CN109383086A - A kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite and preparation method thereof - Google Patents
A kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite and preparation method thereof Download PDFInfo
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- CN109383086A CN109383086A CN201811320488.0A CN201811320488A CN109383086A CN 109383086 A CN109383086 A CN 109383086A CN 201811320488 A CN201811320488 A CN 201811320488A CN 109383086 A CN109383086 A CN 109383086A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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Abstract
A kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite and preparation method thereof, the present invention relates to composite material and its preparation technical fields.The technical issues of the invention solves existing steel materials, and brittle fracture easily to occur under cryogenic, leads to catastrophic major accident.Composite material of the present invention is the reinforced resin composite material that surface layer is short carbon fiber, sandwich layer is basalt unidirectional cloth；The composite material with a thickness of 2mm, wherein upper epidermis short carbon fiber is with a thickness of 0.5mm, and layer short carbon fiber is with a thickness of 0.5mm, and sandwich layer basalt unidirectional cloth is with a thickness of 1mm；Reinforced resin uses vinylite, epoxy resin, unsaturated polyester (UP) or polyurethane resin.Short carbon fiber of the present invention-basalt unidirectional cloth fiber hybrid composite has lightweight, high-strength and corrosion-resistant etc. excellent performances, is used to prepare low temperature environment military service naval vessel critical component.The present invention is used to prepare low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite.
Description
Technical field
The present invention relates to composite material and its preparation technical fields.
Background technique
Continuous development with China in fields such as low-temperature superconductings is kept good when worked at low temperature composite material
The demand of mechanical performance is increasingly urgent to.At low temperature, the brittle fracture of steel material can cause catastrophic major accident.Cause
This, in recent years, some advanced composite materials melt magnet structure, hydrogen container and energy device in cryogenic system, such as superconducting device
Middle application is more and more.Particularly, fiber-reinforced polymer (FRP) composite material is widely used in cryogenic engineering field preparation pole
Ground naval vessel critical component, such as fastener.The fastener of steel material manufacture is easy that brittle fracture occurs at low temperature, to make material
There are security risks for material, influence the work on polar region naval vessel.Therefore develop low temperature resistant, wear-resisting advanced composite material (ACM) to replace steel
The naval vessel fastener that iron material is used to prepare low temperature environment military service has important practical significance.
Summary of the invention
The invention solves existing steel materials, and brittle fracture easily to occur under cryogenic, leads to catastrophic great thing
Therefore technical problem, and provide a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite and
Preparation method.
A kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite, the composite material are
The reinforced resin composite material that surface layer is short carbon fiber, sandwich layer is basalt unidirectional cloth；The composite material with a thickness of 2mm,
Middle upper epidermis short carbon fiber with a thickness of 0.5mm, layer short carbon fiber with a thickness of 0.5mm, sandwich layer basalt unidirectional cloth with a thickness of
1mm；Reinforced resin uses vinylite, epoxy resin, unsaturated polyester (UP) or polyurethane resin.
Short carbon fiber accounts for increasing in the low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite
The 20~30% of strong resin quality, basalt unidirectional cloth accounts for the 40~60% of reinforced resin quality；The short carbon fiber is nothing
Glue short carbon fiber, the length is 2~5mm, diameter is 7 μm, and density is 1.76~1.78g/cm3。
The filament diameter of the basalt unidirectional cloth is 7 μm, with a thickness of 0.17mm, surface density 300g/m2。
A kind of preparation method of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite, tool
Body sequentially includes the following steps:
One, vinylite is put into 30~60min of holding in ice-water bath, organic silicone oil defoaming agent is then added, uniformly
3~5min is stirred, product A is obtained；Wherein the mass percent of organic silicone oil defoaming agent and vinylite is 0.3~0.5%；
Two, short carbon fiber is added in the product A that part steps one obtain, then carries out mechanical stirring, obtains product
B；
Three, curing agent and promotor are sequentially added in the product B that step 2 obtains, 3~5min of uniform stirring is produced
Product C is divided into two parts by object C；
Four, the mold for posting processing release paper is put into vacuum oven and is preheated, the product C for then obtaining a step 3
Be coated uniformly on processing release paper, used in processing release paper be polytetrafluoroethylene film；
Five, curing agent and promotor are sequentially added in the product A that remainder step 1 obtains, uniform stirring 3~
5min obtains product D；
Six, being placed on basalt unidirectional cloth straight uniform in step 4 on the processing release paper of coated product C, then by product
D is coated uniformly on basalt unidirectional cloth, obtains product E；
Seven, the product C that another step 3 obtains is coated uniformly on to the basalt unidirectional cloth for the product E that step 6 obtains
On, obtain product F；
Eight, the product F that step 7 obtains is put into vacuum oven, vacuumize process is carried out, then in room temperature condition
Lower solidification obtains the low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite.
