JP3188769U - Resin molded product with excellent hydrophilicity - Google Patents

Resin molded product with excellent hydrophilicity Download PDF

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JP3188769U
JP3188769U JP2013006720U JP2013006720U JP3188769U JP 3188769 U JP3188769 U JP 3188769U JP 2013006720 U JP2013006720 U JP 2013006720U JP 2013006720 U JP2013006720 U JP 2013006720U JP 3188769 U JP3188769 U JP 3188769U
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resin molded
molded product
protrusions
protrusion
excellent hydrophilicity
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三志 曽我部
三志 曽我部
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Tanazawa Hakkosha Co Ltd
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Tanazawa Hakkosha Co Ltd
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Abstract

【課題】表面に微細な凹凸を形成することで、親水性にすぐれる樹脂成形品を提供する。【解決手段】本考案に係る親水性にすぐれる樹脂成形品10は、表面に、直径1mm〜3.5mmの突部20が複数形成されており、前記突部は、隣り合う突部どうしの間隔が0.3mm〜1.5mmである。前記突部は、高さ0.08mm〜0.2mmとすることが望ましい。また、前記表面には、前記突部の集合からなる突部群30を複数形成することが望ましい。【選択図】図2PROBLEM TO BE SOLVED: To provide a resin molded product having excellent hydrophilicity by forming fine irregularities on a surface. SOLUTION: A resin molded product 10 having excellent hydrophilicity according to the present invention has a plurality of protrusions 20 having a diameter of 1 mm to 3.5 mm formed on the surface thereof, and the protrusions are formed between adjacent protrusions. The interval is 0.3 mm to 1.5 mm. It is desirable that the protrusion has a height of 0.08 mm to 0.2 mm. Further, it is desirable to form a plurality of protrusion groups 30 composed of a set of protrusions on the surface. [Selection diagram] Fig. 2

Description

本考案は、親水性にすぐれる樹脂成形品に関するものである。   The present invention relates to a resin molded product having excellent hydrophilicity.

自動車や家屋、浴室などの内装部品、家電製品などに、樹脂成形品が採用されている。これら樹脂成形品の親水性を高めるために、特許文献1では、基材となる樹脂成形品の表面に親水性のポリエーテルウレタンと多価アルコール及び/又は糖類を含む処理液を塗布し、乾燥させることで被膜を形成している。   Resin molded products are used in interior parts such as automobiles, houses, bathrooms, and home appliances. In order to increase the hydrophilicity of these resin molded products, in Patent Document 1, a treatment liquid containing hydrophilic polyether urethane and a polyhydric alcohol and / or saccharide is applied to the surface of the resin molded product serving as a base material and dried. To form a film.

特開2004−307548号公報JP 2004-307548 A

しかしながら、このような被膜を形成するために、処理液を塗布、乾燥させる工程が必要となる。また、被膜は表面を擦ったり、水分等の付着、光照射、経年劣化などによって剥がれてしまうことがあり、長期に亘って樹脂成形品の表面の親水性を維持できない問題がある。   However, in order to form such a film, a process of applying and drying the treatment liquid is required. Further, the coating film may be peeled off by rubbing the surface, adhesion of moisture or the like, light irradiation, aging deterioration, etc., and there is a problem that the hydrophilicity of the surface of the resin molded product cannot be maintained over a long period of time.

本考案は、表面に微細な凹凸を形成することで、親水性にすぐれる樹脂成形品を提供することを目的とする。   An object of the present invention is to provide a resin molded product having excellent hydrophilicity by forming fine irregularities on the surface.

本考案に係る親水性にすぐれる樹脂成形品は、
樹脂成形品であって、
表面に、直径1mm〜3.5mmの突部が複数形成されており、
前記突部は、隣り合う突部どうしの間隔が0.3mm〜1.5mmである。
The resin molded product with excellent hydrophilicity according to the present invention is
A resin molded product,
A plurality of protrusions having a diameter of 1 mm to 3.5 mm are formed on the surface,
The protrusion has an interval between adjacent protrusions of 0.3 mm to 1.5 mm.

前記突部は、高さ0.08mm〜0.2mmとすることが望ましい。   It is desirable that the protrusion has a height of 0.08 mm to 0.2 mm.

