WO2021044880A1 - Composition de résine de polyamide ignifuge et article moulé la comprenant - Google Patents

Composition de résine de polyamide ignifuge et article moulé la comprenant Download PDF

Info

Publication number
WO2021044880A1
WO2021044880A1 PCT/JP2020/031721 JP2020031721W WO2021044880A1 WO 2021044880 A1 WO2021044880 A1 WO 2021044880A1 JP 2020031721 W JP2020031721 W JP 2020031721W WO 2021044880 A1 WO2021044880 A1 WO 2021044880A1
Authority
WO
WIPO (PCT)
Prior art keywords
mass
parts
polyamide resin
flame
polyamide
Prior art date
Application number
PCT/JP2020/031721
Other languages
English (en)
Japanese (ja)
Inventor
和樹 岩村
信宏 吉村
Original Assignee
東洋紡株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東洋紡株式会社 filed Critical 東洋紡株式会社
Priority to JP2021543701A priority Critical patent/JPWO2021044880A1/ja
Publication of WO2021044880A1 publication Critical patent/WO2021044880A1/fr

Links

Classifications

    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/527—Cyclic esters
    • 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
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • 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

Definitions

  • the present invention relates to a non-halogen-based flame-retardant polyamide resin composition. More specifically, the present invention relates to a non-halogen-based flame-retardant polyamide resin composition having high flame retardancy, good toughness, and excellent heat-resistant discoloration.
  • Polyamide resins are used in various fields such as electrical / electronic parts and automobile parts by utilizing their excellent mechanical properties, electrical properties, chemical resistance and the like.
  • melamine cyanurate is used as a flame retardant when it is required to impart flame retardancy with a non-strengthening and non-halogen flame retardant (for example, Patent Documents 1 and 2).
  • melamine cyanurate has poor dispersibility in the polyamide resin, the mechanical properties of the polyamide resin deteriorate, bleeding when the blending amount is large, and it is easily decomposed into melamine and cyanuric acid by thermal decomposition and sublimated, and sublimated melamine.
  • cyanuric acid silver is generated on the surface of the molded product during the molding process, and the surface of the mold is easily contaminated.
  • the present invention is suitable for molded parts having a thin-walled portion such as a hinge portion, has a UL94 thickness of 0.4 mm, has a flame retardancy of V-0 level, has no bleeding of a flame retardant, and has heat-resistant discoloration and moldability.
  • An object of the present invention is to provide a flame-retardant polyamide resin composition having excellent snap-fitting properties of parts.
  • the present inventors have completed the present invention as a result of diligent research in order to solve the above problems.
  • Polyamide resin (A) contains 97.5 to 94 parts by mass and melamine cyanurate (B) 2.5 to 6 parts by mass, and the polyamide resin (A) is a polyamide 66 resin (A-1). ) 50 to 80 parts by mass, 15 to 45 parts by mass of the polyamide 6 resin (A-2), and a phosphorus-based antioxidant () with respect to a total of 100 parts by mass of the components (A) and (B).
  • C) is 0.01 to 1 part by mass
  • hindered phenol-based antioxidant (D) is 0.01 to 1 part by mass
  • fatty acid metal salt-based lubricant (E) is 0.05 to 1 part by mass.
  • a flame-retardant polyamide resin composition which is characterized by being contained in.
  • a molded product having a hinge portion which comprises the flame-retardant polyamide resin composition according to any one of [1] to [3].
  • the flame-retardant polyamide resin composition of the present invention is excellent not only in heat-resistant discoloration and moldability, but also in snap-fitting because the molded product has appropriate elasticity and high breaking strength.
  • the polyamide resin (A) in the present invention is not particularly limited as long as it is a polymer having an amide bond (-NHCO-) in the main chain.
  • the polyamide resin (A) is preferably crystalline, for example, polyamide 6 (PA6), polyamide 66 (PA66), polyamide 46 (PA46), polyamide 11 (PA11), polyamide 12 (PA12), polyamide 610 (PA610).
