolin ... ... ... ... ... ... ... 10 parts,
White carbon black ... ... ... ... ... ... ... 10 parts,
Calcium carbonate ... ... ... ... ... ... ... 10 parts,
Alkaline conditioner---sodium hydroxide ... ... ... ... .3 ~ 4 part;
Its method preparing component A raw material comprises the steps:
Steps A: 5 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min, stirring velocity 1200r/min;
Step B: add 10 parts of kaolin, 10 parts of white carbon blacks, 10 parts of calcium carbonate successively by recipe requirements;
Step C: and add 3 to 4 parts of Sodium Hydroxide Alkaline conditioning agents by recipe requirements at the most gradually by few, by the regulation and control of the pH value of solution to about PH8;
Step D: stir 45min with high speed dispersor, stirring velocity is 1200r/min;
Through adopting the test of PH test paper, above-mentioned component A raw material is in alkalescence, and its pH value is PH8.
In the present embodiment, its B component raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 5 parts,
Kaolin ... ... ... ... ... ... ... 10 parts,
White carbon black ... ... ... ... ... ... ... 10 parts,
Calcium carbonate ... ... ... ... ... ... ... 10 parts,
Acid regulator---vinylformic acid ... ... ... ... ... 3 ~ 4 parts.
It prepares the method for B component raw material, comprises the steps:
Steps A: 5 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min, stirring velocity 1200r/min;
Step B: add 10 parts of kaolin, 10 parts of white carbon blacks, 10 parts of calcium carbonate successively by recipe requirements;
Step C: and add 3 to 4 parts of acrylic acid conditioning agents by recipe requirements at the most gradually by few, by the regulation and control of the pH value of solution to about PH6;
Step D: stir 45min with high speed dispersor, stirring velocity is 1200r/min;
Through adopting the test of PH test paper, above-mentioned B component raw material is in acid, and its pH value is PH6.
The above-mentioned using method that can prevent the spray film water-proofing material splashed prepared, comprises the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, add two and enter a feed liquor chamber in a spray gun out, and in this chamber, add the reductive agent that parts by weight is 0.5% of component A raw material---persulfuric acid ferrous ammonium, stirs 3min even to it;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, add two and enter another feed liquor chamber in a spray gun out, and in this chamber, add the oxygenant that parts by weight is 0.5% of B component raw material---Sodium Persulfate, stirs 3min even to it;
Step C: by the component A raw material adding reductive agent and the B component raw material adding oxygenant through two enter a nozzle outing spray gun mixed outward after, be sprayed on respectively on project subject surface or geomembrane simultaneously.
After sprayed construction is carried out to the spray film water-proofing material in the present embodiment, check its spray film effect: 1. compared with prior art, the resilience decreasing 99% is splashed, and substantially occurs without resilience splash phenomena, achieves the resilience preventing spray film water-proofing material when sprayed construction and splashes; 2. system viscosity is without considerable change; 3. material property conformance with standard requirement.
Embodiment 3
A kind of spray film water-proofing material that can prevent splashing that the present invention proposes, its raw material is divided into component A and B component, and its component A raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 10 parts,
Kaolin ... ... ... ... ... ... ... 20 parts,
White carbon black ... ... ... ... ... ... ... 10 parts,
Calcium carbonate ... ... ... ... ... ... ... 20 parts,
Alkaline conditioner---sodium hydroxide ... ... ... ... .4 ~ 5 part;
Its method preparing component A raw material comprises the steps:
Steps A: 10 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min, stirring velocity 1500r/min;
Step B: add 20 parts of kaolin, 20 parts of white carbon blacks, 20 parts of calcium carbonate successively by recipe requirements;
Step C: and add 4 to 5 parts of Sodium Hydroxide Alkaline conditioning agents by recipe requirements at the most gradually by few, by the regulation and control of the pH value of solution to about PH9;
Step D: stir 60min with high speed dispersor, stirring velocity is 1000r/min;
Through adopting the test of PH test paper, above-mentioned component A raw material is in alkalescence, and its pH value is PH9.
