CN107760233B - Flexible adhesive for polyethylene polypropylene fiber waterproof coiled material and preparation method thereof - Google Patents
Flexible adhesive for polyethylene polypropylene fiber waterproof coiled material and preparation method thereof Download PDFInfo
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- CN107760233B CN107760233B CN201710985122.4A CN201710985122A CN107760233B CN 107760233 B CN107760233 B CN 107760233B CN 201710985122 A CN201710985122 A CN 201710985122A CN 107760233 B CN107760233 B CN 107760233B
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a flexible adhesive for a polyethylene polypropylene fiber waterproof coiled material and a preparation method thereof, wherein the flexible adhesive comprises powder and liquid, wherein the powder comprises the following raw materials in parts by weight, 25-45 parts of cement, 5-25 parts of heavy calcium carbonate, 25-45 parts of quartz powder, 2-10 parts of a water-retaining agent and a thickening agent: 4-12 parts; the liquid material comprises the following raw materials, by weight, 70-100 parts of acrylic emulsion, 5-25 parts of water and 0.5-5 parts of a defoaming agent; the flexible adhesive for the polyethylene polypropylene waterproof coiled material provided by the invention overcomes the defects that the traditional adhesive for the polyethylene polypropylene waterproof coiled material belongs to a rigid material and is easy to crack when being used for bonding lap seams of polyethylene polypropylene, and the waterproof effect of the polyethylene polypropylene waterproof coiled material is influenced.
Description
Technical Field
The invention belongs to the technical field of waterproof building materials, and particularly relates to a flexible adhesive for a polyethylene polypropylene waterproof coiled material and a preparation method thereof.
Background
The polyethylene polypropylene waterproof coiled material develops rapidly after being developed successfully in 1989, the adhesives used for the polyethylene polypropylene waterproof coiled material at present are all cement-based adhesives which belong to rigid materials, and the lap joint edges are bonded by the adhesives, so that when the base layer deforms, the rigid lap joint edge adhesives are easy to crack, the lap joint edge of the polyethylene polypropylene waterproof coiled material is easy to leak, and the whole waterproof engineering fails.
Disclosure of Invention
In view of the above, the invention aims to provide a flexible adhesive for a polyethylene polypropylene waterproof coiled material and a preparation method thereof, so as to overcome the phenomenon that the adhesive for the common polyethylene polypropylene waterproof coiled material is easy to crack, prolong the service life of the adhesive for the polyethylene polypropylene waterproof coiled material and greatly improve the safety of slope roof waterproofing. .
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material is characterized in that: comprises a powder material and a liquid material,
the powder comprises the following raw materials, by weight, 25-45 parts of cement, 5-25 parts of heavy calcium carbonate, 25-45 parts of quartz powder, 2-10 parts of a water-retaining agent and a thickening agent: 4-12 parts;
the liquid material comprises the following raw materials, by weight, 70-100 parts of acrylic emulsion, 5-25 parts of water and 0.5-5 parts of a defoaming agent;
and mixing the liquid material and the powder material according to the weight ratio of 1 (1-6).
Preferably, the material comprises powder and liquid materials,
the powder comprises the following raw materials, by weight, 30-40 parts of cement, 10-20 parts of heavy calcium carbonate, 30-40 parts of quartz powder, 4-8 parts of a water-retaining agent and a thickening agent: 6-10 parts;
the liquid material comprises the following raw materials, by weight, 80-95 parts of acrylic emulsion, 10-20 parts of water and 1-3 parts of a defoaming agent;
mixing the liquid material and the powder material according to the weight ratio of 1 (2-4); preferably, the weight ratio is 1: 3.
Preferably, the acrylic emulsion comprises 50-50 parts of 400 parts of emulsion and 30-35 parts of 707 emulsion.
Preferably, the cement is 42.5# ordinary portland cement; the coarse whiting is 800 meshes, and the mesh number of the quartz powder is 600 meshes.
Preferably, the water retention agent is polyacrylamide-acrylate copolymer cross-linked powder, and the thickening agent is methylcellulose powder.
