CN105856667B - Elastic composite sheet material and its manufacturing method - Google Patents
Elastic composite sheet material and its manufacturing method Download PDFInfo
- Publication number
- CN105856667B CN105856667B CN201610214777.7A CN201610214777A CN105856667B CN 105856667 B CN105856667 B CN 105856667B CN 201610214777 A CN201610214777 A CN 201610214777A CN 105856667 B CN105856667 B CN 105856667B
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- sheet material
- elastic
- roller
- length
- elastic adhesive
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- 239000000463 material Substances 0.000 title claims abstract description 114
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000001070 adhesive effect Effects 0.000 claims abstract description 40
- 239000000853 adhesive Substances 0.000 claims abstract description 38
- 239000007767 bonding agent Substances 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 230000007480 spreading Effects 0.000 abstract description 3
- 238000003892 spreading Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract 1
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010003840 Autonomic nervous system imbalance Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007368 endocrine function Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
Landscapes
- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a kind of elastic composite sheet materials, it is that the elastic adhesive that second timber-used extends along its length is adhered on the first sheet material and is formed, the first sheet material of multiple rivels and the second sheet material of tensility extended towards length direction are formed including alternately and repeatedly rising and falling in the longitudinal direction；At least one elastic adhesive extended along its length is additionally provided between the first sheet material and the second sheet material.The invention also discloses the manufacturing method of above-mentioned elastic composite sheet material, including by the first sheet material figuration, the second sheet material continuous sizing and by the compound step of the two along its length.Elastic adhesive is disposed to extend between the first sheet material and the second sheet material by the present invention along its length, so that composite sheet has good cementability and excellent elastic stretching performance, while cost is saved, simplify existing manufacturing process so that the requirement to bonding agent spreading area rate substantially reduces.The present invention have it is simple in structure, it is at low cost, it is efficient the advantages of, meet actual production demand.
Description
Technical field
The invention belongs to hygiene article sector more particularly to a kind of telescopic composite sheets suitable for disposable absorbent article
Material and its manufacturing method.
Background technology
In the prior art, as disposable absorbent commodity, such as once property diaper etc..From infant to old age
People, disabled etc., disposable diaper is widely used, instead of recycling fabric absorbent commodity.For raising and user
Adhesion and resiliency, used elastic composite sheet material, which is by the sheet component of two kinds of non-telescoping property
It is formed by the elastomeric element fitting of the elongation state of linear, netted, band-like, sheet etc., to pieces such as non-telescoping property non-woven fabrics
Shape component has paid retractility.
When above-mentioned elastomeric element is in contraction state, each sheet component forms big fold, folding line, by these pleats
Wrinkle, folding line can obtain resiliency.But due to the rigid random distribution of non-woven fabrics, these big fold, folding lines are on non-woven fabrics
Irregular generation, for user when using such disposable diaper, the adhesion of diaper and user are poor, and when contact has hard
Texture, skin contact sense are bad.Show according to the study：If the lasting stimulation skin of big fold, folding line, the contact stimulus meeting
Have an adverse effect to body, it is not only uncomfortable, and endocrine function imbalance and vegetative dystonie will be caused, very
To the development for influencing intelligence.
If China Patent Publication No. is that CN1406568A discloses Stretchable composite sheet and on Stretchable composite sheet
The method for generating multiple rivels, the Stretchable composite sheet is by the non-telescoping property non-woven fabrics that extends towards length direction and towards length
The a plurality of elastomeric element that direction extends and is arranged side by side with separating intended size in width direction is formed.Elastomeric element is to extend
In the state of be installed on non-woven fabrics, composite sheet have alternately and repeatedly is risen and fallen towards length direction with elastomeric element by non-woven fabrics
And the multiple rivels formed, rivel are substantially extended continuously towards width direction and are substantially set side by side at equal intervals towards length direction
It puts.Although above-mentioned patent can generate multiple rivels, need to fix elastomeric element by bonding agent in the fabrication process
Between non-woven fabrics, the spreading area rate of bonding agent is also needed to meet between 20%-80% in addition, thus there are manufacturing processes to answer
It is miscellaneous, it is of high cost the shortcomings that.
