KR100835842B1 - Two-type epoxy resin composition - Google Patents
Two-type epoxy resin composition Download PDFInfo
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- KR100835842B1 KR100835842B1 KR1020070035878A KR20070035878A KR100835842B1 KR 100835842 B1 KR100835842 B1 KR 100835842B1 KR 1020070035878 A KR1020070035878 A KR 1020070035878A KR 20070035878 A KR20070035878 A KR 20070035878A KR 100835842 B1 KR100835842 B1 KR 100835842B1
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4042—Imines; Imides
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4292—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof together with monocarboxylic acids
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/44—Amides
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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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/44—Amides
- C08G59/46—Amides together with other curing agents
- C08G59/48—Amides together with other curing agents with polycarboxylic acids, or with anhydrides, halides or low-molecular-weight esters thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
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- C—CHEMISTRY; METALLURGY
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/00—Properties
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Abstract
Description
본 발명은 2액형 에폭시 수지 조성물에 관한 것으로, 보다 상세하게는 종래 유기용제를 사용하여 야기되던 독성 방출, 오존 고갈, 가연성, 함불소 화합물 발생 등의 문제로 인한 환경파괴를 해결하여 환경친화적일 뿐만 아니라, 시공시 또는 시공 후 심한 약품냄새의 발생을 억제하여 작업자가 작업하기에 용이한 2액형 에폭시 수지 조성물에 관한 것이다.The present invention relates to a two-component epoxy resin composition, and more particularly, it is environmentally friendly by solving environmental degradation due to problems such as toxic emission, ozone depletion, flammability, fluorine-containing compounds, etc., which were caused by using conventional organic solvents. Rather, the present invention relates to a two-component epoxy resin composition that is easy for an operator to work by suppressing the occurrence of severe chemical smell during or after construction.
일반적으로 에폭시수지는 굳힘강도, 경도, 가공성이 우수하며, 적합한 경화제와의 결합으로 경화시에 부피의 수축이 없고, 재료면에 큰 접착력을 가진다. 또한 기계적, 화학적 내성이 커서 여러 가지 용도에 널리 쓰일 수 있으며, 특히 고기능성 도료에 사용하는데 적합하다. In general, epoxy resin has excellent hardness, hardness, and workability, and there is no shrinkage of volume during curing due to bonding with a suitable curing agent, and has a large adhesion to the material surface. In addition, its mechanical and chemical resistance can be widely used in various applications, and is particularly suitable for use in high functional paints.
이러한 에폭시 수지는 도료용, 전기,전자용, 토목 및 건축용 등 다양한 분야에서 접착제, 도료, 충진용, 코팅제 등의 다양한 용도로 사용되고 있으며, 경화제와의 결합형태에 따라 통상적으로 1액형 또는 2액형으로 구분할 수 있다.These epoxy resins are used in various fields such as adhesives, paints, fillings, coatings, etc. in various fields, such as paints, electrical, electronics, civil engineering and construction, and usually in one-component or two-component form depending on the bonding form with the curing agent. Can be distinguished.
1액형 에폭시 도료는 부착력 및 빠른 건조 속도의 장점이 있어서 각종 열경화성 도료의 하도 및 코일코팅용 도료의 이면용 등으로 활용되고 있으나, 고형분이 낮고, 방향족이나 케톤류, 에스테르류 등의 강용제 사용량이 많아 도장 작업 중 냄새발생 및 지구온난화등의 환경적 문제가 있으며, 건조된 도막의 두께가 40 마이크론 이하로 제한되는 문제가 있어서 불산, 염산 등의 강산이 존재하는 환경에서 적절하게 도장된 소재를 보호하기 어려운 단점이 있다.The one-component epoxy paint has the advantages of adhesion and fast drying speed, so it is used for the bottom of various thermosetting paints and the back of coil coating paints, but the solid content is low and the amount of strong solvents such as aromatics, ketones and esters is high. There are environmental problems such as odor generation and global warming during painting work, and there is a problem that the thickness of dried coating film is limited to 40 microns or less, so as to protect the material properly painted in the presence of strong acid such as hydrofluoric acid and hydrochloric acid. It has a hard disadvantage.
