CN113370599A - Automotive interior covering with environmental protection and antibacterial effects - Google Patents

Automotive interior covering with environmental protection and antibacterial effects Download PDF

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Publication number
CN113370599A
CN113370599A CN202110693115.3A CN202110693115A CN113370599A CN 113370599 A CN113370599 A CN 113370599A CN 202110693115 A CN202110693115 A CN 202110693115A CN 113370599 A CN113370599 A CN 113370599A
Authority
CN
China
Prior art keywords
layer
hot melt
melt adhesive
fabric
woven fabric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110693115.3A
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Chinese (zh)
Inventor
胡冬梅
张雪
王冲
栾昕彤
耿福玲
张超
矫振铎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Fusheng Auto Parts Co ltd
Original Assignee
Changchun Fusheng Auto Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Fusheng Auto Parts Co ltd filed Critical Changchun Fusheng Auto Parts Co ltd
Priority to CN202110693115.3A priority Critical patent/CN113370599A/en
Publication of CN113370599A publication Critical patent/CN113370599A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R2013/0287—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners integrating other functions or accessories

Abstract

The invention discloses an automobile interior trim covering piece with an environment-friendly antibacterial effect, which comprises a framework and a fabric, wherein a hot melt adhesive bonding layer is arranged between the framework and the fabric, the hot melt adhesive bonding layer bonds the framework and the fabric, the material of the framework layer sequentially comprises a surface layer non-woven fabric, a surface layer glass fiber felt, a PUR plate, a back layer glass fiber felt and a back layer non-woven fabric from a surface layer to a back layer, and PU forming glue bonding the PUR plate, the surface layer glass fiber felt, the surface layer non-woven fabric and the back layer non-woven fabric together, and the surface layer non-woven fabric is a surface layer anti-seepage glue non-woven fabric. According to the invention, the hot melt adhesive film is used as an adhesive material instead of solvent adhesive and water adhesive, so that a large amount of small molecular substances are avoided being introduced, VOC and odor indexes of the ceiling are obviously improved, and compared with the solvent adhesive and the water adhesive, the hot melt adhesive film does not contain a solvent, is a high molecular material and does not contain small molecular substances.

