JPS5926709B2 - Processing method for retroreflective synthetic leather-like material - Google Patents

Processing method for retroreflective synthetic leather-like material

Info

Publication number
JPS5926709B2
JPS5926709B2 JP51058422A JP5842276A JPS5926709B2 JP S5926709 B2 JPS5926709 B2 JP S5926709B2 JP 51058422 A JP51058422 A JP 51058422A JP 5842276 A JP5842276 A JP 5842276A JP S5926709 B2 JPS5926709 B2 JP S5926709B2
Authority
JP
Japan
Prior art keywords
synthetic leather
light
retroreflective
reflecting layer
processing
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
Application number
JP51058422A
Other languages
Japanese (ja)
Other versions
JPS52143202A (en
Inventor
政嗣 望月
邦二 小林
澄夫 龍
重夫 川崎
孝 井田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unitika Ltd
Unitika Sparklite Ltd
Original Assignee
Unitika Ltd
Unitika Sparklite Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Unitika Ltd, Unitika Sparklite Ltd filed Critical Unitika Ltd
Priority to JP51058422A priority Critical patent/JPS5926709B2/en
Publication of JPS52143202A publication Critical patent/JPS52143202A/en
Publication of JPS5926709B2 publication Critical patent/JPS5926709B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Description

【発明の詳細な説明】 本発明は再帰反射性合成皮革状物の加工方法に関するも
のであり、その目的とするところは長期間の使用に耐え
得る光再帰反射特性を兼ね備えた安全または装飾衣料と
して好適な素材を提供するところにある。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for processing a retroreflective synthetic leather material, and its purpose is to produce safety or decorative clothing that has light retroreflection properties that can withstand long-term use. Our goal is to provide suitable materials.

再帰性反射シート状物は視認性に乏しい夜間においても
外部光源から照らされた場合、光を入射光源に向つて明
るく再帰反射する特性を有するので各種交通標識、案内
標識、自動車のナンバープレートや安全衣服等として広
く利用されている。
Retroreflective sheet-like materials have the property of brightly retroreflecting light toward the incident light source when illuminated by an external light source even at night when visibility is poor, so it can be used for various traffic signs, guide signs, car license plates, and safety. Widely used for clothing, etc.

従つて、これらにはそれぞれの用途に応じて様々な物性
が要求されることになるが、とりわけ衣料として用いる
場合には一般の標識類に用いられている反射シートのよ
うにドレープ性を有しないものははなはだしく不適当で
あり、衣料として好適な素材であるためには一定の柔軟
性、触感、視感や風合い等を兼ね備えたものでなければ
ならない。これらの諸要求は反射シートの構成要素であ
るガラスビーズや光反射層の結合剤として常温で柔軟性
を有するポリウレタンやポリ塩化ビニル系樹脂を用い、
かつ支持体として各種編織物、不織布等の基布を用いる
ことによりある程度は達成されるが、その他の皮革様衣
料と比較した場合まだまだ柔軟性、触感や風合い等で改
善の余地は大きく、そしてなによりも問題であるのはこ
れら再帰反射性合成皮革状物が長期の使用期間中に揉ま
れることにより、内部の光反射層であるアルミニウム蒸
着膜の部分的破壊によると思われる黒ずんだ汚点や斑じ
わ模様(以下これらをチョークマークと呼称する。)の
発生が視認され、商品としての価値を著しく低下させて
しまうことである。本発明者らは上記の問題点を解決す
べく鋭意研究を重ねた結果、従来公ケロの方法で製造さ
れた柔軟性を有する再帰性反射シート状物の光反射層面
側を接着剤を介して編織物・不織布等の基布と接合後、
コンパクタ一(COmpactOr)で加熱下加圧伸縮
加工することにより、上記再帰性反射シート状物の表面
に基布組織とは別の独立した微小なちりめん状のしわが
付与されるとともに、同シート内部のガラスビーズ間の
光反射層に均一かつ微細な亀裂が付与されることにより
前記したようなチヨークマークの生じないきわめてすぐ
れた再帰反射性合成皮革状物が得られることを見い出し
た。
Therefore, these materials are required to have various physical properties depending on their use, but especially when used as clothing, they do not have drapability like reflective sheets used in general signs. Materials are grossly unsuitable, and in order to be suitable for clothing, they must have a certain level of flexibility, feel, visual appearance, and texture. These requirements can be met by using polyurethane or polyvinyl chloride resin, which is flexible at room temperature, as a binder for the glass beads and light reflective layer that are the constituent elements of the reflective sheet.
Although this can be achieved to some extent by using base fabrics such as various knitted fabrics and non-woven fabrics as supports, there is still a large room for improvement in terms of flexibility, texture, texture, etc. when compared with other leather-like clothing. What is more problematic is that when these retroreflective synthetic leather materials are rubbed during long-term use, they develop dark spots and spots that are thought to be due to partial destruction of the aluminum vapor-deposited film that is the internal light-reflecting layer. The appearance of wrinkled patterns (hereinafter referred to as chalk marks) is visible and significantly reduces the value of the product. The inventors of the present invention have conducted intensive research to solve the above-mentioned problems, and have found that the light-reflecting layer side of a flexible retroreflective sheet, which has been manufactured by the conventional method, is bonded with an adhesive. After bonding to the base fabric such as knitted fabric or non-woven fabric,
By subjecting the retroreflective sheet to the surface of the above-mentioned retroreflective sheet by applying pressure and stretching in a compactor (CompactOr), fine crepe-like wrinkles are added to the surface of the above-mentioned retroreflective sheet, which are independent from the base fabric structure, and the inside of the sheet is It has been found that by imparting uniform and fine cracks to the light-reflecting layer between the glass beads, it is possible to obtain an extremely excellent retroreflective synthetic leather-like material that does not produce the aforementioned check marks.

