WO2005042618A1 - 主鎖にケトン基とエーテル結合を有する脂肪族ポリマー、および樹脂組成物 - Google Patents
主鎖にケトン基とエーテル結合を有する脂肪族ポリマー、および樹脂組成物 Download PDFInfo
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- WO2005042618A1 WO2005042618A1 PCT/JP2004/006338 JP2004006338W WO2005042618A1 WO 2005042618 A1 WO2005042618 A1 WO 2005042618A1 JP 2004006338 W JP2004006338 W JP 2004006338W WO 2005042618 A1 WO2005042618 A1 WO 2005042618A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/48—Polymers modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
Definitions
- the present invention relates to a novel aliphatic polymer having a ketone group and an ether bond in a main chain used as a constituent material of a composition represented by, for example, engineering plastics, and a resin composition containing the same.
- Plastic has been applied in various ways as a stable and industrially-producible organic material.
- the so-called engineering plastic is different from general plastics such as polyethylene and polystyrene in that it has excellent mechanical strength and heat resistance and can substitute for metal materials.
- general plastics such as polyethylene and polystyrene
- it has been used as an excellent functional material in all aspects of industry.
- engineer plastics polyamide, polyethylene terephthalate, polycarbonate, polyacetal, polyphenylene ether, etc. are called general-purpose engineer plastics, and they have reasonable performance and are inexpensive. Is used a lot.
- Special engineering plastics include polyimides, polysulfones, wholly aromatic polyesters, liquid crystalline polyesters, polyketones, cyanates, and polyphenylene sulfides.
- polyketones are polymers having a ketone group in the main chain.
- the main ones are polyether ketone (hereinafter abbreviated as PEK), polyether ether ketone (hereinafter abbreviated as PEEK), polyether ketone ketone (hereinafter abbreviated as PEKK), and polyallyl ether ketone, aliphatic polykeet as a composite Etc.
- PEK polyether ketone
- PEEK polyether ether ketone
- PEKK polyether ketone ketone
- polyallyl ether ketone aliphatic polykeet as a composite Etc.
- Polyallyl ether ketone is a heat-resistant polymer that can be injection molded, but the ratio of rigid ketone groups to flexible ether bonds is a factor that determines the heat resistance of the polymer.
- PEK and PEEK which have a high ratio of ketone groups, have high heat resistance, and have a heat distortion temperature of about 300 ° C to 350 ° C and a continuous use temperature of 200 ° C to 260 ° C. It has the highest heat resistance among the plastics it has.
- PEEK has a melting point of 334 ° C and has high hydrolysis resistance, chemical resistance, radiation resistance, and flame retardancy, and is used in aircraft, nuclear power, computers and other electronic equipment, cable coating materials, and connectors. Used in automotive engine peripheral parts, hot water pump housings, etc.
- PEK has higher heat resistance, chemical resistance, flame resistance, and radiation resistance than PEEK, and is used in nuclear power generation and aircraft-related parts.
- Condensed engineering plastics containing an aromatic ring in the main chain have been synthesized by a condensation reaction between bifunctional groups.However, in recent years, synthesis by new methods such as ring-opening polymerization of macrocyclic compounds and direct dehydrogenation polymerization has been developed. It is reported one after another.
- Aliphatic polyketone (trade name “Ca1 iron”) developed and manufactured by Shell Sekiyu Co., Ltd. does not contain an aromatic ring in the molecule, is a cheap raw material, and uses olefins such as ethylene and CO as raw materials. Therefore, the use of special engineer plastic can be expanded. Applications are attracting attention in the fields of packaging, containers, electrical components, electronic components, automotive components, building materials, gears, sliding characteristics components, adhesives, and fibers.
- aliphatic polyketones are mainly synthesized by a method of copolymerizing olefins such as ethylene and propylene with carbon monoxide using metal complexes such as palladium, nickel, and cobalt as catalysts (for example, United States Patent 483 5 250).
- aliphatic polyketones are expected to have many uses.
- Aliphatic polyethers Aliphatic polymers having ketone groups and ether bonds in the main chain, such as terketones and aliphatic polyetheretherketones There is no report on the synthesis of Disclosure of the invention
- the present invention solves the conventional problems and achieves the following objects. That is, the present invention provides an aliphatic polymer having a ketone group and an ether bond in the main chain, which can be used as a constituent material of a composition represented by an engineering plastic.
