CN102936452A - Composition used for coating leather - Google Patents
Composition used for coating leather Download PDFInfo
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- CN102936452A CN102936452A CN2012104087289A CN201210408728A CN102936452A CN 102936452 A CN102936452 A CN 102936452A CN 2012104087289 A CN2012104087289 A CN 2012104087289A CN 201210408728 A CN201210408728 A CN 201210408728A CN 102936452 A CN102936452 A CN 102936452A
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Abstract
The invention discloses a composition used for coating leather. The composition comprises a conductive material, PU resin, and a solvent or a cross-linking agent. A weight ratio of the conductive material to an oil-based PU resin is 1:2-70, and a weight ratio of the conductive material to a water-based PU resin is 1:2-200.
Description
Technical field
The present invention relates to the leather coating field, be specifically related to a kind of composition for coating leather.
Background technology
The product of touch-screen is not very burning hot several years ago, and touch screen also only was applied to some products such as PDA, TablePC at that time.But recent years, along with the range of application of touch-screen strengthens gradually, no matter mobile phone, camera or with oneself audio and video player are all competitively released the product of configuration touch-screen.And along with people are more and more for the contact of touch screen product, the product of touch-screen also approved by more people at nearly 2 years, and tempo is accelerated gradually.
Touch-screen is grown up rapidly, has not only evoked more keen competition, has also indirectly promoted the development of technology.After apple iPhone released, the operating method of its multi-point touch made the influence power of touch-screen product rise to a new height especially, and the capacitive touch screen that iPhone adopts is also paid close attention to by people gradually.
Capacitive touch screen and traditional resistive touch screen have very large difference.Resistance touch screen can only be judged a touch point at every turn when work, if touch point just can not have been made correct judgement more than two, so resistive touch screen is only applicable to the judgement of some simple motions such as clicking, pull.And the multi-point touch of capacitive touch screen then can be decomposed into user's touch multi-point signal and two work of judgement significance signal of gathering, and finishes the judgement to compound action.Use stretching, the transposition of two fingers to finish such as amplifying, rotate the pure operation of such entertaining at screen, this almost was inconceivable before capacitive touch screen occurs.
The realization principle of touch-screen is roughly the same in fact, and all being increases transparent contact panel at the common liquid crystals screen.And the type such as our said resistance-type and condenser type then is to divide according to the difference of its principle of work.The at present classification of touch-screen mainly contains resistance-type, condenser type, infrared-type, surface acoustic wave Four types.
In the past, because of factors such as cost and technology, the adopted amount of resistance-type control panel is considerably beyond the capacitive touch control techniques.But at nearly one-phase, along with technique progress and mass, the price of capacitive touch screen constantly descends, and is also more and more less with the difference in selling prices of resistive touch screen, possessed gradually the ability with the resistive touch screen competition on price.
Along with popularizing of capacitance plate mobile phone storm, an objective and real problem has occurred, and in the time of must wearing gloves when the winter of cold or because of the work post of special procuring, controls mobile phone and just seems cumbersome, must remove gloves and just can control.This can allow the user feel pretty troublesome, especially when you drive or production line on the time; Again or some outdoor enquiry machine you will operate in the winter of cold the time, also must remove gloves.
Therefore, but the still possibility of touch control capacitance screen of gloves is worn in the urgent need to providing in this area.
Summary of the invention
The present invention aims to provide a kind of leather of touch control capacitance screen.
In a first aspect of the present invention, a kind of composition for coating leather is provided, described composition contains electro-conductive material, PU resin and solvent or linking agent; The weight ratio of described electro-conductive material and oiliness PU resin is 1: 2-70, the weight ratio of described electro-conductive material and water-based PU resin is 1: 2-200.
In composition provided by the invention, described electro-conductive material is selected from activation Conductive mica, activation graphitized carbon black, metal-powder, steel fiber, carbon fiber or activation carbon nano fiber.
In another preference, described composition contains electro-conductive material, oiliness PU resin and dimethyl formamide; The weight ratio of described electro-conductive material and dimethyl formamide is 1: 1-40.
In another preference, described composition contains electro-conductive material, water-based PU resin and linking agent; The weight ratio of described electro-conductive material and linking agent is 1: 0.01-2.0; Described linking agent is selected from epoxy compounds, aminoresin initial stage condenses, polyisocyanates, polyamine or polynary aziridine, more preferably described linking agent is selected from polynary aziridines compound, the ternary aziridines compound best, such as but not limited to Bayer chemistry two XAMA7.
