CN101331176B - Reinforced composite material - Google Patents
Reinforced composite material Download PDFInfo
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- CN101331176B CN101331176B CN2006800475540A CN200680047554A CN101331176B CN 101331176 B CN101331176 B CN 101331176B CN 2006800475540 A CN2006800475540 A CN 2006800475540A CN 200680047554 A CN200680047554 A CN 200680047554A CN 101331176 B CN101331176 B CN 101331176B
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Abstract
The present invention relates to a reinforced composite material and a method for its production. The composite material comprises at least one cured resin having a reinforcing material. Preferably the reinforcing material is a plurality of glass fibres which are treated such that the properties of the interphase substantially surrounding each fibre are substantially equivalent to those of the bulk cured resin. The fibre treatment may be selected from the group consisting of a polymeric coating, a hydrophilic surface coating, a surface coating of a free radical inhibitor, or a reduction in the total surface area of the fibres. The reinforced composite material of the invention provides improved long-term mechanical properties compared to traditional glass fibre reinforced materials.
Description
Technical field
The present invention relates to reinforced composite, and particularly, relate to fiber reinforced polymer composites.Yet, be to be understood that to the invention is not restricted to this concrete Application Areas.
Background technology
Any discussion of the prior art in whole specification sheets should be considered to never admit that this prior art is extensively known, perhaps is formed in the part of the common sense in this field.
Fiber reinforced polymer composites is well known in the art, and prepares through curable resin and reactive diluent are reacted in the presence of radical initiator usually.Usually, curable resin is a unsaturated polyester resin, and reactive diluent is a vinyl monomer.Usually in prescription, comprise strongthener such as spun glass so that dimensional stability and toughness to be provided.This reinforced composite is used for the industrial application of many keys, comprises building, automobile, aerospace, sea-freight and corrosion resistant products.
For the glass fibre reinforced polymer composites of routine, staple length is extremely assigned in tens of meters the scope in the for example situation of heater supply winding at about 12mm usually.In these glass fibre polymer composites, most of fiber is fixed in position through mechanical friction, and fiber has only more weak combining with resin matrix.Therefore, the performance of these polymer composites mainly ascribes the length of used fiber to, and in these matrix materials, between fiber and resin, has discontinuous/gap.The crackle that in resin matrix, causes is found to be difficult to jump gaps, and therefore, in these matrix materials, the crackle that in resin, causes stops at resin boundary usually, and does not arrive glass surface.Yet conventional glass fiber compound material has many shortcomings.For example, be difficult to before solidifying with resin " wetting " fiber, and even the dispersion of macrofiber in whole matrix material be difficult, particularly for complex component.
In addition, the glass reinforced polymer composites of this routine receives their the common restriction that needs manual stratified production technology, and is perhaps very restricted aspect the shape of mould and complicacy.
In order to overcome these shortcomings, can use very short spun glass.VSFPLC or very short fibre polymerisable liquid composites can be made tensile strength greater than 80MPa, the flexural strength layered product greater than 130MPa.VSFPLC is the very short surface-treated fortifying fibre and the suspension-s of polymerizing resin/thermoset such as UP resin, vinyl functional resins, epoxy resin or urethane resin.It is very short that the length of fiber is held, and making them not make liquid viscosity increase to the resin fibre mixture no longer is can spray or pumpable degree.VSFPLC can be used for using the fiberglass that replaces standard at open and closed moulding and arrange (layout), and can in resin injection moulding and rotational molding application, be used as the substitute of thermoplastics.
Yet, needing the improvement that combines the aspect of fiber and matrix usually, can not be mechanically " keyed in the matrix because these very short spun glass are too short.Use coupling agent to apply the raising that fortifying fibre can provide fiber and matrix bond aspect.For example, normally used a kind of coupling agent is DowCorning Z-6030, and it is the difunctional silane that contains methacrylate reactive organic group and 3 methoxy methyl siloyl group.Dow Corning Z-6030 and organic thermosetting resin and inorganic materials such as spun glass react.Though these coupling agents can improve combining of fiber and matrix, the practicality of enhanced polymer composites is restricted, the embrittlement because they are easy in time.Sometimes need have bigger flexible and flexible product.
In PCT patent application PCT/AU01/01484 (international publication WO 02/40577), attempted solving some such shortcomings, wherein before the coated glass fortifying fibre, made the coupling agent pre-polymerization with " plasticizing interface ".The intention of the coupling agent of pre-polymerization is that the rubber-like intermediate phase is provided between fiber and matrix resin, thereby produces the product of shock resistance and intensity with raising.Yet under the situation of above-mentioned PCT, long-term embrittlement remains problem.In very short fibre polymerisable liquid composites, between fiber and resin, there is not the clearance.In VSFPLC, fabric reinforcement is attached on the resin matrix with chemical mode, and very close to each other between resin and fiber.The crackle direct extension that in resin matrix, causes is to fiber surface.The point of the concentration of energy of the crackle that all spread on spun glass, and energy is enough to make fiber to split.Can on the surface of fracture of the matrix material of the fiber that comprises silane treatment, see a large amount of this evidences.For having especially like this greater than the layered product of the flexural strength of 100MPa.
An object of the present invention is to overcome or improve in the shortcoming of above-mentioned prior art at least one a kind of useful substitute perhaps is provided.
Summary of the invention
According to first aspect, the present invention provides a kind of method that is used to prepare reinforced composite, and said method comprises: with at least a curable resin and the combination of Duo Gen fortifying fibre; And at least a curable resin is solidified, the cured resin of contiguous fortifying fibre limits intermediate phase, wherein handles fortifying fibre and makes the performance of intermediate phase be substantially equal to the performance of main body cured resin.
In a preferred embodiment, fortifying fibre is to have the spun glass that is coupled to top coupling agent.Spun glass can be selected from E-, S-or C-level glass.Glass fibre length is usually between about 100 and 1000 microns, and fiber preferably is dispersed in the whole resin.Coupling agent comprises multiple molecule, and every kind of molecule has that to be adapted to be incorporated into first on the spun glass terminal and when solidifying, be adapted to be incorporated into second end on the resin.Preferably, coupling agent is Dow Corning Z-6030.Yet, can use other coupling agent, like Dow Corning Z-6032 and Z-6075.Similarly coupling agent can be available from De Gussa and Crompton Specialties.
The performance of intermediate phase that is substantially equal to the performance of matrix resin can be to be selected from intensity, toughness and brittle mechanical property.As selection perhaps in addition, said performance can be physics or the chemical property that is selected from density, cross-linking density, molecular weight, chemical resistant properties and percent crystallinity.