前記表面には、前記突部の集合からなる突部群を複数形成してもよい。   On the surface, a plurality of protrusion groups composed of the set of protrusions may be formed.

また、前記突部群は、1.6mm〜3.0mmの間隔を存した間隙部を挟んで形成することが望ましい。   In addition, it is desirable that the protrusion group is formed with a gap having a gap of 1.6 mm to 3.0 mm.

本考案の樹脂成形品によれば、上記の如く規定された複数の突部を形成することで、樹脂成形品の表面積を大きくすることができる。これにより、水滴等が表面になじみやすくなり、樹脂成形品の表面の濡れ性を高めることができ、親水性にすぐれる樹脂成形品を提供できる。特に、突部の直径が1mm〜3.5mm、隣り合う突部どうしの間隔が0.3mm〜1.5mmの場合に親水性の向上効果は高い。   According to the resin molded product of the present invention, the surface area of the resin molded product can be increased by forming the plurality of protrusions defined as described above. Thereby, water droplets and the like can be easily adapted to the surface, the wettability of the surface of the resin molded product can be improved, and a resin molded product having excellent hydrophilicity can be provided. In particular, when the diameter of the protrusions is 1 mm to 3.5 mm and the distance between adjacent protrusions is 0.3 mm to 1.5 mm, the effect of improving hydrophilicity is high.

また、突部の集合からなる突部群を複数形成することで、突部群には親水性を具備できる。   In addition, by forming a plurality of protrusion groups composed of a set of protrusions, the protrusion groups can have hydrophilicity.

図1は、本考案に係る突部の形成された樹脂成形品の断面図である。FIG. 1 is a cross-sectional view of a resin molded product having protrusions according to the present invention. 図2は、本考案に係る突部群の形成された樹脂成形品の平面図である。FIG. 2 is a plan view of a resin molded product in which a protrusion group according to the present invention is formed. 図3は、実施例において採用した親水・撥水性評価に用いた器具の説明図である。FIG. 3 is an explanatory diagram of the instrument used for the hydrophilicity / water repellency evaluation employed in the examples.

以下、本考案の一実施例について、図面を用いて詳述する。本考案における樹脂成形品は、ABS樹脂、ポリ塩化ビニル樹脂、ポリプロピレン樹脂などの熱可塑性樹脂や、フェノール樹脂、尿素樹脂、メラミン樹脂、アルキド樹脂などの熱硬化性樹脂から作製することができる。また、樹脂成形品の形状や寸法、厚さなどは特に限定されるものではなく、その用途により適宜決定することができる。   Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. The resin molded product in the present invention can be produced from thermoplastic resins such as ABS resin, polyvinyl chloride resin, and polypropylene resin, and thermosetting resins such as phenol resin, urea resin, melamine resin, and alkyd resin. In addition, the shape, size, thickness, and the like of the resin molded product are not particularly limited, and can be appropriately determined depending on the application.

樹脂成形品10は、図1に示すように、複数の突部20を表面に形成している。
各突部20は、夫々直径R1mm〜3.5mm、望ましくは高さH0.08mm〜0.2mmである。隣り合う突部20どうしの間隔Wは、0.3mm〜1.5mmが好適である。図示の実施形態では、突部20は、突部20に沿う高さ方向の断面は矩形であるが、先端が細くなる台形形状や半円形状等としてもよい。また、突部20の横断面形状は、円形、楕円形、矩形、三角形、六角形等を採用できる。
As shown in FIG. 1, the resin molded product 10 has a plurality of protrusions 20 formed on the surface thereof.
Each protrusion 20 has a diameter R1 mm to 3.5 mm, preferably a height H0.08 mm to 0.2 mm. The interval W between the adjacent protrusions 20 is preferably 0.3 mm to 1.5 mm. In the illustrated embodiment, the protrusion 20 has a rectangular cross section in the height direction along the protrusion 20, but may have a trapezoidal shape, a semicircular shape, or the like with a thin tip. Moreover, the cross-sectional shape of the protrusion 20 can employ a circle, an ellipse, a rectangle, a triangle, a hexagon, and the like.

