Abstract:
The present invention relates to the use of a copolymer containing polyether blocks and polyamide blocks for manufacturing an inflatable catheter element, such as a catheter balloon, with improved bursting strength, in which said copolymer has the following characteristics: a number-average molecular mass of the PE blocks greater than 500 g/mol, and a number-average molecular mass of the PA blocks greater than 10,000 g/mol.
Abstract:
The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.
Abstract:
The invention relates to a process for producing a shaped article having excellent mechanical properties, said article comprising a block copolymer PAX.Y/PE comprising polyamide (PA) blocks alternating with polyether (PE) blocks, prepared from homopolyamide blocks PAX.Y by polycondenstation of linear aliphatic diamines where PAX.Y is selected from the group consisting of PA 10,12; PA 6,18; PA 10,14; and PA 12.12, reacted with polyether PE blocks in the presence of a catalyst to produce a block copolymer PAX.Y/PE, wherein said PE blocks are either PE diols, or PE blocks comprising NH2 ends. The articles formed are either a fabric, film, sheet, rod, pipe, injection-molded component, or a shoe sole; the copolymer PAX.Y/PE has an improved flexural modulus of at least 300 MPa greater than a copolymer polyamide 12/polytetrametylene with the same size of PA block and with the same size of PE block respectively.
Abstract translation:本发明涉及一种具有优异机械性能的成型制品的制造方法,所述制品包含嵌段共聚物PAX.Y / PE,其包含与聚醚(PA)嵌段交替的聚酰胺嵌段(PE)嵌段,其由均聚酰胺嵌段PAX.Y通过缩聚 的线性脂族二胺,其中PAX.Y选自PA10,12; PA 6,18; PA 10,14; 和PA12.12在催化剂存在下与聚醚PE嵌段反应生成嵌段共聚物PAX.Y / PE,其中所述PE嵌段是PE二醇或包含NH 2端的PE嵌段。 形成的制品是织物,薄膜,片材,棒材,管材,注射成型部件或鞋底; 共聚物PAX.Y / PE具有比具有相同尺寸的PA嵌段和相同尺寸的PE嵌段的共聚物聚酰胺12 /聚四亚甲基具有至少300MPa的改进的弯曲模量。
Abstract:
The present invention relates to an impact modified polyamide composition. In particular, the present invention relates to impact modified transparent polyamide compositions comprising a multistage polymer. More particularly, the present invention relates to the use of multistage polymer as impact modifier in a transparent polyamide composition.
Abstract:
A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) inlcuding polyethylene glycol (PEG), with respect to the total composition weight, said copolymer being characterized in that it includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.
Abstract:
The invention relates to a copolymer comprising at least two distinct polyamide blocks and at least one polyether block, and a method for preparation of said copolymer comprising the following steps: —in a first step, the polyamide block PA1 is prepared by polycondensation of chosen monomers: amino acids, lactames or diamines and dicarboxylic acids, in the presence of an appropriate chain limiter; —then, in a second optional step, the polyamide PA1 block obtained is reacted with all or part of the polyether PE blocks, in the presence or absence of a catalyst; —in a third step, the polyamide PA2 block is prepared by polycondensation of the chosen isomers: amino acids, lactams or diamines and dicarboxylic acids, in the presence of an appropriate chain limiter; —in a fourth optional step, the polyamide PA2 block obtained is reacted with all or part of the polyether PE blocks, in the presence or absence of a catalyst; —in a fifth step, PA1 or the reaction medium from step 2 is reacted with PA2 or the reaction medium from step 4 and with PE or the remainder of PE not added in step 2 or 4.
Abstract:
A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) including polyethylene glycol (PEG), with respect to the total composition weight, said copolymer being characterized in that it includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.
Abstract:
The present invention relates to an impact modified polyamide composition. In particular, the present invention relates to impact modified transparent polyarnide compositions comprising a multistage polymer. More particularly, the present invention relates to the use of multistage polymer as impact modifier in a transparent polyamide composition.
Abstract:
The invention relates to a process for producing a shaped article having excellent mechanical properties, said article comprising a block copolymer PAX.Y/PE comprising polyamide (PA) blocks alternating with polyether (PE) blocks, prepared from homopolyamide blocks PAX.Y by polycondenstation of linear aliphatic diamines where PAX.Y is selected from the group consisting of PA 10,12; PA 6,18; PA 10,14; and PA 12.12, reacted with polyether PE blocks in the presence of a catalyst to produce a block copolymer PAX.Y/PE, wherein said PE blocks are either PE diols, or PE blocks comprising NH2 ends. The articles formed are either a fabric, film, sheet, rod, pipe, injection-molded component, or a shoe sole; the copolymer PAX.Y/PE has an improved flexural modulus of at least 300 MPa greater than a copolymer polyamide 12/polytetrametylene with the same size of PA block and with the same size of PE block respectively.
Abstract translation:本发明涉及一种具有优异机械性能的成型制品的制造方法,所述制品包含嵌段共聚物PAX.Y / PE,其包含与聚醚(PA)嵌段交替的聚酰胺嵌段(PE)嵌段,其由均聚酰胺嵌段PAX.Y通过缩聚 的线性脂族二胺,其中PAX.Y选自PA10,12; PA 6,18; PA 10,14; 和PA12.12在催化剂存在下与聚醚PE嵌段反应生成嵌段共聚物PAX.Y / PE,其中所述PE嵌段是PE二醇或包含NH 2端的PE嵌段。 形成的制品是织物,薄膜,片材,棒材,管材,注射成型部件或鞋底; 共聚物PAX.Y / PE具有比具有相同尺寸的PA嵌段和相同尺寸的PE嵌段的共聚物聚酰胺12 /聚四亚甲基具有至少300MPa的改进的弯曲模量。