IP Library › Patent Application 11591350
Patent Application
App. No. 11/591,350

Blowing agents for forming foam comprising unsaturated fluorocarbons

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Patent No.
US None
App. No.
11/591,350
Abstract

Disclosed herein are blowing agents comprising fluorocarbons and/or hydrofluorocarbons useful in foamable compositions. Also disclosed are methods for forming a foam comprising the aforementioned blowing agents.

Claims (18)

1 . A blowing agent comprising at least one fluorocarbon or hydrofluorocarbon selected from the group consisting of:

(i) a hydrofluorocarbon having the formula E- or Z-R 1 CH═CHR 2 , wherein R 1 and R 2 are, independently, C 1 to C 6 perfluoroalkyl groups, provided that in the Z-isomer, R 1 and R 2 cannot both be CF 3 ; and

(ii) a fluorocarbon or hydrofluorocarbon selected from the group consisting of CF 3 CF═CHF, CF 3 CH═CF 2 , CHF 2 CF═CF 2 , CHF 2 CH═CHF, CF 3 CF═CH 2 , CF 3 CH═CHF, CH 2 FCF═CF 2 , CHF 2 CH═CF 2 , CHF 2 CF═CHF, CHF 2 CF═CH 2 , CF 3 CH═CH 2 , CH 3 CF═CF 2 , CH 2 FCHCF 2 , CH 2 FCF═CHF, CHF 2 CH═CHF, CF 3 CF═CFCF 3 , CF3CF 2 CF═CF 2 , CF 3 CF═CHCF 3 , CF 3 CF 2 CF═CH 2 , CF 3 CH═CHCF 3 , CF 3 CF 2 CH═CH 2 , CF 2 ═CHCF 2 CF 3 , CF 2 ═CFCHFCF 3 , CF 2 ═CFCF 2 CHF 2 , CHF 2 CH═CHCF 3 , (CF 3 ) 2 C═CHCF 3 , CF 3 CF═CHCF 2 CF 3 , CF 3 CH═CFCF 2 CF 3 , (CF 3 ) 2 CFCH═CH 2 , CF 3 CF 2 CF 2 CH═CH 2 , CF 3 (CF 2 ) 3 CF═CF 2 , CF 3 CF 2 CF═CFCF 2 CF 3 , (CF 3 ) 2 C═C(CF 3 ) 2 , (CF 3 ) 2 CFCF═CHCF 3 , CF 2 ═CFCF 2 CH 2 F, CF 2 ═CFCHFCHF 2 , CH 2 ═C(CF 3 ) 2 , CH 2 CF 2 CF═CF 2 , CH 2 FCF═CFCHF 2 , CH 2 FCF 2 CF═CF 2 , CF 2 ═C(CF 3 )(CH 3 ), CH 2 ═C(CHF 2 )(CF 3 ), CH 2 ═CHCF 2 CHF 2 , CF 2 ═C(CHF 2 )(CH 3 ), CHF═C(CF 3 )(CH 3 ), CH 2 ═C(CHF 2 ) 2 , CF 3 CF═CFCH 3 , CH 3 CF═CHCF 3 , CF 2 ═CFCF 2 CF 2 CF 3 , CHF═CFCF 2 CF 2 CF 3 , CF 2 ═CHCF 2 CF 2 CF 3 , CF 2 ═CFCF 2 CF 2 CHF 2 , CHF 2 CF═CFCF 2 CF 3 , CF 3 CF═CFCF 2 CHF 2 , CF 3 CF═CFCHFCF 3 , CHF═CFCF(CF 3 ) 2 , CF 2 ═CFCH(CF 3 ) 2 , CF 3 CH═C(CF 3 ) 2 , CF 2 ═CHCF(CF 3 ) 2 , CH 2 ═CFCF 2 CF 2 CF 3 , CHF═CFCF 2 CF 2 CHF 2 , CH 2 ═C(CF 3 )CF 2 CF 3 , CF 2 ═CHCH(CF 3 ) 2 , CHF═CHCF(CF 3 ) 2 , CF 2 ═C(CF 3 )CH 2 CF 3 , CH 