JPH0379662A - Urethane resin composition for synthetic leather - Google Patents
Urethane resin composition for synthetic leatherInfo
- Publication number
- JPH0379662A JPH0379662A JP2114443A JP11444390A JPH0379662A JP H0379662 A JPH0379662 A JP H0379662A JP 2114443 A JP2114443 A JP 2114443A JP 11444390 A JP11444390 A JP 11444390A JP H0379662 A JPH0379662 A JP H0379662A
- Authority
- JP
- Japan
- Prior art keywords
- gelatin
- urethane resin
- resin composition
- water
- synthetic leather
- 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
- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims abstract description 28
- 239000011342 resin composition Substances 0.000 title claims description 15
- 239000002649 leather substitute Substances 0.000 title claims description 12
- 108010010803 Gelatin Proteins 0.000 claims abstract description 61
- 229920000159 gelatin Polymers 0.000 claims abstract description 61
- 235000019322 gelatine Nutrition 0.000 claims abstract description 61
- 235000011852 gelatine desserts Nutrition 0.000 claims abstract description 61
- 239000008273 gelatin Substances 0.000 claims abstract description 60
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000010985 leather Substances 0.000 claims abstract description 16
- 239000007864 aqueous solution Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 1
- 230000003578 releasing effect Effects 0.000 abstract 1
- 229920005749 polyurethane resin Polymers 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 102000004190 Enzymes Human genes 0.000 description 7
- 108090000790 Enzymes Proteins 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 241000269350 Anura Species 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は天然および合成皮革のトップ皮膜として利用可
能な優れた耐水性、吸放出性、通気性を有する合成皮革
用ウレタン樹脂組成物に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a urethane resin composition for synthetic leather that has excellent water resistance, absorption/release properties, and air permeability and can be used as a top coating for natural and synthetic leather. It is.
（従来の技術）
表面銀尺層が傷ついた２級天然皮革の表面および床革の
表面には一般に表面処理剤が塗布されるが、その表面処
理層は耐水性、吸放出性、通気性に欠け、天然皮革の風
合いを減少させる。(Prior art) A surface treatment agent is generally applied to the surface of second-grade natural leather and the surface of floor leather, where the surface grain layer has been damaged. Chips and reduces the texture of natural leather.
また、天然皮革に近い合成皮革としてウレタン樹脂シー
トが提供されているが、そのトラフ１または全体におい
て耐水性、吸放出性、通気性に欠け、天然皮革の風合い
に遠い性質となっている。Further, although urethane resin sheets are provided as synthetic leathers that are similar to natural leathers, the trough 1 or the entire sheet lacks water resistance, absorption/release properties, and air permeability, and the texture is far from that of natural leathers.
（発明が解決しようとする課題）
上記性質を改善するためウレタン樹脂に対しゼラチンを
混合することが提案されるものの、ウレタン樹脂に対し
て均一に分散混合されにくいという問題点があり、ゼラ
チンを改質特性を充分に生かせない現状にある。(Problems to be Solved by the Invention) Although it has been proposed to mix gelatin with urethane resin in order to improve the above properties, there is a problem that it is difficult to disperse and mix the urethane resin uniformly. The current situation is that the quality characteristics cannot be fully utilized.
そこで、本発明は合戒皮革用ウレタン樹脂組戒物に対し
均一に分散混合され、その樹脂製品の表面性質を改善す
ることのできるゼラチンとの混合組成物を提供すること
を目的とする。Therefore, an object of the present invention is to provide a mixed composition with gelatin that can be uniformly dispersed and mixed into a urethane resin compound for use in leather products and can improve the surface properties of the resin product.
（課題を解決のための手段）
本発明はウレタン樹脂の特性に応じ、ゼラチンを超微粉
末等の特殊な形態で混合すると、ウレタン樹脂に対し均
一分散混合されることに着目してなされたもので、
水溶性ウレタン樹脂（固形分）に対し、乾燥重量で略等
量までのゼリー状ゼラチンまたは低分子ゼラチン水溶液
あるいは超微粉末ゼラチンを混合するか、または溶剤型
ウレタン樹脂（固形分）に対し、乾燥重量で略等量まで
の超微粉末ゼラチンまたはＤＭＦと低分子ゼラチン水溶
液の予備混合物を混合してなる合成皮革用ウレタン用１
１１＆Ｉｕ戒物にある。(Means for solving the problem) The present invention was made based on the fact that when gelatin is mixed in a special form such as ultrafine powder according to the characteristics of urethane resin, it is uniformly dispersed and mixed into the urethane resin. Then, water-soluble urethane resin (solid content) is mixed with jelly-like gelatin, an aqueous solution of low-molecular-weight gelatin, or ultrafine powder gelatin in an approximately equal amount by dry weight, or water-soluble urethane resin (solid content) is mixed with approximately the same amount of jelly-like gelatin, low-molecular-weight gelatin aqueous solution, or ultrafine powder gelatin. , 1 for synthetic leather urethane made by mixing a preliminary mixture of ultrafine powder gelatin or DMF and an aqueous solution of low-molecular-weight gelatin in approximately equal dry weight amounts.
