阅读说明：本技术 仿古多色岩石裂纹皮及其制备方法 (Antique polychrome rock crack skin and preparation method thereof ) 是由 林汉彬 许维奇 杨俊昇 张智灵 覃红洁 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种仿古多色岩石裂纹皮及其制备方法,属于皮革技术领域。本发明的仿古多色岩石裂纹皮,从上至下依次包括：第二层花膜、第一层花膜、裂纹膜、胶膜和皮料,所述第二层花膜、第一层花膜、裂纹膜、胶膜依次贴附余皮料外表面。制得的仿古多色岩石裂纹皮成品率高,具有明显的多色岩石裂纹视觉效果。(The invention discloses an antique polychrome rock crack skin and a preparation method thereof, and belongs to the technical field of leather. The antique polychrome rock crackle skin of the invention sequentially comprises from top to bottom: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material. The prepared antique multicolor rock crackle skin has high yield and obvious multicolor rock crackle visual effect.)

1. Polychrome rock crack skin modelled after an antique, its characterized in that includes from last down in proper order: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material.

2. The method for preparing the pseudo-classic polychite crackled skin as claimed in claim 1, characterized by comprising the following steps:

step one, adhesive film attaching

Attaching an adhesive film to the leather, and standing to obtain an adhesive film leather;

step two, attaching the crack film

Attaching a crack film to the surface of the adhesive film layer of the adhesive film cladding material obtained in the step one to obtain a crack film cladding material;

step three, attaching the first layer of flower film

Attaching the first layer of flower film to the surface of the crack film skin material obtained in the step two to obtain a first layer of flower film skin material;

step four, attaching a second layer of flower film

And (4) attaching the second layer of flower film to the surface of the first layer of flower film skin material obtained in the step three, and standing to obtain the antique polychrome rock crack skin.

3. The method for preparing the pseudo-classic polychite crackle skin according to claim 2, wherein in the first step, when the adhesive film is attached, the attaching temperature is 140-150 ℃, the attaching pressure is 5-7 kg, the oil pressure is 3-6 kg, the attaching speed is 1.5-3.0 m/min, then the roller burnishing is carried out for 1-2 times, and finally the still standing is carried out for 50-60 s.

4. The method for preparing the pseudo-classic polychite crackle skin according to claim 2, wherein in the second step, when the crackle film is attached, the attaching temperature is 145-160 ℃, the attaching pressure is 2.5-4 kg, the oil pressure is 2-3 kg, the attaching speed is 3.6-4.0 m/min, and the roller burnishing is performed for 1-2 times.

5. The method for preparing the pseudo-classic polychite crackle skin according to claim 2, wherein in the third step, when the first layer of the floral film is attached, the attaching temperature is 100-110 ℃, the attaching pressure is 3-4 kg, the oil pressure is 1.5-2 kg, the attaching speed is 4.5-6.0 m/min, and the roller burnishing is performed for 1-2 times.

6. The preparation method of the antique polychrome rock crackle skin as claimed in claim 2, wherein in the fourth step, when the second layer of the floral film is attached, the attaching temperature is 140-155 ℃, the attaching pressure is 5-6 kg, the oil pressure is 3-4 kg, the attaching speed is 4-6 m/min, the roller burnishing is performed for 1-2 times, and then the still standing is performed for 2-3 hours.

7. The preparation method of the antique polychrome rock crackle skin as claimed in claim 2, wherein the crackle film is attached and then softened for 1-2 times, wherein the softening coefficient is 5.0;

after the second layer of flower film is attached, softening is carried out for 1-2 times, and the softening coefficient is 6.0;

and after the first layer of flower film is attached, softening for 1-2 times, wherein the softening coefficient is 6.0.

Technical Field

The invention belongs to the technical field of leather, and particularly relates to an antique polychrome rock crackle skin and a preparation method thereof.

Background

As more and more skin products enter the market, the options for consumers are increasing, and how the skin products of the enterprise receive more consumers. With the prevalence of the antique trend, many people have nostalgia and antique feelings, and the antique products are popular with consumers.

However, there are ancient leather products on the market, so there is a need for preparing antique polychrome rock crackled skin and a preparation method thereof.

The invention discloses a Chinese patent application No. 201410777071.2, which discloses a surface archaizing treatment method of leather, wherein ultrasonic treatment, coating treatment fluid and crack forming film are carried out on the leather by the treatment fluid. The prepared leather is protected by the treating fluid and has the antique crack effect.

