CN105839296B - A kind of space network with noise reduction, elastomeric property - Google Patents
A kind of space network with noise reduction, elastomeric property Download PDFInfo
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- CN105839296B CN105839296B CN201610254593.3A CN201610254593A CN105839296B CN 105839296 B CN105839296 B CN 105839296B CN 201610254593 A CN201610254593 A CN 201610254593A CN 105839296 B CN105839296 B CN 105839296B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
Abstract
The present invention relates to the space networks with noise reduction, elastomeric property, are made of thermoplastic elastomer, and for material hardness between 80~98A, which is 20~100kg/m3, it is made of two kinds of different kenel fibers, two kinds of different kenel fibers are respectively (1) doughnut：Line footpath accounts for the 40~95% of all wire hole number point rates between 0.3~2mm；(2) solid special fiber, line footpath account for all wire hole number point rates 5~60% between 0.05~0.6 mm.The present invention improves support buckling durability, resilience and the adaptive of product and sound-deadening properties, in addition to also having both the comfort of noise reduction with longer service life when the space network being made to be used as padded coaming.
Description
Technical field
The present invention relates to as the space network that uses of support, and in particular to a kind of with noise reduction and elastomeric property
Space network.
Background technology
Space network belongs to the molded product of elastic construction, the use of thermoplastic elastomer is that strip fibre is made in raw material
Dimension, ribbon fibre are curled into space multistory network structure again, and material can re-work recycling and use, comprising a large amount of empty in structure
Gap has preferable ventilative and lightweight performance, is used as supporting pad and may replace traditional thermoset polyurethane foamed cotton, no
Environmental pressure can only be reduced, more assign the better comfort of product.But work as the space network, in compression reaction
Certain noise is will produce, these noises are the sound due to occurring when strip crimped fibre rubs, and are used as cushion pad
When, people can be allowed to feel ear-piercing unhappy, a little sound of may all cause sleep uncomfortable when being especially applied to bedding, exploitation
The space network of elastomeric property with noise reduction becomes aobvious special reuse in practical applications.
When space network uses softer elastomer as material, the sound of reticular structure compression is just smaller, but
The use of too soft elastomer is material, then the space network supporting force is insufficient, sleeps sense discomfort and long-time service is easy to collapse
It falls into, reduces Acceptable life.
When space network replaces special solid structure using hollow ribbon fibre structure, can be promoted solid netted
Structure supporting force, but because be hollow structure, and line footpath is thicker, in compression, is more easy to send out larger noise.
When space network fiber junction is more, the sound of reticular structure compression is just smaller, but junction is got over
Multilist shows that product density is higher, is unable to control required indentation force deflection.
Invention content
It is a kind of with noise reduction, elastomeric property the technical problem to be solved by the present invention is to for the above-mentioned prior art provide
Space network improves support buckling durability, resilience and the adaptive of product and sound-deadening properties, makes the space network
In addition to also having both the comfort of noise reduction with longer service life when being used as padded coaming.
Technical solution is used by the present invention solves the above problems：It is a kind of with noise reduction, elastomeric property it is solid netted
Structure is made of thermoplastic elastomer, which is 20~100kg/m3, by two kinds of different kenel fibers
It is made, two kinds of different kenel fibers are respectively
(1) doughnut：Line footpath accounts for the 40~95% of all wire hole number point rates between 0.3~2mm；
(2) solid special fiber, line footpath account for all wire hole number point rates 5~60% between 0.05~0.6 mm.
Further, thermoplastic elastomer can be ethylene octane copolymer, thermoplastic polyurethane class elastomer, heat
Plasticity polyester elastomer or the polyamide-based elastomer of thermoplasticity.
Preferably, the thickness of the space network is 15~200mm, and material hardness is between 80~98A.