Invention content
The technical problems to be solved by the invention are to overcome above-mentioned deficiency present in existing design, and it is multiple to provide a kind of elasticity
Sheet material and its manufacturing method are closed, solves the problem of that existing composite sheet is of high cost and manufacturing process is complicated.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of elastic composite sheet material has in length
It alternately and repeatedly rises and falls on direction and forms the first sheet material of multiple rivels and the tensility second extended towards length direction
Material.At least one elastic adhesive extended along its length is additionally provided between the first sheet material and the second sheet material.The bullet
Property composite sheet be that second timber-used elastic adhesive extended upper along its length is adhered on the first sheet material and is formed.
Preferably, second sheet material has tensility, and range of stretch is more than 0 and less than or equal to 400%.
Using above-mentioned technical proposal, by setting the elasticity extended along its length between the first sheet material and the second sheet material
Bonding agent, the elastic adhesive have cementability, can be bonded the first sheet material and the second sheet material at high temperature；Under room temperature state,
Adhesive property decline, after stretching can snapback, have good elastic stretching characteristic, while fold is formed so that
It no longer needs additionally to increase elastomeric element between first sheet material and the second sheet material.In other words, elastic adhesive in the present invention
Effect has at 2 points：First, the bonding of the first sheet material and the second sheet material is realized；2nd, have at room temperature it is good can elastic stretching it is special
Property, it can snapback, and then the second sheet material is helped to return to initial position after the stretch.
As a further improvement on the present invention, above-mentioned elastic adhesive is linear, any one of strip or sheet state
It is arranged between the first sheet material and the second sheet material.Specifically, when elastic adhesive is linear or during strip, elastic adhesive is in length
Degree side upwardly extend and in the width direction perpendicular to the length direction be spaced be arranged side by side have it is multiple；When elastic adhesive is in
During sheet, elastic adhesive is coated on comprehensively between the first sheet material and the second sheet material.
As the present invention further improvement, first sheet material formed along its length it is concavo-convex, by retractility
Or the material of non-telescoping property is made.
As this theme of the manufacturing method of elastic composite sheet material of the present invention, a kind of manufacture of elastic composite sheet material is used
System includes the following steps：The first sheet material is inserted between the concave-convex roller that a pair rotates toward each other first, passes through and squeeze first
Sheet material makes it form multiple rivels according to alternating for tooth on concave-convex roller in the longitudinal direction；On the other hand, with can draw
Second sheet material of stretching property is under unstretched condition, is coated in the longitudinal direction on its predeterminable area with bonding agent bringing device
The elastic adhesive of extension makes it fit together with the first sheet material after extruding.
Further, it before the first sheet material is inserted between a pair of concave-convex roller, further includes and the first sheet material is passed through into a material
The step of expecting deflector roll.
The manufacture system of above-mentioned elastic composite sheet material, the concave-convex roller and bonding agent rotated toward each other including a pair are applied
Feeder apparatus.The pair of bumps roller is made of the upper figuration roller being engaged with each other and lower figuration roller, in upper figuration roller and lower figuration roller
Circumferential surface on be equipped with multiple elastic raised lines.The lower part of lower figuration roller is also installed with tangent with raised line elastic in the lower figuration roller
Smooth roll.First sheet material forms multiple rivels under the extruding of upper figuration roller and lower figuration roller, then along lower figuration roller and smooth roll it
Between region transmission, at the same time, the second sheet material through coating elastic adhesive reaches lower region between figuration roller and smooth roll,
It is completed under the clamping of lower figuration roller and smooth roll compound.
