JP3337984B2 - Asphalt composition - Google Patents
Asphalt compositionInfo
- Publication number
- JP3337984B2 JP3337984B2 JP23538998A JP23538998A JP3337984B2 JP 3337984 B2 JP3337984 B2 JP 3337984B2 JP 23538998 A JP23538998 A JP 23538998A JP 23538998 A JP23538998 A JP 23538998A JP 3337984 B2 JP3337984 B2 JP 3337984B2
- Authority
- JP
- Japan
- Prior art keywords
- asphalt
- paper
- asphalt composition
- composition
- pavement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明はアスファルト組成物
に関し、詳しくは組成物の均一性が保持され、しかも諸
特性に優れ、道路用舗装材を始めとして屋根材、床材及
び壁材等として有用なアスファルト組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an asphalt composition, and more particularly, it maintains uniformity of the composition and has excellent properties, and is useful as a pavement material for roads, roofing materials, flooring materials, wall materials, and the like. Asphalt composition.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】道路用
舗装材としてのアスファルト組成物については、多くの
改善提案がなされており、例えば耐流動性を高めた舗装
用アスファルト組成物を製造する方法の一例として、砕
石、石粉等の骨材と共に軟化点の低い石油アスファル
ト、軟化点の高いアスファルト、アスファルトピッチ、
天然アスファルト等のアスファルト成分を適宜混合し、
夏期の高温時における舗装道路の変形を抑制する工夫が
なされている。2. Description of the Related Art There have been many proposals for improvement of asphalt compositions as pavement materials for roads. For example, a method for producing an asphalt composition for pavement with improved flow resistance has been proposed. As an example, crushed stone, petroleum asphalt having a low softening point together with aggregates such as stone powder, asphalt having a high softening point, asphalt pitch,
Mix asphalt components such as natural asphalt appropriately,
A device has been devised to suppress the deformation of the pavement road at high temperatures in summer.
【０００３】また、寒冷地のアスファルト舗装では、ア
スファルト軟化点の低いものが選択されるが、施工時に
アスファルト成分が骨材、特に砕石等の粗骨材と分離
し、いわゆる施工時の「ダレ現象」が生じるため、この
対策が必要になってくる。つまり、この場合のアスファ
ルト組成物は、砕石、砂、石粉等の骨材とアスファルト
成分とを混合、溶融したものであるが、これをダンプカ
ー等に積載し、施工現場に輸送する間、さらに施工を実
施する間、流動性の高いアスファルト成分や石粉等の細
骨材がダンプカーの底部、あるいは施工面の下部に流
れ、そこに溜り、ダンプカーからのアスファルト組成物
の排出に支障をきたしたり、施工面の上部に砕石等の粗
骨材が多くなり、舗装の質を下げてしまう。これをいわ
ゆる「ダレ現象」と称し、これを防ぐために、アスファ
ルト組成物の組成や石粉（微粉）の検討、砕石等の粗骨
材とアスファルト成分との接着性等の検討がなされてい
る。[0003] In asphalt pavement in cold regions, a material having a low asphalt softening point is selected. However, asphalt components are separated from aggregates, particularly coarse aggregates such as crushed stones during construction, resulting in a so-called "dripping phenomenon" during construction. This means that this measure is needed. In other words, the asphalt composition in this case is obtained by mixing and melting an asphalt component with an aggregate such as crushed stone, sand, or stone powder. During the operation, fine aggregates such as asphalt components and stone powder with high fluidity flow to the bottom of the dump truck or the lower part of the construction surface and collect there, hindering the discharge of the asphalt composition from the dump truck, or Coarse aggregates such as crushed stones increase in the upper part of the surface, deteriorating the quality of pavement. This is referred to as the so-called "drip phenomenon". In order to prevent this, studies have been made on the composition of the asphalt composition and stone powder (fine powder), and on the adhesion between the coarse aggregate such as crushed stone and the asphalt component.
【０００４】このように、道路舗装用アスファルト組成
物においては、加熱混合溶融処理時やその後の運搬、舗
装施工時に組成物の均一性が保持され、施工も容易とな
ることが要求されている。また、舗装施工後の諸特性が
優れていることが要望されている。[0004] As described above, asphalt compositions for road pavement are required to maintain uniformity of the composition during the heat-mixing / melting treatment, subsequent transportation and pavement work, and to facilitate the work. Further, it is demanded that various properties after pavement construction are excellent.
