CN102817243B - 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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- CN102817243B CN102817243B CN201210331259.5A CN201210331259A CN102817243B CN 102817243 B CN102817243 B CN 102817243B CN 201210331259 A CN201210331259 A CN 201210331259A CN 102817243 B CN102817243 B CN 102817243B
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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 manufacture method thereof, relate in particular to a kind of conductive polyurethane superfine fibre suede and manufacture method thereof.
Background technology
Along with the fashionable whole world of the product such as iPhone, iPad of American apple company, cause the popular of touch-screen electronic product in recent years.At present, on market, touch-screen mainly contains two kinds of electric resistance touch screens and capacitance touch screen.Electric resistance touch screen has the advantages such as operation principle is simple, power consumption is less, but its shortcoming is that the reaction time is long, service life is short, light transmission rate is low and anti scuffing ability.And capacitive touch screen has the performances such as fast, long service life of reaction time and light transmission rate height, it is the touch-screen of current main flow.Capacitive touch screen in use, needs there is good Weak current transmission between finger and touch-screen.
At touch-screen electronic product in use, people wish can have at cold temperature 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 allow touch-screen normally make a response while using touch-screen electronic product, reason is wherein that the material of making gloves can not conduct electricity.So invent a kind of conductive polyurethane superfine fibre suede that can conduct electricity, be that people extremely expect.
Summary of the invention
The object of this invention is to provide a kind of conductive polyurethane superfine fibre suede and manufacture method thereof, the defect existing to overcome prior art.
Method of the present invention, comprises the steps:
Superfine fibre suede after dry 30～5 minutes, is flooded 5～500 seconds in the temperature of 80～140 DEG C in conduction liquid, and bath raio is 1:1～1:20;
Described bath raio is defined as: superfine fibre suede/conduction liquid, weight ratio;
Then in the temperature of 80～140 DEG C, be dried 30～5 minutes, can obtain described conductive polyurethane superfine fibre suede;
The preparation method of described superfine fibre suede is conventional, and superfine fiber synthetic leather base cloth is carried out, after split processing, the processing of mill skin, dyeing processing, can obtaining superfine fibre suede successively;
Described split processing, mill skin process and dyeing is treated to this area conventional treatment method, and those skilled in the art should know that it is to determine product thickness and color according to the specific requirement of target product superfine fibre suede that specific requirement is processed in split and dyeing.
Wherein superfine fiber synthetic leather base cloth refers to taking non-weaving cloth as base, at the saturated dipping of fiber gap PU liquid, through solidifying, washing, decrement, drying and shaping form, as document: " synthesis technique " (Qu Jianbo etc. synthetic leather technology [M]. Beijing: Chemical Industry Press, 2010.) report.Superfine fiber synthetic leather base cloth can directly be buied from the market.
Described conduction liquid comprises the component of following parts by weight:
Under 800～1600 revs/min of stirrings, above-mentioned substance is added in container and is uniformly dispersed successively, get final product to obtain conductive processing liquid;
Described aqueous polyurethane is selected from anion-type water-thinned polyurethane, cation-type water-thinned polyurethane or non-ion aqueous polyurethane a kind of;
The definition of anion-type water-thinned polyurethane, cation-type water-thinned polyurethane, non-ion aqueous polyurethane as document " water-base polyurethane material " (Xu Gewen etc. water-base polyurethane material [M]. Beijing: Chemical Industry Press, 2006.) report.On market, also there is Related product to sell, as 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 conduction tin ash powder;
Wherein electric conductive oxidation zinc powder refers to that in zinc oxide the present invention selects the powder of particle diameter between the μ m of 10nm～20 doped with the conductive powder of the halogens such as a small amount of aluminium, gallium, indium grade in an imperial examination III major element or chlorine, iodine;
Wherein electric conductive oxidation indium powder refers to that in indium oxide the present invention selects the powder of particle diameter between the μ m of 10nm～20 doped with element conductive powders such as a small amount of tin;
The tin ash powder that wherein conducts electricity refers to that in tin ash the present invention selects the powder of particle diameter between the μ m of 10nm～20 doped with the conductive powder of the halogens such as a small amount of aluminium, gallium, indium grade in an imperial examination III major element or chlorine, iodine;
Described cosolvent be in 1-Methoxy-2-propyl acetate, ethyl acetate, oxolane, Isosorbide-5-Nitrae-dioxane, acetone or methyl-sulfoxide one or more;
Described anti-settling agent is one or more in aerosil, castor oil derivative (as the Thixomen of ICI company of Britain), polyamide wax (as the Thixatrol p200x anti-settling agent of Hai Mingsi special chemical company);
Described wetting dispersing agent is one or more in polyether-modified dimethyl silicone polymer, polyether-modified trisiloxanes, Polyether-modified Polysiloxane Phosphate.