The leather produced by the above process has unique visual effect, and then the cracks are formed by stretching the leather, the controllability of the operation is not high, the quality of the leather is difficult to control, and the high-quality yield is not high.

Therefore, it is desirable to provide a polychrome rock crackled skin with precisely controlled process and high quality and yield.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the polychrome rock crackle skin with accurately controllable process, high quality and high yield.

The invention adopts the following technical scheme:

archaize polychrome rock crackle skin includes from last to down in proper order: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material.

The preparation method of the antique polychrome rock crackle skin comprises the following steps:

step one, adhesive film attaching

Attaching an adhesive film to the leather, and standing to obtain an adhesive film leather;

step two, attaching the crack film

Attaching a crack film to the surface of the adhesive film layer of the adhesive film cladding material obtained in the step one to obtain a crack film cladding material;

step three, attaching the first layer of flower film

Attaching the first layer of flower film to the surface of the crack film skin material obtained in the step two to obtain a first layer of flower film skin material;

step four, attaching a second layer of flower film

And (4) attaching the second layer of flower film to the surface of the first layer of flower film skin material obtained in the step three, and standing to obtain the antique polychrome rock crack skin.

Further, in the first step, when the adhesive film is attached, the attaching temperature is 140-150 ℃, the attaching pressure is 5-7 kg, the oil pressure is 3-6 kg, the attaching speed is 1.5-3.0 m/min, then the roller burnishing is carried out for 1-2 times, and finally the standing is carried out for 50-60 s.

Further, when the crack film is attached in the second step, the attaching temperature is 145-160 ℃, the attaching pressure is 2.5-4 kg, the oil pressure is 2-3 kg, the attaching speed is 3.6-4.0 m/min, and the roll finishing is performed for 1-2 times.

Further, in the third step, when the first layer of flower film is attached, the attaching temperature is 100-110 ℃, the attaching pressure is 3-4 kg, the oil pressure is 1.5-2 kg, the attaching speed is 4.5-6.0 m/min, and the roller burnishing is performed for 1-2 times.

And step four, when the second layer of flower film is attached, the attaching temperature is 140-155 ℃, the attaching pressure is 5-6 kg, the oil pressure is 3-4 kg, the attaching speed is 4-6 m/min, the roller burnishing is performed for 1-2 times, and then the standing is performed for 2-3 hours.

Furthermore, after the crack film is attached, softening is carried out for 1-2 times, and the softening coefficient is 5.0.

Further, after the second layer of flower film is attached, softening is carried out for 1-2 times, and the softening coefficient is 6.0.

Further, after the first layer of flower film is attached, softening is carried out for 1-2 times, and the softening coefficient is 6.0.

Compared with the prior art, the invention has the following beneficial effects:

firstly, the adhesive film, the crack film, the first layer of flower film and the second layer of flower film are matched and attached to the leather together, so that the surface of the leather forms a unique antique multicolor rock crack effect, and the visual effect of making people bright in front is achieved;

secondly, through pressure, temperature, the attached speed when accurate control glued membrane, crackle membrane, first layer flower membrane and the attached of second layer flower membrane to softening the control of number of times, effectively improve the tensile strength, rupture strength and the wear-resisting performance of leather, and its waterproof performance is high, and the degree of being stained with reaches 89, and has excellent ultraviolet resistance ageing properties.

Detailed Description

The raw materials used in the invention are all commercial products, wherein:

the adhesive film is adhesive film DM-025;

the crack film is a crack film DF-007-2;

the floral membrane is purchased as floral membrane A-088;

the floral film is floral film A-109-0.

Example 1

Archaize polychrome rock crackle skin includes from last to down in proper order: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material.

The preparation method of the antique polychrome rock crackle skin comprises the following steps:

step one, adhesive film attaching

Attaching an adhesive film to the leather, and standing to obtain an adhesive film leather;

when the adhesive film is attached, the attaching temperature is 140 ℃, the attaching pressure is 5kg, the oil pressure is 3kg, the attaching speed is 1.5m/min, then the roller burnishing is carried out for 1 time, and finally the standing is carried out for 50 s.

