KR20010079275A - Anti-corrosive epoxy coating composition containing lacquer - Google Patents
Anti-corrosive epoxy coating composition containing lacquer Download PDFInfo
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- KR20010079275A KR20010079275A KR1020010037953A KR20010037953A KR20010079275A KR 20010079275 A KR20010079275 A KR 20010079275A KR 1020010037953 A KR1020010037953 A KR 1020010037953A KR 20010037953 A KR20010037953 A KR 20010037953A KR 20010079275 A KR20010079275 A KR 20010079275A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C08L21/00—Compositions of unspecified rubbers
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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Abstract
Description
종래부터 선박 구조물의 방식 도료로서 타르 에폭시 도료가 사용되어 오고 있다. 상기 도료는 방식성, 내수성, 내약품성 등이 뛰어나지만, 타르를 함유하고 있기 때문에 이 타르 속에 함유된 발암성 물질 벤조피렌(benzopyrene)으로 인한 안전 위생 상의 문제뿐만 아니라 환경오염 등 많은 문제점을 야기시키고 있다.Conventionally, tar epoxy paints have been used as anticorrosive paints for ship structures. The paint is excellent in corrosion resistance, water resistance, chemical resistance, etc., but since it contains tar, it causes many problems such as environmental pollution as well as safety and hygiene problems caused by benzopyrene, a carcinogenic substance contained in this tar. .
근래에, 타르 대신 석유계 수지를 사용한 비-타르 도료도 개발되고 있지만, 상기 도료는 에폭시 수지 및 아민계 경화제와 석유계 수지의 상용성에 문제가 있으므로 특히 고도의 방식성 및 내수성 등이 요구되는 선박의 밸러스트 탱크 내에 적용하기에는 적합하지 않았다.In recent years, non-tar paints using petroleum resins instead of tars have also been developed. However, since the paints have problems in compatibility between epoxy resins and amine curing agents and petroleum resins, ships requiring particularly high corrosion resistance and water resistance are required. Not suitable for application in ballast tanks.
또한, 일반적으로 금속의 방청을 위해 금속 면에 피복하는 방식 도료가 알려져 있는데, 이와 같은 방식 도료는 방식 효과가 있는 방식 안료로서 아연 크로메이트, 스트론튬 크로메이트 등 크로메이트 화합물, 시아나미드 연, 아산화연, 연단, 염기성 크롬산염 등 연계 화합물을 배합해서 사용하였으므로 공해의 문제점이 대두되어 왔으며, 또한 내수성, 금속면에 대한 밀착성, 내식성 등의 물리적 특성이 좋지 않았다.In addition, anticorrosive paints are generally coated on metal surfaces for rust prevention of metals. Such anticorrosive paints are anticorrosive pigments having anticorrosive effects such as chromate compounds such as zinc chromate and strontium chromate, cyanamide lead, zinc oxide, and podium. The use of a linking compound, such as basic chromate, has been a problem of pollution, and physical properties such as water resistance, adhesion to metal surfaces, and corrosion resistance are poor.