- the present invention also provides a resin composition containing, as a constituent, an aliphatic polymer having a ketone group and an ether bond in a main chain.
- the present invention relates to an aliphatic polymer having a ketone group and an ether bond in a main chain, which is composed of structural units represented by the following general formulas (1) and (2). .
- General formula (1) a general formula represented by the following general formulas (1) and (2).
- R a and R b each independently represent a substituted or unsubstituted divalent aliphatic hydrocarbon group; and R c represents a substituted or unsubstituted divalent aliphatic having an ether bond at a terminal.
- R a and R b each independently represent a substituted or unsubstituted divalent aliphatic hydrocarbon group; and R c represents a substituted or unsubstituted divalent aliphatic having an ether bond at a terminal.
- n 1 represents an integer of 1 or more;
- n 2 represents 0 or more And nl + n2 is in the range of 2 to 1000.
- the present invention also provides the polymer, wherein in the structural units represented by the general formulas (1) and (2), Ra and Rb are CH 2 and R c is a single bond. .
- R a and R b are CH 2
- R c is represented by — (CH 2 ) ffl — ⁇ —, Wherein m is an integer of 1 to 20.
- the present invention also provides the polymer, wherein the weight average molecular weight is in the range of 74 to 1,000,000.
- the terminal group is selected from the group consisting of —OH, _CO_H, —COOR, —COX, —NH 2 and NCO, wherein R represents a substituted or unsubstituted hydrocarbon group; Represents a halogen atom.
- the present invention also provides the polymer having a crosslinked structure.
- the present invention also provides the above polymer, wherein the ratio of the ether bond to the ketone group represented by the ether bond Z ketone group is in the range of 0.01 to 100.
- the present invention also provides the polymer, which is substantially constituted by using the structural unit represented by the general formula (1) as a repeating unit.
- the present invention also provides the above polymer, which is obtained by polymerizing a polyhydric alcohol as a raw material in the presence of a catalyst.
- the present invention provides the polymer, which is constituted by structural units represented by the general formula (1), the general formula (2), and the following general formula (3).
- General formula (3) is constituted by structural units represented by the general formula (1), the general formula (2), and the following general formula (3).
- 1 & and 13 ⁇ 413 each independently represent a substituted or unsubstituted divalent aliphatic hydrocarbon group
- R c represents a substituted or unsubstituted divalent aliphatic hydrocarbon group
- R 2 represents N 1, k, and 1 are each independently an integer of 1 or more, n 2 is an integer of 0 or more; and n 1 + n 2 and 1 are each independently 1 ⁇ 100.
- the present invention provides a resin composition comprising the structural unit represented by the general formula (1) as a constituent element.
- the present invention further provides the above resin composition, further comprising a conductive powder.
- the present invention provides the resin composition, wherein the conductive powder is metal fine particles.
- the present invention provides the resin composition, wherein the conductive powder is a carbon nanotube.
- the present invention provides the resin composition, wherein the conductive powder is a carbon nanotube modified with a functional group capable of undergoing a polymerization reaction with an aliphatic polymer having a ketone group and an ether bond in a main chain. I do.
- the present invention provides the above resin composition, wherein the functional group is a carboxylic acid.
- the resin composition of the present invention can be used as an engineer plastic, and can be made conductive by including a conductive powder.
- the resin composition can have flexibility.
- a carbon nanotube modified with a functional group that undergoes a polymerization reaction with an aliphatic polymer having a ketone group and an ether bond in the main chain is used, a resin composition that is more densely composited is obtained.
- FIG. 1 is a diagram showing an infrared absorption spectrum of a mixture of glycerin and sulfuric acid in Example 1.
- FIG. 2 is a diagram showing an infrared absorption spectrum of the aliphatic polyether ketone obtained in Example 1.
- Figure 3 shows the infrared absorption spectrum of the aliphatic polyetheretherketone obtained in Example 2. It is a figure which shows a vector.
- FIG. 4 is a diagram showing an infrared spectrum of a block copolymer of an aliphatic polyester ketone and a polyether obtained in Example 3.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention is composed of two structural units represented by the following general formulas (1) and (2) as a basic skeleton. It is a polymer containing no aromatic ring.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention has, for example, a ketone group having a role of curing the polymer and an ether bond having a role of softening the polymer.
- shaku & and shaku 13 each independently represent a substituted or unsubstituted divalent aliphatic hydrocarbon group, and RC represents a substituted or unsubstituted terminal having an ether bond at the terminal.