Beneficial effects of the present invention：At least one prolonged along its length by being set between the first sheet material and the second sheet material
The elastic adhesive stretched, wherein the first sheet material is equipped with multiple rivels for alternately and repeatedly rising and falling and being formed, the second sheet material be in
Tensility sheet material under unstretched condition, each elastic adhesive are arranged, and the elasticity in the longitudinal direction in continuous
Bonding agent has cementability at high temperature, can snapback after the stretch at room temperature with excellent elastic stretching performance.In height
The lower elastic adhesive of temperature is mutually be bonded with aforementioned first sheet material, the second sheet material first, after then stretching the second sheet material at room temperature,
Rebound is completed under the action of elastic adhesive.Therefore, the range of stretch of elastic adhesive should be with the range of stretch phase of the second sheet material
Adaptation, range of stretch are greater than 0 and less than or equal to 400%.
The present invention while fold is formed, is made using the tensility of the second sheet material and the contraction performance of elastic adhesive
Obtaining no longer needs additionally to increase elastomeric element between the first sheet material and the second sheet material, greatly reduces cost, simplifies existing
Manufacturing process so that the requirement to bonding agent spreading area rate substantially reduces.In addition, manufacture system provided by the invention, tool
Have it is simple in structure, it is at low cost, it is efficient the advantages of, meet actual production demand.
Description of the drawings
Fig. 1 is the contraction state schematic diagram of the embodiment of the present invention 1 to 3, and arrow X represents length direction, and arrow Y represents width
Direction.
Fig. 2 is the tensional state schematic diagram of the embodiment of the present invention 1 to 3.
Fig. 3 is the A-A sectional views of Fig. 1.
Fig. 4 is the decomposition assembling schematic diagram of embodiment 1.
Fig. 5 is the B-B sectional views of embodiment 1.
Fig. 6 is the decomposition assembling schematic diagram of embodiment 2.
Fig. 7 is the B-B sectional views of embodiment 2.
Fig. 8 is the decomposition assembling schematic diagram of embodiment 3.
Fig. 9 is the B-B sectional views of embodiment 3.
Figure 10 is the structure diagram of elastic composite sheet material manufacture system of the present invention.
In figure, the first sheet materials of 1-, the second sheet materials of 2-, 3- elastic adhesives, 4- adhesive portions, 5- non-bonded parts, 6- materials lead
Roller, 7- bumps rollers, 8- smooth rolls, 9- bonding agent bringing devices, the upper figuration rollers of 71-, figuration roller under 72-.
Specific embodiment
Referring to the attached drawing of embodiment of the present invention, the present invention will be described.
Embodiment 1,
Also referring to Fig. 1 to 3, a kind of elastic composite sheet material is by the second sheet material 2 upper bullet extended along its length
Property bonding agent 3 be adhered on the first sheet material 1 and formed.The elastic composite sheet material has alternately and repeatedly to rise and fall in the longitudinal direction
And form the first sheet material 1 of multiple rivels and the second sheet material of tensility 2 extended towards length direction.The first sheet material 1 with
At least one elastic adhesive 3 extended along its length is additionally provided between second sheet material 2.
Wherein, the rivel of the first sheet material 1 is continuous in the direction of the width and the extension of substantially rectilinear shape, and along its length
Alternately and repeatedly rise and fall.Above-mentioned rivel has top and bottom, wherein top is non-bonded part 5, bottom is glues with elasticity
Connect the adhesive portion 4 that agent 3 fits.First sheet material 1 forms concavo-convex along its length, can be made by loft material,
It can be made with right and wrong loft material.
Second sheet material 2 has tensility, and stretchable range is more than 0 and less than or equal to 400%.Elastic adhesive 3 exists
Under high temperature there is cementability, the first sheet material 1 and the second sheet material 2 can be bonded, under room temperature state, since adhesive property declines, draw
After stretching can snapback, show can elastic stretching characteristic.
Also referring to Fig. 4 to 5, the extension linear in the longitudinal direction of elastic adhesive 3, and perpendicular to this
In the width direction of length direction be spaced be arranged side by side have it is multiple.
Embodiment 2,
Also referring to Fig. 6 to 7, the elastic adhesive 3 extends in the longitudinal direction in strip, and perpendicular to this
Being spaced to be arranged side by side in the width direction of length direction has multiple, remaining is the same as embodiment 1.
