Patents by Inventor Mathieu Sabard
Mathieu Sabard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240101820Abstract: 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.Type: ApplicationFiled: December 13, 2021Publication date: March 28, 2024Applicant: ARKEMA FRANCEInventors: Guillaume VINCENT, Mathieu SABARD
-
Publication number: 20240026153Abstract: A transparent molding composition including, by weight (with a total of 100%): (A) 35 to 84% of a polyamide mixture including: 10 to 95% by weight of at least one semi-crystalline aliphatic polyamide, whose average number of carbon atoms relative to nitrogen atoms is greater than or equal to 8; 90 to 5% by weight of at least one amorphous polyamide; (B) from over 10 to 30% of at least one impact modifier; (C) from 6 to 20% of short glass fibers; (D) 0 to 10% of at least one prepolymer; and (E) 0 to 5% of at least one additive selected from stabilizers, dyes, plasticizers, processing aids or a mixture thereof, the index of refraction of each constituent (A), (B), (C) and (D) being included between 1.500 and 1.540, and wherein said composition has no PEBA and has a dry-measured modulus at 23° C. over 1700 MPa.Type: ApplicationFiled: November 16, 2021Publication date: January 25, 2024Applicant: ARKEMA FRANCEInventors: Thomas PRENVEILLE, Mathieu SABARD, Fabrice GLASSON, Olivier MASSOT
-
Publication number: 20240002661Abstract: A transparent molding composition, including by weight: (a) from 30 to 90% of at least one (co)polyamide of formula PACMY/Z, (b) from 10 to 70% by weight of at least one semi-crystalline copolyamide of formula A/WS, (c) from 0 to 10% of at least one impact modifier chosen from the polyether block amides (PEBA) and the core-shell polymers, (d) from 0 to 2% by weight of at least one additive, (e) from 0 to 5% by weight of a prepolymer; the sum of the proportions of each constituent of said composition being equal to 100%, the composition having good alcohol resistance as determined by an ethanol resistance test.Type: ApplicationFiled: November 15, 2021Publication date: January 4, 2024Applicant: ARKEMA FRANCEInventors: Stefania CASSIANO GASPAR, Benoît BRULE, Mathieu SABARD, Regis CIPRIANI
-
Publication number: 20230399466Abstract: 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%.Type: ApplicationFiled: October 12, 2021Publication date: December 14, 2023Applicant: ARKEMA FRANCEInventors: Mathieu SABARD, Guillaume VINCENT, Cristian TITTOTO
-
Publication number: 20230391953Abstract: A composition including from: a) 35% to 100% by weight of at least one semicrystalline aliphatic polyamide and/or one polyamide of formula MXDZ wherein MXD is meta-xylylenediamine and Z is a C6 to C12 aliphatic dicarboxylic acid, the semicrystalline aliphatic polyamide and/or the polyamide of formula MXDZ having a total acidity between from 70 to 180 ?eq/g and a total basicity of less than 100 ?eq/g; b) 0 to 25% by weight of polyolefins; c) 0 to 60% by weight, of glass fibers; d) 0 to 2% by weight of at least one additive; e) 0 to 30% by weight of at least one flame retardant; the sum a)+b)+c)+d)+e) being equal to 100%, the semicrystalline aliphatic polyamide and/or the polyamide of formula MXDZ having a melt flow index (MFI) between from 4 to 50 g/10 min.Type: ApplicationFiled: January 26, 2022Publication date: December 7, 2023Applicant: ARKEMA FRANCEInventors: Clémence PACE, Vincent GUILLAUME, Mathieu SABARD
-
Publication number: 20230331913Abstract: 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%.Type: ApplicationFiled: July 19, 2021Publication date: October 19, 2023Applicant: ARKEMA FRANCEInventors: Guillaume VINCENT, Mathieu SABARD, Yu SUN
-
Publication number: 20230212393Abstract: Molding composition, including by weight: (A) from 38 to 79.5% of at least one semi-crystalline aliphatic polyamide with the exclusion of PA6 and PA66, (B) from 10 to 20% of carbon fibres, (C) from 10 to 20% of hollow glass beads, (D) from 5.5 to 10% of at least one impact modifier having a flexural modulus of less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178: 2010, at 23° C., and (E) from 0.1 to 1% by weight of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D)+(E) of the composition being equal to 100%.Type: ApplicationFiled: June 14, 2021Publication date: July 6, 2023Applicant: ARKEMA FRANCEInventors: Mathieu SABARD, Fabrice GLASSON, Cristian TITTOTO
-
