WO2007129368A1 - 樹脂組成物およびそれを用いた多層構造体 - Google Patents
樹脂組成物およびそれを用いた多層構造体 Download PDFInfo
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- WO2007129368A1 WO2007129368A1 PCT/JP2006/308670 JP2006308670W WO2007129368A1 WO 2007129368 A1 WO2007129368 A1 WO 2007129368A1 JP 2006308670 W JP2006308670 W JP 2006308670W WO 2007129368 A1 WO2007129368 A1 WO 2007129368A1
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
- C08L23/0861—Saponified vinylacetate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or 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 alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/80—Medical packaging
Definitions
- the present invention relates to a resin composition comprising a novel ethylene butyl alcohol copolymer (A) and a polyamide resin (B), and a multilayer structure using the same.
- the present invention relates to a resin composition and a multilayer structure excellent in retort resistance at high temperature, gas noriability, and pinhole resistance after retort.
- an ethylene butyl alcohol copolymer (hereinafter abbreviated as EVOH) is excellent in transparency, gas noria, aroma retention, solvent resistance, oil resistance, and the like. It is used in various packaging materials such as food packaging materials, pharmaceutical packaging materials, industrial chemical packaging materials, and agricultural chemical packaging materials.
- EVOH is hydrophilic when it is exposed to treatments such as boil sterilization and retort sterilization, that is, when exposed to high temperature and high humidity conditions, by sealing food in strong packaging materials.
- it has the disadvantage that a large amount of moisture intrudes and generates voids in EVOH, which causes whitening to deteriorate the appearance and decrease the performance of the nozzle.
- Patent Document 1 JP 54-078749 A
- Patent Document 2 JP 54-078750 A
- X is a bonding chain and is an arbitrary bonding chain excluding an ether bond
- R1 to R4 are each independently an arbitrary substituent
- n represents 0 or 1.
- the structural unit (1) is introduced into the main chain of EVOH by copolymerization, and the content of the structural unit (1) is 0.1 to 30 mol of all EVOH. % And further containing a boron compound are preferred embodiments.
- the resin composition of the present invention comprises EVOH (A) and polyamide-based resin (B), and EVOH (A) has a specific structural unit. Excellent in gas noria After the retort treatment, a resin composition having good pinhole resistance and a multilayer structure using the same can be obtained.
- FIG. 1 is a 1 H-NMR chart before EVOH saponification obtained in Polymerization Example 1.
- FIG. 2 is a 1 H-NMR chart of EVOH obtained in Polymerization Example 1.
- EVOH (A) used in the present invention is EVOH containing the above structural unit (1), that is, a structural unit having a 1,2-glycol bond, and its molecular chain and 1,2-glycol bond.
- bond chain (X) that binds to the structure any bond chain other than an ether bond can be applied, and the bond chain is not particularly limited, but includes alkylene, alkylene, and alkylene.
- hydrocarbons such as phenylene and naphthylene (these hydrocarbons may be substituted with halogens such as fluorine, chlorine and bromine), CO COCO CO (CH) CO CO (CH) CO S CS SO
- OAl (OR) 0—, etc. R is independently an optional substituent, hydrogen atom or alkyl group is preferred, and m is a natural number
- the ether bond is at the time of melt molding. It is not preferable in that it decomposes and the heat-melting stability of the resin composition decreases.
- alkylene is preferable as the bond type from the viewpoint of thermal melting stability, and further alkylene having 5 or less carbon atoms is preferable.
- a resin having a smaller number of carbon atoms is preferred in that the gas nolia performance of the resin composition is good.
- R1 to R4 are arbitrary substituents, and are not particularly limited, but hydrogen atoms and alkyl groups are preferred in terms of easy availability of monomers, and further, hydrogen atoms are preferred for the gas composition of the resin composition. Preferred in terms of being good
- the method for producing EVOH (A) used in the present invention is not particularly limited.
- a structural unit in which a 1,2-glycol bond structure is directly bonded to the main chain which is a preferred structure, a copolymer obtained by copolymerizing 3,4 diol 1-butene, a butyl ester monomer, and ethylene.
- a method of saponification a method of saponifying a copolymer obtained by copolymerization of 3,4 dihydroxy 1-butene, a butyl ester monomer, and ethylene, 3 acryloxy 4 ol 1-butene, a butyl ester monomer and A method of saponifying a copolymer obtained by copolymerization of ethylene and ethylene, a method of saponifying a copolymer obtained by copolymerizing 4-siloxy-3-ol 1-butene, a butyl ester monomer and ethylene, 3, 4 Dioxymethyl 2-methyl-1-butene, vinyl ester monomer, and copolymer obtained by copolymerization with ethylene Method, a method of kenning a copolymer obtained by copolymerizing 2,2 dialkyl-4 bulle 1,3 dixolane, a butyl ester monomer and ethylene, and biethylene carbonate, a butyl ester monomer and ethylene.
- Examples thereof include a method of saponifying and decarboxylating a copolymer obtained by copolymerization.
- those having alkylene as the linking chain (X) include 4,5 diol 1 pentene, 4,5 diacyloxy 1 pentene, 4,5 diol 3-methyl-1 pentene, 4,5 diol 3 -methyl-1 pentene, 5, 6 Diols 1 hexene, 5, 6 diaxyloxy 1 hexene, etc., butyl saponified monomers and ethylene, copolymerization obtained by copolymerization The method in which a copolymer obtained by copolymerizing a vinyl ester monomer and ethylene is preferred because of its excellent copolymerization reactivity.
- 3, 4 diacetoxy 1-butene is preferred as 3, 4 diacetoxy 1-butene. Is preferably used. A mixture of these monomers may also be used. Further, 3,4 diacetoxy 1-butane, 1,4 diacetoxy-1-butene, 1,4 diacetoxy-1-butane and the like may be contained as a small amount of impurities. Further, the force described below for the powerful copolymerization method is not limited to this.
