KR102120589B1 - Adhesive composition for furniture molding having excellent adhesion and antioxidant property and material for furniture molding - Google Patents

Adhesive composition for furniture molding having excellent adhesion and antioxidant property and material for furniture molding Download PDF

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KR102120589B1
KR102120589B1 KR1020190071230A KR20190071230A KR102120589B1 KR 102120589 B1 KR102120589 B1 KR 102120589B1 KR 1020190071230 A KR1020190071230 A KR 1020190071230A KR 20190071230 A KR20190071230 A KR 20190071230A KR 102120589 B1 KR102120589 B1 KR 102120589B1
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weight
antioxidant
resin
adhesive composition
furniture
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이흥수
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이흥수
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Priority to CN202010551418.7A priority patent/CN112094606A/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C08L57/02—Copolymers of mineral oil hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
    • C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
    • C09K15/06—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing oxygen
    • C09K15/08—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing oxygen containing a phenol or quinone moiety
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
    • C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
    • C09K15/32—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal
    • C09K15/322—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal containing only phosphorus
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00—Feet for furniture in general
    • A47B91/06—Gliders or the like
    • A47B2091/063—Gliders or the like self-adhesive
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C09J2201/622—
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The present invention relates to a furniture molding adhesive including: 40 to 60 wt% of ethylene-vinyl acetate copolymer; 15 to 25 wt% of wax; 5.0 to 10 wt% of water white resin; 5.0 to 10 wt% of rosin ester; 5.0 to 10 wt% of dicyclopentadiene water white resin; 2.5 to 5.0 wt% of C5 aromatic petroleum resin; 2.5 to 5.0 wt% of C9 aliphatic petroleum resin; and 0.2 to 1.5 wt% of antioxidant as a residue. Therefore, according to the present invention, the antioxidant is added together with dicyclopentadiene water white resin, thereby facilitating the adhesion, and a cross-linking phenomenon caused by radicals is suppressed, thereby ensuring the excellent quality and the long lifespan.

Description

우수한 접착성과 산화방지성을 겸비하는 가구 몰딩용 접착 조성물 및 이에 의한 가구 몰딩용 자재{Adhesive composition for furniture molding having excellent adhesion and antioxidant property and material for furniture molding}Adhesive composition for furniture molding having excellent adhesion and antioxidant property and material for furniture molding}

본 발명은 가구 몰딩용 접착제에 관한 기술사상을 개진한 것으로,보다 구체적으로는 우수한 접착력과 산화방지로 전반적인 몰딩성능을 향상시킬 수 있는 가구 몰딩용 접착 조성물 및 이에 의한 가구 몰딩용 자재에 관한 것이다.The present invention is a technical idea related to an adhesive for furniture molding, and more particularly, to an adhesive composition for furniture molding that can improve the overall molding performance by excellent adhesion and oxidation prevention, and a material for furniture molding thereby.

접착이란 분자, 원자, 이온 사이의 인력에 의해 두 표면이 붙여진 상태를 말하며, 접착 현상은 테이프, 본드 등의 일상 생활용품뿐만 아니라 자동차, 최첨단 반도체 소자에 이르기까지 우리 생활 속에서 광범위하게 응용되고 있으며, 최근에는 현저한 산업발전에 따라 각 분야별 접착제에 대한 요구가 다양화되고 있다.Adhesion refers to the state where two surfaces are attached by the attraction between molecules, atoms, and ions, and the adhesion phenomenon is widely applied in our daily life, not only in daily life products such as tapes and bonds, but also in automobiles and cutting-edge semiconductor devices. , Recently, the demand for adhesives in each field has been diversified according to the remarkable industrial development.

고분자 접착제는 고화되는 공정에 따라 화학 반응형, 용제형, 핫멜트형 등으로 구분할 수 있다. 이 중 핫멜트 접착제는 사용이 간편하고 최근 대두되고 있는 환경에 대한 요구사항을 충족시킬 수 있는 대표적인 예이다.Polymer adhesives can be divided into chemical reaction type, solvent type, and hot melt type according to the solidifying process. Among them, hot melt adhesive is a representative example that is easy to use and can meet the requirements for the recently emerging environment.

여기서 핫멜트 접착제(열용융 접착제)는 상온에서 고체상의 물질로 용매에 용해하거나 분산시키지 않고 100% 고형분만을 열에 용융시켜 액상으로 만들어 사용하는 접착제이다. 핫멜트 접착제는 1960년대에 DuPont사가 에틸렌-비닐아세테이트 수지(EVA)를 최초로 개발함에 따라 공정 자동화를 통한 높은 생산성과 환경 친화적 특징, 광범위한 적용가능성, 재 접착 가능성 등의 장점으로 기존의 용제형 접착제에 비해 높은 성장률을 보이고 있다.Here, the hot-melt adhesive (heat-melting adhesive) is an adhesive used to melt 100% solids in heat without dissolving or dispersing them in a solvent as a solid material at room temperature. Hot-melt adhesive was developed in the 1960s by DuPont for the first time in ethylene-vinyl acetate resin (EVA), and it has advantages such as high productivity and environment-friendly features through process automation, wide applicability, and re-adhesion. It is showing a high growth rate.

이러한 핫멜트 접착제는 용융상태에서 피착면에 도포된 후 피착체 표면 및 주위에 열을 발산함으로 냉각고화가 된다. 핫멜트 접착제는 다른 용제형 접착제나 수분산형 접착제 등에 비해 건조과정이 필요 없이 작업공간이 적고 접착속도가 빠른 특징을 가지고 있다.The hot-melt adhesive is cooled and solidified by dissipating heat on and around the adherend after being applied to the adherend in a molten state. Hot-melt adhesives have the characteristics of less work space and faster bonding speed without the need for drying compared to other solvent-based adhesives or water-dispersion adhesives.

한편, 가구는 합판 또는 목재 등을 이용하여 제조되며, 가구 엣지(edge) 부위를 미려하게 마감하기 위해, 소정의 무늬가 인쇄된 마감재인, 엣지밴드(edge band)를 사용하여 마감하고 있다.On the other hand, furniture is manufactured using plywood or wood, and is finished using an edge band, which is a finishing material having a predetermined pattern printed therein, in order to finish the furniture edge portion beautifully.

