CN103694729A - Cotton cloth dyeing process of madder plant dye - Google Patents

Abstract

The invention relates to a cotton cloth dyeing process of a madder plant dye and belongs to the field of textile technologies. The cotton cloth dyeing process comprises the following steps of: selecting madder rhizome; crushing into 40-mesh plant powder by using a traditional Chinese medicine pulverizer; extracting with an acetone-water solution of which the volume ratio is 1:1, wherein the solid-to-liquid ratio is 1: (10-20); heating to 50 DEG C, then stirring for 3 hours, extracting natural dye liquor, and filtering to obtain a dye solution; adding filtered residues into anhydrous ethanol, wherein the solid-to-liquid ratio is 1: (10-20); extracting again; condensing and refluxing evaporated gas by using a condensation pipe; continuously extracting for 0.5-1.5 hours each time; performing extraction twice or more than twice to obtain extraction liquor; mixing the dye solution with the extracted extraction liquor; drying and concentrating with a rotary evaporator of which the vacuum degree is 0.085 MPa and the water bath temperature is 75-80 DEG C, to prepare a dye concentrated solution; spray-drying the dye concentrated solution through high-speed centrifugation to prepare natural dye powder; and dyeing cotton cloth. The source of raw materials is convenient to obtain; the production process is simple; the prepared powdered dye is very convenient to transport, store and produce; and the color fastness of the dyed cotton cloth is high.

Description

A kind of cotton dyeing of gamene vegetable dye

Technical field

The cotton dyeing that the present invention relates to a kind of gamene 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.Madder 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 cotton dyeing of gamene vegetable dye, make its technique simple, production efficiency is high, easily extracts and has the natural plant dye of dyeing function, then cotton is dyeed.

For achieving the above object, the technology used in the present invention solution is a kind of cotton dyeing of gamene vegetable dye, comprises the following steps:

A, choose madder rhizome, with medicinal herb grinder, be ground into 40 order plant powders, adopt the aqueous acetone solution extraction that volume ratio is 1: 1, solid-to-liquid ratio is 1: 10-20, and stir after being heated to 50 ℃ and extract natural dye liquor in 3 hours, after filtration, obtain dye solution; The filter residue filtering adds in dehydrated alcohol, and solid-to-liquid ratio is 1: 10-20, again extract, and adopt prolong that the condensation of gas of evaporation is refluxed, each continuous extraction 0.5-1.5 hour, extracting twice or more than twice, is extracted liquid; The extraction liquid of dye solution and extraction mixes, and through vacuum tightness 0.085 MPa, bath temperature is that the Rotary Evaporators of 75-80 ℃ is dry concentrated, makes dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder;

B, cotton is dyeed, dyeing is:

Natural dye powder 2g/L

Vat powder 20g/L

Caustic soda 10g/L

Sodium sulfate anhydrous.min(99) 20g/L

Bath raio 1: 100

35 ℃ of dyeing temperatures

Dyeing time 30min

1/2 Sodium sulfate anhydrous.min(99) adds at 10min, and other 1/2 Sodium sulfate anhydrous.min(99) adds at 20min;

After dyeing, at 25 ℃, be oxidized, cold wash, soap boiling, washing and oven dry.

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.Dyed cotton fabric colour fastness is high.

Embodiment

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

A cotton dyeing for gamene vegetable dye, adopts following technological process:

A, choose madder rhizome, with medicinal herb grinder, be ground into 40 order plant powders, adopt the aqueous acetone solution extraction that volume ratio is 1: 1, solid-to-liquid ratio is 1: 10-20, and stir after being heated to 50 ℃ and extract natural dye liquor in 3 hours, after filtration, obtain dye solution; The filter residue filtering adds in dehydrated alcohol, and solid-to-liquid ratio is 1: 10-20, again extract, and adopt prolong that the condensation of gas of evaporation is refluxed, each continuous extraction 0.5-1.5 hour, extracting twice or more than twice, is extracted liquid; The extraction liquid of dye solution and extraction mixes, and through vacuum tightness 0.085 MPa, bath temperature is that the Rotary Evaporators of 75-80 ℃ is dry concentrated, makes dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder;

B, cotton is dyeed, dyeing is:

Natural dye powder 2g/L

Vat powder 20g/L

Caustic soda 10g/L

Sodium sulfate anhydrous.min(99) 20g/L

Bath raio 1: 100

35 ℃ of dyeing temperatures

Dyeing time 30min

1/2 Sodium sulfate anhydrous.min(99) adds at 10min, and other 1/2 Sodium sulfate anhydrous.min(99) adds at 20min;

After dyeing, at 25 ℃, be oxidized, cold wash, soap boiling, washing and oven dry.

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.Dyed cotton fabric colour fastness is high.

Claims (1)

1. a cotton dyeing for gamene vegetable dye, is characterized in that: comprise the following steps:

A, choose madder rhizome, with medicinal herb grinder, be ground into 40 order plant powders, adopt the aqueous acetone solution extraction that volume ratio is 1: 1, solid-to-liquid ratio is 1: 10-20, and stir after being heated to 50 ℃ and extract natural dye liquor in 3 hours, after filtration, obtain dye solution; The filter residue filtering adds in dehydrated alcohol, and solid-to-liquid ratio is 1: 10-20, again extract, and adopt prolong that the condensation of gas of evaporation is refluxed, each continuous extraction 0.5-1.5 hour, extracting twice or more than twice, is extracted liquid; The extraction liquid of dye solution and extraction mixes, and through vacuum tightness 0.085 MPa, bath temperature is that the Rotary Evaporators of 75-80 ℃ is dry concentrated, makes dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder;

B, cotton is dyeed, dyeing is:

Natural dye powder 2g/L

Vat powder 20g/L

Caustic soda 10g/L

Sodium sulfate anhydrous.min(99) 20g/L

Bath raio 1: 100

35 ℃ of dyeing temperatures

Dyeing time 30min

1/2 Sodium sulfate anhydrous.min(99) adds at 10min, and other 1/2 Sodium sulfate anhydrous.min(99) adds at 20min;

After dyeing, at 25 ℃, be oxidized, cold wash, soap boiling, washing and oven dry.