CN109866479A - Braided fabric Nomex aggregate and preparation method thereof - Google Patents
Braided fabric Nomex aggregate and preparation method thereof Download PDFInfo
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- CN109866479A CN109866479A CN201711264734.0A CN201711264734A CN109866479A CN 109866479 A CN109866479 A CN 109866479A CN 201711264734 A CN201711264734 A CN 201711264734A CN 109866479 A CN109866479 A CN 109866479A
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Abstract
The present invention provides a kind of braided fabric Nomex aggregate and preparation method thereof, this method is compound by continuous function fibrage nitride layer and the thick braid layer of continuous function fibre bulk yarn, obtains integrated fabric；Then by needling action that chopped functional fibre Nomex layer and the thick braid layer of continuous function fibre bulk yarn of the integrated fabric is compound, obtain braided fabric Nomex aggregate.Braided fabric Nomex aggregate provided by the invention is a kind of lightweight, high-strength, with staged variable density fiber assembly structure, under the premise of isometric, the braided fabric Nomex aggregate can 30% or more loss of weight than complete braided fabric, but mechanical property is suitable, and the mechanical property than complete chopped strand Nomex is good；30% or more fiber raw material can also be saved simultaneously, preparation process is simple, and the production cycle is shorter.
Description
Technical field
The present invention relates to fibrous material technical field, in particular to a kind of braided fabric Nomex aggregate and its preparation side
Method.
Background technique
For example fiberglass braided object of continuous function fibrous braid, carbon fiber preform etc. are a kind of fiber assembly materials
Material, light-weight, mechanical property etc. are had excellent performance, and have played huge effect in national defence, civilian industry field.In many works
In Cheng Yingyong, generally only need to use a face of continuous function fibrous braid, i.e. working face, another corresponding face is
Non-working surface.Requirement to continuous function fibrous braid working face is that braiding texture is regular, decorative pattern is unanimously neat, fiber broken end
It is few with burr；And for its non-working surface, certain Z-direction connection is generally required, other are required there is no special.
When using the braiding such as continuous function fiber such as glass fibre, carbon fiber large size or compared with thick member, participation is generally required
It is artificial more, a large amount of working time is also spent, time-consuming of not only taking a lot of work, the production cycle is long, and fiber waste is serious, increases
Production cost.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of braided fabric Nomex aggregate and preparation method thereof, it should
Braided fabric Nomex aggregate lighter in weight, excellent in mechanical performance, while fiber raw material can be saved, shorten the production cycle.
The present invention provides a kind of braided fabric Nomex aggregate, comprising:
Continuous function fibrage nitride layer；
The thick braid layer of continuous function fibre bulk yarn being compound in the continuous function fibrage nitride layer；
The chopped functional fibre needle in the thick braid layer of continuous function fibre bulk yarn is compound in by needling action
Pierce carpet veneer.
Preferably, the continuous function fibrage nitride layer with a thickness of 0.8mm~5mm.
Preferably, the thick braid layer of continuous function fibre bulk yarn with a thickness of 4mm~12mm.
Preferably, the chopped functional fibre Nomex layer with a thickness of 5mm~60mm.
Preferably, continuous function fiber is glass fibre, carbon fiber, silicon carbide in the continuous function fibrage nitride layer
Fiber or basalt fibre.
Preferably, continuous function fiber is glass fibre, carbon fiber in the thick braid layer of continuous function fibre bulk yarn
Dimension, silicon carbide fibre or basalt fibre.
Preferably, the functional fibre that is chopped in the chopped functional fibre Nomex layer is glass fibre, carbon fiber, silicon carbide
Fiber or basalt fibre.
Preferably, the braided fabric Nomex aggregate is flat sheet, cylindrical body or cone.
The present invention provides a kind of preparation method of braided fabric Nomex aggregate, comprising the following steps:
Continuous function fibrage nitride layer and the thick braid layer of continuous function fibre bulk yarn is compound, it obtains integration and knits
Object；
By needling action by the continuous function fiber varicosity of chopped functional fibre Nomex layer and the integrated fabric
The thick braid layer of yarn is compound, obtains braided fabric Nomex aggregate.
Preferably, when carrying out needling action, using liner core model technology, pricker makees upper knit stitch thorn movement and its needle point does not touch
And core model.
