CN109881522A - Suitable for high speed high linear pressure press felt and preparation method thereof - Google Patents
Suitable for high speed high linear pressure press felt and preparation method thereof Download PDFInfo
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- CN109881522A CN109881522A CN201910273125.4A CN201910273125A CN109881522A CN 109881522 A CN109881522 A CN 109881522A CN 201910273125 A CN201910273125 A CN 201910273125A CN 109881522 A CN109881522 A CN 109881522A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
This application involves paper industry technical fields, specifically disclose one kind and are suitable for high speed high linear pressure press felt, including reverse side fibrous layer, base cloth layer, inner layer fibrous layer and the surface fibre layer contacted with paper being stacked；It include 10%~30% bicomponent fibers in the fibrous material of surface fibre layer, inner layer fibrous layer and reverse side fibrous layer, with the bicomponent fibers of the melt portions in thermal finalization is handled, so that obvolvent between adjacent fibrous layer and base cloth layer.Pass through the above method, remaining fibrous material obvolvent of the bicomponent fibers and same layer fiber interlayer of fusing, obvolvent between adjacent fibrous layers and base cloth layer simultaneously, each closer stabilization of fiber interlayer structure of felt, it is not easy fluffing deformation, it is more resistant, extend the service life of felt, so that paper surface is smooth, felt performance stationary phase is long.
Description
Technical field
The present invention relates to paper industry technical fields, more particularly to suitable for high speed high linear pressure press felt
And preparation method thereof.
Background technique
National environmental protection energy saving policy forces paper industry acceleration to eliminate the backward production facilities, and constantly adjusts the industrial structure of itself,
Paper machine constantly develops to high speed, wide cut direction.The squeezings forms such as wide pressure area, big roller that high-speed paper machine is widely used are to woollen blanket pressure resistance
Performance, compression resilience, carpet surface be smooth etc. require it is higher and higher.
BOM blanket in use for bottom meshwork papermaking is generally all by surface fibre layer, inner layer fibrous layer, base cloth layer and reverse side fibrous layer group at present
At, but since woollen blanket base fabric is raw materials used, weaving method and production technology etc. are different, when paper machine speed improves, line pressure increases
Afterwards, woollen blanket is easily deformed or hair loss influences the quality of paper big intolerant to abrasion.So to felt structure, raw material, work
The research of skill has far-reaching significance paper-making industry development.
Summary of the invention
The invention mainly solves the technical problem of providing one kind be suitable for high speed high linear pressure press felt and
The advantages of preparation method, felt are stablized with close structure, are not easy fluffing and deform, long service life.
In order to solve the above technical problems, one technical scheme adopted by the invention is that providing a kind of suitable for the high line of high speed
Press squeezing felt, which is characterized in that including be stacked reverse side fibrous layer, base cloth layer, inner layer fibrous layer and with
The surface fibre layer of paper contact；The fibrous material of the surface fibre layer, the inner layer fibrous layer and the reverse side fibrous layer
In include 10%~30% bicomponent fibers, with the bicomponent fibers of the melt portions in thermal finalization is handled, thus
So that obvolvent between adjacent fibrous layer and the base cloth layer.
Further, the base cloth layer includes upper layer base fabric and lower layer's base fabric, the fabric structure of the upper layer base fabric
For 1/3 or 1/5 brokentwlllweave filling face institutional framework.
Further, the filling-backed weave structure that the fabric structure of lower layer's base fabric is 1/3 or 1/5.
Further, the warp of the upper layer base fabric and the warp of lower layer's base fabric are monofilament, the upper layer base fabric
Weft and the weft of lower layer's base fabric be strand；Wherein, the end diameter of the upper layer base fabric is less than lower layer's base
The end diameter of cloth.
Further, the warp density of the upper layer base fabric is less than the warp density of lower layer's base fabric；The upper layer base
The weft density of cloth is less than the weft density of lower layer's base fabric.
Further, the fineness of the fibrous material of the surface fibre layer is less than the fibrous material of the reverse side fibrous layer
Fineness, the fineness of the fibrous material of the reverse side fibrous layer are less than the fineness of the fibrous material of the inner layer fibrous layer.
