CN111038025A - Interior decoration sound-absorbing cotton - Google Patents

Interior decoration sound-absorbing cotton Download PDF

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Publication number
CN111038025A
CN111038025A CN201911408429.3A CN201911408429A CN111038025A CN 111038025 A CN111038025 A CN 111038025A CN 201911408429 A CN201911408429 A CN 201911408429A CN 111038025 A CN111038025 A CN 111038025A
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CN
China
Prior art keywords
sound
layer
absorbing
fiber
absorbing cotton
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Pending
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CN201911408429.3A
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Chinese (zh)
Inventor
潘建新
汪飞
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Hubei Tianyun Noise Reduction And Antivibration New Material Co ltd
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Hubei Tianyun Noise Reduction And Antivibration New Material Co ltd
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Priority to CN201911408429.3A priority Critical patent/CN111038025A/en
Publication of CN111038025A publication Critical patent/CN111038025A/en
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    • 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
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    • 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
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L19/00—Compositions of rubbers not provided for in groups C08L7/00 - C08L17/00
    • C08L19/003—Precrosslinked rubber; Scrap rubber; Used vulcanised rubber
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to an interior sound-absorbing cotton, which comprises a flame-retardant mesh layer covered on the surface, wherein the boundary of the sound-absorbing cotton is provided with a sound-absorbing cotton edge seal, and the flame-retardant mesh layer on the surface layer comprises: 25-35% of basalt fiber, 15-25% of glass fiber, 10-15% of carbon fiber, 5-15% of meta-aramid fiber, 5-15% of flame-retardant nylon fiber, 5-10% of flame-retardant polyamide fiber, 5-8% of phenolic fiber, 5-15% of alloy fiber and 5-7% of polysulfonamide fiber. The flame-retardant net layer is woven by fiber materials; the alloy fiber comprises the following raw materials in percentage by weight: 25-45% of aluminum, 15-20% of titanium, 10-15% of iron, 5-10% of tungsten, 5-10% of chromium and 5-15% of copper; according to the invention, the flame-retardant mesh layer is wrapped on the outer layer of the sound-absorbing cotton, so that the sound-absorbing effect of the sound-absorbing cotton is not damaged while flame retardance is carried out, the sound-absorbing effect of the sound-absorbing cotton is improved, and the toughness and the strong rigidity of the sound-absorbing cotton are improved.

Description

Interior decoration sound-absorbing cotton
Technical Field
The invention relates to the technical field of sound-absorbing cotton materials, in particular to interior sound-absorbing cotton.
Background
In the modern society, noise pollution has become one of the main environmental pollution problems which are concerned worldwide after water pollution and air pollution. Sound-absorbing and sound-insulating materials are used for sound insulation and sound reduction, which are common means for treating noise pollution. The sound-absorbing cotton commonly used in the market at present comprises glass fiber sound-absorbing cotton, sponge, polyester fiber sound-absorbing cotton and the like. The glass fiber cotton is easy to cause skin itch and respiratory tract allergy, is harmful to human bodies and is not suitable for indoor use. Most of the sponge is a closed-cell foam material, has limited sound absorption performance and is more suitable for the field of heat preservation. The common polyester fiber sound-absorbing cotton has narrow sound-absorbing bandwidth, only has good absorption for middle and high frequency sound, and has limited absorption effect for low frequency sound. The sound-absorbing cotton for the automotive interior material not only needs good sound-absorbing performance, but also needs to meet the requirements of safety, flame retardance, environmental protection, comfort, durability and the like.
On the other hand, with the increasing requirements of life practicality and fire safety, people have higher and higher requirements on flame retardance of sound-absorbing cotton. At present, the flame retardant technology enters a new development stage, and the flame retardant technology of the sound-absorbing material is developing towards the direction of high efficiency, economy and environmental protection in the future. Since the inorganic flame retardant has: low toxicity and good thermal stability; does not precipitate and has lasting flame retardant effect; no corrosive gas is generated; the price is low; the inorganic flame retardant has the advantages of small smoke generation amount and the like, so the application of the inorganic flame retardant in various aspects is gradually replacing the organic flame retardant, and the research significance of synthesizing the inorganic flame retardant is great; however, since organic flame retardants are still being used in large amounts at present, the use of inorganic flame retardants in combination with organic flame retardants is a desirable transition.
