CN108456398A - A kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material - Google Patents
A kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material Download PDFInfo
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
- C08G59/4021—Ureas; Thioureas; Guanidines; Dicyandiamides
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
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Abstract
The invention belongs to high-performance epoxy resin and its composite material applied technical fields, are related to a kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material.The composition includes：The liquid-state epoxy resin of 60~100 mass fractions；The solid epoxy resin of 0~40 mass fraction；2~15 parts of nano-rubber particle, the dicy-curing agent of 1.0~12 mass fractions；The accelerating agent of 0.5~6 mass fraction.A kind of epoxy resin is prepared using shearing dispersion mixing mode, the impact strength of the system reaches as high as 50kJ/m2 or more in 31kJ/m2 or more, has good toughness.There is excellent interlaminal toughness and shock resistance using epoxy/glass fiber composite material prepared by the epoxy systems, I mode Ⅱ fracture toughness is up to 1706J/m2More than, more common epoxy/glass fiber composite material improves 60%, and post-impact compression improves 62% up to 260MPa or more, more common epoxy/glass fiber composite material.
Description
Technical field
The invention belongs to high-performance epoxy resin and its composite material applied technical fields, and it is tough to be related to a kind of high interlayer faults
Property impact-resistant epoxide resin base glass fibre composite material.
Background technology
Epoxy resin is the epoxy oligomer containing more than two epoxy groups in a molecule, and being reacted with curing agent can be with
Form the thermosets of three-dimensional crosslinked network shape.Epoxy resin have good mechanical performance, electric property, corrosion resistance and
Craftsmanship is widely used in each field such as coating, electrically insulating material, adhesive and composite material.Dicyandiamide is common epoxy
Resin latent curative, has good stability, and has overlength storage period, is the normal of epoxy resin and its composite material using good
Use curing agent.But dicyandiamide epoxy resin solidifying system there are brittleness big, material interlayer poor toughness, the low problem of impact resistance,
The toughness requirements of high-performance composite materials cannot be met.Therefore the toughness for improving dicyandiamide cure epoxy-resin systems, finally carries
The layers cementing toughness and shock resistance of high composite material are the important research of high-performance epoxy composite material for a long time
Target.
Chinese patent 201510444593.5 is using liquid nitrile rubber flexibilizing epoxy/dicyandiamide system, using blending
Method has prepared a kind of epoxy resin glued membrane, which has good toughness.Chinese patent 201010611628.7 uses
Core-shell polymer flexibilizing epoxy/dicyandiamide/DDS curing systems, obtains a kind of epoxy resin, and hot melt preparation process is used in combination to prepare
Go out a kind of fabric reinforced epoxy prepreg, composite material has good mechanical property.CN201410211721.7
Using the epoxy resin composite material of active end group liquid rubber and hollow glass micropearl coordination plasticizing.But there is system in these methods
Standby complex process, the problems such as toughening effect is not notable, lead to that composite material interlayer toughness is low, impact resistance is poor.
Invention content
The present invention exactly leads to that composite material interlayer toughness is low, anti-impact for above-mentioned dicyandiamide cure epoxy systems toughness is low
The problem of hitting property difference provides the preparation side of a kind of high-tenacity and shock-resistance epoxy/dicyandiamide resin composition and its composite material
Method.
Technical solution of the invention is that epoxy resin-base includes following component：
A ingredients：The liquid-state epoxy resin of 70~100 mass fractions；
B component：The bisphenol A-type solid epoxy resin of 0.5~30 mass fraction；
C ingredients：The dicy-curing agent of 2~8 mass fractions；
D ingredients：The ureas accelerating agent of 0.5~6 mass fraction；
E ingredients：The nano-rubber particle toughening agent of 2~15 mass fractions, grain size are 50~200nm.
