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    • 10. 发明授权
    • Fume duct circumferential joint sealant
    • 通风管圆周接头密封胶
    • US5549949A
    • 1996-08-27
    • US415045
    • 1995-03-31
    • Douglas WilliamsJeff SheaMichael S. Cork
    • Douglas WilliamsJeff SheaMichael S. Cork
    • C09K3/10F16L21/02F16L47/00B32B1/08F16L9/127
    • C09K3/10F16L21/022F16L47/00C09K2200/0494C09K2200/0647Y10T428/139Y10T428/1393Y10T428/31511Y10T428/31515
    • Sealant compositions for sealing the circumferential joint between pairs of dual-laiminate fume duct sections, and a joint sealing method enabling strong bonding between the sealant and phenolic/glass and vinyl ester surfaces without sanding mating surfaces. A first preferred sealant consists of a resin including by weight: 20.0% Epon 862 novolac epoxy resin; 30.0% SU-2.5 Epon novolac epoxy resin; 20.0% Heloxy 48; 19.5% Epon 826 bisphenol A resin; 10.0% Heloxy 505; and 0.5% silane, and a hardener including: two cycloaliphatic amines, 94.0%; and an aromatic tertiary amine, 6.0%. A second preferred sealant consists of a resin including by weight: 39.5% aromatic epoxide resin; 40.0% Heloxy 48; 20.0% SU-2.5 Epon novolac epoxy resin; and 0.5% silane, and a hardener including: two cycloaliphatic amines, 94.0%; an aromatic tertiary amine, 5.5%; and an amino silane, 0.5%.
    • 用于密封成对的双重烟气管道部分之间的圆周接头的密封剂组合物,以及能够在密封剂和酚醛/玻璃和乙烯基酯表面之间实现强力结合的接头密封方法,而不需要研磨配合表面。 第一优选的密封剂由包含重量的树脂组成:20.0%Epon 862酚醛环氧树脂; 30.0%SU-2.5 Epon酚醛清漆环氧树脂; 20.0%Heloxy 48; 19.5%Epon 826双酚A树脂; 10.0%Heloxy 505; 和0.5%硅烷,和硬化剂,包括:两种脂环族胺,94.0%; 和芳族叔胺,6.0%。 第二优选密封剂由包含重量百分数:39.5%芳族环氧树脂的树脂组成; 40.0%Heloxy 48; 20.0%SU-2.5 Epon酚醛清漆环氧树脂; 和0.5%硅烷,和硬化剂,包括:两种脂环族胺,94.0%; 芳族叔胺,5.5%; 和氨基硅烷,0.5%。