2 ═CFCF 2 CF 2 CHF 2 , CF 2 ═CHCF 2 CH 2 CF 3 , CF 3 CF═C(CF 3 )(CH 3 ), CH 2 ═CFCH(CF 3 ) 2 , CHF═CHCH(CF 3 ) 2 , CH 2 FCH═C(CF 3 ) 2 , CH 3 CF═C(CF 3 ) 2 , CH 2 ═CHCF 2 CHFCF 3 , CH 2 C(CF 3 )CH 2 CF 3 , (CF 3 ) 2 C═CHC 2 F 5 , (CF3) 2 CFCF═CHCF 3 , CH 2 ═CHC(CF 3 ) 3 , (CF 3 ) 2 C═C(CH 3 )(CF 3 ), CH 2 ═CFCF 2 CH(CF 3 ) 2 , CF 3 CF═C(CH 3 )CF 2 CF 3 , CF 3 CH═CHCH(CF 3 ) 2 , CH 2 ═CHCF 2 CF 2 CF 2 CHF 2 , (CF 3 ) 2 C═CHCF 2 CH 3 , CH 2 ═C(CF 3 )CH 2 C 2 F 5 , CH 2 ═CHCH 2 CF 2 C 2 F 5 , CH 2 ═CHCH 2 CF 2 C 2 F 5 , CF 3 CF 2 CF═CFC 2 H 5 , CH 2 ═CHCH 2 CF(CF 3 ) 2 , CF 3 CF═CHCH(CF 3 )(CH 3 ), (CF 3 ) 2 C═CFC 2 H5, cyclo-CF 2 CF 2 CF 2 CH═CH—, cyclo-CF 2 CF 2 CH═CH—, CF 3 CF 2 CF 2 C(CH 3 )═CH 2 , CF 3 CF 2 CF 2 CH═CHCH 3 , cyclo-CF 2 CF 2 CF═CF—, cyclo-CF 2 CF═CFCF 2 CF 2 —, cyclo-CF 2 CF═CFCF 2 CF 2 CF 2 , CF 3 CF 2 CF 2 CF 2 CH═CH 2 , CF 3 CH═CHCF 2 CF 3 , CF 2 CF 2 CH═CHCF 2 CF 3 , CF 3 CH═CHCF 2 CF 2 CF 3 , CF 3 CF═CFC 2 F 5 , CF 3 CF═CFCF 2 CF 2 C 2 F 5 , CF 3 CF 2 CF═CFCF 2 C 2 F 5 , CF 3 CH═CFCF 2 CF 2 C 2 F 5 , CF 3 CF═CHCF 2 CF 2 C 2 F 5 , CF 3 CF 2 CH═CFCF 2 C 2 F 5 , CF 3 CF 2 CF═CHCF 2 C 2 F 5 , C 2 F 5 CF 2 CF═CHCH 3 , C 2 F 5 CF═CHCH 3 , (CF 3 ) 2 C═CHCH 3 , CF 3 C(CH 3 )═CHCF 3 , CHF═CFC 2 F 5 , CHF 2 CF═CFCF 3 , (CF 3 ) 2 C═CHF, CH 2 FCF═CFCF 3 , CHF═CHCF 2 CF 3 , CHF 2 CH═CFCF 3 , CHF═CFCHFCF 3 , CF 3 CH═CFCHF 2 , CHF═CFCF 2 CHF 2 , CHF 2 CF═CFCHF 2 , CH 2 CF═CFCF 3 , CH 2 FCH═CFCF 3 , CH 2 ═CFCHFCF 3 , CH 2 ═CFCF 2 CHF 2 , CF 3 CH═CFCH 2 F, CHF═CFCH 2 CF 3 , CHF═CHCHFCF 3 , CHF═CHCF 2 CHF 2 , CHF 2 CF═CHCHF 2 , CHF═CFCHFCHF 2 , CF 3 CF═CHCH 3 , CF 2 ═CHCF 2 Br, CHF═CBrCHF 2 , CHBr═CHCF 3 , CF 3 CBr═CFCF 3 , CH 2 ═CBrCF 2 CF 3 , CHBr═CHCF 2 CF 3 , CH 2 ═CHCF 2 CF 2 Br, CH 2 ═CHCBrFCF 3 , CH 3 CBr═CHCF 3 , CF 3 CBr═CHCH 3 , (CF 3 ) 2 C═CHBr, CF 3 CF═CBrCF 2 CF 3 , E-CHF 2 CBr═CFC 2 F 5 , Z-CHF 2 CBr═CFC 2 F 5 , CF 2 ═CBrCHFC 2 F 5 , (CF 3 ) 2 CFCBr═CH 2 , CHBr═CF(CF 2 ) 2 CHF 2 , CH 2 ═CBrCF 2 C 2 F 5 , CF 2 ═C(CH 2 Br)CF 3 , CH 2 ═C(CBrF 2 )CF 3 , (CF 3 ) 2 CHCH═CHBr, (CF 3 ) 2 C═CHCH 2 Br, CH 2 ═CHCF(CF 3 )CBrF 2 , CF 2 ═CHCF 2 CH 2 CBrF 2 , CFBr═CHCF 3 , CFBr═CFCF 3 , CF 3 CF 2 CF 2 CBr═CH 2 , and CF 3 (CF 2 ) 3 CBr═CH 2 .