One or more curable resins preferably include polymkeric substance, and are selected to have predetermined performance, comprise in tear strength, intensity, toughness and the resistance to embrittlement of raising one or more.Preferably, select resin to make under its solid state, the standard flex that is about the sample that 100mm is long, 15mm is wide and 5mm is thick according to size is tested, and it has the flexural toughness greater than 3 joules.Ideally, the preparation after as long as five years in, the cured resin with this polymkeric substance has the flexural toughness greater than 3 joules.
In preferred embodiments, cured resin has resistibility to fracture propagation.Preferred cured resin can capacity supply fine-fibered and is had the minute crack district of enough intrinsic tensile strengths before with the stable crackle that spreads, thus restriction or prevent spreading of crackle.Ideally, before it possibly reach the surface of spun glass, the curable resin of polymer modification stoped crackle, if perhaps the minute crack in the crackle front arrives glass, then its energy shortage of having so that fiberglass surfacing break.The resin of these malleableizes is ideally suited the extremely short fiber reinforced composite materials.In addition, these resins provide the embrittlement along with aging appearance of reduction.Attention: since between the surface of spun glass and fiber glass body big different rate of cooling, the real surface of spun glass is far away from the intensity of fiber itself.This surface is easy to rupture.For this point is described, only need check the method that is used for preparation " (the glue chipped) of gummed fragment " ambetti panel.
The processing that is used for fiber preferably reduces the catalytic processing at the resin polymerization of intermediate phase.In one embodiment, the processing that is used for fortifying fibre is the coating of polymeric coating.Preferably, the polymkeric substance of polymeric coating is monomer not enough (monomer that is less than about 33%w/w), only has a low activity unsaturated polyester resin of medium relatively unsaturated amount.Aptly, unsaturated polyester resin being mixed with is hydrophilic basically.
In another embodiment, the processing that is used for fortifying fibre is the coating of hydrophilic surface coating.Make coupling agent (coated glass fiber) and hydrophilizing agent reaction that the hydrophilic surface coating is provided.One preferred aspect in, react in the presence of catalyzer such as tributyl tin through making Dow Corning Z-6030 and trihydroxy-compound such as TriMethylolPropane(TMP) or tetrahydroxy compound such as tetramethylolmethane, hydrophilizing agent is provided.Use the abundant coated glass fortifying fibre of water-wetted surface coating, make that the fiber of modification is hydrophilic basically.
In aspect another of hydrophilic surface coating embodiment, the spun glass that uses the further processing of emulsion to handle.Processing can just mix, yet, preferably compound.Emulsion preferably comprises 16.6 parts of water, 100 parts of acetone and 200 parts of polymkeric substance.Randomly, emulsion comprises free radical inhibitors, and it generally includes quinhydrones (HQ) or hindered amine.Polymkeric substance can be a vinyl ester resin, yet, the polymkeric substance of preferably mentioning in the above.Particularly, this polymkeric substance is the low activity unsaturated polyester resin that only has medium relatively unsaturated amount of monomer not enough (monomer that is less than about 33%w/w).Aptly, unsaturated polyester resin being mixed with is hydrophilic basically.
In another embodiment, the processing that fortifying fibre is used is to apply free radical inhibitors, like the coating of quinhydrones Acetyl Acetone, hindered phenol or hindered amine.In another embodiment, the processing that fortifying fibre is used is the total surface area that reduces fortifying fibre.
As stated, very the polymerizable liquid matrix material of staple fibre need use coupling agent to improve combining of fiber and matrix usually, can not imbed in the matrix by machinery because fiber is too short.The applicant has been found that the use of these coupling agents trends towards causing reinforced composite embrittlement along with the time.Other people have attempted through using at least a resin is that the resin blend of " rubber-like " alleviates this embrittlement.For example disclosed in WO 02/40577, other selection is so that " rubber-like " phase to be provided around fiber with coupling agent modified.The present invention adopts diverse method.
Although be reluctant to arrest, it is believed that the prior art coupling agent that is coated on the spun glass plays the resin polymerization in the catalysis intermediate phase zone of glass fibre coating direct neighbor (promptly with), thereby form the intermediate phase that becomes fragile in time in theory.Method of the present invention is with chemical mode " passivation " coupling agent coating, maybe be thereby attempt alleviating coupling agent to any influence of fiber-resin intermediate phase, and allow intermediate phase to have the performance that equates basically with the performance of main body cured resin.Yet should be appreciated that like the technician that the degree of passivation should be enough to alleviate coupling agent maybe be to any influence of fiber-resin intermediate phase, still realizes fully combining of fiber and matrix resin simultaneously.
The applicant has been found that; The present invention who opposes fully with prior art provides a kind of reinforced composite a bit amazingly; Said reinforced composite shows the embrittlement that reduces relatively than prior art glass reinforced composite; Keep such as intensity the performance of toughness and heat-drawn wire simultaneously.Particularly, use the long-term embrittlement problem of the prior art matrix material of link coupled fiber significantly to be reduced.
According to second aspect; The present invention provides a kind of reinforced composite; Said reinforced composite comprises: at least a cured resin with many fortifying fibres; The cured resin of contiguous fortifying fibre limits intermediate phase, and said intermediate phase has the performance that equates basically with the performance of main body cured resin.
According to the third aspect; The present invention provides a kind of method that is used for handling the fortifying fibre that uses at the matrix material that comprises curable resin; Said method comprises the following steps: in polymeric coating, hydrophilic surface coating or the free radical inhibitors coating one or more are coated on the fortifying fibre; Make that in use, the cured resin of contiguous fortifying fibre limits intermediate phase, said intermediate phase has the performance that equates basically with the performance of main body cured resin.
According to fourth aspect; The present invention provides a kind of fortifying fibre that is used to comprise the matrix material of curable resin; Be coated with in polymeric coating, hydrophilic surface coating or the free radical inhibitors coating one or more on the said fortifying fibre; Make that in use, the cured resin of contiguous fortifying fibre limits intermediate phase, said intermediate phase has the performance that equates basically with the performance of main body cured resin.
According to the 5th aspect; The present invention provides a kind of method that is used for reducing the degradation property of matrix material; Said matrix material has curable resin and Duo Gen is scattered in fortifying fibre wherein; The cured resin of contiguous fortifying fibre limits intermediate phase, and said method comprises the following steps: to reduce the total surface area of fortifying fibre, thereby the reduction of the amount of corresponding intermediate phase is provided.