【０００５】一方、屋根材、床材及び壁材等に用いられ
るアスファルト組成物の場合、添加される着色材やその
他の添加物とアスファルト成分との馴染みを増し、組成
物の均一性が保持され、製品となった組成物の可撓性が
広い温度範囲で良好に保たれる等の改善が要求されてい
る。On the other hand, in the case of an asphalt composition used for a roof material, a floor material, a wall material, etc., the familiarity of an asphalt component with a coloring material or other additives to be added is increased, and the uniformity of the composition is maintained. There is also a demand for improvements such as maintaining the flexibility of the composition as a product in a wide temperature range.
【０００６】このことをさらに詳細に説明すると、道路
用舗装材や屋根材、床材、壁材に用いられるアスファル
ト組成物には、次のことが要求又は要望されている。This will be described in more detail. Asphalt compositions used for pavement materials for roads, roof materials, floor materials, and wall materials are required or required as follows.
【０００７】（１）道路用舗装材では、アスファルト組
成物を調製する際の溶融状態において、長時間にわたり
アスファルト成分が骨材、特に砕石等の粗骨材から分
離、沈降することなく、組成物の均一性が維持され、取
り扱いが容易なことが要望されている。(1) In a road pavement material, in a molten state in preparing an asphalt composition, the asphalt component does not separate and settle from aggregates, particularly coarse aggregates such as crushed stones, for a long period of time. It is demanded that the uniformity of the particles is maintained and the handling is easy.
【０００８】（２）近年需要の高まった排水性アスファ
ルト舗装において、使用する砕石等の骨材として粗なも
のが選ばれ、道路表面にたまる水が舗装面を通過して排
水されていく。このため舗装体全体は粗になるが、骨材
同士はアスファルト成分によってしっかり固着されなけ
ればならない。さもないと、舗装表面から骨材が脱落し
ていくことになる。つまり、アスファルト成分が強固な
接着機能を保持し、しかも可撓性を持たなければならな
い。(2) In the drainage asphalt pavement that has been in demand in recent years, coarse aggregates such as crushed stones are selected, and water accumulated on the road surface is drained through the pavement surface. For this reason, the whole pavement becomes coarse, but the aggregates must be firmly fixed by asphalt components. Otherwise, aggregate will fall off the pavement surface. That is, the asphalt component must have a strong adhesive function and be flexible.
【０００９】（３）屋根材、床材及び壁材は、着色材
（天然石粒、人工色粒、着色樹脂粒、その他）と増量剤
及び物理特性保持のための石粉や砂とアスファルト成分
（一般アスファルト、脱色アスファルトあるいはこれら
に類似した樹脂状物）の混合物であるが、特に可撓性に
対する経年変化が問題となる。これは、アスファルト組
成物内でのアスファルト成分と各種添加物との密着性が
年月と共に低下することによるもので、低沸点のアスフ
ァルト成分が徐々に失われること等によるものと考えら
れる。(3) Roofing materials, flooring materials and wall materials are made of coloring materials (natural stones, artificial color particles, coloring resin particles, etc.), fillers, stone powder or sand for maintaining physical properties and asphalt components (general). Asphalt, bleached asphalt or a mixture of resinous materials similar thereto), but the aging of the flexibility is a problem. This is because the adhesion between the asphalt component and the various additives in the asphalt composition decreases over time, and it is considered that the low boiling asphalt component is gradually lost.
【００１０】このような要求又は要望を充足する一つの
手段として、道路用舗装材としてのアスファルト組成物
に、木材の粉末や紙粉等のセルロース繊維状物等を添加
する方法が提案されているが、この方法においては、一
定の評価は得られているものの、未だ上記要求又は要望
を充分に満足させるものではない。As one means for satisfying such requirements or demands, there has been proposed a method of adding a cellulose fibrous material such as wood powder or paper powder to an asphalt composition as a road pavement material. However, in this method, although a certain evaluation has been obtained, the above-mentioned requirements or requests have not yet been sufficiently satisfied.
