CN112223499A - Release agent for producing prefabricated parts of prefabricated building - Google Patents
Release agent for producing prefabricated parts of prefabricated building Download PDFInfo
- Publication number
- CN112223499A CN112223499A CN202011068844.1A CN202011068844A CN112223499A CN 112223499 A CN112223499 A CN 112223499A CN 202011068844 A CN202011068844 A CN 202011068844A CN 112223499 A CN112223499 A CN 112223499A
- Authority
- CN
- China
- Prior art keywords
- parts
- agent
- release agent
- prefabricated
- epoxy resin
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/384—Treating agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
Abstract
The invention belongs to the field of assembly type buildings, and particularly relates to a release agent for producing prefabricated parts of an assembly type building, which comprises the following raw materials in parts by weight: 15-30 parts of acrylic resin, 45-65 parts of epoxy resin, 25-45 parts of polyester polyol, 1-5 parts of a flatting agent, 1-5 parts of a surface smoothing agent, 10-15 parts of fatty acid and 15-25 parts of isocyanate. When in use, the release agent prepared by the invention is coated on the inner surface of a prefabricated part production mold for 2-3 times. And demolding after the prefabricated part is molded and maintained, the prefabricated part is easy to be separated, and the surfaces of the mold and the prefabricated part are smooth.
Description
Technical Field
The invention belongs to the field of assembly type buildings, and particularly relates to a release agent for production of prefabricated components of an assembly type building and a preparation method thereof.
Background
At the present stage, the assembly type building is energy-saving and environment-friendly, and has high production efficiency, so that the assembly type building becomes a development trend of the building industry, China is in a rapid development period of the assembly type building, a plurality of assembly type buildings are planned intensively since 2015, an industrial building evaluation standard is released at the end of 2015, the 2016 year is decided to be popularized in the whole country, and breakthrough progress is made; the building department of 11/14 th of 2015 provides a building industry modernization development outline, and the assembled building accounts for more than 20% of the newly-built building in 2020 to more than 50% of the newly-built building in 2025. The production method of the prefabricated building is to transport the prefabricated building components to the construction site for assembly, and the prefabricated building is a building formed by assembling a large number of components on site. In the process of the construction of the fabricated building, a large number of building components need to be hoisted and spliced, the components are produced by prefabricating in factories, the prefabricated components can be applied to various parts such as inner and outer wall boards, laminated floor boards, stairs, balconies, prefabricated beams and columns of buildings, the most applied parts at present are plate buildings, in the application, a large number of moulds are used, and after the prefabricated components are formed and maintained, because certain adhesion exists between concrete and the moulds, the problems of demoulding and the production of the prefabricated components with smooth surfaces are always difficult problems of the prefabricated components of the fabricated buildings.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a novel release agent for producing prefabricated building components. The mold release agent disclosed by the invention is simple to prepare, good in mold release effect, and the produced prefabricated part is smooth and clean in surface after being subjected to mold release.
The invention relates to a release agent for producing prefabricated components of an assembly type building, which comprises the following raw materials in parts by weight:
15-30 parts of acrylic resin, 45-65 parts of epoxy resin, 25-45 parts of polyester polyol, 1-5 parts of a flatting agent, 1-5 parts of a surface smoothing agent, 10-15 parts of fatty acid and 15-25 parts of isocyanate.
The invention relates to a release agent for producing prefabricated components of an assembly type building, which has another preferable scheme that the release agent comprises the following components in parts by weight:
20-25 parts of acrylic resin, 50-60 parts of epoxy resin, 30-40 parts of polyester polyol, 2-4 parts of a flatting agent, 2-4 parts of a surface smoothing agent, 12-14 parts of fatty acid and 18-22 parts of isocyanate.
The invention relates to a release agent for producing prefabricated components of an assembly type building, which has another preferable scheme that the release agent comprises the following components in parts by weight:
22 parts of acrylic resin, 55 parts of epoxy resin, 35 parts of polyester polyol, 3 parts of a flatting agent, 3 parts of a surface smoothing agent, 13 parts of fatty acid and 20 parts of isocyanate.
