申请人:Heckroth Heike
公开号:US20140065091A1
公开(公告)日:2014-03-06
The present invention relates to a polyurea system comprising as component A) isocyanate-functional prepolymers obtainable by reaction of aliphatic isocyanates A1) with polyols A2), which in particular can have a number-average molecular weight of ≧400 g/mol and a mean OH functionality of from 2 to 6, as component B) an amino-functional compound of the general formula (I) in which X is an organic radical containing a secondary amino function, Y is an organic radical that contains a tertiary amino group and does not contain Zerewitinoff-active hydrogen, R
1
is a CH
2
—COOR
3
radical in which R
3
is an organic radical that does not contain Zerewitinoff-active hydrogen, a linear or branched C1- to C4-alkyl radical, a cyclopentyl radical, a cyclohexyl radical or H, R
2
is an organic radical that does not contain Zerewitinoff-active hydrogen, a is 1 or 2, b is 1 or 2, and a+b=2 or 3, for stemming the escape of blood, and to a metering system for the polyurea system according to the invention.
本发明涉及一种聚脲系统,其中包括组分A)与脂肪族异氰酸酯A1)和聚醚醇A2)反应得到的含有异氰酸基的预聚物,特别是聚醚醇的数均分子量≧400 g/mol,平均羟基官能团从2到6;组分B)为一般式(I)中含有二级氨基的有机基团X,含有三级氨基团且不含Zerewitinoff活性氢的有机基团Y,R1为CH2—COOR3基团,其中R3为不含Zerewitinoff活性氢的有机基团、线性或支链C1-C4烷基基团、环戊基、环己基或H,R2为不含Zerewitinoff活性氢的有机基团,a为1或2,b为1或2,且a+b=2或3,用于止血,以及本发明的聚脲系统的计量系统。