CN206986416U - A kind of carbon fiber woven cloth and its prepreg - Google Patents
A kind of carbon fiber woven cloth and its prepreg Download PDFInfo
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- CN206986416U CN206986416U CN201720691977.1U CN201720691977U CN206986416U CN 206986416 U CN206986416 U CN 206986416U CN 201720691977 U CN201720691977 U CN 201720691977U CN 206986416 U CN206986416 U CN 206986416U
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- carbon fiber
- woven cloth
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Abstract
The utility model provides a kind of carbon fiber woven cloth, and the carbon fiber woven cloth is organized as plain weave；Wherein, every meter of carbon fiber woven cloth includes N roots warp thread and M root weft yarns, and any of any of the N roots warp thread and the M roots weft yarn is width identical carbon fiber broadening silk, the broadening silk width is W, wherein, N is integer, (1000mm/W) ＜ N≤(1000mm/W)+1, M=1000mm/W ± MD, also, tolerance MD≤ 6, weft yarn radian H scope are 0 ± 3mm, are less than 2mm through weft yarn gap.The carbon fiber woven cloth effectively solves the flexing of fibre bundle and " grid " phenomenon, excellent in mechanical performance are more frivolous.The utility model also provides the prepreg being prepared using the carbon fiber woven cloth and resin.
Description
Technical field
It the utility model is related to carbon fibre material field, more particularly to a kind of carbon fiber woven cloth and its prepreg.
Background technology
Carbon fiber woven cloth includes plain, twill, satin, unidirectional cloth etc., and wherein plain cloth cover is being uniformly and just
Reverse side is identical, more frivolous smooth, and wearability is good, gas permeability is good.But plain intertwined point is more, fibre bundle is in dipping and heaving
State, and fiber area of beam is mostly rounded, and therefore, existing carbon fiber woven cloth has problems.
First, tow bending point is relatively more in carbon fiber woven cloth, and fiber has different degrees of flexing phenomenon, causes
The intensity of fiber in itself can not be not fully exerted.
Second, gap easily be present around the intertwined point of adjacent two warp thread and adjacent two weft yarns, these gaps are being knitted
Regular grid is formed in thing, is referred to as " grid phenomenon ".When preparing prepreg using the carbon fiber woven cloth, " grid " place
Resin concentration area is easily formed, preparation and performance to composite affect greatly.
3rd, existing carbon fiber woven cloth surface density is larger, seriously limits its application in thin wall parts.And
And the fibrage between 90~120gsm of surface density typically using 1K forms, and small tow carbon fiber purchase cost is high.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model be to provide it is a kind of solve problem above carbon fiber woven cloth and its
Prepreg.Specifically, the utility model obtains carbon fiber broadening silk using carbon fibre tow broadening and carries out carbon fiber woven cloth
Weaving, by being controlled to broadening silk and woven cloth thread count, it can effectively reduce fibre bundle bending in fiber cloth
Bent and " grid " phenomenon, is prepared that grammes per square metre is low, carbon fiber woven cloth of excellent performance.
The utility model provides a kind of carbon fiber woven cloth, and the carbon fiber woven cloth is organized as plain weave；Wherein, often
Meter Suo Shu carbon fiber woven cloths include N roots warp thread and M root weft yarns, and any of the N roots warp thread and the M roots weft yarn
Any is width identical carbon fiber broadening silk, and the broadening silk width is W, wherein, N is integer, (1000mm/W) ＜ N
+ 1, M=1000mm/W of≤(1000mm/W) ± MD, also, tolerance MD≤ 6, weft yarn radian H scope are 0 ± 3mm, through weft yarn gap
Less than 2mm.
Wherein, the carbon fiber broadening silk multifilament tensile strength is 4780~5150MPa.
Wherein, the coefficient of dispersion of the carbon fiber broadening silk multifilament tensile strength is 0~5%.
Wherein, the carbon fiber broadening silk is obtained by the carbon fiber broadening that the trade mark is T700SC-12K-50C, described
Weft count control is (200mm/W ± MD/ 5) root/200mm.
Wherein, the carbon fiber broadening silk is obtained by the carbon fiber broadening that the trade mark is T700SC-12K-50C, described
Carbon fiber woven cloth surface density is (48~200) ± Dg/m2, surface density tolerance D≤5.
