CN109403070B - Preparation method of radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing - Google Patents

Preparation method of radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing Download PDF

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CN109403070B
CN109403070B CN201811081410.8A CN201811081410A CN109403070B CN 109403070 B CN109403070 B CN 109403070B CN 201811081410 A CN201811081410 A CN 201811081410A CN 109403070 B CN109403070 B CN 109403070B
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composite fabric
parts
radiation
digital printing
drying
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CN109403070A (en
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周继东
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Suzhou Insilk Co ltd
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Suzhou Insilk Co ltd
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Abstract

The invention discloses a preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing, which specifically comprises the following steps: firstly, preparing a ficus microcarpa leaf extract by taking ficus microcarpa leaves as a raw material, then mixing the ficus microcarpa leaf extract with urea, calcium chloride, sodium carbonate, titanium oxide hollow spheres and a silane coupling agent to prepare slurry, and placing the polyester-cotton composite fabric into the slurry for treatment to prepare a pretreated polyester-cotton composite fabric; uniformly mixing blue RSN vat dye, yellow RGFL disperse dye, deionized water, propylene glycol, titanate coupling agent and amino silicone oil to prepare ink for digital printing; and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric. The composite fabric prepared by the invention has good mechanical property and certain radiation-proof and heat-insulating properties.

