CN102817243A - Conductive polyurethane superfine fiber suede leather and preparing method thereof - Google Patents
Conductive polyurethane superfine fiber suede leather and preparing method thereof Download PDFInfo
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- CN102817243A CN102817243A CN2012103312595A CN201210331259A CN102817243A CN 102817243 A CN102817243 A CN 102817243A CN 2012103312595 A CN2012103312595 A CN 2012103312595A CN 201210331259 A CN201210331259 A CN 201210331259A CN 102817243 A CN102817243 A CN 102817243A
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Abstract
The invention discloses conductive polyurethane superfine fiber suede leather and a preparing method thereof. The preparing method comprises the steps of drying superfine fiber suede leather at a temperature in a range of 80 DEG C to 140 DEG C for 5 to 30 minutes, and impregnating the superfine fiber suede leather in a conductive solution for 5 to 50 seconds, wherein, the liquor ratio is between 1:1 and 1:20; and drying the impregnated solution at a temperature ranging from 80 DEG C to 140 DEG C for 5 to 30 minutes to obtain the conductive polyurethane superfine fiber suede leather. According to the conductive polyurethane superfine fiber suede leather and the preparing method thereof, preparing processes are all basic processes of synthetic leather businesses, no special requirements are asked for devices and process conditions, and the prepared conductive polyurethane superfine fiber suede leather can be applied to products of electronic touch screen gloves and the like and has enormous market prospects.
Description
Technical field
The present invention relates to a kind of polyurethane superfine fibre suede and manufacturing approach thereof, relate in particular to a kind of conductive polyurethane superfine fibre suede and manufacturing approach thereof.
Background technology
Along with fashionable whole world of product such as the iPhone of U.S. Apple, iPad, caused the popular of touch-screen electronic product in recent years.At present, touch-screen mainly contains two kinds of electric resistance touch screens and capacitance touch screen on the market.Electric resistance touch screen has advantages such as operation principle is simple, power consumption is less, but its shortcoming be the reaction time long, service life is short, light transmission rate is low and the anti scuffing ability.And capacitive touch screen has performances such as fast, long service life of reaction time and light transmission rate height, is the touch-screen of present main flow.Capacitive touch screen in use needs good Weak current transmission between finger and the touch-screen.
At the touch-screen electronic product in use; People hope under the temperature of cold, can have a kind of can the warming gloves that can normally use again; And the gloves that common superfine fiber chemical leather is made can not let touch-screen normally make a response when using the touch-screen electronic product, and reason wherein is that the material of making gloves can not conduct electricity.So invent a kind of conductive polyurethane superfine fibre suede that can conduction, be that people institute is very expected.
Summary of the invention
The purpose of this invention is to provide a kind of conductive polyurethane superfine fibre suede and manufacturing approach thereof, to overcome the defective that prior art exists.
Method of the present invention comprises the steps:
The superfine fibre suede after dry 30～5 minutes, was flooded 5～500 seconds in conduction liquid in 80～140 ℃ temperature, and bath raio is 1:1～1:20;
Being defined as of said bath raio: superfine fibre suede/conduction liquid, weight ratio;
In 80～140 ℃ temperature dry 30～5 minutes then, can obtain described conductive polyurethane superfine fibre suede;
The preparation method of said superfine fibre suede is conventional, and the superfine fiber chemical leather base cloth is carried out successively that split is handled, the mill skin is handled, after dyeing handles, can obtain the superfine fibre suede;
Said split is handled, the mill skin is handled and dyeing is treated to this area conventional treatment method, and those skilled in the art should know that it is to confirm product thickness and color according to the specific requirement of target product superfine fibre suede that split is handled specific requirement with dyeing.
Wherein the superfine fiber chemical leather base cloth is meant with the non-weaving cloth to be base; At the saturated dipping of fiber gap PU liquid; Through solidify, washing, decrement, drying and shaping form; Like document: " synthesis technique " (Qu Jianbo etc. synthetic leather technology [M]. Beijing: Chemical Industry Press, 2010.) report.The superfine fiber chemical leather base cloth can directly be buied from market.
