)( D.1 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Blow Moulding Process & Barrier Containers Part 1.3 Basic Polyethylene Chemistry
)( D.2 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax n Nomenclature n Identification parameters for polyolefins n Effect of variation of above parameters on finished items n Additives n Testing/Standards Basic Polyethylene Chemistry
)( D.3 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax MonomerComonomer Thermoplastic Thermoset PolymerizationPolymer Homopolymer Elastomer CopolymerInitiator TerpolymerCatalyst PolyolefinsTelomer Vocabulary
)( D.4 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax E T H Y L E N E P R O P Y L E N E B U T E N E H E X E N E O C T E N E Monomers
)( D.5 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Initiator Catalyst Telomer Polymerization reaction
)( D.6 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Major features Molecular weight Density Molecular weight distribution Molecular structure Abbreviation MW D MWD MS
)( D.7 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Molecular weight high low
)( D.8 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Molecular Weight Toughness Tenacity
)( D.9 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Test conditions for PE: - T° = 190°C - load = kg - time = 10 minutes MI = g/10 min/190°C/load Scheme of Melt Flow Indexer
)( D.10 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Melt flow index HMW LMW Low melt flow index High melt flow index
)( D.11 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Flow and mouldability ESCR Resistance to rupture (impact, fall, traction) Gloss Heat resistance Influence of melt flow index MFI
)( D.12 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Density - Rigidity - Stiffness - Cristallinity
)( D.13 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Density
)( D.14 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Rigidity Resistance to rupture Heat resistance ESCR Influence of density D
)( D.15 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Molecular weight distribution “Oh, mamma mia!”
)( D.16 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Molecular weight distribution
)( D.17 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Processability - Transformation - Conversion Molecular weight distribution
)( D.18 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Influence of molecular weight distribution MWD is... Narrow Broad Tenacity Gloss Impact resistance Processability
)( D.19 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Molecular structure comparison PE-LD PE-LLD PE-HD METALLOCENE
)( D.20 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Viscosity Increase
)( D.21 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Viscosity MWD Molecular structure MW D
)( D.22 Assocomaplast - Centro Direzionale Milanofiori - Palazzo F/ Assago - Milan - Italy - tel fax Use of additives ADDITIVESABBREVIATIONS SLIP AGENT SLIP ANTIBLOCKING AGENT AB ANTIOXIDANT AO U.V. STABILISER UV COLOURING (PIGMENTS) -- ANTISTATIC -- ANTIFOG -- CARBON BLACK -- X-LINKING AGENT XL BLOWING AGENT -- CLING AGENT -- FLAME RETARDANT FR MOULD RELEASE AGENT -- PROCESSING AID -- BRIGHTENER --