Further, the fineness of the fibrous material of the surface fibre layer is 6-20D；The undulation degree of the inner layer fibrous layer
The fineness of material is 30-70D；The fineness of the fibrous material of the reverse side fibrous layer is 30-40D.
In order to solve the above technical problems, another technical solution used in the present invention, which is to provide one kind, is suitable for high speed height
The preparation method of line pressure squeezing felt, which comprises form base cloth layer；It is sequentially formed in the base cloth layer side
Inner layer fibrous layer and surface fibre layer form reverse side fibrous layer in the base cloth layer other side, wherein the surface fibre layer,
It include 10%~30% bicomponent fibers in the fibrous material of the inner layer fibrous layer and the reverse side fibrous layer, it is described double
The fusing point of component fiber is 120 DEG C~150 DEG C；It pressurizes oily heat roller tube setting treatment, with the bicomponent fibers of melt portions,
So that obvolvent between adjacent fibrous layer and the base cloth layer.
Further, before the base cloth layer side sequentially forms inner layer fibrous layer and surface fibre layer further include: described
Base cloth layer is through hot oil drawing and setting.
Further, the method also includes cleaning, dryings after carrying out immersion softening with alkaline detergent.
The beneficial effects of the present invention are: be in contrast to the prior art, by surface fibre layer, inner layer fibrous layer and
The bicomponent fibers of part low melting point are added in the fibrous material of reverse side fibrous layer, bicomponent fibers melt in thermal finalization processing
Change, so that remaining fibrous material obvolvent of the bicomponent fibers and same layer fiber interlayer of fusing, while adjacent fibrous layers and base fabric
Obvolvent between layer, each closer stabilization of fiber interlayer structure of felt are not easy fluffing deformation, more resistant, extend and make
The service life of paper woollen blanket, so that paper surface is smooth, felt performance stationary phase is long, is suitable for high speed high linear pressure press
With.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the schematic cross-sectional view that the application is suitable for high one embodiment of speed high linear pressure press felt；
Fig. 2 is the schematic diagram of the section structure for being suitable for high speed high linear pressure press felt in Fig. 1；
Fig. 3 is that the process for one embodiment of preparation method that the application is suitable for high speed high linear pressure press felt is shown
It is intended to.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is that the application is suitable for high one embodiment of speed high linear pressure press felt
Schematic cross-sectional view；Fig. 2 is the schematic diagram of the section structure for being suitable for high speed high linear pressure press felt in Fig. 1.
As depicted in figs. 1 and 2, the felt 100 of one embodiment of the application includes the reverse side fibrous layer being stacked
110, base cloth layer 120, inner layer fibrous layer 130 and surface fibre layer 140.Wherein, inner layer fibrous layer 130 and reverse side fibrous layer 110
The two sides of base cloth layer 120 are located at, surface fibre layer 140 is located at the outside of inner layer fibrous layer 130, and when papermaking, paper
Upper and lower sides are respectively arranged with a felt 100, and the surface fibre layer 140 of felt 100 directly connects with the surface of paper
Touching.It include 10%~30% pair in the fibrous material of surface fibre layer 140, inner layer fibrous layer 130 and reverse side fibrous layer 110
Component fiber, the fusing point of bicomponent fibers are 120 DEG C~150 DEG C, are lower than surface fibre layer 140, inner layer fibrous layer 130 and reverse side
The fusing point of remaining fibrous material in fibrous layer 110.To the bicomponent fibers of the melt portions in thermal finalization processing, and then make
Remaining fibrous material obvolvent of the bicomponent fibers and same layer fiber interlayer that must melt, while adjacent fibrous layers and base cloth layer 120
Between obvolvent.
