WO2023018212A1 - 이종 소재 접착용 조성물 및 그 제조 방법 - Google Patents
이종 소재 접착용 조성물 및 그 제조 방법 Download PDFInfo
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- WO2023018212A1 WO2023018212A1 PCT/KR2022/011907 KR2022011907W WO2023018212A1 WO 2023018212 A1 WO2023018212 A1 WO 2023018212A1 KR 2022011907 W KR2022011907 W KR 2022011907W WO 2023018212 A1 WO2023018212 A1 WO 2023018212A1
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- modified polyurethane
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- 239000000463 material Substances 0.000 title claims abstract description 114
- 239000000203 mixture Substances 0.000 title claims abstract description 113
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 29
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- 238000006116 polymerization reaction Methods 0.000 claims abstract description 22
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- 125000000217 alkyl group Chemical group 0.000 claims description 16
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- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical group C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 13
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 12
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 11
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- 235000012424 soybean oil Nutrition 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical class OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/067—Polyurethanes; Polyureas
-
- 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
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
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- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
- C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
-
- 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
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- C08G18/4808—Mixtures of two or more polyetherdiols
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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- 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
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/487—Polyethers containing cyclic groups
- C08G18/4883—Polyethers containing cyclic groups containing cyclic groups having at least one oxygen atom in the ring
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/61—Polysiloxanes
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
- C08G65/33355—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group cyclic
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- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
- C08G65/33355—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group cyclic
- C08G65/33358—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group cyclic aromatic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09J175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/28—Metal sheet
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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- C09J2475/00—Presence of polyurethane
Definitions
- the present invention relates to a composition for bonding different materials and a method for manufacturing the same, and more specifically, to a (meth)acryl-modified (meth)acryl-modified polyurethane comprising a hydrophilic (meth)acryl-modified polyurethane and a lipophilic (meth)acryl-modified polyurethane.
- Polyurethane component, (meth)acrylic monomer, epoxy resin, epoxy curing accelerator, thermal polymerization initiator, and polymerization inhibitor are included in a specific weight ratio, and high adhesion between different materials can be realized at room temperature and high temperature, and at the same time, oil resistance is excellent. It relates to a composition for material bonding and a manufacturing method thereof.
- Polyol and isocyanate which are essential components of polyurethane, are usually manufactured from petroleum-based raw materials. Due to various reasons such as the acceleration of petroleum resource depletion, the demand for greenhouse gas reduction due to climate change, the increase in raw material prices, and the increase in the need for renewable raw materials, , In the field of urethane, a plan to partially or completely replace polyols and isocyanates produced from petroleum-based raw materials with environmentally friendly components is required.
- Polyols can be produced from renewable biomass such as vegetable natural oils, cellulose, and lignin, and bio-polyols derived from vegetable natural oils are already being produced on a commercial scale. Physical properties of the produced bio-polyol vary depending on the type of biomass used in the production. In general, castor oil, palm oil, etc. are used for the production of soft and hard polyurethanes and polyols for synthesis, and soybean oil is used for the production of polyols for soft polyurethanes.
- currently manufactured biomass-based biopolyols have a disadvantage in that they have high viscosity.
- Isocyanates based on vegetable natural oils are essentially aliphatic compounds, which have a disadvantage in that they are less reactive than petroleum-based aromatic diisocyanates. Therefore, research on producing diisocyanate using biomass has not been conducted much.
- Hydrogenated sugar also referred to as “sugar alcohol” refers to a compound obtained by adding hydrogen to a reducing end group of sugars, and is generally HOCH 2 (CHOH) n CH 2 OH (where n is an integer from 2 to 5) ), and is classified according to carbon atoms into tetratol, pentitol, hexitol, and heptitol (4, 5, 6, and 7 carbon atoms, respectively).
- hexitol having 6 carbon atoms includes sorbitol, mannitol, iditol, galactitol, and the like, and sorbitol and mannitol are particularly effective substances.
- Anhydrous sugar alcohol is a substance formed by removing one or more water molecules from the inside of hydrogenated sugar. When one water molecule is removed, it has the form of tetraol with four hydroxyl groups in the molecule, and two water molecules In the case of removal, it has a diol form with two hydroxyl groups in the molecule, and can be prepared using hexitol derived from starch (e.g., Korean Patent Registration No. 10-1079518, Korean Patent Publication No. 10-2012-0066904). Since anhydrosugar alcohol is an environmentally friendly material derived from renewable natural resources, research on its manufacturing method has been conducted with great interest for a long time. Among these anhydrous sugar alcohols, isosorbide prepared from sorbitol currently has the widest range of industrial applications.
- anhydrous sugar alcohol is very diverse, such as treatment of heart and blood vessel diseases, patch adhesives, pharmaceuticals such as mouthwashes, solvents for compositions in the cosmetics industry, and emulsifiers in the food industry.
- it can raise the glass transition temperature of polymer materials such as polyester, PET, polycarbonate, polyurethane, and epoxy resin, and has the effect of improving the strength of these materials. useful.
- it can be used as an environmentally friendly solvent for adhesives, eco-friendly plasticizers, biodegradable polymers, and water-soluble lacquers.
- anhydrous sugar alcohol is receiving a lot of attention due to its various application possibilities, and its use in the actual industry is gradually increasing.
- Korean Patent Publication No. 10-2017-0125328 discloses preparing an intermetallic conductive adhesive using acrylic modified polyurethane, other acrylic monomers, and a thermal polymerization initiator.
- the adhesive composition prepared in this way lacks oil resistance, and the adhesive strength needs to be further improved.
- An object of the present invention is to provide a composition for bonding different materials that can realize high adhesion between different materials at high temperatures as well as at room temperature by utilizing a derivative of anhydrous sugar alcohol, and at the same time has excellent oil resistance, and a manufacturing method thereof.
- the present invention is a (meth)acryl-modified polyurethane component comprising a hydrophilic (meth)acryl-modified polyurethane and a lipophilic (meth)acryl-modified polyurethane based on 100 parts by weight of the total composition. 25.5 to 84.5 parts by weight; 9.5 to 63.5 parts by weight of (meth)acrylic monomer; 2.5 to 34.5 parts by weight of an epoxy resin; 0.06 to 2.95 parts by weight of an epoxy curing accelerator; 0.0006 to 2.95 parts by weight of a thermal polymerization initiator; and 0.006 to 0.65 parts by weight of a polymerization inhibitor.
- the (meth) acrylic-modified polyurethane component comprising the hydrophilic (meth) acrylic-modified polyurethane and the lipophilic (meth) acrylic-modified polyurethane is 25.5 to 50 parts by weight 84.5 parts by weight; 9.5 to 63.5 parts by weight of (meth)acrylic monomer; 2.5 to 34.5 parts by weight of an epoxy resin; 0.06 to 2.95 parts by weight of an epoxy curing accelerator; 0.0006 to 2.95 parts by weight of a thermal polymerization initiator; and 0.006 to 0.65 parts by weight of a polymerization inhibitor; and a method for preparing a composition for bonding different materials, including the step of mixing.
- an article to which the composition for bonding different materials of the present invention is applied is provided.
- composition for bonding different materials according to the present invention has the advantage of realizing high adhesion between different materials and at the same time not causing deterioration in adhesive strength at high temperatures after curing, and also has excellent oil resistance, so that the adhesive material is excellent even in an environment exposed to oil. It can show performance retention.
- (meth)acryl includes acryl, methacryl, or a combination thereof
- (meth)acrylate includes acrylate, methacrylate, or a combination thereof
- the composition for bonding different materials of the present invention is a (meth)acryl-modified polyurethane component comprising a hydrophilic (meth)acryl-modified polyurethane and a lipophilic (meth)acryl-modified polyurethane based on 100 parts by weight of the total composition. 25.5 to 84.5 parts by weight; 9.5 to 63.5 parts by weight of (meth)acrylic monomer; 2.5 to 34.5 parts by weight of an epoxy resin; 0.06 to 2.95 parts by weight of an epoxy curing accelerator; 0.0006 to 2.95 parts by weight of a thermal polymerization initiator; and 0.006 to 0.65 parts by weight of a polymerization inhibitor.