Preferably, the defoaming agent is polydimethylsiloxane.
The 42.5# cement is preferably ordinary portland cement P.0, and is beneficial to improving the strength of the polyethylene polypropylene flexible bonding rubber compound, and the indexes are as follows:
the heavy calcium is preferably ground calcium carbonate which is prepared by grinding natural carbonate mineral limestone, is beneficial to reducing the cost of the flexible adhesive of the polyethylene polypropylene fiber waterproof coiled material, and has the following indexes:
the quartz powder is preferably silicon dioxide powder, and the mesh number of the quartz powder is as follows: 600 meshes, which is beneficial to the dispersion of powder in the flexible adhesive of the polyethylene polypropylene waterproof coiled material in liquid materials, and the indexes are as follows:
the water-retaining agent is preferably a polyacrylamide-acrylate copolymer cross-linked polymer which is a functional polymer material with particularly strong water absorption capacity and has the following indexes:
| item | Technical index |
| Appearance of the product | Milk white powder |
| Viscosity of the solution | ＜100MPa.s |
| pH value | 8～10 |
The thickening agent is preferably methyl cellulose powder with the fineness of 200 meshes, the methyl cellulose with 200 meshes is selected to be mainly beneficial to the dispersion of cellulose in liquid materials and mainly improve the bonding performance of the adhesive, and the indexes are as follows:
| item | Technical index |
| Appearance of the product | Off-white fibrous to powdery rice |
| Gel temperature (2% aqueous solution) | 50-55℃ |
| Methoxy group content | 26％～33％ |
| Water insoluble substance | ≤2.0％ |
| Viscosity (20 ℃, 2% aqueous solution) | 15-4000mpa.s |
The 400 emulsion and 707 emulsion are preferably acrylic emulsion, the 400 emulsion and the 707 emulsion are used in a matching way, the elongation property of the adhesive is mainly improved, and the indexes are as follows:
the defoaming agent is preferably polydimethylsiloxane, mainly eliminates bubbles generated when emulsion reacts with powder, ensures the strength of the flexible adhesive of the polyethylene polypropylene waterproof coiled material, and has the following technical indexes:
| item | Technical index |
| Appearance of the product | Milky white liquid |
| Non-volatile matter | 35-40％ |
| pH value | 6-8 |
The invention also provides a method for preparing the flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material, which comprises the following preparation steps of respectively metering cement, heavy calcium carbonate, quartz powder, a water-retaining agent and a thickening agent, adding the metered materials into a stirring tank for mixing and stirring, and discharging the materials for later use after full mixing to obtain powder materials;
respectively metering acrylic emulsion, water and defoamer, adding the acrylic emulsion, the water and the defoamer into a stirring tank with blades, stirring for 20-30min, adding the defoamer, and continuing stirring; fully stirring to obtain liquid material.
Preferably, the cement, the coarse whiting, the quartz powder, the water-retaining agent and the thickening agent are respectively metered and then added into a stirring tank for mixing and stirring for 40-60 min; and respectively metering the acrylic emulsion, water and the defoaming agent, and then adding the acrylic emulsion, the water and the defoaming agent into a stirring tank with blades to stir for 30-40 min.
The invention also provides the application of the flexible adhesive of the polyethylene polypropylene waterproof coiled material in waterproof buildings.
Compared with the prior art, the flexible adhesive for the polyethylene polypropylene waterproof coiled material and the preparation method have the following advantages:
the flexible adhesive of the polyethylene polypropylene fiber waterproof coiled material provided by the invention has good adhesive property and better extensibility, has better adhesive property, better adaptability to base layer deformation capability and better ductility compared with the existing cement-based adhesive of the polyethylene polypropylene fiber waterproof coiled material, and is particularly suitable for roof and underground waterproof engineering with larger base layer change. Meanwhile, the raw materials are easy to obtain, the preparation process is simple and convenient, the construction is convenient, and the method is safe and reliable, so that the product has low comprehensive cost and is suitable for large-scale industrial production and wide application.
