FLEXIBLE FOAM HAVING LOW BULK DENSITY AND COMPRESSION STRENGTH
PROBLEM TO BE SOLVED: To provide a foam having a bulk density of
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| creator | MEYER-AHRENS SVEN NAUJOKS MANFRED STEINBORN KLAUS |
| description | PROBLEM TO BE SOLVED: To provide a foam having a bulk density of |
| format | Patent |
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SOLUTION: This flexible foam having a bulk density of <15 kg/m3and a compression strength of <1.5 kPa comprises a reaction product having a NCO index of 80 to 100 and comprising (a) an aromatic polyisocyanate, (b) a polymer mixture comprising (b1) 60 to 90 pts.wt. of a polyetherpolyol having a nominal functional value of 2 to 6, an oxyethylene content of >60 wt.%, mainly primary OH groups, and an OH value of 10 to 112, and (b2) 10 to 40 pts.wt. of a polyetherpolyol having a nominal functional value of 2 to 6, an oxyethylene content of 0 to 30 wt.%, mainly secondary OH groups, and an OH value of 8 to 112, (c) water, and (d) compression-dissolved CO2in an amount of 6 pts.wt. per 100 pts.wt. of the component (b). 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SOLUTION: This flexible foam having a bulk density of <15 kg/m3and a compression strength of <1.5 kPa comprises a reaction product having a NCO index of 80 to 100 and comprising (a) an aromatic polyisocyanate, (b) a polymer mixture comprising (b1) 60 to 90 pts.wt. of a polyetherpolyol having a nominal functional value of 2 to 6, an oxyethylene content of >60 wt.%, mainly primary OH groups, and an OH value of 10 to 112, and (b2) 10 to 40 pts.wt. of a polyetherpolyol having a nominal functional value of 2 to 6, an oxyethylene content of 0 to 30 wt.%, mainly secondary OH groups, and an OH value of 8 to 112, (c) water, and (d) compression-dissolved CO2in an amount of 6 pts.wt. per 100 pts.wt. of the component (b). 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SOLUTION: This flexible foam having a bulk density of <15 kg/m3and a compression strength of <1.5 kPa comprises a reaction product having a NCO index of 80 to 100 and comprising (a) an aromatic polyisocyanate, (b) a polymer mixture comprising (b1) 60 to 90 pts.wt. of a polyetherpolyol having a nominal functional value of 2 to 6, an oxyethylene content of >60 wt.%, mainly primary OH groups, and an OH value of 10 to 112, and (b2) 10 to 40 pts.wt. of a polyetherpolyol having a nominal functional value of 2 to 6, an oxyethylene content of 0 to 30 wt.%, mainly secondary OH groups, and an OH value of 8 to 112, (c) water, and (d) compression-dissolved CO2in an amount of 6 pts.wt. per 100 pts.wt. of the component (b). COPYRIGHT: (C)2006,JPO&NCIPI</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
| title | FLEXIBLE FOAM HAVING LOW BULK DENSITY AND COMPRESSION STRENGTH |
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