阅读说明：本技术 一种硅胶透光皮革及其制备方法、透光饰件 (Silica gel light-transmitting leather, preparation method thereof and light-transmitting ornament ) 是由 巫青峰 李云 郝随众 狄少锋 苗辉 于 2021-08-18 设计创作，主要内容包括：本发明涉及一种硅胶透光皮革及其制备方法、透光饰件,属于人造革技术领域。本发明的硅胶透光皮革,包括：透光硅胶皮层,主要由固态硅胶原料硫化形成,一侧表面为纹路面；遮光层,贴合在透光硅胶皮层另一侧的表面上,设置有透光图案；所述遮光层为设置有透光图案的不透光基布；所述不透光基布与透光硅胶皮层在贴合处具有不透光基布与透光硅胶皮层相互缠结形成的缠结过渡层,所述透光图案用于使光透过后在透光硅胶皮层形成相应的图案。本发明的硅胶透光皮革,与现有的PVC、PU透光皮革对比,不仅健康,而且易于降解回收,可以用于各类车辆内部皮革装饰以及生活中的沙发、皮包等家用皮革装饰。(The invention relates to a silica gel light-transmitting leather, a preparation method thereof and a light-transmitting ornament, and belongs to the technical field of artificial leather. The invention relates to a silica gel light-transmitting leather, which comprises: the light-transmitting silica gel skin layer is mainly formed by vulcanizing a solid silica gel raw material, and the surface of one side of the light-transmitting silica gel skin layer is a textured pavement; the shading layer is attached to the surface of the other side of the light-transmitting silica gel skin layer and is provided with light-transmitting patterns; the shading layer is an opaque base cloth provided with a transparent pattern; the light-tight base cloth and the light-transmitting silica gel skin layer are provided with entanglement transition layers formed by mutual entanglement of the light-tight base cloth and the light-transmitting silica gel skin layer at the joint position, and the light-transmitting patterns are used for enabling light to penetrate through and then form corresponding patterns on the light-transmitting silica gel skin layer. Compared with the existing PVC and PU light-transmitting leather, the silica gel light-transmitting leather of the invention is healthy, easy to degrade and recover, and can be used for leather decoration in various vehicles and household leather decoration in daily life, such as sofas, leather bags and the like.)

1. A silica gel printing opacity leather which characterized in that: the method comprises the following steps:

the light-transmitting silica gel skin layer is mainly formed by vulcanizing a solid silica gel raw material, and the surface of one side of the light-transmitting silica gel skin layer is a textured pavement;

the shading layer is attached to the surface of the other side of the light-transmitting silica gel skin layer and is provided with light-transmitting patterns;

the shading layer is an opaque base cloth provided with a transparent pattern; the light-tight base cloth and the light-transmitting silica gel skin layer are provided with entanglement transition layers formed by mutual entanglement of the light-tight base cloth and the light-transmitting silica gel skin layer at the joint position, and the light-transmitting patterns are used for enabling light to penetrate through and then form corresponding patterns on the light-transmitting silica gel skin layer.

2. The silica gel light-transmitting leather according to claim 1, wherein: the light-transmitting base fabric layer is also included; the light shading layer and the light-transmitting base cloth layer are arranged in sequence in the direction away from the light-transmitting silica gel skin layer.

3. The silica gel light-transmitting leather according to claim 1 or 2, characterized in that: the light-tight base cloth is light-tight plain woven cloth.

4. The silica gel light-transmitting leather according to claim 3, wherein: the light-tight plain weave cloth is a terylene plain weave cloth.

5. A preparation method of silica gel light-transmitting leather is characterized by comprising the following steps: the method comprises the following steps:

1) mixing the solid silica gel raw material, the color paste and the vulcanizing agent uniformly, and then rolling the mixture onto the texture material belt to obtain a light-transmitting silica gel sheet with the texture material belt on one side;

2) pressing a light-tight base cloth with a light-tight pattern on the surface of the other side of the light-tight silica gel sheet with the grain material belt, and then carrying out vulcanization treatment to peel off the grain material belt;

or pressing the opaque base cloth on the surface of the other side of the transparent silica gel sheet with the grain material belt, then carrying out vulcanization treatment, and engraving a transparent pattern on the opaque base cloth after peeling the grain material belt.

6. The preparation method of the silica gel light-transmitting leather according to claim 5, characterized in that: the mass ratio of the color paste to the solid silica gel raw material is 0.1-0.5: 100.

