发明名称 Mineral fibre prepreg with long storage life, useful for filling vehicle silencer
摘要 A mineral fibre product is treated with an aqueous solution of a curable, methanol-etherified melamine-formaldehyde precondensate (I) as uncured semifinished product with long storage life. (I) is 60-90% etherified and is a reaction product of 1 mole melamine with at least 5 moles formaldehyde and at least 3 moles methanol.
申请公布号 DE19540660(A1) 申请公布日期 1997.05.07
申请号 DE1995140660 申请日期 1995.10.31
申请人 GRUENZWEIG + HARTMANN AG, 67059 LUDWIGSHAFEN, DE 发明人 HOLSTEIN, WOLFGANG, 35315 HOMBERG, DE;AMANNT, GERALD, 69259 WILHELMSFELD, DE;MUTH, ANDREAS, 68239 MANNHEIM, DE
分类号 C03C25/34;C04B26/12;F01N1/24;F01N13/16;(IPC1-7):C03C25/02;C04B14/46;F01N1/04 主分类号 C03C25/34
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