CN113683928A - High-strength primer for building exterior wall - Google Patents

High-strength primer for building exterior wall Download PDF

Info

Publication number
CN113683928A
CN113683928A CN202110976761.0A CN202110976761A CN113683928A CN 113683928 A CN113683928 A CN 113683928A CN 202110976761 A CN202110976761 A CN 202110976761A CN 113683928 A CN113683928 A CN 113683928A
Authority
CN
China
Prior art keywords
primer
parts
building exterior
strength
agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110976761.0A
Other languages
Chinese (zh)
Inventor
周伟建
戴海雄
符传杰
宋献军
谢寅峰
黄理荣
利晓定
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Maydos Building Materials Co Ltd
Original Assignee
Guangdong Maydos Building Materials Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Maydos Building Materials Co Ltd filed Critical Guangdong Maydos Building Materials Co Ltd
Priority to CN202110976761.0A priority Critical patent/CN113683928A/en
Publication of CN113683928A publication Critical patent/CN113683928A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C09D133/00—Coating compositions 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; Coating compositions based on derivatives of such polymers
    • 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
    • C09D5/002—Priming paints
    • 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
    • C09D5/08—Anti-corrosive paints
    • 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
    • C09D7/65—Additives macromolecular
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention provides a high-strength primer for building exterior walls, which comprises the following raw materials in parts by weight: 35-50 parts of high-strength permeable acrylic emulsion, 0.3-0.5 part of hydroxyethyl cellulose, 2-3 parts of film-forming assistant, 3-8 parts of assistant and 20-30 parts of deionized water. In order to prolong the service life of the building outer wall and enhance the beauty of the building outer wall, paint, such as organic paint, is often required to be painted on the surface of the building outer wall. However, part of the organic paint is easy to peel off after long-term use due to low adhesion with concrete. According to the invention, the high-strength permeable acrylic emulsion and the hydroxyethyl cellulose are adopted, so that the building exterior wall surface can be effectively bonded, the bonding capacity with the finish paint is improved, and the adhesion of the finish paint on the building surface is further improved.

