CN209619264U - A kind of automobile-used fire-retardant ceiling composite material - Google Patents

Abstract

The utility model discloses a kind of automobile-used fire-retardant ceiling composite materials, including fire-retardant ceiling precoat, mesh-like retardant adhesive layer, fire-retardant double-sided plush, fire-retardant overlay film glue-line, the fire-retardant ceiling precoat is nonwoven fabric construct or knitted structure made from phosphor-containing halogen-free flame-retardant polyester material, the fire-retardant double-sided plush includes fire-retardant short flannel batt, fire-retardant embryo cloth base, fire-retardant long wool batt, the fire-retardant ceiling precoat bonds fire-retardant short flannel batt by the mesh-like retardant adhesive layer and realizes to the compound of fire-retardant double-sided plush, the fire-retardant overlay film glue-line is covered in the fire-retardant long wool batt surface.The utility model Roof shell fabric has the characteristics that environmentally protective, soft, good flame resistance, separation strength are high, resilience is good, comfortable feel, good heat preservation performance.

Description

A kind of automobile-used fire-retardant ceiling composite material

Technical field

The utility model relates to textile fields, more particularly to a kind of automobile-used fire-retardant ceiling composite material.

Background technique

In recent years, automobile burning safety accident takes place frequently, and improves automotive interior material combustion testing standard and is to ensure that automotive safety One of an important factor for.Before this, the flame-retardancy requirements of bus interior material are only referring to national compulsory GB8410-2006 controlled level Burning velocity is not enough to effectively prevent fire, delays fire spreading.Therefore, units concerned have newly formulated JT/T 1095- 2016 " operating passenger car interior material flame-retarding characteristics ", and formally carried out on April 1st, 2017, while mandatory national standards " visitor The combustion characteristics of interior exterior material " declaration of also having finalized a text, two standards propose vertical combustion speed, horizontal firing grade, The multinomial fire-retardant index request such as limit oxygen index, smoke density, puts forward new requirements and challenges to the exploitation of bus crest slab fabric.

Ceiling interior trim is the important component of vehicle complete vehicle interior trim, and one of its effect improves interior dicoration, together When can also improve with heat-insulated, the insulation effect outside vehicle, reduce internal car noise, improve sound absorption effect, improve passenger riding relax Adaptive and safety.Due to direct sunlight roof, automobile top temperature is higher, therefore the heat resistance of ceiling interior trim, weatherability, resistance Combustion property index request is tighter.

Roof of the vehicle interior trim mainly has soft top and resists two kinds stubbornly.

The soft top of automobile is generally combined with each other by fabric and froth bed with laminating method or flame method.Fabric majority is non-woven fabrics The manufacture of the materials such as woven fabric non-woven fabrics, looped fabric or PVC film.Froth bed is manufactured with polyurethane or cross-linked polyethylene foam.Fabric It plays role in decoration, color and quality will mutually be coordinated with interior body trim color and quality.Froth bed plays heat-insulated, sound insulation, sound-absorbing, subtracts Bestir oneself use.

Roof of the vehicle machine-shaping be it is more complicated, finished product index also requires very more.

However, the froth bed that roof of the vehicle uses is polyurethane or cross-linked polyethylene foam, it is combustible material, has very big Security risk.

In addition, there are also other potential problems for the soft bubble of polyurethane sponge.Such as the soft bubble of polyurethane sponge is in flame is compound The smog of generation is larger, and peculiar smell is larger, and the aromatic series low molecular compound and oxynitrides for generation of burning are to human body and environment There is certain harm, final composite material VOC obtained and smell are also exceeded.Under the increasingly strict trend of Environmental Safety, up and down Trip is all desirable to develop the roof of the vehicle composite material of environmentally friendly, fire-retardant, low VOC, low smell.

Currently, JT/T 1095-2016 " operating passenger car interior material flame-retarding characteristic " new standard, for bus interior material The requirement of flame retardant property, it is specified that operating passenger car ceiling materials limit oxygen index >=22%；By GB8410-2006 horizontal firing method Test, combustion rating are not less than B grades；It is tested by GB32086-2015, burning velocity≤100mm/min；By GB/T8627- 2007 tests, smoke density grade (SDR)≤70.

