CELLULAR STRUCTURES AND VISCOELASTIC POLYURETHANE FOAMS
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United States of America Patent
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app pub date -
Jul 15, 2009
filing date -
Jul 18, 2008
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Abstract
The present invention discloses a structure comprising a plurality of three dimensional cells, wherein each cell comprises exterior walls defining an interior void wherein the walls comprise a plurality of struts and windows, the struts forming borders for the plurality of windows, wherein the struts have a plurality of pores. The present invention further discloses a viscoelastic foam having a ratio of elastic modulus (E′) at 20° C. to 25% compression force deflection (CFD) of 25 to 125.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- 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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