If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
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For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
700193
Polyetherimide
melt index 9 g/10 min (337 °C/6.6kg)
Synonym(s):
Poly(bisphenol A-co-4-nitrophthalic anhydride-co-1,3-phenylenediamine), PEI, Poly(bisphenol A anhydride-co-1,3-phenylenediamine), Poly(bisphenol A dianhydride-co-1,3-phenylenediamine), Poly(ether imide), Poly-[2,2′bis(4-(3,4-dicarboxyphenoxy)phenylpropane)-1,3-phenylene bisimide], Polyetherimide
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
250 g | Check Cart for Availability | $182.00 |
1 kg | Check Cart for Availability | $402.00 |
About This Item
form
pellets
Quality Segment
melt index
9 g/10 min (337 °C/6.6kg)
feature
hydrophobic
density
1.27 g/mL at 25 °C (lit.)
SMILES string
Nc7cc(ccc7)N.O1C(=O)c2c(ccc(c2)Oc3ccc(cc3)C(C)(C)c4ccc(cc4)Oc5cc6c(cc5)C(=O)OC6=O)C1=O
InChI
1S/C31H20O8.C6H8N2/c1-31(2,17-3-7-19(8-4-17)36-21-11-13-23-25(15-21)29(34)38-27(23)32)18-5-9-20(10-6-18)37-22-12-14-24-26(16-22)30(35)39-28(24)33;7-5-2-1-3-6(8)4-5/h3-16H,1-2H3;1-4H,7-8H2
InChI key
VYLFLJXGGIUQKT-UHFFFAOYSA-N
General description
Application
- PEI/ BaTi4O9 composites,
- PEI/glass fiber composites,
- Nanocomposite PEI/TiO2-sulfonated polymer membranes,
- Nanoparticles coated PEI-polyurethane (SiO2/PEI-PU) nanofibrous composite membranes,
- Single walled nanotubes (SWNTs)/PEI nanocomposites.
1 of 1
This Item | |||
|---|---|---|---|
| description melt index 9 g/10 min (337 °C/6.6kg) | description (PEI), granule, 3 mm nominal granule size, weight 2000 g, natural | description (PEI), film, thickness 0.5 mm, size 600 × 600 mm, clear amber | description (PEI), sheet, thickness 1.6 mm, size 150 × 150 mm, clear amber |
| form pellets | form granular | form film | form sheet |
| density 1.27 g/mL at 25 °C (lit.) | density - | density - | density - |
| Quality Level 100 | Quality Level - | Quality Level - | Quality Level - |
| feature hydrophobic | feature - | feature - | feature - |
| melt index 9 g/10 min (337 °C/6.6kg) | melt index - | melt index - | melt index - |
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Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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What are the end groups of your polyetherimide (PEI) solid (cat no. 700193)?
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Polyetherimide is synthesized through condensation polymerization of a bisphenol di-anhydride and a diamine. The end group is an amine (-NH2) group on m-PDA.
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What is the average molecular weight of this item
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Unfortunately, the molecular weight of this product has not been determined.
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What are the end groups of this polymer?
1 answer-
The end group is an amine (-NH2) group on m-PDA. The Polyetherimide is synthesized through condensation polymerization of a bisphenol di-anhydride and a diamine by the reaction as shown in the image.
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