CN114735950A - Glass fiber impregnating compound special for mica cloth - Google Patents
Glass fiber impregnating compound special for mica cloth Download PDFInfo
- Publication number
- CN114735950A CN114735950A CN202210175075.8A CN202210175075A CN114735950A CN 114735950 A CN114735950 A CN 114735950A CN 202210175075 A CN202210175075 A CN 202210175075A CN 114735950 A CN114735950 A CN 114735950A
- Authority
- CN
- China
- Prior art keywords
- agent
- impregnating compound
- forming agent
- deionized water
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 119
- 239000004744 fabric Substances 0.000 title claims abstract description 61
- 239000003365 glass fiber Substances 0.000 title claims abstract description 61
- 241001251094 Formica Species 0.000 title claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000008367 deionised water Substances 0.000 claims abstract description 92
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 92
- 239000000314 lubricant Substances 0.000 claims abstract description 69
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000002216 antistatic agent Substances 0.000 claims abstract description 64
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 46
- 239000010445 mica Substances 0.000 claims abstract description 45
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 45
- 239000004593 Epoxy Substances 0.000 claims abstract description 39
- 239000000839 emulsion Substances 0.000 claims abstract description 39
- 229920002635 polyurethane Polymers 0.000 claims abstract description 38
- 239000004814 polyurethane Substances 0.000 claims abstract description 38
- 229960000583 acetic acid Drugs 0.000 claims abstract description 32
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims abstract description 32
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 32
- 239000007864 aqueous solution Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 15
- 238000009941 weaving Methods 0.000 abstract description 60
- 238000000034 method Methods 0.000 abstract description 46
- 230000008569 process Effects 0.000 abstract description 35
- 229920002472 Starch Polymers 0.000 abstract description 21
- 235000019698 starch Nutrition 0.000 abstract description 21
- 239000008107 starch Substances 0.000 abstract description 21
- 238000004513 sizing Methods 0.000 abstract description 20
- 238000005491 wire drawing Methods 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 135
- 238000000576 coating method Methods 0.000 description 28
- 239000011248 coating agent Substances 0.000 description 27
- 238000003756 stirring Methods 0.000 description 21
- 239000000203 mixture Substances 0.000 description 13
- 238000004321 preservation Methods 0.000 description 13
- 238000004804 winding Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 7
- -1 polyoxyethylene monooleate Polymers 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000011324 bead Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 229920000945 Amylopectin Polymers 0.000 description 1
- 229920000856 Amylose Polymers 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008172 hydrogenated vegetable oil Substances 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- GHEORANQXWMVHB-UHFFFAOYSA-N n'-[2-[2-(2-aminoethylamino)ethylamino]ethyl]ethane-1,2-diamine;octadecanoic acid Chemical compound NCCNCCNCCNCCN.CCCCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O GHEORANQXWMVHB-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
- C03C25/20—Contacting the fibres with applicators, e.g. rolls
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/285—Acrylic resins
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/36—Epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The invention discloses a glass fiber sizing agent special for mica cloth, which consists of a film forming agent, a silane coupling agent, a lubricant, an antistatic agent, glacial acetic acid and deionized water, wherein the film forming agent consists of a modified epoxy emulsion film forming agent, a modified acrylate film forming agent and a polyurethane aqueous solution in a mass ratio of (0.5-5) to (0.1-1.0). The impregnating compound provided by the invention is a non-starch type impregnating compound and is used for impregnating and preparing mica cloth glass fibers, drawn protofilaments can directly meet the requirement of jet-type high-speed weaving at room temperature, a untwisting and twisting process is reduced, operators are reduced, the impregnating compound can be operated at room temperature, constant-temperature heating is not needed in the process of applying the impregnating compound in a wire drawing manner, the jet air pressure is reduced, the energy consumption is saved, and the production cost is reduced.
Description
Technical Field
The invention belongs to the technical field of glass fiber impregnating compounds, and particularly relates to a glass fiber impregnating compound special for mica cloth.
