CN115478436B - Electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn - Google Patents
Electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn Download PDFInfo
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- CN115478436B CN115478436B CN202211215599.1A CN202211215599A CN115478436B CN 115478436 B CN115478436 B CN 115478436B CN 202211215599 A CN202211215599 A CN 202211215599A CN 115478436 B CN115478436 B CN 115478436B
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- 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
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- 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
- D03D15/40—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 structure of the yarns or threads
- D03D15/41—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 structure of the yarns or threads with specific twist
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- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
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- D—TEXTILES; PAPER
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- 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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
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- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the field of glass fiber cloth manufacturing, in particular to electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarns. The production method of the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn comprises the following steps: (1) Carrying out warping treatment on the glass fiber yarn with ultralow twist, immersing the glass fiber yarn into sizing agent for sizing treatment, removing surface sizing agent by pressing, and carrying out drying and yarn splitting treatment; (2) The split yarn obtained in the step (1) is made into a beam, and weaving is carried out to form glass embryo cloth; (3) And (3) desizing, surface treatment and water splitting treatment are carried out on the embryo cloth in the step (2) to obtain the glass fiber cloth. The electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn has better compressive strength, shearing strength and low defect and feather rate.
Description
Technical Field
The invention relates to the field of glass fiber cloth manufacturing, in particular to electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarns.
Background
The electronic grade glass fiber cloth is a printed circuit board substrate widely applied to electronic equipment in the fields of computers, communication, traffic, medical treatment and the like, and is one of three main materials for producing Copper Clad Laminate (CCL), the main components of the electronic grade glass fiber cloth are a ternary system of SiO2, al2O3 and CaO, on the basis, the glass fiber cloth is added with B2O3 to replace part of SiO2, mgO to replace part of CaO, so that the glass fiber which is commonly used at present is formed, and the main raw materials are silicon yarn, limestone, boron oxide and the like, and the electronic grade glass fiber cloth has excellent electrical characteristics, insulativity, weather resistance, chemical corrosion resistance and the like.
The fiber cloth made of the ultra-low twist yarn has poor compression resistance and shearing resistance, and the glass fiber cloth is fragile and easy to break; and the fibers are loosely arranged, and the yarn is easy to generate feathers. Therefore, the invention is based on the solution of the problems, and provides the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn, so as to solve the technical problems that the electronic grade glass fiber cloth produced by the ultra-low twist yarn does not have mechanical properties and low feather rate.
Disclosure of Invention
The invention provides an electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarns, which aims to solve the technical problems that the electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarns does not have better mechanical properties and lower feather rate.
In one aspect, the invention provides a method for producing electronic grade glass fiber cloth by using ultra-low twist glass fiber yarns, which comprises the following steps: (1) Carrying out warping treatment on the glass fiber yarn with ultralow twist, immersing the glass fiber yarn into sizing agent for sizing treatment, removing surface sizing agent by pressing, and carrying out drying and yarn splitting treatment;
(2) The split yarn obtained in the step (1) is made into a beam, and weaving is carried out to form glass embryo cloth;
(3) And (3) desizing, surface treatment and water splitting treatment are carried out on the embryo cloth in the step (2) to obtain the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn.
Further, the ultra-low twist is 15-35 twists.
In order to improve the mechanical property of the fiber cloth and achieve low feather rate, the invention creatively carries out relevant improvement from sizing agent to obtain sizing agent capable of overcoming the defects when the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn is manufactured. The sizing agent comprises water, carrageenan, halloysite fine powder, amido gemini quaternary ammonium salt, cationic polyacrylamide, a lubricant and dihydric alcohol.
The water in the sizing agent may be common water, such as at least one of deionized water, distilled water, tap water, ionized water, seawater, and the like. The water accounts for 85-96% of the mass of the sizing agent, preferably 86-96%, 87-96%, 88-95%, 89-95%, 90-96% and the like.