【００１１】従って、本発明の目的は、組成物の均一性
が保持され、しかも諸特性に優れ、道路用舗装材を始め
として屋根材、床材及び壁材等として有用なアスファル
ト組成物を提供することにある。Accordingly, an object of the present invention is to provide an asphalt composition which maintains the uniformity of the composition and is excellent in various properties and is useful as a pavement material for roads, a roofing material, a flooring material, a wall material and the like. Is to do.
【００１２】[0012]
【課題を解決するための手段】本発明者らは、検討の結
果、アスファルト組成物に、樹脂がラミネート又はコー
トされている紙を粉砕した紙粉砕物を添加することによ
って、上記目的が達成し得ることを知見した。As a result of the study, the present inventors have achieved the above object by adding a ground paper obtained by grinding a paper laminated or coated with a resin to an asphalt composition. I knew that I could get it.
【００１３】本発明は、上記知見に基づきなされたもの
で、樹脂がラミネート又はコートされている紙を粉砕し
た紙粉砕物を添加したことを特徴とするアスファルト組
成物を提供するものである。The present invention has been made based on the above findings, and provides an asphalt composition characterized by adding a ground paper obtained by pulverizing a paper laminated or coated with a resin.
【００１４】[0014]
【発明の実施の形態】以下、本発明を詳細に説明する。
本発明における樹脂がラミネート又はコートされている
紙（以下、ラミネート又はコート紙という）とは、代表
的には、牛乳や酒類等の飲料の容器として使用される紙
製品、クラフト紙等の防湿紙等が挙げられる。これら
は、未使用品に限らず、使用済の回収品、あるいはこれ
らラミネート紙等を製造する過程で不良品化したもので
も用いることができる。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
The paper in which the resin in the present invention is laminated or coated (hereinafter, referred to as a laminated or coated paper) is typically a paper product used as a container for beverages such as milk and liquors, and moisture-proof paper such as kraft paper. And the like. These can be used not only for unused products, but also for used recovered products or those that have become defective in the process of manufacturing these laminated papers.
【００１５】本発明においては、これらラミネート又は
コート紙は粉砕して紙粉砕物として用いる必要があり、
粉砕する手段については特に限定されないが、紙のセル
ロース繊維をあまり微細化しない程度に小さく、またア
スファルト成分との混合性が良好に維持される程度の大
きさの範囲にする必要がある。この大きさは、原料とす
る紙の質によっても左右される。一例を挙げれば、乳製
品用のラミネート紙の場合、衝撃式粉砕機を用い、比較
的回転数を上げて粉砕し、紙繊維長を０．３〜３．０ｍ
ｍに粉砕するのが好ましい。In the present invention, these laminates or coated papers must be crushed and used as crushed paper.
The means for pulverizing is not particularly limited, but the pulverizing means needs to be small enough not to make the cellulose fibers of the paper very fine, and in such a size that good mixing with the asphalt component is maintained. This size also depends on the quality of the paper as the raw material. For example, in the case of a laminated paper for dairy products, the paper fiber length is 0.3 to 3.0 m using an impact type crusher and crushed at a relatively high rotation speed.
It is preferred to grind to m.
【００１６】また、紙をラミネート又はコートする樹脂
としては、ポリエチレン、ポリプロピレン、ポリスチレ
ン、ポリ塩化ビニル、ポリ塩化ビニリデン等が挙げら
れ、これらを単独で又は２種以上を混合して用いられる
が、特に好ましいのはポリエチレン、ポリプロピレンで
ある。これらのラミネートもしくはコートされた樹脂
は、紙の粉砕につれて、ほぼ同じ大きさに粉砕され、し
かも紙と樹脂とは、付着した状態に保たれていることが
重要である。Examples of the resin for laminating or coating paper include polyethylene, polypropylene, polystyrene, polyvinyl chloride, polyvinylidene chloride and the like. These may be used alone or in combination of two or more. Preferred are polyethylene and polypropylene. It is important that these laminated or coated resins are crushed to approximately the same size as the paper is crushed, and that the paper and the resin are kept in an adhered state.
