CN216659193U - Light and thin durable TPU color-changing car cover - Google Patents
Light and thin durable TPU color-changing car cover Download PDFInfo
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- CN216659193U CN216659193U CN202120218823.7U CN202120218823U CN216659193U CN 216659193 U CN216659193 U CN 216659193U CN 202120218823 U CN202120218823 U CN 202120218823U CN 216659193 U CN216659193 U CN 216659193U
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Abstract
The utility model discloses a light, thin and durable TPU color-changed car cover. The anti-sticking PET film comprises a PET anti-sticking layer with the thickness of 0.05-0.3mm, a glue layer with the thickness of 0.01-0.05mm, a TPU substrate layer with the thickness of 0.1-0.15mm, a multi-layer effect color-changing layer with the thickness of 0.01-0.08mm, a multifunctional protective layer with the thickness of 0.01-0.05mm and a release protective layer with the thickness of 0.01-0.05mm which are arranged in sequence from inside to outside. The utility model has the advantages that: the TPU substrate layer used in the utility model is a recyclable polyether-polyester copolymer or aliphatic TPU with excellent yellowing resistance, and is matched with a multilayer effect color-changing layer, so that the original protection effect can be maintained, the color-increasing and brightening effects on the automobile body can be obvious on the premise of thinner product thickness, and the individual customization of different customers can be satisfied.
Description
Technical Field
The utility model relates to the application field of new energy automobile surface coating composite films, in particular to a light, thin and durable TPU color-changing car cover.
Background
With the continuous development of economy, the demand of people on color change of automobiles is continuously increased, in order to meet the demand of customers on color change of automobiles, the color change process is also continuously updated and iterated, the current color change process of automobiles is two technical means of paint spraying and traditional film pasting processes, and for the paint surface prepared by the paint spraying process, the characteristics of polishing and waxing, original automobile paint and the like can be realized, but the obvious defects that the original automobile paint is damaged, the original automobile paint cannot be reserved and the effect cannot be changed at any time can be realized by the re-paint spraying process; the automobile film pasting process can change the color and coating of the automobile body at will on the premise of not damaging the original automobile paint. The service of the whole vehicle or local appearance is changed by using films with rich color systems and various colors in a mode of overall covering and pasting, but the film is not resistant to yellowing and has poor durability; the current TPU substrate protective film of the adhesive layer is mostly acrylic adhesive, the adhesive effect is poor, and the surface of the automobile paint is easy to have residues. Therefore, in order to overcome the drawbacks of the prior art, it is necessary to develop a protective film or a film forming method for a vehicle, which has a comprehensive excellent performance, and has a color-changing effect that is more beautiful than the original vehicle paint, and has a texture that is guaranteed, and realizes the characteristics of protecting the appearance of the vehicle and having aesthetic feeling. The utility model provides a hard, light and thin protective vehicle cover.
Disclosure of Invention
The utility model aims to provide a light, thin and durable TPU color-changing car cover which has a reasonable structure, can meet the color-changing and beautifying effects of the traditional conventional film, and can effectively prevent the troubles of frequent paint spraying, paint supplementing and surface changing caused by small scraping and wiping of the paint surface of a car body, such as time waste, money waste and the like.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the light and thin durable TPU color-changing car cover is sequentially provided with a PET anti-sticking layer with the thickness of 0.05-0.3mm, a glue layer with the thickness of 0.01-0.05mm, a TPU base material layer with the thickness of 0.1-0.15mm, a multi-layer effect color-changing layer with the thickness of 0.01-0.08mm, a multifunctional protective layer with the thickness of 0.01-0.05mm and a release protective layer with the thickness of 0.01-0.05mm from inside to outside, wherein the multi-layer effect color-changing layer is made of a polyester-polyether copolymer with the hardness of 60-90A, dimethylformamide, methyl ethyl ketone, solid pigment, functional material powder and a wetting accelerator, and the glue layer is made of polypropylene lipid, isopropanol, ethyl acetate and oligomeric silane European union agent.
Preferably, at least one of the upper surface and the lower surface of the TPU substrate layer is provided with a multi-layer effect color-modifying layer.
Preferably, the multifunctional protective layer is a thermosetting protective layer.
Preferably, the multifunctional protective layer is a UV protective layer.
Preferably, the thickness of the light, thin and durable TPU color-changing car cover is 0.15-0.3 mm.
Preferably, the TPU substrate layer is made of a polyether-polyester copolymer with the hardness of 80-95A or a thermoplastic aliphatic polyurethane elastomer with the hardness of 85-95A, a slipping agent and a transparent master batch.