- the (meth)acryl-modified polyurethane component content including the hydrophilic (meth)acryl-modified polyurethane and the lipophilic (meth)acryl-modified polyurethane in a total of 100 parts by weight of the composition for bonding different materials of the present invention is 25.5 parts by weight If the content is less than 84.5 parts by weight, both room temperature and high temperature adhesiveness and oil resistance are reduced.
- the (meth)acryl-modified polyurethane component content including the hydrophilic (meth)acryl-modified polyurethane and the lipophilic (meth)acryl-modified polyurethane in a total of 100 parts by weight of the composition is 25.5 parts by weight or more, 26 parts by weight or more, 27 parts by weight or more, 28 parts by weight or more, 29 parts by weight or more, or 30 parts by weight or more, and also 84.5 parts by weight or less, 84 parts by weight or less, 83 parts by weight or less, 82 parts by weight or less, It may be 81 parts by weight or less or 80 parts by weight or less, but is not limited thereto.
- the content of the (meth)acrylic monomer in the total 100 parts by weight of the composition for bonding different materials according to the present invention is less than 9.5 parts by weight, the high-temperature adhesiveness and oil resistance deteriorate, and conversely, if the content exceeds 63.5 parts by weight, adhesion at both room temperature and high temperature gender is lowered
- the content of the (meth)acrylic monomer in the total 100 parts by weight of the composition may be 9.5 parts by weight or more, 10 parts by weight or more, 11 parts by weight or more, 12 parts by weight or more, 13 parts by weight or more, or 14 parts by weight or more.
- it may also be 63.5 parts by weight or less, 63 parts by weight or less, 60 parts by weight or less, 58 parts by weight or less, 55 parts by weight or less, 53 parts by weight or less, or 50 parts by weight or less, but is not limited thereto.
- the content of the epoxy resin in the total 100 parts by weight of the composition for bonding different materials according to the present invention is less than 2.5 parts by weight, the high-temperature adhesiveness decreases, and conversely, if the content exceeds 34.5 parts by weight, both room temperature and high-temperature adhesiveness and oil resistance are reduced.
- the content of the epoxy resin in the total 100 parts by weight of the composition may be 2.5 parts by weight or more, 3 parts by weight or more, 3.5 parts by weight or more, 4 parts by weight or more, 4.5 parts by weight or more or 5 parts by weight or more, and 34.5 parts by weight or less, 34 parts by weight or less, 33 parts by weight or less, 32 parts by weight or less, 31 parts by weight or less, 30 parts by weight or less, or 29 parts by weight or less, but is not limited thereto.
- the content of the epoxy curing accelerator in a total of 100 parts by weight of the composition may be 0.06 parts by weight or more, 0.1 parts by weight or more, 0.2 parts by weight or more, 0.3 parts by weight or more, 0.4 parts by weight or more or 0.5 parts by weight or more, In addition, it may be 2.95 parts by weight or less, 2.5 parts by weight or less, 2 parts by weight or less, 1.5 parts by weight or less, or 1 part by weight or less, but is not limited thereto.
- the thermal polymerization initiator content in the total 100 parts by weight of the composition is 0.0006 parts by weight or more, 0.001 parts by weight or more, 0.005 parts by weight or more, 0.01 parts by weight or more, 0.02 parts by weight or more, 0.03 parts by weight or more, or 0.04 parts by weight or more. part or more, and may also be 2.95 parts by weight or less, 2.8 parts by weight or less, 2.5 parts by weight or less, 2.3 parts by weight or less, or 2 parts by weight or less, but is not limited thereto.
- the content of the polymerization inhibitor in the total 100 parts by weight of the composition for bonding different materials of the present invention is less than 0.006 parts by weight, storage stability such as hardening occurs in the composition even when stored at room temperature becomes poor, and conversely, if the content exceeds 0.65 parts by weight Both room temperature and high temperature adhesion and oil resistance are reduced.
- the polymerization inhibitor content in 100 parts by weight of the total composition may be 0.006 parts by weight or more, 0.007 parts by weight or more, 0.008 parts by weight or more, 0.009 parts by weight or more, or 0.01 parts by weight or more, and also 0.65 parts by weight or less, It may be 0.6 parts by weight or less, 0.55 parts by weight or less, or 0.5 parts by weight or less, but is not limited thereto.
- the (meth)acryl-modified polyurethane component included in the composition for bonding different materials of the present invention includes hydrophilic (meth)acryl-modified polyurethane and lipophilic (meth)acryl-modified polyurethane.
- the hydrophilic (meth)acrylic-modified polyurethane comprises a polymeric unit derived from an anhydrous sugar alcohol-alkylene oxide adduct; polymerized units derived from polyisocyanates; and polymerized units derived from hydroxyalkyl (meth)acrylates.
- the lipophilic (meth)acrylic-modified polyurethane is a polymeric unit derived from a lipophilic polyol; polymerized units derived from polyisocyanates; and polymerized units derived from hydroxyalkyl (meth)acrylates.
- the (meth)acryl-modified polyurethane component is based on a total of 100 parts by weight of the (meth)acryl-modified polyurethane component, 16 to 84 parts by weight of the hydrophilic (meth)acryl-modified polyurethane and the 16 to 84 parts by weight of lipophilic (meth)acrylic-modified polyurethane. If the content of hydrophilic (meth)acryl-modified polyurethane in the (meth)acryl-modified polyurethane component is too less than the above level (ie, if the content of lipophilic (meth)acryl-modified polyurethane is excessively greater than the above level), it is utilized.
- the adhesion to metal of the composition for bonding different materials prepared by the above may decrease, and conversely, if the hydrophilic (meth)acryl-modified polyurethane content is excessively greater than the above level (ie, the lipophilic (meth)acryl-modified polyurethane content If it is excessively less than the above level), the adhesive strength of the composition for bonding different materials prepared using this to the organic material may decrease.
- the hydrophilic and lipophilic (meth)acrylic-modified polyurethane is 16 parts by weight or more, 17 parts by weight or more, 18 parts by weight or more, respectively. , It may be included in an amount of 19 parts by weight or more or 20 parts by weight or more, and the hydrophilic and lipophilic (meth) acrylic-modified polyurethane is 84 parts by weight or less, 83 parts by weight or less, 82 parts by weight or less, 81 parts by weight or less, respectively It may be included in an amount of less than or equal to 80 parts by weight or less, but is not limited thereto.
- the anhydrous sugar alcohol-alkylene oxide adduct (also referred to as “anhydrosugar alcohol-alkylene glycol”) included as a polymerized unit in the hydrophilic (meth)acrylic-modified polyurethane is anhydrosugar alcohol
- an adduct obtained by reacting a hydroxyl group at both ends or one end (preferably both ends) and an alkylene oxide, hydrogen of both ends or one end (preferably both ends) hydroxyl group of anhydrous sugar alcohol is an alkylene oxide It means a compound in the form substituted with a hydroxyalkyl group, which is a ring-opening form of
- the alkylene oxide may be a C2-C8 linear or C3-C8 branched alkylene oxide, and more specifically, ethylene oxide, propylene oxide, or a combination thereof.
- the anhydrous sugar alcohol may be prepared by dehydrating natural product-derived hydrogenated sugar.
- Hydrogenated sugar also referred to as “sugar alcohol” refers to a compound obtained by adding hydrogen to a reducing end group of sugars, and is generally HOCH 2 (CHOH) n CH 2 OH (where n is an integer from 2 to 5) ), and is classified according to carbon atoms into tetratol, pentitol, hexitol, and heptitol (4, 5, 6, and 7 carbon atoms, respectively).