【００１７】本発明でいうアスファルト組成物とは、道
路用舗装材用においては、アスファルト成分と骨材等を
混合したものである。また、骨材としては石粉等の細骨
材と砕石等の粗骨材が組み合わせて用いられる。The asphalt composition in the present invention is a mixture of an asphalt component and an aggregate for road pavement materials. As the aggregate, a fine aggregate such as stone powder and a coarse aggregate such as crushed stone are used in combination.
【００１８】ここでいうアスファルト成分とは、石油ア
スファルト、アスファルトタイト、アスファルトピッチ
あるいはこれらの混合物、さらには再生アスファルト等
を指し、また脱色アスファルトあるいはこれらに類似し
た樹脂状物、さらにはポリエチレン、ポリプロピレンを
一部分解重合して、高分子量を若干低下させた改質ポリ
エチレンやポリプロピレンを包含する。The asphalt component as used herein refers to petroleum asphalt, asphalt tight, asphalt pitch or a mixture thereof, as well as regenerated asphalt and the like, and decolorized asphalt or a resinous material similar to these, furthermore polyethylene or polypropylene. Modified polyethylene and polypropylene, which are partially decomposed and polymerized to slightly lower the high molecular weight, are included.
【００１９】また屋根材、床材および壁材として用いら
れるアスファルト組成物は、アスファルト成分と着色材
やその他の添加物とを混合したものである。屋根材を例
として説明すると、屋根材は着色材が重要であり、天然
の着色岩石粉も用いられるが、色やアスファルト組成物
全体の特性からみて、北米では着色顆粒品の使用が一般
である。着色顆粒品は、カオリンの粒に、希望する無機
顔料〔酸化チタン（白）、亜鉛フェライト（黄）、ベン
ガラ（赤、紫）、酸化クロム（緑色）等〕を加熱下でケ
イ酸ナトリウムと共に溶融させ、まぶして着色顆粒品を
作る。これをケイ砂等を共にアスファルトに加えて混練
し、着色アスファルト組成物を調製する。The asphalt composition used as a roof material, a floor material and a wall material is a mixture of an asphalt component, a coloring material and other additives. Taking roofing materials as an example, coloring materials are important for roofing materials, and natural colored rock powder is also used, but colored granules are generally used in North America from the viewpoint of color and the characteristics of the asphalt composition as a whole. . Colored granules are obtained by melting the desired inorganic pigments (titanium oxide (white), zinc ferrite (yellow), red iron, purple, chromium oxide (green), etc.) together with sodium silicate in kaolin particles Allow to dust and make colored granules. This is added to asphalt together with silica sand or the like and kneaded to prepare a colored asphalt composition.
【００２０】道路用舗装材の場合には、アスファルト成
分はアスファルト組成物中に５〜８重量％含有されるの
が好ましい。また、屋根材の場合、可撓性を維持するた
めに、アスファルト成分をアスファルト組成物中に２０
重量％程度含有することが望ましい。床材の場合はアス
ファルト成分は屋根材よりもよりも幾分少なくすること
が望ましい。In the case of road paving materials, the asphalt component is preferably contained in the asphalt composition in an amount of 5 to 8% by weight. In the case of a roofing material, in order to maintain flexibility, an asphalt component is added to the asphalt composition.
Desirably, the content is about 10% by weight. In the case of flooring, it is desirable that the asphalt component be somewhat less than the roofing material.
【００２１】上記紙粉砕物のアスファルト組成物への添
加量は、アスファルト成分との比で考えるのが効果的で
あるが、紙粉砕物の種類及びアスファルト成分の種類に
よって最適の範囲は異なるが、紙粉砕物：アスファルト
成分の比は３〜２０：１００（重量比）であることが好
ましい。この範囲より紙粉砕物が少ないと本発明の効果
が維持できず、多すぎてもアスファルト組成物の本来の
性質を阻害することとなる。道路用舗装材の場合の目安
として、紙のセルロース質がアスファルト成分に対し
て、４〜１０：１００（重量比）である場合に、本発明
の効果が最も良く発現される。It is effective to consider the amount of the above ground paper to the asphalt composition in terms of the ratio to the asphalt component. The optimum range differs depending on the type of ground paper and the type of asphalt component. The ratio of the ground paper to the asphalt component is preferably 3 to 20: 100 (weight ratio). If the amount of pulverized paper is less than this range, the effect of the present invention cannot be maintained, and if it is too large, the original properties of the asphalt composition will be impaired. As a guide for road paving materials, the effect of the present invention is best exhibited when the cellulosic content of the paper is 4 to 10: 100 (weight ratio) with respect to the asphalt component.
