CARBON COMPOSITE MATERIAL AND PRODUCTION METHOD THEREOF

The present invention refers to conversion may have various in the embodiment can apply various bar, in the embodiment example drawing and detailed description to a specific broadcast receiver. However, the present invention is defined with respect to a particular embodiment form which are not included, all the range of the present invention idea and techniques, including the water to replacement should understood to evenly. In the present invention specifically described publicly known techniques related description is the subject matter of invention description can be decided to be a haze if omit other.

The specification of the term "composite" in "composite material" used in the specification can be mixed with a base, two or more material is aggregated material can be understood to formed in the stream.

In addition, the term "molding" true "processing" in the specification can be mixed with a base, such as the target by applying heat or pressure can be understood to form an.

Recent single-walled carbon nanotube has good electrical, etc. are prevented from various electronic and optical nanocomposite material to penetrate through. However single-walled carbon nanotube is distributed energy coupling is an electromagnetic wave, such as a chemically active surfactant may use a number generally is continued, etc. mechanically using a mixer. However, chemical or mechanical method such as said carbon nanotube by dispersing the carbon nanotube itself likely graph flow tides.

In order to solve said a number such as and, hereinafter, embodiments of the present invention detailed manufacturing method according to carbon composite shell greater than 2000.

The present invention according to carbon composite material comprises,

Polyamide resin, characterized by including a chain extending number and carbon material.

According to one embodiment, said of a polyamide resin can have a melt index (MI) is 20g/10min hereinafter, e.g. implementation being 10g/10min hereinafter. A melt index (MI) has a melt flow index (Melt Flow Index) and said graphics, certain condition defined load and temperatures when extruding melt weight or volume flow measuring representing extrusion layers are disclosed. This melt flow index indicating which ease (g/10min), temperature, be influenced by molecular weight and the like. In addition, melt index (MI) is said viscosity or viscous (viscosity) that is can be understood to inversely proportional, said viscosity or viscous fluid resistance to big. I.e., the higher the molecular weight has a melt index (MI) has a low value, this flow also the high mark rises low motor vehicle is started substrate.

According to an exemplary embodiment, the present invention according to the polyamide resin composition is 280 °C, 0. 325 kg conditions measured melt index (MI) is 20g/10min hereinafter can have, e.g., 15g/10min hereinafter, or implementation being 10g/10min hereinafter.

In addition, the number average molecular weight of 15,000 to 100,000 said polyamide resin (Mn) can have, for example, 20,000 to 80,000 or 20,000 to 50,000 implementation being.

A number average molecular weight (Mn) such as said polyamide resin having a melt index (MI) and the polyamide resin is lower than the melt index is generally comprises, as a relatively viscous resin can, the viscous resin by, is vacuum-deposited on advantageous composition can be circuited [...] number. Specifically, when including viscous polyamide resin, carbon nanotube (CNT) in the solvent is applied to all the extrusion process, the carbon nanotube can be included with the improve the dispersion of said polyamide resin.

As said polyamide resin, nylon resin, nylon copolymer resin and mixtures thereof can be used. Nylon resin include conventionally known ε - caprolactam, ω - such as polyamide (nylon 6) obtained by ring-opening polymerization of the lactam in the selective accumulation of the car [lak burning, -6; amino car [phu theory it buys, 11 - amino fortune space it buys, such as nylon 12 - amino space it buys can be obtained under amino acid polymer; ethylene diamine, tetramethylene diamine, hexamethylene diamine, fortune car methyl [leyn diamine, accumulation of car methyl [leyn diamine, 2, 2, 4 - trimethyl hexamethylene diamine, 2, 4, 4 - trimethyl hexamethylene diamine, methyl 5 - it plays but [heyk it buys the methyl [leyn the diamine, metaxylene diamine, paraxylene diamine, 1, 3 - bis aminomethyl cyclohexane, 1, 4 - bis aminomethyl cyclohexane, 1 - amino - 3 - aminomethyl - 3, 5, 5 - trimethyl cyclohexane, bis (4 - amino cyclohexane) methane, bis (4 - methyl - 4 - aminocyclohexyl) methane, 2, 2 - bis (4 - aminocyclohexyl) propane, bis (aminopropyl) piperazine, aminoethyl piperidine such as aliphatic, alicyclic or aromatic diamine and adipic acid, three [khin it buys (sebacic acid), oh the gel column it buys (azelaic acid), terephthalic acid, terephthalic acid 2 - chloro, 2 - methyl terephthalic acid such as aliphatic, alicyclic or aromatic dicarboxylic acids such as can be obtained from the polymerization of nylon polymer; their copolymer or blend can be used. Caprolactam (nylon 6) (nylon 6, 10) bevel gears nylon copolymer poly [...] copolymer, poly caprolactam (nylon 6) copolymer of poly [heyk it buys the methyl [leyn oh the deep amide (nylon 66), poly caprolactam (nylon 6) and poly it will soak and [lak burning, (nylon 12) can be copolymer and the like.

