CN208530359U - It is vehicle seat used - Google Patents
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- CN208530359U CN208530359U CN201820932705.0U CN201820932705U CN208530359U CN 208530359 U CN208530359 U CN 208530359U CN 201820932705 U CN201820932705 U CN 201820932705U CN 208530359 U CN208530359 U CN 208530359U
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Abstract
The purpose of this utility model is to provide vehicle seat used components excellent in adhesion a kind of vehicle seat used, that there is aforementioned vehicle seat the core pad of thermoplastic resin foam and the surface layer of polyurethane foam system to pad.Aforementioned vehicle seat covers vehicle seat used component by epidermis part, aforementioned vehicle seat component is made of core pad and surface layer pad, aforementioned core pad is made of thermoplastic resin foam, the folded upper surface for being adhered to the core pad of aforementioned surface layer bed course, it is made of polyurethane foam, it is characterized in that, at least part of the upper surface of aforementioned thermoplastic resin foaming body is made of the upper surface of expanded beads formed body, aforementioned expanded beads formed body is made of expanded beads group, aforementioned expanded beads group includes the expanded beads for having cementability modification polymer on surface, this on surface there are the expanded beads of cementability modification polymer to expose to the upper surface of the expanded beads formed body, the expanded beads are made of polyolefin-based resins.
Description
Technical field
The utility model relates to the seat of automobile, relate preferably to for the vehicle seat used of rear portion seat.
Background technique
In the past, it as the seat of automobile, is constituted by by the folded vehicle seat used component of epidermis part, surface layer pad, core bed course,
Aforementioned surface layer pad is configured at the inside of epidermis part, is made of flexible polyurethane foam, and aforementioned core pad compares surface layer by intensity, rigidity
Padded hard polyurethane foam is constituted.
In recent years, propylene resin foaming body is used as the material of substrate layer, reinforces the strong of vehicle seat used component
Degree, rigidity, and can be realized the lightweight of vehicle seat used component itself.
As such method for forming vehicle seat used component, following method is listed: configuring in shaping dies pre-
The foaming body for the composition core pad being initially formed, then, to the remaining space filled polyurethane foam in the mold configured with surface layer pad
Body liquid charging stock makes its foaming to form surface layer pad, the high surface layer of resiliency is directly thus laminated on the surface of core pad and pads.
But constitute core pad thermoplastic resin foam lack compared with previous hard polyurethane foam with by gathering
The cementability for the surface layer pad that urethane foams are constituted, so generating following new purpose: inhibiting the stripping between core pad and surface layer pad
From, it has to the seating for improving passenger is felt, supports sense decline, with grating of removing generation interlayer etc..
Utility model content
The purpose of this utility model is to provide a kind of vehicle seat used, aforementioned vehicle seat has thermoplastic resin hair
The vehicle seat used component excellent in adhesion of the surface layer pad of the core pad and polyurethane foam system of foam.
According to the utility model, vehicle seat used component as follows is provided.
[1] aforementioned vehicle seat covers vehicle seat used component by epidermis part, and aforementioned vehicle seat component is by core
Pad and surface layer pad are constituted, and aforementioned core pad is made of thermoplastic resin foam, and aforementioned surface layer bed course is folded to be adhered to the upper of the core pad
Surface is made of polyurethane foam, which is characterized in that at least part of the upper surface of aforementioned thermoplastic resin foaming body by
The upper surface of expanded beads formed body is constituted, and aforementioned expanded beads formed body is made of expanded beads group, aforementioned expanded beads group
Including having the expanded beads of cementability modification polymer on surface, there should be the foaming of cementability modification polymer on surface
Grain exposes to the upper surface of the expanded beads formed body, which is made of polyolefin-based resins.
[2] vehicle seat used described in aforementioned [1], which is characterized in that aforementioned cementability modification polymer is by polyolefin
The hybrid resin of resin, polystyrene resin and/or polyester based resin is constituted.
[3] vehicle seat used described in aforementioned [2], which is characterized in that constitute the polyene of aforementioned cementability modification polymer
The weight ratio of hydrocarbon system resin and polystyrene resin and/or polyester based resin is 15:85 ~ 90:10.
[4] vehicle seat used described in aforementioned [1] or [2], which is characterized in that constitute the polyolefin of aforementioned expanded beads
Resin is polypropylene-based resin.
