JP2022047843A - Lacquered leather product manufacturing method and leather product manufactured by the same - Google Patents

Lacquered leather product manufacturing method and leather product manufactured by the same Download PDF

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JP2022047843A
JP2022047843A JP2020153849A JP2020153849A JP2022047843A JP 2022047843 A JP2022047843 A JP 2022047843A JP 2020153849 A JP2020153849 A JP 2020153849A JP 2020153849 A JP2020153849 A JP 2020153849A JP 2022047843 A JP2022047843 A JP 2022047843A
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lacquer
solution
plasticizer
powder
dry
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進 立松
Susumu Tatematsu
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Unetaya KK
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Abstract

To provide a lacquered leather product manufacturing method capable of acquiring a heavy appearance of lacquer similar to that of lacquer ware without causing such problems as cracking and surface cracking during use.SOLUTION: This lacquered leather product manufacturing method comprises: the plasticizer mixing step of mixing a lacquer solution with a plasticizer; the real dry lacquer powder mixing step of mixing the plasticizer-added lacquer solution with the powdery real dry power drying lacquer; the leaving step of leaving the lacquer solution mixed with the real dry lacquer powder in the real dry lacquer powder mixing step for a fixed period of time; and the coating step of coating a leather material with the lacquer left in the leaving step.SELECTED DRAWING: Figure 1

Description

本発明は、漆塗り皮革製品の製造方法及びその方法により製造された皮革製品の改良に関する。 The present invention relates to a method for manufacturing a lacquered leather product and an improvement of the leather product manufactured by the method.

一般に、皮革材の上に漆を塗布することにより、漆の風情が加わり興趣に富む皮革表面となることから、従来より、皮革材に漆を塗った皮革製品を製造したい、という要請があった。 In general, by applying lacquer on the leather material, the taste of lacquer is added and the leather surface becomes more interesting. Therefore, there has been a request from the past to manufacture leather products in which lacquer is applied to the leather material. ..

伝統的に「漆皮(しっぴ)」という皮革に漆を塗布する技法が存在する。この「漆皮」という技法は、裏打ちを施した皮や、なめし革の上に漆を塗布したものであり、箱等の表面部に漆を塗布して漆の風情のある表面部を形成するものである。
この場合、皮革表面にそのまま漆を塗布した場合には、漆が乾燥により固化することから、皮革そのものも固化してしまい、皮革の素材としての風情がなくなってしまいやすい、という問題がある。
Traditionally, there is a technique called "sippi" that applies lacquer to leather. This technique called "lacquer skin" is a technique in which lacquer is applied on a lined leather or tanned leather, and lacquer is applied to the surface of a box or the like to form a lacquer-like surface. be.
In this case, when lacquer is applied to the surface of the leather as it is, the lacquer is solidified by drying, so that the leather itself is also solidified, and there is a problem that the taste as a material of the leather tends to be lost.

一方、特許文献1には、皮革の漆被覆形成方法が記載されている。
この発明は、皮革に漆の被覆を薄く形成させ、その被覆層の表面はゴム質に、皮革との接着層はウルシオール質に形成させ、曲げることを可能とした皮革を得ることを目的とするものである。
On the other hand, Patent Document 1 describes a method for forming a lacquer coating on leather.
An object of the present invention is to form a thin coating of lacquer on leather, to form the surface of the coating layer to be rubbery, and to form an adhesive layer with leather to be urushiol, to obtain leather that can be bent. It is something to do.

しかしながら、本件従来技術にあっては、漆塗料をそのまま皮革材の表面に塗布するものであることから、漆塗料を皮革に塗布した場合には、皮革が漆材により固化してしまうこととなる。 However, in the prior art, the lacquer paint is applied to the surface of the leather material as it is. Therefore, when the lacquer paint is applied to the leather, the leather is solidified by the lacquer material. ..

従って、本件従来技術によって漆塗布後の皮革を曲げることは可能であったとしても、なお、皮革そのものが一定程度固化してしまい、皮革製品としての使用時に外力により曲げや折れ等の動作が皮革材に対して加わった場合にはひび割れ、表面亀裂等の発生の事態があり、使用時に商品の外観品質が劣化する可能性がある。 Therefore, even if it is possible to bend the leather after applying lacquer using the conventional technology, the leather itself will solidify to a certain extent, and when used as a leather product, the leather will bend or break due to external force. If it is applied to the material, cracks, surface cracks, etc. may occur, and the appearance quality of the product may deteriorate during use.

