A kind of aggregated natural dye based on seaweed gel and preparation method thereof
A technology of natural dyes and seaweed gels, applied in the field of textile materials, can solve the problems of complex stability and purity of natural dyes, backward dyeing technology of synthetic fibers, and cost a lot of manpower and material resources. Light fastness and wash fastness, the effect of improving vividness and brightness
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Embodiment 1
[0030] (1) Clean the surface attachments and sand grains of Sargasso algae with filtered seawater, dry them in the sun at room temperature, place them in an oven to dry them to remove excess water, remove them, chop them up and grind them to form horsetails with a particle size of 5-10 μm algae powder.
[0031] (2) In parts by mass, add 1 part of sargassum powder prepared in step (1) to 10 parts of deionized water, stir at 60°C for 30 minutes, then ultrasonicate for 30 minutes at a power of 600W, and ultra-filter Membrane filtration to obtain a sargassum filtrate with a solid content of 35%.
[0032] (3) in parts by mass, add 35 parts of indigo natural dyes, 7 parts of 2% anhydrous calcium chloride solution and 3 parts of glycerol in the Sargassum filtrate prepared by 15 parts of steps (2), At 25°C, stir slowly at a rate of 50 rpm / min for 8 minutes to obtain a colloid, rinse and filter the colloid with deionized water, remove excess calcium chloride and glycerin, and obtain a...
Embodiment 2
[0034] (1) Clean the surface attachments and sand grains of Sargasso algae with filtered seawater, dry them in the sun at room temperature, place them in an oven to dry them to remove excess water, remove them, chop them up and grind them to form horsetails with a particle size of 5-10 μm algae powder.
[0035] (2) In parts by mass, add 1 part of sargassum powder prepared in step (1) to 15 parts of deionized water, stir at 70°C for 30 minutes, then ultrasonicate for 50 minutes at a power of 1000W, and then ultra-filter Membrane filtration to obtain a sargassum filtrate with a solid content of 40%.
[0036] (3) in parts by mass, add 60 parts of flavonoid natural dyes, 6% anhydrous calcium chloride solution of 17 parts and 13 parts of glycerin in the Sargassum filtrate prepared by 35 parts of steps (2), At 30°C, stir slowly at a rate of 200rpm / min for 10 minutes to obtain a colloid, rinse and filter the colloid with deionized water, remove excess calcium chloride and glycerin, ...
Embodiment 3
[0038] (1) Clean the surface attachments and sand grains of Sargasso algae with filtered seawater, dry them in the sun at room temperature, place them in an oven to dry them to remove excess water, remove them, chop them up and grind them to form horsetails with a particle size of 5-10 μm algae powder.
[0039] (2) In parts by mass, add 1 part of sargassum powder prepared in step (1) to 12 parts of ethanol aqueous solution, stir at 65°C for 30 minutes, then ultrasonicate for 40 minutes at a power of 800W, and ultra-filter Membrane filtration to obtain a Sargassum filtrate with a solid content of 38%.
[0040](3) in parts by mass, add 50 parts of chlorophyll natural dyes, 15 parts of 3% calcium chloride anhydrous solution and 5 parts of glycerol in the Sargassum filtrate prepared by 20 parts of steps (2), At 28°C, stir slowly at a rate of 100 rpm / min for 9 minutes to obtain a colloid, rinse and filter the colloid with deionized water, remove excess calcium chloride and glyceri...
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