Delrin (polyoxymethylene) is a tough self-lubricating polymer used in gear wheels. It is made by polymerizing formaldehyde in the presence of an acidcatalyst. Is Delrin a chain-growth polymer or a step-growth polymer?

Q: Poly(vinyl alcohol), a hydrophilic polymer used in aqueous adhesives, is made by polymerizing vinyl…

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Q: Draw a stepwise mechanism for the polymerization of isoprene to guttapercha using (CH3)3CO–OC(CH3)3…

A: (CH3)3CO – OC(CH3)3 is basically used to initiate the free radical mechanism reaction as it converts…

Q: The anionic polymerization of ε-caprolactam. Even if the reaction rate between caprolactam is slow,…

A: A question based on polymer chemistry, which is to be accomplished.

Q: Which monomer gives a greater yield of polymer, 5-hydroxypentanoic acid or 6-hydroxyhexanoic acid?…

A: Since we have a hydroxy group and carboxylic acid group present in the monomers. Hence there are two…

Q: The molecular weight of polymer when styrene is polymerized in benzene is 400,000. With all other…

A: We are given the molecular weight of polymer is =400000 Addition of 4.23 mg/l of methyl mercaptan…

Q: Describe by showing the chemical reactions how you would prepare linear poly(methacrylate) with a…

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Q: Urylon fibers are used in premium fishing nets because the polymer is relatively stable to UV light…

A: SOLUTION: Step 1: Urylon is a condensation polymer. The functional group present is polyurea. Urylon…

Q: 1. Polyacetylene is one of the first 'conjugated' polymers that was prepared. In this case, the…

A: " Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Why does methyl methacrylate not undergo cationic polymerization?

A: In cationic polymerization the initiator is an electrophile that adds to the alkene monomer causing…

Q: 3. What monomer(s) are needed to synthesize each polymer? a. d. honga Stre b. е. F CIF CIF CI С.…

A: A polymer can be a natural or synthetic compound which is comprised of many small molecules. A…

Q: 2. 1-Methylstyrene (right) polymerizes under both cationic and anionic conditions a. Briefly…

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Q: (a) Which of the following polymers (i) – (vi) exist in different stereochemical forms? Draw polymer…

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Q: #9: Which polymer would you expect to be more rigid at room temperature: isotactic-polypropylene…

A: Addition polymerization takes place when monomers join together to form a chain without forming of…

Q: A3 Anionic polymerization of styrene is generally known to produce polymers with a narrow molecular…

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Q: 2. Draw the mechanism of free radical polymerization that produces tetramer of polyvinyl chlo- ride.…

A: Polymerization of polyvinyl chloride:   As per our guideline we have to answer first question only.

Q: The molecular weight of polymer when styrene is polymerized in benzene is 400,000. With all other…

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Q: Melmac, a thermosetting polymer formed from melamine and formaldehyde (CH2 = O), is used to make…

A: The mechanism of given reaction involves five steps. The first step is nucleophilic attack of NH3 on…

Q: Poly(n-butyl acrylate) has a lower Tg than poly(methyl methacrylate), because of: a) weaker…

A: Poly(n-butyl acrylate) and poly(methyl methacrylate) have the following structures:

Q: Bakelite, a durable plastic used for the casing of early radios and TVs, was the first of the…

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Q: Which reaction—dehydration synthesis or hydrolysis—converts a polymer to its monomers? Which one…

A: During polymerisation reaction, i.e. converting a monomer into polymer We have to remove H2O…

Q: Polycarbophil is a dietary fiber supplement. It is the calcium salt of a copolymer of acrylic acid…

A: Polycarbophil is a dietary fiber supplement. It is the calcium salt of a copolymer of acrylic acid…

Q: Melmac, a thermosetting polymer formed from melamine and formaldehyde (CH2=O), is used to make…

A: The mechanism of given reaction involves five steps. The first step is nucleophilic attack of NH2 on…

Q: Draw a stepwise mechanism for the polymerization of isoprene to gutta-percha using (CH3)CO –…

A: Please find below the reaction:

Q: Which of the following compound used in Ziegler- Natta catalysts to develop a stereospecific…

A: The Ziegler-Natta catalyst is used for the polymerization of beneficial and the versatile reaction…

Q: Choose the best suiting monomers from the following pairs of chemicals to synthesize a polymer…

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Q: What will be the most suitable initiator used to polymerize the following monomers? Give ONE (1)…

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Q: 24. The cationic chain-growth, addition polymerization of a large excess of isobutylene (below)…

A: Topic--Cataionic Polymerization of the alkene (isobutene)

Q: A particularly strong and rigid polyester used for electronic parts is marketed under the trade name…

A: The more is the cross linkage in the molecule, the more is the rigidity of the molecule. And since…

Q: Tritan is a polymer marketed to consumers looking for BPA-free products. Although the detailed…

A: Tritan is a polymer marketed to consumers looking for BPA-free products. Although the detailed…

Q: Find the Molecular Weight (Polyhexylthiophene) untainted CH2(CH2).CH3 s, And polyhexylthiophene 25%…

A: In a polymerization reaction, monomers that are same or different combine to form  larger molecule.…

Q: Paraformaldehyde is a polymer of    A. acetone   B. paraform    C. formaldehyde    D.…

A:

Q: Delrin (polyoxymethylene) is a tough self-lubricating polymer used in gear wheels. It is made by…

A: a.

Q: Melmac, a thermosetting polymer formed from melamine and formaldehyde (CH2 = O), is used to make…

A:

Q: Q1. (a) In each of the following cases (I. to III.) identify which polymer in each pair has the…

A: a) pair 1- polymer 2 has higher Tg. Reason- because the presence of aromatic, cyclic structure in…

Q: you react pentaeryhtritol with 4 equivalents of 2-bromo-2-methylpropionic acid bromide and now use…

A: given below.

Q: The polymer shown below is synthesized by hydroxide ion-promoted hydrolysis of a copolymer of…

A: a). Mechanism for the formation of polymer: The polymer can be formed through anionic mechanism.…

Q: Q) The monomer 1 can be polymerised via ring opening metathesis polymerisation. The resulting…

A: The given compound ‘1’ is cyclootatetraene (COT). It undergoes ring opening metathesis…

Q: Why does Poly (DL-lactic acid) degrade more rapidly than Poly (L-lactic acid)?

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Q: The hydrophilic part in the internal antistatic agents takes care of controlled migration in the…

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Q: Terephthaloyl dichloride and p-phenylenediamine were polymerized to form a copolymer called Kevlar…

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Q: Acrylonitrile polymerized with DMF at 25C, with fecl3.h2o as catalyst and PPh3 as initiator…

A: polymerization is conform to first-order with respect to the monomer concentration and…

Q: Devise a synthesis of terephthalic acid and ethylene glycol, the twomonomers needed for polyethylene…

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Q: Polybenzimidazoles are made by a two-stage step-growth melt polymerization: NH2 -H20 -$ OH NH2 x…

A: Given reaction:

Types of Polymers on the basis of Method of Preparation