Application No. is the utility model of CN201520739199.X, it is related to a kind of the CDP fabrics and terylene is blended Roof shell fabric is weaved by sley bar GB1, sley bar GB2, sley bar GB3, and veil is the CDP fabrics, and filling is commonly to wash Synthetic fibre, veil penetrate sley bar GB1 and sley bar GB2, and mode of entrying is worn for one, and filling penetrates sley bar GB3, and the mode of entrying is full It wears, the institutional framework of sley bar GB1 are as follows: 1-0/1-2/2-3/2-1, the institutional framework of sley bar GB2 are as follows: 2-3/2-1/1-0/1-2, comb The institutional framework of comb GB3: 1-0/3-4.The beneficial effects of the utility model are: the organizational form of fabric, which adds, has preferable dye Color, hygroscopicity and gas permeability the CDP fabrics use, improve the comfort level of fabric；Simultaneously by using dyeing The different raw material of performance can dye two kinds of colors on one piece of fabric, improve the aesthetic measure of fabric.

Application No. is the patents of invention of CN201510609666.1 to disclose a kind of composite regenerated foam of automobile inner decoration facing The ceiling sheet material of compacting regenerates fire-retardant rubber and plastic foamed cotton layer side and is compounded with automobile inner decoration facing layer, is formed and regenerates fire-retardant rubber and plastic bubble Cotton automotive interior fabric lamella regenerates and is compounded with adhesive layer on fire-retardant rubber and plastic foam automobile inner decoration facing lamella, by viscous The sheet material is fixed on roof of the vehicle by oxidant layer.Preparation method: fire-retardant rubber and plastic foamed cotton layer and automobile inner decoration facing lamination will be regenerated The fire-retardant rubber and plastic foam automobile inner decoration facing lamella of regeneration is made；The glue of adhesive layer is coated on regenerating fire-retardant rubber and plastic foamed cotton layer Water；Obtain the ceiling sheet material of the composite regenerated foam compacting of automobile inner decoration facing；In use, protective layer is removed.By above-mentioned Mode, the utility model can either cycling and reutilization its rubber and plastic foam reduce environmental pollution, economize on resources and the energy；May be used also To reduce the noise of car room, the comfort that driver drives is improved.

Application No. is the utility models of CN201420568147.6 to provide a kind of Roof shell fabric and roof of the vehicle, the ceiling Fabric includes the topcoat, layer of polyurethane and layer of polyethylene terephthalate stacked gradually；Wherein, the topcoat with it is described The first density polyethylene film with high layer, the layer of polyurethane and the layer of polyethylene terephthalate are provided between layer of polyurethane Between be provided with the second density polyethylene film with high layer.The Roof shell fabric of the utility model can be avoided fabric it is contaminated after pollution Object is diffused into layer of polyurethane and causes to corrode；And the infiltration of glue spraying on substrate skeleton is avoided that when connecting with substrate, and then improve The qualification rate of manufactured product simultaneously simplifies manufacturing process.

Application No. is the utility models of CN201621261871.X to provide a kind of automobile warp knit inner decorative ceiling fabric.It is solved Determined existing fabric structure it is too simple, without the functions such as fire-retardant, waterproof, antifouling, the technical problems such as have a single function.This automobile Warp knit inner decorative ceiling fabric, including surface layer, middle layer and internal layer, surface layer with a thickness of 1-3mm, middle layer with a thickness of 3-6mm, Internal layer with a thickness of 0.24-0.32mm, middle layer upper side is provided with flame-retardant layer, flame-retardant layer with a thickness of 0.01-0.08mm, in Interbed downside is provided with antibiotic layer, antibiotic layer with a thickness of 0.12-0.14mm, surface layer upper side is additionally provided with protective layer, prevents Sheath with a thickness of 0.4-0.6mm.

