CN107603152A - A kind of lightweight carbon fiber/epoxy resin composite material and preparation method thereof - Google Patents
A kind of lightweight carbon fiber/epoxy resin composite material and preparation method thereof Download PDFInfo
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- CN107603152A CN107603152A CN201710828675.9A CN201710828675A CN107603152A CN 107603152 A CN107603152 A CN 107603152A CN 201710828675 A CN201710828675 A CN 201710828675A CN 107603152 A CN107603152 A CN 107603152A
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Abstract
The present invention provides a kind of lightweight carbon fiber/epoxy resin composite material, it is characterised in that includes the component of following parts by weight：Carbon fiber：3 ~ 6 parts；Epoxy resin：20 ~ 40 parts；Nano-meter SiO_22Modified epoxy：5 ~ 15 parts；Silicon-based mesoporous material：2 ~ 5 parts；Curing agent：1 ~ 3 part；Accelerator：0.2 ~ 2 part.The lightweight carbon fiber/epoxy resin composite material, mechanical property and good manufacturability, adhesion is strong, and cure shrinkage efficiency is small, has excellent toughness and tensile strength；Density is only the 1/4 of steel simultaneously, and loss of weight amplitude is big, reaches the purpose for reducing weight by the use of lightweight material on the premise of part all properties are met, suitable for outer covering piece.
Description
Technical field
The present invention relates to new material technology field, especially a kind of lightweight carbon fiber/epoxy resin composite material and its system
Preparation Method.
Background technology
Carbon fiber/epoxy resin composite material be one kind using epoxy resin as matrix, using carbon fiber as the compound of reinforcement
Material, there is the superior function such as high specific strength, high ratio modulus, high temperature resistant, corrosion-resistant, antifatigue, be widely used in space flight, vapour
The fields such as car, electronics, sports goods and medicine equipment.
Fibre reinforced composites have light weight, and process velocity is fast, good mechanical performance, resistance to chemical attack etc. a little,
Its residual fiber left length after injection of traditional short fiber reinforced composite is between 0.2~0.6mm, due to fiber
Damage limits the enhancing effect of fibers in composites, and therefore, using long fiber reinforcement composite, its mechanical property has
Obvious advantage.
Therefore, it is necessary to develop a kind of lightweight carbon fiber/epoxy resin composite material and preparation method thereof.
The content of the invention
To solve above-mentioned problem, it is an object of the invention to provide a kind of lightweight carbon fiber/epoxy resin is compound
Material.A kind of lightweight carbon fiber/epoxy resin composite material, mechanical property and good manufacturability, adhesion is strong, cure shrinkage
Efficiency is small, has excellent toughness and tensile strength；Density is only the 1/4 of steel simultaneously, and loss of weight amplitude is big, is meeting part institute
Reach the purpose for reducing weight by the use of lightweight material on the premise of having performance, suitable for outer covering piece.
To reach above-mentioned purpose, the technical scheme is that：
A kind of lightweight carbon fiber/epoxy resin composite material, include the component of following parts by weight：Carbon fiber：3~6 parts；
Epoxy resin：20~40 parts；Nano-meter SiO_22Modified epoxy：5~15 parts；Silicon-based mesoporous material：2~5 parts；Curing agent：1~
3 parts；Accelerator：0.2~2 part.Using epoxy resin-base, and it with the addition of Nano-meter SiO_22Modified epoxy, using Nano-meter SiO_22
Modified epoxy, improve bending and the tensile strength of composite so that the composite materials property and manufacturability
Good, adhesion is strong, and cure shrinkage efficiency is small, has excellent toughness and tensile strength.
Further, the component of following parts by weight is included：Carbon fiber：3.5~5 parts；Epoxy resin：30~40 parts；Receive
Rice SiO2Modified epoxy：5~10 parts；Silicon-based mesoporous material：2~4 parts；Curing agent：1~2 part；Accelerator：1~2 part.
Further, the component of following parts by weight is included：Carbon fiber：4 parts；Epoxy resin：36 parts；Nano-meter SiO_22It is modified
Epoxy resin：6 parts；Silicon-based mesoporous material：2.5 part；Curing agent：1.6 part；Accelerator：1.2 part.
Further, the carbon fiber is long-carbon-fiber, and the length of long-carbon-fiber is 7~14mm.Increased using long-carbon-fiber
Strong composite, the composite for making to be prepared have more excellent mechanical property.
Further, the epoxy resin is bisphenol A type epoxy resin.
Further, the curing agent is any of sodium metasilicate, polyacrylamide, anacardol.
Further, the accelerator is imidazoles accelerator.
A kind of preparation method of lightweight carbon fiber/epoxy resin composite material, comprises the following steps：
(1) carbon fiber is added to ethanol solution 30~60min of ultrasound, be mixed evenly, add silicon-based mesoporous material
Material, continue 5~10min of ultrasonic disperse, obtain mixed solution；
(2) epoxy resin and Nano-meter SiO_2 are added in the mixed solution that step (1) obtains2Modified epoxy, ultrasound 30
Revolving removes solvent after~60min, is subsequently added into curing agent, accelerator is well mixed, and mixture then is positioned over into vacuum does
It is dried in dry case；
(3) the lightweight carbon fiber/epoxy resin composite wood is made by hot-forming in the mixture that step (2) obtains
Material.
