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    • 7. 发明申请
    • AQUEOUS UREA-MODIFIED BINDER FOR MINERAL FIBRES
    • 用于矿物纤维的水性尿素改性粘合剂
    • WO2008023032A1
    • 2008-02-28
    • PCT/EP2007/058721
    • 2007-08-22
    • ROCKWOOL INTERNATIONAL A/SNISSEN, Povl
    • NISSEN, Povl
    • C03C25/32C08J5/08C08L77/12D04H1/64
    • C03C25/26C03C25/328C08G69/44C08J5/24C08J2377/12C09J177/12D04H1/4209D04H1/587D04H1/64
    • An aqueous binder composition for mineral fibres comprises: a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride in proportions such that the ratio of equivalents of amine groups plus hydroxy groups (NH+OH), excluding urea, to equivalents of carboxy groups (COOH) in the binder component is within the range of from about 0.6 to about 1.5 and, optionally, treating the reaction product with a base; and urea in an amount of from about 1 to about 25 wt %, based on solids of the binder composition; the alkanolamine, carboxylic anhydride and urea reactants being employed in proportions such that the ratio of total equivalents of amine groups plus hydroxy groups (NH+OH), including urea, to equivalents of carboxy groups (COOH) in the binder composition is between and includes the following lower limit x and upper limit y: Formulae (I) and (II).
    • 用于矿物纤维的水性粘合剂组合物包括:通过使至少一种链烷醇胺与至少一种羧酸酐反应得到的水溶性粘合剂组分,其比例使得胺基加等价羟基(NH + OH)(不包括尿素) 相对于粘合剂组分中的羧基(COOH)的当量在约0.6至约1.5的范围内,并且任选地,用碱处理反应产物; 和基于固体组合物的约1至约25重量%的量的尿素; 链烷醇胺,羧酸酐和脲反应物的使用比例使得胺基加羟基(NH + OH)(包括脲)的总当量与粘合剂组合物中的羧基当量(COOH)的比率在和包括 以下下限x和上限y:式(I)和(II)。