Abstract:

The influence of six different screw configurations on the phase morphology and performance of PP/PA6 blends in a co-rotating twin screw extruder was studied. Setting tension-type elements in the melting section, the blends exhibited good tensile and impact strengths, but fair flexural strength and melt flowability. Setting shear-type elements in the melting section and FTX elements in the melt conveying section, the blends gave rise to the best processing properties.

Key words: FONT-FAMILY: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">co-rotating twin screw extruderCOLOR: black, FONT-FAMILY: 宋体, mso-ascii-font-family: Arial, mso-bidi-font-family: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA">, COLOR: black, FONT-FAMILY: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">polypropyleneCOLOR: black, FONT-FAMILY: 宋体, mso-ascii-font-family: Arial, mso-bidi-font-family: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA">, COLOR: black, FONT-FAMILY: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">polyamide 6COLOR: black, FONT-FAMILY: 宋体, mso-ascii-font-family: Arial, mso-bidi-font-family: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA">, COLOR: black, FONT-FAMILY: Arial, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">screw configuration