CN113604147A - Waterproof coating for repairing - Google Patents

Waterproof coating for repairing Download PDF

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Publication number
CN113604147A
CN113604147A CN202111018591.1A CN202111018591A CN113604147A CN 113604147 A CN113604147 A CN 113604147A CN 202111018591 A CN202111018591 A CN 202111018591A CN 113604147 A CN113604147 A CN 113604147A
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CN
China
Prior art keywords
parts
repair
polyether
isocyanate
stirring
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Pending
Application number
CN202111018591.1A
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Chinese (zh)
Inventor
周伟建
符传杰
宋献军
谢寅峰
张旭
黄理荣
利晓定
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Guangdong Maydos Building Materials Co Ltd
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Guangdong Maydos Building Materials Co Ltd
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Application filed by Guangdong Maydos Building Materials Co Ltd filed Critical Guangdong Maydos Building Materials Co Ltd
Priority to CN202111018591.1A priority Critical patent/CN113604147A/en
Publication of CN113604147A publication Critical patent/CN113604147A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • C09D175/08Polyurethanes from polyethers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D109/00Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
    • C09D109/06Copolymers with styrene
    • C09D109/08Latex
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic

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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)
  • Paints Or Removers (AREA)

Abstract

The invention provides a waterproof coating for repairing, which comprises the following raw materials in parts by weight: 20-30 parts of acrylic styrene-butadiene emulsion, 40-50 parts of polyether polyol, 20-30 parts of isocyanate, 30-40 parts of filler, 10-20 parts of plasticizer, 0.2-0.5 part of wetting dispersant, 0.2-0.5 part of carbon dioxide inhibitor, 0.02-0.04 part of polymerization inhibitor and 0.05-0.1 part of catalyst. Although the existing paint can repair materials such as tiles and the like, the existing paint has poor water resistance and cannot realize good water resistance. According to the invention, the acrylic acid butylbenzene emulsion is adopted, and the polyether glycol and the isocyanate are matched, so that the repair performance is realized, and meanwhile, the waterproof effect is good.