コンパクタ一としては従来各種繊維編織物の物理的(機
械的)什土加工方法の1つとして主として防縮加工を目
的としたゴムブランケツトの伸縮変化を利用したものや
ロールによる押込み方式等が挙げられる。本発明におい
てはこれらコンパクタ一はいずれも有効であるが最も好
ましいものとしてはカムフイツト加工機(特公昭421
3419参照)が挙げられる。
As a compactor, conventional methods of physically (mechanically) processing soil for various types of textile knitting and fabrics include methods that utilize the expansion and contraction of rubber blankets for the purpose of shrink-proofing, and methods that use rolls to press the material. . Although any of these compactors are effective in the present invention, the most preferable one is a cam-fit processing machine (Japanese Patent Publication No. 421
3419).

カムフイツト加工機はゴムブランケツトを積極的に加圧
圧縮することにより、ゴム表面の伸縮変化を大きくした
点を特徴としているところから各種編織物の伸縮性付与
加工、風合加工や防縮加工として広く用いられているが
、本発明においても特に有効である。本発明により加工
された丹帰反射性合成皮革状物の第1の特長は長期間の
使用により従来問題となつていた揉まれることによるチ
ヨークマークの発生を完全に防止しうることである。こ
の揉まれることによるチヨークマークの発生原因につい
てはまだ明らかではないが、内部の光反射層としてのア
ルミニウム蒸着膜が関与していることは確実であり、し
かもガラスビーズ背後よりもガラスビーズ間のアルミニ
ウム蒸着膜が関与しており、揉まれた結果これらアルミ
ニウム光反射層が部分的に破壊され表面から見た場合部
分的に黒ずんだ汚点や斑じわ模様すなわちチヨークマー
クとして視認されるものが生ずるものと推察される。本
発明においてこれらのチヨークマーク現象が防止しうる
理由の1つにはコンパクタ一での一連の伸縮加工により
ガラスビーズ間のアルミニウム蒸着膜がほぼ一様に伸張
破壊される結果、もはやいくら揉んでもチヨークマーク
が発生し−なくなるものと考えられる。このことは実際
にコンパクタ一による加工品を顕微鏡で観察してみると
、しわ方向に沿つてガラスビーズ間のアルミニウム光反
射層に一)様に微細な亀裂が入つていることが観察され
ることより当を得たものと思推できる。
The camfit processing machine is characterized by the fact that it greatly increases the change in elasticity of the rubber surface by actively pressurizing and compressing the rubber blanket, so it is widely used for processing various knitted fabrics to give them elasticity, texture, and shrink-proofing. However, it is also particularly effective in the present invention. The first feature of the retroreflective synthetic leather-like product processed according to the present invention is that it can completely prevent the occurrence of yellow marks due to rubbing, which has been a problem in the past, due to long-term use. Although it is not yet clear why this cheese mark is generated due to rubbing, it is certain that the aluminum vapor deposited film as an internal light reflecting layer is involved, and the aluminum vapor deposition between the glass beads is more important than behind the glass beads. It is inferred that the aluminum light-reflecting layer is partially destroyed as a result of being rubbed, resulting in partially darkened stains and mottled wrinkles, or what is visually recognized as a chiyork mark, when viewed from the surface. be done. One of the reasons why the present invention is able to prevent the occurrence of these crack marks is that the aluminum vapor deposited film between the glass beads is almost uniformly stretched and destroyed by a series of stretching processes in the compactor, and as a result, the crack marks no longer occur no matter how much it is rubbed. It is thought that it occurs and disappears. This means that when you actually observe a product processed by a compactor under a microscope, you will see that there are microscopic cracks in the aluminum light-reflecting layer between the glass beads along the direction of the wrinkles. I think this is more accurate.