According to the 6th aspect, the present invention provides a kind of moulded composite body according to a first aspect of the invention.
According to the 7th aspect, the present invention provides a kind of fortifying fibre of processing according to a third aspect of the invention we.
According to eight aspect, the present invention provides a kind of method that is used for molded composites, and said method comprises the following steps: to provide at least a curable resin and Duo Gen the mixture according to the fortifying fibre of fourth aspect; Said mixture is applied in the mould; And said at least a curable resin is solidified.
According to the 9th aspect, it is a kind of through the matrix material according to the moulding of the method for eight aspect preparation that the present invention provides.
According to the tenth aspect; The present invention provides a kind of liquid curing property matrix material; It comprises at least a curable resin and Duo Gen fortifying fibre; Make that in use, the cured resin of contiguous said fortifying fibre limits intermediate phase, wherein said fortifying fibre is processed the performance that makes the performance of said intermediate phase be substantially equal to the main body cured resin.
According to the tenth on the one hand; The present invention provides a kind of liquid curing property matrix material; It comprises at least a curable resin and Duo Gen fortifying fibre, is coated with in polymeric coating, hydrophilic surface coating or the free radical inhibitors coating one or more on the said fortifying fibre, makes when solidifying; The cured resin of contiguous said fortifying fibre limits intermediate phase, and said intermediate phase has the performance that equates basically with the performance of main body cured resin.
Only if context is requirement clearly in addition, otherwise in whole specification sheets and claims, speech ' comprise ', ' comprise ' etc. should be interpreted into and the exclusive or exhaustive adversative meaning that comprises; That is, the meaning is " including but not limited to ".
When pointing out in an embodiment or in addition, all numerical value that are illustrated in the amount of this used composition or reaction conditions are to be understood as in all cases all by term " pact " and modify.Embodiment is not intended to restriction scope of the present invention.Below, when perhaps pointing out in addition, " % " refers to " weight % ", and " ratio " refers to " weight ratio ", and " part " refers to " weight part ".
Describing and requiring among protection the present invention, following term will be according to the definition use of stated down.It should also be understood that in this used term purpose only to be to describe specific embodiments of the present invention, is restrictive and be not intended to.
In whole specification sheets, term adopts " fiber " and " plurality of fibers " to comprise small pieces and a plurality of small pieces respectively.Spun glass is for the optimal fiber of the present invention.Yet, under the situation that does not depart from scope of the present invention, can use other mineral fibre, like wollastonite, and ceramic fiber.
In whole specification sheets, adopt term " performance " and " multiple performance " to comprise typical machinery, physics and the chemical property of polymkeric substance and cured resin.For example, mechanical property is to be selected from flexible and/or tensile strength, toughness, elasticity, plasticity, the performance in ductility, fragility and the shock strength.Chemistry and/or physicals are those performances that are selected from density, hardness, cross-linking density, molecular weight, chemical resistant properties and the percent crystallinity.
In whole specification sheets, adopt term " catalysis (the catalyse) " term relevant with radical polymerization " to cause (initiate) " and " causing (initiation) " synonym with " catalysis (catalysation) ".
It should also be understood that in this application term " material " refers to the fibre/of liquid and solid form.Said material itself can be perhaps to provide as the component of separating (fortifying fibre and the resin that for example are used for field mix independently) with cured form, uncured liquid form.
Embodiment
The present invention provides a kind of be used to the prepare method of reinforced composite and the composite bodies for preparing through this method.Said method comprises the following steps: to make fiber be dispersed in basically in the whole resin at least a curable resin and many fortifying fibre combinations, and makes resin solidification.Preferably, said resin is to have about 40% reactive diluent, like the vinyl ester resin of styrene monomer.Yet, can also use other component, as single-with two-and three-functional propenoate and methacrylic ester.As selection, said resin can be selected from unsaturated polyester resin, epoxy vinyl ester resin, vinyl functional resins, tough and tensile vinyl functional urethane resin, tough and tensile vinyl functional acrylic resinoid and flexible vibrin of non-plastifying and their combination.
In preferred embodiments, said fiber is the spun glass that is selected from E-, S-and the C-level glass of length between about 100 and 1000 microns.Yet, can also use length greater than 1000 microns fiber.Preferably, before it is used one or more coupling agent treatment, remove any sizing agent from spun glass.Preferred coupling agent is Dow Corning Z-6030.Yet, can use other coupling agent, like Dow Corning Z-6032 and Z-6075.
Said curable resin can comprise the resin of polymkeric substance with the preparation polymer modification.Said curable resin be selected or by this polymer modification with one or more the pre-determined characteristics in tear strength, intensity, toughness and the resistance to embrittlement with the raising of being selected from.Preferably, for size be about that 110mm is long, 15mm is wide and 5mm is thick, through the sample of standard flex test, after preparation as long as five years in, the cured resin of polymer modification has the flexural toughness greater than 3 joules.
In preferred embodiments, the curable resin of polymer modification is resistive to spreading of crackle.These polymer modification resins provide the embrittlement that occurs along with wearing out of reduction.Preferably, said polymkeric substance is monomer not enough (monomer that is less than about 33%w/w), only has a low activity unsaturated polyester resin of medium relatively unsaturated amount.The instance of these polyester is provided in the following table.Aptly, these polyester are hydrophilic.
In case resin solidification and reinforced composite is provided; Be close to and surround basically the cured resin qualification intermediate phase of each root fiberglass reinforcement, and fortifying fibre, their is processed the performance that makes the performance of intermediate phase be substantially equal to the main body cured resin before adding curable resin.In one embodiment, the processing of fiber being used is a polymer-coated.The preferably above-mentioned low activity unsaturated polyester resin of the polymkeric substance of polymeric coating.
As stated, although be reluctant to arrest in theory, the applicant thinks that the fiber of use prior art coupling agent treatment plays the catalytic resin polymerization, thereby forms the intermediate phase that has with the remarkable different performance of main body cured resin.Intermediate phase with highly cross-linked material will have the performance that is different from matrix resin greatly, thereby influence the machinery and the physicals of final cured reinforced composite body.For example, it is more crisp than matrix resin in itself to have an intermediate phase of highly cross-linked material.In rupture process, the crackle that spreads will be easier to make this fragility intermediate phase fracture, and any crack performance of the resin in intermediate phase will significantly reduce.In addition, should be appreciated that like the technician fiber that in composite bodies, uses is many more, the total amount of the fragility intermediate phase of generation is big more, and composite bodies becomes more crisp.
