WO2016175475A1 - 폴리아미드 수지, 이를 포함하는 폴리아미드 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품 - Google Patents
폴리아미드 수지, 이를 포함하는 폴리아미드 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품 Download PDFInfo
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- WO2016175475A1 WO2016175475A1 PCT/KR2016/003702 KR2016003702W WO2016175475A1 WO 2016175475 A1 WO2016175475 A1 WO 2016175475A1 KR 2016003702 W KR2016003702 W KR 2016003702W WO 2016175475 A1 WO2016175475 A1 WO 2016175475A1
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- polyamide resin
- resin composition
- acid
- carbon atoms
- triamine
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- UODZHRGDSPLRMD-UHFFFAOYSA-N NCCCCNCCCCN Chemical compound NCCCCNCCCCN UODZHRGDSPLRMD-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic acids
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/028—Polyamidoamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- 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
-
- 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
- C08K5/00—Use of organic ingredients
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Definitions
- the present invention relates to a polyamide resin, a polyamide resin composition comprising the same, a method for producing the same, and a molded article including the same.
- Polyamide resins are widely used in automobile parts, electrical, electronic products, and mechanical parts. And various physical properties of the polyamide resin is required. Recently, various methods have been tried to improve the high heat resistance, mechanical properties, moldability, and water absorption of polyamide resins. Among them, acrylic impact modifiers have been applied as an attempt to improve the impact properties of polyamide resins. However, acrylic impact modifiers have excellent impact reinforcement effects, but can easily decompose at high processing temperatures of high heat resistant nylon to generate injection gas. In addition, even in small amounts, the long-term heat stability of the product is lowered by the difference in heat resistance with nylon. Therefore, it is necessary to develop a polyamide resin which is excellent in impact reinforcing effect and which does not lower heat resistance.
- the problem to be solved by the present invention is to provide a polyamide resin having excellent impact strength and high heat resistance, a polyamide resin composition comprising the same, a manufacturing method thereof and a molded article comprising the same.
- Another object of the present invention is to provide a polyamide resin, a polyamide resin composition comprising the same, a method for producing the same, and a molded article including the same, having a matting effect, which is useful for exterior materials.
- One aspect of the invention relates to polyamide resins.
- the polyamide resin is a polymer of a monomer mixture comprising a dicarboxylic acid, an amine compound, the amine compound comprises a diamine and a triamine, measured using 1 H-NMR One branch rate is about 1% to about 8%.
- the triamine may be represented by the following formula (1).
- R 1 and R 2 are each independently an alkylene group having 1 to 15 carbon atoms, a branched alkylene group having 2 to 15 carbon atoms, or a cycloalkylene group having 3 to 15 carbon atoms).
- the dicarboxylic acid may include one or more of aromatic dicarboxylic acid having 8 to 20 carbon atoms and aliphatic dicarboxylic acid having 3 to 20 carbon atoms.
- the diamine may include one or more of aromatic diamines having 6 to 20 carbon atoms and aliphatic diamines having 2 to 20 carbon atoms.
- the triamine may be included in about 1 to about 8 mol% in 100 mol% of the amine compound.
- the molar ratio of the dicarboxylic acid and the amine compound may be about 1: 0.98 to about 1: 1.15.
- the polyamide resin may have a difference in melting temperature (Tm) and crystallization temperature (Tc) of about 50 ° C or more.
- Another aspect of the present invention relates to a polyamide resin composition.
- the polyamide resin composition may include about 10 to about 50 parts by weight of a fiber reinforcing agent based on 3 parts by weight of the polyamide resin and the polyamide resin.
- the polyamide resin composition may have an impact strength of about 1/8 "notched Izod measured by ASTM D256 standard after specimen formation from about 8.0 kgf ⁇ cm / cm to about 12 kgf ⁇ cm / cm. .
- the polyamide resin composition may have a tensile strength retention of about 1,000% or more measured at 170 ° C. according to ASTM D638 standard after specimen formation.
