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Questions and Answers
What is the characteristic of elastomeric materials at a molecular level?
What is the characteristic of elastomeric materials at a molecular level?
- They have no interaction among molecules
- They have strong interaction among molecules
- They have small molecules with strong interaction among them
- They have large molecules with weak interaction among them (correct)
What is the difference between elastomeric materials and hydrocolloid gels?
What is the difference between elastomeric materials and hydrocolloid gels?
- Elastomeric materials are thermoplastic, while hydrocolloid gels are thermoset
- Elastomeric materials are hydrophilic, while hydrocolloid gels are hydrophobic
- Elastomeric materials are thermoset, while hydrocolloid gels are thermoplastic
- Elastomeric materials are hydrophobic, while hydrocolloid gels are hydrophilic (correct)
What is the classification of RIMs based on their properties?
What is the classification of RIMs based on their properties?
- Thermoplastic - Elastic IM
- Thermoplastic - Rigid IM
- Thermoset - Elastic IM (correct)
- Thermoset - Rigid IM
What is the method of dispensing for silicone type of RIM?
What is the method of dispensing for silicone type of RIM?
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Which of the following is NOT a use of RIMs?
Which of the following is NOT a use of RIMs?
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What is the reaction mechanism for the polymerization/cross-linking of RIMs?
What is the reaction mechanism for the polymerization/cross-linking of RIMs?
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