CN103665929A - Real silk dyeing process of pomegranate bark vegetable dye - Google Patents

Abstract

The invention discloses a real silk dyeing process of pomegranate bark vegetable dye, and belongs to the technical field of textile technology. The process comprises the following steps: selecting pomegranate bark, washing, drying in air, crushing into vegetable powder of 40 meshes by using a Chinese medicine crusher, putting the powder into an extraction tank, adding into 20 times of solution, adding sodium carbonate, adjusting the pH value of the solution to 9, heating till the temperature is 70-80 DEG C, continuously introducing carbon dioxide into the solution, stirring for 2-3 hours, and filtering so as to obtain a dye liquid; drying to concentrate the extracted dye liquid by using a rotating evaporator with the vacuum degree of 0.085 MPa and water bath temperature of 60-70 DEG C, so as to prepare a concentrated dye liquid; centrifuging and spraying to dry the concentrated dye liquid, so as to prepare a natural dye powder preparation; putting a real silk fabric into the dyeing bath with the natural dye powder preparation, wherein the dye concentration is 10 g/L, the dye contains 2 g/L of ammonium ferrous sulfate, the bath ratio is 1:50, and the pH value of the dying bath is 3.0; dyeing in boiled water for 30 minutes; subsequently cooling to be 70 DEG C, and adding a mordant; further raising the temperature to be boiled; dyeing for 30 minutes. The raw materials are convenient to obtain, and high color fastness is achieved after dyeing.

Description

A kind of silk dyeing technique of pomegranate rind vegetable dye

Technical field

The silk dyeing technique that the present invention relates to a kind of pomegranate rind vegetable dye, it belongs to textile technology field.

Background technology

Raising along with people's living standard, quality of life and living environment are more and more paid attention to, the biological degradation of natural plant dye self energy, do not affect environment, vegetable dye source plant, can expand plantation, continuous production, and it is applied to textile dyeing, there is significant Social benefit and economic benefit.Pomegranate rind contains pigment, is a kind of good pure natural dyestuff.

Summary of the invention

In view of the defect that prior art exists, the object of the present invention is to provide a kind of silk dyeing technique of pomegranate rind vegetable dye, make its technique simple, production efficiency is high, easily extracts and has the natural plant dye of dyeing function, then real silk is dyeed.

For achieving the above object, the technology used in the present invention solution is a kind of silk dyeing technique of pomegranate rind vegetable dye, comprises the following steps:

A. choose pomegranate rind, clean, dry, with medicinal herb grinder, be ground into 40 order plant powders, be placed in extractor, add in 20 times of aqueous solution, add sodium carbonate, the pH value of regulator solution is 9, is heated to temperature 70-80 ℃, and continues to pass into carbonic acid gas and stir in the aqueous solution, time is 2-3 hour, obtains dye solution after filtration; By the dye solution extracting, by vacuum tightness 0.085 MPa, bath temperature is that 60 ~ 70 ℃ of Rotary Evaporators are dry concentrated, makes dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder;

B. real silk fabric is put into the dye bath containing natural dye powder dye liquor, dye strength is 10g/L, ferrous ammonium sulphate 2g/L, and bath raio is 1:50, Value in Dyeing Process 3.0 boils and dyes 30min, is then cooled to 70 ℃, adds mordant to be warming up to and to boil again, dyeing 30min.

Described coal stain is rare earth-citric acid complex, and consumption is 1g/L.

Adopt after such scheme, compared with prior art there is following beneficial effect: raw material sources are convenient, and production technique is simple; Be prepared into powder dye, be convenient to very much transportation, store and produce, production efficiency is high, and after dyeing, colour fastness is high.

Embodiment

The present invention is below described further in connection with embodiment:

A kind of silk dyeing technique of pomegranate rind vegetable dye, adopt following technological process: a. chooses pomegranate rind, clean, dry, with medicinal herb grinder, be ground into 40 order plant powders, be placed in extractor, add in 20 times of aqueous solution, add sodium carbonate, the pH value of regulator solution is 9, be heated to temperature 70-80 ℃, and continue to pass into carbonic acid gas and stir in the aqueous solution, the time is 2-3 hour, obtains dye solution after filtration; By the dye solution extracting, by vacuum tightness 0.085 MPa, bath temperature is that 60 ~ 70 ℃ of Rotary Evaporators are dry concentrated, makes dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder;

B. real silk fabric is put into the dye bath containing natural dye powder dye liquor, dye strength is 10g/L, ferrous ammonium sulphate 2g/L, and bath raio is 1:50, Value in Dyeing Process 3.0 boils and dyes 30min, is then cooled to 70 ℃, adds mordant to be warming up to and to boil again, dyeing 30min.

Described coal stain is rare earth-citric acid complex, and consumption is 1g/L.

Raw material sources are convenient, and production technique is simple; Be prepared into powder dye, be convenient to very much transportation, store and produce, production efficiency is high.

Claims (2)

1. a silk dyeing technique for pomegranate rind vegetable dye, is characterized in that: comprise the following steps:

A. choose pomegranate rind, clean, dry, with medicinal herb grinder, be ground into 40 order plant powders, be placed in extractor, add in 20 times of aqueous solution, add sodium carbonate, the pH value of regulator solution is 9, is heated to temperature 70-80 ℃, and continues to pass into carbonic acid gas and stir in the aqueous solution, time is 2-3 hour, obtains dye solution after filtration; By the dye solution extracting, by vacuum tightness 0.085 MPa, bath temperature is that 60 ~ 70 ℃ of Rotary Evaporators are dry concentrated, makes dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder;

B. real silk fabric is put into the dye bath containing natural dye powder dye liquor, dye strength is 10g/L, ferrous ammonium sulphate 2g/L, and bath raio is 1:50, Value in Dyeing Process 3.0 boils and dyes 30min, is then cooled to 70 ℃, adds mordant to be warming up to and to boil again, dyeing 30min.

2. the silk dyeing technique of a kind of pomegranate rind vegetable dye according to claim 1, is characterized in that: described coal stain is rare earth-citric acid complex, and consumption is 1g/L.