CN113173715A - Glass fiber impregnating compound for reinforcing polyvinyl chloride and preparation method and application thereof - Google Patents
Glass fiber impregnating compound for reinforcing polyvinyl chloride and preparation method and application thereof Download PDFInfo
- Publication number
- CN113173715A CN113173715A CN202110640578.3A CN202110640578A CN113173715A CN 113173715 A CN113173715 A CN 113173715A CN 202110640578 A CN202110640578 A CN 202110640578A CN 113173715 A CN113173715 A CN 113173715A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- polyvinyl chloride
- resin emulsion
- gamma
- silane coupling
- 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
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
- 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
-
- 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
- C03C25/40—Organo-silicon compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a glass fiber impregnating compound for reinforcing polyvinyl chloride and a preparation method and application thereof, and belongs to the technical field of impregnating compounds. The glass fiber impregnating compound for reinforcing polyvinyl chloride comprises the following components: silane coupling agent, unsaturated polyester resin emulsion, waterborne epoxy resin emulsion, surfactant, pH regulator, antioxidant and deionized water; the silane coupling agent is a mixture of vinyl triethoxysilane, gamma-aminopropyl triethoxysilane and gamma-mercaptopropyl triethoxysilane in a mass ratio of 1:0.8-1.5: 0.7; the surfactant is a mixture of fatty alcohol-polyoxyethylene ether and disodium lauryl sulfosuccinate monoester in a mass ratio of 1: 0.5-0.7. The silane coupling agent with specific composition and proportion ensures that the glass fiber and the polyvinyl chloride resin matrix have better cohesiveness, and the prepared composite material has good mechanical property and higher thermal deformation temperature.
Description
Technical Field
The invention relates to the technical field of impregnating compounds, in particular to a glass fiber impregnating compound for reinforcing polyvinyl chloride and a preparation method and application thereof.
Background
The Ministry of industry and belief requires that the oil consumption reaches the target of 5L/100km in 2020, and about 1/4 enterprises fail to reach the target of the same year in 2015, the Ministry of industry and belief penalizes the enterprises in a plurality of ways such as not accepting new product declaration and not accepting unqualified enterprise investment projects. At present, the pressure of energy conservation and consumption reduction of automobile manufacturers is high, and the light weight of automobiles is an important way for realizing energy conservation and consumption reduction.
The light weight of the automobile is a concern for both consumers and vehicle enterprises, and the selection of materials is very critical in order to achieve the goal of light weight, besides the optimization of structure and process design. In order to reduce the weight of the automobile, a large amount of engineering plastics, particularly glass fiber reinforced plastics are adopted for the automobile enterprises, and the glass fiber reinforced plastics are used for replacing traditional high-strength steel, magnesium-aluminum alloy and the like, so that the weight of the automobile can be reduced to a greater extent, the energy is saved, the consumption is reduced, and the manufacturing cost is also saved. But different fiber materials are needed to be utilized for different resin matrixes, so that a better effect can be achieved.
The composition and preparation process of the conventional glass fiber raw material are quite mature and difficult to change. But the compatibility of the pure glass fiber and the resin matrix is poor, so that the surface performance of the glass fiber can be changed by using the impregnating compound, the compatibility of the glass fiber and the resin matrix is enhanced, and the performance of the composite material is improved to a certain extent. For example, patents CN107540244A, CN108640535A, CN108996923A, etc. all improve the surface properties of glass fibers by using wetting agents, and further improve the properties of reinforced plastics.
In the production process of glass fibers, the surface of the glass fibers needs to be coated with the impregnating compound, the quality of the glass fibers is determined to a great extent by the performance of the impregnating compound, and the impregnating compound can enhance the adhesion, the raising resistance and the coating property of fiber bundles, so that the surfaces of the fibers are smooth, the wear resistance and the flexibility are improved, the fibers are easy to wind, and the damage is reduced during winding; and the compatibility of the glass fiber and the resin matrix can be improved, so that the mechanical property of the prepared composite material is improved. However, the existing impregnating compound has slow permeation on the surface of the glass fiber and poor film forming property, so that the prepared composite material has poor mechanical property and is inconvenient to apply.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a glass fiber impregnating compound for reinforcing polyvinyl chloride and a preparation method and application thereof; the sizing agent has good compatibility with resin, and the silane coupling agent with specific composition and proportion ensures that the glass fiber and the polyvinyl chloride resin matrix have better cohesiveness, and the glass fiber reinforced resin composite material prepared by the sizing agent has good mechanical property and higher heat distortion temperature.
