KR100256218B1 - Adhesive for coating pvc film to the metal plate - Google Patents

Adhesive for coating pvc film to the metal plate Download PDF

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KR100256218B1
KR100256218B1 KR1019980011654A KR19980011654A KR100256218B1 KR 100256218 B1 KR100256218 B1 KR 100256218B1 KR 1019980011654 A KR1019980011654 A KR 1019980011654A KR 19980011654 A KR19980011654 A KR 19980011654A KR 100256218 B1 KR100256218 B1 KR 100256218B1
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adhesive
steel sheet
chloride film
polyvinyl chloride
weight parts
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KR1019980011654A
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Korean (ko)
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KR19990079181A (en
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이병윤
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이병윤
주식회사상진케미칼
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives 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
    • C09J133/18Homopolymers or copolymers of nitriles
    • C09J133/20Homopolymers or copolymers of acrylonitrile
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives 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
    • C09J133/04Homopolymers or copolymers of esters
    • C09J133/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/062Copolymers with monomers not covered by C09J133/06
    • C09J133/066Copolymers with monomers not covered by C09J133/06 containing -OH groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives 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
    • C09J133/04Homopolymers or copolymers of esters
    • C09J133/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/062Copolymers with monomers not covered by C09J133/06
    • C09J133/068Copolymers with monomers not covered by C09J133/06 containing glycidyl groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives 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
    • C09J133/04Homopolymers or copolymers of esters
    • C09J133/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/10Homopolymers or copolymers of methacrylic acid esters
    • C09J133/12Homopolymers or copolymers of methyl methacrylate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • C09J7/24Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/245Vinyl resins, e.g. polyvinyl chloride [PVC]
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/28Metal sheet
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00Presence of inorganic and organic materials
    • C09J2400/10Presence of inorganic materials
    • C09J2400/16Metal
    • C09J2400/163Metal in the substrate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

PURPOSE: An adhesive for covering a polyvinyl chloride film on a steel sheet is provided, which is required in manufacturing a polyvinyl chloride covered steel sheet having superior adhesion, processability, impact resistance and heat resistance by coating 30 to 40g/m¬2 of the adhesive on the surface of a metal sheet such as a chemical conversion treated steel sheet, an electrolytic galvanized iron or a cold rolled steel sheet with a roll coater, heating the adhesive coated steel sheet at a temperature of 190 to 220deg.C for 40 to 60 seconds and pressing polyvinyl chloride film on the heated adhesive coated steel sheet. CONSTITUTION: In an adhesive used in manufacturing a polyvinyl chloride film covered steel sheet having superior physical and mechanical properties by compressing the polyvinyl chloride film on the surface of a metal sheet with the adhesive, the adhesive for covering a polyvinyl chloride film on a steel sheet comprises 1 weight part of methylmethacrylate, 0.1 to 0.2 weight parts of 2-hydroxy ethylmethacrylate, 0.1 to 0.3 weight parts of 2-ethylhexyl methacrylate, 0.6 to 1.0 weight parts of a solution for acrylonitrile copolymer and 0.1 to 0.2 weight parts of glycidyl methacrylate, wherein the raw materials are graft polymerized with a weight ratio of methylethyl ketone: methyl isobutyl ketone:butyl cellosolve:diisobutyl ketone being 1:1:1:1:1.

Description

염화비닐필름 피복강판용 접착제Vinyl chloride film coated steel adhesive

본 발명은 염화비닐필름 피복강판용 접착제에 관한 것으로, 보다 상세하게는 화성처리강판, 전기아연도금강판, 냉연강판 등의 금속판 표면에 염화비닐필름을 접착제로 압착시켜 접착력, 내충격성, 내수성, 내열성 및 가공성 등의 물성 및 기계적 성질이 뛰어난 염화비닐필름 피복강판을 제조하는데 사용되는 접착제에 관한 것이다.The present invention relates to an adhesive for vinyl chloride coated steel sheet, and more specifically, to a surface of a metal plate, such as a chemically treated steel sheet, an electrogalvanized steel sheet, and a cold rolled steel sheet, by pressing a vinyl chloride film with an adhesive so as to provide adhesion, impact resistance, water resistance, heat resistance, The present invention relates to an adhesive used for producing a vinyl chloride film coated steel sheet having excellent mechanical properties and mechanical properties.