Embodiment 3,
Also referring to Fig. 8 to 9, the elastic adhesive 3 is coated between the first sheet material 1 and the second sheet material 2 comprehensively,
Remaining same embodiment 1.
As shown in Figure 10, the manufacturing method of elastic composite sheet material uses a kind of manufacture system of elastic composite sheet material, packet
Include following steps：First sheet material 1 first is delivered to through material deflector roll 6 between the concave-convex roller 7 that a pair rotates toward each other, by squeezing
Press the first sheet material 1 that it is made to form multiple rivels according to alternating for tooth on concave-convex roller 7 in the longitudinal direction；On the other hand, exist
The second sheet material 2 with tensility is under unstretched condition, is coated on its predeterminable area with bonding agent bringing device 9
The elastic adhesive 3 extended on length direction makes it fit together with the first sheet material 1 after extruding.
The manufacture system of above-mentioned elastic composite sheet material, the concave-convex roller 7 and bonding agent rotated toward each other including a pair are applied
Feeder apparatus 9.The pair of bumps roller 7 is made of the upper figuration roller 71 being engaged with each other and lower figuration roller 72, in upper 71 He of figuration roller
Multiple elastic raised lines are equipped on the circumferential surface of lower figuration roller 72.The lower part of lower figuration roller 72 is also installed with and bullet in the lower figuration roller
The property tangent smooth roll 8 of raised line.
Its workflow is as follows：First sheet material 1 forms multiple rivels under the extruding of upper figuration roller 71 and lower figuration roller 72,
Then it is conveyed along the region between lower figuration roller 72 and smooth roll 8, at the same time, the second sheet material 2 through coating elastic adhesive arrives
Region up between lower figuration roller and smooth roll is completed compound under clamping of the lower figuration roller 72 with smooth roll 8.
It is described above and it is shown in figure be only the preferred embodiment of the present invention, but protection scope of the present invention is not limited to
This, it is in the technical scope disclosed by the present invention, according to the present invention for any those of ordinary skill in the art
Technical solution and its inventive concept are subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of elastic composite sheet material, it is characterised in that：It has alternately and repeatedly rises and falls and forms multiple pleats in the longitudinal direction
Non-telescoping the first sheet material of property of pleat and the second sheet material of tensility extended towards length direction, in the first sheet material and second
Elastic adhesive is additionally provided between material, the elastic adhesive is linear or strip, elastic adhesive are continuous in the longitudinal direction
Extension and in the width direction perpendicular to the length direction be spaced be arranged side by side have it is multiple；
Wherein, first sheet material is formed concavo-convex along its length, and protrusion is prolonged from one end to the other side in the direction of the width
It puts in and forms the front and rear cavity penetrated through；
Second sheet material has tensility, and range of stretch is more than 0 and less than or equal to 400%；
The elastic adhesive have at room temperature it is good can elastic stretching characteristic, can snapback after the stretch, Jin Erbang
The second sheet material is helped to return to initial position, the range of stretch of the elastic adhesive is adapted with the range of stretch of the second sheet material；
The elasticity of the elastic composite sheet material be by and only assigned by elastic adhesive, be along length side by second timber-used
It is adhered on the first sheet material and is formed to the elastic adhesive of extension.
