Thermally Stable Polymers: Syntheses and Properties |
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Page vii
... materials entered a new phase in the mid - 1970s . For over 15 years the emphasis in this area was synthesis of new types of backbones . Numerous functional groups were incorporated into polymers in an effort to find an organic material ...
... materials entered a new phase in the mid - 1970s . For over 15 years the emphasis in this area was synthesis of new types of backbones . Numerous functional groups were incorporated into polymers in an effort to find an organic material ...
Page 50
... materials were to incorporate into elastomers chemical and thermal resistance , low - temperature flexibility , and good mechanical properties over a wide temperature range . While pendant CF3 or CF 30 groups served to lower Tg , the ...
... materials were to incorporate into elastomers chemical and thermal resistance , low - temperature flexibility , and good mechanical properties over a wide temperature range . While pendant CF3 or CF 30 groups served to lower Tg , the ...
Page 293
... materials have been studied least , perhaps their study is where high - temperature polymers should have begun . After all , inorganic systems are much more suitable than organics to resistance to thermo- oxidative degradation . The ...
... materials have been studied least , perhaps their study is where high - temperature polymers should have begun . After all , inorganic systems are much more suitable than organics to resistance to thermo- oxidative degradation . The ...
Common terms and phrases
acetone added air or nitrogen aliphatic amide amine anhydride aramids aromatic backbone benzene C. S. Marvel carborane CH₂ CH3 CH3 CH3 Chem chloride chloroform condensation cooled copolymer crosslinking crystalline cyclization decomposition diamine dianhydride dl/g DMAC DMSO dried ether fibers films filtration functions groups heated Hergenrother heterocyclic HMPA hydrazide Imai imide inherent viscosity intermediate intrinsic viscosity isolated isothermal Japan Patent ladder m-cresol m-or Macromol materials melt methanol Method mixture is stirred mmol modulus molecular weight monomer NH-C NH2 NH2 NH2 nitrogen oxadiazole oxide P. M. Hergenrother phenyl phenylene poly polyhydrazide polyimides polymerization polyoxadiazoles postcure poured precipitate the polymer Preprints properties pyridine reaction reflux ring room temperature siloxane sodium solid soluble solution solvent structure sulfone sulfuric acid synthesized tensile strength tetraamines thermal stability thiadiazole tion triazole U.S. Patent vacuo vacuum washed weight loss yellow yield