Epoxy resin-base is prepared in accordance with the following methods：
(1) epoxy resin, curing agent, accelerating agent are respectively placed in drying box, dry 1~4h, is removed at 80~110 DEG C
Remove moisture and volatile matter therein；
(2) make at 100~150 DEG C B component solid epoxy be fully dissolved into A component liquids epoxy resin at
For composition G；
(3) E component powders rubber is proportionally added into component G, powdered rubber is completed in ring using three roller methods
Dispersion in oxygen resin obtains a kind of translucent composition H；
(4) C ingredients curing agent, D ingredients accelerating agent are proportionally added in composition H, after mixing, are futher stirred
Disperse 10~60min, so that each ingredient is sufficiently mixed, obtain a kind of high-tenacity and shock-resistance epoxy resin.
The A ingredient liquid-state epoxy resins are softening point in 0 DEG C of epoxy resin below.
The B component solid epoxy is epoxy resin of the softening point at 80 DEG C or more.
The D ingredient accelerating agents are：4,4 '-methylene-two (phenyl dimethyl urea), 3- phenyl -1,1- dimethyl urea,
3- (4- chlorphenyls) -1,1- dimethyl ureas, 3- p-nitrophenyls -1,1- dimethyl urea, 3- (3,4- dichlorophenyl) -1,1- diformazans
Urea, N- (3,4- dichlorophenyl)-N, N '-diphenyl ureas, 4- phenyl -1,1- dimethylaminos urea, 4,4- bis- (N, N- dimethyl)
One or more of mixtures of urea diphenyl-methane and other carbamide derivatives.
The A part epoxy resins are bisphenol A type epoxy resin, phenol aldehyde type epoxy resin, glycidyl amine epoxy tree
It is one or more mixed in fat, bisphenol f type epoxy resin, aliphatic glycidyl ether type, o-phthalic acid diglycidyl ester
Close object.
A kind of prepreg one-way tape prepared using high-tenacity and shock-resistance epoxy resin-base, resin matrix used is using upper
The preparation of high-tenacity and shock-resistance epoxy-resin systems is stated, reinforcing material used is glass fibre, and preparation method uses hot melt or molten
Liquid method prepares prepreg one-way tape.
Composite material prepared by high-tenacity and shock-resistance epoxy resin-base prepreg one-way tape, passes through autoclave or molding side
It is prepared by method.
The present invention has the advantage that and advantageous effect,
A kind of epoxy/dicyandiamide resin system of the present invention, which is adjusted by component and nanometer rubber
The dispersion toughening of micelle, can obtain a kind of high-tenacity and shock-resistance epoxy/dicyandiamide resin system, which has high-ductility
Property, shock proof characteristic, disclosure satisfy that prepared by hot melt and acetone soln method prepreg one-way tape requires, the composite material of preparation
With good interlaminar fracture toughness and shock resistance.Operating procedure of the present invention is simple and practicable, can be used for batch asphalt mixtures modified by epoxy resin
The preparation of fat, prepreg band and composite material.The purpose is to prepare a kind of high-tenacity and shock-resistance epoxy resin, the epoxy resin
Impact strength reach as high as 53.4kJ/m2, 154% is improved compared with ordinary epoxy resin, there is excellent shock resistance, energy
It is enough to cure at 130 DEG C.The epoxy systems can be used for glass prepreg one-way tape and its prepared by composite material, the composite wood of preparation
Expect I mode Ⅱ fracture toughness up to 1706J/m2More than, more common epoxy/glass fiber composite material improves 60%, is pressed after impact
Contracting intensity improves 62% up to 260MPa or more, more common epoxy/glass fiber composite material, has good interlaminar fracture toughness
And shock resistance.