The beneficial effects of the present invention are：
(1) a kind of lightweight carbon fiber/epoxy resin composite material of the present invention, using epoxy resin-base, and adds
Nano-meter SiO_2 is added2Modified epoxy, using Nano-meter SiO_22Modified epoxy, bending and the stretching for improving composite are strong
Degree so that the composite materials property and good manufacturability, adhesion is strong, and cure shrinkage efficiency is small, has excellent toughness
And tensile strength；
(2) a kind of lightweight carbon fiber/epoxy resin composite material of the present invention, density are only the 1/4 of steel, loss of weight
Amplitude is big, reaches the purpose for reducing weight by the use of lightweight material on the premise of part all properties are met, is applied to
Outer covering piece；
(3) preparation method of a kind of lightweight carbon fiber/epoxy resin composite material of the present invention, it is simple to operate, easily
In industrialized production.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, enter one with reference to embodiments
Step describes in detail.
Embodiment 1
A kind of lightweight carbon fiber/epoxy resin composite material, include the component of following parts by weight：Carbon fiber：3 parts；Ring
Oxygen tree fat：22 parts；Nano-meter SiO_22Modified epoxy：5 parts；Silicon-based mesoporous material：3 parts；Curing agent：2 parts；Accelerator：0.8
Part.
Embodiment 2
A kind of lightweight carbon fiber/epoxy resin composite material, include the component of following parts by weight：Carbon fiber：4 parts；Ring
Oxygen tree fat：20 parts；Nano-meter SiO_22Modified epoxy：8 parts；Silicon-based mesoporous material：2 parts；Curing agent：1 part；Accelerator：0.2
Part.
Embodiment 3
A kind of lightweight carbon fiber/epoxy resin composite material, include the component of following parts by weight：Carbon fiber：4 parts；Ring
Oxygen tree fat：36 parts；Nano-meter SiO_22Modified epoxy：6 parts；Silicon-based mesoporous material：2.5 part；Curing agent：1.6 part；Accelerator：
1.2 part.
Embodiment 4
A kind of lightweight carbon fiber/epoxy resin composite material, include the component of following parts by weight：Carbon fiber：6 parts；Ring
Oxygen tree fat：40 parts；Nano-meter SiO_22Modified epoxy：13 parts；Silicon-based mesoporous material：5 parts；Curing agent：2.5 part；Accelerator：2
Part.
Embodiment 5
A kind of lightweight carbon fiber/epoxy resin composite material, include the component of following parts by weight：Carbon fiber：4.5 part；
Epoxy resin：34 parts；Nano-meter SiO_22Modified epoxy：15 parts；Silicon-based mesoporous material：3 parts；Curing agent：3 parts；Accelerator：1
Part.
Lightweight carbon fiber/epoxy resin composite material (CF) in embodiment 3 and metal plate punching part (DC03) are carried out pair
Than analyzing, as a result as shown in table 1.
Table 1
It can be obtained by comparative analysis：Metal plate punching part gross weight 9.9KG, lightweight carbon fiber/epoxy resin composite material part are total
Weight 6.5KG, loss of weight 3.4KG；Loss of weight ratio about 35%.
A kind of lightweight carbon fiber/epoxy resin composite material, mechanical property and good manufacturability, adhesion is strong, solidification
It is small to shrink efficiency, there is excellent toughness and tensile strength；Density is only the 1/4 of steel simultaneously, and loss of weight amplitude is big, is meeting zero
Being reached on the premise of part all properties by the use of lightweight material reduces the purpose of weight, suitable for outer covering piece.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent substitution, and without departing from the scope of technical solution of the present invention, it all should cover the power in the present invention
In sharp claimed range.
Claims (8)
1. a kind of lightweight carbon fiber/epoxy resin composite material, it is characterised in that include the component of following parts by weight：Carbon is fine
Dimension：3 ~ 6 parts；Epoxy resin：20 ~ 40 parts；Nano-meter SiO_22Modified epoxy：5 ~ 15 parts；Silicon-based mesoporous material：2 ~ 5 parts；Solidification
Agent：1 ~ 3 part；Accelerator：0.2 ~ 2 part.
2. a kind of lightweight carbon fiber/epoxy resin composite material according to claim 1, it is characterised in that including as follows
The component of parts by weight：Carbon fiber：3.5 ~ 5 parts；Epoxy resin：30 ~ 40 parts；Nano-meter SiO_22Modified epoxy：5 ~ 10 parts；Silicon
Based mesoporous material：2 ~ 4 parts；Curing agent：1 ~ 2 part；Accelerator：1 ~ 2 part.
