The fisheyes and gels in blowing-extruted polypropylene(PP) films were investigated by GPC, FTIR, TGA and viscosimetry. It is concluded that the decomposition and thermal degradation of specimen during processing are ...The fisheyes and gels in blowing-extruted polypropylene(PP) films were investigated by GPC, FTIR, TGA and viscosimetry. It is concluded that the decomposition and thermal degradation of specimen during processing are responsible for the fisheyes, while gels are those specimens with larger molecular weight than surroundings.展开更多
文摘The fisheyes and gels in blowing-extruted polypropylene(PP) films were investigated by GPC, FTIR, TGA and viscosimetry. It is concluded that the decomposition and thermal degradation of specimen during processing are responsible for the fisheyes, while gels are those specimens with larger molecular weight than surroundings.