Wherein, the carbon fiber broadening silk width is (8~34) ± WDMm, tolerance WD≤ 2.5, and weft count controls
For (200mm/W ± MD/ 5) root/200mm.
Wherein, the carbon fiber broadening silk width is (21~34) ± WDMm, tolerance WD≤ 2.5, the carbon fiber braiding
The surface density of cloth is (48~79) ± Dg/m2, surface density tolerance D≤3.
Wherein, the carbon fiber broadening silk width be selected from 8 ± 0.5mm, 10 ± 0.7mm, 16 ± 1mm, 20 ± 1mm, 27 ±
2mm or 34 ± 2.5mm, also, the carbon fiber woven cloth surface density is correspondingly selected from 200 ± 5g/m2、160±5g/m2、100
±3g/m2、80±3g/m2、60±3g/m2Or 48 ± 2g/m2。
Wherein, the carbon fiber woven cloth weft count be selected from (25 ± 1.2) root/200mm, (20 ± 1.2) root/200mm,
(12.5 ± 0.8) root/200mm, (10 ± 0.8) root/200mm, (7.5 ± 0.8) root/200mm or (6 ± 0.6) root/200mm.
The utility model also provides a kind of prepreg being prepared using above-mentioned carbon fiber woven cloth and resin.
The beneficial effects of the utility model include：
First, the broadening silk collimation used is good, and fibre damage is small, can be effectively improved the resin infiltration of prepreg manufacturing process
Property, the mechanical property of lifting end article composite.
2nd, by the control to broadening silk width, woven cloth thread count, reduce porosity and solve " grid " phenomenon, enter
One step improves carbon fiber woven cloth surface smoothness, improves the performance of end article composite.
3rd, the weaving of carbon fiber woven cloth is carried out by using carbon fiber broadening silk, the flexing for effectively reducing fibre bundle shows
As, carbon fiber woven cloth mechanical strength is improved, it is more frivolous, increase thin wall parts designability.
Brief description of the drawings
It is incorporated into specification and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with the description.In the drawings, similar reference is used to represent similar
Key element.Drawings in the following description are some embodiments of the utility model, rather than whole embodiments.It is general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can be obtained according to these accompanying drawings.
The plain weave construction schematic diagram of Fig. 1 the utility model one embodiment；
The weft structure schematic diagram of Fig. 2 the utility model one embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Main thought of the present utility model is to provide a kind of carbon fiber woven cloth, and carbon is carried out by using carbon fiber broadening silk
The weaving of fibre knitting cloth, the flexing phenomenon of fibre bundle is effectively reduced, improve carbon fiber woven cloth mechanical strength, it is more frivolous,
And by the control to broadening silk width, woven cloth thread count, reduce porosity and solve " grid " phenomenon, further improve
Carbon fiber woven cloth surface smoothness, improve the performance of end article composite.
Referring to the drawings 1, the utility model provides a kind of carbon fiber woven cloth, and the carbon fiber woven cloth is organized as plain weave group
Knit；Wherein, every meter of carbon fiber woven cloth includes N roots warp thread and M root weft yarns, and any and institute of the N roots warp thread
State M root weft yarns any is identical carbon fiber broadening silk, and the broadening silk width is W, wherein, N is integer,
(1000mm/W) ＜ N≤(1000mm/W)+1, M=1000mm/W ± MD, also, tolerance MD≤ 6, weft yarn radian H scope be 0 ±
3mm, it is less than 2mm through weft yarn gap.
The carbon fiber woven cloth is organized as plain weave, the plain weave in plain weave and weaving technology in the utility model
Tissue is consistent, refers to longitude and latitude interlacing point with 1:A kind of elementary organization that 1 ratio is alternately present, it is alternate one on the other by warp thread and weft yarn
It is interwoven.As shown in Figure 1, warp thread and weft yarn just interweave once every one, and weft yarn 11 is handed over warp thread 21,22 and 23 respectively
Knit once, and interleaved order is one on the other.
Also, warp thread of the present utility model and weft yarn are width identical carbon fiber broadening silk, by carbon fibre tow exhibition
A width of carbon fiber broadening silk, carries out the weaving of carbon fiber woven cloth, can not only effectively reduce the flexing phenomenon of fibre bundle, reduces
" grid phenomenon ", and carbon fiber woven cloth mechanical strength can also be improved, it is more frivolous.