Said conduction liquid comprises the component of following parts by weight:
Under 800～1600 rev/mins of stirrings, above-mentioned substance added in the container successively be uniformly dispersed, get final product conductive processing liquid;
Said aqueous polyurethane is selected from anion-type water-thinned polyurethane, cation-type water-thinned polyurethane or the non-ion aqueous polyurethane a kind of;
The definition of anion-type water-thinned polyurethane, cation-type water-thinned polyurethane, non-ion aqueous polyurethane such as document " water-base polyurethane material " (Xu Gewen etc. water-base polyurethane material [M]. Beijing: Chemical Industry Press, 2006.) report.Also there is Related product to sell on the market, like the Impranil LP RSC 1380 of Bayer Material Science Co., Ltd etc.
Wherein conductive powder is selected from one or more in electric conductive oxidation zinc powder, electric conductive oxidation indium powder or the conduction tin ash powder;
Wherein the electric conductive oxidation zinc powder is meant the conductive powder that in zinc oxide, is doped with small amount of aluminum, gallium, indium grade in an imperial examination III major element or halogens such as chlorine, iodine, and the present invention selects the powder of particle diameter between 10nm～20 μ m for use;
Wherein electric conductive oxidation indium powder is meant element conductive powders such as in indium oxide, being doped with a small amount of tin, and the present invention selects the powder of particle diameter between 10nm～20 μ m for use;
The tin ash powder that wherein conducts electricity is meant the conductive powder that in tin ash, is doped with small amount of aluminum, gallium, indium grade in an imperial examination III major element or halogens such as chlorine, iodine, and the present invention selects the powder of particle diameter between 10nm～20 μ m for use;
Said cosolvent is 1-Methoxy-2-propyl acetate, ethyl acetate, oxolane, 1, in 4-dioxane, acetone or the methyl-sulfoxide one or more;
Said anti-settling agent is one or more in aerosil, castor oil derivative (like the Thixomen of Britain ICI company), the polyamide wax (like the Thixatrol p200x anti-settling agent of this special chemical company of sea name);
Said wetting dispersing agent is one or more in polyether-modified dimethyl silicone polymer, polyether-modified trisiloxanes, the polyether modified siloxane phosphate.
In the manufacturing approach provided by the invention, conductive materials is a colourless transparent material, can not change the apparent colour of superfine fibre suede in the preparation process, and conductive effect is good; And select the carrier both environmental protection of aqueous polyurethane for use as conducting objects; Thereby after dried, can form a certain amount of hydrogen bond again with the polyurethane in the superfine fibre suede and guarantee the bonding intensity of conducting objects in the superfine fibre suede; Make it be not easy to be water-washed away, and can improve the colorfastness to rubbing of superfine fibre suede to a certain extent.It all is the basic process of synthetic leather industry that this method prepares process, and equipment and process conditions are not had specific (special) requirements, and the conduction superfine fibre suede for preparing can be applicable to products such as electronic touch screen gloves, has huge market prospects.
The specific embodiment
Further specify the present invention with embodiment below, but the present invention is not limited.
Embodiment 1
(1) the superfine fiber chemical leather base cloth is carried out successively split is handled, the mill skin is handled, dyeing is handled and obtained the superfine fibre suede.
(2) the superfine fibre suede of (1) being handled well in 80 ℃ temperature dry 30 minutes; Then immersed in the conductive processing liquid 5 seconds, bath raio is 1:1, takes out then; Drying is 30 minutes in 80 ℃ temperature, can obtain a kind of kind of conductive polyurethane superfine fibre suede that can conduct electricity.
Consisting of of conductive processing liquid:
1, aqueous polyurethane Impranil LP RSC 1380:100 part
2, electric conductive oxidation zinc powder: 50 parts
3, deionized water: 100 parts
4, cosolvent (methyl-sulfoxide): 4 parts
5, Thixatrol p200x anti-settling agent: 1 part
6, Ricinate (polyether-modified dimethyl silicone polymer): 1 part
Under 800 rev/mins of high-speed stirred, above-mentioned substance added in the container successively be uniformly dispersed, obtain conductive processing liquid.
Adopt ASTM D4935-10 method to detect, its specific insulation is: 3 * 10
4Ω cm.
Embodiment 2
(1) the superfine fiber chemical leather base cloth is carried out successively split is handled, the mill skin is handled, dyeing is handled and obtained the superfine fibre suede.