Specific implementation mode
(1) epoxy resin, curing agent, accelerating agent are respectively placed in drying box, dry 1~4h, is removed at 80~110 DEG C
Remove moisture and volatile matter therein；Epoxy resin is bisphenol A type epoxy resin, phenol aldehyde type epoxy resin, glycidyl amine epoxy
Resin, bisphenol f type epoxy resin, aliphatic glycidyl ether type, o-phthalic acid diglycidyl ester etc. are one or more mixed
Close object.Curing agent is dicyandiamide.Accelerating agent is：4,4 '-methylene-two (phenyl dimethyl urea), 3- phenyl -1,1- dimethyl
Urea, 3- (4- chlorphenyls) -1,1- dimethyl ureas, 3- p-nitrophenyls -1,1- dimethyl urea, 3- (3,4- dichlorophenyl) -1,1-
Dimethyl urea, N- (3,4- dichlorophenyl)-N, N '-diphenyl ureas, 4- phenyl -1,1- dimethylaminos urea, (N, the N- diformazans of 4,4- bis-
Base) urea diphenyl-methane and other carbamide derivatives etc. one or more of mixtures.Toughener is nano-rubber particle toughening agent,
Grain size is the particle of 50~200nm sizes.
(2) make at 100~150 DEG C B component solid epoxy be fully dissolved into A component liquids epoxy resin at
For composition G.
(3) E component powders rubber is proportionally added into component G, powdered rubber is completed in ring using three roller methods
Dispersion in oxygen resin obtains a kind of translucent composition H.
(4) curing agent, accelerating agent are proportionally added to by composition H, after preliminary mixing, are futher stirred point
10~60min is dissipated, so that each ingredient is sufficiently mixed, obtains a kind of high-tenacity and shock-resistance epoxy resin.
(5) obtained epoxy resin is poured into resin cast mould, at 60~110 DEG C under vacuumized conditions, is taken off
Bubble removing is put into baking oven the curing process solidification according to 80 DEG C/1h → 100 DEG C/1h → 130 DEG C/2h, obtains resin cast
Body.The impact strength of casting resin is executed according to GB1043.
(6) epoxy resin of preparation is prepared into prepreg one-way tape on pre- dipping machine, preparation method using hot melt or
It is prepared by solwution method：(1) hot melt：Epoxy resin is positioned in air dry oven, 0.5~2h is preheated at 30~80 DEG C；It will
Resin by preheating is added in steeping vat, 40~80 DEG C of control steeping vat temperature；It presoaks and prepares on the pre- dipping machine of one-step method
Prepreg one-way tape；(2) solwution method：30~60 parts of high-tenacity and shock-resistance epoxy resin is added to 70~30 parts of acetone solvent
In, 0.5~1h of stirring to resin is completely dispersed in the solution；Prepreg one-way tape is prepared in preimpregnation on the pre- dipping machine of solwution method.
(7) prepreg one-way tape is cut according to required size, paving, then by autoclave or press moulding mode according to
Solidification temperature (130 ± 5) DEG C/2h, the technique curing molding of 0.2~0.6MPa of solidifying pressure, is prepared into fiber volume fraction control
The composite material in (61 ± 3) % is made, the interlaminar fracture toughness of composite material is executed according to ASTM D 5528, shock resistance
It is tested using post-impact compression, is executed according to ASTM D 7137.
The technology that designs and prepares of the present invention is described in further details below by embodiment.
Embodiment 1
By the bisphenol-A liquid epoxy resin D.E.R.331 of 90 mass fractions, the bisphenol A-type solid ring of 10 mass fractions
Oxygen resin D.E.R.662, the dicyandiamide of 6 mass fractions, 4,4- bis- (N, N- dimethyl) urea diphenyl-methane of 4 mass fractions, 4 matter
The nano-rubber particle for measuring number, dry 3h, removes moisture and volatile matter therein at 100 DEG C；Under agitation, will consolidate
Body epoxy is added in liquid epoxies, and 30min is heated at 120 DEG C, until solid epoxy is completely dissolved
To component G, nano-rubber particle is proportionally added into component G, powdered rubber is completed in asphalt mixtures modified by epoxy resin using three roller methods
Dispersion in fat obtains a kind of translucent composition H.Curing agent, accelerating agent are proportionally added to by composition H
In, after preliminary mixing, dispersion 40min is futher stirred, so that each ingredient is sufficiently mixed, obtains a kind of high-tenacity and shock-resistance asphalt mixtures modified by epoxy resin
Resin system 1.
