Addition Poly
Condensation Poly
Viscosity & Extrusion
Film Making/Coextrusion
Grab Bag
100
The most common initiator used in addition chain growth polymerization is this.
What is free radical?
100
If you melt PET with any of this present, it will degrade and lose molecular weight.
What is water?
100
This is the chamber in which the screw turns and the plastic flows.
What is the barrel?
100
This is the name of the extra thickness created on the edge of cast film.
What are edge beads?
100
This is the number of children in the von Trapp family in The Sound of Music.
What is seven?
200
Based on the monomer depicted below, we know it is this polymer.
What is polyvinylidene chloride?
200
Based on the monomer below, we know it is this polymer.
What is polyethylene terephthalate?
200
The feed throat is usually cooled to avoid premature sticking of the polymer known as this.
What is bridging?
200
This is type of coextrusion process combines melt streams just before die exit.
What is multi-manifold?
200
This is the year that Facebook launched.
What is 2004?
300
Based on the monomer below and the branching depicted in the 2nd image, we know this addition polymer is this.
What is low-density polyethylene?
300
This polyamide is formed using a ring-opening technique and was created to get around the Dow patent for a similar product.
What is Nylon 6?
300
This is what generates the heat within the extruder and melts the resin that is being conveyed through the system.
What is friction?
300
This material might be an inner layer for a coextrusion film because it typically is not allowable for direct contact with any food product.
What is recycled content?
300
This athlete has won the most Olympic medals.
Who is Michael Phelps?
400
This type of catalyst is used to create linear polyethylene (HDPE).
What is Zieglar-Natta?
400
These molecules have hydrocarbon backbones that contain amide linkages.
What are Polyamides?
400
This type of viscous behavior is observed by polymers as shear rate is increased.
What is pseudoplastic?
400
Of cast & blown films, this film is usually more crystalline and hazy.
What is blown film?
400
This country consumes the most chocolate per capita.
What is Switzerland?
500
This addition polymer is commonly used for caps because it has a high stress fracture resistance.
What is polypropylene?
500
These common condensation polymers are the combination of a carboxyl group and a hydroxyl group.
What are polyesters?
500
This is the area of the extruder where the majority of "melting" should occur.
What is the compression section?
500
This coextrusion technique is limited to materials that have similar flow characteristics.
What is feed block?
500
This is the most common eye color in humans.
What is brown?