CN107475958A - Vibrate spun lacing fiber opening method and the electronic-grade glass fiber cloth obtained using this method - Google Patents
Vibrate spun lacing fiber opening method and the electronic-grade glass fiber cloth obtained using this method Download PDFInfo
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- CN107475958A CN107475958A CN201710691560.XA CN201710691560A CN107475958A CN 107475958 A CN107475958 A CN 107475958A CN 201710691560 A CN201710691560 A CN 201710691560A CN 107475958 A CN107475958 A CN 107475958A
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- spun lacing
- fibrillation
- glass fabric
- vibration
- desizing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B13/00—Treatment of textile materials with liquids, gases or vapours with aid of vibration
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/267—Glass
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/02—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing rollers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a kind of electronic-grade glass fiber cloth for vibrating spun lacing fiber opening method and being obtained using this method, it is related to glass-fiber cloth fiber-opening technical field.Vibration spun lacing fiber opening method provided by the invention is to drive water jet device to form the water jet of one group of double swerve by eccentric wheel, hits and carries out the process of fibrillation processing to it on glass fabric bundle surface.Scheme provided by the invention, beneficial effect are：Vibration spun lacing fibrillation processing method is applied to require high accuracy, the fibrillation of high uniform, high-performance printed circuit board electronic-grade glass fiber cloth, and the electronic-grade glass fiber cloth of gained, not only have and more preferably homogenize, be lightening, but also there is faster resin infiltration and more preferably resin matching.
Description
Technical field
The present invention relates to glass-fiber cloth fiber-opening technical field, more particularly to one kind to vibrate spun lacing fiber opening method and use and be somebody's turn to do
The electronic-grade glass fiber cloth that method obtains.
Background technology
By the fast development of many decades, PCB industries turn into global big industry.According to investigations, World PCB production in 2014
The industry output value accounts for more than the 25% of the electronic component industry gross output value, is the industry that ratio is maximum in electronic component subdivision industry, occupies
Unique status.In order to respond actively the development need of downstream product, PCB gradually to high density, highly integrated, fine rule road, small-bore,
Large Copacity, lightening direction are developed, and technology content and complexity improve constantly.
With the development trend of electronic product " thin, small, light, short ", PCB industries require more next to the long-term reliability of product
Higher, the requirement to its upstream product copper-clad plate (lower abbreviation " CCL ") also improves therewith.According to the hair of PCB " thin, small, light, short "
Exhibition trend, the application of thin cloth are more and more extensive.To adapt to the fast development of electronics industry, it is desirable to which glass fabric exists through weft yarn
Physically or chemically acted on down and uniformly being scattered, flat ordered arrangement, is referred to as " fibrillation ".
The thickness of cloth on the one hand can be reduced to glass-fiber cloth fiber-opening, adapts to PCB " thin " development trend；On the other hand
Single thread homogeneously dispersed state, in impregnation, the surface area that contact with resin system is big, relatively non-fibrillation when its surface and inside in
The distance of center portion position is short, and the permeability of resin can be improved in the case of same resin system, shortens the impregnation time.Therefore, glass
Cloth fibrillation can effectively improve the impregnation of glass fabric in theory, reduce the risk that cavity is formed, while can improve CCL chi
The insulation reliability of very little stability and PCB.
The fibrillation of glass fabric mainly has Physical and chemical method, and Physical includes high-pressure water-jet fibrillation, roller fibrillation
And high pressure water jets fibrillation, chemical method mainly have foaming and intumescing method.Wherein, the best results of high-pressure water-jet but investment it is huge, foaming
Not only technique is more complicated but also chemicals use cost is high for plavini, thus most of electronics cloth manufacturer all using roller fibrillation and
High pressure water jets fibrillation.
The content of the invention
It is an object of the invention to：Overcome the deficiencies in the prior art, improve the equal Uniform, wide through weft yarn of grade fiberglass cloth
Degree, the thickness for reducing grade fiberglass cloth, the cloth cover planarization for improving grade fiberglass cloth, there is provided one kind vibration spun lacing fibrillation side
Method and the electronic-grade glass fiber cloth obtained using this method, provided for downstream printed circuit board industry a kind of with high heat-resisting
Property, the fibrillation technology for the glass fabric that impregnation is good, surface roughness is lower, drill processability is good.
