6533b82cfe1ef96bd128f409

RESEARCH PRODUCT

On the packing–holding flow in the injection molding of thermoplastic polymers

Giuseppe TitomanlioG. LevatiStefano Piccarolo

subject

Materials sciencePolymers and PlasticsFlow (psychology)General ChemistryMolding (process)medicine.disease_causeSurfaces Coatings and FilmsVolumetric flow ratelaw.inventionlawMoldMaterials ChemistrymedicineComposite materialCrystallizationThermoplastic polymerHolding time

description

Injection molding tests were performed on a Ny66 resin. Data of mass entering the mold during the packing–holding stage as a function of filling flow rate and holding time are presented. The experimental results are discussed on the basis of a simple model of the packing–holding stage. Only a small part of density increase due to crystallization seams to be compensated by the packing–holding extra flow.

yearjournalcountryeditionlanguage
1988-05-05Journal of Applied Polymer Science
https://doi.org/10.1002/app.1988.070350607