따라서, 1액형 에폭시 도료의 단점을 해결하기 위하여 일반적으로 사용되는 에폭시수지 도료는 화학적인 반응을 통하여 경화되는 주제와 경화제가 나뉘어진 2액형이 주종을 이루고 있으며, 다른 수지들에 비하여 내약품성, 내식성, 내수성이 우수하고 접착성이 뛰어나 일반 건축물 및 산업용 도료등에 많이 사용된다. 2액형 에폭시 도료는 주제부와 경화제부를 혼합할 때, 상온에서 일정시간 경과 후에는 경화되어 겔화하는 단점이 있어서 사용상의 제약이 있다. 또한 저장성이 취약하여 연속적인 도장 라인에서는 사용이 어려우며, 염산, 황산, 가성 소다 등에는 어느 정도 강한 내성을 가지고 있으나, 불산에는 상대적으로 취약한 내성의 단점을 가지고 있다.Therefore, epoxy resin paints generally used to solve the shortcomings of one-component epoxy paints are mainly composed of a two-component type that is divided into a hardening agent and a hardening agent through chemical reactions, and is more resistant to chemicals and corrosion than other resins. Excellent water resistance and adhesiveness, it is widely used in general buildings and industrial paints. When the two-component epoxy paint is mixed with the main portion and the curing agent portion, there is a disadvantage in that there is a disadvantage in that after curing for a certain period of time at room temperature, it hardens and gels. In addition, it is difficult to use in a continuous coating line due to poor storage properties, and has a certain strong resistance to hydrochloric acid, sulfuric acid, caustic soda, etc., but has a disadvantage of relatively weak resistance to hydrofluoric acid.
이와 같은 에폭시 수지 조성물에 주제부와 경화제부에 사용되는 에스테르, 케톤류, 방향족 유기용제 등을 사용함으로써 작업시 심한 약품 냄새로 인하여 작업자의 두통이나 호흡곤란 등의 문제를 초래한다. 뿐만 아니라, 독성 방출, 오존 고갈, 가연성, 함불소 화합물 발생 등의 문제로 인하여 환경 규제의 대상이 되는 등 여러 문제가 대두되었다.By using esters, ketones, aromatic organic solvents, etc. used in the main part and the curing agent part in such an epoxy resin composition, a severe chemical smell during the operation causes problems such as headache or difficulty in breathing. In addition, problems such as toxic emission, ozone depletion, flammability, fluorine-containing compounds, etc. have become a target of environmental regulation, such as problems.
상기와 같은 종래기술의 문제점을 해결하고자, 본 발명은 종래 유기용제를 사용하여 야기되던 독성 방출, 오존 고갈, 가연성, 함불소 화합물 발생 등의 문제로 인한 환경파괴를 해결하여 환경친화적일 뿐만 아니라, 시공시 또는 시공 후 심한 약품냄새의 발생을 억제하여 작업자가 작업하기에 용이한 2액형 에폭시 수지 조성물을 제공하는 것을 목적으로 한다.In order to solve the problems of the prior art as described above, the present invention is not only environmentally friendly by solving the environmental damage caused by problems such as toxic emission, ozone depletion, flammability, fluorine-containing compounds caused by the conventional organic solvent, It is an object of the present invention to provide a two-component epoxy resin composition that is easy for an operator to work by suppressing the occurrence of severe chemical smell during or after construction.