In another preferred embodiment of the mold release agent for the production of prefabricated building components, the epoxy resin is bisphenol a epoxy resin or glycidyl ether epoxy resin.
According to another preferable scheme of the release agent for producing the prefabricated building components, the leveling agent is a modified polysilane leveling agent.
According to another preferable scheme of the release agent for producing the prefabricated assembly for the prefabricated building, the surface slip agent is a TPE slip agent.
In another preferable embodiment of the mold release agent for the production of prefabricated building components, the fatty acid is lauric acid or stearic acid.
The mold release agent is coated on the inner surface of a production mold of a prefabricated part in a brush way, so that the prefabricated part can be easily released after being molded and maintained, the surface is smooth, and the time and labor cost of other surface treatment are saved.
The production process comprises the following steps:
(1) mixing acrylic resin, epoxy resin and polyester polyol with half of the proportion at 80-115 ℃;
(2) then adding the flatting agent, the surface smoothing agent and the fatty acid, and fully mixing;
(3) and then adding isocyanate and the rest half of the polyester polyol, heating to 140-155 ℃, keeping the temperature for 5-10 hours under stirring, cooling and packaging.
The release agent prepared by the invention is light yellow fluid, and is coated on the inner surface of a prefabricated part production mold for 2-3 times when in use. And demolding after the prefabricated part is molded and maintained, the prefabricated part is easy to be separated, and the surfaces of the mold and the prefabricated part are smooth.
Detailed Description
The following specific examples of some preferred embodiments of the present invention are provided to aid in further understanding of the present invention, but the scope of the present invention is not limited to these examples.
The raw materials of the invention are all common raw materials sold in the market.
Example 1
The release agent for producing the prefabricated components of the fabricated building comprises the following raw materials in parts by weight:
22 parts of acrylic resin, 55 parts of epoxy resin, 35 parts of polyester polyol, 3 parts of a flatting agent, 3 parts of a surface smoothing agent, 13 parts of fatty acid and 20 parts of isocyanate.
The epoxy resin is bisphenol A epoxy resin.
The leveling agent is a modified polysilane leveling agent.
The surface slip agent is TPE slip agent.
The fatty acid is stearic acid.
The production process comprises the following steps:
(1) mixing acrylic resin, epoxy resin and polyester polyol in a half proportion at 100 ℃;
(2) then adding the flatting agent, the surface smoothing agent and the fatty acid, and fully mixing;
(3) then adding isocyanate and the rest half of the polyester polyol, heating to 150 ℃, keeping the temperature for 7 hours under stirring, cooling and packaging.
Example 2
The release agent for producing the prefabricated components of the fabricated building comprises the following raw materials in parts by weight:
20 parts of acrylic resin, 50 parts of epoxy resin, 30 parts of polyester polyol, 2 parts of a leveling agent, 2 parts of a surface slip agent, 12 parts of fatty acid and 18 parts of isocyanate.
The epoxy resin is glycidyl ether epoxy resin.
The leveling agent is a modified polysilane leveling agent.
The surface slip agent is TPE slip agent.
The fatty acid is lauric acid.
The production process of the release agent comprises the following steps:
(1) mixing acrylic resin, epoxy resin and polyester polyol with half of the proportion at 95 ℃;
(2) then adding the flatting agent, the surface smoothing agent and the fatty acid, and fully mixing;
(3) then adding isocyanate and the rest half of the polyester polyol, heating to 145 ℃, keeping the temperature for 10 hours under stirring, cooling and packaging.
Example 3
The release agent for producing the prefabricated components of the fabricated building comprises the following raw materials in parts by weight:
25 parts of acrylic resin, 60 parts of epoxy resin, 40 parts of polyester polyol, 4 parts of a leveling agent, 4 parts of a surface slip agent, 14 parts of fatty acid and 22 parts of isocyanate.
