公开(公告)号：US20190152886A1

公开(公告)日：2019-05-23

申请号：US15982453

申请日：2018-05-17

Applicant: ARKEMA FRANCE

Inventor： Julien JOUANNEAU ,  Jérôme AMSTUTZ ,  Guillaume VINCENT

IPC: C07C45/51 ,  C07C45/79 ,  C07C45/30 ,  C08G61/12

Abstract: A method for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), including: reacting terephthaloyl chloride with diphenyl ether in a reaction solvent and in the presence of a Lewis acid, so as to obtain a product mixture including a 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex; contacting the product mixture with a protic solvent, so as to obtain a first phase containing the Lewis acid and a second phase containing 1,4-bis(4-phenoxybenzoylbenzene); heating at least the second phase up to a maximum temperature, followed by cooling the second phase down to a separation temperature; subjecting at least the second phase to a solid/liquid separation step at the separation temperature, so as to recover solid 1,4-bis(4-phenoxybenzoylbenzene).

公开(公告)号：US20240101820A1

公开(公告)日：2024-03-28

申请号：US18266598

申请日：2021-12-13

Applicant: ARKEMA FRANCE

Inventor： Guillaume VINCENT ,  Mathieu SABARD

IPC: C08L77/02 ,  C08G69/08 ,  C08G69/40 ,  C08K3/40 ,  C08K7/28

CPC classification number: C08L77/02 ,  C08G69/08 ,  C08G69/40 ,  C08K3/40 ,  C08K7/28 ,  C08G2120/00 ,  C08K2201/003 ,  C08K2201/014 ,  C08L2205/03 ,  C08L2205/06

Abstract: The present invention relates to a molding composition, comprising by weight:



(A) 38 to 87% of at least one semi-crystalline aliphatic polyamide,
(B) 3 to 25% of a hollow glass reinforcement,
(C) 5% to 30% glass fibers,
(D) 5 to 15% of at least one impact modifier chosen from a polyolefin, a polyether block amide (PEBA-1) and a mixture thereof, the polyolefin and the PEBA-1 having a flexural modulus less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178:2010, at 23° C.,
(E) 0 to 2% by weight of at least one additive,
the sum of the proportions of each constituent of said composition being equal to 100%,
the density of the composition being less than 1.12 g/cm3.

公开(公告)号：US20230331913A1

公开(公告)日：2023-10-19

申请号：US18006223

申请日：2021-07-19

Applicant: ARKEMA FRANCE

Inventor： Guillaume VINCENT ,  Mathieu SABARD ,  Yu SUN

IPC: C08G69/40 ,  C08K7/28

CPC classification number: C08G69/40 ,  C08K7/28 ,  C08K2201/003

Abstract: The present invention relates to a moulding composition comprising by weight: (A) 65% to 98%, in particular 65% to 95%, of at least one copolyamide with amide units (Ba1) and polyether units (Ba2), (B) 2% to 30%, in particular 5% to 30%, of hollow glass reinforcement, (C) 0 to 5%, preferably 0.1% to 2%, of at least one additive, the sum of the proportions of each constituent (A) + (B) + (C) of the composition being equal to 100%.

公开(公告)号：US20220306838A1

公开(公告)日：2022-09-29

申请号：US17617877

申请日：2020-06-10

Applicant: Arkema France

Inventor： Guillaume VINCENT ,  Stéphane BIZET ,  Clémence PACE ,  Marie POMMIER DE SANTI

IPC: C08K7/28 ,  C08K7/14 ,  B29C45/00

Abstract: The use of a mixture of solid and hollow glass reinforcements with an alloy of at least one polyamide and at least one polyolefin, the mixture of solid and hollow glass reinforcements including from 5 to 50% by weight of hollow glass beads relative to the total of solid and hollow glass reinforcements for the dry preparation at 23° C. of a composition having a modulus at least equal to 8 GPa and a dielectric constant Dk less than or equal to 3.5 as measured according to ASTM D-2520-13, at a frequency of at least 1 GHz, at 23° C., under 50% RH.

公开(公告)号：US20250162215A1

公开(公告)日：2025-05-22

申请号：US18841259

申请日：2023-02-24

Applicant: ARKEMA FRANCE

Inventor： Romain DAVID ,  Guillaume VINCENT ,  Clémence PACE

IPC: B29C45/00 ,  B29C45/14 ,  B29K96/04 ,  B29K309/08 ,  B29K701/12

Abstract: The present invention relates to an article comprising a first polymer material comprising at least one copolymer comprising PA polyamide blocks and PE polyether blocks (PEBA) and a second polymer material comprising a thermoplastic elastomer (TPE) polymer, the first polymer material and the second polymer material adhering directly to one another, and the first polymer material comprising hollow glass beads. The present invention also relates to the assembly of the first polymer material comprising hollow glass beads and of the second polymer material by a direct adhesion process.