特開2011-32377号公報Japanese Unexamined Patent Publication No. 2011-323777

そこで、本発明の課題は、使用時にひび割れや表面亀裂の発生等の事態を招来せず、漆器と同様の重厚な漆の風情を得ることができる漆塗り皮革製品の製造方法を提供することにある。 Therefore, an object of the present invention is to provide a method for manufacturing a lacquer-coated leather product, which can obtain a heavy lacquer taste similar to that of lacquer ware without causing a situation such as cracks or surface cracks during use. be.

上記課題達成のため、請求項1記載の発明にあっては、漆塗り皮革製品の製造方法であって、溶液状の漆に可塑剤を混合する可塑剤混合工程と、漆を乾燥させた粉状の本乾漆粉を、前記可塑剤を加えた溶液状の漆に混合する本乾漆粉混合工程と、前記本乾漆粉混合工程により本乾漆粉が混合された溶液状の漆を一定期間にわたり放置する放置工程と、前記放置工程により放置した漆を皮革材に塗布する塗布工程とを備えることを特徴とする。
従って、本発明に係る漆塗り皮革製品の製造方法にあっては、溶液状の漆に可塑剤を混合させ、さらに、粉状の本乾漆粉と溶液状の漆とを混合し、その後放置した漆を皮革材に塗布して漆塗り皮革製品を製造するものである。
In order to achieve the above problems, the invention according to claim 1 is a method for manufacturing a lacquered leather product, which is a plasticizer mixing step of mixing a plasticizer with a solution lacquer and a powder obtained by drying the lacquer. The dry lacquer powder is mixed with the solution lacquer to which the plasticizer is added, and the solution lacquer mixed with the dry lacquer is left for a certain period of time. It is characterized by comprising a leaving step of applying the lacquer left by the leaving step to the leather material.
Therefore, in the method for producing a lacquered leather product according to the present invention, a plasticizer is mixed with the solution lacquer, and then the powdery dry lacquer powder and the solution lacquer are mixed and then left to stand. Lacquer is applied to leather materials to manufacture lacquered leather products.

本発明にあっては、可塑剤を漆に混合することにより、漆が乾燥して固化した場合であっても、所定の柔軟性を確保し、製品化されて使用された際に加えられる屈曲等の外力が作用した場合であっても、柔軟に撓み、表面亀裂が発生しないように構成されている。
また、漆塗り製品、いわゆる「漆器」は、複数回に亘って漆を「重ね塗り」することにより、漆器の独特な表面の質感、艶感が得られている。この場合、漆が乾燥してしまった場合には、漆本来の「重ね塗り」の可能な要素が失われてしまうこととなることから、本願発明にあっては、可塑剤を、溶液状の漆に対して混合するものである。
In the present invention, by mixing a plasticizer with lacquer, even when the lacquer is dried and solidified, a predetermined flexibility is ensured, and bending applied when the lacquer is commercialized and used. Even when an external force such as the above is applied, it flexibly bends and is configured so that surface cracks do not occur.
Further, in lacquer-coated products, so-called "lacquer ware", the unique surface texture and luster of lacquer ware are obtained by "overcoating" lacquer ware multiple times. In this case, if the lacquer is dried, the original "overcoating" element of the lacquer will be lost. Therefore, in the present invention, the plasticizer is used as a solution. It is mixed with lacquer.

ところで、漆塗製品の場合、複数回に亘り漆を重ね塗りすることにより、「漆器」独特の表面の艶感、質感、重厚感が得られるものである。
この場合、本件において、単に、溶液状の漆と可塑剤を混合させることにより得られる溶液状漆を皮革材に塗布したのみでは、漆本来の「重ね塗り」により得られる質感、艶感を得ることはできない。
そこで、本願発明にあっては、漆を乾燥させた粉状の本乾漆粉を、可塑剤を混入した溶液状の漆に混ぜることにより、漆独特の、漆器に相当する「重ね塗り」の質感、艶感を得るように構成されている。
By the way, in the case of a lacquer-coated product, the glossiness, texture, and profound feeling of the surface peculiar to "lacquer ware" can be obtained by repeatedly applying lacquer ware.
In this case, in this case, simply applying the solution lacquer obtained by mixing the solution lacquer and the plasticizer to the leather material gives the texture and luster obtained by the original "overcoating" of the lacquer. It is not possible.
Therefore, in the present invention, by mixing the powdered dry lacquer powder obtained by drying the lacquer with the solution lacquer mixed with the plasticizer, the texture of "layer coating" equivalent to lacquer ware, which is unique to lacquer ware. , It is configured to get a glossy feeling.