Description

High-strength primer for building exterior wall
Technical Field
The invention relates to the field of coatings, in particular to a high-strength primer for an exterior wall of a building.
Background
The building is built by adopting concrete, the color of the concrete main body is gray, the building is not attractive enough, and if the concrete is in direct contact with the outside, the concrete is easy to damage due to the problems of rainwater soaking, wind blowing and the like, so that the service life of the building outer wall structure is seriously influenced. In order to prolong the service life of the building outer wall and enhance the beauty of the building outer wall, paint, such as organic paint, is often required to be painted on the surface of the building outer wall. However, part of the organic paint is easy to peel off after long-term use due to low adhesion with concrete.
Disclosure of Invention
The invention provides a high-strength primer for building exterior walls, which can be used as a primer to improve the adhesion of a finish on the building surface.
The invention provides a high-strength primer for building exterior walls, which comprises the following raw materials in parts by weight: 35-50 parts of high-strength permeable acrylic emulsion, 0.3-0.5 part of hydroxyethyl cellulose, 2-3 parts of film-forming assistant, 3-8 parts of assistant and 20-30 parts of deionized water.
Further, the auxiliary agent is at least one of a wetting dispersant, a thickening agent, a flatting agent, a defoaming agent, an antifreezing agent and a bactericide.
Further, the pH value of the primer is 8.0-9.5.
Furthermore, the auxiliary agent comprises 0.2-0.3 part of wetting dispersant, 0.3-0.8 part of thickening agent, 0.2-0.3 part of flatting agent, 0.2-0.4 part of defoaming agent, 2-6 parts of antifreezing agent and 0.1-0.2 part of bactericide.
Further, the high-strength permeable acrylic emulsion is a dow 2133 emulsion.
Still further, the coalescent is a decaglycol ester, 1, 2-propanediol, or a combination of both; the leveling agent is a polyether modified leveling agent.
Further, the dispersant is one or more of 731A, 963, and 1124 available from Rohm and Haas.
Further, the preparation method comprises the following steps:
s1, mixing and stirring the high-strength permeable acrylic emulsion, hydroxyethyl cellulose, deionized water and an auxiliary agent uniformly;
s2, after the pH value of the S1 system is adjusted to 8.0-9.5, the film forming auxiliary agent is added under stirring;
s3, filtering the S2 system by using a 80-100 mesh screen to obtain a finished product.
Furthermore, the primer also comprises 5-10 parts of epoxy resin.
Still further, the primer also comprises 0.1-0.5 part of photoinitiator.
Compared with the prior art, the invention can effectively bond the surface of the building outer wall by adopting the high-strength permeable acrylic emulsion and the hydroxyethyl cellulose, improve the binding capacity with the finish paint and further improve the adhesive force of the finish paint on the building surface.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
The high-strength primer for the building exterior wall comprises the following raw materials in parts by weight: 35 parts of high-strength permeable acrylic emulsion, 0.5 part of hydroxyethyl cellulose, 3 parts of a film-forming assistant, 3 parts of an assistant and 20 parts of deionized water.
Wherein the auxiliary agent comprises 0.2 part of wetting dispersant, 0.8 part of thickening agent, 0.2 part of flatting agent, 0.2 part of defoaming agent, 6 parts of antifreezing agent and 0.2 part of bactericide.
The high-strength permeable acrylic emulsion is a Dow 2133 emulsion.
The film-forming assistant is 1, 2-propylene glycol; the leveling agent is a polyether modified leveling agent.
The dispersant was 731A from rocheus corporation.
The preparation method provided by the embodiment of the invention comprises the following steps:
s1, mixing and stirring the high-strength permeable acrylic emulsion, hydroxyethyl cellulose, deionized water and an auxiliary agent uniformly;
s2, after the pH value of the S1 system is adjusted to 8.0-9.5, the film forming auxiliary agent is added under stirring;
s3, filtering the S2 system by using a 100-mesh screen to obtain a finished product.
Example 2
The high-strength primer for the building exterior wall comprises the following raw materials in parts by weight: 35 parts of high-strength permeable acrylic emulsion, 0.5 part of hydroxyethyl cellulose, 3 parts of a film-forming auxiliary agent, 3 parts of an auxiliary agent, 20 parts of deionized water, 5 parts of epoxy resin and 0.5 part of a photoinitiator.
Wherein the auxiliary agent comprises 0.2 part of wetting dispersant, 0.8 part of thickening agent, 0.2 part of flatting agent, 0.2 part of defoaming agent, 6 parts of antifreezing agent and 0.2 part of bactericide. The photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone. The epoxy resin is alicyclic epoxy resin, glycerin epoxy resin and vinyl epoxy resin according to the weight ratio of 5: 1: 2, mixing the components.
The high-strength permeable acrylic emulsion is a Dow 2133 emulsion.
The film-forming assistant is 1, 2-propylene glycol; the leveling agent is a polyether modified leveling agent.
The dispersant was 731A from rocheus corporation.
The preparation method provided by the embodiment of the invention comprises the following steps:
s1, mixing and stirring the high-strength permeable acrylic emulsion, hydroxyethyl cellulose, deionized water and an auxiliary agent uniformly;
s2, after the pH value of the S1 system is adjusted to 8.0-9.5, the film forming auxiliary agent is added under stirring;
s3, filtering the S2 system by using a 100-mesh screen to obtain a finished product.
Comparative example
The comparison example of the invention comprises the following raw materials in parts by weight: 35 parts of acrylic emulsion, 0.5 part of hydroxyethyl cellulose, 3 parts of a film-forming assistant, 3 parts of an assistant and 20 parts of deionized water.
Wherein the auxiliary agent comprises 0.2 part of wetting dispersant, 0.8 part of thickening agent, 0.2 part of flatting agent, 0.2 part of defoaming agent, 6 parts of antifreezing agent and 0.2 part of bactericide. The acrylic emulsion is pure acrylic emulsion.
The film-forming assistant is 1, 2-propylene glycol; the leveling agent is a polyether modified leveling agent.
The dispersant was 731A from rocheus corporation.
The preparation method of the comparison example comprises the following steps:
s1, mixing and stirring the acrylic emulsion, the hydroxyethyl cellulose, the deionized water and the auxiliary agent uniformly;
s2, after the pH value of the S1 system is adjusted to 8.0-9.5, the film forming auxiliary agent is added under stirring;
s3, filtering the S2 system by using a 100-mesh screen to obtain a finished product.
The primers of the examples and the comparative examples of the present invention were sprayed on the concrete surface, cured to form a paint film, and the paint film was tested for physical properties as shown in the following table.
Figure BDA0003227603330000031
According to the embodiment of the invention, the high-strength permeable acrylic emulsion and the hydroxyethyl cellulose are adopted, so that the building exterior wall surface can be effectively bonded, the bonding capability with the building surface is improved, the adhesive force of the finish paint on the building surface is further improved, and the finish paint has good aging resistance and corrosion resistance. In addition, the effective adhesion to the building surface is further improved by adopting the epoxy resin in the embodiment 2 of the invention.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the modifications and equivalents of the specific embodiments of the present invention can be made by those skilled in the art after reading the present specification, but these modifications and variations do not depart from the scope of the claims of the present application.

