WO2008049315A1 - Composition de polyuréthane protectrice de l'environnement utilisée pour un cuir synthétique favorable pour l'environnement, cuir synthétique obtenu à partir de cette composition et sa fabrication - Google Patents

Composition de polyuréthane protectrice de l'environnement utilisée pour un cuir synthétique favorable pour l'environnement, cuir synthétique obtenu à partir de cette composition et sa fabrication Download PDF

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Publication number
WO2008049315A1
WO2008049315A1 PCT/CN2007/002806 CN2007002806W WO2008049315A1 WO 2008049315 A1 WO2008049315 A1 WO 2008049315A1 CN 2007002806 W CN2007002806 W CN 2007002806W WO 2008049315 A1 WO2008049315 A1 WO 2008049315A1
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WO
WIPO (PCT)
Prior art keywords
synthetic leather
polyurethane composition
friendly
environmentally
carbon powder
Prior art date
Application number
PCT/CN2007/002806
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English (en)
Chinese (zh)
Inventor
Ningzhang Guan
Original Assignee
Ningzhang Guan
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Filing date
Publication date
Application filed by Ningzhang Guan filed Critical Ningzhang Guan
Publication of WO2008049315A1 publication Critical patent/WO2008049315A1/fr

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
    • 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
    • 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
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides

Definitions

  • the present invention relates to the field of synthetic leather, and more particularly to an environmentally friendly polyurethane composition for synthetic leather, a synthetic leather prepared therefrom, and a process for preparing the synthetic leather.
  • the polyurethane resin after dilution and adding wood powder or other filling materials, through the process of permeate leveling, defoaming and solidification, according to the performance of the polyurethane resin, the moisture separation method can be adopted.
  • the production of leather by the two methods of dry method has achieved good results, and has also achieved rich returns and benefits.
  • a large amount of chemical substances are required, which is very harmful to environmental protection and human health.
  • material requirements have also increased, and health and environmental protection have placed new demands on synthetic leather products.
  • Carbon is a porous material with a large specific surface area and strong adsorption, decomposition, purification, deodorization, far infrared and negative ion performance.
  • charcoal has been used in the fields of health care, decoration, packaging, etc. Due to the adsorption and absorption of carbon on carbon, the temperature rise and the proliferation of mold and microorganisms are suppressed, and the effect of preventing mildew and temperature is regulated. The negative ion effect of charcoal can be comfortable and pleasant. It is a peace of mind, and charcoal is an excellent electrical conductor that blocks electromagnetic radiation and is good for health. How to combine the above functions of charcoal with synthetic leather to fully utilize the essential functions of charcoal has not been reported.
  • Another object of the present invention is to produce a synthetic leather which is good in adsorption, health and environmental protection on the basis of the above.
  • the present invention also provides a method of preparing the above synthetic leather.
  • An environmentally-friendly polyurethane composition for synthetic leather comprising the following components in percentage by weight: ⁇ 35 % to 60%
  • the present invention further comprises from 1% to 12% of functional nanomaterials.
  • Functional nanomaterials decompose organic matter and sterilize, enriching the function of synthetic leather.
  • the above-mentioned polyurethane composition for environmentally-friendly synthetic leather comprises the following components in percentage by weight:
  • the above carbon powder may be one or more selected from the group consisting of activated carbon, bamboo charcoal, and charcoal.
  • the charcoal powder is bamboo charcoal.
  • the above carbon powder is a carbon powder of 600 to 2000 mesh.
  • the functional nanomaterial described above is one or a mixture of anatase type nano titanium dioxide, nano silicon dioxide, nano zinc oxide, and nano aluminum oxide.
  • the above functional nano material is a mixture of anatase type nano titanium dioxide and nano silicon dioxide, anatase type nano titanium dioxide accounts for 0.4% to 6% of the total weight, and nano silicon dioxide accounts for 0.8% of the total weight. ⁇ 6%.
  • the above-mentioned environmentally-friendly polyurethane composition for synthetic leather further comprises 0.4% to 1% of a defoaming agent.
  • the above-mentioned environmentally-friendly polyurethane composition for synthetic leather further comprises from 1% to 2.5% of a modified cyclic resin.
  • the modified epoxy resin is modified epoxy 385A produced by Shanghai Juxing Chemical Co., Ltd.
  • the main purpose of adding modified epoxy resin is to make the synthetic leather have high gloss, high toughness and good impact resistance.
  • the present invention provides an environmentally-friendly synthetic leather obtained by the above-described synthetic leather polyurethane composition, which is obtained by coating the above polyurethane composition on a leather base cloth and drying it.
  • the present invention provides a method of preparing the above-described environment-friendly synthetic leather, which comprises the following steps:
  • step 3 adding the mixture of carbon powder and acetone obtained by the above step 2) to step 1) Mixing and mixing in the obtained mixture; adding a coagulant, stirring and mixing to obtain a polyurethane composition;
  • the leather base cloth is wet, and the upper water squeezing machine controls the water content of the base cloth to 0.2 ⁇ 0.4kg per square meter ;
  • the polyurethane fabric is coated on the leather base cloth. After the coating is completed, the upper light temperature control device is used. The temperature of the temperature control device is weak to strong, and the light temperature control device is 20 to 40 meters. Cool down the machine, mature, and dry the dryer to produce the finished product.
  • step 1) nano silica is added and stirred, and in step 5), anatase nano titanium dioxide is added and stirred.
  • the temperature of the temperature control device in step 5) is from weak to strong 30 ° ( ⁇ 80 ° C.
  • the invention adopts the above technical scheme, uses carbon powder instead of lignin, and can absorb harmful substances and gases in the ingredients in the stirring of the batching furnace, which is beneficial to environmental protection and worker health.
  • the combination of carbon powder and synthetic leather enables the essential function of carbon to be fully utilized in synthetic leather.
  • the present invention also adds a functional nano material based on the above, and the functional nano material can be adsorbed in the pores of the carbon, not only retaining the adsorption performance of the original carbon, but also utilizing the functional nano material in the light. It can kill bacteria, viruses and decompose toxic and harmful substances (such as formaldehyde, benzene, etc.) into carbon dioxide and water. .
  • the invention also designs a strong light temperature control production line.
  • the solvent volatilizes, forcing the functional nano material to be adsorbed in the pores of the carbon, and the functional nano material can be in the production process due to the strong light effect.
  • Hazardous substances are broken down into carbon dioxide and water. Therefore, the synthetic leather of the present invention has less harmful substances in the preparation process, and the final product has no odor.
  • the mixing process of the above composition is as follows: 1. Add the polyurethane resin of the above formula to NN-dimethylformamide, stir and stir for 20 minutes, then add nano silica to continuously stir; 2 take 600 ⁇ 2000 mesh carbon powder Add acetone to filter, filter; 3 Add the mixture of carbon powder and acetone obtained in the above step 2 to the mixture obtained in step 1, stir and stir for 20 minutes; 4 add coagulant (80), defoamer ( The mixture was stirred for 15 minutes, and then anatase-type nano-titanium dioxide was added and stirred for 40 minutes, and mixed to obtain a polyurethane composition.
  • the polyurethane composition for environmentally friendly synthetic leather consists of the following components in percentage by weight: Polyurethane resin 41 %
  • the mixing process of the above composition may employ the technical solution as described in Example 1.
  • the mixing process of the above composition may employ the technical solution as described in Example 1.
  • the preparation method of environmentally-friendly synthetic leather 1 wet the leather base cloth, wet the leather base cloth, and control the water content of the base cloth to 0.2 ⁇ 0.4kg per square meter on the upper water squeezing machine ; 2 the coating machine on the leather base cloth Applying the above-mentioned Example 1 or Example 2 or Example 3 to obtain a polyurethane composition, after the coating is completed, the upper water line is taken 5 meters, and then the upper light temperature control device is used, and the temperature of the temperature control device is from weak to strong 30. °C -80 °C, take 20 ⁇ 40 meters on the glare temperature control device and cool down the machine, mature for 2 hours, and dry the dryer to make the finished product.
  • Test basis "Method for determination of formaldehyde in air in public places" GB/T18204.26-2000, “Method for determination of ammonia in public places” GB/T18204.25-2000.
  • Test conditions 1. Cut the synthetic leather prepared above into pieces; 2. Experimental temperature: 31 ⁇ 1 °C, relative humidity: 66 ⁇ 2%; 3, 2 sealed containers with a volume of 1 M 3 , air pressure 1004. 5hPa.
  • Test method 1. Test and analyze the synthetic leather fragments adsorbed with ammonia and formaldehyde every 2h (parallel experiment), test the quality of adsorbed ammonia and formaldehyde until the total mass of carbon does not change; 2. Sealing container and formaldehyde standard gas concentration of ammonia were: 1.25g / m 3, L2g / m 3.
  • test results are shown in the table below -
  • Test basis Refer to GB/T12496.5-1999 "Test method for wood activated carbon - Determination of carbon tetrachloride adsorption rate (activity)" method, using benzene, toluene instead of carbon tetrachloride for adsorption test.
  • Test conditions 1, synthetic leather strip 150X 3mm; 2, experimental temperature: 28 soil 1 ° C, relative humidity: 80 ⁇ 2%; 3, gas flow: 60 ⁇ 5ml / niin; 4, adsorption time: 30min.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