- the polyamide resin composition is a flame retardant, surfactant, nucleating agent, coupling agent, filler, plasticizer, impact modifier, lubricant, antibacterial agent, mold release agent, heat stabilizer, antioxidant, light stabilizer, compatibilizer, inorganic additive It may further comprise one or more of colorants, lubricants, antistatic agents, pigments, dyes and flame retardants.
- Another aspect of the present invention relates to a molded article formed from the polyamide resin composition comprising the polyamide resin.
- the present invention is excellent in impact strength and heat resistance, has a matting effect and has an effect of providing a polyamide resin useful for exterior materials, a polyamide resin composition comprising the same, a method for producing the same, and a molded article including the same.
- the "branch rate” is used to dissolve the sample at 5 w / v% using a trifluoroacetic acid-d (TFA-d) solvent, and then using BRUKER's 600 MHz 1 H-NMR. Measured, and means the value quantified using the chemical shift and main peak height change after the addition of triamine on the basis of the standard sample without the addition of triamine.
- TFA-d trifluoroacetic acid-d
- dicarboxylic acid and the like means dicarboxylic acid, alkyl esters thereof (lower alkyl esters having 1 to 4 carbon atoms such as monomethyl, monoethyl, dimethyl, diethyl or dibutyl ester), acid anhydrides thereof ( acid anhydride) and the like, and can be reacted with a diamine or a cyclic ester to form a dicarboxylic acid moiety.
- dicarboxylic acid moiety refers to the polymerization reaction of dicarboxylic acid, diamine and triamine, respectively. Refers to the residue portion remaining after the hydrogen atom or hydroxyl group of the dicarboxylic acid, diamine and triamine is removed.
- the polyamide resin of the present invention is a polymer of a monomer mixture comprising a dicarboxylic acid and an amine compound, and the amine compound includes a diamine and a triamine.
- the dicarboxylic acid may comprise one or more of aromatic dicarboxylic acids having 8 to 20 carbon atoms and aliphatic dicarboxylic acids having 3 to 20 carbon atoms.
- the aromatic dicarboxylic acid is, for example, terephthalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, 2,7-naphthalenedicarboxylic acid, 1,4-naphthalenedicarboxylic acid, 1,4-phenyl Rendioxydiacetic acid, 1,3-phenylenedioxydiacetic acid, diphenic acid, 4,4'-oxydibenzoic acid, diphenylmethane-4,4'-dicarboxylic acid, diphenylsulfone-4,4'- Aromatic dicarboxylic acids such as dicarboxylic acid, 4,4'-biphenyldicarboxylic acid, and mixtures thereof, and the like, but are not necessarily limited thereto.
- the aliphatic dicarboxylic acid may be, for example, maronic acid, dimethylmaronic acid, succinic acid, glutaric acid, adipic acid, 2-methyladipic acid, trimethyladipic acid, pimeric acid, 2,2-dimethylglutamic acid, Aliphatic dicarboxylic acids and 1,4-cyclohexanedicarboxylic acid, 1,3-cyclopentane, such as 3,3-diethyl succinic acid, subric acid, azelaic acid, sebacic acid, undecanoic acid, and dodecaneic acid Alicyclic dicarboxylic acid, such as dicarboxylic acid, etc., but it is not necessarily limited to this.
- one or more of the dicarboxylic acids may be mixed.
- the aromatic dicarboxylic acid in 100 mol% of the total dicarboxylic acid may be included from about 0 to about 75 mol%, more specifically from about 0 to about 65 mol%. It is excellent in heat resistance and crystallinity of a polyamide resin in the said range.
- aliphatic dicarboxylic acid in 100 mol% of the total dicarboxylic acid may be included in about 25 to about 100 mol%, specifically about 35 to about 100 mol%. In the above range, a polyamide resin excellent in workability can be obtained without deteriorating other physical properties.
- the aromatic dicarboxylic acid may be terephthalic acid and / or the aliphatic dicarboxylic acid may be adipic acid.
- the amine-based compound includes diamines and triamines.
- the diamine may comprise one or more of aromatic diamines having 6 to 20 carbon atoms and aliphatic diamines having 2 to 20 carbon atoms.
- the aromatic diamine having 6 to 20 carbon atoms is, for example, m-xylenediamine, o-xylenediamine, p-xylenediamine, p-phenylenediamine, m-phenylenediamine, 4,4'-diamino Diphenylsulfone, 4,4'-diaminodiphenyl ether, and the like, but is not necessarily limited thereto.
- the aliphatic diamine having 2 to 20 carbon atoms is, for example, ethylenediamine, propanediamine, 1,4-butanediamine, 1,6-hexanediamine (hexamethylenediamine), 1,7-heptane diamine, 1,8-octane Diamine, 1,9-nonanediamine, 1,10-decanediamine, 1,11-undecanediamine, 1,12-dodecanediamine, 2-methyl-1,5-pentanediamine, 3-methyl-1,5 -Pentanediamine, 2,2,4-trimethyl-1,6-hexanediamine, 2,4,4-trimethyl-1,6-hexanediamine, 2-methyl-1,8-octanediamine, 5-methyl-1 Aliphatic alkylenediamines such as, 9-nonanediamine and cyclohexanediamine, methylcyclohexanediamine, isophoronediamine, bis (4-aminocyclohexyl) methane, 1,3-bis
- the molar ratio of the dicarboxylic acid and the amine compound may be about 1: 0.98 to about 1: 1.15, more specifically about 1: 0.98 to about 1: 1.10. The fall of the physical property of the polyamide resin by an unreacted monomer can be prevented in the said range.
- Triamine may be represented by the following formula (1).
- R 1 and R 2 are each independently an alkylene group having 1 to 15 carbon atoms, a branched alkylene group having 2 to 15 carbon atoms, or a cycloalkylene group having 3 to 15 carbon atoms).
- the polyamide resin can form gel and / or branched chains during the polymerization process to produce branched polyamide (PA).
- the polyamide resin may have a branch ratio of about 1%, 2%, 3%, 4%, 5%, 6%, 7% or 8%, measured using 1 H-NMR.
- the polyamide resin may have a branch ratio measured using 1 H-NMR in the range of at least one of the above values and at most one of the above values.
- the polyamide resin has a branch rate of about 1% to about 8%, specifically about 1% to about 6%, more specifically about 1% to about 5%, measured using 1 H-NMR. .
- the polyamide resin has the advantage of having an impact reinforcing effect by the branch chain and the like, and excellent long-term heat-resistant tensile strength retention.
- the existing impact modifiers or by using a minimum amount it is possible to prevent the degradation of long-term heat resistance.
- the polyamide resin can control the branch ratio by controlling the content of triamine during the polymerization process.
- the triamine may be included in about 1, 2, 3, 4, 5, 6, 7 or 8 mol% in 100 mol% of the amine compound.
- the triamine may be in the range of about one or more of the above numerical values and about one or less of the above numerical values in 100 mol% of the amine compound.
- the triamine may be included in about 1 to about 8 mol%, specifically about 1 to about 6 mol%, and more specifically about 1 to about 5 mol%, in 100 mol% of the amine compound. Within the above range, the impact strength and the tensile strength retention can be balanced.
- the triamine is specifically , , , , , , Can be more specifically , , May be, but is not necessarily limited thereto.
- the polymerization may be carried out according to a conventional polymerization method, for example, may be performed using a melt polymerization method or the like.
- the polymerization temperature may be about 80 °C to about 280 °C, for example about 90 °C to about 270 °C
- the polymerization pressure is about 10 kgf / cm 2 To about 40 kgf / cm 2 , but is not limited thereto.
- the polyamide resin may be prepared by polymerizing the monomer mixture to prepare a prepolymer and solidifying the prepolymer.
- the monomer mixture, catalyst and water are charged to the reactor, stirred at about 80 ° C. to about 150 ° C. for about 0.5 to about 2 hours, and then at a temperature of about 200 ° C. to about 220 ° C.
- the prepolymer has an intrinsic viscosity [ ⁇ ] of about 0.1 to about 0.4 dL / g, for example about 0.1 to about 0.3 dL / g, measured with a Ubbelodhde viscometer at 25 ° C. with 98% sulfuric acid solution. May be, but is not limited thereto.
