WO2015133875A1 - Procédé de revêtement du bois de charpente et d'un matériau à base de pâte à papier à l'aide d'un polymère composite de silsesquioxane - Google Patents

Procédé de revêtement du bois de charpente et d'un matériau à base de pâte à papier à l'aide d'un polymère composite de silsesquioxane Download PDF

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WO2015133875A1
WO2015133875A1 PCT/KR2015/002219 KR2015002219W WO2015133875A1 WO 2015133875 A1 WO2015133875 A1 WO 2015133875A1 KR 2015002219 W KR2015002219 W KR 2015002219W WO 2015133875 A1 WO2015133875 A1 WO 2015133875A1
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methyl
pomma
phenyl
glyp
eche
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PCT/KR2015/002219
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English (en)
Korean (ko)
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최승석
유재원
남동진
김두식
최지식
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주식회사 동진쎄미켐
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Priority claimed from KR1020150031684A external-priority patent/KR20150105608A/ko
Publication of WO2015133875A1 publication Critical patent/WO2015133875A1/fr

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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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/13—Silicon-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
    • B05D7/08—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood using synthetic lacquers or varnishes
    • B05D7/10—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood using synthetic lacquers or varnishes based on cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms

Definitions

  • the present invention relates to a wood and pulp coating method using a silsesquioxane composite polymer, and more particularly, to a silsesqui including linear silsesquioxane chain and cage-type silsesquioxane having a specific structure in one polymer.
  • a silsesquioxane composite polymer By coating the surface of wood and pulp using oxane composite polymer, not only the coating process is easy but also the formed coating layer has very high surface hardness without modifying the morphology and color of wood and pulp.
  • the present invention relates to a wood and pulp coating method using a silsesquioxane composite polymer having transparency, scratch resistance, antifouling properties, thermal stability and durability, and excellent adhesion to wood and pulp substrates.
  • wood and pulp are materials that are created in nature and are used for various purposes while maintaining their unique texture and color.
  • wood and pulp have a lack of water resistance, moisture resistance, transparency, scratch resistance, antifouling properties, thermal stability and durability, and the demand for supplementation is emerging.
  • Korean Patent Publication No. 10-2000-0038404 discloses 45-55% by weight of acrylic resin, 0.5-1.5% by weight of urea resin, 0.5-1.5% by weight of crosslinking agent, 0.8-1.6% by weight of thickener, and 0.5-% of vinyl alcohol.
  • a method of strengthening the waterproof and moisture proof properties of wood by coating a coating agent consisting of 1.5% by weight and 45-55% by weight of water is disclosed, and in the Republic of Korea Patent Publication No.
  • 10-2014-0019410 -hydroxyl-functional polyurethane A method of coating wood with excellent durability and wear resistance using a polyacrylate dispersion, a polyurethane dispersion, a coating liquid comprising at least partially hydrophilized polyisocyanate and a quencher ⁇ 0 wt% to ⁇ 10 wt%
  • a polyacrylate dispersion a polyurethane dispersion, a coating liquid comprising at least partially hydrophilized polyisocyanate and a quencher ⁇ 0 wt% to ⁇ 10 wt%
  • the present invention not only facilitates the coating process by coating with a coating solution on the surface of wood and pulp, but also forms a coating layer on a very high surface without modifying the morphology and color of the wood and pulp.
  • An object of the present invention is to provide a wood and pulp coating method having hardness, excellent water resistance, moisture resistance, transparency, scratch resistance, antifouling property, thermal stability and durability, and excellent adhesion to wood and pulp substrates.
  • the present invention has a very high surface hardness on the surface without modifying the morphology and color of the wood and pulp, has excellent waterproof properties, moisture proof properties, transparency, scratch resistance, antifouling properties, thermal stability and durability, wood And it is an object to provide a wood and pulp having a coating layer excellent in adhesion to the pulp substrate.
  • the present invention is a wood and pulp, characterized in that the coating and curing wood and pulp coating composition comprising a silsesquioxane composite polymer represented by any one of the following formulas 1 to 9 on the wood or pulp surface Provide a coating method:
  • Each Y is independently O, NR 21 or [(SiO 3/2 R) 4 + 2n O], at least one is [(SiO 3/2 R) 4 + 2n O],
  • Each X is independently R 22 or [(SiO 3/2 R) 4 + 2n R], at least one is [(SiO 3/2 R) 4 + 2n R],
  • R, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , R 22 are each independently hydrogen; heavy hydrogen; halogen; Amine groups; Epoxy groups; Cyclohexyl epoxy group; (Meth) acryl group; Siol group; Isocyanate group; Nitrile group; Nitro group; Phenyl group; C 1 -C 40 alkyl groups which are unsubstituted or substituted with deuterium, halogen, amine groups, epoxy groups, (meth) acryl groups, siol groups, isocyanate groups, nitrile groups, nitro groups, and phenyl groups; C 2 -C 40 alkenyl group; C 1 ⁇ C 40 Alkoxy group; C 3 -C 40
  • a and d are each independently an integer of 1 to 100,000, preferably a is 3 to 1000, d is 1 to 500, more preferably a is 5 to 300, d is 2 to 100,
  • b are each independently an integer of 1 to 500
  • e are each independently 1 or 2, preferably 1,
  • n is independently an integer of 1-20, Preferably it is 3-10.
  • the present invention provides a wood and pulp coating composition
  • a wood and pulp coating composition comprising a silsesquioxane composite polymer represented by any one of Formulas 1 to 9.
  • the present invention is characterized in that the silsesquioxane composite polymer coating comprising a cured product coated with a wood and pulp coating composition comprising a silsesquioxane composite polymer represented by any one of the formulas (1) to (9) above Provide wood and pulp.
  • the present invention also provides an article comprising the silsesquioxane composite polymer coated wood and pulp.
  • Wood and pulp coating method according to the invention is coated by coating the surface of wood and pulp using a silsesquioxane composite polymer comprising a linear silsesquioxane chain and cage-type silsesquioxane of a specific structure in one polymer Not only is the process easy, but the coating layer formed has very high surface hardness without altering the morphology and color of the wood and pulp, and has excellent waterproof, moisture proof, transparency, scratch resistance, antifouling, thermal stability and durability. It has excellent adhesion to wood and pulp base materials, so it has a variety of materials including wood furniture, wood building interior and exterior materials, wood accessories, wood and public facilities, paper including pulp material, paper and paper, etc. It can be usefully applied to the product.
  • Example 6 is a photograph of the results of measuring the waterproofing properties of wood as a coating composition of Example 6 of the present invention.
  • the left side is wood which is not coated with the wood coating composition
  • the right side is wood which is coated with the wood coating composition of the present invention.
  • Example 6 is a photograph of the results of measuring the waterproof properties of the paper with a coating composition of Example 6 of the present invention.
