摘要:
A composition [composition (C)] including: a) an aromatic polycarbonate polymer [PC polymer (P1)]; b) a polaryletherketone polymer [PAEK polymer (P2) and c) an impact modifier [impact modifier (IM)] is herein disclosed. A method for the manufacture of composition (C) and the use of composition (C) for the manufacture of formed articles, in particular parts of electronic devices, more particularly parts of portable or mobile electronic devices are also herein disclosed. Composition (C) may exhibit the following combination of properties: —high impact resistance; —good aesthetic characteristics (colorability); and —high chemical resistance.
摘要:
Described herein are polymer compositions including at least one semi-crystalline, semi-aromatic polyester polymer and at least one impact modifier. The blends have excellent impact resistance and excellent dimensional stability. The blends also have excellent chemical resistance, whiteness, colorability and anodization resistance. The polymer compositions can optionally include at least one amorphous polymer. The at least one amorphous polymer can bean amorphous polycarbonate polymer or an amorphous polyester polymer or a polyester-carbonate. In some embodiments, the polymer composition can optionally include one or more additives. The polyester compositions described herein can be desirably incorporated into mobile electronic device components.
摘要:
Described herein are poly(aryl ether) (“PAE”) adhesive compositions including at least one PAE chelating agent. The PAE chelating agent is a PAE polymer. In some embodiments, the PAE adhesive composition can optionally include one or more poly(aryl ether ketone) polymers distinct from the PAE chelating agent. The PAE adhesive composition can be incorporated into polymer-metal junctions to improve the strength thereof. In some such embodiments, the adhesive composition can be disposed between a portion of the plastic component and a portion of the metal component of the polymer-metal junction. In some embodiments, the PAE adhesive compositions can be used in conjunction with one or more adhesion promoters distinct from the PAE adhesive composition. In some embodiments, polymer-metal junctions including the PAE chelating agent can be desirably incorporated in mobile electronic device components.
摘要:
Adhesive compositions are described that significantly improve the adhesion of polymer overmold compositions to metal substrates in polymer-metal junctions. The adhesive compositions include one or more poly(aryl ether) polymers, where each of the poly(aryl ether) polymers is, independently, a poly(aryl ether sulfone) polymer or a poly(aryl ether ketone) polymer. The overmold composition includes at least one poly(aryl ether ketone) polymer. Polymer-Metal junctions can be formed by, for example, dip-coating, spin-coating, extruding, or injection molding the adhesive composition and/or the overmold composition onto the metal substrate. Desirable applications settings for the polymer-metal junctions described include, but are not limited to electrical wiring.
摘要:
An oil and gas recovery article comprising at least one part made of a poly(arylether sulfone) polymeric material comprising at least one poly(arylether sulfone) polymer, wherein said (t-PAES) polymer comprising more than 50% moles of recurring units (Rt) of formula (St): -E-Ar1—SO2—[Ar2-(T-Ar3)n—SO2]m—Ar4 wherein n and m, equal to or different from each other, are independently zero or an integer of 1 to 5, each of Ar1, Ar2, Ar3 and Ar4 equal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group and E is of formula (Et), wherein each of R′, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; j′ is zero or is an integer from 1 to 4.
摘要:
A composition [composition (C), herein after] comprising from 30 to 95% by weight of at least one poly(arylether sulfone) polymer, wherein said polymer comprising more than 50% moles of recurring units (Rt) of formula (St): -E-Ar1—SO2—[Ar2-(T-Ar3)n—SO2]m—Ar4-(formula S) wherein n and m, equal to or different from each other, are independently zero or an integer of 1 to 5, each of Ar1, Ar2, Ar3 and Ar4 equal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group optionally comprising one or more than one heteroatom;and E is of formula (Et): herein each of R′, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; j′ is zero or is an integer from 1 to 4, from to 50% wt. of at least one reinforcing filler, and wherein all % wt. are based on the total weight of the composition (C).
摘要:
A prosthetic device comprising at least one part made of a polymer composition [composition (C), herein after] comprising at least one part made of a polymer composition [composition (C), herein after] comprising a polymer composition [composition (C)] comprising at least one polyaryletherketone polymer [(PAEK) polymer], and at least one nitride (NI) of an element having an electronegativity (c) of from 1.3 to 2.5, as defined in >, CRC Press, 64th edition, pages B-65 to B-158.
摘要翻译:包含由聚合物组合物[组合物(C))组成的至少一部分的假体装置包含由聚合物组合物[组合物(C))组成的至少一部分,由聚合物组合物[组合物(C) ]包含至少一种聚芳醚酮聚合物[(PAEK)聚合物]和至少一种具有1.3至2.5的电负性(c)的元素的至少一种氮化物(NI),如“Handbook of Chemistry and Physics” CRC Press,第64版,B-65页到B-158页。
摘要:
The present invention generally relates a polymer-metal junction comprising PEEK-PEoEK copolymers compositions, in contact with at least a part of the surface of a metal substrate, wherein the PEEK-PEoEK copolymer having RPEEK and RPEoEK repeat units in a molar ratio RPEEK/RPEoEK ranging from 95/5 to 5/95. The present invention also relates to shaped articles including the polymer-metal junction, and methods of making the polymer-metal junctions.
摘要:
The invention pertains to a article or a part, comprising: —a first layer (1) of a composition (C) comprising a polymeric component comprising a) at least one poly(aryl ether ketone) polymer (PAEK), and b) at least one poly(aryl ether sulfone) polymer (PAES), wherein the composition (C) further comprises glass fibers and/or carbon fibers and has a melting temperature (Tm) of at least 290° C., as measured by differential scanning calorimetry (DSC) according to ASTM D3418, and—at least one coating (2) of metal having a thickness of at least 20 μm, preferably at least 30 μm. The present invention also relates to a process for preparing this article/part by metallisation and to the use of such articles and parts in electrical & electronic applications, mobile electronics, smart devices & wearables and smart phones.
摘要:
Described herein are foam materials comprising a blend of a poly(biphenyl ether sulfone) (PPSU) and a polyethersulfone polymer (PES) with improved compressive strength and impact performance, a method for their formation, and articles comprising said foam materials for use in various lightweight applications such as transport and building materials.