- the discharge from the reactor in the above range may be easy.
- the solid phase polymerization may be to heat the prepolymer to about 150 ° C to about 300 ° C, for example about 180 ° C to about 260 ° C, in a vacuum or in the presence of an inert gas such as nitrogen or argon. . It is possible to obtain a polyamide resin having a weight average molecular weight of about 5,000 to about 50,000 g / mol in the above range.
- a catalyst may be used in the copolymerization reaction.
- a phosphorus-based catalyst may be used.
- phosphoric acid, phosphoric acid, hypophosphoric acid or salts or derivatives thereof may be used.
- phosphoric acid, phosphoric acid, hypophosphorous acid, sodium hypophosphate, sodium hypophosphinate and the like can be used.
- the catalyst may be used in an amount of about 0 to about 3 parts by weight, for example, about 0.001 to about 1 part by weight, specifically about 0.01 to about 0.5 part by weight, based on 100 parts by weight of the total monomer mixture, but is not limited thereto. It doesn't work.
- the said terminal sealing agent can be used and the viscosity of a polyamide resin can also be adjusted.
- the terminal blocker may include one or more aliphatic carboxylic acids and aromatic carboxylic acids, for example, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, caprylic acid, lauryl acid, tridecanoic acid , Myristic acid, palmitic acid, stearic acid, pivalic acid, isobutyl acid, benzoic acid, toluic acid, ⁇ -naphthalenecarboxylic acid, ⁇ -naphthalenecarboxylic acid, methylnaphthalenecarboxylic acid, mixtures thereof and the like can be used. May be, but is not limited thereto.
- the terminal blocker may be included in an amount of about 0.01 to about 5 moles, for example, about 0.1 to about 3 moles, based on 100 moles of the dicarboxylic acid and the diamine, but is not limited thereto.
- the molecular weight of the copolymerized polyamide resin can be easily adjusted in the above range.
- the polyamide resin was dissolved in 98% sulfuric acid solution at a concentration of about 0.5 g / dL, and the intrinsic viscosity [ ⁇ ] measured by a Ubbelodhde viscometer at 25 ° C. was about 0.6 to about 4 dL / g, specifically About 1 to about 4 dL / g, more specifically about 1.2 to about 3 dL / g, but is not limited thereto. It is excellent in impact strength and heat resistance in the said range.
- the polyamide resin may have a melting temperature (Tm) of about 200 ° C to about 320 ° C, specifically about 210 ° C to about 310 ° C, more specifically about 220 ° C to about 300 ° C, and a crystallization temperature (Tc) of about 130 ° C to about 280 ° C, specifically about 150 ° C to about 275 ° C. It is excellent in moldability at the time of manufacture of the molded article which requires the heat resistance and high appearance characteristic of a copolymerization polyamide resin in the said range.
- Tm melting temperature
- Tc crystallization temperature
- the polyamide resin is characterized in that the difference between the melting temperature (Tm) and the crystallization temperature (Tc) is about 50 °C or more, for example about 50 to about 70 °C, specifically about 55 to about 65 °C. It is possible to prevent the crystallization rate from being excessively fast in the above range, and there is no deterioration in appearance quality such as inorganic protrusions.
- the glass transition temperature (Tg) of the polyamide resin may be about 90 to about 110 °C, for example, about 92 to about 105 °C.
- the heat resistance of the copolymerized polyamide resin may be excellent in the above range.
- the polyamide resin may have a weight average molecular weight of about 5,000 to about 100,000 g / mol, and a number average molecular weight of about 1,000 to about 25,000 g / mol, as measured by gel permeation chromatography (GPC).
- GPC gel permeation chromatography
- the GPC polydispersity index (PDI) may be about 3.0 to about 7.0, specifically about 3.0 to about 6.0. There is an advantage of high strength in the above range.
- the polyamide resin composition may include a polyamide resin (hereinafter, a first polyamide resin) and a fiber reinforcing agent according to an embodiment of the present invention.
- the first polyamide resin is included in the polyamide resin composition, and exhibits not only excellent impact strength and heat resistance, but also a matting effect.
- the first polyamide resin may be included in the polyamide resin composition in an amount of about 0.1 wt% to about 10 wt%, specifically about 0.1 wt% to about 5 wt%. In the above range, the polyamide resin composition may balance the impact strength and the matting effect.
- the fiber reinforcing agent may be a glass fiber in which glass filaments coated with a sizing agent such as epoxy, urethane, silane, etc. are concentrated to form fibers.
- the average diameter of the glass filament may be about 5 ⁇ m to about 20 ⁇ m, and the average diameter of the glass fiber reinforcement formed therefrom may be about 10 ⁇ m to about 13 ⁇ m, but is not limited thereto.
- the content of the sizing agent may be about 0.05 to about 0.1 parts by weight based on 100 parts by weight of the glass filament, but is not limited thereto.
- the polyamide resin composition is about 10, 11, 12, 13, 14, 15, 16, 17, by weight of the fiber reinforcing agent relative to 3 parts by weight of the polyamide resin (first polyamide resin) according to an embodiment of the present invention, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49 or 50 parts by weight.
- the polyamide resin composition is in the range of about one or more of the above values and about one or less of the above values, with respect to 3 parts by weight of the polyamide resin (first polyamide resin) according to the embodiment of the present invention. It can be included as.
- the polyamide resin composition is about 10 to about 50 parts by weight, specifically about 10 to about 3 parts by weight of the fiber reinforcing agent, based on 3 parts by weight of the polyamide resin (first polyamide resin) according to the embodiment of the present invention. About 40 parts by weight. Within the above range, the balance between impact strength and matting effect and processability can be achieved.
- the fiber reinforcing agent may be included in about 10% to about 50% by weight, specifically about 10% to about 40% by weight of the polyamide resin composition. It is excellent in a physical property, an appearance, and workability in the said range.
- the polyamide resin composition may further include a heat stabilizer.
- the polyamide resin composition may further comprise a second polyamide resin composition.
- the second polyamide resin is substantially the same as the first polyamide resin except that it does not include triamine in the amine compound.
- the second polyamide resin may be included in the polyamide resin composition at about 40 wt% to about 90 wt%, specifically about 45 wt% to about 85 wt%, and more specifically about 50 wt% to about 80 wt%. . In the above range, the polyamide resin composition may balance the impact strength and the matting effect.
- the polyamide resin composition may further include a heat stabilizer.
- the heat stabilizer serves to inhibit or block thermal decomposition of the composition when the polyamide resin composition is mixed or molded at a high temperature.
- the heat stabilizer is not particularly limited, and for example, phosphite, phenol, tinmalate or aluminosilicate may be used.
- the heat stabilizer may be included in about 0.01% to about 1% by weight, specifically, about 0.1% to about 0.5% by weight of the polyamide resin composition. In the above range, there is an advantage of excellent heat stability and low gas generation amount.
- the polyamide resin composition may be a flame retardant, surfactant, nucleating agent, coupling agent, filler, plasticizer, impact modifier, lubricant, antimicrobial agent, mold release agent, heat stabilizer, antioxidant, light stabilizer, compatibilizer, inorganic additive, colorant, stabilizer It may further comprise one or more additives selected from the group consisting of lubricants, antistatic agents, pigments, dyes and flame retardants.
- the polyamide resin composition has a 1/8 "notched Izod impact strength measured by ASTM D256 standard after specimen formation of about 8.0, 8.1, 8.2, 8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 9.0, 9.1 , 9.2, 9.3, 9.4, 9.5, 9.6, 9.7, 9.8, 9.9, 10.0, 10.1, 10.2, 10.3, 10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 11.0, 11.1, 11.2, 11.3, 11.4, 11.5, 11.6 , 11.7, 11.8, 11.9 or 12.0 kgf ⁇ cm / cm
- the impact strength of 1/8 "notched Izod measured by ASTM D256 standard is one of the above values.