The system 1 of preparation is poured into resin cast mould, at 80 DEG C under vacuumized conditions, bubble is removed, is put into
Cure according to the curing process of 80 DEG C/1h → 100 DEG C/1h → 130 DEG C/2h in baking oven, obtains the transparent solidification production of appearance uniform
Object.The impact strength that casting resin is tested according to GB1043 is 34.9kJ/m2, more general urea catalysis dicyandiamide cure epoxy body
System improves 66%, has good toughness.
The epoxy-resin systems 1 of preparation are prepared into prepreg one-way tape, resin preheating temperature control on the pre- dipping machine of hot melt
For system at 40 DEG C, impregnation temperature controls the glass prepreg one-way tape prepared at 45 DEG C.By prepreg one-way tape according to required
Size cutting, paving, then by autoclave mode according to 130 DEG C/2h of solidification temperature, the technique of solidifying pressure 0.3MPa cures
Molding, it is 59% to be prepared into fiber volume fraction.The interlaminar fracture toughness that composite material is measured according to ASTM D 5528 is
1611J/m2, the post-impact compression that material is measured according to ASTM D 7137 is 203MPa, respectively more common epoxy/glass
Composite material improves 51.2% and 26%, has good interlaminar fracture toughness and impact resistance.
Embodiment 2
By the bisphenol-A liquid epoxy resin D.E.R.331 of 80 mass fractions, the glycidyl amine epoxy of 5 mass fractions
Resin A G-80, the bisphenol A-type solid epoxy D.E.R.662 of 15 mass fractions, the dicyandiamide of 8 mass fractions, 2 mass parts
Several 4,4- bis- (N, N- dimethyl) urea diphenyl-methanes, the nano-rubber particle of 6 mass fractions, dry 3h, removes at 105 DEG C
Moisture and volatile matter therein；Under agitation, solids epoxy epoxy resin is added in liquid epoxies, 120 DEG C
Lower 40min is completely dissolved to obtain component G to solid epoxy, and nano-rubber particle is proportionally added into component G, is adopted
The dispersion of powdered rubber in the epoxy is completed with three roller methods, obtains a kind of translucent composition H.By curing agent, promote
Proportionally it is added into agent by composition H, after preliminary mixing, futher stirring dispersion 10min, keeping each ingredient fully mixed
It closes, obtains a kind of high-tenacity and shock-resistance epoxy-resin systems 2.
The system 2 of preparation is poured into resin cast mould, at 75 DEG C under vacuumized conditions, bubble is removed, is put into
Cure according to the curing process of 80 DEG C/1h → 100 DEG C/1h → 130 DEG C/2h in baking oven, obtains the transparent solidification production of appearance uniform
Object.The impact strength that casting resin is tested according to GB1043 is 44.3kJ/m2, more general urea catalysis dicyandiamide cure epoxy body
System improves 110%, has good toughness.
The epoxy-resin systems 2 of preparation are prepared into prepreg one-way tape, resin preheating temperature control on the pre- dipping machine of hot melt
For system at 50 DEG C, impregnation temperature controls the glass prepreg one-way tape prepared at 55 DEG C.By prepreg one-way tape according to required
Size cutting, paving, then by autoclave mode according to 130 DEG C/2h of solidification temperature, the technique of solidifying pressure 0.3MPa cures
Molding, it is 62% to be prepared into fiber volume fraction.The interlaminar fracture toughness that composite material is measured according to ASTM D 5528 is
1730J/m2, the post-impact compression that material is measured according to ASTM D 7137 is 238MPa, respectively more common epoxy/glass
Composite material improves 62.4% and 47.8%, has good interlaminar fracture toughness and impact resistance.