- the 3,4 diol-1-butene is represented by the following formula (2)
- the 3,4 dioloxy-1-butene is represented by the following formula (3)
- the 3-siloxy-4 all 1-butene is represented by the following formula (4)
- the 4-butyloxy-3-one-butene is represented by the following formula (5). [0012] [Chemical 2]
- R is an alkyl group, preferably a methyl group.
- R is an alkyl group, preferably a methyl group.
- R is an alkyl group, preferably a methyl group.
- the compound represented by the above formula (2) can be obtained from Eastman Chemical Co., and the compound represented by the above formula (3) can be obtained from Eastman Chemical Co., Ltd.
- bull ester monomer formate, acetate, bipropionate, valerate, butyrate, isobutyrate, pivalate, caprate, laurate, stearate
- examples thereof include benzoic acid bull and versatic acid bull.
- bull acetate is preferably used.
- the charging method of the monomer component at the time of copolymerization is not particularly limited, and any method such as batch charging, split charging, continuous charging, etc. may be employed.
- normal ethylene pressure polymerization may be carried out, and the amount introduced can be controlled by the pressure of ethylene. Is usually selected from the range of 25-80 kg / cm 2 .
- Examples of the solvent used for intensive copolymerization usually include lower alcohols such as methanol, ethanol, propanol and butanol, and ketones such as acetone and methyl ethyl ketone. Are preferably used.
- a polymerization catalyst is used.
- a known radical polymerization catalyst such as azobisisobutyl-tolyl, peroxide acetyl, benzoyl peroxide, lauryl peroxide, or Oxyneodecanoate, t-butylperoxypivalate, a, ⁇ , bis (neodecanol baroxy) diisopropylbenzene, cumylperoxyneodecanoate, 1, 1, 3, 3, tetramethylbutylperoxy Neode Kanoeto, par Okishiesuteru such as 1 Shikuro to Kishiru 1 methyl E chill Per O carboxymethyl neodecanoate, key Silver O carboxymethyl neodecanoate to t, key Silver O carboxymethyl pivalate to t one, di n - propyl Peroxydicarbonate, di-iso propyl
- the reaction temperature for the copolymerization reaction is preferably selected from the range of 40 ° C to the boiling point depending on the solvent and pressure used.
- the hydroxylatatatone that is preferred in terms of improving the color tone of the rosin composition obtained by allowing the hydroxylatatatone compound or hydroxycarboxylic acid to coexist with the above catalyst (approaching colorlessness).
- a compound it has a rataton ring and a hydroxyl group in the molecule.
- the compound is not particularly limited, and examples thereof include L-ascorbic acid, erythorbic acid, dalcono deltalatatane, and the like. L-ascorbic acid and erythorbic acid are preferably used.
- the acid include glycolic acid, lactic acid, glyceric acid, malic acid, tartaric acid, citrate, salicylic acid, and the like, and preferably citrate is used.
- the amount of the hydroxylatatone compound or hydroxycarboxylic acid used is 0.0001 to 0.1 parts by weight (100 parts by weight of vinyl ester monomer) in both batch and continuous systems ( Furthermore, if the amount used is 0.005 to 0.05 parts by weight (particularly 0.001 to 0.03 parts by weight), the coexistence effect is not sufficiently obtained. On the other hand, if the amount exceeds 0.1 parts by weight, polymerization of the butyl ester monomer is inhibited, which is not preferable.
- a powerful compound into the polymerization system it is usually an aliphatic ester (methyl acetate) containing a lower aliphatic alcohol (methanol, ethanol, propanol, tert-butanol, etc.) or a butyl ester monomer. , Ethyl acetate, etc.) or a solvent such as water or a mixed solvent thereof and charged into the polymerization reaction system.
- the amount of 3,4-dioxy xybutene etc. charged may be determined in accordance with the desired amount of the structural unit (1) introduced.
- olefins such as propylene, 1-butene and isobutene
- unsaturated acids such as acrylic acid, methacrylic acid, crotonic acid, (anhydrous) phthalic acid, (anhydrous) maleic acid and (anhydrous) itaconic acid, or salts thereof.
- mono- or dialkyl esters having 1 to 18 carbon atoms acrylamide, N-alkyl acrylamides having 1 to 18 carbon atoms, N, N-dimethylacrylamide, 2-acrylamidopropane sulfonic acid or salts thereof, and acrylamidopropyldimethylamine.
- acrylamide such as its acid salt or its quaternary salt, methacrylamide, N-alkyl methacrylamide having 1 to 18 carbon atoms, N , N-dimethylmethacrylamide, 2-methacrylamide propanesulfonic acid or its salt, methacrylamide such as methacrylamideamidopropylamine or its acid salt or its quaternary salt, N-butyrrolidone, N-bi- N-Buramides such as formamide, N-Bulacetoamide, cyanide burs such as acryl-tolyl and methacryl-tolyl, alkyl butyl ethers having 1 to 18 carbon atoms
- Vinyl ethers vinyl chloride, vinylidene chloride, vinyl fluoride, vinylidene fluoride, vinyl bromide and other halogenated burs, bursilanes, allylic acetate, allylic chloride, allylic alcohol, dimethylallyl alcohol, Examples include trimethyl- (3-acrylamide-3-dimethylpropyl) -ammonium chloride, acrylamide-2-methylpropanesulfonic acid, glycerol monoallyl ether, and ethylene carbonate.
- N-acrylamidomethyltrimethylammonium chloride N-acrylamidoethyltrimethylammonium chloride, N-acrylamidopropyltrimethylammonium chloride, 2-ataryloxetyltrimethylammonium chloride, 2-methacrylochichetyl Trimethylammonium chloride, 2-hydroxy-1,3-methacryloyloxypropyltrimethylammonium chloride, allyltrimethylammonium chloride, methallyltrimethylammonium chloride, 3-butenetrimethylammonium chloride, dimethyldiarylammo- Cationic group-containing monomers such as um chloride and jetyl diallyl ammonium chloride, and acetoacetyl group-containing monomers are also included.