To realize above-mentioned target, the invention provides following technical scheme:
One kind vibration spun lacing fiber opening method, comprises the following steps：
S1, unskimmed glass fabric is obtained after being weaved at a high speed with air-jet loom.
S2, unskimmed glass fabric is subjected to pre- desizing processing by continuous heat unit.
S3, by the glass fabric after pre- desizing processing on stainless steel desizing wheel, and it is placed on steel Tobe
It is pushed on frame in debinding furnace, 60h smoldering desizing is carried out at 400 DEG C.
It is specifically, using debinding furnace that the glass fabric handled by pre- desizing is first wound on stainless steel in this step
On desizing wheel, then after being placed on steel mop frame, 60h smoldering desizing is carried out at 400 DEG C, to continue to decompose, carbonize glass
The organic matter remained in glass fiber cloth, its volatile matter can be guided by circulating air and be discharged outside debinding furnace.
S4, the glass fabric by the processing of desizing twice is carried out to vibrate spun lacing processing, this is the innovation institute of the present invention
.
Specifically in a preferred embodiment, opening vibration spun lacing device makes it (this is frequency converter using 1000-2000Hz
Frequency, FREQUENCY CONTROL bias wheel speed of the spun lacing device by frequency converter is vibrated, eccentric wheel, which can reach, under this frequency preferably turns
Speed) start, and make the eccentric wheel of vibration spun lacing device with 900r/min-1500r/min or so revolution work in the direction of the clock
Make；Now, water jet device side-to-side vibrations under the drive of eccentric wheel, and oscillation distances are 1CM or so, can be specifically
0.8cm-1.2cm；Water jet device is in itself also using pressure as 10kg/cm simultaneously2-50kg/cm2, aperture 0.1mm-0.3mm, water
The high-speed jet that temperature is 15 DEG C -80 DEG C, spun lacing pump frequency is 25Hz-50Hz is operated, so as to be shaken to glass fabric
Dynamic spun lacing fibrillation processing.
S5, will pass through the glass fabric for vibrating the processing of spun lacing fibrillation through excess pressure is 10kg/cm2-100kg/cm2Plus
Pressure roller sizing, and dried by drying stove.
Specifically, in this step extruded the glass fabric after vibrating the processing of spun lacing fibrillation using pressure roller group,
To exclude unnecessary moisture；Wherein, pressure roller group is 10kg/cm to the pressure of glass fabric2-100kg/cm2, further can be excellent
Elect 15kg/cm as2。
S6, by the glass fabric after shaping and drying after silane coupler impregnation, obtain electronic-grade glass
Cloth.
Specifically, in this step using dipping tank by the glass fabric after shaping and drying through silane coupler dipping at
Reason.
The present invention also provides a kind of electronic-grade glass fiber cloth, is obtained using foregoing vibration spun lacing fiber opening method.
The above technical scheme that the present invention uses, compared with prior art, for example and without limitation, have with following
Beneficial effect：Vibration spun lacing fiber opening method provided by the invention is applied to require that high accuracy, height are uniform, high-performance printed circuit board
The fibrillation processing of electronic-grade glass fiber cloth, by the electronic-grade glass fiber cloth of this fibrillation technology, not only have more preferably equal
Homogenize, be lightening, and there is faster resin infiltration, suitable for printed circuit board insulation reinforcing material, with extensive use
In the high-end products such as mobile phone board, tablet personal computer, intelligent automobile control panel, miniature single-lens reflex camera, wearable device.
Brief description of the drawings
Fig. 1 is some processes flow chart of vibration spun lacing fiber opening method of the present invention；
Fig. 2 is the circulation schematic diagram of vibration spun lacing fluid of the present invention；
Fig. 3 a are the axonometric drawing of vibration spun lacing device of the present invention；
Fig. 3 b are the front view of vibration spun lacing device of the present invention；
Fig. 3 c are the left view of vibration spun lacing device of the present invention；
Fig. 4 a are the schematic diagram that non-vibration spun lacing fibrillation of the present invention handles glass fabric；
Fig. 4 b are the schematic diagram that vibration spun lacing fibrillation of the present invention handles glass fabric.
Description of reference numerals：
Debinding furnace 1；Holding guipure 2；Vibrate spun lacing device 3, water jet device 31, eccentric wheel 32, eccentric wheel-drive motor
33；Pick trough 4；Pressure roller group 5；Drying stove 6；Dipping tank 7；Pre- press pump 8；Filter 9；Multistage pressure pump 10；Control operation device
11；Glass fabric A；Glass fabric B.