Description

Waterproof coating for repairing
Technical Field
The invention relates to the field of coatings, and particularly relates to a waterproof coating for repairing.
Background
The environment such as kitchen, bathroom is comparatively moist, and lays ceramic tile on the ground mostly. Although the ceramic tile has good waterproof performance, the hardness of the ceramic tile is high, the ceramic tile is easy to damage during collision, and after the ceramic tile is damaged, the ceramic tile is repaired by adopting the coating, but the existing coating can repair materials such as the ceramic tile, but the waterproof performance of the existing coating is poor, and the good waterproof effect cannot be realized.
Disclosure of Invention
The invention provides a waterproof coating for repairing, which can effectively prevent water while repairing.
The invention provides a waterproof coating for repairing, which comprises the following raw materials in parts by weight: 20-30 parts of acrylic styrene-butadiene emulsion, 40-50 parts of polyether polyol, 20-30 parts of isocyanate, 30-40 parts of filler, 10-20 parts of plasticizer, 0.2-0.5 part of wetting dispersant, 0.2-0.5 part of carbon dioxide inhibitor, 0.02-0.04 part of polymerization inhibitor and 0.05-0.1 part of catalyst.
Further, the polyether polyol is selected from one or more of polyether PZ-200, polyether triol 330N and polyether diol 1000D.
Further, the polyether PZ-200 has a hydroxyl value of 53.5 to 58.5 mgKOH/g;
the N hydroxyl value of the polyether triol 330 is 32.5-35.5 mgKOH/g;
the hydroxyl value of the polyether diol 1000D is 109-115mg KOH/g.
Further, the filler is one or more of talcum powder, calcium carbonate and fly ash.
Further, the isocyanate is one or two of urethane-modified isocyanate PZ101 and urethane-modified isocyanate PZ 201.
Further, the plasticizer is one or more of dinonyl phthalate, didecyl phthalate, glycol benzoate and diethyl sebacate.
Further, the wetting dispersant is a polyester modified polysiloxane compound.
Further, the catalyst is one or two of dibutyltin dilaurate and dialkyltin dimaleate.
Further, the polymerization inhibitor is benzoyl chloride.
Further, the preparation method comprises the following steps:
s1, adding a plasticizer and a wetting dispersant into a polyurethane reaction kettle, uniformly stirring, and keeping the vacuum state and uniformly stirring for at least 2 hours under the conditions that the temperature is 95 +/-5 ℃ and the vacuum degree is 0.09 +/-0.005 MPa;
s2, after dehydration, detecting that the water content of the material is less than or equal to 0.01%, reducing the temperature to 85 ℃, decompressing, adding a polymerization inhibitor, and adjusting the pH value to 6-7;
s3, adding isocyanate into the S2 system, and stirring for at least 2 hours under the condition of 85 ℃ in a vacuum state;
s4, cooling the material to 70 ℃, adding the dried mixed polyether polyol, and reacting for at least 3h at the temperature of 70-75 ℃;
s5, cooling the material temperature to 60 ℃, adding the catalyst under the stirring state, and keeping the temperature for 30-80 min;
s6, adding a carbon dioxide inhibitor under stirring, and reacting at 60-65 ℃ for at least 1 h;
s7, stirring for 1h under the condition that the vacuum degree is 0.09 +/-0.005 MPa, keeping the vacuum state for 30 minutes, cooling, and relieving the vacuum;
and S8, adding the acrylic acid styrene-butadiene emulsion into the S7 system, uniformly stirring, adding the filler, and uniformly stirring to obtain a finished product.
Compared with the prior art, the invention has the advantages that the acrylic acid butylbenzene emulsion is adopted, and the polyether glycol and the isocyanate are matched, so that the repair performance is realized, and meanwhile, the waterproof effect is good.
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 embodiment 1 of the invention provides a waterproof coating for repairing, which comprises the following raw materials in parts by weight: 20-30 parts of acrylic styrene-butadiene emulsion, 50 parts of polyether polyol, 30 parts of isocyanate, 30 parts of filler, 10 parts of plasticizer, 0.5 part of wetting dispersant, 0.2 part of carbon dioxide inhibitor, 0.02 part of polymerization inhibitor and 0.1 part of catalyst.
Wherein the polyether polyol is selected from polyether PZ-200, polyether triol 330N and polyether diol 1000D according to the weight ratio of 3: 1: 2, the hydroxyl value of the polyether PZ-200 is 53.5-58.5mgKOH/g, the hydroxyl value of the polyether triol 330N is 32.5-35.5mgKOH/g, and the hydroxyl value of the polyether diol 1000D is 109-115mg KOH/g; the filler is talcum powder; the isocyanate is urethane modified isocyanate PZ 101; the plasticizer is dinonyl phthalate; the wetting dispersant is polyester modified polysiloxane; the catalyst is dibutyltin dilaurate; the polymerization inhibitor is benzoyl chloride; the acrylic acid styrene-butadiene emulsion is prepared from acrylic acid emulsion and styrene-butadiene emulsion according to the weight ratio of 2: 1 are mixed.
The preparation method of the embodiment 1 of the invention comprises the following steps:
s1, adding a plasticizer and a wetting dispersant into a polyurethane reaction kettle, uniformly stirring, and keeping the vacuum state and uniformly stirring for at least 2 hours under the conditions that the temperature is 95 +/-5 ℃ and the vacuum degree is 0.09 +/-0.005 MPa;
s2, after dehydration, detecting that the water content of the material is less than or equal to 0.01%, reducing the temperature to 85 ℃, decompressing, adding a polymerization inhibitor, and adjusting the pH value to 6-7;
s3, adding isocyanate into the S2 system, and stirring for at least 2 hours under the condition of 85 ℃ in a vacuum state;
s4, cooling the material to 70 ℃, adding the dried mixed polyether polyol, and reacting for at least 3h at the temperature of 70-75 ℃;
s5, cooling the material temperature to 60 ℃, adding the catalyst under the stirring state, and keeping the temperature for 30 min;
s6, adding a carbon dioxide inhibitor under stirring, and reacting at 60-65 ℃ for at least 1 h;
s7, stirring for 1h under the condition that the vacuum degree is 0.09 +/-0.005 MPa, keeping the vacuum state for 30 minutes, cooling, and relieving the vacuum;
and S8, adding the acrylic acid styrene-butadiene emulsion into the S7 system, uniformly stirring, adding the filler, and uniformly stirring to obtain a finished product.
Example 2
The embodiment 2 of the invention provides a waterproof coating for repairing, which comprises the following raw materials in parts by weight: 20-30 parts of acrylic styrene-butadiene emulsion, 50 parts of polyether polyol, 30 parts of isocyanate, 30 parts of filler, 10 parts of plasticizer, 0.5 part of wetting dispersant, 0.2 part of carbon dioxide inhibitor, 0.02 part of polymerization inhibitor and 0.1 part of catalyst.
Wherein the polyether polyol is selected from polyether PZ-200, polyether triol 330N and polyether diol 1000D according to the weight ratio of 3: 1: 2, the hydroxyl value of the polyether PZ-200 is 53.5-58.5mgKOH/g, the hydroxyl value of the polyether triol 330N is 32.5-35.5mgKOH/g, and the hydroxyl value of the polyether diol 1000D is 109-115mg KOH/g; the filler is talcum powder; the isocyanate is urethane modified isocyanate PZ 101; the plasticizer is dinonyl phthalate; the wetting dispersant is polyester modified polysiloxane; the catalyst is dibutyltin dilaurate; the polymerization inhibitor is benzoyl chloride; the acrylic acid styrene-butadiene emulsion is prepared from acrylic acid emulsion and styrene-butadiene emulsion according to the weight ratio of 2: 1 are mixed.
The preparation method of embodiment 2 of the invention comprises the following steps:
s1, adding a plasticizer and a wetting dispersant into a polyurethane reaction kettle, uniformly stirring, and keeping the vacuum state and uniformly stirring for at least 2 hours under the conditions that the temperature is 95 +/-5 ℃ and the vacuum degree is 0.09 +/-0.005 MPa;
s2, after dehydration, detecting that the water content of the material is less than or equal to 0.01%, reducing the temperature to 85 ℃, decompressing, adding a polymerization inhibitor, and adjusting the pH value to 6-7;
s3, adding isocyanate into the S2 system, and stirring for at least 2 hours under the condition of 85 ℃ in a vacuum state;
s4, cooling the material to 70 ℃, adding the dried mixed polyether polyol, and reacting for at least 3h at the temperature of 70-75 ℃;
s5, cooling the material temperature to 60 ℃, adding the catalyst under the stirring state, and keeping the temperature for 30 min;
s6, adding a carbon dioxide inhibitor under stirring, and reacting at 60-65 ℃ for at least 1 h;
s7, stirring for 1h under the condition that the vacuum degree is 0.09 +/-0.005 MPa, keeping the vacuum state for 30 minutes, cooling, and relieving the vacuum;
and S8, adding the acrylic acid styrene-butadiene emulsion into the S7 system, uniformly stirring, adding the filler, and uniformly stirring to obtain a finished product.
Comparative example
The invention provides a waterproof coating for repairing, which comprises the following raw materials in parts by weight: 20-30 parts of acrylic styrene-butadiene emulsion, 30 parts of filler, 10 parts of plasticizer, 0.5 part of wetting dispersant, 0.2 part of carbon dioxide inhibitor and 0.1 part of catalyst.
Wherein the filler is talcum powder; the plasticizer is dinonyl phthalate; the wetting dispersant is polyester modified polysiloxane; the catalyst is dibutyltin dilaurate; the polymerization inhibitor is benzoyl chloride; the acrylic acid styrene-butadiene emulsion is prepared from acrylic acid emulsion and styrene-butadiene emulsion according to the weight ratio of 2: 1 are mixed.
The preparation method of the comparison example comprises the following steps:
s1, adding a plasticizer and a wetting dispersant into a polyurethane reaction kettle, uniformly stirring, and keeping the vacuum state and uniformly stirring for at least 2 hours under the conditions that the temperature is 95 +/-5 ℃ and the vacuum degree is 0.09 +/-0.005 MPa;
s2, after dehydration, detecting that the water content of the material is less than or equal to 0.01 percent, and decompressing when the temperature is reduced to 85 ℃;
s3, cooling the material temperature to 60 ℃, adding the catalyst under the stirring state, and keeping the temperature for 30 min;
s4, adding a carbon dioxide inhibitor under stirring, and reacting at 60-65 ℃ for at least 1 h;
