CN108841021A - A kind of light sound-proof engine hood panel and preparation method thereof - Google Patents
A kind of light sound-proof engine hood panel and preparation method thereof Download PDFInfo
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- CN108841021A CN108841021A CN201810335169.0A CN201810335169A CN108841021A CN 108841021 A CN108841021 A CN 108841021A CN 201810335169 A CN201810335169 A CN 201810335169A CN 108841021 A CN108841021 A CN 108841021A
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/12—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with monohydric phenols having only one hydrocarbon substituent ortho on para to the OH group, e.g. p-tert.-butyl phenol
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- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/52—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated carboxylic acids or unsaturated esters
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
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- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
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- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C08J2431/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
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- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
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Abstract
The present invention relates to field of automobile, specifically relate to a kind of light sound-proof engine hood panel and preparation method thereof, the light sound-proof engine hood panel is by engine skeleton and includes the coating outside skeleton, and the engine skeleton includes the component A packed independently of each other, component B, component C and component D；On the basis of 100 parts by weight of phenol raw material, wherein：The component A includes：10~30 parts by weight of first polymer lotion, 0.6~10 parts by weight of foaming agent；The component B includes：5~30 parts by weight of second polymer lotion, 1~6 parts by weight of soluble metallic salt, 10~30 parts by weight of chain extender；The component C includes：100 parts by weight of phenol raw material, 40~120 parts by weight of aldehyde raw material；The component D includes：200~400 parts by weight of organic solvent, 10~30 parts by weight of catalyst.Matter sound insulation engine hood panel of the invention has the advantages that light weight, intensity are high, soundproof effect is good, has huge application prospect in automobile manufacture.
Description
Technical field
The present invention relates to field of automobile, specifically relate to a kind of light sound-proof engine hood panel and preparation method thereof.
Background technique
In recent years, automotive light weight technology has become the emphasis direction of automotive field development instantly, and Lightweight Technology can not only
It the problem of enough its environmental pollutions of effective solution, realizes the target of energy-saving and emission-reduction, also largely reduces automobile manufacture
Cost has very big economic benefit for present used automobile.
Currently, the method for automotive light weight technology mainly includes the section using light material and reduction door-plate.Reduce door-plate
Section namely reduces the thickness of door-plate, although can reduce the overall weight of automobile, it can also cause automobile door plate is strong
Degree reduces, and in collision, can generate serious deformation, reduce the safety of automobile.Using light material refer to using light weight,
The steel material of the current car door of the big material substitution of intensity, currently, common light material has aluminium alloy extrusions, high-strength complex
Resin and carbon fibre material.Wherein, high-intensity resin relies on itself small specific gravity, sound-insulating and heat-insulating, corrosion-resistant, absorption impact energy
Amount, many advantages, such as specific strength is high, at low cost, easy processing, good decorating effect, already as light material in automotive light weight technology
Development trend.
Phenolic resin starting material is easy to get, cheap, and production technology and equipment are simple, and product has excellent machinery
Property, heat resistance, cold resistance, electrical insulating property, dimensional stability, molding processibility, anti-flammability and smokiness, there is extensive use
On the way, still, conventional unmodified phenolic resin brittleness is big, poor toughness, largely limits the exploitation of high performance material.
Summary of the invention
Of the existing technology in order to overcome the problems, such as, an object of the present invention is to provide a kind of light sound-proof hood
Plate and preparation method thereof, the light sound-proof engine hood panel have the advantages that light weight, intensity are high, soundproof effect is good.
The second object of the present invention is to provide a kind of preparation method of light sound-proof engine hood panel.
To achieve the goals above, the present invention provides a kind of light sound-proof engine hood panel, the light sound-proof engine
Cover board is by engine skeleton and includes the coating outside skeleton, and the engine skeleton includes the component A packed independently of each other, group
Divide B, component C and component D；On the basis of 100 parts by weight of phenol raw material, wherein：
The component A includes：10~30 parts by weight of first polymer lotion, 0.6~10 parts by weight of foaming agent；
The component B includes：5~30 parts by weight of second polymer lotion, 1~6 parts by weight of soluble metallic salt, chain extender
10~30 parts by weight；
The component C includes：100 parts by weight of phenol raw material, 40~120 parts by weight of aldehyde raw material；
The component D includes：200~400 parts by weight of organic solvent, 10~30 parts by weight of catalyst.The present invention also provides
A kind of preparation method of light sound-proof engine hood panel, includes the following steps：
(1) first polymer lotion and foaming agent are subjected to spinning after mixing, obtain polymer fiber；
(2) polymer fiber, chain extender and soluble metallic salt are placed in second polymer lotion, at 60~100 DEG C
15~60min of lower reaction, then impregnates in an acidic solution, and 15~30min is then handled at 150~200 DEG C, is obtained compound
Fiber；
(3) in organic solvent after mixing by phenol raw material, aldehyde raw material, catalyst and composite fibre, at 80~120 DEG C
3~5h of lower reflux, obtains light sound-proof phenolic resin, then by light sound-proof phenolic resin punch forming, obtains engine bone
Frame；
(4) by modified epoxy, butyl methacrylate, redox graphene, levelling agent, wetting agent, curing agent
It is uniformly mixed in organic solvent, forms coating emulsion, coating emulsion is then sprayed on engine skeleton surface, after solidification,
Form wear-resistant coating.
