• Polyetherimide (PEI; branded as Ultem) is an amorphous, amber-to-transparent thermoplastic with characteristics similar to the related plastic PEEK. When...
    3 KB (228 words) - 17:38, 15 October 2024
  • Thumbnail for Thermoplastic
    resistance, low flammability and emission of smoke and toxic gases. Polyetherimide (PEI), produced by a novel nitro displacement reaction involving bisphenol...
    18 KB (2,394 words) - 07:28, 20 August 2024
  • Thumbnail for Stratasys
    materials, including: ABS, polyphenylsulfone (PPSF), polycarbonate (PC) and polyetherimide and Nylon 12. Stratasys manufactures in-office prototyping and direct...
    20 KB (1,778 words) - 03:31, 26 September 2024
  • Chinese-American architect Mario Pei (1901–1978), an Italian-American linguist Polyetherimide (PEI), a thermoplastic similar to PEEK Polyethylenimine (PEI), a type...
    1 KB (176 words) - 18:10, 7 January 2024
  • Thumbnail for Engineering plastic
    terephthalate (PBT) Polycarbonates (PC) Polyetheretherketone (PEEK) Polyetherimide (PEI) Polyetherketoneketone (PEKK) Polyetherketones (PEK) Polyketone...
    4 KB (391 words) - 15:32, 4 May 2024
  • Thumbnail for Kapton
    failure by warping of the part. A more durable alternative is to use a polyetherimide surface. Researchers have devised a method to 3D-print polyimide material...
    15 KB (1,646 words) - 08:11, 28 June 2024
  • Thumbnail for SABIC
    Cycoloy (polycarbonate / acrylonitrile butadiene styrene blend) Ultem (polyetherimide) Extem (polyimide) Geloy (acrylonitrile styrene acrylate / acrylonitrile...
    18 KB (1,847 words) - 01:57, 24 October 2024
  • Thumbnail for Glioblastoma
    LPLNP-PPT (long persistent luminescence nanoparticles. PPT refers to polyetherimide, PEG and trans-activator of transcription, and TRAIL is the human tumor...
    78 KB (8,704 words) - 07:39, 8 October 2024
  • Thumbnail for Plastic
    aerospace moldings. It is one of the most expensive commercial polymers. Polyetherimide (PEI) (Ultem): a high-temperature, chemically stable polymer that does...
    94 KB (11,869 words) - 18:38, 5 November 2024
  • Thumbnail for Recycling codes
    chlorinated 68 PEEK polyetheretherketone 69 PEEST polyetherester 70 PEI polyetherimide 71 PEK polyetherketone 72 LLDPE polyethylene, linear low density 73...
    20 KB (641 words) - 02:30, 10 October 2024
  • Thumbnail for High-performance plastics
    like all polymers. Polysulfone (PSU), poly(ethersulfone) (PES) and polyetherimide (PEI) for example are amorphous; poly(phenylene sulfide) (PPS), polyetheretherketone...
    12 KB (1,396 words) - 21:14, 23 May 2024
  • Thumbnail for Polyethylenimine
    intracellular gene delivery. Tetraethylenepentamine Ethylenediamine Polyetherimide (Also goes by PEI) Polyimine Yemul, Omprakash; Imae, Toyoko (2008)....
    22 KB (2,400 words) - 19:52, 23 September 2024
  • Thumbnail for Biomaterial
    select few including: cyclic olefin copolymer (COC), polycarbonate (PC), polyetherimide (PEI), medical grade polyvinylchloride (PVC), polyethersulfone (PES)...
    52 KB (5,927 words) - 20:47, 7 October 2024
  • Good Polycarbonate (PC) Good to excellent Polycarbonate/PBT alloy Good Polyetherimide Good Polyethersulfones (PES) Good to excellent Perfluoroalkoxy alkane...
    15 KB (2,128 words) - 00:42, 19 August 2023
  • rewritten version of the Marlin firmware. Other new features include a polyetherimide print surface, Rambo controller board and an E3D V6 Full hotend. The...
    38 KB (3,988 words) - 19:14, 5 November 2024
  • Thumbnail for Bisphenol A
    number of resins used in the production of printed circuit boards. Polyetherimides such as Ultem can be produced from BPA via a nitro-displacement of...
    65 KB (6,843 words) - 16:41, 6 November 2024
  • Thumbnail for Flexible electronics
    including: polyester (PET), polyimide (PI), polyethylene naphthalate (PEN), polyetherimide (PEI), along with various fluropolymers (FEP) and copolymers. Polyimide...
    26 KB (3,153 words) - 16:40, 23 October 2024
  • Thumbnail for Made In Space
    acrylonitrile butadiene styrene (ABS), high-density polyethylene (HDPE), and a polyetherimide/polycarbonate composite (PEI-PC). In 2014, NASA selected Made In Space...
    18 KB (1,985 words) - 05:09, 17 March 2024
  • reorient themselves in a manner that reduces weld strength. Carbon fiber polyetherimide (CF/PEI) Carbon fiber polyphenylene sulfide (CF/PPS) Carbon fiber polyetheretherketone...
    15 KB (2,192 words) - 17:10, 7 November 2023
  • Against the Islamization of the West") PEI – (i) Prince Edward Island – PolyEtherImide PEK – (i) PolyEtherKetone PEMDAS - The order of operations in math (Parentheses...
    43 KB (3,978 words) - 10:27, 18 October 2024
  • Thumbnail for Valerie Ashby
    of 1992, where she worked on the synthesis of thiophene-containing polyetherimides. She also spent the summer of 1993 as a visiting scientist at the Eastman...
    14 KB (1,136 words) - 16:24, 6 August 2024