- the polyamide resin composition may have a 1/8 "notched Izod impact strength of about 8.0 kgfcm / cm to about 12 kgfcm / cm, specifically about 8.0, measured according to ASTM D256 standard after specimen formation. It may be from kgf ⁇ cm / cm to about 11 kgf ⁇ cm / cm Excellent mechanical properties in the above range, there is an advantage that can be applied to machinery.
- the polyamide resin composition has a tensile strength retention of at least about 80%, specifically about 80%, 81%, 82%, 83, measured at 170 ° C. according to ASTM D638 standard after specimen formation. It can be%, 84% or 85%.
- the polyamide resin composition may have a tensile strength retention of 1,000 hours measured at 170 ° C. according to ASTM D638 standard after specimen formation in the range of about one or more of the above values and about one or less of the above values.
- the polyamide resin composition may have a tensile strength retention of about 80% to about 85%, more specifically about 80% to about 84%, measured at 170 ° C. according to ASTM D638 standard after specimen formation. have. It can be used for a device that operates for a long time in the above range.
- the molded article according to one embodiment of the present invention is formed from a polyamide resin composition comprising the copolymerized polyamide resin.
- a polyamide resin composition comprising the copolymerized polyamide resin.
- packaging films requiring heat resistance, melt processability, discoloration resistance, and the like may be used in barrier bottle applications, electrical and electronic cases, automotive exterior materials, and the like, but are not limited thereto.
- the molded article can be easily formed by those skilled in the art to which the present invention pertains.
- Adipic acid Adipic acid manufactured by Aldrich was used.
- (a2) terephthalic acid terephthalic acid manufactured by Aldrich was used.
- BHMT Bishexamethylenetriamine manufactured by Aldrich was used.
- a polyamide resin (hereinafter, a-2 resin) was prepared.
- a-3 resin was prepared in the same manner as in Example 1, except that 34.9 g) was used.
- a-4 resin a polyamide resin (hereinafter, a-4 resin) was prepared in the same manner as in Example 3.
- Example Comparative example One 2 3 4 One 2 3 4 5 (A) (a1) 100 100 45 45 100 100 45 45 45 (a2) - - 55 55 - - 55 55 55 Amine compound (B) (b1) 99 95 - - 100 99.5 - - - (b2) - - 99 95 - - 100 99.5 90 (C) 1.0 5.0 1.0 5.0 - 0.5 - 0.5 10 Molar ratio of amine compound to dicarboxylic acid 1.01 1.01 1.01 1.01 1.01 1.01 1.01 1.01 1.01 1.01 1.01 Melting temperature (°C) 220 210 300 298 230 225 307 302 295 Glass transition temperature (°C) 92 95 94 95 88 90 91 92 96 Intrinsic viscosity (dL / g) 1.5 2.0 1.6 2.5 0.85 1.0 0.90 1.1 Gel GPC PDI (Mw / Mn) 3.5 5.0 4.8 5.5 2.2 2.5 3.0 4.5 - Branch rate (%) 1.2
- Second polyamide resin Examples 5 to 6, Comparative Examples 6 to 7, and Comparative Example 11 apply the polyamide resin prepared in Comparative Example 1, Examples 7 to 8, and Comparative Examples 8 to 10 The polyamide resin prepared in Comparative Example 3 was applied.
- Fiber reinforcing agent EC10 3MM 910 manufactured by SAINT-GOBAIN was used.
- the embodiment of the polyamide resin composition containing triamine can be seen that the impact strength, the tensile strength retention and the matting effect is excellent.
- Tm Melting temperature
- Tc crystallization temperature
- Tg glass transition temperature
- IV0 Intrinsic viscosity (IV0, unit: dL / g): The polyamide resin was dissolved in 98% sulfuric acid solution at a concentration of 0.5 g / dL, and then measured at 25 ° C. using an Ubbelodhde viscometer.
- GPC polydispersity index Hexafluoro isopropanol (Hexafluoro isopropanol) was analyzed using a PMMA standard at 1 ml / min, 40 °C condition.