L'invention porte sur une composition de polyuréthane (PU) protectrice de l'environnement, utilisée en particulier pour un cuir synthétique favorable pour l'environnement, sur un cuir synthétique et sur une fabrication de celui-ci. une composition de (PU) utilisée pour un cuir synthétique favorable pour l'environnement comprend les composants suivants : résine de polyuréthane 35-60 %, poudre de carbone 10-35 %, coagulant 0,8-3 %, N,N-diméthylformamide 1-10 % et acétone 15-35 %, les pourcentages étant en poids. De plus, est ajoutée une matière nano-fonctionnelle à raison de 1-12 %. Dans l'invention, conformément au mode de réalisation mentionné ci-dessus, de la poudre de carbone est utilisée à la place de la lignine utilisée par le passé, de telle sorte que des substances nocives et des gaz dans la formule sont adsorbés par la poudre de carbone pendant l'agitation dans l'étuve de dosage. Ceci est avantageux pour la protection de l'environnement et la santé des opérateurs. En attendant, la fonction intrinsèque de la poudre de carbone est exercée suffisamment dans le cuir synthétique par la combinaison de poudre de carbone et de cuir synthétique. L'invention porte également sur un cuir synthétique fait de la composition de PU utilisée pour le cuir synthétique et sur sa fabrication.
PCT/CN2007/002806 2006-10-24 2007-09-24 Composition de polyuréthane protectrice de l'environnement utilisée pour un cuir synthétique favorable pour l'environnement, cuir synthétique obtenu à partir de cette composition et sa fabrication WO2008049315A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610053939.X 2006-10-24
CN200610053939A CN1958670B (zh) 2006-10-24 2006-10-24 一种环保型合成革用聚氨酯组合物及由其制备的合成革和该合成革的制备方法

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WO2008049315A1 true WO2008049315A1 (fr) 2008-05-02

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WO (1) WO2008049315A1 (fr)

