CN112795287A - Low-viscosity high-solid environment-friendly coating - Google Patents

Low-viscosity high-solid environment-friendly coating Download PDF

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Publication number
CN112795287A
CN112795287A CN202011615792.5A CN202011615792A CN112795287A CN 112795287 A CN112795287 A CN 112795287A CN 202011615792 A CN202011615792 A CN 202011615792A CN 112795287 A CN112795287 A CN 112795287A
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China
Prior art keywords
low
coating
viscosity high
viscosity
friendly coating
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CN202011615792.5A
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Chinese (zh)
Inventor
刘道海
葛占国
信兆刚
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Tianheng Paint Co ltd
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Tianheng Paint Co ltd
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Priority to CN202011615792.5A priority Critical patent/CN112795287A/en
Publication of CN112795287A publication Critical patent/CN112795287A/en
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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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
    • 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
    • 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
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates

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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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a low-viscosity high-solid environment-friendly coating which comprises the following components: low-viscosity high-sterol acid resin, 996 titanium dioxide, phthalocyanine blue BGS, precipitated barium sulfate, JF-38 bentonite, D40 solvent oil, a rare earth dry material and a cobalt dry material. The low-viscosity high-solid environment-friendly coating provided by the invention has the characteristics of excellent covering power performance, good drying performance, no tendency and sagging of a coating layer, thick coating and the like, is mainly used for coating various substrates such as steel structural members, industrial machinery, buildings and the like, and has the characteristics of low production cost, convenience in construction, small environmental influence and the like.

Description

Low-viscosity high-solid environment-friendly coating
Technical Field
The invention belongs to the field of coatings, and particularly relates to a low-viscosity high-solid environment-friendly coating.
Background
High solids coatings, coatings with relatively low molecular mass and high solids content. Such as low solvent polyester coatings, and the like. Characterized in that the amount of volatile solvent and the construction number can be reduced. Is an energy-saving coating. It can be used for brushing products in the aspects of light industry, handwork, spinning, electromechanics, instruments and the like.
CN101280055B discloses an environment-friendly alkyd resin with high solid content and low viscosity, which has low organic solvent content and high solid content, and a preparation method thereof. The acid value of the high-solid low-viscosity environment-friendly alkyd resin is less than or equal to 10mg KOH/g, the non-volatile matter is 63-67%, and the viscosity is 50-110 s/25 ℃; the alkyd resin is prepared by the following steps: under the catalysis of an organic tin catalyst, gradually heating terephthalic acid, oleic acid with the iodine value of more than 120, rosin and glycerol in a reflux solvent to carry out esterification reaction, cooling after the reaction is finished, and adjusting the non-volatile components and the viscosity to obtain a final product; the weight ratio of the terephthalic acid, the oleic acid, the rosin, the glycerol, the organic tin catalyst and the reflux solvent is 10-20: 20-30: 12-18: 10-15: 0.10-0.20: 1.0-5.0.
CN102993925A discloses a self-drying alkyd resin coating with high solid content and a preparation method thereof. The air-drying alkyd resin coating with high solid content is characterized by mainly comprising the following components in parts by weight: high-solid alkyd resin (1), titanium white, calcium carbonate, rosin water, glass beads, high-solid alkyd resin (2), cobalt naphthenate, lead naphthenate, methyl ethyl ketoxime and the like. The high-solid alkyd resin coating generally refers to a coating with a solid content of more than 70% and an organic solvent of less than 20% abroad, the conventional alkyd resin process cannot ensure that the solid content of the coating reaches the standard, and because the conventional alkyd resin has long molecular chain, high molecular weight and viscosity which is increased along with the increase of the molecular weight, a large amount of solvent is added for dilution during paint preparation or construction, so that the requirement can be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the low-viscosity high-solid environment-friendly coating with excellent covering power performance and good drying performance.
In order to achieve the purpose, the invention is realized according to the following steps:
the environment-friendly coating with low viscosity and high solid comprises the following components:
Figure BDA0002871915820000012
Figure BDA0002871915820000021
moreover, the solid content of the alkyd resin is high and can reach 75-78%, the viscosity is 28S, the Grignard pipe and the short oil length resin are less than 2# iron-cobalt number, generally 0-1 # (when the vegetable oil is less than 6 #), and the medium and long oil length resin are less than 6 #.
Compared with the prior art, the invention has the beneficial effects that:
the low-viscosity high-solid environment-friendly coating provided by the invention has the characteristics of excellent covering power performance, good drying performance, no tendency and sagging of a coating layer, thick coating and the like, is mainly used for coating various substrates such as steel structural members, industrial machinery, buildings and the like, and has the characteristics of low production cost, convenience in construction, small environmental influence and the like.
Detailed description of the invention
The following examples are intended to further illustrate the invention, but not to limit the scope of the invention. Any changes made in the art upon reading this disclosure are to be considered equivalents thereof.
Example 1
The low-viscosity high-solid environment-friendly coating comprises the following components in parts by weight:
Figure BDA0002871915820000022
the solid content of the alkyd resin is high and can reach 75-78%, the viscosity is 28S, the Grignard reaction tube is adopted, the short oil length resin is less than 2# iron-cobalt number, generally, the number is 0-1 # (when the vegetable oil is less than 6 #), and the medium and long oil length resin is less than 6 #.
The low-viscosity high-solid environment-friendly coating provided by the invention comprises the following steps:
adding titanium dioxide, phthalocyanine blue BGS, precipitated barium sulfate and JF-38 bentonite into a mixing disperser according to the formula, fully mixing and dispersing to 15-25 mu m, adding low-viscosity high-sterol acid resin, D40 solvent oil, rare earth dry material and cobalt dry material, uniformly mixing, and filtering to obtain the coating.
Example 2
The hyperbranched epoxy primer comprises the following components in parts by weight:
Figure BDA0002871915820000031
the preparation method is the same as that of example 1
The technical scheme described in the two embodiments of the invention has the following detection data:
item Results
Paint color and appearance Uniform, particle-free, pinhole-free bubbles
Time to surface dry 4-5min
Actual drying time/h 2
Hardness of pencil 3H
Cross-cut adhesion/grade 0
Impact resistance (kg. cm) 100
Flexibility (cylindrical shaft bending) 0.8
Gasoline resistance (10h) By passing
Engine oil resistant By passing
Gasoline resistant By passing
Diesel resistant oil By passing
Artificially accelerated aging Qualified