In order to solve the technical problems, the invention provides the following technical scheme:
on one hand, the invention provides a glass fiber impregnating compound for reinforcing polyvinyl chloride, which comprises the following components in parts by weight:
the silane coupling agent is a mixture of vinyl triethoxysilane, gamma-aminopropyl triethoxysilane and gamma-mercaptopropyl triethoxysilane in a mass ratio of 1:0.8-1.5: 0.7;
the surfactant is a mixture of fatty alcohol-polyoxyethylene ether and disodium lauryl sulfosuccinate monoester in a mass ratio of 1: 0.5-0.7.
Preferably, the glass fiber sizing agent for reinforcing polyvinyl chloride comprises the following components in parts by weight:
further, the molecular weight of the unsaturated polyester resin emulsion is 800-3000; the molecular weight of the aqueous epoxy resin emulsion is 300-500.
Preferably, the antioxidant is antioxidant 1010.
Preferably, the pH regulator is citric acid and/or acetic acid.
On the other hand, the invention also provides a preparation method of the glass fiber impregnating compound for reinforcing polyvinyl chloride, which comprises the following steps:
step 1: dissolving a surfactant in a part of deionized water, and then adding a silane coupling agent and uniformly mixing;
step 2: diluting the unsaturated polyester resin emulsion and the waterborne epoxy resin emulsion with the rest deionized water respectively, adding the diluted unsaturated polyester resin emulsion and the diluted waterborne epoxy resin emulsion into the mixed solution obtained in the step (1), and uniformly mixing;
and step 3: and (3) adding a pH regulator and an antioxidant into the solution obtained in the step (2), and uniformly mixing to obtain the impregnating compound.
In another aspect, the invention further provides an application of the glass fiber sizing agent for reinforcing polyvinyl chloride, which is to dilute the sizing agent to form an 8-10 wt% aqueous solution and coat the glass fiber.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, the silane coupling agent is vinyl triethoxysilane, gamma-aminopropyl triethoxysilane and gamma-mercaptopropyl triethoxysilane in a specific ratio, a reaction group generated after hydrolysis can react with silicon dioxide in the glass fiber, and a group at the other end can be combined with a resin matrix, so that the glass fiber and the resin matrix have better compatibility.
Meanwhile, the silane coupling agent and the resin emulsion can be well dispersed through the surfactant, the resin emulsion can be quickly soaked when contacting with the glass fiber, a uniform resin emulsion film is formed on the surface of the glass fiber, the compatibility of the glass fiber and a resin matrix is improved, and the prepared reinforced material has good mechanical property and mechanical property.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is given with reference to specific embodiments.
In the present invention, the materials and reagents used are not specifically described, and are commercially available.
The invention provides a glass fiber impregnating compound for reinforcing polyvinyl chloride, and a preparation method and application thereof, and specific embodiments are as follows.
Example 1
A method for preparing a glass fiber sizing for reinforcing polyvinyl chloride, the amounts of the materials are shown in Table 1, the data of example 1, and the method comprises the following steps:
step 1: dissolving a surfactant in 1/2 deionized water, and then adding a silane coupling agent and uniformly mixing;
step 2: diluting the unsaturated polyester resin emulsion and the waterborne epoxy resin emulsion with the rest deionized water respectively, adding the diluted unsaturated polyester resin emulsion and the diluted waterborne epoxy resin emulsion into the mixed solution obtained in the step (1), and uniformly mixing;
and step 3: and (3) adding a pH regulator and an antioxidant into the solution obtained in the step (2), and uniformly mixing to obtain the impregnating compound.
The molecular weight of the unsaturated polyester resin emulsion is 800-3000; the molecular weight of the aqueous epoxy resin emulsion is 300-500.
