H2N- NH2 HO -OH epichlorohydrim (excess) 1,4-dihydroxybenzene

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

A:

Q: 2. A solid sample of one of the following polymers (PETE, PP, PVDC and PTFE) was found to be…

A: A solid sample of one of the following polymers (PETE, PP, PVDC and PTFE) was found to be insoluble…

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: Synthesize attached compound from benzonitrile (C6H5CN) as the onlyorganic starting material; that…

A:

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…

A:

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: FACULTY OF ENG Nylons are environment) and lose their strength in vve when implanted (not good in…

A: a) Nylons are non-absorbable and lose their strength in vivo when implanted.  b) Degradation rate…

Q: In the following reaction. What is the purpose of the hexanes in the reaction? - NH2 H2N NH2 NaOH,…

A: Hexanes, NaOH and H2O are used for the synthesis of nylon-6,6.

Q: Methyl acrylate and methyl methacrylate react with radical initiators (R•) as shown here. The…

A: The tendency of methyl acrylate (A) and methyl methacrylate (C) to react with radicals differ. Upon…

Q: Write polymerization reaction scheme for Polymerization of styrene with benzoyl peroxide as…

A:

Q: When styrene (vinylbenzene) is commercially polymerized, about 1–3% of 1,4-divinylbenzene is often…

A:

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

A:

Q: Predict the order of reactivity (and justify your prediction) of the given monomers. Styrene,…

A: As per the guideline, since you have asked multiple questions, we have solved the first question…

Q: Two samples of polystyrene, samples A and B, were synthesised. A from the addition of n- butyl…

A: Introduction: Polymers: Polymers are the large molecules made up of repeating units. The physical…

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: Explain with more details, how you can prepare poly(ethylene oxide) by using Anionic and Cationic…

A:

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

A:

Q: Calculate the acid number of a polyester with the molecular weight of its repeating unit of 120…

A: Acid number (AN) of the polymer describes the number of free acid that can be neutralized by the…

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…

A:

Q: Caprolactam, the monomer from which nylon 6 is synthesized, is prepared from cyclo- hexanone in two…

A: Given reaction,

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: A chemist carried out two polymerization reactions. One flask contained a monomer that polymerizes…

A: The question tells that a chemist carried out two polymerzation reactions. One reaction contained a…

Q: For end-group analysis, 0.8632 g of a carboxyl terminated polybutadiene (CTPB) sample dissolved in…

A: The amount of potassium hydroxide, KOH, used in the titration is; mKOH=VKOH×Eq.wtKOH×NKOH1000 mL…

Q: Give a single benefit for each polymerisation from carrying them out under a nitrogen atmosphere?…

A: Introduction: The polydispersity index (PDI) is dependent on the two parameters, i.e (I) number…

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

A:

Q: Draw a chemical reaction scheme for the benzoyl peroxide-initiated polymerization of vinyl chloride…

A: Reaction of polymerisation of vinyl chloride proceeds via free radical mechanical where benzoyl…

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

A: 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 production of vinyl polymers using bulk methods

A:

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: Give at least two methods for the preparation of 2-methylpropene. What happens if it is treated…

A: There are various methods of preparation of 2-methylpropene. 2-methyl propene is very reactive…

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

A:

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

A: Given reaction:

Q: a. What alkene monomer is required to form this polymer? b. Give the stepwise mechanism for the…

A:

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

A: Whether Delrin is a chain-growth polymer or step-growth polymer has to be given.

Q: Answer the following:- (a) Write the monomers involved in the preparation of epoxy resins.

A: Monomer involved in epoxy resins synthesis is BISPHENOL-A AND EPICHLOROHYDRIN.

Types of Polymers on the basis of Method of Preparation