기존의 엣지밴드는 열가소성 수지로 이루어지는 기재의 일면에 전사지를 통해 소정의 무늬를 형성하고, 기재의 타면에 프라이머를 도포하여 프라이머층을 형성하여 제조되었으며, 엣지밴드의 프라이머층을 가구 엣지 부위에 열을 이용하여 부착하였다.The existing edge band was produced by forming a predetermined pattern through a transfer paper on one side of a base material made of a thermoplastic resin, and applying a primer on the other side of the base material to form a primer layer, and opening the primer layer of the edge band on the furniture edge area. It was attached using.

하지만, 프라이머를 도포 시, 농도를 조절하기 어려워 작업성이 저하되었으며, 프라이머에 함유되는 유기용제 등으로 인해 작업장이 오염되며, 작업자의 건강에도 악영향을 끼치는 심각한 문제점이 있었다.However, when applying the primer, it was difficult to control the concentration, and the workability was reduced, and the organic solvent contained in the primer contaminated the work place, and there was a serious problem that adversely affects the health of workers.

따라서 이러한 문제를 해결코자 대한민국 등록특허공보 제10-1875343호 (발명의 명칭: 엣지밴드 및 이의 제조방법)를 제안한 바 있다.Therefore, in order to solve this problem, the Republic of Korea Patent Publication No. 10-1875343 (name of the invention: edge band and its manufacturing method) has been proposed.

제안된 문헌에 따르면, 베이스시트층 하부에 형성되는 프라이머시트층;으로 이루어지고, 프라이머시트층은 제1 접착층 하부에 형성되는 인쇄시트층 및 인쇄시트층 하부에 형성되는 제2 접착층을 포함하며, 제1 접착층 및 제2 접착층 중 하나 이상은 에틸렌 비닐 아세테이트-비닐 클로라이드 공중합체 100 중량부 및 실리카(silica) 0.1~10 중량부로 조성하였다.According to the proposed document, a primer sheet layer formed under the base sheet layer; consisting of, the primer sheet layer includes a printed sheet layer formed under the first adhesive layer and a second adhesive layer formed under the printed sheet layer, At least one of the first adhesive layer and the second adhesive layer was composed of 100 parts by weight of ethylene vinyl acetate-vinyl chloride copolymer and 0.1 to 10 parts by weight of silica.

결과적으로 베이스시트층 및 프라이머시트층 사이의 부착력과, 내구성, 내수성 및 내화학성이 우수하며, 엣지밴드 제조시 열전사를 통해 프라이머시트층을 형성하여, 프라이머액을 도포 및 건조하던 종래 기술에 비해 프라이머시트층의 경화 시간을 단축할 수 있으며, 프라이머액 성분 조절을 생략할 수 있어 생산성이 우수하며, 작업장에서 프라이머액에 사용되는 용제로 인한 작업장 오염을 방지할 수 있어 작업성을 향상되게 하였다.As a result, the adhesion between the base sheet layer and the primer sheet layer, and the durability, water resistance and chemical resistance are excellent, and when the edge band is manufactured, the primer sheet layer is formed through thermal transfer to apply and dry the primer solution. It is possible to shorten the curing time of the primer sheet layer, and it is possible to omit the adjustment of the primer solution components, which is excellent in productivity, and to prevent the contamination of the work site due to the solvent used in the primer solution at the work site, thereby improving workability.

그러나 접착력 향상을 위한 접착제의 불가피한 용량증가로 인해 제작비용이 가중되고, 부족한 열안정성으로 인해 자재의 내구성이 미흡한 문제가 있다. 더불어 접착제는 열이나 광, 기계적 응력에 의해 자유라디칼이 생성되고, 이것이 산소와 즉각 반응하여 과산화물 라디칼을 형성한다.However, due to the unavoidable increase in the capacity of the adhesive for improving the adhesion, the production cost is increased, and the durability of the material is insufficient due to insufficient thermal stability. In addition, the adhesive generates free radicals by heat, light, or mechanical stress, which reacts immediately with oxygen to form peroxide radicals.

즉, 라디칼이 생성되면, 3개의 새로운 라디칼이 생성되고 고분자 사슬을 공격하는 순환작용이 계속되어 결국에는 라디칼 중합에 의한 크로스 링킹 현상이 발생하게 된다. 이러한 핫멜트 접착제는 사용 시 열응력이 필수적으로 수반되어 라디칼 조각으로 분해됨으로써 동일한 크로스 링킹 현상이 발생하게 되고 있어 아직까지도 개선의 여지가 남아있다.That is, when radicals are generated, three new radicals are generated, and a cyclic action attacking the polymer chain continues, resulting in crosslinking by radical polymerization. When using these hot melt adhesives, thermal stress is essential and decomposes into radical fragments, resulting in the same cross-linking phenomenon, so there is still room for improvement.

대한민국 등록특허공보 제10-1875343호 (발명의 명칭: 엣지밴드 및 이의 제조방법)Republic of Korea Registered Patent Publication No. 10-1875343 (Invention name: Edge band and its manufacturing method)

본 발명은 위의 제반 문제점을 보다 적극적으로 해소하기 위하여 창출된 것으로, 우수한 접착력과 산화방지 성능을 가지도록 개선하여 전반적으로 탁월한 품질과 장 수명을 보장할 수 있는 가구 몰딩용 접착 조성물 및 이에 의한 가구 몰딩용 자재를 제공하려는데 그 목적이 있다.The present invention was created in order to more actively solve the above problems, and improves to have excellent adhesion and anti-oxidation performance, an adhesive composition for furniture molding that can ensure excellent overall quality and long life, and furniture by the same The purpose is to provide molding materials.

위의 해결 과제를 달성하기 위하여 본 발명에서 제안하는 가구 몰딩용 접착제의 구성은 다음과 같다.In order to achieve the above problem, the configuration of the adhesive for furniture molding proposed in the present invention is as follows.

위 가구 몰딩용 접착제는 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer) 40~60중량%와, 왁스(Wax) 15~25중량%와, 수성 백색 수지(water white resin) 5.0~10중량%와, 로진 에스테르(rosin ester) 5.0~10중량%와, 다이사이클로펜타다이엔 수성 백색 수지(Dicyclopentadiene water white resin) 5.0~10중량%와, C5 방향족 석유 수지(C5 petroleum resin) 2.5~5.0중량%와, C9 지방족 석유 수지(C9 petroleum resin) 2.5~5.0중량%와, 나머지 잔부인 산화 방지제(Antioxidant) 0.2~1.5중량%로 조성된 것을 특징으로 한다.The adhesive for furniture molding above is 40 to 60% by weight of ethylene-vinyl acetate copolymer, 15 to 25% by weight of wax, and 5.0 to 10% by weight of water white resin. , 5.0 to 10% by weight of rosin ester, 5.0 to 10% by weight of dicyclopentadiene water white resin, 2.5 to 5.0% by weight of C5 petroleum resin , C9 petroleum resin (C9 petroleum resin) 2.5 to 5.0% by weight, and the rest of the antioxidants (Antioxidant) 0.2 to 1.5% by weight.

