JPH03220378A - Production of synthetic leather having suede-like surface - Google Patents
Production of synthetic leather having suede-like surfaceInfo
- Publication number
- JPH03220378A JPH03220378A JP2015379A JP1537990A JPH03220378A JP H03220378 A JPH03220378 A JP H03220378A JP 2015379 A JP2015379 A JP 2015379A JP 1537990 A JP1537990 A JP 1537990A JP H03220378 A JPH03220378 A JP H03220378A
- Authority
- JP
- Japan
- Prior art keywords
- synthetic leather
- resin
- suede
- heat
- expandable microcapsules
- 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.)
- Pending
Links
- 239000002649 leather substitute Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000003094 microcapsule Substances 0.000 claims abstract description 14
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 238000010097 foam moulding Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000010985 leather Substances 0.000 abstract description 3
- 238000009835 boiling Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract 4
- 239000011347 resin Substances 0.000 abstract 4
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 229920005992 thermoplastic resin Polymers 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005187 foaming Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 201000004384 Alopecia Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 208000024963 hair loss Diseases 0.000 description 1
- 230000003676 hair loss Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、表面スェード調のポリウレタン樹脂発泡成形
合成皮革の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for producing polyurethane resin foam-molded synthetic leather with a suede-like surface.
従来、表面スェード調の合成皮革は、基材となる合成皮
革表面に接着側をコーティングした後、ナイロン、レー
ヨンなどの繊維を植毛し、スェード調にするもの、又は
合成皮革表面を溶剤で侵すことにより多孔化してスェー
ド調にするもの、又は湿式成形法で作られた所謂湿式合
成皮革の発泡層をサンディング又はスライスするもの、
又は湿式成形法などで作られた含浸布をパフィングする
もの等が知られている。Conventionally, synthetic leather with a suede-like surface is produced by coating the surface of the synthetic leather as a base material with the adhesive side and then flocking fibers such as nylon or rayon to give it a suede-like appearance, or by attacking the surface of the synthetic leather with a solvent. or by sanding or slicing the foam layer of so-called wet synthetic leather made by wet molding.
Alternatively, a method is known in which an impregnated cloth made by a wet molding method is puffed.
しかしながら植毛は色落ち１毛抜けの問題があり、その
他の方法では表面からの水のしみ込みや表面強度の弱さ
などの欠点が見受けられている。However, hair transplantation has the problem of discoloration and hair loss, and other methods have drawbacks such as water seepage from the surface and weak surface strength.
本発明はスェード調合成皮革に関する上記の如き問題点
を解決した表面スェード調の発泡成形品を作成すること
を意図するものである。The present invention is intended to create a foamed molded product with a suede-like surface that solves the above-mentioned problems regarding suede-like synthetic leather.
従って、本発明の主要な目的は発泡成形品に微細な独立
気泡を単独で均一に分散せしめた優美な外観と触感の良
好な表面発泡成形品を製造する工業的な手段を確立する
ことにある。Therefore, the main object of the present invention is to establish an industrial means for manufacturing a surface foam molded product with an elegant appearance and a good feel, in which fine closed cells are individually and uniformly dispersed in the foam molded product. .
（目的を達成するための手段〕
而して本発明のこの目的はポリウレタン樹脂に発泡剤と
して熱膨張性マイクロカプセルを前記樹・脂（固形分）
の重量に対して５〜２５部の範囲で配合し、着色の必要
があれば着色する。そしてキャスティング法を採る場合
には、ドクターナイフコーターやリバースロールコータ
−等の塗布装置を使用し、離型紙上に塗布し乾燥させ、
この表面層上に合成樹脂層を積層し基材と貼り合わせた
後、離型紙より剥離し、これを加熱発泡することによっ
て達成される。(Means for Achieving the Object) This object of the present invention is to add thermally expandable microcapsules as a foaming agent to a polyurethane resin (solid content).
It is blended in an amount of 5 to 25 parts based on the weight of the product, and if necessary, it is colored. When using the casting method, use a coating device such as a doctor knife coater or reverse roll coater to apply the coating onto release paper and dry it.