Preferably, the silane coupling agent is a mixture of vinyltriethoxysilane, gamma-aminopropyltriethoxysilane and gamma-mercaptopropyltriethoxysilane;
the surfactant is a mixture of fatty alcohol-polyoxyethylene ether and disodium lauryl sulfosuccinate monoester;
the antioxidant is an antioxidant 1010; the pH regulator is citric acid and/or acetic acid.
Examples 2 to 6
The contents of the respective substances are shown as data in examples 2 to 6 in Table 1, respectively, and the other conditions are the same as in example 1.
To further illustrate the beneficial effects of the present application, a comparative example was constructed as follows, using example 3 as an example only, for reasons of space.
Comparative example 1
The same procedure as in example 3 was repeated except that vinyltriethoxysilane was replaced with the same amount of gamma-aminopropyltriethoxysilane.
Comparative example 2
The same procedure as in example 3 was repeated except that gamma-aminopropyltriethoxysilane was replaced with the same amount of gamma-mercaptopropyltriethoxysilane.
Comparative example 3
The same procedure as in example 3 was repeated except that gamma-mercaptopropyltriethoxysilane was replaced with the same amount of vinyltriethoxysilane.
Comparative example 4
The same conditions as in example 3 were followed except that vinyltriethoxysilane was replaced with the same amount of anilinomethyltriethoxysilane.
Comparative example 5
The same procedure as in example 3 was repeated except that gamma-mercaptopropyltriethoxysilane was replaced with the same amount of gamma- (ethylenediamine) propyltrimethoxysilane.
Comparative example 6
The same procedure as in example 3 was repeated except that gamma-aminopropyltriethoxysilane was replaced with the same amount of gamma- (ethylenediamine) propyltrimethoxysilane.
Comparative example 7
Replacing vinyltriethoxysilane with an equivalent amount of anilinomethyltriethoxysilane; replacing gamma-mercaptopropyltriethoxysilane by an equal amount of gamma- (ethylenediamine) propyltrimethoxysilane; the same procedure as in example 3 was repeated except that gamma-aminopropyltriethoxysilane was replaced with the same amount of gamma- (ethylenediamine) propyltrimethoxysilane.
Comparative example 8
The same procedure as in example 3 was repeated except that the fatty alcohol polyoxyethylene ether was replaced with the same amount of disodium lauryl sulfosuccinate monoester.
Comparative example 9
The same conditions as in example 3 were repeated except that disodium lauryl sulfosuccinate was replaced with the same amount of fatty alcohol-polyoxyethylene ether.
Comparative example 10
The same procedure as in example 3 was repeated except that disodium laurylsulfosuccinate was replaced with an equal amount of ethylene glycol ricinoleate sodium sulfate.
Comparative example 11
The same procedure as in example 3 was repeated except that disodium lauryl sulfosuccinate was replaced with the same amount of sodium stearyl sulfate.
Comparative example 12
The mass ratio of vinyltriethoxysilane, gamma-aminopropyltriethoxysilane and gamma-mercaptopropyltriethoxysilane was 1:1:0.5, and the other conditions were the same as in example 3.
Comparative example 13
The mass ratio of vinyltriethoxysilane, gamma-aminopropyltriethoxysilane and gamma-mercaptopropyltriethoxysilane was 1:0.5:0.7, and the other conditions were the same as in example 3.
TABLE 1
Respectively utilizing the impregnating compounds of examples 1-6 and comparative examples 1-13 of the invention to prepare glass fibers, diluting the impregnating compounds into 10 wt% aqueous solution, drawing 5000 holes to draw 2000tex protofilament, baking at 130 ℃ for 14h, fully opening the microwave to obtain modified glass fibers, and then adding the modified glass fibers into polyvinyl chloride to prepare the composite material, wherein the content of the glass fibers is 30%. The polyvinyl chloride composites of each example and comparative example were tested for tensile strength, flexural strength, notched impact strength and heat distortion temperature, respectively. Wherein the tensile strength test is according to ISO 527; the bending strength was tested according to ISO 178; notched impact strength testing is in accordance with ISO 179; heat distortion temperature (1.8MPa) was tested according to ISO 75.