It is in the 11 & Iu precepts.
ここで、超微粉末ゼラチンとしては、低分子（２万以下
）および高分子ゼラチンの１００μ以下、好ましくは２
０μ以下の粉末が好ましい、ゼラチンの超微粉末形成方
法としては、特願平１−１０９６９７号記載の方法が採
用されてよい。Here, the ultrafine gelatin powder includes low-molecular gelatin (20,000 μm or less) and high-molecular gelatin of 100 μm or less, preferably 2
The method described in Japanese Patent Application No. 1-109697 may be employed as a method for forming ultrafine powder of gelatin, which preferably has a powder size of 0 μm or less.
他方、上記ゼリー状ゼラチンとしては、水分含有量はぼ
５０％のものが使用される。On the other hand, the jelly-like gelatin used has a water content of approximately 50%.
また、低分子ゼラチン水溶液とは酵素処理して不純物を
除去したものが使用される。この酵素処理方法は特願平
１−１０９６９７号記載の方法が採用されてよい。Furthermore, the aqueous solution of low-molecular-weight gelatin is one that has been treated with an enzyme to remove impurities. As this enzyme treatment method, the method described in Japanese Patent Application No. 1-109697 may be adopted.
上記水溶性ウレタン樹脂と各種ゼラチンを混合する場合
、中性あるいは弱アルカリ領域で混合するのが好ましい
。When mixing the above-mentioned water-soluble urethane resin and various gelatins, it is preferable to mix them in a neutral or weakly alkaline region.
他方、低分子ゼラチン水溶液を溶剤型ウレタン樹脂と混
合する場合は予めＤＭＦと予備混合して混合するのが好
ましい。On the other hand, when mixing a low-molecular-weight gelatin aqueous solution with a solvent-type urethane resin, it is preferable to premix it with DMF in advance.
（作用効果）
上記合成皮革用ウレタン樹脂組成物を用いて、天然皮革
上にまたは基布上にあるいは合成皮革上に接着剤を介し
てウレタン樹脂トンブ皮膜を形成すると、天然皮革にお
いては天然の風合いを減退させることなく、優れた耐水
性、吸放出性、通気性を付与することができる。(Effect) When a urethane resin film is formed on natural leather, on a base fabric, or on synthetic leather with an adhesive using the above-mentioned urethane resin composition for synthetic leather, the natural texture of the natural leather is obtained. It is possible to impart excellent water resistance, absorption/release properties, and breathability without reducing the properties.
基布上に塗布した場合は、従来のウレタン樹脂皮革にな
い優れた耐水性、吸放出性、通気性を有することになる
とともに、天然皮革の風合いを出すことができる。When applied onto a base fabric, it has excellent water resistance, absorption/release properties, and air permeability that are not found in conventional urethane resin leather, and can give the feel of natural leather.
合成皮革、特にウレタン樹脂皮革上に塗布した場合は、
優れた耐水性、吸放出性、通気性を有する天然皮革の風
合いを与えることができる。When applied on synthetic leather, especially urethane resin leather,
It can provide the texture of natural leather with excellent water resistance, absorption/release properties, and breathability.
以下、本発明を添付図面に示す具体例に基づき詳細に説
明することにする。Hereinafter, the present invention will be explained in detail based on specific examples shown in the accompanying drawings.