- nl is an integer of 1 or more
- n2 is an integer of 0 or more
- nl + n2 indicates 2 to 1,000,000.
- nl + n2 which corresponds to the number of constituent units of the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention, is more preferably from 2 to 100. Is preferably 2 to 50.
- divalent aliphatic hydrocarbon group examples include aliphatic hydrocarbon groups having 1 to 20 carbon atoms, and may be any of linear, branched, and cyclic aliphatic hydrocarbon groups. It is preferably an aliphatic hydrocarbon group. Specific examples include an alkyl chain having 1 to 20 carbon atoms. Examples of the divalent aliphatic hydrocarbon group having an ether bond at a terminal include those having an ether bond (1 O 1) at the terminal of these aliphatic hydrocarbon groups.
- the substituents that can be substituted on the divalent aliphatic hydrocarbon group include one COOR, -COX, one MgX, —X, -OR, -NR'R 2 , one NCO, —NCS , One C ⁇ OH, one OH, one 0, one NH 2 , — SH, — SO s H, -R 'CHOH, one CHO, one CN, -CO SH, — SR, — S i R' 3 etc.
- R a and R b are a substituted or unsubstituted divalent aliphatic hydrocarbon group. Specifically, for example, —CH 2 —, one CHNH 2 —, —C (NH 2 ) 2 —, — CHCN—,-C (CN) 2 —, one CHOH—, one C (OH) 2- , one CO—, — CHSH—, — C (SH) 2 —, — CHC OOH—, one C (COOH ) 2 —, — CHX—, — C ⁇ 2 —, and these may be repeated or a combination thereof.
- X represents a halogen.
- R c include, in addition to a single bond, a substituted or unsubstituted divalent aliphatic hydrocarbon group having an ether bond at the terminal represented by one R c ′ —O—;
- R c ′ —O—;
- R c — CH 2 —, _ CH 2 —, — one CHNH 2 —, — C (NH 2 ) 2 —, — CHCN —, — C (CN) 2 —, — CHOH —, — C ( OH) 2- , — CHS H-, one C (SH) 2 —, one CHCOOH—,-C (COOH) 2 —, one CHX—, one CX 2 — May be combined.
- Rc'-O- repetition or a single Rc'- ⁇ -structure composed of different Rc's may be combined.
- X represents a halogen.
- the structural units represented by the general formulas (1) and (2) include, for example, structural units represented by the following structural formulas (1) and (2). Are preferred.
- Structural formula (1) Structural formula (2)
- a structural unit represented by the following structural formula (3) is also suitable.
- m is an integer of 1 to 20. The other structural unit is omitted because it is a structural formula in which a ketone group is replaced by a hydroxyl group.
- the structural unit represented by the general formula (1) includes a structural unit represented by the following structural formula. Since the structural unit represented by the general formula (2) is obtained by replacing the ketone group in the general formula (1) with a hydroxyl group, the description is omitted here.
- ml, m2, and m3 are each independently an integer of 1 to 20, and n1 is the sum of n2 and the number of structural formulas in which the omitted ketone groups are replaced with hydroxyl groups.
- n 2 is 2 or more;
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention has, as its terminal groups, one OH, —COOH, —COOR (R represents a substituted or unsubstituted hydrocarbon group), —COX (X is a halogen atom), — can be selected from the group consisting of NH 2 and NCO.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention preferably has a weight average molecular weight of 74 or more and 1,000,000 or less, more preferably 74 or more and 100,000 or less. And more preferably 74 or more and 500 or less.
- the aliphatic polymer having a ketone group and an ether bond in the main chain composed of the structural formulas (1) and (2) preferably has a weight average molecular weight of 74 or more and 80,000 or less. It is more preferably 74 or more and 800 or less, and even more preferably 74 or more and 400 or less.
- An aliphatic polymer having a ketone group and an ether bond in the main chain composed of a structure in which a ketone group in structural formulas (3) and (3) is replaced with a hydroxyl group has a weight average molecular weight of 230 to 25 It is preferably 0, 000 or less, more preferably
- the ratio of the ether bond to the ketone group is preferably from 0.01 to 100, more preferably 0.0 to 25.
