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KR102475838B1 - Emulsified asphalt composition - Google Patents

Emulsified asphalt composition Download PDF

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KR102475838B1
KR102475838B1 KR1020200070266A KR20200070266A KR102475838B1 KR 102475838 B1 KR102475838 B1 KR 102475838B1 KR 1020200070266 A KR1020200070266 A KR 1020200070266A KR 20200070266 A KR20200070266 A KR 20200070266A KR 102475838 B1 KR102475838 B1 KR 102475838B1
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emulsified asphalt
emulsified
weight
water
asphalt composition
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KR1020200070266A
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KR20210153346A (en
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김기현
이문섭
손정탄
한영남
김연태
이지익
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한국건설기술연구원
인성에이앤티 주식회사
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C08L95/005Aqueous compositions, e.g. emulsions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/05Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/17Amines; Quaternary ammonium compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02Cellulose; Modified cellulose
    • C08L1/04Oxycellulose; Hydrocellulose, e.g. microcrystalline cellulose
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00Compositions of oils, fats or waxes; Compositions of derivatives thereof

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  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • Structural Engineering (AREA)
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  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

본 발명은 유화 아스팔트 고형분 40 ~ 70 중량%; Quaternary ammonium, Amine, Tall Oil, Hydrogenated tallow, Tetraethylenepentamine 중 어느 하나인 계면활성제 0.1 ~ 5 중량%; Hydroxyethyl methylcellulose, 카르복싱틸 메테르, 나트륨 염 중 어느 하나인 안정재 0.1 ~ 0.3% 중량%; 물 29 ~ 55 중량%;를 포함하고, 입자의 크기 1 ~ 2 um인 것 60 ~ 80 중량%, 3 ~ 40 um인 것 20 ~ 40 중량%를 포함하는 것을 특징으로 하는 유화 아스팔트 조성물을 제시함으로써, 입자의 크기가 작아 설비의 노즐이 막힐 가능성이 낮고, 저장안정성이 높아 보관기간을 증대할 수 있도록 한다.The present invention emulsified asphalt solid content of 40 to 70% by weight; 0.1 to 5% by weight of a surfactant that is any one of quaternary ammonium, amine, tall oil, hydrogenated tallow, and tetraethylenepentamine; 0.1 to 0.3% by weight of a stabilizer that is any one of hydroxyethyl methylcellulose, carboxyethyl methyl, and sodium salt; 29 to 55% by weight of water; by presenting an emulsified asphalt composition comprising 60 to 80% by weight of a particle size of 1 to 2 um and 20 to 40% by weight of a particle size of 3 to 40 um In addition, the particle size is small, so the possibility of clogging of the nozzle of the equipment is low, and the storage stability is high, so that the storage period can be extended.

Description

유화 아스팔트 조성물{EMULSIFIED ASPHALT COMPOSITION}Emulsified asphalt composition {EMULSIFIED ASPHALT COMPOSITION}

본 발명은 건설 재료분야에 관한 것으로서, 상세하게는 유화 아스팔트 조성물 및 그 제조방법에 관한 것이다.The present invention relates to the field of construction materials, and more particularly, to an emulsified asphalt composition and a manufacturing method thereof.

유화 아스팔트란, 아스팔트를 유화제와 안정제를 함유한 물속에 미립자로 분산하여 액상으로 제조한 조성물을 의미한다.Emulsified asphalt refers to a composition prepared by dispersing asphalt as fine particles in water containing an emulsifier and a stabilizer to prepare a liquid phase.

도 1은 종래의 유화 아스팔트의 제조방법의 공정도이다.1 is a process chart of a conventional manufacturing method of emulsified asphalt.

이는 유화수와 아스팔트를 믹서에 의해 혼합하고, 냉각기에 의해 냉각하는 방식에 의해 제조하는 방식을 취한다.It takes a method of manufacturing by mixing emulsified water and asphalt by a mixer and cooling by a cooler.