  • Wood and pulp coating method of the present invention is characterized in that the wood and pulp coating and curing wood and pulp coating composition comprising a silsesquioxane composite polymer represented by any one of the following formulas 1 to 9 on the wood and pulp surface Provide a coating method:
  • Each Y is independently O, NR 21 or [(SiO 3/2 R) 4 + 2n O], at least one is [(SiO 3/2 R) 4 + 2n O],
  • Each X is independently R 22 or [(SiO 3/2 R) 4 + 2n R], at least one is [(SiO 3/2 R) 4 + 2n R],
  • R, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , R 22 are each independently hydrogen; heavy hydrogen; halogen; Amine groups; Epoxy groups; Cyclohexyl epoxy group; (Meth) acryl group; Siol group; Isocyanate group; Nitrile group; Nitro group; Phenyl group; C 1 -C 40 alkyl groups which are unsubstituted or substituted with deuterium, halogen, amine groups, epoxy groups, (meth) acryl groups, siol groups, isocyanate groups, nitrile groups, nitro groups, and phenyl groups; C 2 -C 40 alkenyl group; C 1 ⁇ C 40 Alkoxy group; C 3 -C 40
  • a and d are each independently an integer of 1 to 100,000, preferably a is 3 to 1000, d is 1 to 500, more preferably a is 5 to 300, d is 2 to 100,
  • b are each independently an integer of 1 to 500
  • e are each independently 1 or 2, preferably 1,
  • n is independently an integer of 1-20, Preferably it is 3-10.
  • the wood and pulp coating method of the present invention and the wood and pulp coating composition used therein have the repeat units of [A] a and [D] d, and optionally have the repeat units of [B] b or [E] e.
  • the surface hardness, waterproof property, moisture proof property, transparency, scratch resistance, antifouling property against wood and pulp can be achieved only by forming a single coating layer through a solution process. Properties, thermal stability and durability.
  • the wood to be coated in the present invention is not particularly limited as long as it is made of wood, and includes not only natural wood but also plywood and fiberboard (including MDF).
  • the pulp that is the subject of the coating of the present invention is an aggregate of cellulose fibers obtained by a mechanical, chemical or intermediate method in wood or other fiber plants, and is originally composed of a large amount of water and is in the form of porridge. It means the wetted material dehydrated by the method of pressing, etc.
  • the raw materials of pulp include cotton wool fibers and rice plants such as bamboo, straw, asparto and bagasse. Stems, stems of manila hemp, hemp, flax, doc, hemp, and bark, but not limited thereto, including, but not limited to, Korean paper (including paper and machine paper) and sunny paper (paper, cardboard). Paper), and the like.
  • R 1 , R 2 , R 16 , D, a and d are the same as defined in Chemical Formulas 1 to 9.
  • a third step of condensation reaction by adding a basic catalyst to the reactor after step 2 to convert the reaction solution to basic.
  • the pH of the reaction solution of the first step of the present invention in the method for preparing the formula 1 to 6 is 9 to 11.5, the pH of the reaction solution of the second step is preferably 2 to 4, The pH of the reaction solution of the third step is preferably 8 to 11.5, and the pH of the reaction solution of the fourth step of introducing Ee is preferably 1.5 to 4.
  • the pH of the reaction solution of the first step of the present invention in the method for preparing the formula 1 to 6 is 9 to 11.5
  • the pH of the reaction solution of the second step is preferably 2 to 4
  • the pH of the reaction solution of the third step is preferably 8 to 11.5, and the pH of the reaction solution of the fourth step of introducing Ee is preferably 1.5 to 4.
  • the yield of the silsesquioxane composite polymer prepared is high, but also the mechanical properties of the manufactured silsesquioxane composite polymer can be improved.
  • step 1 Mixing a basic catalyst and an organic solvent in a reactor, and then adding an organic silane compound and preparing two types of Chemical Formula 10 in which the degree of condensation is controlled;
  • the reaction solution was adjusted to acid by adding an acidic catalyst to the reactor, and then an organic silane compound was added.
  • a second step of stirring A third step of performing a condensation reaction by converting the reaction solution into basic by adding a basic catalyst to the reactor after each two-step reaction; Condensing and connecting two or more substances obtained through the three steps under basic conditions; A fifth step of adding an acidic catalyst to the reactor for introducing [D] d (OR 13 ) 2 after the fourth step to adjust the reaction solution to acid, followed by adding and stirring an organic silane compound; And a sixth step of performing a condensation reaction by converting the reaction solution into basic by adding a basic catalyst to the reactor after the five step reaction.
  • the pH of the reaction solution of the first step is 9 to 11.5, the pH of the reaction solution of the second step is preferably 2 to 4 in the method for preparing the polymer of Formula 7 to 9,
  • the pH of the reaction solution of the third stage is preferably 8 to 11.5, the pH of the reaction solution of the fourth stage is preferably 9 to 11.5, the pH of the reaction solution of the fifth stage is preferably 2 to 4, It is preferable that it is 8-11.5 of the reaction liquid of a 6th step, and it is preferable that pH of the reaction liquid of the 7th step which introduces Ee is 1.5-4.
  • the yield of the silsesquioxane composite polymer prepared is high, but also the mechanical properties of the manufactured silsesquioxane composite polymer can be improved.
  • the terminal may further include a repeating unit of [E] e.
  • a mixed catalyst of two or more basic catalysts is preferably used as a basic catalyst, and neutralized and acidified with an acidic catalyst to induce rehydrolysis, and again two or more basic catalysts. Acidity and basicity can be continuously controlled in one reactor by proceeding to basic condensation using a mixed catalyst of.
  • the basic catalyst may be prepared by appropriately combining two or more materials selected from a metal based catalyst and an amine based catalyst selected from the group consisting of Li, Na, K, Ca and Ba.
  • the amine based catalyst may be tetramethylammonium hydroxide (TMAH)
  • the metallic basic catalyst may be potassium hydroxide (KOH) or sodium bicarbonate (NaHCO 3 ).
  • the content of each component in the mixed catalyst is preferably in the ratio of 10 to 90: 10 to 90 parts by weight of the ratio of the amine basic catalyst and the metal basic catalyst can be arbitrarily adjusted.
  • the reactivity between the functional group and the catalyst may be minimized during hydrolysis, and thus, the defects of organic functional groups such as Si-OH or Si-alkoxy may be significantly reduced, thereby freely controlling the degree of condensation.
  • the acidic catalyst may be used without limitation so long as it is an acidic material commonly used in the art, for example, may be used a general acidic material such as HCl, H 2 SO 4 , HNO 3 , CH 3 COOH, Organic acids such as latic acid, tartaric acid, maleic acid and citric acid can also be applied.
  • the organic solvent may be used without limitation as long as it is an organic solvent commonly used in the art.
  • organic solvent commonly used in the art.
  • solvents such as nit
  • the silsesquioxane composite polymer of the present invention may be R, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , Organosilanes comprising R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , R 22 can be used
  • the organic silane compound containing a phenyl group or an amino group having an effect of improving the chemical resistance of the silsesquioxane composite polymer to improve the non-swelling property, or the mechanical strength and hardness of the cured layer by increasing the curing density of the composite polymer
  • the organosilane compound containing the epoxy group or (meth) acryl group which has the effect of improving the can be used.
  • organosilane compound examples include (3-glycidoxypropyl) trimethoxysilane, (3-glycidoxypropyl) triethoxysilane, (3-glycidoxypropyl) methyldimethoxysilane, (3 -Glycidoxy propyl) dimethyl ethoxy silane, 3- (methacryloxy) propyl trimethoxy silane, 3, 4- epoxy butyl trimethoxy silane, 3, 4- epoxy butyl triethoxy silane, 2- (3 , 4-epoxycyclohexyl) ethyltrimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltriethoxysilane, aminopropyltriethoxysilane, vinyltriethoxysilane, vinyltri-t-butoxy Silane, vinyltriisobutoxysilane, vinyltriisopropoxysilane, vinyltriphenoxysilane, phenyltriethoxysilane,
  • n of the [(SiO 3/2 R) 4 + 2n O] structure introduced into the repeating unit [D] d of the above formulas may be substituted with an integer of 1 to 20, preferably 3 to 10, and More preferably, the average n value is 4 to 5, for example, when n is 4, the substituted structure is represented by Formula 11 below:
  • R is as defined above.