[5] vehicle seat used described in aforementioned [1] or [2], which is characterized in that aforementioned core pad and aforementioned surface layer pad it is viscous
Connecing intensity is 0.05N/mm2More than.
[6] vehicle seat used described in aforementioned [2], which is characterized in that aforementioned vehicle seat covers vehicle by epidermis part
With seat component, aforementioned vehicle seat component is made of core pad and surface layer pad, and aforementioned core pad is by thermoplastic resin foam
It constitutes, the folded upper surface for being adhered to the core pad of aforementioned surface layer bed course is made of, which is characterized in that aforementioned heat polyurethane foam
Plastic resin foaming body is made of expanded beads formed body, and aforementioned expanded beads formed body on surface by having cementability modification poly-
Close object the mutual welding of expanded beads form, which is made of polyolefin-based resins, the cementability modify polymer by
The hybrid resin of polyolefin-based resins, polystyrene resin and/or polyester based resin is constituted.
Utility model effect
The utility model it is vehicle seat used in by core pad and the seat component that constitutes of surface layer pad, core pad and surface layer pad
It is excellent in adhesion, by inhibiting the removing of core pad and surface layer pad to feel the seating of passenger, supporting sense good, in addition,
It can reduce and prevent and treat the generation of the grating of core pad and surface layer pad.
Detailed description of the invention
Fig. 1 is the cross-sectional view for indicating the vehicle seat used construction of the utility model.Fig. 1 (A) is that vehicle-width direction is vertical
Cross-sectional view, Fig. 1 (B) are Chinese herbaceous peony rear direction vertical sectional views.
Fig. 2 is the explanatory diagram for constituting the vehicle seat used core pad of the utility model.Fig. 2 (a) is the top view of core pad, figure
2 (b) be the end view drawing of the b-b line of Fig. 2 (a), and Fig. 2 (c) is the end view drawing of the c-c line of Fig. 2 (a), and Fig. 2 (d1) is Fig. 2 (a)
The end view drawing of d1-d1 line, Fig. 2 (d2) are the end view drawings of the d2-d2 line of Fig. 2 (a), and Fig. 2 (d3) is the end of the d3-d3 line of Fig. 2 (a)
Face figure.
Fig. 3 is that on the vehicle seat used surface that is in of the utility model there is the cementability for core pad to modify polymer
The cross-sectional view of expanded beads.
Specific embodiment
Hereinafter, the vehicle seat used of the utility model is described in detail.
The vehicle seat used of the utility model is made of vehicle seat used component and well-known epidermis part, aforementioned vehicle
It is made of with seat component core pad and surface layer pad, aforementioned core pad (is also referred to as foaming body by thermoplastic resin foam below.)
It constitutes, the flexible polyurethane foam of upper surface of the aforementioned surface layer pad by lamination adhesive in the core pad is constituted, aforementioned well-known
Epidermis part cover the seat component, be made of synthetic resin, skin or cloth etc..Above-mentioned seat component passes through by flexibel polyurethane
The surface layer pad covering core of foam system pads upper surface and has resiliency, and core pad is made of aftermentioned specific foaming body, thus
It is light weight compared with previous hard polyaminoester, there is sufficient intensity, rigidity.In turn, the foaming body and polyurethane is viscous
Connecing property is excellent, so core pad and surface layer pad are bonded securely, it is not easy to remove.
In addition, the utility model is vehicle seat used from below according to the core pad as needed inserted with wire rod, surface layer
The vehicle seat used component of pad being arranged in order is covered by epidermis part, is installed on vehicle as seat.Therefore, thermoplastic resin is sent out
The upper surface of foam means that polyurethane foam is stacked the surface of the foaming body of the side of bonding.
In the present invention, at least part of the upper surface of core pad is formed by expanded beads formed body, aforementioned foaming
Shaping particles body is made of expanded beads group, and aforementioned expanded beads group includes the foaming for having cementability modification polymer on surface
Particle.
Therefore, in the present invention, in the upper surface of core pad, there is the foaming of cementability modification polymer on surface
Grain exposes.Illustrating as core pad has 1. will to have the expanded beads of cementability modification polymer as obtained by mould internal shaping on surface
The expanded beads formed body that arrives, 2. will have the expanded beads of cementability modification polymer on surface and not have bonding on surface
Property modification polymer expanded beads mixed foaming particle by the obtained expanded beads formed body of mould internal shaping or 3. will
On surface there are the expanded beads of cementability modification polymer to be embedded in by the obtained expanded beads formed body of mould internal shaping
The upper surface of the foaming body of upper surface, the expanded beads formed body is located at the upper surface of core pad, thus it enables that having on surface
The expanded beads of cementability modification polymer expose to the upper surface of core pad.
