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公开(公告)号：US10723879B2
公开(公告)日：2020-07-28
申请号：US15535536
申请日：2015-12-21
Applicant: RHODIA OPERATIONS
Inventor： Gilles Orange , Christiane Prebet , Didier Tupinier , Stéphane Jeol
Abstract: The invention relates to a thermoplastic composition having improved fluidity in the molten state, comprising at least: (a) a polyamide that has a melt viscosity greater than or equal to 50 Pa·s, and (b) a non-evolutive polyamide having a melt viscosity lower than the melt viscosity of said polyamide (a), above 0.8 Pa·s, and having a number-average molecular weight Mn lower than that of said polyamide (a), said composition having a melt viscosity that is stabilized at a value below the melt viscosity of said polyamide (a), said polyamide (b) having: a concentration of amine end groups (AEG) and/or of carboxyl end groups (CEG) less than or equal to 20 meq/kg, or a concentration of amine end groups (AEG) greater than or equal to 25 meq/kg; a concentration of acid end groups (CEG) greater than or equal to 25 meq/kg; and a concentration of blocked end groups (BEG) greater than or equal to 25 meq/kg.
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公开(公告)号：US10597494B2
公开(公告)日：2020-03-24
申请号：US15883726
申请日：2018-01-30
Applicant: Rhodia Operations
Inventor： Stéphane Jeol
Abstract: A salt composition includes at least one ammonium carboxylate salt obtained from: (a) at least one aromatic compound comprising 2 anhydride functional groups and/or its carboxylic acid and/or ester derivatives; and (b) one or more aliphatic diamines in which said aliphatic diamine or diamines are chosen from the diamines of formula (I) NH2—R—NH2 with R being a saturated aliphatic divalent hydrocarbon radical, the two amine functional groups of which are separated by 4 to 6 carbon atoms and 1 or 2 hydrogen atoms of the divalent radical of which are replaced by 1 or 2 methyl and/or ethyl groups; and optionally the diamines of formula (II) NH2—R′—NH2 with R′ being a saturated or unsaturated and aliphatic, cycloaliphatic or arylaliphatic divalent hydrocarbon radical, which optionally comprises heteroatoms; and at least one chain-limiting compound chosen from monoamines, monoacids or diacids in the α,β positions.
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公开(公告)号：US20150175745A1
公开(公告)日：2015-06-25
申请号：US14416935
申请日：2013-07-10
Applicant: RHODIA OPERATIONS
Inventor： Stéphane Jeol , Floryan Decampo , Leon Zhu
CPC classification number: C08G69/26 , B29C45/0001 , B29C47/0004 , B29C49/0005 , B29K2077/00 , B29K2077/10 , B29L2031/731 , C08G69/00 , C08G69/28
Abstract: The present invention relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula (I) below: Formula (I), in which R represents a covalent bond or a divalent hydrocarbon-based chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. The present invention also relates to the process for preparing the said polyamide, to its uses, and to articles and compositions comprising the polyamide.
Abstract translation: 本发明涉及由生物基单体合成的新型聚酰胺。 新型聚酰胺包含下式（I）的重复单元：其中R表示共价键或选自饱和或不饱和脂族烃，饱和或不饱和脂环族，芳族化合物，芳基芳烃和烷基芳族化合物的式（I）。 本发明还涉及制备所述聚酰胺及其用途的方法以及包含聚酰胺的制品和组合物。
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公开(公告)号：US20140342628A1
公开(公告)日：2014-11-20
申请号：US14345046
申请日：2012-09-18
Applicant: RHODIA OPERATIONS
Inventor： Stéphane Jeol
CPC classification number: C08G73/1082 , C07C69/76 , C07C211/63 , C08G73/00 , C08G73/1007 , C08G73/101 , C08G73/1028 , C08G73/1075 , C08J5/00 , C08J2379/08 , C08L79/08 , D01F6/74 , Y10T428/2982 , Y10T442/30 , Y10T442/40
Abstract: The invention relates to navel thermoplastic (co)polyimides and to the methods of synthesis thereof. The invention specifically relates to semi-aromatic thermoplastic (co)polyimides obtained by polymerisation of at least one aromatic compound comprising two anhydride functions and/or the derivatives thereof, especially carboxylic acid and/or ester, and at least one diamine of formula (I) NH2—R—NH2 wherein R is a saturated aliphatic hydrocarbonated divalent radical, the two amine functions thereof being separated by 4 to 6 carbon atoms, and 1 or 2 hydrogen atoms of the divalent radical being substituted by 1 or 2 methyl and/or ethyl groups. Said (co)polyimides can be transformed into plastic items by various methods such as extrusion, moulding or blowing.
