CN105040475A - Environment-friendly rotary screen printing coating - Google Patents
Environment-friendly rotary screen printing coating Download PDFInfo
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- CN105040475A CN105040475A CN201510432897.XA CN201510432897A CN105040475A CN 105040475 A CN105040475 A CN 105040475A CN 201510432897 A CN201510432897 A CN 201510432897A CN 105040475 A CN105040475 A CN 105040475A
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Abstract
The invention discloses an environment-friendly rotary screen printing coating. The environment-friendly rotary screen printing coating is formed by mixing 50-300 ml of plant pigment, 5-20 g of a natural thickening agent, 30-250 g of a water soluble bonding agent, 5-20 g of a wetting agent, 120-260 g of pearl powder, 1-10 g of nanometer TiO2 and 1L of water. The environment-friendly rotary screen printing coating has the main advantages that the plant pigment is adopted, so that safety and environmental protection are achieved, the phenomenon that synthetic dyestuff or petrifaction dyestuff releases toxic and harmful substances in the using process is avoided, the method is simple and efficient and can extract pigment from plants for preparing the coating, and the water soluble additive agent is adopted, so that damage caused by adopting formaldehyde to the human body is avoided.
Description
Technical field
The present invention relates to a kind of cloth coating, especially relate to a kind of environmental protection ROTARY SCREAM PRINTING coating.
Background technology
At present, at field of industrial production, the continued operation of ROTARY SCREAM PRINTING energy, PRINTED FABRIC can constantly process below cylinder, is the fastest printing method of speed of production.In order to ensure the quality of stamp, making pattern have good color, gloss and COLOR FASTNESS, must allocate the coating of ROTARY SCREAM PRINTING.In coating composition, binding agent, thickener, wetting agent and the pigment properties influence to coating is maximum, plays decisive role to the effect of final pattern.Binding agent makes paint adhesion to the surface of fabric, and thickener makes the viscosity variation of pigment control the physical property of pigment, and wetting agent guarantees that pigment energy wet fabric surface reaches the effect of comprehensive dye transfer, and the color and luster of pigment itself also determines dye transfer effect simultaneously.Have now a lot of coating being applicable to ROTARY SCREAM PRINTING, but still there is a lot of deficiency in them: coating is all the inadequate safety and environmental protection of chemical synthesis material, has poisonous chemical substance and discharges, be detrimental to health in the process of use.
Chinese patent Authorization Notice No.: CN104120608A, authorized announcement date on October 29th, 2014, disclose a kind of coating for ROTARY SCREAM PRINTING, its component comprises pigment, thickener, adhesive, super soft adhesive, pearl essence, water and wetting agent, the printing product of this dyestuff is adopted to have: good look gorgeous degree, brightness and COLOR FASTNESS, printed matter has good form and aspect, COLOR FASTNESS can reach 3-4 level, and this dyestuff fineness is even, diffusivity is good, good fluidity, be not easy to occur screen cloth, network blocking phenomenon, improve mobility and the hygroscopicity of dyestuff, also decompose the removing residue formaldehyde in dyestuff.The weak point of dyestuff is, what the pigment in dyestuff was taked is industrial Prof. Du Yucang pigment, to human body poisonous and harmful, and not environmentally.
Summary of the invention
The present invention in order to overcome prior art coating in containing poisonous and harmful substance deficiency not environmentally, the environmental protection ROTARY SCREAM PRINTING coating of pigment is extracted in the employing providing a kind of pure natural from plant.
To achieve these goals, the present invention is by the following technical solutions:
A kind of environmental protection ROTARY SCREAM PRINTING coating of the present invention, described environmental protection ROTARY SCREAM PRINTING coating each component is mixed by following component and 1L water: vegetable pigment: 50-300ml; Natural thickener: 5-20g; Water-soluble binder: 30-250g; Wetting agent: 5-20g; Pearl essence: 120-260g, nano-TiO
2: 1-10g.Component composition of the present invention adds vegetable pigment in aqueous, provides required color, natural environmental-protective, do not have harmful toxic matter to discharge; Add natural thickener, increase the viscosity of coating, user-friendly coating, allergic reaction can not be caused to human body skin simultaneously; Add water-soluble binder, increase the fixation of pigment, simultaneously can be miscible with the aqueous solution; Add the surface tension that wetting agent can reduce solution, make the complete moistening design on fabric surface of coating, ensure that cloth is painted completely; Adding pearl essence is color and luster in order to strengthen cloth.Nano-TiO is added in coating
2when being applied on cloth, forming one deck at design on fabric surface and adding nano-TiO
2thin layer, this thin layer can by the spot on photocatalytic degradation surface, can high molecular hydrocarbon, such as grease, and bacterium photodissociation is the Small molecular or carbon dioxide easily removed, has the self-cleaning effect of environmental protection.