7. The preparation method of the silica gel light-transmitting leather according to claim 5, characterized in that: further comprising the steps of: and after vulcanization, compounding the light-transmitting base cloth on the surface of the light-transmitting base cloth, which is far away from the light-transmitting silica gel sheet.

8. The preparation method of the silica gel light-transmitting leather according to claim 5, characterized in that: in the step 2), the surface of the opaque base cloth used for pressing is subjected to corona treatment.

9. The preparation method of the silica gel light-transmitting leather according to claim 5, characterized in that: the temperature of the vulcanization treatment is 130-160 ℃, and the time is 5-8 min.

10. A light-transmitting garnish, characterized in that: the method comprises the following steps:

the silicone light-transmitting leather according to any one of claims 1 to 5;

the light guide plate is arranged on one side of the silica gel light-transmitting leather far away from the light-transmitting silica gel skin layer.

Technical Field

The invention relates to a silica gel light-transmitting leather, a preparation method thereof and a light-transmitting ornament, and belongs to the technical field of artificial leather.

Background

With the rapid and stable development of the economy of China and the continuous pursuit of people for ever-increasing good life, the automobile conservation quantity of China continuously increases year by year. In order to occupy a larger market share, research and application of new materials, new structures and new processes are very important for all the car enterprises. The automobile decoration parts are gradually made into a country from the 80 th of the last century, and are gradually formed by developing the current concept of an automobile cabin, and the traditional opaque and environmentally-friendly leather cannot meet the requirement.

Most of the transparent leather in the market is PVC or PU leather, generally has large smell, may harm human health after long-term use, is not easy to degrade and has poor environmental protection property. With the continuous upgrading of the consumption requirements of client main bodies, the light-transmitting silica gel leather which is free of pollution, mildew-proof and healthy is inevitably required for future development.

Disclosure of Invention

The invention aims to provide healthy and environment-friendly silica gel light-transmitting leather.

The invention also provides a preparation method of the silica gel light-transmitting leather and a light-transmitting ornament.

In order to realize the purpose, the technical scheme adopted by the silica gel light-transmitting leather is as follows:

a silica gel light-transmitting leather comprising: the light-transmitting silica gel skin layer is mainly formed by vulcanizing a solid silica gel raw material, and the surface of one side of the light-transmitting silica gel skin layer is a textured pavement; the shading layer is attached to the surface of the other side of the light-transmitting silica gel skin layer and is provided with light-transmitting patterns; the shading layer is an opaque base cloth provided with a transparent pattern; the light-tight base cloth and the light-transmitting silica gel skin layer are provided with entanglement transition layers formed by mutual entanglement of the light-tight base cloth and the light-transmitting silica gel skin layer at the joint position, and the light-transmitting patterns are used for enabling light to penetrate through and then form corresponding patterns on the light-transmitting silica gel skin layer.

The light-transmitting silica gel skin layer is formed by uniformly mixing solid silica gel, color paste and a vulcanizing agent and then vulcanizing. Preferably, the mass ratio of the color paste to the solid silica gel raw material is 0.1-0.5: 100.

The silica gel light-transmitting leather is characterized in that a light-transmitting silica gel skin layer is formed by vulcanizing a non-toxic odorless solid silica gel raw material, and the light shielding layer and the light-transmitting silica gel skin layer are connected through forming an intertwining transition layer at the joint part.

Preferably, the silica gel light-transmitting leather further comprises a light-transmitting base fabric layer; the light shading layer and the light-transmitting base cloth layer are arranged in sequence in the direction away from the light-transmitting silica gel skin layer. The light-transmitting base cloth layer can improve the friction force of the back of the silica gel light-transmitting leather so as to prevent the engraved part of the light-shielding layer from being worn. When the silica gel light-transmitting leather without the light-transmitting base cloth layer is used, the silica gel light-transmitting leather can be directly bonded on the light guide plate.

Preferably, the light-transmitting base cloth layer is light-transmitting polyester knitted cloth or light-transmitting cotton cloth. Further, the light-tight base cloth is subjected to corona treatment to improve the surface adhesive force.

Preferably, the opaque base fabric is an opaque plain woven fabric. The light-tight plain weave cloth is used as the light-tight base cloth, so that the light-tight pattern of the engraved part can be better presented while the light source is shielded. The light-transmitting pattern is a laser etching pattern. The light-transmitting pattern may be engraved as desired.

Preferably, the opaque plain weave cloth is a polyester plain weave cloth.