- hexitol having 6 carbon atoms includes sorbitol, mannitol, iditol, galactitol, and the like, and sorbitol and mannitol are particularly effective substances.
- the anhydrous sugar alcohol may be monohydrosugar alcohol, dianhydrosugar alcohol, or a mixture thereof, but is not particularly limited, but dianhydrosugar alcohol may be used.
- Monohydrosugar alcohol is anhydrosugar alcohol formed by removing one water molecule from the inside of hydrogenated sugar, and has a tetraol form with four hydroxyl groups in the molecule.
- the type of monohydrosugar alcohol is not particularly limited, but may preferably be monohydrosugar hexitol, more specifically 1,4-anhydrohexitol, 3,6-anhydrohexitol , 2,5-anhydrohexitol, 1,5-anhydrohexitol, 2,6-anhydrohexitol, or a mixture of two or more thereof.
- Anhydrosugar alcohol is anhydrosugar alcohol formed by removing two water molecules from the inside of hydrogenated sugar, and has a diol form with two hydroxyl groups in the molecule, and can be prepared using hexitol derived from starch. Since imudang alcohol is an eco-friendly material derived from renewable natural resources, research on its manufacturing method has been conducted with much interest for a long time. Among these dianhydrosugar alcohols, isosorbide prepared from sorbitol currently has the widest range of industrial applications.
- the type of dianhydrosugar alcohol is not particularly limited, but may be preferably dianhydrosugar hexitol, and more specifically, 1,4:3,6-dianhydrohexitol.
- the 1,4:3,6-dianhydrohexitol may be isosorbide, isomannide, isoidide, or a mixture of two or more thereof.
- the anhydrous sugar alcohol-alkylene oxide adduct may be a compound represented by Formula 1 below or a mixture of two or more thereof.
- R 1 and R 2 each independently represent a C 2 to C 8 linear or C 3 to C 8 branched alkylene group
- n each independently represent an integer from 0 to 15,
- n an integer of 1 to 30;
- R 1 and R 2 each independently represent an ethylene group, a propylene group or an isopropylene group, preferably R 1 and R 2 are identical to each other;
- n and n each independently represent an integer from 0 to 14;
- m+n is an integer of 1 or more, 2 or more, or 3 or more, and is an integer of 25 or less, 20 or less, 15 or less, or 12 or less, for example, an integer of 1 to 25, preferably 2 to 20 An integer, more preferably an integer of 3 to 15.
- the anhydrous sugar alcohol-alkylene oxide adduct is anhydrosugar alcohol-propylene oxide adduct represented by Formula 1-1, anhydrosugar alcohol-ethylene oxide adduct represented by Formula 1-2, or It may be a mixture of these.
- a and b each independently represents an integer from 0 to 15,
- a+b represents an integer from 1 to 30;
- a and b each independently represent an integer from 0 to 14;
- a+b is an integer of 1 or more, 2 or more, or 3 or more, and is an integer of 25 or less, 20 or less, 15 or less, or 12 or less, for example, an integer of 1 to 25, preferably 2 to 20 An integer, more preferably an integer of 3 to 15.
- c and d each independently represents an integer from 0 to 15,
- c+d represents an integer from 1 to 30;
- c and d each independently represent an integer from 0 to 14;
- c+d is an integer of 1 or more, 2 or more, or 3 or more, and is an integer of 25 or less, 20 or less, 15 or less, or 12 or less, for example, an integer of 1 to 25, preferably 2 to 20 An integer, more preferably an integer of 3 to 15.
- the anhydrous sugar alcohol-alkylene oxide adduct is prepared by: (1) treating anhydrous sugar alcohol with an acid component; And (2) it may be prepared by a manufacturing method comprising the step of adding an alkylene oxide and anhydrosugar alcohol treated with the acid component obtained in step (1).
- the anhydrous sugar alcohol-alkylene oxide adduct is prepared by: (1) treating anhydrous sugar alcohol with an acid component; (2) subjecting anhydrous sugar alcohol treated with an acid component obtained in step (1) to an addition reaction of alkylene oxide; and (3) subjecting the product obtained in step (2) to an addition reaction of an alkylene oxide in the presence of a base catalyst.
- the acid component is not particularly limited, and one selected from the group consisting of phosphoric acid, sulfuric acid, acetic acid, formic acid, heteropoly acid, or mixtures thereof may be used.
- phosphotungstic acid, phosphomolybdic acid, silicotungstic acid, or silicomolybdic acid may be used as the heteropoly acid, and others may be used.
- a commercially available acid component such as Amberlyst 15 (Dow Chemical Co., Ltd.) may be used.
- the acid treatment is carried out by using an acid component of 0.1 to 10 moles, preferably 0.1 to 8 moles, more preferably 0.1 to 5 moles based on 1 mole of anhydrous sugar alcohol, and the temperature is raised under a nitrogen atmosphere. It may be performed at a temperature (eg, 80 ° C to 200 ° C or 90 ° C to 180 ° C), and then vacuum pressure may be performed to remove moisture in the reactor, but is not limited thereto.
- the acid component used in the acid treatment facilitates ring opening of the alkylene oxide in an addition reaction of the alkylene oxide described later.
- the reaction of adding alkylene oxide to alcohol proceeds under a base catalyst.
- anhydrosugar alcohol due to its structural characteristics, the ring structure of anhydrosugar alcohol is ring-opened and decomposed by the speed at which alkylene oxide is added and the base catalyst. The speed at which it becomes becomes a competition. Accordingly, not only anhydrous sugar alcohol but also the decomposition product of anhydrous sugar alcohol reacts with alkylene oxide, and the reaction product between the decomposition product of anhydrous sugar alcohol decomposed by the base catalyst and the alkylene oxide lowers product quality problems and storage stability. can act as a factor.
- anhydrosugar alcohol is first treated with an acid component and then an alkylene oxide is subjected to an addition reaction
- the acid component not only facilitates ring opening of the alkylene oxide, but also does not produce decomposition products of anhydrosugar alcohol by a base catalyst.
- Anhydrosugar alcohol-alkylene oxide adducts can be easily produced by an addition reaction between anhydrous sugar alcohol and alkylene oxide. Therefore, when an acid-treated anhydrous sugar alcohol and an alkylene oxide are subjected to an addition reaction, the conventional problems can be solved.
- the addition reaction of the anhydrous sugar alcohol and alkylene oxide treated with the acid component is carried out at an elevated temperature (eg, 100 ° C to 180 ° C) while slowly adding the alkylene oxide to the anhydrous sugar alcohol treated with the acid component. or 120° C. to 160° C.), for example, 1 hour to 8 hours or 2 hours to 4 hours, but is not limited thereto.
- the molar ratio of the reaction between anhydrous sugar alcohol and alkylene oxide is, for example, 1 mol or more or 2 mol or more of alkylene oxide per 1 mol of anhydrous sugar alcohol, and is also 30 mol or less, 20 mol or less, 15 mol or less, or 12 mol or less. For example, it may be 1 mole to 30 moles, preferably 2 to 20 moles, but is not limited thereto.
- the addition reaction of the product obtained by the addition reaction of the alkylene oxide and the additional alkylene oxide is carried out, for example, in a high-pressure reactor capable of pressurization (eg, pressurization of 3 MPa or more), a base catalyst (eg, for example, in the presence of an alkali metal hydroxide such as sodium hydroxide or potassium hydroxide or an alkaline earth metal hydroxide such as calcium hydroxide) at an elevated temperature (eg, 100° C. to 180° C. or 120° C. to 160° C.), for example, 1 hour to 8 hours or 2 to 4 hours, but is not limited thereto.
- a high-pressure reactor capable of pressurization (eg, pressurization of 3 MPa or more)
- a base catalyst eg, for example, in the presence of an alkali metal hydroxide such as sodium hydroxide or potassium hydroxide or an alkaline earth metal hydroxide such as calcium hydroxide
- an elevated temperature eg, 100° C. to 180° C.