It is the bubble excluded in F that purpose is wherein vacuum-treated in step 8.
The beneficial effects of the present invention are:
Basalt unidirectional cloth composite material has excellent mechanical performance and heat resistance, and price is low, and short carbon fiber is multiple
Condensation material has excellent low temperature wear resistance energy, and basalt unidirectional cloth composite material and short carbon fiber material is laminated
Molding, prepares short carbon fiber-basalt unidirectional cloth fiber hybrid composite, can play the performance advantage of two kinds of materials, prepares
Obtaining sandwich layer has high intensity, and surface layer has good low temperature wear-resisting property, and low-cost advanced composite material (ACM).Meanwhile
Short carbon fiber-basalt unidirectional cloth fiber hybrid composite has lightweight, high-strength and corrosion-resistant etc. excellent performances, can be used for making
The naval vessel critical component that standby low temperature environment is on active service.
The tensile strength ratio under composite material low temperature prepared by the present invention improves 78~106% at room temperature after tested, resists
Curved intensity improves 20~24%, which has good low temperature wearability and high strength, therefore, the composite material
The components of production can meet product or the needs of equipment works normally for a long time at low ambient temperatures.
The present invention is used to prepare low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite.
Detailed description of the invention
Fig. 1 is the schematic diagram of composite material prepared by embodiment one, wherein 1 represents surface layer, 2 represent sandwich layer.
Specific embodiment
Technical solution of the present invention is not limited to the specific embodiment of act set forth below, further include each specific embodiment it
Between any combination.
Specific embodiment 1: a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth of present embodiment mixes
Fibrous composite, the composite material are the reinforced resin composite materials that surface layer is short carbon fiber, sandwich layer is basalt unidirectional cloth；
The composite material with a thickness of 2mm, wherein upper epidermis short carbon fiber is with a thickness of 0.5mm, layer short carbon fiber with a thickness of
0.5mm, sandwich layer basalt unidirectional cloth is with a thickness of 1mm；Reinforced resin using vinylite, epoxy resin, unsaturated polyester (UP) or
Polyurethane resin.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the low temperature wear-resisting high-strength degree
Short carbon fiber accounts for the 20~30% of reinforced resin quality in short carbon fiber-basalt unidirectional cloth fiber hybrid composite, the Black Warrior
Rock unidirectional cloth accounts for the 40~60% of reinforced resin quality；The short carbon fiber is no glue short carbon fiber, the length is 2~5mm,
Diameter is 7 μm, and density is 1.76~1.78g/cm3.It is other same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the basalt list
It is 7 μm to the filament diameter of cloth, with a thickness of 0.17mm, surface density 300g/m2.Other and specific embodiment one or two-phase
Together.
Specific embodiment 4: a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth of present embodiment mixes
The preparation method of fibrous composite, specifically sequentially includes the following steps:
One, vinylite is put into 30~60min of holding in ice-water bath, organic silicone oil defoaming agent is then added, uniformly
3~5min is stirred, product A is obtained；Wherein the mass percent of organic silicone oil defoaming agent and vinylite is 0.3~0.5%；
Two, short carbon fiber is added in the product A that part steps one obtain, then carries out mechanical stirring, obtains product
B；
Three, curing agent and promotor are sequentially added in the product B that step 2 obtains, 3~5min of uniform stirring is produced
Product C is divided into two parts by object C；
Four, the mold for posting processing release paper is put into vacuum oven and is preheated, the product C for then obtaining a step 3
Be coated uniformly on processing release paper, used in processing release paper be polytetrafluoroethylene film；
Five, curing agent and promotor are sequentially added in the product A that remainder step 1 obtains, uniform stirring 3~
5min obtains product D；
Six, being placed on basalt unidirectional cloth straight uniform in step 4 on the processing release paper of coated product C, then by product
D is coated uniformly on basalt unidirectional cloth, obtains product E；
Seven, the product C that another step 3 obtains is coated uniformly on to the basalt unidirectional cloth for the product E that step 6 obtains
On, obtain product F；
Eight, the product F that step 7 obtains is put into vacuum oven, vacuumize process is carried out, then in room temperature condition
Lower solidification obtains the low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite.