At present, the social demand for sound-absorbing materials is rapidly increased, and the traditional sound-absorbing materials cannot meet the higher requirements of people on environmental protection, decoration and flame retardance. Therefore, research and development of new environmentally friendly sound-absorbing flame retardant materials have been the direction of effort.
Disclosure of Invention
In order to solve the above problems, the present invention provides an interior sound-absorbing cotton, which has a multi-layered sound-absorbing structure inside, and aims to overcome the disadvantages of poor sound-absorbing and noise-reducing effects, poor safety, and poor environmental protection effects.
In order to realize the purpose of the invention, the adopted technical scheme is as follows:
the interior sound-absorbing cotton comprises a flame-retardant net layer covering the surface, wherein a sound-absorbing cotton edge sealing edge is arranged at the boundary of the sound-absorbing cotton, and the flame-retardant net layer on the surface layer comprises the following raw materials in parts by weight:
25-35% of basalt fiber, 15-25% of glass fiber, 10-15% of carbon fiber, 5-15% of meta-aramid fiber, 5-15% of flame-retardant nylon fiber, 5-10% of flame-retardant polyamide fiber, 5-8% of phenolic fiber, 5-15% of alloy fiber and 5-7% of polysulfonamide fiber.
The flame-retardant net layer is formed by weaving fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 25-45% of aluminum, 15-20% of titanium, 10-15% of iron, 5-10% of tungsten, 5-10% of chromium and 5-15% of copper.
Preferably, the inner layer of the flame-retardant mesh layer is provided with a sound-absorbing cotton layer, and the inner layer of the sound-absorbing cotton layer is provided with a sound-absorbing honeycomb layer.
Preferably, bonding layers are arranged between the flame-retardant mesh layer and the sound-absorbing cotton layer and between the sound-absorbing cotton layer and the sound-absorbing honeycomb layer.
Preferably, a damping sheet layer is provided on an inner layer of the suction honeycomb layer, and a boundary between the damping sheet layer and the sound absorption honeycomb layer is connected by an adhesive layer.
As a preferred technical scheme, the damping sheet layer is divided into two layers, and the damping sheet layer on the upper layer is connected with the damping sheet layer on the lower layer through the arrangement of the reinforcing ribs.
Preferably, at least one reinforcing rib is arranged between the damping sheet layers, and the damping sheet layers are divided into at least one sound absorption cavity by the reinforcing ribs.
According to the preferable technical scheme, at least one sound-absorbing through hole is formed in the reinforcing rib on the periphery of the sound-absorbing cavity, and the sound-absorbing cavities are connected with the adjacent sound-absorbing cavities through the sound-absorbing through holes.
As a preferable technical scheme, the sound absorption cavity is filled with the mixed crushed aggregates of the sound absorption cotton layer, the sound absorption honeycomb layer and the damping sheet layer.
As a preferable technical scheme, the particle size of the mixed crushed aggregates is larger than the aperture size of the sound-absorbing through holes.
Preferably, the lower damping sheet layer has at least two trim mounting holes on the back surface thereof.
According to a preferable technical scheme, the interior mounting hole forms an interior mounting groove for mounting, and the inner wall surface of the interior mounting groove is provided with a mounting clamping piece and a mounting clamping ring.
Preferably, the sound-absorbing cotton edge banding directly covers the peripheries of the flame-retardant mesh layer of the sound-absorbing cotton and the lower damping sheet layer, and the periphery of the sound-absorbing cotton is edged.
As a preferred technical scheme, the damping sheet layer comprises the following raw materials in parts by weight:
30-45 parts of waste rubber, 20-30 parts of glass fiber modified nitrile rubber, 10-15 parts of carbon fiber modified polyisoprene rubber, 5-15 parts of modified nano graphene, 3-9 parts of toughening agent, 2-8 parts of nano white carbon black, 3-5 parts of nano calcium carbonate, 1-3 parts of coupling agent, 2-4 parts of compatilizer, 0.5-1.5 parts of mildew preventive, 1-2 parts of antioxidant and 0.5-1 part of ultraviolet absorbent.