Description

Automotive interior covering with environmental protection and antibacterial effects
Technical Field
The application relates to the technical field of automotive interior, in particular to an automotive interior covering part with environment-friendly and antibacterial effects.
Background
Automotive Interior (Automotive Interior) mainly refers to the automobile product that the inside repacking of car used, involves the square face of car inside, for example car steering wheel cover, car cushion, car callus on the sole, car perfume, car pendant, inside goods of furniture for display rather than for use, containing box etc. all are Automotive Interior product, the ceiling is the Interior trim part of installing additional below the automobile body top cap sheet metal component, its effect is except improving the Interior decorative feature of car, still plays sound insulation, inhales the sound, thermal-insulated effect.
The automotive interior ceiling is divided into a dry method and a wet method, solvent adhesive (solvent type PU adhesive) is mostly adopted in the early stage of adhesive used for bonding the fabric by the two-step wet method, and the ceiling is difficult to avoid solvent residue, so that the odor and VOC index are poor, and the ceiling is in a phase of being gradually eliminated at present. The main alternative technology to solvent glues is aqueous glues. The water-based adhesive also belongs to PU adhesive, when in use, the emulsion and the curing agent are well mixed, sprayed on the framework, dried to remove water, and then bonded with the fabric in the hot die. The emulsion of the aqueous gel is synthesized in acetone, and then the acetone is completely removed to prepare the aqueous emulsion, so that the acetone residue is inevitably contained, the odor and the VOC are influenced, and therefore, the problem is correspondingly improved.
Disclosure of Invention
The present invention is directed to an interior trim cover with environmental protection and antibacterial effects to solve the above problems.
The embodiment of the application adopts the following technical scheme:
the utility model provides an automotive interior covering with antibiotic effect of environmental protection, includes skeleton and surface fabric, be provided with the hot melt adhesive adhesion coating between skeleton and the surface fabric, the hot melt adhesive adhesion coating bonds skeleton and surface fabric, and wherein the material of skeleton layer contains surface course non-woven fabrics, the fine felt of surface course glass, PUR board, the fine felt of backing layer glass and backing layer non-woven fabrics from the surface course to the backing layer in proper order to and bond PUR board, the fine felt of surface course glass and surface course non-woven fabrics and backing layer non-woven fabrics PU shaping glue together, the surface course non-woven fabrics is surface course prevention of seepage glue non-woven fabrics.
Preferably, the fabric comprises tufting cloth and soft bubbles, the soft bubbles are compounded on the tufting cloth through flame, and the hot melt adhesive layer and the soft bubbles are compounded together through flame.
Preferably, the surface layer anti-seepage non-woven fabric comprises a spunlace non-woven fabric layer, a first hot melt adhesive layer bonded with the spunlace non-woven fabric layer, an anti-glue layer and a second hot melt adhesive layer bonded with the surface layer glass fiber felt and the PU forming glue.
Preferably, the surfaces of the second hot melt adhesive layer and the first hot melt adhesive layer are both subjected to corona treatment.
Preferably, the second hot melt adhesive layer and the first hot melt adhesive layer are both made of polyethylene, and the anti-adhesive layer is made of polypropylene.
Preferably, the back layer nonwoven fabric is a punched and punched nonwoven fabric, and the punched and punched nonwoven fabric has a pitch of holes of 2-4 mm and a pore size of 35-215 μm.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, the hot melt adhesive film is used as an adhesive material to replace solvent adhesive and water adhesive, so that a large amount of small molecular substances are prevented from being introduced, VOC and odor indexes of the ceiling are obviously improved, and compared with the solvent adhesive and the water adhesive, the hot melt adhesive film does not contain a solvent, is a high molecular material and does not contain small molecular substances.
Secondly, in the forming process, because use the surface course antiseepage glue non-woven fabrics, wherein the antiseepage glue layer can not melt in the forming process, and the shaping glue can not permeate out, consequently can avoid using the release agent, and back layer non-woven fabrics has drenches the membrane, and the seepage of reducible glue is punched on drenching the membrane, can help exhausting in the forming process, has avoided bubbling and delaminating that gas overstock leads to.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of an anti-seepage adhesive non-woven fabric of an automotive interior covering part with an environment-friendly antibacterial effect, provided by the invention;
FIG. 2 is a schematic structural view of a ceiling of an interior covering for an automobile according to the present invention, which has an antibacterial effect against environmental pollution;
in the figure: 1. a back layer nonwoven fabric; 2. a back layer of glass fiber felt; 3. a PUR board; 4. surface layer glass fiber felt; 5. surface layer impervious glue non-woven fabric; 6. a hot melt adhesive layer; 7. soft soaking; 8. tufting cloth; 9. a second hot melt adhesive layer; 10. a glue prevention layer; 11. a first hot melt adhesive layer; 12. a spunlace nonwoven layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution of an interior trim cover with environmental protection and antibacterial effects: the PU board waterproof adhesive comprises a framework and a fabric, wherein a hot melt adhesive layer 6 is arranged between the framework and the fabric, the framework and the fabric are bonded by the hot melt adhesive layer 6, the material of the framework layer sequentially comprises a surface layer non-woven fabric, a surface layer glass fiber felt 4, a PUR board 3, a back layer glass fiber felt 2, a back layer non-woven fabric 1 and PU forming adhesive for bonding the PUR board 3 and the surface layer glass fiber felt 4 with the surface layer non-woven fabric and the back layer non-woven fabric 1 together from a surface layer to a back layer, the surface layer non-woven fabric is a surface layer waterproof adhesive non-woven fabric 5, when the framework is produced by mould pressing, the PU forming adhesive is uniformly spread on the PU board by adopting a PU board roll adhesive mode, the PU forming adhesive is uniformly sprinkled on the PU board, the material is sequentially spread from top to bottom according to the sequence of the surface layer waterproof adhesive non-woven fabric 5, the surface layer glass fiber felt 4, the PUR board 3, the glass fiber felt 2 and the back layer non-woven fabric 1, the corona PE surface of the surface layer waterproof adhesive-proof non-woven fabric 5 faces the surface layer glass fiber felt 4, one surface of the back layer non-woven fabric 1 which is coated faces the back layer glass fiber felt 2, and finally the back layer non-woven fabric is pressed and molded in a molding die.
Further, the fabric comprises a tufted fabric 8 and a soft foam 7, the soft foam 7 is compounded on the tufted fabric 8 through flame, a hot melt adhesive layer 6 and the soft foam 7 are compounded together through flame, in the mould pressing process, a ceiling framework and the fabric are compounded together through an adhesive film in a mould, the fabric comprises the tufted fabric 8 on the surface layer and the soft foam 7 below, the tufted fabric and the soft foam 7 are compounded together through flame, the hot melt adhesive layer 6 and the soft foam 7 can also be compounded and adhered together through flame, the soft foam 7 is compounded with the tufted fabric 8 and the hot melt adhesive layer 6 through flame, the compounding can be carried out on two sides of the soft foam 7 at the same time, the hot melt adhesive layer 6 is melted by the temperature of the mould, and the soft foam 7 of the fabric is adhered to a spunlace non-woven fabric layer 12 of a surface layer anti-seepage non-woven fabric 5 on the framework.
Further, the surface layer glue-leakage-proof non-woven fabric 5 comprises a spunlace non-woven fabric layer 12, a first hot melt adhesive layer 11 bonded with the spunlace non-woven fabric layer 12, a glue-leakage-proof layer 10 and a second hot melt adhesive layer 9 bonded with the surface layer glass fiber felt 4 and PU forming glue.
Further, the surfaces of the second hot melt adhesive layer 9 and the first hot melt adhesive layer 11 are both subjected to corona treatment.
Further, the second hot melt adhesive layer 9 and the first hot melt adhesive layer 11 are both made of polyethylene, and the adhesive prevention layer 10 is made of polypropylene.
Further, the back layer non-woven fabric 1 is a punched non-woven fabric, the punched non-woven fabric has the hole pitch of small holes of 2-4 mm and the hole diameter of 35-215 microns, the back layer non-woven fabric 1 is a punched non-woven fabric, a PE film is firstly sprayed on the punched non-woven fabric, then corona is carried out, then equal-interval punching is carried out from one side of the PE film, the hole diameter is 3 mm, and the hole pitch is 120 microns.
The working principle is as follows: in the forming process, because use surface course prevention of seepage glue non-woven fabrics 5, wherein prevent that glue film 10 can not melt in the forming process, the shaping glue can not permeate out, consequently can avoid using the release agent, back layer non-woven fabrics 1 has drenches the membrane, and the seepage of reducible glue punches on drenching the membrane, can help exhausting in the forming process, has avoided bubbling and delaminating that gas overstock leads to.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (6)