請求項2記載の発明にあっては、前記本乾漆粉は、溶液状の色付き漆を複数回塗った漆体を乾燥させ粉砕したものであることを特徴とする。 The invention according to claim 2 is characterized in that the dry lacquer powder is obtained by drying and pulverizing a lacquer body coated with a solution of colored lacquer a plurality of times.

請求項3記載の発明にあっては、前記放置工程は、前記本乾漆粉混合工程により混合した溶液状の漆を4日以上放置する工程であることを特徴とする。 The invention according to claim 3 is characterized in that the leaving step is a step of leaving the solution-like lacquer mixed by the dry lacquer powder mixing step for 4 days or more.

請求項4記載の発明にあっては、前記溶液状の漆及び前記粉状の本乾漆粉は色付き漆であって、同一色であることを特徴とする。 The invention according to claim 4 is characterized in that the solution-like lacquer and the powder-like dry lacquer powder are colored lacquer and have the same color.

請求項5記載の発明にあっては、前記可塑剤は、トリブチルホスフェートであることを特徴とする。 The invention according to claim 5 is characterized in that the plasticizer is tributyl phosphate.

請求項6記載の発明にあっては、前記溶液状の漆と、可塑剤との混合比率は1:1であることを特徴とする。この配合比率は、検査装置による多数回(2万回)の「漆を塗布した皮革材の屈曲テスト」に関する実験により得られたものである。 The invention according to claim 6 is characterized in that the mixing ratio of the solution-like lacquer and the plasticizer is 1: 1. This blending ratio was obtained by a large number of experiments (20,000 times) of "bending test of lacquered leather material" by an inspection device.

請求項7記載の発明にあっては、前記溶液状の漆は20g、前記可塑剤は5~20cc、前記本乾漆粉は3~10gであることを特徴とする。
この配合比率は、上記同様に、検査装置による多数回(2万回)の「漆を塗布した皮革材の屈曲テスト」に関する実験により得られたものである。
The invention according to claim 7 is characterized in that the solution-like lacquer is 20 g, the plasticizer is 5 to 20 cc, and the dry lacquer powder is 3 to 10 g.
This blending ratio was obtained by a large number of experiments (20,000 times) of "bending test of lacquered leather material" by an inspection device in the same manner as described above.

請求項8記載の発明にあっては、請求項1~7の製造方法により製造されたことを特徴とする。 The invention according to claim 8 is characterized in that it is manufactured by the manufacturing method according to claims 1 to 7.

請求項1記載の発明にあっては、漆塗り皮革製品の製造方法であって、溶液状の漆に可塑剤を混合する可塑剤混合工程と、漆を乾燥させた粉状の本乾漆粉を、前記可塑剤を加えた溶液状の漆に混合する本乾漆粉混合工程と、前記本乾漆粉混合工程により本乾漆粉が混合された溶液状の漆を一定期間にわたり放置する放置工程と、前記放置工程により放置した漆を皮革材に塗布する塗布工程とを備え、溶液状の漆に可塑剤を混合させ、さらに、粉状の本乾漆粉と溶液状の漆とを混合し、その後放置した漆を皮革材に塗布して漆塗り皮革製品を製造するように構成されていることから、製造された漆塗り皮革製品は、漆層が表面に形成され、皮革製品でありながら漆の風情が得られるため、従来からの要請に応じて、皮革製品としての趣向性を高めることができる。 The invention according to claim 1 is a method for manufacturing a lacquered leather product, in which a plasticizer mixing step of mixing a plasticizer with a solution lacquer and a powdery dry lacquer powder obtained by drying the lacquer are used. The dry lacquer mixing step of mixing with the solution lacquer to which the plasticizer is added, the leaving step of leaving the solution lacquer mixed with the dry lacquer by the dry lacquer mixing step for a certain period, and the above-mentioned It is equipped with a coating step of applying the lacquer left unattended by the leaving step to the leather material, mixing the plasticizer with the solution lacquer, further mixing the powdery dry lacquer powder and the solution lacquer, and then leaving it. Since lacquer is applied to leather materials to manufacture lacquered leather products, the manufactured lacquered leather products have a lacquer layer formed on the surface, and although they are leather products, they have the taste of lacquer. Therefore, it is possible to enhance the taste as a leather product in response to a conventional request.

