FR3111351B1 - Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation - Google Patents
Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation Download PDFInfo
- Publication number
- FR3111351B1 FR3111351B1 FR2006054A FR2006054A FR3111351B1 FR 3111351 B1 FR3111351 B1 FR 3111351B1 FR 2006054 A FR2006054 A FR 2006054A FR 2006054 A FR2006054 A FR 2006054A FR 3111351 B1 FR3111351 B1 FR 3111351B1
- Authority
- FR
- France
- Prior art keywords
- hollow glass
- solid
- less
- gpa
- dielectric constant
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 239000000203 mixture Substances 0.000 title abstract 6
- 239000004952 Polyamide Substances 0.000 title abstract 2
- 229920002647 polyamide Polymers 0.000 title abstract 2
- 239000011521 glass Substances 0.000 abstract 9
- 230000002787 reinforcement Effects 0.000 abstract 6
- 239000007787 solid Substances 0.000 abstract 6
- 239000011324 bead Substances 0.000 abstract 3
- 239000000956 alloy Substances 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 229920000098 polyolefin Polymers 0.000 abstract 1
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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/28—Glass
-
- 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
- C08G69/36—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/02—Enhancing the particle separation by electrostatic or magnetic effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
La présente invention concerne l’utilisation d’un mélange de renforts de verre plein et creux avec un alliage constitué d’au moins un polyamide et d’au moins une polyoléfine, ledit mélange de renforts de verre plein et creux comprenant de 5 à 60% en poids de billes de verre creuses par rapport au total des renforts de verre plein et creux, en particulier de 5 à 55% en poids de billes de verre creuses par rapport au total des renforts de verre plein et creux, plus particulièrement de 5 à 45% en poids de billes de verre creuses par rapport au total des renforts de verre plein et creux, les proportions alliage-mélange étant de plus de 50% à 75%, en particulier de 55 à 70%, notamment de 55 à 65% dudit alliage et de 25% à moins de 50%, en particulier de 30 à 45%, notamment de 35 à 45% en poids dudit mélange de renfort de verre plein et creux, pour préparer une composition présentant un module, à sec à 20°C, compris de 5 GPa à moins de 8 GPa, en particulier de 6 GPa à moins de 8 GPa, et une constante diélectrique Dk, inférieure ou égale à 3,1, notamment inférieure ou égale à 3,0, en particulier inférieure ou égale à 2,9 telle que mesurée selon ASTM D-2520-13, à une fréquence d’au moins 1 GHz, notamment à une fréquence d’au moins 2 GHz, en particulier à une fréquence d’au moins 3 GHz, à 23°C, sous 50%RH.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2006054A FR3111351B1 (fr) | 2020-06-10 | 2020-06-10 | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation |
KR1020237000670A KR20230025693A (ko) | 2020-06-10 | 2021-06-09 | 높은 모듈러스 및 낮은 유전 상수를 갖는 폴리아미드 조성물 및 이의 용도 |
US18/001,158 US20230220202A1 (en) | 2020-06-10 | 2021-06-09 | Polyamide compositions having a high modulus and a low dielectric constant and use thereof |
CN202180041972.3A CN115702198A (zh) | 2020-06-10 | 2021-06-09 | 具有高模量和低介电常数的聚酰胺组合物及其用途 |
PCT/FR2021/051033 WO2021250352A1 (fr) | 2020-06-10 | 2021-06-09 | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation |
EP21736630.1A EP4165126A1 (fr) | 2020-06-10 | 2021-06-09 | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation |
JP2022574778A JP2023529869A (ja) | 2020-06-10 | 2021-06-09 | 高弾性率及び低誘電率を有するポリアミド組成物及びその使用 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2006054 | 2020-06-10 | ||
FR2006054A FR3111351B1 (fr) | 2020-06-10 | 2020-06-10 | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3111351A1 FR3111351A1 (fr) | 2021-12-17 |
FR3111351B1 true FR3111351B1 (fr) | 2022-09-09 |
Family
ID=72266554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2006054A Active FR3111351B1 (fr) | 2020-06-10 | 2020-06-10 | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230220202A1 (fr) |
EP (1) | EP4165126A1 (fr) |
JP (1) | JP2023529869A (fr) |
KR (1) | KR20230025693A (fr) |
CN (1) | CN115702198A (fr) |
FR (1) | FR3111351B1 (fr) |
WO (1) | WO2021250352A1 (fr) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1237309B (de) | 1965-09-11 | 1967-03-23 | Bayer Ag | Verfahren zur Herstellung waermestabilisierter Polyamide |
DE19847627A1 (de) | 1998-10-15 | 2000-04-20 | Brueggemann L Kg | Mit Kupferkomplexen und organischen Halogenverbindungen stabilisierte Polyamidzusammensetzung |
FR2858626B1 (fr) | 2003-08-05 | 2005-10-07 | Atofina | Polyamides semi aromatiques souple a faible reprise en humidite |
ATE445660T1 (de) | 2007-05-03 | 2009-10-15 | Ems Patent Ag | Teilaromatische polyamidformmassen und deren verwendungen |
