A reactive emulsifier comprising a compound of formula (I), which makes polymerization stability satisfactory and is capable of improving the water resistance etc. of the polymer film to be obtained.
In the formula (I), D represents a polymerizable unsaturated group represented by the chemical formula D-1 or D-2; m1 represents a number of 1 or larger; R
1
represents an alkyl group having 1 to 12 carbon atoms; m2 represents a number of 0 to 4; and the sum of m1 and m2 is 1 to 5. R
2
represents a hydrocarbon group having 6 to 30 carbon atoms; A represents either an alkylene group or a substituted alkylene group which has 2 to 4 carbon atoms; and n is in the range of 0 to 1,000. X represents a hydrogen atom or an anionic hydrophilic group which is —(CH
2
)
a
—SO
3
M etc.
R
3
represents a hydrogen atom or methyl.
一种反应性
乳化剂,包括
化学式(I)的化合物,能够使聚合稳定性满意,并能够改善所得到的
聚合物薄膜的耐
水性等。在
化学式(I)中,D代表
化学式D-1或D-2表示的可聚合不饱和基团;m1表示1或更大的数字;R1表示有1到12个
碳原子的烷基基团;m2表示0到4的数字;m1和m2的和为1到5。R2表示有6到30个
碳原子的烃基团;A表示具有2到4个
碳原子的烷基或取代烷基;n在0到1,000的范围内。X代表
氢原子或离子型亲
水基团,例如—(
CH2)a—SO3M等。R3代表
氢原子或
甲基。