상기 목적을 달성하기 위하여, 본 발명은 In order to achieve the above object, the present invention
a)ⅰ) 에폭시 수지; 및a) i) epoxy resin; And
ⅱ) 비방향족 희석제;를 함유하는 주제부; 및 Ii) non-aromatic diluents; And
b)ⅰ) 경화제 수지; 및b) iii) curing agent resin; And
ⅱ) 비방향족 희석제;를 함유하는 경화제부;를 포함하는 것을 특징으로 하는 2액형 에폭시 수지 조성물을 제공한다. Ii) a non-aromatic diluent; a curing agent portion containing; provides a two-component epoxy resin composition comprising a.
바람직하게, 상기 2액형 에폭시 수지 조성물은 a)ⅰ) 에폭시 수지 1 내지 80 중량% 및 ⅱ) 잔량의 비방향족 희석제;를 함유하는 주제부; 및 b)ⅰ) 경화제 수지 1 내지 80 중량% 및 ⅱ) 잔량의 비방향족 희석제;를 함유하는 경화제부;를 포함하되, 상기 주제와 경화제가 1:1 내지 3:1의 중량비로 혼합된다.Preferably, the two-component epoxy resin composition comprises a) i) 1 to 80% by weight of epoxy resin and ii) a residual non-aromatic diluent; And b) i) 1 to 80% by weight of a curing agent resin and ii) a residual amount of non-aromatic diluent; wherein the main agent and the curing agent are mixed in a weight ratio of 1: 1 to 3: 1.
상기 a)ⅱ) 및 b)ⅱ)의 비방향족 희석제는 이소부틸 알코올, 메틸 알코올, 메틸렌 클로라이드, 이소프로필 알코올 등을 사용하는 것이 바람직하다.It is preferable to use isobutyl alcohol, methyl alcohol, methylene chloride, isopropyl alcohol, etc. for the non-aromatic diluents of a) ii) and b) ii).
이하 본 발명을 상세하게 설명한다. Hereinafter, the present invention will be described in detail.
본 발명자는 에폭시 수지 조성물에 사용되는 에스테르, 케톤류, 방향족 유기 용제 등으로 인해 야기되는 독특한 냄새를 없애기 위해 연구한 결과, 방향족 희석제를 대신하여 알코올류와 같은 비방향족 희석제를 사용한 결과 작업중 발생하는 냄새를 없앨 수 있음을 확인하고, 이를 토대로 본 발명을 완성하였다.The present inventors have studied to eliminate the unique odor caused by esters, ketones, aromatic organic solvents, etc. used in the epoxy resin composition, and as a result of using a non-aromatic diluent such as alcohols in place of the aromatic diluent, Confirmed that can be eliminated, the present invention was completed based on this.
본 발명의 2액형 에폭시 수지는 에폭시 수지 및 비방향족 희석제를 함유하는 주제부와 경화제 수지 및 비방향족 희석제를 함유하는 경화제부를 포함하는 것을 특징으로 한다.The two-component epoxy resin of the present invention is characterized by including a main portion containing an epoxy resin and a non-aromatic diluent and a curing agent portion containing a curing agent resin and a non-aromatic diluent.
본 발명의 2액형 에폭시 수지 조성물의 주제부에 사용되는 상기 에폭시 수지는 당업계에서 사용되는 통상의 에폭시 수지이면 그 종류가 제한되지 않는다. 예를 들어, 상기 에폭시 수지는 비스페놀 A형 에폭시 수지, 에피클로로히아드린과의 축합반응에 의해 생성된 디글리시딜 에테르 비스페놀 A형 에폭시 수지(DGEBA), 페놀노볼락형 에폭시 수지, 크레졸노볼락형 에폭시 수지 등을 사용할 수 있다.The epoxy resin used in the main portion of the two-component epoxy resin composition of the present invention is not limited as long as it is a conventional epoxy resin used in the art. For example, the epoxy resin is a bisphenol A epoxy resin, a diglycidyl ether bisphenol A epoxy resin (DGEBA) produced by condensation reaction with epichlorohydrin, a phenol novolak type epoxy resin, cresol novolak Type epoxy resin etc. can be used.