  • n of the [(SiO 3/2 R) 4 + 2n R] structure introduced into the repeating units [B] b or [E] e of the above formulas may be substituted with an integer of 1 to 20, preferably Below 3 to 10, more preferably, the average n value is 4 to 5, for example, when n is 4 to represent a structure substituted by the formula (12):
  • R is as defined above.
  • the silsesquioxane polymer according to the present invention may be a polymer shown in Tables 1 to 18 below.
  • ECHE Epoxycyclohexyl
  • GlyP means Glycidoxypropyl
  • POMMA means (methacryloyloxy) propyl, and when two or more are described, it means mixed use.
  • n is 1-8 each independently.
  • the silsesquioxane composite polymer of Chemical Formula 1 may be a polymer described in Table 1 or 2 below.
  • the silsesquioxane composite polymer of Chemical Formula 2 may be a polymer described in Tables 3 and 4 below.
  • the silsesquioxane composite polymer of Chemical Formula 3 may be a polymer described in Table 5 or 6 below.
  • the silsesquioxane composite polymer of Chemical Formula 4 may be a polymer described in Tables 7 and 8 below.
  • the silsesquioxane composite polymer of Formula 5 may be a polymer described in Tables 9 and 10.
  • the silsesquioxane composite polymer of Chemical Formula 6 may be a polymer described in Tables 11 and 12 below.
  • the silsesquioxane composite polymer of Chemical Formula 7 may be a polymer described in Tables 13 and 14 below.
  • the silsesquioxane composite polymer of Chemical Formula 8 may be a polymer described in Tables 15 and 16 below.
  • the silsesquioxane composite polymer of Chemical Formula 9 may be a polymer described in Tables 17 and 18 below.
  • the silsesquioxane composite polymer of the present invention may be adjusted to 1 to 99.9% or more in order to secure excellent storage stability to obtain a wide range of applications. That is, the content of alkoxy groups bonded to Si at the terminal and center can be controlled from 50% to 0.01% with respect to the bonding groups of the entire polymer.
  • the weight average molecular weight of the silsesquioxane composite polymer according to the present invention may be 1,000 to 1,000,000, preferably 5,000 to 100,000, and more preferably 7,000 to 50,000. In this case, the processability and physical properties of the silsesquioxane can be improved simultaneously.
  • the wood and pulp coating composition including the silsesquioxane composite polymer represented by any one of Formulas 1 to 9 may use two or more composite polymers, and preferably, any one of Formulas 3 to 9 It is preferable to use the silsesquioxane composite polymer shown.
  • the physical properties of the coating can be further improved by including the repeating unit [B] b or [E] e.
  • the wood and pulp coating composition may be coated alone as a solventless type when the silsesquioxane composite polymer is in a liquid state, and may include an organic solvent in the case of a solid phase.
  • the coating composition may further include an initiator or a curing agent.
  • the coating composition is characterized in that it comprises a silsesquioxane composite polymer represented by any one of Formulas 1 to 9, an organic solvent commonly used in the art that is compatible with the composite polymer, the initiator It may optionally further include additives such as hardeners, plasticizers, sunscreens, and other functional additives to improve curability, heat resistance, UV protection, plasticizing effects and the like.
  • additives such as hardeners, plasticizers, sunscreens, and other functional additives to improve curability, heat resistance, UV protection, plasticizing effects and the like.
  • the silsesquioxane composite polymer may be included at least 5 parts by weight or more, based on 100 parts by weight of the coating composition, preferably 5 to 90 parts by weight, more preferably 10 to 50 parts by weight. It is preferably included in negative amounts. If within the above range can further improve the mechanical properties of the cured film of the coating composition.
  • organic solvent examples include alcohols such as methyl alcohol, ethyl alcohol, isopropyl alcohol, butyl alcohol and cellosolve, ketones such as lactate, acetone and methyl (isobutyl) ethyl ketone, glycols such as ethylene glycol,
  • polar solvents such as furan-based compounds such as tetrahydrofuran, dimethylformamide, dimethylacetamide and N-methyl-2-pyrrolidone, hexane, cyclohexane, cyclohexanone, toluene, xylene, cresol, chloroform, Dichlorobenzene, dimethylbenzene, trimethylbenzene, pyridine, methylnaphthalene, nitromethane, acronitrile, methylene chloride, octadecylamine, aniline, dimethylsulfoxide, benzyl alcohol can be used, but is not limited thereto.
  • the initiator or the curing agent may be appropriately selected and used according to the organic functional group contained in the silsesquioxane composite polymer.
  • an organic system capable of post-curing such as an unsaturated hydrocarbon, a siol system, an epoxy system, an amine system, or an isocyanate group
  • various curing using heat or light is possible.
  • the change due to heat or light can be achieved in the polymer itself, but preferably, the curing step can be achieved by diluting with an organic solvent as described above.
  • various initiators may be used, and the initiator may be included in an amount of 0.1-20 parts by weight based on 100 parts by weight of the total composition, and when included in an amount within the above range, After curing, the transmittance and coating stability can be satisfied at the same time.
  • a radical initiator may be used, and the radical initiator may include trichloro acetophenone, diethoxy acetophenone, and 1-phenyl-2-hydride.
  • sulfoniums such as triphenylsulfonium and diphenyl-4- (phenylthio) phenylsulfonium, diphenyliodonium and bis (dode) are used as photopolymerization initiators (cations).
  • Iodonium such as silphenyl) iodonium, diazonium, such as phenyldiazonium, ammonium, such as 1-benzyl-2-cyanopyridinium and 1- (naphthylmethyl) -2-cyanofridinium, (4- Methylphenyl) [4- (2-methylpropyl) phenyl] -hexafluorophosphate iodonium, bis (4-t-butylphenyl) hexafluorophosphate iodonium, diphenylhexafluorophosphate iodonium, diphenyltrifluoro Romethanesulfonate iodonium, triphenylsulfonium tetrafuluroborate, tri-p-toylsulfonium hexafulurophosphate, tri-p-toylsulfonium trifluoromethanesulfonate and (2,4- cyclopent
  • the cationic initiators acting by heat include cationic or protonic acid catalysts such as triflate, boron trifluoride ether complex, boron trifluoride, etc. Bromide, ethyltriphenylphosphonium bromide, phenyltriphenylphosphonium bromide and the like can be used without limitation, and these initiators can also be added in various mixed forms, and can be mixed with the various radical initiators specified above. Do.
  • phthalic anhydride trimellitic anhydride, pyromellitic anhydride, maleic anhydride, tetrahydrophthalic anhydride, methylhexahydrophthalic anhydride, methyltetrahydrophthalic anhydride, methylnadic anhydride, methylhydride anhydride, trialkyltetra Acid anhydride hardeners, such as hydrophthalic anhydride, dodecenyl succinic anhydride, and 2, 4- diethyl glutaric anhydride, can also be used widely.
  • the hardener is preferably included in 0.1-20 parts by weight based on 100 parts by weight of the composition.