Wherein, every meter of carbon fiber woven cloth includes N roots warp thread and M root weft yarns, limits broadening silk width as W, then warp thread root
Number meets (1000mm/W) ＜ N≤(1000mm/W)+1, and fill yarn ends meet M=1000mm/W ± MD, also, tolerance MD≤6。
Warp thread radical is generally the integer determined and determines the breadth of carbon fiber woven cloth, and therefore, carbon fiber of the present utility model is compiled
Breadth of weaving cotton cloth is generally higher than 1000mm, preferably 1000~1100mm, most preferably 1000~1020mm.
Every meter of fill yarn ends M=1000mm/W ± MD, wherein MDFor fill yarn ends tolerance, represent that fill yarn ends allow to become
Momentum, i.e. 1000mm/W-MD≤M≤1000mm/W+MD, and MD≤6.By the restriction to weft count, can effectively control
Woven cloth gap and flatness.Surface density tolerance is Dg/m in the utility model2And broadening silk width tolerance WDEtc. the table of tolerance
Signal justice and MDIt is similar, the permission variation of parameter is represented, the scope of the utility model protection includes parameter and deviates tolerance up and down
Maximum, minimum value and its between scope, such as broadening silk width is 8 ± 0.5mm, then it represents that broadening silk width can use
Any number between 7.5~8.5mm.
Further, the utility model limits weft yarn radian H scopes as 0 ± 3mm, is less than 2mm through weft yarn gap, can solve
Certainly " grid " phenomenon, improve composite property.As shown in Figure 2, weft yarn appearance in part is raised or recessed in carbon fiber woven cloth
Rise and wait arcuate structure, weft yarn radian H specifically refers to maximum deviation distance of the arcuate structure apart from plane；Refer to phase through weft yarn gap
The gap between gap or adjacent weft between adjacent warp thread, by weft yarn radian and the restriction through weft yarn gap, Neng Gouti
The performance of high carbon fiber woven cloth and prepreg.
Preferably, the utility model is studied and limited for weft count (root/200mm), by limiting 200mm
Fill yarn ends can further control carbon fiber woven cloth gap and flatness, ensure the uniformity of carbon fiber woven cloth, its
In, weft count control is (200mm/W ± MD/ 5) root/200mm.
Further, the utility model is studied and limited for the multifilament tensile strength and coefficient of dispersion of broadening silk
Fixed, often there is the defects of fibre damage in broadening silk, and then influence carbon fiber woven cloth and prepreg performance.The utility model limits
It is 4780~5150MPa to determine carbon fiber broadening silk multifilament tensile strength.Further, the coefficient of dispersion of multifilament tensile strength is 0
~5%.Meet the requirement carbon fiber broadening silk fiber damage it is small, collimation is good so that obtained carbon fiber woven cloth can
Overcome performance deficiency, and improve prepreg properties.
The utility model carbon fiber broadening silk is obtained by the carbon fiber broadening that the trade mark is T700SC-12K-50C, the trade mark
Larger for T700SC-12K-50C carbon fibre tow broadening amplitude, carbon fiber woven cloth made from its broadening silk is more frivolous,
Mechanical property is more excellent, higher compared to small tow price, and cost can also be reduced using such a tow.
Wherein, carbon fiber woven cloth surface density is (48~200) ± Dg/m2, surface density tolerance D≤5.Further, carbon
Fiber broadening silk width is (8~34) ± WDMm, tolerance WD≤2.5.It is obtained by the control of the parameters such as surface density and width
Carbon fiber woven cloth steady quality, excellent performance.
Preferably, carbon fiber broadening silk width may be selected from 8 ± 0.5mm, 10 ± 0.7mm, 16 ± 1mm, 20 ± 1mm, 27 ±
2mm or 34 ± 2.5mm.Carbon fiber woven cloth surface density may be selected from 200 ± 5g/m2、160±5g/m2、100±3g/m2、80±
3g/m2、60±3g/m2Or 48 ± 2g/m2.Carbon fiber woven cloth weft count may be selected from (25 ± 1.2) root/200mm, (20 ±
1.2) root/200mm, (12.5 ± 0.8) root/200mm, (10 ± 0.8) root/200mm, (7.5 ± 0.8) root/200mm or (6 ±
0.6) root/200mm.