염화비닐필름 피복강판용 접착제에 관한 종래기술로는 한국 특허공고 제78- 240호 "비닐레진 성층 도착용 프라이머"와 공고 제80-1359호 "비닐레진필름 및 도료용 비닐레진 성층 도착용 프라이머"가 있다.Prior arts related to adhesives for coating vinyl chloride film coated steel sheets include Korean Patent Publication Nos. 78-240 "Priority for Arriving Vinyl Resin Layers" and Publication No. 80-1359 "Priority for Arriving Vinyl Resin Layers for Vinyl Resin Films and Paints". have.

한국 특허공고 제78-240호는 "메틸메타크릴레진과 에폭시레진의 비율을 1:0.4∼1.5의 범위로 조성한 레진을 도막형성제의 주성분으로 하는 용매형 및 비닐레진 성층 도착용 소착식 프라이머의 도막형성제를 조성함에 있어서 메틸메타크릴레이트레진:레솔형페놀레진=1부:0.2∼1부, 메틸메타크릴레진:반응성가소제=1부:0.05∼0.3부의 비율범위로 조성함을 특징으로 하는 비닐레진 성층 도착용 프라이머"를 권리범위로 하고 있고,Korean Patent Publication No. 78-240 discloses the use of a solvent-based primer for the arrival of a solvent-type and vinyl resin layered layer comprising a resin having a ratio of methyl methacrylate and epoxy resin in the range of 1: 0.4 to 1.5. Methyl methacrylate resin: resol type phenol resin = 1 part: 0.2 to 1 part, methyl methacrylate: reactive plasticizer = 1 part: 0.05 to 0.3 part Vinyl resin stratification primer "for the right range,

한국 특허공고 제80-1359호는 "메틸메타크릴레이트레진과 에폭시레진의 비율을 1부:0.4∼1.5부, 메틸메타크릴레이트레진:레졸형페놀레진=1부:0.2∼1부, 메틸메타크릴레이트레진:반응성가소제=1부:0.05∼0.3부의 비율범위로 조성한 레진을 도막형성제의 주성분으로 하는 비닐레진필름 및 도료용 비닐레진 성층 도착용 소착식 프라이머의 도막형성제를 조성함에 있어서 메틸메타크릴레이트레진과 메틸메타크릴레이트, 에틸아크릴레이트, 아크릴산의 3원공중합체의 비율을 1부:1∼2부의 비율범위로 조성함을 특징으로 하는 비닐레진필름 및 도료용 비닐레진 성층 도착용 프라이머"를 권리범위로 하고 있다.Korean Patent Publication No. 80-1359 discloses "The ratio of methyl methacrylate resin and epoxy resin is 1 part: 0.4-1.5 parts, methyl methacrylate resin: resol type phenol resin = 1 part: 0.2-1 part, methyl meta In the preparation of a film forming agent of a vinyl resin film containing a resin composed of a ratio of acrylate resin: reactive plasticizer = 1 part: 0.05 to 0.3 part as a main component of the film-forming agent and a sintering primer for arriving at a layer of vinyl resin for coating. For the arrival of a layer of vinyl resin films and paints, the ratio of methacrylate resin, methyl methacrylate, ethyl acrylate, and acrylic acid terpolymer is formed in a ratio range of 1 part: 1 to 2 parts. Primer ".

그러나 상술한 공보에 기술된 두 발명은 모두 메틸메타크릴레이트레진과 에폭시레진을 원료로하여 페놀레진과 디에틸렌트리아민을 경화제로 경화시켜 접착력을 얻는 것으로 되어 있으나, 이 접착제는 특히 내충격성, 내수성 및 가공성이 부족하여 염화비닐필름 피복강판을 프레스로 가공하거나 충격을 주는 분야의 제품에는 사용할 수가 없어서 건축자재나 선박용 내장재 등에만 사용되었다. 더구나 상기 프라이머는 1액형으로 경화기구가 함유되어 있기 때문에 침전물이 생성되는 등 저장안정성이 좋지 않고 접착온도가 240∼250℃로 높아 염화비닐필름의 무광처리에 어려움이 있었다.However, the two inventions described in the above-mentioned publications are both methyl methacrylate resins and epoxy resins, and phenol resins and diethylene triamines are cured with a curing agent to obtain adhesive strength, but the adhesive is particularly impact resistance and water resistance. In addition, due to the lack of processability, the product cannot be used in the field of impacting or impacting vinyl chloride film coated steel sheet, which is used only for building materials and interior materials for ships. Moreover, since the primer contained a hardening mechanism in a one-part type, storage stability was not good, such as the formation of precipitates, and the adhesion temperature was high at 240 to 250 ° C., which made it difficult to matte the vinyl chloride film.