1. The utility model provides an automotive interior covering with antibiotic effect of environmental protection, includes skeleton and surface fabric, its characterized in that: be provided with hot melt adhesive adhesion coating (6) between skeleton and the surface fabric, hot melt adhesive adhesion coating (6) bond skeleton and surface fabric, and wherein the material of skeleton layer contains surface course non-woven fabrics, surface course glass fiber mat (4), PUR board (3), back course glass fiber mat (2) and back course non-woven fabrics (1) in proper order from the surface course to the back course to and bond PU shaping glue together PUR board (3), surface course glass fiber mat (4) and surface course non-woven fabrics and back course non-woven fabrics (1), the surface course non-woven fabrics is surface course antiseepage glue non-woven fabrics (5).
2. The interior trim cover for vehicle with environmental protection and antibacterial effect according to claim 1, wherein: the fabric comprises tufted cloth (8) and soft bubbles (7), wherein the soft bubbles (7) are compounded on the tufted cloth (8) through flame, and the hot melt adhesive layer (6) and the soft bubbles (7) are compounded together through flame.
3. The interior trim cover for vehicle with environmental protection and antibacterial effect according to claim 1, wherein: the surface layer glue seepage prevention non-woven fabric (5) comprises a spunlace non-woven fabric layer (12), a first hot melt adhesive layer (11) bonded with the spunlace non-woven fabric layer (12), a glue prevention layer (10) and a second hot melt adhesive layer (9) bonded with a surface layer glass fiber felt (4) and PU forming glue.
4. The interior trim cover for vehicle with environmental protection and antibacterial effect according to claim 3, wherein: the surfaces of the second hot melt adhesive layer (9) and the first hot melt adhesive layer (11) are subjected to corona treatment.
5. The interior trim cover for vehicle with environmental protection and antibacterial effect according to claim 4, wherein: the second hot melt adhesive layer (9) and the first hot melt adhesive layer (11) are both made of polyethylene, and the glue prevention layer (10) is made of polypropylene.
6. The interior trim cover for vehicle with environmental protection and antibacterial effect according to claim 1, wherein: the back layer non-woven fabric (1) is a punched non-woven fabric, the pitch of small holes is 2-4 mm, and the aperture is 35-215 microns.
CN202110693115.3A 2021-06-22 2021-06-22 Automotive interior covering with environmental protection and antibacterial effects Pending CN113370599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110693115.3A CN113370599A (en) 2021-06-22 2021-06-22 Automotive interior covering with environmental protection and antibacterial effects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110693115.3A CN113370599A (en) 2021-06-22 2021-06-22 Automotive interior covering with environmental protection and antibacterial effects

Publications (1)

Publication Number Publication Date
CN113370599A true CN113370599A (en) 2021-09-10

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Application Number Title Priority Date Filing Date
CN202110693115.3A Pending CN113370599A (en) 2021-06-22 2021-06-22 Automotive interior covering with environmental protection and antibacterial effects

Country Status (1)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210415729U (en) * 2019-07-30 2020-04-28 烟台正海合泰科技股份有限公司 Automotive interior ceiling

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210415729U (en) * 2019-07-30 2020-04-28 烟台正海合泰科技股份有限公司 Automotive interior ceiling

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Application publication date: 20210910

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