From the above, it is seen that by surface fibre layer 140, inner layer fibrous layer 130 and reverse side fibrous layer 110
The bicomponent fibers of part low melting point are added in fibrous material, bicomponent fibers melt in thermal finalization processing, so that fusing
Remaining fibrous material obvolvent of bicomponent fibers and same layer fiber interlayer, while obvolvent between adjacent fibrous layers and base cloth layer 120,
Each closer stabilization of fiber interlayer structure of felt 100 is not easy fluffing deformation, more resistant, extends felt 100
Service life so that paper surface is smooth, 100 performance stationary phase of felt is long, be suitable for high speed high linear pressure press use.
And 10%~30% bicomponent fibers fusing not only can guarantee that 100 structure of felt was unlikely to deform fluffing, but also can not influence to make
The water penetration of paper woollen blanket 100 itself.
In an implement scene, in the fibrous material of surface fibre layer 140, inner layer fibrous layer 130 and reverse side fibrous layer 110
Include 10% bicomponent fibers, can also include 20%, 30% or pair of other percentages in other implement scenes
Component fiber, and in other implement scenes, contain in surface fibre layer 140, inner layer fibrous layer 130 and reverse side fibrous layer 110
The ratio of some bicomponent fibers is different, for example, the two-component in the fibrous material of surface fibre layer 140 including 30% is fine
It ties up, includes 10% bicomponent fibers in the fibrous material of inner layer fibrous layer 130, wrapped in the fibrous material of reverse side fibrous layer 110
Include 20% bicomponent fibers.Bicomponent fibers can be PP/PE (polypropylene, polyethylene) composite fibre or other undulation degrees
Material, is not construed as limiting herein.
In an implement scene, surface fibre layer 140, inner layer fibrous layer 130 and reverse side fibrous layer 110 are in addition to two-component fibre
Other fibrous materials of dimension are that nylon fibre or aramid fiber can also be that other fusing points are higher than in other implement scenes
The fibrous material of bicomponent fibers, is not construed as limiting herein.
In an implement scene, the fusing point of bicomponent fibers is 120 DEG C, in other implement scenes, bicomponent fibers
Fusing point can also be 135 DEG C, 140 DEG C or 150 DEG C, be not construed as limiting herein.
In an implement scene, base cloth layer 120 includes upper layer base fabric 121 and lower layer's base fabric 122, and upper layer base fabric 121 is more leaned on
Nearly surface fibre layer 140 is arranged, the brokentwlllweave filling face institutional framework that the fabric structure of upper layer base fabric 121 is 1/3, Ji Duan circle
Parallel with weft, in other implement scenes, the fabric structure of upper layer base fabric 121 can also be 1/5 or other structures.Its
In, the flatness for the upper layer base fabric 121 that fabric structure is 1/3 is less than the upper layer base fabric 121 that fabric structure is 1/5
Flatness, the tightness for the upper layer base fabric 121 that fabric structure is 1/3 are greater than the upper layer base fabric that fabric structure is 1/5
121 flatness.Base fabric 121 integral smoothness in upper layer is high, tightness is good.
In an implement scene, the filling-backed weave structure that the fabric structure of lower layer's base fabric 122 is 1/3, i.e., by two
The warp of a system and the weft of a system are interwoven, and lower layer base fabric 122Z stablizes to close structure, in other implementation fields
Jing Zhong, the fabric structure of lower layer's base fabric 122 can also be 1/5 or other structures.Wherein, since crosspoint is more, fabric
The water penetration for lower layer's base fabric 122 that institutional framework is 1/3 is greater than the water penetration for lower layer's base fabric 122 that fabric structure is 1/5.
The whole good water permeability of lower layer's base fabric 122.