The extracting method of described vegetable pigment and the preparation method of environmental protection ROTARY SCREAM PRINTING coating as follows:
A) vegetable pigment extracting method: get the plant 50-300g that dyestuff can be provided, chopping, add water 50-300ml, boils, and arranges condensing reflux, and insulation 30-60min, leaves standstill, by the time cooled and filtered, preserves leachate and namely obtain vegetable pigment;
B) preparation method of environmental protection ROTARY SCREAM PRINTING coating: get step a) in vegetable pigment 50-300ml, add natural thickener 5-20g, stir, heated solution, to 50-90 ° of C, stirs 10-20min, by the time cooled and filtered, obtains slurry; Heated slurry, to 50-90 ° of C, stirs, adds water-soluble binder, wetting agent and pearl essence, stirs, and supplements and adds water, add nano-TiO
2: 1-10g, stirs until each component Homogeneous phase mixing, leaves standstill, cool and obtain coating.
The pigment of plant is stored in the cell liquid of plant, and ordinary circumstance is to being difficult to all take out.Present invention employs, the method for being boiled in water by plant is boiled plant cell extremely, in the aqueous solution outside coming out to that outbound flows as much as possible of the pigment then in cell liquid.Filtered out by plant residue finally by filtration, pigment has just all remained into the medium coating to be produced of filter liquor.The vegetable pigment leachate prepared is utilized to make coating; first add natural thickener; stir; leave standstill particle larger in liquid to precipitate because of adding of thickener; then the plant slag precipitated is filtered out; then add water-soluble binder, wetting agent and pearl essence, continue to stir, finally add supplementing water and stir.
Described natural thickener is starch, and described water-soluble binder is one or more the mixture in starch, dextrin or polyvinyl alcohol, and described wetting agent is the mixture of glycerine and propylene glycol.Starch is a kind of very conventional, cheap, and the good natural thickener of effect, and in water, the strand of starch is unfolded, and the viscosity of the aqueous solution can be made greatly to increase.Starch has also been used as binding agent simultaneously, because starch molecular chain substantially increases the viscosity of solution after launching in water, can strengthen the degree of staining of pigment.But the caking property permanence of starch is not high, so also introduce dextrin and polyvinyl alcohol here as binding agent.Sometimes there is a need to add inorganic binder in order to can be painted more muchly.Glycerine and propylene glycol serve the effect of the surface energy reducing solution simultaneously, can increase the wettability of dyestuff to cloth, help dyeing.
As preferably, the plant of dyestuff can be provided in the extracting method of described vegetable pigment to be that blue dyes is got indigo, and orchil gets madder; Sophora flower got by weld, and cudbear gets Asian puccoon, and dye yam got by brown dyestuff, and Chinese gall got by black dyes.In order to meet in dye transfer process, we are to the demand of different pigment, and the present invention have selected the plant of multiple color (blueness, redness, yellow, purple, sepia and black), guarantee to obtain the color of various requirement.
As preferably, in the extracting method of vegetable colour, described temperature retention time is 45 minutes.In the time of about 45 minutes pigment substantially all from plant inside flow out, in external solution environment, can guarantee not waste dyestuff, again need not be unnecessary add heat waster resource.
As preferably, in the preparation method of environmental protection ROTARY SCREAM PRINTING coating, the temperature that described heated solution arrives is 70 ° of C, and the temperature that described heated slurry arrives is 80 ° of C.The viscosity of solution reduces along with the rising of temperature, and solution viscosity is large at low temperatures, and when a large amount of materials adds after in solution, solution is difficult to be stirred.At solution warms to 70 ° of C, solution is just easy to be stirred, and the material added also just is easy to mixed; For slurries, heating viscosity is larger, needs to be heated to 80 ° of C, just than being easier to mixing.
