Polymers Fundamentals
What is a plasticizer?
The inventor of Polyester Resins?
Who is Wallace Carothers.
Azo and Peroxides
What are the two important classes of initiators?
US and Switzerland
What are the two countries which independently invented epoxy resins?
What can you do if you can dodge a wrench?
What is make any urethane.
Two methods to determine Polymer Tg?
What are DSC and DMA?
Benzoquinone
One of the melamine resin monomers
This type of polymer cannot be remelted
What is a thermoset polymer?
An alkyd resin containing greater than 55% of is classified as?
What is a long oil alkyd.
Compounds that prevent monomer polymerization during storage
What are inhibitors?
Carbamation
What is the name of the reaction of amines in cold wet environments?
Discovered polyurethanes
Who is Otto Bayer
Two types of initiators commonly used in Emulsion polymerization.
What are thermal and redox initiators?
Organic sulfonic acids
What is the primary type of catalyst for melamine paints?
Molecular weight grows exponentially for this type of polymerization
What is Condensation Polymerization or Step-Growth Polymerization?
Name a commonly used bio-based monomer for esterification reactions?
What is succinic acid, glycerin, Isosorbide, Lactide, or propylene glycol.
A competing non-propagating free radical reaction.
What is chain transfer?
Stoichiometric
What is the calculation which describes the relationship between epoxy and amine functionality?
The reaction of an isocyanate with an amine
What is a urea
A mixture of two liquids that are normally immiscible.
What is an emulsion?
Alcohols
What is the principle byproduct of the melamine curing?
One a-hole
What is the number of people it takes to ruin a party?
What is the minimum Tg required for a powder polyester resin to avoid packaging sintering?
What is 50-55 C.
An equation to estimate copolymer Tg based on component weight fraction and homopolymer Tgs.
What is the Fox equation.
DGEBA
What is the abbreviation for BOA based epoxy resins?
The ability of aromatics to increase reactivity of isocyanates
What is stabilize resonance or the cation
Amount of North American annual internal latex production capabilities.
What is 700 Million pounds?
Formaldehyde
What is the principle chemical of concern with melamine chemistry?
Weight Fraction
What is the portion / percentage of a sample's weight attributed to a specific molar mass?
What is the term used to describe internal catalysis of an ester hydrolysis reaction caused by 1,2 substituted di-carboxylic acids.
What is the anchimeric effect.
The two major free radical chain termination reactions.
What are combination and disproportionation.
Rocker arm and Autoclave
What are 2 tests that simulate gas production with 3 different phases (gas, oil and water)?
Unstable intermediate formed when isocyanate reacts with water
What is carbamic acid?
Polymer growth in Emulsion polymerization occurs here.
What is within the growing particles?
35%