The invention pertains to an apparatus for premixing additives and feeding them into a polymer melt stream. The apparatus has a conducting element 2, first and a second intermediate element 4a and 4b, and a pump assembly 6, wherein the polymer melt stream is guided through channels 8 and 10 of the conducting...http://www.google.es/patents/US6601987?utm_source=gb-gplus-sharePatente US6601987 - Apparatus for premixing additives and feeding them into a polymer stream
Apparatus for premixing additives and feeding them into a polymer stream