In the range that can be realized the desired purpose of the utility model, it can adjust to have on surface and expose to core pad
The ratio of the expanded beads of the cementability modification polymer of upper surface.
Viewpoint, the viewpoint of the generation for the fricative for inhibiting core pad and surface layer to pad from the cementability for improving core pad and surface layer pad
It sets out, there is the foamed polyolefin resin particle of aforementioned cementability modification polymer on surface when the overlook view of core pad
Area is preferably 50% or more relative to the ratio of the area of core pad, and more preferably 60% or more, further preferably 70% or more,
Particularly preferably 80% or more.In addition, the overlook view of core pad refers to, when core pad is installed on vehicle in the height side of vehicle
Look up the overlook view of the upper surface of core pad.
The substrate resin of thermoplastic resin foam for constituting core pad is not specifically limited, but from the light of obtained core pad
From the perspective of amount property, mechanical properties, it is preferred to use polyolefin-based resins.As polyolefin-based resins, ethylene-can be illustrated
The polypropylene-based resins such as propylene copolymer, propene-1-butene copolymer, ene-propylene-butene terpolymer, Noblen,
The polyethylene-based resins such as low density polyethylene (LDPE), straight-chain low density polyethylene (LDPE).
The cementability modification polymer of the utility model can select in the range of realizing the purpose of this utility model, effect
Select the polymer of the cementability of display and polyurethane.In addition, cementability modification polymer is not covered with expanded beads entirety
Necessity, forming method are also not specifically limited.
As the method that the surface to expanded beads assigns cementability modification polymer, method can be listed below: aftermentioned
Coextrusion forming process, pass through the resin particle before foaming or expanded beads and cementability modify polymer powder and put into mixing machine
It heats, mixes etc. by the two, cementability modification polymer is made to be attached to the method etc. on the surface of resin particle, expanded beads.
Hereinafter, the core pad about the utility model, shown in Fig. 3 more with what is be made of the sandwich layer of foamed state and coating
Expanded beads formed body for example bright the utility model made of the layer mutual welding of expanded beads.In addition, this multilayer foamed
The coating of grain means that surface has the cementability modification polymer of the expanded beads of cementability modification polymer.
(resin of coating)
The case where being made of to the coating (cementability modification polymer) of multilayer foamed particle hybrid resin is illustrated.
The coating of multilayer foamed particle is preferably by polyolefin-based resins (A1) and polystyrene resin and/or polyester based resin
(B) hybrid resin is constituted.That is, the hybrid resin for constituting coating is preferably (i) polyolefin-based resins and polystyrene tree
The hybrid resin of rouge, the hybrid resin of (ii) polyolefin-based resins and polyester based resin, (iii) polyolefin-based resins and polyphenyl second
Some of the hybrid resin of alkene system resin and polyester based resin.
Aforementioned polyolefins system resin (A1) and polystyrene resin and/or polyester based resin (B) weight ratio (A1:
It B) is preferably 15:85 ~ 90:10.It is viscous with sandwich layer by making the weight ratio above range of hybrid resin in the coating
It connects that intensity is good, is difficult to generate the removing between sandwich layer and coating when by expanded beads mould internal shaping, so can stablize
Ground obtains good expanded beads formed body, furthermore it is possible to improve the cementability of itself and polyurethane foam steadily.From upper
It states viewpoint to set out, the weight ratio (A1:B) constituted in the hybrid resin of the coating is more preferably 20:80 ~ 85:15, especially
Preferably 30:70 ~ 80:20.
In addition, the weight ratio (A1:B) is in the case where aforementioned (iii), it is meant that the weight of polyolefin-based resins
(A1), the weight ratio of total weight (B) of polystyrene resin and polyester based resin.
(polyolefin-based resins (A1) of coating)
As constitute aforementioned covering layer polyolefin-based resins (A1), enumerate polyethylene-based resin, polypropylene-based resin, into
And enumerate the mixture more than both etc..
In addition, constituting the polyolefin of the hybrid resin of coating from the viewpoint of the cementability of sandwich layer and coating
Resin (A1) is preferably the resin of the same race with the polyolefin-based resins (A2) of composition sandwich layer.