Embodiment
To vibration spun lacing fiber opening method provided by the invention and the party is used below in conjunction with specific embodiment and its accompanying drawing
The technical scheme for the electronic-grade glass fiber cloth that method obtains is described further.With reference to following explanation, advantages of the present invention and spy
Sign will be apparent from.
It should be noted that embodiments of the invention have preferable implementation, it is not to any type of limit of the present invention
It is fixed.The combination of technical characteristic or technical characteristic described in the embodiment of the present invention is not construed as isolated, and they can
Reach superior technique effect to be mutually combined.The scope of the preferred embodiment for the present invention can also include other reality
It is existing, and this should be understood by person of ordinary skill in the field of the embodiment of the present invention.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely exemplary, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
The accompanying drawing of the present invention uses using very simplified form and non-accurately ratio, only to convenient, apparent
Ground aids in illustrating the purpose of the embodiment of the present invention, is not to limit the enforceable qualifications of the present invention.The modification of any structure,
The change of proportionate relationship or the adjustment of size, in the case where not influenceing the effect of the invention that can be generated and the purpose that can reach,
It should fall in the range of disclosed technology contents can be covered.And the identical label appeared in each accompanying drawing of the present invention
Identical feature or part are represented, can be applied in different embodiments.
As shown in Figure 1 to Figure 4 shown in b, the present invention provides a kind of electricity for vibrating spun lacing fiber opening method and being obtained using this method
Sub- grade fiberglass cloth.
Vibration spun lacing fiber opening method provided by the invention comprises the following steps：
S1, unskimmed glass fabric is obtained after being weaved at a high speed with air-jet loom.
S2, unskimmed glass fabric is subjected to pre- desizing processing by continuous heat unit.
S3, by the glass fabric after pre- desizing processing on stainless steel desizing wheel, and it is placed on steel Tobe
It is pushed on frame in debinding furnace, 60h smoldering desizing (as shown in Figure 1) is carried out at 400 DEG C.
It is specifically, using debinding furnace 1 that the glass fabric handled by pre- desizing is first wound on stainless in this step
On steel desizing wheel, then after being placed on steel mop frame, 60h smoldering desizing is carried out at 400 DEG C, to continue to decompose, carbonize
The organic matter remained on glass fabric, its volatile matter can be guided by circulating air and be discharged outside debinding furnace 1.
S4, the glass fabric by the processing of desizing twice is carried out vibrating spun lacing processing (as shown in Figure 1).
Vibration spun lacing processing is the innovation place of the present invention.Specifically in a preferred embodiment, vibration spun lacing dress is opened
Put 3 make its using 1000-2000Hz (this as frequency converter frequency, vibrate FREQUENCY CONTROL eccentric wheel of the spun lacing device by frequency converter
Rotating speed, eccentric wheel can reach preferred rotating speed under this frequency) start, and make the eccentric wheel 32 of vibration spun lacing device 3 with 900r/
Min-1500r/min or so revolution works in the direction of the clock；Now, drive bottom left of the water jet device 31 in eccentric wheel 32
Right vibration, and oscillation distances are 1cm or so, can be specifically 0.8cm-1.2cm；Water jet device 31 itself is also with pressure simultaneously
For 10kg/cm2-50kg/cm2, aperture 0.1mm-0.3mm, water temperature is 15 DEG C -80 DEG C, spun lacing pump frequency is 25Hz-50Hz's
High-speed jet is operated, so as to carry out vibrating the processing of spun lacing fibrillation to glass fabric.
S5, will pass through the glass fabric for vibrating the processing of spun lacing fibrillation through excess pressure is 10kg/cm2-100kg/cm2Plus
Pressure roller sizing, and dried by drying stove 6.
Specifically, in this step extruded the glass fabric after vibrating the processing of spun lacing fibrillation using pressure roller group 5,
To exclude unnecessary moisture；Wherein, pressure roller group 5 is 10kg/cm to the pressure of glass fabric2-100kg/cm2, further can be excellent
Elect 15kg/cm as2。
S6, by the glass fabric after shaping and drying after silane coupler impregnation, obtain electronic-grade glass
Cloth.
Specifically, the glass fabric after shaping and drying is impregnated through silane coupler using dipping tank 7 in this step
Processing.