Through handling the link coupled spun glass to reduce the catalysis of radical polymerization, the applicant can reduce the influence of link coupled spun glass to intermediate phase, makes intermediate phase have and main body cured resin similar performance.In other embodiments, use the surface of the coating processing spun glass of one or more free radical inhibitors such as quinhydrones or Acetyl Acetone, hindered phenol and hindered amine.The coating of one or more free radical inhibitors and the surface association of spun glass, being reduced in the catalysis of the resin polymerization in the intermediate phase, and said intermediate phase has and main body cured resin similar performance.
In another embodiment, said processing is the total surface area that reduces fiber.For example, this can be through replacing spun glass to realize with having larger-diameter spun glass.Be noted that the spun glass that is generally used for glass fibre reinforced composion has the diameter between about 5-12 micron.Yet; The applicant finds the final performance for reinforced composite body; The spun glass that use has the diameter between about 15-24 micron provides significantly few embrittlement, and reason is the spun glass for given weight, and the increase of total surface area and Fibre diameter is inversely proportional to.Certainly, can use diameter even 24 microns bigger fibers of ratio, yet, there is actual manufacturing limit in fibre property.
In this embodiment, though glass surface still can the catalytic resin polymerization to produce the fragility intermediate phase, the total amount of brittle interphase material reduces relatively.In addition, for the final cured polymer matrix material with similar mechanical property is provided, the length of used larger-diameter spun glass preferably is longer than the length that is generally used for than the fiber of small dia.
Should recognize like the technician, can also use the combination of above-mentioned embodiment in due course.For example, should use and have larger-diameter spun glass and use free radical inhibitors coated fiber or use aforesaid polymer-coated fiber.
In further embodiment, processing comprises two-step approach, wherein at first uses the first reagent coated glass fiber, makes second reagent and first reagent react so that the spun glass of hydrophilic surface-treated basically to be provided then.Preferably, first reagent be have be fit to terminal and when solidifying, be fit to the coupling agent with second reagent or resin-bonded with fiber bonded first.In a preferred embodiment, coupling agent is methacryloxypropyl trimethoxy silane (Dow Corning Z-6030).Second reagent is included in the reaction product between first reagent and trihydroxy-compound such as the TriMethylolPropane(TMP).Yet in embodiment optionally, oxy-compound is tetrahydroxy compound such as tetramethylolmethane.The reaction of Z-6030 and TriMethylolPropane(TMP) is in the presence of tin catalyst such as the tributyl tin, under the reaction conditions that is fit to, carry out.
According to before the embodiment method of handling spun glass also comprise the fortifying fibre that is coated mixed with emulsion or the compound step.Said emulsion preferably comprises: 16.6 parts of water, 100 parts of acetone and 200 parts of polymkeric substance, the wherein preferably above-mentioned wetting ability low activity of this polymkeric substance unsaturated polyester resin.Said emulsion can also comprise wetting ability free radical inhibitors such as HQ.
Embodiment
Describe the present invention referring now to the following example, described embodiment should all be considered to illustrative in all fields and be nonrestrictive.
Use hydrophilic surface coating to handle spun glass
1. the E-spun glass is cut to 3400 microns average fiber length, is milled to 700 microns mean length then.
2. use boiling water and imitate washing composition by force and cleaning ground spun glass under powerful condition of stirring.Then washing composition is rinsed from fiber.
3. the methacryloxy Trimethoxy silane (Dow Z-6030) with 1%w/w is suspended in the water of pH4, and fiber is added in the suspension-s.With the mixture that obtains vigorous stirring 60 minutes at room temperature.
4. liquid pours off from spun glass then, makes their still mixed things wetting.
5., pH disperses the Z-6030-fibre treated once more in being 7 water then.
6. individually, in the presence of tin catalyst (for example tributyl tin), make the solution of Z-6030 and TriMethylolPropane(TMP) (TMP) react 15-20 minute down to form the Z-6030-TMP adducts that viscosity is about 1200-1500cP at 110-120 ℃.In reaction process, emit methyl alcohol.
7. make the reaction of Z-6030 fibre treated and Z-6030-TMP adducts then so that the fiber of hydrophilic treatment to be provided.This is to realize through the Z-6030 fibre treated being dispersed in the water and the Z-6030-TMP adducts being added in the entry with the concentration of about 2-3wt% of fiber.With mixture stir about together 10 minutes.With fiber separation, centrifugal then then to remove excessive water.Then will " wetting " fiber from 30 ℃ of dry 3-4 hour beginnings, heating 5-7 minute between 110 and 125 ℃ then.
8. individually, preparation has the polymer emulsion of 200 parts of polymkeric substance, 100 parts of acetone and 16.6 parts of water.Preferably, said polymkeric substance is hydrophilic resin such as unsaturated polyester.
9. then that the fiber and the emulsifying resins of hydrophilic treatment is compound, disperse until quantitative and even with the emulsion of the fiber of about 93w/w% and 7w/w%.
10. then compound fiber-emulsion mixture is added in the base resin than 90-55% resin with about 10-45% fiber-emulsion.
Table 1 provides the flexural strength data of the curing transparent foundry goods (clear casts) of commercially available Derakane epoxy vinyl ester resin 411-350 (AshlandChemicals).These test boards prepare according to manufacturers specifications, and obtain modulus in flexure MV, the surrender flexural stress MV of about 120MPa and the elongation at break MV between about 5 to 6% of about 3.1GPa.
Table 2 has shown with table 1 similar, but the test board of thermal ageing.Through 108 ℃ of thermal treatments 2 hours, subsequently controlled chilling to be lower than 40 ℃ about 2 hours, with the plate thermal ageing.As can see, in experimental error, the modulus in flexure after wearing out roughly is identical with flexural stress.Yet elongation at break roughly reduces by half, and representes the significantly embrittlement along with accelerated deterioration of said plate.