This is achieved by laminating a synthetic resin layer on this surface layer, bonding it to a base material, peeling it off from a release paper, and heating and foaming it.
本発明に使用する熱膨張性マイクロカプセルとは、低沸
点溶剤を熱可塑性高分子材料の皮膜あるいは殻で包み込
んだ粒径約５ないし３０μからなる熱膨張性容器であっ
て、熱膨張性マイクロカプセルの殻（シェル）は、一般
に１０μ以下、さらに好ましくは７μ以下の壁厚を有す
るが、熱可塑性であること、およびガスバリア性の良い
ことが必要であり、このため例えば、塩化ビニリデン、
アクリロニトリルを主体とするコポリマーから形成され
ている。The heat-expandable microcapsules used in the present invention are heat-expandable containers having a particle size of approximately 5 to 30 μm, in which a low-boiling solvent is encapsulated in a film or shell of a thermoplastic polymer material. The shell generally has a wall thickness of 10μ or less, more preferably 7μ or less, but it needs to be thermoplastic and have good gas barrier properties, so for example vinylidene chloride,
It is formed from a copolymer mainly composed of acrylonitrile.
本発明方法の実施に際し、上記熱膨張性マイクロカプセ
ルは、ポリウレタン樹脂の重量に対して２５部以下、さ
らには好ましくは２０部以下配合することが望ましい、
また合成樹脂成形温度は、ポリウレタン樹脂の組成、あ
るいは、溶剤の配合量によっても異なるが、熱膨張性マ
イクロカプセルの発泡開始温度を勘案すると概ね９０℃
以下、さらに好ましくは８０℃以下に調節することが望
ましい。When carrying out the method of the present invention, it is desirable that the thermally expandable microcapsules be blended in an amount of 25 parts or less, more preferably 20 parts or less, based on the weight of the polyurethane resin.
In addition, the synthetic resin molding temperature varies depending on the composition of the polyurethane resin or the amount of solvent blended, but it is approximately 90°C when considering the foaming start temperature of thermally expandable microcapsules.
Hereinafter, it is more preferable to adjust the temperature to 80°C or lower.
一方発泡成形時の加熱温度は、概ね１１０℃以上１８０
℃、さらに好ましくは１３０℃以上１６０℃に設定する
ことが望ましい。On the other hand, the heating temperature during foam molding is approximately 110°C or higher and 180°C.
It is desirable to set the temperature to 130°C or more and 160°C more preferably.
発明の理解を容易にする為、以下に実施例を記載するが
本発明はこれらの実施例によってその要旨が限定される
ものではない。In order to facilitate understanding of the invention, Examples are described below, but the gist of the present invention is not limited by these Examples.
実施例１
ポリウレタン樹脂に適量の着色剤と溶剤を加え、これに
ポリウレタン樹脂（固形分） １００重量部に対して１
３重量部の割合で熱膨張性マイクロカプセル（スエーデ
ン国、エクスパンセル社製の商品名。Example 1 Add appropriate amounts of colorant and solvent to polyurethane resin, and add 1 part by weight to 100 parts by weight of polyurethane resin (solid content).
3 parts by weight of thermally expandable microcapsules (trade name, manufactured by Expancel, Sweden).
ＥＸＰＡＮＣＥＬ Ｄｕ−４６１など）を混合し攪拌
することにより液状の配合液を作成する。そしてこの配
合液を脱泡した後、キャスティング法による場合は、適
宜離型紙、例えば皮革模様のある離型紙上にこの配合液
をドクターコーターにより厚さ０．１３■■に塗布し、
次いでこれを７０℃の温風により９０秒間加熱し表面に
被膜を生成させる。その上に接着剤を重ね塗りし再び７
０℃の温風で９０秒間加熱することにより該接着剤を半
乾燥状態にする。EXPANCEL Du-461, etc.) and stirred to create a liquid formulation. After defoaming this compounded liquid, when using the casting method, apply this compounded liquid to a thickness of 0.13■■ on appropriate release paper, for example, release paper with a leather pattern, using a doctor coater.