상기 에폭시 수지는 주제부에 1 내지 80 중량%로 포함되는 것이 바람직하며, 더욱 바람직하게는 10 내지 60 중량%로 포함되는 것이다. 그 함량이 상기 범위내일 경우에는 에폭시 수지 조성물이 적정범위의 강도를 유지하도록 하여 작업성이 향상되는 효과가 있다.The epoxy resin is preferably included in the main body of 1 to 80% by weight, more preferably 10 to 60% by weight. When the content is in the above range, the epoxy resin composition has the effect of maintaining the strength of the appropriate range to improve the workability.
본 발명의 2액형 에폭시 수지 조성물의 주제부에 사용되는 상기 비방향족 희석제는 에폭시 수지 조성물에 사용되어 작업중 독특한 냄새의 발생을 억제할 수 있다. The non-aromatic diluent used in the main portion of the two-component epoxy resin composition of the present invention can be used in the epoxy resin composition to suppress the occurrence of unique odor during operation.
상기 비방향족 희석제는 이소부틸 알코올, 메틸 알코올, 메틸렌 클로라이드, 이소프로필 알코올 등을 사용할 수 있다.The non-aromatic diluent may be isobutyl alcohol, methyl alcohol, methylene chloride, isopropyl alcohol and the like.
또한 본 발명의 2액형 에폭시 수지 조성물의 주제부에는 필요에 따라 착색안료, 체질안료, 용제, 가소제, 증점제, 소포제, 레벨링제, 무기충진제 등을 더 첨가하여 사용할 수 있다.In addition, a coloring pigment, a sieving pigment, a solvent, a plasticizer, a thickener, an antifoaming agent, a leveling agent, an inorganic filler, and the like may be further added to the main part of the two-component epoxy resin composition of the present invention, if necessary.
본 발명의 2액형 에폭시 수지 조성물의 경화제부에 사용되는 상기 경화제 수지는 아민계 수용성 경화제 수지, 산무수물계 경화제 수지, 폴리아마이드계 수용성 경화제 수지, 이미다졸계 경화제 수지 등을 사용할 수 있다. 특히, 상기 폴리아마이드계 수용성 경화제 수지는 폴리아민류와 중합식물류 지방산과 축중합반응으로 생성된 수지로 점도(25 ℃에서 측정)가 3,000∼10,000 cps인 것이 좋다.As said hardening | curing agent resin used for the hardening | curing agent part of the two-component epoxy resin composition of this invention, an amine type water-soluble hardening | curing agent resin, an acid anhydride type hardening | curing agent resin, a polyamide-based water-soluble hardening | curing agent resin, an imidazole series hardening | curing agent resin, etc. can be used. In particular, the polyamide-based water-soluble curing agent resin is a resin produced by polycondensation reaction with polyamines and polymerized plant fatty acids, the viscosity (measured at 25 ℃) is preferably 3,000 to 10,000 cps.
상기 경화제 수지는 경화제부에 1 내지 80 중량%로 포함되는 것이 바람직하며, 더욱 바람직하게는 10 내지 70 중량%로 포함되는 것이다. 그 함량이 상기 범위내일 경우에는 희석제에 대한 우수한 용해성으로 경화제부가 주제부에 균일하게 혼합되어 적당한 점도와 경도를 유지함으로써 경화시간을 단축할 수 있으며, 경화시 수축을 현저히 감소시킬 수 있는 효과가 있다.The curing agent resin is preferably contained in 1 to 80% by weight, more preferably 10 to 70% by weight of the curing agent. When the content is within the above range, the curing agent portion is uniformly mixed in the main part with excellent solubility in the diluent, so that the curing time can be shortened by maintaining the proper viscosity and hardness, and the shrinkage during curing can be significantly reduced. .
본 발명의 2액형 에폭시 수지 조성물의 경화제부에 사용되는 상기 비방향족 희석제는 상기 주제부에 사용되는 비방향족 희석제와 동일한 의미이다.The non-aromatic diluent used in the curing agent portion of the two-component epoxy resin composition of the present invention has the same meaning as the non-aromatic diluent used in the main portion.