- the molar ratio of the reaction between anhydrous sugar alcohol and alkylene oxide is, for example, 1 mol or more, 2 mol or more, or 3 mol or more of alkylene oxide per 1 mol of anhydrous sugar alcohol, and also 30 mol or less, 20 mol or less, 15 mol or less, or 12 mol or less. or less, and may be, for example, 1 to 30 moles, preferably 2 to 20 moles, and more preferably 3 to 15 moles, but is not limited thereto.
- the acid component used in the treatment may be filtered and removed.
- the product obtained by the addition reaction of acid-treated anhydrous sugar alcohol and alkylene oxide i.e., a compound in which alkylene oxide is added to anhydrous sugar alcohol
- alkylene oxide i.e., a compound in which alkylene oxide is added to anhydrous sugar alcohol
- the ring structure of the alcohol does not open or break down. Therefore, it is very advantageous to additionally react the alkylene oxide. If the acid catalyst is continuously used even during the additional addition reaction of alkylene oxide, the acid catalyst helps promote ring opening of the alkylene oxide, but the reaction rate decreases as the number of moles of alkylene oxide added increases. That is, the rate at which alkylene oxide is added and the rate at which ring opening of the alkylene oxide itself competes.
- the rate at which the alkylene oxide is added is slowed down, and the self-condensation reaction between the ring-opening alkylene oxides and the production of by-products proceed. and may cause quality deterioration. Therefore, the additional addition reaction of alkylene oxide proceeds under a base catalyst.
- a step of removing metal ions flowing out of the used base catalyst may be additionally performed, and for this purpose, a metal ion adsorbent such as Ambosol MP20 (magnesium silicate component) may be used.
- Ambosol MP20 magnesium silicate component
- the lipophilic polyol included as a polymerization unit in the lipophilic (meth)acryl-modified polyurethane is a polyol having low surface energy characteristics, specifically, polytetrahydrofuran, polypropylene glycol, poly It may be selected from dimethylsiloxane (PDMS) polyols or combinations thereof, but is not limited thereto.
- PDMS dimethylsiloxane
- the number average molecular weight (Mn) of the lipophilic polyol is not particularly limited, but is specifically 200 to 3,000 g/mol, more specifically 500 to 2,500 g/mol, and even more specifically 700 to 3,000 g/mol. 2,300 g/mol, even more specifically between 1,000 and 2,000 g/mol. If the number average molecular weight of the lipophilic polyol is too low than the above level, the shear strength of a specimen for bonding different materials to which the composition for bonding different materials including a (meth)acrylic-modified polyurethane component manufactured using the same is applied is lowered, thereby reducing the adhesiveness.
- the polyisocyanate included as a polymerization unit in the hydrophilic and lipophilic (meth)acrylic-modified polyurethane is, for example, methylenediphenyl diisocyanate (MDI) (eg, 2,4- or 4,4 ' -methylenediphenyl diisocyanate), xylylene diisocyanate (XDI), m- or p-tetramethylxylylene diisocyanate (TMXDI), toluene diisocyanate (TDI), di- or tetra-alkyldiphenylmethane diisocyanate, 3,3'-dimethyldiphenyl-4,4'-diisocyanate (TODI), phenylene diisocyanate (e.g., 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate), naphthalene diisocyanate ( aromatic polyisocyanates such as na
- the polyisocyanate is methylenediphenyl diisocyanate (MDI), ethylene diisocyanate, 1,4-tetramethylene diisocyanate, 1,6-hexamethylene diisocyanate, 1-12-dodecane diisocyanate, Cyclobutane-1,3-diisocyanate, cyclohexane-1,3-diisocyanate, cyclohexane-1,4-diisocyanate, isophorone diisocyanate, 2,4-hexahydrotoluene diisocyanate, 2,6-hexa Hydrotoluene diisocyanate, dicyclohexylmethane-4,4'-diisocyanate (HMDI), 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, 2,4-toluene diisocyanate, 2,6 -Toluene diisocyanate, to
- the polyisocyanate may be methylenediphenyl diisocyanate (MDI), toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI), or a combination thereof.
- MDI methylenediphenyl diisocyanate
- TDI toluene diisocyanate
- HDI hexamethylene diisocyanate
- IPDI isophorone diisocyanate
- the hydroxyalkyl (meth)acrylate included as a polymerization unit in the hydrophilic and lipophilic (meth)acrylic-modified polyurethane is, for example, a linear or branched alkyl acrylate having a hydroxyl group or a hydroxyl group.
- It may be a linear or branched alkyl methacrylate, or a combination thereof, more specifically, a hydroxy-C 1-8 alkyl (meth)acrylate, that is, a linear C 1-8 alkyl acrylate having a hydroxy group, a hydroxy group It may be a branched C 3-8 alkyl acrylate having a hydroxyl group, a linear C 1-8 alkyl methacrylate having a hydroxyl group, a branched C 3-8 alkyl methacrylate having a hydroxyl group, or a combination thereof, and more specifically Hydroxymethyl Acrylate, Hydroxymethyl Methacrylate, Hydroxyethyl Acrylate, Hydroxyethyl Methacrylate, Hydroxypropyl Acrylate, Hydroxypropyl Methacrylate, Hydroxybutyl Acrylate, Hydroxybutyl Methacryl hydroxypentyl acrylate, hydroxypentyl methacrylate, 2-hydroxyethylhexyl
- the hydroxyalkyl (meth)acrylate is 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, hydroxybutyl acrylate, hydroxybutyl methacrylate or a combination thereof.
- hydrophilic (meth)acrylic-modified polyurethane may be represented by Formula 2 below:
- Each R1 is independently an alkylene group, specifically a C2-C8 linear or C3-C8 branched alkylene group, more specifically a C2-C6 linear or C3-C6 branched alkylene group,
- R2 is each independently an alkylene group, a cycloalkylene group or an arylene group, specifically a C2-C20 linear or C3-C20 branched alkylene group, a C3-C20 cycloalkylene group or a C6-C20 arylene group,
- R3 is each independently an alkylene group, specifically a C1-C8 linear or C3-C8 branched alkylene group, more specifically a C2-C6 linear or C3-C6 branched alkylene group,
- R4 is each independently a hydrogen atom or an alkyl group, specifically a hydrogen atom or a C1-C4 linear or C3-C4 branched alkyl group;
- M is a divalent organic group derived from anhydrous sugar alcohol, specifically a divalent organic group derived from isosorbide, isomannide or isoidide, more specifically selected from the following formulas,
- n and n each independently represent an integer from 0 to 15;
- m+n is an integer from 1 to 30, more specifically an integer from 1 to 25, even more specifically an integer from 1 to 20, still more specifically an integer from 3 to 15, and more specifically an integer from 5 to 15 represents the integer of
- hydrophilic (meth)acrylic-modified polyurethane may be represented by any one of the following formulas, but is not limited thereto:
- the hydrophilic (meth)acryl-modified polyurethane may be obtained by reacting anhydrosugar alcohol-alkylene oxide adduct with polyisocyanate, followed by reaction with hydroxyalkyl (meth)acrylate.
- hydrophilic (meth)acryl-modified polyurethane is prepared by: (a) reacting anhydrosugar alcohol-alkylene oxide adduct with polyisocyanate to prepare an intermediate having an isocyanate terminal; and (b) reacting the intermediate obtained from step (a) with hydroxyalkyl (meth)acrylate.
- an intermediate having an isocyanate terminal is prepared by reacting 2 equivalents of diisocyanate with 1 equivalent of an anhydrous sugar alcohol (eg, isosorbide (ISB))-alkylene oxide adduct, and then the isocyanate terminal of the intermediate is prepared.
- anhydrous sugar alcohol eg, isosorbide (ISB)
- ISB isosorbide
- the isocyanate terminal of the intermediate is prepared.