본 발명의 목적은 화성처리강판, 전기아연도금강판, 냉연강판 등의 금속판 표면에 본 발명에 따른 접착제를 롤코우터로 30∼40g/㎡ 정도로 도포하여 190∼220℃에서 40∼60초간 가열한 후 염화비닐필름을 압착시켜 접착성, 가공성, 내충격성, 내열성 등이 우수한 염화비닐필름을 피복한 강판을 제조하는데 필요한 염화비닐필름 피복강판용 접착제를 제공하기 위한 것이다.An object of the present invention is to apply the adhesive according to the present invention on the surface of the metal plate such as chemically treated steel sheet, electro-galvanized steel sheet, cold rolled steel sheet with a roll coater about 30-40g / ㎡ heated at 190-220 ℃ for 40-60 seconds It is to provide an adhesive for vinyl chloride film coated steel sheet required for producing a steel sheet coated with a vinyl chloride film excellent in adhesion, processability, impact resistance, heat resistance and the like by pressing the vinyl chloride film.

도1은 실시예1에 따른 접착제의 IR그래프1 is an IR graph of an adhesive according to Example 1

도2는 실시예2에 따른 접착제의 IR그래프Figure 2 is an IR graph of the adhesive according to Example 2

도3은 실시예3에 따른 접착제의 IR그래프Figure 3 is an IR graph of the adhesive according to Example 3

따라서 본 발명은 상술한 목적을 달성하기 위하여 메틸메타크릴레이트를 주원료로하여 2-하이드록시에틸메타크릴레이트, 2-에틸헥실메타크릴레이트를 코폴리머기질재로 사용하고 아크릴로니트릴 공중합체 용액을 도입하여 내충격성과 가공성을 개선하였으며, 에폭시기가 함유된 글리시딜메타크릴레이트를 도입하여 내열성과 접착성을 충족시킨 것이 특징이며, 이러한 원료들은 아크릴산 또는 메타크릴산과 벤조일퍼옥사이드를 중합개시제로하여 메틸에틸케톤, 메틸이소부틸케톤, 톨루엔, 부틸셀로솔브(에틸렌글리콜모노부틸에테르), 디이소부틸케톤 혼합용제속에서 그라프트 공중합으로 염화비닐필름 피복강판용 접착제수지를 합성하여 가교제를 첨가하면 본 발명에 따른 접착제가 제조된다.Therefore, the present invention uses 2-hydroxyethyl methacrylate, 2-ethylhexyl methacrylate as a copolymer base material and methyl acryl methacrylate as a main raw material in order to achieve the above object and the acrylonitrile copolymer solution Improving impact resistance and processability by introducing, and satisfying heat resistance and adhesiveness by introducing glycidyl methacrylate containing epoxy group, and these raw materials are methyl with acrylic acid or methacrylic acid and benzoyl peroxide as polymerization initiator. Ethyl ketone, methyl isobutyl ketone, toluene, butyl cellosolve (ethylene glycol monobutyl ether), diisobutyl ketone in a solvent mixture of graft copolymerization adhesive resin for vinyl chloride film coated steel sheet to synthesize a crosslinking agent According to the adhesive is prepared.