Abstract translation: 本发明涉及脐带热塑性（共）聚酰亚胺及其合成方法。 本发明具体涉及通过至少一种包含两个酸酐官能团和/或其衍生物，特别是羧酸和/或酯的芳族化合物的聚合得到的半芳族热塑性（共）聚酰亚胺和至少一种式（I ）NH 2 -R-NH 2其中R是饱和脂族烃基二价基团，其两个胺官能团被4至6个碳原子分隔，并且二价基团的1或2个氢原子被1或2个甲基和/或 乙基。 所述（共）聚酰亚胺可以通过各种方法如挤出，模制或吹塑转化成塑料制品。
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公开(公告)号：US10745520B2
公开(公告)日：2020-08-18
申请号：US15535884
申请日：2015-12-17
Applicant: RHODIA OPERATIONS , INSTITUT NATIONAL DES SCIENCES APPLIQUES DE LYON , CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE , UNIVERSITE CLAUDE BERNARD LYON 1 , UNIVERSITE JEAN MONNET SAINT-ETIENNE
Inventor： Stéphane Jeol , René Rossin , Vincent Mollet , Benjamin Paci , Françoise Fenouillot-Rimlinger , Alain Rousseau
IPC: C08G73/10
Abstract: The invention relates to a process for producing aromatic polyimides, comprising the following steps: (a) preparation of one or more solid salt(s) by reacting one or more aromatic tetracarboxylic acid(s) and one or more diamine(s) according to a mole ratio ranging from 0.95 to 1.05; (b) drying of the solid salt(s), (c) addition, to the dry salt resulting from step (b), of one or more compound(s) (C) comprising one or more group(s) chosen from a carboxylic acid group, an anhydride group, an ester group and an acyl chloride group; (d) solid-state polymerization of said solid salt(s) in the presence of the compound(s) (C).
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Patent Agency Ranking
公开(公告)号：US09982133B2
公开(公告)日：2018-05-29
申请号：US14906325
申请日：2014-07-22
Applicant: RHODIA OPERATIONS
Inventor： Stéphane Jeol , Thierry Badel
CPC classification number: C08L77/12 , C08K5/053 , C08K7/14 , C08L51/06 , C08L77/00 , C08L2201/08 , C08L2205/06
Abstract: The invention pertains to a filled polyamide composition [composition (C)] comprising: —from 35 to 80% wt of at least one polyhydric alcohol-modified polyamide, comprising an amount of polyhydric alcohol (PHA, herein after) residues chemically bonded at least to a part of the polyamide [polyamide (A)] of at least 0.1% wt (based on the total weight of polyamide (A)); —from 10 to 65% wt of at least one filler [filler (F)]; —from 1 to 10% wt of at least one impact modifying rubber [rubber (I)]; and —from 0.01 to 3% wt of at least one copper-containing stabilizer, with above % wt being referred to the total weight of composition (C).
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公开(公告)号：US09938377B2
公开(公告)日：2018-04-10
申请号：US15498923
申请日：2017-04-27
Applicant: RHODIA OPERATIONS
Inventor： Stéphane Jeol , Floryan Decampo , Leon Zhu
CPC classification number: C08G69/26 , B29C45/0001 , B29C47/0004 , B29C49/0005 , B29K2077/00 , B29K2077/10 , B29L2031/731 , C08G69/00 , C08G69/28
Abstract: The present disclosure relates to a novel polyamide synthesized from biobased monomers. The novel polyamide comprises the repeating unit of formula I, described herein, in which R represents a covalent bond or a divalent hydrocarbon-based group chosen from saturated or unsaturated aliphatics, saturated or unsaturated cycloaliphatics, aromatics, arylaliphatics and alkylaromatics. The present disclosure also relates to a process for preparing the said polyamide, to its uses, and to articles and compositions comprising the said polyamide.
