TWI782091B - adhesive composition - Google Patents

adhesive composition Download PDF

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TWI782091B
TWI782091B TW107132894A TW107132894A TWI782091B TW I782091 B TWI782091 B TW I782091B TW 107132894 A TW107132894 A TW 107132894A TW 107132894 A TW107132894 A TW 107132894A TW I782091 B TWI782091 B TW I782091B
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asphalt
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lubricating base
base oil
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TW201927909A (en
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瀬尾彰
佐野昌洋
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日商出光興產股份有限公司
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/20—Binder incorporated in cold state, e.g. natural asphalt
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/24—Binder incorporated as an emulsion or solution

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  • Civil Engineering (AREA)
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  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Working-Up Tar And Pitch (AREA)

Abstract

本發明之課題為提供一種於低溫時亦抑制作業性降低的黏合劑組成物。 　　其解決手段的特徵在於包含溶劑萃取油：73.0重量%以下、潤滑油基油：27.0重量%以上，及瀝青；上述瀝青的含量Y與上述潤滑油基油的含量X之關係滿足1.25×X-32≦Y≦1.25×X-25.375以及Y≦-13.3×X+437.06，並且0℃下的0.1 rad/秒之複數彈性模數係10.0 Pa以下。The object of the present invention is to provide an adhesive composition that suppresses a reduction in workability even at low temperatures. The solution is characterized by including solvent extraction oil: 73.0% by weight or less, lubricating base oil: 27.0% by weight or more, and asphalt; the relationship between the content Y of the above-mentioned asphalt and the content X of the above-mentioned lubricating base oil satisfies 1.25×X- 32≦Y≦1.25×X-25.375 and Y≦-13.3×X+437.06, and the complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less.

Description

黏合劑組成物Adhesive composition

本發明係關於一種黏合劑組成物，其係用於瀝青鋪裝的再利用，且特別是如冬期或寒冷地區般的低溫時亦具有良好的流動性。 The present invention relates to an adhesive composition, which is used for reuse of asphalt pavement, and has good fluidity especially at low temperatures such as winter or cold regions.

以往，於瀝青鋪裝的再利用(recycle)中，使用瀝青再生用的添加劑。作為其理由，列舉如供使用後的瀝青鋪裝中存在之劣化的瀝青之性狀回復。已知由於瀝青劣化，而瀝青中的芳香族份減少(遠西智次，「關於改質瀝青的物理科學的特性之研究」，財團法人土木研究中心平成6年度部外研究員報告書概要版，平成7年6月，p.167-170、立石大作，「關於改質瀝青的物理科學的特性之研究」，財團法人土木研究中心平成6年度部外研究員報告書概要版，平成8年6月，p.229-232)。因此，為了填補芳香族份，而有添加萃取物等之高芳香族系礦物油等。 Conventionally, additives for recycling asphalt have been used for recycling asphalt pavement. As the reason, recovery of properties of deteriorated asphalt present in asphalt pavement after use is cited. It is known that the aromatic components in asphalt decrease due to the deterioration of asphalt (Tomoji Ennishi, "Study on the Physical Science Characteristics of Modified Asphalt", Summary Version of the Report of External Researcher of the Civil Engineering Research Center, Heisei 6, June, 2017, p.167-170, Daisaku Tateishi, "Research on the Physical Science Characteristics of Modified Asphalt", Summary Version of the Report of External Researcher of the Civil Engineering Research Center, 2018, June 2018 , p.229-232). Therefore, in order to supplement the aromatic content, there are highly aromatic mineral oils with extracts and the like added.

然而，含有許多芳香族份之添加劑呈現出高黏度。因此，存在有添加劑的流動性缺乏，作業性降低的問題點。又，降低添加劑的黏度時，閃點或密度有下降的傾向，因此於安全性或與劣化的瀝青之混合性產生問題。 However, additives containing many aromatic components exhibit high viscosity. Therefore, there is a problem that the fluidity of the additive is insufficient, and the workability is lowered. Also, when the viscosity of the additive is lowered, the flash point or the density tends to decrease, which causes problems in terms of safety or compatibility with deteriorated asphalt.

於此，專利文獻1提案有不減少芳香族含量，且使常溫下之流動性提高之瀝青黏合劑(黏合劑組成物)。專利文獻1中揭示一瀝青黏合劑，其係將25℃下的0.1rad/秒之複數彈性模數設為10.00Pa以下，藉此於常溫下的流動性優異，且與以往的添加劑相比可使作業性較為良好。 Here, Patent Document 1 proposes an asphalt binder (binder composition) that improves fluidity at room temperature without reducing the aromatic content. Patent Document 1 discloses an asphalt binder, which sets the complex elastic modulus of 0.1 rad/s at 25°C to 10.00 Pa or less, so that it has excellent fluidity at room temperature and can be compared with conventional additives. Make workability better.

[先前技術文獻] [Prior Art Literature] [專利文獻] [Patent Document]

[專利文獻1]日本特開2008-56742號公報 [Patent Document 1] Japanese Unexamined Patent Publication No. 2008-56742

然而，專利文獻1揭示的瀝青黏合劑，使用於冬期或寒冷地區般的低溫時(例如0℃)之情況下，伴隨著增黏而流動性缺乏。因此，產生於低溫時作業性降低的問題。 However, when the bituminous binder disclosed in Patent Document 1 is used in winter or at a low temperature (for example, 0° C.) such as in a cold region, the viscosity increases and the fluidity is poor. Therefore, there arises the problem that workability falls at low temperature.

所以，本發明係有鑑於上述的問題點而研究出者，作為其目的係提供於冬期等之低溫時亦抑制作業性降低的黏合劑組成物。 Therefore, the present invention was made in view of the above-mentioned problems, and an object of the present invention is to provide an adhesive composition that suppresses a decrease in workability even at low temperatures such as winter.