이와 같은 본 발명의 접착제는 메틸메타크릴레이트 1중량부에 대하여 2-하이드록시에틸메타크릴레이트 0.1∼0.2중량부, 2-에틸헥실메타크릴레이트 0.1∼0.3중량부, 아크릴로니트릴공중합체용액 0.6∼1.0중량부 및 글리시딜메타크릴레이트 0.1∼0.2중량부로 하고 메틸에틸케톤:메틸이소부틸케톤:부틸셀로솔브:디이소부틸케톤을 1:1:1: 1:1의 중량비로 하는 것을 특징으로하여 이 원료들을 응축기가 부착된 반응기에 넣고 서서히 교반시키면서 95℃로 가열하면 중합이 활발하게 진행되며, 약 4시간 후 중합이 완료되면 25℃로 냉각시켜 중합억지제와 내식성 보강제를 적당량 첨가하므로써 제조된다.Such an adhesive of the present invention is 0.1 to 0.2 parts by weight of 2-hydroxyethyl methacrylate, 0.1 to 0.3 parts by weight of 2-ethylhexyl methacrylate, and acrylonitrile copolymer solution 0.6 to 1 part by weight of methyl methacrylate. 1.0 parts by weight to 0.1 parts by weight of glycidyl methacrylate and methyl ethyl ketone: methyl isobutyl ketone: butyl cellosolve: diisobutyl ketone in a weight ratio of 1: 1: 1: 1: 1 When the raw materials are put in a reactor equipped with a condenser and heated slowly to 95 ° C., the polymerization proceeds vigorously. After about 4 hours, the polymerization is proceeded to cool down to 25 ° C. to add an appropriate amount of a polymerization inhibitor and a corrosion inhibitor. It is manufactured by doing so.

이러한 본 발명을 실시예에 따라 설명하면 다음과 같고, 실시예1은 그라프트 중합한 접착제이고, 실시예2와 3은 실시예1에 각각 가교제와 내식성 보강제를 첨가한 것이고, 각각의 실시예 결과에 따른 IR그래프가 도1∼도3에 나타나 있다. 한편 본 발명에 따른 접착제의 품질비교를 위하여 비교실시를 하였으며, 비교실시대상은 한국 특허공고 제78-240호이다.When explaining the present invention according to the embodiment as follows, Example 1 is a graft-polymerized adhesive, Examples 2 and 3 are added to the cross-linking agent and corrosion-resistant reinforcing agent in Example 1, respectively, IR graphs are shown in Figs. On the other hand, the comparison was carried out for quality comparison of the adhesive according to the present invention, the comparative subject is Korean Patent Publication No. 78-240.

실시예1, 2, 3Example 1, 2, 3

단위: 중량부Unit: parts by weight 조성물질명Composition 실시예1Example 1 실시예2Example 2 실시예3Example 3 메틸메타크릴레이트2-하이드록시에틸메타크릴레이트2-에틸헥실메타크릴레이트아클리로니트릴공중합체글리시딜메타크릴레이트메틸에틸케톤메틸이소부틸케톤톨루엔부틸셀로솔브디이소부틸케톤가교제내식성 보강제Methyl methacrylate 2-hydroxyethyl methacrylate 2-ethylhexyl methacrylate acrylonitrile copolymer glycidyl methacrylate methyl ethyl ketone methyl isobutyl ketone toluene butyl cellosolve diisobutyl ketone crosslinking agent 8.50.80.85.10.816.516.516.516.518.0--8.50.80.85.10.816.516.516.516.518.0-- 8.50.80.85.10.816.516.516.516.517.50.5-8.50.80.85.10.816.516.516.516.517.50.5- 8.50.80.85.10.816.516.516.516.516.50.51.08.50.80.85.10.816.516.516.516.516.50.51.0 system 100100 100100 100100 IR도면IR drawing 도11655 S1Fig. 11655 S1 도21655 S2Fig. 21655 S2 도31655 S3Fig. 31655 S3

비교실시예1, 2, 3Comparative Example 1, 2, 3

단위: 중량부Unit: parts by weight 조성물질명Composition 비교실시예1Comparative Example 1 비교실시예2Comparative Example 2 비교실시예3Comparative Example 3 메틸메타크릴레진에폭시레진디에틸렌트리아민가소제레졸형페놀레진메틸이소부틸케톤메틸에틸케톤디이소부틱케톤톨루엔메틸셀로솔브Methyl methacrylate epoxy resin diethylene triamine plasticizer resol type phenol resin methyl isobutyl ketone methyl ethyl ketone diisobutic ketone toluene methyl cellosolve 6.264.920.20.72.0120.2713.076.8820.3624.246.264.920.20.72.0120.2713.076.8820.3624.24 6.364.920.9-2.0120.2713.074.8820.3627.236.364.920.9-2.0120.2713.074.8820.3627.23 6.245.920.41.0-18.2913.178.4820.2726.236.245.920.41.0-18.2913.178.4820.2726.23 system 100100 100100 100100