Application No. is the utility model patents of CN201520739199.X and CN201420568147.6 not to be related to fabric resistance Combustion problem, CN201621261871.X refer to the setting of flame-retardant layer, but accounting very little, application No. is The patent of invention of CN201510609666.1, which uses, regenerates fire-retardant rubber and plastic foamed cotton layer, but does not still refer to and meet JT/T The fire-retardant On Index of 1095-2016 " operating passenger car interior material flame-retarding characteristic " new standard.In fact, flame retardant rubber bubble it is continuous or Person's polyurethane foam, since it is with loose more empty open-celled structures, in addition being difficult to that fire-retardant component high-content is added or reacted Thereon, so that material itself is difficult to reach very high flame retardant property.To make flame retardant rubber bubble continuous or polyurethane foam resistance Combustion, or even addition halogenated flame retardant generate biggish smog, it is difficult to meet new national standard and rower when so that product meeting fire It is required that.

Summary of the invention

In view of the deficienciess of the prior art, the utility model proposes a kind of new automobile-used fire-retardant ceiling composite materials.

The utility model adopts the following technical solution: a kind of automobile-used fire-retardant ceiling composite material, it is characterised in that: including resistance Fire Roof shell fabric layer, mesh-like retardant adhesive layer, fire-retardant double-sided plush and fire-retardant overlay film glue-line, the fire-retardant ceiling precoat be containing Nonwoven fabric construct made from phosphorus halogen-free flame retardant polyester material or knitted structure, the mesh-like retardant adhesive layer are the phosphorous of filiform The wire mesh structure that halogen-free flame-retardant hot-melt adhesive adhesive is constituted；The fire-retardant double-sided plush includes fire-retardant short flannel batt, fire-retardant embryo cloth Base and fire-retardant long wool batt, the villus length of the fire-retardant short flannel batt are the 2.0%- of the villus length of fire-retardant long wool batt 18%, the fire-retardant long wool batt villus is length 2-10 millimeters, and the fire-retardant short flannel batt, fire-retardant long wool batt are respectively in resistance The two sides of embryo cloth base are fired, the fire-retardant double-sided plush is that entirety knits the structure to connect together, and material is that phosphor-containing halogen-free is fire-retardant Polyester material, the fire-retardant ceiling precoat are realized and are hindered by the fire-retardant short flannel batt of mesh-like retardant adhesive layer bonding The compound of double-sided plush is fired, the fire-retardant overlay film glue-line is fire retardant hot-melt film adhesive in user, is covered in the fire-retardant long wool batt surface.

Further, fire-retardant ceiling precoat is knitting fabric structure.

Further, the fire-retardant short flannel batt length that the fire-retardant double-sided plush includes is 0.2-0.8 millimeters.

Further, the phosphor-containing halogen-free flame-retardant polyester material is intrinsically flame retarded phosphor-containing halogen-free Flame-retardant PET.

The material that the utility model uses for phosphor-containing halogen-free flame-retardant polyester material, phosphor-containing halogen-free flame-retardant hot-melt viscose binder and Fire retardant hot-melt film adhesive in user is the material that can be bought in the market, using existing raw material, the utility model by shape, The variation of structure and connection type, the function of Lai Shixian the utility model.

The utility model has the beneficial effects that: the utility model using three-decker fire-retardant double-sided plush substitute it is traditional Polyurethane or cross-linked polyethylene foam solve the problems, such as that the heterogeneous of middle layer and fire-retardant ceiling precoat, this structure design make Fire-retardant double-sided plush can use fire proofing material identical with fire-retardant ceiling precoat, be conducive to the two be melt into carbon, Cooperative flame retardant.The one side of fire-retardant double-sided plush is fire-retardant short flannel batt, by realizing and fire-retardant ceiling with mesh-like retardant adhesive layer The compound and relatively short villus of precoat avoids the decline of the flatness of the fire-retardant ceiling precoat of compound rear bring, Suitable adhesion strength can be guaranteed using mesh-like retardant adhesive layer, while also adhesive being avoided to enter cloth cover from integral planar The problem of cloth cover integrally anchyloses caused by entirety, while better permeability can be also provided, the fire-retardant length of fire-retardant double-sided plush Tapetum can provide fluffy feel and good resilience, and on the surface of fire-retardant long wool batt, there are also one layer of fire-retardant laminated adhesives Layer, this layer of fire retardant hot-melt film adhesive in user can cover longer villus, certain uniformity be kept, moreover, integrally answering in product When for hard roof panels, fire-retardant overlay film glue-line can melt when heated and realize good bonding, reduce subsequent bonding hard The difficulty of processing of top plate, and can be improved adhesion strength.