Examples 1-6 the impregnating compounds were used to prepare glass fiber reinforced polyvinyl chloride composites for performance, and the test results are shown in Table 2.
Comparative examples 1-13 impregnating compounds were used to prepare glass fiber reinforced polyvinyl chloride composites, and the test results are shown in Table 3.
TABLE 2
| Serial number | Tensile strength, MPa | Notched impact strength, kJ/m2 | Flexural strength, MPa | Heat distortion temperature,. degree.C |
| Example 1 | 125 | 34.6 | 131 | 101.4 |
| Example 2 | 127 | 35.2 | 134 | 102.3 |
| Example 3 | 146 | 39.5 | 152 | 107.6 |
| Example 4 | 132 | 35.4 | 137 | 104.9 |
| Example 5 | 142 | 37.8 | 146 | 106.2 |
| Example 6 | 141 | 38.6 | 144 | 106.8 |
As can be seen from the above table, the glass fiber prepared by using the impregnating compound of the present invention as a reinforcing material for polyvinyl chloride can obtain a composite material having high tensile strength, bending strength and notch impact strength, and the prepared composite material has high heat distortion temperature.
TABLE 3
As can be seen from tables 2 to 3, in comparison with comparative examples 1 to 7 and comparative examples 12 to 13, by changing the type and the proportional relationship of the silane coupling agent in the present invention, the properties of the composite material prepared in various aspects are reduced, which is probably because the present invention selects the vinyltriethoxysilane, the gamma-aminopropyltriethoxysilane and the gamma-mercaptopropyltriethoxysilane in specific proportions, so that the glass fiber and the polyvinyl chloride resin matrix have better compatibility, and the silane coupling agent of the present invention has better bonding effect in the reinforcing material of the polyvinyl chloride as the resin matrix.
Compared with comparative examples 8 to 11, by changing the kind of the surfactant in the present invention, various properties of the prepared composite material were also lowered. The silane coupling agent and the resin emulsion can be well dispersed through the specific surfactant, the resin emulsion can be quickly soaked when contacting with the glass fiber, a uniform resin emulsion film is formed on the surface of the glass fiber, the compatibility of the glass fiber and a polyvinyl chloride resin matrix is improved, and the prepared reinforced material has good mechanical property and mechanical property.
In conclusion, the vinyl triethoxysilane, the gamma-aminopropyl triethoxysilane, the gamma-mercaptopropyl triethoxysilane and the surfactant in specific proportions in the invention act together with the resin emulsion, so that the glass fiber and the polyvinyl chloride resin matrix have good compatibility, and the prepared reinforced material has good mechanical properties and high thermal deformation temperature.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and are intended to be within the scope of the invention.
Claims (7)
1. The glass fiber impregnating compound for reinforcing polyvinyl chloride is characterized by comprising the following components in parts by weight:
the silane coupling agent is a mixture of vinyl triethoxysilane, gamma-aminopropyl triethoxysilane and gamma-mercaptopropyl triethoxysilane in a mass ratio of 1:0.8-1.5: 0.7;
the surfactant is a mixture of fatty alcohol-polyoxyethylene ether and disodium lauryl sulfosuccinate monoester in a mass ratio of 1: 0.5-0.7.
2. The glass fiber sizing agent for reinforced polyvinyl chloride according to claim 1, which is characterized by comprising the following components in parts by weight:
3. the glass fiber sizing agent for reinforced polyvinyl chloride as claimed in claim 1 or 2, wherein the molecular weight of the unsaturated polyester resin emulsion is 800-3000; the molecular weight of the aqueous epoxy resin emulsion is 300-500.
4. The sizing agent for glass fiber for reinforced polyvinyl chloride as claimed in claim 3, wherein said antioxidant is antioxidant 1010.
5. The sizing agent for glass fiber for reinforced polyvinyl chloride as claimed in claim 3, wherein said pH regulator is citric acid and/or acetic acid.
