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    RESIN COMPOSITION FOR POWDER COATINGS
    11.
    发明申请
    RESIN COMPOSITION FOR POWDER COATINGS 有权

    公开(公告)号：US20220056279A1

    公开(公告)日：2022-02-24

    申请号：US17309761

    申请日：2019-12-20

    Applicant: ARKEMA FRANCE

    Inventor： Takehiro FUKUYAMA ,  Mathieu CAPELOT ,  Samuel DEVISME ,  Antoni NOGUES ,  Lluis CASADEVALL

    IPC: C09D5/03 ,  C09D127/16 ,  C09D167/02

    Abstract: The invention relates to a resin composition comprising a blend of: a) 10 to 90% by weight of at least one fluoropolymer resin and b) 90 to 10% by weight of at least one semi- crystalline polyester resin, based on the total weight of the fluoropolymer resin and semi-crystalline polymer resin. The invention also relates to a method for producing such resin composition, to a powder coating composition comprising such resin composition and to the use of such resin composition, in particular for architectural powder coating.

    METHOD FOR MANUFACTURING A FIBROUS MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER
    12.
    发明申请
    METHOD FOR MANUFACTURING A FIBROUS MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER 有权

    公开(公告)号：US20210276225A1

    公开(公告)日：2021-09-09

    申请号：US17327831

    申请日：2021-05-24

    Applicant: Arkema France

    Inventor： Gilles HOCHSTETTER ,  Mathieu CAPELOT ,  Thibaut SAVART ,  Arthur Pierre BABEAU ,  Denis HUZE ,  François TANGUY ,  Patrice GAILLARD

    IPC: B29B15/12 ,  B29C35/08

    Abstract: An impregnated fibrous material comprising a fibrous material of continuous fibers and at least one thermoplastic polymer matrix, wherein at least one thermoplastic polymer is a non-reactive amorphous polymer whose glass transition temperature is such that Tp≥80° C., or a non-reactive semi-crystalline polymer whose melting temperature is Tf≥150° C., where Tg and Tf are determined by differential scanning calorimetry (DSC) according to standard 11357-2:2013 and 11357-3:2013 respectively, a fiber content by volume is constant in at least 70% of the volume of the impregnated fibrous material, the fiber content in said impregnated fibrous material being between 45 and 65% by volume on both sides of said fibrous material, a porosity rate in said impregnated fibrous material being less than 10%.

    SEMI-CRYSTALLINE POLYAMIDE COMPOSITION HAVING A HIGH GLASS TRANSITION TEMPERATURE AND A HIGH MELTING TEMPERATURE FOR A THERMOPLASTIC MATERIAL, PRODUCTION METHOD THEREOF AND USES OF SAME
    13.
    发明申请
    SEMI-CRYSTALLINE POLYAMIDE COMPOSITION HAVING A HIGH GLASS TRANSITION TEMPERATURE AND A HIGH MELTING TEMPERATURE FOR A THERMOPLASTIC MATERIAL, PRODUCTION METHOD THEREOF AND USES OF SAME 审中-公开

    公开(公告)号：US20200024395A1

    公开(公告)日：2020-01-23

    申请号：US16495898

    申请日：2018-03-23

    Applicant: Arkema France

    Inventor： Mathieu CAPELOT

    IPC: C08G69/26 ,  C08G69/28 ,  B29C45/00

    Abstract: The invention relates to a composition for a thermoplastic material comprising: 0 to 70% by weight, preferably 20 to 60% by weight, of short reinforcing fibers, 30 to 100% by weight, preferably 40 to 80% by weight, of a thermoplastic matrix based on at least one semi-crystalline polyamide polymer, 0 to 50% of additives and/or other polymers, where said semi-crystalline polyamide polymer is: a) a reactive composition comprising or consisting of at least one reactive polyamide prepolymer precursor of said semi-crystalline polyamide polymer, or in alternative to a), b) a non-reactive composition of at least one polyamide polymer where said composition is that of said thermoplastic matrix defined above, and said reactive polyamide prepolymer for the composition a) and said polyamide polymer for the composition b) comprising or consisting of at least one BACT/XT copolyamide.

    METHOD FOR PRODUCING PARTS MADE OF A COMPOSITE MATERIAL WITH REINFORCERS
    14.
    发明申请
    METHOD FOR PRODUCING PARTS MADE OF A COMPOSITE MATERIAL WITH REINFORCERS 审中-公开

    公开(公告)号：US20190153178A1

    公开(公告)日：2019-05-23

    申请号：US16091256

    申请日：2017-03-31

    Applicant: ARKEMA FRANCE

    Inventor： Gilles HOCHSTETTER ,  Mathieu CAPELOT

    IPC: C08J5/24 ,  C08J5/04 ,  B29C70/06

    Abstract: A method of manufacturing a component made of composite material whereby the said component is obtained from a preform containing local reinforcers and a first resin of low viscosity. The method includes: creation of the said preform comprising a first fibrous material and the said local reinforcers being in the form of reinforcers formed of a second fibrous material having fibres of mechanical strength greater than that of the fibres of the first fibrous material, so that they exhibit an elastic modulus or breaking stress at least 30% higher than that of the fibres of the said first fibrous material, the said second fibrous material being pre-impregnated with a thermoplastic, acrylic or polyamide polymer second resin having a glass transition temperature (Tg) above 80° C., the amount of polymer second resin being comprised between 25% and 60% by volume with respect to the total volume of the said second fibrous material.