Preferably, carbon fiber broadening silk width is (21~34) ± WDMm, tolerance WD≤ 2.5, the face of carbon fiber woven cloth
Density is (48~79) ± Dg/m2, surface density tolerance D≤3, obtained carbon fiber woven cloth thickness is only 0.04~0.09mm,
Composite more lightweight prepared by the coating carbon fibre woven cloth, performance are more excellent.
As a preferred exemplary of the present utility model, carbon fiber broadening silk width is 8mm, and tolerance is ± 0.5mm, and face is close
Spend for (200 ± 5) g/m2, every meter of carbon fiber woven cloth includes 126 warp thread and (125 ± 6) root weft yarn, and often
The control of 200mm weft yarns quantity is (25 ± 1.2) root.
As a preferred exemplary of the present utility model, carbon fiber broadening silk width is 10mm, and tolerance is ± 0.7mm, face
Density is (160 ± 5) g/m2, every meter of carbon fiber woven cloth includes 101 warp thread and (100 ± 6) root weft yarn, and often
The control of 200mm weft yarns quantity is (20 ± 1.2) root.
As a preferred exemplary of the present utility model, carbon fiber broadening silk width is 16mm, and tolerance is ± 1mm, and face is close
Spend for (100 ± 3) g/m2, every meter of carbon fiber woven cloth includes 63 warp thread and (63 ± 4) root weft yarn, and per 200mm
The control of weft yarn quantity is (12.5 ± 0.8) root.
As a preferred exemplary of the present utility model, carbon fiber broadening silk width is 20mm, and tolerance is ± 1mm, and face is close
Spend for (80 ± 3) g/m2, every meter of carbon fiber woven cloth includes 51 warp thread and (50 ± 4) root weft yarn, and per 200mm latitudes
The control of yarn quantity is (10 ± 0.8) root.
As a preferred exemplary of the present utility model, carbon fiber broadening silk width is 27mm, and tolerance is ± 2mm, and face is close
Spend for (60 ± 3) g/m2, every meter of carbon fiber woven cloth includes 38 warp thread and (37 ± 4) root weft yarn, and per 200mm latitudes
The control of yarn quantity is (7.5 ± 0.8) root.
As a preferred exemplary of the present utility model, carbon fiber broadening silk width is 34mm, and tolerance is ± 2.5mm, face
Density is (48 ± 2) g/m2, every meter of carbon fiber woven cloth includes 30 warp thread and (30 ± 3) root weft yarn, and per 200mm
The control of weft yarn quantity is (6 ± 0.6) root.
The broadening silk width and surface density of above-mentioned carbon fiber woven cloth are especially suitable for the preparation of advanced composite material, by right
Through weft count, weft yarn radian and control through weft yarn gap, obtained carbon fiber woven cloth flatness is high, and porosity is low, system
Obtain prepreg performance more preferably.
The utility model also protects a kind of prepreg standby using above-mentioned carbon fiber woven cloth and resin-made.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within the scope of protection of the utility model.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that article or equipment including a series of elements not only include those key elements, but also including not
There is an other element being expressly recited, or also include for this article or the intrinsic key element of equipment.Do not limiting more
In the case of system, the key element that is limited by sentence " including ... ", it is not excluded that in the article including the key element or equipment
Other identical element also be present.
Above example is only to illustrate the technical solution of the utility model and unrestricted, reference only to preferred embodiment pair
The utility model is described in detail.It will be understood by those within the art that can be to technology of the present utility model
Scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solutions of the utility model, all should cover at this
Among the right of utility model.
Claims (10)
1. a kind of carbon fiber woven cloth, it is characterised in that the carbon fiber woven cloth is organized as plain weave；Wherein, every meter of institute
Stating carbon fiber woven cloth includes N roots warp thread and M root weft yarns, and any of any of the N roots warp thread and the M roots weft yarn
Root is width identical carbon fiber broadening silk, and the broadening silk width is W, wherein, N is integer, (1000mm/W) ＜ N≤
(1000mm/W)+1, M=1000mm/W ± MD, also, tolerance MD≤ 6, weft yarn radian H scope are 0 ± 3mm, small through weft yarn gap
In 2mm.
2. carbon fiber woven cloth as claimed in claim 1, it is characterised in that the carbon fiber broadening silk multifilament tensile strength is
4780~5150MPa.