  • triazine-based compounds such as acetoguanamine, benzoguanamine, 2,4-diamino-6-vinyl-s-triazine, imidazole, 2-methylimidazole Imidazole compounds such as 2-ethyl-4-methylimidazole, 2-phenylimidazole, 2-phenyl-4-methylimidazole, vinylimidazole, and 1-methylimidazole, 1, 5-diazabicyclo [4.3.0] nonene-5,1,8-diazabicyclo [5.4.0] undecene-7, triphenylphosphine, diphenyl (p-tril) phosphine, tris (alkylphenyl Phosphine, tris (alkoxyphenyl) phosphine, ethyltriphenylphosphonium phosphate, tetrabutylphosphonium hydroxide, tetrabutyl
  • the present invention may further include additives such as UV absorbers, antioxidants, antifoaming agents, leveling agents, water repellents, flame retardants, and adhesion improving agents for the purpose of improving hardness, strength, durability, formability, etc. through a curing process or a post reaction.
  • additives such as UV absorbers, antioxidants, antifoaming agents, leveling agents, water repellents, flame retardants, and adhesion improving agents for the purpose of improving hardness, strength, durability, formability, etc. through a curing process or a post reaction.
  • Such additives are not particularly limited in use, but may be appropriately added within a range that does not impair the properties of the substrate, that is, properties such as flexibility, light transmittance, heat resistance, hardness, and strength.
  • Each of the additives is preferably included in an amount of 0.01-10 parts by weight based on 100 parts by weight of the composition.
  • Additives usable in the present invention include polyether-modified polydimethylsiloxane (eg, BYK-300, BYK-301, BYK-302, BYK-331, BYK-335, BYK-306, BYK-330, BYK-341, BYK-344, BYK-307, BYK-333, BYK-310, etc.), polyether hydroxy polydimethylsiloxanes (e.g., manufactured by BYK BYK-308, BYK-373, etc.), polymethylalkylsiloxane (e.g., BYK-077, BYK-085, etc.), polyether polymethylalkylsiloxane (e.g., BYK- 320, BYK-325, etc.), polyester modified poly-methyl-alkyl-siloxane (e.g., BYK-315, etc.), allylalkyl polymethylalkylsiloxane (aral
  • polyester hydroxy polydimethylsiloxane Polydimethylsiloxane (Polyester modified hydroxy functional polydimethylsiloxane, such as BYK-370), polyester acrylic polydimethylsiloxane (Acrylic functional polyester modified polydimethylsiloxane, such as BYK-371, BYK-UV 3570, etc.), polyether-polyester hydroxy Polyeher-polyester modified hydroxy functional polydimethylsiloxane (e.g., BYK-375, etc.), polyether polydimethylsiloxane (e.g., BYK-345, BYK-348, BYK-346) , BYK-UV3510, BYK-332, BYK-337, etc.), nonionic polyacrylic (Non-ionic acrylic copolymer, such as BYK-380, etc.), Ionic acrylic copolymer (eg, BYK -381, etc
  • the method of coating the wood and pulp coating composition on the wood and pulp surface is spin coating, bar coating, slit coating, dip coating, natural coating, reverse coating, roll coating, spin coating, curtain coating, spray coating
  • a person skilled in the art can arbitrarily select from among known methods such as immersion method, impregnation method, and gravure coating, and of course, photocuring or heat curing can be appropriately selected and applied according to the functional group of the composite polymer.
  • the curing temperature is 80 to 120 °C.
  • the coating thickness of the coating composition may be arbitrarily adjusted, preferably 0.01 to 500 um, more preferably 0.1 to 300 um, even more preferably 1 to 100 um. Within the above range, not only can the surface hardness of 7H or more be stably secured, but also excellent physical properties of the substrate surface properties. In particular, when the coating layer is laminated to a thickness of 10um or more, the surface hardness can be represented stably 9H.
  • the present invention is characterized in that the silsesquioxane composite polymer coating comprising a cured product coated with a wood and pulp coating composition comprising a silsesquioxane composite polymer represented by any one of the formulas (1) to (9) above It provides a product comprising wood and pulp and the silsesquioxane composite polymer coated wood and pulp, the silsesquioxane composite polymer coated wood and pulp can be prepared by the wood and pulp coating method.
  • the silsesquioxane composite polymer coating wood and pulp according to the present invention has excellent adhesion between the silsesquioxane composite polymer coating layer and wood and pulp, and the formed silsesquioxane composite polymer coating layer has the morphology and color of wood and pulp. Without deformation, it has very high surface hardness, excellent waterproofing, moisture proofing, transparency, scratch resistance, antifouling property, thermal stability and durability, and excellent adhesion to wood and pulp base materials, so it is suitable for wood furniture and wood construction. It can be usefully applied to various products such as interior and exterior materials, wood accessories, wood public facilities, paper including pulp-based paper (including paper and paper) and paper (including paper and cardboard).
  • ECHETMS is 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane
  • GPTMS is Glycidoxypropytrimethoxysilane
  • MAPTMS is (methacryloyloxy) propyltrimethoxysilane
  • PTMS is Phenyltrimethoxysilane
  • MTMS is Methyltrimethoxysilane
  • ECHETMDS is Di (epoxycyclohexyethyl) Di (glycidoxypropyl) tetramethoxy disiloxane
  • MAPTMDS stands for Di (methacryloyloxy) propy
  • PTMDS stands for Di (phenyl) tetramethoxy disiloxane
  • MTMDS stands for Di
  • a catalyst 1a was prepared by mixing 10 wt% aqueous Potassium hydroxide (KOH) solution with 25 wt% aqueous tetramethylammonium hydroxide (TMAH).
  • KOH Potassium hydroxide
  • TMAH tetramethylammonium hydroxide
  • Example 1-a To a dried flask equipped with a cooling tube and a stirrer, 5 parts by weight of distilled water, 15 parts by weight of tetrahydrofuran, 1 part by weight of the catalyst prepared in Example 1-a was added dropwise, followed by stirring at room temperature for 1 hour, and then 2 20 parts by weight of-(3,4-epoxycyclohexyl) ethyltrimethoxysilane was added dropwise, and 15 parts by weight of tetrahydroleuran was added dropwise thereto, followed by further stirring for 5 hours.
  • the mixed solution during stirring was collected and washed twice to remove the catalyst and impurities, and after filtering, the SI-OH functional group formed at the terminal group was confirmed by IR analysis (3200 cm -1 ), and the molecular weight was measured. As a result, it was confirmed that the silsesquioxane having the same linear structure as the chemical formula 4 had a molecular weight of 8,000 styrene.
  • Example 1-b To the mixed solution of Example 1-b 0.36% by weight of HCl aqueous solution was added very slowly 5 parts by weight, the pH was adjusted to have an acid, and stirred at a temperature of 4 °C 30 minutes. Thereafter, 5 parts by weight of diphenyltetramethoxydisiloxane was added dropwise at one time to achieve stable hydrolysis. After stirring for 1 hour, 7 parts by weight of the catalyst prepared in Example 1-a was added again to adjust the pH of the mixed solution in a basic state. At this time, a precursor of the D structure in which alkoxy is opened is formed separately from the linear polymer. A small amount of sample was taken and analyzed by H-NMR and IR to confirm the residual ratio of methoxy.