Claims (10)

1. The high-strength primer for the building exterior wall is characterized by comprising the following raw materials in parts by weight: 35-50 parts of high-strength permeable acrylic emulsion, 0.3-0.5 part of hydroxyethyl cellulose, 2-3 parts of film-forming assistant, 3-8 parts of assistant and 20-30 parts of deionized water.
2. The primer for the high-strength building exterior wall according to claim 1, wherein the auxiliary agent is at least one of a wetting dispersant, a thickener, a leveling agent, a defoaming agent, an antifreezing agent and a bactericide.
3. The primer for high strength building exterior walls according to claim 1, wherein the pH of the primer is 8.0-9.5.
4. The primer for the high-strength building exterior wall as claimed in claim 2, wherein the auxiliary agent comprises 0.2-0.3 part of wetting dispersant, 0.3-0.8 part of thickener, 0.2-0.3 part of leveling agent, 0.2-0.4 part of defoamer, 2-6 parts of antifreeze and 0.1-0.2 part of bactericide.
5. The primer for high strength building exterior wall according to claim 1, wherein the high strength permeable acrylic emulsion is a dow 2133 emulsion.
6. The primer for high-strength building exterior walls according to claim 2, wherein the film forming aid is a decaglycol ester, 1, 2-propanediol or a combination of the two; the leveling agent is a polyether modified leveling agent.
7. The primer for high strength building exterior wall according to claim 2, wherein the dispersant is one or more of 731A, 963 and 1124 manufactured by Rohm and Haas company.
8. The primer for high-strength building exterior walls according to any one of claims 1 to 7, wherein the preparation method comprises the following steps:
s1, mixing and stirring the high-strength permeable acrylic emulsion, hydroxyethyl cellulose, deionized water and an auxiliary agent uniformly;
s2, after the pH value of the S1 system is adjusted to 8.0-9.5, the film forming auxiliary agent is added under stirring;
s3, filtering the S2 system by using a 80-100 mesh screen to obtain a finished product.
9. The primer for high-strength building exterior walls according to claim 2, wherein the primer further comprises 5-10 parts of epoxy resin.
10. The primer for high strength building exterior walls according to claim 9, wherein the primer further comprises 0.1-0.5 parts of photoinitiator.
CN202110976761.0A 2021-08-24 2021-08-24 High-strength primer for building exterior wall Pending CN113683928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110976761.0A CN113683928A (en) 2021-08-24 2021-08-24 High-strength primer for building exterior wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110976761.0A CN113683928A (en) 2021-08-24 2021-08-24 High-strength primer for building exterior wall

Publications (1)

Publication Number Publication Date
CN113683928A true CN113683928A (en) 2021-11-23

Family

ID=78582057

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110976761.0A Pending CN113683928A (en) 2021-08-24 2021-08-24 High-strength primer for building exterior wall

Country Status (1)