The carrageenan in the sizing agent can be selected from carrageenan LV-R-03 commodity with trade name of Anhui Mukang food Co., ltd, and can also be selected from carrageenan KA200, KA120 or KA80 from Jiangsu Yuan biological engineering Limited. Based on the mechanical properties of the fiber cloth and the low feathering rate, the mass usage amount of the carrageenan in the sizing agent is 0.5-2.5 percent, preferably 0.5-2.3 percent, 0.5-2.2 percent, 0.5-2.0 percent, 0.6-1.8 percent, 0.7-1.7 percent and the like.
The halloysite fine powder in the sizing agent has a particle diameter of 0.01-50 μm, preferably 0.05-45 μm, 0.05-40 μm, 0.05-30 μm, 0.05-20 μm, 0.05-10 μm when considering the mechanical properties and low feathering rate of the fiber cloth. The mass dosage of halloysite fine powder in the sizing agent is 0.1-1.5% of the mass of the sizing agent, preferably 0.1-1.45%, 0.1-1.40%, 0.15-1.40%, 0.20-1.35%, 0.25-1.2% and the like. The halloysite fine powder can be selected from halloysite powder products in mineral product processing factories of Shang-shou county Rong Long.
The amidoGemini quaternary ammonium salt in the sizing agent can be selected from amidoGemini quaternary ammonium salt with trade name of Tescow chemical industry (Hubei) limited company, and GS-A6 commodity. Based on the mechanical properties of the fiber cloth and the low feathering rate, the mass usage amount of the amido gemini quaternary ammonium salt in the sizing agent is 0.1-2.0 percent, preferably 0.1-1.8 percent, 0.1-1.7 percent, 0.2-1.6 percent, 0.2-1.5 percent, 0.3-1.5 percent and the like.
The cationic polyacrylamide in the sizing agent can be selected from cationic polyacrylamides of Texas Ruixin Water purification raw materials, chongqing Xuanyu chemical industry, inc. Based on the mechanical properties of the fiber cloth and the low feathering rate, the mass usage amount of the cationic polyacrylamide in the sizing agent is 0.1-2.0 percent, preferably 0.1-1.8 percent, 0.1-1.7 percent, 0.2-1.6 percent, 0.2-1.5 percent, 0.3-1.5 percent and the like.
The lubricant in the sizing agent may be a wax, such as at least one of beeswax, carnauba wax, candelilla wax, polyethylene wax, or the like. The lubricant is used in an amount of 0.5 to 2.5% by mass, preferably 0.5 to 2.3%, 0.5 to 2.2%, 0.6 to 2.2%, 0.7 to 2.0% by mass, etc., based on the mechanical properties of the fiber cloth and low feathering rate.
The glycol in the sizing agent is a non-polymer glycol when considered based on the mechanical properties and low feathering of the fiber cloth. The dihydric alcohol is at least one of ethylene glycol, propylene glycol, butanediol, pentanediol and the like. The mass usage amount of the dihydric alcohol is 1.0-6.0%, preferably 1.2-6.0%, 2.0-5.8%, 2.5-5.5%, 2.6-5.4% and the like based on the mechanical property of the fiber cloth and the low feathering rate.
Preferably, the sizing agent comprises: 85-96% of water, 0.5-2.5% of carrageenan, 0.1-1.5% of halloysite fine powder, 0.1-2.0% of amide gemini quaternary ammonium salt, 0.1-2.0% of cationic polyacrylamide, 0.5-2.5% of lubricant and 1.0-6.0% of dihydric alcohol.
Preferably, the sizing agent comprises: 86-96% of water, 0.5-2.3% of carrageenan, 0.1-1.45% of halloysite fine powder, 0.1-1.8% of amide gemini quaternary ammonium salt, 0.1-1.8% of cationic polyacrylamide, 0.5-2.3% of lubricant and 1.2-6.0% of dihydric alcohol.
Preferably, the sizing agent comprises: 87-96% of water, 0.5-2.2% of carrageenan, 0.1-1.4% of halloysite fine powder, 0.2-1.7% of amide gemini quaternary ammonium salt, 0.2-1.6% of cationic polyacrylamide, 0.6-2.2% of lubricant and 2.0-5.8 of dihydric alcohol.