이때, 본 발명에 의한 위 에틸렌초산비닐 공중합체는 용융지수 400, 초산비닐 함량 20~40%, 유리전이온도 -28.6℃이고, 로진 에스테르는 연화점 75~100℃이며, 다이사이클로펜타다이엔 수성 백색 수지는 연화점 100℃, 유리전이온도 50~55℃이며, C5 방향족 석유 수지는 연화점 100℃, C5 함량 5~10%, 산소함량 0.2%이고, C9 지방족 석유 수지는 연화점 120℃, C9 함량 7~10% 산소함량 0.3%이며, 산화 방지제는 융점 65~110℃, 비중 1.0~1.45인 것을 특징으로 한다.At this time, the ethylene vinyl acetate copolymer according to the present invention has a melt index of 400, a vinyl acetate content of 20 to 40%, a glass transition temperature of -28.6°C, and a rosin ester having a softening point of 75 to 100°C, dicyclopentadiene aqueous white Resin has a softening point of 100℃, glass transition temperature of 50~55℃, C5 aromatic petroleum resin has a softening point of 100℃, C5 content of 5-10%, oxygen content of 0.2%, and C9 aliphatic petroleum resin has a softening point of 120℃, C9 content of 7~ 10% oxygen content is 0.3%, the antioxidant is characterized in that the melting point 65 ~ 110 ℃, specific gravity 1.0 ~ 1.45.

또한, 본 발명에 의한 위 로진 에스테르는 테르펜 수지, 테르펜 페놀 수지, 방향족 변성 테르펜 수지, 알킬페놀 수지, 로진 변성 페놀 수지 중 어느 하나 또는 이들 중 둘 이상 혼합한 것을 특징으로 한다.In addition, the above rosin ester according to the present invention is characterized in that any one or two or more of the terpene resin, terpene phenol resin, aromatic modified terpene resin, alkylphenol resin, rosin modified phenol resin.

또한, 본 발명에 의한 위 산화 방지제는 페놀계, 모노 페놀계, 비스 페놀계, 고분자형 페놀계, 아민계, 싸이오계, 아인산계로 중 어느 하나 또는 복합적으로 조성된 것을 특징으로 한다.In addition, the gastric antioxidant according to the present invention is characterized in that one or a combination of phenolic, monophenolic, bisphenolic, polymeric phenolic, amine-based, thio-based, phosphorous acid-based furnaces.

또한, 본 발명에 의한 위 산화 방지제는 폐놀계인 펜타에리트리틸 테트라키스(Pentaerythrityl-tetrakis)와, 아인산계인 알킬에스테르 포스파이트(Alkylester phosphite)를 1:1~2 또는 1~2:1 중량비로 배합된 것을 특징으로 한다.In addition, the gastric antioxidant according to the present invention is a phenolic acid pentaerythryl tetrakis (Pentaerythrityl-tetrakis) and phosphorus-based alkyl ester phosphite (Alkylester phosphite) in a 1:1 to 2 or 1 to 2: 1 weight ratio It is characterized by.

또한, 본 발명에 의한 위 접착 조성물은 평균 입자가 30~50㎚ 직경을 가진 하이드록시기를 포함하는 실리카 하이브리드 화합물인 첨가제가 접착 조성물 총 중량에 대해 1.0~2.0%를 더 포함하는 것을 특징으로 한다.In addition, the above adhesive composition according to the present invention is characterized in that the average particle is a silica hybrid compound containing a hydroxyl group having a diameter of 30 to 50 nm, and further comprises 1.0 to 2.0% based on the total weight of the adhesive composition.

또한, 본 발명에 의한 위 접착 조성물은 평균 입자가 10~15㎛ 크기로 분쇄된 견운모(Sericite)와 산화티타늄(TiO2) 및 산화텅스텐(WO3) 분말을 1:1:2 중량비로 혼합된 항균 촉매제가 접착 조성물 총 중량에 대해 1.0~2.0% 더 포함하는 것을 특징으로 한다.In addition, the above adhesive composition according to the present invention, the average particle is pulverized to a size of 10 ~ 15㎛ mica (Sericite) and titanium oxide (TiO 2 ) and tungsten oxide (WO 3 ) powder is mixed in a 1:1:2 weight ratio It characterized in that the antibacterial catalyst further comprises 1.0 to 2.0% based on the total weight of the adhesive composition.

또한, 본 발명에 의한 위 접착 조성물은 -32℃ 유리전이온도와 120℃의 저장탄성률 및 10㎫이상의 인장강도와 250㎫ 이상의 종탄성계수 및 2~5kgf/25㎜ 접착강도를 가진 것을 특징으로 한다.In addition, the above adhesive composition according to the present invention is characterized by having a glass transition temperature of -32°C, a storage elastic modulus of 120°C, a tensile strength of 10 MPa or more, a longitudinal modulus of elasticity of 250 MPa or more, and an adhesive strength of 2-5 kgf/25 mm. .

본 발명에 의해 조성된 접착 조성물이 적용된 시트 또는 블록타입의 가구 몰딩용 자재를 특징으로 한다.Characterized by a sheet or block type furniture molding material to which the adhesive composition formed by the present invention is applied.

상술한 구성으로 이루어지는 본 발명에 의하면, 다이사이클로펜타다이엔 수성 백색 수지와 함께 산화 방지제를 첨가해줌으로써 우수한 접착력은 물론, 라디칼에 의한 크로스 링킹 현상을 억제해줌에 따라 탁월한 품질과 장 수명을 보장할 수 있는 효과를 제공한다.According to the present invention made of the above-described configuration, by adding an antioxidant together with a dicyclopentadiene aqueous white resin, as well as excellent adhesion, as well as suppressing the cross-linking phenomenon caused by radicals to ensure excellent quality and long life Provides the effect.