The invention has the beneficial effects that: the net-shaped flame-retardant layer can not damage the sound absorption effect of the sound absorption cotton while the sound absorption cotton is subjected to flame retardance, and the sound absorption cotton layer, the sound absorption honeycomb layer, the damping sheet layer and the sound absorption cavity are arranged to absorb generated noise and vibration, so that the sound absorption effect of the sound absorption cotton is greatly improved, and the flame-retardant effect of the sound absorption cotton is also improved; the damping sheet layer and the sound absorption base layer are arranged in the sound absorption cotton, so that the toughness and the strong rigidity of the sound absorption cotton are greatly improved, the internal structure of the sound absorption cotton is optimized, and the properties and the functions of the sound absorption cotton are improved; furthermore, the back of the interior sound-absorbing cotton is provided with an interior mounting structure, so that the interior sound-absorbing cotton can be freely disassembled and assembled, and compared with the interior sound-absorbing cotton, the interior sound-absorbing cotton can be cleaned or replaced; in conclusion, the sound-absorbing flame-retardant cotton skillfully introduces the damping sheet layer into the sound-absorbing cotton, and covers the flame-retardant net layer outside the sound-absorbing cotton to carry out flame-retardant protection, so that the toughness, strength and rigidity of the sound-absorbing cotton are improved, and the sound-absorbing and flame-retardant effects can be enhanced; the interior trim mounting structure who sets up free dismouting is convenient for inhale cotton washing or change of sound, sets up the banding and is favorable to guaranteeing to inhale the completions of sound cotton structure, has good market potential value, has practicality and creativity.
Drawings
Fig. 1 is a schematic view of the internal cross-sectional structure of the interior sound-absorbing cotton according to the present invention.
FIG. 2 is a schematic view of the surface structure of the sound-absorbing cotton for interior decoration according to the present invention.
FIG. 3 is a schematic view of the inner structure of the interior mounting hole of the sound-absorbing cotton for interior decoration according to the present invention.
In the figure: 1. a flame-retardant mesh layer; 2. a sound absorbing cotton layer; 3. a sound absorbing honeycomb layer; 4. a damping sheet layer; 5. a bonding layer; 6. reinforcing ribs; 7. a sound-absorbing through hole; 8. a sound-absorbing cavity; 9. an interior trim mounting hole; 10. an interior trim mounting groove; 11. installing a clamping piece; 12. installing a snap ring; 13. and (5) sealing edges by using sound-absorbing cotton.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Example 1
The interior sound-absorbing cotton comprises a flame-retardant net layer 1 covering the surface, a sound-absorbing cotton edge sealing 13 is arranged at the boundary of the sound-absorbing cotton, and the flame-retardant net layer 1 on the surface layer comprises the following raw materials in parts by weight:
35% of basalt fiber, 15% of glass fiber, 10% of carbon fiber, 5% of meta-aramid fiber, 5% of flame-retardant nylon fiber, 5% of flame-retardant polyamide fiber, 5% of phenolic fiber, 15% of alloy fiber and 5% of polysulfonamide fiber.
The flame-retardant net layer 1 is woven by fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 45% of aluminum, 15% of titanium, 10% of iron, 10% of tungsten, 10% of chromium and 10% of copper.
Further, the inner layer of the flame-retardant net layer 1 is provided with a sound-absorbing cotton layer 2, and the inner layer of the sound-absorbing cotton layer 2 is provided with a sound-absorbing honeycomb layer 3.
Furthermore, bonding layers 5 are arranged between the flame-retardant mesh layer 1 and the sound-absorbing cotton layer 2 and between the sound-absorbing cotton layer 2 and the sound-absorbing honeycomb layer 3.
Further, the inner layer of the suction honeycomb layer 3 is provided with a damping sheet layer 4, and the boundary between the damping sheet layer 4 and the sound-absorbing honeycomb layer 3 is connected by a bonding layer 5.
Further, the damping sheet layer 4 is divided into two layers, and the damping sheet layer 4 on the upper layer and the damping sheet layer 4 on the lower layer are connected through arranging the reinforcing ribs 6.
Furthermore, at least one reinforcing rib 6 is arranged between the damping sheet layers 4, and the damping sheet layers 4 are divided into at least one sound absorption cavity 8 by the reinforcing ribs 6.
Furthermore, at least one sound-absorbing through hole 7 is formed in the reinforcing rib 6 on the periphery of the sound-absorbing cavity 8, and the sound-absorbing cavity 8 is connected with the adjacent sound-absorbing cavity 8 through the sound-absorbing through hole 7.