이러한 종래의 제조방법에 의해 제조된 유화 아스팔트는 입자의 크기가 1 ~ 2 um인 것 30 중량%, 3 ~ 40 um인 것 70 중량% 정도로 구성되는데, 이는 다음과 같은 문제가 있었다.The emulsified asphalt prepared by this conventional manufacturing method consists of about 30% by weight of particles having a particle size of 1 to 2 um and 70% by weight of particles having a particle size of 3 to 40 um, which has the following problems.

첫째, 입자의 크기가 크므로, 현장 살포시 스프레이 설비에 막힐 확률이 크고, 특히 동시포설 피니셔(아스콘 및 유화 아스팔트 살포를 동시에 시공하는 설비) 적용시 노즐이 막힐 확률이 크다는 문제가 있다.First, since the size of the particles is large, there is a high probability of clogging of the spray equipment during on-site spraying, especially when applying a simultaneous laying finisher (equipment for simultaneously spraying asphalt and emulsified asphalt).

동시포설 장비 시공시 유화 아스팔트 스프레이가 막힐 경우 재살포가 불가능하기 때문에 스프레이의 상태는 매우 중요하다.When installing simultaneous installation equipment, if the emulsified asphalt spray is clogged, it is impossible to re-spray, so the condition of the spray is very important.

포설 시 유화 아스팔트 온도를 60℃까지 올리면 위 노즐 막힘이 어느 정도 방지되지만, 이는 가열 공정이 추가된다는 번거로움이 있다.Raising the emulsified asphalt temperature to 60 ° C during laying prevents clogging of the upper nozzle to some extent, but this has the inconvenience of adding a heating process.

둘째, 입자의 크기가 크므로, 저장안정성이 낮아 보관기간이 3개월에 불과하다.Second, since the size of the particles is large, the storage stability is low, and the storage period is only 3 months.

본 발명은 상기와 같은 문제점을 해결하기 위하여 도출된 것으로서, 입자의 크기가 작아 설비의 노즐이 막힐 가능성이 낮고, 저장안정성이 높아 보관기간을 증대할 수 있도록 하는 유화 아스팔트 조성물 및 그 제조방법을 제시하는 것을 그 목적으로 한다.The present invention was derived to solve the above problems, and suggests an emulsified asphalt composition and a method for manufacturing the same, which have a low possibility of clogging of the nozzle of the facility due to the small size of the particles and increase the storage period due to high storage stability. to do for that purpose.

상기 과제의 해결을 위하여, 본 발명은 유화 아스팔트 고형분 40 ~ 70 중량%; Quaternary ammonium, Amine, Tall Oil, Hydrogenated tallow, Tetraethylenepentamine 중 어느 하나인 계면활성제 0.1 ~ 5 중량%; Hydroxyethyl methylcellulose, 카르복싱틸 메테르, 나트륨 염 중 어느 하나인 안정재 0.1 ~ 0.3% 중량%; 물 29 ~ 55 중량%;를 포함하고, 입자의 크기 1 ~ 2 um인 것 60 ~ 80 중량%, 3 ~ 40 um인 것 20 ~ 40 중량%를 포함하는 것을 특징으로 하는 유화 아스팔트 조성물을 제시한다.In order to solve the above problems, the present invention emulsified asphalt solids 40 to 70% by weight; 0.1 to 5% by weight of a surfactant that is any one of quaternary ammonium, amine, tall oil, hydrogenated tallow, and tetraethylenepentamine; 0.1 to 0.3% by weight of a stabilizer that is any one of hydroxyethyl methylcellulose, carboxyethyl methyl, and sodium salt; 29 to 55% by weight of water; presents an emulsified asphalt composition comprising 60 to 80% by weight of particles having a particle size of 1 to 2 um and 20 to 40% by weight of particles having a size of 3 to 40 um .