또한 상기 경화제부에는 경화촉진제를 추가로 더 사용하여 경화를 빠르게 하여 작업시간을 단축시키고 강도를 증가시킬 수 있다.In addition, the curing agent portion may further use a curing accelerator to further cure to shorten the working time and increase the strength.
상기 경화촉진제는 통상의 경화촉진제, 예를 들어 노닐페놀, 리튬카보나이트계 등을 사용할 수 있다.The curing accelerator may be a conventional curing accelerator, for example, nonylphenol, lithium carbonite-based and the like.
상기 경화촉진제는 사용되는 경화제의 종류 및 양에 따라 그 함량을 달리할 수 있으며, 예를 들어 경화제부에 0.01 내지 50 중량%로 포함되는 것이 경화시간의 단축과 저온경화성 향상에 있어 더 좋다.The curing accelerator may vary in content depending on the type and amount of the curing agent used, for example, it is better to include 0.01 to 50% by weight of the curing agent in shortening the curing time and improving the low temperature curing properties.
상기와 같은 주제부와 경화제부는 1:1 내지 3:1의 중량비로 혼합하는 것이 바람직하다. 상기 주제부와 경화제부는 동시에 두 가지 성분을 혼합하여 사용할 수도 있으며, 경화제부에 주제부를 소량으로 1차 첨가하여 반응시킨 후, 여기에 나머지량의 주제부를 첨가하여 혼합하는 어덕트 타입(adduct type)으로도 사용할 수 있다.It is preferable to mix the main portion and the hardener portion as described above in a weight ratio of 1: 1 to 3: 1. The main part and the hardener may be used by mixing two components at the same time.The adduct type for adding the main part in a small amount to the hardener and reacting it first, followed by adding and mixing the remaining amount of the main part. Can also be used as
이하, 본 발명의 이해를 돕기 위하여 바람직한 실시예를 제시하나, 하기 실시예는 본 발명을 예시하는 것일 뿐 본 발명의 범위가 하기 실시예에 한정되는 것은 아니다.Hereinafter, preferred examples are provided to help understanding of the present invention, but the following examples are merely to illustrate the present invention, and the scope of the present invention is not limited to the following examples.
[실시예]EXAMPLE
실시예 1Example 1
에폭시 수지로 비스페놀 A형 에폭시 수지 50 ㎏, 탄산칼슘(도막형성제) 30 ㎏, 무기안료 8 ㎏, 이소프로필알코올 4 ㎏, 이소부틸알코올 1 ㎏, 메틸 알코올 5 ㎏, 메틸렌 클로라이드 1.7 ㎏ 및 소포제 0.3 ㎏를 순서대로 삼단 롤러로 분쇄한 후, 다시 고속교반기로 교반하여 15 ㎏씩 포장하여 주제부를 준비하였다.50 kg of bisphenol A type epoxy resin, 30 kg of calcium carbonate (film forming agent), inorganic pigment 8 kg, isopropyl alcohol 4 kg, isobutyl alcohol 1 kg, methyl alcohol 5 kg, methylene chloride 1.7 kg and antifoam 0.3 After kg was crushed with a three-stage roller in order, it was stirred again with a high speed stirrer and packed in 15 kg each to prepare a main part.
그 다음, 경화제 수지로 아민계 수용성 경화제 수지 50 ㎏, 이소프로필 알코올 10 ㎏, 메틸 알코올 20 ㎏, 메틸렌 클로라이드 10 ㎏ 및 이소부틸알코올 10 ㎏을 순서대로 첨가하여 교반한 후 5 ㎏씩 포장하여 경화제부를 준비하였다.Then, 50 kg of amine-based water-soluble curing agent resin, 10 kg of isopropyl alcohol, 20 kg of methyl alcohol, 10 kg of methylene chloride, and 10 kg of isobutyl alcohol were added to the curing agent resin, stirred, and then packaged by 5 kg each. Ready.