3. a kind of lightweight carbon fiber/epoxy resin composite material according to claim 1, it is characterised in that including as follows
The component of parts by weight：Carbon fiber：4 parts；Epoxy resin：36 parts；Nano-meter SiO_22Modified epoxy：6 parts；Silicon-based mesoporous material
Material：2.5 part；Curing agent：1.6 part；Accelerator：1.2 part.
4. a kind of lightweight carbon fiber/epoxy resin composite material according to claim 1, it is characterised in that the carbon is fine
Tie up as long-carbon-fiber, the length of long-carbon-fiber is 7 ~ 14mm.
A kind of 5. lightweight carbon fiber/epoxy resin composite material according to claim 1, it is characterised in that the epoxy
Resin is bisphenol A type epoxy resin.
A kind of 6. lightweight carbon fiber/epoxy resin composite material according to claim 1, it is characterised in that the solidification
Agent is any of sodium metasilicate, polyacrylamide, anacardol.
A kind of 7. lightweight carbon fiber/epoxy resin composite material according to claim 1, it is characterised in that the promotion
Agent is imidazoles accelerator.
A kind of 8. preparation method of lightweight carbon fiber/epoxy resin composite material as claimed in claim 1, it is characterised in that
Comprise the following steps：
（1）Carbon fiber is added to ethanol solution 30 ~ 60min of ultrasound, is mixed evenly, adds silicon-based mesoporous material, after
5 ~ 10min of continuous ultrasonic disperse, obtains mixed solution；
（2）In step（1）Epoxy resin and Nano-meter SiO_2 are added in obtained mixed solution2Modified epoxy, ultrasound 30 ~
Revolving removes solvent after 60min, is subsequently added into curing agent, accelerator is well mixed, and mixture then is positioned over into vacuum drying
It is dried in case；
（3）By step（2）The lightweight carbon fiber/epoxy resin composite material is made by hot-forming in obtained mixture.
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| CN201710828675.9A CN107603152A (en) | 2017-09-14 | 2017-09-14 | A kind of lightweight carbon fiber/epoxy resin composite material and preparation method thereof |
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| CN201710828675.9A CN107603152A (en) | 2017-09-14 | 2017-09-14 | A kind of lightweight carbon fiber/epoxy resin composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063106A (en) * | 2020-08-03 | 2020-12-11 | 中国建筑股份有限公司 | Epoxy resin light composite material and preparation method thereof |
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| CN101629010A (en) * | 2009-08-07 | 2010-01-20 | 厦门大学 | Epoxy/POSS/carbon fiber nanometer composite material for light sports equipment and preparation method thereof |
| CN104479293A (en) * | 2014-12-05 | 2015-04-01 | 仲恺农业工程学院 | Low-dielectric epoxy resin composite material filled with meso-porous silicon and a preparation method thereof |
| CN105297448A (en) * | 2015-11-30 | 2016-02-03 | 山东大学 | Interface-enhanced nano silicon dioxide-modified epoxy resin sizing agent for carbon fiber |
| CN105400146A (en) * | 2015-12-22 | 2016-03-16 | 合肥仲农生物科技有限公司 | Novel carbon fiber composite material |
| CN106189095A (en) * | 2016-08-08 | 2016-12-07 | 陆志强 | A kind of bicycle use carbon fiber/epoxy resin composite material and preparation method thereof |
| CN106221127A (en) * | 2016-07-26 | 2016-12-14 | 广西驰胜农业科技有限公司 | A kind of epoxy resin composite material and preparation method thereof |
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2017
- 2017-09-14 CN CN201710828675.9A patent/CN107603152A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629010A (en) * | 2009-08-07 | 2010-01-20 | 厦门大学 | Epoxy/POSS/carbon fiber nanometer composite material for light sports equipment and preparation method thereof |
| CN104479293A (en) * | 2014-12-05 | 2015-04-01 | 仲恺农业工程学院 | Low-dielectric epoxy resin composite material filled with meso-porous silicon and a preparation method thereof |
| CN105297448A (en) * | 2015-11-30 | 2016-02-03 | 山东大学 | Interface-enhanced nano silicon dioxide-modified epoxy resin sizing agent for carbon fiber |
| CN105400146A (en) * | 2015-12-22 | 2016-03-16 | 合肥仲农生物科技有限公司 | Novel carbon fiber composite material |
| CN106221127A (en) * | 2016-07-26 | 2016-12-14 | 广西驰胜农业科技有限公司 | A kind of epoxy resin composite material and preparation method thereof |
| CN106189095A (en) * | 2016-08-08 | 2016-12-07 | 陆志强 | A kind of bicycle use carbon fiber/epoxy resin composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063106A (en) * | 2020-08-03 | 2020-12-11 | 中国建筑股份有限公司 | Epoxy resin light composite material and preparation method thereof |
| CN112063106B (en) * | 2020-08-03 | 2022-06-21 | 中国建筑股份有限公司 | Epoxy resin light composite material and preparation method thereof |
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