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CN101284941B (zh) * 2008-05-15 2010-08-04 苏州宝泽高分子材料有限公司 合成革用高固高光树脂组合物
CN101935450B (zh) * 2010-08-13 2012-04-18 南京林业大学 一种竹炭慢回弹泡沫材料的生产方法
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CN102504521B (zh) * 2011-10-26 2013-04-03 金猴集团威海鞋业有限公司 一种鞋底材料
CN102965964B (zh) * 2012-11-25 2014-04-09 安徽安利合成革股份有限公司 一种超柔软耐磨仿真皮聚氨酯鞋里革的制造方法
CN103266497A (zh) * 2013-05-27 2013-08-28 曾皓 一种环保炭pu人造革及其制备方法
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CN103643533B (zh) * 2013-12-16 2015-07-15 上海华峰超纤材料股份有限公司 环保隔热保温超纤合成革及其制备方法
CN104480740A (zh) * 2014-10-23 2015-04-01 合肥金伶俐服饰有限公司 一种仿真皮服装用聚氨酯合成革及其生产方法
CN104499301B (zh) * 2014-11-17 2016-05-11 杭州苏威进出囗有限公司 一种耐久性环保湿式Pu合成皮革的制备工艺
CN105986486A (zh) * 2016-01-26 2016-10-05 芜湖环瑞汽车内饰件有限公司 一种自吸附异味的汽车内饰用仿皮材料及其制备方法
CN105696359B (zh) * 2016-01-30 2018-06-29 江西豪普高科涂层织物有限公司 一种具有吸附功能的环保人造合成革的制备方法
CN105908524B (zh) * 2016-06-24 2018-06-29 安徽省思维新型建材有限公司 一种无异味自洁净聚氨酯合成革的制备方法
CN108587425A (zh) * 2017-05-03 2018-09-28 宋金火 一种抗菌光触媒水性聚氨酯合成革的配方及工艺
CN107674563A (zh) * 2017-09-11 2018-02-09 遂昌玄乐炭复合材料有限公司 一种竹炭吸附环保型水性聚氨酯基材及其制备方法
CN107699119A (zh) * 2017-09-11 2018-02-16 遂昌玄乐炭复合材料有限公司 一种白炭黑吸附环保型合成革水性聚氨酯涂料及其制备的水性合成革贝斯
CN107739570A (zh) * 2017-09-11 2018-02-27 遂昌玄乐炭复合材料有限公司 一种白炭黑吸附环保型水性聚氨酯基材及其制备方法
CN107558245A (zh) * 2017-09-11 2018-01-09 遂昌玄乐炭复合材料有限公司 一种吸附性环保型水性合成革贝斯及其的制备方法
CN107674564A (zh) * 2017-09-11 2018-02-09 遂昌玄乐炭复合材料有限公司 一种竹炭吸附环保型水性聚氨酯墙布
CN107603442A (zh) * 2017-09-11 2018-01-19 遂昌玄乐炭复合材料有限公司 一种竹炭吸附环保型合成革水性聚氨酯涂料及其制备的水性合成革贝斯
CN110184827A (zh) * 2019-05-15 2019-08-30 安徽省思维新型建材有限公司 一种具有粉尘吸附功能的环保革的制备方法
CN110093789A (zh) * 2019-05-15 2019-08-06 安徽省思维新型建材有限公司 一种吸附粉尘的改性二氧化硅/稀土/聚氨酯合成革
CN112812674A (zh) * 2021-01-08 2021-05-18 广东骏丰频谱股份有限公司 一种具有远红外频谱功效的聚氨酯及其制备方法与应用

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JPS5148654B1 (fr) * 1973-07-26 1976-12-22
JPS58186678A (ja) * 1982-04-21 1983-10-31 旭化成株式会社 皮革状物
JP2003138487A (ja) * 2001-10-26 2003-05-14 Komatsu Seiren Co Ltd 着色された合成皮革およびその製造方法
JP2004157220A (ja) * 2002-11-05 2004-06-03 Kanegafuchi Chem Ind Co Ltd 導電性ローラ
JP2004211258A (ja) * 2003-01-08 2004-07-29 Kuraray Co Ltd 意匠形成用皮革様シート
US20040202867A1 (en) * 2003-04-14 2004-10-14 Chang-Cing Kuo Nanometer structured synthetic leather and its fabrication method
CN1958670A (zh) * 2006-10-24 2007-05-09 管宁章 一种环保型合成革用聚氨酯组合物及由其制备的合成革和该合成革的制备方法

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