CN205343942U - Natural fibre polymer fibre lamination automobile back of chair panel - Google Patents
Natural fibre polymer fibre lamination automobile back of chair panel Download PDFInfo
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- CN205343942U CN205343942U CN201520836499.XU CN201520836499U CN205343942U CN 205343942 U CN205343942 U CN 205343942U CN 201520836499 U CN201520836499 U CN 201520836499U CN 205343942 U CN205343942 U CN 205343942U
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Abstract
The utility model discloses a natural fibre polymer fibre lamination automobile back of chair panel, suppress the compound integral type panel that forms including first surface course, sandwich layer, second surface course through toasting, first surface course and second surface course are the non -woven fabrics, and the sandwich layer is the mixed fibre board, and the mixed fibre board uses natural fibre and polymer fibre to suppress as main component's acupuncture felt to form. This car back of the chair panel has that the dead weight is light, density is little, the gas permeability is good, intensity and the good characteristics of toughness.
Description
Technical field
This utility model relates to sheet material field, is specifically related to a kind of natural fiber/polymer fiber lamination back of seat for vehicle sheet material.
Background technology
Chair back sheet material of the prior art mainly has metal material, solid wood material, high molecular polymer material, plywood, density board and particieboard material.Further, as automobile seat backboard, it is necessary to take into account intensity, thickness and weight: when namely unlike material backboard has same intensity, thickness is little as far as possible, reaches the maximized demand of inner space of vehicle；Meanwhile, in order to adapt to the development trend of automotive light weight technology, in addition it is also necessary to weight is minimized.
The seat back intensity that metal material (is generally steel plate) is high, and thickness is little, but shortcoming is in that weight is big, and the elastic limit of steel plate is less, and plastic deformation easily occurs, and needs to disassemble seat taking-up steel plate, then steel plate is corrected during maintenance.In general, sheet metal is difficult to judge whether that rectification puts in place when correcting, and therefore its rectification difficulty is big.Therefore to have maintenance cost higher for the seat back of metal material.The seat back toughness that the various conventional solid wood Zelkova schneideriana Hand.-Mazz. of solid wood material, Masson Pine, Lignum seu Ramulus Cunninghamiae Lanceolatae are made is not strong, and there is very strong fragility, and high-grade solid wood such as the unit price such as cherry, Quercus acutissima Carr., elm is higher, the seat back thickness reaching same intensity is bigger, and automobile seat backboard consumption is huge, applies to large-scale production.A kind of automotive seat foaming plate adopting polypropylene and polyethylene mixed foaming by a certain percentage disclosed in CN103304889A, utilize the pore within foaming plate, reduce sheet material and the probability of " broken needle " in textile sewing process, the density and hardness of backboard can be reduced simultaneously, the weight of backboard can be reduced to a certain extent, but fragility increases after pointing out foaming in description simultaneously, the lower backboard of strong shock is susceptible to fracture, is unfavorable for the safety of personnel by bus.The seat back of plywood material has certain intensity and toughness, but its intensity depends primarily on the kind of glue, and poor stability.Density board and particieboard are with timber for raw material, and major part particieboard is internal be internal for nutty structure, are not easy to milling type, and easily cause the phenomenon of sudden and violent tooth when cutting out plate, and process equipment requirement is higher.Density board fibre board intensity relatively particieboard is poor.It addition, density board smooth surface of the prior art is smooth, material is fine and closely woven, according to the mold pressing flat board with pitted skin, density board being embossed, the stiction between produced surface and textile is not strong, does not reach the instructions for use of chair back sheet material.
Utility model content
The purpose of this utility model is in that to overcome the defect existed in prior art, it is provided that a kind of natural fiber/polymer fiber lamination back of seat for vehicle sheet material from heavy and light, intensity height and good-toughness.
For achieving the above object, the technical solution of the utility model is: a kind of natural fiber/polymer fiber lamination back of seat for vehicle sheet material, it is characterized in that, including the integral type sheet material that the first surface layer, sandwich layer, the second toasted compacting of surface layer are composited, described first surface layer and the second surface layer are non-woven fabrics, and sandwich layer is polypropylene hemp fibre board.The needle punched felt that polypropylene hemp fibre board is main component with natural fiber and polymer fiber is suppressed, and polymer fiber is polypropylene, and described natural fiber is at least one in ramee, flax fiber, Corchorus olitorius L. and abaca fibre.
