CN1028886C - Technology for producing wax printing leather - Google Patents

Abstract

The present invention provides a technologic method for producing batik leather, which comprises waxing, dyeing, color fixation and dewaxing. The present invention is characterized in that patterns are drawn on leather by using leather dyes by a soft pencil and a hard pencil before the waxing, then the waxing process is carried out by a wax knife to seal the drawn patterns, and the temperature of the wax knife must be basically consistent with the temperature of molten wax at waxing. The molten wax can be made by confecting yellow wax and white wax. The technology is simple, and leather with luxuriant colors and many patterns can be successfully made at a time by batik. The surface of the batik leather is level, fine, and smooth, and does not feel fat; the hue is fresh bright, the leather body is plump and elastic, and the leather has natural decorative patterns of traditional batik and has wide application.

Description

Technology for producing wax printing leather

What the present invention relates to is a kind of manufacturing technique method of leather, particularly be a kind of manufacturing technique method of wax printing leather.

Wax-dyeing process is the traditional folk art technology of China, and wax-dyeing process is used on the beautifying of leather, has not only improved the class of leather, and can satisfy the demands of consumers.In this respect, people have carried out various explorations.Disclose a kind of method of leather coloring as publication number CN1051949A " Wax painting method of leather ", comprise wax, operation such as dyeing, fixation, dewaxing.The major technique feature is to immersing between the moisture 30～65% in the wax liquid that dissolves with the crust leather control water of batik, be cooled to normal temperature rapidly after making the crust leather surface attach wax liquid, put into staining trough and will remove from office that base is curved to be torn open, make its surface checking lines, treat to take out rapidly when from then on dye liquor is penetrated into the crust leather surface, the rotary drum of packing into after the cool dye liquor to the moire slit of extension is absorbed by crust leather falls soft, and the wax pull-up of crust leather surface attachment is fallen.Production technology repeats numerous and diverse, needs repeatedly dyeing just can obtain required batik leather, and the product pattern that goes out of explained hereafter is single like this, and dull coloring lacks aesthetic feeling.

In view of above reason, the objective of the invention is for provide a kind of technology simple, can a batik success, the wax printing leather manufacturing technique method that pattern is various, the wax printing leather quality is good, attractive in appearance.

The present invention includes wax, operation such as dyeing, fixation, dewaxing, it is characterized in that adopting leather dye, draw a design on leather with soft, hard-tipped pen, wax with wax spatula then institute's drawing case is sealed, when waxing the wax spatula temperature should with the wax liquid temperature basically identical, can prevent that cutter splits, pattern can be drawn on demand, and quality is good.

Above-mentioned wax liquid can adopt yellow wax, Chinese wax formulated.

The proportioning (percentage by weight) of the yellow wax in the above-mentioned wax liquid, Chinese wax is:

When drawing the hachure decorative pattern:

Yellow wax 10～45

Chinese wax 90～55;

When drawing the thick lines decorative pattern:

Yellow wax 30～80,

Chinese wax 72～20;

Wax liquid temperature is 60～85 ℃ when waxing.

Wax liquid temperature is preferably 70～73 ℃ when waxing.

Liquor ratio should be 6～12 during dyeing, and temperature is 25～60 ℃, and liquor ratio should be 6～12 during fixation, and temperature is 25～60 ℃, pH=4.0～5.0, and temperature is 65～90 ℃ during dewaxing.

Liquor ratio is preferably 12 during dyeing, and temperature is preferably 40～42 ℃, and liquor ratio is preferably 12 during fixation, and temperature is preferably 50 ℃, and temperature is preferably 70 ℃ during dewaxing, the wax printing leather best results of producing like this.

Technology of the present invention is simple, can batik success rich color, the various leather of pattern.The wax printing leather leather surface is put down carefully smooth, no greasy feeling, and color and luster is lucid and lively, and is bright, abundant, and the leather body is plentiful and flexible and the line in riotous profusion naturally of traditional batik arranged again.The batik leather can be made top-grade fashion, also can do necktie, wall-hanging refining package etc., and is of many uses.

Introduce embodiments of the invention below, but protection scope of the present invention is not limited only to the following examples:

Choose through tanning, shaving, retanning, neutralization (or crust leather dyeing) adds wax, hangs and dry in the air, fall soft leather (as pig leather).

Embodiment 1:

1. draw, access versicolor solution with dyestuff is assorted at normal temperatures, be stained with this solution with writing brush (also available hard-tipped pen) and on leather, draw out multicolour pattern, left standstill 1～6 hour, be preferably 1 hour.