さらにいま1つの理由として考えられるのは、コンパク
タ一による伸縮加工により表面に微小なちりめん状のし
わが付与される結果、反射光は拡散され明確なチヨーク
マークとして視認されなくなる効果によるものであろう
。しかしながら加工後の長期にわたる経時変化によりこ
の微小なちりめん状のしわがほとんど消失したような場
合でも、チヨークマークの発生は認められないことから
みて、本質的に重要な要因ではないと思われる。本発明
の第2の特長は再帰反射性合成皮革状物の表面形態に関
して一般に加工前の平滑で光沢のある表面に、伸縮加工
を施すことにより背後の基布の編織組織とは別の独立し
た微小なちりめん状のしわが付与される結果、合成皮革
状物として好適なつや消し効果や触感等の風合い改良効
果ならびに一層の柔軟性、ドレープ性が付与されること
である。
Another possible reason is that the expansion and contraction process by the compactor imparts minute crepe-like wrinkles to the surface, which diffuses the reflected light and makes it no longer visible as a clear checkmark. However, even in cases where these minute crepe-like wrinkles have almost completely disappeared due to long-term changes after processing, it is not considered to be an essentially important factor, since the occurrence of chiro-yoke marks is not observed. The second feature of the present invention is that the surface form of retroreflective synthetic leather is generally smooth and glossy before processing, and by applying stretching processing, it becomes As a result of being provided with minute crepe-like wrinkles, it is possible to impart texture improvement effects such as a matting effect and touch that are suitable for a synthetic leather-like material, as well as further flexibility and drapability.

本発明は上記の効果とぱ別に伸縮加工後において反射輝
度のある程度の低下は避けられないが、反射輝度も加工
時の温度、圧縮度や加工速度等の調節により一定値以上
を確保し得ることも十分可能である。
Apart from the above-mentioned effects, the present invention provides that although a certain degree of reduction in reflection brightness is unavoidable after stretching processing, the reflection brightness can also be maintained at a certain value or higher by adjusting the temperature, compression degree, processing speed, etc. during processing. is also quite possible.

また加工後においては加工前に比し広角度反射特性が得
られるのも大きな特長である。以下に具体的な実施例を
示すことにより本発明を詳述する。実施例 1 一定の光学的関係を維持しつつ、主として熱可塑性ポリ
ウレタン樹脂から成る結合剤中に封入された平均直径5
0ミクロンの透明高屈折率ガラスビーズとアルミニウム
蒸着膜光反射層から成る厚さ約100ミクロンの再帰性
反射シート状物の光反射層面側に架橋型アクリル系接着
剤を塗布半乾燥後、基布としてポリエステル/木綿混平
織物と積層接着させる。
Another great feature is that after processing, wider angle reflection characteristics can be obtained compared to before processing. The present invention will be explained in detail by showing specific examples below. Example 1 Average diameter 5 encapsulated in a binder consisting primarily of thermoplastic polyurethane resin while maintaining constant optical relationships
A cross-linked acrylic adhesive is applied to the light reflective layer side of a retroreflective sheet with a thickness of about 100 microns consisting of transparent high refractive index glass beads of 0 micron and an aluminum vapor-deposited film light reflective layer.After semi-drying, a base fabric is applied. Laminated and bonded with polyester/cotton blend plain fabric.

次にカムフイツト加工機の加工条件として加熱シリンダ
ーの温度を55℃、厚さ50mmのゴムブランケツトの
圧縮厚みを30mTnに設定し、上記試料を10m/〒
で加工したところ、緯方向に1cm当り約13本の微小
なちりめん状しわの発生がみられ、加工前に比べつや消
し効果や触威等の風合いの改良された再帰反射性合成皮
革状物が得られた。
Next, as processing conditions for the cam fit processing machine, the temperature of the heating cylinder was set to 55°C, the compressed thickness of the rubber blanket with a thickness of 50 mm was set to 30 mTn, and the above sample was processed at 10 m/〒
When processed, approximately 13 minute crepe-like wrinkles were observed per 1 cm in the weft direction, and a retroreflective synthetic leather-like material with improved texture such as matte effect and tactility was obtained compared to before processing. It was done.