In the present embodiment, its B component raw material comprises by weight:
Magnesium Acrylate Prepared monomer solution ... ... ... ... ... 100 parts,
Polyvinyl alcohol solution ... ... ... ... ... 10 parts,
Kaolin ... ... ... ... ... ... ... 20 parts,
White carbon black ... ... ... ... ... ... ... 20 parts,
Calcium carbonate ... ... ... ... ... ... ... 20 parts,
Acid regulator---vinylformic acid ... ... ... ... ... 4 ~ 5 parts.
It prepares the method for B component raw material, comprises the steps:
Steps A: 10 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min, stirring velocity 1500r/min;
Step B: add 20 parts of kaolin, 20 parts of white carbon blacks, 20 parts of calcium carbonate successively by recipe requirements;
Step C: and add 4 to 5 parts of acrylic acid conditioning agents by recipe requirements at the most gradually by few, by the regulation and control of the pH value of solution to about PH5;
Step D: stir 60min with high speed dispersor, stirring velocity is 1000r/min;
Through adopting the test of PH test paper, above-mentioned B component raw material is in acid, and its pH value is PH5.
The above-mentioned using method that can prevent the spray film water-proofing material splashed prepared, comprises the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, add two and enter a feed liquor chamber in a spray gun out, and in this chamber, add the reductive agent that parts by weight is 1% of component A raw material---persulfuric acid ferrous ammonium, stirs 3min even to it;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, add two and enter another feed liquor chamber in a spray gun out, and in this chamber, add the oxygenant that parts by weight is 1% of B component raw material---Sodium Persulfate, stirs 3min even to it;
Step C: by the component A raw material adding reductive agent and the B component raw material adding oxygenant through two enter a nozzle outing spray gun mixed outward after, be sprayed on respectively on project subject surface or geomembrane simultaneously.
After sprayed construction is carried out to the spray film water-proofing material in the present embodiment, check its spray film effect: 1. compared with prior art, the resilience decreasing 99% is splashed, substantially occur without resilience splash phenomena, achieve the resilience preventing spray film water-proofing material when sprayed construction to splash, 2. system viscosity increases, and there occurs slight blocking, need the nozzle of cleaning spray gun at the nozzle of construction spray gun after 2 hours; 3. material property conformance with standard requirement.
Embodiment 4
In the present embodiment, described " spray film water-proofing material splashed can be prevented ", the component A material of its raw material is identical with embodiment 2 with the proportioning of B component material, and its preparation method is also identical with embodiment 2, but its using method is different, and the concrete steps of its using method are as follows:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, add two and enter a feed liquor chamber in a spray gun out, and in this chamber, add the reductive agent that parts by weight is 0.5% of component A raw material---persulfuric acid ferrous ammonium, stirs 3min even to it;
Step B: before spraying application, by the above-mentioned B component raw material of spray film water-proofing material that can prevent splashing, adds two and enters another feed liquor chamber in a spray gun out;
Step C: by add the component A raw material of reductive agent and B component raw material through two enter a nozzle outing spray gun mixed outward after, be sprayed on respectively on project subject surface or geomembrane simultaneously.
After sprayed construction is carried out to the spray film water-proofing material in the present embodiment, check its spray film effect: 1. compared with prior art, the resilience decreasing 82% is splashed, and its resilience splash phenomena obtains effective improvement, but waterproof membrane sprays the time lengthening of solidification 4min; 2. system viscosity is without considerable change; 3. material property conformance with standard requirement.
Embodiment 5
In the present embodiment, described " spray film water-proofing material splashed can be prevented ", the component A material of its raw material is identical with embodiment 2 with the proportioning of B component material, and its preparation method is also identical with embodiment 2, but its using method is different, and the concrete steps of its using method are as follows:
Steps A: before spraying application, by the above-mentioned component A raw material of spray film water-proofing material that can prevent splashing, adds two and enters a feed liquor chamber in a spray gun out;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, add two and enter another feed liquor chamber in a spray gun out, and in this chamber, add the oxygenant that parts by weight is 0.5% of B component raw material---Sodium Persulfate, stirs 3min even to it; ;
Step C: by component A raw material and the B component raw material adding oxygenant through two enter a nozzle outing spray gun mixed outward after, be sprayed on respectively on project subject surface or geomembrane simultaneously.