- a hydroxyalkyl (meth)acrylate eg, 2-hydroxyethyl methacrylate
- the reaction of the anhydrous sugar alcohol-alkylene oxide adduct with the polyisocyanate optionally in the presence of a catalyst (eg, a tin-based catalyst such as dibutyltin dilaurate (DBTDL)), at room temperature or It may be performed under elevated temperature (eg, 50 to 100 ° C, preferably 50 to 70 ° C) for an appropriate time (eg, 0.1 to 5 hours, preferably 0.5 to 2 hours).
- a catalyst eg, a tin-based catalyst such as dibutyltin dilaurate (DBTDL)
- elevated temperature eg, 50 to 100 ° C, preferably 50 to 70 ° C
- an appropriate time eg, 0.1 to 5 hours, preferably 0.5 to 2 hours.
- the reaction product of the anhydrous sugar alcohol-alkylene oxide adduct and polyisocyanate (ie, the intermediate obtained from step (a)) and hydroxyalkyl (meth) acrylate is optionally a catalyst (
- a catalyst for example, in the presence of a tin-based catalyst such as dibutyltin dilaurate (DBTDL), under elevated temperature (eg, at 50 to 100 ° C, preferably 50 to 70 ° C) for a suitable time (eg, 0.1 to 5 hours, preferably from 0.5 to 2 hours).
- DBTDL dibutyltin dilaurate
- the lipophilic (meth)acrylic-modified polyurethane may be represented by Formula 3 below:
- R1 is each independently an alkylene group, a cycloalkylene group or an arylene group,
- R2 is each independently an alkylene group
- R3 is each independently a hydrogen atom or an alkyl group
- L is a divalent organic group derived from a lipophilic polyol
- the number average molecular weight of the lipophilic polyol is 200 to 3,000 g/mol.
- R1 is each independently a C2-C20 linear or C3-C20 branched alkylene group, a C3-C20 cycloalkylene group or a C6-C20 arylene group,
- R2 is each independently a C1-C8 linear or C3-C8 branched alkylene group
- R3 is each independently a hydrogen atom or a C1-C4 linear or C3-C4 branched alkyl group
- L is a divalent organic group derived from a lipophilic polyol selected from polytetrahydrofuran, polypropylene glycol, polydimethylsiloxane (PDMS) polyol, or combinations thereof;
- a lipophilic polyol selected from polytetrahydrofuran, polypropylene glycol, polydimethylsiloxane (PDMS) polyol, or combinations thereof;
- the lipophilic polyol has a number average molecular weight of 500 to 2,500 g/mol.
- the lipophilic (meth)acryl-modified polyurethane may be obtained by reacting polyisocyanate with lipophilic polyol, followed by reaction with hydroxyalkyl (meth)acrylate.
- the lipophilic (meth)acryl-modified polyurethane is prepared by preparing an intermediate having an isocyanate terminal by reacting a lipophilic polyol and a polyisocyanate; and (d) reacting the intermediate obtained from step (c) with hydroxyalkyl (meth)acrylate.
- 2 equivalents of diisocyanate are reacted with 1 equivalent of a lipophilic polyol (e.g., polytetrahydrofuran having a number average molecular weight of 200 to 3,000 g/mol, polypropylene glycol, or polydimethylsiloxane diol) to form an isocyanate terminal
- a lipophilic polyol e.g., polytetrahydrofuran having a number average molecular weight of 200 to 3,000 g/mol, polypropylene glycol, or polydimethylsiloxane diol
- the isocyanate terminal of the intermediate is reacted with 2 equivalents of a hydroxyalkyl (meth)acrylate (eg, 2-hydroxyethyl methacrylate) to obtain a lipophilic (meth)acrylic-modified polyurethane.
- a hydroxyalkyl (meth)acrylate eg, 2-hydroxyethyl methacrylate
- the reaction of the lipophilic polyol with the polyisocyanate is carried out at room temperature or under elevated temperature (eg, 50° C. to 100° C., preferably 50 to 70° C.) for an appropriate time (eg, 0.1 to 5 hours, preferably 0.5 to 2 hours).
- the reaction product of the lipophilic polyol and polyisocyanate (ie, the intermediate obtained from step (c)) and hydroxyalkyl (meth)acrylate is optionally a catalyst (eg, dibutyltin di in the presence of a tin-based catalyst such as laurate (DBTDL), under elevated temperature (e.g., at 50 to 100° C., preferably at 50 to 70° C.) for a suitable time (e.g., 0.1 to 5 hours, preferably 0.5 hours to 2 hours) can be performed.
- a catalyst eg, dibutyltin di in the presence of a tin-based catalyst such as laurate (DBTDL)
- DBTDL laurate
- a suitable time e.g., 0.1 to 5 hours, preferably 0.5 hours to 2 hours
- the (meth)acrylic-modified polyurethane component is (1) an intermediate having an isocyanate terminal by reacting a polyol component including an anhydrous sugar alcohol-alkylene oxide adduct and a lipophilic polyol with polyisocyanate. manufacturing; and (2) reacting the intermediate obtained from step (1) with hydroxyalkyl (meth)acrylate (first preparation method).
- the (meth)acryl-modified polyurethane component is a method comprising mixing hydrophilic (meth)acryl-modified polyurethane and lipophilic (meth)acryl-modified polyurethane (second manufacturing method). ), and more specifically, (i) polymerized units derived from anhydrous sugar alcohol-alkylene oxide adducts; polymerized units derived from polyisocyanates; and a polymerized unit derived from a hydroxyalkyl (meth)acrylate; a polymerized unit derived from a hydrophilic (meth)acryl-modified polyurethane and (ii) a lipophilic polyol; polymerized units derived from polyisocyanates; And a polymer unit derived from hydroxyalkyl (meth) acrylate; it can be prepared by a method comprising the step of mixing a lipophilic (meth) acrylic-modified polyurethane comprising a.
- the polyol component in the first method for producing the (meth)acrylic-modified polyurethane component, the polyol component, based on the total of 100 parts by weight of the polyol component, anhydrous sugar alcohol-alkylene oxide adducts 16 to 84 parts by weight and 16 to 84 parts by weight of lipophilic polyol, and more specifically, within 100 parts by weight of the total polyol component, anhydrosugar alcohol-alkylene oxide adduct and lipophilic polyol are each 16 parts by weight or more, 17 parts by weight or more, 18 parts by weight or more, 19 parts by weight or more, or 20 parts by weight or more, and anhydrosugar alcohol-alkylene oxide adduct and lipophilic polyol are 84 parts by weight or less and 83 parts by weight or less, respectively. , 82 parts by weight or less, 81 parts by weight or less, or may be included in an amount of 80 parts by weight or less, but is not limited thereto.
- the reaction between the polyol component and polyisocyanate in step (1) is optionally a catalyst (eg, dibutyltin dilaurate).
- a catalyst eg, dibutyltin dilaurate
- tin-based catalyst such as DBTDL
- tin-based catalyst such as DBTDL
- a suitable time eg, 0.1 to 5 hours, preferably 0.5 hours
- the reaction product of the polyol component and polyisocyanate in step (2) i.e., the intermediate obtained from step (1)
- hydroxyalkyl (meth)acrylate is optionally a catalyst (eg, tin-based catalyst such as dibutyltin dilaurate (DBTDL)), under elevated temperature (eg, at 50 to 100 ° C, preferably 50 to 70 ° C) for a suitable time (eg, 0.1 to 5 hours) , preferably from 0.5 to 2 hours).