また、可塑剤が混合されていることから、例えば、財布等の漆塗り皮革製品の日常における使用時に屈曲等の外力が作用した場合であっても、ひび割れ等の表面亀裂の発生のない、日常の使用に耐えうる、外観品質に富んだ漆塗り皮革製品を作製、提供することが可能となる。 In addition, since the plasticizer is mixed, for example, even when an external force such as bending is applied during daily use of lacquered leather products such as wallets, surface cracks such as cracks do not occur in daily life. It will be possible to manufacture and provide lacquered leather products with excellent appearance quality that can withstand the use of.

さらに、漆を乾燥させた粉状の本乾漆粉を可塑剤を加えた溶液状の漆に混ぜると共に、漆を乾燥させた粉状の本乾漆粉を溶液状の漆に混合することにより、「漆器」におけるような「漆の重ね塗り」と同様の、漆独特の良好な質感、艶感を得ることが可能となる。
その結果、本願発明に係る漆塗り皮革製品の製造方法により、各種皮革製品、例えば、バッグ、財布、ベルト、皮革製ウェア、靴、帽子、手袋、文房具等の、漆の艶感、質感を有する高品質な皮革製の日用品を容易に製作することが可能となる。
Furthermore, by mixing the powdered dry lacquer powder, which is dried lacquer, with the solution lacquer to which a plasticizer is added, and by mixing the powdered dry lacquer powder, which is the dried lacquer, with the solution lacquer, " It is possible to obtain the same good texture and luster unique to lacquer as in "lacquer recoating" as in "lacquer ware".
As a result, various leather products such as bags, wallets, belts, leather wear, shoes, hats, gloves, stationery, etc. have the luster and texture of lacquer according to the method for producing lacquered leather products according to the present invention. It is possible to easily manufacture high-quality leather daily necessities.

請求項2記載の発明にあっては、前記本乾漆粉は、溶液状の色付き漆を複数回塗った漆体を乾燥させ粉砕したものであることから、漆の「重ね塗り」の要素が残存する溶液状の漆に、溶液状の色付き漆を複数回塗ったものを乾燥させ粉砕した乾漆粉を混合させることにより、漆と乾漆粉が良好に混ざり乾燥時には密な状態で一体化する。その結果、請求項1記載の発明の効果に加えて、より確実に、漆器と同様の「重ね塗り」による漆の質感、艶感を得ることが可能となる。 In the invention according to claim 2, since the dry lacquer powder is obtained by drying and crushing a lacquer body coated with a solution of colored lacquer multiple times, the element of "overcoating" of lacquer remains. By mixing the solution-like lacquer with the dry lacquer powder obtained by drying and crushing the solution-like colored lacquer applied multiple times, the lacquer and the dry lacquer powder are well mixed and integrated in a dense state at the time of drying. As a result, in addition to the effect of the invention according to claim 1, it is possible to more reliably obtain the texture and luster of lacquer by "overcoating" similar to lacquer ware.

請求項4記載の発明にあっては、前記溶液状の漆及び前記粉状の本乾漆粉は色付き漆であって、同一色の漆であることから、様々な色の漆を皮革材表面に塗布した、色彩に富んだ漆塗り皮革製品を製作することができる。 In the invention according to claim 4, since the solution-like lacquer and the powder-like dry lacquer powder are colored lacquer and have the same color, lacquer of various colors is applied to the surface of the leather material. It is possible to produce lacquered leather products that are rich in color and have been applied.