この製品は手で強制的に100回揉んだ後もチヨークマ
ークの発生は認められなかつた。またカムフイツト加工
後の反射輝度の測定値(JISZ−9117に準拠する
Even after this product was forcibly rubbed 100 times by hand, no yolk marks were observed. Also, measured values of reflected brightness after cam fit processing (based on JIS Z-9117).

)は次表のとおりで加工前に比べ全体的に低下は否めな
いが、相対的には広角度反射特性が得られており、しか
もJISZ−9117に規定される反射輝度の1級水準
を維持していることは注目に値する。比較のために実施
例1のカムフイツト加工前の製品を手で強制的に10回
揉んだところチヨークマークの発生が明確に認められた
。実施例 2 基布がナイロントリコツトである以外は実施例1と全く
同様の製品について、カムフイツト加工条件として加熱
シリンダーの温度を70℃、ゴムブランケツト圧縮厚み
を30mmに設定し、10m/Mmで加工したところ緯
方向に1cm当り約21本の極く微小なちりめん状しわ
の発生が認められ、加工前に比べて一段と柔軟性やドレ
ープ性等風合いの改良された再帰反射性合成皮革状物が
得られた。
) as shown in the table below, and although it is undeniable that there is an overall decrease compared to before processing, relatively wide-angle reflection characteristics have been obtained, and the reflection brightness level 1 level specified in JIS Z-9117 is maintained. What you're doing is worth noting. For comparison, when the product of Example 1 before the cam fit process was forcibly rubbed by hand 10 times, the occurrence of cheese marks was clearly observed. Example 2 A product that was exactly the same as Example 1 except that the base fabric was nylon tricot was processed at 10 m/Mm, with the heating cylinder temperature set at 70°C and the compressed rubber blanket thickness set at 30 mm as the cam fit processing conditions. When processed, approximately 21 extremely small crepe-like wrinkles were observed per 1 cm in the weft direction, and the retroreflective synthetic leather had improved texture such as flexibility and drapability compared to before processing. Obtained.

本製品のドレープ係数(JISLlOO4準拠)は加工
前の0.294から0.268に低下が認められ、一方
手で強制的に100回揉んだ後もチヨークマークの発生
は認められなかつた。また加工後の反射輝度測定値は次
表に示す通りでJlSZ−9117に規定する2級水準
を満足している。実施例 3 実施例2で用いたと同様の製品について、一辺が2.0
mm、深さが145mmの三角錐状凹部を全面に彫刻し
たエンボスロールとゴムロールの間に、約40℃に加熱
しながらニツプ圧3k9/Cml加工速度12m/Mm
で押し込み加圧伸縮加工を施したところ、製品にはエン
ボスロールの凹凸形状に相当する模様はほとんど認めら
れなかつたが、加工前に比較してチヨークマーク防止性
には顕著な改善が認められた。
The drape coefficient (according to JISLlOO4) of this product was found to have decreased from 0.294 before processing to 0.268, and no yaw marks were observed even after the product was forcibly rubbed 100 times with one hand. Furthermore, the measured values of reflected brightness after processing are shown in the following table and satisfy the level 2 standard specified in JlSZ-9117. Example 3 For a product similar to that used in Example 2, one side is 2.0
A nip pressure of 3k9/Cml and a processing speed of 12m/Mm are placed between an embossing roll whose entire surface is engraved with triangular pyramid-shaped recesses with a depth of 145mm and a rubber roll while heating to approximately 40°C.
When the product was subjected to indentation and pressure expansion and contraction processing, almost no pattern corresponding to the uneven shape of the embossing roll was observed on the product, but a marked improvement was observed in the prevention of cheese marks compared to before processing.

本発明から成る再帰反射性合成皮革衣料は夜間における
主として自動車による衝突事故防止上きわめて有効であ
り、歩行者の外衣、レーンコート、手袋、帽子、カバン
の素材として、また自転車や自動二輪車塔乗者のジアッ
パーとしてさらには道路工事作業員や交通整理警察官の
安全チヨツキやズボンの素材としてや歌手、踊子等の舞
台衣装等の素材としてその用途が考えられる。
The retroreflective synthetic leather clothing of the present invention is extremely effective in preventing collisions mainly caused by automobiles at night, and can be used as a material for outer clothing, lane coats, gloves, hats, and bags for pedestrians, as well as for bicycles and motorcycle riders. In addition, it can be used as a material for safety jackets and pants for road construction workers and traffic control police officers, and as a material for stage costumes for singers, dancers, etc.