On the other hand, the invention provides electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarns, which is prepared by the preparation method.
The beneficial effects are that:
the electronic grade glass fiber cloth produced by the ultralow-twist glass fiber yarn has better compressive strength and shearing strength, and also has low defects and low feather rate, and when the electronic grade glass fiber cloth produced by the ultralow-twist glass fiber yarn is manufactured, the electronic grade glass fiber cloth is creatively improved from sizing agents to select sizing agents compounded by water, carrageenan, halloysite fine powder, amido gemini quaternary ammonium salt, cationic polyacrylamide, lubricant and dihydric alcohol to treat the fiber yarn, so that the defect of poor mechanical performance and feather rate when the ultralow-twist glass fiber yarn is used for producing the fiber cloth is overcome.
The compressive strength of the fiber cloth can reach 4.36N/mm 2 The shearing strength can be achieved9.58KN/m, 8.31 warp-direction defects (per one meter/one meter) and 9.04 warp-direction defects (per one meter/one meter).
The halloysite fine powder provided by the invention endows the fiber cloth with better strength and a certain low-defect effect. And the effect of the fiber cloth obtained by using mica powder with the same particle size is not good in the invention.
The amido gemini quaternary ammonium salt and the cationic polyacrylamide have synergistic compound effects, and the amido gemini quaternary ammonium salt and the cationic polyacrylamide can synergistically increase the strength of fiber cloth and reduce the defect effect. The main reason is that the binary quaternary ammonium salt and the cationic polyacrylamide can be compounded to endow the sizing agent with better dispersing and sizing effects, and can enable components such as halloysite, lubricant and the like to be better attached to the fiber yarn to effectively improve the fiber yarn.
The invention uses the dihydric alcohol to select the non-polymer dihydric alcohol, and the dihydric alcohol ensures that the product has better mechanical property, low defects and low feather rate. Compared with polyalcohols such as polyethylene glycol, the dihydric alcohol used in the invention has better effect of increasing the product performance.
The preparation method of the fiber cloth is simple, and the obtained fiber cloth has low mechanical property, defect rate and feather rate and has good application prospect.
Detailed Description
The advantages and various effects of the present invention will be more clearly apparent from the following detailed description and examples. It will be understood by those skilled in the art that these specific embodiments and examples are intended to illustrate the invention, not to limit the invention.
Throughout the specification, unless specifically indicated otherwise, the terms used herein should be understood as meaning as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification will control.
Unless otherwise specifically indicated, the various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or may be prepared by existing methods.
The raw material sources of the embodiment and the comparative example of the invention are as follows: carrageenan: the trade name of LV-R-03 of Anhui Mukang food Co., ltd; halloysite fines: mineral processing plant of Lingshu county Rong Long, and screening to obtain powder with particle size of 0.05-20 μm; amide gemini quaternary ammonium salt: an amidogemini quaternary ammonium salt GS-A6, trade name of Tescow chemical (Hubei) limited company; cationic polyacrylamide: texas ruixing water purification raw materials limited.
Example 1:
an electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn is prepared by the following steps: (1) Carrying out warping treatment on the ultra-low twist glass fiber yarn with 25 twists, immersing the glass fiber yarn into sizing agent for sizing treatment, removing surface sizing agent by pressing, and carrying out drying and yarn splitting treatment;
(4) The split yarn obtained in the step (1) is made into a beam, and weaving is carried out to form glass embryo cloth;
(5) Performing desizing, surface treatment and water splitting treatment on the embryo cloth in the step (2) to obtain the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn;
the sizing agent is as follows: 90.9% of water, 1.5% of carrageenan, 0.8% of halloysite fine powder, 1.2% of amido gemini quaternary ammonium salt, 1.0% of cationic polyacrylamide, 1.1% of lubricant beeswax and 3.5% of dihydric alcohol glycol. The sizing agent is obtained by stirring water, carrageenan and halloysite fine powder for 0.5 hour at 1000 rpm, then adding the rest raw materials and continuously stirring for 1 hour.