Embodiment 3
By the bisphenol-A liquid epoxy resin E-54 of 80 mass fractions, the glycidyl amine epoxy resin of 10 mass fractions
AG-80, the bisphenol A-type solid epoxy CYD-017 of 10 mass fractions, the dicyandiamide of 5 mass fractions, the 3- of 3 mass fractions
(4- chlorphenyls) -1,1- dimethyl ureas, the nano-rubber particle of 8 mass fractions, dry 4h, removes moisture therein at 95 DEG C
With volatile matter；Under agitation, solids epoxy epoxy resin is added in liquid epoxies, 25min is to admittedly at 140 DEG C
Body epoxy resin is completely dissolved to obtain component G, and nano-rubber particle is proportionally added into component G, using three roller methods
The dispersion of powdered rubber in the epoxy is completed, a kind of translucent composition H is obtained.By curing agent, accelerating agent according to than
Example is added to by composition H, after preliminary mixing, futher stirring dispersion 20min, so that each ingredient is sufficiently mixed, obtain one
Kind high-tenacity and shock-resistance epoxy-resin systems 3.
The system 3 of preparation is poured into resin cast mould, at 80 DEG C under vacuumized conditions, bubble is removed, is put into
Cure according to the curing process of 80 DEG C/1h → 100 DEG C/1h → 130 DEG C/2h in baking oven, obtains the transparent solidification production of appearance uniform
Object.The impact strength that casting resin is tested according to GB1043 is 53.4kJ/m2, more general urea catalysis dicyandiamide cure epoxy body
System improves 154%, has good toughness.
The epoxy-resin systems 3 of 40 mass fractions are added in the acetone solvent of 60 mass fractions, stir 40min, prepared
Go out epoxy resin/acetone soln.Prepreg winding one-way tape is prepared on the pre- dipping machine of solwution method.By prepreg one-way tape according to institute
Size cutting, the paving needed, then by press moulding mode according to 130 DEG C/2h of solidification temperature, the technique of solidifying pressure 0.4MPa is solid
Chemical conversion type, it is 61% to be prepared into fiber volume fraction.The interlaminar fracture toughness that composite material is measured according to ASTM D 5528 is
1706J/m2, the post-impact compression that material is measured according to ASTM D 7137 is 260MPa, respectively more common epoxy/glass
Composite material improves 60.2% and 61.5%, has good interlaminar fracture toughness and impact resistance.
Embodiment 4
By the bisphenol-A liquid epoxy resin E-54 of 75 mass fractions, the phenol aldehyde type epoxy resin of 20 mass fractions
D.E.N.438, the solid epoxy CYD-014 of 5 mass fractions, the curing agent dicyandiamide of 8 mass fractions, 3 mass fractions
Accelerating agent 3- phenyl -1,1- dimethyl ureas, the nano-rubber particle of 2 mass fractions, dry 2h, removes therein at 110 DEG C
Moisture and volatile matter.Under agitation, solids epoxy epoxy resin is added in liquid epoxies, 20min at 120 DEG C
It is completely dissolved to obtain component G to solid epoxy, nano-rubber particle is proportionally added into component G, using three rollers
Method completes the dispersion of powdered rubber in the epoxy, obtains a kind of translucent composition H.Curing agent, accelerating agent are pressed
It is added to by composition H, after preliminary mixing, futher stirring dispersion 30min, so that each ingredient is sufficiently mixed, obtain according to ratio
To a kind of high-tenacity and shock-resistance epoxy-resin systems 4.
The system 4 of preparation is poured into resin cast mould, at 90 DEG C under vacuumized conditions, bubble is removed, is put into
Cure according to the curing process of 90 DEG C/1h → 100 DEG C/1h → 130 DEG C/2h in baking oven, obtains the transparent solidification production of appearance uniform
Object.The impact strength that casting resin is tested according to GB1043 is 31.6kJ/m2, more general urea catalysis dicyandiamide cure epoxy body
System improves 50.4%, has good toughness.
