CN111777930A - Single-component yellowing-resistant crack beautifying agent and preparation method thereof - Google Patents
Single-component yellowing-resistant crack beautifying agent and preparation method thereof Download PDFInfo
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- CN111777930A CN111777930A CN202010665999.7A CN202010665999A CN111777930A CN 111777930 A CN111777930 A CN 111777930A CN 202010665999 A CN202010665999 A CN 202010665999A CN 111777930 A CN111777930 A CN 111777930A
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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
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions 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
- 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
- C09D7/61—Additives non-macromolecular 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
- 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
- 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
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a single-component yellowing-resistant crack sealer and a preparation method thereof, and belongs to the technical field of crack sealers. The paint comprises the following components in percentage by mass: 30-50% of silane modified resin, 10-30% of plasticizer, 30-50% of extending filler, 1-10% of pigment, 0.1-1% of ultraviolet absorbent, 1-5% of thixotropic agent, 0.5-1.5% of adhesion promoter A, 0.5-1.5% of moisture scavenger and 0.05-0.2% of catalyst. The invention has the advantages that the single component is easy to construct and can not generate the condition of no solidification, thereby solving the problems that the seam beautifying agent in the market is a double component, the condition of uneven mixing can occur, and the two components are in the state of no solidification or plasticine after solidification if the distribution ratio is not accurate; the construction can be carried out on a wet base surface, and the yellowing resistance is improved; the single-component seam beautifying agent reacts and cures with moisture, so that the bonding property between the base material and the seam beautifying agent is better, and the problems that the double components cannot react with water, and the moisture always exists between the base material and the seam beautifying agent and is not good in bonding are solved.
Description
Technical Field
The invention relates to a single-component yellowing-resistant crack sealer and a preparation method thereof, belonging to the technical field of crack sealers.
Background
The seam beautifying agent on the market is made of epoxy resin, is two-component and is difficult to operate in the construction process; in the using process, the seam beautifying agent about 20cm in front of the rubber tube is usually removed, which causes waste; after the two-component seam beautifying agent is constructed, uncured conditions are found after curing for a period of time, troubles are caused to customers, the uncured seam beautifying agent needs to be completely removed, and a new seam beautifying agent needs to be applied again; for light-colored or white seam sealers, yellowing often occurs easily; the seam beautifying agent can not be constructed on a wet base surface, and the phenomenon that the seam beautifying agent falls off can occur; in view of the above disadvantages, a one-component yellowing resistant cosmetic joint sealant has been invented.
In summary, the following problems exist in the current market for seam beautifying agent and the preparation and use methods thereof:
1. the construction of the two-component seam beautifying agent is troublesome;
2. the ab component proportion is not proper, so that the non-curing condition is generated;
3. white or light color is easy to yellow;
4. the wet surface can not be bonded and is easy to fall off.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the single-component yellowing-resistant joint beautifying agent and the preparation method thereof solve the problems that the joint beautifying agent in the market and the preparation and use methods thereof have troublesome construction, improper ab component proportion, no curing condition, and easily-yellowing wet surfaces with white or light color cannot be bonded and are easy to fall off.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the single-component yellowing-resistant beautifying seam agent comprises the following components in percentage by mass: 30-50% of silane modified resin, 10-30% of plasticizer, 30-50% of extending filler, 1-10% of pigment, 0.1-1% of ultraviolet absorbent, 1-5% of thixotropic agent, 0.5-1.5% of adhesion promoter A, 0.5-1.5% of moisture scavenger and 0.05-0.2% of catalyst.
As a preferred example, the silane modified resin is one or a combination of more of SPUR1015LM, SPUR1050HM, STPE-E35, STPE-E30, STPE-E10 and XB-502.
As a preferred example, the plasticizer is a phthalate ester, including one or more of dioctyl phthalate, diisononyl phthalate, diisodecyl phthalate, di (2-propylheptyl) phthalate, polyether polyol-1000, polyether polyol-2000, and polyether polyol-3000.