（製造例１）
上質生牛皮を水に浸漬し、６０″Ｃで６時間煮処理して
粗製ゼラチン水溶液を得る。これを約１５％水溶液に調
整し、ゼラチン固形分に対しビオプラーゼ（ナガセ生化
学工業■製）を含む酵素的Ｏ１ｌ〜０．２％を加え、６
０℃、ｐＨ６〜９で２０〜３０分間反応させ、次いでこ
の溶液を約１３０゛Ｃ１１，５ｋｇ／ｃ＋１に２０分間
加熱加圧して酵素を失活させると、酵素分子はゼラチン
中の不に物と凝集してフロ・ングを形成する。そこで、
濾過装置を用いて濾過すると精製された低分子量ゼチラ
ン水溶液が生成する。(Production Example 1) High-quality raw cowhide is soaked in water and boiled at 60"C for 6 hours to obtain a crude gelatin aqueous solution. This is adjusted to an approximately 15% aqueous solution, and bioplase (Nagase Biochemical Co., Ltd.) is added to the gelatin solid content. Add 1 l~0.2% of enzymatic O containing (manufactured by Kogyo),
React for 20-30 minutes at 0°C and pH 6-9, then heat and pressurize this solution to about 130°C11.5kg/c+1 for 20 minutes to inactivate the enzyme, and the enzyme molecules will be separated from the waste materials in gelatin. Agglomerates to form flo-ng. Therefore,
When filtered using a filtration device, a purified aqueous solution of low molecular weight zetylan is produced.
この分子量を測定すると、平均分子量５７００程度（粘
度法測定による）であり、粘性の低い溶液をなす。When this molecular weight is measured, the average molecular weight is about 5,700 (measured by a viscosity method), forming a solution with low viscosity.
（製造例２）
上記製造例１で得られた低分子量ゼラチン水溶液をドラ
ム乾燥機を用いて１２０°Ｃのドラム表面に塗布して乾
燥させ、その表面から乾燥ゼラチンを掻き取ると、水分
５％未満の乾燥ゼラチン粗大粉末が得られる。この粗大
ゼラチン粉末Ｗを第１図に示す超音速ジェットミルＣＩ
ＤＳ式超音速ジェッ）１ル（日本ニューマチ・ンク工
業株式会社）〕に投入し、圧縮空気Ａによりり超音速ノ
ズルＮへ吸引加速すると、マツハ２．５〜３．Ｏの速度
で前方の衝突ＦｉＰに衝突して粉砕される。粉砕された
粒子を分級機によって分級し、粗大粒子は再度超音速ノ
ズルＮに戻し、粉砕を繰り返す。得られるゼラチン粉末
は殆どが２０ξクロン程度に微粉砕されていた。(Production Example 2) The low molecular weight gelatin aqueous solution obtained in Production Example 1 above was applied to the drum surface at 120°C using a drum dryer and dried, and when the dried gelatin was scraped off from the surface, the water content was 5%. A dry gelatin coarse powder of less than 100 ml is obtained. This coarse gelatin powder W is processed using a supersonic jet mill CI shown in FIG.
DS type supersonic jet) 1 (Japan Pneumatic Industry Co., Ltd.)], and when compressed air A is sucked into supersonic nozzle N and accelerated, Matsuha 2.5 to 3. It collides with the collision FiP in front at a speed of O and is crushed. The pulverized particles are classified by a classifier, and coarse particles are returned to the supersonic nozzle N to repeat pulverization. Most of the gelatin powder obtained was finely pulverized to about 20ξ croons.
（！！！造例３）
工業用ゼラチンを加温下に溶解して粗製ゼラチン水溶液
を調整し、実施例１と同様にして蛋白分解処理を施し、
加温加圧処理に付すると、粗製ゼラチン水溶液中の不純
物が酵素分子とフロッグを形成して凝集する。これを濾
過すると、清澄なゼラチン水溶液が得られる。(!!! Preparation Example 3) A crude gelatin aqueous solution was prepared by dissolving industrial gelatin under heating, and subjected to proteolytic treatment in the same manner as in Example 1.
When subjected to heating and pressure treatment, impurities in the crude gelatin aqueous solution form frogs with enzyme molecules and aggregate. When this is filtered, a clear aqueous gelatin solution is obtained.
（製造例４）
製造例３で得られるゼラチン水溶液を製造例２と同様に
して乾燥、微粉砕処理を施し、２０ミクロン程度のゼラ
チン粉末を得る。(Production Example 4) The aqueous gelatin solution obtained in Production Example 3 is dried and pulverized in the same manner as in Production Example 2 to obtain gelatin powder of about 20 microns.
（製造例５）
工業用ゼラチン粒子を製造例２と同様して超音速シェツ
トミルに付し、微粉砕して１００ミクロン以下のゼラチ
ン粉末を得る。(Production Example 5) Industrial gelatin particles are subjected to a supersonic shet mill in the same manner as in Production Example 2 and pulverized to obtain gelatin powder of 100 microns or less.