The preparation method of the silica gel light-transmitting leather adopts the technical scheme that:

a preparation method of silica gel light-transmitting leather comprises the following steps:

1) mixing the solid silica gel raw material, the color paste and the vulcanizing agent uniformly, and then rolling the mixture onto the texture material belt to obtain a light-transmitting silica gel sheet with the texture material belt on one side;

2) pressing a light-tight base cloth with a light-tight pattern on the surface of the other side of the light-tight silica gel sheet with the grain material belt, and then carrying out vulcanization treatment to peel off the grain material belt;

or pressing the opaque base cloth on the surface of the other side of the transparent silica gel sheet with the grain material belt, then carrying out vulcanization treatment, and engraving a transparent pattern on the opaque base cloth after peeling the grain material belt.

The preparation method of the silica gel light-transmitting leather takes the nontoxic and tasteless solid silica gel raw material as the main raw material, presses the light-tight base cloth with the light-transmitting pattern or without the light-transmitting pattern by utilizing the self viscosity of the light-transmitting silica gel sheet which is not vulcanized after mixing, and then carries out vulcanization treatment, thereby greatly reducing the pollution of production and processing, even leading the production and processing process to have no pollution, and the prepared silica gel light-transmitting leather is healthy and easy to degrade and recycle.

The solid silica gel raw material is vulcanizable solid silica gel. Further, the solid silica gel is gas phase silica gel.

The color of the solid silica gel is changed through the color paste, the third dimension of the leather is improved, and the specific color can be selected according to the requirement. Preferably, the mass ratio of the color paste to the solid silica gel raw material is 0.1-0.5: 100.

The thickness of printing opacity silica gel piece can be adjusted the calendering technology as required and obtain, and the printing opacity pattern on the opaque base cloth can adopt radium-shine carving equipment to carry out radium-shine sculpture formation, if can adopt optic fibre radium-shine carving machine or carbon dioxide radium-shine carving machine to carve.

Preferably, in the step 2), the surface of the opaque base fabric for lamination is subjected to corona treatment.

Preferably, the preparation method of the silica gel light-transmitting leather further comprises the following steps: and after vulcanization, compounding the light-transmitting base cloth on the surface of the light-transmitting base cloth, which is far away from the light-transmitting silica gel sheet. For example, the light-transmitting substrate may be adhered to the surface of the light-impermeable substrate using a transparent adhesive.

Preferably, the vulcanizing agent is an A/B component platinum vulcanizing agent.

Preferably, the temperature of the vulcanization treatment is 130-160 ℃, and the time is 5-8 min. The time for the vulcanization treatment is preferably 5 to 6 min.

The technical scheme adopted by the light-transmitting ornament is as follows:

a light-transmitting trim comprising: silica gel printing opacity leather and light guide plate, the light guide plate sets up in one side that printing opacity silica gel cortex was kept away from to silica gel printing opacity leather.

According to the light-transmitting ornament, the light guide plate is arranged on one side of the light-transmitting leather, so that light can uniformly pass through the light-transmitting layer after the light source irradiates the light guide plate, and a uniform light-emitting pattern is presented on the surface of the silica gel light-transmitting leather; when the environment-friendly interior decorative material is used as an automotive interior decorative part, the environment-friendly interior decorative material is environment-friendly and healthy, and the problem of single atmosphere in an automobile can be solved.

It can be understood that when the light guide plate is arranged on one side of the silica gel light-transmitting leather far away from the light-transmitting silica gel cortex, the light guide plate, the light-transmitting layer and the light-transmitting silica gel cortex are sequentially arranged. The light guide plate is made of transparent plastic.

Preferably, the light-transmitting decoration piece further comprises a light source for illuminating the light guide plate to enable light to uniformly penetrate through the light-transmitting layer. The light source can be a single color or a diode, an LED lamp, or a luminous strip.

Drawings

FIG. 1 is a schematic structural view of a silicone light-transmitting leather according to example 1;

fig. 2 is a schematic structural view of a light-transmitting trim part in embodiment 9;

FIG. 3 is a graph showing the effect of the silica gel light-transmitting leather of example 7 before a display screen with a brightness of 300 nit;

FIG. 4 is a graph showing the effect of the silica gel light-transmitting leather of example 8 before a display screen with a brightness of 300 nit;

the shading structure comprises a shading layer, a shading base fabric layer and a shading plate, wherein the shading layer comprises 1-a light-transmitting silica gel skin layer, 2-the shading layer, 3-a light-transmitting base fabric layer and 4-the shading plate.