Therefore, the present invention has following beneficial effect: have employed vegetable colour safety and environmental protection, synthetic dyestuffs or petrochemical industry dyestuff is avoided in use to discharge poisonous and harmful substance, provide one and simply can extract pigment in plant efficiently, and prepare the method for coating, employ water-soluble additives and avoid and use formaldehyde solvent to work the mischief to human body.
Detailed description of the invention
The present invention will be further described to use detailed description of the invention below.
Embodiment one
A kind of environmental protection ROTARY SCREAM PRINTING coating, by water 1L, vegetable pigment 50ml; Natural thickener starch 5g; Water-soluble binder starch 5g, dextrin 15g, polyvinyl alcohol 30g; Wetting agent glycerine 3g, propylene glycol 3g and pearl essence 120g form.First vegetable pigment extracts: get madder 50g, and chopping, boils, arrange condensing reflux in water, and insulation 60min, leaves standstill 20min, by the time cooled and filtered, preserves leachate.Then the making of coating: added by 5g starch in leachate above, stirs, and hot solution is to 70 ° of C, and cooled and filtered by the time, obtains slurry; Then heated solution, to 70 ° of C, adds starch 5g, dextrin 15g, polyvinyl alcohol 30g slightly, stirs, add glycerine 3g, propylene glycol 3g, pearl essence 120g, stir, supplementing on a small quantity and adding water to total amount of solution is one liter, continues to stir until Homogeneous phase mixing, leaves standstill, cool and obtain coating.
Embodiment two
A kind of environmental protection ROTARY SCREAM PRINTING coating, by water 1L, vegetable pigment 100ml; Natural thickener starch 10g; Water-soluble binder starch 10g, dextrin 50g, polyvinyl alcohol 50g; Wetting agent glycerine 6g, propylene glycol 6g; Pearl essence 200g forms.First vegetable pigment extracts: get madder 200g, and chopping, boils, arrange condensing reflux in water, and insulation 60min, leaves standstill 20min, by the time cooled and filtered, preserves leachate.Then the making of coating: added by 10g starch in leachate above, stirs, and heated solution is to 80 ° of C, and cooled and filtered by the time, obtains slurry; Then heated solution, to 80 ° of C, adds starch 10g, dextrin 50g, polyvinyl alcohol 50g slightly, stirs, add glycerine 6g, propylene glycol 6g, pearl essence 200g, stir, supplementing on a small quantity and adding water to total amount of solution is one liter, continues to stir until Homogeneous phase mixing, leaves standstill, cool and obtain coating.
Embodiment three
A kind of environmental protection ROTARY SCREAM PRINTING coating, by water 1L, vegetable pigment 300ml; Natural thickener starch 20g; Water-soluble binder starch 50g, dextrin 100g, polyvinyl alcohol 100g; Wetting agent glycerine 10g, propylene glycol 10g; Pearl essence 260g forms.First vegetable pigment extracts: get madder 400g, and chopping, boils, arrange condensing reflux in water, and insulation 60min, leaves standstill 20min, by the time cooled and filtered, preserves leachate.Then the making of coating: added by 20g starch in leachate above, stirs, and heated solution is to 90 ° of C, and cooled and filtered by the time, obtains slurry; Then heated solution, to 90 ° of C, adds starch 50g, dextrin 100g, polyvinyl alcohol 100g slightly, stirs, add glycerine 10g, propylene glycol 10g, pearl essence 260g, stir, supplementing on a small quantity and adding water to total amount of solution is one liter, continues to stir until Homogeneous phase mixing, leaves standstill, cool and obtain coating.
The product that above embodiment is obtained: xerotripsis colour fastness to rubbing 3 grades, wet rubbing colour fastness to rubbing 3 grades, water logging variable color color fastness to washing 2 grades, staining color fastness to washing 3 grades, coating burst size of methanal is zero.
