JP2020036712A - Cleaning tool and method for manufacturing the cleaning tool - Google Patents

Cleaning tool and method for manufacturing the cleaning tool Download PDF

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JP2020036712A
JP2020036712A JP2018164631A JP2018164631A JP2020036712A JP 2020036712 A JP2020036712 A JP 2020036712A JP 2018164631 A JP2018164631 A JP 2018164631A JP 2018164631 A JP2018164631 A JP 2018164631A JP 2020036712 A JP2020036712 A JP 2020036712A
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cleaning tool
abrasive
adhesive
adhesive layer
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弘樹 米倉
Hiroki Yonekura
弘樹 米倉
萩原　智之
Tomoyuki Hagiwara
智之 萩原
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LEC Inc
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LEC Inc
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Abstract

To provide a cleaning tool having abrasive properties and durability.SOLUTION: A cleaning tool 1 is a laminate of a three-layer structure comprising a base material layer 2, an adhesive layer 3, and an abrasive layer 4, the abrasive layer 4 being coupled to the base material layer 2 through the abrasive layer 3. The abrasive layer 4 is formed of many powdery abrasive materials 5 obtained by pulverizing a melamine-based resin foam. In a state of bringing the abrasive layer 4 into contact with a cleaning object, a user holds by a hand the base material layer 2 and moves the cleaning tool 1. By the movement, the abrasive materials 5 forming the abrasive layer 4 polishes a cleaning object plane, for scraping dirt adhering to the cleaning object plane. By improving durability of the cleaning tool 1, stronger force relative to prior cleaning tools formed of the melamine-based resin foam can be applied to improve abrasive properties.SELECTED DRAWING: Figure 2

Description

本発明は、メラミン系樹脂発泡体に由来する研磨材を用いた清掃具及び該清掃具の製造方法に関するものである。   The present invention relates to a cleaning tool using an abrasive derived from a melamine-based resin foam and a method for manufacturing the cleaning tool.

メラミン系樹脂発泡体は、メラミン及びホルムアルデヒドの反応により得られるメラミンホルムアルデヒド樹脂と、発泡剤成分とから製造され、連通気泡構造を有する三次元網状多孔体である。このメラミン系樹脂発泡体は脆い性質を有するため、その表面を摩擦すると細かい粒子となって剥離していくところ、この剥離した粒子は硬くて微細な骨格構造を備え、研磨材として機能する。   The melamine-based resin foam is a three-dimensional reticulated porous body having an open-cell structure, produced from a melamine formaldehyde resin obtained by a reaction between melamine and formaldehyde, and a foaming agent component. Since the melamine-based resin foam has a brittle property, when the surface thereof is rubbed, the melamine-based resin foam is separated into fine particles, and the separated particles have a hard and fine skeleton structure and function as an abrasive.

特許文献１には、メラミン系樹脂発泡体を研磨材とする清浄具が開示されている。   Patent Literature 1 discloses a cleaning tool using a melamine-based resin foam as an abrasive.

特開平１１−１２８１３７号公報JP-A-11-128137

しかし上述のように、メラミン系樹脂発泡体は脆い性質を有するので、従来のメラミン系樹脂発泡体から成る洗浄具にあっては、使用当初は形状を保持しながら研磨することが可能であるが、使用に伴って裂けたり、崩れたりして耐久性に欠けるとの問題がある。   However, as described above, since the melamine-based resin foam has a brittle property, a cleaning tool made of a conventional melamine-based resin foam can be polished while maintaining its shape at the beginning of use. However, there is a problem that the film is torn or collapsed with use and lacks durability.

従って、研磨に用いられる表面以外の部分については、研磨材として使用する以前に裂けたり、崩れたりして破棄せざるを得なくなることが多い。このように研磨に用いられるのは、表面部分だけであるにも拘わらず、その直方体形状全体をメラミン系樹脂発泡体で形成しているので、経済的でないとの問題もある。   Therefore, a portion other than the surface used for polishing is often broken or broken before being used as an abrasive and must be discarded. Although only the surface portion is used for polishing in this way, the entire rectangular parallelepiped shape is formed of a melamine-based resin foam, so that there is a problem that it is not economical.