Detailed Description

The technical solution of the present invention will be further described with reference to the following embodiments.

In the following examples, a solid silica gel raw material model is AOZ-3142 gas phase gel, which is purchased from Australian Olympic industry Co., Ltd, Jiangmen; the vulcanizing agent is a platinum vulcanizing agent of component A/B, wherein the component A is A-202, the component B is B-213, and the vulcanizing agent is purchased from silica gel Co., Ltd.

Example 1

The silica gel light-transmitting leather of the present embodiment, as shown in fig. 1, includes a light-transmitting silica gel skin layer 1, a light-shielding layer 2 and a light-transmitting base fabric layer 3, which are sequentially arranged; the light shielding layer is a light-tight plain woven fabric engraved with light-transmitting patterns, and the light-transmitting base fabric layer is a light-transmitting polyester knitted fabric; the surface of one side of the light-transmitting silica gel skin layer is a textured road surface, the surface of the other side of the light-transmitting silica gel skin layer is mutually attached to the shading layer, and the light-transmitting silica gel skin layer and the shading layer are mutually entangled at the attachment part to form an entanglement transition layer (not shown in the figure); the printing opacity base cloth layer and light shield layer pass through transparent gluing and paste together, and the thickness of printing opacity silica gel cortex is 0.4 mm.

The silica gel light-transmitting leather of the present example was prepared by the method of example 4.

Example 2

The main difference between the silica gel light-transmitting leather of the present embodiment and the silica gel light-transmitting leather of embodiment 1 is: the light-transmitting leather of the embodiment omits a light-transmitting base cloth layer, and the thickness of the light-transmitting silica gel light-transmitting leather is 0.3 mm. The silica gel light-transmitting leather of the present example was prepared by the method of example 5.

Example 3

The main differences between the silicone light-transmitting leather of the present embodiment and the silicone light-transmitting leather of embodiment 1 are as follows: the opaque base cloth layer of the silica gel light-transmitting leather of the embodiment is light-transmitting cotton cloth, and the thickness of the light-transmitting silica gel light-transmitting leather is 0.5 mm. The silica gel light-transmitting leather of this example was prepared by the preparation method of example 6.

Example 4

The preparation method of the silica gel light-transmitting leather of the embodiment comprises the following steps:

1) feeding the solid silica gel, the color paste and the A/B component platinum vulcanizing agent into an open mill according to the mass ratio of 100:0.1:1.5, and uniformly mixing to obtain a rubber compound; the backlight color of the uniformly mixed rubber compound is uniform and the mixed rubber compound is semitransparent to light; the mass ratio of the agent A to the agent B in the platinum vulcanizing agent of the component A/B is 1: 0.5;

2) using grain paper with lines as a calendering material belt, putting the rubber compound into a calender, and calendering the rubber compound onto the grain material belt to obtain a light-transmitting silica gel sheet with the grain material belt on one side;

3) pressing a layer of corona opaque plain weave cloth on the other side surface of the light-transmitting silica gel sheet with the grain material belt on one side obtained in the step 2) by using the viscosity of unvulcanized silica gel, then feeding the light-transmitting silica gel sheet into a furnace channel for vulcanization treatment at 130 ℃ for 5min, and then stripping the grain material belt;

4) after stripping the grain material belt, performing laser etching processing on the light-tight plain weave cloth by using a laser etching machine to form a light-transmitting pattern;

5) and after the patterns are laser-engraved, a layer of light-transmitting polyester knitted fabric is bonded on the light-proof plain weave fabric by using transparent adhesive, and the solid silica gel light-transmitting leather with the lines is obtained.

Example 5

This embodiment is a method for preparing the silica gel light-transmitting leather of embodiment 2, including the following steps:

1) feeding the solid silica gel, the color paste and the A/B component platinum vulcanizing agent into an open mill according to the mass ratio of 100:0.25:1.5, and uniformly mixing to obtain a rubber compound; the backlight color of the uniformly mixed rubber compound is uniform and the mixed rubber compound is semitransparent to light; the mass ratio of the agent A to the agent B in the platinum vulcanizing agent of the component A/B is 1: 0.5;

2) using a grain film with grains as a calendering material belt, putting the rubber compound into a calender, and calendering the rubber compound onto the grain material belt to obtain a light-transmitting silica gel sheet with the grain material belt on one side;

3) pressing a layer of corona opaque plain weave cloth on the other side surface of the light-transmitting silica gel sheet with the grain material belt on one side obtained in the step 2) by using the viscosity of unvulcanized silica gel, then feeding the light-transmitting silica gel sheet into a furnace channel for vulcanization treatment at 145 ℃ for 5min, and then stripping the grain material belt;

4) and (3) after stripping the grain material belt, carrying out laser engraving processing on the light-tight plain weave cloth by using a laser engraving machine to form a light-transmitting pattern, thus obtaining the solid silica gel light-transmitting leather with the grains.