본 발명은 상기 유화 아스팔트 조성물의 제조방법으로서, 상기 계면활성제, 안정재를 40 ~ 60℃의 상기 물과 혼합하여 유화수를 제조하는 유화수 제조단계; 상기 유화 아스팔트 고형분을 150 ~ 165℃로 가열하는 아스팔트 가열단계; 상기 유화수, 유화 아스팔트 고형분을 분쇄믹서(100)에 의해 혼합 및 분쇄하여 상기 유화 아스팔트 조성물을 제조하는 혼합단계; 상기 유화 아스팔트 조성물을 냉각하는 냉각단계;를 포함하는 것을 특징으로 하는 유화 아스팔트 조성물의 제조방법을 제시한다.The present invention is a method for producing the emulsified asphalt composition, comprising: preparing emulsified water by mixing the surfactant and the stabilizer with the water at 40 to 60 ° C; Asphalt heating step of heating the emulsified asphalt solids to 150 ~ 165 ℃; A mixing step of preparing the emulsified asphalt composition by mixing and pulverizing the emulsified water and the emulsified asphalt solids by a grinding mixer 100; A cooling step of cooling the emulsified asphalt composition; proposes a method for producing an emulsified asphalt composition comprising the.

상기 혼합단계 이전, 상기 유화수를 스테이틱 믹서(static mixer)(200)에 의해 교반하여 상기 유화수 내의 계면활성제가 기포화되도록 하는 유화수 사전 교반단계;를 더 포함하는 것이 바람직하다.Before the mixing step, it is preferable to further include a pre-stirring step of emulsified water by stirring the emulsified water by a static mixer 200 so that the surfactant in the emulsified water is bubbled.

상기 혼합단계는, 상호 접촉면이 톱니 구조로 형성된 로터(110) 및 스테이터(120)를 구비한 상기 분쇄믹서(100)에 의해 분쇄하면서 혼합하는 것이 바람직하다.In the mixing step, it is preferable to mix while pulverizing by the grinding mixer 100 having a rotor 110 and a stator 120 having a sawtooth structure.

상기 냉각단계는, 상기 혼합단계에서 제조된 상기 유화 아스팔트 조성물이 이송되는 과정에서, 외관(310)에 냉각수(a)가 흐르고, 내관(320)에 상기 유화 아스팔트 조성물이 흐르도록 하는 이중배관(300)에 의해 냉각되도록 하는 1차 냉각단계; 상기 냉각기에 이송되어 냉각되도록 하는 2차 냉각단계;를 포함하는 것이 바람직하다.In the cooling step, in the process of transporting the emulsified asphalt composition prepared in the mixing step, the cooling water (a) flows through the outer pipe 310 and the emulsified asphalt composition flows through the inner pipe 320 (300). ) A first cooling step to be cooled by; It is preferable to include; a secondary cooling step to be transferred to the cooler to be cooled.

본 발명은 입자의 크기가 작아 설비의 노즐이 막힐 가능성이 낮고, 저장안정성이 높아 보관기간을 증대할 수 있도록 하는 유화 아스팔트 조성물 및 그 제조방법을 제시한다.The present invention proposes an emulsified asphalt composition and a method for producing the same, which have a low particle size, a low possibility of clogging of equipment nozzles, and high storage stability, enabling an increase in storage period.

도 1은 종래의 유화 아스팔트 조성물의 제조방법의 공정도.
도 2 이하는 본 발명의 실시예를 도시한 것으로서,
도 2는 유화 아스팔트 조성물의 제조방법의 공정도.
도 3은 스테이틱 믹서의 부분단면도.
도 4,5는 분쇄믹서의 구성도.
도 6은 이중배관의 구성도.
1 is a process chart of a conventional manufacturing method of an emulsified asphalt composition.
2 below shows an embodiment of the present invention,
Figure 2 is a process chart of a method for producing an emulsified asphalt composition.
3 is a partial sectional view of a static mixer;
4 and 5 are configuration diagrams of a grinding mixer.
6 is a configuration diagram of a double pipe.