Description

Preparation method of radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing
The technical field is as follows:
the invention relates to the field of textiles, in particular to a preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing.
Background art:
decades ago, in the production of flags and handkerchiefs, double-sided printed fabrics appeared. The production process of the fabric in the dyeing and finishing process can be roughly divided into a double-sided printing machine printing method, a migration dyeing method, a roller printing machine printing method, a photosensitive dyeing method, a gluing method and the like. In these printing and dyeing methods, either special printing and dyeing mechanical equipment or a certain chemical principle is used to achieve the double-sided printing and dyeing effect, and the requirements on the equipment are special or the processing technology is complicated. In recent years, double-sided printed fabrics gradually develop into various varieties, and are widely used for making fabrics of raincoats, tourist suits and the like. However, the existing dyeing process often has the problems of poor level-dyeing property, poor color fastness and the like.
The invention content is as follows:
the invention aims to provide a preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing, which is simple to operate and good in level-dyeing property, and the prepared composite fabric is soft and comfortable, and has excellent radiation-proof performance, good heat-preservation performance and good mechanical performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing comprises the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 2-6h at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry;
(3) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 1-3h, taking out, and drying at 60-80 ℃ to obtain a pretreated polyester-cotton composite fabric;
(4) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing;
(5) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
Preferably, in the step (2), the amounts of the components in parts by weight are as follows: 5-15 parts of ficus microcarpa leaf extract, 20-40 parts of absolute ethyl alcohol, 1-3 parts of calcium chloride, 1-2 parts of sodium carbonate, 3-7 parts of urea, 10-20 parts of deionized water, 0.1-0.5 part of nano titanium oxide hollow spheres and 0.015-0.02 part of silane coupling agent.
Preferably, in the step (2), the preparation method of the hollow titanium oxide spheres specifically comprises the following steps:
1) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 10-20h, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering at the temperature of 600 ℃ and 800 ℃ under inert gas for 1-2h, and cooling along with the furnace after sintering to obtain carbon powder;
2) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, carrying out reflux reaction for 10-20h at 150 ℃, cooling to room temperature after the reaction is finished, filtering the reaction liquid, drying the solid, placing the dried solid in a muffle furnace, and sintering at 800-1000 ℃ in an air atmosphere for 2-3h to obtain the titanium oxide hollow sphere.
Preferably, in step 2), the ratio of the carbon powder to tetrabutyl titanate is 1 g: (1-2) mL.
Preferably, in the step (4), the amounts of the components in parts by weight are as follows: 10-15 parts of blue RSN vat dye, 10-15 parts of yellow RGFL disperse dye, 20-30 parts of deionized water, 5-10 parts of propylene glycol, 0.1-0.6 part of titanate coupling agent and 1-2 parts of amino silicone oil.
Preferably, in the step (5), the steaming temperature is 120 ℃, and the steaming time is 5-10 min.
Preferably, in the step (5), the drying temperature is 100-120 ℃, and the drying time is 10-20 h.
The invention has the following beneficial effects:
the ficus microcarpa has a certain radiation effect, and the invention takes the ficus microcarpa as a raw material and ethanol as an extraction solvent to prepare ficus microcarpa extract, and the ficus microcarpa extract is prepared by subsequent treatment and added into slurry for fabric treatment and compounded with titanium oxide hollow spheres, so that the radiation resistance and ultraviolet resistance of the fabric are effectively improved;
according to the invention, the disperse dye and the vat dye are compounded, the auxiliary agent is added to prepare the digital jet printing ink, the disperse dye has certain thermal migration property and can effectively dye terylene, the vat dye has no thermal migration property and can be covalently combined with cotton fiber, the polyester-cotton composite fabric is effectively dyed, and the double-sided heterochromous fabric is realized.
The specific implementation mode is as follows:
in order to better understand the present invention, the following examples further illustrate the invention, the examples are only used for explaining the invention, not to constitute any limitation of the invention.
Example 1
A preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing comprises the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 2 hours at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 10 hours, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering for 1 hour at 600 ℃ under inert gas, and cooling along with the furnace after sintering to obtain carbon powder;
(3) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, carrying out reflux reaction for 10 hours at 150 ℃, cooling to room temperature after the reaction is finished, filtering the reaction liquid, drying the solid, placing the dried solid in a muffle furnace, and sintering for 2 hours at 800 ℃ in an air atmosphere to obtain a titanium oxide hollow sphere;
(4) dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry; wherein the dosage of each component is respectively as follows by weight: 5 parts of ficus microcarpa leaf extract, 20 parts of absolute ethyl alcohol, 1 part of calcium chloride, 1 part of sodium carbonate, 3 parts of urea, 10 parts of deionized water, 0.1 part of nano titanium oxide hollow spheres and 0.015 part of silane coupling agent;
(5) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 1h, taking out, and drying at 60 ℃ to obtain a pretreated polyester-cotton composite fabric;
(6) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing; wherein the dosage of each component is calculated by weight parts as follows: 10 parts of blue RSN vat dye, 10 parts of yellow RGFL disperse dye, 20 parts of deionized water, 5 parts of propylene glycol, 0.1 part of titanate coupling agent and 1 part of amino silicone oil;
(7) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
Example 2
A preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing comprises the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 6 hours at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 20 hours, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering for 2 hours at 800 ℃ under inert gas, and cooling along with the furnace after sintering to obtain carbon powder;
(3) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, performing reflux reaction at 150 ℃ for 20 hours, cooling to room temperature after reaction, filtering reaction liquid, drying solid, placing the dried solid in a muffle furnace, and sintering at 1000 ℃ for 3 hours under air atmosphere to obtain the titanium oxide hollow sphere
(4) Dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry; wherein the dosage of each component is respectively as follows by weight: 15 parts of ficus microcarpa leaf extract, 40 parts of absolute ethyl alcohol, 3 parts of calcium chloride, 2 parts of sodium carbonate, 7 parts of urea, 20 parts of deionized water, 0.5 part of nano titanium oxide hollow spheres and 0.02 part of silane coupling agent;
(5) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 3h, taking out, and drying at 60-80 ℃ to obtain a pretreated polyester-cotton composite fabric;
(6) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing; wherein the dosage of each component is calculated by weight parts as follows: 15 parts of blue RSN vat dye, 15 parts of yellow RGFL disperse dye, 30 parts of deionized water, 10 parts of propylene glycol, 0.6 part of titanate coupling agent and 2 parts of amino silicone oil;
(7) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
Example 3
A preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing comprises the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 3 hours at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 12 hours, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering at the temperature of 650 ℃ under inert gas for 1.2 hours, and cooling along with the furnace after sintering to obtain carbon powder;
(3) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, refluxing and reacting for 12h at 150 ℃, cooling to room temperature after reaction, filtering reaction liquid, drying solid, placing the dried solid in a muffle furnace, sintering at 850 ℃ under air atmosphere for 2.2h to obtain the titanium oxide hollow sphere
(4) Dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry; wherein the dosage of each component is respectively as follows by weight: 7 parts of ficus microcarpa leaf extract, 25 parts of absolute ethyl alcohol, 1.5 parts of calcium chloride, 1.2 parts of sodium carbonate, 4 parts of urea, 12 parts of deionized water, 0.2 part of nano titanium oxide hollow spheres and 0.016 part of silane coupling agent;
(5) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 1.5h, taking out, and drying at 60-80 ℃ to obtain a pretreated polyester-cotton composite fabric;
(6) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing; wherein the dosage of each component is calculated by weight parts as follows: 12 parts of blue RSN vat dye, 12 parts of yellow RGFL disperse dye, 22 parts of deionized water, 6 parts of propylene glycol, 0.2 part of titanate coupling agent and 1.2 parts of amino silicone oil;
(7) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
Example 4
A preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing comprises the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 4 hours at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 14 hours, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering at 700 ℃ under inert gas for 1.4 hours, and cooling along with the furnace after sintering to obtain carbon powder;
(3) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, refluxing and reacting for 14h at 150 ℃, cooling to room temperature after reaction, filtering reaction liquid, drying solid, placing the dried solid in a muffle furnace, sintering at 900 ℃ for 2.4h under air atmosphere, and obtaining the titanium oxide hollow sphere
(4) Dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry; wherein the dosage of each component is respectively as follows by weight: 9 parts of ficus microcarpa leaf extract, 30 parts of absolute ethyl alcohol, 2 parts of calcium chloride, 1.4 parts of sodium carbonate, 5 parts of urea, 16 parts of deionized water, 0.3 part of nano titanium oxide hollow spheres and 0.017 part of silane coupling agent;
(5) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 2h, taking out, and drying at 60-80 ℃ to obtain a pretreated polyester-cotton composite fabric;
(6) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing; wherein the dosage of each component is calculated by weight parts as follows: 13 parts of blue RSN vat dye, 13 parts of yellow RGFL disperse dye, 24 parts of deionized water, 7 parts of propylene glycol, 0.4 part of titanate coupling agent and 1.6 parts of amino silicone oil;
(7) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
Example 5
A preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing comprises the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 5 hours at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 18 hours, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering at the temperature of 750 ℃ under inert gas for 1.8 hours, and cooling along with the furnace after sintering to obtain carbon powder;
(3) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, refluxing and reacting for 18h at 150 ℃, cooling to room temperature after reaction, filtering reaction liquid, drying solid, placing the dried solid in a muffle furnace, and sintering at 800-1000 ℃ in air atmosphere for 2.8h to obtain titanium oxide hollow spheres;
(4) dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry; wherein the dosage of each component is respectively as follows by weight: 5-15 parts of ficus microcarpa leaf extract, 35 parts of absolute ethyl alcohol, 2.5 parts of calcium chloride, 1.6 parts of sodium carbonate, 5 parts of urea, 18 parts of deionized water, 0.4 part of nano titanium oxide hollow spheres and 0.018 part of silane coupling agent;
(5) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 2.5h, taking out, and drying at 60-80 ℃ to obtain a pretreated polyester-cotton composite fabric;
(6) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing; wherein the dosage of each component is calculated by weight parts as follows: 14 parts of blue RSN vat dye, 14 parts of yellow RGFL disperse dye, 26 parts of deionized water, 9 parts of propylene glycol, 0.5 part of titanate coupling agent and 1.6 parts of amino silicone oil;
(7) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
Through detection, the wet rubbing color fastness and the soaping color fastness of the fabric prepared by the invention reach 5 grades.