Step two, attaching the crack film

Attaching a crack film to the surface of the adhesive film layer of the adhesive film cladding material obtained in the step one to obtain a crack film cladding material;

when the crack film is attached, the attaching temperature is 145 ℃, the attaching pressure is 2.5kg, the oil pressure is 2kg, the attaching speed is 3.6m/min, and the roll finishing is performed for 1 time.

Step three, attaching the first layer of flower film

Attaching the first layer of flower film to the surface of the crack film skin material obtained in the step two to obtain a first layer of flower film skin material;

when the first layer of flower film is attached, the attaching temperature is 100 ℃, the attaching pressure is 3kg, the oil pressure is 1.5kg, the attaching speed is 4.5m/min, and the roller burnishing is carried out for 1 time.

Step four, attaching a second layer of flower film

Attaching the second layer of flower film to the surface of the first layer of flower film skin material obtained in the step three, and standing to obtain the antique polychrome rock crack skin;

when the second layer of flower film is attached, the attaching temperature is 140 ℃, the attaching pressure is 5kg, the oil pressure is 3kg, the attaching speed is 4m/min, the roller burnishing is carried out for 1 time, and then the standing is carried out for 2 hours.

Example 2

Archaize polychrome rock crackle skin includes from last to down in proper order: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material.

The preparation method of the antique polychrome rock crackle skin comprises the following steps:

step one, adhesive film attaching

Attaching an adhesive film to the leather, and standing to obtain an adhesive film leather;

when the adhesive film is attached, the attaching temperature is 150 ℃, the attaching pressure is 7kg, the oil pressure is 6kg, the attaching speed is 3.0m/min, then the roller burnishing is carried out for 2 times, and finally the standing is carried out for 60 s.

Step two, attaching the crack film

Attaching a crack film to the surface of the adhesive film layer of the adhesive film cladding material obtained in the step one to obtain a crack film cladding material;

when the crack film is attached, the attaching temperature is 160 ℃, the attaching pressure is 4kg, the oil pressure is 3kg, the attaching speed is 4.0m/min, and the roll finishing is performed for 2 times.

Step three, attaching the first layer of flower film

Attaching the first layer of flower film to the surface of the crack film skin material obtained in the step two to obtain a first layer of flower film skin material;

when the first layer of flower film is attached, the attaching temperature is 110 ℃, the attaching pressure is 4kg, the oil pressure is 2kg, the attaching speed is 6.0m/min, and the roller burnishing is carried out for 2 times.

Step four, attaching a second layer of flower film

Attaching the second layer of flower film to the surface of the first layer of flower film skin material obtained in the step three, and standing to obtain the antique polychrome rock crack skin;

when the second layer of flower film is attached, the attaching temperature is 155 ℃, the attaching pressure is 6kg, the oil pressure is 4kg, the attaching speed is 6m/min, the roller burnishing is carried out for 2 times, and then the standing is carried out for 3 hours.

Example 3

Archaize polychrome rock crackle skin includes from last to down in proper order: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material.

The preparation method of the antique polychrome rock crackle skin comprises the following steps:

step one, adhesive film attaching

Attaching an adhesive film to the leather, and standing to obtain an adhesive film leather;

when the adhesive film is attached, the attaching temperature is 145 ℃, the attaching pressure is 6kg, the oil pressure is 4kg, the attaching speed is 2.0m/min, then the roller burnishing is carried out for 2 times, and finally the standing is carried out for 60 s.

Step two, attaching the crack film

Attaching a crack film to the surface of the adhesive film layer of the adhesive film cladding material obtained in the step one to obtain a crack film cladding material;

when the crack film is attached, the attaching temperature is 150 ℃, the attaching pressure is 3.0kg, the oil pressure is 3kg, the attaching speed is 3.7m/min, and the roll finishing is performed for 2 times.

Step three, attaching the first layer of flower film

Attaching the first layer of flower film to the surface of the crack film skin material obtained in the step two to obtain a first layer of flower film skin material;

when the first layer of flower film is attached, the attaching temperature is 105 ℃, the attaching pressure is 4kg, the oil pressure is 1.6kg, the attaching speed is 5.0m/min, and the roller burnishing is carried out for 2 times.

Step four, attaching a second layer of flower film

Attaching the second layer of flower film to the surface of the first layer of flower film skin material obtained in the step three, and standing to obtain the antique polychrome rock crack skin;

when the second layer of flower film is attached, the attaching temperature is 145 ℃, the attaching pressure is 6kg, the oil pressure is 4kg, the attaching speed is 5m/min, the roller burnishing is carried out for 2 times, and then the standing is carried out for 2.5 hours.