비교시험을 위하여 이상의 실시예 및 비교실시예에 따라 제조된 접착제를 사용하여 생산된 염화비닐필름 피복강판을 한국품질표준규격 KS M 3343에 따라 각각 시편을 3개씩 제작하여 다음과 같이 실시하였으며, 그 결과를 다음 표1에 나타내었다.For the comparative test, three specimens of the vinyl chloride film coated steel sheet produced using the adhesive prepared according to the above Examples and Comparative Examples were prepared according to the Korean Quality Standard KS M 3343, respectively. The results are shown in Table 1 below.

1. 박리시험1. Peeling test

시편제작: 너비 20㎜, 길이 150㎜Specimen Fabrication: Width 20㎜, Length 150㎜

시험편은 한쪽 끝에서 90㎜ 정도 비닐층을 떼어낸 다음 비닐층을 180°구부린다. 장치 및 기구는 인장강도시험기를 사용하고 매분 50㎜의 속도로 인장하중을 가하여 박리시의 최대 하중을 측정하고 비닐층이 파탄되었을 때는 파탄시의 하중을 취한다.The specimen should be peeled about 90 mm from one end and bend the vinyl layer 180 °. Apparatus and apparatus are measured using a tensile strength tester and subjected to a tensile load at a rate of 50 mm per minute to measure the maximum load at the time of peeling, and at the time of breaking when the vinyl layer is broken.

2. 에릭슨시험2. Ericsson test

시편제작: 가로 90㎜, 세로 90㎜Specimen Fabrication: 90mm in width, 90mm in length

시험편은 중심선에서 양쪽 2.5㎜ 거리에 길이 50㎜되게 가로와 세로에 각각 2개의 선을 예리한 칼로 비닐층을 절단한다. 에릭슨시험기는 KS B 5529(에릭슨시험기)에 규정한 기구를 사용한다. 조작은 시험편의 중심이 다이스 중심에 일치하도록 하고 펀치의 속도는 5∼20㎜/min로 반지름이 6㎜되도록 염화비닐필름 피복강판을 팽출시켜 PVC필름이 박리되는 시험을 한다. 이 때 팽출된 중심에서 크로스 컷트한 PVC필름이 끊어지는 상태를 관찰한다.The test piece is cut out of the vinyl layer with a sharp knife two horizontally and vertically each 50 mm long at 2.5 mm distance from the center line. The Ericsson tester uses the apparatus specified in KS B 5529 (Ericsson Tester). Operation is to test the PVC film peeled by expanding the vinyl chloride film coated steel sheet so that the center of the test piece coincides with the die center and the punch speed is 5 to 20 mm / min and the radius is 6 mm. At this time, observe the state that the cross-cut PVC film is broken at the expanded center.

3. 굴곡시험3. Flexural test

시편제작: 가로 50㎜, 세로 150㎜Specimen Fabrication: 50mm wide, 150mm long

KS B 0804(금속재료 굴곡시험방법)에 따르며 25±5℃에서 180°로 시험편을 접었을 때 PVC필름이 끊어지지 않아야 한다.PVC film shall not break when the specimen is folded at 180 ° at 25 ± 5 ° C in accordance with KS B 0804 (Metal Bending Test Method).

4. 내한성시험4. Cold resistance test

굴곡시험시의 시편과 같으며 시험편을 0±1℃에서 1시간이상 유지하고 다시 굴곡시험과 똑같은 방법으로 한다.It is the same as the specimen in the bending test, and the specimen is kept at 0 ± 1 ℃ for at least 1 hour and again the same method as the bending test.

5. 내비등수성시험5. Boiling water resistance test

시편제작: 가로 20㎜, 세로 100㎜Specimen Fabrication: 20mm wide, 100mm long

200㎖이상되는 비이커에 자기의 작은 파편 2∼3개를 넣고 깨끗한 물을 깊이가 130㎜되게 넣고 가열한다. 기포가 매초 2∼3개 정도 발생하도록 끓인다. 60분후에 꺼내서 냉수에 5분간 넣어 냉각시킨후 건조시킨다. 이 때 PVC필름이 박리되는지 확인한다.Put 2 ~ 3 small pieces of porcelain into a beaker of 200ml or more and put clean water to a depth of 130mm and heat it. Boil two or three bubbles every second. After 60 minutes, take out in cold water for 5 minutes to cool and dry. At this time, check that the PVC film is peeled off.

