The polymer obtained on treatment of cardinol with formaldehyde in the presence of proton source is to be predicted. Concept introduction: In step-growth polymerization , the monomers with different functional groups combine together to form the polymer with the loss of small molecule such as water. For example polyamides, polyesters, polyurethanes, polycarbonates and epoxy resins.

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 28.8, Problem 21P

Interpretation Introduction

Interpretation: The polymer obtained on treatment of cardinol with formaldehyde in the presence of proton source is to be predicted.

Concept introduction: In step-growth polymerization, the monomers with different functional groups combine together to form the polymer with the loss of small molecule such as water. For example polyamides, polyesters, polyurethanes, polycarbonates and epoxy resins.

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Thermosetting resins similar to Bakelite have also been prepared from renewable feedstocks. One method uses cardinol, the major constituent of the liquid obtained from roasted cashew nutshells. What polymer is obtained when cardinol is treated with formaldehyde (H2C=O) in the presence of a proton source?

In addition to their use in water treatment, ion-exchange resins are used to extract Au, Ag, and Pt ions from solution. Oneof the most common resins consists of a polymer with abenzene-containing backbone to which sulfonic acid groups(–SO₃H) are then added. (a) What monomer can be used toprepare the polymer backbone? (b) This polymer typically con-tains 4–16% crosslinking. Draw the structure of the benzene-containing monomer used to crosslink the polymer.

One common type of cation exchange resin is prepared by polymerization of a mixture containing styrene and 1,4-divinylbenzene . The polymer is then treated with concentrated sulfuric acid to sulfonate a majority of the aromatic rings in the polymer. Q.) Explain how this sulfonated polymer can act as a cation exchange resin

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 28.8, Problem 21P

Interpretation Introduction

Interpretation: The polymer obtained on treatment of cardinol with formaldehyde in the presence of proton source is to be predicted.

Concept introduction: In step-growth polymerization, the monomers with different functional groups combine together to form the polymer with the loss of small molecule such as water. For example polyamides, polyesters, polyurethanes, polycarbonates and epoxy resins.

Expert Solution & Answer

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Answer 3

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 28.8, Problem 21P

Interpretation Introduction

Interpretation: The polymer obtained on treatment of cardinol with formaldehyde in the presence of proton source is to be predicted.

Concept introduction: In step-growth polymerization, the monomers with different functional groups combine together to form the polymer with the loss of small molecule such as water. For example polyamides, polyesters, polyurethanes, polycarbonates and epoxy resins.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

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Answer 4

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 28.8, Problem 21P

Interpretation Introduction