(polystyrene resin of coating)
As the polystyrene resin for constituting coating, polymer, the styrenic monomers of styrenic monomers are enumerated
With the copolymer of other monomers etc..Specifically, polystyrene, rubber modified polystyrene, styrene-acrylonitrile copolymerization are enumerated
Object, styrene-acryl copolymer, styrene-anhydrous maleic acid copolymer etc..
(polyester based resin of coating)
In addition, illustrating aliphatic polyester and aromatic polyester as the polyester based resin for constituting coating.Specifically, it enumerates
Poly butylene succinate, polyadipate, polylactic acid, polyethylene terephthalate, polybutylene terephthalate etc..On
It states in polyester based resin, the mutual weldability of expanded beads when from mould internal shaping and goes out with the viewpoint excellent in adhesion of polyurethane
Hair, it is preferable to use aliphatic polyester or non-crystalline polyester.
Above-mentioned non-crystalline polyester refers to, is based on JIS K7121 (1987), using " measurement is molten after carrying out certain heat treatment
(heating speed and cooling velocity of the status adjustment of test film are 10 DEG C/minute to the case where solving temperature ".), it is poor using heat stream
Show scanning calorimetry device, obtained DSC curve under conditions of 10 DEG C/minute of heating speed, with polyester based resin
The endothermic peak of melting is less than 5J/g (including 0.) polyester.
(phase solvation)
It, can be relative to the polyolefin-based resins (A1) and polyphenyl for being constituted coating in the hybrid resin for constituting coating
100 parts by weight of hybrid resin of vinylite and/or polyester based resin, preferably 1 ~ 20 parts by weight, more preferable 5 ~ 15 parts by weight,
The amount of further preferred 7 ~ 13 parts by weight cooperates phase solvation.As phase solvation, such as enumerate polystyrene thermoplastic elastic
Body, maleated polyolefin etc..
(the polyolefin-based resins A2 of sandwich layer)
The polyolefin-based resins (A2) for constituting the sandwich layer of aforenoted multi-layer expanded beads illustrate and aforementioned polyolefins system resin
(A1) identical resin.In them, from the balancing good of light weight and mechanical properties preferably polypropylene-based resin.
In aforenoted multi-layer expanded beads, be formed with sandwich layer resin and be formed with coating resin weight ratio from
Rigidity, the intensity of core pad are maintained, from the perspective of the cementability for improving core pad and surface layer pad, preferably 99.5:0.5 ~ 70:30,
More preferably 99:1 ~ 80:20, particularly preferably 97:3 ~ 90:10.
(manufacturing method of multilayer foamed particle)
The multilayer foamed particle being made of the sandwich layer of foamed state and coating can be by making by the core of non-foamed state
The multi-layer resinous granule foaming that layer and coating are constituted obtains.Multi-layer resinous particle can by method well known to its own,
Such as by being recorded in Japanese Patent Publication 41-16125 bulletin, Japanese Patent Publication 43-23858 bulletin, Japanese Patent Publication 44-
The coetrusion of No. 29522 bulletins, Japanese Unexamined Patent Application 60-185816 bulletin etc. manufactures.
As the foaming method of multi-layer resinous particle, divide aforenoted multi-layer resin particle in the closed container that can be pressurizeed
It dissipates in aqueous mediums such as the water for being added with dispersing agent.Then, the foaming agent of the desired amount is pressed under set temperature, pressure and is held
In device, foaming agent is made to be impregnated in resin particle.It hereafter, will be in content and the specific volume device in the same direction of aqueous medium one out of pressurizing vessel
The low-pressure region forced down, which is released, makes core layer foaming.Multilayer foamed particle can be manufactured in this way (to be referred to as this method disperse to be situated between below
Matter releases foaming method.).
In the present invention, foaming agent is usually using physical blowing agent, such as can be by the aliphatic hydrocarbons such as butane, two
Inorganic system's physical blowing agent such as carbonoxide is individually or mixing is two or more uses.
Surface has light weight of the apparent density of the expanded beads of cementability modification polymer from expanded beads formed body
Polyurethane foam is formed in vehicle seat used shape components mold and is used with the preferable viewpoint of balance of mechanical properties, raising
Raw material is supplied to the upper surface of thermoplastic resin foam come from the perspective of cementability when being bonded, preferably 10 ~ 300kg/
m3, more preferably 15 ~ 150kg/m3, more preferably 20 ~ 100kg/m3, particularly preferably 30 ~ 80kg/m3。
(manufacturing method of expanded beads formed body)
The manufacturing method for constituting the expanded beads formed body of core pad can be by using the foaming of well known shaping dies
The mould internal shaping method of grain manufactures.