【００２２】下記に示すような効果が発現する理由は詳
細には不明であるが、紙の繊維のみでなく、紙の繊維に
絡みついた形の樹脂の繊維状物が存在することによって
アスファルト組成物における諸成分（石粉、顔料その他
接着性付与のための添加剤等）相互の馴染みがよくな
り、アスファルト成分と紙及び紙に付着した形の樹脂の
間でマトリックスのようなものが形成され、そのことに
よって、道路用舗装材としてのアスファルト組成物の場
合、骨材、特に粗骨材とアスファルト成分との接着も良
好となり、溶融状態の輸送中、施工中の「ダレ」も防止
され、結果として舗装作業性も良好となり、また仕上後
の舗装面の特性も改善されるものと考えられる。The reason why the following effects are exhibited is not clear in detail, but the asphalt composition is caused by the presence of not only paper fibers but also resin fibrous materials entangled with paper fibers. Ingredients (stone powder, pigments, additives for imparting adhesiveness, etc.) in the above become more compatible with each other, and a matrix-like material is formed between the asphalt component and the paper and the resin adhered to the paper. As a result, in the case of asphalt composition as a pavement material for roads, the adhesion between the aggregate, particularly the coarse aggregate and the asphalt component, is improved, and during the transportation in the molten state, `` sagging '' during construction is also prevented. It is considered that the pavement workability is improved, and the characteristics of the pavement surface after finishing are also improved.
【００２３】本発明のアスファルト組成物は、道路用舗
装材に限らず、上述のように屋根材、壁材及び床材やア
スファルトタイル等の様々な分野で使用することができ
る。The asphalt composition of the present invention can be used not only in pavement materials for roads but also in various fields such as roof materials, wall materials, floor materials and asphalt tiles as described above.
【００２４】また、ラミネート又はコート紙として、ラ
ミネート紙等の製造工程で生じた不良品や使用済の回収
品を用いる場合には、省資源に貢献するばかりでなく、
コスト低減効果も非常に大きい。In addition, when a defective product or a used recovered product generated in a manufacturing process of a laminated paper or the like is used as the laminated or coated paper, not only contributes to resource saving but also contributes to resource saving.
The cost reduction effect is also very large.
【００２５】[0025]
【実施例】以下に、本発明を実施例によって具体的に説
明する。The present invention will be specifically described below with reference to examples.
【００２６】〔実施例１〕 （道路用舗装材）７号砕石１２０ｇ、粗砂１５６ｇ、着
色用酸化鉄１６ｇ、ストレートアスファルト１６ｇ及び
ラミネート紙（牛乳パック紙）粉砕物０．９ｇを混合機
に入れ、１６０℃まで加熱撹拌し、均一に混合した加熱
したものを成形器に入れ、圧力２ｋｇ／ｃｍ2 でつき固
め、アスファルト組成物（成形品）を調製した。この成
形品は円筒形状で、直径６５ｍｍ、厚み１８ｍｍとし
た。[Example 1] (Pavement material for road) 120 g of No. 7 crushed stone, 156 g of coarse sand, 16 g of iron oxide for coloring, 16 g of straight asphalt and 0.9 g of crushed laminated paper (milk-packed paper) were put into a mixer. The mixture was heated and stirred to 160 ° C., and the mixture was heated and mixed uniformly. The mixture was placed in a molding machine and compacted at a pressure of 2 kg / cm 2 to prepare an asphalt composition (molded product). This molded product had a cylindrical shape, a diameter of 65 mm and a thickness of 18 mm.