Background
At present, glass fiber cloth used in the field of electronic and electric appliances comprises base cloth (the thickness of the base cloth is 0.015-0.2 mm) which is an insulating material such as a copper-clad plate, a laminated plate, mica cloth and the like, and the single fiber diameter of the used glass fiber is less than 7.5 um. With the development of miniaturization, miniaturization and intellectualization of electronic appliances, glass fiber cloth develops towards the direction of thinner, more uniform and better insulation and dielectric properties, a weaving process is also changed from a shuttle loom to a high-efficiency air jet loom, the modern air jet loom puts higher requirements on preparation of warp and weft yarns, and warp and weft yarns produced by the traditional drawing, twisting and warping processes and a warp beam without sizing cannot meet the normal weaving requirements of the air jet loom.
The air jet loom adopts jet air flow to carry out weft insertion, and weft defects such as weft shrinkage and the like are generated due to the fact that weft yarns are difficult to weave normally when being slightly hindered in flight. If the poor conditions of the properties of the sizing agent such as convergence, smoothness and the like can cause adverse effects on the normal flight of weft yarns, the weaving cloth surface quality is reduced, and the weaving efficiency is reduced.
The quality of the sizing agent becomes a key technical problem, particularly the flight state, main and auxiliary jet air pressure and air consumption of weft yarn are closely related to the quality of the sizing agent, in order to improve the flight state of the weft yarn, reduce the jet air pressure and reduce the air consumption, the traction force of air flow to the weft yarn needs to be improved, a lot of research works are carried out on the aspect of sizing agent development in this aspect abroad, the domestic application mainly depends on the foreign sizing agent formula and coating process, the starch type sizing agent is used, the sizing agent can meet the weaving requirement of an air jet loom, but the following problems exist: 1. the impregnating compound needs a constant heating process during wire drawing and coating, and has harsh conditions and large energy consumption; 2. the drawn precursor needs to be subjected to unwinding and twisting; 3. the process of medium-removing twisting also needs to be carried out under the condition of heating and constant temperature, and the fiber production condition is harsh; 4. high energy consumption and high cost. In the prior art, the impregnating compound has specificity, and the components of the impregnating compound have no universality according to different glass fibers and different corresponding impregnating compounds.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the glass fiber impregnating compound special for the mica cloth, which is a non-starch type impregnating compound, and can directly meet the requirements of jet-type high-speed weaving, energy conservation and consumption reduction by subtracting a untwisting and twisting process without heating and keeping constant temperature in the process of applying the impregnating compound by drawing wires.
The glass fiber impregnating compound special for mica cloth comprises a film forming agent, a silane coupling agent, a lubricating agent, an antistatic agent, glacial acetic acid and deionized water, wherein the film forming agent comprises a modified epoxy emulsion film forming agent, a modified acrylate film forming agent and a polyurethane aqueous solution in a mass ratio of (0.5-5) to (0.1-1.0).
The modified epoxy emulsion film-forming agent and the modified acrylate film-forming agent are both in the prior art, can be prepared by using a conventional modification method, and can also be prepared from a commercially available conventional modified product.
Preferably, the concentration of the aqueous polyurethane solution is 20 to 40 wt.%.
Preferably, the impregnating compound consists of the following raw materials in percentage by weight, based on 100% of the weight ratio:
0.5 to 5 portions of modified epoxy emulsion film-forming agent,
0.5 to 5 portions of modified acrylate film-forming agent,
0.1 to 1.0 portion of polyurethane aqueous solution,
glacial acetic acid 0.04-0.4 wt%,
0.2 to 2.0 portions of silane coupling agent,
0.03 to 1.0 portion of lubricant,
0.05 to 1.2 portions of antistatic agent,
89.4-98.58 portions of deionized water.
More preferably, the film forming agent consists of a modified epoxy emulsion film forming agent, a modified acrylate film forming agent and a polyurethane aqueous solution in a mass ratio of (1.0-4.0): 0.2-0.8.
More preferably, the impregnating compound consists of the following raw materials in percentage by weight, based on 100% of the weight ratio:
1.0-4.0 parts of modified epoxy emulsion film-forming agent,
1.0-4.0 parts of modified acrylate film-forming agent,
0.2 to 0.8 percent of polyurethane aqueous solution,
glacial acetic acid is 0.05-0.25,
0.4 to 1.5 portions of silane coupling agent,
0.04-0.8 of lubricant,
0.07 to 1.0 part of antistatic agent,
and the deionized water is 87.65-97.24.
Or more preferably, the film forming agent consists of a modified epoxy emulsion film forming agent, a modified acrylate film forming agent and a polyurethane aqueous solution in a mass ratio of (1.5-3.0) to (0.3-0.7).
Or more preferably, the impregnating compound consists of the following raw materials in percentage by weight, based on 100% of the weight ratio:
1.5 to 3.0 percent of modified epoxy emulsion film-forming agent,
1.5 to 3.0 portions of modified acrylate film-forming agent,
0.3 to 0.7 portion of polyurethane aqueous solution,
glacial acetic acid 0.06-0.15,
0.6 to 1.2 portions of silane coupling agent,
0.06-0.6 of lubricant,
0.08 to 0.8 percent of antistatic agent,
90.55-95.9 deionized water.
The lubricant and the antistatic agent are both the prior art, and the invention can be completed by adopting conventional products in the field, for example, the lubricant can be aliphatic polyamine and saturated fatty acid polycondensate polyaminoamide, imidazoline lubricants, organosilicon lubricants or polyether lubricants in the prior art; the antistatic agent can be selected from quaternary ammonium methyl sulfate, alkyl trimethyl ammonium chloride, lithium chloride or lithium nitrate.
The glass fiber impregnating compound special for the mica cloth can be prepared by the following method:
(1) heating deionized water with the mass 5-10 times of that of the lubricant to 60-80 ℃, and adding the lubricant into the deionized water to obtain diluted lubricant;
(2) adding deionized water with the mass 5-10 times of that of the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding a silane coupling agent into the system in the step (3) at room temperature and at the rotating speed of 60-80rpm, and stirring until no oil beads are formed in the system after the silane coupling agent is added within 20-30 min;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) adding the deionized water which is remained after the steps (1), (2) and (3) are used and stirring for 10-20min at 60 rpm.
The impregnating compound can be used by adopting the following method: the alkali-free glass liquid melted by the kiln flows out from a pore plate at the bottom of a floor slab, is formed into fibers after being cooled and drawn by a wire drawing machine, passes through a rotary oiling device between the floor slab and the wire drawing machine, the oiling device applies the impregnating compound on single fibers, then the single fibers are wound on a wire drawing machine head, a wire barrel is withdrawn from the wire drawing machine head, is placed for 16 to 24 hours at room temperature, and is normally woven on an air jet machine through a tension system.
The sizing agent is suitable for the glass fiber with the single fiber diameter of 3-9 um and the fiber number of 3.0tex-68 tex.
The invention has the advantages that:
the impregnating compound provided by the invention is a non-starch type impregnating compound and is used for impregnating and preparing mica cloth glass fibers, drawn protofilaments can directly meet the requirement of jet-type high-speed weaving at room temperature, a untwisting and twisting process is reduced, operators are reduced, the impregnating compound can be operated at room temperature, constant-temperature heating is not needed in the process of applying the impregnating compound in a wire drawing manner, the jet air pressure is reduced, the energy consumption is saved, and the production cost is reduced.
Detailed Description
The raw materials adopted in the embodiment of the invention are as follows:
the modified epoxy emulsion film former (Shaanxi Huiyou base new material Co., Ltd., YG 11) is a pentaerythritol modified epoxy emulsion film former;
the modified acrylate film forming agent (Shanxi Huiyou new material Co., Ltd., YG 2405) is an organosilicon modified acrylate film forming agent;
polyurethane (produced by Shanxi Huiyouyou-based New Material Co., Ltd., YG 2881);
silane coupling agent (KH 570, santa saintensis chemical ltd, tianjin);
lubricant (shaanxi huiyouyou new material limited, F3760);
antistatic agent (quaternary ammonium methylsulphate (DSM Neoxil AO5620, Italy)).
Comparative example
A conventional classical starch-based sizing was used as a comparison.
The formula of the traditional starch type impregnating compound comprises the following components in percentage by mass of 100 percent:
2 percent of amylopectin starch,
2 percent of hydroxyethylated amylose,
2% of hydrogenated vegetable oil AMC,
90.2 percent of polyoxyethylene monooleate O,
tetraethylenepentamine distearate MGS 0010.5 percent,
40000.5 percent of polyethylene glycol,
the balance being water.
The preparation method adopts the formula of the starch type impregnating compound in the prior art to prepare.
Example 1
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
0.5 percent of modified epoxy emulsion film-forming agent,
the modified acrylic ester film-forming agent 5,
0.1% aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.04 percent,
0.2 percent of silane coupling agent and 0.2 percent of silane coupling agent,
0.3 of a lubricant, namely,
an antistatic agent 1 which is a mixture of an antistatic agent,
deionized water 92.86.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) heating deionized water with the weight 10 times that of the lubricant to 60 ℃, and adding the lubricant into the deionized water to obtain diluted lubricant;
(2) adding deionized water with the mass 5 times that of the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding a silane coupling agent into the system in the step (3) at room temperature and at the rotating speed of 60rpm, and stirring until no oil beads are formed in the system after the silane coupling agent is added within 20 min;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 20m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of impregnating compound on fiber | 1.5% | 0.5% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.225 |
| Number of fiber flight yarn breaks in weaving | Is composed of | Is composed of |
Example 2
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion film-forming agent 1,
the modified acrylic ester film-forming agent is 4.5,
1 part of an aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.08 percent,
0.6 percent of silane coupling agent and 0.6 percent of silane coupling agent,
the lubricant is 0.08 percent of the total weight of the mixture,
0.1 part of antistatic agent is added,
deionized water 92.64.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) taking deionized water with the weight 10 times that of the lubricant, heating to 60 ℃, and adding the lubricant into the deionized water to obtain a diluted lubricant;
(2) adding deionized water with the mass 5 times that of the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding the silane coupling agent into the system in the step (3) at the rotating speed of 60rpm at room temperature, and stirring the mixture until the silane coupling agent is completely added within 20min to obtain oil-bead-free transparent liquid;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber of the impregnating compound at the speed of 20m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire cylinder from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type steepingWetting agent | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of impregnating compound on fiber% | 1.5 | 0.6 |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.223 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Example 3
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion has a film-forming agent of 1.5,
the modified acrylic ester film-forming agent is 3.5,
0.3% aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.12 of the total weight of the mixture,
1.0 part of silane coupling agent is added,
0.15 of the lubricating agent is added,
0.15 parts of antistatic agent, namely,
deionized water 93.28.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) taking deionized water with the weight 10 times that of the lubricant, heating to 60 ℃, and adding the lubricant into the deionized water to obtain a diluted lubricant;
(2) adding deionized water with the mass 5 times that of the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding the silane coupling agent into the system in the step (3) at the rotating speed of 60rpm at room temperature, and stirring the mixture until the silane coupling agent is completely added within 20min to obtain oil-bead-free transparent liquid;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at a speed of 17m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber at room temperature for 24 hours, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | Impregnating agent in this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.55% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.15 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Example 4
1. The glass fiber impregnating compound special for the mica cloth is composed of the following raw materials in percentage by weight according to 100 percent of weight:
the modified epoxy emulsion film-forming agent is 2.0,
2.5 of modified acrylate film-forming agent,
0.4% aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.16, and the content of the ethyl acetate is less than or equal to that of the ethyl acetate,
1.2 parts of a silane coupling agent,
0.2 of the lubricating agent is added,
0.8 percent of antistatic agent, namely,
deionized water 92.74.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) taking deionized water with the weight 10 times that of the lubricant, heating to 60 ℃, and adding the lubricant into the deionized water to obtain a diluted lubricant;
(2) adding deionized water with the mass 5 times that of the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding the silane coupling agent into the system in the step (3) at the rotating speed of 60rpm at room temperature, and stirring the mixture until the silane coupling agent is completely added within 20min to obtain oil-bead-free transparent liquid;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 20m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber at room temperature for 24 hours, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.6% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.17 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Example 5
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
2.5 percent of modified epoxy emulsion film-forming agent,
the modified acrylate film-forming agent is 2.0,
0.5% aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.22, and the content of the sodium acetate is less than or equal to that of the sodium acetate,
1.4 of a silane coupling agent, and a silane coupling agent,
0.03 percent of lubricant is added into the lubricant,
0.5 percent of antistatic agent is added,
deionized water 92.85.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) heating deionized water with the weight 10 times that of the lubricant to 60 ℃, and adding the lubricant into the deionized water to obtain diluted lubricant;
(2) taking deionized water with the weight 10 times that of the antistatic agent, and adding the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding a silane coupling agent into the system in the step (3) at room temperature and at the rotating speed of 60rpm, and stirring until no oil beads are formed in the system after the silane coupling agent is added within 20 min;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 20m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber at room temperature for 24 hours, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.55% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.205 |
| Number of fiber flight yarn breakage in weaving | Is composed of | Is free of |
Example 6
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion film-forming agent is 3.5,
1.5 percent of modified acrylate film-forming agent,
0.6 of an aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.28 of the total weight of the mixture,
1.6 parts of a silane coupling agent,
0.6 of a lubricant, namely,
0.35 percent of antistatic agent and 0.35 percent of antistatic agent,
deionized water 91.57.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) heating deionized water with the weight 10 times that of the lubricant to 60 ℃, and adding the lubricant into the deionized water to obtain diluted lubricant;
(2) taking deionized water with the mass 10 times of that of the antistatic agent, and adding the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding the silane coupling agent into the system in the step (3) at the rotating speed of 60rpm at room temperature, and stirring the mixture until the silane coupling agent is completely added within 20min to obtain oil-bead-free transparent liquid;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 18m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.62% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0. 195 |
| Number of fiber flight yarn breaks in weaving | Is free of | Is composed of |
Example 7
1. The glass fiber impregnating compound special for the mica cloth is composed of the following raw materials in percentage by weight according to 100 percent of weight:
the modified epoxy emulsion film-forming agent is 4.5,
1.0 percent of modified acrylate film-forming agent,
0.8 of an aqueous polyurethane solution (20 wt%),
the glacial acetic acid is 0.34 of the total weight of the mixture,
1.8 parts of a silane coupling agent,
0.8 of the lubricating agent is added,
0.05 percent of antistatic agent and 0.05 percent of antistatic agent,
deionized water 91.57.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) heating deionized water with the weight 10 times that of the lubricant to 60 ℃, and adding the lubricant into the deionized water to obtain diluted lubricant;
(2) taking deionized water with the mass 10 times of that of the antistatic agent, and adding the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding a silane coupling agent into the system in the step (3) at room temperature and at the rotating speed of 60rpm, and stirring until no oil beads are formed in the system after the silane coupling agent is added within 20 min;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 18m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Single fiberDiameter um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.57% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.185 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Example 8
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion film-forming agent 5,
0.5 percent of modified acrylate film-forming agent,
0.2 parts of aqueous polyurethane solution (20 wt%),
the content of the glacial acetic acid is 0.4,
2.0 parts of silane coupling agent,
the lubricant is used for lubricating the steel wire rope in a weight ratio of 1.0,
1.2 parts of an antistatic agent, namely,
and 89.7 of deionized water.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) taking deionized water with the weight 5 times that of the lubricant, heating to 60 ℃, and adding the lubricant into the deionized water to obtain a diluted lubricant;
(2) taking deionized water with the mass 10 times of that of the antistatic agent, and adding the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding the silane coupling agent into the system in the step (3) at the rotating speed of 60rpm at room temperature, and stirring the mixture until the silane coupling agent is completely added within 20min to obtain oil-bead-free transparent liquid;
(5) adding a diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 10 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 20m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber at room temperature for 24 hours, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.582% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.187 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Example 9
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion film-forming agent 4,
the modified acrylic ester film-forming agent 4,
0.2 of an aqueous polyurethane solution (40 wt%),
the glacial acetic acid is 0.25 of the total weight of the mixture,
1.5 of a silane coupling agent, namely,
0.8 of a lubricant, namely,
1.0 part of an antistatic agent is added,
and 88.25 of deionized water.
2. The preparation method of the glass fiber impregnating compound special for the mica cloth is the same as that of the example 8.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at a speed of 16m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of impregnating compound on fiber | 1.5% | 0.56% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.16 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is composed of |
Example 10
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion has the film forming agent 1,
the modified acrylic ester film-forming agent 1,
0.8 of an aqueous polyurethane solution (40 wt%),
the content of the glacial acetic acid is 0.05,
0.4 percent of silane coupling agent, namely,
0.04 parts of a lubricating agent,
0.07 part of an antistatic agent,
deionized water 96.64.
2. The glass fiber impregnating compound special for the mica cloth is the same as that in the example 8.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 19m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | Impregnating agent in this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.532% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.155 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Example 11
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
1.5 percent of modified epoxy emulsion film-forming agent,
the modified acrylic ester film-forming agent is 3.0,
0.3% of an aqueous polyurethane solution (40% by weight),
the glacial acetic acid is 0.15 of the total weight of the mixture,
0.6 percent of silane coupling agent and 0.6 percent of silane coupling agent,
0.06 percent of lubricant is added into the mixture,
0.08 percent of antistatic agent and 0.08 percent of antistatic agent,
deionized water 94.31.
2. The glass fiber impregnating compound special for the mica cloth is the same as that in the example 8.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 18m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.526% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.13 |
| Number of fiber flight yarn breaks in weaving | Is free of | Is free of |
Example 12
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
a modified epoxy emulsion film-forming agent 3,
1.5 percent of modified acrylate film-forming agent,
0.7 of an aqueous polyurethane solution (40 wt%),
the content of the glacial acetic acid is 0.06,
1.2 parts of a silane coupling agent,
0.6 of a lubricant, namely,
0.8 percent of antistatic agent is added,
deionized water 92.14.
2. The glass fiber impregnating compound special for the mica cloth is the same as that in the example 8.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at the speed of 18m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber for 24 hours at room temperature, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | Impregnating agent in this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of sizing agent on fiber | 1.5% | 0.518% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.12 |
| Number of fiber flight yarn breakage in weaving | Is composed of | Is free of |
Example 13
1. The glass fiber impregnating compound special for the mica cloth comprises the following raw materials in percentage by weight, based on 100% of the weight ratio:
the modified epoxy emulsion film-forming agent is 2.0,
the modified acrylate film-forming agent is 2.0,
0.5 of an aqueous polyurethane solution (40 wt%),
the content of the glacial acetic acid is 0.1,
0.8 percent of silane coupling agent and 0.8 percent of,
0.1 of a lubricant, namely,
0.1 part of antistatic agent is added,
and 94.4 of deionized water.
2. The glass fiber impregnating compound special for the mica cloth is prepared by the following method:
(1) heating deionized water with the mass 5 times of that of the lubricant to 80 ℃, and adding the lubricant into the deionized water to obtain diluted lubricant;
(2) taking deionized water with the mass 10 times of that of the antistatic agent, and adding the antistatic agent into the deionized water to obtain a diluted antistatic agent;
(3) taking 30% of the total amount of the deionized water, and adding glacial acetic acid into the deionized water;
(4) slowly adding the silane coupling agent into the system in the step (3) at the rotating speed of 80rpm at room temperature, finishing the addition within 30min, and stirring until the transparent liquid is free of oil beads;
(5) adding the diluted lubricant;
(6) sequentially adding a modified epoxy emulsion film-forming agent, a modified acrylate film-forming agent and a polyurethane aqueous solution;
(7) adding the diluted antistatic agent, and stirring at the rotating speed of 60rpm for 10 min;
(8) the total amount minus the deionized water remaining after use in steps (1), (2), (3) was added and stirred at 60rpm for 20 min.