In an implement scene, the warp of upper layer base fabric 121 and the warp of lower layer's base fabric 122 are monofilament, upper layer base fabric
121 weft and the weft of lower layer's base fabric 122 are strand；Wherein for additional symbols, the warp in upper layer base fabric 121 is remembered
For the first warp 1211, the weft in upper layer base fabric 121 is denoted as the first weft 1212；Warp second in lower layer's base fabric 122 passes through
Line 1221, the weft in lower layer's base fabric 122 are denoted as the second weft 1222.Wherein, due to 121 lower layer base fabric 122 of upper layer base fabric
Closer to surface fibre layer 140, the density of the first warp 1211 less than the second warp 1221 density, the first weft 1212 it is close
Spend the density less than the second weft 1222.Specifically, the first warp 1211 selects the nylon monofilament (fracture of 0.25mm or 0.30mm
Elongation is greater than 33%, 6%) monofilament hot air shrinkage is greater than, and warp density is 110-140 root/10CM, for example, 110/10CM,
120/10CM, 130/10CM or 140/10CM；First weft 1212 selects 0.2*2 or 0.2*2*3 polyamide fibre strand (stock
Silk is twisted by 1 strand or 3 share stock silks, and every share stock silk is formed by the single twisting that 2 diameters are 0.2mm), the first latitude
The density of line 1212 is 180-220 root/10CM, such as 180/10CM, 200/10CM or 220/10CM.Second warp
(elongation at break is greater than 33% to the nylon monofilament of 1221 selection 0.4mm, and 6%) monofilament hot air shrinkage is greater than, the second warp 1221
Density be 220-280 root/10CM, for example, 220/10CM, 250/10CM or 280/10CM.Second weft 1222
The polyamide fibre strand of selection 0.2*2*3 or 0.2*2*4 (twisted by 3 strands or 4 share stock silks, and every share stock silk is by 2 by stock silk
Diameter is that the single twisting of 0.2mm forms), the density of the second weft 1222 is 240-280 root/10CM, for example, 240/
10CM, 260/10CM or 280/10CM.Upper layer base fabric 121 and the collocation of 122 latitude and longitude thickness of lower layer's base fabric are reasonable, upper layer
Base fabric 121 is smooth close, and lower layer base fabric 122z is overlapped to monofilament, and strength is high, and good water permeability, 120 overall structure of base cloth layer are tight
Close stabilization, compression resilience is good, is unlikely to deform compacting, base cloth layer 120 holds water voidage and stablizes, not easy to harden.
In an implement scene, the material of reverse side fibrous layer 110, inner layer fibrous layer 130 and surface fibre layer 140 is being made
During standby, fibrous material is first combed into networking by carding machine, then pierced at fleece, to form reverse side fibrous layer by pre-pricking machine needle
110, inner layer fibrous layer 130 and surface fibre layer 140.
Wherein, it is contemplated that the material rugosity of surface fibre layer 140 influences the flatness on 100 surface of felt, material
Thinner, felt 100 is more smooth, and the material rugosity of inner layer fibrous layer 130 influences the drainage effect of felt 100, material
Material is thicker, and 100 water filtering performance of felt is better, and the material rugosity of reverse side fibrous layer 110 influences felt 100 and paper machine
The frictional behaviour of part, therefore in order to guarantee that felt 100 has good drainage effect, is not easy to skid on a papermaking machine and table
The flatness in face, the rugosity of 130 material of inner layer fibrous layer are greater than the rugosity of 110 material of reverse side fibrous layer, 110 material of reverse side fibrous layer
The rugosity of material is greater than the rugosity of 140 material of surface fibre layer.For example, working as reverse side fibrous layer 110, inner layer fibrous layer 130 and table
When the material of layer fibrous layer 140 is nylon fibre, the rugosity of the nylon fibre of inner layer fibrous layer 130 is greater than reverse side fibrous layer
The rugosity of 110 nylon fibre, the rugosity of the nylon fibre of reverse side fibrous layer 110 are greater than the nylon fibre of surface fibre layer 140
Rugosity, in addition every layer of fibrous layer be added bicomponent fibers fineness it is close with the fibrous material fineness of this layer of fibrous layer.?
In one application scenarios, inner layer fibrous layer 130 using 30D (Dtex, dtex) -70D nylon fibre, for example, by using 30D, 40D,
The nylon fibre of 50D, 60D or 70D, reverse side fibrous layer 110 using 30D-40D nylon fibre, for example, by using 30D, 35D or
The nylon fibre of 40D, front fibrous layer use the nylon fibre of 6D-20D, such as the nylon fibre of 6D, 13D or 20D.Wherein need
It is noted that can be combined with other performances such as air permeability is reverse side fibrous layer 110, inner layer fibre in other application scenarios
Dimension layer 130 and surface fibre layer 140 select the material of suitable thickness respectively.