이하, 첨부도면을 참조하여 본 발명의 실시예에 관하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2 이하에 도시된 바와 같이, 본 발명에 의한 유화 아스팔트 조성물은 기본적으로, 유화 아스팔트 고형분 40 ~ 70 중량%; 제4급암모늄(Quaternary ammonium), 아민(Amine), 톨유(Tall Oil), 하이드로제네이티드탈로우(Hydrogenated tallow), 테트라에틸렌펜타민(Tetraethylenepentamine) 중 어느 하나인 계면활성제 0.1 ~ 5 중량%; 하이드록시에틸 메틸셀룰로오스(Hydroxyethyl methylcellulose), 카르복싱틸 메테르, 나트륨 염 중 어느 하나인 안정재(안정화 및 분산화 재료) 0.1 ~ 0.3% 중량%; 물 29 ~ 55 중량%;를 포함하여 구성된다.
상기 유화 아스팔트 고형분은 유화 아스팔트 고형분 100 중량부를 기준으로, 유화 아스팔트 고형분의 아스팔트 입자의 크기가 1 ~ 2 um인 것 60 ~ 80 중량부, 3 ~ 40 um인 것 20 ~ 40 중량부로 구성된다.
이는 다음과 같은 효과가 있다.
As shown in FIG. 2 and below, the emulsified asphalt composition according to the present invention basically contains 40 to 70% by weight of emulsified asphalt solids; 0.1 to 5% by weight of a surfactant that is any one of quaternary ammonium, amine, tall oil, hydrogenated tallow, and tetraethylenepentamine; 0.1 to 0.3% by weight of a stabilizer (stabilizing and dispersing material) that is any one of hydroxyethyl methylcellulose, carboxyethyl methyl ether, and sodium salt; 29 to 55% by weight of water;
The emulsified asphalt solid content is composed of 60 to 80 parts by weight of an asphalt particle size of 1 to 2 um and 20 to 40 parts by weight of 3 to 40 um based on 100 parts by weight of the emulsified asphalt solid content.
This has the effect of:

삭제delete

첫째, 입자의 크기가 작아 현장 살포시 스프레이 설비에 막힐 확률이 적고, 특히 동시포설 피니셔(아스콘 및 유화 아스팔트 살포를 동시에 시공하는 설비) 적용시 노즐이 막힐 확률이 적어 사용하기 유리하고, 포설 시 별도의 가열 공정이 필요없어 상온 시공이 가능하다.First, the size of the particles is small, so the probability of clogging of the spray equipment during on-site spraying is low, and in particular, when applying the simultaneous laying finisher (equipment that simultaneously sprays asphalt and emulsified asphalt), the nozzle is less likely to be clogged, making it advantageous to use. It does not require a heating process, so it is possible to work at room temperature.

동시포설 장비 시공시 유화 아스팔트 스프레이가 막힐 경우 재살포가 불가능하기 때문에 스프레이의 상태가 매우 중요하다.When constructing simultaneous installation equipment, if the emulsified asphalt spray is clogged, it is impossible to re-spray, so the condition of the spray is very important.

둘째, 유화 아스팔트 내 아스팔트 입자의 크기가 작게 분산되어 있어, 저장안정성이 매우 뛰어나 일반적인 보관기간 3개월 보다 약 1.5배 긴 4.5개월 보관이 가능하다.Second, since the size of the asphalt particles in the emulsified asphalt is small and dispersed, the storage stability is very excellent, and it is possible to store 4.5 months, which is about 1.5 times longer than the general storage period of 3 months.

본 발명에 의한 유화 아스팔트 조성물의 제조방법은 다음과 같은 공정에 의해 이루어진다(도 2).The manufacturing method of the emulsified asphalt composition according to the present invention is made by the following process (FIG. 2).

1) 계면활성제, 안정재를 40 ~ 60℃의 물과 혼합하여 유화수를 제조한다.1) Prepare emulsified water by mixing surfactant and stabilizer with water at 40 ~ 60℃.