2 . The blowing agent of claim 1 , wherein R 1 and R 2 are, independently, CF 3 , C 2 F 5 , CF 2 CF 2 CF 3 , CF(CF 3 ) 2 , CF 2 CF 2 CF 2 CF 3 , CF(CF 3 )CF 2 CF 3 , CF 2 CF(CF 3 ) 2 , C(CF 3 ) 3 , CF 2 CF 2 CF 2 CF 2 CF 3 , CF 2 CF 2 CF(CF 3 ) 2 , C(CF 3 ) 2 C 2 F 5 , CF 2 CF 2 CF 2 CF 2 CF 2 CF 3 , CF(CF 3 ) CF 2 CF 2 C 2 F 5 , or C(CF 3 ) 2 CF 2 C 2 F 5 .

3 . The blowing agent of claim 1 , wherein the hydrofluorocarbon is CF 3 CH═CHCF 3 , CF 3 CH═CHC 2 F 5 , CF 3 CH═CHCF 2 C 2 F 5 , CF 3 CH═CHCF(CF 3 ) 2 , C 2 F 5 CH═CHC 2 F 5 , CF 3 CH═CH(CF 2 ) 3 CF 3 , CF 3 CH═CHCF 2 CF(CF 3 ) 2 , CF 3 CH═CHCF(CF 3 )C 2 F 5 , CF 3 CH═CHC(CF 3 ) 3 , C 2 F 5 CH═CHCF 2 C 2 F 5 , C 2 F 5 CH═CHCF(CF 3 ) 2 , CF 3 CH═CH(CF 2 ) 4 CF 3 , CF 3 CH═CHCF 2 CF 2 CF(CF 3 ) 2 , CF 3 CH═CHC(CF 3 ) 2 C 2 F 5 , C 2 F 5 CH═CH(CF 2 ) 3 CF 3 , C 2 F 5 CH═CHCF 2 CF(CF 3 ) 2 , C 2 F 5 CH═CHCF(CF 3 )C 2 F 5 , C 2 F 5 CH═CHC(CF 3 ) 3 , C 2 F 5 CF 2 CH═CHCF 2 C 2 F 5 , (CF 3 ) 2 CFCH═CHCF(CF 3 ) 2 , C 2 F 5 CH═CHCF(CF 3 ) 2 , CF 3 CH═CH(CF 2 ) 5 CF 3 , CF 3 CH═CHCF(CF 3 )(CF 2 ) 2 C 2 F 5 , CF 3 CH═CHC(CF 3 ) 2 CF 2 C 2 F 5 , C 2 F 5 CH═CH(CF 2 ) 4 CF 3 , C 2 F 5 CH═CHCF 2 CF 2 CF(CF 3 ) 2 , C 2 F 5 CH═CHC(CF 3 ) 2 C 2 F 5 , C 2 F 5 CF 2 CH═CH(CF 2 ) 3 CF 3 , C 2 F 5 CF 2 CH═CHCF 2 CF(CF 3 ) 2 , C 2 F 5 CF 2 CH═CHCF(CF 3 )C 2 F 