WO2014017412A1 - Film de revêtement et matière de revêtement ayant une résistance aux intempéries de longue durée - Google Patents

Film de revêtement et matière de revêtement ayant une résistance aux intempéries de longue durée Download PDF

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Publication number
WO2014017412A1
WO2014017412A1 PCT/JP2013/069733 JP2013069733W WO2014017412A1 WO 2014017412 A1 WO2014017412 A1 WO 2014017412A1 JP 2013069733 W JP2013069733 W JP 2013069733W WO 2014017412 A1 WO2014017412 A1 WO 2014017412A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating film
fatty acid
base resin
metal salt
paint
Prior art date
Application number
PCT/JP2013/069733
Other languages
English (en)
Japanese (ja)
Inventor
光夫 樋口
元 熊谷
泰史 川村
Original Assignee
住化エンビロサイエンス株式会社
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
Priority claimed from JP2012166647A external-priority patent/JP2014024967A/ja
Priority claimed from JP2012166644A external-priority patent/JP2014024966A/ja
Application filed by 住化エンビロサイエンス株式会社 filed Critical 住化エンビロサイエンス株式会社
Publication of WO2014017412A1 publication Critical patent/WO2014017412A1/fr

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Classifications

    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic 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
    • C09D15/00—Woodstains
    • 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
    • C09D7/48—Stabilisers against degradation by oxygen, light or heat