本発明の目的は、上述の課題を解消し、研磨性と耐久性とを有する清掃具及び該清掃具の製造方法を提供することにある。   An object of the present invention is to solve the above-mentioned problems and to provide a cleaning tool having abrasiveness and durability and a method for manufacturing the cleaning tool.

上述の目的を達成するための清掃具は、基材層と、該基材層に隣接する接着層又は粘着層と、前記接着層又は前記粘着層に隣接する研磨層とを備える清掃具であって、前記研磨層はメラミン系樹脂発泡体を粉砕して得られた多数の研磨材から成ることを特徴とする。 A cleaning tool for achieving the above-mentioned object is a cleaning tool including a base layer, an adhesive layer or an adhesive layer adjacent to the base layer, and a polishing layer adjacent to the adhesive layer or the adhesive layer. The polishing layer is made of a number of abrasives obtained by pulverizing a melamine-based resin foam.

上述の目的を達成するための清掃具を製造する方法は、清掃具を製造する方法であって、メラミン系樹脂発泡体を粉砕して多数の研磨材を得る工程と、基材に接着剤又は粘着剤を塗布する工程と、前記基材に塗布された前記接着剤又は前記粘着剤に、前記多数の粉状の研磨材を付着させる工程とを含むことを特徴とする。   A method of manufacturing a cleaning tool to achieve the above-described object is a method of manufacturing a cleaning tool, in which a melamine-based resin foam is crushed to obtain a large number of abrasives, and an adhesive or The method includes a step of applying an adhesive, and a step of attaching the plurality of powdery abrasives to the adhesive or the adhesive applied to the base material.

本発明に係る清掃具及び該清掃具の製造方法によれば、基材層がメラミン樹脂発泡体以外のものから構成されているため、使用時に捩れが生じても裂けることがなく、崩れることもない。この耐久性の向上により、従来のメラミン系樹脂発泡体のみから成る清掃具よりも強い力を加えることができ、相乗的に研磨性も向上する。   According to the cleaning tool and the manufacturing method of the cleaning tool according to the present invention, since the base layer is formed of a material other than the melamine resin foam, it does not tear even if twisted during use, and does not collapse. Absent. Due to this improvement in durability, a stronger force can be applied than in a conventional cleaning tool made of only a melamine-based resin foam, and the polishing property can be synergistically improved.

また、清掃具の厚さを薄くすることができるため、清掃対象面が曲面である場合でも、その形状に応じて清掃具を変形させることが可能である。また、接触面積を大きくすることができるため、効率的に清掃することが可能である。   Further, since the thickness of the cleaning tool can be reduced, even when the surface to be cleaned is a curved surface, the cleaning tool can be deformed according to its shape. In addition, since the contact area can be increased, cleaning can be performed efficiently.

実施例の清掃具の斜視図である。It is a perspective view of the cleaning tool of an Example. 断面図である。It is sectional drawing.

図１は実施例の清掃具１の斜視図、図２は断面図である。清掃具１は、基材層２と接着層３と研磨層４とを備える三層構造の積層体とされている。   FIG. 1 is a perspective view of a cleaning tool 1 according to an embodiment, and FIG. 2 is a cross-sectional view. The cleaning tool 1 is a laminate having a three-layer structure including a base material layer 2, an adhesive layer 3, and a polishing layer 4.

清掃具１の厚みは０．２〜１．０ｍｍ程度であり、大きさは縦１００ｍｍ、横１５０ｍｍ程度であり、用途に応じて適宜の大きさのものを用意し、使用することができる。   The thickness of the cleaning tool 1 is about 0.2 to 1.0 mm, the size is about 100 mm in length and about 150 mm in width, and a suitable size can be prepared and used according to the application.