In a second aspect of the present invention, provide a kind of purposes of aforesaid composition provided by the invention, for the preparation of the leather of touch control capacitance screen.
In a third aspect of the present invention, a kind of preparation method of leather of touch control capacitance screen is provided, described method comprises step: aforesaid composition provided by the invention is coated on leather surface.
In another preference, described method comprises step:
(a) electro-conductive material, oiliness PU resin and dimethyl formamide are mixed, obtain mixture a; With
(b) mixture a is coated in the PU leather surface, obtains a kind of leather of touch control capacitance screen.
In another preference, described method comprises step:
(i) electro-conductive material, water-based PU resin and linking agent are mixed, obtain mixture i; With
(ii) mixture i is coated in the natural leather surface, obtains a kind of leather of touch control capacitance screen.
In a fourth aspect of the present invention, a kind of purposes of leather is provided, described leather is for the preparation of the apparatus of touch control capacitance screen; The surface-coated of described leather has aforesaid composition provided by the invention.
In another preference, the apparatus of described touch control capacitance screen comprises gloves, writing pencil etc.
Accordingly, but the invention provides and wear the still possibility of touch control capacitance screen of gloves.
Embodiment
The contriver uses the principle of capacitance plate through extensive and deep research, and a kind of leather that can touch-control is provided, and by the conducting function of leather, little electric weight that capacitance plate is discharged absorbs on the leather, so that screen has the contact reaction.Can remove like this gloves controls capacitance plate.
Particularly, the present invention applies a kind of composition at leather, and described composition contains electro-conductive material, PU resin and solvent or linking agent; Described electro-conductive material is selected from activation Conductive mica, activation graphitized carbon black or activation carbon nano fiber.
In above-mentioned composition, when the PU resin was oiliness PU resin, the weight ratio of described electro-conductive material and oiliness PU resin was 1: 2-70, preferred 1: 3-60, more preferably 1: 5-50; The solvent that described composition uses is 1 as dimethyl formamide (DMF), the weight ratio of described electro-conductive material and solvent: 1-40, preferred 1: 1.5-30, more preferably 1: 2-20.
In above-mentioned composition, when the PU resin was water-based PU resin, the weight ratio of described electro-conductive material and water-based PU resin was 1: 2-200, preferred 1: 5-150, more preferably 1: 10-100; Described composition uses linking agent, and the weight ratio of described electro-conductive material and linking agent is 1: 0.01-2.0, preferred 1: 0.02-1.0, more preferably 1: 0.05-0.5; Described linking agent is selected from epoxy compounds, aminoresin initial stage condenses, polyisocyanates, polyamine or polynary aziridine, and described linking agent is preferably from the ternary aziridine.
Carbon black as used herein, that " graphitized carbon black conductive carbon black " refers to have low resistance or high resistance performance.Can give goods conduction or anti-static electrification.Its characteristics are that particle diameter is little, and specific surface area is large and coarse, and structure is high, surface cleaning (compound is few) etc.In this article, the same carbon black of carbon black.
As used herein, " Conductive mica " refers to low-resistance conductive mica powder of obtaining behind the metal oxides such as common MICA stone flour outer cladding tin antimony.
As used herein, " carbon nano fiber " refers to single wall and multiple-wall carbon nanotube.
As used herein, " activation " refer to through band active group coupling agent, such as but not limited to, silane coupling agent, titante coupling agent etc., carry out the surface sprinkling coating processing by fluidized-bed or high-speed mixer so that powder is with polarity, easily and PU form good interface and bond.
As used herein, " PU resin " refers to urethane resin (polyurethanes Resin), i.e. density 1.005g/cm
3, main chain contains-base polymer of NHCOO-repeated structural unit, is the general name of the macromolecular compound that forms of binary or multicomponent isocyanate and binary or multi-hydroxy compound effects.
As used herein, " oiliness PU resin " refers to that the PU resin is take organic solvent (such as DMF) as dispersion medium.Oiliness PU used herein refers to the PU resin of leatheroid special use, rising sun river chemistry XCS series.
As used herein, " water-based PU resin " refers to that the PU resin is take water as dispersion medium.Water-based PU resin used herein is that leather finish is resin dedicated, such as the 50UD resin of German LANXESS.
