roller covering apparatus

Polyurethane elastomers used for packing rolls were synthesized from PTMG, toluene diisocyanate,methylene bis-ortho-chloroaniline(MOCA).

根据包装胶辊的使用要求选择合适的聚氨酯原材料 ,考察了合成预聚体中游离NCO含量、后硫化条件、粘合工艺对材料物理机械性能的影