도 1은 본 발명에 따른 접착제의 제조과정을 나타내는 순서도.
도 2는 본 발명에 따른 접착제의 제조라인을 나타내는 설비도.
도 3은 본 발명에 따른 접착제의 접착강도 실험조건을 나타내는 구성도.1 is a flow chart showing the manufacturing process of the adhesive according to the present invention.
Figure 2 is a facility diagram showing the manufacturing line of the adhesive according to the present invention.
3 is a block diagram showing the experimental conditions of the adhesive strength of the adhesive according to the present invention.

이하, 첨부도면을 참고하여 본 발명의 구성 및 이로 인한 작용, 효과에 대해 일괄적으로 기술하기로 한다.Hereinafter, with reference to the accompanying drawings, the configuration of the present invention and the effects and effects thereof will be collectively described.

본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시 예를 참조하면 명확해질 것이다. 그러나 본 발명은 이하에서 개시되는 실시 예에 한정되는 것이 아니라, 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시 예는 본 발명의 개시가 완전하도록 하고, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다. 그리고 명세서 전문에 걸쳐 동일 참조 부호는 동일 구성요소를 지칭한다.Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the person having the scope of the invention, and the present invention is only defined by the scope of the claims. And throughout the specification, the same reference numerals refer to the same components.

본 발명은 가구 몰딩용 접착제와 관련되며, 에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer)와, 왁스(Wax)와, 수성 백색 수지(water white resin)와, 로진 에스테르(rosin ester)와, 다이사이클로펜타다이엔 수성 백색 수지(Dicyclopentadiene water white resin)와, C5 방향족 석유 수지(C5 petroleum resin) 와, C9 지방족 석유 수지(C9 petroleum resin)와, 나머지 잔부인 산화 방지제(Antioxidant)로 조성된 가구 몰딩용 접착 조성물 및 이에 의한 가구 몰딩용 자재이다.The present invention relates to an adhesive for furniture molding, ethylene-vinyl acetate copolymer, wax, water white resin, rosin ester, and die Furniture molding composed of dicyclopentadiene water white resin, C5 petroleum resin, C9 petroleum resin, and the remainder of the antioxidant. It is an adhesive composition for materials and a material for furniture molding.

본 발명의 접착 조성물은 에틸렌초산비닐 공중합체 40~60중량%와, 왁스 15~25중량%와, 수성 백색 수지 5.0~10중량%와, 로진 에스테르 5.0~10중량%와, 다이사이클로펜타다이엔 수성 백색 수지 5.0~10중량%와, C5 방향족 석유 수지 2.5~5.0중량%와, C9 지방족 석유 수지 2.5~5.0중량%와, 산화 방지제 0.2~1.5중량%로 조성된다.The adhesive composition of the present invention comprises 40 to 60% by weight of ethylene vinyl acetate copolymer, 15 to 25% by weight of wax, 5.0 to 10% by weight of aqueous white resin, 5.0 to 10% by weight of rosin ester, and dicyclopentadiene It is composed of 5.0 to 10% by weight of aqueous white resin, 2.5 to 5.0% by weight of C5 aromatic petroleum resin, 2.5 to 5.0% by weight of C9 aliphatic petroleum resin, and 0.2 to 1.5% by weight of antioxidant.

에틸렌초산비닐 공중합체는 에틸렌과 초산 비닐 모노머를 공중합 시켜 얻어지는 중합체로써, 접착 조성물 총 중량에 대해 40%로 조성하는 것이 바람직하다. 이러한 에틸렌초산비닐 공중합체는 용융지수 400, 초산비닐 함량 28%, 유리전이온도 -28.6℃인 것을 이용하는 것이 적절하다.The ethylene vinyl acetate copolymer is a polymer obtained by copolymerizing ethylene and a vinyl acetate monomer, and is preferably composed of 40% of the total weight of the adhesive composition. It is appropriate to use such an ethylene vinyl acetate copolymer having a melt index of 400, a vinyl acetate content of 28%, and a glass transition temperature of -28.6°C.

왁스는 접착제의 용융 점도를 저하시키고, 고화시간, 연화점, 경도의 특성을 조정하는 역할을 하는 것으로써, 접착 조성물 총 중량에 대해 20%로 조성하는 것이 바람직하다. 여기서 왁스는 파라핀, 미세결정성 왁스, Fischer-Tropsch 왁스, 각종 저분자량 폴리에칠렌 및 변성 왁스, 지방산 에스트 등의 아민, 아미드 등을 이용할 수 있다.The wax lowers the melt viscosity of the adhesive and serves to adjust the properties of the solidification time, softening point, and hardness, and is preferably composed at 20% based on the total weight of the adhesive composition. Here, as the wax, paraffin, microcrystalline wax, Fischer-Tropsch wax, various low molecular weight polyethylene and modified waxes, amines such as fatty acid esters, amides, and the like can be used.

삭제delete

로진 에스테르는 분자량이 수백 내지는 수천의 무정형 올리고머로 상온에서 액상 또는 고체의 열가소성 수지로써, 접착 조성물 총 중량에 대해 10%로 조성하는 것이 바람직하다. 여기서 로진 에스테르는 연화점 75~100℃를 가진 테르펜 수지, 테르펜 페놀 수지, 방향족 변성 테르펜 수지, 알킬페놀 수지, 로진 변성 페놀 수지 중 어느 하나 또는 이들 중 둘 이상 혼합한 것을 이용할 수 있다.Rosin ester is a thermoplastic resin of a liquid or solid at room temperature with an amorphous oligomer having several hundred to thousands of molecular weights, and is preferably composed of 10% based on the total weight of the adhesive composition. Here, the rosin ester may be a terpene resin having a softening point of 75 to 100°C, a terpene phenol resin, an aromatic modified terpene resin, an alkylphenol resin, or a rosin-modified phenol resin, or a mixture of two or more of them.