5 , C 2 F 5 CF 2 CH═CHC(CF 3 ) 3 , (CF 3 ) 2 CFCH═CH(CF 2 ) 3 CF 3 , (CF 3 ) 2 CFCH═CHCF 2 CF(CF 3 ) 2 , (CF 3 ) 2 CFCH═CHCF(CF 3 )C 2 F 5 , (CF 3 ) 2 CFCH═CHC(CF 3 ) 3 , C 2 F 5 CH═CH(CF 2 ) 5 CF 3 , C 2 F 5 CH═CHCF(CF 3 )(CF 2 ) 2 C 2 F 5 , C 2 F 5 CH═CHC(CF 3 ) 2 CF 2 C 2 F 5 , C 2 F 5 CF 2 CH═CH(CF 2 ) 4 CF 3 , C 2 F 5 CF 2 CH═CHCF 2 CF 2 CF(CF 3 ) 2 , C 2 F 5 CF 2 CH═CHC(CF 3 ) 2 C 2 F 5 , (CF 3 ) 2 CFCH═CH(CF 2 ) 44 CF 3 , (CF 3 ) 2 CFCH═CHCF 2 CF 2 CF(CF 3 ) 2 , (CF 3 ) 2 CFCH═CHC(CF 3 ) 2 C 2 F 5 , CF 3 (CF 2 ) 3 CH═CH(CF 2 ) 3 CF 3 , CF 3 (CF 2 ) 3 CH═CHCF 2 CF(CF 3 ) 2 , CF 3 (CF 2 ) 3 CH═CHCF(CF 3 )C 2 F 5 , CF 3 (CF 2 ) 3 CH═CHC(CF 3 ) 3 , (CF 3 ) 2 CFCF 2 CH═CHCF 2 CF(CF 3 ) 2 , (CF 3 ) 2 CFCF 2 CH═CHCF(CF 3 )C 2 F 5 , (CF 3 ) 2 CFCF 2 CH═CHC(CF 3 ) 3 , C 2 F 5 CF(CF 3 )CH═CHCF(CF 3 )C 2 F 5 , C 2 F 5 CF(CF 3 )CH═CHC(CF 3 ) 3 , or (CF 3 ) 3 CCH═CHC(CF 3 ) 3 .

4 . The blowing agent of claim 1 , wherein the hydrofluorocarbons is E-CF 3 CF═CHF, Z-CF 3 CF═CHF, E-CF 3 CH═CHCF 3 , Z-CF 3 CH═CHCF 3 , E-CF 3 CH═CFCF 3 , Z-CF 3 CH═CFCF 3 , E-CF 3 CF═CFCF 3 , Z-CF 3 CF═CFCF 3 , E-CF 3 CH═CHCF 2 CF 3 , Z-CF 3 CH═CHCF 2 CF 3 , E-CF 3 CF═CHCF 2 CF 3 , Z-CF 3 CF═CHCF 2 CF 3 , E-CF 3 CH═CFCF 2 CF 3 , Z-CF 3 CH═CFCF 2 CF 3 , E-CF 3 CF═CFCF 2 CF 3 , CF 3 CF 2 CF═CH 2 or Z-CF 3 CF═CFCF 2 CF 3 .