【００２７】ここにおける混合状態と成形品の仕上がり
状態を評価し、その結果を表１に示した。なお、成形品
の仕上がり状態は目視により１００点満点で行った。ま
た、得られた成形品を８ｍｍ径の棒の上に載せ（中心線
近くとし）、これを室温から徐々に加熱していくと、棒
のあたりから割れを生ずる。この割れ温度を表１に示
す。この割れが始まる温度が高いもの程、ダレが小さ
く、またアスファルト組成物の特性が良好である。The mixed state and the finished state of the molded product were evaluated, and the results are shown in Table 1. The finished state of the molded product was visually evaluated on a scale of 100 points. When the obtained molded product is placed on a rod having a diameter of 8 mm (near the center line) and gradually heated from room temperature, cracks occur around the rod. Table 1 shows the cracking temperatures. The higher the temperature at which the crack starts, the smaller the sag and the better the characteristics of the asphalt composition.
【００２８】〔実施例２〕 （道路用舗装材）ラミネート紙粉砕物０．９ｇに代え
て、ラミネート紙粉砕物０．９ｇとストレートアスファ
ルト０．９ｇとを混合して得られた顆粒品を用いた以外
は、実施例１と同様にしてアスファルト組成物（成形
品）を調製した。なお、ストレートアスファルトは単独
では１５．１ｇを混合機に投入した。[Example 2] (Pavement material for roads) Instead of 0.9 g of the pulverized laminated paper, a granule obtained by mixing 0.9 g of the pulverized laminated paper with 0.9 g of straight asphalt was used. An asphalt composition (molded article) was prepared in the same manner as in Example 1 except for the presence of the asphalt composition. In addition, 15.1 g of straight asphalt alone was put into the mixer.
【００２９】ここにおける混合状態、成形品の仕上がり
状態及び割れを実施例１と同様に評価し、その結果を表
１に示した。The mixed state, the finished state of the molded article and the cracks were evaluated in the same manner as in Example 1, and the results are shown in Table 1.
【００３０】〔比較例１〕 （道路用舗装材）ラミネート紙粉砕物０．９ｇを用いな
い以外は、実施例１と同様にしてアスファルト組成物
（成形品）を調製した。Comparative Example 1 (Pavement material for road) An asphalt composition (molded article) was prepared in the same manner as in Example 1 except that 0.9 g of the pulverized laminated paper was not used.
【００３１】ここにおける混合状態、成形品の仕上がり
状態及び割れを実施例１と同様に評価し、その結果を表
１に示した。Here, the mixed state, the finished state of the molded article and the cracks were evaluated in the same manner as in Example 1, and the results are shown in Table 1.
【００３２】〔比較例２〕 （道路用舗装材）ラミネート紙粉砕物０．９ｇに代え
て、紙粉０．９ｇを用いた以外は、実施例１と同様にし
てアスファルト組成物（成形品）を調製した。この紙粉
は市販品で、新聞紙等を粉砕したものである。[Comparative Example 2] (Pavement material for road) Asphalt composition (molded product) in the same manner as in Example 1 except that 0.9 g of paper powder was used instead of 0.9 g of pulverized laminated paper. Was prepared. This paper powder is a commercially available product, which is obtained by pulverizing newspaper or the like.
【００３３】ここにおける混合状態、成形品の仕上がり
状態及び割れを実施例１と同様に評価し、その結果を表
１に示した。The mixed state, the finished state of the molded product and the cracks were evaluated in the same manner as in Example 1. The results are shown in Table 1.
【００３４】〔比較例３〕 （道路用舗装材）ラミネート紙粉砕物０．９ｇに代え
て、紙粉０．９ｇとストレートアスファルト０．９ｇと
を混合して得られた顆粒品を用いた以外は、実施例１と
同様にしてアスファルト組成物（成形品）を調製した。
なお、ストレートアスファルトは単独では１５．１ｇを
混合機に投入した。Comparative Example 3 (Road Pavement Material) A granulated product obtained by mixing 0.9 g of paper powder and 0.9 g of straight asphalt in place of 0.9 g of pulverized laminated paper was used. Prepared an asphalt composition (molded product) in the same manner as in Example 1.
In addition, 15.1 g of straight asphalt alone was put into the mixer.
【００３５】ここにおける混合状態、成形品の仕上り状
態及び割れを実施例１と同様に評価し、その結果を表１
に示した。The mixed state, the finished state of the molded article and the cracks were evaluated in the same manner as in Example 1, and the results were shown in Table 1.