| Matrix material | Modulus in flexure (GPa) | Surrender flexural stress (MPa) | Elongation at break (%) |
| Test board 1 | ?2.98 | 112 | 4.9 |
| Test board 2 | ?3.12 | 119 | 5.7 |
| Test board 3 | ?3.11 | 123 | 5.6 |
| Test board 4 | ?3.28 | 132 | 6.0 |
The flexural strength data of the transparent foundry goods of curing (unaged) of table 1:Derakane 411-350 epoxy vinyl ester resin
| Matrix material | Modulus in flexure (GPa) | Surrender flexural stress (MPa) | Elongation at break (%) |
| Test board 5 | ?3.30 | 117 | 3.0 |
| Test board 6 | ?3.40 | 121 | 3.1 |
| Test board 7 | ?3.10 | 131 | 4.1 |
| Test board 8 | ?3.20 | 123 | 3.6 |
| Test board 9 | ?3.20 | 127 | 4.2 |
The flexural strength data of the transparent foundry goods of aged of table 2:Derakane 411-350 epoxy vinyl ester resin
Table 3 provides the flexural strength data of the aged curing transparent foundry goods of the Derakane epoxy vinyl ester resin that is added with various polymkeric substance (following argumentation).As can see, obtain the about 3.3GPa of modulus in flexure MV, surrender about 135MPa of flexural stress MV and the elongation at break MV between about 5 to 7%.Between table 2 and 3, compare elongation rate data, can find out that the interpolation of various polymkeric substance has significantly reduced aging embrittlement.
| Matrix material | Modulus in flexure (GPa) | Surrender flexural stress (MPa) | Elongation at break (%) |
| Test board 10+ polymkeric substance 1 | ?3.20 | 132 | 6.7 |
| Test board 11+ polymkeric substance 2 | ?3.20 | 131 | 4.9 |
| Test board 12+ polymkeric substance 3 | ?3.30 | 136 | 5.7 |
| Test board 13+ polymkeric substance 4 | ?3.50 | 140 | 6.0 |
| Test board 14+ polymkeric substance 5 | ?3.60 | 146 | 6.6 |
Table 3: the flexural strength data of the transparent foundry goods of aged with Derakane 411-350 epoxy vinyl ester resin of 12-15 weight % polymeric additive.
The polymkeric substance that in table, provides is the condensation product of polyvalent alcohol and diprotic acid.Each polymkeric substance that comprises polyvalent alcohol and diprotic acid is provided in table 4.Usually the divalent alcohol through will being similar to equimolar amount and acid heat about 4 to about 12 hours surpassing about 200 ℃ temperature, prepare these polyester.Most of unsaturated be that form with the dimethyl ester base exists.These polyester have at about 15 acid numbers to about 25 the scope.(this acid number be in the milligram number of the required Pottasium Hydroxide of 1g sample).
3 liters of round-bottomed flasks are equipped with paddle stirrer, TM, inert gas entrance and outlet and electrically heated cover.Esterification divided for 2 stages carried out.Fs is that saturated acid is reacted in excess glycol, and subordinate phase is under the situation of the addition of unsaturated acid and residual divalent alcohol, to carry out.Between the said stage, reaction vessel is weighed, and add divalent alcohol when needed to supply any loss.With between mixture heating up to 150 and 170 ℃, discharging water, and the condenser inlet temperature is higher than 95 ℃.
In ensuing 2-3 hour, the temperature of mixture is increased to 240 ℃.Then mixture is cooled to 105 ℃, and with suppress the vinylbenzene blend.Final vibrin comprises the unsaturated polyester of 80 weight % and 20% vinylbenzene.
| Polymkeric substance | Polyvalent alcohol | Diprotic acid | The ratio of saturated acid and unsaturated acid |
| Polymkeric substance 1 | 4 moles of Ucar 35,1.5 moles of MP-glycol | 2 moles of terephthalic acids, 1 mole of m-phthalic acid, 2 moles of fumaric acid | 3∶2 |
| Polymkeric substance 2 | 5.5 moles of glycol ethers | 3 moles of terephthalic acids, 2 moles of fumaric acid | 3∶2。And,, subordinate phase keeps the excessive glycol of 0.5M when beginning |
| Polymkeric substance 3 | 6 moles of glycol ethers, 1.5 moles of MP-glycol | 1,4-cyclohexane diacid, fumaric acid | 4: 3 |
| Polymkeric substance 4 and 7 | Nuplex 316/ Terephth 50/50 blend | ||
| Polymkeric substance 5 | 6.25 moles of NSC 6366s, 2 moles of Ucar 35 | 1,4.5 moles of 4-cyclohexane diacids, 3 moles of fumaric acid | 3: 2 |
| Polymkeric substance 6 | Glycol ether | 1,3 moles of 4-cyclohexane diacids, 2 moles of fumaric acid | 3: 2 |
| Polymkeric substance 8 | 6.25 moles of NSC 6366s, 1 mole of Ucar 35 | 1,4 moles of 4-cyclohexane diacids, 3 moles of fumaric acid | 4: 3 |
Table 4: be used for polyester in table 3 and 5 Derakane base resin modification.
Table 5 provides the flexural strength data of Derakane epoxy vinyl ester resin of the ratio (in bracket) of the resin/glass fiber with regulation, and wherein spun glass is only to use the Z-6030 coupling agent treatment.
| Matrix material | Modulus in flexure (GPa) | Surrender flexural stress (MPa) | Elongation at break (%) |
| Test board 15 (2.3: 1) | ?6.20 | 124 | 0.87 |
| Test board 16 (2: 1) | ?6.70 | 129 | 0.70 |
| Test board 17 (1.9: 1) | ?7.50 | 135 | 0.63 |
| Test board 18 (1.7: 1) | ?8.10 | 142 | 0.60 |
| Test board 19 (1.6: 1) | ?9.00 | 149 | 0.58 |
Table 5: the flexural strength data of the spun glass that the aged Z-6030 in Derakane 411-350 epoxy vinyl ester resin handles.
Table 6 has shown the flexural strength data according to the aged test board of Derakane epoxy vinyl ester resin of the present invention, and said resin has the aforesaid polymeric additive of about 12-15 weight % and the spun glass that 45-50 weight is handled.
| Matrix material | Modulus in flexure (GPa) | Surrender flexural stress (MPa) | Elongation at break (%) |
| Test board 20+ polymkeric substance 5 | ?6.10 | 136 | 2.6 |
| Test board 21+ polymkeric substance 6 | ?6.20 | 133 | 2.2 |
| Test board 22+ polymkeric substance 6 | ?5.90 | 129 | 2.9 |
| Test board 23+ polymkeric substance 7 | ?6.00 | 134 | 3.1 |
| Test board 24+ polymkeric substance 8 | ?6.20 | 135 | 3.4 |
Table 6: according to the flexural strength data with Derakane 411-350 epoxy vinyl ester resin of the polymeric additive of 12-15 weight % and the spun glass that 47 weight are handled of the present invention, wherein said processing comprises hydrophilic surface coating and emulsifying polymers.
In the comparison of the deflection data that in table 5 and table 6, provide, can find out that test board 20-24 according to the present invention has the elongation at break of the burn-in board that significantly improves, thereby the reduction of aging embrittlement is provided.