- a ketone group improves the hardness of the polymer
- an ether group improves the flexibility of the polymer, as described below. Therefore, by adjusting the number of ketone groups and the number of ether groups in the resin composition of the present invention, it is possible to control the mechanical strength of the composition.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention is composed of two structural units represented by the general formulas (1) and (2). However, it may be configured such that only the general formula (1) is used as a repeating unit. Further, a polymer in which only the structural unit having the same structure is constituted as a repeating structural unit may be used, or a structural unit represented by general formula (1) having different structures of Ra, Rb, and Rc may be used. It may be a polymer.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention includes a structural unit represented by the general formula (1) and the general formula (2) and another structural unit (not including an aromatic group). (Structural unit).
- a polymer specifically, a polymer composed of a structural unit represented by the general formula (1) and the general formula (2) and a polyether represented by the following general formula (3), And block copolymers having these as elements (a block copolymer composed of a polyether ketone moiety, a moiety in which a ketone group of a polyether ketone is replaced with a hydroxyl group, and a polyether moiety).
- n 1, k and 1 are each independently an integer of 1 or more
- n 2 is an integer of 0 or more.
- Nl + n2 is an integer of 1 to 100 (preferably an integer of 1 to 500), and 1 is an integer of 1 to 100 (preferably an integer of 1 to 500).
- R and R 2 are each independently H or an alkyl group.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention may have a crosslinked structure.
- a crosslinked structure combining a ketone group and an ether bond it is possible to obtain a composition that is more mechanically and thermally stable.
- a cross-linked body obtained by cross-linking the structural unit represented by the general formula (1) with glycerin or an aliphatic diol is exemplified.
- a cross-linked body obtained by cross-linking the structural unit represented by the structural formula (1) with glycerin or an aliphatic diol compound is exemplified.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention becomes a chemically extremely stable polymer as it approaches a state containing no hydroxyl group.
- having a hydroxyl group results in a stable water-soluble gel polymer (polymer gel).
- This gel-like polymer is viscous and does not flow during application or formation, making it suitable for making films and structures.
- a resin composition comprising a polymer having a cross-linked structure can be easily obtained while being easily cured into a desired shape.
- the hydroxyl group may be chemically modified with a molecule having a functional group capable of reacting with the hydroxyl group.
- This hydroxyl group can be in a state where a hydroxyl group not completely synthesized as a ketone group remains in the structural unit represented by the general formula (1). That is, the aliphatic polymer of the present invention having a ketone group and an ether bond in the main chain can have a structural unit represented by the following general formula (4) in a chain constituting the polymer. Since the hydroxyl group remains without being completely synthesized as a ketone group, the structural unit represented by the following general formula (4) is partially replaced by the structural unit represented by the general formula (1). Having and becoming oi.
- R a and R b are each independently a substituted or unsubstituted divalent aliphatic hydrocarbon group
- R c is a substituted or unsubstituted divalent aliphatic group having an ether bond at a terminal. Shows a hydrocarbon group or a single bond.
- Ra, Rb, and Rc in the general formula (5) have the same meanings as Ra, Rb, and Rc in the general formula (1).
- the hydroxyl group may be contained in the structural unit represented by the general formula (1) and another structural unit constituting the block copolymer.
- a block copolymer of polyetherketone and polyether composed of the structural unit represented by the structural formula (2) (represented by the general formula (1)) (A polymer of a structural unit represented by the general formula (3) and a structural unit represented by the general formula (3)).
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention described above can be used as a constituent material typified by engineering plastics, and a resin composition containing this polymer is also suitable. Can be used.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention can be obtained, for example, by conducting a polymerization reaction using a polyhydric alcohol as a raw material in the presence of a catalyst. Since polyhydric alcohol can be used instead of petroleum, it can be obtained by a production method suitable for industrial production.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention is subjected to a dehydration reaction. And obtained by a polymerization reaction involving the oxidation reaction is a catalyst to cause such a reaction, sulfuric acid, nitric acid, hydrogen peroxide, Na 2 C r 2 0 7 , C r 0 3 C 1, and N You can choose from aOC1.
- sulfuric acid it is preferable to use sulfuric acid as a catalyst because the dehydration reaction and the oxidation reaction easily occur easily, and it is inexpensive and has excellent handleability.
- the amount (addition amount) of this catalyst is preferably from 0.1 to 10 mg, more preferably from 0.5 to 80 mg, based on the raw material lg. Yes, and more preferably 5 mg to 50 mg. If the amount of the catalyst is too small, the polymerization reaction hardly occurs, while if the amount is too large, the obtained plastic may foam. Conversely, when using as plastic in the fired state, it is sufficient to increase the catalyst.