Compared with prior art, the present invention slightly weaves continuous function fibrage nitride layer and continuous function fibre bulk yarn
Nitride layer is compound, obtains integrated fabric；Then chopped functional fibre Nomex layer integrated is knitted with described by needling action
The thick braid layer of continuous function fibre bulk yarn of object is compound, obtains braided fabric Nomex aggregate.In the present invention, continuous function
Can fibrage nitride layer be mainly used for working face, can also be used as adhesive surface, play high temperature resistant, wash away or oxidation resistant work by force
With；The thick braid layer of continuous function fibre bulk yarn belongs to transition zone, and the bridge for playing connection braid layer and Nomex layer is made
With, while also can be relieved the thermal stress between even being eliminated different structure fiber assembly and the difference of thermal strain；The braided fabric
Layer and the thick braid layer play a part of support frame or carrying jointly, and the Nomex layer mainly make by functioning property
With.Braided fabric Nomex aggregate provided by the invention is a kind of lightweight, high-strength, with staged variable density fiber set
Body structure, under the premise of isometric, the braided fabric Nomex aggregate than complete braided fabric can 30% or more loss of weight, but power
Performance is suitable, and the mechanical property than complete chopped strand Nomex is good；30% or more fiber raw material can also be saved simultaneously, it is raw
It is shorter to produce the period.Braided fabric Nomex aggregate provided by the invention can be directly used for heat-insulated, sealing, filtering, absorption, sound insulation,
Inhale the field of functional materials such as wave and resistant material, can also carry out RTM resin base it is compound or carry out CVD sintered deposit, have can
The structure-function integration effect of design.
Detailed description of the invention
Fig. 1 is needling action schematic diagram in the preparation method for the braided fabric Nomex aggregate that the embodiment of the present invention 1 provides；
Fig. 2 is needling action schematic diagram in the preparation method for the braided fabric Nomex aggregate that the embodiment of the present invention 2 provides；
Fig. 3 is needling action schematic diagram in the preparation method for the braided fabric Nomex aggregate that the embodiment of the present invention 3 provides.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
The present invention provides a kind of braided fabric Nomex aggregates, comprising:
Continuous function fibrage nitride layer；
The thick braid layer of continuous function fibre bulk yarn being compound in the continuous function fibrage nitride layer；
The chopped functional fibre needle in the thick braid layer of continuous function fibre bulk yarn is compound in by needling action
Pierce carpet veneer.
The present invention utilizes continuous function fibre bulk yarn braid layer, and chopped functional fibre Nomex and continuous function is fine
The advantages of dimension braided fabric is compound, can play both fiber assembly materials to the maximum extent, and respective disadvantage is avoided as far as possible,
The braided fabric Nomex aggregate made can preferably be applied to heat-insulated, sealing, filtering, absorption, sound insulation, inhale wave and corrosion-resistant
Equal fields, have significant practical meaning in engineering.
In the present invention, the braided fabric Nomex aggregate includes continuous function fibrage nitride layer, the continuous function
Energy fibrage nitride layer is the long-fiber bundle braided fabric of single layer or two layers or more, can pass through woven or weaving by functional fibre
It is made, is mainly used for working face, can also be used as adhesive surface, play high temperature resistant, wash away or oxidation resistant effect by force.
Wherein, continuous function fiber is preferably glass fibre, carbon fiber, carbonization in the continuous function fibrage nitride layer
Silica fibre or basalt fibre, more preferably carbon fiber, such as the carbon fiber of 12K.The thickness of the continuous function fibrage nitride layer
Degree is preferably 0.8mm~5mm, more preferably 1mm~3mm.The fabric structure of the continuous function fibrage nitride layer can
Think plain weave, twill, satin weave and mesh-structured etc., the present invention has no this specifically limited.
The braided fabric Nomex aggregate includes the thick braid layer of continuous function fibre bulk yarn, is compound in the company
In continuous functional fibre braid layer.The thick braid layer of continuous function fibre bulk yarn is the buiky yarn of single layer or two layers or more
Thick braided fabric, can by compared with it is thick, formed by slightly compiling containing the more functional fibre buiky yarn of stomata, belong to transition zone, the company of playing
Connect the function served as bridge of braid layer and Nomex layer, also can be relieved thermal stress between even being eliminated different structure fiber assembly and
The difference of thermal strain plays the role of stress buffer, while playing the work of support frame or carrying jointly with the braid layer
With.The present invention uses the thick braid layer, on the one hand can greatly improve braid efficiency, reduces braiding cost, on the other hand
Again can be unlikely to make fiber assembly reduced performance it is many on the basis of, connect braid layer and Nomex layer, satisfaction answered
With the requirement of purpose.