Through the above technical solutions, the present invention has the following technical effects：
In the present invention, spinning is carried out after polymer emulsion is mixed with foaming agent, and is obtained poly- containing foaming agent
Fibres are closed, then polymer fiber and soluble metallic salt are subjected to polymerization reaction in polymer emulsion, in polymer fiber
Surface Creation contains the outer wall of metal ion, composite fibre A is obtained, then place it in acid solution and impregnate, to metal ion
It is eluted, forms the outer wall containing meso-hole structure, obtain composite fibre B, composite fibre B is heat-treated at high temperature, make to send out
Infusion decomposes, and forms macropore in inner core to get composite fibre is arrived.
By the way that the composite fibre with multiple pore structure is added in phenolic resin, on the one hand porous structure can reduce body
On the other hand the quality of system can also stop the propagation of sound, play the role of sound insulation.Further, since the composite fibre is by interior
Core and outer wall dual structure are constituted, intensity and high tenacity with higher, play the role of enhancing phenolic resin.The present invention is in phenol
Composite fibre is added in the synthesis process of urea formaldehyde, can be improved the binding force between phenolic resin and composite fibre, to improve
Stability of the composite fibre in phenolic resin improves the stability of engine hood panel.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
In order to improve the intensity and toughness of phenolic resin, reduce the quality of phenolic resin, the present invention provide a kind of lightweight every
Sound phenolic resin, including phenolic resin and the composite fibre being dispersed in inside phenolic resin, the composite fibre includes having greatly
The inner core in hole and contain mesoporous outer wall.
In the present invention, by the way that the composite fibre with multiple pore structure is added in phenolic resin, on the one hand it can reduce
On the other hand the quality of system can also stop the propagation of sound, play the role of sound insulation.Further, since the composite fibre by
Inner core and outer wall dual structure are constituted, and intensity and high tenacity with higher can enhance the intensity and toughness of phenolic resin.
In order to advanced optimize the toughness of composite fibre, under preferable case, the pore diameter range of macropore is 50 in the inner core
~100nm, mesoporous pore diameter range is 10~45nm on the outer wall.
In order to advanced optimize the toughness of composite fibre, under preferable case, the diameter of the inner core is 0.5~2 μm, described
Outer wall with a thickness of 50~150nm.
In the present invention, the proportion of phenolic resin and composite fibre is an important factor for influencing phenolic resin performance, in order to excellent
The intensity and toughness for changing phenolic resin, under preferable case, the mass ratio of the phenolic resin and the composite fibre is 1：(0.1
~0.25).
In the case of, according to the invention it is preferred to, the inner core is selected from porous polyvinylidene fluoride, porous poly terephthalic acid
It is two ester fiber of second, porous dacron fibre, porous polyarylate fiber, porous polyvinyl acetate fibers, porous
It is nylon 6 fiber, porous polymethyl methyl acrylate fiber, porous polyaniline fiber fiber, porous polyethylene glycol oxide fiber, porous
At least one of polyvinyl pyrrolidone fibers.
In the case of, according to the invention it is preferred to, the material of the outer wall is selected from Kynoar, poly terephthalic acid second two
Ester, polyethylene terephthalate, polyarylate, polyvinyl acetate, nylon 6, polymethyl methacrylate, polyaniline, polyoxygenated
At least one of ethylene, polyvinylpyrrolidone.
In another preferred embodiment of the present invention, the light sound-proof phenolic resin includes packing independently of each other
Component A, component B, component C and component D；It is calculated as benchmark for 100 parts by weight with phenol raw material, wherein：
The component A includes：10~30 parts by weight of first polymer lotion, 0.6~10 parts by weight of foaming agent；
The institute component B includes：5~30 parts by weight of second polymer lotion, 1~6 parts by weight of soluble metallic salt, chain extension
10~30 parts by weight of agent；
Institute's component C includes：100 parts by weight of phenol raw material, aldehyde raw material 40~120,10~30 parts by weight of catalyst；
The institute component D includes：200~400 parts by weight of organic solvent, 10~30 parts by weight of catalyst.
