Block Copolymers: Overview and Critical SurveyBlock Copolymers: Overview and Critical Survey is a critical review of block copolymer technology and a comprehensive critical survey on the synthesis, characterization, properties, and applications of the specific block copolymer structures reported in the literature. The copolymers are organized according to segmental architecture and chemical composition. Comprised of seven chapters, this book begins with an overview of what block copolymers are, how they are made, and what they can and cannot be expected to do. The next chapter defines block copolymers and compares them with other types of polymer "hybrids," that is, polymer blends, random copolymers, and graft copolymers. The various segmental architectures that are possible with block copolymers are then described, followed by a discussion on the various synthesis techniques applicable to block copolymers; the characterization methods capable of elucidating block copolymer structures; some applications of commercially available block copolymers; and some future challenges for block copolymer technology. The last three chapters are devoted to A-B diblock copolymers, A-B-A triblock copolymers, and (A-B)n multiblock copolymers. This monograph should be useful to readers who want to become generally conversant with block copolymer technology and to those who need to delve more deeply into the subject. |
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Page 16
... solvent . This ef- fect was first noted with two - phase copolymers of methyl methacrylate grafted onto natural rubber ( D22 ) . This behavior can be used to advan- tage in controlling properties such as modulus and permeability . The ...
... solvent . This ef- fect was first noted with two - phase copolymers of methyl methacrylate grafted onto natural rubber ( D22 ) . This behavior can be used to advan- tage in controlling properties such as modulus and permeability . The ...
Page 34
... solvent . On the other hand , polar solvents , such as ethers , result in the appearance of free ion species and hence greatly increased reaction rates . Another important role of the solvent in lithium - initiated systems is its effect ...
... solvent . On the other hand , polar solvents , such as ethers , result in the appearance of free ion species and hence greatly increased reaction rates . Another important role of the solvent in lithium - initiated systems is its effect ...
Page 38
... solvents can be used . A large number of anionically prepared block copolymers contain- ing heteroatom segments have been reported and are discussed in subsequent chapters of this book ( see Chapter 5 , Section D ; Chapter 6 , Section C ) ...
... solvents can be used . A large number of anionically prepared block copolymers contain- ing heteroatom segments have been reported and are discussed in subsequent chapters of this book ( see Chapter 5 , Section D ; Chapter 6 , Section C ) ...
Page 49
... solvents and to solvent- nonsolvent fractionation techniques such as fractional precipitation , column fractionation , and turbidometric titrations . These methods are simple and reasonably effective , particularly with systems ...
... solvents and to solvent- nonsolvent fractionation techniques such as fractional precipitation , column fractionation , and turbidometric titrations . These methods are simple and reasonably effective , particularly with systems ...
Page 50
... solvents . Therefore , the block copolymer residue remaining after such an extraction may not accurately reflect the true composition of the entire block copolymer actually synthesized . The extent of compositional fractionation that ...
... solvents . Therefore , the block copolymer residue remaining after such an extraction may not accurately reflect the true composition of the entire block copolymer actually synthesized . The extent of compositional fractionation that ...
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Common terms and phrases
A-B block A-B-A block copolymers a-methylstyrene adipate anionic behavior bisphenol blends Block and Graft block copolymer structures block copolymers block copolymers containing British Patent butadiene catalyst CHâ‚‚ Chapter Chem Chemical compositions copoly copolymerization cross-linked crystalline diisocyanate Dimethylsiloxane diol display domains elastomeric end groups ethylene oxide films French Patent German Offen graft copolymers homopolymers initiation Internationale Research Maatschappij isoprene Japanese Patent Macromolecules Makromol Matzner mechanical properties melting point methacrylate methyl modulus molecular weight monomer morphology Netherlands Patent Appl Noshay oligomers phase Phillips Petroleum Phillips Petroleum Co phosgenation Plast poly(ethylene oxide polyamide polybutadiene polycaprolactone polyester polyether Polym polymerization polypropylene polystyrene polysulfone polyurethanes prepared random copolymers reaction reported Research Maatschappij N.V. Rubber Scheme segments Shell Internationale Research siloxane Soedin solubility solution solvent styrene styrene-butadiene styrene-butadiene-styrene synthesis techniques temperature terephthalate Tetramethylene thermal tion two-phase U.S. Patent urethane viscosity Vysokomol