Further, the functional material powder comprises one or more of pearl powder, fluorescent powder, noctilucent powder, temperature-change powder, light-change powder, reflective powder, extinction powder, flash silver powder, silver paste, color-change powder and laser powder.
Preferably, the protective layer is made of dimethyl octyl acrylic acid, polyurethane acrylic acid copolymer film forming aid, methyl isobutyl ketone, butyl acetate and adhesion promoter.
Compared with the prior art, the gain effect of the utility model is as follows:
the protective layer of the utility model is used for overcoming the defects of the prior art and manufacturing an ultrathin thermosetting or UV coating, thereby being capable of resisting the invasion of foreign matters under almost all daily environments and ensuring that the TPU vehicle cover keeps clean and glossy for a long time.
2 the aliphatic polyurethane elastomer with excellent yellowing resistance is used as the TPU substrate layer, so that the automobile can keep the freshness of a new automobile for a long time due to the ultra-strong yellowing resistance, and the quality guarantee period can reach 10 years.
3 the utility model adopts advanced gum gluing technology, and the glue layer after special treatment can be repeatedly torn without affecting the adhesion degree and causing damage to the vehicle paint before final adhesion.
4 the utility model can provide abundant color-changing effect, after being attached, the utility model not only can provide single-color covering, but also can realize double-color and multi-color splicing, and even can carry out colored drawing to make the color-changing coat with various pattern effects.
The utility model overcomes the defects of the prior color-changing automobile clothes, ensures the lightness and thinness of TPU automobile clothes products, can effectively protect the original paint of the automobile paint, and can also wrap the paint surface of the shell of the automobile body in a vacuum seamless and traceless manner according to the elastic shrinkage of the corresponding appearance of the automobile body.
The TPU substrate layer used by the utility model is polyether-polyester copolymer or aliphatic TPU with excellent yellowing resistance and capable of being recycled, the multilayer effect color-changing layer is made of polyester-polyether copolymer with the hardness of 60-90A, dimethyl formamide, methyl ethyl ketone, solid pigment, functional material powder and wetting accelerant, and is combined with a plurality of functional material powders with different effects, the TPU substrate layer has excellent performance, the original protective effect can be kept on the premise that the product thickness is lighter and thinner, meanwhile, the utility model can provide rich color-changing effect, single-color covering can be provided after the TPU substrate layer is attached, double-color and multi-color splicing can be realized, even color painting can be carried out, the color-changing coat with various pattern effects can be made, the individual customization of different customers can be met, and the unique light and durable TPU color-changing car cover with protection and color-changing on the market can be produced, the application range is wide.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
To further clarify the objects, features and functions of the present invention, a review board will be provided by referring to the following description of the utility model in conjunction with the accompanying drawings:
please refer to fig. 1-2, which are schematic structural diagrams illustrating the present invention, the present invention is a light and thin durable TPU color-changed car cover, the light and thin durable TPU color-changed car cover sequentially comprises a PET anti-sticking layer with a thickness of 0.05-0.3mm, a glue layer with a thickness of 0.01-0.05mm, a TPU substrate layer with a thickness of 0.1-0.15mm, a multi-layer effect color-changed layer with a thickness of 0.01-0.08mm, a multi-functional protective layer with a thickness of 0.01-0.05mm, and a release protective layer with a thickness of 0.01-0.05mm from inside to outside, the multi-layer effect color-changed layer is made of a polyester-polyether copolymer with a hardness of 60-90A, dimethylformamide, methyl ethyl ketone, a solid pigment, a functional material powder, and a wetting enhancer, and the glue layer is made of polypropylene lipid, isopropanol, ethyl acetate and oligomeric silane.
Preferably, at least one of the upper surface and the lower surface of the TPU substrate layer is provided with a multi-layer effect color-modifying layer.
Preferably, the protective layer is a thermosetting protective layer.
Preferably, the protective layer is a UV protective layer.
Preferably, the thickness of the light, thin and durable TPU color-changing car cover is 0.15-0.3 mm.
Preferably, the TPU substrate layer is made of a polyether-polyester copolymer with the hardness of 80-95A or a thermoplastic aliphatic polyurethane elastomer with the hardness of 85-95A, a slipping agent and a transparent master batch.
Further, the functional material powder comprises one or more of pearl powder, fluorescent powder, noctilucent powder, temperature-change powder, light-change powder, reflective powder, extinction powder, flash silver powder, silver paste, color-change powder and laser powder.