為了解決上述之課題，黏合劑組成物[1]的 特徵為包含溶劑萃取油：未達73.0重量%、潤滑油基油：27.0重量%以上，及瀝青；上述瀝青的含量Y與上述潤滑油基油的含量X之關係滿足1.25×X-32≦Y≦1.25×X-25.375以及Y≦-13.3×X+437.06，並且0℃下的0.1rad/秒之複數彈性模數係10.0Pa以下。 In order to solve the above problems, the adhesive composition [1] It is characterized by containing solvent-extracted oil: less than 73.0% by weight, lubricating base oil: more than 27.0% by weight, and asphalt; the relationship between the content Y of the above-mentioned asphalt and the content X of the above-mentioned lubricating base oil satisfies 1.25×X-32≦Y ≦1.25×X-25.375 and Y≦-13.3×X+437.06, and the complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less.

黏合劑組成物[2]，於[1]的發明中，上述瀝青係溶劑脫瀝青之瀝青及直餾瀝青之至少任一者。 The binder composition [2] in the invention of [1] is at least any one of the bitumen-based solvent deasphalted bitumen and straight-run bitumen.

黏合劑組成物[3]，於[1]或[2]的發明中，上述潤滑油基油的動態黏度係40℃下為80.0mm2/秒以上且110.0mm2/秒以下，以及100℃下為9.0mm2/秒以上且13.0mm2/秒以下。 Adhesive composition [3] in the invention of [1] or [2], wherein the dynamic viscosity system of the lubricating base oil at 40°C is not less than 80.0 mm 2 /sec and not more than 110.0 mm 2 /sec, and at 100°C The lower limit is not less than 9.0 mm 2 /sec and not more than 13.0 mm 2 /sec.

適用由上述構成所成之本發明的黏合劑組成物為0℃下的0.1rad/秒之複數彈性模數係10.0Pa以下。因此，於如冬期或寒冷地區等之低溫時亦流動性優異。據此，於低溫時仍可抑制作業性降低。 The complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less for the adhesive composition of the present invention having the above constitution. Therefore, it has excellent fluidity even at low temperatures such as winter or cold regions. Accordingly, it is possible to suppress reduction in workability even at low temperatures.

又，適用本發明的黏合劑組成物含有許多溶劑萃取油且含有許多芳香族份。因此，可填補劣化的瀝青之芳香族份。據此，可得到與新瀝青鋪裝具有同等特性的再生瀝青鋪裝。 Also, the adhesive composition to which the present invention is applied contains many solvent-extracted oils and many aromatic components. Therefore, the aromatic portion of the deteriorated bitumen can be filled. Accordingly, recycled asphalt pavement having characteristics equivalent to new asphalt pavement can be obtained.

又，適用由上述構成所成之本發明的黏合劑組成物係閃點為260℃以上，可確保作業時的安全性。 In addition, the flash point of the adhesive composition of the present invention having the above-mentioned constitution is 260°C or higher, ensuring safety during operation.

以下，對於適用本發明的黏合劑組成物之實施形態進行詳細地說明。 Hereinafter, embodiments of the adhesive composition to which the present invention is applied will be described in detail.

本發明者對於使用作為瀝青再生用之軟化劑、橡膠增量油(extender oil)及橡膠調配油等之黏合劑組成物，為了於低溫時亦具有良好的流動性，且抑制作業性降低，而努力進行實驗研究。其結果，於此使用狀況下，特別是開始流動時，由極和緩的力(若是從保存容器之流出即重力，若是泵所致之移送即壓力)作用於黏合劑組成物，測定0℃下0.1rad/秒(0.0159Hz)之和緩頻率下的複數彈性模數，其值若是10.0Pa以下，即是發現得到該等之作業中所要求的流動性。進而，發現添加潤滑油基油及瀝青至以往作為瀝青用添加劑所使用之溶劑萃取油中，0℃下的0.1rad/秒之複數彈性模數成為10.0Pa以下，而完成本發明。 The inventors of the present invention have used a binder composition such as a softener for asphalt regeneration, rubber extender oil, and rubber compounding oil, in order to have good fluidity even at low temperatures and to suppress a decrease in workability. Strive for experimental research. As a result, under this use condition, especially at the beginning of flow, an extremely gentle force (gravity if it flows out from the storage container, or pressure if it is transferred by a pump) acts on the adhesive composition. Measured at 0°C If the complex modulus of elasticity at a moderate frequency of 0.1rad/second (0.0159Hz) is below 10.0Pa, it means that the fluidity required for such operations has been obtained. Furthermore, they found that adding lubricating base oil and pitch to solvent-extracted oil conventionally used as an additive for pitch reduces the complex modulus of elasticity at 0.1 rad/sec to 10.0 Pa or less at 0°C, and completed the present invention.

亦即，適用本發明的黏合劑組成物含有溶劑萃取油：未達73.0重量%、潤滑油基油：27.0重量%以上，及瀝青。又，瀝青的含量Y與潤滑油基油的含量X之關係滿足1.25×X-32≦Y≦1.25×X-25.375以及Y≦-13.3×X+ 437.06。且，0℃下的0.1 rad/秒之複數彈性模數係10.0 Pa以下。That is, the adhesive composition to which the present invention is applied contains solvent-extracted oil: less than 73.0% by weight, lubricating base oil: 27.0% by weight or more, and asphalt. Also, the relationship between the bitumen content Y and the lubricating base oil content X satisfies 1.25×X-32≦Y≦1.25×X-25.375 and Y≦-13.3×X+437.06. Also, the complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less.

以下，對於適用本發明的黏合劑組成物中的數值限定理由進行說明。Hereinafter, the reasons for limiting numerical values in the adhesive composition to which the present invention is applied will be described.