    SEMI-CRYSTALLINE POLYAMIDE COMPOSITION WITH HIGH GLASS TRANSITION TEMPERATURE FOR THERMOPLASTIC MATERIAL, PROCESS FOR MANUFACTURING SAME AND USES THEREOF
    15.
    发明申请
    SEMI-CRYSTALLINE POLYAMIDE COMPOSITION WITH HIGH GLASS TRANSITION TEMPERATURE FOR THERMOPLASTIC MATERIAL, PROCESS FOR MANUFACTURING SAME AND USES THEREOF 审中-公开

    公开(公告)号：US20190040198A1

    公开(公告)日：2019-02-07

    申请号：US15758968

    申请日：2017-07-10

    Applicant: ARKEMA FRANCE

    Inventor： Mathieu CAPELOT ,  Gilles HOCHSTETTER

    IPC: C08G69/26 ,  C08G69/36 ,  C08K7/02

    Abstract: The invention relates to a composition for thermoplastic material comprising: 0 to 70% by weight, preferentially 20% to 60% by weight, of short reinforcing fibers, 30% to 100% by weight, preferentially 40% to 80% by weight, of a thermoplastic matrix based on at least one semi-crystalline polyamide polymer, 0 to 50% of additives and/or other polymers, said semi-crystalline polyamide polymer being: a) a reactive composition comprising or consisting of at least one reactive polyamide prepolymer which is a precursor of said semi-crystalline polyamide polymer, or, as an alternative to a), b) a nonreactive composition of at least one polyamide polymer, said composition being that of said thermoplastic matrix defined above, and said reactive polyamide prepolymer of the composition a) and said polyamide polymer of the composition b) comprising or consisting of at least one BACT/XT copolyamide.

    METHOD FOR MANUFACTURING A FIBROUS MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER
    16.
    发明申请
    METHOD FOR MANUFACTURING A FIBROUS MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER 审中-公开

    公开(公告)号：US20200223102A1

    公开(公告)日：2020-07-16

    申请号：US16623946

    申请日：2018-06-21

    Applicant: Arkema France

    Inventor： Gilles HOCHSTETTER ,  Mathieu CAPELOT ,  Thibaut SAVART ,  Arthur Pierre BABEAU ,  Denis HUZE ,  François TANGUY ,  Patrice GAILLARD

    IPC: B29B15/12 ,  B29C35/08

    Abstract: A method of manufacturing an impregnated fibrous material including a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix, the method including pre-impregnating the fibrous material while it is in the form of a roving or several parallel rovings with the thermoplastic material and heating the thermoplastic matrix for melting, or maintaining in the molten state, the thermoplastic polymer after pre-impregnation, the at least one heating step being carried out by means of at least one heat-conducting spreading part (E) and at least one heating system, with the exception of a heated calendar, the roving or the rovings being in contact with part or all of the surface of the at least one spreading part (E) and partially or wholly passing over the surface of the at least one spreading part (E) at the level of the heating system.

    THERMOPLASTIC COMPOSITION MADE FROM A POLYAMIDE POLYMER OBTAINED FROM A PREPOLYMER AND A CHAIN EXTENDER AND MANUFACTURING METHOD
    20.
    发明申请
    THERMOPLASTIC COMPOSITION MADE FROM A POLYAMIDE POLYMER OBTAINED FROM A PREPOLYMER AND A CHAIN EXTENDER AND MANUFACTURING METHOD 审中-公开
    来自预聚物和链延伸剂获得的聚酰胺聚合物的热塑性组合物和制造方法

    公开(公告)号：US20170037185A1

    公开(公告)日：2017-02-09

    申请号：US15304589

    申请日：2015-04-14

    Applicant: ARKEMA FRANCE

    Inventor： Thierry BRIFFAUD ,  Gilles HOCHSTETTER ,  Mathieu CAPELOT

    IPC: C08G69/26 ,  B29C45/00

    CPC classification number: C08G69/265 ,  B29C45/0005 ,  B29C70/06 ,  B29K2077/00 ,  B29L2007/002 ,  C08J5/04 ,  C08J2377/06 ,  C08J2377/12 ,  C08L77/06 ,  C08L77/12

    Abstract: A composition including at least one polyamide polymer obtained from at least one reactive polyamide prepolymer including at least one chain extender (PA1-All1-PA1), the polyamide polymer being prepared at a temperature T1 no lower than the temperature melting temperature or glass transition temperature of the polymer and having a mean molecular weight Mn1. The composition has a melt viscosity which can be modulated according to the temperature to which the composition is exposed, wherein the temperature is between T2 and T3, T2 and T3 being higher than T1, and the melt viscosity η2 or η′3 observed at the temperature T2 or T3, respectively, being lower than the melt viscosity η2 or η3 of the polyamide polymer, which does not include a chain extender and has the same mean molecular weight Mn1(PA1) observed at the same temperature T2 or T3. The composition includes one or more polyamides.

    Abstract translation: 一种组合物，其包含至少一种聚酰胺聚合物，其由至少一种包含至少一种扩链剂（PA1-All1-PA1）的反应性聚酰胺预聚物获得，所述聚酰胺聚合物在不低于温度熔融温度或玻璃化转变温度 的聚合物并且具有平均分子量Mn1。 该组合物具有根据组合物暴露温度调节的熔体粘度，其中温度在T2和T3之间，T2和T3高于T1，熔体粘度η2或η'3 温度T2或T3分别低于聚酰胺聚合物的熔体粘度η2或η3，聚酰胺聚合物不包含扩链剂，并且在相同温度T2或T3下观察到相同的平均分子量Mn1（PA1）。 该组合物包括一种或多种聚酰胺。

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