CN206475472U - Poromeric elastic body structure - Google Patents
Poromeric elastic body structure Download PDFInfo
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- CN206475472U CN206475472U CN201621225891.1U CN201621225891U CN206475472U CN 206475472 U CN206475472 U CN 206475472U CN 201621225891 U CN201621225891 U CN 201621225891U CN 206475472 U CN206475472 U CN 206475472U
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- elastic body
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- expanded beads
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Abstract
The utility model provides a kind of poromeric elastic body structure, and the poromeric elastic body structure includes tack coat and the fixed cementing expanded beads in the tack coat；The tack coat is by in-molded formation air-vent, and the air-vent respectively there is a complete hole wall to enclose the relative Two-port netwerk for setting and constituting the air-vent.Expanded beads are fixed into cementing formation foaming elastomer by tack coat, and poromeric elastic body of the foaming elastomer formation with air-vent is made by mould internal shaping technology, solve existing foaming elastomer air permeability not enough, and the heating pressurization fusion directly in mould causes to improve manufacturing cost, expanded particle and poor fluidity and is difficult thermally equivalent in a mold prior art by expanded particle, or increase processing difficulties degree is caused with secondary operation formation air-vent and the technical problem of yield is reduced.The utility model makes the advantageous effects such as the increase of construction machine intensity, lightweight, simplified procedure of processing, the reduction processing cost of foaming elastomer by preceding solution.
Description
Technical field
The utility model is related to processing and the product structure design technical field of foaming elastomer, relates in particular to one kind
Poromeric elastic body structure with air-vent.
Background technology
The constituent material of current foaming elastomer mainly has PU, EVA, POE, PCP etc., and the material has different production works
Skill, wherein, PU is mainly two-liquid type chemical reaction natural foaming, and EVA, POE, PCP etc. are then addition foaming agent foams, are separately had
Mucell technologies and polyalkene foaming.
It is worth noting that, those foaming elastomers have coated air or other gases, have caused heat-insulated effect because of density reduction
Fruit is good, but also when applied to cushion, mattress, chest pad, pillow etc. and the article of contact human skin, easily cause it is sultry with
It is uncomfortable.
In order to solve the technical problem that foregoing foaming material air permeability is not good, in the prior art by expanded particle by
Heating pressurization, so that expanded particle is fully fused each other, and shapes the foaming elastomer after solidification via die cavity structure in mould
There is air-vent, improve the not good situation of air permeability.However, in this technical scheme, in order that expanded particle is fully fused each other,
High heating steam pressure is needed, the cost of manufacturing cost is uprised；And expanded particle in a mold heat fused when flowing
Property it is poor, and then be difficult thermally equivalent, make that the degree of difficulty of machining control increases and yield is difficult technical problem more than 75%.
Therefore, multiple hole foaming elastomer can be typically manufactured using the method for secondary operation, such as to shaping after
Foaming elastomer is punched, but in this technical scheme, impulsive force during punching influences the power of punching easily by elastomeric absorbent
Road and position accuracy, not only yield is low, expend the man-hour of secondary operation and have lost the expanded material originally in hole.
It is caused to be difficult and such as film, cloth in addition, the foaming elastomer that prior art is made is based on material property itself
Or other materials are then, the process that the material generally requires secondary operation could be combined with foaming material, also result in existing skill
Foaming elastomer made from art processes more complicated technical problem.
Utility model content
In view of the foregoing, the utility model provides a kind of poromeric elastic body structure, and expanded beads are consolidated by tack coat
Fixed cementing formation foaming elastomer, and the ventilative bullet of the foaming elastomer formation with air-vent is made by mould internal shaping technology
Property body, with solve existing foaming elastomer easily cause it is sultry with it is uncomfortable, and prior art by expanded particle directly in mould
Heating is pressurizeed so that expanded particle is fully fused each other, causes high heating steam pressure to improve manufacturing cost, and expanded particle exists
Poor fluidity and thermally equivalent is difficult in mould, or secondary operation is carried out in order to form air-vent, cause to increase processing difficulties
Spend and reduce the technical problem of yield.