The mixed proportion of natural fiber and polymer fiber depends on the requirement of strength of sheet material, is that in described composite fibre plate, the percentage by weight of natural fiber is 30～70% through preferred technical scheme.As preferably, natural fiber is 45～55% with the percentage by weight of natural fiber in the composite fibre plate of polymer fiber felt compacting, natural fiber and polymer fiber have certain length, acupuncture makes mutually to tangle between two kinds of fibers, it is more or less the same according to the content of two kinds of fibers in the fibre matting of proportional arrangement in preferred version, bonding interface area that is toasted and that suppress between latter two fiber is bigger, is favorably improved the overall intensity of sheet material and toughness.The selection of polymer fiber: can be chinlon, acrylon, polypropylene, polyvinyl, terylene.
Preferred technical scheme is, the fiber composition of non-woven fabrics is identical with the polymer fiber material in needle punched felt.Said structure contributes to the compacting compound between the non-woven fabrics of surface layer and sandwich layer, it is to avoid the phenomenon peeled off after there is long-time use.
Preferred technical scheme is, described first surface layer and/or the second surface layer arranged outside have flexible textile layer or spray pile layer.Concrete can by mode for dispensing glue realize between textile layer and the first surface layer, the second surface layer bonding.It is preferred that non-woven fabrics kind be needle punched non-woven fabrics, the more other kinds of nonwoven surface of needle punched non-woven fabrics is more coarse, contribute to the confficient of static friction between bond area and the two-layer increasing between itself and flexible textile layer, thus increasing the adhesive strength of the first surface layer and/or the second surface layer and flexible textile layer.
Preferred technical scheme is, described polymer fiber is polypropylene, and described natural fiber is at least one in ramee, flax fiber, Corchorus olitorius L. and abaca fibre.Polypropylene has that quality is light, deform adaptable feature, and quality gently can reduce the deadweight of chair back sheet material, deforms adaptable, contributes to increasing the toughness of chair back sheet material, and after pressurized, sheet material has certain resilience.
Preferred technical scheme is, also includes fortifying fibre in described composite fibre plate, and fortifying fibre is at least one in basalt continuous fiber and wheat straw micro-nano fibril, and it is 0.1～5% that the weight of fortifying fibre accounts for the percentage by weight of composite fibre plate.
Advantage of the present utility model and having the beneficial effects that:
This utility model is by being pressed into integral type sheet material in natural fiber/polymer fiber composite fibre plate surface configuration nonwoven layer, wherein natural fiber is at least one in flaxen fiber, bamboo fibre, monkey grass and the wood fiber, utilizing poisture-penetrability and the breathability of natural fiber, backboard sheet material breathability is excellent；
Plate surface is coarse and the fiber lack of alignment on top layer, it is simple to formed effectively bonding with textile etc.；
Back of seat for vehicle sheet material of the present utility model does not adopt adhesive, the environmental requirement of automotive compounded use sheet material.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model natural fiber/polymer fiber lamination back of seat for vehicle sheet material embodiment 1；
Fig. 2 is the structural representation of this utility model natural fiber/polymer fiber lamination back of seat for vehicle sheet material embodiment 2.
In figure: 1, the first surface layer；2, the second surface layer；3, composite fibre plate；4, flexible textile layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described.Following example are only for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
Embodiment 1
As shown in Figure 1, embodiment 1(table is called for short S1, natural fiber/polymer fiber lamination back of seat for vehicle sheet material down together), including the integral type sheet material that the first surface layer, sandwich layer, the second toasted compacting of surface layer are composited, described first surface layer and the second surface layer are non-woven fabrics, sandwich layer is composite fibre plate, and composite fibre plate is that the needle punched felt being main component with natural fiber and polymer fiber is suppressed, and natural fiber is monkey grass.
In composite fibre plate, the percentage by weight of monkey grass is 50%, and all the other are polymer fiber, and the polymer fiber of embodiment 1 is terylene, and non-woven fabrics is terylene non-woven fabric.Composite fibre plate in embodiment 1 does not include fortifying fibre.
