Block Copolymers: Overview and Critical Survey |
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Page 61
Overview and Critical Survey Allen Noshay, James E. McGrath. MODULUS COPOLYMERI B MODULUS TOA Tg A / B TEMPERATURE ( a ) T92 ты TEMPERATURE ( b ) Fig . 4-3 . ( a ) Modulus - temperature behavior of a typical amorphous random copolymer ...
Overview and Critical Survey Allen Noshay, James E. McGrath. MODULUS COPOLYMERI B MODULUS TOA Tg A / B TEMPERATURE ( a ) T92 ты TEMPERATURE ( b ) Fig . 4-3 . ( a ) Modulus - temperature behavior of a typical amorphous random copolymer ...
Page 92
... modulus and the storage modulus peaks are af- fected by these variations . The loss modulus is broadened by the pres- ence of block sequences . At a given polystyrene content , the modulus of a block copolymer is much higher than that ...
... modulus and the storage modulus peaks are af- fected by these variations . The loss modulus is broadened by the pres- ence of block sequences . At a given polystyrene content , the modulus of a block copolymer is much higher than that ...
Page 382
... modulus - temperature behavior of the coupled polyol is similar to that of high molecular weight polycaprolactone ( Tm ~ 50 ° C ) , i.e. , the carbamate linkage is not noticed . Modulus ( psi ) 1000 800 600 400 200 T T X 300 % Modulus ...
... modulus - temperature behavior of the coupled polyol is similar to that of high molecular weight polycaprolactone ( Tm ~ 50 ° C ) , i.e. , the carbamate linkage is not noticed . Modulus ( psi ) 1000 800 600 400 200 T T X 300 % Modulus ...
Contents
Polymer Hybrids | 7 |
Block Copolymer Architecture | 24 |
Block Copolymer Synopsis | 30 |
Copyright | |
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A-B-A block copolymers a-methylstyrene addition anionic Appl applications behavior bisphenol blends block copolymers block copolymers containing British Patent butadiene carbonate catalyst Chapter characterization Chem Chemical claimed compositions Corp coupling crystalline crystallization dependent Dimethylsiloxane discussed displayed domains effect elastomers ethylene ethylene oxide example German Offen graft groups hard higher homopolymer important increased initiation length materials mechanical melt melting point methacrylate methyl modulus molecular weight monomer morphology nature observed obtained oligomers oxide phase phosgenation physical poly(ethylene oxide polyester polyether Polym polymerization polystyrene polysulfone polyurethanes possible prepared presence properties propylene random copolymers range reaction Refer reported Rubber Scheme segments sequence Shell showed shown siloxane similar sodium solubility solution solvent strength stress structure studies styrene styrene-butadiene-styrene sulfide synthesis TABLE technique temperature tensile terephthalate terminated thermoplastic tion transition U.S. Patent urethane values viscosity