The invention relates to a method of grafting unsaturated carboxylic acid derivatives onto thermoplastic polymers, which comprises heating a mixture of thermoplastic polymer, unsaturated carboxylic acid or carboxylic acid derivative and a hydroxy-lamine ester having at least one structural unit of formula (I) or (I′) wherein X is hydrogen, C
1
-C
36
alkyl, C
2
-C
36
alkenyl, C
2
-C
18
alkynyl, C
6
-C
10
aryl, —O—C
1
-C
18
alkyl —O—C
6
-C
10
aryl —NH—C
1
-C
18
alkyl, —NH—C
6
-C
10
aryl, —N(C
1
-C
6
alkyl)
2
; X′ is a direct bond or C
1
-C
36
alkylene, C
2
-C
36
alkenylene, C
2
-C
36
alkynylene, —(C
1
-C
6
alkylene)-phenyl-(C
1
-C
6
alkylene) or a group in a processing apparatus for thermoplastic polymers, to above the softening point/melting point of the thermoplastic polymer and allowing the components of the mixture to react with one another.
本发明涉及一种将不饱和
羧酸衍
生物接枝到热塑性聚合物上的方法,该方法包括加热热塑性聚合物、不饱和
羧酸或
羧酸衍
生物和羟基胺酯的混合物,羟基胺酯至少具有一个式 (I) 或 (I′) 的结构单元,其中 X 是氢、C
1
-C
36
烷基、C
2
-C
36
烯基,C
2
-C
18
炔基,C
6
-C
10
芳基,-O-C
1
-C
18
烷基 -O-C
6
-C
10
芳基 -NH-C
1
-C
18
烷基、-NH-C
6
-C
10
芳基,-N(C
1
-C
6
烷基)
2
X′ 是直接键或 C
1
-C
36
烯,C
2
-C
36
烯烃,C
2
-C
36
炔烯,-(C
1
-C
6
烯)-苯基-(C
1
-C
6
烯)或热塑性聚合物加工设备中的一个基团,使其高于热塑性聚合物的软化点/熔点,并使混合物中的各组分相互反应。