2. a kind of manufacturing method of elastic composite sheet material for manufacturing elastic composite sheet material as described in claim 1, uses
A kind of manufacture system of elastic composite sheet material, which is characterized in that include the following steps：
The first sheet material is inserted between the concave-convex roller that a pair rotates toward each other first, makes it in length by squeezing the first sheet material
On direction multiple rivels are formed according to alternating for tooth on concave-convex roller；On the other hand, in the second sheet material with tensility
Under unstretched condition, the elasticity being extended continuously in the longitudinal direction is coated on its predeterminable area with bonding agent bringing device
Bonding agent makes it fit together with the first sheet material after extruding；
The manufacture system of the elastic composite sheet material includes a pair of concave-convex roller rotated toward each other and bonding agent bringing device；One
Concave-convex roller the upper figuration roller being engaged with each other and lower figuration roller is made of, is equipped on the circumferential surface of upper figuration roller and lower figuration roller
Multiple elasticity raised lines；The smooth roll tangent with raised line elastic in the lower figuration roller is also installed in lower figuration roller lower part；First sheet material
Multiple rivels are formed under the extruding of upper figuration roller and lower figuration roller, then along the regional movement between lower figuration roller and smooth roll,
At the same time lower region between figuration roller and smooth roll is reached through coating the second sheet material of elastic adhesive, in lower figuration roller and light
It is realized under the clamping of roller compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214777.7A CN105856667B (en) | 2016-04-07 | 2016-04-07 | Elastic composite sheet material and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214777.7A CN105856667B (en) | 2016-04-07 | 2016-04-07 | Elastic composite sheet material and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105856667A CN105856667A (en) | 2016-08-17 |
| CN105856667B true CN105856667B (en) | 2018-07-03 |
Family
ID=56637242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610214777.7A Active CN105856667B (en) | 2016-04-07 | 2016-04-07 | Elastic composite sheet material and its manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105856667B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072245A1 (en) * | 2016-10-21 | 2018-04-26 | 盐城旭华机械有限公司 | Aluminum foil continuous compression molding, combining and winding machine |
| KR102661188B1 (en) * | 2019-02-15 | 2024-04-29 | 엔오케이 가부시키가이샤 | Buffer rubber and its reaction force adjustment method and base |
| IT201900006819A1 (en) * | 2019-05-16 | 2020-11-16 | Fameccanica Data Spa | PROCEDURE FOR MAKING AN ELASTIC COMPOSITE AND ELASTIC COMPOSITE CANVAS |
| GB2590378B (en) * | 2019-12-12 | 2023-10-18 | Stretchline Intellectual Properties Ltd | Stretchable textile article |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040102125A1 (en) * | 2002-11-27 | 2004-05-27 | Morman Michael Tod | Extensible laminate of nonwoven and elastomeric materials and process for making the same |
| CN1509229A (en) * | 2000-12-27 | 2004-06-30 | - | Biaxially extendible material |
| US20040140047A1 (en) * | 2002-11-13 | 2004-07-22 | Kenichi Sato | Composite sheet and process and apparatus for producing the same |
| CN1654580A (en) * | 2004-02-13 | 2005-08-17 | 国家淀粉及化学投资控股公司 | Adhesive containing radial block copolymer |
-
2016
- 2016-04-07 CN CN201610214777.7A patent/CN105856667B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509229A (en) * | 2000-12-27 | 2004-06-30 | - | Biaxially extendible material |
| US20040140047A1 (en) * | 2002-11-13 | 2004-07-22 | Kenichi Sato | Composite sheet and process and apparatus for producing the same |
| US20040102125A1 (en) * | 2002-11-27 | 2004-05-27 | Morman Michael Tod | Extensible laminate of nonwoven and elastomeric materials and process for making the same |
| CN1654580A (en) * | 2004-02-13 | 2005-08-17 | 国家淀粉及化学投资控股公司 | Adhesive containing radial block copolymer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105856667A (en) | 2016-08-17 |
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Denomination of invention: Elastic composite sheet and manufacturing method thereof Effective date of registration: 20181024 Granted publication date: 20180703 Pledgee: Huangshan City financing Company limited by guarantee Pledgor: Huangshan Futian Precision Manufacturing Co., Ltd. Registration number: 2018340000570 |
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Address after: 245000 Economic Development Zone, Tunxi District, Huangshan City, Anhui Province Patentee after: Huangshan Futian Precision Manufacturing Co., Ltd Address before: 18 No. 245000, Penglai Road, Huangshan City Economic Development Zone, Anhui Patentee before: HUANGSHAN FUTIAN JINGGONG MANUFACTURING Co.,Ltd. |
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