  • Example 1-c 30 g of the silsesquioxane composite polymer obtained in Example 1-c was dissolved in methyl isobutyl ketone at 30% by weight to prepare a coating composition of 100 g. Thereafter, 3 parts by weight of chloro acetophenone, 1 part by weight of BYK-347, and 1 part by weight of BYK-UV 3500 were added to 100 parts of the coating composition, and stirred for 10 minutes to prepare a photocurable coating composition.
  • Example 1-c 50 g of the silsesquioxane composite polymer obtained in Example 1-c was dissolved in methyl ethyl ketone at 50% by weight to prepare 100 g of a coating composition. Thereafter, 3 parts by weight of 1,3-diaminopropane and 1 part by weight of BYK-357 and BYK-348 were added to 100 parts by weight of the prepared coating composition, followed by stirring for 10 minutes to prepare a thermosetting coating composition.
  • Example 1-c alone constitute a coating composition without a separate composition.
  • Example 1 In order to prepare a composite polymer having a D-A-D structure, the following examples were used, and a coating composition was prepared by a method similar to that described in Example 1 above. Preparation of the catalyst and the linear structure was used in the same manner as in Example 1-a and 1-b, and then to produce a continuous D-A-D structure was carried out by the following method.
  • Example 1-b To the mixed solution of Example 1-b 0.36% by weight of HCl aqueous solution was added very slowly 5 parts by weight, the pH was adjusted to have an acid, and stirred at a temperature of 4 °C 30 minutes. Thereafter, 25 parts by weight, which is 5 times the amount of Diphenyltetramethoxydisiloxane used in Example 1-b, was added dropwise at one time to achieve stable hydrolysis, and after stirring for 1 hour, 7 parts by weight of the catalyst prepared in Example 1-a was added again to give a basic state. PH of the mixed solution was adjusted. At this time, a precursor of the D structure in which alkoxy is opened is formed separately from the linear polymer.
  • silsesquioxane composite polymer and the coating composition were prepared by applying the monomers described in Table 20 below. At this time, the manufacturing method was equally applied to the method used in Example 2.
  • Example 1 In order to prepare an E-A-D composite polymer, the following examples were used, and a coating composition was prepared by a method similar to that described in Example 1 above. Preparation of the catalyst and the linear structure was used in the same manner as in Example 1, and then to produce the E-A-D structure was carried out by the following method.
  • Example 1-c To the AD mixture obtained in Example 1-c, 20 parts by weight of methylene chloride were added dropwise without further purification, 5 parts by weight of an aqueous 0.36% by weight HCl solution was added dropwise, and the pH was adjusted to have an acidity, and 30 ° C at a temperature of 4 ° C. Stirred for a minute. Then, 1 part by weight of dimethyltetramethoxysilane was added dropwise. At this time, the portion that was not yet hydrolyzed in the molecular structure is easily converted into a hydrolyzate in the acidic aqueous solution layer separated from the solvent, and condensed in the resulting separate reactant and organic solvent layer to introduce E into the end unit. After stirring for 5 hours, stirring of the reaction was stopped and the temperature of the reactor was adjusted to room temperature.
  • Example 3-a After preparing the organic layer of the resultant obtained in Example 3-a without further purification, the terminal was converted into a cage structure using a trifunctional monomer. 3 parts by weight of Methyltrimethoxysilane was added dropwise to the mixed solution of Example 3-a in progress, to achieve stable hydrolysis, and after stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 1-a was added again to give a basic state. PH of the mixed solution was adjusted. At this time, the cage-type polymer is introduced to the end of the E structure, the reaction proceeds continuously in the reactor to form a polymer as shown in the formula (3). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • Example 3-b After the reaction mixture was obtained in Example 3-b, the mixture was washed with distilled water, and when the pH of the distilled water layer was neutral, the solvent was completely removed by vacuum pressure. Thereafter, the precipitate was precipitated twice in methanol, and the unreacted monomer was removed, and the tetrahydrofuran and the aqueous solution were dissolved in 30 parts by weight in a solvent mixed at a weight ratio of 9.5: 0.5, and stored at a temperature of -20 ° C for 2 days. This is to facilitate the recrystallization of the material that is not introduced into the polymer, and closed by the cage structure, so that purification can be easily performed.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Chemical Formula 3 was obtained along with various byproducts by vacuum reduction.
  • the composite polymers can be obtained without any problem in view of the fact that the sharp form of the cage forms without the low molecular weight obtained in each stage of polymer growth. there was.
  • the molecular weight was 17,000 in terms of styrene
  • n value was 4-6
  • the results of formula (3) are as follows.
  • silsesquioxane composite polymer and the coating composition were prepared by applying the monomers described in Table 21 below. In this case, the method used in Example 3 was equally applied.
  • a continuous hydrolysis and condensation were carried out stepwise to prepare a composite polymer having an E-A-D structure, and a coating composition was prepared by a method equivalent to that described in Example 1.
  • a catalyst 1a was prepared by mixing 10 wt% aqueous Potassium hydroxide (KOH) solution with 25 wt% aqueous tetramethylammonium hydroxide (TMAH).
  • KOH Potassium hydroxide
  • TMAH tetramethylammonium hydroxide
  • Example 4-a To a dried flask equipped with a cooling tube and a stirrer, 5 parts by weight of distilled water, 40 parts by weight of tetrahydrofuran, 0.5 parts by weight of the catalyst prepared in Example 4-a were added dropwise, followed by stirring at room temperature for 1 hour, and then 2 10 parts by weight of-(3,4-epoxycyclohexyl) ethyltrimethoxysilane was added dropwise, and 20 parts by weight of tetrahydroleuran was added dropwise thereto, followed by further stirring for 2 hours.
  • the mixed solution was stirred and washed twice to remove the catalyst and impurities, and then filtered, and then linear silsesquioxane containing 0.1 mmol / g or less of the alkoxy group remaining through 1 H-NMR analysis. This was then used to introduce the cage into the continuous reaction.
  • XRD analysis confirmed that the overall structure is a linear structure through the XRD analysis. As a result of measuring the molecular weight, it was confirmed that the silsesquioxane having a linear structure had a molecular weight of 6,000 styrene.
  • Example 4-b To the mixture of Example 4-b in progress, 0.36 wt% HCl aqueous solution was added dropwise very slowly to 5 parts by weight, the pH was adjusted to have acidity, and stirred at a temperature of 4 ° C. for 30 minutes. Thereafter, 5 parts by weight of DiPhenyltetramethoxydisiloxane was added dropwise, and after stirring for 1 hour, 5 parts by weight of the catalyst prepared in Example 4-a was added again to adjust the pH of the mixed solution in a basic state.
  • the cage-type structure was introduced into the polymer chain separately from the linear structure, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum, and the overall reactant was converted into the aqueous mixture. It was made. After 4 hours of mixing, some of the alkoxy groups in the B structure were changed to 0.025 mmol / g as a result of partial extraction and analysis by 29 Si-NMR and 1 H-NMR. It was confirmed that the ratio was introduced at 5: 5. In addition, the styrene reduced molecular weight was measured to 10,000. In addition, although the cage type structure was introduced, the molecular weight distribution of the single cage type material was not found in the GPC form of the polymer, and thus the cage structure was well introduced into the polymer chain through the continuous reaction.
  • the terminal was converted into a cage structure using a trifunctional monomer.