（実施例１）
水溶性ポリウレタン樹脂エマルジジン（商品名アイゼラ
ックスＳ−３０２ＯＮ；保土谷化学工業製、固形分４０
％、ｐＨ７，５）１００重量部に対しアイゼラックス添
加剤ＨＮ２５（アジリジン系架橋剤）５部、ゼラチン分
として２０μ以下の、ｐＨ７，０〜８．０に調整された
低分子ゼラチン超微粉末１０，２０．３０．４０部およ
びその他顔料等を撹拌混合機で撹拌調整してポリウレタ
ン樹脂組成物を得る。 （実施例２）
ゼラチン超微粉末として酵素処理しない高分子ゼラチン
超微粉末（２０μ以下、ｐＨ７，０〜８゜０に調整）を
使用する以外は実施例１と同様にしてポリウレタン樹脂
組成物を得る。(Example 1) Water-soluble polyurethane resin emulzidine (trade name Izerax S-302ON; manufactured by Hodogaya Chemical Industry, solid content 40
%, pH 7.5) to 100 parts by weight, 5 parts of Izerax additive HN25 (aziridine crosslinking agent), and 10 parts of ultrafine low-molecular-weight gelatin powder adjusted to pH 7.0 to 8.0, with a gelatin content of 20μ or less. , 20.30.40 parts and other pigments and the like are stirred and adjusted using a stirring mixer to obtain a polyurethane resin composition. (Example 2) A polyurethane resin composition was prepared in the same manner as in Example 1, except that ultrafine polymer gelatin powder (20μ or less, pH adjusted to 7.0 to 8.0), which was not subjected to enzyme treatment, was used as ultrafine gelatin powder. obtain.
（実施例３）
ゼラチン分として低分子ゼラチン水溶液（水分含有量的
５０％、ｐＨ７，０〜８．０に調整）を使用する以外は
実施例１と同様にしてポリウレタン組成物を得る。(Example 3) A polyurethane composition is obtained in the same manner as in Example 1, except that an aqueous low-molecular-weight gelatin solution (water content 50%, pH adjusted to 7.0 to 8.0) is used as the gelatin component.
（実施例４）
ゼラチン分としてゼリー状ゼラチン（水分含有量的５０
％、ｐＨ７，０〜８．０にｌｉ整）を使用する以外は実
施例１と同様にしてポリウレタン樹脂組成物を得る。(Example 4) Jelly gelatin (water content: 50
A polyurethane resin composition is obtained in the same manner as in Example 1, except that the pH is adjusted to 7.0 to 8.0.
（実施例５）
溶剤型ポリウレタン樹脂（商品名ラックスキン；セイコ
ー化成製、固形分３０％’）１００重量部に対し溶剤（
ＭＥＫ）３０部、ゼラチン分として２０μ以下の低分子
ゼラチン超微粉末５．１０．２０．３０部およびその他
顔料等を撹拌混合機で撹拌調整してポリウレタン樹脂組
成物を得る。(Example 5) A solvent (
A polyurethane resin composition is obtained by stirring and adjusting 30 parts of MEK), 5.10.20.30 parts of low-molecular-weight gelatin ultrafine powder of 20 μm or less as gelatin, and other pigments, etc. using a stirring mixer.
（実施例６）
ゼラチン超微粉末として酵素処理しない高分子ゼラチン
超微粉末（２０μ以下）を使用する以外は実施例５と同
様にしてポリウレタン樹脂組成物を得る。(Example 6) A polyurethane resin composition is obtained in the same manner as in Example 5, except that ultrafine polymer gelatin powder (20 μm or less) not subjected to enzyme treatment is used as ultrafine gelatin powder.
（実施例７）
ゼラチン分として低分子ゼラチン水溶液（水分含有量的
５０％）を予めＤＭＦと予備混合して使用する以外は実
施例５と同様にしてポリウレタン樹脂組成物を得る。(Example 7) A polyurethane resin composition is obtained in the same manner as in Example 5, except that an aqueous low-molecular-weight gelatin solution (50% water content) is premixed with DMF as the gelatin component.
（応用例１）
天然皮革の銀尺層をペーパー掛けしてフラットにし、上
記実施例１〜７で調整されたポリウレタン樹脂ｍ酸物を
用いて５０〜１５０ｇ／ｒｒｒのトップ層を２成型ウレ
タン接着剤を介して形成した。(Application example 1) A silver scale layer of natural leather is made flat by papering, and a top layer of 50 to 150 g/rrr is formed using polyurethane resin m-acid prepared in Examples 1 to 7 above. Two molded urethane adhesives are used. It was formed through an agent.
