Foam blowing agents blends of 10-90% of n- and/or i-pentane with 90-10% of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends.
申请公布号
US5958992(A)
申请公布日期
1999.09.28
申请号
US19980198872
申请日期
1998.11.24
申请人
ELF ATOCHEM NORTH AMERICA, INC.
发明人
WU, JINHUANG;DILLON, DOUGLAS R.;CROOKER, RICHARD M.