As depicted in figs. 1 and 2, holding net is also included in the technological process of vibration spun lacing fiber opening method of the present invention
Band 2, pick trough 4, pre- press pump 8, filter 9, multistage pressure pump 10 and control operation device 11.
For example and without limitation, the pick trough 4 can be a rectangular cell body, and its main function is recycle-water
Pierce fluid；The spun lacing fluid includes the pure water and recovery pure water that DI provides.Further, set in the top of the pick trough 4
It is equipped with holding guipure 2.
The pre- press pump 8 connects pick trough 4 by pipeline, for the fluid in pick trough 4 to be sucked into circulation line；Enter one
Step, pre- press pump 8 are also connected by pipeline with filter 9, and the filter 9 is used for the spun lacing fluid for filtering recovery in pick trough 4
In impurity, to ensure that vibration spun lacing fluid is clean, and vibration spun lacing fluid is changed into repeatable and utilize resource, while can be with
Allow the notch of pick trough 4 to possess certain suction, be allowed in the fluid suction pick trough on the surface of holding guipure 2 faster.Preferably,
The frequency of use 2000Hz of pre- press pump 8.
The multistage pressure pump 10 to for vibrate spun lacing high-velocity flow operating pressure is provided；Specifically, multistage pressure
Pump 10 can be by the fluid pressurized of the pre- suction line from wash water groove 4 of press pump 8, and provides the fluid of a steady pressure.
In the present invention, the control operation device 11 is not located in fluid circulating line, be placed in figure it is merely meant that this
Device and entirely circulate it is relevant, to control the operation of pre- press pump 8, multistage pressure pump 10 and vibration spun lacing device 3；Specifically
, it is responsible for the unlatching and stopping of pre- press pump 8, multistage pressure pump 10 and vibration spun lacing device 3, and the setting of running parameter.
For example and without limitation, the control operation device 11 can be arranged at the side of vibration spun lacing device 3.
As shown in Fig. 3 a, Fig. 3 b and Fig. 3 c, vibration spun lacing device 3 of the present invention includes water jet device 31, eccentric wheel
32 and eccentric wheel-drive motor 33.Wherein, eccentric wheel-drive motor 33 is connected with eccentric wheel 32, and eccentric wheel 32 is fixed by base
On water jet device 31.During work, eccentric wheel-drive motor 33 rotates with movable eccentric wheel 32, and eccentric wheel 32 drives water jet dress
31 side-to-side vibrations are put, while water jet device 31 makes to form ratio by the fluid with certain steady pressure of multistage pressure pump 10
Relatively stable water jet, the water jet strike carry out fibrillation processing on glass fabric bundle surface to it.
Further, after thering is row's aperture, current to be pressurized by multistage pressure pump 10 under water jet device 31 of the present invention,
The multiple water columns of row pattern are formed, form water jet；Thus, water jet of the present invention is small column current, and it can be from top to bottom
Strike ties up side in glass fabric.
In a preferred embodiment, opening vibration spun lacing device 3 makes it using 1000-2000Hz (this frequency as frequency converter
Rate, FREQUENCY CONTROL bias wheel speed of the spun lacing device by frequency converter is vibrated, eccentric wheel can reach preferred rotating speed under this frequency)
Start, and make the eccentric wheel 32 of vibration spun lacing device 3 with 900r/min-1500r/min or so revolution work in the direction of the clock
Make；Now, the side-to-side vibrations under the drive of eccentric wheel 32 of water jet device 31, and oscillation distances are 1cm or so, can be specifically
0.8cm-1.2cm；Water jet device 31 itself is also using pressure as 10kg/cm simultaneously2-50kg/cm2, aperture 0.1mm-0.3mm,
The high-speed jet that water temperature is 15 DEG C -80 DEG C, spun lacing pump frequency is 25Hz-50Hz is operated, so as to be carried out to glass fabric
Vibrate the processing of spun lacing fibrillation.
In the present invention, the velocity of rotation of the rotational frequency control eccentric 32 of eccentric wheel-drive motor 33, eccentric wheel 32
Velocity of rotation control water jet device 31 Oscillation Amplitude, the rotational frequency of eccentric wheel-drive motor 33 is higher, eccentric wheel 32
Velocity of rotation it is faster, the side-to-side vibrations amplitude of water jet device 31 is also bigger.