6. 내식성시험6. Corrosion resistance test

시편제작: 가로 50㎜, 세로 100㎜Specimen Fabrication: 50mm in width, 100mm in length

시험편의 절단부분을 5㎜정도 투명테이프로 감싸서 부착하고 KS D 9502(염수분무 시험방법)에 따라 시험한다. 시험시간은 1000시간으로 한다.The cut part of the test piece shall be covered with a transparent tape of about 5mm and attached and tested according to KS D 9502 (Saline Spray Test Method). The test time is 1000 hours.

각 시험결과에 따른 시편의 성적부호는 시편번호를 기준하여 +++는 가장 좋은 것, ---는 가장 불량한 것, ++는 중도로 좋은 것, --는 중도로 불량한 것, +는 가장 적게 좋은 것, -는 가장 적게 불량한 것을 의미한다.According to the test results, the grade code of the specimen is +++ for the best, --- for the worst, ++ for the moderate,-for the poor, + for the most The less good, the less mean least.

표1Table 1

시험항목Test Items 본 발명의 시편Specimen of the Invention 비교시험의 시편Test Specimen 1One 22 33 1One 22 33 박리시험에릭슨시험굴곡시험내한성시험비등수성시험내식성 시험Peeling test Ericsson test Flexural test Cold resistance test Boiling water test Corrosion resistance test ++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++ ++++++++----++++++++ ---- ++++++++++---++++++++++ --- ++-+++++--++-+++++-

본 발명에 따라 제조된 접착제는 접착성, 내충격성, 내수성, 내열성 및 가공성이 우수할 뿐만 아니라 접착온도가 종래제품의 240∼250℃보다 낮은 190∼220℃로 폴리염화비닐의 무광처리가 용이하고 염화비닐필름 피복강판을 제조하는 작업속도가 빠른 효과가 있다.The adhesive prepared according to the present invention is not only excellent in adhesiveness, impact resistance, water resistance, heat resistance and processability, but also easy to matte polyvinyl chloride at 190 to 220 ° C., which has an adhesive temperature lower than 240 to 250 ° C. of conventional products. The work speed for producing a vinyl chloride film coated steel sheet is fast effect.

Claims (1)

금속판 표면에 염화비닐필름을 접착제로 압착시켜 물성 및 기계적 성질이 우수한 염화비닐필름 피복강판을 제조하는데 사용되는 접착제에 있어서, 메틸메타크릴레이트 1중량부에 대하여 2-하이드록시에틸메타크릴레이트 0.1∼0.2중량부, 2-에틸헥실메타크릴레이트 0.1∼0.3중량부, 아크릴로니트릴 공중합체용액 0.6∼1.0중량부 및 글리시딜메타크릴레이트 0.1∼0.2중량부로 하고 메틸에틸케톤:메틸이소부틸케톤:부틸셀로솔브:디이소부틸케톤을 1:1:1:1:1의 중량비로하여 그라프트 중합시키는 것을 특징으로 하는 염화비닐필름 피복강판용 접착제.In the adhesive used to produce a vinyl chloride film coated steel sheet having excellent physical properties and mechanical properties by compressing a vinyl chloride film with an adhesive on the surface of a metal plate, 0.1 to 2-hydroxyethyl methacrylate based on 1 part by weight of methyl methacrylate. 0.2 weight part, 2-ethylhexyl methacrylate 0.1-0.3 weight part, the acrylonitrile copolymer solution 0.6-1.0 weight part, and glycidyl methacrylate 0.1-0.2 weight part, and methyl ethyl ketone: methyl isobutyl ketone: Adhesive for vinyl chloride film coated steel sheet, characterized by graft polymerization of butyl cellosolve: diisobutyl ketone in a weight ratio of 1: 1: 1: 1: 1.
KR1019980011654A 1998-04-02 1998-04-02 Adhesive for coating pvc film to the metal plate KR100256218B1 (en)

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