基材層２は清掃具１の形状を決定し、その形状を安定させると共に、使用者が手指で把持するための部分をなす層である。この基材層２はメラミン系樹脂発泡体以外のものから成り、例えば不織布、織編物から構成されている。不織布の場合には、ポリエステル、レーヨン等から製造され、目付が２５〜５０ｇ／平方メートル程度のものを利用することが好ましい。   The base material layer 2 is a layer that determines the shape of the cleaning tool 1, stabilizes the shape, and forms a part for the user to grasp with his / her fingers. The base material layer 2 is made of a material other than the melamine-based resin foam, and is made of, for example, a nonwoven fabric or a woven or knitted fabric. In the case of a non-woven fabric, it is preferable to use a non-woven fabric having a basis weight of about 25 to 50 g / sq.m.

また、基材層２はこれらの構成物以外に、その他の布帛、紙、プラスチック又はゴム等から成るシート体により構成してもよく、シート体は清掃具１を薄くできるので好ましいが、ブロック体により構成するようにしてもよい。   In addition, the base material layer 2 may be constituted by a sheet body made of other cloth, paper, plastic, rubber, or the like in addition to these components. May be configured.

接着層３は、基材層２に隣接すると共に、研磨層４とも隣接する層である。即ち、接着層３は基材層２と研磨層４の間に位置し、これらの層を連結する。   The adhesive layer 3 is a layer adjacent to the base layer 2 and also adjacent to the polishing layer 4. That is, the adhesive layer 3 is located between the base material layer 2 and the polishing layer 4, and connects these layers.

この接着層３は、基材層２に塗布した接着剤が硬化して成る層であり、基材層２側とは反対側に位置する面においては、後述するように多数の粉状の研磨材５が担持されて研磨層４をなしている。   The adhesive layer 3 is a layer formed by curing an adhesive applied to the base material layer 2, and a surface located on the side opposite to the base material layer 2 side has a large number of powdery abrasives as described later. The material 5 is carried to form the polishing layer 4.

接着層３である接着剤は、基材層２に接着できると共に、研磨材５を担持できれば特に限定されず、例えば遅延結晶型のホットメルト接着剤を採用することができる。また、接着層３に代えて、シリコーン系、ゴム系等の粘着剤から成る粘着層を用いてもよく、粘着層の場合も接着層３同様に研磨材５を担持している。   The adhesive serving as the adhesive layer 3 is not particularly limited as long as it can adhere to the base material layer 2 and can carry the abrasive 5. For example, a delayed crystal type hot melt adhesive can be employed. Further, instead of the adhesive layer 3, an adhesive layer made of a silicone-based or rubber-based adhesive may be used. In the case of the adhesive layer, similarly to the adhesive layer 3, the abrasive 5 is carried.

研磨層４は接着層３に隣接する層であり、研磨層４は接着層３を介して、基材層２と連結されている。この研磨層４はメラミン系樹脂発泡体を粉砕して得られる多数の粉状の研磨材５から成る。   The polishing layer 4 is a layer adjacent to the adhesive layer 3, and the polishing layer 4 is connected to the base material layer 2 via the adhesive layer 3. The polishing layer 4 is composed of a large number of powdery abrasives 5 obtained by pulverizing a melamine resin foam.

粉状の研磨材５は、硬くて微細な骨格構造を備えており、研磨性に優れるものとなっている。研磨材の粒子径は、メラミン系樹脂発泡体に由来する骨格構造を損なわない程度であればよく、例えば５０〜１０００μｍ程度であることが好ましい。   The powdery abrasive 5 has a hard and fine skeletal structure, and is excellent in abrasiveness. The particle size of the abrasive may be such that the skeleton structure derived from the melamine-based resin foam is not impaired, and is preferably, for example, about 50 to 1000 μm.

そして、粉状の研磨材５は、その一部が接着層３の内部に埋没されており、一部以外の部分が接着層３の表面から露出しており、この露出している部分により研磨層４が形成されている。   A part of the powdery abrasive 5 is buried in the adhesive layer 3, and a part other than the part is exposed from the surface of the adhesive layer 3. Layer 4 is formed.