To achieve the above object, the utility model adopts the technical scheme that a kind of poromeric elastic body structure of offer, and it is wrapped
Include tack coat and the fixed cementing expanded beads in the tack coat；The tack coat by in-molded formation air-vent,
The air-vent respectively there is a complete hole wall to enclose the relative Two-port netwerk for setting and constituting the air-vent.
The beneficial effect of the utility model poromeric elastic body structure is that expanded beads of the present utility model are via fixed glue
Tie in the tack coat, with using tack coat bond expanded beads, the tack coat and during in-molded with liquid
Glue flow morphology improves mobility of the expanded beads in mould, makes poromeric elastic body be readily able in mould form air-vent,
The foaming elastomer that tool air permeable effect is provided is reached, and the processing difficulties degree of the foaming elastomer is reduced and is increased yield extremely
95% with first-class technique effect.
The utility model poromeric elastic body structure further improvement is that, the tack coat is by selected from PU (polyurethane
Material is polyurethanes, polyurethane) or TPEE (thermoplastic polyester elastomer) or the thermoplastic elastic of its combination
Body is formed after thermoplastic and solidification.
The utility model poromeric elastic body structure further improvement is that, the expanded beads may be selected from TPU foaming
Grain (TPUE rubber, Thermoplastic polyurethanes), TPEE expanded beads (thermoplastic polies
Ester elastomer), SBS particles (styrene series thermoplastic elastomer, Styreneic Block Copolymers), SEBS foaming
Grain (Hydrogenated SBS, Styrene-Ethylene-Butylene-Styrene), (the ethene-vinyl acetate copolymerization of EVA expanded beads
Thing, Ethylene Vinyl Acetate) or its combination.
The utility model poromeric elastic body structure further improvement is that, the expanded beads have 1-10mm's straight
Footpath, and 0.10-0.25g/cm3Density.
The further improvement of the utility model poromeric elastic body structure is that the expanded beads are TPU expanded beads,
The TPU expanded beads have 1-5mm diameter, and 0.10-0.20g/cm3Density.
The further improvement of the utility model poromeric elastic body structure is that the expanded beads are EVA expanded beads,
The EVA expanded beads have 0.20-0.21g/cm3Density.
The utility model poromeric elastic body structure further improvement is that, the air-vent is transversal between Two-port netwerk
Face shape is in geometry.
The further improvement of the utility model poromeric elastic body structure is that the shape of cross section of the air-vent is in six
Angular, tetragonal, triangle or its changes shape.
Brief description of the drawings
Fig. 1 is configured to hexagonal schematic top plan view for the air-vent of the utility model poromeric elastic body structure.
Fig. 2 is the utility model Fig. 1 A-A hatching line schematic cross-sectional views.
Fig. 3 is that the air-vent of the utility model poromeric elastic body structure is configured to the schematic diagram of tetragonal (quadrangle).
Fig. 4 is that the air-vent of the utility model poromeric elastic body structure is configured to the schematic diagram of triangle.
Fig. 5 is that the air-vent of the utility model poromeric elastic body structure is configured to the schematic diagram of rhombus or its change.
The corresponding relation of reference and part is as follows：
Tack coat 10；Air-vent 11；Port 111,112；Hole wall 12；Expanded beads 20.
Embodiment
For the benefit of understand of the present utility model, illustrated below in conjunction with Fig. 1 to Fig. 5 and embodiment.
Fig. 1, Fig. 2 are referred to, the utility model provides a kind of poromeric elastic body structure, and it includes tack coat 10 and fixing glue
Tie the expanded beads 20 in the tack coat 10；The tack coat 10 is described ventilative by in-molded formation air-vent 11
Hole 11 respectively there is a complete hole wall 12 to enclose the relative Two-port netwerk 111,112 for setting and constituting the air-vent 11.