Above-mentioned dimorphism state fiber space network manufacturing method is, on extruder, by the heat after measuring pump-metered
Plasticity elastomer is depressed into spinning plate, the wire hole for different kenels that there are two types of spinning plate tools, can spray doughnut after spinneret,
Line footpath accounts for 40~95% and solid special line of all wire hole point rates between 0.3~2mm, line footpath between 0.05~0.6mm,
Account for all wire hole number point rates 5~60%.
The advantage of the invention is that：Doughnut plays the role of improving supporting force, and product is made to have elastomeric property, ensures
The extension of product service life, accounts for the 40~95% of all wire hole point rates, and weight fraction is 70~99.5%.The solid special
Fiber accounts for the 5~60% of all wire hole number point rates since line footpath is thinner, and weight fraction is 0.5~30%, and quantity number is to whole
Volume density influences little.But the addition of solid special fiber improves in the case of minimal effect space network density
Space network fiber junction, the structure is sound-deadening properties with preferably compressing, and also improves durability of product, in addition can also
Increase the sense of touch of space network by the arrangement regulation and control of solid special fiber.
Space network in the present invention is staggeredly combined using doughnut and solid special fiber, and doughnut rises
To the effect for improving supporting force, the buckling durability and supportive for improving space network are played as reinforcing bar, and it is solid
Heterotypic fibre part, improves space network fiber junction, keeps the structure sound-deadening properties with preferably compressing, also increases
The good durability of space network and comfort level, ensure product use when noise reduction comfort and extend simultaneously its use the longevity
Life.The skin ingredient of the present invention selects thermoplastic elastomer, and space network supportive can be reduced since hardness is too low, need to be into
One step limits the preferred hardness range of thermoplastic elastomer（Shore hardness is 80~98A）, with reach best supportive and
Longer service life.
In addition, the ratio by controlling doughnut and solid special fiber, realizes and is hardly changing indentation force deflection
Under, noise reduction and the space network with different senses of touch is adjusted out, as buffering, support element in use, meeting difference makes
The requirement of user enhances the adaptive of application.
Description of the drawings
Fig. 1 is the schematic diagram that the different kenel fiber spinnerets of two kinds of the embodiment of the present invention divide rate.
Specific implementation mode
Present invention is further described in detail with reference to embodiments.
1 each embodiment materials list of table
DMT/BDO is dimethyl terephthalate (DMT)/Isosorbide-5-Nitrae-dibutylene glycol in upper table, and PTMEG is polytetramethylene ether two
Alcohol.
Embodiment 1
A kind of space network with noise reduction, elastomeric property, the spinneret kenel for constituting structure includes doughnut
And solid special fiber interlocks.Doughnut and solid special filament hole count divide rate to be 56:44.Specific preparation method is A-1
Raw material is sent into extruder, and 230 DEG C of molten conditions are heated in extruder, spinneret is transported to after measuring pump-metered, sprays
Filament plate uses infrared ray to keep the temperature between water tank, avoids thinner solid special fiber from curing ahead of time before staggeredly, the fiber woven
Space network is obtained after dies compress is molded in 50 DEG C of warm water, it is by controlling pulling speed that space network is close
Degree control is in 55kg/m3, and it is 255N that space network 40%, which compresses compressive hardness, and permanent set 3.8%, endurance is anti-
It is 25.3% that Hardness loss, which leads, after compound compression.When Repeated Compression is tested, sound is fairly small, and sound-deadening properties evaluation is classified as excellent.
Embodiment 2
Specific preparation method is similar to Example 1, and heating temperature is set as 210 DEG C of molten conditions, is conveyed through metering pump
To spinneret, spinneret uses infrared ray to keep the temperature between water tank, and thinner solid special fiber is avoided to cure ahead of time before staggeredly,
The fiber woven obtains space network in 20 DEG C of cold water after dies compress is molded, will be three-dimensional by controlling pulling speed
For reticular structure density domination in 73kg/m3, it is 234N, compression set rate that space network 40%, which compresses compressive hardness,
It is 4.8%, it is 34.1% that Hardness loss, which leads, after endurance Repeated Compression.When Repeated Compression is tested, sound is fairly small, sound-deadening properties to comment
Valence is classified as excellent.
