Nanocellular thermoplastic foam and process for making the same
Abstract
Prepare a thermoplastic polymer foam having a porosity of 70% or more and at least one of: (i) an average cell size of 200 nanometers or less; and (ii) a nucleation density of at least 1.times.1015 effective nucleation sites per cubic centimeter of foamable polymer composition not including blowing agent using a foamable polymer composition containing a thermoplastic polymer selected from styrenic polymer and (meth)acrylic polymers, a blowing agent comprising at least 20 mole-percent carbon dioxide based on moles of blowing agent and an additive having a Total Hansen Solubility Parameter that differs from that of carbon dioxide by less than 2 and that is present at a concentration of 0.01 to 1.5 weight parts per hundred weight parts thermoplastic polymer.
- Inventors:
- Issue Date:
- Research Org.:
- Dow Global Technologies LLC, Midland, MI (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1221982
- Patent Number(s):
- 9145477
- Application Number:
- 14/421,851
- Assignee:
- Dow Global Technologies LLC (Midland, MI)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- DOE Contract Number:
- EE0003916
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2013 Sep 13
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Zhu, Lingbo, Costeux, Stephane, Patankar, Kshitish A., and Moore, Jonathan D. Nanocellular thermoplastic foam and process for making the same. United States: N. p., 2015.
Web.
Zhu, Lingbo, Costeux, Stephane, Patankar, Kshitish A., & Moore, Jonathan D. Nanocellular thermoplastic foam and process for making the same. United States.
Zhu, Lingbo, Costeux, Stephane, Patankar, Kshitish A., and Moore, Jonathan D. Tue .
"Nanocellular thermoplastic foam and process for making the same". United States. https://www.osti.gov/servlets/purl/1221982.
@article{osti_1221982,
title = {Nanocellular thermoplastic foam and process for making the same},
author = {Zhu, Lingbo and Costeux, Stephane and Patankar, Kshitish A. and Moore, Jonathan D.},
abstractNote = {Prepare a thermoplastic polymer foam having a porosity of 70% or more and at least one of: (i) an average cell size of 200 nanometers or less; and (ii) a nucleation density of at least 1.times.1015 effective nucleation sites per cubic centimeter of foamable polymer composition not including blowing agent using a foamable polymer composition containing a thermoplastic polymer selected from styrenic polymer and (meth)acrylic polymers, a blowing agent comprising at least 20 mole-percent carbon dioxide based on moles of blowing agent and an additive having a Total Hansen Solubility Parameter that differs from that of carbon dioxide by less than 2 and that is present at a concentration of 0.01 to 1.5 weight parts per hundred weight parts thermoplastic polymer.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Sep 29 00:00:00 EDT 2015},
month = {Tue Sep 29 00:00:00 EDT 2015}
}
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