In order to optimize the intensity and toughness of phenolic resin, under preferable case, the light sound-proof phenolic resin includes mutual
Component A, component B, component C and the component D of independent packaging；It is calculated as benchmark for 100 parts by weight with phenol raw material, wherein
The component A includes：20~24 parts by weight of first polymer lotion, 2~6 parts by weight of foaming agent；
The institute component B includes：10~12 parts by weight of second polymer lotion, expand at 2~4 parts by weight of soluble metallic salt
20~24 parts by weight of chain agent；
Institute's component C includes：100 parts by weight of phenol raw material, aldehyde raw material 110~120；
The institute component D includes：240~360 parts by weight of organic solvent, 16~24 parts by weight of catalyst.
The present invention also provides a kind of preparation methods of light sound-proof phenolic resin, include the following steps：
(1) first polymer lotion and foaming agent are subjected to spinning after mixing, obtain polymer fiber；
(2) polymer fiber, chain extender and soluble metallic salt are placed in second polymer lotion, at 60~100 DEG C
15~60min of lower reaction, then impregnates in an acidic solution, and 15~30min is then handled at 150~200 DEG C, is obtained compound
Fiber；
(3) in organic solvent after mixing by phenol raw material, aldehyde raw material, catalyst and composite fibre, at 80~120 DEG C
3~5h of lower reflux, obtains light sound-proof phenolic resin.
According to the present invention, by mixing foaming agent with first polymer lotion in the present invention, and electrostatic spinning is carried out, it is raw
At the polymer fiber containing foaming agent, foaming agent forms hole after pyrolytic inside polymer fiber, therefore, hair
Infusion is one of the important component to form polymeric inner gap, and under preferable case, the foaming agent is selected from the double benzene of 4,4- oxo
Sulfohydrazide, azodicarbonamide, N, at least one of N '-dinitrosopentamethlyene tetramine.
In the case of, according to the invention it is preferred to, the polymer emulsion is selected from polyvinylidene fluoride emulsion, poly terephthalic acid second
Diester lotion, polyethylene terephthalate lotion, polyarylate lotion, polyvinyl acetate emulsion, 6 lotion of nylon, poly- methyl-prop
At least one of e pioic acid methyl ester lotion, Polyaniline emulsion, polyethylene glycol oxide lotion, polyvinylpyrrolidone lotion.
In the case of, according to the invention it is preferred to, the solid content of the first polymer lotion is 23~75%.According to this hair
Bright, under preferable case, the solid content of the second polymer lotion is 16~63%.
According to the present invention, the present invention does not have special requirement to the type of acid solution, can be hydrochloric acid, sulfuric acid, nitric acid
At least one of Deng.
According to the present invention, polymer fiber is anti-in the second polymer lotion containing soluble metallic salt and chain extender
It answers, the outer polymer wall of metal ion can be contained in the Surface Creation of polymer fiber, the metal ion in outer polymer wall
It can migrate, migrate from outer polymer wall into solution in an acidic solution, to be formed on outer polymer wall micro-
Pore structure.
Soluble metallic salt is an important factor for forming meso-hole structure on outer wall, under preferable case, the soluble metal
Salt is selected from sodium salt, sylvite, soluble copper salt, soluble zinc salt, soluble ferric iron salt, soluble nickel salt, soluble cobalt and solvable
Property at least one of manganese salt, more specifically, the soluble metallic salt be selected from sodium chloride, sodium sulphate, sodium nitrate, potassium chloride,
Potassium sulfate, potassium nitrate, iron chloride, copper sulphate, zinc nitrate, zinc chloride, iron chloride, nickel sulfate, nickel nitrate, nickel acetate, nickel chloride,
At least one of cobaltous sulfate, cobalt nitrate, cobalt acetate, cobalt chloride, manganese sulfate, manganese nitrate, manganese acetate, manganese chloride.
In the case of, according to the invention it is preferred to, the phenol raw material be selected from phenol, o-cresol, m-cresol, p-cresol,
To at least one of hydroxymethylphenol, catechol, resorcinol and hydroquinone.It is further preferred that the aldehyde raw material
From formaldehyde, acetaldehyde, propionic aldehyde, butyraldehyde, methacrylaldehyde, cyclohexanone dimethylacetal, benzaldehyde, furfural, heterocyclic aldehydes, paraformaldehyde, three
At least one of polyformaldehyde.
According to the present invention, in the present invention, by adding catalyst, catalysis phenol raw material and aldehyde raw material carry out polymerization reaction, excellent
In the case of choosing, the catalyst in alkali metal hydroxide, alkaline earth metal hydroxide, carbonate and bicarbonate extremely
Few one kind.
In the case of, according to the invention it is preferred to, the chain extender in aliphatic diol, aromatic diol at least one
Kind.Wherein the aliphatic diol is selected from ethylene glycol, 1,3 butylene glycol, 1,10- certain herbaceous plants with big flowers glycol, 1,4- cyclohexanediol, 1,8- pungent two
Alcohol, neopentyl glycol, 2- methyl-1,3-propanediol, 2,4- diethyl -1,5- pentanediol and 3- methyl-1, in 5- pentanediol extremely
Few one kind；Wherein the aromatic diol is selected from hydroquinone double hydroxyethyl ether and/or resorcinol double hydroxyethyl ether.