＜溶劑萃取油：未達73.0重量%＞ 　　溶劑萃取油含有許多芳香族份，主要是為了填補劣化的瀝青之芳香族份而添加，且係作為軟化劑作用之成分。溶劑萃取油係從原油製造潤滑油時之溶劑萃取過程中所生成之萃取油，係芳香族份及環烷烴份豐富之油狀物質(參照「到石油製品完成為止」，圖6-1“一般之潤滑油製造步驟”，石油聯盟發行，昭和46年11月，p.99以及「新石油辭典」，石油學會編，1982年，p.304)。溶劑萃取油的含量為73.0重量%以下，使用作為適用本發明的黏合劑組成物之基材。因此，適用本發明的黏合劑組成物可含有許多芳香族份。<Solvent-extracted oil: less than 73.0% by weight> Solvent-extracted oil contains many aromatic components, and is mainly added to fill up the aromatic components of deteriorated asphalt, and is a component that functions as a softener. Solvent extraction oil is the extracted oil produced during the solvent extraction process when lubricating oil is manufactured from crude oil. It is an oily substance rich in aromatic and naphthenic components (see "Until the completion of petroleum products", Figure 6-1 "general Manufacturing steps of lubricating oil", published by the Petroleum Union, November 1982, p.99 and "New Petroleum Dictionary", edited by the Petroleum Society, 1982, p.304). The content of the solvent extraction oil is 73.0% by weight or less, and it is used as a base material of the adhesive composition to which the present invention is applied. Therefore, the adhesive composition suitable for the present invention may contain many aromatic components.

溶劑萃取油的含量為73.0重量%以上的情況下，黏合劑組成物的複數彈性模數變高。因此，低溫時的黏合劑組成物之流動性缺乏，作業性降低。故，將溶劑萃取油的含量設為未達73.0重量%。再者，期望溶劑萃取油係60℃下的動態黏度為400.0~600.0 mm2 /秒及15℃下的密度為0.960~0.990 g/cm3 之至少任一者，且更期望15℃下的密度為0.970~0.980 g/cm3 。When content of solvent extraction oil is 73.0 weight% or more, the complex elastic modulus of an adhesive composition becomes high. Therefore, the fluidity of the adhesive composition at low temperature is poor, and workability is reduced. Therefore, the content of the solvent-extracted oil was made less than 73.0% by weight. Furthermore, it is desirable that the dynamic viscosity of the solvent extraction oil system at 60°C is at least one of 400.0-600.0 mm 2 /sec and the density at 15°C is 0.960-0.990 g/cm 3 , and the density at 15°C is more desirable. It is 0.970~0.980 g/cm 3 .

＜潤滑油基油：27.0重量%以上＞ 　　潤滑油基油主要是為了使溶劑萃取油的動態黏度下降而添加。作為潤滑油基油的生成方法，例如使用下述方法，該方法係使用丙烷脫瀝青法(propane deasphalting)從減壓蒸餾殘油萃取脫瀝青油，使用溶劑萃取法從脫瀝青油萃取純化油，使用溶劑脫蠟法(solvent dewaxing)從純化油萃取脫蠟油，使用氫化純化法從脫蠟油生成潤滑油基油。潤滑油基油的含量係27.0重量%以上。因此，適用本發明的黏合劑組成物可使溶劑萃取油的動態黏度充分地下降，且可保持0℃下的0.1 rad/秒之複數彈性模數為10.0 Pa以下。<Lubricating base oil: 27.0% by weight or more> The lubricating base oil is mainly added to reduce the dynamic viscosity of the solvent-extracted oil. As a method for producing lubricating base oil, for example, a method of extracting deasphalted oil from vacuum distillation residue by propane deasphalting and extracting purified oil from deasphalted oil by solvent extraction, Dewaxed oils are extracted from purified oils using solvent dewaxing, and lube base oils are produced from dewaxed oils using hydrogenation purification. The content of the lubricating base oil is 27.0% by weight or more. Therefore, applying the adhesive composition of the present invention can sufficiently reduce the dynamic viscosity of the solvent-extracted oil, and can keep the complex elastic modulus of 0.1 rad/sec at 0°C below 10.0 Pa.

潤滑油基油的含量為未達27.0重量%的情況下，無法使溶劑萃取油的動態黏度充分地下降，黏合劑組成物的複數彈性模數變高。因此，低溫時的黏合劑組成物之流動性缺乏，作業性降低。故，將潤滑油基油的含量設為27.0重量%以上。再者，潤滑油基油期望為動態黏度係40℃下為80.0 mm2 /秒以上且110 mm2 /秒以下、及100℃下為9.0 mm2 /秒以上且13.0 mm2 /秒以下，15℃下的密度為0.870~0.890 g/cm3 ，以及閃點為230℃以上之至少任一者。When the content of the lubricating base oil is less than 27.0% by weight, the dynamic viscosity of the solvent extraction oil cannot be sufficiently reduced, and the complex modulus of the adhesive composition becomes high. Therefore, the fluidity of the adhesive composition at low temperature is poor, and workability is reduced. Therefore, the content of the lubricating base oil is made 27.0% by weight or more. Furthermore, it is desirable that the lubricating base oil has a dynamic viscosity system of 80.0 mm 2 /sec to 110 mm 2 /sec at 40°C, and 9.0 mm 2 /sec to 13.0 mm 2 /sec at 100°C, and 15 At least one of a density at °C of 0.870 to 0.890 g/cm 3 and a flash point of 230°C or higher.

＜瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≦1.25×X-25.375＞ 　　瀝青主要是為了使溶劑萃取油與潤滑油基油的混合物之流動性提升而添加。作為瀝青，例如使用直餾瀝青(參照JIS K 2207)、吹製瀝青(參照JIS K 2207)、半吹製瀝青(參照「瀝青鋪裝綱要」，社團法人日本道路協會發行，平成9年1月13日，p.51，表-3.3.4)、溶劑脫瀝青之瀝青(參照「新石油辭典」，石油學會編，1982年，p.308)等的瀝青或該些的混合物。藉由瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≦1.25×X-25.375，可保持適用本發明的黏合劑組成物之0℃下的0.1 rad/秒之複數彈性模數為10.0 Pa以下。<The relationship between the content Y of asphalt and the content X of lubricating base oil satisfies Y≦1.25×X-25.375> Asphalt is mainly added to improve the fluidity of the mixture of solvent extraction oil and lubricating base oil. As the asphalt, for example, straight asphalt (refer to JIS K 2207), blown asphalt (refer to JIS K 2207), semi-blown asphalt (refer to "Asphalt Pavement Guidelines", published by Japan Road Association, January 2019) are used. 13th, p.51, Table-3.3.4), solvent deasphalted asphalt (refer to "New Petroleum Dictionary", edited by Petroleum Society, 1982, p.308), etc., or a mixture of these. By satisfying the relationship between the content Y of asphalt and the content X of lubricating base oil Y≦1.25×X-25.375, the complex modulus of elasticity of 0.1 rad/second at 0°C for the adhesive composition of the present invention can be maintained as Below 10.0 Pa.