한편, 옻칠은 활엽수 교목인 옻 나무의 수액에서 유래한 것으로 예로부터 상자 등과 같은 목재의 표면을 미화하고 장식하는 데 사용되어 왔다. 특히, 옻칠은 천연 수지의 일종으로서, 내염성, 내열성, 방수성, 절연성이 우수할 뿐 아니라 방부성, 방충성 및 항균성이 우수하다는 장점을 가지고 있는 것으로 알려져 있다. 옻칠은 옻나무의 수액을 채취하여 이를 피착체의 표면에 도포하고 건조함으로써 이루어지는 것으로, 옻나무의 자원만 확보된다면 공해 유발 등의 문제점이 적고 환경친화적이며 건강에 유익하다는 것이 주지의 사실이다. (허준 저 「동의보감」, 김일훈 저 「신약」참조)On the other hand, lacquer is derived from the sap of lacquer tree, which is a hardwood tree, and has been used to beautify and decorate the surface of wood such as boxes. In particular, lacquer is a kind of natural resin, it is known that not only has excellent flame resistance, heat resistance, water resistance, insulation, but also excellent antiseptic, insect repellent, and antibacterial properties. Lacquer is obtained by collecting the sap of lacquer and applying it to the surface of the adherend and drying it, it is well known that if the resources of the lacquer is secured, there are few problems such as causing pollution and it is environmentally friendly and good for health. (Refer to `` I agree with you '' and `` New Testament '' by Kim Il-hoon)
본 발명은 상기 언급한 종래의 방식 도료의 문제점을 해결하기 위해, 타르와 방청안료 대신 천연 또는 합성의 옻 성분을 에폭시 도료에 도입함으로써, 에폭시 수지와 아민계 경화제와의 상용성을 유지하면서 안전 위생상의 문제가 없고, 항균성, 방식성, 접착성, 내염성, 내열성 및 절연성이 우수한 에폭시 도료 조성물을 제공하는 것을 목적으로 한다.The present invention, in order to solve the problems of the conventional anticorrosive paint mentioned above, by introducing a natural or synthetic lacquer component to the epoxy paint instead of tar and rust preventive pigments, while maintaining compatibility with the epoxy resin and the amine curing agent, It is an object of the present invention to provide an epoxy coating composition which is free from problems and excellent in antibacterial, anticorrosive, adhesive, flame resistance, heat resistance and insulation.
본 발명에 따르면, 다양한 에폭시 수지에 일정한 양의 옻 성분을 혼합하고 여러 종류의 아민계 경화제로 경화시켜 목적하는 도료 조성물을 수득한다.According to the present invention, a certain amount of lacquer component is mixed with various epoxy resins and cured with various kinds of amine curing agents to obtain a desired coating composition.
본 발명에서 사용되는 옻 성분이란, 천연의 옻나무에서 채취된 옻 수액을 여과하여 불순물을 제거한 상태의 옻산 50-85%, 고무질 3.5-10%, 함질소물질 1.5-3.5%, 수분 10-40%를 함유하는 천연의 옻, 또는 합성 옻을 말한다.The lacquer component used in the present invention is 50-85% lacquer acid, 3.5-10% rubbery, 1.5-3.5% nitrogen-containing substance, 10-40% water, in which the lacquer sap collected from natural lacquer is filtered to remove impurities. It refers to natural lacquer or synthetic lacquer containing.
본 발명의 에폭시 도료 조성물은 (A)에폭시 수지, (B)아민계 경화제, (C)옻 성분 및 필요에 따라 (D)옻 건조제로 이루어지며, 이에 더하여 안료, 희석제, 용제 및 기타 원하는 도료의 물성을 부여하기 위한 통상의 도료용 첨가제를 함유할 수 있다.The epoxy coating composition of the present invention consists of (A) epoxy resin, (B) amine-based curing agent, (C) lacquer component and (D) lacquer desiccant, if necessary, in addition to pigments, diluents, solvents and other desired paints. It may contain a conventional paint additive for imparting physical properties.
상기 에폭시 수지(A) 및 아민계 경화제(B)로 이루어진 경화 수지 고형분 100 중량부에 대하여 첨가되는 옻 성분(C)의 양은 2 내지 80 중량부가 바람직하다.As for the quantity of the lacquer component (C) added with respect to 100 weight part of cured resin solid content which consists of the said epoxy resin (A) and an amine-type hardener (B), 2 to 80 weight part is preferable.
필요에 따라 옻 건조제 성분(D)이 함유되는데, 그 함량은 위 경화 수지 고형분 100 중량부에 대하여 0 내지 30 중량부가 바람직하다.If necessary, the lacquer drying agent component (D) is contained, and the content thereof is preferably 0 to 30 parts by weight based on 100 parts by weight of the above cured resin solid content.