The epoxy-resin systems 4 of 30 mass fractions are added in the acetone solvent of 70 mass fractions, stir 60min, prepared
Go out epoxy resin/acetone soln.Prepreg winding one-way tape is prepared on the pre- dipping machine of solwution method.By prepreg one-way tape according to institute
Size cutting, the paving needed, then by press moulding mode according to 130 DEG C/2h of solidification temperature, the technique of solidifying pressure 0.3MPa is solid
Chemical conversion type, it is 62% to be prepared into fiber volume fraction.The interlaminar fracture toughness that composite material is measured according to ASTM D 5528 is
1324J/m2, the post-impact compression that material is measured according to ASTM D 7137 is 196MPa, respectively more common epoxy/glass
Composite material improves 24.3% and 21.7%, has good interlaminar fracture toughness and impact resistance.
Comparative example：By the bisphenol-A liquid epoxy resin E-54 of 85 mass fractions, the solid epoxy of 15 mass fractions
CYD-014, the curing agent dicyandiamide of 6 mass fractions, accelerating agent 3- phenyl -1,1- dimethyl ureas of 3 mass fractions, at 110 DEG C
Lower dry 2h removes moisture and volatile matter therein.Under agitation, solids epoxy epoxy resin is added to liquid epoxy
In resin, 20min is completely dissolved to obtain component G to solid epoxy at 120 DEG C, and curing agent, accelerating agent are proportionally added
It is added to by composition H, after preliminary mixing, futher stirring dispersion 30min, each ingredient being made to be sufficiently mixed, obtain one kind not
The epoxy-resin systems 5 of the particle containing nano-rubber.
The system 5 of preparation is poured into resin cast mould, at 80 DEG C under vacuumized conditions, bubble is removed, is put into
Cure according to the curing process of 90 DEG C/1h → 100 DEG C/1h → 130 DEG C/2h in baking oven, obtains the transparent solidification production of appearance uniform
Object.The impact strength that casting resin is tested according to GB1043 is 21kJ/m2。
The epoxy-resin systems 5 of 40 mass fractions are added in the acetone solvent of 70 mass fractions, stir 60min, prepared
Go out epoxy resin/acetone soln.Prepreg winding one-way tape is prepared on the pre- dipping machine of solwution method.By prepreg one-way tape according to institute
Size cutting, the paving needed, then by press moulding mode according to 130 DEG C/2h of solidification temperature, the technique of solidifying pressure 0.3MPa is solid
Chemical conversion type, it is 60% to be prepared into fiber volume fraction.The interlaminar fracture toughness that composite material is measured according to ASTM D 5528 is
1065J/m2, the post-impact compression that material is measured according to ASTM D 7137 is 161MPa.
Claims (8)
1. a kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material, which is characterized in that epoxy resin
Matrix includes following component：
A ingredients：The liquid-state epoxy resin of 70~100 mass fractions；
B component：The bisphenol A-type solid epoxy resin of 0.5~30 mass fraction；
C ingredients：The dicy-curing agent of 2~8 mass fractions；
D ingredients：The ureas accelerating agent of 0.5~6 mass fraction；
E ingredients：The nano-rubber particle toughening agent of 2~15 mass fractions, grain size are 50~200nm.
2. a kind of preparation method of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material, feature exist
In epoxy resin-base is prepared in accordance with the following methods：
(1) epoxy resin, curing agent, accelerating agent are respectively placed in drying box, dry 1~4h, removes it at 80~110 DEG C
In moisture and volatile matter；
(2) so that B component solid epoxy is fully dissolved into A component liquids epoxy resin at 100~150 DEG C becomes group
Close object G；
(3) E component powders rubber is proportionally added into component G, powdered rubber is completed in asphalt mixtures modified by epoxy resin using three roller methods
Dispersion in fat obtains a kind of translucent composition H；
(4) C ingredients curing agent, D ingredients accelerating agent are proportionally added in composition H, after mixing, futher stir dispersion
10~60min makes each ingredient be sufficiently mixed, and obtains a kind of high-tenacity and shock-resistance epoxy resin.
3. a kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material as described in claim 1,
It is characterized in that, the A ingredient liquid-state epoxy resins are softening point in 0 DEG C of epoxy resin below.