Definitions

  • the present invention relates to a coating film having weather resistance that lasts for a long time and a coating material for forming such a coating film.
  • paints are the protection of the substrate that is applied to the substrate and protects against corrosion, deterioration, decay, etc. and the surface of the substrate is chemically, electrical, optical, thermal and biological Includes the addition of various functions.
  • it is required to have a long-term weather resistance that does not cause cracking, blistering, peeling, etc. due to deterioration of the coating film over a long period of time.
  • a function such as an insect repellent function or a fungicidal function is added, long-term weather resistance is required so that the active ingredient supporting ability is not lost due to deterioration of the coating film before the active ingredient exhibiting the function is lost. It is done.
  • the deterioration factor that affects the weather resistance of the coating film is basically light, and in addition to this, it is affected by secondary factors such as oxygen, ozone, environmental pollutants, rainfall, and temperature.
  • a method for improving the weather resistance a method of adding a pigment such as carbon black or titanium oxide having a light shielding effect, and a light stabilizer such as an ultraviolet absorber, a quencher and a hindered amine light stabilizer (HALS) alone are used.
  • a method of adding in combination a pigment such as carbon black or titanium oxide having a light shielding effect, and a light stabilizer such as an ultraviolet absorber, a quencher and a hindered amine light stabilizer (HALS) alone are used.
  • HALS hindered amine light stabilizer
  • the wood protective paint disclosed in Japanese Patent Application Laid-Open No. 2005-145900 is a group comprising red iron oxide, yellow iron oxide and carbon black in a paint containing a wood preservative and fungicide and a wood insect repellent as active ingredients. At least one pigment selected from the following is added.
  • UV stabilizers, quenchers, and light stabilizers such as HALS are known to exhibit satisfactory effects at an early stage, but their effects decrease over time. For this reason, in Japanese Patent Application Laid-Open No. 1-297179, ultraviolet absorbing glass powder is used in place of the ultraviolet absorber. Both UV absorbers and UV-absorbing glass absorb UV rays of harmful wavelengths contained in sunlight and convert them into harmless heat energy and release them. It is difficult to protect the coating film from light deterioration only with glass.
  • an object of the present invention is to provide a method for imparting long-lasting weather resistance to a coating film regardless of the base resin component constituting the coating film, and a coating material for realizing the method. .
  • the present invention provides a method for imparting long-lasting weather resistance to a coating film, comprising adding a fatty acid polyvalent metal salt known as metal soap to the coating film formed on the substrate surface. .
  • the present invention provides a coating composition
  • a coating composition comprising a base resin that forms a coating film, a solvent or dispersion medium for the base resin, a pigment, and a fatty acid polyvalent metal salt.
  • the metal species of the fatty acid polyvalent metal salt is selected from cobalt, manganese, copper or zinc, and the fatty acid is selected from octylic acid (2-ethylhexanoic acid), naphthenic acid or versatic acid.
  • the base resin is an alkyd resin or an acrylic resin.
  • the present invention can also be applied to a protective coating for protecting a substrate (substrate) or a coating containing an active ingredient for imparting a biological function such as an antifungal function and an insect repellent function. .
  • the anionic portion of metal soap is composed of rosin and tall oil fatty acids, saturated and unsaturated natural long chain aliphatic monocarboxylic acids having 7 to 22 carbon atoms, naphthenic acid, 2-ethylhexanoic acid, synthetic tertiary carboxylic acids ( Versatic acid).
  • the cationic moiety is a polyvalent light metal and heavy metal.
  • the main use of metal soaps is paint dryers that use polyvinyl chloride resin stabilizers, lubricant additives, catalysts, drying oils and alkyd resins as film-forming components.
  • the cation part of metal soap is Al, Ba, Bi, Ca, Ce, Co, Cr, Cu, Fe, Ga, Ge, In, La, Mg, Mn, Mo, Ni, Pb, Pd, Rh, Ru, Anionic moieties such as Sn, Sr, Ti, V, Y, Zn, and Zr are saturated and unsaturated long chain natural fatty acids, rosin and tall oil fatty acids, naphthenic acid, octylic acid (2-ethylhexanoic acid), synthetic third Examples of fatty acid polyvalent metal salts, such as secondary carboxylic acids (versatic acid), suitable for the purposes of the present invention are cobalt octylate, manganese octylate, zinc octylate, copper octylate, zirconium octylate, naphthenic acid Includes calcium, cobalt naphthenate, manganese naphthenate, zinc naphthenate, and copper naphthenate
  • the weather resistance of the coating film of the paint to which this is added lasts for a longer period of time compared to the coating film of the paint to which this is not added. This fact has never been known.
  • “weather resistance lasts for a long time” means that the initial weather resistance does not change significantly for a long time.
  • the useful life of a wood protective paint, which has been effective for about 2 years, is extended to 3 years or more.
  • the method of blending the fatty acid polyvalent metal salt into the paint is arbitrary.
  • a pigment and a conventional additive can be added to the base resin varnish and dispersed at the same time.
  • it may be added to the prepared paint before use.
  • the fatty acid polyvalent metal salt which is liquid at normal temperature can be used as it is for mixing with the paint, it is preferably used in the form of a preparation convenient for mixing with the paint or its base resin varnish.
  • liquid agents such as solutions and dispersions are suitable, and the solvent is an organic solvent for paint.
  • the fatty acid polyvalent metal salt that is liquid or solid at room temperature can be used as it is for mixing with the paint, it is preferably used in the form of a formulation convenient for mixing with the paint or its base resin varnish.
  • oil agent, emulsion, emulsion agent, microemulsion agent, flowable agent, suspoemulsion agent and the like can be mentioned.
  • the solvent used in this preparation is not particularly limited as long as the paint and the fatty acid polyvalent metal salt are dissolved or dispersed.
  • Solvents used in the preparation of the fatty acid metal salt of the present invention include aromatic or aliphatic hydrocarbons (xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosene, terpenes, light oil, white kerosene, hexane, cyclohexane, etc.) , Halogenated hydrocarbons (chlorobenzene, dichloromethane, dichloroethane, trichloroethane, etc.), alcohols (methanol, ethanol, 2-propanol, butanol, hexanol, benzyl alcohol), glycols (ethylene glycol, etc.), ethers (diethyl ether, Ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran, dioxane ), Esters