FR2932808B1 (fr) * | 2008-06-20 | 2010-08-13 | Arkema France | Copolyamide, composition comprenant un tel copolyamide et leurs utilisations. |
BR112012002474B1 (pt) | 2009-08-06 | 2019-08-13 | Arkema France | composição incluindo uma copoliamida e uma poliolefina reticulada, processo de preparo e uso da mesma |
KR101352792B1 (ko) * | 2011-11-04 | 2014-01-17 | 현대자동차주식회사 | 흡기계 하우징용 다공성 플라스틱 조성물 |
CN104262956A (zh) * | 2014-09-23 | 2015-01-07 | 苏州聚冠复合材料有限公司 | 超光亮、高流动性pa66/pa6增强填充的合金材料及其制备方法 |
CN107459805B (zh) * | 2016-06-06 | 2020-11-24 | 华为技术有限公司 | 一种基站天线罩及其制造方法 |
FR3057572A1 (fr) * | 2016-10-19 | 2018-04-20 | Arkema France | Utilisation d'un polyamide semi-aromatique dans un melange de polyamide aliphatique comprenant des fibres de verre a section circulaire pour limiter le gauchissement |
FR3097226B1 (fr) * | 2019-06-11 | 2021-11-26 | Arkema France | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation |
-
2020
- 2020-06-10 FR FR2006054A patent/FR3111351B1/fr active Active
-
2021
- 2021-06-09 US US18/001,158 patent/US20230220202A1/en active Pending
- 2021-06-09 WO PCT/FR2021/051033 patent/WO2021250352A1/fr unknown
- 2021-06-09 JP JP2022574778A patent/JP2023529869A/ja active Pending
- 2021-06-09 KR KR1020237000670A patent/KR20230025693A/ko active Search and Examination
- 2021-06-09 EP EP21736630.1A patent/EP4165126A1/fr active Pending
- 2021-06-09 CN CN202180041972.3A patent/CN115702198A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2021250352A1 (fr) | 2021-12-16 |
US20230220202A1 (en) | 2023-07-13 |
JP2023529869A (ja) | 2023-07-12 |
EP4165126A1 (fr) | 2023-04-19 |
FR3111351A1 (fr) | 2021-12-17 |
KR20230025693A (ko) | 2023-02-22 |
CN115702198A (zh) | 2023-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR3097226B1 (fr) | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation | |
US20120103183A1 (en) | Wear-resistant antifriction lacquer for coating engine pistons | |
Karger-Kocsis et al. | Dynamic mechanical and impact properties of polypropylene/EPDM blends | |
FR3117499B1 (fr) | Compositions de moulage à base de polyamide, de fibres de verre et de renfort de verre creux et leur utilisation | |
WO2007012575A3 (fr) | Preparations pigmentaires solides contenant des additifs tensioactifs solubles dans l'eau et des agents antioxydants | |
HK1076244A1 (en) | Composition containing a cationic polymer with a high charge density and a conditioning agent | |
Vilà Ramirez et al. | Enhancement of POM thermooxidation resistance through POSS nanoparticles | |
MA31633B1 (fr) | Compositions de ciment ayant un pouvoir photocatalytique eleve et une rheologie amelioree | |
WO2021006018A1 (fr) | Composition de caoutchouc pour amortisseurs de torsion | |
FR3111351B1 (fr) | Compositions de polyamide presentant un module eleve et une faible constante dielectrique et leur utilisation | |
MA34214B1 (fr) | Melange fluidifiant pour composition hydraulique | |
Van Puyvelde et al. | Effect of reactive compatibilization on the interfacial slip in nylon‐6/EPR blends | |
RU2348663C2 (ru) | Скользящая опора для применения в строительстве и ее материал | |
Imanifar et al. | Effects of peroxide and phenolic cure systems on characteristics of the filled ethylene–propylene–diene monomer rubber (EPDM) | |
FR2704557A1 (fr) | Alliage de revêtement à base d'Al et produit composite plaqué sur alliages 2000 ou 6000. | |
Nicolini et al. | Dynamically vulcanized PP/EPDM blends: Influence of curing agents on the morphology evolution | |
Di et al. | Morphology and mechanical properties of blends of thermoplastic polyurethane and polyolefins | |
FR2456130A1 (fr) | Composition de polymeres de propylene physiquement melanges | |
WO2019065465A1 (fr) | Composition de résine pour élément résistant à la poussière et au glissement, élément résistant à la poussière et au glissement ainsi que procédé de fabrication de celui-ci, plaque de support pour lève-glace, et procédé de développement de résistance à la poussière et au glissement | |
Pal et al. | Effect of fillers on morphological properties and wear characteristics of XNBR/NR blends | |
Trexler et al. | Effect of types of carbon black and cure conditions on dynamic mechanical properties of elastomers | |
Wu et al. | Thermal and mechanical properties of silicon rubber/cis‐polybutadiene rubber/ethylene–propylene–diene monomer blends | |
Sheta et al. | Shear behaviour of thin-walled composite cold-formed steel/PE-ECC beams | |
Zhang et al. | The morphology and property of ultra‐fine full‐vulcanized acrylonitrile butadiene rubber particles/EPDM blends | |
JP6944811B2 (ja) | 摺動部材用樹脂材料及び摺動部材 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20211217 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
PLFP | Fee payment |
Year of fee payment: 5 |