계면활성제는 아스팔트의 입자를 초미세 입자로 분산시키는 연화제의 역할을 하는데, 본 발명에 사용되는 계면활성제(Quaternary ammonium, Amine, Tall Oil, Hydrogenated tallow, Tetraethylenepentamine)는 아스팔트와 계면활성제 성분의 기본 물성 변화 없이 아스팔트의 표면장력을 감소시켜 물과의 혼합성능을 개선시킨다.Surfactant acts as a softener that disperses asphalt particles into ultra-fine particles. The surfactants used in the present invention (Quaternary ammonium, Amine, Tall Oil, Hydrogenated tallow, Tetraethylenepentamine) It reduces the surface tension of asphalt and improves mixing performance with water.

유화 아스팔트 입자의 크기를 작게 분산시킨다고 해도 적절한 안정재(안정화 및 분산화 재료)를 사용하여야 입자의 크기가 작게 오래 유지되며, 저장안정성능이 향상된다. Even if the size of the emulsified asphalt particles is dispersed small, the size of the particles is kept small for a long time and the storage stability performance is improved only when an appropriate stabilizer (stabilizing and dispersing material) is used.

본 발명에 사용되는 안정재(Hydroxyethyl methylcellulose, 카르복싱틸 메테르, 나트륨 염)는 친수성 및 소수성을 동시에 갖는 계면활성작용에 의해 재료의 분리를 억제하며, 물과의 수화 반응을 통해 고온의 물에서 겔화현상을 일으켜 안정성능을 향상시키는 역할을 한다.The stabilizer (Hydroxyethyl methylcellulose, carboxyethyl methyl cellulose, sodium salt) used in the present invention inhibits material separation by surface activity having both hydrophilic and hydrophobic properties, and gelates in high-temperature water through a hydration reaction with water. It plays a role in improving stability performance by causing a phenomenon.

2) 제조된 유화수를 스테이틱 믹서(static mixer)(200)에 의해 교반하여 유화수 내의 계면활성제가 기포화되도록 한다.2) The prepared emulsified water is stirred by a static mixer 200 to bubble the surfactant in the emulsified water.

즉, 제조된 유화수가 분쇄믹서(100)에 도착하기 전 배관에 설치된 스테이틱 믹서(static mixer)(200)에 의해 유화수를 교반시켜 유화수 내 계면활성제를 기포화하여 유화수와 아스팔트의 혼합시 아스팔트 입자가 곱게 분산되도록 하였다(도 3).That is, before the prepared emulsified water arrives at the grinding mixer 100, the emulsified water is stirred by a static mixer 200 installed in the pipe to bubble the surfactant in the emulsified water, and the emulsified water and asphalt are mixed. Asphalt particles were finely dispersed (FIG. 3).

3) 유화 아스팔트 고형분을 150 ~ 165℃로 가열하고, 유화수, 가열된 유화 아스팔트 고형분을 분쇄믹서(100)에 의해 혼합 및 분쇄하여 유화 아스팔트 조성물을 제조한다.3) The emulsified asphalt solid content is heated to 150 to 165° C., and the emulsified water and the heated emulsified asphalt solid content are mixed and pulverized by the grinding mixer 100 to prepare an emulsified asphalt composition.

분쇄믹서(100)는 상호 접촉면이 톱니 구조로 형성된 로터(rotor)(110) 및 스테이터(stator)(120)를 구비하는데, 이는 유화수, 유화 아스팔트 고형분을 분쇄하면서 혼합하는 역할과, 유화수, 유화 아스팔트 고형분의 혼합 면적 및 횟수를 증대하는 역할을 하므로, 입자의 크기 1 ~ 2 um인 것 60 ~ 80 중량%, 3 ~ 40 um인 것 20 ~ 40 중량%를 포함하는 초미세입자 유화 아스팔트가 제조되도록 한다(도 4,5).The grinding mixer 100 includes a rotor 110 and a stator 120 having mutual contact surfaces formed in a sawtooth structure, which play a role of mixing emulsified water and emulsified asphalt solids while grinding, emulsified water, Since it serves to increase the mixing area and frequency of emulsified asphalt solids, ultra-fine emulsified asphalt particles containing 60 to 80% by weight of particles with a particle size of 1 to 2 um and 20 to 40% by weight with particles of 3 to 40 um are prepared (Figs. 4 and 5).