As used herein, term " contain " or " comprising " comprised " comprising ", " basically by ... consist of " and " by ... consist of ".
As used herein, term " basically by ... consist of " refer in composition, except containing neccessary composition or necessary component, also can contain submember and/or impurity a small amount of and that do not affect effective constituent.
The present invention also provides a kind of leather, is coated with the composition that the invention described above provides on the described leather, applies the composition 1-100mg that the invention described above provides on the composition thickness 0.001-0.01cm that the invention described above of coating provides or every square centimeter of leather.The composition that can provide in coated on both sides the invention described above of leather also can only apply in its one side.
In one embodiment of the invention, the composition provided by the invention of above-mentioned use oiliness PU resin is coated on the imitation leather; Described imitation leather comprises the PVC(polyvinyl chloride) leather, PE(polyethylene) leather and PU(urethane) leather.
In one embodiment of the invention, the above-mentioned composition provided by the invention of use PU resin that makes is coated on the natural leather; Described natural leather includes but not limited to, ox-hide, sheepskin, pigskin, dogskin, fur, deerskin, fur coat, horse skin, donkey hide etc.
The leather that so is coated with the composition that the invention described above provides can be used for making the apparatus of touch control capacitance screen, such as but not limited to, gloves, writing pencil etc.
The present invention also provides a kind of preparation method of leather of touch control capacitance screen, and described method is coated on leather surface with aforesaid composition provided by the invention exactly.
In one embodiment of the invention, described method comprises step:
(a) electro-conductive material, oiliness PU resin and dimethyl formamide are mixed, obtain mixture a; With
(b) mixture a is coated in the imitation leather surface, obtains a kind of leather of touch control capacitance screen.
More preferably, be coated on the imitation leather surface after the mixture a high-speed stirring described in the step (b).
In one embodiment of the invention, described method comprises step:
(i) electro-conductive material, water-based PU resin and linking agent are mixed, obtain mixture i; With
(ii) mixture i is coated in the natural leather surface, obtains a kind of leather of touch control capacitance screen.
More preferably, step is coated on the natural leather surface after the mixture i high-speed stirring described in (ii).
The above-mentioned feature that the present invention mentions, or the feature that embodiment mentions can arbitrary combination.All features that this case specification sheets discloses can with any composition forms and usefulness, each feature that discloses in the specification sheets can anyly provide the alternative characteristics of identical, impartial or similar purpose to replace.Therefore except special instruction is arranged, the feature that discloses only is the general example of equalization or similar features.
Major advantage of the present invention is:
But 1, provide first a kind of leather of touch control capacitance screen.
2, but the leather capacitance plate touch-control of touch control capacitance screen provided by the invention is sensitive.
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.The experimental technique of unreceipted actual conditions in the following example is usually according to normal condition or the condition of advising according to manufacturer.Unless otherwise indicated, otherwise all percentage ratio, ratio, ratio or umber by weight.
Unit in the percent weight in volume among the present invention is well-known to those skilled in the art, for example refers to the weight of solute in 100 milliliters solution.
Unless otherwise defined, the same meaning that employed all specialties and scientific words and one skilled in the art are familiar with in the literary composition.In addition, any method similar or impartial to described content and material all can be applicable in the inventive method.The usefulness that better implementation method described in the literary composition and material only present a demonstration.
Embodiment 1
But the leather 1 of preparation touch control capacitance screen
Get activation Conductive mica 100g, oiliness PU resin XCS-3055S(is available from rising sun river chemistry) 500g, solvent DMF 200g is coated in the PU leather surface after the high-speed stirring, but obtains the leather 1 of touch control capacitance screen.
Test result: wear-resisting Taber18 emery wheel ASTM-D38843500 turns and does not see the bottom; Low temperature resistant tortuous 50000 times of ASTM-D6182; Surface resistivity (GB/T 1410-2006) 104 powers; The capacitance plate touch-control is sensitive.
Embodiment 2
But the leather 2 of preparation touch control capacitance screen
Get activation graphitized carbon black 30g, oiliness PU resin XCS-3055S 500g, solvent DMF 200g is coated in the PU leather surface after the high-speed stirring, but obtains the leather 2 of touch control capacitance screen.