Preferably, the protective layer is made of dimethyl octyl acrylic acid, polyurethane acrylic acid copolymer film forming aid, methyl isobutyl ketone, butyl acetate and adhesion promoter.
A manufacturing method of a light, thin and durable TPU color-changing car cover comprises the following steps:
s1: the TPU color-changing car cover is sequentially provided with an anti-sticking layer, a glue layer, a TPU substrate layer, a multi-layer effect color-changing layer, a protective layer and a release protective layer from inside to outside;
s2: obtaining a polyether-polyester copolymer with the hardness of 80-95A or a thermoplastic aliphatic polyurethane elastomer with the hardness of 85-95A, a slipping agent and transparent master batches to prepare a TPU substrate layer;
s3: obtaining 60-90A polyester-polyether copolymer, dimethyl formamide, methyl ethyl ketone, solid pigment, functional material powder and a wetting accelerator to prepare a multilayer effect color-improving layer;
s4: obtaining polyacrylate, isopropanol, ethyl acetate and oligomeric silane European union agent, and preparing a glue layer;
s5: obtaining dimethyl octyl acrylic acid, polyurethane acrylic acid copolymer film forming auxiliary agent, methyl isobutyl ketone, butyl acetate and adhesion promoter to prepare a protective layer;
as the technical scheme, the light and thin TPU car cover has the whole thickness of 0.15-0.3mm, and can protect car paint from most physical and chemical damages.
Further, in the technical scheme, a TPU substrate layer, a multi-layer effect color-changing layer, a glue layer, an anti-sticking layer, a protective layer and a release protective layer are sequentially prepared in S1, so that the light, thin and durable TPU car cover is formed.
Further, in the technical scheme, in the step S1, the release protective layer and the anti-sticking layer are PET films, namely a top film and a bottom film of the TPU car cover.
As the technical scheme, the thickness of the PET film of the anti-sticking layer is 0.1mm, and the required thickness of the release protective layer is 0.05 mm.
Further, according to the technical scheme, the thickness of the light and thin TPU substrate layer structure in S2 is 0.1-0.15mm, and the TPU substrate layer structure has super-strong anti-yellowing, anti-scratch and self-repairing characteristics, so that scratches can be automatically repaired even after the scratches are scratched, and a lasting anti-oxidation effect is ensured.
As the technical scheme, the upper surface of the TPU substrate layer is further provided with the ultrathin multilayer effect color-changing layer, the structural thickness is controlled to be 0.01-0.08mm, the color-changing effect is in sharp contrast with the traditional chemical changes of the paint surfaces such as glaze sealing, film coating, paint spraying and the like, various color-increasing effects can be provided, special treatment is not needed, the original paint is not damaged, and the durability is better guaranteed.
As the technical scheme, the lower surface of the TPU substrate layer is provided with the glue layer, the structural thickness of the TPU substrate layer is 0.02-0.04mm, the TPU substrate layer is prepared from polypropylene, isopropanol, ethyl acetate and oligomeric silane European coupling agent, the TPU substrate layer has excellent adhesion, and can ensure that glue does not break and swell and foam when being adhered, and the TPU substrate layer is not adhered to vehicle paint when being removed.
As the technical scheme, the upper surface of the multi-layer effect color-changing layer is a light and thin thermosetting or UV protective layer, the structural thickness of the multi-layer effect color-changing layer is 0.01-0.05mm, and the structural layer can not only withstand chemical infringement of acid rain, ultraviolet rays and the like for a long time, but also resist the scratch of hard objects, reduce the scratch and simultaneously improve the physical properties of impact resistance and the like.
Example 1:
the utility model provides a frivolous durable TPU changes look car clothing, frivolous durable TPU changes look car clothing sets gradually from inside to outside, and thickness is at the antiseized layer of 0.1 mm's PET film, the glue layer that thickness is 0.02mm, the TPU substrate layer that thickness is 0.12mm, the multilayer effect that thickness is 0.025mm changes the chromatograph, thickness is 0.01 mm's thermosetting UV inoxidizing coating, thickness is 0.05 mm's release inoxidizing coating.