Claims (3)

1. The low-viscosity high-solid environment-friendly coating is characterized by comprising the following components in parts by weight: comprises the following components:
Figure FDA0002871915810000011
2. the low viscosity high solid environment-friendly coating according to claim 1, characterized in that: the solid content of the low-viscosity high-sterol acid resin is 75%.
3. The low viscosity high solid environment-friendly coating according to claim 1, characterized in that: the solid content of the low-viscosity high-sterol alkyd resin is high and can reach 75-78%, the viscosity is 28S, the short oil length resin is less than 2# Fe-Co number, generally 0-1 # and the medium and long oil length resin is less than 6 #.
CN202011615792.5A 2020-12-30 2020-12-30 Low-viscosity high-solid environment-friendly coating Pending CN112795287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011615792.5A CN112795287A (en) 2020-12-30 2020-12-30 Low-viscosity high-solid environment-friendly coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011615792.5A CN112795287A (en) 2020-12-30 2020-12-30 Low-viscosity high-solid environment-friendly coating

Publications (1)

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CN112795287A true CN112795287A (en) 2021-05-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280055A (en) * 2008-04-30 2008-10-08 杭州油漆有限公司 High-solid lower-viscosity environment-friendly alkide resin and preparation thereof
CN102993925A (en) * 2012-10-12 2013-03-27 张家港市永法涂料有限公司 Air-drying type alkyd resin paint with high solid content and preparation method ofe air-drying type alkyd resin paint
CN104497286A (en) * 2014-01-26 2015-04-08 南京长江涂料有限公司 Renewable alkyd resin with high solid portion and preparation method of enamel paint
CN105669961A (en) * 2016-02-02 2016-06-15 成都杰晟蜀邦新材料科技有限公司 Highly branched alkyd resin with high solid content and low viscosity and preparation method of alkyd resin
CN106046332A (en) * 2016-05-30 2016-10-26 山东齐鲁漆业有限公司 Low-VOC-content alkyd resin and application of low-VOC-content alkyd resin in coating
CN107434847A (en) * 2017-09-26 2017-12-05 广东美涂士建材股份有限公司 A kind of net taste alkyd resin of high-solid lower-viscosity rapid draing and preparation method and application

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280055A (en) * 2008-04-30 2008-10-08 杭州油漆有限公司 High-solid lower-viscosity environment-friendly alkide resin and preparation thereof
CN102993925A (en) * 2012-10-12 2013-03-27 张家港市永法涂料有限公司 Air-drying type alkyd resin paint with high solid content and preparation method ofe air-drying type alkyd resin paint
CN104497286A (en) * 2014-01-26 2015-04-08 南京长江涂料有限公司 Renewable alkyd resin with high solid portion and preparation method of enamel paint
CN105669961A (en) * 2016-02-02 2016-06-15 成都杰晟蜀邦新材料科技有限公司 Highly branched alkyd resin with high solid content and low viscosity and preparation method of alkyd resin
CN106046332A (en) * 2016-05-30 2016-10-26 山东齐鲁漆业有限公司 Low-VOC-content alkyd resin and application of low-VOC-content alkyd resin in coating
CN107434847A (en) * 2017-09-26 2017-12-05 广东美涂士建材股份有限公司 A kind of net taste alkyd resin of high-solid lower-viscosity rapid draing and preparation method and application

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