According to the present invention, wherein there is no special requirement to the type of organic solvent, under preferable case, the organic solvent
Selected from acetone, N,N-dimethylformamide, N-Methyl pyrrolidone, DMAC N,N' dimethyl acetamide, dimethyl acetamide, dichloromethane
Alkane, triethyl phosphate, chloroform, toluene, ethyl alcohol, acetic acid, ethyl acetate, formic acid, chloroform, tetrahydrofuran, atoleine and
At least one of dimethyl sulfoxide.
In the present invention, spinning is carried out after polymer emulsion is mixed with foaming agent, and is obtained poly- containing foaming agent
Fibres are closed, then polymer fiber and soluble metallic salt are subjected to polymerization reaction in polymer emulsion, in polymer fiber
Surface Creation contains the outer wall of metal ion, composite fibre A is obtained, then place it in acid solution and impregnate, to metal ion
It is eluted, forms the outer wall containing meso-hole structure, obtain composite fibre B, composite fibre B is heat-treated at high temperature, make to send out
Infusion decomposes, and forms macropore in inner core to get composite fibre is arrived.
By the way that the composite fibre with multiple pore structure is added in phenolic resin, on the one hand porous structure can reduce body
On the other hand the quality of system can also stop the propagation of sound, play the role of sound insulation.Further, since the composite fibre is by interior
Core and outer wall dual structure are constituted, intensity and high tenacity with higher, play the role of enhancing phenolic resin.The present invention is in phenol
Composite fibre is added in the synthesis process of urea formaldehyde, can be improved the binding force between phenolic resin and composite fibre, to improve
Stability of the composite fibre in phenolic resin.
In the case of, according to the invention it is preferred to, the technique of the spinning is：10~60KV of supply voltage, spinning environment condition
It is 15~35 DEG C of temperature, relative humidity 25~90%；Multi needle spinneret unit syringe needle 2~30cm of spacing, spinneret unit syringe needle number
Amount is 6~90.
According to the present invention, the present invention adjusts macropore in inner core by the ratio of control foaming agent and first polymer lotion
Content, under preferable case, in step (1), the mass ratio of the foaming agent and the first polymer lotion is 1：(5~
10)。
According to the present invention, the present invention adjusts outer wall by the ratio of control soluble metallic salt and second polymer lotion
The content of intermediary hole, under preferable case, in step (2), the mass ratio of the soluble metallic salt and second polymer lotion
It is 1：(5~7.5).
According to the present invention, the present invention elutes metal ion by impregnating composite fibre A in an acidic solution,
To form the outer wall containing meso-hole structure, under preferable case, in step (2), the pH value of the acid solution is 1~5.For
The elution efficiency of metal ion is improved, it is further preferred that in soaking process change a soak every 30min, to soaking
The pH value of bubble liquid is no longer changed.
The present invention also provides a kind of light sound-proof engine hood panel, the light sound-proof engine hood panel is by engine bone
Frame and the coating being coated on outside skeleton, the engine skeleton use light sound-proof phenolic resin punching press according to the present invention
Molding is made.
It is the coating packet in terms of 100 by the weight of epoxy resin under a preferable case of the invention in embodiment
Include the substance of following parts by weight：100 parts of epoxy resin, 30~58 parts of butyl methacrylate, redox graphene 5~15
Part, 2~6 parts of levelling agent.
Preferably, the levelling agent is selected from dimethyl silicone polymer and/or polymethylphenylsiloxane；The curing agent can
To use ethylenediamine, hexamethylene diamine, methyl cyclohexyl diamine, 1,4- butanediamine, 1,5- pentanediamine, 2- methyl-1,5- pentanediamine, 2- fourth
Base -2- ethyl -1,5- pentanediamine, 1,6- hexamethylene diamine, 2,2,4- trimethylhexane diamine, 2,4,4- trimethylhexane diamine, 1,8- are pungent
Diamines, 2- methyl-1,8- octamethylenediamine, 1,9-nonamethylene diamine, 1,10- decamethylene diamine, 1,11- hendecane diamines, 1,12- dodecane two
Amine, 1,13- tridecane diamine, 1,14- tetradecane diamines, 1,15- pentadecane diamines, 2- methyl -2,4-PD, 1,16- ten
At least one of six alkane diamines and 1,18-1,14- octadecamethylene diamine, dimethythiotoluene diamine.
The present invention also provides a kind of preparation methods of light sound-proof engine hood panel, include the following steps：
(1) preparation of engine skeleton：The engine skeleton uses light sound-proof phenolic aldehyde tree according to the present invention
Rouge punch forming is made, and preparation method is referring to the present invention previously with regard to the description of the preparation method of light sound-proof phenolic resin.