Next, this is heated with hot air at 70° C. for 90 seconds to form a film on the surface. Apply another layer of adhesive on top of that and repeat 7.
The adhesive is brought to a semi-dry state by heating with warm air at 0° C. for 90 seconds.
そしてその上に基材（湿式合成皮革ヘース）を貼り合せ
、接着剤を架橋させた後に前記離型紙を剥離する。こう
して離型紙を剥離した後これを１４０℃の熱風で１２０
秒間加熱する。この加熱により前記ウレタン樹脂配合液
中に混合されたマイクロカプセルが膨張し表面スェード
調の合成皮革を得ることができた。Then, a base material (wet synthetic leather heath) is laminated thereon, and after the adhesive is crosslinked, the release paper is peeled off. After peeling off the release paper in this way, it was heated to 120°C with hot air at 140°C.
Heat for seconds. By this heating, the microcapsules mixed in the urethane resin mixture expanded, and a synthetic leather with a suede-like surface could be obtained.
実施例２
実施例２は、コーティング法による場合で、予め製造さ
れた塩ビレザーまたは合成皮革等の既製のシートの表面
に、実施例１と同様に熱膨張性マイクロカプセルを混合
して作成されたウレタン樹脂配合液を０．３鶴程度に塗
布する。これを７０℃の温風に９０秒間さらして乾燥し
た後、さらに１４０℃の熱風で９０秒間加熱する。この
加熱によりマイクロカプセルが膨張して表面スェード調
の合成皮革を得ることができた。Example 2 Example 2 is based on a coating method, and was created by mixing thermally expandable microcapsules on the surface of a ready-made sheet such as pre-manufactured PVC leather or synthetic leather in the same manner as in Example 1. Apply the urethane resin mixture to about 0.3 inch. After drying this by exposing it to hot air at 70°C for 90 seconds, it is further heated with hot air at 140°C for 90 seconds. By this heating, the microcapsules expanded and it was possible to obtain synthetic leather with a suede-like surface.
このように本発明は、熱膨張性マイクロカプセルをポリ
ウレタン樹脂に配合してこの配合液を塗布し加熱するこ
とにより高級感ある表面スェード調の合成皮革が容易に
製造できる有益なものである。As described above, the present invention is advantageous in that it is possible to easily produce synthetic leather with a luxurious suede-like surface by blending thermally expandable microcapsules with a polyurethane resin, applying this blended solution, and heating.
Claims (1)
てなるウレタン樹脂配合液をキャスティング法又はコー
ティング法により基材の上に一定厚さに塗布し、これを
加熱することより前記熱膨張性マイクロカプセルを膨張
させて発泡成形することを特徴とする表面スエード調合
成皮革の製造方法。A urethane resin compounded liquid made by blending thermally expandable microcapsules with polyurethane resin is applied to a substrate to a certain thickness by a casting method or coating method, and the thermally expandable microcapsules are expanded by heating this. A method for producing synthetic leather with a suede-like surface, characterized by foam molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015379A JPH03220378A (en) | 1990-01-25 | 1990-01-25 | Production of synthetic leather having suede-like surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015379A JPH03220378A (en) | 1990-01-25 | 1990-01-25 | Production of synthetic leather having suede-like surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03220378A true JPH03220378A (en) | 1991-09-27 |
Family
ID=11887135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015379A Pending JPH03220378A (en) | 1990-01-25 | 1990-01-25 | Production of synthetic leather having suede-like surface |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03220378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100574828B1 (en) * | 1997-12-31 | 2006-12-22 | 주식회사 케이씨씨 | A composition of water paint having decorative proporty |
-
1990
- 1990-01-25 JP JP2015379A patent/JPH03220378A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100574828B1 (en) * | 1997-12-31 | 2006-12-22 | 주식회사 케이씨씨 | A composition of water paint having decorative proporty |
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