Example 4

Archaize polychrome rock crackle skin includes from last to down in proper order: the second layer of flower film, the first layer of flower film, the crack film, the glue film and the leather material are sequentially attached to the outer surface of the residual leather material.

The preparation method of the antique polychrome rock crackle skin comprises the following steps:

step one, adhesive film attaching

Attaching an adhesive film to the leather, and standing to obtain an adhesive film leather;

when the adhesive film is attached, the attaching temperature is 150 ℃, the attaching pressure is 7kg, the oil pressure is 5kg, the attaching speed is 2.5m/min, then the roller burnishing is carried out for 1 time, and finally the standing is carried out for 55 s.

Step two, attaching the crack film

Attaching a crack film to the surface of the adhesive film layer of the adhesive film cladding material obtained in the step one to obtain a crack film cladding material;

when the crack film is attached, the attaching temperature is 155 ℃, the attaching pressure is 3.5kg, the oil pressure is 2.5kg, the attaching speed is 3.8m/min, and the roll finishing is performed for 2 times.

Step three, attaching the first layer of flower film

Attaching the first layer of flower film to the surface of the crack film skin material obtained in the step two to obtain a first layer of flower film skin material;

when the first layer of flower film is attached, the attaching temperature is 105 ℃, the attaching pressure is 4kg, the oil pressure is 1.8kg, the attaching speed is 5.5m/min, and the roller burnishing is carried out for 2 times.

Step four, attaching a second layer of flower film

Attaching the second layer of flower film to the surface of the first layer of flower film skin material obtained in the step three, and standing to obtain the antique polychrome rock crack skin;

when the second layer of flower film is attached, the attaching temperature is 150 ℃, the attaching pressure is 5.5kg, the oil pressure is 3.5kg, the attaching speed is 5m/min, the roller burnishing is carried out for 1 time, and then the standing is carried out for 2.5 hours.

Example 5

The difference between this example and example 1 is that after the crack film was attached, softening was performed 1 time with a softening coefficient of 5.0, after the second layer of flower film was attached, softening was performed 1 time with a softening coefficient of 6.0, and after the first layer of flower film was attached, softening was performed 1 time with a softening coefficient of 6.0.

Example 6

The difference between this example and example 1 is that after the crack film was attached, the softening was performed 2 times, the softening coefficient was 5.0, after the second layer of flower film was attached, the softening was performed 2 times, the softening coefficient was 6.0, and after the first layer of flower film was attached, the softening was performed 2 times, and the softening coefficient was 6.0.

The performance of the antique polychrome rock crackled skin prepared in the embodiments 1-6 of the invention is detected, wherein:

firstly, detecting the water splashing prevention performance:

carrying out a water-splashing prevention test by using a water-wetting degree tester GT-7033N;

note that:

1.1 and 250mL of water must be sprayed within 25-30 s;

1.2, forming an angle of 45 degrees on a horizontal plane by the sample bracket;

1.3, keeping a distance of 152.4mm between the center of the lower surface of the nozzle and the center of the surface of the sample;

1.4, during the test, the hand is prevented from being released from the detection instrument, so that the experimental result is not influenced.

Secondly, a softness testing method comprises the following steps:

sampling according to the sampling mode of ISO 2418-;

thirdly, testing the abrasion performance:

the leather abrasion test is carried out by an universal abrasion tester GT-7012-S manufactured by Shenzhen Yinfei electronic technology Limited;

fourthly, testing yellowing resistance:

and (4) carrying out a yellowing resistance test by a yellowing resistance tester.

The antique polychrome rock crackled skin obtained in the embodiments 1-6 of the invention is detected by a yellowing resistance tester and a universal abrasion tester, and the detection results are shown in the following table 1;

table 1: the detection results of the cracking skin of the antique polychrome rock prepared in the embodiments 1 to 3 are as follows:

table 2: the detection results of the cracking skin of the antique polychrome rock prepared in the embodiments 4 to 5 are as follows:

as can be seen from tables 1 and 2, the antique polychrome rock crackled skin prepared by the preparation method has excellent color fastness and strong extensibility, tearing property and tensile strength.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.