The utility model product flame retardant property is good, the material of use be meet national flame-retardant standard phosphor-containing halogen-free it is fire-retardant Polyester material and fire retardant hot-melt film adhesive in user have abandoned inflammable polyurethane sponge or polyethylene foam-material, in environmental-protecting performance, smell There are preferable advantage, the automobile-used flame-retarding top of the utility model in terms of aspect, flame retardant property, dimensional stability and sun-proof weather resistance Canopy fabric can meet JT/T 1095-2016 " operating passenger car interior material flame-retarding characteristic " new standard, for bus interior material The requirement of flame retardant property, it is specified that operating passenger car ceiling materials limit oxygen index >=22%；By GB8410-2006 horizontal firing method Test, combustion rating are not less than B grades；It is tested by GB32086-2015, burning velocity≤100mm/min；By GB/T8627- 2007 tests, smoke density grade (SDR)≤70.

The automobile-used fire-retardant Roof shell fabric of the utility model has the few poison of dry and comfortable, environmentally protective, the low cigarette of cloth cover, low VOC, ground fog Change value, free from extraneous odour, soft, damping noise reduction, heat-insulating sound-insulating, heat preservation is sun-proof, excellent fireproof performance, separation strength is high, springs back Property good, comfortable feel, good heat preservation performance, sun-proof weather-proof, good stability of the dimension, the features such as, be applied to high-speed rail, motor-car, subway, visitor The ceiling of vehicle, car.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

In figure, including fire-retardant ceiling precoat 1, mesh-like retardant adhesive layer 2, fire-retardant double-sided plush 3, fire-retardant overlay film glue-line 4, Fire-retardant short flannel batt 31, fire-retardant embryo cloth base 32, fire-retardant long wool batt 33.

Specific embodiment

As shown in Figure 1, a kind of automobile-used fire-retardant ceiling composite material, including fire-retardant ceiling precoat 1, mesh-like retardant adhesive Layer 2, fire-retardant double-sided plush 3, fire-retardant overlay film glue-line 4, the fire-retardant ceiling precoat 1 are made from phosphor-containing halogen-free flame-retardant polyester material Nonwoven fabric construct or knitted structure, the mesh-like retardant adhesive layer 2 are Filamentous phosphor-containing halogen-free flame-retardant hot-melt viscose binder system The mesh-like retardant adhesive layer 2 obtained, the fire-retardant double-sided plush 3 include fire-retardant short flannel batt 31, fire-retardant embryo cloth base 32, fire-retardant length Tapetum 33, the villus length of the fire-retardant short flannel batt 31 are the 2.0%-18% of the villus length of fire-retardant long wool batt 33, Fire-retardant 33 villus of long wool batt is length 2-10 millimeters, and the fire-retardant short flannel batt 31, fire-retardant long wool batt 33 are respectively in The two sides of fire-retardant embryo cloth base 32, the fire-retardant double-sided plush 3 are that entirety knits the structure to connect together, and material is phosphor-containing halogen-free Flame-retardant polyester material, the fire-retardant ceiling precoat 1 bond fire-retardant short flannel batt 31 by the mesh-like retardant adhesive layer 2 Realize that the compound of fire-retardant double-sided plush 3, the fire-retardant overlay film glue-line 4 is fire retardant hot-melt film adhesive in user, is covered in the fire-retardant long wool 33 surface of batt.

In the utility model, fire-retardant ceiling precoat 1, fire-retardant double-sided plush 3 can select commercially available in the market contain Phosphorus halogen-free flame retardant polyester material, mesh-like retardant adhesive layer 2 is using phosphor-containing halogen-free flame-retardant hot-melt gluing commercially available in the market Mesh-like retardant adhesive layer 2 is made in mixture, and fire-retardant overlay film glue-line 4 is using fire retardant hot-melt film adhesive in user commercially available in the market.