5 . A blowing agent comprising a hydrofluoroolefin having the formula E- or Z-R 1 CH═CHR 2 , wherein R 1 and R 2 are wherein R 1 and R 2 are, independently, CF 3 , C 2 F 5 , CF 2 CF 2 CF 3 , CF(CF 3 ) 2 , CF 2 CF 2 CF 2 CF 3 , CF(CF 3 )CF 2 CF 3 , CF 2 CF(CF 3 ) 2 , C(CF 3 ) 3 , CF 2 CF 2 CF 2 CF 2 CF 3 , CF 2 CF 2 CF(CF 3 ) 2 , C(CF 3 ) 2 C 2 F 5 , CF 2 CF 2 CF 2 CF 2 CF 2 CF 3 , CF(CF 3 ) CF 2 CF 2 C 2 F 5 , or C(CF 3 ) 2 CF 2 C 2 F 5 .

6 . A blowing agent comprising a fluorocarbon or hydrofluorocarbon selected from the group consisting of CF 3 CF═CHF, CF 3 CH═CF 2 , CHF 2 CF═CF 2 , CHF 2 CH═CHF, CF 3 CF═CH 2 , CF 3 CH═CHF, CH 2 FCF═CF 2 , CHF 2 CH═CF 2 , CHF 2 CF═CHF, CHF 2 CF═CH 2 , CF 3 CH═CH 2 , CH 3 CF═CF 2 , CH 2 FCHCF 2 , CH 2 FCF═CHF, CHF 2 CH═CHF, CF 3 CF═CFCF 3 , CF3CF 2 CF═CF 2 , CF 3 CF═CHCF 3 , CF 3 CF 2 CF═CH 2 , CF 3 CH═CHCF 3 , CF 3 CF 2 CH═CH 2 , CF 2 ═CHCF 2 CF 3 , CF 2 ═CFCHFCF 3 , CF 2 ═CFCF 2 CHF 2 , CHF 2 CH═CHCF 3 , (CF 3 ) 2 C═CHCF 3 , CF 3 CF═CHCF 2 CF 3 , CF 3 CH═CFCF 2 CF 3 , (CF 3 ) 2 CFCH═CH 2 , CF 3 CF 2 CF 2 CH═CH 2 , CF 3 (CF 2 ) 3 CF═CF 2 , CF 3 CF 2 CF═CFCF 2 CF 3 , (CF 3 ) 2 C═C(CF 3 ) 2 , (CF 3 ) 2 CFCF═CHCF 3 , CF 2 ═CFCF 2 CH 2 F, CF 2 ═CFCHFCHF 2 , CH 2 ═C(CF 3 ) 2 , CH 2 CF 2 CF═CF 2 , CH 2 FCF═CFCHF 2 , CH 2 FCF 2 CF═CF 2 , CF 2 ═C(CF 3 )(CH 3 ), CH 2 ═C(CHF 2 )(CF 3 ), CH 2 ═CHCF 2 CHF 2 , CF 2 ═C(CHF 2 )(CH 3 ), CHF═C(CF 3 )(CH 3 ), CH 2 ═C(CHF 2 ) 2 , CF 3 CF═CFCH 3 , CH 3 CF═CHCF 3 , CF 2 ═CFCF 2 CF 2 CF 3 , CHF═CFCF 2 CF 2 CF 3 , CF 2 ═CHCF 2 CF 2 CF 3 , CF 2 ═CFCF 2 CF 2 CHF 2 , CHF 2 CF═CFCF 2 CF 3 , CF 3 CF═CFCF 2 CHF 2 , CF 3 CF═CFCHFCF 3 , CHF═CFCF(CF 3 ) 2 , CF 2 ═CFCH(CF 3 ) 2 , CF 3 CH═C(CF 3 ) 2 , CF 2 ═CHCF(CF 3 ) 2 , CH 2 ═CFCF 2 CF 2 CF 3 , CHF═CFCF 2 CF 2 CHF 2 , CH 2 ═C(CF 3 )CF 2 CF 3 , CF 2 ═CHCH(CF 3 ) 2 , CHF═CHCF(CF 3 ) 2 , CF 2 ═C(CF 3 )CH 2 CF 3 , CH 2 ═CFCF 2 CF 2 CHF 2 , CF 2 ═CHCF 2 CH 2 CF 3 , CF 3 CF═C(CF 3 )(CH 3 ), CH 2 ═CFCH(CF 3 ) 2 , CHF═CHCH(CF 3 ) 2 , CH 2 FCH═C(CF 3 ) 2 , CH 3 CF═C(CF 3 ) 2 , CH 2 ═CHCF 