(manufacturing method of vehicle seat used component and polyurethane foam)
Constitute the upper surface lamination adhesive of the vehicle seat used vehicle seat used component in aforementioned core pad of the utility model
There is the surface layer being made of polyurethane foam pad.The seat component makes the polyurethane foam raw material of liquid in aforementioned core pad
Upper surface foaming, solidification, the upper surface stacking for being thus formed in core pad are bonded with the seat component of surface layer pad.
For example, in the shaping dies of polyurethane foam stacking, to the poly- of the upper surface of aforementioned core pad supply liquid
Urethane foams raw material, makes aforementioned raw material foam in shaping dies, and polyurethane foam, and energy is consequently formed in solidification
Access the vehicle seat used component that lamination adhesive has core pad and polyurethane foam.
The polyurethane foam raw material of the liquid of manufacture for polyurethane foam can suitably use well known material
Material, can include poly- polyurethane and various foaming agents etc..In addition, amount of polyurethane foam raw material of liquid etc. also can be with
The density of desired polyurethane foam cooperates to suitably set.
From the viewpoint of cementability, the adhesive strength of core pad and surface layer pad is preferably 0.05N/mm2More than.The bonding is strong
Degree can be based on being measured according to the disbonded test of the method for JIS K 6850 (1999).In addition, the measurement of adhesive strength uses
The adhesive strength of measurement site more than randomly selected 5 positions of lamination surface that the upper surface portion of core pad and surface layer pad
The adhesive strength that arithmetic mean of instantaneous value is padded as core pad and surface layer.
The portions of the vehicle seat used buttocks for being configured to be applied to bearing human body of the utility model support human body
The chair back at back.
Embodiment
Then, the utility model is illustrated according to embodiment in further detail.But the utility model is not at all by these
Example limits.
Embodiment 1 ~ 6
The manufacture > of the multi-layer resinous particle of <
Sandwich layer formation extruder and coating (cementability modification polymer) formation use are linked with using in coextrusion die
The co-extrusion device of extruder.
Extruder supply is used to be expressed as polyolefin-based resins (A2) ethylene-the third of " PP1 " in table 1 to sandwich layer formation
Olefinic random copolymer (ethylene content: 2.8%, fusing point: 143 DEG C, MFR (230 DEG C, 2.16kgf): 5.1g/10min), to covering
Layer forms the hybrid resin described in extruder supply schedule 1, and melting mixes respectively.
In addition, " PP2 " in table 1 be ethylene-propylene random copolymerization (3.5 weight % of ethylene content, fusing point: 125 DEG C,
MFR (230 DEG C, 2.16kgf): 7 (g/10min)), " PLA " in table 1 is the non-of natural engineering (NatureWorks) corporation
Crystalline substance polylactic resin (trade name: 4060D, caloric receptivity 0J/g, Vicat softening point: 58 DEG C, 11.8 weight %, MFR of D body content
(190 DEG C, 2.16kgf): 4.4 (g/10min)), in contrast, as end blockade agent, add bis- (dipropyls of bright victory corporation
Base phenyl) carbodiimides (trade name: Stabaxol 1-LF) 1.5phr, the resin for being expressed as " PS " in table 1 is PS days
This Co. Ltd. system polystyrene resin (GPPS, class name: HF77, glass transition temperature: 97 DEG C, MFR (200 DEG C,
5kgf): 7.5 (g/10min)), " PP2 " " PLA " " PS " of hybrid resin is by with the mixing of weight ratio shown in table 1.In addition, mixing
In resin, as phase solvation, by the styrene series elastomer of JSR Corp. (SBS, trade name: TR2250, styrene/
Rubber=52/48, MFR (190 DEG C, 2.16kgf): 0.7 (g/10min)) relative to constitute hybrid resin resin total amount
100 parts by weight (being wherein free of the weight of compatibility agent) 11 parts by weight of addition.
The polyolefin-based resins (A2) and hybrid resin that mixing is melted in extruder are with sandwich layer/coating weight ratio
Example is laminated in mould for 95/5 mode to coextrusion die supply, squeezes out from the pore for the metal mouth for being installed on extruder end
The outer peripheral surface of sandwich layer is coated the laminated body of the section circle of cap rock covering, after the laminated body water cooling being extruded, by pelletizer
It is cut off in such a way that the weight of each is substantially 1.5mg, it is dry to obtain multi-layer resinous particle.