- butyl silanes include butyl trimethoxy silane, butyl methyl dimethoxy silane, vinyl dimethyl methoxy silane, vinyl triethoxy silane, vinyl methyl jetoxy silane, vinyl dimethyl ethoxy silane, vinyl isobutyl dimethoxy silane, bulethi vinyl tributoxy.
- Silane vinyl methoxydihexyloxy silane, burdimethoxy hexyloxy silane, vinyl trihexyloxy silane, vinyl methoxy dioxy xy silane, bur di methoxy dioxy xy silane, butyl trioctyl oxy silane, butyl methoxy di uroxy silane, bul Examples thereof include dimethoxylauryloxysilane, butylmethoxydiole xysilane, and burdimethoxydiolate xysilane.
- the alkaline catalyst or the catalyst obtained in the state where the copolymer obtained above is dissolved in alcohol or hydrous alcohol is used. It is carried out using an acid catalyst.
- Alcohol includes methanol and ethanol
- methanol which includes propanol, tert-butanol and the like, is preferably used.
- concentration of the copolymer in the alcohol is appropriately selected according to the viscosity of the system, but usually a range force of 10 to 60% by weight is also selected.
- Catalysts used in KENY include alkali metal hydroxides and alcoholates such as sodium hydroxide, potassium hydroxide, sodium methylate, sodium ethylate, potassium methylate and lithium methylate.
- Acid catalysts such as alkali catalysts, sulfuric acid, hydrochloric acid, nitric acid, metasulphonic acid, zeolite, cation exchange resin are listed.
- the amount of the strong ken-y catalyst used is appropriately selected depending on the ken-y method, the target ken-y degree, etc. However, when an alkali catalyst is used, the butyl ester monomer and 3, 4 disiloxy are usually used. Appropriate amount is 0.001 to 0.1 equivalent, preferably 0.005 to 0.05 equivalent based on the total amount of monomers such as 1-butene. With regard to the powerful saponification method, batch oxidation, continuous oxidation on the belt, and continuous oxidation of the tower type are possible depending on the target acidity, etc., and the amount of alkali catalyst at the time of hatching can be reduced.
- columnar acid is preferably used under constant pressure.
- the pressure during saponification cannot be generally stated depending on the desired ethylene content, but a range force of 2 to 7 kgZcm 2 is also selected, and the temperature at this time is 80 to 150 ° C, preferably 100 to 130 ° C. Power is also selected.
- EVOH (A) having the structural unit (1) structural unit having a 1,2 glycol bond
- the obtained EVOH E Ji Ren content and degree of saponification of (a) is not particularly limited, from 10 to 60 mol of ethylene content 0/0 (further 20 to 50 mole 0/0, especially 25-48 mol 0 / 0), the degree of saponification 90 mole 0/0 or more (further gas barrier property when high humidity moldings are Tokura is less than 95 mol% or more) to it is preferred instrument the ethylene content of 10 mol% In contrast, when it exceeds 60 mol%, the gas noriability of the molded product tends to decrease, and when the Ken degree is less than 90 mol%, the gas barrier property and moisture resistance of the molded product are reduced. Tends to decrease, which is preferable.
- the amount of the structural unit having 1,2 glycol bond introduced into EVOH (A) is not particularly limited, but is 0.1 to 50 mol% (more preferably 0.5 to 40 mol%). (In particular, 1 to 30 mol%) is preferable. If the amount introduced is less than 0.1 mol%, the effect of the present invention is sufficient. On the other hand, if it exceeds 50 mol%, the gas nooricity tends to decrease.
- the amount of structural units having 1,2-glycol bonds it is also possible to adjust by blending at least two types of EVOH having different introduction amounts of structural units having 1,2 glycol bonds. . Further, at least one of them may or may not have a structural unit having a 1,2-glycol bond.
- the 1,2-glycol bond amount can be calculated by weight average, and the ethylene content can also be calculated by weight average.
- EVOH (A) having the structural unit (1) obtained by the intensive method can be used as it is, but further within the range not impairing the object of the present invention, acids such as acetic acid and phosphoric acid, Addition of a metal salt such as an alkali metal, alkaline earth metal, or transition metal, or boric acid or a metal salt thereof as a boron compound is preferable in terms of improving the thermal stability of the resin.
- the amount of acetic acid added is 0.001 to 1 part by weight per 100 parts by weight of EVOH (A) in the resin composition (more preferably 0.005 to 0.2 part by weight, especially 0). 010-0. 1 part by weight) If the added amount is less than 0.001 part by weight, the effect of the content may not be sufficiently obtained. The appearance of the resulting molded product tends to deteriorate, which is not preferable.
- boric acid metal salts include calcium borate, cobalt borate, zinc borate (zinc tetraborate, zinc metaborate, etc.), aluminum borate potassium, and ammonium borate (metaphosphoric acid).
- borate minerals such as borax, carbite, inoite, agateite, suianite, zyberite, etc.
- Borax boric acid, sodium borate (sodium metaborate, sodium diborate, sodium tetraborate, sodium pentaborate, sodium hexaborate, sodium octaborate, etc.).
- the amount of boron compound added is 0.001 to 1 part by weight (more preferably 0.002 to 0.2 part by weight, especially 0 part by weight) with respect to 100 parts by weight of all EVOH in the composition. 005 to 0.1 part by weight), it is preferable to add less than 0.001 part by weight. If the amount exceeds 1 part by weight, the effective effect may not be obtained. The appearance of the molded product tends to be bad, which is preferable.
- strong metal salts include organic acids such as acetic acid, propionic acid, butyric acid, lauric acid, stearic acid, oleic acid, and behenic acid, such as sodium, potassium, calcium, and magnesium, and sulfuric acid.