Furthermore, the sound-absorbing cavity 8 is filled with the mixed crushed aggregates of the sound-absorbing cotton layer 2, the sound-absorbing honeycomb layer 3 and the damping sheet layer 4.
Further, the particle size of the mixed crushed aggregates is larger than the aperture size of the sound-absorbing through holes 7.
Further, the back surface of the lower damping sheet layer 4 is provided with at least two trim mounting holes 9.
Further, the interior mounting hole 9 forms an interior mounting groove 10 for mounting, and an installation clamping piece 11 and an installation clamping ring 12 are arranged on the inner wall surface of the interior mounting groove 10.
Further, the sound-absorbing cotton edge sealing 13 directly covers the peripheries of the flame-retardant mesh layer 1 of the sound-absorbing cotton and the lower damping sheet layer 4, and the periphery of the sound-absorbing cotton is edge-sealed.
Further, the damping sheet layer 4 comprises the following raw materials in parts by weight:
45 parts of waste rubber, 30 parts of glass fiber modified nitrile rubber, 15 parts of carbon fiber modified polyisoprene rubber, 15 parts of modified nano graphene, 9 parts of toughening agent, 28 parts of nano white carbon black, 35 parts of nano calcium carbonate, 3 parts of coupling agent, 4 parts of compatilizer, 1.5 parts of mildew preventive, 2 parts of antioxidant and 1 part of ultraviolet absorbent.
Example 2
The present embodiment is different from embodiment 1 in that:
the interior sound-absorbing cotton comprises a flame-retardant net layer 1 covering the surface, a sound-absorbing cotton edge sealing 13 is arranged at the boundary of the sound-absorbing cotton, and the flame-retardant net layer 1 on the surface layer comprises the following raw materials in parts by weight:
25% of basalt fiber, 25% of glass fiber, 15% of carbon fiber, 5% of meta-aramid fiber, 5% of flame-retardant nylon fiber, 5% of flame-retardant polyamide fiber, 5-8% of phenolic fiber, 10% of alloy fiber and 5% of polysulfonamide fiber.
The flame-retardant net layer 1 is woven by fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 45% of aluminum, 20% of titanium, 10% of iron, 5% of tungsten, 5% of chromium and 15% of copper;
furthermore, the damping sheet layer 4 comprises the following raw materials in parts by weight:
30 parts of waste rubber, 20 parts of glass fiber modified nitrile rubber, 10 parts of carbon fiber modified polyisoprene rubber, 5 parts of modified nano graphene, 3 parts of toughening agent, 2 parts of nano white carbon black, 3 parts of nano calcium carbonate, 1 part of coupling agent, 2 parts of compatilizer, 0.5 part of mildew preventive, 1 part of antioxidant and 0.5 part of ultraviolet absorbent.
Example 3
This embodiment is different from embodiment 1 or 2 in that:
the interior sound-absorbing cotton comprises a flame-retardant net layer 1 covering the surface, a sound-absorbing cotton edge sealing 13 is arranged at the boundary of the sound-absorbing cotton, and the flame-retardant net layer 1 on the surface layer comprises the following raw materials in parts by weight:
25% of basalt fiber, 15% of glass fiber, 15% of carbon fiber, 5% of meta-aramid fiber, 15% of flame-retardant nylon fiber, 5% of flame-retardant polyamide fiber, 5% of phenolic fiber, 10% of alloy fiber and 5% of polysulfonamide fiber.
The flame-retardant net layer 1 is woven by fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 30% of aluminum, 20% of titanium, 15% of iron, 10% of tungsten, 10% of chromium and 15% of copper;
furthermore, the damping sheet layer 4 comprises the following raw materials in parts by weight:
45 parts of waste rubber, 20 parts of glass fiber modified nitrile rubber, 15 parts of carbon fiber modified polyisoprene rubber, 5 parts of modified nano graphene, 9 parts of toughening agent, 2 parts of nano white carbon black, 5 parts of nano calcium carbonate, 1 part of coupling agent, 4 parts of compatilizer, 0.5 part of mildew preventive, 2 parts of antioxidant and 0.5 part of ultraviolet absorbent.