It was shown to.
【００３６】[0036]
【表１】 [Table 1]
【００３７】表１に示されるように、ラミネート紙（牛
乳パック）粉砕物を添加した実施例１〜２は、混合状態
及び成形品の仕上り状態が良好で、しかも割れ温度が高
い。これに対して、比較例１〜３は、割れ温度がいずれ
も低い。また、比較例１〜２は、成形品の仕上り状態に
劣り、比較例２は、混合状態も劣る。As shown in Table 1, in Examples 1 and 2 in which the pulverized laminated paper (milk pack) was added, the mixed state and the finished state of the molded product were good and the cracking temperature was high. In contrast, Comparative Examples 1 to 3 all have low cracking temperatures. Further, Comparative Examples 1 and 2 are inferior in the finished state of the molded article, and Comparative Example 2 is inferior in the mixed state.
【００３８】〔実施例３〕 （屋根材）ケイ砂１５重量部、着色顆粒２０重量部、粗
砂４８重量部、アスファルト２０重量部、ラミネート紙
（牛乳パック）粉砕物３重量部を用いた以外は、実施例
１と同様にしてアスファルト組成物（成形品）を調製し
た。この成形品は直方体形状で、３００×６００ｍｍ、
厚さ１８ｍｍとした。Example 3 (Roof material) Except that 15 parts by weight of silica sand, 20 parts by weight of colored granules, 48 parts by weight of coarse sand, 20 parts by weight of asphalt, and 3 parts by weight of a crushed laminated paper (milk pack) were used. An asphalt composition (molded article) was prepared in the same manner as in Example 1. This molded product has a rectangular parallelepiped shape, 300 x 600 mm,
The thickness was 18 mm.
【００３９】ここにおける混合状態を評価すると共に、
成形品の折り曲げ試験を行い、割れの発生する折り曲げ
回数を測定した。その結果を表２に示した。While evaluating the mixed state here,
A bending test was performed on the molded product, and the number of times of bending at which cracks occurred was measured. The results are shown in Table 2.
【００４０】〔実施例４〕 （屋根材）ラミネート紙粉砕物３重量部に代えて、ラミ
ネート紙又はコート紙の一種であるクラフト紙（防水紙
製用紙）粉砕物３重量部を用いた以外は、実施例３と同
様にしてアスファルト組成物（成形品）を調製した。[Example 4] (Roof material) Except that 3 parts by weight of crushed kraft paper (waterproof paper), which is a kind of laminated paper or coated paper, was used instead of 3 parts by weight of crushed laminated paper An asphalt composition (molded article) was prepared in the same manner as in Example 3.
【００４１】ここにおける混合状態及び折り曲げ回数を
実施例３と同様に評価し、その結果を表２に示した。The mixed state and the number of times of bending were evaluated in the same manner as in Example 3, and the results are shown in Table 2.
【００４２】〔比較例４〕 （屋根材）ラミネート紙粉砕物３重量部を用いない以外
は、実施例３と同様にしてアスファルト組成物（成形
品）を調製した。Comparative Example 4 (Roofing Material) An asphalt composition (molded product) was prepared in the same manner as in Example 3 except that 3 parts by weight of the crushed laminated paper was not used.
【００４３】ここにおける混合状態及び折り曲げ回数を
実施例３と同様に評価し、その結果を表２に示した。The mixed state and the number of times of bending were evaluated in the same manner as in Example 3, and the results are shown in Table 2.
【００４４】〔比較例５〕 （屋根材）ラミネート紙粉砕物３重量部に代えて、新聞
紙粉砕物３重量部を用いた以外は、実施例３と同様にし
てアスファルト組成物（成形品）を調製した。Comparative Example 5 (Roofing Material) An asphalt composition (molded product) was prepared in the same manner as in Example 3 except that 3 parts by weight of a ground paper was used instead of 3 parts by weight of a laminated paper. Prepared.
【００４５】ここにおける混合状態及び折り曲げ回数を
実施例３と同様に評価し、その結果を表２に示した。The mixed state and the number of times of bending were evaluated in the same manner as in Example 3, and the results are shown in Table 2.