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公开(公告)号：US20180155498A1
公开(公告)日：2018-06-07
申请号：US15883726
申请日：2018-01-30
Applicant: Rhodia Operations
Inventor： Stéphane Jeol
CPC classification number: C08G73/1082 , C07C69/76 , C07C211/63 , C08G73/00 , C08G73/1007 , C08G73/101 , C08G73/1028 , C08G73/1075 , C08J5/00 , C08J2379/08 , C08L79/08 , D01F6/74 , Y10T428/2982 , Y10T442/30 , Y10T442/40
Abstract: A salt composition includes at least one ammonium carboxylate salt obtained from: (a) at least one aromatic compound comprising 2 anhydride functional groups and/or its carboxylic acid and/or ester derivatives; and (b) one or more aliphatic diamines in which said aliphatic diamine or diamines are chosen from the diamines of formula (I) NH2—R—NH2 with R being a saturated aliphatic divalent hydrocarbon radical, the two amine functional groups of which are separated by 4 to 6 carbon atoms and 1 or 2 hydrogen atoms of the divalent radical of which are replaced by 1 or 2 methyl and/or ethyl groups; and optionally the diamines of formula (II) NH2—R′—NH2 with R′ being a saturated or unsaturated and aliphatic, cycloaliphatic or arylaliphatic divalent hydrocarbon radical, which optionally comprises heteroatoms; and at least one chain-limiting compound chosen from monoamines, monoacids or diacids in the α,β positions.
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公开(公告)号：US09873792B2
公开(公告)日：2018-01-23
申请号：US14906321
申请日：2014-07-22
Applicant: RHODIA OPERATIONS
Inventor： Stéphane Jeol , Thierry Badel
IPC: C08K3/40 , C08L77/06 , C08L77/00 , C08L77/02 , C08L77/12 , B29C43/00 , B29C45/00 , B29C49/00 , B29C51/00 , C08K5/053 , C08K7/14 , B29K77/00 , B29L31/00
CPC classification number: C08L77/06 , B29C43/00 , B29C45/00 , B29C49/00 , B29C51/00 , B29K2077/00 , B29L2031/00 , C08K5/053 , C08K7/14 , C08L77/00 , C08L77/02 , C08L77/12 , C08L2201/08 , C08L2205/02
Abstract: The invention pertains to filled polyamide compositions [composition (C)] comprising: —at least one polyhydric alcohol-modified polyamide, comprising an amount of polyhydric alcohol (PHA, herein after) residues chemically bonded at least to a part of the polyamide [polyamide (A)] of at least 0.1% wt (based on the total weight of polyamide (A)); —at least one filler [filler (F)]; and—at least one polyamide, different from polyamide (A), more than 50% moles of recurring units thereof being of formula —HN—(CH2)5—CO— [polyamide (PA6)], in an amount of 5 to 50% wt, based on the combined weight of polyamide (A) and polyamide (PA6).
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公开(公告)号：US20140371390A1
公开(公告)日：2014-12-18
申请号：US14345059
申请日：2012-09-18
Applicant: RHODIA OPERATIONS
Inventor： Stéphane Jeol
CPC classification number: C08G73/10 , C08G73/1075 , C08G73/1082 , C08K3/013 , C08L79/08 , C08K3/0033
Abstract: The present invention relates to semiaromatic and semicrystalline thermoplastic polyimides obtained by polymerization of at least one aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof and a diamine comprising between 13 and 22 carbon atoms. These polyimides may be converted into plastic articles by various methods, such as injection-molding.
Abstract translation: 本发明涉及通过至少一种包含两个酸酐官能团的芳族化合物和/或其羧酸和/或酯衍生物和包含13-22个碳原子的二胺的聚合而获得的半芳族和半结晶的热塑性聚酰亚胺。 这些聚酰亚胺可以通过各种方法如注射成型而转化成塑料制品。
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