A polymer showing syndiotactic features has:a) Monomers with all the same arrangementb) Monomers with alternating arrangementc) Monomers with random arrangementd) Monomers with simple arrangement A thermoset polymer has a highly branched structure with high molecular weight. Whatcharacteristic of polymers will this thermoset likely NOT have?a) Difficult to processb) High recyclabilityc) High strengthd) Low ductility

Different types of polymers on the basis of monomers arrangement are: Isotactic Syndiotactic Atatic

Answered: A polymer showing syndiotactic features…

A polymer showing syndiotactic features has: a) Monomers with all the same arrangement b) Monomers with alternating arrangement c) Monomers with random arrangement d) Monomers with simple arrangement

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: What are the steps to produce Plastic bottles of medical ?

Q: Melting temperature, elastic modulus and yield strength of Thermoplastic, Thermoset, Elastomer and…

A: The elastic modulus gauges a material's resistance to elastic, or "springy," deformation. When…

Q: A polymer is usually made from a O mixture of crystalline and amorphous structure. O crystalline…

A: polymers

Q: What monomers and polymers and give some examples of each

A: Monomers = It is a molecule of any of a class of compunds moslty organic that can react with other…

Q: Bakelite is an example of polymer. Select one: O Thermoset O Thermoplastic O Composite O Elastomers

A: The rigid type of plastic which is highly resistant to high temperature form the Bakelite.

Q: Which statement is correct regarding the structure of polymers? Oa. Degree of crystallinity and…

A: It is asked to provide correct state ment from the options

Q: Using the aid of a diagram, describe the behaviour stress vs strain of a brittle polymer. Give one…

A: Polymer is known for its inherent toughness and resistance to fracture .mechanical properties of…

Q: Which statement is correct regarding the structure of polymers? a. Increasing the degree of…

A: It is asked to provide correct state ment from the options

Q: Answer the following questions. i) Write down the important properties of polymers. : ii) What do…

A: (i) Important properties of the polymers. The non-conducting property. Polymers act as good…

Q: Ethylene, C2H4, and tetrafluoroethylene, C2F4, are used to make the polymers polyethylene and…

A: Objective: To determine the lewis structure of C2H4 and C2F4. Explain the deviation from an ideal…

Q: (iv) Thermoplastic polymers such as polyethylene can be melted relatively easily, because: a. they…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Consider a carbon fibre composite, made using an epoxy resin. The modulus of the fibres Efis 210…

A: Composite Materials - These materials have thee micro-structure designed in terms of their…

Q: The density of an unknown polymer is 1.875 g/cm³ with a % crystallinity of 50%. If the density when…

A: To find: The density of unknown polymer when totally crystalline and density when the crystallinity…

Q: Draw the structure of a molecule with formula C5H9N that contains functional groups characteristic…

A: The structure of C5H9N that contains characteristic of an Alkyne and amine is given below,

Q: A continuous and aligned fiber-reinforced composite is to be produced consisting of 33 vol% aramid…

A: “Since you have posted multiple questions with multiple sub parts,we will provide the solution only…

Q: An unknown polymer sample was found to have the following molecular weight distribution: Molecular…

A: The DOP tells us the number of monomer units in the given polymerization reaction.

Q: Factors that affect the rheological behavior of a polymeric material are (check all that apply)..?…

A: Solution: Given Data: Multiple choice question. To Find: Factors that affect the rheological…

Q: Calculate the modulus of rigidity (shear modulus) of an epoxy resin if the modulus of elasticity…

A: Given Young's Modulus, E = 3.5 GPa Poisson ratio = 0.35 Find Modulus of rigidity, G

Q: MARITIME COLLEGE OMAN Analyse the suitable primary chemical bond involved in the foll ilidan Bronze…

Q: We are given a sample of polypropylene with the following composition. What is the number average…

Q: Compute the expected properties of modulus of elasticity (Ec) of a composite made from S-glass…

Q: Using the ‘rule of mixtures’ calculate the modulus and strength, in the fiber direction and…

Q: sketch the generalized stress-strain curve for a semi-crystalline thermoplastic polymer.

A: Solution: The Generalized stress-strain curve with points labeled for a semi-crystalline…

Q: Why do crystalline polymers tend to have higher density than amorphous ones?

A: In crystalline polymers, polymer chains are closely and tightly packed in a regular manner unlike…

Q: A classification of plastic where the material can be liquified and allowed to harden over and over…

A: Thermoplastic: The thermoplastics have secondary bonds between their molecular chains. These…

Q: Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) are powerful tools for…

A: DISCLAIMER FOR MULTIPART FROM BARTLEBY:Since you have posted a question with multiple sub-parts, we…

Q: Calculate the percentage of crystallinity of the following polymer. Density crystallinity is 0.998,…

A: The percentage of crystallinity. Given: The density crystallinity is ρc=0.998 g/cm3. The density of…

Q: tive glass transition temperature and melting temperature. Group of answer choices

Q: EAC in metals causes cracks to form and grow. What other feature can form and grow in amorphous…

A: Engineering plastics, such as amorphous polymers have been developed intensively over the past…

Q: Calculate the mass of each product formed when 43.82 g of diborane (B₂H₆) reacts with excess…

Q: Problem 5 Compare thermoplastic and thermosetting polymers (a) on the basis of mechanical…

A: *Answered and explained already above.