(2) the superfine fibre suede of (1) being handled well in 120 ℃ temperature dry 15 minutes; Then immerse in the conductive processing liquid; 250 seconds, bath raio was: 1:10, take out then; Drying is 15 minutes in 120 ℃ temperature, can obtain a kind of kind of conductive polyurethane superfine fibre suede that can conduct electricity.
Consisting of of conductive processing liquid:
1, aqueous polyurethane Impranil LP RSC 1380:100 part
2, electric conductive oxidation indium powder: 120 parts
3, deionized water: 150 parts
4, cosolvent (1-Methoxy-2-propyl acetate): 10 parts
5, Thixatrol p200x anti-settling agent: 10 parts
6, Ricinate (polyether-modified trisiloxanes): 10 parts
Under 1200 rev/mins of high-speed stirred, above-mentioned substance added in the container successively be uniformly dispersed, obtain conductive processing liquid.Adopt ASTM D4935-10 method to detect, its specific insulation is: 9 * 10
3Ω cm.
Embodiment 3
(1) the superfine fiber chemical leather base cloth is carried out successively split is handled, the mill skin is handled, dyeing is handled and obtained the superfine fibre suede.
(2) the superfine fibre suede of (1) being handled well in 140 ℃ temperature dry 5 minutes then immerses in the conductive processing liquid 500 seconds; bath raio is: 1:20; take out then, in 140 ℃ temperature dry 5 minutes, can obtain a kind of can conduction kind of a conductive polyurethane superfine fibre suede.
Consisting of of conductive processing liquid:
1, aqueous polyurethane Impranil LP RSC 1380:100 part
2, conduction tin ash powder: 200 parts
3, deionized water: 300 parts
4, cosolvent (1-Methoxy-2-propyl acetate): 25 parts
5, Thixatrol p200x anti-settling agent: 20 parts
6, Ricinate (polyether-modified dimethyl silicone polymer): 20 parts
Under 1600 rev/mins of high-speed stirred, above-mentioned substance added in the container successively be uniformly dispersed, obtain conductive processing liquid.Adopt ASTM D4935-10 method to detect, its specific insulation is: 7 * 10
4Ω cm.
Claims (4)
1. the manufacturing approach of conductive polyurethane superfine fibre suede is characterized in that, comprises the steps:
The superfine fibre suede after dry 30～5 minutes, was flooded 5～500 seconds in conduction liquid in 80～140 ℃ temperature, and bath raio is 1:1～1:20; In 80～140 ℃ temperature dry 30～5 minutes then, can obtain described conductive polyurethane superfine fibre suede.
2. method according to claim 1 is characterized in that, said conduction liquid comprises the component of following parts by weight:
3. method according to claim 2 is characterized in that said aqueous polyurethane is selected from anion-type water-thinned polyurethane, cation-type water-thinned polyurethane or the non-ion aqueous polyurethane a kind of;
Said conductive powder is selected from one or more in electric conductive oxidation zinc powder, electric conductive oxidation indium powder or the conduction tin ash powder;
Said cosolvent is 1-Methoxy-2-propyl acetate, ethyl acetate, oxolane, 1, in 4-dioxane, acetone or the methyl-sulfoxide one or more;
Said anti-settling agent is one or more in aerosil, castor oil derivative or the polyamide wax;
Said wetting dispersing agent is one or more in polyether-modified dimethyl silicone polymer, polyether-modified trisiloxanes or the polyether modified siloxane phosphate.
4. the conductive polyurethane superfine fibre suede for preparing according to each said method of claim 1～3.
