MULTILAYER POLYARYLENE SULFIDE TUBES
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Jun 9, 2021
filing date -
Jun 9, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Described here are multilayer tubes including a plurality of layers. The multilayer tubes include an outermost layer, including a first polyarylene sulfide (“PAS”) and from 5 wt. % to 30 wt. % of an impact modifier. The multilayer tubes also include an innermost layer including a second PAS and from 0.1 wt. % to 10 wt. % of an electrically conductive filler. Significantly, each layer in the multilayer tube comprises a PAS. The outermost layer is the sole layer comprising an impact modifier and the innermost layer is the sole layer comprising an electrically conductive filler. At least in part because of compatibility of PAS based materials with one another for interfacial bonding, the multilayer tube is free of tie layers.
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International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- H05F:STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICIT....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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