본 발명에서 사용되는 에폭시 수지(A)는 한 분자 중에 적어도 2개 이상의 에폭시기를 포함하며, 에폭시 당량은 150-600, 바람직하게는 150-300인 것이 적당하다. 이러한 에폭시 수지로서, 예를 들면, 비스페놀형 에폭시 수지, 지방족 에폭시 수지, 글리시딜 에스테르계 에폭시 수지, 글리시딜 아민계 에폭시 수지, 페놀 블록형 에폭시 수지, 크레졸형 에폭시 수지 등 종래의 공지된 것들을 들 수 있고, 이러한 에폭시 수지를 단독으로 사용하거나 2종 이상 혼합하여 사용하여도 무방하다.The epoxy resin (A) used in the present invention contains at least two or more epoxy groups in one molecule, and the epoxy equivalent is suitably 150-600, preferably 150-300. Examples of such epoxy resins include conventionally known ones such as bisphenol type epoxy resins, aliphatic epoxy resins, glycidyl ester epoxy resins, glycidyl amine epoxy resins, phenol block type epoxy resins, and cresol type epoxy resins. These epoxy resins may be used alone or in combination of two or more thereof.
본 발명에서 사용되는 아민계 경화제(B)로는, 종래 공지된 에폭시 수지용 경화제, 예를 들면, 메타크실렌디아민, 이소프론디아민, 디에틸렌트리아민, 트리에틸렌테트라민, 디아미노디페닐메탄 등의 지방족 폴리아민류, 지방족 고리 폴리아민류, 방향족 폴리아민류, 상기 폴리아민의 에폭시 수지 부가물, 폴리아미드아민류, 폴리아미드 수지 등을 들 수 있는데, 이들을 1종 또는 2종 이상 혼합하여 사용할수 있다.As an amine hardening | curing agent (B) used by this invention, a conventionally well-known hardening | curing agent for epoxy resins, for example, metha xylenediamine, isoprondiamine, diethylenetriamine, triethylenetetramine, diaminodiphenylmethane, etc. Aliphatic polyamines, aliphatic cyclic polyamines, aromatic polyamines, epoxy resin adducts of the above polyamines, polyamideamines, polyamide resins, and the like, and the like, and these may be used alone or in combination of two or more thereof.
상기 (A)성분과 (B)성분의 혼합 비율은, 사용되는 두 성분의 종류에 따라 적당히 선택되지만, 통상 [(B)성분 중의 활성 수소 당량 / (A)성분 중의 에폭시 당량]의 당량비를 0.5 내지 1.0의 범위에 존재하도록 하는 것이 바람직하다.Although the mixing ratio of the said (A) component and (B) component is suitably selected according to the kind of two components used, Usually, the equivalence ratio of [active hydrogen equivalent in (B) component / epoxy equivalent in (A) component] is 0.5. It is preferable to exist in the range of -1.0.
(D)성분으로 사용되는 옻의 건조제의 예로서, 밀랍, 주정, 글리세린, 아세트산암모늄 용액, 구리암모니아 복염, 삼산화크롬 등을 들 수 있다.Examples of the lacquer desiccant used as the component (D) include beeswax, spirits, glycerin, ammonium acetate solution, copper ammonia double salt, chromium trioxide and the like.
그 외에도, 본 발명의 조성물에 필요에 따라 체질 안료, 착색 안료 등의 안료류, 반응성 희석제, 유기용제, 침강방지제, 점증제, 습윤제, 반응 촉진제, 부착성 부여제, 탈수제 등 통상의 도료용 첨가제가 적절히 첨가될 수 있다.In addition, additives for conventional paints, such as extender pigments and colored pigments, reactive diluents, organic solvents, antisettling agents, thickeners, wetting agents, reaction promoters, tackifiers, and dehydrating agents, as necessary for the composition of the present invention. May be added as appropriate.