Example 2:
an electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn is prepared by the following steps: (1) Carrying out warping treatment on the ultra-low twist glass fiber yarn with 20 twists, immersing the glass fiber yarn into sizing agent for sizing treatment, removing surface sizing agent by pressing, and carrying out drying and yarn splitting treatment;
(6) The split yarn obtained in the step (1) is made into a beam, and weaving is carried out to form glass embryo cloth;
(7) Performing desizing, surface treatment and water splitting treatment on the embryo cloth in the step (2) to obtain the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn;
the sizing agent comprises, by mass, 100% of water, 0.6% of carrageenan, 1.5% of halloysite fine powder, 0.1% of amido gemini quaternary ammonium salt, 2.0% of cationic polyacrylamide, 0.6% of lubricant carnauba wax and 1.5% of dihydric alcohol propylene glycol. The sizing agent is obtained by stirring water, carrageenan and halloysite fine powder for 0.5 hour at 1000 rpm, then adding the rest raw materials and continuously stirring for 1 hour.
Example 3:
an electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn is prepared by the following steps: (1) Carrying out warping treatment on the ultra-low twist glass fiber yarn with 20 twists, immersing the glass fiber yarn into sizing agent for sizing treatment, removing surface sizing agent by pressing, and carrying out drying and yarn splitting treatment;
(2) The split yarn obtained in the step (1) is made into a beam, and weaving is carried out to form glass embryo cloth;
(3) Performing desizing, surface treatment and water splitting treatment on the embryo cloth in the step (2) to obtain the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn;
the sizing agent comprises, by mass, 100% of water, 2.0% of carrageenan, 0.4% of halloysite fine powder, 1.5% of amido gemini quaternary ammonium salt, 0.2% of cationic polyacrylamide, 1.5% of lubricant carnauba wax and 5.8% of dihydric alcohol butanediol. The sizing agent is obtained by stirring water, carrageenan and halloysite fine powder for 0.5 hour at 1000 rpm, then adding the rest raw materials and continuously stirring for 1 hour.
Comparative example 1: the only difference from example 1 is that: the sizing agent does not contain halloysite fine powder, and the water content of the sizing agent is increased to 91.7%.
Comparative example 2: the only difference from example 1 is that: the mica powder with the same quality and the same particle size specification is used for replacing halloysite fine powder in the sizing agent.
Comparative example 3: the only difference from example 1 is that: the mass of halloysite fine powder in the sizing agent is 2.0%, and the mass of water is 89.7%.
Comparative example 4: the only difference from example 1 is that: the amide gemini quaternary ammonium salt is omitted in the sizing agent, and the cationic polyacrylamide consumption is changed into 2.2 percent.
Comparative example 5: the only difference from example 1 is that: the cationic polyacrylamide is omitted from the sizing agent, and the usage amount of the amido gemini quaternary ammonium salt is 2.2 percent.
Comparative example 6: the only difference from example 1 is that: the sizing agent does not contain dihydric alcohol, and the water consumption is 94.4.
Comparative example 7: the only difference from example 1 is that: polyethylene glycol 400 was used instead of ethylene glycol.
The glass fiber cloths obtained in examples 1 to 3 and comparative examples 1 to 7 were subjected to performance tests, and the test results are as follows.
As shown by the test results in the table, the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn has better compressive strength, shearing strength, low defects and low feather ratio, and the invention creatively improves the sizing agent from the sizing agent to select sizing agent compounded by water, carrageenan, halloysite fine powder, amido gemini quaternary ammonium salt, cationic polyacrylamide, lubricant and dihydric alcohol to treat the fiber yarn when the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn is manufactured, overcomes the defect that the mechanical property and the feather ratio are poor when the ultra-low twist glass fiber yarn is used for producing the fiber cloth, and the compressive strength of the fiber cloth can reach 4.36N/mm 2 The shearing strength can reach 9.58KN/m, the warp-direction defects (per one thousand meters) can reach 8.31, and the warp-direction defects (per one thousand meters) can reach 9.04.