Wherein, continuous function fiber is preferably glass fibre, carbon in the thick braid layer of continuous function fibre bulk yarn
Fiber, silicon carbide fibre or basalt fibre, more preferably carbon fiber, such as the carbon fiber of 12K.The continuous function fiber varicosity
The thickness of the thick braid layer of yarn is preferably 4mm~12mm, and more preferably 5mm~8mm can play the role of preferable.It is described continuous
The fabric structure of the thick braid layer of functional fibre buiky yarn can be twill, satin weave and square equality institutional framework, the present invention
This is had no specifically limited.
The braided fabric Nomex aggregate includes the functional fibre Nomex layer that is chopped, and is compound in institute by needling action
It states in the thick braid layer of continuous function fibre bulk yarn.The chopped strand Nomex layer can utilize the combing in nonwoven techniques
The technologies such as networking are made, and up and down reciprocatingly carry out needle thorn (puncture) effect by the needle thorn with barb, make chopped strand therein
It is pierced into the thick braid layer of buiky yarn, so that the fibre of three layers or multilayer different structure is connected into an entirety.The needle
Thorn effect is technological means well known to those skilled in the art, and in the present invention, the technique of needling action is preferred are as follows: needling density
For 20 needles/cm2~50 needles/cm2；Depth of needling is 8mm~25mm.
Mainly functioning property acts on the chopped strand Nomex layer, and mechanical property is poor compared to braided fabric, but
Be it is with short production cycle, cost is relatively low, also play huge effect in defense and commercial industry.Wherein, the chopped function is fine
Dimension is functional fibre well known to those skilled in the art, and preferably glass fibre, carbon fiber, silicon carbide fibre or basalt is fine
Dimension, more preferably carbon fiber, such as the carbon fiber of 6K, fibre length can be 55mm.The chopped functional fibre, braid layer
Continuous function fiber can be identical or different two-by-two in middle continuous function fiber and thick braid layer, and the present invention does not have special limit
System.The thickness of the chopped functional fibre Nomex layer is preferably 5mm~60mm, and more preferably 8mm~20mm answers conducive to material
With.
In the present invention, the braided fabric Nomex aggregate can be flat sheet, cylindrical body or cone, using model
It encloses extensively.
The present invention also provides a kind of preparation methods of braided fabric Nomex aggregate, comprising the following steps:
Continuous function fibrage nitride layer and the thick braid layer of continuous function fibre bulk yarn is compound, it obtains integration and knits
Object；
By needling action by the continuous function fiber varicosity of chopped functional fibre Nomex layer and the integrated fabric
The thick braid layer of yarn is compound, obtains braided fabric Nomex aggregate.
The present invention is first compound by continuous function fibrage nitride layer and the thick braid layer of continuous function fibre bulk yarn, obtains
Integrated fabric.
In the present invention, the continuous function fibrage nitride layer is the long fine of single layer commonly used in the art or two layers or more
Beam braided fabric is tieed up, can be made up of continuous function fiber of woven or braiding method.The continuous function fibre bulk yarn is thick
For braid layer by constituting compared with thick, the more continuous function fibre bulk yarn containing stomata, the continuous function buiky yarn can utilize flower
Formula yarn machine is made.The content of the continuous function fibrage nitride layer and the thick braid layer of continuous function fibre bulk yarn is as before
Described in text, this is no longer going to repeat them.
The present invention leads to the thick braid layer of continuous function fibre bulk yarn and continuous function fibrage nitride layer on loom
It crosses braiding or weaving progress is compound, so that the two is connected, being integrally formed fabric.The present invention is to described compound without special limit
System, can make braid layer be connected with thick braid layer.
After obtaining integrated fabric, the present invention is by chopped functional fibre Nomex layer and continuous function fiber varicosity therein
The thick braid layer of yarn is carried out compound by needling action, obtains braided fabric Nomex aggregate.