6. A process for preparing a glass fiber sizing composition for reinforcing polyvinyl chloride as claimed in any one of claims 1 to 5, which comprises:
step 1: dissolving a surfactant in a part of deionized water, and then adding a silane coupling agent and uniformly mixing;
step 2: diluting the unsaturated polyester resin emulsion and the waterborne epoxy resin emulsion with the rest deionized water respectively, adding the diluted unsaturated polyester resin emulsion and the diluted waterborne epoxy resin emulsion into the mixed solution obtained in the step (1), and uniformly mixing;
and step 3: and (3) adding a pH regulator and an antioxidant into the solution obtained in the step (2), and uniformly mixing to obtain the impregnating compound.
7. The use of a glass fiber sizing composition for reinforcing polyvinyl chloride as claimed in any one of claims 1 to 5, wherein said sizing composition is diluted to form an 8-10 wt% aqueous solution and said glass fibers are coated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640578.3A CN113173715A (en) | 2021-06-09 | 2021-06-09 | Glass fiber impregnating compound for reinforcing polyvinyl chloride and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640578.3A CN113173715A (en) | 2021-06-09 | 2021-06-09 | Glass fiber impregnating compound for reinforcing polyvinyl chloride and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113173715A true CN113173715A (en) | 2021-07-27 |
Family
ID=76927666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110640578.3A Pending CN113173715A (en) | 2021-06-09 | 2021-06-09 | Glass fiber impregnating compound for reinforcing polyvinyl chloride and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113173715A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554618A (en) * | 2023-06-15 | 2023-08-08 | 安庆市悦发管业有限公司 | Glass fiber reinforced PVC pipe and production process thereof |
-
2021
- 2021-06-09 CN CN202110640578.3A patent/CN113173715A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554618A (en) * | 2023-06-15 | 2023-08-08 | 安庆市悦发管业有限公司 | Glass fiber reinforced PVC pipe and production process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102976632B (en) | A kind of BMC chopped glass fiber wetting agent strengthening thermosetting resin | |
| CN113234296A (en) | Glass fiber reinforced PMMA (polymethyl methacrylate) composite material and preparation method thereof | |
| CN103936302B (en) | Continuous basalt fiber assembled roving size and preparation method thereof | |
| CN101100356A (en) | Direct untwisted roving soaking agent | |
| CN113248913B (en) | Glass fiber reinforced nylon composite material and preparation method thereof | |
| CN113234284A (en) | Glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN110790519B (en) | Glass fiber impregnating compound for polyurethane pultrusion composite material and preparation method thereof | |
| CN110818284A (en) | Glass fiber strand twistless roving impregnating compound, preparation method, product and application | |
| CN112979185B (en) | Glass fiber impregnating compound and preparation method thereof | |
| CN107555814A (en) | One kind insulation pultrusion alkali-free glass fibre yarn size | |
| CN108892396A (en) | It is a kind of for producing the size of great surface quality SMC glass fibre | |
| CN113173715A (en) | Glass fiber impregnating compound for reinforcing polyvinyl chloride and preparation method and application thereof | |
| CN113213780B (en) | Glass fiber impregnating compound and preparation method and application thereof | |
| CN113088017B (en) | Glass fiber reinforced polyvinyl chloride composite material and preparation method thereof | |
| CN114030250B (en) | High-elasticity-modulus high-strength glass fiber laminated board and preparation method thereof | |
| CN113233790A (en) | Glass fiber impregnating compound for enhancing PMMA (polymethyl methacrylate), and preparation method and application thereof | |
| CN113121106A (en) | Glass fiber production system and method | |
| WO2023000449A1 (en) | Glass fiber sizing agent for daylighting panel, and preparation method therefor and use thereof | |
| CN113072779B (en) | Glass fiber reinforced polystyrene composite material and preparation method thereof | |
| CN113246426B (en) | Production system and method of glass fiber reinforced composite material | |
| CN115466062A (en) | Glass fiber impregnating compound for reinforced polypropylene and preparation method and application thereof | |
| CN115140953A (en) | Basalt fiber impregnating compound with bisphenol A epoxy resin emulsion as film-forming agent and preparation method thereof | |
| CN113234297A (en) | Production system and method of glass fiber reinforced PMMA (polymethyl methacrylate) composite material | |
| CN115321841A (en) | Water-based phenolic resin enhanced basalt fiber impregnating compound and preparation method thereof | |
| CN109535563A (en) | A kind of environment-friendly composite material and the preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |