Multilayer structure based on polyamides and on a tie layer made of a copolyamide blend
    81.
    发明申请
    Multilayer structure based on polyamides and on a tie layer made of a copolyamide blend 审中-公开
    基于聚酰胺和由共聚酰胺共混物制成的粘结层的多层结构

    公开(公告)号:US20030165699A1

    公开(公告)日:2003-09-04

    申请号:US10353094

    申请日:2003-01-29

    Applicant: ATOFINA

    Abstract: A multilayer structure based on polyamides, comprising: a first layer (1) formed from a polyamide P1 or from a blend of a polyamide P1 and a polyolefin PO1 having a P1 polyamide matrix, optionally, a layer (2a) formed from EVOH; a layer (2) formed from a blend of PA-6/12 copolyamides, one comprising by weight more 6 than 12 and the other more 12 than 6; a layer (3) formed from a polyamide P3, it being possible for P1 and P3 to be identical or different, the layers (1), (2), (2a) and (3) being successive and adhering to one another in their respective contact regions.

    Abstract translation: 一种基于聚酰胺的多层结构,包括:由聚酰胺P1形成的第一层(1)或由聚酰胺P1和具有P1聚酰胺基质的聚烯烃PO1的共混物形成的任选的由EVOH形成的层(2a); 由PA-6/12共聚酰胺的共混物形成的层(2),一个重量比6重量多,另外多于12个; 由聚酰胺P3形成的层(3),P1和P3可以相同或不同,层(1),(2),(2a​​)和(3)在它们的 各个接触区域。

    Process for the continuous polymerization with micromixing of reactive fluids
    82.
    发明申请
    Process for the continuous polymerization with micromixing of reactive fluids 失效
    用反应流体微混合连续聚合的方法

    公开(公告)号:US20030153709A1

    公开(公告)日:2003-08-14

    申请号:US10331997

    申请日:2002-12-31

    Applicant: ATOFINA

    Abstract: The process for the continuous preparation of homopolymers or copolymers by free-impinging-jet micromixing of fluids formed (1) of monomer(s) and (2) of an initiator system consists in micromixing the said fluids (1) and (2) and in recovering the mixture of these fluids in the form of a resultant jet Jr, originating from the point of impingement (I), the micromixture being obtained by: a) forming at least one group of at least two jets Ja of the said identical or different fluids, these jets coinciding at a point of impingement (I), the jets Ja of the same group all being of identical geometry, their axes being arranged such that their projections on a plane perpendicular to the axis (A) of the resultant jet Jr are distributed angularly in a uniform manner and these axes being inclined relative to the said axis (A) by the same non-zero angle null of not more than 90null; b) simultaneously directing at the point of impingement (I) at least one jet Jb of a fluid which is different from at least one of the fluids of the said jets Ja for forming the resultant jet Jr, the axis of the jet(s) Jb being inclined relative to the axis of the resultant jet Jr by an angle null which is less than the angle null; and c) recovering the mixture of the fluids in the jets Ja and Jb in the form of the resultant jet Jr consisting of the homopolymers or copolymers.

    Abstract translation: 通过自由冲击微混合形成(1)单体和(2)引发剂体系的流体连续制备均聚物或共聚物的方法包括将所述流体(1)和(2)和 在回收起始于冲击点(I)的合成射流Jr形式的这些流体的混合物时,该微混合物通过以下方法得到:a)形成至少一组至少两组所述相同或 不同的流体,这些射流在冲击点(I)处重合,同一组的射流Ja都具有相同的几何形状,它们的轴被布置成使得它们的凸起在垂直于合成射流的轴线(A)的平面上 Jr以均匀的方式成角度地分布,并且这些轴相对于所述轴线(A)倾斜相同的非零角度α为不大于90°; b)在冲击点(I)的同时引导至少一个与所述喷嘴J j的流体中的至少一种流体不同的流体的喷射流Jb,以形成合成射流Jr, Jb相对于合成射流Jr的轴线倾斜小于角度α的角度β; 和c)以由均聚物或共聚物组成的合成喷嘴Jr的形式回收喷嘴J j和J b中的流体混合物。

    Composition based on polypropylene on an ethylene/alkyl acrylate copolymer
    84.
    发明申请
    Composition based on polypropylene on an ethylene/alkyl acrylate copolymer 失效
    基于聚丙烯在乙烯/丙烯酸烷基酯共聚物上的组合物

    公开(公告)号:US20030130429A1

    公开(公告)日:2003-07-10

    申请号:US10213446

    申请日:2002-08-07

    Applicant: ATOFINA

    Abstract: The invention relates to a composition based on polypropylene homopolymer or copolymer and on an impact modifier comprising an ethylene/alkyl acrylate copolymer. This composition comprises substantially between 1 and 40% by weight of impact modifier and it may comprise an ethylene-based copolymer taken from the group comprising ethylene/acrylate copolymers, vinyl acetate copolymers, polyethylene obtained by metallocene catalysis or mPE and linear low-density polyethylene or LLDPE. The PP thus modified is useful for manufacturing motor-vehicle parts for example of the bumper or dashboard type, requiring good thermomechanical strength over a wide range of temperatures.

    Abstract translation: 本发明涉及基于聚丙烯均聚物或共聚物的组合物以及包含乙烯/丙烯酸烷基酯共聚物的抗冲改性剂。 该组合物基本上包含1至40重量%的抗冲击改性剂,并且其可以包含乙烯/丙烯酸酯共聚物,乙酸乙烯酯共聚物,通过茂金属催化或mPE获得的聚乙烯和线性低密度聚乙烯的乙烯基共聚物 或LLDPE。 如此修改的PP可用于制造例如保险杠或仪表板类型的机动车零件,在宽的温度范围内需要良好的热机械强度。

    Grafted isotactic polypropylene obtained by metallocene catalysis
    85.
    发明申请
    Grafted isotactic polypropylene obtained by metallocene catalysis 有权
    通过茂金属催化得到的接枝全同立构聚丙烯

    公开(公告)号:US20030040579A1

    公开(公告)日:2003-02-27

    申请号:US10208192

    申请日:2002-07-31

    Applicant: ATOFINA

    Abstract: The present invention relates to an isotactic polypropylene obtained by metallocene catalysis, onto which is grafted a functional monomer. The invention also relates to a composition which may form part of the composition of a coextrusion binder. This composition according to the invention comprises isotactic polypropylene obtained by metallocene catalysis, grafted and then optionally diluted with at least one polyolefin (C1) and/or in at least one polymer of elastomeric nature (D). The invention also relates to a multilayer structure comprising a layer (L) comprising the above binder, and, directly attached thereto, a layer (E): which is polar, nitrogenous or oxygenated, such as a layer of polyamide resin, of ethylene/saponified vinyl acetate copolymer (EVOH) or of polyester; or of a mineral oxide deposited on a polymer such as polyethylene (PE), polyethylene terephthalate (PET) or EVOH; or which is metallic or metalloplastic.

    Abstract translation: 本发明涉及通过茂金属催化得到的全同立构聚丙烯,其上接枝有官能单体。 本发明还涉及可以形成共挤出粘合剂组合物的一部分的组合物。 根据本发明的该组合物包含通过茂金属催化获得的全同立构聚丙烯,接枝,然后任选地用至少一种聚烯烃(C1)和/或至少一种弹性体聚合物(D)稀释。 本发明还涉及一种多层结构,其包括包含上述粘合剂的层(L),并且直接附着有极性,含氮或氧化的层(E),例如聚酰胺树脂层,乙烯/ 皂化乙酸乙烯酯共聚物(EVOH)或聚酯; 或沉积在诸如聚乙烯(PE),聚对苯二甲酸乙二醇酯(PET)或EVOH的聚合物上的无机氧化物; 或者是金属或金属塑料。

    Structure comprising a fluoropolymer layer and a piperazine-based tie resin
    86.
    发明申请
    Structure comprising a fluoropolymer layer and a piperazine-based tie resin 失效
    包含含氟聚合物层和哌嗪类粘结树脂的结构

    公开(公告)号:US20030035971A1

    公开(公告)日:2003-02-20

    申请号:US10174507

    申请日:2002-06-19

    Applicant: ATOFINA

    Abstract: A structure made of a fluoropolymer layer and directly attached to one of its sides a tie layer based on a polyamide which results from the condensation of at least one diacid and at least one diamine of the following formula (1): 1 in which R1 represents H or nullZ1nullNH2 and Z1 represents an alkyl, a cycloalkyl or an aryl having up to 15 carbon atoms and R2 represents H or nullZ2nullNH2 and Z2 represents an alkyl, a cycloalkyl or an aryl having up to 15 carbon atoms, it being possible for R1 and R2 to be identical or different. The tie resin may also be a copolymer having polyamide blocks and polyether blocks, the polyamide blocks resulting from condensation of at least one diacid and at least one diamine of formula (1). The invention also relates to a structure comprising a fluoropolymer layer, the tie layer and a substrate layer, respectively, as well as to a structure comprising a tie layer, respectively. This structure may be placed between two substrate layers and may be in the form of a sheet, film, profile or tube. It is particularly useful in the form of a tube for transporting gasoline between the tank and the injection device in motor-vehicle engines.

    Abstract translation: 由含氟聚合物层构成的结构,其直接附着在其一侧上,基于由至少一种二酸与至少一种下式(1)的二胺缩合产生的聚酰胺的连接层:其中R1表示H 或-Z1-NH2,Z1表示具有至多15个碳原子的烷基,环烷基或芳基,R2表示H或-Z2-NH2,Z2表示烷基,环烷基或至多15个碳原子的芳基, R1和R2可能相同或不同。 粘结树脂还可以是具有聚酰胺嵌段和聚醚嵌段的共聚物,由至少一种二酸和至少一种式(1)的二胺的缩合产生的聚酰胺嵌段。 本发明还涉及分别包括含氟聚合物层,连接层和基底层的结构,以及分别包括粘结层的结构。 该结构可以放置在两个基底层之间,并且可以是片,膜,轮廓或管的形式。 在汽车发动机中的罐和注射装置之间输送汽油的管子的形式特别有用。

    Process for the manufacture of 2-ethylhexyl acrylate
    87.
    发明申请
    Process for the manufacture of 2-ethylhexyl acrylate 失效
    制备丙烯酸2-乙基己酯的方法

    公开(公告)号:US20020193623A1

    公开(公告)日:2002-12-19

    申请号:US10113924

    申请日:2002-04-02

    Applicant: ATOFINA

    CPC classification number: C07C67/08 C07C67/58 C07C69/54

    Abstract: 2-Ethylhexyl acrylate is obtained by esterification of acrylic acid (AA) with 2-ethylhexanol (2-EtHexOH), in the presence of at least one stabilizer for AA, with H2SO4 as catalyst, the crude reaction mixture (B1) obtained comprising the desired acrylate, 2-EtHexOH, AA, 2-ethylhexyl hydrogensulphate (2-EtHexSO4H), traces of H2SO4 and impurities. (B1) is washed with water in an extraction column C2 to remove, at the bottom, the aqueous phase (A1), the top organic phase (O2) being sent to a topping column C3 to obtain, at the top, the AA and the 2-EtHexOH, which are recycled to the esterification, the topped desired acrylate being sent to a distillation column C4, from where it exits, purified from the heavy products; a stage of hydrolysis of the 2-EtHexSO4H present in (A1) being carried out to form, in this phase, 2-EtHexOH and H2SO4, the acidic entities resulting from the hydrolysis being neutralized by introduction of a base into the medium, and the resulting aqueous phase (A3) being sent to the recovery of the 2-EtHexOH in a distillation column C1.