  • 100 parts by weight of the material obtained in Example 4-c was dissolved in 50 parts by weight of tetrahydrofuran, and then 5 parts by weight of distilled water was added to prepare a mixed solution. Thereafter, 10 parts by weight of 0.36 wt% HCl was added to the prepared solution, followed by stirring for 10 minutes, and then 3 parts by weight of Methyltrimethoxysilane were added dropwise at once to achieve stable hydrolysis. After stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 4-a was added again to adjust the pH of the mixed solution in a basic state.
  • the cage-shaped polymer is introduced to the X portion of the B structure, the reaction proceeds continuously in the reactor to form a polymer as shown in the formula (4). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Formula 4 was obtained without various by-products by vacuum reduction.
  • the result is a sharp form of cage without the low molecular weight obtained at each stage of polymer growth.
  • silsesquioxane composite polymer and the coating composition were prepared by applying the monomers described in Table 22 below. In this case, the method used in Example 4 was equally applied.
  • Example 1 The following method was used to prepare a composite polymer having a D-A-B-D structure, and a coating composition was prepared by the same method as in Example 1.
  • Example 4-b To the mixture of Example 4-b in progress, 0.36 wt% HCl aqueous solution was added dropwise very slowly to 5 parts by weight, the pH was adjusted to have acidity, and stirred at a temperature of 4 ° C. for 30 minutes. Thereafter, the amount of diphenyltetramethoxydisiloxane was prepared by adding 5 parts by weight to 25 parts by weight, which is 5 times the amount of Example 4-b, and after stirring for 1 hour, 5 parts by weight of the catalyst prepared in Example 1-a was added again to give a basic pH of the mixed solution. Was adjusted.
  • Example 5-a After the organic layer of the resultant obtained in Example 5-a was prepared without further purification, the terminal was converted into a cage structure using a trifunctional monomer. 100 parts by weight of the material obtained in Example 5-a was dissolved in 50 parts by weight of tetrahydrofuran, and then 5 parts by weight of distilled water was added to prepare a mixed solution. Thereafter, 10 parts by weight of 0.36 wt% HCl was added to the prepared solution, followed by stirring for 10 minutes, and then 3 parts by weight of Methyltrimethoxysilane were added dropwise at once to achieve stable hydrolysis. After stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 4-a was added again to adjust the pH of the mixed solution in a basic state.
  • the cage-shaped polymer is introduced to the X portion of the B structure, the reaction proceeds continuously in the reactor to form a polymer as shown in the formula (5). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Chemical Formula 5 was obtained without various by-products by vacuum reduction.
  • the composite polymers can be obtained without any problem in view of the fact that the sharp form of the cage forms without the low molecular weight obtained in each stage of polymer growth. there was.
  • the molecular weight was obtained in the styrene conversion value of 16,000, the n value of X was 4-6, the n value of Y was 4-6, in particular in the formula 5 results are as follows.
  • silsesquioxane composite polymer and the coating composition were prepared by applying the monomers described in Table 23 below. At this time, the manufacturing method was equally applied to the method used in Example 5.
  • Example 1 To prepare a composite polymer having an E-A-B-D structure, the following method was used, and a coating composition was prepared by the same method as in Example 1.
  • Example 4-c 20 parts by weight of methylene chloride was added dropwise to the mixture obtained in Example 4-c, 5 parts by weight of a 0.36% by weight aqueous HCl solution was added dropwise, the pH was adjusted to have an acidity, and 30 minutes at a temperature of 4 ° C. Stirred. Then, 1 part by weight of dimethyltetramethoxysilane was added dropwise. At this time, the portion that was not yet hydrolyzed in the molecular structure is easily converted into a hydrolyzate in the acidic aqueous solution layer separated from the solvent, and condensed in the resulting separate reactant and organic solvent layer to introduce E into the end unit. After stirring for 5 hours, stirring of the reaction was stopped and the temperature of the reactor was adjusted to room temperature.
  • Example 6-a After the organic layer of the resultant obtained in Example 6-a was prepared without further purification, the terminal was converted into a cage structure using a trifunctional monomer. 3 parts by weight of Methyltrimethoxysilane was added dropwise to the mixed solution of Example 6-a in progress at a time to achieve stable hydrolysis. After stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 1-a was added again to give a basic state. PH of the mixed solution was adjusted. At this time, the cage-type polymer is introduced at the end of the E structure, the reaction proceeds continuously in the reactor to form a polymer as shown in formula (6). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • Example 6-b the reaction mixture was obtained, washed with distilled water, and when the pH of the distilled water layer was neutral, the solvent was completely removed by vacuum. Thereafter, the precipitate was precipitated twice in methanol, and the unreacted monomer was removed, and the tetrahydrofuran and the aqueous solution were dissolved in 30 parts by weight in a solvent mixed at a weight ratio of 9.5: 0.5, and stored at a temperature of -20 ° C for 2 days. This is to facilitate the recrystallization of the material that is not introduced into the polymer, and closed by the cage structure, so that purification can be easily performed.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Chemical Formula 6 was obtained along with various by-products by vacuum reduction.
  • the composite polymers can be obtained without any problem in view of the fact that the sharp form of the cage forms without the low molecular weight obtained in each stage of polymer growth. there was.
  • the molecular weight was obtained in the styrene conversion value of 21,000, the n value of X was 4-6, the n value of Y was 4-6, in particular in the formula 6 results are as follows.
  • silsesquioxane composite polymer was prepared by applying the monomers described in Table 24 below. At this time, the manufacturing method was equally applied to the method used in Example 6.
  • Synthesis step was carried out step by step, hydrolysis and condensation step by step, to prepare a coating composition in the same manner as in Example 1.
  • a catalyst 1a was prepared by mixing 10 wt% aqueous Potassium hydroxide (KOH) solution with 25 wt% aqueous tetramethylammonium hydroxide (TMAH).
  • KOH Potassium hydroxide
  • TMAH tetramethylammonium hydroxide
  • Example 7-a To a dried flask equipped with a cooling tube and a stirrer, 5 parts by weight of distilled water, 15 parts by weight of tetrahydrofuran, 1 part by weight of the catalyst prepared in Example 7-a was added dropwise, and stirred at room temperature for 1 hour, followed by 2 20 parts by weight of-(3,4-epoxycyclohexyl) ethyltrimethoxysilane was added dropwise, and 15 parts by weight of tetrahydroleuran was added dropwise thereto, followed by further stirring for 5 hours.
  • the mixed solution during stirring was collected and washed twice to remove the catalyst and impurities, and after filtering, the SI-OH functional group formed at the terminal group was confirmed by IR analysis (3200 cm -1 ), and the molecular weight was measured. As a result, it was confirmed that the silsesquioxane having a linear structure had a molecular weight of 6,000 styrene.
  • Example 7-a To a dried flask equipped with a cooling tube and a stirrer, 5 parts by weight of distilled water, 40 parts by weight of tetrahydrofuran, 0.5 parts by weight of the catalyst prepared in Example 7-a were added dropwise, followed by stirring at room temperature for 1 hour, and then 2 10 parts by weight of-(3,4-epoxycyclohexyl) ethyltrimethoxysilane was added dropwise, and 20 parts by weight of tetrahydroleuran was added dropwise thereto, followed by further stirring for 2 hours.
  • the mixed solution was stirred and washed twice to remove the catalyst and impurities, and then filtered, and then linear silsesquioxane containing 0.1 mmol / g or less of the alkoxy group remaining through 1 H-NMR analysis. This was then used to introduce the cage into the continuous reaction.
