CN213565728U - Waterproof environment-friendly EPP (expanded polypropylene) forming foaming dual-density plate - Google Patents
Waterproof environment-friendly EPP (expanded polypropylene) forming foaming dual-density plate Download PDFInfo
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- CN213565728U CN213565728U CN202022157142.2U CN202022157142U CN213565728U CN 213565728 U CN213565728 U CN 213565728U CN 202022157142 U CN202022157142 U CN 202022157142U CN 213565728 U CN213565728 U CN 213565728U
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Abstract
The utility model discloses a waterproof environment-friendly EPP forming foaming double-density plate, which belongs to the technical field of automobile decoration and comprises a first double-density EPP foaming layer and a second double-density EPP foaming layer, wherein the first double-density EPP foaming layer and the second double-density EPP foaming layer internally comprise fiber frameworks, and a reinforcing layer is glued between the first double-density EPP foaming layer and the second double-density EPP foaming layer; the upper surface of the first double-density EPP foaming layer is bonded with a first waterproof fabric layer through a first glue layer, the upper surface of the first waterproof fabric layer is sprayed with a primer for filling and leveling pores on the first waterproof fabric layer, and a protective film is coated above the primer; and a second waterproof fabric layer is bonded on the lower surface of the second double-density EPP foaming layer through a second glue layer. The utility model has the advantages of waterproof performance is good, the material environmental protection, intensity is high and impact resistance is excellent.
Description
Technical Field
The utility model belongs to the technical field of automobile decoration, concretely relates to waterproof environment-friendly EPP shaping foaming dual density panel.
Background
With the gradual maturity of automobile technology in China, the performances of core components such as engines of automobiles and the like are improved, and the competitiveness of the automobiles is gradually changed into interior trim. Among them, the automotive roof, which is an important part of the interior of the entire vehicle, requires not only good interior decoration but also environmental protection, no toxicity and no odor. In the prior art, the automobile ceiling made of polyurethane material is easy to emit toxic gases such as formaldehyde and the like, and has great harm to human bodies.
In practical terms, the exterior of the automobile ceiling is also required to be further improved in terms of waterproof performance. In the performance direction, the automobile roof should have light weight to reduce self weight and oil consumption, and in addition, the automobile roof should have good impact resistance to resist external impact as a protective shell above the top of a human head.
SUMMERY OF THE UTILITY MODEL
To above there exist panel environmental protection not and waterproof nature poor, the low technical problem of intensity for the car, the utility model provides a waterproof environmental protection type EPP shaping foaming dual density panel.
The technical scheme of the utility model is that: a waterproof environment-friendly EPP forming foaming double-density plate comprises a first double-density EPP foaming layer and a second double-density EPP foaming layer, wherein the first double-density EPP foaming layer and the second double-density EPP foaming layer contain fiber frameworks inside, and a reinforcing layer is glued between the first double-density EPP foaming layer and the second double-density EPP foaming layer;
the upper surface of the first double-density EPP foaming layer is bonded with a first waterproof fabric layer through a first glue layer, the upper surface of the first waterproof fabric layer is sprayed with a primer for filling and leveling pores on the first waterproof fabric layer, and a protective film is coated above the primer;
and a second waterproof fabric layer is bonded on the lower surface of the second double-density EPP foaming layer through a second glue layer.
Further, the fiber framework is a three-dimensional carbon fiber framework manufactured by adopting a 3D printing technology. The three-dimensional carbon fiber framework is adopted, so that the strength of the plate can be improved, the weight is light, and the dead weight is not increased.
Furthermore, the reinforcing layer is of a net structure formed by interweaving a plurality of metal wires in a warp-weft mode. The metal wire has high tensile strength and can improve the impact resistance of the plate.
Furthermore, the metal wire is any one of a steel wire, an aluminum lithium alloy wire and a titanium alloy wire.
Further, the thickness of the first dual-density EPP foamed layer and the second dual-density EPP foamed layer was 1: 1.
Furthermore, the first glue layer and the second glue layer both adopt epoxy glue. Has excellent high temperature resistance and aging resistance.
Furthermore, the first waterproof fabric layer and the second waterproof fabric layer are both made of OXD-T high polymer waterproof rolls. The OXD-T high-molecular waterproof coiled material takes ethylene vinyl acetate or thermoplastic elastomer as a main material, the upper surface and the lower surface of the main material are coated by non-woven fabrics with special technology, and the high-molecular waterproof coiled material produced by a one-step extrusion technology has excellent waterproofness and ultra-long weather resistance.
Further, the protective film adopts a nano liquid film. The nano liquid film for protecting the mobile phone screen has good waterproof, oil-proof and antifouling effects.
Further, the primer adopts any one of epoxy primer and phenolic aldehyde primer. And filling up pores on the surface of the first waterproof fabric layer by using primer, reinforcing the pores, and polishing and smoothly coating the protective film after drying.
