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 namely extracts natural dyestuff from red Chinese photinia fruit, and is applied to textile dyeing.
Show after deliberation, the Chinese photinia fruit extract is bright-coloured sorrel, and its maximum absorption wavelength is about 490~500nm.Protein fibre or fabric are had good dyeing behavior, process 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, the Chinese photinia fruit natural dyestuff that obtains concentrating;
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 add an amount of sodium bicarbonate, yellow soda ash or sodium phosphate to regulate.
The present invention further provides and a kind ofly utilized aforementioned Chinese photinia fruit natural dyestuff to the method for 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 is disposed is cleaned, and extracts;
(2) be configured to dye liquor with concentrated Chinese photinia fruit natural dyestuff and water, wherein concentrated dyestuff accounts for 5~25% of whole dye liquor quality, and regulates dye liquor pH value 4~6;
(3) fabric of the pre-mordant dyeing of above-mentioned warp being processed 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 and has utilized aforementioned Chinese photinia fruit natural dyestuff to the method for textile dyeing, may further comprise the steps:
(1) be configured to dye liquor with concentrated Chinese photinia fruit natural dyestuff and water, wherein concentrated dyestuff accounts for 5~25% of whole dye liquor quality, and regulates 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) fabric that has dyeed is carried out rear mordant dyeing and process, 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 is disposed 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; Use the environmental protection mordant to process after the dyeing and can increase chromatogram; Fabric color is soft after the dyeing, 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 taking full advantage 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 concentrated 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 concentrated 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 concentrated 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 process, bath raio is 1: 50, temperature 60 C, time 30 minutes, and the taking-up fabric that is disposed, washing is extracted;
(2) concentrated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration of concentrated dyestuff is 25% (m/m) in the dye liquor, and pH value 4, bath raio 1: 50 are processed 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 process, bath raio is 1: 30,80 ℃ of temperature, 45 minutes time, and the taking-up fabric that is disposed, washing is extracted;
(2) concentrated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration of concentrated dyestuff is 15% (m/m), pH value 6 in the dye liquor, bath raio 1: 30, and after above-mentioned fabrics immersed dye liquor, 100 ℃ of dyeing 60min dyed completely, wash, and 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 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 process, bath raio is 1: 10, temperature 70 C, time 40 minutes, and the taking-up fabric that is disposed, washing is extracted;
(2) concentrated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration of concentrated dyestuff is 5% (m/m) in the dye liquor, 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) concentrated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration of concentrated dyestuff is 25% (m/m) in the dye liquor, and the 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) will dye after wool fabric join and carry out rear mordant dyeing in the alum solution of pollutant weight 5% and process, bath raio is 1: 30,80 ℃ of temperature, time 30min, the taking-up fabric that is disposed, washing, oven dry gets the sorrel wool fabric;
Embodiment 8:
(1) concentrated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration of concentrated dyestuff is 15% (m/m) in the dye liquor, and the 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) will dye after real silk fabric join and carry out rear mordant dyeing in the ferrous sulfate aqueous solution of pollutant weight 3% and process, bath raio is 1: 50, temperature 60 C, time 45min, the taking-up fabric that is disposed, washing, oven dry; Get the pewter real silk fabric;
Embodiment 9:
(1) concentrated Chinese photinia fruit natural dyestuff and water are made into dye liquor, the concentration of concentrated dyestuff is 5% (m/m) in the dye liquor, and the 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) will dye after real silk fabric join and carry out rear mordant dyeing in the Neodymium trichloride aqueous solution of pollutant weight 1% and process, bath raio is 1: 10, temperature 70 C, time 40min, the taking-up fabric that is disposed, washing, oven dry; 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.