The epoxy resin is bisphenol A type epoxy resin.
The leveling agent is a modified polysilane leveling agent.
The surface slip agent is TPE slip agent.
The fatty acid is stearic acid.
The production process of the release agent comprises the following steps:
(1) mixing acrylic resin, epoxy resin and polyester polyol in half proportion at 110 ℃;
(2) then adding the flatting agent, the surface smoothing agent and the fatty acid, and fully mixing;
(3) then adding isocyanate and the rest half of the polyester polyol, heating to 155 ℃, keeping the temperature for 5 hours under stirring, cooling and packaging.
Example 4
The release agent for producing the prefabricated components of the fabricated building comprises the following raw materials in parts by weight:
15 parts of acrylic resin, 45 parts of epoxy resin, 25 parts of polyester polyol, 1 part of flatting agent, 1 part of surface smoothing agent, 10 parts of fatty acid and 15 parts of isocyanate.
The epoxy resin is bisphenol A type epoxy resin.
The leveling agent is a modified polysilane leveling agent.
The surface slip agent is TPE slip agent.
The fatty acid is stearic acid.
The preparation process of the release agent comprises the following steps:
(1) mixing acrylic resin, epoxy resin and polyester polyol in half proportion at 115 ℃;
(2) then adding the flatting agent, the surface smoothing agent and the fatty acid, and fully mixing;
(3) then adding isocyanate and the rest half of the polyester polyol, heating to 140 ℃, keeping the temperature for 9 hours under stirring, cooling and packaging.
Example 5
The release agent for producing the prefabricated components of the fabricated building comprises the following raw materials in parts by weight:
30 parts of acrylic resin, 65 parts of epoxy resin, 45 parts of polyester polyol, 5 parts of a leveling agent, 5 parts of a surface slip agent, 15 parts of fatty acid and 25 parts of isocyanate.
The epoxy resin is glycidyl ether epoxy resin.
The leveling agent is a modified polysilane leveling agent.
The surface slip agent is TPE slip agent.
The fatty acid is lauric acid.
The production process comprises the following steps:
(1) mixing acrylic resin, epoxy resin and polyester polyol in half proportion at 110 ℃;
(2) then adding the flatting agent, the surface smoothing agent and the fatty acid, and fully mixing;
(3) then adding isocyanate and the rest half of the polyester polyol, heating to 145 ℃, keeping the temperature for 8 hours under stirring, cooling and packaging.
The release agent prepared by the invention is light yellow fluid, and is coated on the inner surface of a prefabricated part production mold for 2-3 times when in use, then concrete is cast, and the prefabricated part is released after molding and maintenance, the prefabricated part is easy to release, and the mold and the surface of the prefabricated part are smooth.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The release agent for producing the prefabricated components of the fabricated building is characterized in that the raw materials comprise the following components in parts by weight:
15-30 parts of acrylic resin, 45-65 parts of epoxy resin, 25-45 parts of polyester polyol, 1-5 parts of a flatting agent, 1-5 parts of a surface smoothing agent, 10-15 parts of fatty acid and 15-25 parts of isocyanate.
2. The mold release agent for producing the prefabricated building components as claimed in claim 1, wherein the raw materials comprise the following components in parts by weight:
20-25 parts of acrylic resin, 50-60 parts of epoxy resin, 30-40 parts of polyester polyol, 2-4 parts of a flatting agent, 2-4 parts of a surface smoothing agent, 12-14 parts of fatty acid and 18-22 parts of isocyanate.
3. The mold release agent for producing the prefabricated building components as claimed in claim 1, wherein the raw materials comprise the following components in parts by weight:
22 parts of acrylic resin, 55 parts of epoxy resin, 35 parts of polyester polyol, 3 parts of a flatting agent, 3 parts of a surface smoothing agent, 13 parts of fatty acid and 20 parts of isocyanate.
4. The mold release agent for the production of prefabricated building components according to claim 1, wherein the epoxy resin is bisphenol a type epoxy resin or glycidyl ether type epoxy resin.
