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公开(公告)号:US20220081520A1
公开(公告)日:2022-03-17
申请号:US17416098
申请日:2019-12-17
申请人: Arkema France
IPC分类号: C08J5/04
摘要: The present invention concerns an impregnated fibrous material comprising at least one continuous-fiber fibrous material in the form of a roving or a plurality of parallel rovings and at least one thermoplastic polymer matrix, characterized in that said at least one thermoplastic polymer is an amorphous or semi-crystalline polymer having a glass transition temperature such that Tg≥40° C., especially Tg≥100° C., in particular ≥120° C., the fiber content of said impregnated fibrous material being from 45 to 65% by volume, preferably from 50 to 60% by volume, especially from 54 to 60% by volume, the number-average molecular mass Mn of said thermoplastic polymer being from 11,000 to 25,000 g/mol, the melt viscosity of said thermoplastic polymer being from 80 to 1500 Pa·s, as measured by plane-plane rheology at 1 Hz and 2% deformation, at a temperature of Tg+220° C.
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公开(公告)号:US20160122540A1
公开(公告)日:2016-05-05
申请号:US14897556
申请日:2014-06-02
申请人: ARKEMA FRANCE
发明人: Benoit BRULE , Aude CHIQUOT , Nadine DECRAEMER , Yves DEYRAIL , Lionel JEANCOLAS
CPC分类号: C08L77/06 , B29C45/0001 , B29K2077/00 , B29K2507/04 , B29L2009/00 , C08J3/226 , C08J5/043 , C08J2377/06 , C08J2477/02 , C08K3/04 , C08K3/041 , C08K3/042 , C08K3/046 , C08K7/06 , C08K7/24 , C08K7/14 , C08L77/02
摘要: The invention concerns a composition comprising a first polyamide, a second polyamide, different from the first polyamide, and 0.1 to 5% by weight of carbonaceous nanofillers, in which: a) the first polyamide comprises a unit derived from the condensation of meta-xylylene diamine or from a mixture of meta-xylylene diamine and para-xylylene diamine with sebacic acid, said first polyamide having a melting temperature Tf1; and b) the second polyamide has a melting temperature Tf2 higher than or equal to Tf1−40° C. The invention also relates to a method for producing said composition and the use thereof for producing various items.
摘要翻译: 本发明涉及包含第一聚酰胺,不同于第一聚酰胺的第二聚酰胺和0.1至5重量%的碳质纳米填料的组合物,其中:a)第一聚酰胺包含衍生自间二甲苯的缩合的单元 二胺或间二甲苯二胺和对二甲苯二胺与癸二酸的混合物,所述第一聚酰胺具有熔融温度Tf1; 和b)第二聚酰胺的熔融温度Tf2高于或等于Tf1-40℃。本发明还涉及制备所述组合物的方法及其用于生产各种物品的用途。
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公开(公告)号:US20180171140A1
公开(公告)日:2018-06-21
申请号:US15127607
申请日:2015-03-23
申请人: ARKEMA FRANCE
CPC分类号: C08L77/02 , A43B5/0482 , C08L77/00 , C08L77/06 , C08L2201/08 , C08L2205/02
摘要: Composition including: (A) 50% to 95% of at least one semicrystalline polyamide of formula A/Z in which: A is an aliphatic repeating unit chosen from a unit obtained from the polycondensation of at least one amino acid and a unit obtained from the polycondensation of at least one lactam or a unit X.Y obtained from the polycondensation of at least one diamine, and of at least one dicarboxylic acid, and Z represents another polyamide and is included from 0 to 20%; (B) 5% to 50% of at least one semicrystalline copolyamide comprising amide units (Ba1) and including polyether units (Ba2), having a glass transition temperature (Tg) below 75° C.; (C) 0% to 20% by weight of fibres and/or fillers, (D) 0% to 20% of at least one impact modifier, (E) 0% to 5% of at least one additive, for the manufacture of a sports article.
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4.
公开(公告)号:US20230089774A1
公开(公告)日:2023-03-23
申请号:US17790197
申请日:2020-12-18
申请人: ARKEMA FRANCE
发明人: Jérôme PASCAL , Yves DEYRAIL , Philippe BUSSI , Clément PAUL
摘要: A process including: the provision of a semicrystalline or crystallizable composition, having a glass transition temperature Tg, including at least one polyaryletherketone; the provision of a compression forming means including: a mold, the mold having at least one cavity; the preparation of the composition in the molten state in said at least one cavity, the mold having a temperature T0 at the end of the preparation stage; the compression and the cooling of the composition in the molten state, the mold being cooled from the temperature T0 down to a final temperature Tfof less than or equal to (Tg+30)° C., to form a compression-formed article; and the removal of the compression-formed article from the mold; in which the composition has a melting point strictly of less than 340° C.
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5.
公开(公告)号:US20180291202A1
公开(公告)日:2018-10-11
申请号:US15759009
申请日:2016-09-20
申请人: ARKEMA FRANCE
IPC分类号: C08L77/02
摘要: 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.