- DBTDL dibutyltin dilaurate
- (i) hydrophilic (meth)acryl - 16 to 84 parts by weight of modified polyurethane and (ii) lipophilic (meth) acrylic-modified polyurethane may be mixed with 16 to 84 parts by weight, more specifically, (i) hydrophilic and (ii) lipophilic (meth) )
- Acrylic-modified polyurethane may be mixed in an amount of 16 parts by weight or more, 17 parts by weight or more, 18 parts by weight or more, 19 parts by weight or more or 20 parts by weight or more, respectively, and also the hydrophilic and lipophilic (meth) acrylic- Modified polyurethane may be mixed in an amount of 84 parts by weight or less, 83 parts by weight or less, 82 parts by weight or less, 81 parts by weight or less, or 80 parts by weight or less,
- the method for preparing each of the (i) hydrophilic and (ii) lipophilic (meth)acryl-modified polyurethanes mixed in the second method for preparing the (meth)acryl-modified polyurethane component is as described above.
- the (meth)acrylic monomer included in the composition for bonding different materials of the present invention improves workability such as application on an adhesive substrate by adjusting the viscosity of the composition for bonding different materials, and the heat curing rate of the composition for bonding different materials It is possible to improve the adhesiveness by improving the strength of the cured product.
- the (meth)acrylic monomer included in the composition for bonding different materials of the present invention may be one or more monomers having 1 to 4 (meth)acrylic groups in a molecule.
- Examples of the (meth)acrylic monomer having one (meth)acrylic group in the molecule include (meth)acrylic acid, lauryl (meth)acrylate, stearyl (meth)acrylate, and ethyl carbitol ( Meth)acrylate, tetrahydrofurfuryl (meth)acrylate, caprolactone-modified tetrahydrofurfuryl (meth)acrylate, cyclohexyl (meth)acrylate, dicyclopentanyl (meth)acrylate, isobornyl (meth)acrylate )Acrylate, benzyl (meth)acrylate, phenyl (meth)acrylate, phenoxyethyl (meth)acrylate, phenoxydiethylene glycol (meth)acrylate, phenoxytetraethylene glycol (meth)acrylate, nonylphenox Ciethyl (meth)acrylate, nonylphenoxytetraethylene glycol (
- the monomer having two or more (eg, 2 to 4) (meth)acrylic groups in the molecule is exemplarily 1,6-hexanediol diacrylate (1,6 -hexanediol diacrylate (HDDA), butanediol diacrylate (BDDA), tripropylene glycol diacrylate (TPGDA), bisphenol A [EO]4 ⁇ 30 diacrylate (bisphenol A [EO]4 ⁇ 30 diacrylate, BPA[EO]4 ⁇ 30DA, EO is an ethylene oxide unit), trimethylolpropane triacrylate (TMPTA), trimethylolpropane [EO]3 ⁇ 15 triacrylate (trimethylolpropane [EO]3 ⁇ 15 triacrylate, TMP[EO]3 ⁇ 15TA, EO is an ethylene oxide unit), pentaerythritol triacrylate (PETA), pentaerythritol tetraacrylate (PETA), pentaerythritol triacrylate
- the epoxy resin included in the composition for bonding different materials of the present invention is used to improve the adhesiveness by improving the strength of the cured product of the composition for bonding different materials.
- the epoxy resin included in the composition for bonding different materials of the present invention may be an epoxy resin having two or more epoxy groups in a molecule.
- the epoxy resin one type may be used alone or a mixture of two or more types may be used.
- epoxy resin having two or more epoxy groups examples include bisphenol-based epoxy resins, phenol novolac-based epoxy resins, o-cresol novolac-based epoxy resins, multifunctional epoxy resins, amine-based epoxy resins, heterocyclic-containing epoxy resins, substituted epoxy resins, naphthol-based epoxy resins, or combinations thereof, but are not limited thereto.
- the epoxy curing accelerator included in the composition for bonding different materials of the present invention is used to improve the curing speed of the epoxy resin.
- the epoxy curing accelerator included in the composition for bonding different materials of the present invention is exemplarily substituted imidazole, such as 1-methylimidazole, 2-methylimidazole, 2-ethyl- 4-methylimidazole, 2-phenylimidazole, 1-cyanoethylimidazole, imidazolines such as 2-phenylimidazolin, tertiary amines such as N,N-dimethylbenzylamine, 2, 4,6-tris(dimethylaminomethyl)phenol (DMP30), bisphenol A, bisphenol F, nonylphenol, p-tert-butylphenol, novolak type phenolic resin, salicylic acid, p-toluenesulfonic acid, 1,4-dia Zabicyclo[2.2.2]octane (DABCO), 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), S-triazine (Lupragen N600
- the thermal polymerization initiator included in the composition for bonding different materials of the present invention is used to initiate polymerization of the (meth)acrylic monomer and the (meth)acrylic-modified polyurethane component to accelerate curing.
- the thermal polymerization initiator included in the composition for bonding different materials of the present invention is, exemplarily, a compound represented by Formula 4-1, a compound represented by Formula 4-2, or a mixture thereof. selected, but not limited to:
- R and R' are each independently a C2-C8 linear or C3-C8 branched alkyl group; C3-C20 cycloalkyl group; C6-C20 aryl group; or a C2-C8 linear or C3-C8 branched methoxy-alkyl group;
- X is -CN or -CO 2 R”, where R” is a C2-C8 linear or C3-C8 branched alkyl group; C3-C20 cycloalkyl group; or a C6-C20 aryl group;
- R are each independently a C2-C8 linear or C3-C8 branched alkyl group; C3-C20 cycloalkyl group; or a C6-C20 aryl group.
- the polymerization inhibitor included in the composition for bonding different materials of the present invention is used to improve storage stability before use of the composition by suppressing a room temperature curing reaction in the composition that occurs naturally when the composition for bonding different materials is not used.
- the polymerization inhibitor included in the composition for bonding different materials of the present invention is, exemplarily, hydroquinone (HQ), hydroquinone monomethyl ether (MEHQ), hydroquinone monoethyl ether (EEHQ), or these It may be selected from mixtures of, but is not limited thereto.
- composition for bonding different materials according to the present invention may further include one or more additive components that may be commonly included in the bonding composition, in addition to the above-described components.
- the (meth) acrylic-modified polyurethane component comprising the hydrophilic (meth) acrylic-modified polyurethane and the lipophilic (meth) acrylic-modified polyurethane is 25.5 to 50 parts by weight 84.5 parts by weight; 9.5 to 63.5 parts by weight of (meth)acrylic monomer; 2.5 to 34.5 parts by weight of an epoxy resin; 0.06 to 2.95 parts by weight of an epoxy curing accelerator; 0.0006 to 2.95 parts by weight of a thermal polymerization initiator; and 0.006 to 0.65 parts by weight of a polymerization inhibitor; and a method for preparing a composition for bonding different materials, including the step of mixing.
- the (meth)acrylic-modified polyurethane component In the preparation method of the composition for bonding different materials, the (meth)acrylic-modified polyurethane component, the (meth)acrylic monomer, the epoxy resin, the epoxy curing accelerator, the thermal polymerization initiator, and the polymerization inhibitor are as described above.
- a mixture of the above components i.e., (meth)acrylic-modified polyurethane component, (meth)acrylic monomer, epoxy resin, epoxy curing accelerator, thermal polymerization initiator and polymerization inhibitor, and optional additional additives
- It may be performed in an environment managed at 60 ° C or less (eg, 10 to 60 ° C).
- an article to which the composition for bonding different materials of the present invention is applied is provided.
- the heterogeneous material may be a metal material and a material other than metal (eg, an organic material such as a plastic material).
- the article is a metal material; material other than metal; and an adhesive layer between them, wherein the adhesive layer may include the composition for bonding different materials according to the present invention.
- the inside of the reactor was substituted with nitrogen and/or vacuum was reduced.
- the temperature inside the reactor is cooled to 60° C. to 90° C., and residual by-products are removed to obtain 362 g of a transparent liquid isosorbide-ethylene oxide 5-mol adduct.
- propylene oxide was used as an additive reaction raw material. Specifically, instead of firstly adding 88g of ethylene oxide, 116g of propylene oxide was firstly added, and instead of secondly adding 132g of ethylene oxide, 174g of propylene oxide was added. 423 g of a transparent liquid isosorbide-propylene oxide 5 mol adduct was obtained by performing the same method as in Preparation Example 1, except that the tea was added.