The comprehensive differences of the flexible adhesive of the polyethylene polypropylene waterproof coiled material and the common cement-based adhesive in performance are shown in the following table 1.
TABLE 1
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The test reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the experimental methods are conventional methods unless otherwise specified.
The present invention will be described in detail with reference to examples.
Example 1
Respectively metering 30 parts of cement, 15 parts of triple superphosphate, 40 parts of quartz powder, 6 parts of water-retaining agent and 9 parts of thickening agent, adding the metered materials into a stirring tank for mixing and stirring, fully mixing for 40-60 min, discharging for later use, respectively metering 50 parts of 400 emulsion, 35 parts of 707 emulsion, 13 parts of water and 2 parts of defoaming agent, adding the metered materials into the stirring tank with blades for stirring for 30-40min, and adding the defoaming agent after stirring for 20-30 min. Fully stirring to obtain liquid material. And uniformly stirring the liquid material and the powder material according to the proportion of 1:3 in a construction site to obtain the flexible adhesive of the polyethylene polypropylene fiber waterproof coiled material.
Example 2
Respectively metering 35 parts of cement, 10 parts of triple superphosphate, 38 parts of quartz powder, 7 parts of water-retaining agent and 10 parts of thickening agent, adding the metered materials into a stirring tank for mixing and stirring, fully mixing for 40-60 min, discharging for later use, respectively metering 55 parts of 400 emulsion, 30 parts of 707 emulsion, 14 parts of water and 1 part of defoaming agent, adding the metered materials into the stirring tank with blades for stirring for 30-40min, and adding the defoaming agent after stirring for 20-30 min. Fully stirring to obtain liquid material. And uniformly stirring the liquid material and the powder material according to the proportion of 1:3 in a construction site to obtain the flexible adhesive of the polyethylene polypropylene fiber waterproof coiled material.
Example 3
Respectively metering 40 parts of cement, 20 parts of coarse whiting, 30 parts of quartz powder, 4 parts of water-retaining agent and 6 parts of thickening agent, adding the metered materials into a stirring tank, mixing and stirring, fully mixing for 40-60 min, discharging for later use, respectively metering 55 parts of 400 emulsion, 30 parts of 707 emulsion, 14 parts of water and 1 part of defoaming agent, adding the 400 emulsion, 707 emulsion and 14 parts of water into the stirring tank with blades, stirring for 30-40min, and adding the defoaming agent after stirring for 20-30 min. Fully stirring to obtain liquid material. And uniformly stirring the liquid material and the powder material according to the proportion of 1:3 in a construction site to obtain the flexible adhesive of the polyethylene polypropylene fiber waterproof coiled material.
Comparative example 1
By adopting the preparation method of the example 1, other components of the flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material are not changed, and the 42.5# cement in the formula is changed into the 32.5# cement, so that the flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material is obtained.
Comparative example 2
The preparation method of the example 1 is adopted, other components are not changed, 707 emulsion in the formula of the flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material is completely changed into 400 emulsion, and the flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material is obtained.
The results of the performance test of the products obtained in the above examples and comparative examples are shown in the following table.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The flexible adhesive for the polyethylene polypropylene fiber waterproof coiled material is characterized in that: comprises a powder material and a liquid material,
the powder comprises the following raw materials, by weight, 25-45 parts of cement, 5-25 parts of heavy calcium carbonate, 25-45 parts of quartz powder, 2-10 parts of a water-retaining agent and a thickening agent: 4-12 parts;
the liquid material comprises the following raw materials, by weight, 70-100 parts of emulsion, 5-25 parts of water and 0.5-5 parts of defoaming agent;
mixing the liquid material and the powder material according to the weight ratio of 1 (1-6);
the emulsion comprises 50-55 parts of 400 emulsion and 30-35 parts of 707 emulsion; wherein the 400 emulsion is an acrylic emulsion; 707 the emulsion is a VAE vinyl acetate emulsion; the water-retaining agent is polyacrylamide-acrylate copolymerization cross-linked powder, and the thickening agent is methylcellulose powder; the defoaming agent is polydimethylsiloxane; the cement is 42.5# ordinary portland cement.