  • PA612 Polyamide 612
  • PAMXD6 Polymethaxylylene adipamide
  • PA6T Hexamethylenediamine-terephthalic acid polymer
  • PA6T / 66 Hexamethylenediamine-terephthalic acid and adipic acid polymer
  • PA6T / 6 trimethylhexamethylenediamine-terephthalic acid polymer
  • PATMD-T trimethylhexamethylenediamine-terephthalic acid polymer
  • PAMXD6 / MXDI metaxylylene diamine and adipic acid and isophthalic acid copolymer
  • PATMDT / 6 diaminodicyclohexylenemethane and isophthalic acid and lauryllactam copolymer, or blends thereof.
  • PATMDT / 6 diaminodicyclohexylenemethane and isophthalic acid and lauryllactam copolymer, or blends thereof.
  • PATMDT / 6 diaminodicyclohexylenemethane and isophthalic acid and lauryllactam copolymer, or blends thereof.
  • PATMDT / 6 diaminodicyclohexylenemethane and isophthalic acid and lauryllactam cop
  • the blending amount (content) of the polyamide resin (A) is 97.5 to 94 parts by mass when the total of the polyamide resin (A) and the melamine cyanurate (B) is 100 parts by mass.
  • the blending amount (content) of the polyamide resin (A) is preferably 97 to 94.5 parts by mass, more preferably 97 to 95 parts by mass.
  • the blending amount of each component is the content as it is.
  • the polyamide resin (A) in the present invention is preferably a mixture of a polyamide 66 resin (A-1) and a polyamide 6 resin (A-2) in terms of excellent moldability, melt fluidity, flame retardancy, and the like. Is.
  • Examples of the polyamide 66 resin (A-1) in the present invention include a polyamide 66 resin obtained by polycondensing adipic acid and hexamethylenediamine as raw materials.
  • the relative viscosity of the polyamide 66 resin (A-1) is a value measured at a concentration of 1% in 98% sulfuric acid and a temperature of 25 ° C. according to JIS K6810, and is preferably 2.2 to 3.5. If the relative viscosity is less than 2.2, the mechanical properties tend to deteriorate, and if it exceeds 3.5, the melt fluidity tends to be insufficient.
  • the relative viscosity of the polyamide 66 resin (A-1) is more preferably 2.3 to 3.0.
  • the terminal amino group concentration of the polyamide 66 resin (A-1) is not particularly limited, but is preferably 50 to 90 eq / ton, and more preferably 60 to 80 eq / ton in terms of heat-resistant discoloration.
  • the blending amount of the polyamide 66 resin (A-1) is preferably 50 to 80 parts by mass when the total of the polyamide resin (A) and the melamine cyanurate (B) is 100 parts by mass. If the blending amount of the polyamide 66 resin (A-1) exceeds 80 parts by mass, the hinge property (snap fit property) is lowered, and if it is less than 50 parts by mass, the molding processability is likely to be lowered.
  • the blending amount of the polyamide 66 resin (A-1) is more preferably 75 to 55 parts by mass from the viewpoint of the balance between snap fit and molding processability.
  • the polyamide 6 resin (A-2) in the present invention is a polyamide 6 resin obtained by polycondensation using ⁇ -caprolactam as a raw material.
  • the relative viscosity of the polyamide 6 resin (A-2) is a value measured at a concentration of 1% in 98% sulfuric acid and a temperature of 25 ° C. according to JIS K6810, and is preferably 2.0 to 4.5. If the relative viscosity is less than 2.0, the mechanical properties tend to deteriorate, and if it exceeds 4.5, the flame retardancy tends to be impaired.
  • the relative viscosity of the polyamide 6 resin (A-2) is more preferably 2.2 to 3.5.
  • the terminal amino group concentration of the polyamide 6 resin (A-2) is not particularly limited, but is preferably 50 to 90 eq / ton, and more preferably 60 to 80 eq / ton in terms of heat-resistant discoloration.
  • the blending amount of the polyamide 6 resin (A-2) is preferably 15 to 45 parts by mass when the total of the polyamide resin (A) and the melamine cyanurate (B) is 100 parts by mass. If the blending amount of the polyamide 6 resin (A-2) is less than 15 parts by mass, the hinge property (snap fit property) tends to decrease, and if it exceeds 45 parts by mass, the molding processability tends to decrease.
  • the blending amount of the polyamide 6 resin (A-2) is more preferably 20 to 40 parts by mass from the viewpoint of the balance between snap fit and molding processability.