The embodiment 1 of the utility model is a preferable proposal, compared with the TPU vehicle cover on the market, the TPU vehicle cover adopts a lighter and thinner structural layer group combination design, adds a layer of multi-layer effect color-changing layer, the TPU color-modifying layer is positioned above the TPU substrate layer, generally can be made into one or two color-modifying layers, the thickness of one layer is controlled to be 0.01-0.05mm, and the multilayer effect color-modifying layer is prepared by polyester-polyether copolymer with the hardness of 60-90A, dimethyl formamide, methyl ethyl ketone, solid pigment, functional material powder and wetting accelerant in addition to the effects of single color modification, pearlescence, fluorescence, noctilucence, temperature change, light change, reflection, extinction, silver flashing, silver paste, color change, laser, individual printing and the like, the adhesive has low viscosity, good flexibility, high glossiness and strong weather resistance, can withstand the exposure of sunlight by using the adhesive, and can play a better protection role.
Example 2:
the utility model provides a frivolous durable TPU changes look car clothing, frivolous durable TPU changes look car clothing sets gradually thickness from inside to outside and at the antiseized layer of 0.1 mm's PET film, thickness is the glue layer of 0.03mm, thickness is the multilayer effect of 0.03mm and changes the chromatograph, thickness is the TPU substrate layer of 0.11mm, thickness is the multilayer effect of 0.025mm and changes the chromatograph, thickness is the UV inoxidizing coating of 0.02mm, thickness is 0.05mm from type inoxidizing coating.
The technical scheme of embodiment 2, the multilayer effect changes the chromatograph and can be located TPU substrate layer below, and the TPU substrate layer is transparent vaporific, and the multilayer effect changes the multilayer when the chromatograph is located the below and changes the luminance reduction that the colour effect can compare the top, but its multilayer changes the colour effect save time longer.
According to the demand, the multilayer effect changes the chromatograph and can be located TPU substrate layer top and below both sides, and the look effect that changes that can provide changes the look by the effect and changes look + TPU substrate + effect and change look complex formation, and this process both sides need two kinds of rendition thing (PET PP) coating respectively in TPU substrate layer both sides, and the advantage can be formed with the line effect two kinds or more.
The utility model adds a multilayer effect color-changing layer on the prior art, the prior art comprises a TPU substrate layer and a bonding layer, but the products in the market are mixed, particularly the TPU substrate layer is limited by cost and technical reasons, most of the products are produced by aromatic TPU, the weather resistance of the products cannot be guaranteed, the yellowing resistance is poor, the service life is short, and the like.
The TPU substrate layer used by the utility model is polyether-polyester copolymer or aliphatic TPU which has excellent yellowing resistance and can be recycled, the multilayer effect color modifying layer is prepared by using polyester-polyether copolymer with the hardness of 60-90A, dimethyl formamide, methyl ethyl ketone, solid pigment, functional material powder and wetting accelerator, and then combining a plurality of functional material powders with different effects, it has excellent performance, can keep the original protective function on the premise that the thickness of the product is thinner and thinner, meanwhile, the utility model can provide rich color-changing effect, not only can provide single-color coverage after being attached, and can accomplish double-colored, polychrome concatenation, can carry out the colored drawing even, make the hyperchromic coat of multiple pattern effect, satisfy different customers' individual customization, produce the light and thin durable TPU that the protection hyperchromic on the market changes the colored car clothing.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The light, thin and durable TPU color-changing car cover is characterized in that a PET anti-sticking layer with the thickness of 0.05-0.3mm, a glue layer with the thickness of 0.01-0.05mm, a TPU base material layer with the thickness of 0.1-0.15mm, a multi-layer effect color-changing layer with the thickness of 0.01-0.08mm, a multifunctional protective layer with the thickness of 0.01-0.05mm and a release protective layer with the thickness of 0.01-0.05mm are sequentially arranged from inside to outside.
2. The lightweight thin durable TPU color changing car cover according to claim 1, wherein a multi-layer effect color changing layer is provided on at least one of the upper and lower surfaces of the TPU substrate layer.
3. The lightweight thin durable TPU color change car cover of claim 1 wherein the multifunctional protective layer is a thermoset protective layer.
4. The lightweight thin durable TPU color change car cover of claim 1, wherein the multifunctional protective layer is a UV protective layer.
5. The lightweight thin durable TPU color change car cover according to claim 1, wherein the thickness of the lightweight thin durable TPU color change car cover is 0.15-0.3 mm.
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CN202120218823.7U CN216659193U (en) | 2021-01-26 | 2021-01-26 | Light and thin durable TPU color-changing car cover |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115820147A (en) * | 2022-07-18 | 2023-03-21 | 常州山由帝杉防护材料制造有限公司 | Paint surface protective film with color changing effect, preparation method and application thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115820147A (en) * | 2022-07-18 | 2023-03-21 | 常州山由帝杉防护材料制造有限公司 | Paint surface protective film with color changing effect, preparation method and application thereof |
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