CN112429978A - Glass fiber material modification reinforced molding treatment method - Google Patents
Glass fiber material modification reinforced molding treatment method Download PDFInfo
- Publication number
- CN112429978A CN112429978A CN202011466719.6A CN202011466719A CN112429978A CN 112429978 A CN112429978 A CN 112429978A CN 202011466719 A CN202011466719 A CN 202011466719A CN 112429978 A CN112429978 A CN 112429978A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- lubricant
- silane
- percent
- coupling agent
- 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.)
- Pending
Links
- 239000003365 glass fiber Substances 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 16
- 238000000465 moulding Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000004048 modification Effects 0.000 title claims abstract description 12
- 238000012986 modification Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000010992 reflux Methods 0.000 claims abstract description 6
- 238000004513 sizing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000000314 lubricant Substances 0.000 claims description 36
- 239000007822 coupling agent Substances 0.000 claims description 15
- 239000004094 surface-active agent Substances 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- NOZAQBYNLKNDRT-UHFFFAOYSA-N [diacetyloxy(ethenyl)silyl] acetate Chemical compound CC(=O)O[Si](OC(C)=O)(OC(C)=O)C=C NOZAQBYNLKNDRT-UHFFFAOYSA-N 0.000 claims description 3
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 claims description 3
- 150000002193 fatty amides Chemical class 0.000 claims description 3
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 2
- 239000000080 wetting agent Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 229960000583 acetic acid Drugs 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 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
- C03C25/24—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
- C03C25/34—Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines
-
- 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
- C03C25/16—Dipping
-
- 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
- C03C25/323—Polyesters, e.g. alkyd resins
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
A glass fiber material modification reinforced molding treatment method comprises the following steps: dropwise adding hydrogen peroxide into the raw material glass fiber, uniformly stirring, heating, refluxing, filtering and drying to obtain hydroxylated glass fiber; and (3) treating the hydroxylated glass fiber with a sizing agent, and drying to obtain the silanized glass fiber. The invention improves the flexibility and the wear resistance of the yarn; meanwhile, the modified glass fiber is dispersed in the resin matrix, so that the movement of the matrix segment can be prevented, and the composite material is endowed with outstanding mechanical properties.
Description
Technical Field
The invention belongs to the technical field of glass fiber, and particularly relates to a glass fiber material modification and reinforcement molding treatment method.
Background
Polyurethane resin, one of the most important thermosetting resins, has the advantages of convenient curing, easy molding and processing, strong adhesive property, good mechanical property, excellent electrical and chemical stability, excellent dimensional stability, low price and the like, and is widely applied to the fields of adhesives, coatings, mechanical and electronic materials, plastic molds, composite materials, structural materials and the like. However, the relatively high crosslinking density of the polyurethane resinified systems leads to systems with poor toughness (poor impact resistance), i.e.high brittleness, which limits their use to a large extent in certain advanced technical fields, in particular in material applications requiring high impact fracture strength and toughness.
Disclosure of Invention
The invention aims to provide a glass fiber material modified reinforced molding treatment method, which improves the performance of glass fiber. In order to achieve the purpose, the invention adopts the following technical scheme: a glass fiber material modification reinforced molding treatment method comprises the following steps:
(1) dropwise adding hydrogen peroxide into the raw material glass fiber, uniformly stirring, heating to 105 ℃, refluxing for 2-4 hours, filtering, and drying to obtain hydroxylated glass fiber;
(2) and (3) reacting the hydroxylated glass fiber with a wetting agent for 1-5 minutes, heating to 50 ℃, and drying to obtain the silanized glass fiber.
A glass fiber material modification enhancement molding treatment method comprises the step (2) that an impregnating compound is prepared from a coupling agent, a lubricant, a film forming agent, a surfactant, a pH regulator and deionized water, wherein the pH value is 3-6, the coupling agent is a silane coupling agent, the lubricant is a mixture of a cationic lubricant and a nonionic lubricant, the film forming agent is a polyurethane emulsion, the surfactant is a nonionic surfactant, the pH regulator is an acid, and the mass usage of the components in the total mass of the impregnating compound is as follows:
0.5 to 5 percent of coupling agent
1 to 10 percent of film forming agent
1 to 5 percent of lubricant
0.5 to 3 percent of surfactant
0.04-1% of pH regulator
The balance being deionized water.
The silane coupling agent is one or a combination of more of gamma- (methacryloyloxy) propyl trimethoxy silane, gamma-aminopropyl triethoxy silane, gamma-glycidylpropane trimethoxy silane, vinyl tri- (2-methoxyethoxy) silane and vinyl triacetoxy silane.
The lubricant is a mixture of several of imidazoline lubricant, fatty amide lubricant, polyoxyethylene ether lubricant and water-soluble PEG lubricant, and the mass ratio of the cationic lubricant to the nonionic lubricant is 1: 4.