- propylene oxide was used as an additive reaction raw material. Specifically, instead of firstly adding 88g of ethylene oxide, 116g of propylene oxide was firstly added, and instead of secondly adding 132g of ethylene oxide, 465g of propylene oxide was added. 698 g of a transparent liquid isosorbide-propylene oxide 10 mol adduct was obtained by performing the same method as in Preparation Example 1, except that the tea was added.
- Preparation Example A1 Polypropylene glycol (80 parts by weight based on 100 parts by weight of total polyol) and isosorbide-ethylene oxide 5 mol adduct as polyol (20 parts by weight based on 100 parts by weight of total polyol), isophorone diisocyanate as polyisocyanate (IPDI), using 2-hydroxyethyl methacrylate as a hydroxyalkyl (meth)acrylate to prepare a (meth)acrylic-modified polyurethane component
- IPDI isophorone diisocyanate
- DBTDL dibutyltin dilaurate
- Production Example A2 polytetrahydrofuran (50 parts by weight based on 100 parts by weight of total polyol) and isosorbide-ethylene oxide 10 mole adduct (50 parts by weight based on 100 parts by weight of total polyol) as polyol, hexamethylene di as polyisocyanate
- polytetrahydrofuran 50 parts by weight based on 100 parts by weight of total polyol
- isosorbide-ethylene oxide 10 mole adduct 50 parts by weight based on 100 parts by weight of total polyol
- hexamethylene di as polyisocyanate
- polyisocyanate 270 g of hexamethylene diisocyanate (HDI) was used instead of isophorone diisocyanate (IPDI), and polypropylene glycol (number average molecular weight: 1,000 g/mol, Kumho Petrochemical Co., Ltd.) and Preparation Example as polyol Polytetrahydrofuran (number average molecular weight: 2,000 g/mol, Aldrich Co., Ltd.) 365 g and isosorbide-ethylene obtained in Preparation Example 2 in place of the isosorbide-ethylene oxide 5 mol adduct obtained in 1
- the same method as in Preparation Example A1 except that 365 g of 10 mole oxide adduct was used and 186 g of 2-hydroxyethyl acrylate was used instead of 2-hydroxyethyl methacrylate as hydroxyalkyl (meth)acrylate.
- Production Example A3 polydimethylsiloxane diol (20 parts by weight based on 100 parts by weight of total polyol) as polyol and 5 moles of isosorbide-propylene oxide adduct (80 parts by weight based on 100 parts by weight of total polyol), methylenediphenyl as polyisocyanate
- (meth)acrylic-modified polyurethane component using 2-hydroxyethyl methacrylate as diisocyanate (MDI), hydroxyalkyl (meth)acrylate
- polystyrene resin As a polyisocyanate, 700 g of methylenediphenyl diisocyanate (MDI) was used instead of isophorone diisocyanate (IPDI), and polypropylene glycol (number average molecular weight: 1,000 g/mol, Kumho Petrochemical Co., Ltd.) was used as a polyol.
- MDI methylenediphenyl diisocyanate
- IPDI isophorone diisocyanate
- polypropylene glycol number average molecular weight: 1,000 g/mol, Kumho Petrochemical Co., Ltd.
- Production Example A4 Polytetrahydrofuran (30 parts by weight based on 100 parts by weight of total polyol) and isosorbide-propylene oxide 10 mol adduct (70 parts by weight based on 100 parts by weight of total polyol) as polyol, isophorone di as polyisocyanate
- IPDI isocyanate
- Preparation Example A5 Hydrophilic (meth)acryl-modified polyurethane and lipophilic (meth)acryl-modified polyurethane were respectively prepared and then mixed to prepare a (meth)acryl-modified polyurethane component
- polypropylene glycol (number average molecular weight: 1,000 g/mol, Kumho Petrochemical Co., Ltd.) was not used, except that only 981 g of the isosorbide-ethylene oxide 5 mol adduct obtained in Preparation Example 1 was used. 1,930 g of (meth)acrylic-modified polyurethane of Formula A-1 was obtained by performing the same method as in Preparation Example A1.
- polystyrene resin As a polyol component, only 1,349 g of polypropylene glycol (number average molecular weight: 1,000 g/mol, Kumho Petrochemical Co., Ltd.) was used without using the 5 mol adduct of isosorbide-ethylene oxide obtained in Preparation Example 1. 2,250 g of (meth)acrylic-modified polyurethane of Formula A-2 was obtained by performing the same method as in Preparation Example A1 except for the following.
- Preparation Example A6 Hydrophilic (meth)acryl-modified polyurethane and lipophilic (meth)acryl-modified polyurethane were respectively prepared and then mixed to prepare a (meth)acryl-modified polyurethane component
- the content of the (meth)acryl-modified polyurethane of the obtained formula A-1 was changed from 200 g to 500 g, and the content of the obtained (meth)acryl-modified polyurethane of the formula A-2 was changed from 800 g to 500 g.
- (Meth) acrylic-modified polyurethane of Formula A-1 and (meth) acrylic-modified polyurethane of Formula A-2 were simply mixed in the same manner as in Preparation Example A5, except for changing to ) 1,000 g of an acrylic-modified polyurethane component was obtained.
- the content of the (meth)acryl-modified polyurethane of the obtained formula A-1 was changed from 200 g to 800 g, and the content of the obtained (meth)acryl-modified polyurethane of the formula A-2 was changed from 800 g to 200 g.
- (Meth) acrylic-modified polyurethane of Formula A-1 and (meth) acrylic-modified polyurethane of Formula A-2 were simply mixed in the same manner as in Preparation Example A5, except for changing to ) 1,000 g of an acrylic-modified polyurethane component was obtained.
- Comparative Preparation Example A2 (meth)acrylic-modified polyurethane using polypropylene glycol as polyol, isophorone diisocyanate (IPDI) as polyisocyanate, and 2-hydroxyethyl methacrylate as hydroxyalkyl (meth)acrylate manufacturing
- (meth) acrylic-modified polyurethane component (meth)acrylic monomers; epoxy resin; epoxy cure accelerator; thermal polymerization initiator; and polymerization inhibitors totaled 100 parts by weight.
- 1,4-BDGE 1,4-butanediol diglycidyl ether (Kukdo Chemical Co., Ltd.)
- compositions for bonding different materials prepared in Examples A1 to A7 and Comparison A1 to A14 were applied to the surface of a rolled steel plate cut into 2.5 cm x 12 cm and a carbon fiber reinforced plastic (CFRP) cut to a size of 2.5 cm x 12 cm. After each application was applied in an area of cm x 1.25 cm, the thickness was adjusted using 0.2 mm glass beads, and each of the coated areas was overlapped and fixed, and then heated and cured at 100 ° C. for 2 minutes to prepare a heterogeneous material adhesive specimen. Adhesion, oil resistance, and storage stability of each of the specimens were evaluated by the following physical property measurement method, and the results are shown in Table 2 below.
- the shear strength of each of the dissimilar material bonded specimens immersed by the adhesiveness measurement method described above (1) was measured. It was measured 5 times, and the average value was calculated. After that, the shear strength reduction rate (%) after immersion compared to the shear strength before immersion of each bonded specimen of different materials was calculated. It means that oil resistance is so excellent that the reduction rate of shear strength is low.
- Shear strength reduction rate (%) (Shear strength before immersion - Shear strength after immersion) x 100/Shear strength before immersion
- compositions for bonding different materials prepared in Examples A1 to A7 and A1 to A14 for comparison were put into transparent glass vials, respectively, sealed, left at room temperature (23° C.) for 3 days, and cured visually.
- the shear strength at room temperature 23 ° C. was 23
- the adhesion between different materials excellent at more than MPa but the adhesiveness was maintained at more than 17 MPa even at high temperature (100°C), and the shear strength reduction rate was less than 20% even after being immersed in mineral oil at 90°C for 50 hours.