  • Amorphous polyamide resin (A-3) can also be blended to improve the appearance of the molded product.
  • examples of the amorphous polyamide resin include 4,4'-diamino-3,3'-dimethyldicyclohexylmethane (CA), 4,4'-diaminodicyclohexylmethane (PACM), metaxylylenediamine (MXD), and trimethylhexamethylene.
  • Diamines such as diamine (TMD), isophoronediamine (IA), 4,4'-diaminodicyclohexylpropane (PACP), hexamethylenediamine, and dicarboxylic acids such as terphthalic acid, isophthalic acid, adipic acid, sebacic acid, and dodecanedicarboxylic acid.
  • TMD diamine
  • IA isophoronediamine
  • PDP 4,4'-diaminodicyclohexylpropane
  • hexamethylenediamine and dicarboxylic acids
  • dicarboxylic acids such as terphthalic acid, isophthalic acid, adipic acid, sebacic acid, and dodecanedicarboxylic acid.
  • polymers, copolymers, blends, etc. obtained by polycondensation from acids and lactams such as caprolactam and lauryllactam can be exemplified.
  • Melamine cyanurate (B) As the melamine cyanurate (B) in the present invention, an equimolar reaction product of cyanuric acid and melamine is preferably mentioned. Further, a part of the amino group or the hydroxyl group in melamine cyanurate may be substituted with another substituent.
  • Melamine cyanurate can be obtained, for example, by mixing an aqueous solution of cyanuric acid and an aqueous solution of melamine, reacting them under stirring at 90 to 100 ° C., and filtering the produced precipitate. The obtained solid can be used as it is, but it is preferable to pulverize and use it if necessary.
  • the particle size is not particularly limited, but from the viewpoint of flame retardancy and toughness, the average particle size is preferably 0.5 to 20 ⁇ m, more preferably 1 to 15 ⁇ m.
  • the blending amount (content) of melamine cyanurate (B) is 2.5 to 6 parts by mass when the total of the polyamide resin (A) and melamine cyanurate (B) is 100 parts by mass. From the viewpoint of flame retardancy, it is 2.5 parts by mass or more, and from the viewpoint of toughness, it is 6 parts by mass or less. It is more preferably 3 to 5.5 parts by mass, and even more preferably 3 to 5 parts by mass. In the present invention, toughness is a property related to snap fit.
  • the phosphorus-based antioxidant (C) in the present invention may be an inorganic compound or an organic compound, and is not particularly limited.
  • Preferred phosphorus compounds include inorganic phosphates such as monosodium phosphate, disodium phosphate, trisodium phosphate, sodium phosphite, calcium phosphite, magnesium phosphite, manganese phosphite, and triphenylphos.
  • trioctadecylphosphite tridecylphosphite, triisodecylphosphite, trinonylphenylphosphite, diphenylisodecylphosphite, diphenylalkylphosphite, phenyldialkylphosphite, tris (nonylphenyl) phosphite, trilauryl Phosphite, distearyl pentaerythritol diphosphite, tris (2,4-di-tert-butylphenyl) phosphite, diisodecylpentaerythritol diphosphite, bis (2,4-di-tert-butylphenyl) pentaerythritol di Phosphite, bis (2,6-di-tert-butyl-4-methylphenyl) pentaerythrito
  • a phosphite compound is preferable.
  • a compound having a pentaerythritol diphosphite skeleton is preferable.
  • bis (2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphite (“Adecastab PEP-36", molecular weight 633), bis (2,4-di-tert-butyl) Phenyl) pentaerythritol diphosphite (“Adecastab PEP-24G”, molecular weight 604), distearyl pentaerythritol diphosphite (“Adecastab PEP-8”, molecular weight 733), bis (nonylphenyl) pentaerythritol diphosphite (“Nonylphenyl) pentaerythritol diphosphite” Those having a
  • the blending amount (content) of the phosphorus-based antioxidant (C) is 0.01 to 1 part by mass when the total of the polyamide resin (A) and the melamine cyanurate (B) is 100 parts by mass.
  • the blending amount of the phosphorus-based antioxidant (C) is preferably 0.1 to 0.5 parts by mass.
  • antioxidant (D) examples include N, N'-hexamethylene-bis-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionamide and bis (3).
  • the blending amount (content) of the hindered phenolic antioxidant (D) is 0.01 to 1 part by mass when the total of the polyamide resin (A) and the melamine cyanurate (B) is 100 parts by mass.
  • the blending amount of the hindered phenolic antioxidant (D) is preferably 0.1 to 0.5 parts by mass.