Referring to Fig. 3, Fig. 3 is the implementation of preparation method one that the application is suitable for high speed high linear pressure press felt
The flow diagram of example.
Further embodiment of this invention provides a kind of preparation method suitable for high speed high linear pressure press felt,
This method specifically includes:
S101: base cloth layer 120 is formed.
Woven base fabric layer 120, the specific institutional framework of base cloth layer 120 is referring to above-described embodiment, and details are not described herein again.
Further, base cloth layer 120 is through hot oil drawing and setting.Specifically, the base cloth layer that will have been weaved in advance in the preparation
120 on heat roller tube, and heat roller tube internal reservoir has the oil of circulation, is improved and being heated to the oil inside heat roller tube
The temperature on heat roller tube surface keeps base cloth layer 120 fixed then by base cloth layer 120 of the stretcher stretching and winding on heat roller tube
Type.In the application scenarios, guarantee the temperature on heat roller tube surface and being heated to the oil inside heat roller tube, since oil has
There is mobility, therefore heat roller tube surface temperature difference is small, temperature is uniform, and then reflects that the temperature to 120 surface of base cloth layer is also uniform, most
120 overall structure of base cloth layer Jing Guo setting treatment is stablized eventually, guarantees the stable structure of felt 100, on a papermaking machine shape
Variable is small.
S102: inner layer fibrous layer 130 and surface fibre layer 140 are sequentially formed in 120 side of base cloth layer, in base cloth layer 120
The other side forms reverse side fibrous layer 110.
In 120 side of base cloth layer, successively needled flocking forms inner layer fibrous layer 130 and surface fibre layer 140, in base cloth layer
120 other side needled flockings form reverse side fibrous layer 110.Wherein, surface fibre layer 140, inner layer fibrous layer 130 and reverse side fiber
It include 10%~30% bicomponent fibers in the fibrous material of layer 110, the fusing point of bicomponent fibers is 120 DEG C~150 DEG C.
S103: oily heat roller tube setting treatment of pressurizeing.
It pressurizes oily heat roller tube setting treatment to the semi-finished product felt 100 formed through S102 step, is handled in thermal finalization
The bicomponent fibers of middle melt portions, so that remaining fibrous material of the bicomponent fibers of fusing and same layer fiber interlayer is embraced
It closes, while obvolvent between adjacent fibrous layers and base cloth layer 120, papermaking carpet surface are not easy to fluff, performance stationary phase is long, service life
It is long.Specifically, semi-finished product felt 100 can be oiled thermal finalization wound on heat roller tube, or the hot roller of available oil heat exists
Rolling carries out thermal finalization processing on semi-finished product felt 100, is not construed as limiting herein.
Further, immersion softening, subsequent cleaning, drying are carried out to felt 100 with alkaline detergent.Impregnate softening
Time can be 1 hour, 2 hours or 3 hours, be not construed as limiting herein.The starting property of felt 100 after washing softening
It can improve.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure made by description of the invention and accompanying drawing content or principle of equal effects transformation, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. one kind is suitable for high speed high linear pressure press felt, which is characterized in that including the reverse side fiber being stacked
Layer, base cloth layer, inner layer fibrous layer and the surface fibre layer contacted with paper；
It include 10%~30% in the fibrous material of the surface fibre layer, the inner layer fibrous layer and the reverse side fibrous layer
Bicomponent fibers, with the bicomponent fibers of the melt portions in thermal finalization is handled so that adjacent fibrous layer and
Obvolvent between the base cloth layer.
2. felt as described in claim 1, which is characterized in that the base cloth layer includes upper layer base fabric and lower layer's base fabric,
The brokentwlllweave filling face institutional framework that the fabric structure of the upper layer base fabric is 1/3 or 1/5.
3. felt as claimed in claim 2, which is characterized in that the fabric structure of lower layer's base fabric be 1/3 or
1/5 filling-backed weave structure.