- the adhesion was excellently maintained, and the oil resistance was also excellent.
- Comparative Example A10 In the case of the composition for bonding different materials, both room temperature and high temperature adhesiveness were deteriorated.
- the adhesiveness between different materials at room temperature was excellent, and the adhesiveness was maintained even when heated to a high temperature or in high temperature oil, and thus the adhesiveness at high temperature and oil resistance were excellent. Confirmed.
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Abstract
Description
Claims (18)
- 조성물 총 100 중량부 기준으로,친수성 (메트)아크릴-변성 폴리우레탄과 친유성 (메트)아크릴-변성 폴리우레탄을 포함하는 (메트)아크릴-변성 폴리우레탄 성분 25.5 내지 84.5 중량부;(메트)아크릴 모노머 9.5 내지 63.5 중량부;에폭시 수지 2.5 내지 34.5 중량부;에폭시 경화 촉진제 0.06 내지 2.95 중량부;열중합 개시제 0.0006 내지 2.95 중량부; 및중합 억제제 0.006 내지 0.65 중량부;를 포함하는,이종 소재 접착용 조성물.
- 제1항에 있어서,친수성 (메트)아크릴-변성 폴리우레탄은 무수당 알코올-알킬렌 옥사이드 부가물로부터 유래된 중합 단위; 폴리이소시아네이트로부터 유래된 중합 단위; 및 히드록시알킬 (메트)아크릴레이트로부터 유래된 중합 단위;를 포함하고,친유성 (메트)아크릴-변성 폴리우레탄은 친유성 폴리올로부터 유래된 중합 단위; 폴리이소시아네이트로부터 유래된 중합 단위; 및 히드록시알킬 (메트)아크릴레이트로부터 유래된 중합 단위;를 포함하는,이종 소재 접착용 조성물.
- 제1항에 있어서, (메트)아크릴-변성 폴리우레탄 성분 총 100 중량부 내에 친수성 (메트)아크릴-변성 폴리우레탄 16 내지 84 중량부 및 친유성 (메트)아크릴-변성 폴리우레탄 16 내지 84 중량부가 포함되는, 이종 소재 접착용 조성물.
- 제2항에 있어서, 무수당 알코올-알킬렌 옥사이드 부가물은 무수당 알코올의 양 말단 또는 일 말단의 히드록시기와 알킬렌 옥사이드를 반응시켜 얻어지는 것이며, 여기서 상기 알킬렌 옥사이드는 탄소수 2 내지 8의 선형 또는 탄소수 3 내지 8의 분지형 알킬렌 옥사이드인, 이종 소재 접착용 조성물.
- 제4항에 있어서, 무수당 알코올은 이소소르비드, 이소만니드, 이소이디드 또는 이들의 조합인, 이종 소재 접착용 조성물.
- 제2항에 있어서, 폴리이소시아네이트는 메틸렌디페닐 디이소시아네이트(MDI), 톨루엔 디이소시아네이트(TDI), 헥사메틸렌 디이소시아네이트(HDI), 이소포론 디이소시아네이트(IPDI), 또는 이들의 조합인, 이종 소재 접착용 조성물.
- 제2항에 있어서, 히드록시알킬 (메트)아크릴레이트는 히드록시-C1-8알킬 (메트)아크릴레이트인, 이종 소재 접착용 조성물.
- 제8항에 있어서, 상기 화학식 2에서,R1은 각각 독립적으로 C2-C8의 선형 또는 C3-C8의 분지형 알킬렌기이고,R2는 각각 독립적으로 C2-C20의 선형 또는 C3-C20의 분지형 알킬렌기, C3-C20의 사이클로알킬렌기 또는 C6-C20의 아릴렌기이며,R3는 각각 독립적으로 C1-C8의 선형 또는 C3-C8의 분지형 알킬렌기이고,R4는 각각 독립적으로 수소 원자 또는 C1-C4의 선형 또는 C3-C4의 분지형 알킬기이며,M은 이소소르비드, 이소만니드 또는 이소이디드로부터 유도된 2가의 유기기이고,m 및 n은 각각 독립적으로 0 내지 15의 정수를 나타내며,m+n은 1 내지 25의 정수를 나타내는,이종 소재 접착용 조성물.
- 제2항에 있어서, 친유성 폴리올은 폴리테트라하이드로푸란, 폴리프로필렌글리콜, 폴리디메틸실록산(PDMS) 폴리올 또는 이들의 조합으로부터 선택되는 것인, 이종 소재 접착용 조성물.
- 제11항에 있어서, 상기 화학식 3에서,R1은 각각 독립적으로 C2-C20의 선형 또는 C3-C20의 분지형 알킬렌기, C3-C20의 사이클로알킬렌기 또는 C6-C20의 아릴렌기이며,R2는 각각 독립적으로 C1-C8의 선형 또는 C3-C8의 분지형 알킬렌기이고,R3은 각각 독립적으로 수소 원자 또는 C1-C4의 선형 또는 C3-C4의 분지형 알킬기이며,L은 폴리테트라하이드로푸란, 폴리프로필렌글리콜, 폴리디메틸실록산(PDMS) 폴리올 또는 이들의 조합으로부터 선택되는 친유성 폴리올로부터 유도된 2가의 유기기이고,친유성 폴리올의 수평균분자량은 500 내지 2,500 g/mol인,이종 소재 접착용 조성물.
- 제1항에 있어서, (메트)아크릴 모노머는 분자 내에 (메트)아크릴기를 1개 내지 4개 갖는 모노머인, 이종 소재 접착용 조성물.
- 제1항에 있어서, 에폭시 수지는 분자 내에 2개 이상의 에폭시 기를 갖는 수지인, 이종 소재 접착용 조성물.
- 제1항에 있어서, 열중합 개시제는 하기 화학식 4-1로 표시되는 화합물, 하기 화학식 4-2로 표시되는 화합물 또는 이들의 혼합물로부터 선택되는 것인, 이종 소재 접착용 조성물:[화학식 4-1]상기 화학식 4-1에서,R 및 R’은 각각 독립적으로, C2-C8의 선형 또는 C3-C8의 분지형 알킬기; C3-C20의 사이클로알킬기; C6-C20의 아릴기; 또는 C2-C8의 선형 또는 C3-C8의 분지형 메톡시-알킬기이고,X는 -CN 또는 -CO2R”이며, 여기서 R”는 C2-C8의 선형 또는 C3-C8의 분지형 알킬기; C3-C20의 사이클로알킬기; 또는 C6-C20의 아릴기이고;[화학식 4-2]상기 화학식 4-2에서,R은 각각 독립적으로 C2-C8의 선형 또는 C3-C8의 분지형 알킬기; C3-C20의 사이클로알킬기; 또는 C6-C20의 아릴기이다.
- 혼합물 총 100 중량부 기준으로, 친수성 (메트)아크릴-변성 폴리우레탄과 친유성 (메트)아크릴-변성 폴리우레탄을 포함하는 (메트)아크릴-변성 폴리우레탄 성분 25.5 내지 84.5 중량부; (메트)아크릴 모노머 9.5 내지 63.5 중량부; 에폭시 수지 2.5 내지 34.5 중량부; 에폭시 경화 촉진제 0.06 내지 2.95 중량부; 열중합 개시제 0.0006 내지 2.95 중량부; 및 중합 억제제 0.006 내지 0.65 중량부;를 혼합하는 단계를 포함하는,이종 소재 접착용 조성물의 제조 방법.
- 제1항 내지 제15항 중 어느 한 항의 이종 소재 접착용 조성물이 적용된 물품.
- 제17항에 있어서, 금속 소재; 금속 이외의 소재; 및 이들 사이의 접착제 층을 포함하고, 상기 접착제 층은 제1항 내지 제15항 중 어느 한 항의 이종 소재 접착용 조성물을 포함하는, 물품.
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