【００４６】[0046]
【表２】 [Table 2]
【００４７】表２に示されるように、ラミネート紙（牛
乳パック）粉砕物を添加した実施例３は、混合状態が良
好で、しかも折り曲げ回数も多い。また、実施例４は市
販の防水コート紙（ラミネート紙又はコート紙の一種で
あるが、紙繊維が若干密に調製された紙）粉砕物を添加
したものであり、ラミネート紙（牛乳パック）粉砕物を
添加した実施例４よりも性能は劣るが、後述する比較例
４及び５よりも優れる。これに対して、比較例４及び５
は、実施例３及び４に比べて折り曲げ回数が少ない。ま
た、比較例５は、混合状態も劣る。As shown in Table 2, in Example 3 in which the pulverized laminate paper (milk pack) was added, the mixing state was good and the number of times of folding was large. In Example 4, a commercially available waterproof coated paper (a kind of laminated paper or coated paper, but paper paper having a slightly denser paper fiber) was added with pulverized material, and laminated paper (milk pack) was pulverized. Is inferior to Example 4 in which is added, but is superior to Comparative Examples 4 and 5 described later. In contrast, Comparative Examples 4 and 5
Is smaller in the number of times of bending than in Examples 3 and 4. Comparative Example 5 is also inferior in the mixed state.
【００４８】[0048]
【発明の効果】樹脂をラミネート又はコートした紙を粉
砕した紙粉砕物を添加した本発明のアスファルト組成物
は、組成物の均一性が保持され、しかも諸特性に優れる
ため、道路用舗装材や屋根材、床材及び壁材等の用途に
好適に用いられる。特に、本発明のアスファルト組成物
を道路用舗装材として用いることによって、溶融状態に
おいて生ずる「ダレ」現象を好適に防止することができ
る。The asphalt composition of the present invention to which a paper pulverized material obtained by pulverizing a paper laminated or coated with a resin is added, since the uniformity of the composition is maintained and various characteristics are excellent, so that the pavement material for roads and It is suitably used for roof materials, floor materials, wall materials and the like. In particular, by using the asphalt composition of the present invention as a pavement material for roads, it is possible to suitably prevent the "dripping" phenomenon that occurs in a molten state.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平10−81827（ＪＰ，Ａ) 特開 昭61−76539（ＪＰ，Ａ) 特開 昭51−37115（ＪＰ，Ａ) 特開 昭49−48718（ＪＰ，Ａ) 特公 昭46−37359（ＪＰ，Ｂ１) 特公 昭46−29160（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.7，ＤＢ名) C08L 1/00 - 101/16 E01C 7/26 E04D 11/02 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-10-81827 (JP, A) JP-A-61-76539 (JP, A) JP-A-51-37115 (JP, A) JP-A-49-1979 48718 (JP, A) JP-B-46-37359 (JP, B1) JP-B-46-29160 (JP, B1) (58) Fields investigated (Int. Cl. 7 , DB name) C08L 1/00-101 / 16 E01C 7/26 E04D 11/02
Claims (2)
紙を粉砕した紙粉砕物を添加したことを特徴とするアス
ファルト組成物。1. An asphalt composition comprising a paper pulverized product obtained by pulverizing a paper on which a resin is laminated or coated.
ン、ポリスチレン、ポリ塩化ビニル、ポリ塩化ビニリデ
ンより選択された１種又はこれらの２種以上の混合物で
ある請求項１記載のアスファルト組成物。2. The asphalt composition according to claim 1, wherein the resin is one selected from polyethylene, polypropylene, polystyrene, polyvinyl chloride, and polyvinylidene chloride, or a mixture of two or more thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23538998A JP3337984B2 (en) | 1998-08-21 | 1998-08-21 | Asphalt composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23538998A JP3337984B2 (en) | 1998-08-21 | 1998-08-21 | Asphalt composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000063677A JP2000063677A (en) | 2000-02-29 |
| JP3337984B2 true JP3337984B2 (en) | 2002-10-28 |
Family
ID=16985368
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23538998A Expired - Fee Related JP3337984B2 (en) | 1998-08-21 | 1998-08-21 | Asphalt composition |
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