In the present invention, the chopped strand Nomex layer can utilize the technologies systems such as the combing networking in nonwoven techniques
At, and needle thorn (puncture) effect is up and down reciprocatingly carried out by the needle thorn with barb, so that chopped strand therein is pierced into buiky yarn thick
Braid layer, so that the fibre of three layers or multilayer different structure is connected into an entirety.The needling action is ability
Technological means known to field technique personnel, in the present invention, the technique of needling action are preferred are as follows: needling density be 20 needles/cm2~
50 needles/cm2；Depth of needling is 8mm~25mm.
When carrying out needling action, present invention preferably employs liner core model technology, make inner mold face paste molding tool, while making up and down
The needle point of the pricker of needle thorn movement does not touch core model, conducive to material is prepared.
In the present invention, continuous function fibrage nitride layer is mainly used for working face, can also be used as adhesive surface, plays resistance to
High temperature washes away or oxidation resistant effect by force；The thick braid layer of continuous function fibre bulk yarn belongs to transition zone, plays connection braiding
The function served as bridge of nitride layer and Nomex layer, while also can be relieved thermal stress and heat between even being eliminated different structure fiber assembly
The difference of strain；The braid layer and the thick braid layer play a part of support frame or carrying, the needle thorn jointly
Mainly functioning property acts on carpet veneer.
Braided fabric and Nomex are pierced integrated molding method using needle by the present invention, pass through each parameters such as braiding and fiber laying
Design and structure design, are made braided fabric Nomex aggregate, have the advantage that
The present invention reduces fiber bulk density in the non-working surface part of fiber assembly, and the appropriate fiber volume that reduces contains
Amount, declines fiber volume fraction successively from working face to chopped strand carpet veneer, under the premise of isometric, the braided fabric needle
Pierce felt aggregate than complete braided fabric can 30% or more loss of weight, while 30% or more fiber raw material can also be saved.
Braided fabric Nomex aggregate prepared by the present invention has the characteristics that structure-function integration, can send out to the maximum extent
The characteristic for waving long and short fiber is a kind of fibre structure of optimization.Each layer of the braided fabric Nomex aggregate has not
The same porosity can effectively improve its mechanics bearing capacity, while protecting again by weaving the design with each parameters such as fiber layings
Its functional performance is demonstrate,proved, under the premise of guaranteeing that application is safe, so that the performance indexes of woven preform is met application and wants
It asks.For example, since the dispersion of continuous function fibre bundle has certain mechanics bearing capacity, and bulk formula blanket can be weaved into, it can
As heat preserving and insulating material, flexible filter material and adsorbent material etc., and can be reused by cleaning；It can use extensively
In the larynx lining of various sizes, leading edge, end cap etc., it can also be used to the fields such as rail vehicle, racing boat and sports equipment.That is, described
Braided fabric Nomex aggregate in addition to military field can get widely apply other than, apply also for it is heat-insulated, sealing, filtering,
Absorption, inhales the field of functional materials such as wave and resistant material at sound insulation, can also carry out RTM (molding of resin TRANSFER MODEL) resin base
Compound or progress CVD (chemical vapor deposition) sintered deposit, has programmable structure-function integration effect, application prospect is huge
Greatly.
Preparation method simple process provided by the invention, shaping efficiency is higher, plastic large scale part and thicker part, is real
The effective technique for now standardizing preparation can reduce production cost, shorten the production cycle.
For a further understanding of the present invention, below with reference to embodiment to braided fabric Nomex aggregate provided by the invention and
Preparation method is specifically described.
Embodiment 1
Bias fabric once is made on the two of single layer by weaving process in the carbon fiber of 12K, with a thickness of 1.5mm；
Buiky yarn is made using flame machine in the carbon fiber of 12K, then be made on loom with described two on once bias fabric
The once thick braided fabric of twill on connected two, with a thickness of 6mm, being integrally formed fabric；
The chopped carbon fiber that length is 55mm, 6K is made up of the combing networking in nonwoven techniques with a thickness of 8mm's
Then the inner mold face paste of the integrated fabric is closed plane plate liner core model by Nomex, by needling action by the needle
It pierces the chopped carbon fiber in felt to be pierced into the thick braid layer of buiky yarn, flat sheet fiber assembly is made；Wherein, the work of needle thorn
Skill condition are as follows: needling density is 20 needles/cm2；Depth of needling is 25mm.