In manufacture method provided by the invention, conductive materials is colourless transparent material, can not change the apparent colour of superfine fibre suede, and conductive effect is good in preparation process; And select the carrier both environmental protection of aqueous polyurethane as conducting objects, thereby after dry processing again can with superfine fibre suede in polyurethane form a certain amount of hydrogen bond and ensure the bonding intensity of conducting objects in superfine fibre suede, make it be not easy to be water-washed away, and can improve to a certain extent the colorfastness to rubbing of superfine fibre suede.This method preparation process is all the basic process of synthetic leather industry, and to equipment and process conditions, without particular/special requirement, the conduction superfine fibre suede preparing can be applicable to the products such as electronic touch screen gloves, has huge market prospects.
Detailed description of the invention
Further illustrate the present invention with embodiment below, but the present invention is not limited.
Embodiment 1
(1) superfine fiber synthetic leather base cloth being carried out successively to split processing, mill skin processing, dyeing processes and obtains superfine fibre suede.
(2) the superfine fibre suede of (1) being handled well is dried 30 minutes in the temperature of 80 DEG C, then immerse in conductive processing liquid 5 seconds, bath raio is 1:1, then takes out, in the temperature of 80 DEG C, be dried 30 minutes, 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 revs/min of high-speed stirred, above-mentioned substance is added in container and is uniformly dispersed successively, obtain conductive processing liquid.
Adopt ASTM D4935-10 method to detect, its specific insulation is: 3 × 10
4Ω cm.
Embodiment 2
(1) superfine fiber synthetic leather base cloth being carried out successively to split processing, mill skin processing, dyeing processes and obtains superfine fibre suede.
(2) the superfine fibre suede of (1) being handled well is dried 15 minutes in the temperature of 120 DEG C, then immerse in conductive processing liquid, 250 seconds; bath raio is: 1:10; then take out; in the temperature of 120 DEG C, be dried 15 minutes, 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 revs/min of high-speed stirred, above-mentioned substance is added in container and is uniformly dispersed successively, obtain conductive processing liquid.Adopt ASTM D4935-10 method to detect, its specific insulation is: 9 × 10
3Ω cm.
Embodiment 3
(1) superfine fiber synthetic leather base cloth being carried out successively to split processing, mill skin processing, dyeing processes and obtains superfine fibre suede.
(2) the superfine fibre suede of (1) being handled well is dried 5 minutes in the temperature of 140 DEG C, then immerses in conductive processing liquid 500 seconds; bath raio is: 1:20; then take out, and in the temperature of 140 DEG C, is dried 5 minutes, 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, 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 revs/min of high-speed stirred, above-mentioned substance is added in container and is uniformly dispersed successively, obtain conductive processing liquid.Adopt ASTM D4935-10 method to detect, its specific insulation is: 7 × 10
4Ω cm.
Claims (2)
1. the manufacture method of conductive polyurethane superfine fibre suede, is characterized in that, comprises the steps:
Superfine fibre suede after dry 5～30 minutes, is flooded 5～500 seconds in the temperature of 80～140 DEG C in conduction liquid, and bath raio is 1:1～1:20; Then in the temperature of 80～140 DEG C, be dried 5～30 minutes, can obtain described conductive polyurethane superfine fibre suede, described conduction liquid comprises the component of following parts by weight:
Described aqueous polyurethane is selected from anion-type water-thinned polyurethane, cation-type water-thinned polyurethane or non-ion aqueous polyurethane a kind of;
Described conductive powder is selected from one or more in electric conductive oxidation zinc powder, electric conductive oxidation indium powder or conduction tin ash powder;
Described cosolvent be in 1-Methoxy-2-propyl acetate, ethyl acetate, oxolane, Isosorbide-5-Nitrae-dioxane, acetone or methyl-sulfoxide one or more;
Described anti-settling agent is one or more in aerosil or polyamide wax;
Described wetting dispersing agent is one or more in polyether-modified dimethyl silicone polymer, polyether-modified trisiloxanes or Polyether-modified Polysiloxane Phosphate.
2. the conductive polyurethane superfine fibre suede that according to claim 1 prepared by method.
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Cited By (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 |
Families Citing this family (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 |
| 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 |
| CN111041851B (en) * | 2019-12-17 | 2022-07-15 | 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2764333A1 (en) * | 2009-06-03 | 2010-12-09 | Glt Technovations, Llc. | Material for use with a capacitive touch screen |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102366170A (en) * | 2011-10-27 | 2012-03-07 | 上海市闵行第二中学 | Sensing gloves for touch screen |
Cited By (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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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. |