  • Base resin components constituting the coating film are acrylic resin, vinyl chloride-vinyl acetate copolymer resin, vinylidene fluoride resin, polyvinyl alcohol, polyvinyl acetal, nitrocellulose, cellulose acetate butyrate and other thermoplastic resins, and alkyd resins, Thermosetting resins such as amino alkyd resins, silicone resins, epoxy resins, unsaturated polyester resins, thermosetting acrylic resins, polyurethane resins, phenol resins, urea resins, and melamine resins. Further, from the viewpoint of the drying or curing mechanism of the coating film, a normal drying type, a baking type, an ultraviolet curing type, an electron beam curing type, and the like are included. There is also a two-component paint in which the base resin and its curing agent are provided separately and mixed immediately before use. Since the composition of the paint is well known in the industry, no further detailed explanation will be necessary.
  • the present invention can be applied to a paint that protects a material with a coating film itself, or a paint that contains an active ingredient for imparting a specific function.
  • the material of the object to be coated is metal, particularly steel, wood, plastic, concrete, glass, and the like, and is particularly applicable to buildings, facilities, furniture, etc. using these materials outdoors.
  • the material is wood, specifically, outdoor shutters, window frames, window lattices, verandas, gates, fences, log houses, balconies, wooden shelves, pergola, wooden decks, lattices, garden tables, garden chairs, wood Plant wood, and interior wood such as walls, ceilings, pillars, window frames, doors, door frames, etc.
  • wood as used herein includes not only lumber such as pillars and boards, but also laminated wood, plywood, veneer laminate, particle board, fiber board, strand board, and the like. It does not matter whether the tree type is coniferous or hardwood.
  • the amount of fatty acid polyvalent metal salt added to the paint does not adversely affect the performance of the paint, and significantly increases the duration of the weather resistance of the formed coating film compared to the paint without addition. Must be sufficient. This amount is at least 0.001% by weight of the base resin (as a solid content) constituting the coating film as the fatty acid metal salt.
  • the amount added to a specific paint varies depending on the type of base resin, the drying or curing method, the composition of the fatty acid polyvalent metal salt, etc., but is usually about 5% by weight, preferably about 3% by weight, more preferably about 2% by weight. Will.
  • the paint may contain a solvent, a pigment and a conventional paint additive in addition to the fatty acid polyvalent metal salt and the agent for imparting functionality.
  • conventional additives are dispersants, plasticizers, leveling agents, antifoaming agents, thickeners, stabilizers, anti-skinning agents, antifungal agents, antiseptics, antifreeze agents, antioxidants, etc. .
  • the fatty acid polyvalent metal salt is not necessary because it is effective for improving weather resistance alone, but an ultraviolet absorber or HALS may be used in combination.
  • the weather resistance of the paint is determined by exposing the test panel coated with the test paint to the natural environment for at least one year, changing appearance, degree of discoloration ( ⁇ E), decreasing rate of gloss (60 ° gloss), peeling It is common to evaluate by a peeling test. Even in the accelerated weather resistance test, the evaluation items are basically the same.
  • the present inventors have found that weather resistance can be evaluated by measuring changes in water repellency and contact angle of the coating film over time in addition to or instead of these items. This is because the water repellency and the contact angle decrease in proportion to the progress of the deterioration of the coating film.
  • fatty acid polyvalent metal salt preparation and paint fatty acid polyvalent metal salt As fatty acid polyvalent metal salt preparation and paint fatty acid polyvalent metal salt, Octlife (registered trademark) ZnS (Zinc octylate-free solvent, Zn content 22.5%, manufactured by Sumika Enviro Science Co., Ltd.) and A zinc octylate solution (zinc concentration 10%) obtained by stirring and mixing 50 parts of the active ingredient and 50 parts of Pegasol AS-100 (mineral spirit, manufactured by ExxonMobil) was used.
  • Octlife registered trademark
  • ZnS Zinc octylate-free solvent, Zn content 22.5%, manufactured by Sumika Enviro Science Co., Ltd.
  • a zinc octylate solution zinc concentration 10%
  • Test paint 2 Same as Test Paint 1 except that 0.02 part zinc octylate solution was used instead of 0.02 part zinc octylate base.
  • Test paint 3 0.02 part of zinc octylate base is added to 99.98 parts by weight of commercially available wood protective paint xyladecol (Parisanda color, alkyd resin 20%, other components 80%, manufactured by Nippon Enviro Chemicals Co., Ltd.), and mixed by stirring. did.
  • Test paint 4 Same as Test Paint 3 except that 0.02 part zinc octylate solution was used instead of 0.02 part zinc octylate base.
  • Comparative paint 1 The commercially available wood protective paint Sadlin Classic was used as the comparative paint 1 as it was.
  • Comparison paint 2 A commercially available wood protective paint, xyladecol, was used as the comparative paint 2 as it was.
  • test paint 1 of the test coated plate 4 and the comparative coatings 1-2 respectively cedar plate (length 200 mm, width 90 mm, thickness 18 mm) to all one side of, brushing the coating amount of 75 g / m 2 And dried at room temperature overnight to prepare a test coating plate.
  • test coating plate was fixed on a horizontal test stand installed outdoors, exposed to the natural environment for 1 year and 6 months, and evaluated for changes in appearance, water repellency and contact angle after visual exposure.
  • Test paints 1 and Comparative Paint 1 respectively cedar plate (length 60 mm, width 90 mm, thickness 18 mm) one side of the half of the area (length 60 mm, width 45 mm) of the, 75 g A brush was applied at a coating amount of / m 2 and dried overnight at room temperature to prepare a test coating film.
  • ⁇ Visual appearance evaluation and contact angle measurement are the same as those for the outdoor exposure test.
  • the measuring method of the water repellency is the same as the measuring method in the outdoor exposure test except that the amount of distilled water dripped onto the coating surface is changed to 0.5 g.
  • Table 1 and Table 2 are by adding the fatty acid polyvalent metal salts in the coating, it is clear that can improve the weather resistance of the coating film formed on a coating object surface.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un procédé pour améliorer la résistance aux intempéries d'un film de revêtement formé sur la surface d'une matière de base pour sa protection. Ce procédé comprend l'addition à un film de revêtement d'un sel métallique d'acide gras dans une quantité d'au moins 0,001 % du poids d'une résine de base constituant le film de revêtement. L'invention concerne également une composition de matière de revêtement pour former un film de revêtement de résistance aux intempéries améliorée, la composition de matière de revêtement comprenant une résine de base, un milieu de solvatation ou un milieu de dispersion pour la résine de base et un pigment, et comprenant en outre un sel métallique polyvalent d'acide gras dans une quantité d'au moins 0,001 % du poids de la résine de base.
PCT/JP2013/069733 2012-07-27 2013-07-22 Film de revêtement et matière de revêtement ayant une résistance aux intempéries de longue durée WO2014017412A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012166647A JP2014024967A (ja) 2012-07-27 2012-07-27 木材保護塗料用塗膜劣化防止組成物
JP2012-166647 2012-07-27
JP2012166644A JP2014024966A (ja) 2012-07-27 2012-07-27 塗膜劣化防止組成物
JP2012-166644 2012-07-27

