Preparation method of modified glass fiber resin composite material

Abstract

The invention relates to the technical field of composite materials, in particular to a preparation method of a modified glass fiber resin composite material. The method comprises the following steps: mixing graphene with a sulfuric acid solution and a nitric acid solution, and uniformly stirring to obtain a mixed solution; mixing a part of the mixed solution with unsaturated polyester resin slurry, adding absolute ethyl alcohol, and performing ultrasonic treatment to obtain a component A; mixing and stirring a silane coupling agent and deionized water, and adding a pH regulator to adjust the pH value to obtain a component B; mixing the other part of the mixed solution, the component A, the component B, a phenolic resin matrix and glass fibers, modifying the glass fibers to obtain a castable, and sequentially pouring, curing and curing the castable to obtain the modified glass fiber resin composite material. According to the invention, the modified glass fiber resin composite material generates firm covalent bond combination, the interfacial shear strength of the resin composite material is improved, the mechanical property of the resin composite material is improved, and the service life of the resin composite material is prolonged.

Description

Technical field

[0001] The present invention relates to the field of composite materials, and in particular, to a modified glass fiber resin composite preparation method. Background technique

[0002] Glass fiber is a performance-excellent inorganic non-metallic material, which has a wide variety of inspirations, strong heat resistance, high corrosion resistance, high mechanical strength. The graphene has good mechanical properties, chemical stability, etc., has broad application prospects in the fields of composite materials. Chinese patent CN102658656A relates to a method of preparing a glass fiber reinforced resin composite leaf spring, and the glass fiber cloth and glass fiber are fully impregnated in epoxy resin, and then the glass fiber cloth is laid a layer on the upper and lower core die; then In the case of proper tension preset, the glass fiber wire is wound around the core mold; when wound, the tension applied to the glass fiber wire is subjected to the number of windi...

Examples

Embodiment 1

[0021] A method of preparing a modified glass fiber resin composite material according to the present embodiment, including:

[0022] S1, mixing the graphene and mass fraction of 80% of the sulfuric acid solution and a mass fraction of 90%, stirred evenly, the mixture is mixed; the mass ratio of graphene and the mixture is 0.6: 1, sulfuric acid solution and nitric acid solution The mass ratio is 1: 0.5;

[0023] S2, mixing the mixture of 1 / 3 in step S1 is mixed with unsaturated polyester resin slurry, anhydrous ethanol, ultrasonic treatment for 1 h, to obtain a component A; mixture of 1 / 3 of step S1 and unsaturated polyester resin The slurry mass ratio is 0.3: 1; the unsaturated polyester resin is edbenant;

[0024] S3, the silane coupling agent of 0.1: 1 is mixed with deionized water, stirred for 40-60 minutes, and the pH adjusting agent is added to adjust the pH of 8, and the component B is obtained.

[0025] S4, the remaining 2 / 3 mixing liquid and component A, component B, and ...

Embodiment 2

[0030] A method of preparing a modified glass fiber resin composite material according to the present embodiment, including:

[0031] S1, mixing the graphene with a mass fraction of 80% of the sulfuric acid solution and a mass fraction of 90%, stirred well, the mixture is mixed; the mass ratio of graphene and the mixture is 0.7: 1, sulfuric acid solution and nitric acid solution The mass ratio is 1: 0.5;

[0032] S2, mixing the mixture of 1 / 3 in step S1 is mixed with unsaturated polyester resin slurry, anhydrous ethanol, ultrasonic treatment for 1 h, to obtain a component A; mixture of 1 / 3 of step S1 and unsaturated polyester resin The slurry mass ratio is 0.4: 1; the unsaturated polyester resin is a presence of benzene;

[0033] S3, a silane coupling agent of 0.2: 1 is mixed with deionized water, stirred for 40-60 minutes, and the pH adjusting agent is adjusted to adjust the pH of 8, and the component B is obtained.

[0034] S4, the remaining 2 / 3 mixing liquid and components A, c...

Embodiment 3

[0039] A method of preparing a modified glass fiber resin composite material according to the present embodiment, including:

[0040] S1, mixing the graphene and the mass fraction of 80% of the sulfuric acid solution and the mass fraction of 90%, stirred well, mixed with a mixture; the mass ratio of graphene and the mixture is 0.8: 1, sulfuric acid solution and nitric acid solution The mass ratio is 1: 0.7;

[0041] S2, mixing with a mixture of 1 / 3 in step S1 is mixed with unsaturated polyester resin slurry, anhydrous ethanol, ultrasonic treatment 1.2H, to obtain a mixture of 1 / 3 of step S1 and unsaturated polyester The resin slurry mass ratio is 0.5: 1; the unsaturated polyester resin is a vinyl ester type;

[0042] S3, a silane coupling agent of 0.3: 1 is mixed with deionized water, stirred for 40-60 minutes, and the pH adjusting agent is added to adjust the pH of 8.5 to obtain component B;

[0043]S4, the remaining 2 / 3 mixing liquid and components A, component B, and the phenol...