- metal salts of inorganic acids such as sulfurous acid, carbonic acid, and phosphoric acid are preferable, and acetate, phosphate, and hydrogen phosphate are preferable.
- the addition amount of the metal salt is 0.0005 to 0.1 parts by weight in terms of metal with respect to 100 parts by weight of EVOH (A) in the resin composition. ⁇ ⁇ Especially, it should be 0.
- a method of adding acids or metal salts thereof to EVOH (A) ! there is no particular limitation, and a) a porous precipitate of EVOH (A) having a water content of 20 to 80% by weight, A method in which the acid or its metal salt is brought into contact with an aqueous solution of the acid or its metal salt, and then dried.
- Examples of the method include adjusting the amount of residual acids such as acetic acid and by-product alkali metal salts such as sodium acetate and potassium acetate by washing with water.
- the method of a), b) or b), which is excellent in dispersibility of acids and metal salts thereof, is preferred.
- the EVOH composition (A) obtained by the above methods a), i) or o) is dried after a salt or a metal salt is added thereto.
- dryers for fluidized drying include cylinders, grooved agitation dryers, circular tube dryers, rotary dryers, fluidized bed dryers, vibrating fluidized bed dryers, and cone rotations.
- a dryer for performing static drying a batch type box dryer is used as a stationary material type, and a band dryer, a tunnel dryer, a rigid dryer is used as a material transfer type. Examples include mold dryers, but are not limited to these. It is also possible to combine fluidized drying and stationary drying.
- Air or an inert gas (nitrogen gas, helium gas, argon gas, or the like) is used as the heating gas used in the drying treatment, and the temperature of the heating gas is 40 to 150 ° C. It is preferable in terms of preventing thermal degradation of EVOH.
- the time required for the drying treatment is a force that depends on the water content of EVO H and its treatment amount, usually 15 minutes to 72 hours. It is preferred in terms of productivity and prevention of thermal degradation of EVO H.
- the ability of the EVOH composition (A) to be subjected to a drying treatment under the above-mentioned conditions The water content after the drying treatment is 0.001 to 5% by weight (more preferably 0.01 to 2% by weight, especially 0.1). ⁇ 1 part by weight) If the water content is less than 0.001% by weight, long-run moldability tends to decrease. Conversely, if it exceeds 5% by weight, foaming may occur during extrusion molding. There is not preferable.
- the powerful EVOH composition (A) has a certain amount of monomer residues (3,4 diol 1-butene, 3, 4 diasiloxy 1-butene, 3 to the extent that the object of the present invention is not impaired. — Acyloxy-4 all 1-butene, 4-siloxy 3 all 1-butene, 4, 5 diol 1 pentene, 4, 5 disiloxy 1 pentene, 4, 5 diol 3—methyl-1 pentene, 4, 5 diol-3—methyl-1 pentene, 5, 6 diol-1 hexene, 5, 6 diacyloxy 1 hexene, 4, 5 diacyloxy-2-methyl-1-butene, etc.
- the EVOH used in the present invention is a blend of EVOH containing the structural unit (1) and other EVOH different from this, from the viewpoint of improving the gas nooricity and pressure resistance.
- Other EVOHs that may be preferred include those with different structural units, those with different ethylene contents, those with different key degrees, and those with different molecular weights.
- Examples of EVOH that is different from EVOH having the structural unit (1) include EVOH, which only has an ethylene structural unit and a butyl alcohol structural unit, and a functional group such as a 2-hydroxyethoxy group in the side chain of EVOH. EVOH can be mentioned.
- the structural units may be the same or different, but the ethylene content difference is 1 mol% or more (more than 2 mol%, especially 2 ⁇ 20 mol%). If the excessive ethylene content difference is too large, transparency may be deteriorated, which is not preferable.
- 60g is not particularly limited, but when the melt flow rate is less than the above range, 0.1 to 100 gZlO content (more preferably 0.5 to 50 g ZlO content, especially 1 to 30 gZlO content) is preferable. There is a tendency for the extrusion process to become difficult due to high torque in the extruder during molding. If the ratio is larger than the above range, the appearance and gas barrier properties at the time of heat-stretching molding tend to decrease, which is preferable.
- polyamide-based resin (B) used in the present invention examples include polycarbamide (nylon 6), poly ⁇ -aminoheptanoic acid (nylon 7), poly ⁇ -aminononanoic acid (nylon 9), polydecanamide ( Nylon 11), polylauryl ratatam (nylon 12), polyethylene diamine adipamide (nylon 26), polytetramethylene adipamide (nylon 46), polyhexamethylene adipamide (nylon 66), polyhexamethylene sebaca Nylon (Nylon 610), Polyhexamethylene Dodecamide (Nylon 612), Polyoctamethylene Azinamide (Nylon 86), Polydecamethylene Adipamide (Nylon 108), Power Prolatatum ⁇ Lauryl Ratatam Copolymer (Nylon 6-12) ), Force prolatatam ⁇ ⁇ -aminononanoic acid copolymer (nylon 6 ⁇ 9), force prolatatam ⁇ hexame Chiren
- the terephthalamide copolymer is a compound obtained by modifying these polyamide-based resins with an aromatic amine such as methylenebenzylamine or metaxylenediamine, or a force that includes a metaxylylenediamine adipate.
- Polyamide ⁇ the terminal in Amino groups is adjusted is preferably used.
- a strong proamide is the main constituent unit, and the terminal carboxyl group content [X] and terminal amino group content are obtained using a terminal regulator.
- the quantity [ ⁇ ] satisfies ⁇ (100 ⁇ [ ⁇ ]) ⁇ ([ ⁇ ] + [ ⁇ ]) ⁇ ⁇ 5 (where [X] and [ ⁇ ] are in units of eq / g polymer)
- Examples of the terminal regulator in the above include carboxylic acids having 2 to 23 carbon atoms, and 2 to 20 carbon atoms. Diamine is used.
- monocarboxylic acids having 2 to 23 carbon atoms include aliphatic monostrength rubonic acids (acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, enanthic acid, strong prillic acid, strong puric acid, pelargonic acid, undecanoic acid.
- Lauric acid tridecanoic acid, myristic acid, myretic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, araquinic acid, behenic acid, etc.), alicyclic monocarboxylic acid (cyclohexanecarboxylic acid, methylcyclohexane) Strength rubonic acid) and aromatic monocarboxylic acids (benzoic acid, toluic acid, ethylbenzoic acid, phenylacetic acid, etc.).
- diamines having 2 to 20 carbon atoms examples include aliphatic diamines [ethylene diamine, trimethylene diamine, tetramethylene diamine, pentamethylene diamine, hexamethylene diamine, otamethylene diamine, decamethylene.
- alicyclic diamine [cyclohexane diamine, bis 1 (4,4′-aminocyclohexyl) methane etc.], aromatic diamine (xylylenediamine etc.) and the like.
- aliphatic dicarboxylic acids malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, dodecanedioic acid, tetradecanedioic acid Hexadecanedioic acid, hexadecenedioic acid, octadecanedioic acid, octadecenedioic acid, eicosadioic acid, eicosendioic acid, docosandioic acid, 2, 2, 4 trimethyladipic acid, etc.), alicyclic dicarboxylic acid (1, 4 cyclohexanedicarboxylic acid, etc.) and aromatic dicarboxylic acids (terephthalic acid, isophthalic acid, phthalic acid, xylylene dicarboxylic acid, etc.)
- the degree of polymerization of the polyamide-based resin (B) is not particularly limited, but is 1.7 to 5.0, particularly 2.0 to 5.0 in terms of relative viscosity measured according to JIS K6810. It is preferable that
- polystyrene resin (B) As the polymerization method of the polyamide-based resin (B), a melt polymerization, an interfacial polymerization, a solution polymerization, a bulk polymerization, a solid phase polymerization, or a combination thereof can be employed. Further, as the polyamide raw material, ⁇ -one-prolactam is particularly preferable from the viewpoint that better boil resistance and retort resistance can be obtained.
- the resin composition of the present invention contains the above EVOH (resin) and polyamide-based resin (resin).
- the content ratio of EVOH (A) and polyamide-based resin (B) in a powerful resin composition is not particularly limited. 95 / 5-60 / 40 (95 / 5-65 / 35, In particular, if the content ratio is over 95/5, it is likely that the appearance and gas-nore properties after retort processing will decrease. On the other hand, if it is less than 60 to 40, the gas barrier property tends to decrease, which is preferable.
- the method of blending EVOH ( ⁇ ) and polyamide-based rosin ( ⁇ ) for obtaining the rosin composition of the present invention is not particularly limited, but is melt-mixed in that uniform mixing is possible. The method is preferred.
- a known kneading apparatus such as a kneader ruder, an extruder, a mixing roll, a Banbury mixer, a plast mill, etc. can be used. It is industrially preferable to use a shaft extruder, and it is also preferable to provide a vent suction device, a gear pump device, a screen device, etc. as necessary.
- a vent suction device such as pyrolytic low molecular weight substances
- one or more vent holes are provided in the extruder and suction is performed under reduced pressure to prevent oxygen from entering the extruder. Therefore, by continuously supplying an inert gas such as nitrogen into the hopper, it is possible to obtain a high-quality rosin composition with reduced thermal coloring and thermal deterioration.
- the rosin composition of the present invention obtained by force can be used for melt molding or the like as it is.
- the reinforced resin composition does not impair the object of the present invention.
- saturated aliphatic amides e.g. stearic acid amides
- unsaturated fatty acid amides e.g. oleic acid amides
- bis fatty acid amides e.g. ethylene bisstearic acid amides
- fatty acid metal salts e.g.
- low molecular weight Lubricants such as polyolefin (for example, low molecular weight polyethylene having a molecular weight of about 500 to 10,000, or low molecular weight polypropylene), inorganic salts (for example, hydrated talcite), plasticizers (for example, ethylene glycol, glycerin, hexanediol, etc.) Aliphatic polyhydric alcohols, etc.), oxygen absorbers (for example, reduced oxygen powders as inorganic oxygen absorbers, water absorbents and electrolytes added to them, aluminum powder, potassium sulfite, photocatalytic titanium oxide
- organic compound-based oxygen absorbers ascorbic acid, fatty acid esters and metal salts thereof, hydroquinone, gallic acid, polyhydric phenols such as hydroxyl group-containing phenol aldehydes, bis-salicylaldehyde-imine cobalt, Tetraethylene bentamine cobalt, cobalt
- a coordinated conjugate of a nitrogen-containing resin and a transition metal eg, a combination of MXD nylon and cobalt
- a blend of a tertiary hydrogen-containing resin and a transition metal eg, polypropylene and Cobalt
- carbon-carbon unsaturated bond-containing blends with transition metals eg, polybutadiene and cobalt
- photo-oxidative decay resins eg, polyketones
- anthraquinone polymers eg, polybules
- Anthraquinone etc.
- photoinitiators benzophenone, etc.
- peroxide supplements commercially available antioxidants, etc.
- deodorants activated carbon
- the brilliant rosin composition that can be used to obtain the rosin composition of the present invention is useful for molded products, and is particularly useful for melt molding.
- the molded product include single-layered or multilayered (laminated) films, sheets, containers, tubes, and the like.
- Examples of the lamination method when laminating with other base materials include the resin composition of the present invention.
- a method of melt-extrusion laminating another substrate on a film, sheet, etc. conversely, a method of melt-extrusion laminating the resin on another substrate, a method of co-extrusion of the resin and another substrate, A resin (layer) and another substrate (layer) are combined with an organic titanium compound, an isocyanate compound, a poly
- the method include dry lamination using a known adhesive such as an ester compound or a polyurethane compound, and a coextrusion method is preferable in that a multilayer structure (laminate) can be easily prepared. .