  • fatty acid metal salt lubricant (E) examples include metal salts of fatty acids having 12 to 40 carbon atoms such as stearic acid, palmitic acid, behenic acid, erucic acid, oleic acid, lauric acid, and montanic acid. Be done. Of these, metal salts of aliphatic carboxylic acids having 22 to 30 carbon atoms are preferable, and alkali metals such as behenic acid, lignoceric acid, and montanic acid, or alkaline earth metal salts are more preferable in terms of releasability. Examples of the alkali metal or alkaline earth metal include lithium, sodium, magnesium, calcium salts and the like.
  • the blending amount (content) of the fatty acid metal salt-based lubricant (E) is 0.05 to 1 part by mass when the total of the polyamide resin (A) and the melamine cyanurate (B) is 100 parts by mass. If it is less than 0.05 parts by mass, the releasability may be lowered, and if it exceeds 1 part by mass, the flame retardancy may be lowered.
  • the blending amount of the fatty acid metal salt-based lubricant (E) is preferably 0.1 to 0.8 parts by mass.
  • the flame-retardant polyamide resin composition of the present invention may contain other flame-retardant polyamide resin compositions in addition to the above-mentioned (A), (B), (C), (D) and (E) as long as the object of the present invention is not impaired.
  • Ingredients such as colorants such as pigments and dyes, additives such as heat stabilizers, weather resistance improvers, nucleating agents, plasticizers, mold release agents, antistatic agents, and other resin polymers can be added. ..
  • the flame-retardant polyamide resin composition of the present invention preferably occupies 80% by mass or more in total of the above-mentioned components (A), (B), (C), (D), and (E). It is more preferable to occupy 90% by mass or more, and further preferably to occupy 95% by mass or more.
  • a suitable molded part obtained by using the flame-retardant polyamide resin composition of the present invention is a molded product having a hinge portion, and specifically, a connector used in the fields of electrical / electronic parts, automobile parts, and the like. Molded parts with thin hinges such as coil bobbins, breakers, electromagnetic switches, holders, plugs, sockets, switches, cases, covers, etc. More specifically, ferrite core covers, binding bands, electrical wiring protection members, etc. , Heat-resistant discoloration and snap-fitting are required parts.
  • the method for producing the flame-retardant polyamide resin composition of the present invention is not particularly limited, and a general single-screw extruder, twin-screw extruder, pressure kneader, or the like can be used as the kneading device.
  • a twin-screw extruder is particularly preferred.
  • the above (A), (B), (C), (D), (E) and, depending on the application, pigments and the like are mixed and charged into a twin-screw extruder.
  • the kneading temperature of the twin-screw extruder is preferably 220 to 300 ° C., and the kneading time is preferably about 2 to 15 minutes.
  • C Phosphorus-based antioxidant
  • C1 ADEKA STAB PEP-36 (manufactured by ADEKA Corporation)
  • C2 ADEKA STAB 3010 (Triisodecylphosfite) (manufactured by ADEKA Corporation)
  • E Fatty acid metal salt lubricant
  • E1 Calcium montanate CS-8-CP (manufactured by Nitto Kasei Kogyo Co., Ltd.) Other mold release agents
  • E2 Aliphatic ester Recolve WE-40 (manufactured by Clariant Japan Co., Ltd.)
  • each raw material was weighed in the blending ratio of the polyamide resin composition shown in Table 1, mixed with a tumbler, and then put into a twin-screw extruder.
  • the set temperature of the twin-screw extruder was 250 ° C. to 300 ° C., and the kneading time was 5 to 10 minutes.
  • the obtained pellets were molded with various evaluation samples using an injection molding machine.
  • the cylinder temperature of the injection molding machine was 250 ° C. to 290 ° C., and the mold temperature was 80 ° C.
  • Combustibility Measured according to UL94, vertical combustion test. V-0 represents the highest flame retardancy. 5.