According to one embodiment, said polyamide resin specifically, such as to be a formula 1 compound.

[Formula 1]

In said formula 1 is 50 to 1,000 n implementation being. Said n said nylon resin suitable for the present invention in a range of viscosity and chain length may have.

Said n is small molecular weight and can be less than 50 previously, increasing the force required during the extrusion in accordance with magnitude of 1,000 can be, e.g., 50 to 500, or 100 to 500, or e.g., can be in the range of 150 to 300.

According to an exemplary embodiment, carbon composite material in addition to the polyamide resin thermosetting resin, thermoplastic resin or photocurable resin further comprising can be, for example, polycarbonate, styrene - butadiene - polyacrylamide with knight reel, polyestercarbonate, 1 can be further comprises at least one polypropylene and polyolefin or the like. They are of a polyamide resin to melt index (MI) without affecting the auxiliary further within a range that can be used.

Said thermosetting resin as for example, polyether, polyimide, polysulfone, epoxy resin, unsaturated polyester resin, phenol resin or the like and can be used, for example photocurable resin as, radical curing resin (acrylic monomer or polyester acrylate, urethane acrylate, epoxy acrylate such as acrylic oligomer, unsaturated polyester, NTSC this year orgin polymer), cationically cured resin (epoxy resin, oxetane resin, vinyl stabilizing resin) can be use, as for example thermoplastic resin, nylon resin, polyethylene resin, polyamide resin, polyester resin, polycarbonate resin, polyarylate resin, etc. the pulley the [ley pin which comes resin can be cycloalkyl.

As said thermoplastic resin to be used in the art but if used without a number, e.g. polycarbonate resin, polypropylene resin, polyamide resin, aramid resin, aromatic polyester resin, polyolefin resin, polyestercarbonate resin, polyphenylene ether resin, polyphenylene snow feed resin, polysulfone resin, polyethersulfone resin, polyarylene resin, cycloolefin-based resin, polyether-imide resin, polyacetal resin, polyvinyl acetal resin, polyketone resin, polyether ketone resin, polyether ether ketone resins, polyaryl ketone resins, polyether nitrile resin, liquid crystal resin, a polybenzimidazole resin, phosphoric resin, aromatic the [khey neel chemical compound which will know, methacrylic ester, acrylic ester, and cyanide vinyl compound consisting of at least one vinyl monomer selected from the group consisting 1, polymerization or copolymerized vinyl polymer or copolymer resin obtained, diene - aromatic alkenyl compound copolymer resin, vinyl cyanide - diene - aromatic alkenyl compound copolymer resin, aromatic alkenyl compound - diene - cyanide vinyl - N - phenyl butoxymaleimide copolymer resin, vinyl cyanide (ethylene - propylene - diene (EPDM)) - - aromatic alkenyl compound copolymer resin, polyolefin, vinyl chloride resin, chlorinated vinyl chloride resin can be selected from the group consisting of one or more than at least one. These resins particular contrast class is a well known, can be appropriately selected by one skilled corresponding does not.