Test result: wear-resisting Taber18 emery wheel ASTM-D38843500 turns and does not see the bottom; Low temperature resistant tortuous 50000 times of ASTM-D6182; Surface resistivity (GB/T 1410-2006) 104 powers; The capacitance plate touch-control is sensitive.
Embodiment 3
But the leather 3 of preparation touch control capacitance screen
Get activation carbon nano fiber 10g, oiliness PU resin XCS-3055S 500g, solvent DMF 200g is coated in the PU leather surface after the high-speed stirring, but obtains the leather 3 of touch control capacitance screen.
Test result: wear-resisting Taber18 emery wheel ASTM-D38843500 turns and does not see the bottom; Low temperature resistant tortuous 50000 times of ASTM-D6182; Surface resistivity (GB/T 1410-2006) 104 powers; The capacitance plate touch-control is sensitive.
Embodiment 4
But the leather 4 of preparation touch control capacitance screen
Get modification conductive mica powder 100g, water-based PU resin is visitd and is stepped on 50UD(available from BASF) 1000g, 5g linking agent XAMA 7 (available from the Bayer chemistry) is coated on the goatskin after the high-speed stirring, but obtains the leather 4 of touch control capacitance screen.
Test result: 3 grades of the anti-dry wipe in AATCC 8-2007 surface, 3 grades of surperficial moisture-proof wipings; ASTMD-5034 stretches 30 pounds; ASTM D-2261 tears 3 pounds; ASTM-D3884 wear-resisting 3000 turns; Low temperature resistant tortuous 50000 times of ASTM-D6182; Surface resistivity 104 powers; The capacitance plate touch-control is sensitive.
Embodiment 5
But the leather 5 of preparation touch control capacitance screen
Get modification graphitized carbon black 30g, water-based PU resin is visitd and is stepped on 50UD(available from BASF) 1000g, 5g linking agent XAMA 7 (available from the Bayer chemistry) is coated on the goatskin after the high-speed stirring, but obtains the leather 5 of touch control capacitance screen.
Test result: 4 grades of the anti-dry wipe in AATCC 8-2007 surface, 3 grades of surperficial moisture-proof wipings; ASTMD-5034 stretches 30 pounds; ASTM D-2261 tears 3 pounds; ASTM-D3884 wear-resisting 3000 turns; Low temperature resistant tortuous 50000 times of ASTM-D6182; Surface resistivity 104 powers; The capacitance plate touch-control is sensitive.
Embodiment 6
But the leather 6 of preparation touch control capacitance screen
Get modification electrical-conductive nanometer carbon fiber 10g, water-based PU resin is visitd and is stepped on 50UD(available from BASF) 1000g, 5g linking agent XAMA 7 (available from the Bayer chemistry) is coated on the goatskin after the high-speed stirring, but obtains the leather 6 of touch control capacitance screen.
Test result: 4 grades of the anti-dry wipe in AATCC 8-2007 surface, 3 grades of surperficial moisture-proof wipings; ASTMD-5034 stretches 30 pounds; ASTM D-2261 tears 3 pounds; ASTM-D3884 wear-resisting 3000 turns; Low temperature resistant tortuous 50000 times of ASTM-D6182; Surface resistivity 104 powers; The capacitance plate touch-control is sensitive.
The above only is preferred embodiment of the present invention, be not to limit essence technology contents scope of the present invention, essence technology contents of the present invention is broadly to be defined in the claim scope of application, any technology entity or method that other people finish, if defined identical with the claim scope of application, also or a kind of change of equivalence, all will be regarded as being covered by among this claim scope.
Claims (10)
1. a composition that is used for coating leather is characterized in that, described composition contains electro-conductive material, PU resin and solvent or linking agent; The weight ratio of described electro-conductive material and oiliness PU resin is 1: 2-70, the weight ratio of described electro-conductive material and water-based PU resin is 1: 2-200.
2. composition as claimed in claim 1 is characterized in that, described electro-conductive material is selected from activation Conductive mica, activation graphitized carbon black, metal-powder, steel fiber, carbon fiber or activation carbon nano fiber.
3. composition as claimed in claim 1 or 2 is characterized in that, described composition contains electro-conductive material, oiliness PU resin and dimethyl formamide; The weight ratio of described electro-conductive material and dimethyl formamide is 1: 1-40.