비교예 1Comparative Example 1
에폭시 수지로 비스페놀 A형 에폭시 수지 50 ㎏, 탄산칼슘(도막형성제) 30 ㎏, 무기안료 8 ㎏, 벤젠 11.7 ㎏ 및 소포제 0.3 ㎏를 순서대로 삼단 롤러로 분쇄한 후, 다시 고속교반기로 교반하여 15 ㎏씩 포장하여 주제부를 준비하였다.50 kg of bisphenol A epoxy resin, 30 kg of calcium carbonate (film forming agent), inorganic pigment 8 kg, benzene 11.7 kg, and 0.3 kg of antifoaming agent were pulverized in sequence with a three-stage roller, followed by stirring with a high speed stirrer. The main parts were prepared by packing each kg.
그 다음, 경화제 수지로 아민계 수용성 경화제 수지 50 ㎏, 벤젠 50 ㎏을 순서대로 첨가하여 교반한 후 5 ㎏씩 포장하여 경화제부를 준비하였다.Subsequently, 50 kg of the amine-based water-soluble curing agent resin and 50 kg of benzene were added and stirred as the curing agent resin, followed by packing by 5 kg, thereby preparing a curing agent part.
비교예 2Comparative Example 2
에폭시 수지로 비스페놀 A형 에폭시 수지 50 ㎏, 탄산칼슘(도막형성제) 30 ㎏, 무기안료 8 ㎏, 톨루엔 11.7 ㎏ 및 소포제 0.3 ㎏를 순서대로 삼단 롤러로 분쇄한 후, 다시 고속교반기로 교반하여 15 ㎏씩 포장하여 주제부를 준비하였다.50 kg of bisphenol A type epoxy resin, 30 kg of calcium carbonate (film forming agent), inorganic pigment 8 kg, toluene 11.7 kg and antifoaming agent 0.3 kg were sequentially ground with a three-stage roller, followed by stirring with a high speed stirrer. The main parts were prepared by packing each kg.
그 다음, 경화제 수지로 아민계 수용성 경화제 수지 50 ㎏, 톨루엔 50 ㎏을 순서대로 첨가하여 교반한 후 5 ㎏씩 포장하여 경화제부를 준비하였다.Subsequently, 50 kg of the amine-based water-soluble curing agent resin and 50 kg of toluene were added and stirred as the curing agent resin, followed by packing by 5 kg, thereby preparing a curing agent part.
상기 실시예 1 및 비교예 1 또는 2에서 제조한 에폭시 수지 조성물을 각각 건조도막에 50 ㎛의 두께로 도포한 후 목재에 부착한 결과, 목재에 대하여 실시예 1의 에폭시 수지 조성물은 종래 에폭시 수지 조성물인 비교예 1 및 2와 대등한 정도의 전단강도를 나타내면서도 시공시 또는 시공후 발생하는 독한 약품냄새를 현저히 줄여 냄새가 거의 발생하지 않았다. 이로부터 본 발명에 따른 실시예 1의 에폭시 수지 조성물은 시공시 또는 시공 후 심한 약품냄새의 발생을 억제하여 별도의 환기를 시키지 않고도 작업자가 작업하기에 용이할 수 있음을 알 수 있었다.As a result of applying the epoxy resin composition prepared in Example 1 and Comparative Examples 1 or 2 to a dry coating film with a thickness of 50 μm, respectively, and then attaching to wood, the epoxy resin composition of Example 1 for wood is a conventional epoxy resin composition. While showing shear strength comparable to those of Comparative Examples 1 and 2, the smell of the drug was significantly reduced by significantly reducing the odor of the chemicals generated during or after construction. From this it can be seen that the epoxy resin composition of Example 1 according to the present invention can be easy for the operator to work without additional ventilation by suppressing the occurrence of severe chemical smell during or after construction.