In addition, for the polyolefin-based resins of sandwich layer, as bladder regulator by zinc borate with its content for 1000 weight
The mode of ppm supplies.
The manufacture > of the multilayer foamed particle of <
Then, obtained multi-layer resinous particle 1kg and the water 3L mono- as decentralized medium had into blender in the same direction
Investment in the closed container of 5L, and then in a dispersion medium, relative to the multi-layer resinous particle of 100 parts by weight, add 0.3 weight
The kaolin of part adds the surfactant (trade name: Nei Aogen (ネ that active ingredient amount is 0.004 parts by weight as dispersing agent
オ ゲ Application) S-20F, the first industrial pharmaceutical corporation, sodium alkyl benzene sulfonate), the amount of table 1 is shown in the state addition of dry ice
Carbon dioxide is as foaming agent.
Then, it is warming up to 5 DEG C of temperature lower than blowing temperature shown in table 1, while container for stirring with the temperature
It is kept for 15 minutes.Later, it is warming up to the blowing temperature of each embodiment, with temperature holding 15 minutes.
Later, by carbon dioxide to applying back pressure in container, while content being released under atmospheric pressure, obtains table 1
Shown in apparent density multilayer foamed particle.
The manufacture > of < expanded beads formed body
Enter compressed air to the vessel internal pressure for accommodating obtained multilayer foamed particle, obtains making particle internal pressure
0.10MPa (G) is (in addition, (G) means gauge pressure.) multilayer foamed particle.Then, by the multilayer foamed particle to vertical 200mm
Filling in a pair of of mold of the plate forming of × horizontal 250mm × thickness 50mm, by based on steam-heated press molding come into
Row mould internal shaping obtains the expanded beads formed body of plate.Heating at this time is the shape in the exhaust valve for the mold for opening two sides
5 seconds steam is supplied under state to carry out after preparing heating (deairing step), with the pressure of (G) 0.04MPa lower than this heated pressure
One-way heating is carried out, and then with the pressure of (G) 0.02MPa lower than this heated pressure after the unidirectional side's heating of opposite direction progress, with
Forming steam pressure 0.22MPa (G) carries out this heating.
It after heating, will be bled off pressure in mold, by formed body water cooling in the mold of the foaming power based on formed body
After the pressure on surface drops to 0.04MPa (G), mold is opened, formed body is taken out from mold.By obtained formed body 80
DEG C oven in maintenance 12 hours, later, by formed body slow cooling, thus obtain expanded beads formed body.By obtained foaming
The physical property table of shaping particles body is shown in table 1.
The production > of the laminated body of < expanded beads formed body and polyurethane foam
According to " the tensile shear adhesive strength test side of the glued part of bonding agent-rigidity of JIS K 6850 (1999)
Method " makes the laminated body of expanded beads formed body and polyurethane foam.
From expanded beads formed body to remain the test film that the state of the epidermis of the formed body cuts out two thickness 5mm.It is right
The epidermis side of the test film of one side applies polyurethane foam and is formed with material liquid (Henkel Japan system, " happy safe green bonding agent (グ リ
ー Application フ ォ ー system) "), and with obtained polyurethane foam with a thickness of 5mm, density 65kg/m3Mode, will
The test film of another party is arranged to fix in a manner of raw material by its epidermis face contact polyurethane foam formation.Then, will gather
Urethane foams formation material liquid with room temperature holding 48 hours, open system foaming come make its solidify after, it is extra to remove
Polyurethane foam, the size for obtaining bonding plane is the laminated body of 25mm × 12.5mm.In addition, in the laminated body of production, it is thick
The expanded beads formed body of degree 5mm is equivalent to glued part, and the polyurethane foam of thickness 5mm is equivalent to bonding agent.
[table 1]
" cementability of polyurethane foam and expanded beads formed body "
Disbonded test is carried out according to the method for JIS K 6850 (1999), with benchmark evaluation cementability below.In addition, surveying
Determine the adhesive strength of polyurethane foam and expanded beads formed body.