Plucking is carried out respectively on the two sides for the fire-retardant embryo cloth base 32 being made of phosphor-containing halogen-free flame-retardant polyester material, in embryo cloth On form three-decker: fire-retardant short flannel batt 31, fire-retardant long wool batt 33, the operation of this plucking is the prior art, is only needed It to change according to the application and to structure design, certain control is carried out to the villus length of two sides plucking.

In the scheme of optimization: the fire-retardant ceiling precoat 1 is knitting fabric structure.

Fire-retardant 21 length of short flannel batt that fire-retardant double-sided plush 3 includes is 0.2-0.8 millimeters.

Phosphor-containing halogen-free flame-retardant polyester material is intrinsically flame retarded phosphor-containing halogen-free Flame-retardant PET.

It is the further optimization to the utility model product in prioritization scheme.

Fire-retardant short flannel batt 31, it is compound with fire-retardant ceiling precoat 1 by being realized with mesh-like retardant adhesive layer 2, and And use relatively short villus rather than longer villus, avoid the flatness of the fire-retardant ceiling precoat 1 of compound rear bring Decline, suitable adhesion strength can be guaranteed using mesh-like retardant adhesive layer 2, while also avoiding adhesive from integral planar The problem of cloth cover integrally anchyloses caused by into cloth cover entirety, while also avoiding being bonded cloth cover with whole glue film close It is real, airtight.It can make flame-retarding top canopy fabric that there is preferable permeability using mesh-like retardant adhesive layer 2.Using fire-retardant Short flannel batt 31 and mesh-like retardant adhesive layer 2 and fire-retardant ceiling precoat 1 bond, and can use the villus of fire-retardant short flannel batt Realize that better adhesive is contacted, infiltrates, sprawls and bonded, realization preferably bonds compound.If using smooth cloth plane The fire-retardant short flannel batt 31 of (namely this face not plucking) substitution, then it is compound after adhesive fastness can be relatively inferior.If using fire-retardant Long wool batt 33 is bonded with mesh-like retardant adhesive layer 2 and fire-retardant ceiling precoat 1, then positive fire-retardant ceiling precoat can Influence, compound rear roughness descent can be will receive.

The fire-retardant long wool batt 33 of fire-retardant double-sided plush 3 can provide fluffy feel and good resilience, in fire-retardant length There are also one layer of fire-retardant overlay film glue-line 4, this layer of fire retardant hot-melt film adhesive in user can cover longer villus on the surface of tapetum 33, protects Certain uniformity is held, moreover, when product is applied integrally to hard roof panels, fire-retardant overlay film glue-line 4 can melt when heated Melt and realize good bonding, reduce the difficulty of processing of subsequent bonding hard top plate, and can be improved adhesion strength.

Fire-retardant 33 villus of long wool batt is 2-10 millimeter, and villus is too short not to have due fluffy rebound, soft easypro Suitable, sound insulation and noise reduction, the effect for keeping the temperature damping, villus is too long, cost increase, and product grammes per square metre rises, the flatness after hair is too long Will receive influence with uniformity, (Villus cloth is flexible structure after all, and villus is too long, and the uniform flat of hair, which erects control difficulty, to be become Greatly), plucking preparation difficulty also increases, and subsequent overlay film or is also difficult to control with top plate Compound Machining.Therefore, the fire-retardant length is controlled 33 villus of tapetum is between 2-10 millimeters.

Fire-retardant ceiling precoat 1, fire-retardant double-sided plush 3, mesh-like retardant adhesive layer 2, fire-retardant overlay film glue-line 4 are in fire-retardant process In be easy to be melt into carbon and merge into each other and inlay so that product is when encountering flame, the cohesion carbon that coordinates is fire-retardant very fast, various The carbon-coating that phosphor-containing halogen-free fire proofing is generated when meeting outer plus fire source is easy to be fused together, the very fine and close thickness of the carbon-coating of formation Weight, so that the fabric compound of the utility model has excellent flame retardant property.