瀝青的含量Y與潤滑油基油的含量X之關係為Y＞1.25×X-25.375的情況下，由於黏合劑組成物內所佔有之瀝青的含量過多，而阻礙溶劑萃取油與潤滑油基油的混合物中之流動性的提升。因此，顯示黏合劑組成物的混和不均變大的傾向。據此，黏合劑組成物的複數彈性模數變高的可能性升高，流動性缺乏，且作業性降低。故，為了得到安定之黏合劑組成物的特性，將瀝青的含量Y與潤滑油基油的含量X之關係設為滿足Y≦1.25×X-25.375。The relationship between the content Y of asphalt and the content X of lubricating base oil is Y>1.25×X-25.375, because the content of asphalt in the binder composition is too much, it hinders the solvent extraction of oil and lubricating base oil. Improvement of fluidity in the mixture. Therefore, there is a tendency for the uneven mixing of the adhesive composition to become large. Accordingly, the possibility that the complex elastic modulus of the adhesive composition becomes high increases, fluidity becomes poor, and workability decreases. Therefore, in order to obtain the characteristics of a stable adhesive composition, the relationship between the content Y of the bitumen and the content X of the lubricating base oil is set to satisfy Y≦1.25×X-25.375.

再者，適用本發明的黏合劑組成物中，期望使用溶劑脫瀝青之瀝青及直餾瀝青的至少任一者。直餾瀝青係表示將常壓蒸餾殘渣油進行減壓蒸餾而得到之瀝青。溶劑脫瀝青之瀝青係與其他的瀝青比較起來密度較高，因此可使黏合劑組成物的密度提升。又，溶劑脫瀝青之瀝青係與其他的瀝青比較起來芳香族份較多。因此，可填補劣化的瀝青之芳香族份。再者，溶劑脫瀝青之瀝青係期望針入度為3~20(0.1 mm)、軟化點為56.0~70.0℃及15℃下的密度為1.060~1.070 g/cm3 的至少任一者。Furthermore, in the adhesive composition to which the present invention is applied, it is desirable to use at least any one of solvent-deasphalted asphalt and straight-run asphalt. Straight-run pitch refers to pitch obtained by vacuum distillation of atmospheric distillation residual oil. Compared with other asphalts, solvent deasphalted asphalt has a higher density, so the density of the binder composition can be increased. Also, solvent deasphalted asphalt has more aromatic content than other asphalts. Therefore, the aromatic portion of the deteriorated bitumen can be filled. Furthermore, solvent deasphalted asphalt is desired to have a penetration of 3-20 (0.1 mm), a softening point of 56.0-70.0°C, and a density of 1.060-1.070 g/cm 3 at 15°C.

＜瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≧1.25×X-32＞ 　　適用本發明的黏合劑組成物係瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≧1.25×X-32。因此，可保持適用本發明的黏合劑組成物之15℃下的密度為0.950 g/cm3 以上。<The relationship between the content Y of the bitumen and the content X of the lubricating base oil satisfies Y≧1.25×X-32> The relationship between the content Y of the bitumen and the content X of the lubricating base oil of the adhesive composition of the present invention satisfies Y≧ 1.25×X-32. Therefore, the density at 15° C. of the adhesive composition to which the present invention is applied can be maintained at 0.950 g/cm 3 or more.

瀝青的含量Y與潤滑油基油的含量X之關係為Y＜1.25×X-32的情況下，瀝青的含量相對於潤滑油基油的含量之比例變小。因此，瀝青組成物的密度下降。據此，於與劣化的瀝青之混合性產生問題。故，將黏合劑組成物中之瀝青的含量Y與潤滑油基油的含量X之關係設為滿足Y≧1.25×X-32。The relationship between the bitumen content Y and the lubricating base oil content X is Y<1.25×X-32, the ratio of the bitumen content to the lubricating base oil content becomes small. Therefore, the density of the pitch composition decreases. Accordingly, a problem arises in miscibility with deteriorated asphalt. Therefore, the relationship between the bitumen content Y in the adhesive composition and the lubricating base oil content X is set to satisfy Y≧1.25×X-32.

＜瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≦-13.3×X+437.06＞ 　　適用本發明的黏合劑組成物係瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≦-13.3×X+437.06。因此，可保持適用本發明的黏合劑組成物之芳香族含有率為50.00%以上。<The relationship between the content Y of bitumen and the content X of lubricating base oil satisfies Y≦-13.3×X+437.06> The relationship between the content Y of bitumen and the content X of lubricating base oil of the adhesive composition of the present invention satisfies Y ≦-13.3×X+437.06. Therefore, the aromatic content of the adhesive composition to which the present invention is applied can be maintained at 50.00% or more.

瀝青的含量Y與潤滑油基油的含量X之關係為Y＞-13.3×X+437.06的情況下，溶劑萃取油的含量相對於潤滑油基油的含量及瀝青的含量之比例變小。因此，瀝青組成物中的芳香族份之含有率下降。據此，於與劣化的瀝青之混合性產生問題。故，將黏合劑組成物中之瀝青的含量Y與潤滑油基油的含量X之關係設為滿足Y≦-13.3×X+437.06。The relationship between the bitumen content Y and the lubricating base oil content X is Y>-13.3×X+437.06, the ratio of the solvent extraction oil content to the lubricating base oil content and the bitumen content becomes smaller. Therefore, the content of aromatic components in the pitch composition decreases. Accordingly, a problem arises in miscibility with deteriorated asphalt. Therefore, the relationship between the bitumen content Y in the adhesive composition and the lubricating base oil content X is set to satisfy Y≦-13.3×X+437.06.