4. composition as claimed in claim 1 or 2 is characterized in that, described composition contains electro-conductive material, water-based PU resin and linking agent; The weight ratio of described electro-conductive material and linking agent is 1: 0.01-2.0; Described linking agent is selected from epoxy compounds, aminoresin initial stage condenses, polyisocyanates, polyamine or polynary aziridine.
5. the purposes such as the arbitrary described composition of claim 1-4 is characterized in that, for the preparation of the leather of touch control capacitance screen.
6. the preparation method of the leather of a touch control capacitance screen is characterized in that, described method comprises step: will be coated on leather surface such as the arbitrary described composition of claim 1-4.
7. preparation method as claimed in claim 6 is characterized in that, described method comprises step:
(a) electro-conductive material, oiliness PU resin and dimethyl formamide are mixed, obtain mixture a; With
(b) mixture a is coated in the PU leather surface, obtains a kind of leather of touch control capacitance screen.
8. preparation method as claimed in claim 6 is characterized in that, described method comprises step:
(i) electro-conductive material, water-based PU resin and linking agent are mixed, obtain mixture i; With
(ii) mixture i is coated in the natural leather surface, obtains a kind of leather of touch control capacitance screen.
9. the purposes of a leather is characterized in that, described leather is for the preparation of the apparatus of touch control capacitance screen; The surface-coated of described leather is just like the arbitrary described composition of claim 1-4.
10. purposes as claimed in claim 9 is characterized in that, the apparatus of described touch control capacitance screen comprises gloves, writing pencil etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104087289A CN102936452A (en) | 2012-10-23 | 2012-10-23 | Composition used for coating leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104087289A CN102936452A (en) | 2012-10-23 | 2012-10-23 | Composition used for coating leather |
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| CN102936452A true CN102936452A (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104087289A Pending CN102936452A (en) | 2012-10-23 | 2012-10-23 | Composition used for coating leather |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928416A (en) * | 2014-03-19 | 2015-09-23 | 李继顺 | Conductive slurry |
| 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 |
| CN108342526A (en) * | 2018-02-11 | 2018-07-31 | 南京工业大学 | A kind of regulatable leather of novel electric property |
| CN109300578A (en) * | 2018-09-30 | 2019-02-01 | 博脉有限公司 | A kind of Conducting leather material and preparation method thereof |
| CN109593452A (en) * | 2018-11-22 | 2019-04-09 | 温州东泰树脂有限责任公司 | Aqueous matte surface finishing agent and preparation method thereof |
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| US5886089A (en) * | 1997-06-04 | 1999-03-23 | Gfx Technologies, Inc. | Grip and friction enhancement compositions |
| CN101624468A (en) * | 2009-07-30 | 2010-01-13 | 海宁杰玛高科涂层织物有限公司 | Conductive film of coating of high molecular polymer and preparation method thereof |
| WO2012049904A1 (en) * | 2010-10-12 | 2012-04-19 | オートリブ ディベロップメント エービー | Conductive leather and steering wheel |
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2012
- 2012-10-23 CN CN2012104087289A patent/CN102936452A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886089A (en) * | 1997-06-04 | 1999-03-23 | Gfx Technologies, Inc. | Grip and friction enhancement compositions |
| CN101624468A (en) * | 2009-07-30 | 2010-01-13 | 海宁杰玛高科涂层织物有限公司 | Conductive film of coating of high molecular polymer and preparation method thereof |
| WO2012049904A1 (en) * | 2010-10-12 | 2012-04-19 | オートリブ ディベロップメント エービー | Conductive leather and steering wheel |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928416A (en) * | 2014-03-19 | 2015-09-23 | 李继顺 | Conductive slurry |
| 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 |
| CN108342526A (en) * | 2018-02-11 | 2018-07-31 | 南京工业大学 | A kind of regulatable leather of novel electric property |
| CN109300578A (en) * | 2018-09-30 | 2019-02-01 | 博脉有限公司 | A kind of Conducting leather material and preparation method thereof |
| CN109593452A (en) * | 2018-11-22 | 2019-04-09 | 温州东泰树脂有限责任公司 | Aqueous matte surface finishing agent and preparation method thereof |
| CN109593452B (en) * | 2018-11-22 | 2021-01-29 | 温州东泰树脂有限责任公司 | Water-based matte finishing agent and preparation method thereof |
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Application publication date: 20130220 |