Example 6

This embodiment is a method for preparing the silica gel light-transmitting leather of embodiment 3, including the following steps:

1) feeding the solid silica gel, the color paste and the A/B component platinum vulcanizing agent into an open mill according to the mass ratio of 100:0.5:1.5, and uniformly mixing to obtain a rubber compound; the backlight color of the uniformly mixed rubber compound is uniform and the mixed rubber compound is semitransparent to light; the mass ratio of the agent A to the agent B in the platinum vulcanizing agent of the component A/B is 1: 0.5;

2) using a grain film with grains as a calendering material belt, putting the rubber compound into a calender, and calendering the rubber compound onto the grain material belt to obtain a light-transmitting silica gel sheet with the grain material belt on one side;

3) pressing a layer of corona opaque plain weave cloth on the other side surface of the light-transmitting silica gel sheet with the grain material belt on one side obtained in the step 2) by using the viscosity of unvulcanized silica gel, then feeding the light-transmitting silica gel sheet into a furnace channel for vulcanization treatment at 160 ℃ for 6min, and then stripping the grain material belt;

4) after stripping the grain material belt, performing laser etching processing on the light-tight plain weave cloth by using a laser etching machine to form a light-transmitting pattern;

5) and after the patterns are laser-engraved, adhering a layer of light-transmitting cotton cloth on the light-proof plain weave cloth by using transparent adhesive to obtain the solid silica gel light-transmitting leather with the lines.

Example 7

The preparation method of the silica gel light-transmitting leather of the present embodiment is different from the preparation method of the silica gel light-transmitting leather of the embodiment 4 only in that: in the embodiment, the mass ratio of the solid silica gel to the color paste to the A/B component platinum vulcanizing agent is 100:0.7: 1.5.

Example 8

The preparation method of the silica gel light-transmitting leather of the present embodiment is different from the preparation method of the silica gel light-transmitting leather of the embodiment 4 only in that: in the embodiment, the mass ratio of the solid silica gel to the color paste to the A/B component platinum vulcanizing agent is 100:0.2: 1.5.

Example 9

The light-transmitting decoration of the present embodiment, as shown in fig. 2, includes a silica gel light-transmitting leather, a light guide plate 4 and a light source 5, which are sequentially disposed; silica gel printing opacity leather is embodiment 1's silica gel printing opacity leather, including the printing opacity silica gel cortex 1, light shield layer 2 and the printing opacity base cloth layer 3 that set gradually, light guide plate 4 sets up in one side that silica gel printing opacity leather kept away from printing opacity silica gel cortex 1, laminates each other with printing opacity base cloth layer 3, and light source 5 sets up the outside at the light guide plate.

The effect of the light-transmitting decoration piece of the embodiment after the light source is turned on is shown in fig. 2, and as can be seen from fig. 2, the light source sequentially passes through the light-transmitting base fabric layer 3, the light-shielding layer 2 after laser engraving, and the light-transmitting silica gel skin to generate the pattern effect. By the different colors emitted from the light source, various light emitting patterns of different colors can be observed from the front surface of the light-transmitting leather 1.

Example 10

The light-transmitting decoration piece of the present embodiment is different from the light-transmitting decoration piece of the embodiment 9 only in that the adopted silica gel light-transmitting leather is the silica gel light-transmitting leather of the embodiment 2.

Example 11

The light-transmitting decoration piece of the present embodiment is different from the light-transmitting decoration piece of the embodiment 9 only in that the adopted silica gel light-transmitting leather is the silica gel light-transmitting leather of the embodiment 3.

Examples of the experiments

The light transmission patterns of the silica gel light transmission leather prepared in example 7 and the silica gel light transmission leather prepared in example 8 were respectively attached to the front of a screen of a display with a brightness of 300nit (a pure white pattern is displayed), and the light transmission condition was checked, and the results are shown in fig. 3 and fig. 4, wherein the light transmission pattern of the silica gel light transmission leather prepared in example 7 is dim in brightness, and the light transmission pattern of the silica gel light transmission leather prepared in example 8 is higher in brightness and superior to that of the PU light transmission leather on the market at present.