Technical field

[0001] The present invention relates to the field of composite materials, and in particular, to a modified glass fiber resin composite preparation method. Background technique

[0002] Glass fiber is a performance-excellent inorganic non-metallic material, which has a wide variety of inspirations, strong heat resistance, high corrosion resistance, high mechanical strength. The graphene has good mechanical properties, chemical stability, etc., has broad application prospects in the fields of composite materials. Chinese patent CN102658656A relates to a method of preparing a glass fiber reinforced resin composite leaf spring, and the glass fiber cloth and glass fiber are fully impregnated in epoxy resin, and then the glass fiber cloth is laid a layer on the upper and lower core die; then In the case of proper tension preset, the glass fiber wire is wound around the core mold; when wound, the tension applied to the glass fiber wire is subjected to the number of windi...

Examples

Embodiment 1

[0021] A method of preparing a modified glass fiber resin composite material according to the present embodiment, including:

[0022] S1, mixing the graphene and mass fraction of 80% of the sulfuric acid solution and a mass fraction of 90%, stirred evenly, the mixture is mixed; the mass ratio of graphene and the mixture is 0.6: 1, sulfuric acid solution and nitric acid solution The mass ratio is 1: 0.5;

[0023] S2, mixing the mixture of 1 / 3 in step S1 is mixed with unsaturated polyester resin slurry, anhydrous ethanol, ultrasonic treatment for 1 h, to obtain a component A; mixture of 1 / 3 of step S1 and unsaturated polyester resin The slurry mass ratio is 0.3: 1; the unsaturated polyester resin is edbenant;

[0024] S3, the silane coupling agent of 0.1: 1 is mixed with deionized water, stirred for 40-60 minutes, and the pH adjusting agent is added to adjust the pH of 8, and the component B is obtained.

[0025] S4, the remaining 2 / 3 mixing liquid and component A, component B, and ...

Embodiment 2

[0030] A method of preparing a modified glass fiber resin composite material according to the present embodiment, including:

[0031] S1, mixing the graphene with a mass fraction of 80% of the sulfuric acid solution and a mass fraction of 90%, stirred well, the mixture is mixed; the mass ratio of graphene and the mixture is 0.7: 1, sulfuric acid solution and nitric acid solution The mass ratio is 1: 0.5;

[0032] S2, mixing the mixture of 1 / 3 in step S1 is mixed with unsaturated polyester resin slurry, anhydrous ethanol, ultrasonic treatment for 1 h, to obtain a component A; mixture of 1 / 3 of step S1 and unsaturated polyester resin The slurry mass ratio is 0.4: 1; the unsaturated polyester resin is a presence of benzene;

[0033] S3, a silane coupling agent of 0.2: 1 is mixed with deionized water, stirred for 40-60 minutes, and the pH adjusting agent is adjusted to adjust the pH of 8, and the component B is obtained.

[0034] S4, the remaining 2 / 3 mixing liquid and components A, c...

Embodiment 3

[0039] A method of preparing a modified glass fiber resin composite material according to the present embodiment, including:

[0040] S1, mixing the graphene and the mass fraction of 80% of the sulfuric acid solution and the mass fraction of 90%, stirred well, mixed with a mixture; the mass ratio of graphene and the mixture is 0.8: 1, sulfuric acid solution and nitric acid solution The mass ratio is 1: 0.7;

[0041] S2, mixing with a mixture of 1 / 3 in step S1 is mixed with unsaturated polyester resin slurry, anhydrous ethanol, ultrasonic treatment 1.2H, to obtain a mixture of 1 / 3 of step S1 and unsaturated polyester The resin slurry mass ratio is 0.5: 1; the unsaturated polyester resin is a vinyl ester type;

[0042] S3, a silane coupling agent of 0.3: 1 is mixed with deionized water, stirred for 40-60 minutes, and the pH adjusting agent is added to adjust the pH of 8.5 to obtain component B;

[0043]S4, the remaining 2 / 3 mixing liquid and components A, component B, and the phenol...