Compared with the prior art, the yarn disclosed by the invention has the advantages that the flexibility and the wear resistance of the yarn are improved; the bundling property of the yarns is improved, the drapability and the banding property of the yarns are better, the wear resistance is good in the pultrusion process, the interface adhesion force is improved, meanwhile, the modified glass fibers are dispersed in the resin matrix, the movement of the matrix segments can be prevented, and the composite material is endowed with outstanding mechanical properties.
Detailed Description
The technical solution of the present invention is further described below by specific examples, but the scope of the present invention is not limited thereto:
coupling agent 1 is gamma- (methacryloyloxy) propyltrimethoxysilane having the formula KH570, coupling agent 2 is gamma-glycidylpropanetrimethoxysilane having the formula KH560
Lubricant 2 is a nonionic lubricant available from Haian petrochemical plant of Jiangsu province, model number 7707
The pH value regulator is acetic acid which is purchased from neutralization chemical company Limited in Yixing city, and the product brand is glacial acetic acid.
Example 1
A glass fiber material modification reinforced molding treatment method comprises the following steps:
(1) dropwise adding hydrogen peroxide into the raw material glass fiber, uniformly stirring, heating to 105 ℃, refluxing for 3 hours, filtering and drying to obtain hydroxylated glass fiber;
(2) and (3) reacting the hydroxylated glass fiber with a sizing agent for 1 minute, heating to 50 ℃, and drying to obtain the silanized glass fiber.
The impregnating compound in the step (2) is prepared from a coupling agent, a lubricant, a film forming agent, a surfactant, a pH regulator and deionized water, the pH value is 3, and the mass usage of each component in the total mass of the impregnating compound is as follows:
0.5 percent of coupling agent
5 percent of film forming agent
1 percent of lubricant
0.5 percent of surfactant
0.04 percent of pH regulator
The balance being deionized water.
Example 2
The glass fiber material modification reinforced molding treatment method is characterized by comprising the following steps:
(1) dropwise adding hydrogen peroxide into the raw material glass fiber, uniformly stirring, heating to 105 ℃, refluxing for 6 hours, filtering and drying to obtain hydroxylated glass fiber;
(2) and (3) treating the hydroxylated glass fiber with a sizing agent, reacting for 5 minutes, heating to 50 ℃, and drying to obtain the silanized glass fiber.
The impregnating compound in the step (2) is prepared from a coupling agent, a lubricant, a film forming agent, a surfactant, a pH regulator and deionized water, the pH value is 3-6, and the mass usage of each component in the total mass of the impregnating compound is as follows:
coupling agent 5%
10 percent of film forming agent
Lubricant 5%
3 percent of surfactant
1 percent of pH regulator
The balance being deionized water.
The silane coupling agent is a combination of gamma- (methacryloyloxy) propyltrimethoxysilane and gamma-aminopropyltriethoxysilane.
The lubricant is a mixture of imidazoline, fatty amide and polyoxyethylene ether.
Example 3
The glass fiber material modification reinforced molding treatment method is characterized by comprising the following steps:
(1) dropwise adding hydrogen peroxide into the raw material glass fiber, uniformly stirring, heating to 105 ℃, refluxing for 4 hours, filtering and drying to obtain hydroxylated glass fiber;
(2) and (3) reacting the hydroxylated glass fiber with a sizing agent for 2 minutes, heating to 50 ℃, and drying to obtain the silanized glass fiber.
The impregnating compound is prepared from a coupling agent, a lubricant, a film forming agent, a surfactant, a pH regulator and deionized water, wherein the pH value is 3-6, the coupling agent is a silane coupling agent, and the mass consumption of the components in the total mass of the impregnating compound is as follows:
2 percent of coupling agent
6 percent of film forming agent
2 percent of lubricant
1.5 percent of surfactant
0.5 percent of pH regulator
The balance being deionized water.
The silane coupling agent is a mixture of vinyl tri- (2-methoxyethoxy) silane and vinyl triacetoxysilane.
The lubricant is a mixture of polyoxyethylene ether and water-soluble PEG, and the mass ratio of the cationic lubricant to the nonionic lubricant is 1: 4.
According to the technical characteristics of the direct glass fiber yarn, the alkali-free glass fiber yarn for insulation meeting the requirements of the field is produced by selecting the raw materials of the impregnating compound, optimizing the formula and adopting a proper glass fiber production process.