Claims (7)

1. A preparation method of a radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing is characterized by comprising the following steps:
(1) baking and crushing Ficus benjamina leaves to obtain plant powder, mixing and stirring the plant powder and absolute ethyl alcohol, refluxing for 2-6h at 50-60 ℃, cooling to room temperature after the reflux is finished, filtering, collecting filtrate, evaporating and concentrating, and drying the prepared concentrate to obtain a Ficus benjamina leaf extract;
(2) dispersing the prepared ficus microcarpa leaf extract in absolute ethyl alcohol to prepare a dispersion liquid A; dissolving urea in deionized water to prepare a urea solution, then adding calcium chloride and sodium carbonate, and uniformly stirring and mixing to prepare a mixed solution; uniformly mixing and stirring the dispersion liquid A and the mixed solution, then adding the titanium oxide hollow spheres and the silane coupling agent, and uniformly stirring and mixing to obtain slurry;
(3) placing the polyester-cotton composite fabric into the slurry, standing at room temperature for 1-3h, taking out, and drying at 60-80 ℃ to obtain a pretreated polyester-cotton composite fabric;
(4) mixing and stirring the blue RSN vat dye, the yellow RGFL disperse dye and deionized water uniformly, then adding propylene glycol, titanate coupling agent and amino silicone oil, and stirring and mixing uniformly to obtain ink for digital printing;
(5) and (3) carrying out digital jet printing treatment on the prepared pretreated polyester-cotton composite fabric by using a digital printing machine, then carrying out steaming treatment, and finally sequentially cleaning the pretreated polyester-cotton composite fabric in cold water, cleaning the pretreated polyester-cotton composite fabric in hot water at the temperature of 80-100 ℃ and drying the steamed polyester-cotton composite fabric to obtain the radiation-proof heat-preservation composite fabric.
2. The preparation method of the radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing as claimed in claim 1, wherein in the step (2), the use amounts of the components in parts by weight are respectively as follows: 5-15 parts of ficus microcarpa leaf extract, 20-40 parts of absolute ethyl alcohol, 1-3 parts of calcium chloride, 1-2 parts of sodium carbonate, 3-7 parts of urea, 10-20 parts of deionized water, 0.1-0.5 part of nano titanium oxide hollow spheres and 0.015-0.02 part of silane coupling agent.
3. The preparation method of the radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing as claimed in claim 1, wherein in the step (2), the preparation method of the titanium oxide hollow spheres specifically comprises the following steps:
1) crushing, drying and grinding straws to obtain straw powder, mixing the straw powder with absolute ethyl alcohol, continuing ball milling for 10-20h, filtering and drying to obtain straw powder, finally placing the straw powder in a muffle furnace, sintering at the temperature of 600 ℃ and 800 ℃ under inert gas for 1-2h, and cooling along with the furnace after sintering to obtain carbon powder;
2) dispersing carbon powder in absolute ethyl alcohol, dropwise adding tetrabutyl titanate, introducing nitrogen with water after dropwise adding, carrying out reflux reaction for 10-20h at 150 ℃, cooling to room temperature after the reaction is finished, filtering the reaction liquid, drying the solid, placing the dried solid in a muffle furnace, and sintering at 800-1000 ℃ in an air atmosphere for 2-3h to obtain the titanium oxide hollow sphere.
4. The preparation method of the radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing as claimed in claim 3, wherein in the step 2), the use amount ratio of the carbon powder to the tetrabutyl titanate is 1 g: (1-2) mL.
5. The preparation method of the radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing as claimed in claim 1, wherein in the step (4), the dosage of each component in parts by weight is as follows: 10-15 parts of blue RSN vat dye, 10-15 parts of yellow RGFL disperse dye, 20-30 parts of deionized water, 5-10 parts of propylene glycol, 0.1-0.6 part of titanate coupling agent and 1-2 parts of amino silicone oil.
6. The preparation method of the radiation-proof heat-preservation composite fabric based on double-sided heterochromatic digital printing as claimed in claim 1, wherein in the step (5), the steaming temperature is 120 ℃, and the steaming time is 5-10 min.
7. The preparation method of the radiation-proof heat-preservation composite fabric based on the double-sided heterochromatic digital printing as claimed in claim 1, wherein in the step (5), the drying temperature is 100-120 ℃, and the drying time is 10-20 h.
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JP2000234257A (en) * 1998-12-15 2000-08-29 Mitsubishi Baarinton Kk Transfer-style printing of flame-retarded composite fabric
CN102852013A (en) * 2012-08-31 2013-01-02 绍兴文理学院 Dispersing/reducing printing process for polyester/cotton blended fabric
CN106087481A (en) * 2016-06-20 2016-11-09 王义金 A kind of digit printing fabric concentrator
CN107215030A (en) * 2017-06-26 2017-09-29 太仓市虹鹰印花有限公司 It is a kind of can radiation proof printed fabric

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000234257A (en) * 1998-12-15 2000-08-29 Mitsubishi Baarinton Kk Transfer-style printing of flame-retarded composite fabric
CN102852013A (en) * 2012-08-31 2013-01-02 绍兴文理学院 Dispersing/reducing printing process for polyester/cotton blended fabric
CN106087481A (en) * 2016-06-20 2016-11-09 王义金 A kind of digit printing fabric concentrator
CN107215030A (en) * 2017-06-26 2017-09-29 太仓市虹鹰印花有限公司 It is a kind of can radiation proof printed fabric

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