Specifically, the recipe step of the utility model poromeric elastic body includes：
Thermoplastic elastic material is heated to form liquid glue fluid；
Expanded beads are mixed with the liquid glue fluid stirring, a mixes liquid glue fluid is formed；
The mixes liquid glue fluid is introduced into a mould of the inside provided with air-vent shaped structure；
Treat one poromeric elastic body finished product of the mixes liquid glue fluid curing and demolding formation, the poromeric elastic body finished product
Pass through air-vent 11 of the air-vent shaped structure formation with complete hole wall 12 of the mould, the cementing fixation of expanded beads
Among the thermoplastic elastomer material after solidification.
Wherein, the tack coat 10 is to be heated to forming liquid glue by thermoplastic elastic material (such as PU, TPEE)
After fluid (such as liquid PU, TPEE glue), expanded beads 20, which are poured into the liquid glue fluid, makes both stirring mix
Close, then mixes liquid glue fluid inserted moulding to form air-vent 11 and the external shape of required poromeric elastic in mould, treat
Cooling makes after thermoplastic elastic material solidification, produces the tack coat 10, and make the expanded beads 20 evenly distributedly solid
Surely it is bonded in inside tack coat 10.
In the utility model, the thermoplastic elastic material for constituting tack coat 10 can be selected from PU (polyurethane materials
Polyurethanes, polyurethane), TPEE (thermoplastic polyester elastomer) or its combination thermoplastic elastomer (TPE) through heat
Formed after modeling and solidification；Also, the expanded beads 20 can be selected from TPU expanded beads (TPUE rubber,
Thermoplastic polyurethanes), TPEE expanded beads (thermoplastic polyester elastomer), SBS expanded beads (benzene second
Alkene based thermoplastic elastomer, Styreneic Block Copolymers), SEBS expanded beads (Hydrogenated SBS, Styrene-
Ethylene-Butylene-Styrene), EVA expanded beads (ethylene-vinyl acetate copolymer, Ethylene Vinyl
Acetate) or its combination.But thermoplastic elastic material of the present utility model and expanded beads material are not limited to the above
Class, other known in this field can be stirred through hot melt mix, then in-molded thermoplastic elastic material and expanded beads material
Material comes under protection domain of the present utility model.
In the utility model, the expanded beads 20 preferably have 1-10mm diameter, and 0.10-0.25g/cm3
Density.Such as table 1 below, two kinds of expanded beads embodiments for preparing the utility model poromeric elastic body, including TPU hairs are shown
Steep particle and EVA expanded beads.Wherein, the TPU expanded beads preferably have 1-5mm diameter, and 0.10-0.20g/
cm3Density；The EVA expanded beads preferably have 0.20-0.21g/cm3Density.
" hardness, C " refers to the hardness number measured according to Rockwell hardness test scale C to the physical property of table 1, and unit is HRC.Its
In, the hardness of TPU expanded beads is 43HRC, and the hardness of EVA expanded beads is 53-55HRC.
The physical property " compression (70C6H50%) " of table 1 refers to the compression ratio of elastomer, wherein, the compression ratio of TPU expanded beads
It is 29-33% for the compression ratio of 30%, EVA expanded beads.
" resilience " of table 1 refers to the rebound degree of elastomer, wherein, the rebound degree of TPU expanded beads foams for 62%, EVA
The rebound degree of particle is 29-33%.
Table 1 " Mark II on-slip, do (>0.68) ", " Mark II on-slip, wet (>0.68) " refer respectively to Mark II
Dry type anti-slip effect and wet type anti-slip effect that anti-skid tester is measured.Wherein, the dry type on-slip test bit of TPU expanded beads
For 0.93, compare better than Antiskid rubber (0.77), the wet type on-slip test bit of TPU expanded beads is 0.70, is compared only smaller
In Antiskid rubber (0.76).