3. Infiltrating the alkali-free glass fiber with the impregnating compound at a speed of 17m/min, applying the impregnating compound on a single fiber, then winding the single fiber on a drawing machine head, withdrawing a wire barrel from the machine head, standing the single fiber at room temperature for 24 hours, and normally weaving the single fiber on an air jet through a tension system to weave mica cloth, wherein the fiber properties are as follows:
| item | Traditional starch type impregnating compound | The impregnating agent of this example |
| Diameter of single fiber um | 5.5 | 5.5 |
| Fiber number TEX | 8.5 | 8.5 |
| Combustible content of impregnating compound on fiber | 1.5% | 0.51% |
| Temperature of impregnating compound in wire drawing process | Coating at 55-68 DEG C | Coating at room temperature without heat preservation |
| Fiber untwisting and twisting process | Needs to be untwisted and twisted under the constant temperature condition of 28 DEG C | Without back-off twisting |
| Weaving mode | Air jet (JA 11B-130) | Air jet (JA 11B-130) |
| Weaving nozzle pressure (MPa) | 0.23 | 0.11 |
| Number of fiber flight yarn breakage in weaving | Is free of | Is free of |
Claims (7)
1. The glass fiber impregnating compound special for the mica cloth consists of a film forming agent, a silane coupling agent, a lubricating agent, an antistatic agent, glacial acetic acid and deionized water, and is characterized in that: the film forming agent consists of a modified epoxy emulsion film forming agent with the mass ratio of (0.5-5) to (0.1-1.0).
2. The glass fiber impregnating compound special for mica cloth of claim 1, which is characterized in that: the concentration of the aqueous polyurethane solution is 20-40 wt%.
3. The glass fiber impregnating compound special for mica cloth of claim 2, which is characterized in that: the impregnating compound consists of the following raw materials in percentage by weight, based on 100% of the weight ratio:
0.5 to 5 portions of modified epoxy emulsion film-forming agent,
0.5 to 5 portions of modified acrylate film-forming agent,
0.1 to 1.0 portion of polyurethane aqueous solution,
glacial acetic acid 0.04-0.4 wt%,
0.2 to 2.0 portions of silane coupling agent,
0.03 to 1.0 part of lubricant,
0.05 to 1.2 portions of antistatic agent,
89.4-98.58 portions of deionized water.
4. The glass fiber impregnating compound special for mica cloth of claim 2, which is characterized in that: the film forming agent consists of a modified epoxy emulsion film forming agent, a modified acrylate film forming agent and a polyurethane aqueous solution in a mass ratio of (1.0-4.0) to (0.2-0.8).
5. The glass fiber impregnating compound special for mica cloth of claim 4, which is characterized in that: the impregnating compound consists of the following raw materials in percentage by weight, based on 100% of the weight ratio:
1.0-4.0 parts of modified epoxy emulsion film-forming agent,
1.0-4.0 parts of modified acrylate film-forming agent,
0.2 to 0.8 of polyurethane aqueous solution,
glacial acetic acid is 0.05-0.25,
0.4 to 1.5 portions of silane coupling agent,
0.04-0.8 of lubricant,
0.07 to 1.0 part of antistatic agent,
and the deionized water is 87.65-97.24.
6. The glass fiber impregnating compound special for mica cloth of claim 4, which is characterized in that: the film forming agent consists of a modified epoxy emulsion film forming agent, a modified acrylate film forming agent and a polyurethane aqueous solution in a mass ratio of (1.5-3.0) to (0.3-0.7).
7. The glass fiber impregnating compound special for mica cloth of claim 6, which is characterized in that: the impregnating compound consists of the following raw materials in percentage by weight, based on 100% of the weight ratio:
1.5 to 3.0 percent of modified epoxy emulsion film-forming agent,
1.5 to 3.0 portions of modified acrylate film-forming agent,
0.3 to 0.7 portion of polyurethane aqueous solution,
glacial acetic acid 0.06-0.15,
0.6 to 1.2 portions of silane coupling agent,
0.06-0.6 of lubricant,
0.08 to 0.8 percent of antistatic agent,
90.55-95.9 deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175075.8A CN114735950B (en) | 2022-02-25 | 2022-02-25 | Glass fiber impregnating compound special for mica cloth |
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