The utility model has abandoned traditional polyurethane sponge or polyethylene foam-material, in terms of environmental-protecting performance, smell, There is preferable advantage in terms of flame retardant property, dimensional stability and sun-proof weather resistance.

The utility model provides the total solution product of the system integration, and automobile-used fire-retardant Roof shell fabric is dry with cloth cover The few poison of refreshing, environmentally protective, low cigarette, low VOC, low fogging value, free from extraneous odour, soft, excellent fireproof performance, peel strength height, Resilience is good, damping noise reduction, heat preservation and soundproof, it is sun-proof weather-proof the features such as, applied to high-speed rail, motor-car, subway, car, car Ceiling.

Table 1 is one embodiment of the utility model: fire-retardant ceiling precoat 1, fire-retardant double-sided plush 3 are phosphorous essence resistance The preparation of retardant polyester material, mesh-like retardant adhesive layer 2, fire-retardant overlay film glue-line 4 use halogen-free phosphorus-containing fire retardant polyurethane hot melt, The villus length of fire-retardant short flannel batt 31 is 0.5 millimeter, and fire-retardant 33 villus of long wool batt is 3 millimeters.1 the utility model of table is implemented Example flame retardant property, is tested by GB32086-2015 and GB8410-2006, and flame retardant property meets relevant criterion requirement.Table 2 is this reality With novel other performance index, table 3 is the environmental-protecting performance of the automobile-used fire-retardant Roof shell fabric sample of the utility model, it can be seen that this reality There is preferable comprehensive performance with novel.

1 the utility model embodiment flame retardant property data of table

2 the utility model embodiment application performance data of table

3 the utility model embodiment environmental-protecting performance of table

Claims (5)

1. a kind of automobile-used fire-retardant ceiling composite material, it is characterised in that: fire-retardant viscous including fire-retardant ceiling precoat (1), mesh-like Layer (2), fire-retardant double-sided plush (3) and fire-retardant overlay film glue-line (4) are closed, the fire-retardant ceiling precoat (1) is that phosphor-containing halogen-free is fire-retardant poly- Nonwoven fabric construct made from ester material or knitted structure, the mesh-like retardant adhesive layer (2) are that Filamentous phosphor-containing halogen-free is fire-retardant The wire mesh structure that thermosol adhesive is constituted；The fire-retardant double-sided plush (3) includes fire-retardant short flannel batt (31), fire-retardant embryo cloth base Layer (32) and fire-retardant long wool batt (33), the villus length of the fire-retardant short flannel batt (31) are the suede of fire-retardant long wool batt (33) The 2.0%-18% of staple length, fire-retardant long wool batt (33) villus are length 2-10 millimeters, the fire-retardant short flannel batt (31), fire-retardant long wool batt (33) is respectively in the two sides of fire-retardant embryo cloth base (32), and the fire-retardant double-sided plush (3) is the whole company of knitting Structure together, the fire-retardant ceiling precoat (1) bond fire-retardant short flannel batt by the mesh-like retardant adhesive layer (2) (31) realize compound with fire-retardant double-sided plush (3), the fire-retardant overlay film glue-line (4) is fire retardant hot-melt film adhesive in user, is covered in institute State fire-retardant long wool batt (33) surface.

2. automobile-used fire-retardant Roof shell fabric as described in claim 1, it is characterised in that: fire-retardant ceiling precoat (1) is knitted side Expect structure.

3. automobile-used fire-retardant Roof shell fabric as described in claim 1, it is characterised in that: the resistance that the fire-retardant double-sided plush (3) includes Firing short flannel batt (31) length is 0.2-0.8 millimeters.

4. automobile-used fire-retardant Roof shell fabric as described in any one of claims 1-3, it is characterised in that: the fire-retardant double-sided plush (3) It is made of phosphor-containing halogen-free flame retardant polyester.

5. automobile-used fire-retardant Roof shell fabric according to claim 4, it is characterised in that: phosphor-containing halogen-free flame-retardant polyester material is this The fire-retardant phosphor-containing halogen-free Flame-retardant PET of matter.