Further, the reinforcing layer is connected between the first dual-density EPP foaming layer and the second dual-density EPP foaming layer through JL-330 rubber glue.
The preparation method of the utility model is as follows:
firstly, printing a three-dimensional carbon fiber framework by using a 3D printer, putting the three-dimensional carbon fiber framework into an injection mold, and pouring a dual-density EPP foaming molten material into the injection mold for injection molding to obtain a first dual-density EPP foaming layer and a second dual-density EPP foaming layer;
secondly, coating JL-330 rubber glue on the bottom surface of the first dual-density EPP foaming layer and the upper surface of the second dual-density EPP foaming layer, laying a metal wire mesh of a reinforcing layer between the first dual-density EPP foaming layer and the second dual-density EPP foaming layer, and performing counterweight static pressure to firmly bond the first dual-density EPP foaming layer and the second dual-density EPP foaming layer;
thirdly, coating a second glue layer on the lower surface of the second dual-density EPP foaming layer for bonding a second waterproof fabric layer;
fourthly, coating a first glue layer on the upper surface of the first double-density EPP foaming layer for bonding a first waterproof fabric layer;
and fifthly, brushing primer on the surface of the first waterproof fabric layer to fill pores on the surface of the first waterproof fabric layer, polishing the surface to be smooth after the primer is dried, and smearing a nano liquid film to form a protective film.
The utility model has the advantages that: the utility model discloses a dual density EPP expanded material not only has the good advantage of the light elasticity of quality as the panel base plate, and it is still nontoxic tasteless environmental protection safety more. And three-dimensional carbon fibers are also adopted as a framework in the dual-density EPP foam material, so that the strength of the plate can be improved, and the weight is light without increasing the dead weight. The utility model discloses the intermediate layer has wire mesh as the back up coat between the two-layer dual density EPP expanded material, can improve the impact resistance of panel. The utility model discloses still adopt OXD-T polymer waterproofing membrane as waterproof precoat for panel has good waterproof nature and overlength weatherability. The utility model discloses the surface of panel has the nanometer liquid film still to coat, makes it have good waterproof grease proofing antifouling effect. In a word, the utility model has the advantages of waterproof performance is good, the material environmental protection, intensity is high and impact resistance is excellent.
Drawings
Fig. 1 is a schematic view of the structure splitting of the present invention.
Wherein, the coating comprises 1-a protective film, 2-a primer, 3-a first waterproof fabric layer, 4-a first glue layer, 5-a first double-density EPP foaming layer, 6-a reinforcing layer, 7-a second double-density EPP foaming layer, 8-a second glue layer, 9-a second waterproof fabric layer and 10-a fiber framework.
Detailed Description
As shown in fig. 1, the waterproof environment-friendly EPP molded foamed dual-density sheet comprises a first dual-density EPP foamed layer 5 and a second dual-density EPP foamed layer 7, which contain a fiber framework 10 inside, wherein the thicknesses of the first dual-density EPP foamed layer 5 and the second dual-density EPP foamed layer 7 are 1:1, and the fiber framework 10 is a three-dimensional carbon fiber framework manufactured by a 3D printing technology. The three-dimensional carbon fiber framework is adopted, so that the strength of the plate can be improved, the weight is light, and the dead weight is not increased. A reinforcing layer 6 is glued between the first dual-density EPP foaming layer 5 and the second dual-density EPP foaming layer 7; the reinforcing layer 6 is a net structure formed by interweaving a plurality of metal wires in a warp-weft mode. The metal wire has high tensile strength and can improve the impact resistance of the plate. The metal wire of this embodiment is a steel wire, and can also be replaced by an aluminum-lithium alloy wire or a titanium alloy wire. The reinforcing layer 6 is bonded between the first dual-density EPP foam layer 5 and the second dual-density EPP foam layer 7 by JL-330 rubber cement.
As shown in fig. 1, a first waterproof fabric layer 3 is adhered to the upper surface of a first dual-density EPP foam layer 5 through a first glue layer 4, a primer 2 is sprayed on the upper surface of the first waterproof fabric layer 3 for filling up pores on the first waterproof fabric layer 3, and a protective film 1 is coated on the primer 2; the first waterproof fabric layer 3 and the second waterproof fabric layer 9 both adopt OXD-T high polymer waterproof coiled materials. The OXD-T high-molecular waterproof coiled material takes ethylene vinyl acetate EVA or thermoplastic elastomer TPO as a main material, the upper surface and the lower surface of the main material are laminated by adopting non-woven fabrics with special process, and the high-molecular waterproof coiled material produced by one-step extrusion process has excellent waterproofness and ultra-long weather resistance. The primer 2 is replaced by an epoxy primer 2 or a phenolic primer 2. And filling and reinforcing pores on the surface of the first waterproof fabric layer 3 by using the primer 2, and polishing and smoothly coating the protective film 1 after drying. The protective film 1 is a nano liquid film. The nano liquid film for protecting the mobile phone screen has good waterproof, oil-proof and antifouling effects.