（応用例２）
床革をペーパー掛けしてフラットにし、上記実施例１〜
７で調整されたポリウレタン樹脂組放物を用いて１００
〜２００ ｇ／ｒｒｒのトップ層を２成型ウレタン接着
剤を介して形成した。(Application example 2) Floor leather is covered with paper to make it flat, and the above Example 1~
100 using a polyurethane resin assembly parabolite adjusted in 7.
A top layer of ~200 g/rrr was applied via two molded urethane adhesives.
（応用例３）
不織布上に２成型ウレタン接着剤を介して上記実施例１
〜７で調整されたポリウレタン樹脂＆ｌＩ放物を用いて
５０〜１ｓ ｏ ｇ／ｒｒｔのトップ層を形成した。(Application Example 3) The above Example 1 was applied to the non-woven fabric using two molded urethane adhesives.
A top layer of 50 to 1 sog/rrt was formed using the polyurethane resin &lI parabolic prepared in 7 to 7.
（応用例４）
織布上に２成型ウレタン接着剤を介して上記実施例１〜
７で調整されたポリウレタン樹脂組成物を用いて５０〜
１５０ｇ／ｎｆのトップ層を形成した。(Application example 4) The above-mentioned Examples 1 to 2 are formed on the woven fabric through two molded urethane adhesives.
50~ using the polyurethane resin composition prepared in 7.
A top layer of 150 g/nf was formed.
（発明の効果）
以上の説明で明らかなように、本発明によれば、ゼラチ
ンの特性を充分に発揮するウレタン樹脂組成物が提供で
き、それを用いてトップ層または全体層を形成するので
、天然皮革の風合いをもち、優れた耐水性、吸放出性、
通気性を有する合成皮革を提供することができる。(Effects of the Invention) As is clear from the above description, according to the present invention, a urethane resin composition that fully exhibits the properties of gelatin can be provided, and since the top layer or the entire layer is formed using the urethane resin composition, Has the texture of natural leather, has excellent water resistance, absorption and release properties,
A synthetic leather having breathability can be provided.
第１図は本発明方法に利用する超音速ジェットミルの原
理を示す概要図である。FIG. 1 is a schematic diagram showing the principle of a supersonic jet mill used in the method of the present invention.
Claims (3)
で略等量までのゼリー状ゼラチンまたは低分子ゼラチン
水溶液あるいは超微粉末ゼラチンを混合してなる合成皮
革用ウレタン樹脂組成物。(1) A urethane resin composition for synthetic leather, which is prepared by mixing a water-soluble urethane resin (solid content) with approximately the same dry weight amount of jelly-like gelatin, an aqueous solution of low-molecular-weight gelatin, or ultrafine gelatin powder.
で略等量までの超微粉末ゼラチンまたはＤＭＦと低分子
ゼラチン水溶液の予備混合物を混合してなる合成皮革用
ウレタン樹脂組成物。(2) A urethane resin composition for synthetic leather, which is prepared by mixing a solvent-type urethane resin (solid content) with a preliminary mixture of ultrafine powder gelatin or DMF and an aqueous solution of low-molecular-weight gelatin in approximately the same amount by dry weight.
用ウレタン樹脂組成物を用いて、天然皮革上にまたは基
布上にあるいは合成皮革上に接着剤を介して形成したウ
レタン樹脂トップ皮膜を有するシート。(3) A urethane resin formed on natural leather, on a base fabric, or on synthetic leather via an adhesive using the urethane resin composition for synthetic leather according to claim (1) or (2) above. A sheet with a top film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900017256A KR910018483A (en) | 1989-04-27 | 1990-10-26 | Urethane Resin Composition for Synthetic Leather |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01109697 | 1989-04-27 | ||
| JP1-109697 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0379662A true JPH0379662A (en) | 1991-04-04 |
Family
ID=14516913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2114443A Pending JPH0379662A (en) | 1989-04-27 | 1990-04-27 | Urethane resin composition for synthetic leather |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0379662A (en) |
| KR (1) | KR910018483A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030062176A (en) * | 2002-01-16 | 2003-07-23 | 김인기 | Manufacturing methods of fabrous polymers emulsion |
-
1990
- 1990-04-27 JP JP2114443A patent/JPH0379662A/en active Pending
- 1990-10-26 KR KR1019900017256A patent/KR910018483A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030062176A (en) * | 2002-01-16 | 2003-07-23 | 김인기 | Manufacturing methods of fabrous polymers emulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| KR910018483A (en) | 1991-11-30 |
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