(2) coating spraying：By epoxy resin, butyl methacrylate, redox graphene, levelling agent, wetting agent, consolidate
Agent is uniformly mixed in organic solvent, forms coating emulsion, coating emulsion is then sprayed on core surfaces, after solidification, shape
At coating.
The curing process of coating emulsion of the present invention can be the common curing process of epoxy resin, such as can be 120
Solidify 45min at DEG C.
In the present invention, in the preparation process of engine skeleton, the punch forming of the engine skeleton can be existing
Common Sheet Metal Forming Technology in technology, such as can be：It in temperature is 80 DEG C by light sound-proof phenolic resin, pressure is 10MPa
Under the conditions of the punching press time be 15min, after punching press, the temperature of stamping die and product is reduced to room temperature within 10min.
In the present invention, spinning is carried out after polymer emulsion is mixed with foaming agent, and is obtained poly- containing foaming agent
Fibres are closed, then polymer fiber and soluble metallic salt are subjected to polymerization reaction in polymer emulsion, in polymer fiber
Surface Creation contains the outer wall of metal ion, composite fibre A is obtained, then place it in acid solution and impregnate, to metal ion
It is eluted, forms the outer wall containing meso-hole structure, obtain composite fibre B, composite fibre B is heat-treated at high temperature, make to send out
Infusion decomposes, and forms macropore in inner core to get composite fibre is arrived.
By the way that the composite fibre with multiple pore structure is added in phenolic resin, on the one hand porous structure can reduce body
On the other hand the quality of system can also stop the propagation of sound, play the role of sound insulation.Further, since the composite fibre is by interior
Core and outer wall dual structure are constituted, intensity and high tenacity with higher, play the role of enhancing phenolic resin.The present invention is in phenol
Composite fibre is added in the synthesis process of urea formaldehyde, can be improved the binding force between phenolic resin and composite fibre, to improve
Stability of the composite fibre in phenolic resin improves the stability of engine hood panel.
The present invention will be described in detail by way of examples below.In following embodiment, various kinds is tested using drainage
The density of product.According to the tensile property of the method test each sample of GB/T1447-2005.According to the side of GB/T1040.1-2006
The elongation at break of method test each sample.According to the impact flexibility of the method test each sample of GB/T1451-2005.According to GB/
The acoustic absorptivity of the method test each sample of T18696.2-2002.Test sample is that diameter is 7.8cm, with a thickness of the circle of 1.2cm
Piece, test frequency range are 100~2500Hz.
Embodiment 1
(1) preparation of engine skeleton：
A, 24g polyethylene terephthalate lotion, 6g 4,4- oxobenzenesulfonyl hydrazide are spun after mixing
Silk, obtains dacron fibre, spinning technique is：Supply voltage 30KV, spinning environment condition are 25 DEG C of temperature,
Relative humidity 60%；Multi needle spinneret unit syringe needle spacing 15cm, spinneret unit syringe needle quantity are 45；
B, 22g dacron fibre, 20g ethylene glycol and 3g zinc nitrate is taken to be placed in 12g poly terephthalic acid
In second diester lotion, 45min is reacted at 80 DEG C, obtains composite fibre A, the hydrochloric acid solution for being then 3 in pH by composite fibre A
Middle immersion 2h obtains composite fibre B, composite fibre B is handled at 180 DEG C wherein every 15min replaces a hydrochloric acid solution
15min obtains composite fibre C；
The composite fibre C by having eurypyloue inner core and being formed containing mesoporous outer wall, wherein in inner core macropore hole
Diameter range is 80nm；Mesoporous pore diameter range is 15nm on outer wall；The diameter of inner core is 1 μm；The outer wall with a thickness of 60nm.
C, by 100g o-cresol, 120g metaformaldehyde, 20g potassium hydroxide and composite fibre C in 300gN- methylpyrrole
In alkanone after mixing, flow back 3.5h at 100 DEG C, obtains light sound-proof phenolic resin；
D, it is 80 DEG C in temperature by light sound-proof phenolic resin, is punching press 15min under conditions of 10MPa, after punching press,
The temperature of stamping die and product is reduced to room temperature within 10min, obtains engine skeleton.
(2) light sound-proof engine hood panel：
Include in the step of engine skeleton surface spraying coating, spray-on coating：By 100g melamine epoxy resin,
45g butyl methacrylate, 8g redox graphene, 4g polymethylphenylsiloxane, 15g dimethythiotoluene diamine in N,
It is uniformly mixed in dinethylformamide, forms coating emulsion, coating emulsion is then sprayed on core surfaces, at 120 DEG C
Solidify 45min, forms coating.
Embodiment 2
(1) preparation of engine skeleton：
A, by 6 lotion of 20g nylon and 2g 4,4- oxobenzenesulfonyl hydrazide carries out spinning after mixing, and it is fine to obtain nylon 6
Dimension, spinning technique are：Supply voltage 30KV, spinning environment condition are 25 DEG C of temperature, relative humidity 60%；Multi needle spinneret unit
Syringe needle spacing 15cm, spinneret unit syringe needle quantity are 45；
B, 18g nylon 6 fiber, 24g 1,3-BDO and 2g cobalt acetate is taken to be placed in 6 lotion of 10g nylon, at 80 DEG C
30min is reacted, composite fibre A is obtained, composite fibre A is then impregnated into 1.5h in the hydrochloric acid solution that pH is 2, wherein often
15min replaces a hydrochloric acid solution, obtains composite fibre B, composite fibre B is handled 30min at 150 DEG C, obtains compound fibre
Victoria C；
The composite fibre C by having eurypyloue inner core and being formed containing mesoporous outer wall, wherein in inner core macropore hole
Diameter range is 60nm；Mesoporous pore diameter range is 20nm on outer wall；The diameter of inner core is 1.5 μm；The outer wall with a thickness of
100nm。
C, by 100g m-cresol, 135g paraformaldehyde, 16g potassium hydroxide and composite fibre C in 240gN- methylpyrrole
In alkanone after mixing, flow back 3.5h at 110 DEG C, obtains light sound-proof phenolic resin；
It D, is 80 DEG C in temperature by light sound-proof phenolic resin, under conditions of pressure is 10MPa, punching press 15min, punching press knot
The temperature of stamping die and product is reduced to room temperature within 10min by Shu Hou.
(2) light sound-proof engine hood panel：
Include in the step of engine skeleton surface spraying coating, spray-on coating：By 100g melamine epoxy resin,
45g butyl methacrylate, 8g redox graphene, 4g polymethylphenylsiloxane, 15g dimethythiotoluene diamine in N,
It is uniformly mixed in dinethylformamide, forms coating emulsion, coating emulsion is then sprayed on core surfaces, at 120 DEG C
Solidify 45min, forms coating.
Embodiment 3
(1) preparation of engine skeleton：
A, 10g polyvinyl acetate emulsion and 2g azodicarbonamide are subjected to spinning after mixing, obtain poly-vinegar acid second
Alkene fiber, spinning technique are：Supply voltage 30KV, spinning environment condition are 25 DEG C of temperature, relative humidity 60%；Multi needle spinneret
Unit syringe needle spacing 15cm, spinneret unit syringe needle quantity are 45；
B, 9g polyvinyl acetate fibers, 24g neopentyl glycol and 4g manganese sulfate is taken to be placed in 30g polyvinyl acetate emulsion,
45min is reacted at 75 DEG C, obtains composite fibre A, composite fibre A is then impregnated into 2h in the hydrochloric acid solution that pH is 4.2, wherein
Every 10min replaces a hydrochloric acid solution, obtains composite fibre B, composite fibre B is handled 25min at 200 DEG C, is obtained compound
Fiber C；
The composite fibre C by having eurypyloue inner core and being formed containing mesoporous outer wall, wherein in inner core macropore hole
Diameter range is 80nm；Mesoporous pore diameter range is 30nm on outer wall；The diameter of inner core is 0.8 μm；The outer wall with a thickness of
120nm。
C, 100g hydroquinone, 40g formaldehyde, 24g potassium hydroxide and composite fibre C are mixed in 360g dimethyl acetamide
After closing uniformly, flow back 4h at 100 DEG C, obtains light sound-proof phenolic resin；
It D, is 80 DEG C in temperature by light sound-proof phenolic resin, under conditions of pressure is 10MPa, punching press 15min, punching press knot
The temperature of stamping die and product is reduced to room temperature within 10min by Shu Hou.
(2) light sound-proof engine hood panel：
Include in the step of engine skeleton surface spraying coating, spray-on coating：By 100g melamine epoxy resin,
45g butyl methacrylate, 8g redox graphene, 4g polymethylphenylsiloxane, 15g dimethythiotoluene diamine in N,
It is uniformly mixed in dinethylformamide, forms coating emulsion, coating emulsion is then sprayed on core surfaces, at 120 DEG C
Solidify 45min, forms coating.