  • XRD analysis confirmed that the overall structure is a linear structure through the XRD analysis. As a result of measuring the molecular weight, it was confirmed that the silsesquioxane having a linear structure had a molecular weight in terms of 8,000 styrene.
  • Example 7-a catalyst To a dried flask equipped with a cooling tube and a stirrer, 5 parts by weight of distilled water, 5 parts by weight of tetrahydrofuran, 10 parts by weight of the prepared Example 7-a catalyst were added dropwise and stirred at room temperature for 1 hour, followed by Example 20 parts by weight of the 7-b precursor and the 7-c precursor were added dropwise, and 10 parts by weight of tetrahydroleuran was added dropwise thereto, followed by further stirring for 24 hours.
  • the mixed solution during stirring was collected and washed twice to remove the catalyst and impurities, and after filtering, the SI-OH functional group formed at the terminal group was confirmed by IR analysis (3200 cm -1 ), and the molecular weight was measured. As a result, it was confirmed that the silsesquioxane having a linear structure had a molecular weight of 15,000 styrene.
  • Example 7-d 0.36% by weight of HCl solution was added very slowly 5 parts by weight, the pH was adjusted to have an acid, and stirred at a temperature of 4 °C 30 minutes. Thereafter, 5 parts by weight of diphenyltetramethoxydisiloxane was added dropwise at a time to achieve stable hydrolysis. After stirring for 1 hour, 7 parts by weight of the catalyst prepared in Example 7-a was added again to adjust the pH of the mixed solution in a basic state. At this time, a precursor of the D structure in which alkoxy is opened is formed separately from the linear polymer. A small amount of sample was taken and analyzed by H-NMR and IR to confirm the residual ratio of methoxy.
  • the terminal was converted into a cage structure using a trifunctional monomer.
  • 100 parts by weight of the material obtained in Example 7-e was dissolved in 50 parts by weight of tetrahydrofuran, and then 5 parts by weight of distilled water was added to prepare a mixed solution. Thereafter, 10 parts by weight of 0.36 wt% HCl was added to the prepared solution, followed by stirring for 10 minutes, and then 3 parts by weight of Methyltrimethoxysilane were added dropwise at once to achieve stable hydrolysis. After stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 7-a was added again to adjust the pH of the mixed solution in a basic state.
  • the cage-shaped polymer is introduced to the X portion of the B structure, the reaction proceeds continuously in the reactor to form a polymer as shown in the formula (7). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Chemical Formula 7 was obtained without various by-products by vacuum reduction.
  • the composite polymers can be obtained without any problem in view of the fact that the sharp form of the cage forms without the low molecular weight obtained in each stage of polymer growth. there was.
  • the molecular weight was a styrene conversion value of 24,000
  • the n value of X was 4-6
  • the n value of Y was 4-6.
  • silsesquioxane composite polymer was prepared by applying the monomers described in Table 25 below. At this time, the manufacturing method was equally applied to the method used in Example 7.
  • Example 1 In order to manufacture a composite polymer having a D-A-B-D structure, the following examples were used, and a coating composition was prepared by the same method as in Example 1.
  • Example 7-d 15 parts by weight of a 0.36 wt% HCl aqueous solution was added very slowly to the mixed solution of Example 7-d, the pH was adjusted to have acidity, and the mixture was stirred at a temperature of 4 ° C. for 30 minutes. Thereafter, the amount of diphenyltetramethoxydisiloxane was prepared by adding 25 parts by weight, which is 5 times the amount of Example 7-e, and added dropwise at once, and after stirring for 1 hour, 20 parts by weight of the catalyst prepared in Example 7-a was added again to give a basic pH of the mixed solution. Was adjusted.
  • the terminal was converted into a cage structure using a trifunctional monomer.
  • 100 parts by weight of the material obtained in Example 8-a was dissolved in 50 parts by weight of tetrahydrofuran, and then 5 parts by weight of distilled water was added to prepare a mixed solution. Thereafter, 10 parts by weight of 0.36 wt% HCl was added to the prepared solution, followed by stirring for 10 minutes, and then 3 parts by weight of Methyltrimethoxysilane were added dropwise at once to achieve stable hydrolysis. After stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 7-a was added again to adjust the pH of the mixed solution in a basic state.
  • the cage-type polymer is introduced to the X portion of the B structure, the reaction proceeds continuously in the reactor to form a polymer as shown in the formula (8). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Chemical Formula 1 was obtained without various by-products by vacuum reduction.
  • the composite polymers can be obtained without any problem in view of the fact that the sharp form of the cage forms without the low molecular weight obtained in each stage of polymer growth. there was.
  • the molecular weight was obtained in the styrene conversion value of 36,000, the n value of X was 4-6, the n value of Y was 4-6, in particular in the formula 8 results are as follows.
  • silsesquioxane composite polymer and the coating composition were prepared by applying the monomers described in Table 26 below. At this time, the manufacturing method was equally applied to the method used in Example 8.
  • Example 1 In order to prepare a composite polymer having an E-A-B-A-D structure, the following examples were used, and a coating composition was prepared by the same method as in Example 1.
  • Example 7-g To the mixture obtained in Example 7-g, 20 parts by weight of methylene chloride were added dropwise without further purification, 5 parts by weight of an aqueous 0.36% by weight HCl solution was added dropwise, the pH was adjusted to have an acidity, and 30 minutes at a temperature of 4 ° C. Stirred. Then, 1 part by weight of dimethyltetramethoxysilane was added dropwise. At this time, the portion that was not yet hydrolyzed in the molecular structure is easily converted into a hydrolyzate in the acidic aqueous solution layer separated from the solvent, and condensed in the resulting separate reactant and organic solvent layer to introduce E into the end unit. After stirring for 5 hours, stirring of the reaction was stopped and the temperature of the reactor was adjusted to room temperature.
  • Example 9-a After preparing the organic layer of the resultant obtained in Example 9-a without further purification, the terminal was converted into a cage structure using a trifunctional monomer. 3 parts by weight of Methyltrimethoxysilane was added dropwise to the mixed solution of Example 9-a in progress at a time to achieve stable hydrolysis. After stirring for 24 hours, 3 parts by weight of the catalyst prepared in Example 7-a was added again to give a basic state. PH of the mixed solution was adjusted. At this time, the cage-type polymer is introduced at the end of the E structure, the reaction proceeds continuously in the reactor to form a polymer as shown in formula (9). However, since it is obtained with other byproducts, a separate purification was required. Thereafter, the temperature was changed to room temperature, and tetrahydrofuran in the mixed solution was removed by vacuum to prepare a tablet.
  • Example 9-b After the reaction mixture was obtained in Example 9-b, the mixture was washed with distilled water, and when the pH of the distilled water layer was neutral, the solvent was completely removed by vacuum. Thereafter, the precipitate was precipitated twice in methanol, and the unreacted monomer was removed, and the tetrahydrofuran and the aqueous solution were dissolved in 30 parts by weight in a solvent mixed at a weight ratio of 9.5: 0.5, and stored at a temperature of -20 ° C for 2 days. This is to facilitate the recrystallization of the material that is not introduced into the polymer, and closed by the cage structure, so that purification can be easily performed.