(direction of arrow is the flow direction of spun lacing fluid) as shown in Figure 2, during spun lacing fibrillation is vibrated, spun lacing fluid
First pass through pre- press pump 8 and be sucked into filter 9, then be admitted to multistage pressure pump 10, and then vibration is squeezed into by multistage pressure pump 10
In spun lacing device 3, and by vibrating the water jet of the one group of double swerve of formation of spun lacing device 3, hit in glass fabric bundle table
Uniform fibrillation processing is carried out in face of it, spun lacing fluid is sucked into pick trough 4 by holding guipure 2 again afterwards；Then, repeat
Above-mentioned steps are handled with the fibrillation completed to glass fabric.
Further, as knowable to Fig. 4 a and Fig. 4 b, through the treated glass fibre of vibration spun lacing fiber opening method of the present invention
Cloth B, compared with using the glass fabric A of non-vibration spun lacing fiber opening method processing, there is more preferable uniformity.Because non-
Vibrate in spun lacing fibrillation processing procedure (as shown in fig. 4 a), water column strike is total between water column and water column while cloth ties surface
Gap can be produced, causes some yarns can not be hit by water column and arrives, and then cause fibrillation uneven；And in vibration spun lacing fibrillation processing
During (as shown in Figure 4 b), water column hit cloth bundle while can have certain amplitude side-to-side vibrations, and produce one group shake
Dynamic spun lacing, so that water column can be hit on each glass fibre, makes fibrillation more uniform.
The present invention also provides a kind of electronic-grade glass fiber cloth, is obtained using foregoing vibration spun lacing fiber opening method.
It is fine to the electron level obtained using spun lacing fibrillation processing method provided by the invention with three specific embodiments below
The performance of dimension cloth illustrates.
Embodiment one
2116 embryo cloths (glass fabric of non-desizing) using the production of grand and electronic material Science and Technology Co., Ltd. make
Fibrillation processing is carried out with the present invention.Data see attached list 1.
Electronic-grade glass fiber cloth fibrillation handling process, glass fiber yarn are not taken off after air-jet loom is weaved at a high speed
The glass fabric (fabric) of fat.Unskimmed glass fabric is first passed through into continuous heat unit to carry out at pre- desizing
Manage, most of organic matter is removed on the glass fabric after pre- desizing processing, and organic substance residues amount is less than 0.5%.Fabric
After pre- desizing, on the desizing wheel of stainless steel, it is placed on special Tobe steelframe, is pushed into smoldering in debinding furnace, will
The organic matter remained on fabric, continue to be decomposed, carbonize, its volatile matter is discharged outside stove by circulating air guiding, is moved back through smoldering
Glass fabric of the content of organics below 0.03% is obtained after slurry processing.Then by the glass fibre after desizing twice
It is placed in pressure 10-50Kg/cm2, aperture 0.1mm, 15-80 DEG C of water temperature, vibration frequency 25-50Hz high-pressure jet under carry out fibrillation
Processing, spun lacing fiber-opening apparatus is while injection water, in the presence of holding guipure, eccentric wheel, eccentric wheel motor, does front and rear
Move back and forth, glass fabric is carried out abundant fibrillation, uniform fibrillation.After through pressure be 15Kg/cm2Compression roller exclude it is more
Remaining moisture content, and surface treated machine dipping silane coupler after obtain fibrillation uniformly, the glass that cloth cover planarization is good, impregnation is good
Glass fiber cloth.(seeing attached list 1)
Embodiment two
1080 embryo cloths (glass fabric of non-desizing) using the production of grand and electronic material Science and Technology Co., Ltd. make
Fibrillation processing is carried out with the present invention.Data see attached list 1.