- the polyhydric alcohol as a raw material is preferably a polyhydric alcohol having a secondary alcohol and a primary alcohol in one molecule.
- examples of such a polyhydric alcohol include glycerin, 1, 3, 5 -Tri hy drox yp entane, 1, 2, 4-Tri hy dro xyb utane, 1, 2, 6-T rihydroxyhexane
- the ketone group improves the hardness of the polymer
- the ether group improves the flexibility of the polymer. Therefore, it is possible to control the mechanical properties such as hardness of the polymer composition by adjusting the respective numbers. In other words, increasing the ratio of ether bonds in the polymer increases the flexibility of the polymer composition, and conversely, increasing the ratio of ketone groups increases the hardness of the polymer composition.
- ketone groups are formed only from the starting polyhydric alcohol.
- a polyhydric alcohol and a diol compound for example, ethylene glycol
- only ether bonds are generated from the diol compound.
- the ratio can be increased. Therefore, the flexibility of the polymer composition can be controlled by changing the mixing ratio of the polyhydric alcohol and the diol compound.
- polyhydric alcohol and the diol compound are converted as shown in the following reaction formula. If polymerized alternately, polyetheretherketone can be obtained.
- a water-soluble and stable gel-like substance can be obtained as an aliphatic polymer having a ketone group and an ether bond in the main chain as described above. It becomes.
- nitric acid or the like when used as a catalyst, since the boiling point of nitric acid is 120 ° C, it is heated at a temperature of 120 or more to completely feed the raw material (for example, glycerin diol).
- the raw material for example, glycerin diol.
- the above-mentioned catalyst In order to cause a polymerization reaction, it is preferable to use the above-mentioned catalyst and to heat it.
- the means for the heat treatment is not particularly limited, but heating by an electromagnetic wave is preferable in that the polymerization reaction can be efficiently caused.
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention can be obtained by the following reaction mechanism when explained using specific examples.
- the reaction proceeds by a dehydration condensation reaction between primary alcohols and an oxidation reaction of secondary alcohols as shown in the following reaction formula.
- the H 2 ⁇ molecule is eliminated from the two primary alcohols of the glycerin molecule by the dehydration of sulfuric acid, and an ether bond is formed.
- the oxidation reaction two hydrogen atoms are eliminated from the secondary alcohol H—C—OH to form a ketone group.
- the product at this time is an aliphatic polyether ketone.
- an unreacted hydroxyl group may be present as described above.
- this hydroxyl group is chemically modified with a molecule having a functional group capable of reacting with the hydroxyl group. It may be decorated. Further, dehydration condensation may be performed between a primary alcohol and a secondary alcohol, and further dehydration condensation may be performed between secondary alcohols.
- an aliphatic polymer having a ketone group and an ether bond in the main chain which can be used as a constituent material of a resin composition represented by engineering plastics, can be easily synthesized from inexpensive raw materials.
- the resin composition of the present invention contains a structural unit represented by the general formula (1) as a constituent element.
- a resin composition containing an aliphatic polymer having a ketone group and an ether bond in the main chain, an aliphatic resin having a ketone group and an ether bond in a gel-like main chain having a hydroxyl group It is a resin composition comprising a crosslinked structure cured by applying or molding a polymer (or a mixture with glycerin or aliphatic diol).
- the resin composition of the present invention can be used as various engineering plastics by changing the ratio between the ketone group and the ether group as described above.
- the shape is not particularly limited, and may be a molded article of any shape or a film.
- a film having a thickness of 1 nm to 1 mm for example, can be easily formed by applying an aliphatic polymer having a ketone group and an ether bond to a gel-like main chain having a hydroxyl group and then cross-linking the substrate. .
- the resin composition of the present invention may contain a conductive powder.
- the conductive powder may be contained in the resin composition, but is preferably contained in the aliphatic polymer having a ketone group and an ether bond in the main chain. By incorporating conductive powder, it can be used for electrodes (including electrodes for electrochemical measurements), electromagnetic shields, films, and other electrical components. Can.
- the conductive powder for example, fine metal particles of copper, gold, silver, and the like can be appropriately used.
- the conductive powder is not limited to a mode in which the conductive powder is uniformly dispersed in the resin composition.