It is the bubble excluded in F that purpose is wherein vacuum-treated in step 8.
Specific embodiment 5: present embodiment is unlike specific embodiment four: controlling machinery in step 2 and stir
Mixing the time is 60min, and speed of agitator is 1200~1600r/min.It is other identical as specific embodiment four.
Specific embodiment 6: present embodiment is unlike specific embodiment four or five: curing agent in step 3
For methyl ethyl ketone peroxide, promotor is thiocarbamyl sulfenamide, the matter of curing agent, promotor and vinylite
Amount is than being 3: 2: 100.It is other identical as specific embodiment four or five.
Specific embodiment 7: unlike one of present embodiment and specific embodiment four to six: pre- in step 4
Hot temperature is 140 DEG C, time 2h.It is other identical as one of specific embodiment four to six.
Specific embodiment 8: unlike one of present embodiment and specific embodiment four to seven: gathering in step 4
Tetrafluoroethene film with a thickness of 0.1mm.It is other identical as one of specific embodiment four to seven.
Specific embodiment 9: unlike one of present embodiment and specific embodiment four to eight: institute in step 5
The curing agent stated is methyl ethyl ketone peroxide, and promotor is thiocarbamyl sulfenamide, curing agent, promotor and ethylene
The mass ratio of base resin is 3: 2: 100.It is other identical as one of specific embodiment four to eight.
Specific embodiment 10: unlike one of present embodiment and specific embodiment four to nine: being taken out in step 8
Absolute pressure >=0.98atm when vacuum processing.It is other identical as one of specific embodiment four to nine.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one:
A kind of preparation of low temperature wear-resisting high-strength degree short carbon fiber of the present embodiment-basalt unidirectional cloth fiber hybrid composite
Method specifically sequentially includes the following steps:
One, 200g vinylite is put into ice-water bath and keeps 30min, 0.3g organic silicone oil defoaming agent is then added,
Uniform stirring 3min obtains product A；
Two, the short carbon fiber that 20g length is 2mm is added in the product A that 100g step 1 obtains, is then carried out mechanical
Stirring, control mechanical stirring time are 60min, and speed of agitator 1200r/min obtains product B；
Three, 3g curing agent and 2g promotor are sequentially added in the product B that step 2 obtains, uniform stirring 3min is obtained
Product C is divided into two parts by product C；Curing agent is methyl ethyl ketone peroxide, and promotor is thiocarbamoyl time sulphonyl
Amine；
Four, the mold for posting processing release paper is put into vacuum oven and is preheated, preheating temperature is 140 DEG C, time 2h, so
The product C that a step 3 obtains is coated uniformly on processing release paper afterwards, used in processing release paper be polytetrafluoroethylene film,
With a thickness of 0.1mm；
Five, 3g curing agent and 2g promotor are sequentially added in the product A that remaining step one obtains, uniform stirring 5min,
Obtain product D；Curing agent is methyl ethyl ketone peroxide, and promotor is thiocarbamyl sulfenamide；
Six, then being placed on 60g basalt unidirectional cloth straight uniform in step 4 on the processing release paper of coated product C will
Product D is coated uniformly on basalt unidirectional cloth, obtains product E；
Seven, the product C that another step 3 obtains is coated uniformly on to the basalt unidirectional cloth for the product E that step 6 obtains
On, obtain product F；
Eight, the product F that step 7 obtains is put into vacuum oven, carries out vacuumize process, when vacuumize process is exhausted
To pressure >=0.98atm, then solidify at room temperature, obtains the low temperature wear-resisting high-strength degree short carbon fiber-basalt list
To cloth fiber hybrid composite.
The mass ratio of short carbon fiber and basalt unidirectional cloth is 20: 60 in the present embodiment.
The schematic diagram of composite material manufactured in the present embodiment is as shown in Figure 1, wherein 1 represent surface layer, 2 represent sandwich layer.
