CN111500225A - Liquid two-component interface treating agent - Google Patents
Liquid two-component interface treating agent Download PDFInfo
- Publication number
- CN111500225A CN111500225A CN202010389615.3A CN202010389615A CN111500225A CN 111500225 A CN111500225 A CN 111500225A CN 202010389615 A CN202010389615 A CN 202010389615A CN 111500225 A CN111500225 A CN 111500225A
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- parts
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- component
- silane coupling
- emulsion
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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
- C09J133/04—Homopolymers or copolymers of esters
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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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
A liquid two-component interface treating agent. The component A comprises: the adhesive comprises 70-80 parts of elastic acrylic emulsion, 10-20 parts of carboxylated modified vinyl acetate-ethylene copolymer emulsion, 10-20 parts of high-performance pure acrylic emulsion, 2-5 parts of silica sol, 2-5 parts of active volcanic ash, 0.2-0.8 part of substrate wetting agent, 0.1-0.2 part of dispersing agent, 0.1-0.5 part of thickening agent and 0.2-0.4 part of defoaming agent. The component B is a mixture of a non-aqueous alcohol ether solvent and a silane coupling agent, and the weight content ratio of the non-aqueous alcohol ether solvent to the silane coupling agent is 1:1 +/-10%; in the invention, A, B components are prepared and mixed according to the weight content ratio of 100:1 +/-10%.
Description
Technical Field
The invention relates to an adhesion technology, in particular to a tile sticking technology.
Background
The most complaints in the modern decoration industry are the problem of ceramic tile falling off, and ceramic tile gum series products are provided on the market aiming at the phenomenon, and mainly comprise the following types:
the single-component emulsion type ceramic tile back glue is generally a pressure-sensitive adhesive, the back glue is coated on the back of a ceramic tile and is good in hand-sticking state after being dried, but the emulsion is water-proof and heat-proof, and the ceramic tile paved with the back glue has the risk of falling off as long as the external conditions change.
The adhesive force of most of manufacturers of the paste-shaped ceramic tile back adhesive can meet the requirement, but the application amount is large, the brushing performance is poor, the construction process of brushing and pasting which is a common requirement is different from the traditional construction process, and some workers are not used to the adhesive force.
The polymer modified cement-based two-component back adhesive needs to be stirred on site, intermittent stirring needs to be kept in the using process, the opened slurry is generally required to be used within 2 hours, and workers feel complex and unwilling to use the slurry.
Disclosure of Invention
The invention aims to provide a liquid two-component interface treating agent which is convenient to use, can obviously enhance the binding power and can effectively improve the water resistance and the heat resistance.
The invention is realized by that the component A comprises the following components in parts by weight: the adhesive comprises 70-80 parts of elastic acrylic emulsion, 10-20 parts of carboxylated modified vinyl acetate-ethylene copolymer emulsion, 10-20 parts of high-performance pure acrylic emulsion, 2-5 parts of silica sol, 2-5 parts of active volcanic ash, 0.2-0.8 part of substrate wetting agent, 0.1-0.2 part of dispersing agent, 0.1-0.5 part of thickening agent and 0.2-0.4 part of defoaming agent.
The elastic acrylic emulsion has good flexibility, small average particle size of emulsion particles, good balance relation between creep resistance and heat sealability, good wet adhesion and fast curing speed. The invention used a badefu model 351 emulsion.
The carboxylated modified vinyl acetate-ethylene copolymer emulsion has a glass transition temperature of-20 ℃, has excellent wettability, has excellent adhesive force on the surfaces of various substrates difficult to adhere, and can form crosslinking through the introduction of carboxyl functional groups, so that the emulsion has more excellent flexibility and adhesive force. Used in the present invention is Wacker VINANAPASR920。
The high-performance pure acrylic emulsion has excellent adhesive force, has excellent adhesive force with various base materials such as masonry, cement mortar, glass and the like, has suitable hardness different from elastic acrylic emulsion, and meets the strength requirement (compared with acrylic emulsion, the Tg value is high, and the adhesive force is strong).
