Annealed porous polyolefin material
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United States of America Patent
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Nov 17, 2015
filing date -
Nov 26, 2014
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Abstract
A polyolefin material that comprises a thermoplastic composition that is annealed and thereafter drawn in a solid state is provided. The composition contains a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of discrete domains. A porous network is defined within the thermoplastic composition that includes a plurality of nanopores, wherein the thermoplastic composition has a glass transition temperature of from about −20° C. to about 50° C. as determined in accordance with ASTM E1640-13.
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International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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