5. The release agent for the production of prefabricated building components according to claim 1, wherein the leveling agent is a modified polysilane leveling agent.
6. The mold release agent for prefabricated building element production according to claim 1, wherein the surface slip agent is a TPE slip agent.
7. The release agent for the production of prefabricated building components according to claim 1, wherein said fatty acid is lauric acid or stearic acid.
8. The use of the release agent for the production of prefabricated building components according to any one of claims 1 to 7, wherein the release agent is coated on the inner surface of a production mold of the prefabricated component for 2 to 3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068844.1A CN112223499A (en) | 2020-09-30 | 2020-09-30 | Release agent for producing prefabricated parts of prefabricated building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068844.1A CN112223499A (en) | 2020-09-30 | 2020-09-30 | Release agent for producing prefabricated parts of prefabricated building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112223499A true CN112223499A (en) | 2021-01-15 |
Family
ID=74119508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011068844.1A Pending CN112223499A (en) | 2020-09-30 | 2020-09-30 | Release agent for producing prefabricated parts of prefabricated building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112223499A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1567327A (en) * | 1975-09-18 | 1980-05-14 | Daikin Ind Ltd | Mould release agent |
| JPS59129295A (en) * | 1983-01-12 | 1984-07-25 | Dainippon Ink & Chem Inc | Releasing agent |
| US4764537A (en) * | 1986-09-19 | 1988-08-16 | Basf Aktiengesellschaft | Internal mold release agents, their use for preparing molded articles using polyisocyanate-addition polymerization, and a process for preparing molded articles |
| US5035849A (en) * | 1989-02-01 | 1991-07-30 | Chisso Corporation | Process for producing molded article using a releasing agent |
| CN106799785A (en) * | 2017-01-19 | 2017-06-06 | 湖南汇田高分子科技有限公司 | A kind of releasing agent and preparation method thereof |
| CN108587759A (en) * | 2018-01-23 | 2018-09-28 | 云南森博混凝土外加剂有限公司 | A kind of preparation method of concrete parting agent |
| CN109401560A (en) * | 2018-09-27 | 2019-03-01 | 湖南汇田高分子科技有限公司 | A kind of cured aluminum alloy pattern plate release agent of high number of turnover ultraviolet light and preparation method thereof |
| KR20190140587A (en) * | 2018-06-12 | 2019-12-20 | 권미옥 | Peeling agent for Al concrete mold and method of manufacturing the mold |
-
2020
- 2020-09-30 CN CN202011068844.1A patent/CN112223499A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1567327A (en) * | 1975-09-18 | 1980-05-14 | Daikin Ind Ltd | Mould release agent |
| JPS59129295A (en) * | 1983-01-12 | 1984-07-25 | Dainippon Ink & Chem Inc | Releasing agent |
| US4764537A (en) * | 1986-09-19 | 1988-08-16 | Basf Aktiengesellschaft | Internal mold release agents, their use for preparing molded articles using polyisocyanate-addition polymerization, and a process for preparing molded articles |
| US5035849A (en) * | 1989-02-01 | 1991-07-30 | Chisso Corporation | Process for producing molded article using a releasing agent |
| CN106799785A (en) * | 2017-01-19 | 2017-06-06 | 湖南汇田高分子科技有限公司 | A kind of releasing agent and preparation method thereof |
| CN108587759A (en) * | 2018-01-23 | 2018-09-28 | 云南森博混凝土外加剂有限公司 | A kind of preparation method of concrete parting agent |
| KR20190140587A (en) * | 2018-06-12 | 2019-12-20 | 권미옥 | Peeling agent for Al concrete mold and method of manufacturing the mold |
| CN109401560A (en) * | 2018-09-27 | 2019-03-01 | 湖南汇田高分子科技有限公司 | A kind of cured aluminum alloy pattern plate release agent of high number of turnover ultraviolet light and preparation method thereof |
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| 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: 20210115 |