다이사이클로펜타다이엔 수성 백색 수지는 투명한 반유동체의 액체에서부터 연노랑 및 불투명 무색의 고체 형태인 열가소성 수지로써, 접착 조성물 총 중량에 대해 10%로 조성하는 것이 바람직하다. 여기서 다이사이클로펜타다이엔 수성 백색 수지는 연화점 100℃, 유리전이온도 50~55℃를 가진 것을 이용하는 것이 좋다. 이때 별도의 수성 백색 수지를 사용할 수 있으며 해당 백색 수지는 에스테르화와 수소화를 통해 껌 로진으로 접착제의 점착성을 부여하는 역할을 하는 것으로써, 접착 조성물 총 중량에 대해 10%로 조성하는 것이 바람직하다. 여기서 수성 백색 수지는 95~100℃ 연화점과 최대 30 산가(㎎KOH/g)를 가진 것을 이용하는 것이 좋다.The dicyclopentadiene aqueous white resin is a thermoplastic resin that is a light yellow and opaque colorless solid form from a transparent semi-fluid liquid, and is preferably composed of 10% based on the total weight of the adhesive composition. Here, the dicyclopentadiene aqueous white resin is preferably used having a softening point of 100°C and a glass transition temperature of 50 to 55°C. At this time, a separate aqueous white resin may be used, and the white resin serves to impart adhesiveness of the adhesive with gum rosin through esterification and hydrogenation, and is preferably composed of 10% based on the total weight of the adhesive composition. Here, it is preferable to use an aqueous white resin having a softening point of 95 to 100°C and a maximum acid value of 30 (mgKOH/g).

C5 방향족 석유 수지와 C9 지방족 석유 수지는 납사 열분해 공정에서 발생되는 올레핀의 중합을 통해 얻어지는 열가소성 수지로써, 접착 조성물 총 중량에 대해 각각 4.5%로 조성하는 것이 바람직하다. 여기서 C5 방향족 석유 수지는 연화점 100℃, C5 유분 함량 5~10 중량%, 산소함량 0.2 중량%, C9 지방족 석유 수지는 연화점 120℃, C9 유분 함량 7~10 중량% 산소함량 0.3 중량%을 가진 것을 이용하는 것이 좋다.The C5 aromatic petroleum resin and the C9 aliphatic petroleum resin are thermoplastic resins obtained through polymerization of olefins generated in a naphtha pyrolysis process, and are preferably composed of 4.5% based on the total weight of the adhesive composition. Here, the C5 aromatic petroleum resin has a softening point of 100°C, a C5 oil content of 5 to 10% by weight, an oxygen content of 0.2% by weight, and a C9 aliphatic petroleum resin has a softening point of 120°C and a C9 oil content of 7 to 10% by weight of an oxygen content of 0.3% by weight. It is good to use.

산화 방지제는 라디칼에 의한 연쇄성장 반응차단과 과산화물을 분해하는 역할을 하는 것으로, 접착 조성물 총 중량에 대해 1.0%로 조성하는 것이 바람직하다. 이러한 산화방지제는 페놀계, 모노 페놀계, 비스 페놀계, 고분자형 페놀계, 아민계, 싸이오계, 아인산계로 중 어느 하나 또는 복합적으로 조성할 수 있다.The antioxidant serves to block the chain growth reaction by radicals and decompose the peroxide, and is preferably composed of 1.0% based on the total weight of the adhesive composition. The antioxidant may be one or a combination of phenol-based, mono-phenol-based, bisphenol-based, high-molecular-weight phenol-based, amine-based, thio-based, and phosphorous-based.

바람직하게는 폐놀계인 펜타에리트리틸 테트라키스(Pentaerythrityl-tetrakis)와, 아인산계인 알킬에스테르 포스파이트(Alkylester phosphite)를 1:1~2 또는 1~2:1 중량비로 배합된 것이 좋다.Preferably, the waste phenol-based pentaerythrityl-tetrakis and the phosphorous acid-based alkyl ester phosphite are preferably mixed at a weight ratio of 1:1 to 2 or 1 to 2:1.

이러한 조성물은 도 1과 같이 언급한 함량으로 배합한 다음, 용융 압출을 거친 이후 냉각과 설정 크기로 컷팅하고, 건조 또는 여타의 물질과 혼합 과정을 거쳐 완성된다. 완성된 접착제는 -32℃ 유리전이온도와 120℃의 저장탄성률 및 10㎫이상의 인장강도와 250㎫ 이상의 종탄성계수 및 2~5kgf/25㎜ 접착강도를 가진다.This composition is blended to the above-mentioned content as shown in FIG. 1, and then melt-extruded, cooled and cut to a set size, and then dried or mixed with other materials to complete the process. The finished adhesive has a glass transition temperature of -32°C, a storage elastic modulus of 120°C, a tensile strength of 10 MPa or more, a longitudinal modulus of elasticity of 250 MPa or more, and an adhesive strength of 2-5 kgf/25 mm.

한편, 본 발명에 따른 접착 조성물은 평균 입자가 30~50㎚ 직경을 가진 하이드록시기를 포함하는 실리카 하이브리드 화합물인 첨가제가 접착 조성물 총 중량에 대해 1.0~2.0%를 더 포함할 수도 있다.On the other hand, the adhesive composition according to the present invention, the average particle is a silica hybrid compound containing a hydroxyl group having a diameter of 30 ~ 50㎚ may further include 1.0 to 2.0% based on the total weight of the adhesive composition.

여기서 첨가제는 3-아미노프로필트리에톡시실란(3-aminopropyltriethyoxysilane) 5.5~6.0 중량%와, 이소포론디이소시안산(isophoronediisocyanate) 5.5~6.0 중량%와, 폴리 글리콜(poly glycol, tetramethylene ether) 15~20 중량%와, 디부틸틴디라우레이트(dibutyltindilaurate) 0.01~0.1 중량%와, 테트라메틸오르토실리케이트(tetraethoxyothosilicate) 42.9~54.9 중량%와, 3-글리시독시프로필트리메톡시실란(3-glycidoxypropyltrimethoxysilane) 15~20 중량%와, 정제수 4.0~5.0 중량%로 조성된다.Here, the additives are 3-aminopropyltriethyoxysilane (5.5-6.0% by weight), isophoronediisocyanate (5.5-6.0% by weight), poly glycol (poly glycol, tetramethylene ether) 15-20 Wt%, dibutyltindilaurate 0.01-0.1 wt%, tetraethoxyothosilicate 42.9-54.9 wt%, 3-glycidoxypropyltrimethoxysilane 15- It is composed of 20% by weight and 4.0 to 5.0% by weight of purified water.

이러한 첨가제는 30~45㎚ 직경을 가진 구형의 실리카 입자들이 공유 결합됨으로써 -32℃의 유리전이온도와 120℃ 정도까지 저장탄성률을 유지하고 있어 접착제로 요구되는 내열특성을 만족시키는 100℃ 이상의 우수한 열안정성을 제공한다.These additives maintain a glass transition temperature of -32℃ and a storage elastic modulus of up to 120℃ by covalent bonding of spherical silica particles having a diameter of 30 to 45nm, so excellent heat of 100℃ or higher that satisfies the heat resistance required by the adhesive. Provides stability.

