申请人:——
公开号:US20040237841A1
公开(公告)日:2004-12-02
Nonaqueous compositions formulated for spray application to a substrate wherein the composition contains a foam-reducing quantity of at least one base-catalyzed reaction product comprising the following reactants:
A) at least one compound of formula I
R
1
(X)
3
(I)
wherein each X group is a halogen atom or one X group is a halogen atom and two X groups represent an epoxy oxygen atom, which is attached to two adjacent carbon atoms in the R
1
group to form an epoxy group, and R
1
is an alkanetriyl group containing from 3 to 10 carbon atoms; and
B) at least one compound having the formula II
R
2
X(AO)
n
Y (II)
wherein R
2
is a substituted or unsubstituted, saturated or unsaturated, organic group having from 1 to 36 carbon atoms; X is —O—, —S—, or —NR
3
— where R
3
is hydrogen or a C
1
-C
18
alkyl group; each AO group is independently an ethyleneoxy, 1,2-propyleneoxy, or 1,2-butyleneoxy group, n is a number of from 0 to 200; and Y is hydrogen, or Y can be a mercapto group or an amino group or a C
1
-C
6
alkylamino group in place of a terminal —OH group, provided that when Y is mercapto or an amino group or a C
1
-C
6
alkylamino group, n is at least 1;
wherein the mole ratio of the linking compound A) to B) is from 0.1:1 to 5:1; and methods for their application.
非水性配方用于喷涂基质,其中该配方包含至少一种碱催化反应产物,其含有减少泡沫的数量,该反应产物包括以下反应物:A)至少一种式IR1(X)3(I)的化合物,其中每个X基团是卤素原子,或者一个X基团是卤素原子,而两个X基团代表一个环氧氧原子,该环氧氧原子连接到R1基团中的两个相邻碳原子上形成环氧基,R1是一个含有3至10个碳原子的烷基基团;和B)至少一种具有式II R2X(AO)nY的化合物,其中R2是具有1至36个碳原子的取代或未取代的饱和或不饱和有机基团;X是—O—,—S—或—NR3—,其中R3是氢或C1-C18烷基基团;每个AO基团独立地是乙烯氧基、1,2-丙烯氧基或1,2-丁烯氧基基团,n是从0到200的数字;Y是氢,或者Y可以是巯基或氨基或C1-C6烷基氨基基团,代替一个末端的—OH基团,但是当Y是巯基或氨基或C1-C6烷基氨基基团时,n至少为1;其中连接化合物A)到B)的摩尔比为0.1:1至5:1;以及它们的应用方法。