The production method of the back of seat for vehicle sheet material of embodiment 1 comprises the steps:
The first step: natural fiber and polymer fiber are mixed in proportion carding, after lapping multilamellar, composite fibre felt is made in acupuncture；
Second step: with composite fibre felt stacking, the non-woven fabrics as the first surface layer and the second surface layer is obtained laminated fabric felt, laminated fabric felt is once toasted, then once suppresses the laminated fabric felt after once baking, obtains and once suppress composite board.The process conditions once toasted are: baking temperature 210～220 DEG C, and once baking duration is 50s；The process conditions once suppressed are: a pressing pressure is 1.5Mpa, and once compacting duration is 200s；
3rd step: the once compacting composite board of second step gained is carried out secondary baking, then carries out secondary compacting to the once compacting composite board after baking, obtains secondary compacting composite board.The process conditions of secondary baking are: secondary baking temperature 220～230 DEG C, and secondary baking duration is 110s；The process conditions of secondary compacting are: secondary pressing pressure 9Mpa, and secondary compacting duration is 120s.
4th step: the secondary of the 3rd step gained being suppressed composite board and colds pressing heat treatment, the process conditions of heat treatment of colding pressing are: temperature of colding pressing 0～3 DEG C, and cold pressing pressure 8Mpa, and cold pressing treatment duration is 100s, obtain lamination chair back sheet material finished product.
Embodiment 2
As in figure 2 it is shown, embodiment 2 and embodiment 1 are distinctive in that: in embodiment 2, the first surface layer of back of seat for vehicle sheet material and the second surface layer arranged outside have flexible textile layer.
Fiber in composite fibre plate is flaxen fiber, is specially ramee, and polymer fiber is acrylon, and non-woven fabrics is nonwoven polypropylene fabric；Composite fibre plate in embodiment 2 does not include fortifying fibre.
The production method of back of seat for vehicle sheet material needs to increase the step of bonding flexible textile layer after sizing of colding pressing.For avoiding the impact on properties of product of the flexible textile layer, the sheet material that the technical specification detection of product obtains for sizing of colding pressing carries out.
Embodiment 3
Embodiment 3 and embodiment 1 are distinctive in that, the fiber in composite fibre plate is the mixing of the wood fiber and bamboo fibre, and mixed weight ratio is for 1:1, and polymer fiber is polyvinyl, and non-woven fabrics is terylene non-woven fabric.Composite fibre plate in embodiment 3 does not include fortifying fibre.
Embodiment 4
Embodiment 4 and embodiment 1 are distinctive in that, the natural fiber in composite fibre plate is tossa and abaca fibre, and mixed weight ratio is for 1:2, and polymer fiber is polypropylene, and non-woven fabrics is nonwoven polypropylene fabric.Composite fibre plate in embodiment 4 does not include fortifying fibre.
Embodiment 5
Embodiment 5 and embodiment 4 are distinctive in that, the natural fiber percentage by weight in composite fibre plate is 30%.
Embodiment 6
Embodiment 6 and embodiment 4 are distinctive in that, the natural fiber percentage by weight in composite fibre plate is 70%.
Embodiment 7
Embodiment 6 is in that from the different of embodiment 4, adds 5% fortifying fibre in composite fibre plate, and fortifying fibre is basalt continuous fiber.
Embodiment 8
Embodiment 8 is in that from the different of embodiment 4, adds 0.1% fortifying fibre in composite fibre plate, and fortifying fibre is wheat straw micro-nano fibril.
Comparative example 1
In comparative example 1(table be called for short D1, lower with) sheet material composition with embodiment 4 identical, merely through once toasting compression process；
Comparative example 2
The sheet material composition of comparative example 2 is identical with embodiment 4, through once toasting compacting and twice baking compression process, not to its heat treatment of colding pressing.
The production method technological parameter of back of seat for vehicle sheet material is shown in following table:
According to DIN52352 test standard, to the bending modulus of performance under product initial condition normal condition, (T represents laterally the sample of embodiment 1-8 and comparative example 1-2, L represents longitudinally), bending strength and tensile strength detects, and according to SAEJ315 test standard, the water absorption rate of sample is detected, detected value is as follows:
The contrast of each factor of above-described embodiment finds:
The selection of natural fiber: can be flaxen fiber, bamboo fibre, palm fibre fiber and the wood fiber, being preferably flaxen fiber, reason is in that flaxen fiber has higher stretch modulus, absorbing sound and lowering noise better effects if compared with other fibers, what wherein more have choosing is Boehmeria, Corchorus olitorius L. and abaca, and its fibre strength is more excellent.