After sprayed construction is carried out to the spray film water-proofing material in the present embodiment, check its spray film effect: 1. compared with prior art, the resilience decreasing 81% is splashed, and its resilience splash phenomena obtains effective improvement, but waterproof membrane sprays the time lengthening of solidification 3min; 2. system viscosity is without considerable change; 3. material property conformance with standard requirement.
In sum: embodiment 2 is best preferred version.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. can prevent the spray film water-proofing material splashed, its raw material is divided into component A and B component, it is characterized in that: described component A raw material comprises by weight:
Described B component raw material comprises by weight:
2. a kind of spray film water-proofing material that can prevent splashing according to claim 1, is characterized in that: described component A raw material is in alkalescence, and its pH value is PH7.5 to 9; Described B component raw material is in acid, and its pH value is PH5 to 6.5.
3. a kind of spray film water-proofing material that can prevent splashing according to claim 1, is characterized in that: described alkaline conditioner is sodium hydroxide.
4. a kind of spray film water-proofing material that can prevent splashing according to claim 1, is characterized in that: described acid regulator is vinylformic acid.
5. the preparation method that can prevent the spray film water-proofing material splashed according to any one of Claims 1-4, it is characterized in that, it prepares the method for component A raw material, comprises the steps:
Steps A: 2 ~ 10 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min;
Step B: add kaolin, white carbon black, calcium carbonate successively by recipe requirements;
Step C: add alkaline conditioner gradually at the most by few by recipe requirements, by the regulation and control of the pH value of solution to PH7.5 to 9;
Step D: with high speed dispersor uniform stirring 30-60min;
It prepares the method for B component raw material, comprises the steps:
Steps A: 2 ~ 10 parts of polyvinyl alcohol solutions are joined in 100 parts of Magnesium Acrylate Prepared monomer solutions, uniform stirring 30min;
Step B: add kaolin, white carbon black, calcium carbonate successively by recipe requirements;
Step C: add acid regulator gradually at the most by few by recipe requirements, by the regulation and control of the pH value of solution to PH5 to 6.5;
Step D: with high speed dispersor uniform stirring 30-60min.
6. preparation method according to claim 5, is characterized in that: in the steps A of above-mentioned preparation component A raw material and preparation B component raw material and step C, its stirring velocity is 1000 ~ 1500r/min.
7. the using method that can prevent the spray film water-proofing material splashed according to any one of Claims 1-4, is characterized in that, comprise the steps:
Steps A: before spraying application, by the above-mentioned component A raw material that can prevent the spray film water-proofing material splashed, adds a chamber of spraying equipment, and add reductive agent in this chamber, stir;
Step B: before spraying application, by the above-mentioned B component raw material that can prevent the spray film water-proofing material splashed, adds another chamber of spraying equipment, and add oxygenant in this chamber, stir;
Step C: by the component A raw material adding reductive agent and the B component raw material adding oxygenant after the nozzle of spraying equipment is mixed outward, be simultaneously sprayed on respectively on project subject surface or geomembrane.
8. using method according to claim 7, is characterized in that: described reductive agent is persulfuric acid ferrous ammonium, and its consumption is 0.1% ~ 1% by the parts by weight of component A raw material.
9. using method according to claim 7, is characterized in that: described oxygenant is Sodium Persulfate, and its consumption is 0.1% ~ 1% by the parts by weight of B component raw material.
10. using method according to claim 7, is characterized in that: described steps A to the spraying equipment in step C is one two and enters a spray gun out.
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| CN110358341A (en) * | 2019-06-24 | 2019-10-22 | 中国路桥工程有限责任公司 | Spray film water-proofing material and preparation method thereof |
| CN110358341B (en) * | 2019-06-24 | 2021-08-10 | 中国路桥工程有限责任公司 | Spray film waterproof material and preparation method thereof |
| CN115216172A (en) * | 2022-09-02 | 2022-10-21 | 潍坊市金岭防水材料有限公司 | Underground engineering corrosion-resistant acrylate spray film material and preparation method thereof |
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| CN104945967B (en) | 2017-06-06 |
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