Table 7 provides the flexural strength data of ageing test plate of Derakane epoxy vinyl ester resin of the ratio (in bracket) of the resin/glass fiber with regulation, and wherein spun glass is with the insufficient plastic resin treatment of monomer.Test board 25 is not coated, and plate 26 to 28 is coated.Plate with coated glass fibers has the toughness that significantly improves.
| Matrix material | Modulus in flexure (GPa) | Surrender flexural stress (MPa) | Elongation at break (%) |
| Test board 25 (2.3: 1) | ?6.20 | 124 | 0.87 |
| Test board 26 (5: 1) | ?3.80 | 120 | 4.0 |
| Test board 27 (5: 1) | ?3.50 | 115 | 4.0 |
| Test board 28 (5: 1) | ?3.60 | 118 | 4.0 |
Table 7: have the flexural strength data of ageing test plate of Derakane 411-350 epoxy vinyl ester resin of the glass of polymer treatment, wherein said polymkeric substance is the insufficient resin of monomer.
Industrial usability
The present invention can be used for multiple industry, comprising: building, automobile, aerospace, sea-freight and corrosion resistant products.Compare with the glass fibre reinforcement of routine, reinforced composite of the present invention provides the long-term mechanical properties of raising.
Although specifically described the present invention with reference to specific embodiment, those skilled in the art are to be understood that the present invention can implement with many other forms.
Claims (58)
1. method that is used to prepare reinforced composite, said method comprises: use coupling agent to apply many fortifying fibres, with at least a curable resin and the said fortifying fibre combination that is coated; And said at least a curable resin is solidified; The cured resin of contiguous said fortifying fibre limits intermediate phase; Wherein handling the said fortifying fibre that is coated makes the performance of said intermediate phase equal the performance of main body cured resin; Wherein said processing is polymeric coating and/or the hydrophilic surface coating that is coated on the said fortifying fibre that is coated; The polymkeric substance of wherein said polymeric coating is the insufficient low activity unsaturated polyester resin of monomer; Wherein said monomer deficiency is meant the said monomer content of said polymkeric substance between 5 to 30%w/w, and the insufficient low activity unsaturated polyester resin of wherein said monomer provides through making polyvalent alcohol and acid-respons, and said polyvalent alcohol is selected from Ucar 35, methyl propanediol, NSC 6366 and glycol ether; And wherein said acid is selected from terephthalic acid, m-phthalic acid, fumaric acid and 1; 4-cyclohexane diacid, said unsaturated polyester resin are included in saturated acid and the unsaturated acid ratio between 1.2: 1 to 2: 1, and said hydrophilic surface coating prepares through making vinyl functional silane and polyol reaction.
2. method that is used for handling the fortifying fibre that uses at the matrix material that comprises curable resin; Said method comprises the following steps: to use coupling agent to apply fortifying fibre; And the said fortifying fibre that is coated is comprised the polymeric coating of the insufficient low activity unsaturated polyester resin of monomer and/or through making the processing of the hydrophilic surface coating that vinyl functional silane and polyol reaction prepare; Make in use; The cured resin of contiguous said fortifying fibre limits intermediate phase; Said intermediate phase has the performance that equates with the performance of main body cured resin, and wherein said monomer deficiency is meant the said monomer content of said polymkeric substance between 5 to 30%w/w, and the insufficient low activity unsaturated polyester resin of wherein said monomer provides through making polyvalent alcohol and acid-respons; Said polyvalent alcohol is selected from Ucar 35, methyl propanediol, NSC 6366 and glycol ether; And wherein said acid is selected from terephthalic acid, m-phthalic acid, fumaric acid and 1, and 4-cyclohexane diacid, said unsaturated polyester resin are included in saturated acid and the unsaturated acid ratio between 1.2: 1 to 2: 1.
3. according to the method for claim 1 or claim 2, said fiber is unsized.
4. according to the method for claim 1 or claim 2, wherein said coupling agent is the silane of vinyl functional.
5. according to the method for claim 4, the silane of wherein said vinyl functional is selected from DowCorning Z-6030 (methacryloxypropyl trimethoxy silane).
6. according to the method for claim 1 or claim 2, wherein said polyvalent alcohol is a TriMethylolPropane(TMP).
7. according to the method for claim 1 or claim 2, wherein said fortifying fibre is a spun glass.
8. according to the method for claim 7, the length of wherein said spun glass is between 100 and 1000 microns.
9. according to the method for claim 1 or claim 2, wherein said performance comprises the mechanical property that is selected from intensity, toughness and fragility or their combination.
10. according to the method for claim 1 or claim 2, wherein said performance comprises physics or the chemical property that is selected from density, cross-linking density, chemical resistant properties, molecular weight and percent crystallinity or their combination.
11. according to the method for claim 1 or claim 2, wherein said water-wetted surface applies and also comprises the processing of using emulsion.
12. according to the method for claim 11, wherein said emulsion comprises 16.6 weight parts waters, 100 weight part acetone and 200 weight part unsaturated polyester resins.
13. according to the method for claim 11, wherein said emulsion comprises at least a free radical inhibitors.
14. according to the method for claim 13, wherein said free radical inhibitors is quinhydrones, hindered amine, Acetyl Acetone, hindered phenol or their combination.
15. according to the method for claim 1 or claim 2, said method comprises unsaturated polyester resin and the combination of the said at least a curable resin step with the resin of preparation polymer modification.
16., wherein said polymkeric substance and said at least a curable resin are made up between 5 to 50%w/w according to the method for claim 15.
17. method according to claim 15; Wherein said curable resin by said polymer modification to have one or more the pre-determined characteristics that is selected from tear strength, intensity, toughness and the resistance to embrittlement; Wherein when comparing with unmodified curable resin, said performance is improved relatively.
18. according to the method for claim 15, wherein when in standard flex test, testing, said cured resin has the flexural toughness greater than 3 joules, sample has the size of thickness of width and 5mm of length, the 15mm of 100mm.
19. according to the method for claim 18, wherein in as long as five years, said cured composite material has the flexural toughness greater than 3 joules.
20. according to the method for claim 15, the said polymkeric substance of wherein said polymeric coating or the said polymkeric substance that is used for said curable resin modification are the insufficient low activity unsaturated polyester resins of described monomer.
21. according to the method for claim 15, wherein select identical unsaturated polyester resin with:
A. with the resin of said at least a curable resin modification with the preparation polymer modification; And/or
B. apply said fortifying fibre; And/or
C. be used to prepare said emulsion.
22. the method according to 19, the modulus in flexure of wherein said cured composite material is greater than 3.5GPa.