또한, 본 발명에 따른 접착 조성물은 평균 입자가 10~15㎛ 크기로 분쇄된 견운모(Sericite)와 산화티타늄(TiO2) 및 산화텅스텐(WO3) 분말을 1:1:2 중량비로 혼합된 항균 촉매제를 접착 조성물 총 중량에 대해 1.0~2.0% 더 포함할 수도 있다.In addition, the adhesive composition according to the present invention is an antimicrobial mixture in which the average particle is crushed to a size of 10-15 μm, Sericite, titanium oxide (TiO 2 ) and tungsten oxide (WO 3 ) powder in a 1:1:2 weight ratio. The catalyst may further contain 1.0 to 2.0% based on the total weight of the adhesive composition.

견운모는 제올라이트에 비해 저렴하지만, 제올라이트와 유사한 항균성을 가지고 있고, 산화티타늄과 산화텅스텐은 자외선은 물론, 가시광에서도 광촉매 활성을 유도하여 항균성을 지속 발휘한다.Although sericite is cheaper than zeolite, it has antimicrobial properties similar to zeolite, and titanium oxide and tungsten oxide induce photocatalytic activity not only in ultraviolet light but also in visible light, thereby continuously exhibiting antimicrobial properties.

여기서 산화티타늄은 질산은(AgNO3)이 환원 침전법으로 코팅되고, 산화텅스텐은 700~100℃에 3시간 열처리 된 것을 이용한다. 이러한 견운모와 산화티타늄 및 산화텅스텐은 일반 분쇄기로 각각 분말 처리되고, 분말들은 에어-제트 건식 밀링기를 이용하여 초미립자로 전환된다.Here, as for the titanium oxide, silver nitrate (AgNO 3 ) is coated by a reduction precipitation method, and tungsten oxide is heat-treated at 700 to 100° C. for 3 hours. These silkworms and titanium oxide and tungsten oxide are each powdered with a conventional grinder, and the powders are converted to ultrafine particles using an air-jet dry mill.

즉, 건식 밀링기는 강한 공기의 압력을 분사하여 분말 입자끼리 서로 부딪히게 작용으로 분말 입자의 크기를 10 내지 15㎛의 초미립자로 전환하고, 입자의 형태를 균일한 구형에서 찌그러진 타원형 또는 각형으로 변형시킨다.That is, the dry milling machine converts the size of the powder particles into ultrafine particles of 10 to 15 μm by injecting strong air pressure to collide with each other, and transforms the shape of the particles from a uniform spherical shape into a crushed oval or square shape. .

따라서 금속분말의 입자가 초미립자로 전환됨으로서 분산성이 향상되고, 입자의 표면이 거칠 면서 넓어져 항균 촉매제가 가진 항균성을 배가시켜준다.Therefore, as the particles of the metal powder are converted to ultra-fine particles, the dispersibility is improved, and the surface of the particles is roughened and widened, thereby doubling the antibacterial properties of the antibacterial catalyst.

이하, 본 발명에 따른 접착제의 효과를 입증하기 아래와 같이 실험을 해보았다.Hereinafter, experiments were conducted as follows to demonstrate the effect of the adhesive according to the present invention.

<실험><Experiment>

본 발명에 의한 조성물로 제조된 접착제의 산화에 따른 색상변화를 관찰하고, 접착강도를 알아보고자 한다.To observe the color change according to the oxidation of the adhesive prepared with the composition according to the present invention, to find out the adhesive strength.

<산화 방지제 제작><Preparation of antioxidants>

산화 방지제로는 라디칼에 의한 연쇄성장 반응을 차단하는 폐놀계인 펜타에리트리틸 테트라키스(3,5-di-tert. butyl-4-hydroxyhydrocinnamate)와, 라디칼에 의해 생성된 과산화물을 분해하는 아인산계인 알킬에스테르 포스파이트(Alkylester phosphite)를 1:2 및 2:1 중량비로 각각 혼합하여 제1 산화 방지제와, 제2 산화 방지제를 제작하였다.Antioxidants include pentaerythritol tetrakis (3,5-di-tert. butyl-4-hydroxyhydrocinnamate), which is a waste nol system that blocks the chain growth reaction by radicals, and alkyl, which is a phosphorous acid that decomposes peroxide produced by radicals. Ester phosphite (Alkylester phosphite) was mixed at a weight ratio of 1:2 and 2:1, respectively, to prepare a first antioxidant and a second antioxidant.

<시료 제작><Sample production>

로진 에스테르 10g, 다이사이클로펜타다이엔 수성 백색 수지 10g, C5 방향족 석유 수지 4.5g, C9 지방족 석유 수지 4.5g, 제1·2 산화 방지제 1.0g를 각각 배합한 상태에서 용융하고, 30분 뒤에 에틸렌초산비닐 공중합체 400g를 투입한 다음, 300RPM으로 60분간 교반하여 제1 접착제와, 제2 접착제를 제작하였다.10 g of rosin ester, 10 g of dicyclopentadiene aqueous white resin, 4.5 g of C5 aromatic petroleum resin, 4.5 g of C9 aliphatic petroleum resin, and 1.0 g of 1st and 2nd antioxidant, respectively, are melted in a mixture, and after 30 minutes, ethylene acetate 400 g of the vinyl copolymer was added, and then stirred at 300 RPM for 60 minutes to prepare a first adhesive and a second adhesive.

<산화 조건><Oxidation conditions>

시중에 판매되는 일반 접착제와, 산화 방지제가 혼합 제작된 제1 접착제와, 제2 접착제가 용융된 상태에서 각각 10g를 채취하여 약 5cm 직경의 크기로 셀에 얇게 도포하여 경화시켰다. 준비된 일반 및 제1·2 접착제 시료에 약 180℃ 열풍을 가하고, 24시간 마다 색상 변화를 관찰하였다.10 g of each of a commercially available general adhesive, a first adhesive prepared by mixing an antioxidant, and a second adhesive was melted, and each was thinly applied to a cell having a size of about 5 cm and cured. A hot air of about 180° C. was applied to the prepared general and first and second adhesive samples, and color changes were observed every 24 hours.