請求項5記載の発明にあっては、前記可塑剤であるトリブチルホスフェートは無色であることから、漆による発色を可塑剤が妨げることなく、漆本来の色彩、質感を表現した漆塗り皮革製品を作成することができる。また、トリブチルホスフェートは無臭であることから、使用者の臭覚を刺激することのない漆塗り皮革製品を作成することができる。 In the invention according to claim 5, since the plasticizer tributyl phosphate is colorless, a lacquer-coated leather product that expresses the original color and texture of lacquer without the plasticizer hindering the color development by the lacquer. Can be created. Further, since tributyl phosphate is odorless, it is possible to produce a lacquered leather product that does not irritate the user's sense of smell.

請求項6記載の発明にあっては、前記溶液状の漆と、可塑剤との混合比率は1:1であることから、使用時に屈曲等の外力が作用した場合であっても、表面亀裂の発生することのない漆塗り皮革製品を製作、提供することが可能となる。 In the invention according to claim 6, since the mixing ratio of the solution-like lacquer ware and the plasticizer is 1: 1, surface cracks occur even when an external force such as bending acts during use. It will be possible to manufacture and provide lacquered leather products that do not generate stress.

請求項7記載の発明にあっては、前記溶液状の漆は20g、前記可塑剤は5~20cc、前記本乾漆粉は5~10gであり、かつ、請求項6記載の発明にあっては、前記本乾漆粉は、♯48のものが3g、又は♯250のものが10gであることから、屈曲試験の結果、20,000回の屈曲テストに耐えうる皮革製品を提供することができる。 In the invention according to claim 7, the solution-like lacquer is 20 g, the plasticizer is 5 to 20 cc, the dry lacquer powder is 5 to 10 g, and the invention according to claim 6 is. Since the dry lacquer powder of # 48 weighs 3 g or that of # 250 weighs 10 g, it is possible to provide a leather product that can withstand 20,000 bending tests as a result of the bending test.

請求項8記載の発明にあっては、請求項1~7の製造方法により製造されていることから、漆が乾燥硬化した場合であっても所定の柔軟性を確保し、製品化されて使用された際に加えられる屈曲等の外力が作用した場合にも、表面亀裂が発生しないと共に、漆器と同様の、いわゆる「重ね塗り」の質感、艶感を有する高品質な漆塗り皮革製品を製作することが可能となる。 In the invention according to claim 8, since it is manufactured by the manufacturing method according to claims 1 to 7, even when the lacquer is dried and hardened, the predetermined flexibility is ensured and the lacquer is commercialized and used. We manufacture high-quality lacquer-coated leather products that do not generate surface cracks and have the so-called "overcoating" texture and luster, similar to lacquer ware, even when external forces such as bending applied when they are applied. It becomes possible to do.

本発明に係る漆塗り皮革製品の製造方法の一実施の形態を示すフローチャートである。It is a flowchart which shows one Embodiment of the manufacturing method of the lacquered leather product which concerns on this invention.

以下、本発明に係る一実施の形態について、図面を参照しながら説明する。
図1に示すように、本実施の形態に係る漆塗り皮革製品の製造方法は、溶液状の漆に可塑剤を混合する可塑剤混合工程S10と、漆を乾燥させた粉状の本乾漆粉を前記可塑剤を加えた溶液状の漆に混合する本乾漆粉混合工程S11と、本乾漆粉混合工程S11により本乾漆粉が混合された溶液状の漆を一定期間にわたり放置する放置工程S12と、放置工程S10により放置した漆を皮革材に塗布する塗布工程S13とを備えている。
Hereinafter, an embodiment according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the method for producing a lacquered leather product according to the present embodiment includes a plasticizer mixing step S10 in which a plasticizer is mixed with a solution lacquer, and a powdery dry lacquer powder obtained by drying the lacquer. In the dry lacquer mixing step S11 in which the above-mentioned plasticizer is added to the solution lacquer, and in the leaving step S12 in which the solution lacquer mixed with the dry lacquer is left for a certain period in the dry lacquer mixing step S11. It is provided with a coating step S13 for applying the lacquer left in the leaving step S10 to the leather material.

本実施の形態にあっては、可塑剤としては、トリブチルホスフェート(リン酸トリブチル)が使用される。トリブチルホスフェートは、n-ブタノールのエステルであり、無色、無臭の液体である。 In this embodiment, tributyl phosphate (tributyl phosphate) is used as the plasticizer. Tributyl phosphate is an ester of n-butanol, a colorless, odorless liquid.