또한, 본 발명에 따른 옻 성분 함유 에폭시 도료 조성물은 에폭시 수지와 아민계 경화제와 옻 성분의 상용성이 우수하여, 제품의 제조시 특별한 추가의 장치나 공정이 필요없이, 종래의 장치와 공정 만으로 방식성이 뛰어난 도료 조성물을 제공 할 수 있다.In addition, the lacquer-containing epoxy coating composition according to the present invention has excellent compatibility between the epoxy resin, the amine-based curing agent, and the lacquer component, and thus does not require any additional equipment or process in the manufacture of the product. It is possible to provide a coating composition having excellent properties.
(실시예)(Example)
본 발명을 이하의 실시예를 들어 더욱 상세히 설명한다. 그러나, 본 발명은 이들 실시예에 국한되는 것은 아니다.The present invention will be described in more detail with reference to the following examples. However, the present invention is not limited to these examples.
실시예 1: 에폭시 도료 조성물의 제조Example 1 Preparation of Epoxy Paint Composition
에폭시 수지(에폭시 당량 175) 100 중량부에 산화티탄 50 중량부, 탈크 70중량부, 크실렌 수지 10 중량부, 크실렌 10 중량부, 증점제 10 중량부, 건조제 5 중량부를 첨가, 교반하여 분산시킴으로서 주제를 만든 다음, 여기에 아민계 경화제 30 중량부를 도장 직전에 첨가하여 혼합, 교반시킴으로써 에폭시 도료를 수득하였다.To 100 parts by weight of epoxy resin (epoxy equivalent 175), 50 parts by weight of titanium oxide, 70 parts by weight of talc, 10 parts by weight of xylene resin, 10 parts by weight of xylene, 10 parts by weight of thickener, and 5 parts by weight of a desiccant are added, stirred and dispersed. Then, 30 parts by weight of an amine curing agent was added thereto immediately before coating, mixed, and stirred to obtain an epoxy paint.
상기 수득된 에폭시 도료에 옻 성분을 천연 옻 수액 상태로 0(대조용), 5 및 10 중량부를 첨가하여 각각의 도료를 수득하고, 유리판에 5 미크론 또는 20 미크론 두께로 도장하여 상온에서 24시간 동안 건조시키거나, 200℃의 고온에서 가열건조시켰다.To the obtained epoxy paint, the lacquer component was added with 0 (control), 5 and 10 parts by weight in the form of natural lacquer to obtain respective paints, and coated on a glass plate with a thickness of 5 microns or 20 microns for 24 hours at room temperature. It was dried or dried by heating at a high temperature of 200 ° C.
실시예 2: 도막의 성능 시험Example 2: Performance Test of Coating Film
광택도 및 외관은 육안으로 시험하였다.Glossiness and appearance were visually tested.
CET는 KS B0812 및 ISO 1520의 시험법에 따라, 바둑판 무늬로 교차 절단된 부분을 에릭센 커핑(Erichsen Cupping) 시험기로 변형을 가한 후 셀로판 테이프를 사용하여 변형된 부분의 도막 박리정도를 판정하였다.According to the test method of KS B0812 and ISO 1520, CET was subjected to deformation by using an Erichsen Cupping tester to check the cross-cut section of the checkered pattern to determine the degree of peeling of the film by using a cellophane tape.
내충격성 시험은 SH-S-2-0003, ASTM D2794 혹은 JIS K5400의 시험방법에 따라 시험하였다. 즉, 충격을 가해서 칼날 부위를 셀로판 테이프로 박리한 후, 도막의 박리 정도를 판정하였다. 판정기준은 다음과 같다.Impact resistance test was tested according to the test method of SH-S-2-0003, ASTM D2794 or JIS K5400. That is, after peeling off a blade site | part with a cellophane tape by applying an impact, the peeling degree of a coating film was determined. The criteria for evaluation are as follows.