- the coextrusion method includes known methods such as a multi-hold hold die method, a feed block method, a multi-slot die method, and an external die bonding method.
- T dies and round dies are preferred. T dies are preferable in that they can be further cooled by immediately cooling to form a film, thereby improving stretchability.
- the film forming speed 10 to 20 OmZ is preferable in terms of productivity and stability of film properties.
- the melt molding temperature during melt extrusion is preferably 150 to 300 ° C.
- thermoplastic rosin is useful as other strong substrates. Specifically, linear low density polyethylene, low density polyethylene, ultra low density polyethylene, medium density polyethylene, high density polyethylene, Ethylene acetate butyl copolymer, ionomer, ethylene propylene (block and random) copolymer, ethylene acrylic acid copolymer, ethylene-acrylic acid ester copolymer, polypropylene, propylene a- olefin ( ⁇ —having 4 to 20 carbon atoms) Olefin) copolymers, polyolefins such as polybutenes or copolymers, or polyolefins in the broad sense such as these olefins homopolymers or copolymers grafted with unsaturated carboxylic acids or esters thereof Oil, polyester-based resin, polyamide-based resin (copolyamide is also available) ), Polysalt-bule, polysalt-vinylidene, acrylic resin, polystylene (block and
- polypropylene, ethylene propylene (block or random) ) Copolymers, polyamides, polyethylenes, ethylene acetate butyl copolymers, polystyrene, polyethylene terephthalate (PET), polyethylene naphthalate (PEN) are preferably used.
- base materials are extrusion-coated on molded articles such as films and sheets of the resin composition of the present invention, stretched films, etc., and films and sheets of other base materials are laminated using an adhesive.
- any base material paper, metal, etc.
- Foil, uniaxially or biaxially stretched plastic film or sheet and its inorganic deposit, woven fabric, non-woven fabric, metallic cotton, wood, etc. can be used.
- the layer structure of the laminate is such that the layer of the resin composition of the present invention is a (al, a2,%) And another substrate, for example, a thermoplastic resin layer is b (bl, b2,.
- a thermoplastic resin layer is b (bl, b2,.
- it is a film, sheet, or bottle, not only a two-layer structure of aZb, but also bZaZb ⁇ a / b / a, al / a2 / b, a / bl / b2, b2 / bl / a / bl / Any combination of b2, b2ZblZaZblZaZblZb2, etc.
- R is a regrind layer consisting of at least a mixture of the EVOH composition and thermoplastic resin
- b / R / a, b / R / a / b, b / R / a / R / b, b / a / R / a / b, bZRZaZRZaZRZb etc. can also be used.
- a and b are bimetallic, core (a ) —Sheath (b) type, core (b) —sheath (a) type, or eccentric core-sheath type, etc. Any combination is possible, etc.
- An adhesive resin layer can be provided depending on the type of adhesive resin. It can also be used depending on the type of resin in b, but it cannot be generally stated, but an addition reaction of unsaturated carboxylic acid or its anhydride to an olefin polymer (the above-mentioned polyolefin resin) is grafted. Examples thereof include modified olefin-based polymers having a carboxyl group obtained by chemical bonding by reaction or the like. Specific examples include maleic anhydride graph-modified polyethylene, maleic anhydride graft-modified polypropylene, maleic anhydride.
- the amount of the unsaturated carboxylic acid or its anhydride contained in is preferably 0.001 to 3% by weight, more preferably 0.01 to 1% by weight, particularly preferably 0.03 to 0.5% by weight. If the amount of modification in the modified product is small, the adhesiveness may be insufficient, while if it is too large, a crosslinking reaction may occur and the moldability may be deteriorated.
- the adhesive resin may be blended with the EVOH composition of the present invention, other EVOH, polyisobutylene, one component of an elastomer such as ethylene propylene rubber, and b layer resin.
- the adhesion can be improved by blending a polyolefin resin different from the polyolefin resin of the base of the adhesive resin. It is useful because
- the resin composition is an intermediate layer and the polyolefin resin is present on the inner layer side so that the appearance after retort is good. It is preferable that a polyamide-based resin layer is provided from the viewpoint of good gas nolia performance immediately after retort.
- each layer of the laminate cannot be generally stated depending on the layer configuration, the type of b, the application and container form, the required physical properties, etc.
- the a layer is 2 to 500 ⁇ m (further 3 to 200 m)
- b layer is 10 to 5000 m (or 30 to LOOO ⁇ m)
- adhesive resin layer is 1 to 400 m (or 2 to 150 m).
- the base resin layer may contain an antioxidant, an antistatic agent, a lubricant, a core material, an antiblocking agent, an ultraviolet absorber, a wax and the like as conventionally known.
- the strength of the laminate as it is in various shapes can be further subjected to a heat-stretching treatment in order to improve the physical properties of the laminate or to form a desired arbitrary container shape.
- the heat-stretching treatment refers to a film, sheet, or Norison-like laminate that has been heated uniformly and uniformly, such as a cup, tray, tube, bottle, It means an operation to form a film uniformly, and for stretching, it is better to perform stretching as high as possible, whether it is uniaxial stretching or biaxial stretching. No stretch of pinholes, cracks, stretch unevenness, uneven thickness, delamination, etc. occurs during stretching, and stretched molded articles with excellent gas barrier properties can be obtained.
- the laminate When stretching the laminate, it is better to perform stretching at a higher magnification as much as possible, regardless of whether it is uniaxial stretching or biaxial stretching.
- uniaxial stretching it is preferably 5 times or more, particularly 10 times or more
- the area magnification is preferably 5 times or more, particularly 10 times or more.
- the area magnification is 20 times or more. It is also possible to make it at least twice, particularly 24 to 50 times, and even at this time, a stretched film, a stretched sheet or the like can be obtained without causing pinholes, cracks, stretch unevenness and the like during stretching.