2. The flexible adhesive for polyethylene polypropylene waterproof rolls as claimed in claim 1, wherein: comprises a powder material and a liquid material,
the powder comprises the following raw materials, by weight, 30-40 parts of cement, 10-20 parts of heavy calcium carbonate, 30-40 parts of quartz powder, 4-8 parts of a water-retaining agent and a thickening agent: 6-10 parts;
the liquid material comprises the following raw materials, by weight, 80-95 parts of emulsion, 10-20 parts of water and 1-3 parts of defoaming agent;
and mixing the liquid material and the powder material according to the weight ratio of 1 (2-4).
3. The flexible adhesive of polyethylene polypropylene waterproof roll according to claim 2, characterized in that: the weight ratio of the liquid material to the powder material is 1: 3.
4. The flexible adhesive for polyethylene polypropylene waterproofing membrane according to claim 1 or 2, characterized in that: the coarse whiting is 800 meshes, and the mesh number of the quartz powder is 600 meshes.
5. A method for preparing the flexible adhesive of the polyethylene polypropylene waterproof coiled material as claimed in any one of claims 1 to 4, wherein the flexible adhesive comprises the following components: the preparation method comprises the following preparation steps of respectively metering cement, coarse whiting, quartz powder, a water-retaining agent and a thickening agent, adding the metered materials into a stirring tank for mixing and stirring, and discharging the materials for later use after full mixing to obtain powder materials;
respectively metering the emulsion, water and the defoaming agent, adding the metered emulsion, water and defoaming agent into a stirring tank with blades, stirring for 20-30min, adding the defoaming agent, and continuing stirring; fully stirring to obtain liquid material.
6. The method of claim 5, wherein: respectively metering cement, coarse whiting, quartz powder, a water-retaining agent and a thickening agent, adding into a stirring tank, and mixing and stirring for 40-60 min; and respectively metering the emulsion, water and the defoaming agent, and then adding the emulsion, the water and the defoaming agent into a stirring tank with blades to stir for 30-40 min.
7. The flexible adhesive of the polyethylene polypropylene waterproof coiled material according to any one of claims 1 to 4 is applied to waterproof buildings.
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|---|---|---|---|
| CN201710985122.4A CN107760233B (en) | 2017-10-20 | 2017-10-20 | Flexible adhesive for polyethylene polypropylene fiber waterproof coiled material and preparation method thereof |
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|---|---|---|---|
| CN201710985122.4A CN107760233B (en) | 2017-10-20 | 2017-10-20 | Flexible adhesive for polyethylene polypropylene fiber waterproof coiled material and preparation method thereof |
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| CN107760233A CN107760233A (en) | 2018-03-06 |
| CN107760233B true CN107760233B (en) | 2020-02-14 |
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| CN111377666A (en) * | 2020-04-03 | 2020-07-07 | 苏州市德威防水科技有限公司 | Waterproofing membrane with prevention of seepage passes through waterproof coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935507A (en) * | 2009-07-02 | 2011-01-05 | 余春冠 | Water-proof back adhesive for stone |
| CN106010375A (en) * | 2016-06-24 | 2016-10-12 | 佛山市保路威环保材料有限公司 | Water-based adhesive for antiskid pavement and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935507A (en) * | 2009-07-02 | 2011-01-05 | 余春冠 | Water-proof back adhesive for stone |
| CN106010375A (en) * | 2016-06-24 | 2016-10-12 | 佛山市保路威环保材料有限公司 | Water-based adhesive for antiskid pavement and preparation method thereof |
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Application publication date: 20180306 Assignee: Tangshan Desheng chuangchen Construction Co.,Ltd. Assignor: TIANJIN YUHONG BUILDING WATERPROOF MATERIALS Co.,Ltd. Contract record no.: X2021980001844 Denomination of invention: A flexible adhesive for polyethylene polypropylene fiber waterproof membrane and its preparation method Granted publication date: 20200214 License type: Common License Record date: 20210319 |