また、本乾漆粉とは、漆(色付き漆)を乾燥させた粉であり、本実施の形態にあっては、溶液状の色付き漆を複数回塗ったものを乾燥させ粉砕したものである。「溶液状の色付き漆を複数回塗ったものを乾燥させ粉砕したもの」を使用する理由は、上記のように、漆器同様の「漆の重ね塗り」と同様の、漆独特の良好な質感、艶感を得ることが可能とするためである。本実施の形態にあっては漆は色付き漆であり、本乾漆粉も当該漆と同一の色のものを使用する。また、漆と可塑剤との混合比率に関しては、基本的に1:1の割合である。 The dry lacquer powder is a powder obtained by drying lacquer (colored lacquer), and in the present embodiment, it is a powder obtained by applying a solution of colored lacquer a plurality of times and then drying and crushing the powder. The reason for using "a solution of colored lacquer that has been applied multiple times and then dried and crushed" is, as mentioned above, the good texture peculiar to lacquer, similar to the "layer coating of lacquer" similar to lacquer ware. This is to make it possible to obtain a glossy feeling. In the present embodiment, the lacquer is colored lacquer, and the dry lacquer powder of the same color as the lacquer is used. The mixing ratio of the lacquer and the plasticizer is basically 1: 1.

[実験例]
上記を前提として以下のような配合比率により実験を行った。
可塑剤混合工程S10において、前記溶液状の色付き漆を20gに対し、可塑剤5~20ccを混合する。次に、本乾漆粉混合工程S11において、色付き漆と同一色の粉状の本乾漆粉3~10gを添加する。このようにして作成された漆溶液を放置工程S11において4日間放置し、その後、塗布工程S13において適宜の皮革材に塗布して、漆塗り皮革製品が作成したものである。
[Experimental example]
Based on the above, experiments were conducted with the following blending ratios.
In the plasticizer mixing step S10, 5 to 20 cc of the plasticizer is mixed with 20 g of the colored lacquer in the form of a solution. Next, in the dry lacquer powder mixing step S11, 3 to 10 g of the powdery dry lacquer powder having the same color as the colored lacquer is added. The lacquer solution thus prepared was left to stand for 4 days in the leaving step S11, and then applied to an appropriate leather material in the coating step S13 to prepare a lacquered leather product.

本乾漆粉に関しては、粉の粗さ、細かさにより、♯48、♯60、♯80、♯100、♯150、♯250の6種類があり、各メッシュの番手により、配合量を適宜、調節する必要がある。この場合、例えば、♯48の本乾漆粉の場合には3g(最小量)、♯250の本乾漆粉の場合には10g(最大量)が最適な配合量である。
本乾漆粉を3g配合する場合よりも本乾漆粉10gで配合した場合の方が、ざらつきがあり、風情のある漆表皮層を有する皮革製品を得ることができる。
There are 6 types of this dry lacquer powder, # 48, # 60, # 80, # 100, # 150, and # 250, depending on the roughness and fineness of the powder, and the blending amount is appropriately adjusted according to the count of each mesh. There is a need to. In this case, for example, 3 g (minimum amount) in the case of # 48 main dry lacquer powder and 10 g (maximum amount) in the case of # 250 main dry lacquer powder are the optimum blending amounts.
A leather product having a rough and tasteful lacquer skin layer can be obtained when 10 g of the dry lacquer powder is blended than when 3 g of the dry lacquer powder is blended.

漆塗り製品の場合には、「漆器」同様の「重ね塗り」の風情により、漆本来の重厚な美観を表出することができるものであるが、可塑剤を漆溶液に混合させた後、乾燥させてしまった場合には、漆の重ね塗りが不可能となる、また、可塑剤を混合させた漆溶液を一回のみ皮革材に塗布した場合には同様に「重ね塗り」の効果は得られない。 In the case of lacquer-coated products, it is possible to express the original profound aesthetics of lacquer by the taste of "layer coating" similar to "lacquer ware", but after mixing the plasticizer with the lacquer solution, If it is dried, it becomes impossible to recoat the lacquer, and if the lacquer solution mixed with the plasticizer is applied to the leather material only once, the effect of "recoating" is the same. I can't get it.