s5, stirring for 1h under the condition that the vacuum degree is 0.09 +/-0.005 MPa, keeping the vacuum state for 30 minutes, cooling, and relieving the vacuum;
and S6, adding the acrylic acid styrene-butadiene emulsion into the S5 system, uniformly stirring, adding the filler, and uniformly stirring to obtain a finished product.
The products of the inventive examples and the comparative examples were subjected to coating curing tests for physical properties, as shown in the following table.
Figure BDA0003240622080000041
Compared with the comparative example, the embodiment of the invention has the advantages that the acrylic acid butylbenzene emulsion is adopted, and the polyether glycol and the isocyanate are matched, so that the repair performance is realized, and meanwhile, the waterproof effect is good.
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 waterproof coating for repairing is characterized by comprising the following raw materials in parts by weight: 20-30 parts of acrylic styrene-butadiene emulsion, 40-50 parts of polyether polyol, 20-30 parts of isocyanate, 30-40 parts of filler, 10-20 parts of plasticizer, 0.2-0.5 part of wetting dispersant, 0.2-0.5 part of carbon dioxide inhibitor, 0.02-0.04 part of polymerization inhibitor and 0.05-0.1 part of catalyst.
2. The waterproof paint for repair as claimed in claim 1, wherein the polyether polyol is one or more selected from the group consisting of polyether PZ-200, polyether triol 330N, and polyether diol 1000D.
3. The waterproof paint for repair as claimed in claim 2, wherein the hydroxyl value of the polyether PZ-200 is from 53.5 to 58.5 mgKOH/g;
the N hydroxyl value of the polyether triol 330 is 32.5-35.5 mgKOH/g;
the hydroxyl value of the polyether diol 1000D is 109-115mg KOH/g.
4. The waterproof repair coating material of claim 1, wherein the filler is one or more of talc, calcium carbonate and fly ash.
5. The waterproof repair coating material of claim 1, wherein the isocyanate is one or both of urethane-modified isocyanate PZ101 and urethane-modified isocyanate PZ 201.
6. The waterproof paint for repair as claimed in claim 1, wherein said plasticizer is one or more selected from the group consisting of dinonyl phthalate, didecyl phthalate, glycol benzoate and diethyl sebacate.
7. The waterproof paint for repair according to claim 1, wherein the wetting dispersant is a polyester-modified polysiloxane compound.
8. The waterproof paint for repair as set forth in claim 1, wherein said catalyst is one or both of dibutyltin dilaurate and dialkyltin dimaleate.
9. The waterproof paint for repair as claimed in claim 1, wherein the polymerization inhibitor is benzoyl chloride.
10. The waterproof paint for repair as claimed in claim 1, wherein the preparation method comprises the steps of:
s1, adding a plasticizer and a wetting dispersant into a polyurethane reaction kettle, uniformly stirring, and keeping the vacuum state and uniformly stirring for at least 2 hours under the conditions that the temperature is 95 +/-5 ℃ and the vacuum degree is 0.09 +/-0.005 MPa;
s2, after dehydration, detecting that the water content of the material is less than or equal to 0.01%, reducing the temperature to 85 ℃, decompressing, adding a polymerization inhibitor, and adjusting the pH value to 6-7;
s3, adding isocyanate into the S2 system, and stirring for at least 2 hours under the condition of 85 ℃ in a vacuum state;
s4, cooling the material to 70 ℃, adding the dried mixed polyether polyol, and reacting for at least 3h at the temperature of 70-75 ℃;
s5, cooling the material temperature to 60 ℃, adding the catalyst under the stirring state, and keeping the temperature for 30-80 min;
s6, adding a carbon dioxide inhibitor under stirring, and reacting at 60-65 ℃ for at least 1 h;
s7, stirring for 1h under the condition that the vacuum degree is 0.09 +/-0.005 MPa, keeping the vacuum state for 30 minutes, cooling, and relieving the vacuum;
and S8, adding the acrylic acid styrene-butadiene emulsion into the S7 system, uniformly stirring, adding the filler, and uniformly stirring to obtain a finished product.
CN202111018591.1A 2021-09-01 2021-09-01 Waterproof coating for repairing Pending CN113604147A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1664032A (en) * 2005-03-24 2005-09-07 郑州大学 Modified water-proof acrylic acid paint
CN103450748A (en) * 2013-09-02 2013-12-18 厦门力嘉诚防水工程有限公司 Waterproof paint for crack repair
CN105969154A (en) * 2016-02-03 2016-09-28 河北朴智伟业防水材料有限公司 Transparent solvent-free single-component waterproof paint and preparation method thereof
WO2021022923A1 (en) * 2019-08-02 2021-02-11 江苏凯伦建材股份有限公司 Two-component osmotic reaction-type waterproof paint, preparation method therefor and use thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1664032A (en) * 2005-03-24 2005-09-07 郑州大学 Modified water-proof acrylic acid paint
CN103450748A (en) * 2013-09-02 2013-12-18 厦门力嘉诚防水工程有限公司 Waterproof paint for crack repair
CN105969154A (en) * 2016-02-03 2016-09-28 河北朴智伟业防水材料有限公司 Transparent solvent-free single-component waterproof paint and preparation method thereof
WO2021022923A1 (en) * 2019-08-02 2021-02-11 江苏凯伦建材股份有限公司 Two-component osmotic reaction-type waterproof paint, preparation method therefor and use thereof

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Application publication date: 20211105