<T-peel 접착 강도><T-peel adhesive strength>

시중에 판매되는 일반 접착제 50㎛ 필름과, 산화 방지제가 혼합 제작된 제1 접착제와, 제2 접착제를 50㎛ 필름을 도 3과 같이 폴리우레탄 시트 사이에 적층시킨 상태에서 온도 150℃, 압력 20㎏f/㎠을 가하여 각각 접착시켰다. 접착된 각 표본들을 100X25㎜ 크기로 절단 후 온도 20℃, 습도 65%에서 Instron 장치를 통해 200 mm/min의 크로스 헤드 속도로 T 박리 접착력 측정을 실시하였다.A commercially available general adhesive 50 μm film, a first adhesive prepared by mixing an antioxidant, and a second adhesive 50 μm film are laminated between polyurethane sheets as shown in FIG. 3, temperature 150° C., pressure 20 kg f/cm 2 was added to adhere each. After cutting each bonded sample to a size of 100X25 mm, T peel adhesion was measured at a crosshead speed of 200 mm/min through an Instron device at a temperature of 20°C and a humidity of 65%.

<산화 결과><Oxidation result>

구분division 일반 접착제General adhesive 제1 접착제First adhesive 제2 접착제Second adhesive

시작

start

Figure 112020049983548-pat00001
Figure 112020049983548-pat00001
Figure 112020049983548-pat00002
Figure 112020049983548-pat00002
Figure 112020049983548-pat00003
Figure 112020049983548-pat00003

24시간

24 hours
Figure 112020049983548-pat00004
Figure 112020049983548-pat00004
Figure 112020049983548-pat00005
Figure 112020049983548-pat00005
Figure 112020049983548-pat00006
Figure 112020049983548-pat00006

48시간

48 hours
Figure 112020049983548-pat00007
Figure 112020049983548-pat00007
Figure 112020049983548-pat00008
Figure 112020049983548-pat00008
Figure 112020049983548-pat00009
Figure 112020049983548-pat00009

72시간

72 hours
Figure 112020049983548-pat00010
Figure 112020049983548-pat00010
Figure 112020049983548-pat00011
Figure 112020049983548-pat00011
Figure 112020049983548-pat00012
Figure 112020049983548-pat00012

산화 결과 산화 방지제가 혼합 제작된 제1·2 접착제가 일반 접착제에 비해 색상 변화의 정도가 현저히 낮다는 것을 알 수 있다. 즉, 산화 방지제가 접착제의 표면에 공기와의 접촉을 차단하는 막을 형성해줌으로써 산화를 억제하는 것을 알 수가 있다. 여기서 제1 접착제는 탁하지만 흐린 형태를 나타내고, 제2 접착제는 밝으면서 진한 색상을 띠고 있으므로 제2 접착제가 가장 좋은 결과로 나타났다.As a result of the oxidation, it can be seen that the degree of color change is significantly lower in the first and second adhesives prepared by mixing the antioxidants than the general adhesives. That is, it can be seen that the antioxidant inhibits oxidation by forming a film on the surface of the adhesive to block contact with air. Here, the first adhesive has a cloudy but cloudy shape, and the second adhesive has a bright and dark color, so the second adhesive has the best results.

<접착 강도 결과><Adhesive strength result>

Figure 112020049983548-pat00013
Figure 112020049983548-pat00013

접착 강도 결과 일반 접착제는 2.3kgf/25㎜ 접착강도를 가지는 반면, 제1 접착제와 제2 접착제는 각각 2.8kgf/25㎜와 4.2kgf/25㎜의 접착강도로 측정되었다. 즉, 다이사이클로펜타다이엔 수성 백색 수지와, C5 방향족 석유 수지 및 C9 지방족 석유 수지의 최적 배합으로 인한 결과로 예상된다.As a result of adhesive strength, the general adhesive had an adhesive strength of 2.3 kgf/25 mm, whereas the first adhesive and the second adhesive were measured to have adhesive strengths of 2.8 kgf/25 mm and 4.2 kgf/25 mm, respectively. That is, it is expected as a result of the optimal combination of dicyclopentadiene aqueous white resin, C5 aromatic petroleum resin, and C9 aliphatic petroleum resin.

<결과 및 고찰><Results and Discussion>

실험결과 펜타에리트리틸 테트라키스와, 알킬에스테르 포스파이트(Alkylester phosphite)를 2:1 중량비로 혼합 시 우수한 산화방지 효과를 나타내고, 다이사이클로펜타다이엔 수성 백색 수지와 C5 방향족 석유 수지와, C9 지방족 석유 수지를 모두 혼합할 때 탁월한 접착성능을 나타내는 것을 알 수가 있다.As a result of the experiment, when pentaerythryl tetrakis and alkyl ester phosphite were mixed at a weight ratio of 2:1, they exhibited excellent antioxidant effects, dicyclopentadiene aqueous white resin, C5 aromatic petroleum resin, and C9 aliphatic It can be seen that when all the petroleum resins are mixed, they exhibit excellent adhesive performance.

이와 같이 본 발명은 다이사이클로펜타다이엔 수성 백색 수지와 함께 산화 방지제를 첨가해줌으로써 우수한 접착력은 물론, 라디칼에 의한 크로스 링킹 현상을 억제해줌에 따라 탁월한 품질과 장 수명을 보장할 수 있다.As described above, the present invention can ensure excellent quality and long life by suppressing crosslinking caused by radicals as well as excellent adhesion by adding an antioxidant together with a dicyclopentadiene aqueous white resin.