そこで、本実験例にあっては、溶液状の色付き漆を複数回塗った後に乾燥させ粉砕した本乾漆粉を、可塑剤が混入された乾燥前で溶液状の色付き漆とを混合することにより、溶液状の色付き漆と本乾漆粉とが良く混ざり合い、本乾漆粉が色付き漆に良好に付着結合する。
その結果、製品使用時における屈曲等の外力の作用によっても表面亀裂の発生がなく、かつ同時に、漆器と同様の「重ね塗り」の風情、美観、品質を有する漆塗り皮革製品を作製することができる。
Therefore, in this experimental example, the dry lacquer powder in the form of a solution was applied multiple times, then dried and crushed, and the dry lacquer powder in the form of a solution was mixed with the colored lacquer in the form of a solution before drying in which the plasticizer was mixed. , The solution-like colored lacquer and the dry lacquer powder are well mixed, and the dry lacquer powder adheres well to the colored lacquer.
As a result, it is possible to produce lacquer-coated leather products that do not generate surface cracks due to the action of external forces such as bending when the product is used, and at the same time have the same "layered coating" taste, aesthetics, and quality as lacquer ware. can.

本実験例に係る漆塗り皮革製品の製造方法により製造された漆塗り皮革製品にあっては、所定の検査装置による屈曲試験の結果、20,000回の屈曲テストに耐えうることが立証されたものである。この場合、20,000回の屈曲試験に耐えうるものであれば、財布、バッグ等の皮革製の携帯用日用品に関しては、日常使用レベルにおいて商品として耐えうるだけの品質を有していることが判明している。 As a result of a bending test using a predetermined inspection device, it was proved that the lacquered leather product manufactured by the method for manufacturing the lacquered leather product according to this experimental example can withstand 20,000 bending tests. It is a thing. In this case, as long as it can withstand 20,000 bending tests, leather portable daily necessities such as wallets and bags must be of sufficient quality to withstand as a product at the level of daily use. It is known.

このようにして作製された漆塗り皮革製品は、可塑剤が混入していることから、日常的な使用状況における屈曲等の外力が作用した場合であっても良く撓み、漆表面層のひび割れ、表面亀裂等の発生のない、経年時においても良好な外観品質を有することができる漆塗り皮革製品である。 Since the lacquered leather product produced in this way contains a plasticizer, it bends well even when an external force such as bending occurs in daily use, and the lacquer surface layer cracks. It is a lacquered leather product that does not generate surface cracks and can have good appearance quality even over time.

また、本実験例に係る漆塗り皮革製品にあっては、本乾漆粉が漆溶液に混入されていることから、「漆の重ね塗り」による漆の重厚感、艶感、質感が良好に表現されており、一般の、いわゆる「漆器」におけるような外観品質を保持する漆塗り皮革製品を作製することができる。 In addition, in the lacquered leather product according to this experimental example, since the dry lacquer powder is mixed in the lacquer solution, the profound feeling, luster and texture of the lacquer by "layer coating of lacquer" are well expressed. It is possible to produce lacquered leather products that maintain the appearance quality of ordinary so-called "lacquer ware".

本実施の形態にあっては、可塑剤としてトリブチルホスフェートを使用した場合を例に説明したが本実施の形態には限定されない。また、漆溶液と可塑剤及び本乾漆粉の配合比率に関しては、得ようとする漆塗り皮革製品の品質、風情、外観との関係で適宜変更することが可能であり、上記実施の形態に限定されない。 In the present embodiment, the case where tributyl phosphate is used as the plasticizer has been described as an example, but the present embodiment is not limited to this embodiment. Further, the mixing ratio of the lacquer solution, the plasticizer and the dry lacquer powder can be appropriately changed depending on the quality, taste and appearance of the lacquered leather product to be obtained, and is limited to the above embodiment. Not done.

本発明は漆塗り皮革製品の製造方法に係ることから、広く産業上の利用可能性を有している。 Since the present invention relates to a method for manufacturing a lacquered leather product, the present invention has wide industrial applicability.