| Physical property | TPU | EVA | Antiskid rubber |
| Density, g/cm3 | 0.18 | 0.20-0.21 | - |
| Hardness, C | 43 | 53-55 | - |
| Compress (70C6H50%) | 30% | 29-33% | - |
| Resilience | 62% | 40-50% | - |
| Mark II on-slip, do (>0.68) | 0.93 | - | 0.77 |
| Mark II on-slip, wet (>0.68) | 0.70 | - | 0.76 |
In the utility model, the shape of air-vent 11 of poromeric elastic body can be pre-designed mould by product demand
And reach different shapes.Please refer to Fig. 1, Fig. 3 to Fig. 5, the air-vent 11 of the utility model poromeric elastic body is at two ends
Shape of cross section between mouthfuls 111,112 is preferably in geometry, such as Fig. 1 hex hole, Fig. 3 quadrangle or square opening,
Fig. 4 tri-angle-holed or Fig. 5 is by water chestnut hole and its polygonal hole overlapped；But the air-vent of the utility model poromeric elastic body
11 shapes are not limited to this or other geometries such as circular, ellipse, also visual actual product demand formation tool
There is the breather hole structure of varying aperture.Wherein, the hexagon refers to connect and compose six convex angles of departure by least six sides
The shape in portion, such as hexagon, hexagram；The quadrangle refers to connect and compose four convex angles of departure by least four sides
The shape in portion, such as quadrangle, rhombus, corner star；The triangle refer to by three sides connect and compose three it is outwardly
The shape in corner, such as triangle.
Further, in the preparation method of the utility model poromeric elastic body structure, by expanded beads 20 and thermoplasticity
Elastomeric material heats the liquid glue fluid to be formed and is mixed into after mixes liquid glue fluid, and mixes liquid glue fluid is being introduced into mould
Before tool, the mould inside, the material can will be defaulted in be incorporated into the material of the poromeric elastic body finished surface
In mixes liquid glue fluid cured glue knot in the poromeric elastic body finished surface.It is described to tie in the utility model
Material together in poromeric elastic body finished surface can be plastics, rubber, film, non-woven fabrics, various artificial or natural material
Cloth etc.；And in the preparation method of the utility model poromeric elastic body structure, can be according to product design when forming liquid glue fluid
Add color or add various auxiliary agents, to change the outward appearance or product performance of poromeric elastic body finished product.Furthermore, the utility model is saturating
Gas elastomer can also direct spraying toner in finished surface, use the outward appearance for changing poromeric elastic body finished product.
It should be noted that, the utility model can be according to obtained poromeric elastic body application field and use demand (for example
Soft durometer, elasticity, the material outside poromeric elastic body), select with single one or more kinds of thermoplastic elastomer (TPE) material
Expect the selection as the tack coat 10, similarly, the selection of the expanded beads can also regard actual demand and select single kind
Or the expanded beads of the two or more materials of mixing, coordinate the selection of aforementioned thermoplastic's elastomeric material, reality is adapted to be made
Using or manufacture demand product.
Therefore the utility model poromeric elastic body structure is by preceding solution, with following advantageous effects：
(1) the utility model is mixed using liquid glue with expanded beads 20, forms mixes liquid glue fluid, this fluid is then
Castable can be used, the fine ratio of product of foaming elastomer is improved to more than 95%.
(2) in order to reduce traditional material it is sultry with it is uncomfortable, cause expanded beads easy using foregoing mixes liquid glue fluid
Shaped in mold flow, the air-vent shaped structure in mould is designed as honeycomb hexagon or other geometries by cooperation, with
Many through holes (air-vent) are formed, make air readily flowed.
(3) the utility model by make expanded beads in mould it is readily flowed, foaming elastomer is formed in mould
Air-vent, it is to avoid the problem of prior art causes process cumbersome and expend material to the elastic disome time processing of foaming, this practicality is new
Type not only reduces the usage amount of raw material, also reaches require light-weighted to poromeric elastic body.
(4) thermoplastic elastic material heats the liquid glue fluid to be formed except ensuring hair during in-molded
Bubble particle is uniformly distributed outside outer and increase expanded beads mobility, also plays a part of cohesive expanded beads after hardening and strong
Change the mechanical strength of foaming elastomer total, many through hole designs is become feasible.