Fig. 1 is needling action schematic diagram in the preparation method for the braided fabric Nomex aggregate that the embodiment of the present invention 1 provides,
As shown in Figure 1,1 is chopped carbon fiber Nomex layer, 2 be the thick braid layer of carbon fiber buiky yarn, and 3 be woven carbon fiber fabric, 4
For the pricker with barb, pricker 4 moves up and down, and the chopped carbon fiber in the Nomex is pierced into the thick braid layer of buiky yarn
In, so that three layers of fibre is connected into an entirety.
After obtaining flat sheet fiber assembly, CVD deposition is carried out to it using charcoal matrix, obtains single crystal silicon thermal field use
Carbon/carbon insulating felt material, and the mechanical strength for keeping the temperature felt material is measured using WD-1 universal testing machine.Test result is aobvious
Show, tensile strength 600MPa, interlaminar shear strength 12MPa.
Embodiment 2
The carbon fiber of 12K is made up to the plain weave object one on the other of single layer of weaving process, with a thickness of 1mm；It will
Buiky yarn is made using flame machine in the carbon fiber of 12K, then is made and the object phase of plain weave one on the other on loom
The thick braided fabric of plain weave one on the other even, with a thickness of 6mm, being integrally formed fabric；
The chopped carbon fiber that length is 60mm, 12K is made up of the combing networking in nonwoven techniques with a thickness of 6mm's
Then the inner mold face paste of the integrated fabric is closed cylinder liner core model by Nomex, by needling action by the Nomex
In chopped carbon fiber be pierced into the thick braid layer of buiky yarn in, be made cylindrical fiber aggregate；Wherein, the process conditions of needle thorn
Are as follows: needling density is 50 needles/cm2；Depth of needling is 8mm.
Fig. 2 is needling action schematic diagram in the preparation method for the braided fabric Nomex aggregate that the embodiment of the present invention 2 provides,
As shown in Fig. 2, 1 is chopped carbon fiber Nomex layer, 2 be the thick braid layer of carbon fiber buiky yarn, and 3 be woven carbon fiber fabric, 4
For the pricker with barb, pricker 4 moves up and down, and the chopped carbon fiber in the Nomex is pierced into the thick braid layer of buiky yarn
In, so that three layers of fibre is connected into an entirety.
After obtaining cylindrical fiber aggregate, CVD deposition is carried out to it using charcoal matrix, obtains single crystal silicon thermal field charcoal/charcoal
Wood material is kept the temperature, and measures the mechanical strength of the heat preservation cylinder material using WD-1 universal testing machine.Test result is shown, is drawn
Stretching intensity is 500MPa, interlaminar shear strength 10MPa.
Embodiment 3
The carbon fiber of 12K is made up to a cassimere twill braided fabric of single layer of weaving process, with a thickness of 2mm；It will
Buiky yarn is made using flame machine in the carbon fiber of 12K, then is made and the cassimere twill braided fabric phase on loom
The thick braided fabric of plain weave one on the other even, with a thickness of 10mm, being integrally formed fabric；
The chopped carbon fiber that length is 60mm, 12K is made up of the combing networking in nonwoven techniques with a thickness of 10mm
Nomex, the inner mold face paste of the integrated fabric is then closed into circular cone liner core model, is pierced the needle by needling action
Chopped carbon fiber in felt is pierced into the thick braid layer of buiky yarn, and cylindrical fiber aggregate is made；Wherein, the process conditions of needle thorn
Are as follows: needling density is 30 needles/cm2；Depth of needling is 15mm.
Fig. 3 is needling action schematic diagram in the preparation method for the braided fabric Nomex aggregate that the embodiment of the present invention 3 provides,
As shown in figure 3,1 is chopped carbon fiber Nomex layer, 2 be the thick braid layer of carbon fiber buiky yarn, and 3 be woven carbon fiber fabric, 4
For the pricker with barb, pricker 4 moves up and down, and the chopped carbon fiber in the Nomex is pierced into the thick braid layer of buiky yarn
In, so that three layers of fibre is connected into an entirety.