- Branch rate After dissolving the sample at 5 w / v% using a trifluoroacetic acid-d (TFA-d) solvent, it was measured using BRUKER's 600 MHz 1 H-NMR. . After adding triamine, the branch ratio was quantified using chemical shift and main peak height change.
- TFA-d trifluoroacetic acid-d
- IZOD impact strength (unit: kgf ⁇ cm / cm): Notch was evaluated by making a notch on a 1/8 "Izod specimen according to the evaluation method specified in ASTM D256.
- Tensile strength retention rate (long-term heat stability, unit:%): Initial injection strength after injection of the resin composition of Examples 5 to 8 and Comparative Examples 5 to 11 with the addition of glass fiber, unit: kgf / cm 2 ) was measured. Injection was carried out at 260 ° C to 330 ° C depending on the melting temperature. Next, the tensile strength was measured after staying in a constant temperature oven at 170 ° C. for 1,000 hours, and the tensile strength retention was evaluated by calculating the retention rate by comparing the tensile strength after 1,000 hours with an initial tensile strength of 100%. The higher the retention, the better the long term heat stability.
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Abstract
Description
실시예 | 비교예 | ||||||||||
1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 5 | |||
(A) | (a1) | 100 | 100 | 45 | 45 | 100 | 100 | 45 | 45 | 45 | |
(a2) | - | - | 55 | 55 | - | - | 55 | 55 | 55 | ||
아민계 화합물 | (B) | (b1) | 99 | 95 | - | - | 100 | 99.5 | - | - | - |
(b2) | - | - | 99 | 95 | - | - | 100 | 99.5 | 90 | ||
(C) | 1.0 | 5.0 | 1.0 | 5.0 | - | 0.5 | - | 0.5 | 10 | ||
디카르복실산에 대한 아민계 화합물의 몰비 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | ||
용융온도(℃) | 220 | 210 | 300 | 298 | 230 | 225 | 307 | 302 | 295 | ||
유리전이온도(℃) | 92 | 95 | 94 | 95 | 88 | 90 | 91 | 92 | 96 | ||
고유점도(dL/g) | 1.5 | 2.0 | 1.6 | 2.5 | 0.85 | 1.0 | 0.90 | 1.1 | Gel | ||
GPC PDI(Mw/Mn) | 3.5 | 5.0 | 4.8 | 5.5 | 2.2 | 2.5 | 3.0 | 4.5 | - | ||
브랜치율(%) | 1.2 | 5.2 | 1.0 | 4.9 | 0.1 | 0.6 | 0.2 | 0.5 | 14 |
실시예 | 비교예 | ||||||||||
5 | 6 | 7 | 8 | 6 | 7 | 8 | 9 | 10 | 11 | ||
제1폴리아미드 수지 | a-1 | 3 | - | - | - | - | - | - | - | - | - |
a-2 | - | 3 | - | - | - | - | - | - | - | - | |
a-3 | - | - | 3 | - | - | - | - | - | - | - | |
a-4 | - | - | - | 3 | - | - | - | - | - | - | |
b-1 | - | - | - | - | 3 | - | - | - | - | - | |
b-2 | - | - | - | - | - | 3 | - | - | - | - | |
b-3 | - | - | - | - | - | - | 3 | - | - | - | |
b-4 | - | - | - | - | - | - | - | 3 | - | - | |
b-5 | - | - | - | - | - | - | - | - | 3 | - | |
제2폴리아미드 수지 | b-1 | 66.7 | 66.7 | - | - | 66.7 | 66.7 | - | - | - | 66.7 |
b-3 | - | - | 66.7 | 66.7 | - | - | 66.7 | 66.7 | 66.7 | - | |
(D) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
(E) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
(F) | - | - | - | - | - | - | - | - | - | 3 | |
충격강도(kgf·cm/cm) | 8.0 | 9.0 | 8.2 | 10.2 | 6.8 | 6.9 | 7.5 | 7.8 | 12.9 | 10.1 | |
인장강도 유지율(%) | 81 | 82 | 82 | 83 | 80 | 78 | 85 | 83 | 84 | 72 | |
광택도(60°) | 45 | 25 | 22 | 20 | 58 | 56 | 45 | 40 | 25 | 59 |
Claims (12)
- 디카르복실산, 아민계 화합물을 포함하는 단량체 혼합물의 중합체이고,상기 아민계 화합물은 디아민 및 트리아민을 포함하고, 1H-NMR을 이용하여 측정한 브랜치율이 약 1% 내지 약 8%인 폴리아미드 수지.