公开(公告)号：US20230399466A1

公开(公告)日：2023-12-14

申请号：US18248926

申请日：2021-10-12

Applicant: ARKEMA FRANCE

Inventor： Mathieu SABARD ,  Guillaume VINCENT ,  Cristian TITTOTO

IPC: C08G69/40 ,  C08K7/28 ,  C08K7/06

CPC classification number: C08G69/40 ,  C08K7/28 ,  C08K7/06 ,  C08K2201/003

Abstract: A molding composition including by weight: (A) 45% to 90%, particularly 60% to 80%, more particularly 62.5% to 77.5% of at least one copolyamide with amide units (Bal) and polyether units (Ba2), (B) 5% to 30%, particularly 10% to 20%, more particularly 12.5% to 17.5% of carbon fibers, (C) 5% to 20%, particularly 10% to 15% of a hollow glass reinforcement, (D) 0% to 5%, preferably 0.1% to 2% of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D) of the composition being equal to 100%.

公开(公告)号：US20190135721A1

公开(公告)日：2019-05-09

申请号：US15981439

申请日：2018-05-16

Applicant: ARKEMA FRANCE

Inventor： Julien JOUANNEAU ,  Guillaume LE ,  Guillaume VINCENT

IPC: C07C45/46 ,  C08G65/40

CPC classification number: C07C45/46 ,  C08G61/127 ,  C08G65/4012 ,  C08G2261/3442 ,  C08G2261/45 ,  C08G2650/62 ,  C07C49/84

Abstract: A method for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), including: providing a reactant mixture including terephthaloyl chloride, diphenyl ether and a Lewis acid in a solvent; reacting terephthaloyl chloride with diphenyl ether, so as to obtain a product mixture including a 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex; wherein the 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex is dissolved in the solvent at a 1,4-bis(4-phenoxybenzoylbenzene) weight concentration in the solvent which is higher than the saturation limit of the 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex during at least part of the step of reacting terephthaloyl chloride with diphenyl ether.

公开(公告)号：US20250002678A1

公开(公告)日：2025-01-02

申请号：US18710871

申请日：2022-11-15

Applicant: ARKEMA FRANCE

Inventor： Guillaume VINCENT ,  Mathieu SABARD

IPC: C08K3/04 ,  B29C45/00 ,  B29K77/00 ,  B29K307/04 ,  C08K7/06 ,  C08K9/08

Abstract: The present invention relates to a molding composition comprising, by weight: a) from 50% to 99% of a semicrystalline aliphatic polyamide exhibiting an inherent viscosity of less than or equal to 1.10, in particular of less than or equal to 1.00, in particular of less than or equal to 0.95, especially of less than or equal to 0.9, as determined according to the standard ISO 307:2007 but while using m-cresol instead of sulfuric acid, a temperature of 20° C. and a concentration of 0.5% by weight, b) from 1% to 50% of recycled carbon fibers exhibiting a mean length of less than or equal to 6 mm before compounding, said recycled carbon fibers being surface-coated (sized) with a polyamide, in particular an aliphatic polyamide, c) from 0% to 5% of at least one additive, the sum of the components a), b) and c) being equal to 100%.

公开(公告)号：US20210155570A1

公开(公告)日：2021-05-27

申请号：US16613454

申请日：2018-05-17

Applicant: Arkema France

Inventor： Julien JOUANNEAU ,  Jérome AMSTUTZ ,  Guillaume VINCENT

IPC: C07C45/41 ,  C07C45/79 ,  C08G61/12 ,  C08G65/40

Abstract: A method for manufacturing 1,4-bis(4-phenoxybenzoyl)benzene, including: reacting terephthaloyl chloride with diphenyl ether in a reaction solvent and in the presence of a Lewis acid, so as to obtain a product mixture comprising a 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex; putting the product mixture in contact with a protic solvent, so as to obtain a first phase containing the Lewis acid and a second phase containing 1,4-bis(4-phenoxybenzoyl)benzene; heating at least the second phase up to a maximum temperature, followed by cooling the second phase down to a separation temperature; subjecting at least the second phase to a solid/liquid separation step at the separation temperature, so as to recover solid 1,4-bis(4-phenoxybenzoyl)benzene.

公开(公告)号：US20200087456A1

公开(公告)日：2020-03-19

申请号：US16609790

申请日：2018-05-16

Applicant: Arkema France

Inventor： Guillaume LE ,  Guillaume VINCENT ,  Julien JOUANNEAU

IPC: C08G65/40 ,  C07C45/46

Abstract: The invention relates to a method for manufacturing 1,4-bis(4-phenoxybenzoylbenzene), comprising: providing a reactant mixture comprising terephthaloyl chloride, diphenyl ether and a Lewis acid in a solvent; reacting terephthaloyl chloride with diphenyl ether, so as to obtain a product mixture comprising a 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex; wherein the 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex is dissolved in the solvent at a 1,4-bis(4-phenoxybenzoylbenzene) weight concentration in the solvent which is higher than the saturation limit of the 1,4-bis(4-phenoxybenzoylbenzene)-Lewis acid complex during at least part of the step of reacting terephthaloyl chloride with diphenyl ether.