- the stretching method in addition to a roll stretching method, a tenter stretching method, a tubular stretching method, a stretching blow method, and the like, a deep drawing method, a vacuum forming method, or the like having a high stretching ratio can be employed.
- a tenter stretching method in addition to a roll stretching method, a tenter stretching method, a tubular stretching method, a stretching blow method, and the like, a deep drawing method, a vacuum forming method, or the like having a high stretching ratio can be employed.
- the simultaneous biaxial stretching method and the sequential biaxial stretching method can also be employed.
- the A stretching force of 80 to 170 ° C, preferably a range of about 100 to 160 ° C is also selected.
- Heat setting can be carried out by a known means, and heat treatment is performed at 80 to 170 ° C., preferably 100 to 160 ° C. for about 2 to 600 seconds while keeping the stretched film in a tension state.
- the stretched film obtained can be subjected to cooling treatment, rolling treatment, printing treatment, dry laminating treatment, solution or melt coating treatment, bag making processing, depth sticking processing, box processing, tube processing, split force check, etc. It can be carried out.
- the shape of the laminate obtained by force may be any film, sheet, tape, cup, tray, tube, bottle, pipe, filament, modified cross-section extrudate, etc. .
- the obtained laminate can be subjected to heat treatment, cooling treatment, rolling treatment, printing treatment, dry lamination treatment, solution or melt coating treatment, bag making processing, deep drawing processing, box processing, tube processing, split processing, etc. It can be performed.
- Containers made of cups, trays, tubes, bottles, criticisms, bags, etc. obtained as described above, and bags and lids with stretched film strength are seasonings such as mayonnaise and dressing, miso, etc. It is useful as various containers such as fermented foods such as salad oils and fats such as salad oil, beverages, cosmetics, pharmaceuticals, detergents, cosmetics, industrial chemicals, agricultural chemicals, and fuels.
- the rosin composition of the present invention is useful for retort applications.
- EVOH composition (A1) was obtained by the following method.
- An lm 3 polymerization can with a cooling coil was charged with 500 kg of butyl acetate, 100 kg of methanol, 500 ppm of acetyl baroxide (versus butyl acetate), 20 ppm of citrate, and 14 kg of 3,4-diacetoxy-1-butene. After replacement with nitrogen gas, and then replacement with ethylene, the mixture was injected until the ethylene pressure reached 35 kg / cm 2 , stirred, and then heated to 67 ° C, and 3, 4-diacetoxy- 1-Butene was polymerized for 15 gZ while adding 4.5 kg in total, and polymerized for 6 hours until the polymerization rate reached 50%.
- a methanol solution of the ethylene acetate butyl copolymer is supplied at a rate of lOkgZ from the upper part of the plate tower (Ken ⁇ tower), and at the same time with respect to the remaining acetic acid groups in the copolymer, 0. 01
- a methanol solution containing 2 equivalents of sodium hydroxide was fed from the top of the tower.
- methanol was supplied at 15 kgZ at the bottom of the tower.
- the tower temperature was 100-110 ° C and the tower pressure was 3kgZcm 2G.
- a methanol solution of EVOH (EVOH 30%, methanol 70%) having a structural unit having a 1,2 glycol bond was taken out.
- the saponification degree of the butyl acetate component of EVOH was 99.5 mol%.
- the methanol solution of the obtained EVOH was supplied at the top of the methanol Z aqueous solution adjustment tower at lOkgZ, and the methanol vapor at 120 ° C was supplied at 4kgZ and the steam at the rate of 2.5kgZ from the bottom of the tower.
- the methanol was distilled from the top of the column at 8 kgZ, and at the same time, 6 equivalents of methyl acetate with respect to the amount of sodium hydroxide used in the saponification was charged at a column internal temperature of 95-: L 10 ° C.
- the tower bottom force also obtained EVOH water Z alcohol solution (35% rosin concentration).
- the obtained water Z alcohol solution of EVOH was extruded in a strand form from a nozzle with a pore diameter of 4 mm into a coagulation liquid tank maintained at 5 ° C consisting of 5% methanol and 95% water.
- the strand was cut with a cutter to obtain E VOH porous pellets having a diameter of 3.8 mm and a length of 4 mm and a moisture content of 45%.
- the pellets After washing 100 parts of the porous pellets with 100 parts of water, the pellets were put into a mixed solution containing 0.032% boric acid and 0.007% calcium dihydrogen phosphate, and 5 ° C. at 30 ° C. Stir for hours. Further, the porous pellets were dried for 12 hours by passing nitrogen gas with a temperature of 70 ° C. and a moisture content of 0.6% in a batch-type ventilated box dryer to a moisture content of 30%. Then, using a batch tower type fluidized bed dryer, drying was performed with nitrogen gas having a temperature of 120 ° C. and a water content of 0.5% for 12 hours to obtain pellets of the target EVOH composition (A1).
- Such pellets contain 0.0015 parts by weight (in terms of boron) and 0.005 parts by weight (in terms of phosphate radicals), respectively, of MFR (100 parts by weight of EVOH, boric acid and calcium dihydrogen phosphate. 210. C, 2160 g) was 4. OgZlO min.
- EVOH composition (A2) was obtained by the following method.
- EVOH composition (A3) was obtained by the following method.
- the EVOH composition (A1) obtained above and end-capped nylon (B) [terminal carboxyl group content 20 ⁇ eq / g, terminal amino group content 26 ⁇ eq / g] were combined at a weight ratio of 85:15. Thus, it was subjected to a 30 mm ⁇ twin screw extruder and melt-mixed at 240 ° C. to obtain pellets of the desired resin composition.
- the obtained laminate was evaluated as follows for the appearance, gas noriat, and pinhole resistance after retort treatment as follows.