These are only preferred embodiment of the present invention, is not the restriction to technical scheme of the present invention.All are based on the amendment done by the technology of the present invention content, change or replace technical characteristic all to should be the technology category of claims of the present invention opinion.
Claims (6)
1. an environmental protection ROTARY SCREAM PRINTING coating, is characterized in that, described environmental protection ROTARY SCREAM PRINTING coating is mixed by following component and 1L water: vegetable pigment: 50-300ml; Natural thickener: 5-20g; Water-soluble binder: 30-250g; Wetting agent: 5-20g; Pearl essence: 120-260g; Nano-TiO
2: 1-10g.
2. a preparation method for environmental protection ROTARY SCREAM PRINTING coating according to claim 1, it is characterized in that, the method comprises the steps:
A) vegetable pigment extracting method: get dye yielding herb 50-300g, chopping, add water 50-300ml, boils, and arranges condensing reflux, insulation 30-60min, and leave standstill, cooled and filtered, filtrate is described vegetable pigment;
B) mixing of raw material: get the vegetable pigment 50-300ml a), add natural thickener 5-20g, stirs, and heated solution, to 50-90 ° of C, stirs 10-20min, cooled and filtered, obtained slurry; Heated slurry, to 50-90 ° of C, stirs, adds water-soluble binder 30-250g, wetting agent 5-20g and pearl essence 120-260g, stirs, and supplements and adds water, add nano-TiO
2: 1-10g, stirs until each component Homogeneous phase mixing, leaves standstill, cool and obtain environmental protection ROTARY SCREAM PRINTING coating.
3. a kind of environmental protection ROTARY SCREAM PRINTING coating according to claim 1, it is characterized in that, described natural thickener is starch, and described water-soluble binder is one or more the mixture in starch, dextrin or polyvinyl alcohol, and described wetting agent is the mixture of glycerine and propylene glycol.
4. the preparation method of environmental protection ROTARY SCREAM PRINTING coating according to claim 2, is characterized in that, step a) in, described dye yielding herb is the one in indigo, madder, sophora flower, Asian puccoon, dye yam, Chinese gall.
5. the preparation method of environmental protection ROTARY SCREAM PRINTING coating according to claim 2, is characterized in that, step a) in, described temperature retention time is 45 minutes.
6. the preparation method of environmental protection ROTARY SCREAM PRINTING coating according to claim 2, is characterized in that, step b) in, the temperature that described heated solution arrives is 70 ° of C, and the temperature that described heated slurry arrives is 80 ° of C.
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| CN201510432897.XA CN105040475A (en) | 2015-07-22 | 2015-07-22 | Environment-friendly rotary screen printing coating |
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| CN201510432897.XA CN105040475A (en) | 2015-07-22 | 2015-07-22 | Environment-friendly rotary screen printing coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436349A (en) * | 2016-08-30 | 2017-02-22 | 苏州市恒信针织印染有限责任公司 | Inkjet printing technology for cotton and linen fiber fabric |
| CN106638065A (en) * | 2016-08-30 | 2017-05-10 | 苏州市恒信针织印染有限责任公司 | Preparation method of pigment composition used for ink-jet printing and application thereof |
| CN107938393A (en) * | 2017-11-01 | 2018-04-20 | 浙江圣山科纺有限公司 | A kind of Non-water washing pigment printing umbrella cloth |
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| CN103952922A (en) * | 2014-05-19 | 2014-07-30 | 常州美胜生物材料有限公司 | Plant dye digital printing ink and preparation method thereof |
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| CN103044955A (en) * | 2012-12-10 | 2013-04-17 | 桐乡市丰同裕蓝印布艺有限公司 | Method for preparing mulberry plant dye and application on dyeing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436349A (en) * | 2016-08-30 | 2017-02-22 | 苏州市恒信针织印染有限责任公司 | Inkjet printing technology for cotton and linen fiber fabric |
| CN106638065A (en) * | 2016-08-30 | 2017-05-10 | 苏州市恒信针织印染有限责任公司 | Preparation method of pigment composition used for ink-jet printing and application thereof |
| CN107938393A (en) * | 2017-11-01 | 2018-04-20 | 浙江圣山科纺有限公司 | A kind of Non-water washing pigment printing umbrella cloth |
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