As shown in fig. 1, a second waterproof fabric layer 9 is bonded to the lower surface of the second dual-density EPP foam layer 7 through a second glue layer 8. The first glue layer 4 and the second glue layer 8 both adopt epoxy glue. Has excellent high temperature resistance and aging resistance.
The preparation method of the utility model is as follows:
firstly, printing a three-dimensional carbon fiber framework by using a 3D printer, putting the three-dimensional carbon fiber framework into an injection mold, and pouring a dual-density EPP foaming molten material into the injection mold for injection molding to obtain a first dual-density EPP foaming layer 5 and a second dual-density EPP foaming layer 7;
secondly, coating JL-330 rubber glue on the bottom surface of the first dual-density EPP foaming layer 5 and the upper surface of the second dual-density EPP foaming layer 7, laying a metal wire mesh of the reinforcing layer 6 between the first dual-density EPP foaming layer and the second dual-density EPP foaming layer, and performing counterweight static pressure to firmly bond the first dual-density EPP foaming layer and the second dual-density EPP foaming layer;
thirdly, coating a second glue layer 8 on the lower surface of the second double-density EPP foaming layer 7 for bonding a second waterproof fabric layer 9;
fourthly, coating a first glue layer 4 on the upper surface of the first double-density EPP foaming layer 5 for bonding the first waterproof fabric layer 3;
fifthly, brushing primer 2 on the surface of the first waterproof fabric layer 3 to fill pores on the surface, polishing the surface to be smooth after the primer 2 is dried, and smearing nano liquid film to form the protective film 1.
Claims (10)
1. A waterproof environment-friendly EPP forming foaming double-density plate is characterized by comprising a first double-density EPP foaming layer (5) and a second double-density EPP foaming layer (7) which contain a fiber framework (10) inside, wherein a reinforcing layer (6) is glued between the first double-density EPP foaming layer (5) and the second double-density EPP foaming layer (7);
the upper surface of the first double-density EPP foaming layer (5) is bonded with a first waterproof fabric layer (3) through a first glue layer (4), the upper surface of the first waterproof fabric layer (3) is sprayed with a primer (2), and a protective film (1) is coated above the primer (2);
the lower surface of the second double-density EPP foaming layer (7) is bonded with a second waterproof fabric layer (9) through a second glue layer (8).
2. A waterproof environment-friendly EPP molded foamed dual density sheet according to claim 1, wherein said fiber skeleton (10) is a three-dimensional carbon fiber skeleton made by 3D printing technology.
3. A waterproof environment-friendly EPP molded foamed dual density sheet as claimed in claim 1, wherein said reinforcing layer (6) is a net structure made of a plurality of metal wires interwoven warp and weft.
4. The waterproof environment-friendly EPP molded foamed dual density sheet according to claim 3, wherein the metal wire is any one of steel wire, aluminum lithium alloy wire and titanium alloy wire.
5. A waterproof environment-friendly EPP molded foamed dual density sheet as claimed in claim 1, wherein the thickness of said first dual density EPP foamed layer (5) and said second dual density EPP foamed layer (7) is 1: 1.
6. A waterproof environment-friendly EPP molded foamed dual density sheet according to claim 1, wherein said first glue layer (4) and said second glue layer (8) are both made of epoxy glue.
7. A waterproof environment-friendly EPP molded foamed dual density sheet as claimed in claim 1, wherein said first waterproof fabric layer (3) and said second waterproof fabric layer (9) are each made of OXD-T polymer waterproof roll.
8. A waterproof environment-friendly EPP molded foamed dual density sheet according to claim 1, wherein said protective film (1) is a nano liquid film.
9. The waterproof environment-friendly EPP molded foamed dual density sheet according to claim 1, wherein the primer (2) is either epoxy primer (2) or phenolic primer (2).
10. A waterproof environment-friendly EPP molded foamed dual density sheet material as claimed in claim 1, wherein said reinforcing layer (6) is bonded between said first dual density EPP foamed layer (5) and said second dual density EPP foamed layer (7) by JL-330 rubber cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022157142.2U CN213565728U (en) | 2020-09-27 | 2020-09-27 | Waterproof environment-friendly EPP (expanded polypropylene) forming foaming dual-density plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022157142.2U CN213565728U (en) | 2020-09-27 | 2020-09-27 | Waterproof environment-friendly EPP (expanded polypropylene) forming foaming dual-density plate |
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| Publication Number | Publication Date |
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| CN213565728U true CN213565728U (en) | 2021-06-29 |
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| CN202022157142.2U Active CN213565728U (en) | 2020-09-27 | 2020-09-27 | Waterproof environment-friendly EPP (expanded polypropylene) forming foaming dual-density plate |
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| CN (1) | CN213565728U (en) |
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