- the concentration of the surface may be higher than that of other portions.
- carbon nanotubes can also be used as the conductive powder.
- Carbon nanotubes have not only high electrical conductivity but also thermal conductivity, and have both toughness and flexibility because they are gauge materials. For this reason, by including carbon nanotubes in the resin composition of the present invention, improvement in conductivity and flexibility can be obtained, and the resin composition can be applied to more various uses.
- a carbon nanotube in which a functional group that undergoes a polymerization reaction with an aliphatic polymer having a ketone group and an ether bond in the main chain is mixed with a polyhydric alcohol as a raw material of the polymer to form a polymer.
- the polyhydric alcohol When used as a raw material of a resin composition, when forming the polymer, the polyhydric alcohol is copolymerized and the substitution remaining between the polyhydric alcohol and the functional groups bonded to the carbon nanotubes or in the polymer. Polymerization can also occur between groups. Therefore, the formed polymer forms a resin composition having a complex structure of an aliphatic polymer having a ketone group and an ether bond in the main chain, a carbon nanotube, and a polymer of a polyhydric alcohol.
- ⁇ As a conductive powder, it has been modified with a functional group that undergoes a polymerization reaction with an aliphatic polymer having a ketone group and an ether bond in the main chain. Using carbon nanotubes. " Then, the resin composition thus obtained is in a state in which the polymer and the carbon nanotube are composited, so that it has high flexibility and high heat resistance.
- the functional groups that modify the carbon nanotube include one C ⁇ OR, one COX, —NCO (R is substituted or unsubstituted) And X represents a halogen atom.) If CO ⁇ H, which is relatively easy to modify carbon nanotubes, is selected, polymerization will occur densely and a structure with a higher degree of compounding can be formed. And the characteristics can be improved.
- carbon nanotubes even a single-walled carbon nanotube, The above multi-walled carbon nanotubes may be used. Which of the carbon nanotubes to use or the mixture of both may be appropriately selected.
- a variety of single-walled carbon nanotubes such as carbon nanohorns (horn-type ones whose diameter is continuously increased from one end to the other end), carbon nanocoils (a spiral shape as a whole)
- the outer periphery is covered with carbon nanobeads (having a tube at the center and penetrating spherical beads made of amorphous carbon, etc.), power-stacked nanotubes, and carbon nanohorn-diamorphic carbon.
- Carbon nanotubes that do not have a strictly tubular shape, such as carbon nanotubes, can also be used as carbon nanotubes.
- a carbon nanotube contains a metal or the like, and a metal-encapsulated nanotube, a fullerene, or a peapod nanotube in which a metal-encapsulated fullerene is contained in a carbon nanotube.
- Bonn nanotubes can also be used as carbon nanotubes.
- any form of carbon nanotubes, such as variants thereof, variously modified carbon nanotubes, and the like, is problematic in view of its reactivity. Can be used without. Therefore, the “carbon nanotube” in the present invention includes all of these in its concept.
- carbon nanotubes are dispersed in, for example, a polyhydric alcohol (eg, glycerin) as a raw material, and a catalyst (eg, sulfuric acid) is added.
- a polyhydric alcohol eg, glycerin
- a catalyst eg, sulfuric acid
- the purpose is to improve the dispersibility of the carbon nanotubes in the raw material polyhydric alcohol (hereinafter, glycerin is used as a representative raw material), and the polymer molecules and the carbon nanotubes form a chemical bond.
- glycerin is used as a representative raw material
- a functional group that undergoes a polymerization reaction with a polyhydric alcohol such as COOH or an aliphatic polymer having a ketone group and an ether bond in the main chain was added to the carbon nanotube. It is better to use one.
- the functional group is one COOR (R is a substituted or unsubstituted hydrocarbon group), and when glycerin is used as the polymer raw material, If two hydroxyl groups contribute to the chemical bond with the carbon nanotube— ⁇ 3 ⁇ 0112 2 ? 1011 ⁇ 11 2 0. 0_Pull is 00 CH 2 CH (OCO—) CH 2 OH, and if three hydroxyl groups contribute to crosslinking or chemical bonding with carbon nanotubes, COOCH 2 CH ( OCO—) CH 2 OCO—
- the chemical structure of the cross-linking site may be any chemical structure selected from the group consisting of the above two.
- a coating film of the mixed solution is formed on the entire surface of the substrate or a part of the surface.