突部20は、すべてが同じ形状とする必要はなく、上記規定の範囲で種々の突部20を樹脂成形品10の表面に形成することができる。また、突部20どうしの間隔も均一にする必要はない。   The protrusions 20 need not all have the same shape, and various protrusions 20 can be formed on the surface of the resin molded product 10 within the above-specified range. Further, it is not necessary to make the intervals between the protrusions 20 uniform.

突部20は、樹脂成形品10の表面全体に設けることができる。もちろん、突部20は、樹脂成形品10の一部に設けることもできる。また、後述する図2に示すように、複数の突部20を一塊とした集合からなる突部群30を複数形成したものであってもよい。   The protrusion 20 can be provided on the entire surface of the resin molded product 10. Of course, the protrusion 20 can also be provided on a part of the resin molded product 10. Moreover, as shown in FIG. 2 to be described later, a plurality of protrusion groups 30 formed by a set of a plurality of protrusions 20 may be formed.

上記の如き突部20は、樹脂成形品10の射出成形やブロー成形により作製することができる。この場合、金型に、突部20に対応する凹凸を形成することで成形を行なう。   The protrusion 20 as described above can be produced by injection molding or blow molding of the resin molded product 10. In this case, molding is performed by forming irregularities corresponding to the protrusions 20 on the mold.

上記の如き突部20を形成することで、樹脂成形品10の表面積を大きくすることができる。これにより、水滴等が表面になじみやすくなり、樹脂成形品10の表面の濡れ性を高めることができ、樹脂成形品10の親水性を向上させることができる。   By forming the protrusions 20 as described above, the surface area of the resin molded product 10 can be increased. Thereby, a water droplet etc. become easy to adjust to the surface, the wettability of the surface of the resin molded product 10 can be improved, and the hydrophilicity of the resin molded product 10 can be improved.

本考案の樹脂成形品10は、特に、水滴の滴りを抑えたい箇所、たとえば、浴室の天井への適用が好適である。   The resin molded article 10 of the present invention is particularly suitable for application to a location where water droplets are desired to be suppressed, for example, the ceiling of a bathroom.

図2は、複数の突部20を一回とした集合かならなる突部群30を樹脂成形品10の表面に複数形成した実施形態である。   FIG. 2 is an embodiment in which a plurality of protrusion groups 30 formed on a surface of the resin molded product 10 are formed as a set of a plurality of protrusions 20 at one time.

突部群30として、例示のために、菱形の突部群30a、正方形の突部群30b、六角形の突部群30c、円形の突部群30dを示しているが、各突部群30を構成する突部20の数や形状、突部群30の形状、大きさは適宜設定することができる。たとえば、突部群30は、60mm〜100mmの矩形や六角形とし、突部群30どうしは、1.6mm〜3.0mmの間隔を存した間隙部32を挟んで形成することが好適である。   As the protrusion group 30, for the sake of illustration, a rhomboid protrusion group 30a, a square protrusion group 30b, a hexagonal protrusion group 30c, and a circular protrusion group 30d are shown. The number and shape of the protrusions 20 constituting the shape and the shape and size of the protrusion group 30 can be set as appropriate. For example, the protrusion group 30 is preferably a rectangle or hexagon of 60 mm to 100 mm, and the protrusion groups 30 are preferably formed with a gap 32 having an interval of 1.6 mm to 3.0 mm interposed therebetween. .

突部群30の形状や配置を模様化することで、親水性且つ排水性を具備しながら、樹脂成形品10の意匠性を高めることもできる。   By patterning the shape and arrangement of the protrusion group 30, the design of the resin molded product 10 can be enhanced while having hydrophilicity and drainage.

図1に示す突部20を形成した樹脂成形品10(本考案例)と、比較例とを夫々作製し、その親水性の度合いを「良い、普通、悪い」の三段階で評価した。   A resin molded product 10 (example of the present invention) formed with the protrusions 20 shown in FIG. 1 and a comparative example were produced, and the degree of hydrophilicity was evaluated in three stages, “good, normal, and bad”.

本考案例の樹脂成形品10は、ABS樹脂から構成され、表面に直径Rが1mm、高さHが0.1mmである突部20を、間隔Wが0.3mmとなるように形成した板材40である。   The resin molded product 10 of the present invention example is a plate material that is made of ABS resin, and is formed with protrusions 20 having a diameter R of 1 mm and a height H of 0.1 mm on the surface so that the interval W is 0.3 mm. 40.