4) 유화 아스팔트 조성물을 냉각한다.4) The emulsified asphalt composition is cooled.

위 혼합공정에서, 물의 온도는 45 ~ 60℃이고, 유화 아스팔트 고형분의 온도는 150 ~ 165℃이므로, 이들의 혼합물인 유화 아스팔트 조성물의 온도는 약 75 ~ 105℃로서 상당히 높다. In the above mixing process, since the temperature of the water is 45 to 60 ° C and the temperature of the emulsified asphalt solids is 150 to 165 ° C, the temperature of the emulsified asphalt composition, which is a mixture thereof, is quite high at about 75 to 105 ° C.

이와 같이 유화 아스팔트 조성물의 온도가 높으면, 물이 증발하면서 계면 작용을 파괴하여 아스팔트와 물을 분리시키므로, 제조 직후 조성물의 온도를 낮춰 안정화시키는 것이 매우 중요하다. As such, when the temperature of the emulsified asphalt composition is high, water evaporates and destroys the interface action to separate the asphalt and water, so it is very important to stabilize the composition by lowering the temperature immediately after preparation.

본 발명에서 냉각단계는, 위 혼합단계에서 제조된 유화 아스팔트 조성물이 이송되는 과정에서, 외관(310)에 냉각수(a)가 흐르고, 내관(320)에 유화 아스팔트 조성물(b)이 흐르도록 하는 이중배관(300)에 의해 냉각되도록 하는 1차 냉각단계(도 6); 냉각기에 이송되어 냉각되도록 하는 2차 냉각단계;에 의해 이루어지므로, 재료의 분리가 방지되어 유화 아스팔트 조성물의 안정성이 향상된다.In the present invention, in the cooling step, in the process of transporting the emulsified asphalt composition prepared in the above mixing step, the cooling water (a) flows through the outer pipe 310 and the emulsified asphalt composition (b) flows through the inner pipe 320. A first cooling step to be cooled by the pipe 300 (FIG. 6); Secondary cooling step in which it is transferred to a cooler to be cooled; therefore, the separation of materials is prevented and the stability of the emulsified asphalt composition is improved.

이하, 본 발명에 의한 유화 아스팔트 조성물의 물성을 입증하기 위한 실험내용 및 결과에 관하여 설명한다.Hereinafter, experimental contents and results for proving the physical properties of the emulsified asphalt composition according to the present invention will be described.

본 발명의 실시예에 의한 유화 아스팔트 조성물은, 유화 아스팔트 고형분 50 중량%; Quaternary ammonium(계면활성제) 3 중량%; Hydroxyethyl methylcellulose(안정재) 0.2 중량%; 물 46.8 중량%;를 상술한 제조방법에 의해 가열, 혼합, 분쇄, 냉각하여 제조한 것이다.The emulsified asphalt composition according to an embodiment of the present invention includes 50% by weight of emulsified asphalt solids; Quaternary ammonium (surfactant) 3% by weight; Hydroxyethyl methylcellulose (stabilizer) 0.2% by weight; 46.8% by weight of water; prepared by heating, mixing, pulverizing, and cooling by the above-described manufacturing method.

비교예는 KS 규격 제품인 유화 아스팔트 조성물 RS(C)-3, RS(C)-4에 관한 것이다.Comparative examples relate to emulsified asphalt compositions RS(C)-3 and RS(C)-4, which are KS standard products.

Figure 112020059678179-pat00001
Figure 112020059678179-pat00001

표 1은 입자 크기를 측정한 결과로서, 비교예는 일반적인 유화 아스팔트의 입자 크기(1 ~ 2 um인 것 30 ~ 35 중량%, 3 ~ 40 um인 것 65 ~ 70 중량%)에 해당함에 비해, 본 발명의 실시예는 작은 입자 크기(1 ~ 2 um인 것 30 중량%, 3 ~ 40 um인 것 70 중량%)를 갖는 것으로 나타났다.Table 1 is the result of measuring the particle size, and the comparative example corresponds to the particle size of general emulsified asphalt (30 to 35% by weight of 1 to 2 um, 65 to 70% by weight of 3 to 40 um), Examples of the present invention were found to have a small particle size (30% by weight of 1-2 um, 70% by weight of 3-40 um).