From the above formulation test examples, we can see that the effect is better by designing the components and the component contents, especially in example 3. The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (4)
1. The glass fiber material modification reinforced molding treatment method is characterized by comprising the following steps:
(1) dropwise adding hydrogen peroxide into the raw material glass fiber, uniformly stirring, heating to 105 ℃, refluxing for 2-4 hours, filtering, and drying to obtain hydroxylated glass fiber;
(2) and (3) reacting the hydroxylated glass fiber with a wetting agent for 1-5 minutes, heating to 50 ℃, and drying to obtain the silanized glass fiber.
2. The method for modifying, reinforcing and molding a glass fiber material as claimed in claim 1, wherein in the step (2), the sizing agent is made of a coupling agent, a lubricant, a film forming agent, a surfactant, a pH regulator and deionized water, the pH value is 3-6, the coupling agent is a silane coupling agent, the lubricant is a mixture of a cationic lubricant and a nonionic lubricant, the film forming agent is a polyurethane emulsion, the surfactant is a nonionic surfactant, the pH regulator is an acid, and the mass usage of each component in the total mass of the sizing agent is as follows:
0.5 to 5 percent of coupling agent
1 to 10 percent of film forming agent
1 to 5 percent of lubricant
0.5 to 3 percent of surfactant
0.04-1% of pH regulator
The balance being deionized water.
3. The glass fiber material modified reinforced molding processing method as claimed in claim 2, wherein: the silane coupling agent is one or a combination of more of gamma- (methacryloyloxy) propyl trimethoxy silane, gamma-aminopropyl triethoxy silane, gamma-glycidylpropane trimethoxy silane, vinyl tri- (2-methoxyethoxy) silane and vinyl triacetoxy silane.
4. The glass fiber material modified reinforced molding processing method as claimed in claim 2, wherein: the lubricant is a mixture of several of imidazoline lubricant, fatty amide lubricant, polyoxyethylene ether lubricant and water-soluble PEG lubricant, and the mass ratio of the cationic lubricant to the nonionic lubricant is 1: 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466719.6A CN112429978A (en) | 2020-12-14 | 2020-12-14 | Glass fiber material modification reinforced molding treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466719.6A CN112429978A (en) | 2020-12-14 | 2020-12-14 | Glass fiber material modification reinforced molding treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429978A true CN112429978A (en) | 2021-03-02 |
Family
ID=74691493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011466719.6A Pending CN112429978A (en) | 2020-12-14 | 2020-12-14 | Glass fiber material modification reinforced molding treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112429978A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087956A (en) * | 2021-04-13 | 2021-07-09 | 郑州峰泰纳米材料有限公司 | Melamine formaldehyde foam of glass fiber filler |
| CN115124783A (en) * | 2022-07-11 | 2022-09-30 | 金旸（厦门）新材料科技有限公司 | Reinforced blow molding polypropylene composite material and preparation method thereof |
| CN115182200A (en) * | 2022-06-16 | 2022-10-14 | 浙江夏王纸业有限公司 | Controllable-expansion-rate decorative base paper and preparation method thereof |
| CN116854499A (en) * | 2023-09-05 | 2023-10-10 | 河北孚牛图睿建材科技有限公司 | Multifunctional concrete surface reinforcing material and preparation method and application method thereof |
| CN117417569A (en) * | 2023-10-17 | 2024-01-19 | 江苏东智禾新纤维科技有限公司 | Glass fiber composite material and preparation method thereof |
| CN117417569B (en) * | 2023-10-17 | 2024-06-04 | 江苏东智禾新纤维科技有限公司 | Glass fiber composite material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293955A (en) * | 2015-12-03 | 2016-02-03 | 盐城工学院 | Glass fibre modification method and application thereof |
| CN107365091A (en) * | 2017-08-02 | 2017-11-21 | 山东玻纤集团股份有限公司 | One kind enhancing thermoplasticity short glass fiber size |
| CN107540244A (en) * | 2017-08-01 | 2018-01-05 | 山东玻纤集团股份有限公司 | A kind of RPP plastic fiberglass size |
| CN109250926A (en) * | 2018-11-13 | 2019-01-22 | 山东玻纤集团股份有限公司 | A kind of double walled tank e-glass fiber infiltrant |
| CN109320102A (en) * | 2018-09-17 | 2019-02-12 | 常州市群丰玻纤制品有限公司 | A kind of high-strength abrasion-proof modified glass-fiber and preparation method thereof |
| CN111099842A (en) * | 2019-12-16 | 2020-05-05 | 上海灿越化工科技有限公司 | Super-hydrophobic glass fiber prepared based on two-step method, modification method and application |
-
2020
- 2020-12-14 CN CN202011466719.6A patent/CN112429978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293955A (en) * | 2015-12-03 | 2016-02-03 | 盐城工学院 | Glass fibre modification method and application thereof |
| CN107540244A (en) * | 2017-08-01 | 2018-01-05 | 山东玻纤集团股份有限公司 | A kind of RPP plastic fiberglass size |
| CN107365091A (en) * | 2017-08-02 | 2017-11-21 | 山东玻纤集团股份有限公司 | One kind enhancing thermoplasticity short glass fiber size |
| CN109320102A (en) * | 2018-09-17 | 2019-02-12 | 常州市群丰玻纤制品有限公司 | A kind of high-strength abrasion-proof modified glass-fiber and preparation method thereof |
| CN109250926A (en) * | 2018-11-13 | 2019-01-22 | 山东玻纤集团股份有限公司 | A kind of double walled tank e-glass fiber infiltrant |
| CN111099842A (en) * | 2019-12-16 | 2020-05-05 | 上海灿越化工科技有限公司 | Super-hydrophobic glass fiber prepared based on two-step method, modification method and application |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087956A (en) * | 2021-04-13 | 2021-07-09 | 郑州峰泰纳米材料有限公司 | Melamine formaldehyde foam of glass fiber filler |
| CN115182200A (en) * | 2022-06-16 | 2022-10-14 | 浙江夏王纸业有限公司 | Controllable-expansion-rate decorative base paper and preparation method thereof |
| CN115124783A (en) * | 2022-07-11 | 2022-09-30 | 金旸（厦门）新材料科技有限公司 | Reinforced blow molding polypropylene composite material and preparation method thereof |
| CN116854499A (en) * | 2023-09-05 | 2023-10-10 | 河北孚牛图睿建材科技有限公司 | Multifunctional concrete surface reinforcing material and preparation method and application method thereof |
| CN116854499B (en) * | 2023-09-05 | 2023-11-07 | 河北孚牛图睿建材科技有限公司 | Multifunctional concrete surface reinforcing material and preparation method and application method thereof |
| CN117417569A (en) * | 2023-10-17 | 2024-01-19 | 江苏东智禾新纤维科技有限公司 | Glass fiber composite material and preparation method thereof |
| CN117417569B (en) * | 2023-10-17 | 2024-06-04 | 江苏东智禾新纤维科技有限公司 | Glass fiber composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112429978A (en) | Glass fiber material modification reinforced molding treatment method | |
| CN101418100B (en) | Halogen-free flame retardant long glass fibre reinforcement polypropylene composite material and preparation method thereof | |
| CN108996922B (en) | Glass fiber impregnating compound for reinforcing structure type SMC (sheet molding compound) and application of glass fiber impregnating compound in production of twistless roving | |
| CN102976632A (en) | Chopped glass fiber sizing agent for bulk molding compounds (BMC) for reinforcing thermosetting resin | |
| CN110818284A (en) | Glass fiber strand twistless roving impregnating compound, preparation method, product and application | |
| CN109912236A (en) | It is a kind of for pultrusion, wind basalt fibre size | |
| CN101864169A (en) | Glass fiber reinforced polyphenylene sulfide resin composite material | |
| CN107012585B (en) | Superfine alkali free glass fibre cotton and preparation method thereof | |
| WO1993006055A1 (en) | Glass size compositions and glass fibers coated therewith | |
| CN110790519A (en) | Glass fiber impregnating compound for polyurethane pultrusion composite material and preparation method thereof | |
| EP2620419A1 (en) | Polyamide based sizing composition for glass fibres | |
| CN106589925A (en) | Talcum powder/waste rubber powder modified weatherproof flame-retardant glass fiber reinforced PA66 electric power hardware material and preparation method thereof | |
| CN114031896B (en) | Epoxy resin composition for carbon fiber winding and preparation method thereof | |
| CN111534082A (en) | Transverse reinforced glass fiber reinforced polyurethane pultrusion profile and preparation method thereof | |
| CN114030250B (en) | High-elasticity-modulus high-strength glass fiber laminated board and preparation method thereof | |
| CN112266186B (en) | Glass fiber impregnating compound and preparation method and application thereof | |
| CN111517671B (en) | Alkali-free glass fiber impregnating compound, and preparation method, product and application thereof | |
| CN107501856B (en) | Preparation method of flame-retardant modified wood fiber composite phenolic foam | |
| CN113773497B (en) | High-temperature-resistant modified silicone adhesive and application thereof in flexible mica plate | |
| KR102411898B1 (en) | Sizing composition and glass fiber using the same | |
| CN112375341B (en) | Anti-aging high-strength glass fiber reinforced plastic and preparation method thereof | |
| CN113213781A (en) | Glass fiber direct roving impregnating compound and preparation method and application thereof | |
| KR102249838B1 (en) | Size composition and glass fiber reinforcement using the same | |
| CN107673635A (en) | A kind of glass fiber compound material preparation technology | |
| CN116444839A (en) | PBT (polybutylene terephthalate) modified recycled polycarbonate composite plastic and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210302 |