Comparative example 1
A kind of space network with elastomeric property, the spinneret for constituting structure are doughnut kenel, by A-1 originals
Material is sent into extruder, is heated to 230 DEG C of molten conditions in extruder, spinneret, spinneret to water tank are transported to through metering pump
Between adopt infrared ray heat preservation, the fiber woven obtains space network after dies compress is molded in 50 DEG C of warm water, passes through control
Pulling speed processed is by space network density domination in 53kg/m3, space network 40% compress compressive hardness be
244N, compression set rate are 4.4%, and it is 29.6% that Hardness loss, which leads, after endurance Repeated Compression.When Repeated Compression is tested, sound
Sound is larger.Sound-deadening properties evaluation is classified as bad.
Comparative example 2
Specific preparation method is similar to comparative example 1, selects A-2 for material, space network is obtained after molding, pass through control
By space network density domination in 71kg/m3, space network 40% compresses compressive hardness and is pulling speed processed
232N, compression set rate are 5.1%, and it is 36.6% that Hardness loss, which leads, after endurance Repeated Compression.When Repeated Compression is tested, disappear
Sound is evaluated, and is classified as still.But material hardness is relatively low.
Comparative example 3
Specific preparation method is similar to comparative example 1, selects B-1 for material, space network is obtained after molding, pass through control
By space network density domination in 51kg/m3, space network 40% compresses compressive hardness and is pulling speed processed
151N, compression set rate are 5.1%, and it is 34.6% that Hardness loss, which leads, after endurance Repeated Compression.When Repeated Compression is tested, sound
Sound is smaller.Sound-deadening properties evaluation is classified as excellent.The material is relatively low due to the use of hardness, therefore tool is sound-deadening properties, but also because of hardness
Low, 40% compression compressive hardness is that support force is insufficient.And after endurance Repeated Compression Hardness loss lead it is higher, it is unfavorable durable to make
With.
Comparative example 4
Specific preparation method is similar to comparative example 1, selects B-2 for material, space network is obtained after molding, pass through control
For pulling speed processed by space network density domination in 71kg/m3, it is 132N that space network 40%, which compresses compressive hardness,
Compression set rate is 6.2%, and it is 44.3% that Hardness loss, which leads, after endurance Repeated Compression.Repeated Compression test when, sound compared with
It is small.Sound-deadening properties evaluation is classified as excellent.The material is relatively low due to the use of hardness, therefore tool is sound-deadening properties, but also because hardness is low, and 40%
It is insufficient to compress compressive hardness support force.And Hardness loss leads higher after endurance Repeated Compression, use is not durable.
The specific test method is as follows：
1, line footpath：Extract fiber out from space network, using 20 times of light microscope blend proportion ruler measurement diameters,
5 fibers are randomly selected to be averaged.
2, thickness：Product thickness is measured using pachometer, 5 samples is randomly selected and is averaged.
3, density：Product is put into baking oven, baking oven is set as 80 DEG C of * 3hr, it is ensured that after moisture removal, measures the length of product
Wide height calculates volume, and is weighed with the precision balance for being accurate to three after decimal point, calculates density later.
4,40% indentation force deflection is tested：Under 23 DEG C of steady temperatures, between product is placed in two platens up and down, in test speed
It spends under 100mm/min, is compressed to strain 40%, the load measuring gauge of the upper downward compressed products of platen, upper end experiences pressure, and will
Pressure conversion is defeated by display parsing at voltage signal, while pressure value is shown on screen, and test is averaged three times.
5, compression set rate：Under 23 DEG C of steady temperatures, 50% compression deformation, after 22 hours, observation product is extensive
The variation of thickness after multiple.Compression set amount=（Thickness difference before and after product test）Thickness * 100% before/product test, test three
It is secondary to be averaged.