As a preferred example, the extending filler is one or a combination of heavy calcium carbonate, nano calcium carbonate, kaolin, silica fume, mica powder and quartz powder.
As a preferred example, the pigment is a combination of one or more of R706, R900, R902, R931, R960, R102, R103, R104, R105.
As a preferred example, the uv absorber is one or more of Tinuvin 900, Tinuvin 320, Tinuvin326, Tinuvin 327, Tinuvin 328, Tinuvin 329.
As a preferred example, the thixotropic agent is one or more of fumed silica, precipitated silica, glass beads, and polyamide wax powder.
As a preferred example, the adhesion promoter A is synthesized from isocyanate and a coupling agent.
As a preferred example, the preparation method of the adhesion promoter A is as follows:
heating 50% isophorone diisocyanate to 40-60 ℃; slowly dripping 136% of phenylaminopropyltriethoxysilane, and reacting at 60-70 ℃ for 1.5-3.5 h to obtain the accelerator A.
As a preferred example, the moisture scavenger is one or more of vinyltrimethoxysilane, vinylmethyldimethoxysilane, vinyltriethoxysilane, etc.
As a preferred example, the catalyst is one of di-n-butyltin dilaurate, stannous octoate, dibutyltin bis (acetylacetonate).
A preparation method of a single-component yellowing-resistant crack sealer mainly comprises the following steps:
(1) drying the incremental filler, the pigment and the thixotropic agent at the temperature of 120-150 ℃ for 5-24 h;
(2) adding the silane modified resin, the plasticizer and the moisture scavenger into a stirring reaction kettle according to a ratio, vacuumizing, and stirring and defoaming for 0.5-1.5 h;
(3) stopping stirring, adding the dried incremental filler and the thixotropic agent according to the proportion, and stirring for 1-2 hours in vacuum;
(4) adding an adhesion promoter and a catalyst in proportion under the protection of nitrogen;
(5) vacuumizing, continuously stirring for 10-40 min, and uniformly mixing;
(6) filling nitrogen to relieve vacuum to normal pressure, discharging and subpackaging to obtain the single-component yellowing-resistant crack sealer;
wherein, the glue making equipment in the steps (2), (3), (4), (5) and (6) is a double-planet mixing stirrer.
The invention has the beneficial effects that: the invention has the advantages that the single component is easy to construct and can not generate the condition of no solidification, thereby solving the problems that the seam beautifying agent in the market is a double component, the condition of uneven mixing can occur, and the two components are in the state of no solidification or plasticine after solidification if the distribution ratio is not accurate; the construction can be carried out on a wet base surface, and the yellowing resistance is improved; the single-component seam beautifying agent reacts and cures with moisture, so that the bonding property between the base material and the seam beautifying agent is better, and the problems that the double components cannot react with water, and the moisture always exists between the base material and the seam beautifying agent and is not good in bonding are solved.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easily understood, the invention is further described with reference to the following embodiments.
Example one
A single-component yellowing-resistant crack sealer is prepared by weighing the following components in percentage by weight:
a preparation method of a single-component yellowing-resistant crack sealer comprises the following steps:
adding STPE-E1010%, XB-50225%, polyether polyol-100015% and vinyl methyl dimethoxysilane 0.5% into a stirring reaction kettle according to the formula, vacuumizing, stirring and defoaming for 0.5h, stopping stirring, adding 10.4% of heavy calcium carbonate, 30% of nano calcium carbonate, R9025%, Tinuvin 3290.5% and 3% of fumed silica, stirring and vacuumizing for 1.5h, then under the protection of nitrogen, adding 0.5% of adhesion promoter A, stirring for 0.5h, adding 0.1% of stannous octoate under the protection of nitrogen, vacuumizing, continuously stirring for 20min, filling nitrogen to a standard atmosphere, discharging and subpackaging to obtain the single-component yellowing-resistant crack sealer.
