CN215041087U

CN215041087U - Low-odor low-VOC environment-friendly damping plate

Info

Publication number: CN215041087U
Application number: CN202120048967.2U
Authority: CN
Inventors: 李大坤; 陈丽娟
Original assignee: Guangzhou Lianhong Synthetic Material Co ltd
Current assignee: Guangzhou Lianhong Synthetic Material Co ltd
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2021-12-07
Anticipated expiration: 2031-01-09

Abstract

The utility model discloses a low-odor low-VOC environment-friendly damping plate, which comprises an anti-sticking layer, an acoustic cotton layer, a high-temperature adhesive layer, an adsorption layer, an isolation layer and a hot-melt damping layer which are sequentially and closely attached from top to bottom; the anti-sticking layer is made of butyl acrylate materials, the adsorption layer is made of superfine glass fiber paper, the isolation layer is made of water-based epoxy resin paint, and the hot-melt damping layer is a hot-melt asphalt damping plate. The low VOC of low smell is realized in the setting of adsorbed layer and isolation layer, and environment-friendly damping panel is difficult to the adhesion each other when antiseized layer's setting makes the storage.

Description

Low-odor low-VOC environment-friendly damping plate

Technical Field

The utility model relates to an environment-friendly damping plate technical field of car, concretely relates to low VOC's of low smell environment-friendly damping plate.

Background

In automobiles, in order to enhance the bearing capacity and achieve vibration and sound absorption, a damping plate is generally provided on the interior structural member of the automobile. The hot-melt damping plate can be made into various shapes and thicknesses according to the needs of users, and is directly laid on the automobile bottom plate to be plasticized along with the drying of paint. The hot-melt damping plate generally adopts hot-melt asphalt damping fins, so that the hot-melt damping plate can be firmly attached to automobile structural members in different shapes after being cooled, the shape following performance of the hot-melt damping plate is excellent, the adaptability to different structures is high, and the application range is wide. Because asphalt easily produces harmful gas to make the interior VOC material content of car exceed standard, in order to reduce the threat of harmful volatile substance in the car, environment-friendly damping panel has appeared in order to satisfy the demand.

Through the research of the applicant, the existing products have the following problems:

1. the existing environment-friendly damping plate is difficult to effectively realize the separation of harmful substances, and the long-term use of the existing environment-friendly damping plate easily causes the content of the harmful substances in the vehicle to be too high, thereby affecting the life health safety of people.

2. The existing environment-friendly damping plates are mutually overlapped when being stored, the damping plates are easy to adhere, the breakage rate of the damping plates is high, and the existing environment-friendly damping plates are not beneficial to storage and transportation of the damping plates.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defect, the utility model provides an keep apart the effect and show, and be difficult to take place the adhesion, the low VOC's of the low smell environmental protection damping plate of the storage of being convenient for.

In order to solve the above problem, the utility model discloses realize according to following technical scheme:

the utility model relates to a low-odor low-VOC environment-friendly damping plate, which comprises an anti-sticking layer, an acoustic cotton layer, a high-temperature adhesive layer, an adsorption layer, an isolation layer and a hot-melt damping layer which are sequentially and closely attached from top to bottom;

the anti-sticking layer is made of butyl acrylate materials, the adsorption layer is made of superfine glass fiber paper, the isolation layer is made of water-based epoxy resin paint, and the hot-melt damping layer is a hot-melt asphalt damping plate.

Preferably, the isolation layer is integrally formed with the hot melt damping layer.

Preferably, the isolation layer is formed by drying after being sprayed on the upper surface of the hot-melt damping layer.

Preferably, the sound absorption cotton layer is made of wave crest sound absorption cotton.

Preferably, the high temperature adhesive layer is formed by combining an inorganic base, a metal oxide and a hydroxide.

Preferably, the release layer has a thickness of 0.5 mm.

Preferably, the thickness of the isolation layer is 0.3 mm.

Preferably, the thickness of the hot melt damping layer is 2 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up adsorbed layer and isolation layer, the isolation layer is kept apart in order to prevent that harmful substance from outwards volatilizing in the damping plate, and the adsorbed layer can adsorb wherein volatile harmful substance to realize the low VOC material of low smell in the car.

2. The utility model discloses a set up antiseized layer, can realize effectively that it is mutual adhesion between the damping plate to prevent when stacking the storage, can prevent effectively that the damping plate is damaged in order to keep integrality, reduce the storage cost.

Drawings

The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the layer structure of the low odor and VOC environmental protection damping plate of the present invention;

in the figure:

10-an anti-sticking layer;

20-sound absorbing cotton layer;

30-a high temperature adhesive layer;

40-an adsorption layer;

50-an isolation layer;

60-hot melt damping layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, it is a preferable structure of the environment-friendly damping plate with low odor and low VOC according to the present invention.