4. a kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material as described in claim 1,
It is characterized in that, the B component solid epoxy is epoxy resin of the softening point at 80 DEG C or more.
5. a kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material as described in claim 1,
It is characterized in that, the D ingredient accelerating agents are：4,4 '-methylene-two (phenyl dimethyl urea), 3- phenyl -1,1- dimethyl
Urea, 3- (4- chlorphenyls) -1,1- dimethyl ureas, 3- p-nitrophenyls -1,1- dimethyl urea, 3- (3,4- dichlorophenyl) -1,1-
Dimethyl urea, N- (3,4- dichlorophenyl)-N, N '-diphenyl ureas, 4- phenyl -1,1- dimethylaminos urea, (N, the N- diformazans of 4,4- bis-
Base) urea diphenyl-methane and other carbamide derivatives one or more of mixtures.
6. a kind of high interlaminar fracture toughness impact-resistant epoxide resin base glass fibre composite material as claimed in claim 3,
It is characterized in that, the A part epoxy resins are bisphenol A type epoxy resin, phenol aldehyde type epoxy resin, glycidyl amine epoxy tree
It is one or more mixed in fat, bisphenol f type epoxy resin, aliphatic glycidyl ether type, o-phthalic acid diglycidyl ester
Close object.
7. prepreg one-way tape prepared by a kind of a kind of high-tenacity and shock-resistance epoxy resin-base using described in claim 2,
It is characterized in that, resin matrix used is prepared using above-mentioned high-tenacity and shock-resistance epoxy-resin systems, reinforcing material used is glass
Glass fiber, preparation method prepare prepreg one-way tape using hot melt or solwution method.
8. a kind of a kind of prepreg one-way tape system prepared by high-tenacity and shock-resistance epoxy resin-base according to claim 7
Standby composite material, which is characterized in that prepared by autoclave or mould pressing method.
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| CN109762302A (en) * | 2019-02-15 | 2019-05-17 | 无锡市立帆绝缘材料科技有限公司 | Prepreg and preparation method thereof for glass grid cloth |
| CN111019292A (en) * | 2019-11-28 | 2020-04-17 | 南京航空航天大学 | Preparation method of epoxy resin with low thermal expansion coefficient |
| CN111378251A (en) * | 2020-05-07 | 2020-07-07 | 江苏绿材谷新材料科技发展有限公司 | Preparation method of high-corrosion-resistance long-service-life glass fiber rod |
| CN111391435A (en) * | 2020-03-25 | 2020-07-10 | 巩义市泛锐熠辉复合材料有限公司 | Novel composite fiber board and preparation method thereof |
| CN111548603A (en) * | 2020-06-10 | 2020-08-18 | 九江科旭复合材料制造有限公司 | Preparation method of improved epoxy resin-based glass fiber composite material |
| CN113429546A (en) * | 2021-07-30 | 2021-09-24 | 中国航发北京航空材料研究院 | High-fracture-toughness low-viscosity epoxy resin composition |
| CN113896861A (en) * | 2021-11-26 | 2022-01-07 | 中航复合材料有限责任公司 | Dicyandiamide cured epoxy resin suitable for out-of-tank molding and preparation method thereof |
| CN115044172A (en) * | 2022-06-09 | 2022-09-13 | 台州市黄岩区武汉理工高性能复合材料技术研究院 | Single-component epoxy resin composition for prepreg and preparation method thereof |
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| CN113429546A (en) * | 2021-07-30 | 2021-09-24 | 中国航发北京航空材料研究院 | High-fracture-toughness low-viscosity epoxy resin composition |
| CN113896861A (en) * | 2021-11-26 | 2022-01-07 | 中航复合材料有限责任公司 | Dicyandiamide cured epoxy resin suitable for out-of-tank molding and preparation method thereof |
| CN115044172A (en) * | 2022-06-09 | 2022-09-13 | 台州市黄岩区武汉理工高性能复合材料技术研究院 | Single-component epoxy resin composition for prepreg and preparation method thereof |
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