*판정기준*Criteria
도막의 성능 및 물성 시험 결과는 다음 표와 같다.The performance and physical property test results of the coating film are shown in the following table.
상기 실시예의 실험결과로부터 나타난 바와 같이, 본 발명에 따르는 옻 성분 함유 에폭시 도료 조성물은 기존의 생산 시설 및 생산 시스템을 그대로 사용하여 경제적으로 제조가 가능하며, 종래의 에폭시 도료 조성물에 비하여 월등한 물리적 성질을 가지므로, 고도의 방식성 및 내수성이 요구되는 선박용 도료로서 유용하다.As shown from the experimental results of the above embodiment, the lacquer component-containing epoxy coating composition according to the present invention can be economically manufactured using the existing production facilities and production systems as it is, and superior physical properties compared to the conventional epoxy coating composition Since it is, it is useful as a marine paint which requires high corrosion resistance and water resistance.
이상에서 본 발명은 기재된 구체예에 대해서만 상세히 설명되었지만, 본 발명의 기술사상 범위 내에서 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 이러한 변형 및 수정이 첨부된 특허청구범위에 속함은 당연한 것이다.Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical spirit of the present invention, and such modifications and modifications belong to the appended claims. .
Claims (5)
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040084873A (en) * | 2004-07-27 | 2004-10-06 | 이정빈 | A composite of bio-functional wooden floor board and preparation method thereof |
KR100661803B1 (en) * | 2004-07-27 | 2006-12-28 | 김성수 | A coating composition of wooden floor board for electromagnetic-shielding and electromagnetic-absorption and preparation method thereof |
KR101329681B1 (en) * | 2011-06-03 | 2013-11-15 | 주식회사 모던우드 | Decoration Wood-Based Flooring Board Using Sap Of The Lacquer Tree And Method For Manufacturing The Same |
CN105936792A (en) * | 2016-05-27 | 2016-09-14 | 广西梧州龙鱼漆业有限公司 | Antirust automobile priming paint |
CN106010092A (en) * | 2016-05-27 | 2016-10-12 | 广西梧州龙鱼漆业有限公司 | Preparation method of antirust automobile primer |
KR102372144B1 (en) * | 2020-10-06 | 2022-03-08 | 김은경 | Flexible ottchil and coating substrate with the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0623334B2 (en) * | 1986-10-18 | 1994-03-30 | 石川県 | Refined lacquer |
JPH1053730A (en) * | 1996-08-12 | 1998-02-24 | Sakura Color Prod Corp | Painting color composition |
KR100332702B1 (en) * | 1999-07-28 | 2002-04-17 | 정명세 | New coating material based on urushiol and curing method |
KR100348865B1 (en) * | 1999-12-23 | 2002-08-17 | 태산도장 주식회사 | Oriental lacquer formulations with improved electrical properties and method for curing the same |
-
2001
- 2001-06-29 KR KR10-2001-0037953A patent/KR100434199B1/en not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040084873A (en) * | 2004-07-27 | 2004-10-06 | 이정빈 | A composite of bio-functional wooden floor board and preparation method thereof |
KR100661803B1 (en) * | 2004-07-27 | 2006-12-28 | 김성수 | A coating composition of wooden floor board for electromagnetic-shielding and electromagnetic-absorption and preparation method thereof |
KR101329681B1 (en) * | 2011-06-03 | 2013-11-15 | 주식회사 모던우드 | Decoration Wood-Based Flooring Board Using Sap Of The Lacquer Tree And Method For Manufacturing The Same |
CN105936792A (en) * | 2016-05-27 | 2016-09-14 | 广西梧州龙鱼漆业有限公司 | Antirust automobile priming paint |
CN106010092A (en) * | 2016-05-27 | 2016-10-12 | 广西梧州龙鱼漆业有限公司 | Preparation method of antirust automobile primer |
KR102372144B1 (en) * | 2020-10-06 | 2022-03-08 | 김은경 | Flexible ottchil and coating substrate with the same |
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