S10 可塑剤混合工程
S11 本乾漆粉混合工程
S12 放置工程
S13 塗布工程
S10 Plasticizer mixing process S11 Dry lacquer powder mixing process S12 Leaving process S13 Coating process

Claims (8)

漆塗り皮革製品の製造方法であって、
溶液状の漆に可塑剤を混合する可塑剤混合工程と、
漆を乾燥させた粉状の本乾漆粉を、前記可塑剤を加えた溶液状の漆に混合する本乾漆粉混合工程と、
前記本乾漆粉混合工程により本乾漆粉が混合された溶液状の漆を一定期間にわたり放置する放置工程と、
前記放置工程により放置した漆を皮革材に塗布する塗布工程とを備えることを特徴とする漆塗り皮革製品の製造方法。
It is a manufacturing method of lacquered leather products.
A plasticizer mixing process that mixes a plasticizer with a solution of lacquer,
The dry lacquer powder mixing step of mixing the powdered dry lacquer powder obtained by drying the lacquer with the solution lacquer to which the plasticizer is added.
A leaving step in which the solution lacquer mixed with the dry lacquer powder is left for a certain period of time by the dry lacquer powder mixing step, and a leaving step.
A method for producing a lacquered leather product, which comprises a coating step of applying lacquer left unattended by the leaving step to a leather material.
前記本乾漆粉は、溶液状の色付き漆を複数回塗った漆体を乾燥させ粉砕したものであることを特徴とする。 The present dry lacquer powder is characterized in that it is obtained by drying and crushing a lacquer body coated with a solution-like colored lacquer a plurality of times. 前記放置工程は、前記本乾漆粉混合工程により本乾漆が混合された溶液状の漆を4日以上放置する工程であることを特徴とする請求項1記載の漆塗り皮革製品の製造方法。 The method for producing a lacquered leather product according to claim 1, wherein the leaving step is a step of leaving the solution-like lacquer mixed with the dry lacquer by the dry lacquer powder mixing step for 4 days or more. 前記溶液状の漆及び前記粉状の本乾漆粉は色付き漆であって、同一色であることを特徴とする請求項1記載の漆塗り皮革製品の製造方法。 The method for producing a lacquered leather product according to claim 1, wherein the solution-like lacquer and the powder-like dry lacquer powder are colored lacquer and have the same color. 前記可塑剤は、トリブチルホスフェートであることを特徴とする請求項1記載の漆塗り皮革製品の製造方法。 The method for producing a lacquered leather product according to claim 1, wherein the plasticizer is tributyl phosphate. 前記溶液状の漆と可塑剤との混合比率は1:1であることを特徴とする請求項1記載の皮革製品の製造方法。 The method for producing a leather product according to claim 1, wherein the mixing ratio of the solution-like lacquer and the plasticizer is 1: 1. 前記溶液状の漆は20g、前記可塑剤は5~20cc、前記本乾漆粉は3~10gであることを特徴とする請求項1乃至6記載の漆塗り皮革製品の製造方法。 The method for producing a lacquered leather product according to claim 1 to 6, wherein the solution-like lacquer is 20 g, the plasticizer is 5 to 20 cc, and the dry lacquer powder is 3 to 10 g. 請求項1~7の製造方法により製造されたことを特徴とする皮革製品。
A leather product manufactured by the manufacturing method according to any one of claims 1 to 7.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63267480A (en) * 1987-04-25 1988-11-04 Sakamoto Shitsugei Kk Preparation of urushi coated leather
JP2000248231A (en) * 1999-03-01 2000-09-12 Fukui Prefecture Powdery material containing japanese lacquer component
JP2011032377A (en) * 2009-08-03 2011-02-17 Nakayama Shikko:Kk Method for forming japanese lacquer coating of leather
JP2011098261A (en) * 2009-11-04 2011-05-19 Tsujita Urushiten:Kk Method for forming lacquer coating, japanese lacquer sheet and japanese lacquer coated form using japanese lacquer sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63267480A (en) * 1987-04-25 1988-11-04 Sakamoto Shitsugei Kk Preparation of urushi coated leather
JP2000248231A (en) * 1999-03-01 2000-09-12 Fukui Prefecture Powdery material containing japanese lacquer component
JP2011032377A (en) * 2009-08-03 2011-02-17 Nakayama Shikko:Kk Method for forming japanese lacquer coating of leather
JP2011098261A (en) * 2009-11-04 2011-05-19 Tsujita Urushiten:Kk Method for forming lacquer coating, japanese lacquer sheet and japanese lacquer coated form using japanese lacquer sheet

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