As shown in figure 1, a low VOC's of low smell environment-friendly damping plate, including from top to bottom closely laminate the antiseized layer 10 that sets up in proper order, inhale cotton layer 20 of sound, high temperature adhesive layer 30, adsorbed layer 40, isolation layer 50 and hot melt damping layer 60. The anti-sticking layer 10, the sound-absorbing cotton layer 20, the high-temperature adhesive layer 30, the adsorption layer 40, the isolation layer 50 and the hot-melt damping layer 60 are tightly attached to each other to form an integrated sheet type damping plate, and the hot-melt damping layer 60 at the bottom layer is tightly attached to the surface of an automobile structural member after being heated. The outer contour of the hot-melt damping plate can be a rectangular, circular or regular polygonal sheet material, etc. according to the specific structure of the connecting part. In use, the hot melt damping layer 60 is heated to bond to the interior of the vehicle to achieve a fit and tight bond to the vehicle interior structure.

The utility model discloses creatively, set up adsorbed layer 40 and isolation layer 50 in environment-friendly damping plate, wherein, isolation layer 50 keeps apart in order to prevent that harmful substance from outwards volatilizing in the damping plate, and adsorbed layer 40 can adsorb wherein volatile harmful substance to realize the low VOC material of low smell in the car. The utility model discloses still through setting up antiseized layer 10, can realize effectively stacking when the storage, prevent mutual adhesion between the damping plate.

Hot melt damping layer 60 for hot melt type pitch damping plate, set up in order to realize the hot melt bonding and provide the damping in the lower floor, the melting after hot melt damping layer 60 heats can bond in the car, this embodiment is preferred, the thickness of hot melt damping layer 60 is 2 mm. The hot melt type asphalt damping sheet belongs to the art and will not be described herein.

Antiseized layer 10 set up uppermost, antiseized layer 10 is made by the butyl acrylate material, the butyl acrylate material can prevent hot melt damping layer 60's bonding effectively to can be when a plurality of damping plates stack, when the antiseized layer 10 contact of hot melt damping layer 60 and another damping plate, do not produce the bonding, ensure the integrality of hot melt damping layer 60. The thickness of the anti-sticking layer 10 was 0.5 mm.

Inhale cotton layer 20 of sound set up at the lower surface on antiseized layer 10, inhale cotton layer 20 of sound and inhale the sound cotton by the crest and make, the crest is inhaled cotton crest form concave-convex structure and can be absorbed vibrations better to realize better syllable-dividing effect.

High temperature adhesive layer 30 bond and inhale cotton lower surface of sound, high temperature adhesive layer 30 is formed by inorganic alkali, metal oxide and hydroxide combination, is difficult to become invalid when bearing high temperature, is applicable to the utility model discloses.

Adsorbed layer 40 set up the lower surface at high temperature binder layer 30, adsorbed layer 40 is made by superfine glass fiber paper, superfine glass fiber paper can adsorb the produced poisonous material of hot melt damping layer 60 effectively to reduce smell and VOC material content in the car.

Isolation layer 50 bond at the lower surface of adsorbed layer 40, isolation layer 50 is made by waterborne epoxy coating, waterborne epoxy coating can keep apart smell molecule and noxious material effectively, isolation layer 50's thickness is 0.3 mm.

Preferably, the isolation layer 50 is integrally formed with the hot melt damping layer 60. Isolation layer 50 is in the shaping of drying after the upper surface spraying of hot melt damping layer 60, be the integral type structure after the stoving, connect more closely, difficult separation.

The working principle of the low-odor low-VOC environment-friendly damping plate is as follows:

on the one hand, the utility model discloses a set up adsorbed layer 40 and isolation layer 50, isolation layer 50 keeps apart in order to prevent that harmful substance from outwards volatilizing in the damping plate, and adsorbed layer 40 can adsorb wherein volatile harmful substance to realize the low VOC material of low smell in the car.

On the other hand, the utility model discloses a set up antiseized layer 10, can realize effectively when stacking the storage, prevent mutual adhesion between the damping plate, can prevent effectively that the damping plate is damaged in order to keep integrality, reduce the storage cost.

Other structures of the low-odor and low-VOC environment-friendly damping plate described in the embodiment are referred to in the prior art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. The low-odor and low-VOC environment-friendly damping plate is characterized by comprising an anti-sticking layer, a sound-absorbing cotton layer, a high-temperature adhesive layer, an adsorption layer, an isolation layer and a hot-melt damping layer which are sequentially and closely attached from top to bottom;

2. The low-odor low-VOC environment-friendly damping plate according to claim 1, wherein:

the isolation layer and the hot-melt damping layer are integrally formed.

3. The low-odor low-VOC environment-friendly damping plate according to claim 2, wherein:

and the isolation layer is formed by drying after being sprayed on the upper surface of the hot-melting damping layer.

4. The low-odor low-VOC environment-friendly damping plate according to claim 1, wherein:

the sound-absorbing cotton layer is made of wave crest sound-absorbing cotton.

5. The low-odor low-VOC environmentally friendly damping plate as claimed in claim 3, wherein:

the thickness of the anti-sticking layer is 0.5 mm.

6. The low-odor low-VOC environmentally friendly damping plate as claimed in claim 3, wherein:

the thickness of isolation layer is 0.3 mm.

7. The low-odor low-VOC environmentally friendly damping plate as claimed in claim 3, wherein:

the thickness of hot melt damping layer is 2 mm.