なお、図１、図２では研磨層４の研磨材５間に間隙があるように図示しているが、研磨層４は粉状の研磨材５を隙間なく満遍に面状に分散されている。また、図２の粉状の研磨材５は理解し易い球状として図示しているが、粉砕された粉状の研磨材５は多様な多角形形状をしている。   Although FIGS. 1 and 2 show that there is a gap between the abrasives 5 of the polishing layer 4, the polishing layer 4 is obtained by uniformly dispersing the powdery abrasive 5 in a planar manner without any gap. I have. Although the powdered abrasive 5 in FIG. 2 is illustrated as a spherical shape that is easy to understand, the ground powdered abrasive 5 has various polygonal shapes.

接着層３及び研磨層４は、基材層２全面に配置してもよいし、基材層２に対してスポット的に接着層３及び研磨層４を配置するようにしてもよい。また、接着層３及び研磨層４を基材層２の両面に配置することもできる。   The adhesive layer 3 and the polishing layer 4 may be arranged on the entire surface of the base material layer 2, or the adhesive layer 3 and the polishing layer 4 may be arranged on the base material layer 2 in a spot manner. Further, the adhesive layer 3 and the polishing layer 4 can be arranged on both surfaces of the base material layer 2.

清掃具１を製造する方法として、先ずメラミン系樹脂発泡体を用意し、これを粉砕機等により粉砕し、メラミン系樹脂発泡体の粉体を得る。次に、この粉体を篩にかけて、所定の範囲の粒子径の粉体を選別し、所望の大きさの粉状の研磨材５を得る。なお、篩にかける処理は省略してもよい。   As a method of manufacturing the cleaning tool 1, first, a melamine-based resin foam is prepared, and this is pulverized by a pulverizer or the like to obtain a powder of the melamine-based resin foam. Next, the powder is sieved to select a powder having a particle diameter within a predetermined range, and a powdery abrasive 5 having a desired size is obtained. The sieving process may be omitted.

次に、基材層２の一方の表面に接着剤、例えば遅延結晶型のホットメルト接着剤を塗布する。そして、基材に塗布された接着剤が硬化する前に粉状の研磨材５を例えば静電塗布方式を用いて付着させる。   Next, an adhesive, for example, a delayed crystal type hot melt adhesive is applied to one surface of the base material layer 2. Then, before the adhesive applied to the base material is cured, the powdery abrasive 5 is adhered using, for example, an electrostatic coating method.

この静電塗布方式とは、先ず正極側に基材層２を配置し、負極側に粉状の研磨材５を噴霧する噴霧装置を配置し、負極側に直流高電圧を印加して両極間に静電気を発生させる。続いて、粉状の研磨材５を帯電させることで、粉状の研磨材５が静電気に吸い寄せられて基材層２の接着層３に付着することになる。   In the electrostatic coating method, first, the base material layer 2 is arranged on the positive electrode side, a spraying device for spraying the powdery abrasive 5 is arranged on the negative electrode side, To generate static electricity. Subsequently, by charging the powdered abrasive 5, the powdered abrasive 5 is attracted to the static electricity and adheres to the adhesive layer 3 of the base material layer 2.

このように、粉状の研磨材５を接着層３に付着させることにより、研磨材５を接着層３の接着材の内部に埋没させることなく、研磨材５の一部を接着層３の表面から露出させることができる。   As described above, by attaching the powdery abrasive 5 to the adhesive layer 3, a part of the abrasive 5 can be removed from the surface of the adhesive layer 3 without burying the abrasive 5 inside the adhesive of the adhesive layer 3. Can be exposed from.

なお、接着層３に代えて、上述の粘着層を採用した場合も、同様に粉状の研磨材５を、基材層２に粘着剤を塗布した粘着層に付着させることができる。   When the above-mentioned adhesive layer is used instead of the adhesive layer 3, the powdery abrasive 5 can be similarly adhered to the adhesive layer obtained by applying the adhesive to the base layer 2.

次に、接着層３に付着しなかった余剰の研磨材５を振動、エア吹き等により除去する。余剰の研磨材５を除去した後に接着剤が硬化することで、基材層２に対して接着層３及び研磨層４が形成され、清掃具１が完成する。   Next, surplus abrasive 5 not adhering to the adhesive layer 3 is removed by vibration, air blowing, or the like. The adhesive cures after removing the surplus abrasive 5, whereby the adhesive layer 3 and the polishing layer 4 are formed on the base layer 2, and the cleaning tool 1 is completed.