Example 4
This embodiment is different from embodiment 1 or 2 or 3 in that:
the interior sound-absorbing cotton comprises a flame-retardant net layer 1 covering the surface, a sound-absorbing cotton edge sealing 13 is arranged at the boundary of the sound-absorbing cotton, and the flame-retardant net layer 1 on the surface layer comprises the following raw materials in parts by weight:
35% of basalt fiber, 15% of glass fiber, 10% of carbon fiber, 15% of meta-aramid fiber, 5% of flame-retardant nylon fiber, 5% of flame-retardant polyamide fiber, 5% of phenolic fiber, 5% of alloy fiber and 5% of polysulfonamide fiber.
The flame-retardant net layer 1 is woven by fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 45% of aluminum, 20% of titanium, 10% of iron, 10% of tungsten, 5% of chromium and 10% of copper;
furthermore, the damping sheet layer 4 comprises the following raw materials in parts by weight:
3-45 parts of waste rubber, 30 parts of glass fiber modified nitrile rubber, 10 parts of carbon fiber modified polyisoprene rubber, 15 parts of modified nano graphene, 3 parts of toughening agent, 8 parts of nano white carbon black, 3 parts of nano calcium carbonate, 3 parts of coupling agent, 2 parts of compatilizer, 1.5 parts of mildew preventive, 1 part of antioxidant and 1 part of ultraviolet absorbent.
Example 5
This embodiment differs from embodiment 1 or 2 or 3 or 4 in that:
the interior sound-absorbing cotton comprises a flame-retardant net layer 1 covering the surface, a sound-absorbing cotton edge sealing 13 is arranged at the boundary of the sound-absorbing cotton, and the flame-retardant net layer 1 on the surface layer comprises the following raw materials in parts by weight:
30% of basalt fiber, 20% of glass fiber, 15% of carbon fiber, 5% of meta-aramid fiber, 5% of flame-retardant nylon fiber, 5% of flame-retardant polyamide fiber, 5% of phenolic fiber, 10% of alloy fiber and 5% of polysulfonamide fiber.
The flame-retardant net layer 1 is woven by fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 35% of aluminum, 20% of titanium, 10% of iron, 10% of tungsten, 10% of chromium and 15% of copper;
furthermore, the damping sheet layer 4 comprises the following raw materials in parts by weight:
40 parts of waste rubber, 25 parts of glass fiber modified nitrile rubber, 12 parts of carbon fiber modified polyisoprene rubber, 10 parts of modified nano graphene, 6 parts of toughening agent, 5 parts of nano white carbon black, 4 parts of nano calcium carbonate, 2 parts of coupling agent, 3 parts of compatilizer, 1 part of mildew preventive, 1 part of antioxidant and 0.5 part of ultraviolet absorbent.
According to the invention, the flame-retardant mesh layer with good flame-retardant effect is wrapped on the outer layer of the sound-absorbing cotton, the sound-absorbing effect of the sound-absorbing cotton cannot be damaged when the netted flame-retardant layer is used for retarding the flame of the sound-absorbing cotton, and the sound-absorbing cotton layer, the sound-absorbing honeycomb layer, the damping sheet layer and the sound-absorbing cavity are arranged for absorbing the generated noise and vibration, so that the sound-absorbing effect of the sound-absorbing cotton is greatly improved, and the flame-retardant effect of the sound-absorbing cotton is also improved; the damping sheet layer and the sound absorption base layer are arranged in the sound absorption cotton, so that the toughness and the strong rigidity of the sound absorption cotton are greatly improved, the internal structure of the sound absorption cotton is optimized, and the properties and the functions of the sound absorption cotton are improved; furthermore, the back of the interior sound-absorbing cotton is provided with an interior mounting structure, so that the interior sound-absorbing cotton can be freely disassembled and assembled, and compared with the interior sound-absorbing cotton, the interior sound-absorbing cotton can be cleaned or replaced; in conclusion, the sound-absorbing flame-retardant cotton skillfully introduces the damping sheet layer into the sound-absorbing cotton, and covers the flame-retardant net layer outside the sound-absorbing cotton to carry out flame-retardant protection, so that the toughness, strength and rigidity of the sound-absorbing cotton are improved, and the sound-absorbing and flame-retardant effects can be enhanced; the interior trim mounting structure who sets up free dismouting is convenient for inhale cotton washing or change of sound, sets up the banding and is favorable to guaranteeing to inhale the completions of sound cotton structure, has good market potential value, has practicality and creativity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an interior trim sound absorption cotton which characterized in that: the sound-absorbing cotton-covered flame-retardant composite material comprises a flame-retardant net layer (1) covered on the surface, wherein a sound-absorbing cotton edge sealing edge (13) is arranged at the boundary of sound-absorbing cotton, and the flame-retardant net layer (1) on the surface layer comprises the following raw materials in parts by weight:
25-35% of basalt fiber, 15-25% of glass fiber, 10-15% of carbon fiber, 5-15% of meta-aramid fiber, 5-15% of flame-retardant nylon fiber, 5-10% of flame-retardant polyamide fiber, 5-8% of phenolic fiber, 5-15% of alloy fiber and 5-7% of polysulfonamide fiber.
