The graft copolymer is characterized by infrared spectrum.The adhesivity of potato starch acrylic grafted size on cotton yarn or cotton & polyester blended yarn is studied by using roving method.

• 对接枝共聚物用红外光谱进行了表征,采用粗纱法研究了土豆淀粉丙烯酸接枝浆料对棉与涤棉混纺纱的粘着性能。