- the applied film after this application is thermally cured to form a carbon nanotube film constituting a composite structure in which a plurality of carbon nanotubes and the polymer of the present invention are cross-linked to each other.
- the film-shaped carbon nanotube-containing resin composition layer is patterned into a pattern suitable for the purpose.
- the structure of the resin composition layer containing the carbon nanotubes has already been stabilized in the polymerization step, and the carbon nanotubes have been scattered in the powdering step in order to perform patterning in this state. It is possible to pattern into a pattern according to the purpose without fear that a trouble will occur.
- the patterning step includes the following two embodiments A and B.
- Aspect A The carbon nanotube-containing resin composition layer in a region other than the intended pattern on the substrate surface is dry-etched to remove the carbon nanotube structure layer in the region,
- the patterning step further includes a step of forming a mask layer (preferably, a photoresist or the like) on the carbon nanotube-containing resin composition layer in the region of the pattern according to the purpose.
- a mask forming step of providing a resin layer or a metal mask of the type described above, and dry etching is performed on the surface of the base on which the carbon nanotube-containing resin composition layer and the mask layer are laminated (preferably, radicals of oxygen molecules are removed). By irradiating the oxygen molecules with ultraviolet rays, the oxygen molecules generate oxygen radicals, which can be utilized.)
- the carbon nanotube-containing radicals that are exposed in regions other than the above regions can be used.
- the method further includes a resin layer peeling step of peeling the resin layer.
- the carbon nanotube-containing resin composition layer thus formed can be exposed.
- the operation of patterning into a pattern according to the purpose includes: ionizing gas molecules into the carbon nanotube-containing resin composition layer in a region other than the pattern according to the purpose on the substrate surface.
- Embodiment B A liquid obtained by dispersing carbon nanotubes in glycerin or the like on the surface of a substrate and adding a dehydration catalyst such as sulfuric acid (hereinafter referred to as a carbon nanotube dispersion liquid), or A printing step of dispersing carbon nanotubes in the gel polymer and adding a dehydration catalyst such as sulfuric acid to form a gel (hereinafter referred to as a carbon nanotube dispersion gel) and printing it on a pattern according to the purpose; A thermosetting step of thermosetting the liquid or the gel dispersed in the tube.
- a dehydration catalyst such as sulfuric acid
- a or B may be used.
- the resin composition of the present invention may be constituted by blending another polymer (for example, polyether) in addition to the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention. Moreover, the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention having a different structure (a structure having different R a, R b, and R c in the general formula (1)) may be blended. .
- another polymer for example, polyether
- the aliphatic polymer having a ketone group and an ether bond in the main chain of the present invention having a different structure a structure having different R a, R b, and R c in the general formula (1)
- the decomposition temperature is preferably from 300 ° C. to 600 ° C., and more preferably from 350 ° C. to 600 ° C.
- the decomposition temperature can be measured by thermogravimetric analysis.
- the elastic modulus is preferably from 0.1 GPa to 1000 GPa, more preferably from 1 GPa to 100 GPa.
- the elastic modulus can be measured by applying stress to the sample to determine the stress and then determining the strain.
- the conductivity 1 0- 15 SZcm ⁇ 1 0 0 S / cm and is more preferably 1 0- 1D S / cm ⁇ 1 00 S / cm.
- the conductivity can be obtained by measuring the current-voltage characteristics of the sample and the cross-sectional area of the sample.
- Example 1 an aliphatic polyetherketone in which carbon nanotubes were dispersed was prepared in the same manner as in Example 1 except that 0.15 g of a carboxylic acid-modified carbon nanotube was used as a raw material. obtain.
- a carboxylic acid-modified carbon nanotube is synthesized as follows. Multi-layer carbon nanotube powder (purity 90%, average diameter 30 nm, average length 3 m; manufactured by Science Laboratory) 30 mg is added to concentrated nitric acid (60 mass% aqueous solution, manufactured by Kanto Kagaku) 20 ml and the temperature is 120 ° C Reflux for 20 hours under the conditions described above to synthesize carbon nanotube carboxylic acid.
- Example 2 was repeated in the same manner as in Example 2 except that 0.15 g of a carboxylic acid-modified carbon nanotube (a carbon nanotube produced in the same manner as in Example 11) was used as a raw material.