Embodiment 4
(1) preparation of engine skeleton：
A, 30g polyarylate lotion and 10g azodicarbonamide are subjected to spinning after mixing, obtain polyarylate fiber,
Spinning technique is：Supply voltage 60KV, spinning environment condition are 35 DEG C of temperature, relative humidity 90%；Multi needle spinneret unit needle
Head spacing 30cm, spinneret unit syringe needle quantity are 90；
B, 28g polyarylate fiber, 30g 2- methyl-1 are taken, 3-propanediol and 6g potassium sulfate are placed in 20g polyarylate lotion,
15min is reacted at 100 DEG C, obtains composite fibre A, composite fibre A is then impregnated into 1h in the hydrochloric acid solution that pH is 1,
In every 10min replace a hydrochloric acid solution, obtain composite fibre B, composite fibre B handled into 30min at 200 DEG C, is answered
Condensating fiber C；
The composite fibre C by having eurypyloue inner core and being formed containing mesoporous outer wall, wherein in inner core macropore hole
Diameter range is 50nm；Mesoporous pore diameter range is 10nm on outer wall；The diameter of inner core is 0.5 μm；The outer wall with a thickness of
50nm。
C, by 100g p-methyl phenol, 65g formaldehyde, 10g potassium hydroxide and composite fibre C in 200g dimethyl acetamide
After mixing, flow back 3h at 120 DEG C, obtains light sound-proof phenolic resin；
It D, is 80 DEG C in temperature by light sound-proof phenolic resin, pressure is punching press 15min under conditions of 10MPa, punching press knot
The temperature of stamping die and product is reduced to room temperature within 10min by Shu Hou.
(2) light sound-proof engine hood panel：
Include in the step of engine skeleton surface spraying coating, spray-on coating：By 100g melamine epoxy resin,
45g butyl methacrylate, 8g redox graphene, 4g polymethylphenylsiloxane, 15g dimethythiotoluene diamine in N,
It is uniformly mixed in dinethylformamide, forms coating emulsion, coating emulsion is then sprayed on core surfaces, at 120 DEG C
Solidify 45min, forms coating.
Embodiment 5
(1) preparation of engine skeleton：
A, 15g polymethyl methacrylate lotion and 0.6g 4,4- oxobenzenesulfonyl hydrazide are spun after mixing
Silk, obtains polymethylmethacrylate fibers, spinning technique is：Supply voltage 10KV, spinning environment condition are 15 DEG C of temperature, phase
To humidity 25%；Multi needle spinneret unit syringe needle spacing 2cm, spinneret unit syringe needle quantity are 6；
B, 13g polymethylmethacrylate fibers, 10g 1,8- ethohexadiol and 1g sodium chloride is taken to be placed in 5g polymethyl
In sour methyl ester emulsions, 60min is reacted at 60 DEG C, obtains composite fibre A, the hydrochloric acid solution for being then 5 in pH by composite fibre A
Middle immersion 3h obtains composite fibre B, composite fibre B is handled at 150 DEG C wherein every 15min replaces a hydrochloric acid solution
20min obtains composite fibre C；
The composite fibre C by having eurypyloue inner core and being formed containing mesoporous outer wall, wherein in inner core macropore hole
Diameter range is 100nm；Mesoporous pore diameter range is 45nm on outer wall；The diameter of inner core is 2 μm；The outer wall with a thickness of
150nm。
C, 100g hydroquinone, 65g acetaldehyde, 30g potassium hydroxide and composite fibre C are mixed in 400g ethyl acetate
After even, flow back 5h at 80 DEG C, obtains light sound-proof phenolic resin；
It D, is 80 DEG C in press temperature by light sound-proof phenolic resin, under conditions of pressure is 10MPa, punching press 15min, punching
After pressure, the temperature of stamping die and product is reduced to room temperature within 10min.
(2) light sound-proof engine hood panel：
Include in the step of engine skeleton surface spraying coating, spray-on coating：By 100g melamine epoxy resin,
45g butyl methacrylate, 8g redox graphene, 4g polymethylphenylsiloxane, 15g dimethythiotoluene diamine in N,
It is uniformly mixed in dinethylformamide, forms coating emulsion, coating emulsion is then sprayed on core surfaces, at 120 DEG C
Solidify 45min, forms coating.
Comparative example 1
According to the method for embodiment 1, unlike, foaming agent is not added in the preparation of light sound-proof phenolic resin.
Comparative example 2
According to the method for embodiment 1, unlike, step B is not contained in the preparation of light sound-proof phenolic resin.
Comparative example 3
According to the method for embodiment 1, unlike, soluble metal is not added in the preparation of light sound-proof phenolic resin
Salt.
Comparative example 4
According to the method for embodiment 1, unlike, it is fine that polyethylene terephthalate is added directly in phenolic resin
Dimension.
The performance table of each flame-retardant high-strength lightweight resin in 1 Examples 1 to 5 of table and comparative example 1~4
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (9)
1. a kind of light sound-proof engine hood panel, which is characterized in that the light sound-proof engine hood panel by engine skeleton and
Including the coating outside skeleton, the engine skeleton includes the component A packed independently of each other, component B, component C and component D；
On the basis of 100 parts by weight of phenol raw material, wherein：
The component A includes：10~30 parts by weight of first polymer lotion, 0.6~10 parts by weight of foaming agent；
The component B includes：5~30 parts by weight of second polymer lotion, 1~6 parts by weight of soluble metallic salt, chain extender 10~
30 parts by weight；
The component C includes：100 parts by weight of phenol raw material, 40~120 parts by weight of aldehyde raw material；
The component D includes：200~400 parts by weight of organic solvent, 10~30 parts by weight of catalyst.
