Polymer Materials Resins & Compounds
|
Polymer materials are made up of “many” (poly) repeating “units”(mers). Polymers are mostly based in carbon, oxygen, and hydrogen. Some have Si, F, Cl, S Polymers are considered a bowl of spaghetti or a bag of worms in constant motion. Polymer Materials Polymers are classified broadly as thermoplastic: form after heat. Over and over again. thermoset: set after heat. Only sets once. Can’t reform Thermoplastics crystalline: polymers arranged in a regular order amorphous: polymers arranges randomly like coil Thermosets low molecular weight monomers that crosslink and polymerize to for polymer network Elastomers Can be either thermoplastic and thermoset Thermoset elastomers: natural and synthetic rubbers Thermoplastic elastomers: plastics that mimic rubber (EPDM, TPO, TPE)
|
Thermoplastics
Polyolefins
Polyethylene PE
HDPE LDPE CPE MDPE
Polystyrene PS
HIPS High Impact
MIPS Medium Impact
EPS Expanded
GPPS General Purpose
Polypropylene PP
BOPP Biaxially Oriented
IPP Inflation
CPP Cast
IPP Isotactic
Polycarbonate PC
Polyvinylchloride PVC
Polymethylmethacrylate (Acrylic)
Polytetrafluoroethylene PET
Nylon (Polyamide) PASA
Polyoxymethylene (Acetal) POM
Butadiene Styrene BS
ABS Acrylonitrile
PBS Polymethacrylate
SBS Styrene
Thermoplastic elastomers
Polyurethanes PUR
Styrene copolymers
Olefinics
Elastomeric alloys
Thermosets
Silicone SI
Phenol formaldehyde PF
Urea formaldehyde UF
Unsaturated Polyester UP