Electronic-grade glass fiber cloth fibrillation handling process, glass fiber yarn are not taken off after air-jet loom is weaved at a high speed
The glass fabric (fabric) of fat.Unskimmed glass fabric is first passed through into continuous heat unit to carry out at pre- desizing
Manage, most of organic matter is removed on the glass fabric after pre- desizing processing, and organic substance residues amount is less than 0.5%.Fabric
After pre- desizing, on the desizing wheel of stainless steel, it is placed on special Tobe steelframe, is pushed into smoldering in debinding furnace, will
The organic matter remained on fabric, continue to be decomposed, carbonize, its volatile matter is discharged outside stove by circulating air guiding, is moved back through smoldering
Glass fabric of the content of organics below 0.03% is obtained after slurry processing.Then by the glass fibre after desizing twice
It is placed in pressure 10-50Kg/cm2, aperture 0.1mm, 15-80 DEG C of water temperature, vibration frequency 25-50Hz high-pressure jet under carry out fibrillation
Processing, spun lacing fiber-opening apparatus is while injection water, in the presence of holding guipure, eccentric wheel, eccentric wheel motor, does front and rear
Move back and forth, glass fabric is carried out abundant fibrillation, uniform fibrillation.After through pressure be 15Kg/cm2Compression roller exclude it is more
Remaining moisture content, and surface treated machine dipping silane coupler after obtain fibrillation uniformly, the glass that cloth cover planarization is good, impregnation is good
Glass fiber cloth.(seeing attached list 1)
Embodiment three
Used using 106 embryo cloths (glass fabric of non-desizing) of grand and electronic material Science and Technology Co., Ltd. production
The present invention carries out fibrillation processing.Data are seen attached list.
Electronic-grade glass fiber cloth fibrillation handling process, glass fiber yarn are not taken off after air-jet loom is weaved at a high speed
The glass fabric (fabric) of fat.Unskimmed glass fabric is first passed through into continuous heat unit to carry out at pre- desizing
Manage, most of organic matter is removed on the glass fabric after pre- desizing processing, and organic substance residues amount is less than 0.5%.Fabric
After pre- desizing, on the desizing wheel of stainless steel, it is placed on special Tobe steelframe, is pushed into smoldering in debinding furnace, will
The organic matter remained on fabric, continue to be decomposed, carbonize, its volatile matter is discharged outside stove by circulating air guiding, is moved back through smoldering
Glass fabric of the content of organics below 0.03% is obtained after slurry processing.Then by the glass fibre after desizing twice
It is placed in pressure 10-50Kg/cm2, aperture 0.1mm, 15-80 DEG C of water temperature, vibration frequency 25-50Hz high-pressure jet under carry out fibrillation
Processing, spun lacing fiber-opening apparatus is while injection water, in the presence of holding guipure, eccentric wheel, eccentric wheel motor, does front and rear
Move back and forth, glass fabric is carried out abundant fibrillation, uniform fibrillation.After through pressure be 15Kg/cm2Compression roller exclude it is more
Remaining moisture content, and surface treated machine dipping silane coupler after obtain fibrillation uniformly, the glass that cloth cover planarization is good, impregnation is good
Glass fiber cloth.(seeing attached list 1)
Comparative example one
According to existing production technology, 2116 cloth produced using grand and electronic material Science and Technology Co., Ltd., via
The finished product obtained after surface treating machine dipping silane coupler is compared.
Glass fiber yarn obtains unskimmed glass fabric after air-jet loom weaving, by Lian Xu Tui Pulp, smoldering
Desizing, glass fabric content of organics reach less than 0.03%, after surface treated machine dipping silane coupler is handled
The electronic-grade glass fiber cloth for comparing is obtained, sees attached list 1.
Comparative example two
According to existing production technology, 1080 cloth produced using grand and electronic material Science and Technology Co., Ltd., via
The finished product obtained after surface treating machine dipping silane coupler is compared.
Glass fiber yarn obtains unskimmed glass fabric after air-jet loom weaving, by Lian Xu Tui Pulp, smoldering
Desizing, glass fabric content of organics reach less than 0.03%, after surface treated machine dipping silane coupler is handled
The electronic-grade glass fiber cloth for comparing is obtained, sees attached list 1.
Comparative example three
According to existing production technology, using 106 cloth of grand and electronic material Science and Technology Co., Ltd. production, via table
The finished product obtained after the processor dipping silane coupler of face is compared.
Glass fiber yarn obtains unskimmed glass fabric after air-jet loom weaving, by Lian Xu Tui Pulp, smoldering
Desizing, glass fabric content of organics reach less than 0.03%, after surface treated machine dipping silane coupler is handled
The electronic-grade glass fiber cloth for comparing is obtained, sees attached list 1.
Subordinate list 1
In subordinate list 1, R (range) value represents smaller through the difference between weft yarn fibrillation width maxima and minima, R values
Represent that fibrillation processing is more uniform, and R values are bigger and represent fibrillation handle it is more uneven.