The selection of polymer fiber: can be chinlon, acrylon, polypropylene, polyvinyl, terylene, it can also be two or more mixing in polymer fiber in above-mentioned five, it is preferably polypropylene, its reason with, flaxen fiber is high temperature resistant, its mechanical strength strengthens with the rising of temperature within the specific limits, it is best that temperature reaches its mechanical strength when 180～190 DEG C, temperature is too high can destroy fibrous tissue, the mechanical strength making flaxen fiber sharply declines, polypropylene fusing point is 158～180 DEG C, the fusing point of other polymer fibers has higher, have relatively low, therefore polypropylene can make the mechanical strength of composite fibre plate more optimize.The polymer fiber bonding degree that can strengthen surface layer with sandwich layer between identical with the Fiber Materials of non-woven fabrics, in embodiment 2 and 3 after hot-water soak 4 hours, there is bubble in interlayer, and it is that polymer fusion is bonding with the bonding interface of sandwich layer that embodiment 1 and 4 microscope observes surface layer.
The ratio of natural fiber and polymer fiber: the mechanical strength that multipair increase laminate crossed by polypropylene is useful, but difficulty of processing can be increased simultaneously, particularly when laminate is carried out fly-cutting, the heat that fly-cutting moment produces can cause that the polypropylene of incision softens；Contrary, natural fiber is too much, owing to the binding ability between natural fiber and metallic plate is poor, can reduce the peel strength of laminate.
Back of seat for vehicle sheet material is had obvious reinforced effects by fortifying fibre, sample performance contrast can draw, the reinforced effects of the wheat straw micro-nano fibril that density low-intensity is high is better than basalt continuous fiber.
Non-woven fabrics is preferably needle punched non-woven fabrics, and the thickness of needle punched non-woven fabrics is 1～5mm.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the premise without departing from this utility model know-why; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (3)
1. natural fiber/polymer fiber lamination back of seat for vehicle sheet material, it is characterized in that, including the integral type sheet material that the first surface layer, sandwich layer, the second toasted compacting of surface layer are composited, described first surface layer and the second surface layer are non-woven fabrics, sandwich layer is composite fibre plate, and composite fibre plate is polypropylene hemp fibre board.
2. natural fiber according to claim 1/polymer fiber lamination back of seat for vehicle sheet material, it is characterised in that the fiber of non-woven fabrics consists of polypropylene.
3. natural fiber according to claim 1/polymer fiber lamination back of seat for vehicle sheet material, it is characterised in that described first surface layer and/or the second surface layer arranged outside have flexible textile layer or spray pile layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520836499.XU CN205343942U (en) | 2015-10-27 | 2015-10-27 | Natural fibre polymer fibre lamination automobile back of chair panel |
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| CN201520836499.XU CN205343942U (en) | 2015-10-27 | 2015-10-27 | Natural fibre polymer fibre lamination automobile back of chair panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775861A (en) * | 2016-08-31 | 2018-03-09 | 昆山吉美川纤维科技有限公司 | A kind of seat back and preparation method thereof |
| CN108342834A (en) * | 2018-02-28 | 2018-07-31 | 中国林业科学研究院木材工业研究所 | A kind of flexible interpenetrating networks porous material and preparation method can be used for molding |
| CN108790987A (en) * | 2017-05-04 | 2018-11-13 | 李尔公司 | The armchair structure made of biological fiber composite material |
| CN113795323A (en) * | 2019-05-13 | 2021-12-14 | 东洋纺株式会社 | Filter medium for filter and filter |
-
2015
- 2015-10-27 CN CN201520836499.XU patent/CN205343942U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775861A (en) * | 2016-08-31 | 2018-03-09 | 昆山吉美川纤维科技有限公司 | A kind of seat back and preparation method thereof |
| CN108790987A (en) * | 2017-05-04 | 2018-11-13 | 李尔公司 | The armchair structure made of biological fiber composite material |
| US10766388B2 (en) | 2017-05-04 | 2020-09-08 | Lear Corporation | Seat structure made of bio fiber composite material |
| CN108342834A (en) * | 2018-02-28 | 2018-07-31 | 中国林业科学研究院木材工业研究所 | A kind of flexible interpenetrating networks porous material and preparation method can be used for molding |
| CN113795323A (en) * | 2019-05-13 | 2021-12-14 | 东洋纺株式会社 | Filter medium for filter and filter |
| CN113795323B (en) * | 2019-05-13 | 2023-11-28 | 东洋纺Mc株式会社 | Filter medium for filter and filter |
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