After obtaining cone-fiber aggregate, CVD deposition is carried out to it using charcoal matrix, obtains single crystal silicon thermal field charcoal/charcoal
Water conservancy diversion cylinder material, and use WD-1 universal testing machine measures the mechanical strength of the water conservancy diversion cylinder material.Test result is shown, is drawn
Stretching intensity is 660MPa, interlaminar shear strength 14MPa.
Comparative example 1
The chopped carbon fiber that length is 60mm, 12K is made up of the combing networking in nonwoven techniques with a thickness of 22mm
Nomex, CVD deposition is carried out to it using charcoal matrix, obtains single crystal silicon thermal field charcoal/carbon/carbon slab, and uses the omnipotent examination of WD-1
The machine of testing measures the mechanical strength of the plate.Test result shows, tensile strength 300MPa, and interlaminar shear strength is
8MPa。
By above embodiments and comparative example it is found that the embodiment of the present invention preparation braided fabric Nomex aggregate weight compared with
Gently, excellent in mechanical performance, while fiber raw material can be saved, shorten the production cycle.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of braided fabric Nomex aggregate, comprising:
Continuous function fibrage nitride layer；
The thick braid layer of continuous function fibre bulk yarn being compound in the continuous function fibrage nitride layer；
The chopped functional fibre Nomex in the thick braid layer of continuous function fibre bulk yarn is compound in by needling action
Layer.
2. braided fabric Nomex aggregate according to claim 1, which is characterized in that the continuous function fibrous braid
Layer with a thickness of 0.8mm~5mm.
3. braided fabric Nomex aggregate according to claim 1, which is characterized in that the continuous function fibre bulk yarn
Thick braid layer with a thickness of 4mm~12mm.
4. braided fabric Nomex aggregate according to claim 1, which is characterized in that the chopped functional fibre Nomex
Layer with a thickness of 5mm~60mm.
5. braided fabric Nomex aggregate according to claim 1, which is characterized in that the continuous function fibrous braid
Continuous function fiber is glass fibre, carbon fiber, silicon carbide fibre or basalt fibre in layer.
6. braided fabric Nomex aggregate according to claim 1, which is characterized in that the continuous function fibre bulk yarn
Continuous function fiber is glass fibre, carbon fiber, silicon carbide fibre or basalt fibre in thick braid layer.
7. braided fabric Nomex aggregate according to claim 1, which is characterized in that the chopped functional fibre Nomex
The functional fibre that is chopped in layer is glass fibre, carbon fiber, silicon carbide fibre or basalt fibre.
8. braided fabric Nomex aggregate according to claim 1, which is characterized in that the braided fabric Nomex aggregate
For flat sheet, cylindrical body or cone.
9. a kind of preparation method of braided fabric Nomex aggregate, comprising the following steps:
Continuous function fibrage nitride layer and the thick braid layer of continuous function fibre bulk yarn is compound, obtain integrated fabric；
It is by needling action that chopped functional fibre Nomex layer and the continuous function fibre bulk yarn of the integrated fabric is thick
Braid layer is compound, obtains braided fabric Nomex aggregate.
10. preparation method according to claim 9, which is characterized in that when carrying out needling action, using liner core model skill
Art, pricker makees upper knit stitch thorn movement and its needle point does not touch core model.
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| CN201711264734.0A CN109866479A (en) | 2017-12-05 | 2017-12-05 | Braided fabric Nomex aggregate and preparation method thereof |
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| CN201711264734.0A CN109866479A (en) | 2017-12-05 | 2017-12-05 | Braided fabric Nomex aggregate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184722A (en) * | 2019-06-28 | 2019-08-30 | 西安航天复合材料研究所 | A kind of carbon-point punctures the preparation method of carbon fiber three-dimensional fabric |
| CN114347502A (en) * | 2022-01-05 | 2022-04-15 | 泰山玻璃纤维有限公司 | Carbon-glass mixed pulling plate based on bulked yarn modification and production process thereof |
-
2017
- 2017-12-05 CN CN201711264734.0A patent/CN109866479A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184722A (en) * | 2019-06-28 | 2019-08-30 | 西安航天复合材料研究所 | A kind of carbon-point punctures the preparation method of carbon fiber three-dimensional fabric |
| CN114347502A (en) * | 2022-01-05 | 2022-04-15 | 泰山玻璃纤维有限公司 | Carbon-glass mixed pulling plate based on bulked yarn modification and production process thereof |
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Application publication date: 20190611 |