2. light sound-proof engine hood panel according to claim 1, wherein by phenol raw material be 100 parts by weight on the basis of,
In
The component A includes：20~24 parts by weight of first polymer lotion, 2~6 parts by weight of foaming agent；
The component B includes：10~12 parts by weight of second polymer lotion, 2~4 parts by weight of soluble metallic salt, chain extender 20
~24 parts by weight；
The component C includes：100 parts by weight of phenol raw material, 110~120 parts by weight of aldehyde raw material；
The component D includes：240~360 parts by weight of organic solvent, 16~24 parts by weight of catalyst.
3. light sound-proof engine hood panel according to claim 1, wherein the foaming agent is selected from the double benzene sulphurs of 4,4- oxo
Hydrazides, azodicarbonamide, N, at least one of N '-dinitrosopentamethlyene tetramine.
4. light sound-proof engine hood panel according to claim 1 or 2, wherein the first polymer lotion and second
Polymer emulsion is independently selected from polyvinylidene fluoride emulsion, polyethylene terephthalate lotion, polyarylate lotion, poly-vinegar
Sour vac emulsion, 6 lotion of nylon, polymethyl methacrylate lotion, Polyaniline emulsion, polyethylene glycol oxide lotion, polyethylene pyrrole
At least one of pyrrolidone lotion.
5. light sound-proof engine hood panel according to claim 4, wherein the solid content of the first polymer lotion is
23~75%；And/or
The solid content of the second polymer lotion is 16~63%.
6. light sound-proof engine hood panel according to claim 1, wherein the soluble metallic salt is selected from sodium salt, potassium
In salt, soluble copper salt, soluble zinc salt, soluble ferric iron salt, soluble nickel salt, soluble cobalt and soluble manganese salt at least
It is a kind of.
7. light sound-proof engine hood panel according to claim 1, wherein the catalyst is selected from alkali metal hydroxide
At least one of object, alkaline earth metal hydroxide, carbonate and bicarbonate.
8. a kind of preparation method of light sound-proof engine hood panel, which is characterized in that include the following steps：
(1) first polymer lotion and foaming agent are subjected to spinning after mixing, obtain polymer fiber；
(2) polymer fiber, chain extender and soluble metallic salt are placed in second polymer lotion, it is anti-at 60~100 DEG C
15~60min is answered, is then impregnated in an acidic solution, 15~30min is then handled at 150~200 DEG C, obtains compound fibre
Dimension；
(3) in organic solvent after mixing by phenol raw material, aldehyde raw material, catalyst and composite fibre, next time at 80~120 DEG C
3~5h is flowed, light sound-proof phenolic resin is obtained, then by light sound-proof phenolic resin punch forming, obtains engine skeleton；
(4) modified epoxy, butyl methacrylate, redox graphene, levelling agent, wetting agent, curing agent are being had
It is uniformly mixed in solvent, forms coating emulsion, coating emulsion is then sprayed on engine skeleton surface, after solidification, formed
Wear-resistant coating.
9. the preparation method of light sound-proof engine hood panel according to claim 8, wherein in step (3), the punching
Molded technique is：Press temperature is 60-140 DEG C, pressure 5-25MPa, and the punching press time is 2-20min, after punching press,
The temperature of stamping die and product is reduced to room temperature within 10min.
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| CN201810335169.0A CN108841021A (en) | 2018-04-16 | 2018-04-16 | A kind of light sound-proof engine hood panel and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935434A (en) * | 2010-08-25 | 2011-01-05 | 山东圣泉化工股份有限公司 | Preparation method of phenolic resins |
| CN106239878A (en) * | 2015-06-04 | 2016-12-21 | 富士重工业株式会社 | The manufacture method of resin-formed body and punch forming device |
| CN107760182A (en) * | 2017-10-30 | 2018-03-06 | 汪涛 | A kind of sound deadening coating composition |
| CN107805442A (en) * | 2017-11-14 | 2018-03-16 | 青岛爱尔家佳新材料股份有限公司 | Graphene modified water-soluble anticorrosive paint and preparation method thereof |
-
2018
- 2018-04-16 CN CN201810335169.0A patent/CN108841021A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935434A (en) * | 2010-08-25 | 2011-01-05 | 山东圣泉化工股份有限公司 | Preparation method of phenolic resins |
| CN106239878A (en) * | 2015-06-04 | 2016-12-21 | 富士重工业株式会社 | The manufacture method of resin-formed body and punch forming device |
| CN107760182A (en) * | 2017-10-30 | 2018-03-06 | 汪涛 | A kind of sound deadening coating composition |
| CN107805442A (en) * | 2017-11-14 | 2018-03-16 | 青岛爱尔家佳新材料股份有限公司 | Graphene modified water-soluble anticorrosive paint and preparation method thereof |
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