As can be seen from a comparison of inventive example 1 and comparative examples 1-3, the halloysite fines of the present invention impart better strength and a certain low-defect effect to the fiber cloth. And the effect of the fiber cloth obtained by using mica powder with the same particle size is not good in the invention.
As can be seen from a comparison of the embodiment 1 of the invention and the comparative examples 4-5, the amido gemini quaternary ammonium salt and the cationic polyacrylamide have a synergistic compounding effect, and the synergistic compounding effect can synergistically increase the strength of the fiber cloth and reduce the defect effect. The main reason is that the binary quaternary ammonium salt and the cationic polyacrylamide can be compounded to endow the sizing agent with better dispersing and sizing effects, and can enable components such as halloysite, lubricant and the like to be better attached to the fiber yarn to effectively improve the fiber yarn.
As can be seen from a comparison of the inventive example 1 and comparative examples 6-7, the use of the dihydric alcohol in the present invention results in the inventive product having good mechanical properties and low defects and feathering. Compared with polyalcohols such as polyethylene glycol, the dihydric alcohol used in the invention has better effect of increasing the product performance.
Finally, it is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A preparation method of electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn is characterized by comprising the following steps: the preparation method comprises the following steps: (1) Carrying out warping treatment on the glass fiber yarn with ultralow twist, immersing the glass fiber yarn into sizing agent for sizing treatment, removing surface sizing agent by pressing, and carrying out drying and yarn splitting treatment;
(2) The split yarn obtained in the step (1) is made into a beam, and weaving is carried out to form glass embryo cloth;
(3) Performing desizing, surface treatment and water splitting treatment on the embryo cloth in the step (2) to obtain the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn;
the sizing agent is prepared from water, carrageenan, halloysite fine powder, amido gemini quaternary ammonium salt, cationic polyacrylamide, lubricant and dihydric alcohol; the sizing agent comprises the following components in percentage by mass: 85-96% of water, 0.5-2.5% of carrageenan, 0.1-1.5% of halloysite fine powder, 0.1-2.0% of amide gemini quaternary ammonium salt, 0.1-2.0% of cationic polyacrylamide, 0.5-2.5% of lubricant and 1.0-6.0% of dihydric alcohol; the dihydric alcohol is non-polymer dihydric alcohol.
2. The method for preparing the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn according to claim 1, which is characterized in that: the halloysite fine powder has a particle size of 0.01-50 μm.
3. The method for preparing the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn according to claim 1, which is characterized in that: the lubricant is wax.
4. The method for preparing the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn according to claim 3, which is characterized in that: the wax is at least one of beeswax, carnauba wax, candelilla wax and polyethylene wax.
5. The method for preparing the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn according to claim 1, which is characterized in that: the dihydric alcohol is at least one of ethylene glycol, propylene glycol, butanediol and pentanediol.
6. The method for preparing the electronic grade glass fiber cloth produced by the ultra-low twist glass fiber yarn according to claim 1, which is characterized in that: the sizing agent comprises the following components in percentage by mass: 86-96% of water, 0.5-2.3% of carrageenan, 0.1-1.45% of halloysite fine powder, 0.1-1.8% of amide gemini quaternary ammonium salt, 0.1-1.8% of cationic polyacrylamide, 0.5-2.3% of lubricant and 1.2-6.0% of dihydric alcohol.
7. An electronic grade glass cloth prepared according to the preparation method of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211215599.1A CN115478436B (en) | 2022-09-30 | 2022-09-30 | Electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211215599.1A CN115478436B (en) | 2022-09-30 | 2022-09-30 | Electronic grade glass fiber cloth produced by ultra-low twist glass fiber yarn |
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| Publication Number | Publication Date |
|---|---|
| CN115478436A CN115478436A (en) | 2022-12-16 |
| CN115478436B true CN115478436B (en) | 2023-05-30 |
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