Summary of the invention
The technical problem to be solved in the present invention is, fills up the blank of prior art, and a kind of new purposes of Chinese photinia fruit is provided, and turns waste into wealth, and promptly extracts natural dyestuff from red Chinese photinia fruit, and is applied to textile dyeing.
Show that after deliberation the Chinese photinia fruit extract is bright-coloured sorrel, its maximum absorption wavelength is about 490~500nm.Protein fibre or fabric are had good dyeing behavior, handle to obtain distinct colors by different mordants, and colour fastness is good, is the natural plant dye of an excellent property.
Be the technical solution problem, the invention provides a kind of preparation method of Chinese photinia fruit natural dyestuff, may further comprise the steps:
(1) Chinese photinia fresh fruit or dry fruit are cleaned, dried, mechanical disintegration;
(2) Chinese photinia fruit crushed material is joined refluxing extraction in the aqueous ethanolic solution of pH value 8~10; Extracting solution is warming up to 70~90 ℃, insulation 1~2h; It is 1/6~1/2 of extracting solution original volume that filtration and underpressure distillation make the concentrated solution volume, obtains spissated Chinese photinia fruit natural dyestuff;
The concentration of volume percent of described aqueous ethanolic solution is 10~50%, and the mass ratio of Chinese photinia fruit crushed material and aqueous ethanolic solution is 1: 10~30.
Among the present invention, the pH value of described aqueous ethanolic solution is to regulate to add an amount of sodium bicarbonate, yellow soda ash or sodium phosphate.
The present invention further provides a kind of method of utilizing aforementioned Chinese photinia fruit natural dyestuff to textile dyeing, may further comprise the steps:
(1) real silk or wool fabric are carried out pre-mordant dyeing processing, control condition is during processing: mordant weight is 1~5% of pollutant weight, and bath raio is 1: 10~50, and temperature is 60~80 ℃, and the time is 30~45min; The taking-up fabric that disposes is cleaned, and extracts;
(2) be configured to dye liquor with spissated Chinese photinia fruit natural dyestuff and water, wherein concentrate dyestuff and account for 5~25% of whole dye liquor quality, and regulate dye liquor pH value 4~6;
(3) fabric that the pre-mordant dyeing of above-mentioned warp is handled immerses in the Chinese photinia fruit dye liquor and dyes, and control condition is during dyeing: the ratio 1: 10~50 of pollutant weight and dye liquor volume, 80~100 ℃ of temperature, time 45~80min; Dye complete, the washing, the oven dry;
Described mordant is one or more in ferric sulfate, iron(ic) chloride, ferrous sulfate, iron protochloride, aluminum chloride, Tai-Ace S 150, potassium aluminium sulfate or cerous sulfate, the Neodymium trichloride.
Adaptably, the present invention also provides a kind of method of utilizing aforementioned Chinese photinia fruit natural dyestuff to textile dyeing, may further comprise the steps:
(1) is configured to dye liquor with spissated Chinese photinia fruit natural dyestuff and water, wherein concentrates dyestuff and account for 5~25% of whole dye liquor quality, and regulate dye liquor pH value 4~6;
(2) will real silk or wool fabric immerse in the Chinese photinia fruit dye liquor and dye, control condition is during dyeing: the ratio 1: 10~50 of pollutant weight and dye liquor volume, 80~100 ℃ of temperature, time 45-80min; Dye complete, the washing, the oven dry;
(3) painted fabric is carried out the back mordant dyeing and handle, control condition is: mordant weight is 1~5% of pollutant weight, and bath raio is 1: 10~50, and temperature is 60~80 ℃, and the time is 30~45min; The taking-up fabric that disposes is cleaned, oven dry;
Described mordant is one or more in ferric sulfate, iron(ic) chloride, ferrous sulfate, iron protochloride, aluminum chloride, Tai-Ace S 150, potassium aluminium sulfate or cerous sulfate, the Neodymium trichloride.
Beneficial effect of the present invention is:
The present invention adopts ethanol---and the alkaline solution circumfluence method is extracted hypernic from the Chinese photinia fruit, extraction process is simple, and extraction efficiency is apparently higher than additive methods such as alcohol refluxs, and leaching process can not cause environmental pollution; Extract is good to the protein fibre dyefastness; The dyeing back uses the environmental protection mordant to handle can increase chromatogram; Dyeing back fabric color is soft, wears safety, does not have carcinogenic, teratogenesis or causes allergic reaction; Good, biodegradable with the ecotope consistency; And utilize the Chinese photinia fruit to prepare the natural dyestuff low price, and having made full use of natural resource, market outlook will be very wide.
Embodiment
Embodiment 1:
The Chinese photinia fresh fruit is cleaned, dried, mechanical disintegration; Taking by weighing 1 kilogram of crushed material, is the aqueous ethanolic solution of 10% (v/v) of 10 (sodium phosphate adjustings) with 10 kilograms of pH values, and lixiviate 120min under 70 ℃ of temperature filters, and centrifugal and underpressure distillation is concentrated into 5 liters, is spissated Chinese photinia fruit natural dyestuff.