基於上述，將瀝青的含量Y與上述潤滑油基油的含量X之關係設為滿足1.25×X-32≦Y≦1.25×X-25.375及Y≦-13.3×X+437.06。Based on the above, the relationship between the pitch content Y and the lubricating base oil content X is set to satisfy 1.25×X-32≦Y≦1.25×X-25.375 and Y≦-13.3×X+437.06.

＜0℃下的0.1 rad/秒之複數彈性模數為10.0 Pa以下＞ 　　如同前述，本發明中抑制作業性降低係將於0℃附近的低溫時之和緩的力進行作用之作業時作為目標。為了實施該作業，若0℃下的0.1 rad/秒之複數彈性模數超過10.0 Pa，於低溫中變得幾乎不會流動。因此，例如從保存容器流出及泵移送時的作業性下降。故，適用本發明的黏合劑組成物中，將0℃下的0.1 rad/秒之複數彈性模數設為10.0 Pa以下。<The complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less> As mentioned above, in the present invention, the aim is to suppress the decrease in workability when a gentle force acts at a low temperature around 0°C. In order to carry out this work, if the complex elastic modulus of 0.1 rad/sec at 0°C exceeds 10.0 Pa, it will hardly flow at low temperatures. Therefore, for example, workability at the time of outflow from a storage container and pump transfer is reduced. Therefore, in the adhesive composition to which the present invention is applied, the complex elastic modulus of 0.1 rad/sec at 0°C is set to be 10.0 Pa or less.

再者，複數彈性模數G* 係遵照鋪裝調查．試驗法手冊(社團法人日本道路協會編)所規定之動態剪切流變儀(DSR，Dynamic Shear Rheometer)的試驗方法進行測定。本試驗的測定原理係將黏合劑組成物夾於2片的平行圓盤(直徑為50 mm)間，對一方的圓盤施加規定的頻率之正弦波畸變(distortion)(畸變為10%)，介由黏合劑組成物(厚度為1 mm)而測定傳達至另一方的圓盤之正弦的應力σ，自正弦的應力與正弦波畸變求取複數彈性模數。並且，基於該測定結果，從下述數式(1)求取複數彈性模數G* 。此處，下述數式(1)中之γ係施加於平形圓盤的最大畸變。Furthermore, the complex elastic modulus G * is in accordance with the pavement survey. The test method of the dynamic shear rheometer (DSR, Dynamic Shear Rheometer) stipulated in the test method handbook (compiled by the Japan Road Association) was used for measurement. The measurement principle of this test is that the adhesive composition is sandwiched between two parallel disks (50 mm in diameter), and a sine wave distortion (distortion) of a specified frequency is applied to one of the disks (distortion is 10%). The sinusoidal stress σ transmitted to the other disc was measured through the adhesive composition (thickness 1 mm), and the complex elastic modulus was obtained from the sinusoidal stress and sinusoidal wave distortion. Then, based on the measurement results, the complex elastic modulus G * was calculated from the following formula (1). Here, γ in the following formula (1) is the maximum distortion applied to the flat disk.

Figure 02_image001
Figure 02_image001

＜潤滑油基油的動態黏度係40℃下為80.0 mm2 /秒以上且110.0 mm2 /秒以下，以及100℃下為9.0 mm2 /秒以上且13.0 mm2 /秒以下＞ 　　潤滑油基油的動態黏度期望為動態黏度係40℃下為80.0 mm2 /秒以上且110.0 mm2 /秒以下，以及100℃下為9.0 mm2 /秒以上且13.0 mm2 /秒以下。潤滑油基油的動態黏度於40℃下低於80.0 mm2 /秒，以及於100℃下低於9.0 mm2 /秒之至少任一者的情況下，潤滑油基油的閃點變成過低，黏合劑組成物的閃點變成未達250℃，作業時的安全性惡化或保管的難易度變高。又，於40℃下超過110.0 mm2 /秒，以及於100℃下超過13.0 mm2 /秒之至少任一者的情況下，潤滑油基油的動態黏度變成過高，操作上變困難。因此，潤滑油基油的動態黏度係期望40℃下為80.0 mm2 /秒以上且110.0 mm2 /秒以下，以及100℃下為9.0 mm2 /秒以上且13.0 mm2 /秒以下。<The dynamic viscosity system of lubricating base oil is 80.0 mm 2 /sec to 110.0 mm 2 /sec at 40°C, and 9.0 mm 2 /sec to 13.0 mm 2 /sec at 100°C> Lubricating base oil The dynamic viscosity is preferably 80.0 mm 2 /sec to 110.0 mm 2 /sec at 40°C, and 9.0 mm 2 /sec to 13.0 mm 2 /sec at 100°C. When the dynamic viscosity of the lubricating base oil is at least one of less than 80.0 mm 2 /sec at 40°C and less than 9.0 mm 2 /sec at 100°C, the flash point of the lubricating base oil becomes too low , the flash point of the adhesive composition becomes less than 250° C., the safety during operation deteriorates, and the difficulty of storage becomes high. Also, when at least either of 110.0 mm 2 /sec at 40°C or 13.0 mm 2 /sec at 100°C is exceeded, the dynamic viscosity of the lubricating base oil becomes too high, making handling difficult. Therefore, the dynamic viscosity of the lubricating base oil is desirably 80.0 mm 2 /sec to 110.0 mm 2 /sec at 40°C, and 9.0 mm 2 /sec to 13.0 mm 2 /sec at 100°C.