なお、研磨材５の量は、接着層３に付着しなかった余剰分を振り落とす程度の量が適量である。適量値よりも或る程度少ない場合には、接着層３に付着しなかった余剰の研磨材５を除去する工程は不要である。   The appropriate amount of the abrasive 5 is such that the surplus that has not adhered to the adhesive layer 3 is shaken off. If the value is somewhat smaller than the appropriate value, the step of removing the surplus abrasive 5 not adhering to the adhesive layer 3 is unnecessary.

また、基材層２の両面に接着層３及び研磨層４を形成する場合には、裏面に対しても上述の接着層３及び研磨層４を形成する工程を繰り返すことになる。   Further, when the adhesive layer 3 and the polishing layer 4 are formed on both surfaces of the base material layer 2, the above-described step of forming the adhesive layer 3 and the polishing layer 4 on the back surface is repeated.

清掃具１を使用する方法として、研磨層４を清掃対象に接した状態で、基材層２を手で保持して清掃具１を移動させる。この移動により、研磨層４を構成する研磨材５が清掃対象面を研磨し、清掃対象面に付着している汚れを擦り取る。   As a method of using the cleaning tool 1, the cleaning tool 1 is moved while holding the base material layer 2 by hand in a state where the polishing layer 4 is in contact with the object to be cleaned. By this movement, the abrasive 5 constituting the polishing layer 4 polishes the surface to be cleaned, and scrapes off dirt attached to the surface to be cleaned.

そして、汚れを擦り取る研磨力の低下に伴って、清掃具１を破棄して新しい清掃具１を使用する。なお、清掃具１を使用する際は、水を含有させた後に清掃対象面を研磨するようにしてもよい。   Then, the cleaning tool 1 is discarded and a new cleaning tool 1 is used with a decrease in the polishing force for scraping the dirt. When the cleaning tool 1 is used, the surface to be cleaned may be polished after containing water.

また、基材層２として水解性の素材を採用し、併せて水解性を有する接着層３又は粘着層を採用した清掃具１を用いることで、トイレの便器等を清掃後に使用済みの清掃具１をそのまま下水に流すことが可能となる。   In addition, by using a water-disintegrable material as the base material layer 2 and using the cleaning tool 1 employing the water-disintegrating adhesive layer 3 or the adhesive layer, the used cleaning tool after cleaning a toilet bowl or the like is used. It becomes possible to make 1 flow into sewage as it is.

清掃具１は、基材層２がメラミン樹脂発泡体以外のものから構成されているため、使用時に捩れが生じても裂けることがなく、崩れることもない。この耐久性の向上により、従来のメラミン系樹脂発泡体から成る清掃具よりも強い力を加えることができ、相乗的に研磨性も向上する。   Since the base material layer 2 is made of a material other than the melamine resin foam, the cleaning tool 1 does not tear or break even if it is twisted during use. Due to this improvement in durability, a stronger force can be applied than in a cleaning tool made of a conventional melamine-based resin foam, and the abrasiveness can be synergistically improved.

また、従来のメラミン樹脂発泡体から成る清掃具は、使用により崩れてゆくため、表面以外の硬くて微細な骨格構造を利用することなく破棄しており無駄が多かった。これに対して、本発明の清掃具１によれば、研磨層４のみに研磨材５である少量のメラミン樹脂発泡体を使用するため、上述のように無駄にメラミン系樹脂発泡体が破棄されることはない。   In addition, since a conventional cleaning tool made of a melamine resin foam collapses when used, it is discarded without using a hard and fine skeletal structure other than the surface, resulting in a lot of waste. On the other hand, according to the cleaning tool 1 of the present invention, since a small amount of the melamine resin foam, which is the abrasive 5, is used only for the polishing layer 4, the melamine-based resin foam is wastefully discarded as described above. Never.