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公开(公告)号:US20160376483A1
公开(公告)日:2016-12-29
申请号:US15192276
申请日:2016-06-24
申请人: ARKEMA FRANCE
发明人: René-Paul EUSTACHE , Mathieu SABARD , Yves DEYRAIL , Quentin PINEAU , Inci TURAN-ALTUNTAS , Martin POUZET , Atsushi YOSHITAKE
IPC分类号: C09J187/00 , C09J5/06 , B32B37/06 , B32B27/34 , B32B27/08 , B32B27/28 , C08G81/00 , B32B7/12
CPC分类号: C09J187/005 , B32B7/12 , B32B27/08 , B32B27/285 , B32B27/34 , B32B37/06 , B32B2371/00 , B32B2377/00 , B32B2437/02 , C08G69/40 , C08G81/00 , C08G2170/20 , C08G2170/90 , C08L77/06 , C09J5/06 , C09J2475/006
摘要: The invention relates to a copolymer having polyamide PA blocks and polyether PE blocks, in which PA is of diamine.diacid X.Y type; X, the number of carbons of the diamine, is within the range from 6 to 14, and Y, the number of carbons of the diacid, is within the range from 6 to 18. The invention also relates to the use of the said copolymer in a process of direct adhesion between two TPE materials for increasing the peel strength between these materials.
摘要翻译: 本发明涉及具有聚酰胺PA嵌段和聚醚PE嵌段的共聚物,其中PA为二胺X.Y型; X,二胺的碳数为6〜14,Y为二酸的碳数Y为6〜18的范围。本发明还涉及所述共聚物 在两种TPE材料之间直接粘合以增加这些材料之间的剥离强度的过程。
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公开(公告)号:US20240018322A1
公开(公告)日:2024-01-18
申请号:US18356564
申请日:2023-07-21
申请人: Arkema France
CPC分类号: C08J9/0061 , C08K3/013 , C08J9/0066 , C08J9/08 , C08J9/122 , C08L87/005 , C08J2201/03 , C08J2203/02 , C08J2203/06 , C08J2203/10 , C08J2203/22 , C08J2205/052 , C08J2367/00 , C08J2371/02 , C08J2375/04 , C08J2377/00 , C08K2003/262
摘要: The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising:
from 90 to 99.9% by weight of said block copolymer; and
from 0.01 to 10% by weight of metal carbonate,
for the total weight of the foam composition.
The present invention also relates to a foamable composition and a method for manufacturing said foam, as well as the use of the foam in sports shoe soles, balloons or balls, gloves, personal protection equipment, rail soles, automobile parts, construction parts, electrical and electronic equipment parts, audio equipment, sound- and/or heat-proofing, and parts used to damp vibrations.-
公开(公告)号:US20220275157A1
公开(公告)日:2022-09-01
申请号:US17624653
申请日:2020-07-07
申请人: Arkema France
摘要: A method for manufacturing at least one impregnated fibrous material including a fibrous material made of continuous fibers and at least one thermoplastic polymer, the method including a step of impregnating the at least one fibrous material in a pultrusion head by injecting a reactive composition in the melt state including at least one precursor of the thermoplastic polymer in the presence of the fibrous material, the at least one fibrous material on entry into the pultrusion head being divided in its thickness into layers, with each layer circulating in its own channel within the pultrusion head, the reactive composition being injected into each channel and/or between the layers when they are recombined at the exit from each channel, the channel being heated, in which the precursors of the thermoplastic polymer are at least partly polymerized.
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公开(公告)号:US20210261745A1
公开(公告)日:2021-08-26
申请号:US17256721
申请日:2019-07-02
申请人: Arkema France
发明人: Clio COCQUET , Helena CHEMINET , Yves DEYRAIL , Audrey DURIN , Marc MIRALLES
摘要: The invention relates to a process for manufacturing a copolymer foam containing polyamide blocks and polyether blocks, comprising the following steps: mixing the copolymer melt with a blowing agent, said copolymer having a coefficient of thermal diffusivity a and a crystallization temperature Tc; providing a mold of thickness h at a temperature Tm; injecting the mixture of the copolymer and of the blowing agent at a temperature Tp, into the closed mold; foaming the mixture by opening the mold; in which the maintenance time between the injection of the mixture of the copolymer and of the blowing agent into the closed mold and the opening of the mold is within the range extending from (topt−25%) to (topt+25%), topt being expressed in seconds and obtained by equation (I): t opt = - 1 π 2 h 2 a ln ( π 4 T m - T c T m - T p ) , ( I ) in which a is expressed in m2/s, h is expressed in m and Tm, Tc and Tp are expressed in ° C.
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10.
公开(公告)号:US20190382546A1
公开(公告)日:2019-12-19
申请号:US16468197
申请日:2018-02-08
申请人: Arkema France
摘要: The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising: from 90 to 99.9% by weight of said block copolymer; and from 0.01 to 10% by weight of metal carbonate, for the total weight of the foam composition. The present invention also relates to a foamable composition and a method for manufacturing said foam, as well as the use of the foam in sports shoe soles, balloons or balls, gloves, personal protection equipment, rail soles, automobile parts, construction parts, electrical and electronic equipment parts, audio equipment, sound- and/or heat-proofing, and parts used to damp vibrations.
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