A: expanded beads formed body or polyurethane foam generating material destroy and generate polyurethane foam and foaming
The removing of grain formed body
X: peeling-off at the interface of expanded beads formed body and polyurethane
Comparative Examples 1 and 2
Resin is obtained same as Example 1ly other than not forming coating and only making the resin particle of sandwich layer
Grain, expanded beads, expanded beads formed body.In addition, obtained using obtained expanded beads formed body same as Example 1ly
To the laminated body of expanded beads formed body and polyurethane foam.These physical property tables are shown in Table 1.
Description of symbols
1 core pad, 2 surface layers pad, 3 epidermis parts, 4 car body floors, 5 multilayer foamed particles, 6 coverings
Layer, 7 sandwich layers.
Claims (8)
1. a kind of vehicle seat used, aforementioned vehicle seat covers vehicle seat used component, aforementioned vehicle seat by epidermis part
Chair component is made of core pad and surface layer pad, and aforementioned core pad is made of thermoplastic resin foam, and aforementioned surface layer bed course is folded to be adhered to
The upper surface of the core pad, is made of polyurethane foam, which is characterized in that
At least part of the upper surface of aforementioned thermoplastic resin foaming body is made of the upper surface of expanded beads formed body, aforementioned
Expanded beads formed body is made of expanded beads group, and aforementioned expanded beads group includes the expanded beads for having bonding agent on surface,
This on surface there are the expanded beads of bonding agent to expose to the upper surface of the expanded beads formed body.
2. as described in claim 1 vehicle seat used, which is characterized in that
The expanded beads are made of polyolefin-based resins.
3. as claimed in claim 2 vehicle seat used, which is characterized in that
Aforementioned bonding agent is made of the hybrid resin of polyolefin-based resins and polystyrene resin and/or polyester based resin.
4. as claimed in claim 3 vehicle seat used, which is characterized in that
The weight ratio of the polyolefin-based resins and polystyrene resin and/or polyester based resin that constitute aforementioned bonding agent is
15:85 ~ 90:10.
5. vehicle seat used as claimed in claim 2 or claim 3, which is characterized in that
The polyolefin-based resins for constituting aforementioned expanded beads are polypropylene-based resins.
6. vehicle seat used as claimed in claim 2 or claim 3, which is characterized in that
The adhesive strength of aforementioned core pad and aforementioned surface layer pad is 0.05N/mm2More than.
7. a kind of vehicle seat used, aforementioned vehicle seat covers vehicle seat used component, aforementioned vehicle seat by epidermis part
Chair component is made of core pad and surface layer pad, and aforementioned core pad is made of thermoplastic resin foam, and aforementioned surface layer bed course is folded to be adhered to
The upper surface of the core pad, is made of polyurethane foam, which is characterized in that
Aforementioned thermoplastic resin foaming body expanded beads formed body made of the mutual welding of expanded beads is constituted.
8. as claimed in claim 7 vehicle seat used, which is characterized in that
Aforementioned expanded beads have the compound tree of polyolefin-based resins and polystyrene resin and/or polyester based resin on surface
Rouge,
The expanded beads are made of polyolefin-based resins.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-118439 | 2017-06-16 | ||
| JP2017118439A JP6840630B2 (en) | 2017-06-16 | 2017-06-16 | Vehicle seat member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208530359U true CN208530359U (en) | 2019-02-22 |
Family
ID=65007247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820932705.0U Active CN208530359U (en) | 2017-06-16 | 2018-06-15 | It is vehicle seat used |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6840630B2 (en) |
| CN (1) | CN208530359U (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5667905B2 (en) * | 2011-02-17 | 2015-02-12 | 積水化成品工業株式会社 | LAMINATE MANUFACTURING METHOD AND LAMINATE |
| JP6291281B2 (en) * | 2014-02-19 | 2018-03-14 | 株式会社ジェイエスピー | LAMINATE MANUFACTURING METHOD, LAMINATE, AND Cushion Material |
| JP5829717B2 (en) * | 2014-03-27 | 2015-12-09 | 株式会社ジェイエスピー | Polyolefin resin foamed particles, foamed particle molded body, and composite laminate with the molded body |
| JP6080275B1 (en) * | 2015-08-12 | 2017-02-15 | 株式会社ジェイエスピー | Vehicle seat core and vehicle seat member |
-
2017
- 2017-06-16 JP JP2017118439A patent/JP6840630B2/en active Active
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2018
- 2018-06-15 CN CN201820932705.0U patent/CN208530359U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019001334A (en) | 2019-01-10 |
| JP6840630B2 (en) | 2021-03-10 |
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