It was found from from subordinate list 1, the treated glass fabric of spun lacing fiber opening method is vibrated by provided by the invention, not only
More preferably, and it is wider compared with the product produced originally through weft width for uniformity, and cloth face thickness and air permeability significantly reduce,
The impregnation time greatly reduces, and heat resistance lifting, cloth surface evenness improves.
Technical scheme, for example and without limitation, have the advantages that：Vibration water provided by the invention
Thorn fibrillation processing method be applied to require high accuracy, it is high uniformly, the electronic-grade glass fiber cloth of high-performance printed circuit board opens
Fibre processing, by the electronic-grade glass fiber cloth of this fibrillation technology, not only have and more preferably homogenize, be lightening, and have
Faster resin infiltration and more preferably resin matching, suitable for printed circuit board insulation reinforcing material, to be widely used in
In the high-end products such as mobile phone board, tablet personal computer, intelligent automobile control panel, miniature single-lens reflex camera, wearable device.
Foregoing description is only the description to present pre-ferred embodiments, is not any restriction to the scope of the invention.Appoint
Any change or modification what those skilled in the art makes according to the technology contents of the disclosure above should regard
For equivalent effective embodiment, the scope that technical solution of the present invention is protected is belonged to.
Claims (4)
1. one kind vibration spun lacing fiber opening method, it is characterised in that：Water jet device is driven to form one group or so rolling by eccentric wheel
Dynamic water jet, hit and fibrillation processing is carried out to it on glass fabric bundle surface.
2. vibration spun lacing fiber opening method according to claim 1, it is characterised in that：Vibrate spun lacing device eccentric wheel with
900r/min-1500r/min revolution drives water jet device side-to-side vibrations, and oscillation distances are 0.8cm-1.2cm；Water simultaneously
Fluidic device is in itself using pressure as 10kg/cm2-50kg/cm2, aperture 0.1mm-0.3mm, water temperature is 15 DEG C -80 DEG C, spun lacing pump
Frequency is that 25Hz-50Hz high-speed jet is operated.
3. vibration spun lacing fiber opening method according to claim 1, it is characterised in that：Vibration spun lacing fibrillation processing procedure it
It is preceding also to comprise the following steps,
Unskimmed glass fabric is obtained after being weaved at a high speed with air-jet loom；
Unskimmed glass fabric is subjected to pre- desizing processing by continuous heat unit；
By the glass fabric after pre- desizing processing on stainless steel desizing wheel, and it is placed on steel mop frame and is pushed into
In debinding furnace, 60h smoldering desizing is carried out at 400 DEG C；
Also comprise the following steps after spun lacing fibrillation processing procedure is vibrated,
It is 10kg/cm that the glass fabric for vibrating the processing of spun lacing fibrillation, which will be passed through, through excess pressure2-100kg/cm2Backer roll determine
Type, and dried by drying stove；
By the glass fabric after shaping and drying through silane coupler impregnation.
A kind of 4. electronic-grade glass fiber cloth, it is characterised in that：Obtained using vibration spun lacing fiber opening method as claimed in claim 1
.
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| CN109576923A (en) * | 2019-01-17 | 2019-04-05 | 河南光远新材料股份有限公司 | A kind of electronic-grade glass fiber cloth fiber-opening apparatus and pure water recovery system |
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| CN111705469A (en) * | 2020-06-22 | 2020-09-25 | 科纺勒特种纺织品(太仓)有限公司 | Carbon fiber fabric uniform treatment method and equipment |
| CN114605760A (en) * | 2022-03-29 | 2022-06-10 | 江苏博诚新科技材料有限公司 | Process for preparing polytetrafluoroethylene glass fiber breathable varnished cloth |
| CN114645365A (en) * | 2022-03-18 | 2022-06-21 | 泰山玻璃纤维邹城有限公司 | Splitting process easy to clean electronic-grade glass fiber cloth slurry and slurry used in splitting process |
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| CN114645365A (en) * | 2022-03-18 | 2022-06-21 | 泰山玻璃纤维邹城有限公司 | Splitting process easy to clean electronic-grade glass fiber cloth slurry and slurry used in splitting process |
| CN114605760A (en) * | 2022-03-29 | 2022-06-10 | 江苏博诚新科技材料有限公司 | Process for preparing polytetrafluoroethylene glass fiber breathable varnished cloth |
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