3. carbon fiber woven cloth as claimed in claim 1, it is characterised in that the carbon fiber broadening silk multifilament tensile strength
Coefficient of dispersion is 0~5%.
4. such as carbon fiber woven cloth according to any one of claims 1 to 3, it is characterised in that the carbon fiber broadening silk is
Obtained by the carbon fiber broadening that the trade mark is T700SC-12K-50C, the weft count control is (200mm/W ± MD/ 5) root/
200mm。
5. such as carbon fiber woven cloth according to any one of claims 1 to 3, it is characterised in that the carbon fiber broadening silk is
Obtained by the carbon fiber broadening that the trade mark is T700SC-12K-50C, the carbon fiber woven cloth surface density be (48~200) ±
Dg/m2, surface density tolerance D≤5.
6. carbon fiber woven cloth as claimed in claim 5, it is characterised in that the carbon fiber broadening silk width is (8~34)
±WDMm, tolerance WD≤ 2.5, and weft count control is (200mm/W ± MD/ 5) root/200mm.
7. carbon fiber woven cloth as claimed in claim 1, it is characterised in that the carbon fiber broadening silk width is (21~34)
±WDMm, tolerance WD≤ 2.5, the surface density of the carbon fiber woven cloth is (48~79) ± Dg/m2, surface density tolerance D≤3.
8. carbon fiber woven cloth as claimed in claim 4, it is characterised in that the carbon fiber broadening silk width be selected from 8 ±
0.5mm, 10 ± 0.7mm, 16 ± 1mm, 20 ± 1mm, 27 ± 2mm or 34 ± 2.5mm, also, the carbon fiber woven cloth face is close
Degree is correspondingly selected from 200 ± 5g/m2、160±5g/m2、100±3g/m2、80±3g/m2、60±3g/m2Or 48 ± 2g/m2。
9. carbon fiber woven cloth as claimed in claim 8, it is characterised in that the carbon fiber woven cloth weft count is selected from
(25 ± 1.2) root/200mm, (20 ± 1.2) root/200mm, (12.5 ± 0.8) root/200mm, (10 ± 0.8) root/200mm,
(7.5 ± 0.8) root/200mm or (6 ± 0.6) root/200mm.
10. a kind of prepreg, it is characterised in that the prepreg uses such as carbon fiber according to any one of claims 1 to 9
Woven cloth and resin are prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691977.1U CN206986416U (en) | 2017-06-13 | 2017-06-13 | A kind of carbon fiber woven cloth and its prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691977.1U CN206986416U (en) | 2017-06-13 | 2017-06-13 | A kind of carbon fiber woven cloth and its prepreg |
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| Publication Number | Publication Date |
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| CN206986416U true CN206986416U (en) | 2018-02-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582910A (en) * | 2018-07-11 | 2018-09-28 | 精功（绍兴）复合材料有限公司 | Carbon fiber high-temperature prepreg and laminated board thereof |
| CN111197194A (en) * | 2018-11-16 | 2020-05-26 | 汉达精密电子(昆山)有限公司 | Fiber woven cloth and prepreg thereof |
| CN112127032A (en) * | 2019-06-24 | 2020-12-25 | 科展材料科技股份有限公司 | Polymer composite fiber-expanded fabric and preparation method thereof |
| CN112680860A (en) * | 2020-12-11 | 2021-04-20 | 江苏恒力化纤股份有限公司 | Laptop upper cover plate containing fabric and preparation method thereof |
-
2017
- 2017-06-13 CN CN201720691977.1U patent/CN206986416U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582910A (en) * | 2018-07-11 | 2018-09-28 | 精功（绍兴）复合材料有限公司 | Carbon fiber high-temperature prepreg and laminated board thereof |
| CN111197194A (en) * | 2018-11-16 | 2020-05-26 | 汉达精密电子(昆山)有限公司 | Fiber woven cloth and prepreg thereof |
| CN112127032A (en) * | 2019-06-24 | 2020-12-25 | 科展材料科技股份有限公司 | Polymer composite fiber-expanded fabric and preparation method thereof |
| CN112680860A (en) * | 2020-12-11 | 2021-04-20 | 江苏恒力化纤股份有限公司 | Laptop upper cover plate containing fabric and preparation method thereof |
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