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| CN201210331259.5A CN102817243B (en) | 2012-09-07 | 2012-09-07 | Conductive polyurethane superfine fiber suede leather and preparing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088661A (en) * | 2013-01-30 | 2013-05-08 | 浙江禾欣实业集团股份有限公司 | Manufacturing method of low-resistivity PU synthetic leather |
| CN104562723A (en) * | 2013-10-16 | 2015-04-29 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Wet-process production method of polyurethane conductive superfine fiber suede leather |
| CN104629512A (en) * | 2015-02-06 | 2015-05-20 | 海宁安剑贸易有限公司 | Touch screen fluid and preparation method thereof |
| CN105951471A (en) * | 2016-06-24 | 2016-09-21 | 万桦（常州）新材料科技有限公司 | Manufacturing method of environment-friendly conductive touch screen material used for gloves |
| CN108708174A (en) * | 2017-04-07 | 2018-10-26 | 安安(中国)有限公司 | A kind of production method with antistatic and electric conductivity superfine fiber chemical leather |
| CN109385901A (en) * | 2018-10-26 | 2019-02-26 | 江苏华峰超纤材料有限公司 | Color antistatic superfine fibre flannelette material and preparation method thereof |
| CN110725131A (en) * | 2019-08-13 | 2020-01-24 | 浙江繁盛新材料股份有限公司 | Production process of waterborne polyurethane microfiber conductive suede leather for touch screen |
| CN111041851A (en) * | 2019-12-17 | 2020-04-21 | 上海华峰超纤科技股份有限公司 | Impregnating material, high-light-fastness microfiber suede leather and preparation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594369A (en) * | 2018-11-23 | 2019-04-09 | 上海华峰超纤材料股份有限公司 | A kind of quick upper dyeing method of superfine fibre suede |
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| CN101240508A (en) * | 2007-02-05 | 2008-08-13 | 山东友谊机械有限公司 | Conductive superfine fibre synthetic leather and manufacturing technique thereof |
| WO2010141743A1 (en) * | 2009-06-03 | 2010-12-09 | Glt Technovations, Llc. | Material for use with a capacitive touch screen |
| CN102366170A (en) * | 2011-10-27 | 2012-03-07 | 上海市闵行第二中学 | Sensing gloves for touch screen |
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| CN101240508A (en) * | 2007-02-05 | 2008-08-13 | 山东友谊机械有限公司 | Conductive superfine fibre synthetic leather and manufacturing technique thereof |
| WO2010141743A1 (en) * | 2009-06-03 | 2010-12-09 | Glt Technovations, Llc. | Material for use with a capacitive touch screen |
| CN102366170A (en) * | 2011-10-27 | 2012-03-07 | 上海市闵行第二中学 | Sensing gloves for touch screen |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088661A (en) * | 2013-01-30 | 2013-05-08 | 浙江禾欣实业集团股份有限公司 | Manufacturing method of low-resistivity PU synthetic leather |
| CN104562723A (en) * | 2013-10-16 | 2015-04-29 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Wet-process production method of polyurethane conductive superfine fiber suede leather |
| CN104629512A (en) * | 2015-02-06 | 2015-05-20 | 海宁安剑贸易有限公司 | Touch screen fluid and preparation method thereof |
| CN105951471A (en) * | 2016-06-24 | 2016-09-21 | 万桦（常州）新材料科技有限公司 | Manufacturing method of environment-friendly conductive touch screen material used for gloves |
| CN105951471B (en) * | 2016-06-24 | 2018-07-20 | 万桦（常州）新材料科技有限公司 | A kind of manufacturing method of the conductive touch screen material of environment-friendly type gloves |
| CN108708174A (en) * | 2017-04-07 | 2018-10-26 | 安安(中国)有限公司 | A kind of production method with antistatic and electric conductivity superfine fiber chemical leather |
| CN109385901A (en) * | 2018-10-26 | 2019-02-26 | 江苏华峰超纤材料有限公司 | Color antistatic superfine fibre flannelette material and preparation method thereof |
| CN110725131A (en) * | 2019-08-13 | 2020-01-24 | 浙江繁盛新材料股份有限公司 | Production process of waterborne polyurethane microfiber conductive suede leather for touch screen |
| CN111041851A (en) * | 2019-12-17 | 2020-04-21 | 上海华峰超纤科技股份有限公司 | Impregnating material, high-light-fastness microfiber suede leather and preparation method |
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| CN102817243B (en) | 2014-08-13 |
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Address after: 201508, No. 888 Ting Wei Road, Shanghai, Jinshan District Patentee after: Shanghai Huafeng Super Fiber Technology Co.,Ltd. Address before: 201508, No. 888 Ting Wei Road, Shanghai, Jinshan District Patentee before: HUAFON MICROFIBRE (SHANGHAI) Co.,Ltd. |
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