Embodiment two:
A kind of preparation of low temperature wear-resisting high-strength degree short carbon fiber of the present embodiment-basalt unidirectional cloth fiber hybrid composite
Method specifically sequentially includes the following steps:
One, 200g vinylite is put into ice-water bath and keeps 40min, 0.4g organic silicone oil defoaming agent is then added,
Uniform stirring 3min obtains product A；
Two, the short carbon fiber that 25g length is 3mm is added in the product A that 100g step 1 obtains, is then carried out mechanical
Stirring, control mechanical stirring time are 60min, and speed of agitator 1400r/min obtains product B；
Three, 3g curing agent and 2g promotor are sequentially added in the product B that step 2 obtains, uniform stirring 3min is obtained
Product C is divided into two parts by product C；Curing agent is methyl ethyl ketone peroxide, and promotor is thiocarbamoyl time sulphonyl
Amine；
Four, the mold for posting processing release paper is put into vacuum oven and is preheated, preheating temperature is 140 DEG C, time 2h, so
The product C that a step 3 obtains is coated uniformly on processing release paper afterwards, used in processing release paper be polytetrafluoroethylene film,
With a thickness of 0.1mm；
Five, 3g curing agent and 2g promotor are sequentially added in the product A that remaining step one obtains, uniform stirring 5min,
Obtain product D；Curing agent is methyl ethyl ketone peroxide, and promotor is thiocarbamyl sulfenamide；
Six, then being placed on 50g basalt unidirectional cloth straight uniform in step 4 on the processing release paper of coated product C will
Product D is coated uniformly on basalt unidirectional cloth, obtains product E；
Seven, the product C that another step 3 obtains is coated uniformly on to the basalt unidirectional cloth for the product E that step 6 obtains
On, obtain product F；
Eight, the product F that step 7 obtains is put into vacuum oven, carries out vacuumize process, when vacuumize process is exhausted
To pressure >=0.98atm, then solidify at room temperature, obtains the low temperature wear-resisting high-strength degree short carbon fiber-basalt list
To cloth fiber hybrid composite.
The mass ratio of short carbon fiber and basalt unidirectional cloth is 25: 50 in the present embodiment.
Embodiment three:
A kind of preparation of low temperature wear-resisting high-strength degree short carbon fiber of the present embodiment-basalt unidirectional cloth fiber hybrid composite
Method specifically sequentially includes the following steps:
One, 200g vinylite is put into ice-water bath and keeps 60min, 0.5g organic silicone oil defoaming agent is then added,
Uniform stirring 3min obtains product A；
Two, the short carbon fiber that 30g length is 5mm is added in the product A that 100g step 1 obtains, is then carried out mechanical
Stirring, control mechanical stirring time are 60min, and speed of agitator 1600r/min obtains product B；
Three, 3g curing agent and 2g promotor are sequentially added in the product B that step 2 obtains, uniform stirring 3min is obtained
Product C is divided into two parts by product C；Curing agent is methyl ethyl ketone peroxide, and promotor is thiocarbamoyl time sulphonyl
Amine；
Four, the mold for posting processing release paper is put into vacuum oven and is preheated, preheating temperature is 140 DEG C, time 2h, so
The product C that a step 3 obtains is coated uniformly on processing release paper afterwards, used in processing release paper be polytetrafluoroethylene film,
With a thickness of 0.1mm；
Five, 3g curing agent and 2g promotor are sequentially added in the product A that remaining step one obtains, uniform stirring 5min,
Obtain product D；Curing agent is methyl ethyl ketone peroxide, and promotor is thiocarbamyl sulfenamide；
Six, then being placed on 40g basalt unidirectional cloth straight uniform in step 4 on the processing release paper of coated product C will
Product D is coated uniformly on basalt unidirectional cloth, obtains product E；
Seven, the product C that another step 3 obtains is coated uniformly on to the basalt unidirectional cloth for the product E that step 6 obtains
On, obtain product F；
Eight, the product F that step 7 obtains is put into vacuum oven, carries out vacuumize process, when vacuumize process is exhausted
To pressure >=0.98atm, then solidify at room temperature, obtains the low temperature wear-resisting high-strength degree short carbon fiber-basalt list
To cloth fiber hybrid composite.
The mass ratio of short carbon fiber and basalt unidirectional cloth is 30: 40 in the present embodiment.
The wearability that composite material prepared in the above embodiments is measured under the conditions of room temperature and cryogenic temperature are -196 DEG C
It can be as shown in table 1 with mechanical property.