As said polyolefin resin, e.g. polypropylene, polyethylene, polybutylene, and poly (4 - methyl - 1 - pentene), and combinations thereof are limited to but are not correct. In laser output, said polyolefin are preferably polypropylene homopolymer (e.g., atactic (atactic) polypropylene, isotactic (isotactic) polypropylene, and regular array (syndiotactic) polypropylene), polypropylene copolymer (e.g., polypropylene random copolymer), and mixtures thereof selected from the group consisting of. Suitable polypropylene copolymer is, but not limited to, ethylene, n (i.e., 1 - butene) boot - 1 -, - 1 - ene (i.e., 1 - hexene) [...] and selected from the group consisting random copolymers prepared by the number from the polymerization of propylene in the presence comonomer comprising. In modified propylene random copolymer, the comonomer may be present in an amount of more energy but any, typically about 10 wt % hereinafter (e.g., about 1 to about 7 wt %, or about 1 to about 4. 5 wt %) can be present in an amount of.

As said polyester resin, polyester or copolyester backbone and a dicarboxylic acid component containing a diol component framework of a polycondensation copolymer of a homopolymer or a copolymer of a device substrate. The homo-polyester as, for example polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polyethylene - 2, 6 - naphthalate, poly - 1, 4 - cyclo [...], representative polyethylene d phenyl [ley [thu and the like are disclosed. In particular, polyethylene terephthalate can be use in inexpensive since it multidirectional over preferably. In addition, then said copolymerized polyester as exemplified dicarboxylic acid skeleton selected from at least one component with the components that diol skeleton rot at least 3 defined by a polycondensation. Dicarboxylic acid skeleton are various components having terephthalic acid, isophthalic acid, phthalic acid, 1, 4 - naphthalene dicarboxylic acid, 1, 5 - naphthalene dicarboxylic acid, 2, 6 - naphthalene dicarboxylic acid, 4, 4 '- the d phenyl d car [lu luck thread it buys, 4, 4' - the d phenyl alcoholic beverage phone d car [lu luck thread it buys, adipic acid, ethylhexanoic, dimer acid, cyclo [heyk it buys the d car [lu luck thread obstetrics their ester derivatives or the like is cited. Glycol skeleton component are preferably ethylene glycol, 1, 2 - propanediol, 1, 3 - butanediol, 1, 4 - butanediol, 1, 5 - [...], percutaneous, polyalkylene glycol, 2, 2 - bis (4' - β - hydroxy [...]) propane, ISO [...], 1, 4 - cyclohexanedimethanol, [su fatigue glycol or the like is cited.

Said polycarbonate resin d lung glow type and phosgene, halogen formate, carbonic esters by reacting 1308. number bath or combinations thereof. Said d lung glow type specific examples, hydroquinone, and a reinforcing, 4, 4 '- [...], 2, 2 - bis (4 - hydroxyphenyl) propane (' bisphenol - A ' referred to), 2, 4 - bis (4 - hydroxyphenyl) - 2 - methyl butane, bis (4 - hydroxyphenyl) methane, 1, 1 - bis (4 - hydroxyphenyl) cyclohexane, 2, 2 - bis (3 - chloro - 4 - hydroxyphenyl) propane, 2, 2 - bis (3, 5 - dimethyl - 4 - hydroxyphenyl) propane, 2, 2 - bis (3, 5 - dichloro - 4 - hydroxyphenyl) propane, 2, 2 - bis (3, 5 - dibromo - 4 - hydroxyphenyl) propane, bis (4 - hydroxyphenyl) a process, bis (4 - hydroxyphenyl) ketone, bis (4 - hydroxyphenyl) ether or the like is cited. 　In an among these preferably 2, 2 - bis (4 - hydroxyphenyl) propane, 2, 2 - bis (3, 5 - dichloro - 4 - hydroxyphenyl) propane or 1, 1 - bis (4 - hydroxyphenyl) cyclohexane can be using, preferably 2, 2 - better bis (4 - hydroxyphenyl) can enhance.

Said at least one polycarbonate resin molded article prepared by the number from 2 d lung glow type may be disclosed. In addition, said polycarbonate resin linear polycarbonate resin, branched (branched) polycarbonate resin, polyestercarbonate copolymer resin can be use.