Q: Draw stress-strain graphs for two polymers: one is stiffer than the other and exhibits a yield point…

Q: As the temperature of an amorphous polymer decreases from the liquid state, the polymer changes from…

A: Freezing point: The temperature at material in liquid state becomes solid on cooling it, is known…

Q: In comparison with a brittle polymer, a ductile polymer yields and then breaks at a higher stress…

A: The graphed stress and strain of a material or metal is represented by a stress-strain curve. In…

Q: [Materials Engineering] Bis-GMA composite resin has been widely used as the dental restorative…

A: The factor leading to the degradation of bio-material; 1: Molecular interaction between Human saliva…

Q: cis-1, 2-Dimethylcyclobutane is less stable than its trans isomer, but cis-1, 3-dimethylcyclobutane…

A: Given: cis-1, 2-Dimethylcyclobutane is less stable than its trans isomer, but cis-1,…

Q: c mechanism in semi-crystallin

A: The misshapening of polymers is only "the change the inside design of an atomic bonds". a}Elasticity…

Q: 4) A small, uniaxial stress of 1 MPa (145 psi) is applied to a rod of high density polyethylene. a)…

A: Given: Uniaxial stress is 1Mpa.

Q: A manufacturer plant to produce a new thermoplastic product. Select a suitable processing method…

A: Given:- Thermoplastic products To find:- Manufacturing method used for thermoplastic product

Q: which test(izod or charpy or fracture toughness) is better for doing impact test on thermset…

A: Impact tests are used to check the strength and the durability of the material under stress…

Q: Why do thermoplastic polymers start to turn white as they are plastically deformed?

Q: Determine whether the first part of statement will INCREASE, DECREASE or have NO EFFECT in the…

A: 1. If there is an increase in karat of gold, the strength will DECREASE. 2. If there is an increase…

Q: Using the table below, estimate the components of the matrices and develop the stiffness and…

A: Solution: Given Data: Material is E-glass/470-36 E-glass/vinylester To Find: (a) The stiffness…

Question

A polymer showing syndiotactic features has:
a) Monomers with all the same arrangement
b) Monomers with alternating arrangement
c) Monomers with random arrangement
d) Monomers with simple arrangement

A thermoset polymer has a highly branched structure with high molecular weight. What
characteristic of polymers will this thermoset likely NOT have?
a) Difficult to process
b) High recyclability
c) High strength
d) Low ductility

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Which of the following are incorrect regarding the crystallinity and mechanical behavior of polymers? a. As temperature is reduced, necking behavior of plastic tensile bars completely disappears b. Semi-crystalline polymers are heat treated to increase crystallinity and improve strength c. Heat treatment always results in enhanced polymer strength, modulus, and brittleness d. Strain softening happens in elastomers where the deformation gradually leads to a decrease in stiffness under constant strain rate e. Increasing the degree of crystallinity generally increases polymer strength, elastic modulus, and ductility in semi-crystalline polymers f. The stress-strain curve slope for totally elastic and brittle polymers is always positive
Which of the following are incorrect regarding the crystallinity and mechanical behavior of polymers? a. Strain softening happens in elastomers where the deformation gradually leads to a decrease in stiffness under constant strain rate b. As temperature is reduced, necking behavior of plastic tensile bars completely disappears C. The stress-strain curve slope for totally elastic and brittle polymers is always positive d. Heat treatment always results in enhanced polymer strength, modulus, and brittleness e. Semi-crystalline polymers are heat treated to increase crystallinity and improve strength f. Increasing the degree of crystallinity generally increases polymer strength, elastic modulus, and ductility in semi-crystalline polymers
(a) There are three main sub-groups of engineering polymers with distinct differences in their structures. Name these sub- groups; describe their structural differences and bonding mechanisms.
( B ) A stress of 6.7 MPa is employed to one type of a polymer under constant strain . After 40 days at 20 ° C the stress is reduced to only 8.4 MPa . When the same polymer is heated to 40 ° C the relaxation time is 40 days . 1- Calculate the relaxation time constant for this material at 25 ° C ? 2- Estimate the stress after 50 days at 25 ° C ? 3- Estimate the stress relaxation activation energy for the same polymer .
1 Which one below is true for thermoplastic polymers? * O They do not soften when heated and do not harden when cooled. O Most cross-linked polymers are thermoplastics. O None of them. O They are harder and stronger than thermosetting polymers.
Can someone assist me please? Thanks.
Q: What is the difference between addition polymerization and condensation polymerization? In addition...
State the critical difference in the processing behavior of thermoplastics vs. thermosets.
From the attached image. Annotate and explain the phases of the polymer stress-strain curve.
What polymer derived from acetylene gas is called polychloroprene (neoprene)?
Explain what the following terms mean:decomposition temperature, heat distortion temperature, glass-transition temperature, and melting temperature. Why is itthat thermoplastics do not have a fixedmelting or glass-transition temperature?
Calculate the modulus of rigidity (shear modulus) of an epoxy resin if the modulus of elasticity (Young's modulus) E = 3.5 GPa and the Poisson's ratio = 0.35. Select one: a. G = 2.6 GPa b. G = 10 GPa c. G = 3.15 GPa d. G= 0.1 GPa e. G = 1.3 GPa