Publication number: 20230127646Abstract: A composition including: (A) from 29 to 74% by weight of at least one semi-crystalline aliphatic polyamide, the semi-crystalline aliphatic polyamide obtained from the polycondensation: of at least one C6 to C18 amino acid; or at least one C6 to C18 lactam; or at least one C4 to C36 diamine Ca with at least one C4 to C3 diacid Cb; (B) from 25 to 70% by weight of glass fibers mainly of silica dioxide (SiO2), aluminum oxide (Al2O3) and magnesium oxide (MgO); the glass fibers (B) having from 62 to 66% by weight of SiO2; (C) from 1 to 20% by weight of at least one impact modifier; and (D) from 0 to 2% by weight of at least one additive, excluding copper chromite, zinc sulfide, titanium dioxide, calcium carbonate and a polyolefin-based colored masterbatch; the sum of the various constituents (A) to (D) being 100% by weight.Type: ApplicationFiled: March 23, 2021Publication date: April 27, 2023Applicant: ARKEMA FRANCEInventors: Mathieu SABARD, Benoît BRULE
-
Publication number: 20230060165Abstract: The field of molded articles and fiber-reinforced thermoplastic compositions for obtaining them. The use of the reinforced thermoplastic composition for obtaining a thin molded article with reduced warpage. The composition may include: from 30 to 70% by weight of an amorphous polyamide matrix by total weight of the composition; from 30 to 70% by weight of glass fibers with a circular cross-section by total weight of the composition; and optionally additives.Type: ApplicationFiled: June 25, 2020Publication date: March 2, 2023Applicant: Arkema FranceInventors: Stefânia CASSIANO GASPAR, Benoît BRULE, Mathieu SABARD, Xiong YAO, Marie POMMIER DE SANTI
-
Publication number: 20230057798Abstract: The field of molded articles and fiber-reinforced thermoplastic compositions for obtaining them. The use of the reinforced thermoplastic composition for obtaining a thin molded article with reduced warpage. The composition may include: from 30 to 70% by weight of an amorphous polyamide matrix by total weight of the composition; from 30 to 70% by weight of glass fibers with a circular cross-section by total weight of the composition; and optionally additives.Type: ApplicationFiled: June 28, 2019Publication date: February 23, 2023Applicant: Arkema FranceInventors: Mathieu SABARD, Benoît BRULE, Stefania CASSIANO GASPAR, Marie POMMIER DE SANTI, Xiong YAO
-
Publication number: 20220340753Abstract: The present invention relates to the use of a mixture of at least one semi-crystalline aliphatic polyamide and at least one amorphous polyamide, wherein the at least one semi-crystalline aliphatic polyamide is obtained by polycondensation: of at least one C6 to C18, preferentially C10 to C18, more preferentially C10 to C12 amino acid, or at least one C6 to C18, preferentially C10 to C18, more preferentially C10 to C12 lactam, or at least one C4-C36, preferentially C5-C18, preferentially C5-C12, more preferentially C10-C12 diamine Ca, with at least one C4-C36, preferentially C6-C18, preferentially C6-C12, more preferentially C10-C12 dicarboxylic acid Cb; in order to prepare a semi-crystalline composition, the modulus of which does not vary by more than 25% within the temperature range from 10° C. to 40° C.Type: ApplicationFiled: September 16, 2020Publication date: October 27, 2022Applicant: Arkema FranceInventors: Mathieu SABARD, Benoît BRULE, Stefania CASSIANO GASPAR, Clémence PACE
-
Patent number: 11396600Abstract: The invention relates to the use of at least one impact modifier having a refractive index IR1 in a polyamide matrix consisting of a mixture of amorphous polyamide and semicrystalline polyamide, said matrix having a refractive index IR2, the difference in absolute value of IR1-IR2 not exceeding 0.006, to produce a transparent composition having a fatigue strength, under the fatigue test referred to as notched “Ross-Flex”, greater than 50 000 at ?10° C.Type: GrantFiled: July 6, 2018Date of Patent: July 26, 2022Assignee: ARKEMA FRANCEInventors: Mathieu Sabard, Benoit Brule, Benjamin Saillard, Regis Cipriani
-
Patent number: 11359052Abstract: The present invention relates to a copolymer with a rigid polyamide block and a flexible polyether or polyester block, wherein said polyamide block is semicrystalline and consists of a copolyamide of W/Y.Z type, wherein: (i) W is a lactam or an alpha, omega-aminocarboxylic acid; (ii) Y is a cycloaliphatic diamine; (iii) Z is an aliphatic and/or aromatic dicarboxylic acid; and the W/Y.Z molar ratio is between 10/1 and 27/1 limits excluded.Type: GrantFiled: May 4, 2018Date of Patent: June 14, 2022Assignee: ARKEMA FRANCEInventors: Inci Turan-Altuntas, Quentin Pineau, Philippe Blondel, Mathieu Sabard
-
Publication number: 20220153998Abstract: A copolyamide including at least two distinct units A and X1Y of formula A/X1Y, wherein: A is a repeating unit obtained by polycondensation of: at least one C9 to C18 amino acid, or at least one C9 to C18 lactam, or at least one C4-C36 dicarboxylic acid Cb; X1Y is a repeating unit obtained from the polycondensation of at least one C9 to C18 linear aliphatic diamine (X1), and at least one aromatic dicarboxylic acid (Y), to prepare a composition comprising between 35 and 65% of reinforcing fibers, relative to the total weight of the composition, and for which the flexural modulus or tensile modulus, measured after an identical conditioning, does not vary by more than 20% in the temperature range from 20° C. to 40° C.Type: ApplicationFiled: March 13, 2020Publication date: May 19, 2022Applicant: Arkema FranceInventors: Mathieu SABARD, Benoît BRULE, Marie POMMIER DE SANTI, Stefania CASSIANO GASPAR, Damien VITRY, Rui MAO