- a carboxylic acid-modified carbon nanotube a carbon nanotube produced in the same manner as in Example 11
- Example 2 an aliphatic polyetheretherketone in which carbon nanotubes are dispersed is obtained.
- Example 3 is the same as Example 3 except that 0.15 g of a carboxylic acid-modified carbon nanotube (a carbon nanotube prepared in the same manner as in Example 1-1) is used as a raw material.
- a block copolymer comprising aliphatic polyether ketone and polyether in which carbon nanotubes are dispersed is obtained.
- Example 3-1 in place of concentrated sulfuric acid, in the same manner as in Example 3 except that concentrated nitric acid (60% by mass aqueous solution, manufactured by Kanto Kagaku) was used, a block copolymer consisting of an aliphatic polyether ketone, an OH-containing polyester and obtain.
- This block copolymer is a gel-like substance.
- the aliphatic polyether ketone moiety in the block copolymer has a structure in which a ketone group is partially replaced with a hydroxyl group (a structure represented by the general formula (5)).
- the gel-like substance After applying this gel-like substance on a substrate, the gel-like substance is heated at 150 ° C. to obtain a film-like plastic structure. This makes it possible to easily obtain a film-shaped plastic structure having the same characteristics as in Example 3-1.
- an aliphatic polymer having a ketone group and an ether bond in a main chain that can be used as a constituent material of a composition represented by an engineering plastic. Further, a resin composition containing an aliphatic polymer having a ketone group and an ether bond in the main chain can be provided.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polyethers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/567,907 US7528215B2 (en) | 2003-10-31 | 2004-04-30 | Aliphatic polymer having ketone group and ether bonding in its main chain and resin composition containing the same |
CN2004800322438A CN1875049B (zh) | 2003-10-31 | 2004-04-30 | 在主链上具有酮基和醚键的脂肪族聚合物及树脂组合物 |
EP04730740.0A EP1679334B1 (en) | 2003-10-31 | 2004-04-30 | Aliphatic polymer having ketone group and ether bonding in main chain, and resin composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-373288 | 2003-10-31 | ||
JP2003373288A JP2005133034A (ja) | 2003-10-31 | 2003-10-31 | 脂肪族ポリエーテルケトン類ポリマー、および樹脂組成物 |
Publications (1)
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WO2005042618A1 true WO2005042618A1 (ja) | 2005-05-12 |
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PCT/JP2004/006338 WO2005042618A1 (ja) | 2003-10-31 | 2004-04-30 | 主鎖にケトン基とエーテル結合を有する脂肪族ポリマー、および樹脂組成物 |
Country Status (6)
Country | Link |
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US (1) | US7528215B2 (ja) |
EP (1) | EP1679334B1 (ja) |
JP (1) | JP2005133034A (ja) |
KR (1) | KR100777357B1 (ja) |
CN (1) | CN1875049B (ja) |
WO (1) | WO2005042618A1 (ja) |
Families Citing this family (5)
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US8545790B2 (en) * | 2005-06-04 | 2013-10-01 | Gregory Konesky | Cross-linked carbon nanotubes |
EP2080778A4 (en) * | 2006-10-31 | 2012-03-07 | Mitsui Chemicals Inc | POLYETHEROL POLYOL, POLYURETHANE-HARD JET AND MANUFACTURING METHOD THEREFOR |
JP5567598B2 (ja) * | 2009-01-20 | 2014-08-06 | アーケマ・インコーポレイテッド | 高性能コネクター |
US8465910B2 (en) * | 2010-07-06 | 2013-06-18 | Massachusetts Institute Of Technology | Hybrid lithographic method for fabricating complex multidimensional structures |
ES2435801B1 (es) * | 2012-06-20 | 2014-11-11 | Nanozar, S.L. | Procedimiento para la obtención de un material compuesto formado por nanomaterial de carbono y poliéter éter cetona |
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Also Published As
Publication number | Publication date |
---|---|
CN1875049A (zh) | 2006-12-06 |
EP1679334A4 (en) | 2006-10-25 |
KR20060089746A (ko) | 2006-08-09 |
US7528215B2 (en) | 2009-05-05 |
EP1679334A1 (en) | 2006-07-12 |
US20060287470A1 (en) | 2006-12-21 |
KR100777357B1 (ko) | 2007-11-28 |
EP1679334B1 (en) | 2013-08-28 |
CN1875049B (zh) | 2010-05-05 |
JP2005133034A (ja) | 2005-05-26 |
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