如同上述，適用本發明的黏合劑組成物中，將0℃下的0.1 rad/秒之複數彈性模數設為10.0 Pa以下。因此，於低溫時的流動性優異，可使從保存容器之流出及泵移送之和緩的力作用之作業中的作業性成為良好。As mentioned above, in the adhesive composition to which the present invention is applied, the complex elastic modulus of 0.1 rad/sec at 0°C is set to be 10.0 Pa or less. Therefore, the fluidity at low temperature is excellent, and the workability in the operation of gentle force application of the outflow from the storage container and the pump transfer can be improved.

黏合劑組成物的閃點影響作業時的安全性及保管的難易度。黏合劑組成物的閃點未達250℃的情況下，相當於危險物(第4類第四石油類)，作業時的安全性惡化及保管的難易度變高。故，適用本發明的黏合劑組成物中，期望將閃點設為250℃以上。The flash point of the adhesive composition affects the safety during operation and the ease of storage. When the flash point of the adhesive composition is less than 250° C., it corresponds to a dangerous substance (fourth petroleum of the fourth category), and the safety during operation deteriorates and the difficulty of storage becomes high. Therefore, in the adhesive composition to which the present invention is applied, it is desirable to set the flash point to 250° C. or higher.

再者，適用本發明的黏合劑組成物除了基材之溶劑萃取油、潤滑油基油以及瀝青，可含有例如碳數為12~22的飽和脂肪酸或是不飽和脂肪酸、或該些的混合物、或是二聚體，另外，亦可含有該些的醯胺(amide)、以及聚合物等。 [實施例]Furthermore, the adhesive composition applicable to the present invention may contain, for example, a saturated fatty acid or an unsaturated fatty acid with 12 to 22 carbon atoms, or a mixture thereof, in addition to solvent extraction oil, lubricating base oil, and asphalt as the base material. Or a dimer, and these amides, polymers, etc. may also be contained. [Example]

以下，對於適用本發明的黏合劑組成物之特性，列舉實施例及比較例進行具體地說明。Hereinafter, the characteristics of the adhesive composition to which the present invention is applied will be specifically described with reference to examples and comparative examples.

本實施例中，將溶劑萃取油、潤滑油基油，與瀝青以下述表1的比例混合，製作實施例及比較例的黏合劑組成物，測定複數彈性模數、密度、以及芳香族份含量。In this example, the solvent extraction oil, lubricating base oil, and asphalt were mixed in the following table 1 to prepare the adhesive compositions of the examples and comparative examples, and the complex elastic modulus, density, and aromatic content were measured. .

作為溶劑萃取油，使用15℃下的密度為0.975 g/cm3 、40℃下的黏度為2902 mm2 /秒、60℃下的黏度為485 mm2 /秒、閃點為332℃、芳香族份為73.2%、苯胺點為70.2℃者。As a solvent extraction oil, an aromatic oil with a density of 0.975 g/cm 3 at 15°C, a viscosity of 2902 mm 2 /s at 40°C, a viscosity of 485 mm 2 /s at 60°C, and a flash point of 332°C was used. The content is 73.2%, and the aniline point is 70.2 ℃.

作為潤滑油基油，使用動態黏度係40℃下為87.92 mm2 /秒、60℃下為36.57 mm2 /秒、及100℃下為10.66 mm2 /秒、15℃下的密度為0.875 g/cm3 、流動點為-12.5℃、閃點為260℃、芳香族份為2.6%者。As a lubricating base oil, a dynamic viscosity system of 87.92 mm 2 /sec at 40°C, 36.57 mm 2 /sec at 60°C, 10.66 mm 2 /sec at 100°C, and a density of 0.875 g/sec at 15°C was used. cm 3 , a pour point of -12.5°C, a flash point of 260°C, and an aromatic content of 2.6%.

作為瀝青(1)，使用針入度12、軟化點65.0℃、15℃下的密度為1.060 g/cm3 、閃點為362℃、芳香族份為67.9%之溶劑脫瀝青之瀝青。又，作為瀝青(2)，使用針入度64、軟化點49.0℃、15℃下的密度為1.034g/cm3 、芳香族份為58.0%之直餾瀝青。As pitch (1), a solvent-deasphalted pitch having a penetration of 12, a softening point of 65.0°C, a density at 15°C of 1.060 g/cm 3 , a flash point of 362°C, and an aromatic content of 67.9% was used. Also, as the pitch (2), straight-run pitch with a penetration of 64, a softening point of 49.0°C, a density at 15°C of 1.034 g/cm 3 , and an aromatic content of 58.0% was used.

再者，複數彈性模數係遵照上述之DSR試驗方法進行測定。密度係遵照JIS K2249進行測定。In addition, the complex elastic modulus is measured according to the above-mentioned DSR test method. Density was measured in accordance with JIS K2249.

芳香族份係以JPI-5S-70-10「藉由TLC/FID法之瀝青組成分析試驗方法」的條件下，進行測定。Aromatic components are measured under the conditions of JPI-5S-70-10 "Asphalt Composition Analysis Test Method by TLC/FID Method".

Figure 02_image003
Figure 02_image003

圖1為依據表1的值，將各實施例1~12及比較例1~13中的潤滑油基油的含量與瀝青的含量之關係進行標繪的圖。繪線周邊的數值表示0℃下的0.1 rad/秒之複數彈性模數(單位的Pa省略)。圖1的實線表示潤滑油基油的含量之下限的邊界線，虛線表示瀝青的含量與潤滑油基油的含量之上限的邊界線，一點鏈線表示瀝青的含量與潤滑油基油的含量之關係之下限的邊界線。1 is a graph plotting the relationship between the content of lubricating base oil and the content of asphalt in each of Examples 1 to 12 and Comparative Examples 1 to 13 based on the values in Table 1. The numerical value around the drawn line represents the complex elastic modulus of 0.1 rad/sec at 0°C (the unit Pa is omitted). The solid line in Fig. 1 represents the boundary line of the lower limit of the content of lubricating base oil, the dotted line represents the boundary line of the upper limit of the content of asphalt and the content of lubricating base oil, and the dot chain line represents the content of asphalt and the content of lubricating base oil The boundary line of the lower limit of the relationship.