2 CHFCF 3 , CH 2 C(CF 3 )CH 2 CF 3 , (CF 3 ) 2 C═CHC 2 F 5 , (CF3) 2 CFCF═CHCF 3 , CH 2 ═CHC(CF 3 ) 3 , (CF 3 ) 2 C═C(CH 3 )(CF 3 ), CH 2 ═CFCF 2 CH(CF 3 ) 2 , CF 3 CF═C(CH 3 )CF 2 CF 3 , CF 3 CH═CHCH(CF 3 ) 2 , CH 2 ═CHCF 2 CF 2 CF 2 CHF 2 , (CF 3 ) 2 C═CHCF 2 CH 3 , CH 2 ═C(CF 3 )CH 2 C 2 F 5 , CH 2 ═CHCH 2 CF 2 C 2 F 5 , CH 2 ═CHCH 2 CF 2 C 2 F 5 , CF 3 CF 2 CF═CFC 2 H 5 , CH 2 ═CHCH 2 CF(CF 3 ) 2 , CF 3 CF═CHCH(CF 3 )(CH 3 ), (CF 3 ) 2 C═CFC 2 H5, cyclo-CF 2 CF 2 CF 2 CH═CH—, cyclo-CF 2 CF 2 CH═CH—, CF 3 CF 2 CF 2 C(CH 3 )═CH 2 , CF 3 CF 2 CF 2 CH═CHCH 3 , cyclo-CF 2 CF 2 CF═CF—, cyclo-C F 2 CF═C FCF 2 C F 2 —, cyclo-CF 2 CF═CFC F 2 CF 2 CF 2 , CF 3 CF 2 CF 2 CF 2 CH═CH 2 , CF 3 CH═CHCF 2 CF 3 , CF 2 CF 2 CH═CHCF 2 CF 3 , CF 3 CH═CHCF 2 CF 2 CF 3 , CF 3 CF═CFC 2 F 5 , CF 3 CF═CFCF 2 CF 2 C 2 F 5 , CF 3 CF 2 CF═CFCF 2 C 2 F 5 , CF 3 CH═CFCF 2 CF 2 C 2 F 5 , CF 3 CF═CHCF 2 CF 2 C 2 F 5 , CF 3 CF 2 CH═CFCF 2 C 2 F 5 , CF 3 CF 2 CF═CHCF 2 C 2 F 5 , C 2 F 5 CF 2 CF═CHCH 3 , C 2 F 5 CF═CHCH 3 , (CF 3 ) 2 C═CHCH 3 , CF 3 C(CH 3 )═CHCF 3 , CHF═CFC 2 F 5 , CHF 2 CF═CFCF 3 , (CF 3 ) 2 C═CHF, CH 2 FCF═CFCF 3 , CHF═CHCF 2 CF 3 , CHF 2 CH═CFCF 3 , CHF═CFCHFCF 3 , CF 3 CH═CFCHF 2 , CHF═CFCF 2 CHF 2 , CHF 2 CF═CFCHF 2 , CH 2 CF═CFCF 3 , CH 2 FCH═CFCF 3 , CH 2 ═CFCHFCF 3 , CH 2 ═CFCF 2 CHF 2 , CF 3 CH═CFCH 2 F, CHF═CFCH 2 CF 3 , CHF═CHCHFCF 3 , CHF═CHCF 2 CHF 2 , CHF 2 CF═CHCHF 2 , CHF═CFCHFCHF 2 , CF 3 CF═CHCH 3 , CF 2 ═CHCF 2 Br, CHF═CBrCHF 2 , CHBr═CHCF 3 , CF 3 CBr═CFCF 3 , CH 2 ═CBrCF 2 CF 3 , CHBr═CHCF 2 CF 3 , CH 2 ═CHCF 2 CF 2 Br, CH 2 ═CHCBrFCF 3 , CH 3 CBr═CHCF 3 , CF 3 CBr═CHCH 3 , (CF 3 ) 2 C═CHBr, CF 3 CF═CBrCF 2 CF 3 , E-CHF 2 CBr═CFC 2 F 5 , Z-CHF 2 CBr═CFC 2 F 5 , CF 2 ═CBrCHFC 2 F 5 , (CF 3 ) 2 CFCBr═CH 2 , CHBr═CF(CF 2 ) 2 CHF 2 , CH 2 ═CBrCF 2 C 2 F 5 , CF 2 ═C(CH 2 Br)CF 3 , CH 2 ═C(CBrF 2 )CF 3 , (CF 3 ) 2 CHCH═CHBr, (CF 3 ) 2 C═CHCH 2 Br, CH 2 ═CHCF(CF 3 )CBrF 2 , CF 2 ═CHCF 2 CH 2 CBrF 2 , CFBr═CHCF 3 , CFBr═CFCF 3 , CF 3 CF 2 CF 2 CBr═CH 2 , and CF 3 (CF 2 ) 3 CBr═CH 2 .