    Abstract translation: 丙烯酸2-乙基己酯通过丙烯酸(AA)与2-乙基己醇(2-EtHexOH)在至少一种AA稳定剂的存在下与H 2 SO 4作为催化剂进行酯化而获得,所得的粗反应混合物(B1)包含 所需的丙烯酸酯,2-EtHexOH,AA,2-乙基己基硫酸氢盐(2-EtHexSO 4 H),痕量H 2 SO 4和杂质。 (B1)在萃取塔C2中用水洗涤以在底部除去水相(A1),将顶部有机相(O 2)送至顶部塔C3,以在顶部获得AA和 被再循环至酯化的2-EtHexOH,将顶部所需的丙烯酸酯从其出口排出到蒸馏塔C4中,从重产物中纯化; 在(A1)中存在的2-EtHexSO 4 H的水解阶段在该相中进行以形成2-EtHexOH和H 2 SO 4,由水解产生的酸性实体通过将碱引入培养基而中和, 得到的水相(A3)送入蒸馏塔C1中的2-EtHexOH的回收。

    Process for preparing 2-(dimethylamino)-1-(dimethyl-aminomethyl) ethyl meth (acrylate)
    88.
    发明申请
    Process for preparing 2-(dimethylamino)-1-(dimethyl-aminomethyl) ethyl meth (acrylate) 失效
    制备2-(二甲基氨基)-1-(二甲基氨基甲基)乙基(丙烯酸酯)

    公开(公告)号:US20020183543A1

    公开(公告)日:2002-12-05

    申请号:US10132739

    申请日:2002-04-26

    Applicant: ATOFINA

    CPC classification number: C07C213/06 C07C219/08

    Abstract: Process for preparing a compound (I) by reacting a compound of formula (II) with the alcohol (III). The reaction is carried out using dibutyltin oxide as transesterification catalyst. 1 R1nullH or CH3 R2nulllinear C1-C4 alkyl radical.

    Abstract translation: 通过使式(II)的化合物与醇(III)反应制备化合物(I)的方法。 反应使用二丁基氧化锡作为酯交换催化剂进行。 R1 = H或CH3R2 =线性C1-C4烷基。

    Process for the manufacture of 2-ethylhexyl acrylate
    89.
    发明申请
    Process for the manufacture of 2-ethylhexyl acrylate 失效
    制备丙烯酸2-乙基己酯的方法

    公开(公告)号:US20020183542A1

    公开(公告)日:2002-12-05

    申请号:US10113936

    申请日:2002-04-02

    Applicant: ATOFINA

    CPC classification number: C07C67/08 C07C67/62 C07C69/54

    Abstract: 2-Ethylhexyl acrylate is manufactured according to a process for the direct esterification of acrylic acid with 2-ethylhexanol catalysed by sulphuric acid, the acrylic acid subjected to the esterification being stabilized by at least one stabilizing agent, the said esterification being followed by the neutralization by a base of the crude reaction mixture (B1) obtained, the resulting salts passing into the aqueous phase (A1) of the said mixture, the organic phase (O1) and the aqueous phase (A1) resulting from this neutralization being separated and the 2-ethylhexyl acrylate being recovered from the organic phase (O1). To suppress the emulsions which appear during the said neutralization, the stabilizer or stabilizers of acrylic acid is/are chosen with the exclusion of hydroquinone, in the absence of which the aqueous phase of the process is stabilized before and/or during the neutralization.

    Abstract translation: 丙烯酸2-乙基己酯是根据丙烯酸与硫酸催化的2-乙基己醇进行直接酯化的方法制备的,经过酯化反应的丙烯酸被至少一种稳定剂稳定,所述酯化后进行中和 通过得到的粗反应混合物(B1)的碱,所得到的盐进入所述混合物的水相(A1),由该中和产生的有机相(O1)和水相(A1)分离, 从有机相(O1)中回收丙烯酸2-乙基己酯。 为了抑制在所述中和过程中出现的乳液,除了氢醌之外,选择丙烯酸的稳定剂或稳定剂,在此过程的水相在中和之前和/或中和期间是稳定的。

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