6, endurance Repeated Compression Hardness loss leads：Under 23 DEG C of steady temperatures, product is put into Repeated Compression test
On the lower platform of instrument, with compressing force 750N, 70 times per minute frequency Repeated Compression products, up to 80,000 times after evaluate product property
Energy.Endurance Repeated Compression Hardness loss leads=（Hardness force difference before and after product test）Hardness power * 100% before/product test, test
It is averaged three times.
7, sound-deadening properties evaluation is compressed:By space network continued compression, disappeared to sound by 3 different testers
Sound evaluate, be classified as it is excellent, still, bad 3 grade.
8, wire hole number divides rate:Related with hollow hole count with the solid hole count of spinneret, calculating space network can also obtain
Go out, take the sample of 5cm*5cm*1cm thickness, the junction of doughnut and solid special fiber is dismantled, calculates separately hollow
The quantity of fiber and solid special fiber.
Wire hole number point rate=be intended to the fiber count calculated/(doughnut number+solid special fiber count)
Test result is shown in Table 2
2 embodiment 1 to 2 of table and the control of the performance of comparative example 1 to 4
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiment
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (4)
1. a kind of space network with noise reduction, elastomeric property, is made, material hardness is between 80 of thermoplastic elastomer
~98A, it is characterised in that：The space network density is 20~100kg/m3, it is made of two kinds of different kenel fibers, two kinds
Different kenel fibers are respectively
(1) doughnut：Line footpath accounts for the 45~95% of all wire hole number point rates between 0.3~2mm；
(2) solid special fiber, line footpath account for all wire hole number point rates 5~55% between 0.05~0.1 mm；
The thermoplastic elastomer can be ethylene octane copolymer, thermoplastic polyurethane class elastomer, thermoplasticity
Polyester elastomer or the polyamide-based elastomer of thermoplasticity；
The thickness of the space network is 15~200mm.
2. a kind of manufacturing method with noise reduction, the space network of elastomeric property, it is characterised in that：It, will on extruder
Thermoplastic elastomer after measuring pump-metered is depressed into spinning plate, and there are two types of the wire hole of different kenels, spinnerets for spinning plate tool
After can spray doughnut, line footpath accounts for 45~95% and solid special line of all wire hole point rates between 0.3~2mm,
Line footpath accounts for all wire hole number point rates 5~55% between 0.05~0.1 mm.
3. the manufacturing method according to claim 2 with noise reduction, the space network of elastomeric property, feature exist
In：The thermoplastic elastomer can be poly- for ethylene octane copolymer, thermoplastic polyurethane class elastomer, thermoplasticity
Esters elastomer or the polyamide-based elastomer of thermoplasticity.
4. the manufacturing method according to claim 2 with noise reduction, the space network of elastomeric property, feature exist
In：The thickness of the space network is 15~200mm.
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| CN113022056A (en) * | 2021-03-26 | 2021-06-25 | 佛山市酷纤高分子家居用品科技有限公司 | Light elastic net structure |
| CN113930900B (en) * | 2021-10-29 | 2023-01-20 | 延锋国际座椅系统有限公司 | Thermoplastic fiber net structure and automotive interior part |
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| CN2525107Y (en) * | 2002-02-10 | 2002-12-11 | 北京神州瑞琪环保科技有限公司 | Stereo net material |
| US20050227563A1 (en) * | 2004-01-30 | 2005-10-13 | Bond Eric B | Shaped fiber fabrics |
| WO2005075725A1 (en) * | 2004-01-30 | 2005-08-18 | The Procter & Gamble Company | Shaped fiber fabrics |
| CN201506866U (en) * | 2009-09-18 | 2010-06-16 | 辛婷芬 | Special-shaped hole spinneret plate |
| DE102014108343A1 (en) * | 2014-06-13 | 2015-12-17 | J.H. Ziegler Gmbh | Composite material flow aid nonwoven |
| CN104562731A (en) * | 2015-01-08 | 2015-04-29 | 江阴和创弹性体新材料科技有限公司 | Three-dimensional mesh structure with high elasticity |
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