As shown in table 1, the surface layer prepared by the present invention is that the reinforced resin that short carbon fiber sandwich layer is basalt unidirectional cloth is multiple
Scratch depth of the condensation material under low temperature (- 196 DEG C) is 111~310nm, far smaller than its scratch depth at room temperature；It is anti-
Tensile strength is 231.48~307.73MPa, and bending strength is 356.67~371.01MPa, and the tensile strength under low temperature compares room temperature
Under improve 78~106%, bending strength improves 20~24%, the composite material have good low temperature wearability and Gao Lixue
Intensity, therefore, the need that the components of composite material production can meet product or equipment works normally for a long time at low ambient temperatures
It asks.
Claims (10)
1. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite, it is characterised in that this is multiple
Condensation material is the reinforced resin composite material that surface layer is short carbon fiber, sandwich layer is basalt unidirectional cloth；The thickness of the composite material
For 2mm, wherein upper epidermis short carbon fiber is with a thickness of 0.5mm, and for layer short carbon fiber with a thickness of 0.5mm, sandwich layer basalt is unidirectional
Cloth is with a thickness of 1mm；Reinforced resin uses vinylite, epoxy resin, unsaturated polyester (UP) or polyurethane resin.
2. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 1 is compound
Material, it is characterised in that short carbon in the low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite
Fiber accounts for the 20~30% of reinforced resin quality, and basalt unidirectional cloth accounts for the 40~60% of reinforced resin quality；The short carbon
Fiber is no glue short carbon fiber, and the length is 2~5mm, diameter is 7 μm, and density is 1.76~1.78g/cm3。
3. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 1 is compound
Material, it is characterised in that the filament diameter of the basalt unidirectional cloth is 7 μm, with a thickness of 0.17mm, surface density 300g/
m2。
4. a kind of preparation method of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite, special
Sign is that this method specifically sequentially includes the following steps:
One, vinylite is put into 30~60min of holding in ice-water bath, organic silicone oil defoaming agent, uniform stirring 3 is then added
~5min obtains product A；Wherein the mass percent of organic silicone oil defoaming agent and vinylite is 0.3~0.5%；
Two, short carbon fiber is added in the product A that part steps one obtain, then carries out mechanical stirring, obtain product B；
Three, curing agent and promotor being sequentially added in the product B that step 2 obtains, 3~5min of uniform stirring obtains product C,
Product C is divided into two parts；
Four, the mold for posting processing release paper is put into vacuum oven and is preheated, the product C for then obtaining a step 3 is uniform
Coated on processing release paper, used in processing release paper be polytetrafluoroethylene film；
Five, curing agent and promotor are sequentially added in the product A that remainder step 1 obtains, 3~5min of uniform stirring is obtained
To product D；
Six, being placed on basalt unidirectional cloth straight uniform in step 4 on the processing release paper of coated product C, it is then that product D is equal
It is even to be coated on basalt unidirectional cloth, obtain product E；
Seven, the product C that another step 3 obtains is coated uniformly on the basalt unidirectional cloth for the product E that step 6 obtains,
Obtain product F；
Eight, the product F that step 7 obtains is put into vacuum oven, carries out vacuumize process, it is then solid at room temperature
Change, obtains the low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth fiber hybrid composite.
5. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 4 is compound
The preparation method of material, it is characterised in that in step 2 control the mechanical stirring time be 60min, speed of agitator be 1200~
1600r/min。
6. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 4 is compound
The preparation method of material, it is characterised in that curing agent is methyl ethyl ketone peroxide in step 3, and promotor is sulfo-amino first
Acyl sulfenamide, the mass ratio of curing agent, promotor and vinylite are 3: 2: 100.
7. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 4 is compound
The preparation method of material, it is characterised in that preheating temperature is 140 DEG C in step 4, time 2h.
8. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 4 is compound
The preparation method of material, it is characterised in that polytetrafluoroethylene film with a thickness of 0.1mm in step 4.
9. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 4 is compound
The preparation method of material, it is characterised in that curing agent described in step 5 is methyl ethyl ketone peroxide, and promotor is thio
Carbamyl sulfenamide, the mass ratio of curing agent, promotor and vinylite are 3: 2: 100.
10. a kind of low temperature wear-resisting high-strength degree short carbon fiber-basalt unidirectional cloth assorted fibre according to claim 4 is compound
The preparation method of material, it is characterised in that absolute pressure >=0.98atm when vacuumize process in step 8.
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Application publication date: 20190226 |