Figure 112020059678179-pat00002
Figure 112020059678179-pat00002

표 2는 유화 아스팔트 조성물 내의 찌꺼기 존재를 시험하는 체잔류분 시험결과에 관한 것으로서, 본 발명의 실시예는 찌꺼기가 없음을 의미하는 값(0)으로 나타났다.Table 2 relates to the sieve residue test results for testing the presence of residue in the emulsified asphalt composition, and the examples of the present invention showed a value (0) indicating no residue.

Figure 112020059678179-pat00003
Figure 112020059678179-pat00003

표 3은 10일 경과 후 저장안정도의 시험결과에 관한 것으로서, 본 발명의 실시예는 비교예에 비해 안정성능이 우수하여 재료 분리의 발생이 억제됨을 확인할 수 있었다.Table 3 relates to the test results of storage stability after 10 days, and it was confirmed that the examples of the present invention had excellent stability compared to the comparative examples, suppressing the occurrence of material separation.

이상은 본 발명에 의해 구현될 수 있는 바람직한 실시예의 일부에 관하여 설명한 것에 불과하므로, 주지된 바와 같이 본 발명의 범위는 위의 실시예에 한정되어 해석되어서는 안 될 것이며, 위에서 설명된 본 발명의 기술적 사상과 그 근본을 함께 하는 기술적 사상은 모두 본 발명의 범위에 포함된다고 할 것이다.Since the above has only been described with respect to some of the preferred embodiments that can be implemented by the present invention, as noted, the scope of the present invention should not be construed as being limited to the above embodiments, and the scope of the present invention described above It will be said that the technical idea and the technical idea together with the root are all included in the scope of the present invention.

100 : 분쇄믹서 110 : 로터
120 : 스테이터 200 : 스테이틱 믹서
300 : 이중배관 310 : 외관
320 : 내관
100: grinding mixer 110: rotor
120: stator 200: static mixer
300: double piping 310: exterior
320: inner tube

Claims (5)