Said linear polycarbonate resin include bisphenol - A-based polycarbonate resin or the like is cited. Said branched polycarbonate resin include tree adopts an anhydride, such as polyfunctional aromatic compounds d lung glow type tree [...] so produced high pressure liquid coolant and carbonate number a is cited. Said polyfunctional aromatic compound is branched polycarbonate resin the synthetic fiber 0. 05 to 2 mole % can be included. Said polyestercarbonate copolymer resin include bifunctional carboxylic acid so produced high pressure liquid coolant and carbonate d lung glow type number a is cited. 　The diaryl carbonate include the d phenyl car this [thu which it sees said such as the reel car this [thu which it sees, ethylene carbonate can be use.

Said cycloolefin-based as polymer, norbornene polymer, [...] cyclic olefin polymer, cyclic conjugated diene polymer, vinyl alicyclic hydrocarbon polymer and hydride is cited. As the embodiments, oh [pheyl (ethylene - america [chu chemical yarn number bath comprises a cycloolefin copolymer), oh ton (JSR yarn number bath norbornene polymer), and five roh number (it comes it buys [nis phone number number bath norbornene polymer) or the like is cited.

According to another exemplary embodiment, said chain extending number is low molecular weight of the polyhydric alcohol, e.g. ethylene writing this call, 1, 4 - butane diol, such as writing this serine, low molecular weight amine polyol, e.g. die ethanolamine, such as tri-ethanol amine, polyamine, e.g. ethylene diamine, reel [leyn die amine xylose, methylene with non- [su five [lu claw aniline or the like is cited. In addition, porous (Pentaerythritol), tree id (Trimellitic Anhydride) adopts an anhydro-synchronized, tree adopts an acid (Trimellitic Acid), 1, 3, 5 - trimethyl benzene [...] (Trimethyl-a 1, 3, 5 a-Benzentricarboxylate), tree-dimethyl (Trimethylol Propane), such as neopentyl glycol (Neopentyl Glycol) or the like is cited. In addition, e.g., ethylenediamine (ethylene di a-amine), ethylene tree amine (ethylene tri-a amine), 1, 4 - butanediol (butanediol), ethylene glycol (ethylene glycol), percutaneous (diethylene glycol), 1, 6 - hexanediol (hexanediol) comprising at least one selected from the group consisting of but, the number 802.11a packets not one.

According to another exemplary embodiment, said polyamide resin 100 parts by weight of said chain extending number is 0. 01 to 10 parts by weight can be, for example, 0. 1 to 5 parts by weight, e.g., 0. 5 to 3 parts by weight of a range but can include, a number average molecular weight (Mn) using of a polyamide resin, such as a melt index (MI) chain length and can be adjustable. 0 content of said chain extending number. 01 parts by weight if less than, its effect can be waste, 10 parts by weight is exceeded, mechanical properties are improved when the door is in the terminal number number one flow tides.

By including such as chain extending said number, high viscosity polyamide resin is used to improve the dispersion degree delayed destruction as well as, in addition, degree of dispersion, elongation and strength can be included to further enhance group consisting of. Specifically, said chain extending number increasing size polymer resin is magnitudes of forces exerted on the carbon nanotube can be extrusion process, by increasing mixing energy can be improve mechanical properties. Said mixing energy generated by mixing an isothermal degrees several pure material means the internal energy can be detected, for example, occurrence of heat absorption when mixing is cited.

According to one embodiment, said carbon material comprises carbon nanotube, carbon fiber, yes pin, comprising at least one selected from the group consisting of carbon black can be, for example, carbon nanotube and carbon fibers and, preferably, a carbon nanotube can be. Said carbon nanotube is single-walled, multi-walled or combinations thereof can be.

Said carbon nanotube is in addition, a type of random coil can be rigid. Said random bending modulus (effective bending modulus) is the form of a coil is rigid [...] carbon nanotube thermal energy (kT, where k [...] and is constant, T is the absolute temperature) due to elastic deformation of thermal energy within a length of greater than form a open without, particles in product muscle is linearly proportional to the number of overall size (distance between end) an apparent molecular mass of carbon nanotube can be defined.

According to an exemplary embodiment, the average length of said carbon material 0. 01 to 1, 000um can have, e.g., 0. 1 to 100um handler, the one number are not disclosed.

When the content of said carbon material about, and moldability can fall, a chelate, a decrease in durability when the risk, based on total weight of composition 0. 001 to 30% by weight can have, e.g. 0. 01 to 20% by weight, e.g. 0. 1 to 10% by weight implementation being.