-
Patent number: 11299626Abstract: The invention relates to the use of at least one prepolymer in a composition which includes: a matrix of at least one transparent semi-crystalline polyamide, and optionally at least one additive, for improving the crystallisation kinetics and reducing the warping of the composition while preserving or improving the transparency properties thereof as well as the mechanical properties thereof, in comparison with the same composition without a prepolymer, wherein the composition does not contain a nucleating agent.Type: GrantFiled: September 20, 2016Date of Patent: April 12, 2022Assignee: ARKEMA FRANCEInventors: Yves Deyrail, Mathieu Sabard, Philippe Blondel, René-Paul Eustache
-
Publication number: 20210371653Abstract: A polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polyamide block copolymer has: as a 2 mm layer, a transmittance at 560 nm of 90% or more; and a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide and wherein the polymer in the form of core-shell particles has a refractive index that does not differ by more than 0.01 from that of the transparent amorphous polyamide. Also, a process for the manufacture of the composition, and the composition capable of being obtained by said process.Type: ApplicationFiled: October 17, 2019Publication date: December 2, 2021Applicant: Arkema FranceInventors: Mathieu SABARD, Philippe BLONDEL, Benjamin SAILLARD, Frédéric MALET
-
Patent number: 11142641Abstract: The invention relates to a composition comprising: (A) an amorphous or quasi-amorphous copolymer containing polyamide blocks and containing polyether blocks, the polyamide blocks comprising cycloaliphatic units; (B) a semicrystalline polymer or copolymer comprising amide units; (C) another polymer or copolymer comprising amide units; and (D) a multilayer polymer comprising at least a layer (D1) and a layer (D2). This composition has advantageous properties of transparency and impact strength, especially for the manufacture of sports articles.Type: GrantFiled: May 17, 2017Date of Patent: October 12, 2021Assignee: ARKEMA FRANCEInventors: Frédéric Malet, Mathieu Sabard, Philippe Blondel, Yves Deyrail
-
Patent number: 10844221Abstract: Provided is a composition including (A) 65% to 95% of a polyamide mixture, (B) 7% to 30% of at least one impact modifier or of at least one core-shell entity or of a mixture thereof, and (C) 0 to 5% of at least one additive chosen from stabilizers, dyes, plasticizers, fibers, fillers, processing aids or a mixture thereof. The composition may be used, for example, to produce an article by extruding, injection molding, molding or thermoforming.Type: GrantFiled: March 16, 2017Date of Patent: November 24, 2020Assignee: Arkema FranceInventors: Mathieu Sabard, Regis Cipriani, Karine Loyen, Helena Cheminet, René-Paul Eustache
-
Patent number: 10829637Abstract: The present invention relates to a composition that comprises a mixture of polymers, which comprises: a first polymer comprising polyphenylene sulphide, making up 55 wt % to 95 wt % of the mixture; a thermoplastic modifier, making up 5 wt % to 45 wt % of the mixture; optionally one or more functional additives, making up at most 10 wt % of the mixture, preferably at most 5 wt % of the mixture, characterised in that the thermoplastic modifier includes a second polymer which comprises a polyolefin backbone containing a group of at least one unsaturated monomer (X) and a plurality of polyamide grafts. The invention also relates to a multilayer structure including a plurality of adjacent layers, at least one of which consists of the aforementioned composition.Type: GrantFiled: November 24, 2015Date of Patent: November 10, 2020Assignee: ARKEMA FRANCEInventors: Fumi Ariura, Mathieu Sabard, Dominique Jousset
-
Patent number: 10800918Abstract: A composition including: between 45 and 94.95 wt. % of a matrix having at least one polyamide; between 0.05 and 20 wt. % of at least one prepolymer, the proportion by weight of the polyamide matrix and that of the prepolymer being respectively between 60 and 99.9 wt. % and between 40 and 0.1 wt. % in relation to the total amount of polyamide-prepolymer; between 5 and 45 wt. % of at least one impact modifier; and between 0 and 20% of an additive, said composition having a higher level of fluidity in the melted state than the same composition without prepolymer.Type: GrantFiled: March 31, 2015Date of Patent: October 13, 2020Assignee: ARKEMA FRANCEInventors: Mathieu Sabard, Benoit Brule, Jean-Jacques Flat