また、比較例の樹脂成形品は、ABS樹脂から構成され、表面に直径Rが4mm、高さHが0.25mmである突部を、間隔Wが2.5mmとなるように形成した板材40である。   Further, the resin molded product of the comparative example is made of ABS resin, and has a plate member 40 formed with protrusions having a diameter R of 4 mm and a height H of 0.25 mm on the surface so that the interval W is 2.5 mm. It is.

親水性の比較試験は、図3に示す器具50を用いて行なった。図に示す器具50は、台座52から上方に延びる柱体54に支持板56が形成されており、支持板56に板材40の一端を載せて、板材40が30°傾くように支持したものである。   The hydrophilicity comparison test was performed using the instrument 50 shown in FIG. The instrument 50 shown in the figure has a support plate 56 formed on a column 54 extending upward from a pedestal 52, and supports one end of the plate material 40 on the support plate 56 so that the plate material 40 is inclined by 30 °. is there.

板材40には、約1mL〜2mLの水滴58を垂らし、水滴58が50mmの距離を流れ落ちる時間を比較した。   About 1 mL to 2 mL of water droplets 58 were dropped on the plate member 40, and the time when the water droplets 58 flowed down a distance of 50 mm was compared.

本考案例は、水滴58が板材40上の突部20に当たってじわりと広がり、流れ落ちなかった。一方、比較例は、水滴58が突部に当たるが、水滴58が板材40上で広がることなく液滴形状を保ったまま、50mmを約2秒で滑り落ちた。   In the example of the present invention, the water droplets 58 hit the protrusions 20 on the plate 40 and spread gradually and did not flow down. On the other hand, in the comparative example, the water droplet 58 hits the protrusion, but the water droplet 58 did not spread on the plate 40 and slipped down 50 mm in about 2 seconds.

本考案の樹脂成形品10によれば、表面に上記規定された突部20を形成した結果、水への濡れ性を高めることができることがわかる。   According to the resin molded product 10 of the present invention, it can be seen that the wettability to water can be improved as a result of the formation of the above-defined protrusions 20 on the surface.

上記実施例の説明は、本考案を説明するためのものであって、実用新案登録請求の範囲に記載の考案を限定し、或は範囲を減縮する様に解すべきではない。又、本考案の各部構成は上記実施例に限らず、実用新案請求の範囲に記載の技術的範囲内で種々の変形が可能であることは勿論である。   The description of the above embodiment is for explaining the present invention, and should not be construed to limit the invention described in the claims of the utility model registration or to reduce the scope. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and various modifications can be made within the technical scope described in the claims of the utility model.

10 樹脂成形品
20 突部
30 突部群
32 間隙部
10 resin molded product 20 protrusion 30 protrusion group 32 gap

Claims (3)

樹脂成形品であって、
表面に、直径1mm〜3.5mmの突部が複数形成されており、
前記突部は、隣り合う突部どうしの間隔が0.3mm〜1.5mmである、
ことを特徴とする親水性にすぐれる樹脂成形品。
A resin molded product,
A plurality of protrusions having a diameter of 1 mm to 3.5 mm are formed on the surface,
The protrusion has an interval between adjacent protrusions of 0.3 mm to 1.5 mm.
This is a resin molded product with excellent hydrophilicity.
前記突部は、高さ0.08mm〜0.2mmである、
請求項1に記載の親水性にすぐれる樹脂成形品。
The protrusion has a height of 0.08 mm to 0.2 mm.
The resin molded product having excellent hydrophilicity according to claim 1.
前記表面には、前記突部の集合からなる突部群を複数形成してなる、
請求項1又は請求項2に記載の親水性にすぐれる樹脂成形品。
The surface is formed with a plurality of protrusion groups consisting of a set of protrusions.
The resin molded product having excellent hydrophilicity according to claim 1 or 2.
JP2013006720U 2013-11-26 2013-11-26 Resin molded product with excellent hydrophilicity Expired - Lifetime JP3188769U (en)

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JP2013006720U JP3188769U (en) 2013-11-26 2013-11-26 Resin molded product with excellent hydrophilicity

Publications (1)

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JP3188769U true JP3188769U (en) 2014-02-06

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Country Link
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