また山や海での遭難時において夜間における捜索を容易
にするために山では登山者の登山服、リユツクやゼット
素材として、またスキーヤ一の防寒衣料として一方海で
は救命胴衣、浮環、救命ボート、救命いかだの素材とし
て有効である。
In addition, in order to facilitate search at night in the event of a disaster in the mountains or at sea, it is used as mountaineering clothing for mountain climbers, riyutsuku, and jet material, and is used as winter clothing for skiers, while at sea, it is used as life jackets, floating rings, lifeboats, etc. It is effective as a material for life rafts.

Claims (1)

【特許請求の範囲】[Claims] 1 一定の光学的関係を維持しつつ、主として有機樹脂
結合剤中に封入された多数の透明な高屈折率ガラスビー
ズからなる単層とその背後の光反射層からなる柔軟性を
有する再帰性反射シート状物の前記光反射層面側を、接
着剤を介して編織物・不織布等の基布と接合して得られ
る再帰反射性合成皮革状物に対し、加熱下加圧伸縮加工
して前記ガラスビーズ間の光反射層に均一かつ微細な亀
裂を付与することを特徴とする再帰反射性合成皮革状物
のチョークマーク防止加工方法。
1 Flexible retroreflection consisting of a single layer consisting of a large number of transparent high-refractive index glass beads encapsulated in an organic resin binder and a light-reflecting layer behind it while maintaining a constant optical relationship. A retroreflective synthetic leather-like material obtained by bonding the light-reflecting layer surface side of a sheet-like material to a base fabric such as a knitted fabric or non-woven fabric via an adhesive is subjected to a pressure stretching process under heat to form the glass. A method for preventing chalk marks on a retroreflective synthetic leather-like material, characterized by imparting uniform and fine cracks to a light-reflecting layer between beads.
JP51058422A 1976-05-19 1976-05-19 Processing method for retroreflective synthetic leather-like material Expired JPS5926709B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51058422A JPS5926709B2 (en) 1976-05-19 1976-05-19 Processing method for retroreflective synthetic leather-like material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51058422A JPS5926709B2 (en) 1976-05-19 1976-05-19 Processing method for retroreflective synthetic leather-like material

Publications (2)

Publication Number Publication Date
JPS52143202A JPS52143202A (en) 1977-11-29
JPS5926709B2 true JPS5926709B2 (en) 1984-06-29

Family

ID=13083935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51058422A Expired JPS5926709B2 (en) 1976-05-19 1976-05-19 Processing method for retroreflective synthetic leather-like material

Country Status (1)

Country Link
JP (1) JPS5926709B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0511132Y2 (en) * 1986-12-18 1993-03-18
JPH0524014B2 (en) * 1988-03-17 1993-04-06 Tokyo Automatic Mach Works
JPH0524015B2 (en) * 1988-03-17 1993-04-06 Tokyo Automatic Mach Works
JPH0536295B2 (en) * 1986-12-18 1993-05-28 Tokyo Automatic Mach Works
JPH0536296B2 (en) * 1986-12-18 1993-05-28 Tokyo Automatic Mach Works
US9264012B2 (en) 2012-06-25 2016-02-16 Ppc Broadband, Inc. Radio frequency signal splitter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4880188A (en) * 1972-01-31 1973-10-26
JPS4994765A (en) * 1972-11-26 1974-09-09
JPS5054680A (en) * 1973-06-28 1975-05-14

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4880188A (en) * 1972-01-31 1973-10-26
JPS4994765A (en) * 1972-11-26 1974-09-09
JPS5054680A (en) * 1973-06-28 1975-05-14

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0511132Y2 (en) * 1986-12-18 1993-03-18
JPH0536295B2 (en) * 1986-12-18 1993-05-28 Tokyo Automatic Mach Works
JPH0536296B2 (en) * 1986-12-18 1993-05-28 Tokyo Automatic Mach Works
JPH0524014B2 (en) * 1988-03-17 1993-04-06 Tokyo Automatic Mach Works
JPH0524015B2 (en) * 1988-03-17 1993-04-06 Tokyo Automatic Mach Works
US9264012B2 (en) 2012-06-25 2016-02-16 Ppc Broadband, Inc. Radio frequency signal splitter

Also Published As

Publication number Publication date
JPS52143202A (en) 1977-11-29

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