Publications (1)

Publication Number Publication Date
WO2014017412A1 true WO2014017412A1 (fr) 2014-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015178582A (ja) * 2014-03-20 2015-10-08 住化エンバイロメンタルサイエンス株式会社 アレルゲン低減化組成物

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723660A (en) * 1980-06-03 1982-02-06 Du Pont Improved water alkyd resin coating composition
JPS58185659A (ja) * 1982-04-24 1983-10-29 Dainippon Toryo Co Ltd 水系塗料組成物
JPH024879A (ja) * 1988-06-22 1990-01-09 Nissan Motor Co Ltd ウレタンタイプの非水性プラスチック用塗料組成物
JPH02245069A (ja) * 1989-03-17 1990-09-28 Nippon Oil Co Ltd 塗膜保護用水性組成物
JPH05320544A (ja) * 1992-05-15 1993-12-03 Kansai Paint Co Ltd カチオン電着塗料組成物
JPH09279092A (ja) * 1996-04-16 1997-10-28 Kansai Paint Co Ltd 被覆用組成物
JPH10338824A (ja) * 1996-12-27 1998-12-22 Nittetsu Boruten Kk 螺合締結部材用の防錆塗料組成物、螺合締結部材および螺合締結装置
JP2002355806A (ja) * 2001-03-05 2002-12-10 Illinois Tool Works Inc <Itw> 木材置換システム

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723660A (en) * 1980-06-03 1982-02-06 Du Pont Improved water alkyd resin coating composition
JPS58185659A (ja) * 1982-04-24 1983-10-29 Dainippon Toryo Co Ltd 水系塗料組成物
JPH024879A (ja) * 1988-06-22 1990-01-09 Nissan Motor Co Ltd ウレタンタイプの非水性プラスチック用塗料組成物
JPH02245069A (ja) * 1989-03-17 1990-09-28 Nippon Oil Co Ltd 塗膜保護用水性組成物
JPH05320544A (ja) * 1992-05-15 1993-12-03 Kansai Paint Co Ltd カチオン電着塗料組成物
JPH09279092A (ja) * 1996-04-16 1997-10-28 Kansai Paint Co Ltd 被覆用組成物
JPH10338824A (ja) * 1996-12-27 1998-12-22 Nittetsu Boruten Kk 螺合締結部材用の防錆塗料組成物、螺合締結部材および螺合締結装置
JP2002355806A (ja) * 2001-03-05 2002-12-10 Illinois Tool Works Inc <Itw> 木材置換システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015178582A (ja) * 2014-03-20 2015-10-08 住化エンバイロメンタルサイエンス株式会社 アレルゲン低減化組成物

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