2. wax

Yellow wax, Chinese wax are dissolved into wax liquid by 80: 20 percentage by weight, and wax liquid temperature is controlled at 60～85 ℃, is preferably 70～73 ℃, and the wax spatula temperature when drawing wax also should be sealed multicolour pattern with wax liquid with the wax liquid temperature basically identical.According to design, the wax liquid layer can exceed pattern 0.5～1mm.

3. dyeing

Tare before the dyeing, as the materials benchmark of following operation.

Putting the leather after waxing into normal-temperature water soaks to pull out in 4～8 hours to insert after dripping slightly and adds good colourant, controls static dyeing (dyestuff is decided as required) in the thermostat of liquor ratio temperature well, the dyeing liquor liquor ratio is that 12(dyeing liquor ratio can be chosen in 6～12), temperature is 25～60 ℃, be preferably 40～42 ℃, dyeing time is 1～6 hour, is preferably 1 hour.If leather is too much, needed stir once in per 5 minutes, be beneficial to even dyeing.Can adopt commercially available general coloring agent.

4. fixation

Add formic acid (also available cerinic acid or other color-fixing agent) and form fixation liquid in former dye liquor, the fixation liquor ratio is 6～12, is preferably 12, and temperature is 25～60 ℃, is preferably 50 ℃, and the time is 1～6 hour, is preferably 1 hour, pH=4.0～5.0, fixation after washing.

5. dewaxing

Place 65～80 ℃ of (being preferably 70 ℃) hot water to soak 1～5 minute (being preferably 5 minutes) on the leather of fixation, pull out, put into temperature and be 1～30 ℃ of (being preferably 30 ℃) clear water and enter and rub brush with the hands, can slough most of wax.If wax does not purify, with tetrahydro carbon (C14) or ether or other organic solvent (1～2 times to leather weight) in rotary drum, the leather that does not purify wax is put into rotary drum rotate 20～60 minutes (being preferably 20 minutes), dewater, hang then and dry in the air, put in order the skin taking-up.

The pattern of the wax printing leather that the above several procedures of process are produced is the same with the preceding pattern of drawing of waxing, and has just mixed certain background color, and pattern is more dazzlingly beautiful.

Embodiment 2:

Present embodiment 2 is basic same with embodiment 1, not existing together is wax liquid proportioning difference, wax liquid proportioning (percentage by weight): yellow wax: Chinese wax=50: 50, coincideing of the background color of the wax printing leather of producing and expectation, background color and encaustic painting line color have stronger contrast, and chequered with black and white lucid and lively tone appears in the encaustic painting lines.

Embodiment 3:

Present embodiment 3 is substantially the same manner as Example 1, not existing together is the proportioning difference of wax liquid, its proportioning (percentage by weight): yellow wax: Chinese wax=10: 90, coincideing of the background color of the wax printing leather of producing and expectation, the encaustic painting lines occur white black red thoroughly, have white variegatedly in red, background color and encaustic painting lines colour contrast distinctness have the third dimension of the property protruded.

Embodiment 4:

Present embodiment 4 is substantially the same manner as Example 1, and not existing together is the proportioning difference of wax liquid, its proportioning (percentage by weight): yellow wax: Chinese wax=35: 65.Coincideing of wax printing leather background color of producing and expectation, background color and encaustic painting lines form striking contrast, and the encaustic painting lines are white in color, and distinct clear, the coloured and dazzling batik style that folk tradition is arranged again appears in picture and surface.

Wax liquid can adopt paraffin to substitute in the various embodiments described above.

Claims (3)

1, the manufacturing technique method of wax printing leather, comprise wax, dyeing, fixation, dewaxing, liquor ratio should be 6～12 when it is characterized in that dyeing, temperature is 25～60 ℃; Liquor ratio should be 6～12 during fixation, and temperature is 25～60 ℃, pH=4.0～5.0; Temperature is 65～90 ℃ during dewaxing.

2, the manufacturing technique method of wax printing leather as claimed in claim 1, wax liquid can adopt yellow wax and Chinese wax formulated when it is characterized in that waxing, and its proportioning (percentage by weight) is:

When drawing the hachure decorative pattern:

Yellow wax 10～45,

Chinese wax 90～55;

When drawing the thick lines decorative pattern:

Yellow wax 30～80,

Chinese wax 72～20;

3, the manufacturing technique method of wax printing leather as claimed in claim 1, liquor ratio is 12 when it is characterized in that dyeing, temperature is 40～42 ℃; Liquor ratio is 12 during fixation, and temperature is 50 ℃; Temperature is 70 ℃ during dewaxing.