The silica sol is a dispersion of nano-scale silica particles in water, the particles are very fine and can penetrate into the back of the tile and are finally locked in gaps, and in addition, the nano-silica can react with calcium hydroxide hydrated in cement in the tile glue to generate a CSH network structure, so that a good bidirectional adhesive force can be exerted in the whole tile sticking system, and L evasilCB30 of Nouyon company is used in the invention.
The active volcanic ash is imported natural volcanic ash with the granularity of more than 2000 meshes, and can enhance the bonding strength and the water resistance of the tile adhesive. The product is imported volcanic ash from Yirui stone company.
The substrate wetting agent has excellent surface leveling property and substrate wetting property, and can improve interlayer adhesion.
The dispersant is a common ammonium salt dispersant, and has good water resistance and excellent dispersing performance.
The thickening agent is a common alkali swelling type or association type thickening agent.
The defoaming agent is a liquid defoaming agent.
The component B is a mixture of a non-aqueous alcohol ether solvent and a silane coupling agent, and the weight content ratio of the two is 1:1 +/-10%. For example, a mixture of dipropylene glycol monobutyl ether and an a187 silane coupling agent is used. The dipropylene glycol monobutyl ether can be used as a film forming aid of the emulsion to increase the drying speed. The silane coupling agent plays a main reinforcing role in the invention. The silane coupling agent is organosilane with an epoxy group and hydrolyzable inorganic methoxyl silicon group bifunctional group.
As shown in figures 1 and 2 of the drawings,
the bifunctional structure endows the material with special properties: it can organically bond inorganic materials (such as glass, metal and ceramic tile) and organic polymers (such as thermoplastic body, thermosetting body or elastic body) together, thereby playing the role of promoting adhesion and cross-linking agent. However, most silane coupling agents are easy to self-polymerize in an aqueous system and have short storage period, and the silane coupling agents are packaged separately and mixed uniformly when used. When in use, the A, B components are prepared and mixed according to the weight content ratio of 100:1 +/-10%. After the two components are mixed, the cross-linking reaction of the active epoxy group at one end of the component B and the carboxyl group of the emulsion, the reaction of the hydrolyzed silanol at the other end and the hydroxyl group on the tile surface and the like can improve the performances of water resistance, heat resistance, weather resistance, cold resistance and the like.
Compared with the prior art, the invention has the advantages of convenient use, obviously enhanced binding power and effectively improved water resistance and heat resistance.
Drawings
FIG. 1 is a schematic view of the structure of alkoxysilane
FIG. 2 is a schematic diagram of the structure of silane coupling an organic substrate to an inorganic substrate.
Detailed Description
The present invention will now be described in further detail with reference to examples:
the invention consists of a component A and a component B, wherein
The component A comprises: elastic acrylic emulsion, carboxylated modified vinyl acetate-ethylene copolymer emulsion, high-performance pure acrylic emulsion, silica sol, active volcanic ash, a substrate wetting agent, a dispersing agent, a thickening agent and a defoaming agent;
the component B is a mixture of a non-aqueous alcohol ether solvent and a silane coupling agent;
when in use, the A, B components are mixed according to the weight content ratio of 100: 1.
The following are examples of various component ratios and their use effects (unit is parts by weight):
example one embodiment two embodiment three embodiment four
Component A
Elastic acrylic emulsion 70758075
Carboxylated modified ethyl acetate 15201010
Ethylene-ethylene copolymer emulsions
High-performance pure acrylic emulsion 20101520
Silica sol 2353
Active pozzolan 3522
Substrate wetting agent 0.80.20.50.8
Dispersant 0.10.20.10.2
Dispersant 0.10.20.10.2
Thickener 0.10.30.50.3
Defoaming agent 0.30.20.40.4
B component
Water-free alcohol ether solvent 1111
Silane coupling agent 1111
When in use, the A, B components are prepared and mixed according to the weight content ratio of 100:1 +/-10%.