(5) the poromeric elastic body surface face being made through foregoing preparation method will be total to by the thermoplastic elastic material and expanded beads
With composition so that the utility model poromeric elastic body surface face has what the then ability of other materials/form was effectively improved
Advantageous effects；And except being readily susceptible to secondary operation then in addition to other materials, other materials can also directly be entered mould with it is mixed
Disposable poromeric elastic body of the mold processing formation with extexine of liquid glue fluid is closed, with the skill that manufacturing procedure is greatly decreased
Art effect.In addition, the utility model poromeric elastic body is when direct spraying toner is in surface, it may have relatively better than traditional expanded material
Effect.
The utility model is described in detail above in association with drawings and Examples, those skilled in the art can
Many variations example is made to the utility model according to the above description.Thus, some of embodiment details should not be constituted to this reality
With new restriction, the utility model regard the scope defined using appended claims as protection domain of the present utility model.
Claims (8)
1. a kind of poromeric elastic body structure, it is characterised in that including：
Tack coat and the fixed cementing expanded beads in the tack coat；The tack coat forms ventilative by in-molded
Hole, the air-vent respectively there is a complete hole wall to enclose the relative Two-port netwerk for setting and constituting the air-vent.
2. poromeric elastic body structure according to claim 1, it is characterised in that：
The tack coat is the Rotating fields that thermoplastic elastic material is formed after thermoplastic and solidification, the thermoplasticity of the tack coat
It is polyurethanes or thermoplastic polyester elastomer that elastomeric material, which may be selected from polyurethane material,.
3. poromeric elastic body structure according to claim 1 or 2, it is characterised in that：
The expanded beads may be selected from TPUE rubber pange particle, thermoplastic polyester elastomer foaming
Grain, styrene series thermoplastic elastomer expanded beads, the elastomer foamed particle of hydrogenated styrene based thermoplastic or ethyl vinyl acetate second
Alkene copolymer expanded beads.
4. poromeric elastic body structure according to claim 3, it is characterised in that：
The expanded beads have 1-10mm diameter, and 0.10-0.25g/cm3Density.
5. poromeric elastic body structure according to claim 4, it is characterised in that：
The expanded beads are TPUE rubber pange particle, the TPUE rubber hair
Bubble particle has 1-5mm diameter, and 0.10-0.20g/cm3Density.
6. poromeric elastic body structure according to claim 4, it is characterised in that：
The expanded beads are ethylene-vinyl acetate copolymer foamed particle, the ethylene-vinyl acetate copolymer foamed particle
With 0.20-0.21g/cm3Density.
7. poromeric elastic body structure according to claim 1, it is characterised in that：
Shape of cross section of the air-vent between Two-port netwerk is in geometry.
8. poromeric elastic body structure according to claim 7, it is characterised in that：
The shape of cross section of the air-vent is in hexagon, quadrangle or triangle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621225891.1U CN206475472U (en) | 2016-11-15 | 2016-11-15 | Poromeric elastic body structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621225891.1U CN206475472U (en) | 2016-11-15 | 2016-11-15 | Poromeric elastic body structure |
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| CN206475472U true CN206475472U (en) | 2017-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738975A (en) * | 2016-11-15 | 2017-05-31 | 允圣贸易(上海)有限公司 | Poromeric elastic body structure and preparation method thereof |
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- 2016-11-15 CN CN201621225891.1U patent/CN206475472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738975A (en) * | 2016-11-15 | 2017-05-31 | 允圣贸易(上海)有限公司 | Poromeric elastic body structure and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191126 Address after: 201805 room 1405, building 1, 185 Moyu Road, Anting Town, Jiading District, Shanghai Patentee after: Shanghai Yunquan New Material Technology Co., Ltd Address before: 200125, room 1988, 707-7 Dongfang Road, Shanghai, Pudong New Area Patentee before: YUNSHENG TRADE (SHANGHAI) CO., LTD. |