Abstract The CO2 core-making process using the hydrolyzate waste of polyacrylon-itrile fiber as a binder and the powder hardener to improve strength and anti-hygroscopic property was studied.

• 研究了用腈纶废丝制取CO_2砂用的粘结剂工艺及能提高硬化强度和抗湿性的复合粉状固化剂。