また、清掃具１の厚さを薄くすることができるため、清掃対象面が曲面である場合でも、その形状に応じて清掃具を変形させることが可能である。また、接触面積を大きくすることができるため、効率的に清掃することが可能である。   Further, since the thickness of the cleaning tool 1 can be reduced, even when the surface to be cleaned is a curved surface, the cleaning tool can be deformed according to its shape. In addition, since the contact area can be increased, cleaning can be performed efficiently.

１ 清掃具
２ 基材層
３ 接着層
４ 研磨層
５ 研磨材 DESCRIPTION OF SYMBOLS 1 Cleaning tool 2 Base material layer 3 Adhesive layer 4 Polishing layer 5 Abrasive

Claims (10)

基材層と、該基材層に隣接する接着層又は粘着層と、前記接着層又は前記粘着層に隣接する研磨層とを備える清掃具であって、
前記研磨層はメラミン系樹脂発泡体を粉砕して得られた多数の研磨材から成ることを特徴とする清掃具。 A cleaning tool comprising a base layer, an adhesive layer or an adhesive layer adjacent to the base layer, and a polishing layer adjacent to the adhesive layer or the adhesive layer,
The polishing tool according to claim 1, wherein the polishing layer is made of a number of abrasives obtained by pulverizing a melamine resin foam. 前記基材層の両面に、前記接着層又は前記粘着層、及び前記研磨層が形成されていることを特徴とする請求項１に記載の清掃具。   The cleaning tool according to claim 1, wherein the adhesive layer or the adhesive layer and the polishing layer are formed on both surfaces of the base layer. 前記基材層と、前記接着層又は前記粘着層とは、水解性を有する素材から成ることを特徴とする特徴とする請求項１又は２に記載の清掃具。   The cleaning tool according to claim 1, wherein the base material layer and the adhesive layer or the adhesive layer are made of a water-disintegrable material. 前記研磨材の大きさは５０〜１０００μｍであることを特徴とする請求項１〜３の何れか１項に記載の清掃具。   The size of the said abrasive is 50-1000 micrometers, The cleaning tool of any one of Claims 1-3 characterized by the above-mentioned. 前記清掃具の厚さは０．２〜１．０ｍｍであることを特徴とする請求項１〜４の何れか１項に記載の清掃具。   The cleaning tool according to any one of claims 1 to 4, wherein a thickness of the cleaning tool is 0.2 to 1.0 mm. 清掃具を製造する方法であって、
メラミン系樹脂発泡体を粉砕して多数の研磨材を得る工程と、
基材に接着剤又は粘着剤を塗布する工程と、
前記基材に塗布された前記接着剤又は前記粘着剤に、前記多数の粉状の研磨材を付着させる工程とを含むことを特徴とする清掃具を製造する方法。 A method of manufacturing a cleaning tool, comprising:
A step of pulverizing the melamine-based resin foam to obtain a large number of abrasives,
A step of applying an adhesive or a pressure-sensitive adhesive to the substrate,
Adhering the plurality of powdered abrasives to the adhesive or the pressure-sensitive adhesive applied to the base material. 前記接着剤又は前記粘着剤に付着しなかった余分な前記研磨材を除去する工程とを含むことを特徴とする請求項６に記載の清掃具を製造する方法。   Removing the excess abrasive that has not adhered to the adhesive or the pressure-sensitive adhesive. 前記基材と、前記接着剤又は前記粘着剤とは、水解性を有する素材から成ることを特徴とする特徴とする請求項６又は７に記載の清掃具を製造する方法。   The method for manufacturing a cleaning tool according to claim 6, wherein the base material and the adhesive or the pressure-sensitive adhesive are made of a material having water dissolvability. 前記研磨材の大きさは５０〜１０００μｍであることを特徴とする請求項５又は６に記載の清掃具を製造する方法。   The method for manufacturing a cleaning tool according to claim 5, wherein the size of the abrasive is 50 to 1000 μm. 前記清掃具の厚さは０．２〜１．０ｍｍであることを特徴とする請求項５〜７の何れか１項に記載の清掃具を製造する方法。   The method for manufacturing a cleaning tool according to any one of claims 5 to 7, wherein the thickness of the cleaning tool is 0.2 to 1.0 mm.
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