- the resulting multilayer film is sealed on all sides so that layer (c) is on the inside, and a 15cm x 15cm bouch containing 150ml of distilled water is prepared.
- the bouch is retorted at 130 ° C for 30 minutes and removed. The appearance of the bouch just after was visually observed and evaluated as follows.
- the multilayer film cut out from the bout after the above retort was left in a 23 ° C, Dry environment for 24 hours, and then the oxygen permeability measuring device “OX-TRAN2” manufactured by MOCON under the conditions of 23 ° C and 80% RH.
- the oxygen permeability (ccZm 2 'day'atm) was measured using / 20J.
- the obtained multilayer film was cut into A4 size (21 X 29.7cm), fixed with the four ends open, retorted at 130 ° C for 30 minutes, and then gelboflex tester (Science Industrial) Made in a 23 ° C, 50% RH atmosphere, and repeatedly performed a reciprocating motion of 440 ° twist (3.5 inches) + straight (2.5 inches), then 23 °
- the oxygen permeability (ccZm 2 'day'atm) was measured using an oxygen permeability measuring device “OX-TRAN2Z20” manufactured by MOCON under the conditions of C and 80% RH. When pinholes occur in the EVOH layer, the barrier properties are reduced and the oxygen permeability is increased.
- Example 1 a rosin composition was prepared in the same manner except that the EVOH composition (A2) was used instead of the EVOH composition (A1), and evaluation was performed in the same manner. [0086]
- Example 3 a rosin composition was prepared in the same manner except that the EVOH composition (A2) was used instead of the EVOH composition (A1), and evaluation was performed in the same manner.
- Example 1 a resin composition was prepared in the same manner except that the EVOH composition (A3) was used instead of the EVOH composition (A1), and the same evaluation was performed.
- Example 1 a multilayer structure was prepared using only the EVOH composition (A4) instead of the resin composition, and the same evaluation was performed.
- Example 1 a resin composition was prepared in the same manner except that the EVOH composition (A4) was used instead of the EVOH composition (A1), and the same evaluation was performed.
- Example 1 1 0 1.5 1 6 a 2 0 1.7 7 2.0 a 3 O 1.5 5 1.7 Comparative Example X-* * a 2 ⁇ 2.0 4.5
- the resin composition of the present invention and the multilayer structure using the same are excellent in retort resistance at high temperatures, gas noria resistance, and pinhole resistance, food packaging materials, pharmaceutical packaging materials, industrial chemicals It is useful as various packaging materials such as packaging materials and agricultural chemical packaging materials, and is particularly useful for retort applications.
Description
Claims
Priority Applications (5)
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EP06756324A EP2014712B1 (en) | 2006-04-25 | 2006-04-25 | Resin composition and multilayer structure making use of the same |
DE602006014736T DE602006014736D1 (de) | 2006-04-25 | 2006-04-25 | Harzzusammensetzung und mehrschichtstruktur, in der diese verwendet wird |
US12/226,691 US20100055482A1 (en) | 2004-09-28 | 2006-04-25 | Resin Composition and Multi-Layer Structure Using the Same |
PCT/JP2006/308670 WO2007129368A1 (ja) | 2006-04-25 | 2006-04-25 | 樹脂組成物およびそれを用いた多層構造体 |
CN200680054374.5A CN101432355A (zh) | 2006-04-25 | 2006-04-25 | 树脂组合物及使用该树脂组合物的多层结构体 |
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EP (1) | EP2014712B1 (ja) |
CN (1) | CN101432355A (ja) |
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Cited By (2)
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EP2307503A1 (en) * | 2008-07-30 | 2011-04-13 | E. I. du Pont de Nemours and Company | Heat resistant thermoplastic articles including polyhydroxy polymers |
JP2015151428A (ja) * | 2014-02-12 | 2015-08-24 | 株式会社クラレ | 樹脂組成物及びその製造方法 |
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WO2007129371A1 (ja) * | 2006-04-25 | 2007-11-15 | The Nippon Synthetic Chemical Industry Co., Ltd. | 多層フィルム |
JP6087026B1 (ja) * | 2015-04-07 | 2017-03-01 | 日本合成化学工業株式会社 | 樹脂組成物及びそれを用いた多層構造体、並びにロングラン安定性改善方法 |
US11655360B2 (en) * | 2017-07-25 | 2023-05-23 | Showa Denko K.K. | Gas-barrier resin composition and use thereof |
CN114829490A (zh) * | 2019-12-27 | 2022-07-29 | 株式会社可乐丽 | 树脂组合物以及包含其的成形品和多层结构体 |
TWI809324B (zh) * | 2019-12-30 | 2023-07-21 | 長春石油化學股份有限公司 | 乙烯-乙烯醇共聚物樹脂組合物及其膜和多層結構 |
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DE602004003308T2 (de) * | 2003-08-01 | 2007-05-10 | KURARAY CO., LTD, Kurashiki | Harzzusammensetzung und Verfahren zu deren Herstellung |
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JP4375739B2 (ja) * | 2004-09-28 | 2009-12-02 | 日本合成化学工業株式会社 | 燃料容器 |
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- 2006-04-25 EP EP06756324A patent/EP2014712B1/en active Active
- 2006-04-25 WO PCT/JP2006/308670 patent/WO2007129368A1/ja active Application Filing
- 2006-04-25 CN CN200680054374.5A patent/CN101432355A/zh active Pending
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EP2307503A1 (en) * | 2008-07-30 | 2011-04-13 | E. I. du Pont de Nemours and Company | Heat resistant thermoplastic articles including polyhydroxy polymers |
JP2015151428A (ja) * | 2014-02-12 | 2015-08-24 | 株式会社クラレ | 樹脂組成物及びその製造方法 |
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EP2014712B1 (en) | 2010-06-02 |
EP2014712A4 (en) | 2009-07-08 |
CN101432355A (zh) | 2009-05-13 |
DE602006014736D1 (de) | 2010-07-15 |
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