The flame-retardant net layer (1) is formed by weaving fiber materials;
the alloy fiber comprises the following raw materials in percentage by weight: 25-45% of aluminum, 15-20% of titanium, 10-15% of iron, 5-10% of tungsten, 5-10% of chromium and 5-15% of copper.
2. The interior sound-absorbing cotton according to claim 1, wherein: the inner layer of the flame-retardant mesh layer (1) is provided with a sound-absorbing cotton layer (2), and the inner layer of the sound-absorbing cotton layer (2) is provided with a sound-absorbing honeycomb layer (3);
and bonding layers (5) are arranged between the flame-retardant mesh layer (1) and the sound-absorbing cotton layer (2) and between the sound-absorbing cotton layer (2) and the sound-absorbing honeycomb layer (3).
3. The interior sound-absorbing cotton according to claim 2, wherein: the inner layer of the attraction honeycomb layer (3) is provided with a damping sheet layer (4), and the boundary of the damping sheet layer (4) and the sound absorption honeycomb layer (3) is connected through a bonding layer (5).
4. The interior sound-absorbing cotton according to claim 3, wherein: damping sheet layer (4) divide into two-layerly, connect through setting up strengthening rib (6) between damping sheet layer (4) of upper strata and the damping sheet layer (4) of lower floor.
5. The interior sound-absorbing cotton according to claim 4, wherein: at least one reinforcing rib (6) is arranged between the damping sheet layers (4), and the damping sheet layers (4) are divided into at least one sound absorption cavity (8) by the reinforcing ribs (6).
6. The interior sound-absorbing cotton according to claim 5, wherein: the sound-absorbing hollow cavity is characterized in that at least one sound-absorbing through hole (7) is formed in the reinforcing rib (6) on the periphery of the sound-absorbing hollow cavity (8), and the sound-absorbing hollow cavity (8) is connected with the adjacent sound-absorbing hollow cavity (8) or the outside through the sound-absorbing through hole (7).
7. The interior sound-absorbing cotton according to claim 6, wherein: the sound-absorbing hollow cavity (8) is filled with mixed crushed aggregates of the sound-absorbing cotton layer (2), the sound-absorbing honeycomb layer (3) and the damping sheet layer (4);
the particle size of the mixed crushed aggregates is larger than the aperture size of the sound-absorbing through hole (7).
8. The interior sound-absorbing cotton according to claim 3, wherein: the back surface of the damping sheet layer (4) of the lower layer is provided with at least two interior mounting holes (9);
the interior trim mounting hole (9) forms an interior trim mounting groove (10) for mounting, and the inner wall surface of the interior trim mounting groove (10) is provided with a mounting clamping piece (11) and a mounting clamping ring (12).
9. The interior sound-absorbing cotton according to claim 1, wherein: the sound-absorbing cotton edge sealing (13) directly covers the peripheries of the flame-retardant mesh layer (1) of the sound-absorbing cotton and the damping sheet layer (4) of the lower layer, and the periphery of the sound-absorbing cotton is covered.
10. The interior sound-absorbing cotton according to claim 5, wherein: the damping sheet layer (4) comprises the following raw materials in parts by weight:
30-45 parts of waste rubber, 20-30 parts of glass fiber modified nitrile rubber, 10-15 parts of carbon fiber modified polyisoprene rubber, 5-15 parts of modified nano graphene, 3-9 parts of toughening agent, 2-8 parts of nano white carbon black, 3-5 parts of nano calcium carbonate, 1-3 parts of coupling agent, 2-4 parts of compatilizer, 0.5-1.5 parts of mildew preventive, 1-2 parts of antioxidant and 0.5-1 part of ultraviolet absorbent.
CN201911408429.3A 2019-12-31 2019-12-31 Interior decoration sound-absorbing cotton Pending CN111038025A (en)

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