4. felt as claimed in claim 2, which is characterized in that the warp of the upper layer base fabric and lower layer's base fabric
Warp is monofilament, and the weft of the weft of the upper layer base fabric and lower layer's base fabric is strand；Wherein, the upper layer base fabric
End diameter be less than lower layer's base fabric end diameter.
5. felt as claimed in claim 4, which is characterized in that the warp density of the upper layer base fabric is less than the lower layer
The warp density of base fabric；The weft density of the upper layer base fabric is less than the weft density of lower layer's base fabric.
6. felt as described in claim 1, which is characterized in that the fineness of the fibrous material of the surface fibre layer is less than
The fineness of the fineness of the fibrous material of the reverse side fibrous layer, the fibrous material of the reverse side fibrous layer is less than the inner layer fiber
The fineness of the fibrous material of layer.
7. felt as claimed in claim 6, which is characterized in that the fineness of the fibrous material of the surface fibre layer is 6-
20D；The fineness of the fibrous material of the inner layer fibrous layer is 30-70D；The fineness of the fibrous material of the reverse side fibrous layer is
30-40D。
8. a kind of preparation method suitable for high speed high linear pressure press felt, which is characterized in that the described method includes:
Form base cloth layer；
Inner layer fibrous layer and surface fibre layer are sequentially formed in the base cloth layer side, forms reverse side in the base cloth layer other side
Fibrous layer, wherein include in the fibrous material of the surface fibre layer, the inner layer fibrous layer and the reverse side fibrous layer
10%~30% bicomponent fibers, the fusing point of the bicomponent fibers are 120 DEG C~150 DEG C；
The oily heat roller tube setting treatment of pressurization, with the bicomponent fibers of melt portions, so that adjacent fibrous layer and institute
State obvolvent between base cloth layer.
9. method according to claim 8, which is characterized in that sequentially form inner layer fibrous layer and table in the base cloth layer side
Before layer fibrous layer further include:
The base cloth layer is through hot oil drawing and setting.
10. method according to claim 8, which is characterized in that the method also includes:
Cleaning, drying after carrying out immersion softening with alkaline detergent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273125.4A CN109881522B (en) | 2019-04-04 | 2019-04-04 | Papermaking felt suitable for high-speed high-line-pressure pressing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273125.4A CN109881522B (en) | 2019-04-04 | 2019-04-04 | Papermaking felt suitable for high-speed high-line-pressure pressing and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109881522A true CN109881522A (en) | 2019-06-14 |
| CN109881522B CN109881522B (en) | 2023-07-28 |
Family
ID=66936194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910273125.4A Active CN109881522B (en) | 2019-04-04 | 2019-04-04 | Papermaking felt suitable for high-speed high-line-pressure pressing and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109881522B (en) |
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| CN111424459A (en) * | 2020-04-14 | 2020-07-17 | 江苏金呢工程织物股份有限公司 | Multi-layer composite high-wire-pressure-resistant papermaking felt and preparation method thereof |
| CN111806033A (en) * | 2020-06-22 | 2020-10-23 | 四川环龙技术织物有限公司 | Papermaking press felt |
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| CN103882757A (en) * | 2014-04-02 | 2014-06-25 | 江苏金呢工程织物股份有限公司 | Ground traceless papermaking felt and manufacturing method thereof |
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| DE4040861A1 (en) * | 1990-12-20 | 1992-07-02 | Munzinger Conrad & Cie Ag | Paper-making press blanket - has woven carriers with floating wefts on paper side in blanket structure which prevents paper marking and vibrations |
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| CN111424459A (en) * | 2020-04-14 | 2020-07-17 | 江苏金呢工程织物股份有限公司 | Multi-layer composite high-wire-pressure-resistant papermaking felt and preparation method thereof |
| CN111806033A (en) * | 2020-06-22 | 2020-10-23 | 四川环龙技术织物有限公司 | Papermaking press felt |
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| Publication number | Publication date |
|---|---|
| CN109881522B (en) | 2023-07-28 |
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