Compared with the existing emulsion type back adhesive, the adhesive strength of the existing emulsion type single-component back adhesive is as follows: 0.2-03MPa, the technology of the invention is as follows: 0.6-1.5MPa, and the water resistance, heat resistance, aging resistance and frost resistance of the technology of the invention are obviously better than those of the existing emulsion type single-component back adhesive.
Claims (1)
1. A liquid two-component interface treating agent is characterized in that the component A comprises the following components in parts by weight: the adhesive comprises 70-80 parts of elastic acrylic emulsion, 10-20 parts of carboxylated modified vinyl acetate-ethylene copolymer emulsion, 10-20 parts of high-performance pure acrylic emulsion, 2-5 parts of silica sol, 2-5 parts of active volcanic ash, 0.2-0.8 part of substrate wetting agent, 0.1-0.2 part of dispersing agent, 0.1-0.5 part of thickening agent and 0.2-0.4 part of defoaming agent; the component B is a mixture of a non-aqueous alcohol ether solvent and a silane coupling agent, and the weight content ratio of the non-aqueous alcohol ether solvent to the silane coupling agent is 1:1 +/-10%; in the invention, the component A and the component B are prepared and mixed according to the weight content ratio of 100:1 +/-10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389615.3A CN111500225A (en) | 2020-05-10 | 2020-05-10 | Liquid two-component interface treating agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389615.3A CN111500225A (en) | 2020-05-10 | 2020-05-10 | Liquid two-component interface treating agent |
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| Publication Number | Publication Date |
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| CN111500225A true CN111500225A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010389615.3A Pending CN111500225A (en) | 2020-05-10 | 2020-05-10 | Liquid two-component interface treating agent |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525525A (en) * | 2008-03-04 | 2009-09-09 | 金朝绪 | Acrylic ester waterproof gasket cement |
| CN105906300A (en) * | 2016-05-05 | 2016-08-31 | 福建瓦克施尔固建材有限公司 | Multipurpose glue |
| CN107083215A (en) * | 2017-04-25 | 2017-08-22 | 广东银洋环保新材料有限公司 | A kind of ceramic tile gum produced by pure acrylate elastic emulsion and styrene-acrylic emulsion and technique |
| CN107245312A (en) * | 2017-06-26 | 2017-10-13 | 江苏国胶化学科技有限公司 | A kind of enhanced stone material gum |
| CN107285664A (en) * | 2017-07-12 | 2017-10-24 | 浙江省通用砂浆研究院 | A kind of preparation method without cement high strong water resistant type ceramic tile adhesive |
| CN109370483A (en) * | 2018-10-24 | 2019-02-22 | 杭州古邦建材科技有限公司 | A kind of strength is water-fast ceramic tile gum and preparation and construction method |
-
2020
- 2020-05-10 CN CN202010389615.3A patent/CN111500225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525525A (en) * | 2008-03-04 | 2009-09-09 | 金朝绪 | Acrylic ester waterproof gasket cement |
| CN105906300A (en) * | 2016-05-05 | 2016-08-31 | 福建瓦克施尔固建材有限公司 | Multipurpose glue |
| CN107083215A (en) * | 2017-04-25 | 2017-08-22 | 广东银洋环保新材料有限公司 | A kind of ceramic tile gum produced by pure acrylate elastic emulsion and styrene-acrylic emulsion and technique |
| CN107245312A (en) * | 2017-06-26 | 2017-10-13 | 江苏国胶化学科技有限公司 | A kind of enhanced stone material gum |
| CN107285664A (en) * | 2017-07-12 | 2017-10-24 | 浙江省通用砂浆研究院 | A kind of preparation method without cement high strong water resistant type ceramic tile adhesive |
| CN109370483A (en) * | 2018-10-24 | 2019-02-22 | 杭州古邦建材科技有限公司 | A kind of strength is water-fast ceramic tile gum and preparation and construction method |
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Application publication date: 20200807 |