Embodiment 2:
The Chinese photinia fresh fruit is cleaned, dried, mechanical disintegration; Taking by weighing 1 kilogram of crushed material, is the aqueous ethanolic solution of 25% (v/v) of 9 (yellow soda ash adjustings) with 20 kilograms of pH values, and lixiviate 90min under 80 ℃ of temperature filters, and centrifugal and underpressure distillation is concentrated into 5 liters, is spissated Chinese photinia fruit natural dyestuff.
Embodiment 3:
The Chinese photinia fresh fruit is cleaned, dried, mechanical disintegration; Taking by weighing 1 kilogram of crushed material, is the aqueous ethanolic solution of 8 (sodium bicarbonate adjusting) 50% (v/v) with 30 kilograms of pH values, and lixiviate 60min under 90 ℃ of temperature filters, and centrifugal and underpressure distillation is concentrated into 5 liters, is spissated Chinese photinia fruit natural dyestuff.
Embodiment 4:
(1) real silk fabric is joined carry out pre-mordant dyeing in the ferrous sulfate aqueous solution of pollutant weight 5% and handle, bath raio is 1: 50,60 ℃ of temperature, 30 minutes time, and the taking-up fabric that disposes, washing is extracted;
(2) spissated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration that concentrates dyestuff in the dye liquor is 25% (m/m), and pH value 4, bath raio 1: 50 are handled 80min under 95 ℃ temperature, washing, oven dry.
(3) sample as calculated machine color measurement and color match instrument record its color feature value L*, a*, b*, c*, K/S value and be respectively 51.17,9.21,16.77,19.13,5.40.
Embodiment 5:
(1) wool fabric is joined carry out pre-mordant dyeing in the alum solution of pollutant weight 3% and handle, bath raio is 1: 30,80 ℃ of temperature, 45 minutes time, and the taking-up fabric that disposes, washing is extracted;
(2) spissated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration that concentrates dyestuff in the dye liquor is 15% (m/m), pH value 6, bath raio 1: 30, and after above-mentioned fabrics immersed dye liquor, 100 ℃ of dyeing 60min dyed completely, and washing is dried.
(3) sample as calculated machine color measurement and color match instrument record its color feature value L*, a*, b*, c*, K/S value and be respectively 50.60,10.03,21.12,23.38,7.33.
Embodiment 6:
(1) real silk fabric is joined carry out pre-mordant dyeing in the Neodymium trichloride aqueous solution of pollutant weight 1% and handle, bath raio is 1: 10,70 ℃ of temperature, 40 minutes time, and the taking-up fabric that disposes, washing is extracted;
(2) spissated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration that concentrates dyestuff in the dye liquor is 5% (m/m), and the pH value is 5, bath raio 1: 10, and after above-mentioned fabrics immerses dye liquor, 80 ℃ of dyeing 45min.Dye complete, the washing, the oven dry;
(3) sample as calculated machine color measurement and color match instrument record its color feature value L*, a*, b*, c*, K/S value and be respectively 51.91,8.98,16.52,18.80,5.08.
Embodiment 7:
(1) spissated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration that concentrates dyestuff in the dye liquor is 25% (m/m), and pH value is 5, bath raio 1: 30, wool fabric immersed dye liquor after, 100 ℃ of 45min that dye.Dye complete, the washing, the oven dry;
(2) the back wool fabric that will dye joins and carries out back mordant dyeing in the alum solution of pollutant weight 5% and handle, and bath raio is 1: 30,80 ℃ of temperature, time 30min, the taking-up fabric that disposes, washing, oven dry, the sorrel wool fabric;
Embodiment 8:
(1) spissated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration that concentrates dyestuff in the dye liquor is 15% (m/m), and pH value is 6, bath raio 1: 50, real silk fabric immersed dye liquor after, 80 ℃ of 80min that dye.Dye complete, the washing, the oven dry;
(2) the back real silk fabric that will dye joins and carries out back mordant dyeing in the ferrous sulfate aqueous solution of pollutant weight 3% and handle, and bath raio is 1: 50,60 ℃ of temperature, time 45min, and the taking-up fabric that disposes, washing is dried; Get the pewter real silk fabric;
Embodiment 9:
(1) spissated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration that concentrates dyestuff in the dye liquor is 5% (m/m), and pH value is 4, bath raio 1: 10, real silk fabric immersed dye liquor after, 90 ℃ of 60min that dye.Dye complete, the washing, the oven dry;
(2) the back real silk fabric that will dye joins and carries out back mordant dyeing in the Neodymium trichloride aqueous solution of pollutant weight 1% and handle, and bath raio is 1: 10,70 ℃ of temperature, time 40min, and the taking-up fabric that disposes, washing is dried; Get the sorrel real silk fabric;
At last, it is also to be noted that, obviously the invention is not restricted to above embodiment, many distortion can also be arranged, all distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.