Claims (10)

에틸렌초산비닐 공중합체(ethylene-vinyl acetate copolymer)와, 왁스(Wax)와, 다이사이클로펜타다이엔 수성 백색 수지(Dicyclopentadiene water white resin)와, 로진 에스테르(rosin ester)와, C5 방향족 석유 수지(C5 petroleum resin)와, C9 지방족 석유 수지(C9 petroleum resin)와, 나머지 잔부인 산화 방지제(Antioxidant)로 조성되는 가구 몰딩용 접착 조성물에 있어서,
상기 에틸렌초산비닐 공중합체는 초산비닐 함량 20~40 중량%, 유리전이온도 -28.6℃이고, 로진 에스테르는 연화점 75~100℃이며, 다이사이클로펜타다이엔 수성 백색 수지는 연화점 100℃, 유리전이온도 50~55℃이며, 상기 C5 방향족 석유 수지는 연화점 100℃, C5 유분 함량 5~10 중량%, 산소함량 0.2 중량%이고, 상기 C9 지방족 석유 수지는 연화점 120℃, C9 유분 함량 7~10 중량% 산소함량 0.3 중량%이며, 산화 방지제는 융점 65~110℃, 비중 1.0~1.45인 것을 포함하되,
평균 입자가 30~50㎚ 직경을 가진 하이드록시기를 포함하는 실리카 하이브리드 화합물인 첨가제가 접착 조성물 총 중량에 대해 1.0~2.0 중량%를 더 포함하고,
첨가제는 3-아미노프로필트리에톡시실란(3-aminopropyltriethyoxysilane) 5.5~6.0 중량%와, 이소포론디이소시안산(isophoronediisocyanate) 5.5~6.0 중량%와, 폴리 글리콜(poly glycol, tetramethylene ether) 15~20 중량%와, 디부틸틴디라우레이트(dibutyltindilaurate) 0.01~0.1 중량%와, 테트라메틸오르토실리케이트(tetraethoxyothosilicate) 42.9~54.9 중량%와, 3-글리시독시프로필트리메톡시실란(3-glycidoxypropyltrimethoxysilane) 15~20 중량%와, 정제수 4.0~5.0 중량%로 조성되는 것에 특징이 있는 우수한 접착성과 산화방지성을 겸비하는 가구 몰딩용 접착 조성물.
Ethylene-vinyl acetate copolymer, wax, dicyclopentadiene water white resin, rosin ester, and C5 aromatic petroleum resin (C5) In the adhesive composition for furniture molding composed of a petroleum resin, C9 petroleum resin, and the remainder of the antioxidant (Antioxidant),
The ethylene vinyl acetate copolymer has a vinyl acetate content of 20 to 40% by weight, a glass transition temperature of -28.6°C, a rosin ester having a softening point of 75 to 100°C, and a dicyclopentadiene aqueous white resin having a softening point of 100°C and glass transition temperature. 50~55℃, the C5 aromatic petroleum resin has a softening point of 100℃, a C5 oil content of 5-10% by weight, an oxygen content of 0.2% by weight, and the C9 aliphatic petroleum resin has a softening point of 120℃, a C9 oil content of 7-10% by weight Oxygen content is 0.3% by weight, the antioxidant includes a melting point of 65 ~ 110 ℃, specific gravity of 1.0 ~ 1.45,
The additive, which is a silica hybrid compound having a hydroxy group having an average particle diameter of 30 to 50 nm, further contains 1.0 to 2.0% by weight based on the total weight of the adhesive composition,
Additives are 3-aminopropyltriethoxysilane 5.5-6.0% by weight, isophoronediisocyanate 5.5-6.0% by weight, poly glycol (tetramethylene ether) 15-20% by weight %, 0.01 to 0.1% by weight of dibutyltindilaurate, 42.9 to 54.9% by weight of tetraethoxyothosilicate, and 15 to 20 of 3-glycidoxypropyltrimethoxysilane An adhesive composition for furniture moldings having both excellent adhesion and anti-oxidation properties, characterized in that it is composed of 4.0% by weight and 4.0% by weight of purified water.
삭제delete 삭제delete 제1항에 있어서,
상기 로진 에스테르는 테르펜 수지, 테르펜 페놀 수지, 방향족 변성 테르펜 수지, 알킬페놀 수지, 로진 변성 페놀 수지 중 어느 하나 또는 이들 중 둘 이상 혼합한 것을 특징으로 하는 우수한 접착성과 산화방지성을 겸비하는 가구 몰딩용 접착 조성물.
According to claim 1,
The rosin ester is a terpene resin, terpene phenol resin, aromatic modified terpene resin, alkylphenol resin, rosin-modified phenolic resin, one or more of the mixture, characterized in that excellent adhesion and antioxidant for furniture molding Adhesive composition.
제1항에 있어서,
상기 산화 방지제는 페놀계, 모노 페놀계, 비스 페놀계, 고분자형 페놀계, 아민계, 싸이오계, 아인산계로 중 어느 하나 또는 복합적으로 조성된 것을 특징으로 하는 우수한 접착성과 산화방지성을 겸비하는 가구 몰딩용 접착 조성물.
According to claim 1,
The antioxidant is a phenol-based, monophenol-based, bisphenol-based, high-molecular-type phenol-based, amine-based, thio-based, phosphorous-based furniture, excellent adhesion and antioxidant, characterized in that any one or a combination of the composition Adhesive composition for molding.
제5항에 있어서,
상기 산화 방지제는 페놀계인 펜타에리트리틸 테트라키스(Pentaerythrityl-tetrakis)와, 아인산계인 알킬에스테르 포스파이트(Alkylester phosphite)를 1:1~2 또는 1~2:1 중량비로 배합된 것을 특징으로 하는 우수한 접착성과 산화방지성을 겸비하는 가구 몰딩용 접착 조성물.
The method of claim 5,
The antioxidant is excellent in that it is a phenol-based pentaerythrityl tetrakis (Pentaerythrityl-tetrakis) and phosphorous acid-based alkyl ester phosphite (Alkylester phosphite) in a 1:1 to 2 or 1 to 2: 1 weight ratio Adhesive composition for furniture molding that has both adhesion and antioxidant properties.
삭제delete 제1항에 있어서,
평균 입자가 10~15㎛ 크기로 분쇄된 견운모(Sericite)와 산화티타늄(TiO2) 및 산화텅스텐(WO3)분말을 1:1:2 중량비로 혼합된 항균 촉매제가 접착 조성물 총 중량에 대해 1.0~2.0 중량% 더 포함하는 것을 특징으로 하는 우수한 접착성과 산화방지성을 겸비하는 가구 몰딩용 접착 조성물.
According to claim 1,
The antimicrobial catalyst in which the average particle size is pulverized to a size of 10 to 15 µm is mixed with Sericite, titanium oxide (TiO 2 ), and tungsten oxide (WO 3 ) powder in a 1:1:2 weight ratio. ~2.0% by weight of the adhesive composition for furniture molding having both excellent adhesion and antioxidant properties, characterized in that it further comprises.
삭제delete 제1항으로 조성된 접착 조성물이 적용된 시트 또는 블록타입의 가구 몰딩용 자재.A sheet or block type furniture molding material to which the adhesive composition formed in claim 1 is applied.
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