＜潤滑油基油：27.0重量%以上的實施例＞ 　　如同表1及圖1所示，且如同比較例2及3所示，潤滑油基油的含量為未達27.0重量%的情況下，溶劑萃取油的含量相對於潤滑油基油的含量之比例變大。因此，無法使溶劑萃取油的動態黏度充分地下降，0℃下的0.1 rad/秒之複數彈性模數超過10.0 Pa。據此，黏合劑組成物的複數彈性模數變高，低溫時的流動性缺乏，作業性降低。<Example in which lubricating base oil: 27.0% by weight or more> As shown in Table 1 and Fig. 1, and as shown in Comparative Examples 2 and 3, when the content of lubricating base oil is less than 27.0% by weight, the solvent The ratio of the content of the extracted oil to the content of the lubricating base oil becomes large. Therefore, the dynamic viscosity of the solvent-extracted oil cannot be sufficiently lowered, and the complex elastic modulus at 0.1 rad/sec at 0° C. exceeds 10.0 Pa. Accordingly, the complex elastic modulus of the adhesive composition becomes high, the fluidity at low temperature becomes poor, and workability decreases.

相對於此，潤滑油基油的含量為27.0重量%以上的實施例1~12中，抑制溶劑萃取油的含量相對於潤滑油基油的含量之比例的增大。因此，可使溶劑萃取油的動態黏度充分地下降，0℃下的0.1 rad/秒之複數彈性模數為10.0 Pa以下。據此，實施例1~12的黏合劑組成物，於低溫時的流動性優異，可抑制作業性降低。In contrast, in Examples 1 to 12 in which the content of the lubricating base oil was 27.0% by weight or more, the increase in the ratio of the content of the solvent extraction oil to the content of the lubricating base oil was suppressed. Therefore, the dynamic viscosity of the solvent-extracted oil can be sufficiently reduced, and the complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less. Accordingly, the adhesive compositions of Examples 1 to 12 have excellent fluidity at low temperatures, and can suppress a decrease in workability.

＜瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≦1.25×X-25.375之實施例＞ 　　又，比較例4~6、11~13，係標繪於相較瀝青的含量Y與潤滑油基油的含量X之關係的邊界線Y=1.25×X-25.375為上方，0℃下的0.1 rad/秒之複數彈性模數超過10.0 Pa。因此，未滿足Y≦1.25×X-25.375之關係的比較例4~6、11~13的黏合劑組成物，於低溫時的流動性缺乏，作業性降低。<The relationship between the content Y of asphalt and the content X of lubricating base oil satisfies the embodiment of Y≦1.25×X-25.375> In addition, comparative examples 4~6, 11~13 are plotted by comparing the content Y of asphalt and The boundary line Y=1.25×X-25.375 of the relationship between the content X of the lubricating base oil is above, and the complex elastic modulus of 0.1 rad/sec at 0°C exceeds 10.0 Pa. Therefore, the adhesive compositions of Comparative Examples 4 to 6 and 11 to 13 that did not satisfy the relationship of Y≦1.25×X−25.375 lacked fluidity at low temperature and lowered workability.

相對於此，實施例1~12係滿足Y≦1.25×X -25.375，各自0℃下的0.1 rad/秒之複數彈性模數為10.0 Pa以下。因此，實施例1~12的黏合劑組成物，於低溫時的流動性優異，可抑制作業性降低。On the other hand, Examples 1 to 12 satisfy Y≦1.25×X −25.375, and the complex modulus of elasticity at 0.1 rad/sec at 0° C. is 10.0 Pa or less. Therefore, the adhesive compositions of Examples 1 to 12 have excellent fluidity at low temperature, and can suppress the decrease in workability.

＜瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≧1.25×X-32之實施例＞ 　　又，比較例1、10，係標繪於相較瀝青的含量Y與潤滑油基油的含量X之關係的邊界線Y=1.25×X-32為下方，15℃下的密度為未達0.950 g/cm3 。因此，未滿足Y≧1.25×X -32之關係的比較例1、10的黏合劑組成物中，瀝青組成物的密度低，於與劣化的瀝青之混合性產生問題。<The relationship between the content Y of asphalt and the content X of lubricating base oil satisfies the embodiment of Y≧1.25×X-32> In addition, Comparative Examples 1 and 10 are plotted by comparing the content Y of asphalt and the content X of lubricating base oil The boundary line Y=1.25×X-32 of the relationship of content X is below, and the density at 15°C is less than 0.950 g/cm 3 . Therefore, in the binder compositions of Comparative Examples 1 and 10, which did not satisfy the relationship of Y≧1.25×X-32, the density of the asphalt composition was low, and miscibility with degraded asphalt caused problems.

相對於此，實施例1~12係滿足Y≧1.25×X -32，各自15℃下的密度為0.950 g/cm3 以上。因此，實施例1~12的黏合劑組成物，可抑制與劣化的瀝青之混合性的惡化。On the other hand, Examples 1 to 12 satisfy Y≧1.25×X −32, and each has a density at 15° C. of 0.950 g/cm 3 or more. Therefore, the binder compositions of Examples 1 to 12 can suppress deterioration of miscibility with deteriorated asphalt.

＜瀝青的含量Y與潤滑油基油的含量X之關係滿足Y≦ -13.3×X+437.06之實施例＞ 　　又，比較例7~9，係標繪於相較瀝青的含量Y與潤滑油基油的含量X之關係的邊界線Y=-13.3×X+437.06為上方，芳香族的含有率未達50.00%。因此，未滿足Y≦-13.3×X+437.06之關係的比較例7~9的黏合劑組成物中，瀝青組成物中的芳香族份之含有率低，於與劣化的瀝青之混合性產生問題。<The relationship between the content Y of asphalt and the content X of lubricating base oil satisfies the embodiment of Y≦ -13.3×X+437.06> In addition, Comparative Examples 7~9 are plotted by comparing the content Y of asphalt and the content of lubricating base oil The boundary line Y=-13.3×X+437.06 of the relationship between the oil content X is above, and the aromatic content rate is less than 50.00%. Therefore, in the binder compositions of Comparative Examples 7 to 9, which did not satisfy the relationship of Y≦-13.3×X+437.06, the content of aromatic components in the asphalt composition was low, causing problems in the miscibility with degraded asphalt. .