  • the obtained solid material was filtered, and it was confirmed that the polymer of Formula 9 was obtained along with various by-products by vacuum reduction.
  • the composite polymers can be obtained without any problem in view of the fact that the sharp form of the cage forms without the low molecular weight obtained in each stage of polymer growth. there was.
  • the molecular weight was obtained in the styrene conversion value of 28,000, the n value of X was 4-6, the n value of Y was 4-6.
  • silsesquioxane composite polymer was prepared by applying the monomers described in Table 27 below. In this case, the method used in Example 9 was equally applied.
  • the coating composition prepared in the above to 9 was coated and cured to measure surface properties.
  • Pencil hardness method JIS 5600-5-4
  • JIS 5600-5-4 is generally rated at 750 g load.
  • the pencil is applied at a 45 degree angle to the coating surface at 0.5 mm per second at a 1 kgf load, which is a more severe condition.
  • the coating film was scratched by moving more than 10 mm horizontally at a speed and evaluated as a scratch. If more than 3 mm of scratches are not found more than 2 times in 5 experiments, the pencil of the higher hardness is selected and evaluated.If more than 2 scratches are found, the pencil of one level lower than the hardness of the pencil is selected to determine the pencil hardness of the coating film.
  • Table 28 The evaluation results described the pencil hardness at 10 um coating thickness.
  • the coating compositions of the other embodiments of the present invention all confirmed the hardness of 9H in the coating thickness of more than 10um.
  • the contact angle was measured for natural wood, MDF plywood, and sun paper. After dropping water droplets on the surface of the sample using a contact angle measuring instrument (DSA100 manufactured by KRUSS Co., Ltd.), the contact angle of the water droplets was measured after 1 minute. The contact angle was measured 5 times per sample and the average value was used. The evaluation result is indicated by the contact angle of more than 100 degrees: ⁇ , 90-100 degrees: ⁇ , invasion: X.
  • the waterproof property was measured for natural wood, MDF plywood, sunny place, and the results are shown in Table 30 below.
  • the substrate was immersed in distilled water for 24 hours and then the weight change was measured.
  • the evaluation result is indicated by the case where the weight change amount is less than 10%: ⁇ , when the weight change amount is 10-30%: ⁇ , and when the weight change amount is more than 30%.
  • Water repellency The coating composition of Example 6 was coated on wood and paper, and then impregnated with water for 10 seconds for wood, and water drop was dropped for paper to test water repellency. As shown in Figure 1 (wood, no coating on the left, the coating of Example 6 on the right) and Figure 2 was confirmed that the coating composition of the present invention is very excellent in water repellency.
  • Wood and pulp coating method according to the invention is coated by coating the surface of wood and pulp using a silsesquioxane composite polymer comprising a linear silsesquioxane chain and cage-type silsesquioxane of a specific structure in one polymer Not only is the process easy, but the coating layer formed has very high surface hardness without altering the morphology and color of the wood and pulp, and has excellent waterproof, moisture proof, transparency, scratch resistance, antifouling, thermal stability and durability. It has excellent adhesion to wood and pulp base materials, so it has a variety of materials including wood furniture, wood building interior and exterior materials, wood accessories, wood and public facilities, paper including pulp material, paper and paper, etc. It can be usefully applied to the product.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Silicon Polymers (AREA)

Abstract

Cette invention concerne un procédé de revêtement du bois de charpente et d'un matériau à base de pâte à papier à l'aide d'un polymère composite de silsesquioxane, et plus spécifiquement, par revêtement de la surface du bois de charpente et du matériau à base de pâte à papier au moyen d'un polymère composite de silsesquioxane comprenant, dans le même polymère, une chaîne de silsesquioxane linéaire de structure particulière et un silsesquioxane de type cage. Le procédé de revêtement du bois de charpente et du matériau à base de pâte à papier à l'aide d'un polymère composite de silsesquioxane selon l'invention facilite le processus de revêtement, et la couche de revêtement formée présente une résistance de surface élevée tout en conservant la forme et la couleur du bois de charpente et du matériau à base de pâte à papier, et une remarquable étanchéité à l'eau, résistance à l'humidité, transparence, résistance à la rayure, résistance à la salissure, stabilité thermique, durabilité, ainsi qu'une excellente adhésivité au bois de charpente et au matériau à base de pâte à papier de base.
PCT/KR2015/002219 2014-03-07 2015-03-06 Procédé de revêtement du bois de charpente et d'un matériau à base de pâte à papier à l'aide d'un polymère composite de silsesquioxane WO2015133875A1 (fr)

Applications Claiming Priority (4)

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KR20140027167 2014-03-07
KR10-2014-0027167 2014-03-07
KR10-2015-0031684 2015-03-06
KR1020150031684A KR20150105608A (ko) 2014-03-07 2015-03-06 실세스퀴옥산 복합 고분자를 이용한 목재 및 펄프 코팅방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111978545A (zh) * 2020-09-10 2020-11-24 江西星火狮达科技有限公司 一种木材专用防水防霉树脂及其制备方法
CN116968138A (zh) * 2023-08-14 2023-10-31 阜阳大可新材料股份有限公司 一种难燃防水1mm厚高密度纤维板的生产方法

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WO2001010871A1 (fr) * 1999-08-04 2001-02-15 Hybrid Plastics Procede de fabrication de silsesquioxanes oligomeres polyedres
KR100966193B1 (ko) * 2007-09-18 2010-06-25 한국세라믹기술원 Ｐｏｓｓ를 포함하는 나노복합체 및 그 제조방법
KR101067283B1 (ko) * 2003-03-11 2011-09-23 제이엔씨 주식회사 실세스퀴옥산 유도체를 이용하여 얻어지는 중합체
US20130072609A1 (en) * 2011-09-21 2013-03-21 Government Of The United States As Represented By The Secretary Of The Air Force Sythesis of functional fluorinated polyhedral oligomeric silsesquioxane (f-poss)
KR101249798B1 (ko) * 2010-08-18 2013-04-03 한국과학기술연구원 선택적으로 구조가 제어된 폴리실세스퀴옥산의 제조방법 및 이로부터 제조된 폴리실세스퀴옥산

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001010871A1 (fr) * 1999-08-04 2001-02-15 Hybrid Plastics Procede de fabrication de silsesquioxanes oligomeres polyedres
KR101067283B1 (ko) * 2003-03-11 2011-09-23 제이엔씨 주식회사 실세스퀴옥산 유도체를 이용하여 얻어지는 중합체
KR100966193B1 (ko) * 2007-09-18 2010-06-25 한국세라믹기술원 Ｐｏｓｓ를 포함하는 나노복합체 및 그 제조방법
KR101249798B1 (ko) * 2010-08-18 2013-04-03 한국과학기술연구원 선택적으로 구조가 제어된 폴리실세스퀴옥산의 제조방법 및 이로부터 제조된 폴리실세스퀴옥산
US20130072609A1 (en) * 2011-09-21 2013-03-21 Government Of The United States As Represented By The Secretary Of The Air Force Sythesis of functional fluorinated polyhedral oligomeric silsesquioxane (f-poss)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111978545A (zh) * 2020-09-10 2020-11-24 江西星火狮达科技有限公司 一种木材专用防水防霉树脂及其制备方法
CN116968138A (zh) * 2023-08-14 2023-10-31 阜阳大可新材料股份有限公司 一种难燃防水1mm厚高密度纤维板的生产方法

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