23. the method according to 19, the flexural stress of wherein said cured composite material is greater than 120MPa.
24. the method according to 19, the elongation at break of wherein said cured composite material is greater than 2%.
25. according to the method for claim 1 or claim 2, wherein when when not comparing according to fibre treated of the present invention, said processing is reduced in the catalysis of the resin polymerization in the intermediate phase.
26. according to the method for claim 1 or claim 2, wherein when when not comparing according to fibre treated of the present invention, said processing reduces the embrittlement of said intermediate phase.
27., wherein said fiber fully is coupled on the said resin to strengthen said resin according to the method for claim 1 or claim 2.
28. reinforced composite; Said reinforced composite comprises: at least a have many cured resins that are coated with the fortifying fibre of coupling agent; The cured resin of contiguous said fortifying fibre limits intermediate phase; Wherein handling the fortifying fibre that is coated makes the performance of said intermediate phase equal the performance of main body cured resin; Wherein said processing is polymeric coating and/or the hydrophilic surface coating that is coated on the said fortifying fibre that is coated, and the polymkeric substance of wherein said polymeric coating is the insufficient low activity unsaturated polyester resin of monomer, and wherein said monomer deficiency is meant that the said monomer content of said polymkeric substance is between 5 to 30%w/w; The insufficient low activity unsaturated polyester resin of wherein said monomer provides through making polyvalent alcohol and acid-respons; Said polyvalent alcohol is selected from Ucar 35, methyl propanediol, NSC 6366 and glycol ether, and wherein said acid is selected from terephthalic acid, m-phthalic acid, fumaric acid and 1,4-cyclohexane diacid; Said unsaturated polyester resin is included in saturated acid and the unsaturated acid ratio between 1.2: 1 to 2: 1, and said hydrophilic surface coating prepares through making vinyl functional silane and polyol reaction.
29. fortifying fibre that is used to comprise the matrix material of curable resin; Said fortifying fibre is coated with coupling agent; And with being coated to the top polymeric coating that comprises the insufficient low activity unsaturated polyester resin of monomer and/or handling through the hydrophilic surface coating that vinyl functional silane and polyol reaction are prepared; Make that in use, the cured resin of contiguous said fortifying fibre limits intermediate phase, said intermediate phase has the performance that equates with the performance of main body cured resin; Wherein said monomer deficiency is meant that the said monomer content of said polymkeric substance is between 5 to 30%w/w; The insufficient low activity unsaturated polyester resin of wherein said monomer provides through making polyvalent alcohol and acid-respons, and said polyvalent alcohol is selected from Ucar 35, methyl propanediol, NSC 6366 and glycol ether, and wherein said acid is selected from terephthalic acid, m-phthalic acid, fumaric acid and 1; 4-cyclohexane diacid, said unsaturated polyester resin are included in saturated acid and the unsaturated acid ratio between 1.2: 1 to 2: 1.
30. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein said fortifying fibre is unsized.
31. according to the reinforced composite of claim 28 or claim 30 or according to the fortifying fibre of claim 29, wherein said coupling agent is the silane of vinyl functional.
32. according to the reinforced composite of claim 31 or according to the fortifying fibre of claim 31, wherein said vinyl functional silane is selected from Dow Corning Z-6030 (methacryloxypropyl trimethoxy silane).
33. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein said polyvalent alcohol is a TriMethylolPropane(TMP).
34. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein said fortifying fibre is a spun glass.
35. according to the reinforced composite of claim 34 or according to the fortifying fibre of claim 34, the length of wherein said spun glass is between 100 and 1000 microns.
36. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein said performance comprises the mechanical property that is selected from intensity, toughness, fragility or their combination.
37. according to claim 28 reinforced composite or according to the fortifying fibre of claim 29, wherein said performance comprises physics or the chemical property that is selected from density, cross-linking density, chemical resistant properties, molecular weight and percent crystallinity or their combination.
38. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein said water-wetted surface applies and also comprises the processing of using emulsion.
39. according to the reinforced composite of claim 38 or according to the fortifying fibre of claim 38, wherein said emulsion comprises 16.6 weight parts waters, 100 weight part acetone and 200 weight part unsaturated polyester resins.
40. according to the reinforced composite of claim 38 or according to the fortifying fibre of claim 38, wherein said emulsion comprises at least a free radical inhibitors.
41. according to the reinforced composite of claim 40 or according to the fortifying fibre of claim 40, wherein said free radical inhibitors is quinhydrones, hindered amine, Acetyl Acetone, hindered phenol or their combination.
42. according to the reinforced composite of claim 38 or according to the fortifying fibre of claim 38, it comprises the polymkeric substance of polymeric coating and the said at least a curable resin combination step with the resin of preparation polymer modification.
43., wherein said polymkeric substance and said at least a curable resin are made up between 5 to 50%w/w according to the reinforced composite of claim 42 or according to the fortifying fibre of claim 42.
44. according to the reinforced composite of claim 42 or according to the fortifying fibre of claim 42; Wherein said curable resin by said polymer modification to have one or more the pre-determined characteristics that is selected from tear strength, intensity, toughness and the resistance to embrittlement; Wherein when comparing with unmodified curable resin, said performance is improved relatively.
45. according to the reinforced composite of claim 42 or according to the fortifying fibre of claim 42; Wherein when in the standard flex test, testing; Said cured resin has the flexural toughness greater than 3 joules, and sample has the size of thickness of width and 5mm of length, the 15mm of 100mm.
46. according to the reinforced composite of claim 45 or according to the fortifying fibre of claim 45, wherein in as long as five years, said cured composite material has the flexural toughness greater than 3 joules.
47. according to the reinforced composite of claim 42 or according to the fortifying fibre of claim 42, wherein said polymkeric substance is the insufficient low activity unsaturated polyester resin of described monomer.
48. according to the reinforced composite of claim 42 or according to the fortifying fibre of claim 42, wherein select identical unsaturated polyester resin with:
A. with the resin of said at least a curable resin modification with the preparation polymer modification; And/or
B. apply said fortifying fibre; And/or
C. be used to prepare said emulsion.
49. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, the modulus in flexure of wherein said cured composite material is greater than 3.5GPa.
50. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, the modulus in flexure of wherein said cured composite material is greater than 3.5GPa, and the flexural stress of wherein said cured composite material is greater than 120MPa.
51. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, the elongation at break of wherein said cured composite material is greater than 2%.
52. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein when with not when fibre treated is compared according to the present invention, said processing is reduced in the catalysis of the resin polymerization in the intermediate phase.
53. according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29, wherein when with not when fibre treated is compared according to the present invention, said processing reduces the embrittlement of said intermediate phase.
54., wherein said fiber fully is coupled on the said resin to strengthen said resin according to the reinforced composite of claim 28 or according to the fortifying fibre of claim 29.
55. a method that is used for molded composites, said method comprise the following steps: to provide the mixture of at least a curable resin and Duo Gen fortifying fibre, said fortifying fibre is according to each described method preparation among the claim 2-27; Said mixture is applied in the mould; And said at least a curable resin is solidified.
56. matrix material that passes through according to the moulding of the described method preparation of claim 55.
57. liquid curing property matrix material; It comprises the fortifying fibre that at least a curable resin and Duo Gen are coated with coupling agent; Make in use; The cured resin of contiguous said fortifying fibre limits intermediate phase, and the wherein said fortifying fibre that is coated is processed the performance that makes the performance of said intermediate phase equal the main body cured resin, and wherein said processing is polymeric coating and/or the hydrophilic surface coating that is coated on the said fortifying fibre that is coated; The polymkeric substance of wherein said polymeric coating is the insufficient low activity unsaturated polyester resin of monomer; Wherein said monomer deficiency is meant the said monomer content of said polymkeric substance between 5 to 30%w/w, and the insufficient low activity unsaturated polyester resin of wherein said monomer provides through making polyvalent alcohol and acid-respons, and said polyvalent alcohol is selected from Ucar 35, methyl propanediol, NSC 6366 and glycol ether; And wherein said acid is selected from terephthalic acid, m-phthalic acid, fumaric acid and 1; 4-cyclohexane diacid, said unsaturated polyester resin are included in saturated acid and the unsaturated acid ratio between 1.2: 1 to 2: 1, and said hydrophilic surface coating prepares through making vinyl functional silane and polyol reaction.
58. liquid curing property matrix material; It comprises the fortifying fibre that at least a curable resin and Duo Gen are coated with coupling agent; The said fortifying fibre that is coated has and is coated to top polymeric coating that comprises the insufficient low activity unsaturated polyester resin of monomer and/or the hydrophilic surface coating through vinyl functional silane and polyol reaction are prepared; Make when solidifying; The cured resin of contiguous said fortifying fibre limits intermediate phase; Said intermediate phase has the performance that equates with the performance of main body cured resin, and wherein said monomer deficiency is meant the said monomer content of said polymkeric substance between 5 to 30%w/w, and the insufficient low activity unsaturated polyester resin of wherein said monomer provides through making polyvalent alcohol and acid-respons; Said polyvalent alcohol is selected from Ucar 35, methyl propanediol, NSC 6366 and glycol ether; And wherein said acid is selected from terephthalic acid, m-phthalic acid, fumaric acid and 1, and 4-cyclohexane diacid, said unsaturated polyester resin are included in saturated acid and the unsaturated acid ratio between 1.2: 1 to 2: 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145866.2A CN102731803B (en) | 2005-10-17 | 2006-10-17 | Reinforced composite |
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2005905733A AU2005905733A0 (en) | 2005-10-17 | A Method for Manufacturing Very Short Fibre Polymerisable Liquid Composites | |
| AU2005905733 | 2005-10-17 | ||
| AU2005906723 | 2005-12-01 | ||
| AU2005906723A AU2005906723A0 (en) | 2005-12-01 | A Method for Manufacturing Very Short Fibre Polymerisable Liquid Composites | |
| AU2006900511A AU2006900511A0 (en) | 2006-02-03 | A Method for Manufacturing Very Short Fibre Polymerisable Liquid Composites | |
| AU2006900511 | 2006-02-03 | ||
| AU2006902791A AU2006902791A0 (en) | 2006-05-24 | A New Method for Manufacturing Very Short Fibre Polymerisable Liquid Composites | |
| AU2006902791 | 2006-05-24 | ||
| PCT/AU2006/001536 WO2007045025A1 (en) | 2005-10-17 | 2006-10-17 | Reinforced composite material |
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| CN201210145866.2A Division CN102731803B (en) | 2005-10-17 | 2006-10-17 | Reinforced composite |
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| JP5220934B1 (en) * | 2012-04-10 | 2013-06-26 | マグ・イゾベール株式会社 | Composite-forming material, surface-treated short glass fiber, and method for producing composite-forming material |
| CN104072961B (en) * | 2014-06-18 | 2016-01-20 | 安徽宁国市高新管业有限公司 | A kind of heat-and corrosion-resistant glass fiber reinforced plastics composite material |
| WO2018046984A1 (en) * | 2016-09-09 | 2018-03-15 | Prysmian S.P.A. | Optical fibre coated with a polyester coating |
| CN115216966A (en) * | 2022-08-09 | 2022-10-21 | 吴怀中 | Fiber bundle, preparation method and application thereof, and fiber-reinforced composite material |
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|---|---|---|---|---|
| US4038243A (en) * | 1975-08-20 | 1977-07-26 | Ppg Industries, Inc. | Glass fiber sizing compositions for the reinforcement of resin matrices |
| WO2001068752A1 (en) * | 2000-03-16 | 2001-09-20 | Ppg Industries Ohio, Inc. | Impregnated glass fiber strands and products including the same |
| CN1481410A (en) * | 2000-11-17 | 2004-03-10 | �˵á��������¡�����ɭ | Coupling of reinforcing fibres to resing in curable composites |
| CN1490150A (en) * | 2002-09-17 | 2004-04-21 | ������������ʽ���� | Composite material pressure container or tubular body and composite material intermediate |
-
2006
- 2006-10-17 CN CN2006800475540A patent/CN101331176B/en not_active Expired - Fee Related
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2008
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038243A (en) * | 1975-08-20 | 1977-07-26 | Ppg Industries, Inc. | Glass fiber sizing compositions for the reinforcement of resin matrices |
| WO2001068752A1 (en) * | 2000-03-16 | 2001-09-20 | Ppg Industries Ohio, Inc. | Impregnated glass fiber strands and products including the same |
| CN1481410A (en) * | 2000-11-17 | 2004-03-10 | �˵á��������¡�����ɭ | Coupling of reinforcing fibres to resing in curable composites |
| CN1490150A (en) * | 2002-09-17 | 2004-04-21 | ������������ʽ���� | Composite material pressure container or tubular body and composite material intermediate |
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