According to one embodiment, said method comprises the steps of 1:1 to Wednesday 30 weight on said carbon material and extending chain number, e.g. 1:1 to 20, e.g. 1:1 to 10 can be in a range of carbon composite material having improved physical properties.

According to another exemplary embodiment of the present invention, polyamide resin chain-extending number by increasing the chain length by mixing said of a polyamide resin; and the chain length increases in a polyamide resin carbon material blending; [...] manufacturing method including a number can be a carbon composite material.

According to one embodiment, said polyamide resin melt index (MI) is in 20g/10min hereinafter can be employed.

In addition, extrusion from a mixture comprising said polymer resin obtained from blending the carbon material in the slurry can be.

Preferably melted in an extruder mixing and extruding a polymer resin carbon material can be disclosed. Type extruder typically used car is for using a biaxially extrusion can be not limited.

According to one embodiment, said manufacturing method such as carbon composite shell according e.g. extrusion, injection or extrusion and injection molded required by elongation and strength can be applied to a molded article, said article number bath method can be suitably used in sugar industry back to the normal method, said substrate but not exclusively.

Hereinafter, the present invention is embodiment of the present invention in the embodiment for the person with skill in the art is provided for in the art hereinafter to be detailed as follows. However the present invention refers to several different taught herein can be embodied in the form of a in the embodiment is not limited to.

In the embodiment 1 and comparison example 1 to 2 to 2: number of carbon composite material tank

In the embodiment 1 and comparison example 1 to 2 2 to table 1 the composition of the carbon composite material such as a high pressure liquid coolant to his number. Polyamide resin include nylon (PA66) O2, 90% purity of the single walled carbon nanotube (TUBALL, OCSiAL yarn) have as carbon material using, chain extending number (ethylene diamine) as ethylenediamine was used. Reference to the parts by weight of the total composition content units are disclosed.

The melt index of a polyamide resin 280 °C, 0. 325 kg conditions, measured according to method ASTM D1238 test standard ISO 1133 on a transparent conductive layer, as defined in the load constant temperature by applying pressure, specific diameter and length of 10 minutes after passing through the flow flowing sample g/10min shown.

Number 1 attainments

Table 1 according to said each composite as a material, while axis extruder (L/D=42, Φ=40mm) 280 °C temperature profile to the raised in 2 mm X 2 by extruding. 5 mm X 2. Number sized pellets was 5 mm high pressure liquid coolant. Flat profile thickness 3 covers 280 °C in cold pellets prepared by the number injection temperature conditions. 2 mm, length 12. The specimen was 7 mm and dog - the high pressure liquid coolant in the form of number (dog-a bone).

Experiment example: strength and elongation measurement

Experiment example 1

According to method ASTM D638 tensile measures the strength to table 2 is based on a standard height, said MPa of tensile strength units are disclosed.

Experiment example 2

For table 2 when the measured according to method ASTM D790 tensile delayed destruction based on standard, said % tensile new ratio units are disclosed.

Experiment example 3

A transparent conductive layer based on ASTM D256 standard according to method measures the strength to table 2 impact, said impact strength of unit is kgf, m/m are disclosed.

As shown in the table 2, including in the embodiment 1 and comparison example 1 to 6 and comparison example 3 to low viscosity resin including high viscosity resin 4 to 6 is compared, such as when material including carbon content, if high viscosity resin including tensile strength, tensile elongation and impact strength is further improved by a goniophotometer.

In addition, in the embodiment 1 to 6 comprising a high viscosity resin and the chain extending number compared to the number and relative to example 1 to 3 not extending chain, tensile strength, tensile elongation and impact strength is further improved by a goniophotometer.

Therefore, high viscosity resin is used as a carbon composite material, shown to exhibit improved physical properties compared with the low viscosity resin tends somewhat, chain extending number when further added, further than making sure that improves properties can be.

The present invention described above that are directionally-specific content portion, to the party industry in person with skill in the art, such particularly preferred embodiment only the procedure and only aspect, the range of the present invention apparently is the number that are not one will. The substantial range of the present invention defined by appended claim and their equivalent that will.