环戊烷异戊烷发泡体系在冰箱生产中的应用

2(,528303):2,,,27%,12%,,,,21.8mW/(mK):2;;;CFC,,CFC[1]CFC1994,1996,,,,,,,,[2],1996,22,,,2,2,2,2,2,19992,1,,22,,1.1A:2,MA20006,();B:MDI,5005,;:2,65/35,1.2:22.12,,,43POLYURETHANEINDUSTRY20011612001.Vol.16No.111/202225/MPa-15/s137/s7353/kgm-324.324.02.22225,BA1.35,7%2.2.12BCD220322BCD22032kg/m3mW/(mK)%MPakg/m3mW/(mK)%MPa34.421.88-0.530.2136.320.9-0.150.1532.421.46-0.210.1837.320.1-0.310.1233.321.84-0.050.1938.521.1-0.200.1833.121.7800.1938.520.3-0.220.1833.321.69-0.110.1738.420.5-0.420.1933.821.37-0.500.2136.721.1-0.270.1632.722.0900.1937.020.7-0.590.1433.421.77-0.300.1639.721.5-0.240.19,212%,2kg/m3,,,4.6%2.2.2BCD21722032,2,3321212/kWh(24h)-1BCD21721.091.131.091.10BCD22031.341.331.301.35/minBCD2172817788832818BCD2203750692803747:BCD2172251.18kWh/24h,BCD2203251.35kWh/24h-18-9,300min3,2,2.2.3BCD2165BCD2172,-30,12h+50,12h,7,7,BCD2165BCD2172,23,2,531221.CFC.,1996,11(1):92,./.:..2000.952000-10-232000-12-22Applicationofi/c2PentaneFoamingTechniqueinRefrigeratorProductionLiuYingGuanZhiqing(GuandongKelonElectricalHoldingsCo.Ltd.Shunde528303)Abstract:Applicationofi/c2pentanerigidpolyurethanefoamingsysteminrefrigeratorproductionandcomparisonwithc2pentanefoamingsysteminprocessingandperformanceareintroducedhere.Itshowsthat,comparingwithc2pen2tanefoamingsystem,ini/c2pentanefoamingsystem,thetotalweightofacabinethasreduced7%,thefoamdensityhasdroppedby12%,thefoamdimensionstabilityanddensitydistributionarebetter,theconductivityfactorisabout21.8mW/(mK),whichisalittlehigher.Keywords:i/c2pentanefoaming;polyurethane;rigidfoam;refrigerator,1973,,1996,,,,,,,,,:120130kg/m3,0.7MPa,0.65MPa,1.5%,:11012,11012cm(72h11011cm),50kV,2.5kV/mm2,,,,,,PU,A45,220%,101kN/m,4%,24h,20%,70%,1/3,,(3mm),,MDI,,3610%,126%,85%6316