相對於此，實施例1~12係滿足Y≦-13.3×X+437.06，各自芳香族份的含有率為50.00%以上。因此，實施例1~12的黏合劑組成物，可抑制與劣化的瀝青之混合性的惡化。On the other hand, Examples 1 to 12 satisfy Y≦-13.3×X+437.06, and the content rate of each aromatic component is 50.00% or more. Therefore, the binder compositions of Examples 1 to 12 can suppress deterioration of miscibility with deteriorated asphalt.

基於上述，適用本發明的黏合劑組成物係包含溶劑萃取油：未達73.0重量%、潤滑油基油：27.0重量%以上，及瀝青。又，瀝青的含量Y與潤滑油基油的含量X之關係滿足1.25×X-32≦Y≦1.25×X-25.375以及Y≦-13.3×X+437.06。並且，0℃下的0.1 rad/秒之複數彈性模數為10.0 Pa以下。因此，於如冬期或寒冷地區般的低溫時亦流動性優異。據此，於低溫時仍可抑制作業性降低。Based on the above, the adhesive composition applicable to the present invention includes solvent-extracted oil: less than 73.0% by weight, lubricating base oil: more than 27.0% by weight, and asphalt. Also, the relationship between the pitch content Y and the lubricating base oil content X satisfies 1.25×X-32≦Y≦1.25×X-25.375 and Y≦-13.3×X+437.06. In addition, the complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less. Therefore, it has excellent fluidity even at low temperatures such as winter or cold regions. Accordingly, it is possible to suppress reduction in workability even at low temperatures.

又，適用本發明的黏合劑組成物含有許多的溶劑萃取油作為基材，含有許多芳香族份。因此，可填補劣化的瀝青之芳香族份。據此，可得到具有與新瀝青鋪裝相同之特性的再生瀝青鋪裝。Also, the adhesive composition to which the present invention is applied contains a large amount of solvent-extracted oil as a base material and contains a large amount of aromatic components. Therefore, the aromatic portion of the deteriorated bitumen can be filled. According to this, recycled asphalt pavement having the same characteristics as new asphalt pavement can be obtained.

又，適用本發明的黏合劑組成物係閃點為250℃以上。據此，瀝青的安全性增加，因此操作或保管變得容易。Also, the flash point of the adhesive composition system to which the present invention is applied is 250° C. or higher. According to this, since the safety of asphalt increases, handling and storage become easy.

又，適用本發明的黏合劑組成物中所含有的潤滑油基油的動態黏度係40℃下為80.0 mm2 /秒以上且110.0 mm2 /秒以下，及100℃下為9.0 mm2 /秒以上且13.0 mm2 /秒以下。據此，可抑制材料特性的不均，可容易達成抑制低溫時的作業性降低。In addition, the dynamic viscosity system of the lubricating base oil contained in the adhesive composition to which the present invention is applied is 80.0 mm 2 /sec to 110.0 mm 2 /sec at 40°C, and 9.0 mm 2 /sec at 100°C. Above and below 13.0 mm 2 /sec. Accordingly, variations in material properties can be suppressed, and reduction in workability at low temperatures can be easily suppressed.

再者，適用本發明的黏合劑組成物亦可使用於低溫時以外的環境。Furthermore, the adhesive composition applicable to the present invention can also be used in environments other than low temperature.

儘管說明有本發明的實施形態，但該等實施形態係作為例而提示者，並非意圖限定發明之範圍。該等新穎之實施形態可以其他各種形態實施，於不脫離發明主旨之範圍內可進行各種省略、置換、變更。該等實施形態或其變化均包含於發明之範圍或主旨，且包含於申請專利範圍所記載之發明及與其均等之範圍內。Although embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. These embodiments or variations thereof are included in the scope or gist of the invention, and are included in the inventions described in the claims and their equivalent scopes.

[圖1]圖1為標繪潤滑油基油的含量與瀝青的含量之關係的圖。 [ Fig. 1] Fig. 1 is a graph plotting the relationship between the content of lubricating base oil and the content of bitumen.

Claims (2)

一種黏合劑組成物，其特徵在於包含溶劑萃取油：未達73.0重量%、潤滑油基油：27.0重量%以上，及瀝青；上述瀝青的含量Y與上述潤滑油基油的含量X之關係滿足1.25×X-32≦Y≦1.25×X-25.375以及Y≦-13.3×X+437.06，上述潤滑油基油的動態黏度係40℃下為80.0mm2/秒以上且110.0mm2/秒以下，以及100℃下為9.0mm2/秒以上且13.0mm2/秒以下，並且0℃下的0.1rad/秒之複數彈性模數係10.0Pa以下，閃點為250℃以上。 An adhesive composition, characterized in that it contains solvent-extracted oil: less than 73.0% by weight, lubricating base oil: more than 27.0% by weight, and asphalt; the relationship between the content Y of the above-mentioned asphalt and the content X of the above-mentioned lubricating base oil satisfies 1.25×X-32≦Y≦1.25×X-25.375 and Y≦-13.3×X+437.06, the dynamic viscosity system of the above lubricating base oil at 40°C is 80.0 mm 2 /sec or more and 110.0 mm 2 /sec or less, And 9.0 mm 2 /sec to 13.0 mm 2 /sec at 100°C, complex modulus of elasticity at 0.1 rad/sec at 0°C is 10.0 Pa or less, and flash point is 250°C or more. 如請求項1之黏合劑組成物，其中，上述瀝青係溶劑脫瀝青之瀝青及直餾瀝青之至少任一者。 The adhesive composition according to claim 1, wherein at least any one of the asphalt-based solvent deasphalted asphalt and straight-run asphalt is used.
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