Country Link
CN (1) CN113683928A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105086536A (en) * 2015-08-05 2015-11-25 天长市开林化工有限公司 Special high-performance emulsion paint for building external wall
CN105131740A (en) * 2015-09-10 2015-12-09 三棵树涂料股份有限公司 Primer for building external wall and preparation method thereof
CN106700814A (en) * 2015-07-20 2017-05-24 上海三银涂料科技股份有限公司 Water-based high-adhesion diving joint priming paint as well as preparation method and application thereof
CN106905788A (en) * 2015-12-23 2017-06-30 天长市高新技术创业服务中心 A kind of coating used for building exterior wall
CN109096805A (en) * 2018-08-17 2018-12-28 河南益安新材料有限公司 A kind of exterior wall high adhesion force, alkali-resisting primer and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106700814A (en) * 2015-07-20 2017-05-24 上海三银涂料科技股份有限公司 Water-based high-adhesion diving joint priming paint as well as preparation method and application thereof
CN105086536A (en) * 2015-08-05 2015-11-25 天长市开林化工有限公司 Special high-performance emulsion paint for building external wall
CN105131740A (en) * 2015-09-10 2015-12-09 三棵树涂料股份有限公司 Primer for building external wall and preparation method thereof
CN106905788A (en) * 2015-12-23 2017-06-30 天长市高新技术创业服务中心 A kind of coating used for building exterior wall
CN109096805A (en) * 2018-08-17 2018-12-28 河南益安新材料有限公司 A kind of exterior wall high adhesion force, alkali-resisting primer and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
崔玉民主编: "《绿色环保功能涂料》", 31 January 2019, 中国书籍出版社 *
汪盛藻主编: "《汽车修补涂料与修补技术》", 30 June 1997, 中国物资出版社 *

Similar Documents

Publication Publication Date Title
CN108641548B (en) Steel structure bottom and surface antirust paint and preparation and application thereof
CN105199514A (en) Fluorocarbon elastic waterproof paint for metal color steel roofing and preparation method thereof
CN107417850B (en) Pure acrylic emulsion, preparation method thereof and waterproof and antirust coating for metal roof
CN102002288A (en) Water-based environment friendly metallic paint and preparation method thereof
CN105400330A (en) High-performance exterior-wall elastic paint and preparation method thereof
CN104277526A (en) Water-proof coating and production method thereof
CN112300703A (en) Water-based bio-based climbing frame coating and preparation method thereof
CN106381026A (en) High-hardness and high-wear-resistance acrylate water-based paint
CN111808505B (en) Heat-reflection high-corrosion-resistance weather-resistant steel plate coil metal coating and preparation method thereof
CN110655855A (en) Industrial heavy-duty corrosion-resistant long-acting weather-resistant water-based acrylic polyurethane anticorrosive paint and preparation method thereof
CN110857370A (en) Hydrophobic elastic waterproof coating and preparation method thereof
CN102127330B (en) Acid rain resistant aqueous exterior wall base paint
CN113683928A (en) High-strength primer for building exterior wall
CN111334175B (en) Basalt protective coating and preparation method thereof
CN111675942B (en) Bidirectional high-adhesion water-based exterior wall primer coating and preparation method thereof
CN107216763A (en) A kind of exterior wall weatherability elastic water proofing paint
CN110746811A (en) Environment-friendly high-durability epoxy modified putty
CN107189614B (en) Water-based crack paint and preparation method thereof
CN105331253A (en) Heavy-duty anti-corrosion paint for oceanographic engineering
CN112029351A (en) High-performance paste interface primer two-in-one coating and preparation method thereof
CN115651481A (en) Water-based two-component epoxy thick-paste paint for anticorrosive coating and preparation method thereof
CN106398465B (en) Artistic floors
CN115505317A (en) Water-based epoxy asphalt waterproof and anticorrosive coating for inner wall of water tank and preparation method thereof
CN114456651A (en) Water-based acrylic acid waterproof coating and preparation method thereof
CN112812643B (en) Outdoor water-based wood coating, preparation method thereof and wood product

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211123