Example two
A single-component yellowing-resistant crack sealer is prepared by weighing the following components in percentage by weight:
a preparation method of a single-component yellowing-resistant crack sealer comprises the following steps:
adding 105% of STPE-E, 105% of XB-50230%, 100015% of polyether polyol and 0.5% of vinyl methyl dimethoxysilane into a stirring reaction kettle according to the formula, vacuumizing, stirring and defoaming for 0.5h, stopping stirring, adding 10.2% of heavy calcium carbonate, 30% of nano calcium carbonate, R9025%, Tinuvin 3290.5% and 3% of fumed silica, stirring and vacuumizing for 1.5h, then under the protection of nitrogen, adding 0.7% of adhesion promoter A, stirring for 0.5h, adding 0.1% of stannous octoate under the protection of nitrogen, vacuumizing, continuously stirring for 20min, filling nitrogen to a standard atmosphere, discharging and subpackaging to obtain the single-component yellowing-resistant crack sealer.
EXAMPLE III
A single-component yellowing-resistant crack sealer is prepared by weighing the following components in percentage by weight:
a preparation method of a single-component yellowing-resistant crack sealer comprises the following steps:
adding STPE-E105%, XB-50230%, polyether polyol-100010% and vinyl methyl dimethoxysilane 0.5% into a stirring reaction kettle according to the formula, vacuumizing, stirring and defoaming for 0.5h, stopping stirring, adding heavy calcium carbonate 20.2%, nano calcium carbonate 25%, R9025%, Tinuvin 3290.6% and fumed silica 3%, stirring and vacuumizing for 1.5h, then under the protection of nitrogen, adding adhesion promoter A0.6%, stirring for 0.5h, adding stannous octoate 0.1% under the protection of nitrogen, vacuumizing, continuously stirring for 20min, filling nitrogen to a standard atmosphere, discharging and packaging to obtain the single-component yellowing-resistant crack sealer.
Comparative example
The single-component yellowing-resistant cosmetic joint mixture provided by the comparative example comprises the following components in percentage by weight:
the preparation steps of the single-component crack sealer are as follows:
adding STPE-E105%, XB-50230%, polyether polyol-100015% and vinyl methyl dimethoxysilane 0.5% into a stirring reaction kettle according to the formula, vacuumizing, stirring and defoaming for 0.5h, stopping stirring, adding heavy calcium carbonate 10.2%, nano calcium carbonate 30%, R9025%, Tinuvin 3290.5% and fumed silica 3%, stirring and vacuumizing for 1.5h, then under the protection of nitrogen, adding N- (beta-aminoethyl) -gamma-aminopropyl trimethoxysilane 0.7%, stirring for 0.5h, adding stannous octoate 0.1% under the protection of nitrogen, vacuumizing, continuing stirring for 20min, filling nitrogen to a standard atmospheric pressure, discharging and packaging to obtain the single-component crack sealer.
The yellowing resistance delta E in the first embodiment, the second embodiment, the third embodiment and the comparative example is tested according to GB/T23983 woodware coating yellowing resistance determination method, a UVA-340 lamp tube is adopted, the irradiation intensity is 0.68 w/square meter, the blackboard temperature is 60 ℃, the cumulative irradiation time is 168h, and the test result is shown in the first table.
Watch 1
| Performance of | Example one | Example two | EXAMPLE III | Comparative example |
| Yellowing resistance Delta E | 1 | 2 | 1 | 10 |
As can be seen from Table I, the yellowing resistance Δ E values of the first, second and third examples are all significantly less than the yellowing resistance Δ E values of the comparative examples, indicating that the comparative examples of the first, second and third examples have much better yellowing resistance.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (12)
1. The single-component yellowing-resistant beautifying seam agent is characterized by comprising the following components in percentage by mass: 30-50% of silane modified resin, 10-30% of plasticizer, 30-50% of extending filler, 1-10% of pigment, 0.1-1% of ultraviolet absorbent, 1-5% of thixotropic agent, 0.5-1.5% of adhesion promoter A, 0.5-1.5% of moisture scavenger and 0.05-0.2% of catalyst.
2. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the silane modified resin is one or a combination of more of SPUR1015LM, SPUR1050HM, STPE-E35, STPE-E30, STPE-E10 and XB-502.
3. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the plasticizer is phthalate ester, and comprises one or more of dioctyl phthalate, diisononyl phthalate, diisodecyl phthalate, di (2-propylheptyl) phthalate, polyether polyol-1000, polyether polyol-2000 and polyether polyol-3000.
4. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the incremental filler is one or a plurality of compositions of heavy calcium carbonate, nano calcium carbonate, kaolin, wollastonite powder, mica powder and quartz powder.
5. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the pigment is one or more of R706, R900, R902, R931, R960, R102, R103, R104 and R105.
6. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the ultraviolet absorbent is one or a plurality of compositions of Tinuvin 900, Tinuvin 320, Tinuvin326, Tinuvin 327, Tinuvin 328 and Tinuvin 329.
7. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the thixotropic agent is one or more of fumed silica, precipitated silica, glass beads and polyamide wax powder.
8. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the adhesion promoter A is synthesized by isocyanate and a coupling agent.
9. The adhesion promoter a according to claim 8, characterized in that it is prepared by the following method:
heating 50% isophorone diisocyanate to 40-60 ℃; slowly dripping 136% of phenylaminopropyltriethoxysilane, and reacting at 60-70 ℃ for 1.5-3.5 h to obtain the accelerator A.
10. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the moisture scavenger is one or more of vinyltrimethoxysilane, vinylmethyldimethoxysilane and vinyltriethoxysilane.
11. The one-component yellowing-resistant cosmetic joint sealant according to claim 1, wherein: the catalyst is one of di-n-butyltin dilaurate, stannous octoate and dibutyltin bis (acetylacetonate).
12. The preparation method of the single-component yellowing-resistant crack sealer is characterized by mainly comprising the following steps:
(1) drying the incremental filler, the pigment and the thixotropic agent at the temperature of 120-150 ℃ for 5-24 h;
(2) adding the silane modified resin, the plasticizer and the moisture scavenger into a stirring reaction kettle according to a ratio, vacuumizing, and stirring and defoaming for 0.5-1.5 h;
(3) stopping stirring, adding the dried incremental filler and the thixotropic agent according to the proportion, and stirring for 1-2 hours in vacuum;
(4) adding an adhesion promoter and a catalyst in proportion under the protection of nitrogen;
(5) vacuumizing, continuously stirring for 10-40 min, and uniformly mixing;
(6) filling nitrogen to relieve vacuum to normal pressure, discharging and subpackaging to obtain the single-component yellowing-resistant crack sealer;
wherein, the glue making equipment in the steps (2), (3), (4), (5) and (6) is a double-planet mixing stirrer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010665999.7A CN111777930A (en) | 2020-07-12 | 2020-07-12 | Single-component yellowing-resistant crack beautifying agent and preparation method thereof |
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| CN202010665999.7A CN111777930A (en) | 2020-07-12 | 2020-07-12 | Single-component yellowing-resistant crack beautifying agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011222A (en) * | 2022-07-04 | 2022-09-06 | 安徽硕阳新材料科技有限公司 | Single-component polyurea matte seam beautifying agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038681A (en) * | 2015-08-28 | 2015-11-11 | 上海蒂姆新材料科技有限公司 | Silane modified resin sealing gum and preparing method thereof |
| CN110845990A (en) * | 2019-11-21 | 2020-02-28 | 江门大光明粘胶有限公司 | Ceramic tile crack beautifying agent and preparation method thereof |
-
2020
- 2020-07-12 CN CN202010665999.7A patent/CN111777930A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038681A (en) * | 2015-08-28 | 2015-11-11 | 上海蒂姆新材料科技有限公司 | Silane modified resin sealing gum and preparing method thereof |
| CN110845990A (en) * | 2019-11-21 | 2020-02-28 | 江门大光明粘胶有限公司 | Ceramic tile crack beautifying agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马兴元等编: "《合成革化学与工艺学》", 30 November 2015 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011222A (en) * | 2022-07-04 | 2022-09-06 | 安徽硕阳新材料科技有限公司 | Single-component polyurea matte seam beautifying agent |
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Application publication date: 20201016 |