또한, 상기 실시예 1 및 비교예 1 또는 2의 에폭시 수지 조성물을 사용하여 냄새, 가사시간, 및 전단강도를 통상의 접착제 물성 평가방법으로 측정하고, 그 결 과를 하기 표 2에 나타내었다. 이때, 전단강도는 25 ㎜ × 25 ㎜의 시편에 상기 실시예 1 및 비교예 1 또는 2의 에폭시 수지 조성물을 부착한 후 5 시간, 24 시간, 72 시간이 지난 후에 측정하였다. 또한, 냄새가 전혀 없는 것을 5점, 약간 나는 것을 3점, 심하게 나는 것을 1점으로 하여 10 회 반복하여 평균치를 기재하였다.In addition, using the epoxy resin composition of Example 1 and Comparative Examples 1 or 2, the smell, pot life, and shear strength were measured by a conventional adhesive property evaluation method, and the results are shown in Table 2 below. At this time, the shear strength was measured after 5 hours, 24 hours, and 72 hours after attaching the epoxy resin composition of Example 1 and Comparative Example 1 or 2 to the specimen of 25 mm × 25 mm. In addition, the average value was repeated 10 times, making five points, the one which has a little smell, three points, and the one which makes a bad smell one point at all.
[표 1]TABLE 1
상기 표 2를 통하여, 본 발명에 따른 실시예 1의 에폭시 수지 조성물은 종래 유기용제를 용매로 사용한 비교예 1 및 2의 에폭시 수지 조성물과 비교하여 대등한 정도의 접착력을 나타내면서도 독한 약품냄새를 현저히 저하시켜 작업자의 시공하기에 용이함을 알 수 있었다.Through the above Table 2, the epoxy resin composition of Example 1 according to the present invention exhibits a comparable degree of adhesion and a strong chemical smell compared to the epoxy resin compositions of Comparative Examples 1 and 2 using a conventional organic solvent as a solvent. It was found to be easy for the construction of the worker by lowering.
본 발명에 따른 2액형 에폭시 수지 조성물은 종래 유기용제를 사용하여 야기되던 독성 방출, 오존 고갈, 가연성, 함불소 화합물 발생 등의 문제로 인한 환경파괴를 해결하여 환경친화적일 뿐만 아니라, 시공시 또는 시공 후 심한 약품냄새의 발생을 억제하여 작업자가 작업하기에 용이하다.The two-component epoxy resin composition according to the present invention solves environmental degradation due to problems such as toxic emission, ozone depletion, flammability, and fluorine-containing compounds, which are caused by using conventional organic solvents. It is easy for workers to work by suppressing the occurrence of severe chemical smell afterwards.
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| KR101261289B1 (en) | 2011-11-18 | 2013-05-08 | 주식회사 젠트로 | Coating composition for preventing pollution |
| KR20230058814A (en) | 2021-10-25 | 2023-05-03 | 경상국립대학교산학협력단 | Multifunctional hydrophobic emulsion using waste silk and wast glass, concrete and steel structure surface protective material comprising the same, and structure surface protection method using the same |
| KR102708629B1 (en) | 2023-10-20 | 2024-09-24 | 주식회사 옳담 | Coating agent composition for surface protection of structures with excellent flame retardancy, condensation prevention, contamination prevention, and neutralization resistance, and structure surface protection method using the same |
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| KR20230058814A (en) | 2021-10-25 | 2023-05-03 | 경상국립대학교산학협력단 | Multifunctional hydrophobic emulsion using waste silk and wast glass, concrete and steel structure surface protective material comprising the same, and structure surface protection method using the same |
| KR102708629B1 (en) | 2023-10-20 | 2024-09-24 | 주식회사 옳담 | Coating agent composition for surface protection of structures with excellent flame retardancy, condensation prevention, contamination prevention, and neutralization resistance, and structure surface protection method using the same |
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