  • Bleedability A molded product of 100 mm ⁇ 100 mm with a thickness of 2 mm was allowed to stand at a constant temperature and humidity chamber set at a temperature of 80 ° C. and 95% RH for 96 hours at least twice, and then returned to room temperature to have precipitates on the surface. It was visually confirmed with a stereomicroscope. 6.
  • Thermal discoloration The color difference ( ⁇ E) between the pellets after the temperature was 120 ° C. and the time left in the oven for 8 hours and the pellets before treatment was calculated.
  • Moldability Molding was performed under the above molding temperature conditions using a mold equipped with a mold release force measuring device, and the mold release force from the 31st shot to the 35th shot was measured to obtain the mold release resistance value.
  • Examples 1 to 6 the tensile elongation is 20% or more, and the toughness inherent in the polyamide resin (A) is maintained. In addition, since the tensile strength is not significantly impaired, it is expected that good snap fit can be obtained. Even in terms of flame retardancy at a thickness of 0.4 mm, Examples 1 to 6 have achieved a V-0 evaluation. In terms of thermal discoloration, Examples 1 to 6 have a ⁇ E of 20 or less after 8 hours at 120 ° C., indicating that discoloration in a thermal environment is suppressed. In terms of moldability, the resistance value of the molded product at the time of mold release is 1 MPa or less, and the composition is extremely unlikely to be deformed or adhered during mold release even after continuous molding. ..
  • Example 6 comparing Examples 1 to 5 using a phosphorus-based antioxidant having a pentaerythritol diphosphite skeleton with Example 6 using a phosphorus-based antioxidant having no pentaerythritol diphosphite skeleton, the former has snap-fitting property and thermal discoloration. It can be seen that the property and moldability (mold release property) are more excellent.
  • Comparative Example 1 has a resistance value of 5 MPa at the time of mold release of the molded product, and the molded product can remain without being released during continuous molding. It is not preferable because it has sex.
  • Comparative Example 2 ⁇ E after 8 hours at 120 ° C. is 26, and the discoloration when placed in a thermal environment is large, which is not preferable as an external component.
  • Comparative Example 3 the flame retardancy at a thickness of 0.4 mm was evaluated as V-2, and it cannot be said that the flame retardancy is sufficiently maintained.
  • Comparative Example 4 has a tensile elongation of 17%, which is not preferable because brittle fracture due to insufficient snap-fitting property cannot be suppressed.
  • the flame-retardant polyamide resin composition of the present invention is suitable for a molded product having a hinge portion, and the obtained molded product is excellent in snap-fitting property, so that it is desired to have excellent snap-fitting property. It can be suitably used for automobile parts and the like.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Le problème décrit par la présente invention est de fournir une composition de résine de polyamide ignifuge qui est idéale pour un composant moulé ayant une partie à paroi mince telle qu'une partie de charnière, et qui a une excellente ininflammabilité tout en ayant également une excellente résistance à la décoloration à la chaleur et une excellente aptitude au moulage et qui confère une excellente aptitude à l'encliquetage au composant obtenu. La solution selon l'invention porte sur une composition de résine de polyamide ignifuge qui contient 97,5 à 94 parties en masse d'une résine de polyamide (A) et 2,5 à 6 parties en masse de cyanurate de mélamine (B), la résine de polyamide (A) contenant 50 à 80 parties en masse d'une résine de polyamide 66 (A-1) et 15 à 45 parties en masse d'une résine de polyamide 6 (A-2), et qui contient, par rapport à un total de 100 parties en masse de composants (A) et (B), 0,01 à 1 partie en masse d'un antioxydant de phosphore (C), 0,01 à 1 partie en masse d'un antioxydant phénolique encombré (D), et 0,05 à 1 partie en masse d'un lubrifiant à base de sel métallique d'acide gras (E).
PCT/JP2020/031721 2019-09-02 2020-08-21 Composition de résine de polyamide ignifuge et article moulé la comprenant WO2021044880A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021543701A JPWO2021044880A1 (fr) 2019-09-02 2020-08-21