7 . A plasticized mass comprising a resin and the blowing agent of claim 1 .

8 . A foam premix composition comprising a polyol and the blowing agent of claim 1 .

9 . A polyisocyanate-based foamable composition comprising at least one organic polyisocyanate, at least one active hydrogen-containing compound, and the blowing agent of claim 1 .

10 . The polyisocyanate-based foamable composition of claim 9 , wherein the at least one active hydrogen-containing compound is preblended with the blowing agent before being mixed with the at least one organic polyisocyanate.

11 . The polyisocyanate-based foamable composition of claim 10 , wherein the preblended mixture of the at least one active hydrogen-containing compound and the blowing agent contains at least 5 to 50 wt. % blowing agent, based on the total weight of active hydrogen-containing compound and blowing agent.

12 . The polyisocyanate-based foamable composition claim 11 , wherein the preblended mixture of the at least one active hydrogen-containing compound and blowing agent contains at least 5 to 25 wt. % blowing agent, based on the total weight of active hydrogen-containing compound and blowing agent.

13 . The polyisocyanate-based foamable composition of claim 9 , wherein the at least one organic polyisocyanate, the at least one active hydrogen-containing compound, and the blowing agent of claim 1 are blended simultaneously.

14 . The polyisocyanate-based foamable composition of claim 9 , further comprising at least one additional component selected from the group consisting of catalyst, surfactant, flame retardant, preservative, colorant, antioxidant, reinforcing agent, filler, antistatic agent, and a combination thereof.

15 . The polyisocyanate-based foamable composition of claim 14 , wherein the surfactant is present in a range of from about 0.2 to about 5 parts surfactant per 100 parts by weight polyol.

16 . The polyisocyanate-based foamable composition of claim 14 , wherein the catalyst is present in a range of from about 0.1 to about 5 parts catalyst per 100 parts by weight of polyol.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2007
From: CREAZZO, JOSEPH ANTHONY; SIEVERT, ALLEN CAPRON; NAPPA, MARIO JOSEPH; SWEARINGEN, EKATERINA N.
To: E. I. DU PONT DE NEMOURS AND COMPANY
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