- 제1항에 있어서, 상기 디카르복실산은 탄소수 8 내지 20의 방향족 디카르복실산 및 탄소수 3 내지 20의 지방족 디카르복실산 중 하나 이상을 포함하는 폴리아미드 수지.
- 제1항에 있어서, 상기 디아민은 탄소수 6 내지 20의 방향족 디아민 및 탄소수 2 내지 20의 지방족 디아민 중 하나 이상을 포함하는 폴리아미드 수지.
- 제1항에 있어서, 상기 트리아민은 상기 아민계 화합물 100 몰% 중, 1 내지 8 몰%로 포함되는 폴리아미드 수지.
- 제1항에 있어서, 상기 디카르복실산 및 상기 아민계 화합물의 몰비는 약 1 : 0.98 내지 약 1 : 1.15인 폴리아미드 수지.
- 제1항에 있어서, 상기 폴리아미드 수지는 용융 온도(Tm) 및 결정화 온도(Tc)의 차이가 약 50 ℃ 이상인 폴리아미드 수지.
- 제1항 내지 제7항 중 어느 한 항의 폴리아미드 수지 및상기 폴리아미드 수지 3 중량부에 대하여 섬유 강화제 약 10 내지 약 50 중량부를 포함하는 폴리아미드 수지 조성물.
- 제8항에 있어서, 상기 폴리아미드 수지 조성물은 시편 형성 후, ASTM D256 규격으로 측정한 1/8" 노치드 아이조드 충격강도가 약 8.0 kgf·cm/cm 내지 약 12 kgf·cm/cm인 폴리아미드 수지 조성물.
- 제8항에 있어서, 상기 폴리아미드 수지 조성물은 시편 형성 후, ASTM D638 규격으로 170 ℃에서 측정한 1,000 시간 인장강도 유지율이 약 80% 이상인 폴리아미드 수지 조성물.
- 제8항에 있어서, 상기 폴리아미드 수지 조성물은 난연제, 계면활성제, 핵제, 커플링제, 충전제, 가소제, 충격보강제, 활제, 항균제, 이형제, 열안정제, 산화방지제, 광안정제, 상용화제, 무기물 첨가제, 착색제, 윤활제, 정전기방지제, 안료, 염료 및 방염제 중 1종 이상을 더 포함하는 폴리아미드 수지 조성물.
- 제1항 내지 제7항 중 어느 한 항의 폴리아미드 수지를 포함하는 폴리아미드 수지 조성물로부터 형성된 성형품.
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JP2017555788A JP6837007B2 (ja) | 2015-04-29 | 2016-04-08 | ポリアミド樹脂、これを含むポリアミド樹脂組成物、その製造方法およびこれを含む成形品 |
EP16786661.5A EP3290459A4 (en) | 2015-04-29 | 2016-04-08 | Polyamide resin, polyamide resin composition containing same, preparation method therefor, and molded product including same |
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US10385166B2 (en) | 2015-04-29 | 2019-08-20 | Lotte Advanced Materials Co., Ltd. | Polyamide resin, polyamide resin composition containing same, preparation method therefor, and molded product including same |
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US20180016394A1 (en) | 2018-01-18 |
EP3290459A4 (en) | 2019-01-02 |
EP3290459A1 (en) | 2018-03-07 |
KR20160129217A (ko) | 2016-11-09 |
KR101811919B1 (ko) | 2017-12-26 |
JP2018514619A (ja) | 2018-06-07 |
US10385166B2 (en) | 2019-08-20 |
JP6837007B2 (ja) | 2021-03-03 |
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