유화 아스팔트 고형분 40 ~ 70 중량%;
제4급암모늄(Quaternary ammonium), 아민(Amine), 톨유(Tall Oil), 하이드로제네이티드탈로우(Hydrogenated tallow), 테트라에틸렌펜타민(Tetraethylenepentamine) 중 어느 하나인 계면활성제 0.1 ~ 5 중량%;
하이드록시에틸 메틸셀룰로오스(Hydroxyethyl methylcellulose), 카르복싱틸 메테르, 나트륨 염 중 어느 하나인 안정재 0.1 ~ 0.3% 중량%;
물 29 ~ 55 중량%;를 포함하고,
상기 유화 아스팔트 고형분은 전체 100 중량부를 기준으로, 상기 유화 아스팔트 고형분 내 아스팔트 입자의 크기가 1 ~ 2 um인 것 60 ~ 80 중량부, 3 ~ 40 um인 것 20 ~ 40 중량부를 포함하고,
상기 계면활성제, 안정재를 40 ~ 60℃의 상기 물과 혼합하여 유화수를 제조하는 유화수 제조단계;
상기 유화 아스팔트 고형분을 150 ~ 165℃로 가열하는 아스팔트 가열단계;
상호 접촉면이 톱니 구조로 형성된 로터(110) 및 스테이터(120)를 구비한 분쇄믹서(100)에 의해, 상기 유화수, 유화 아스팔트 고형분을 분쇄하면서 혼합하여 유화 아스팔트 조성물을 제조하는 혼합단계;
상기 유화 아스팔트 조성물을 냉각하는 냉각단계;를 포함하는 제조방법에 의해 제조되는 것을 특징으로 하는 유화 아스팔트 조성물.
40 to 70% by weight of emulsified asphalt solids;
0.1 to 5% by weight of a surfactant that is any one of quaternary ammonium, amine, tall oil, hydrogenated tallow, and tetraethylenepentamine;
0.1 to 0.3% by weight of a stabilizer that is any one of hydroxyethyl methylcellulose, carboxyethyl methyl, and sodium salt;
29 to 55% by weight of water;
The emulsified asphalt solids include 60 to 80 parts by weight of 1 to 2 um and 20 to 40 parts by weight of 3 to 40 um in the size of the asphalt particles in the emulsified asphalt solids, based on 100 parts by weight of the total,
Emulsified water preparation step of preparing emulsified water by mixing the surfactant and the stabilizer with the water at 40 to 60 ° C;
Asphalt heating step of heating the emulsified asphalt solids to 150 ~ 165 ℃;
A mixing step of preparing an emulsified asphalt composition by pulverizing and mixing the emulsified water and emulsified asphalt solids by a grinding mixer 100 having a rotor 110 having a sawtooth structure and a stator 120;
An emulsified asphalt composition characterized in that it is prepared by a manufacturing method comprising a; cooling step of cooling the emulsified asphalt composition.
삭제delete 제1항에 있어서,
상기 혼합단계 이전,
상기 유화수를 스테이틱 믹서(static mixer)(200)에 의해 교반하여 상기 유화수 내의 계면활성제가 기포화되도록 하는 유화수 사전 교반단계;를
더 포함하는 것을 특징으로 하는 유화 아스팔트 조성물.
According to claim 1,
Before the mixing step,
The emulsified water pre-stirring step of stirring the emulsified water by a static mixer 200 to bubble the surfactant in the emulsified water;
Emulsified asphalt composition, characterized in that it further comprises.
삭제delete 제1항에 있어서,
상기 냉각단계는,
상기 혼합단계에서 제조된 상기 유화 아스팔트 조성물이 이송되는 과정에서, 외관(310)에 냉각수(a)가 흐르고, 내관(320)에 상기 유화 아스팔트 조성물이 흐르도록 하는 이중배관(300)에 의해 냉각되도록 하는 1차 냉각단계;
냉각기에 이송되어 냉각되도록 하는 2차 냉각단계;를
포함하는 것을 특징으로 하는 유화 아스팔트 조성물.
According to claim 1,
In the cooling step,
In the process of transporting the emulsified asphalt composition prepared in the mixing step, cooling water (a) flows through the outer pipe 310 and the emulsified asphalt composition flows into the inner pipe 320 so that it is cooled by the double pipe 300. A first cooling step to do;
A secondary cooling step to be transferred to a cooler to be cooled;
Emulsified asphalt composition, characterized in that it comprises.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822427A (en) 1986-10-31 1989-04-18 Chevron Research Company Open-grade asphalt emulsion mixes
JP2001512775A (en) 1997-08-11 2001-08-28 エッソ ソシエテ アノニム フランセ−ズ Emulsified bituminous binder
JP2019044367A (en) 2017-08-30 2019-03-22 世紀東急工業株式会社 Apparatus for producing recycled heated asphalt mixture and method for producing recycled heated asphalt mixture

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KR20040101844A (en) * 2003-05-27 2004-12-03 지앤비엔지니어링 주식회사 The Composition And Manufacture Method Of Anion/Nonion Asphalt Emulsion For Recycling Of Waste Asphalt Concrete
KR20170140210A (en) * 2015-04-23 2017-12-20 콜라스 Modified Bituminous Binder Emulsion
KR20170024825A (en) * 2015-08-26 2017-03-08 롯데케미칼 주식회사 De-emulsification process of oil-in-water type emulsion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822427A (en) 1986-10-31 1989-04-18 Chevron Research Company Open-grade asphalt emulsion mixes
JP2001512775A (en) 1997-08-11 2001-08-28 エッソ ソシエテ アノニム フランセ−ズ Emulsified bituminous binder
JP2019044367A (en) 2017-08-30 2019-03-22 世紀東急工業株式会社 Apparatus for producing recycled heated asphalt mixture and method for producing recycled heated asphalt mixture

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