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019159572 2019-09-02
JP2019-159572 2019-09-02

Publications (1)

Publication Number Publication Date
WO2021044880A1 true WO2021044880A1 (fr) 2021-03-11

Family

ID=74852794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/031721 WO2021044880A1 (fr) 2019-09-02 2020-08-21 Composition de résine de polyamide ignifuge et article moulé la comprenant

Country Status (3)

Country Link
JP (1) JPWO2021044880A1 (fr)
TW (1) TW202112966A (fr)
WO (1) WO2021044880A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022158383A1 (fr) * 2021-01-22 2022-07-28 東洋紡株式会社 Composition de résine de polyamide ignifuge et article moulé la comprenant
WO2022191078A1 (fr) * 2021-03-08 2022-09-15 東洋紡株式会社 Composition de résine de polyamide ignifuge et article moulé la comprenant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718179A (ja) * 1993-06-29 1995-01-20 Asahi Chem Ind Co Ltd 難燃性ポリアミド樹脂組成物
JPH1126060A (ja) * 1997-06-30 1999-01-29 Mitsubishi Eng Plast Kk ポリアミド樹脂製ヒンジ付コネクター
JP2003301104A (ja) * 2002-04-10 2003-10-21 Ube Ind Ltd 難燃性ポリアミド樹脂組成物及びその製造方法
JP2018035221A (ja) * 2016-08-29 2018-03-08 旭化成株式会社 車両用電気配線保護部材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718179A (ja) * 1993-06-29 1995-01-20 Asahi Chem Ind Co Ltd 難燃性ポリアミド樹脂組成物
JPH1126060A (ja) * 1997-06-30 1999-01-29 Mitsubishi Eng Plast Kk ポリアミド樹脂製ヒンジ付コネクター
JP2003301104A (ja) * 2002-04-10 2003-10-21 Ube Ind Ltd 難燃性ポリアミド樹脂組成物及びその製造方法
JP2018035221A (ja) * 2016-08-29 2018-03-08 旭化成株式会社 車両用電気配線保護部材

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022158383A1 (fr) * 2021-01-22 2022-07-28 東洋紡株式会社 Composition de résine de polyamide ignifuge et article moulé la comprenant
WO2022191078A1 (fr) * 2021-03-08 2022-09-15 東洋紡株式会社 Composition de résine de polyamide ignifuge et article moulé la comprenant

Also Published As

Publication number Publication date
JPWO2021044880A1 (fr) 2021-03-11
TW202112966A (zh) 2021-04-01

Similar Documents

Publication Publication Date Title
KR102460868B1 (ko) 난연성 및 우수한 장기 내열노화성을 가진 폴리아미드 성형 화합물
EP3009478B1 (fr) Composition de résine de polyamide et article moulé produit à partir de celle-ci
CA2539773C (fr) Composition ignifuge de resines polyamides aromatiques et articles formes a partir d'une telle composition
JPWO2020040282A1 (ja) ポリアミド及びポリアミド組成物
JP2013064032A (ja) ポリアミド樹脂組成物およびそれを成形してなる成形体
JP6130400B2 (ja) ハロゲンフリーの難燃性ポリアミド組成物の調整方法
WO2017082231A1 (fr) Composition de résine de polyamide et article moulé obtenu par moulage de cette dernière
EP1741753A1 (fr) Composition de resine a retard de flamme
US20140011925A1 (en) Halogen free flame retardant polyamide composition
KR20190025561A (ko) 열가소성 수지 조성물 및 그것을 성형해서 이루어지는 성형체
WO2015056765A1 (fr) Composition de résine de polyamide semi-aromatique et produit moulé formé par son moulage
JP7252199B2 (ja) 難燃性ポリアミド組成物およびそれらの使用
WO2021044880A1 (fr) Composition de résine de polyamide ignifuge et article moulé la comprenant
JPH11222553A (ja) 芳香族ポリアミド樹脂組成物
CN109071809B (zh) 包含含有吡咯烷酮的聚酰胺的聚酰胺混合物
CN110770300A (zh) 含磷和Al-膦酸盐的聚酰胺
JP7093104B2 (ja) 熱可塑性樹脂組成物およびそれを成形してなる成形体
JP2020056003A (ja) ポリアミド組成物及びその製造方法、並びに、成形品
JP7129086B2 (ja) ポリアミド樹脂組成物およびそれを成形してなる成形体
US20230279221A1 (en) Flame retardant-stabilizer combinations for flame-retardant polymers having improved hydrolysis stability and use thereof
WO2022191078A1 (fr) Composition de résine de polyamide ignifuge et article moulé la comprenant
JP5402628B2 (ja) 難燃性ポリアミド樹脂組成物及びそれを用いた成形体
JP6420995B2 (ja) 難燃性ポリアミド樹脂組成物およびその成形体
WO2022158383A1 (fr) Composition de résine de polyamide ignifuge et article moulé la comprenant
JP2003292774A (ja) 耐熱性難燃樹脂組成物

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20860597

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021543701

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20860597

Country of ref document: EP

Kind code of ref document: A1