摘要:
Replacement of the amorphous peptide domain of a structural biopolymer, such as silk from silkworms or spiders, with a nonpeptide segment while maintaining the β-sheet forming crystalline segments provides synthetic multiblock copolymers having solid-state structures and mechanical properties similar to the naturally occurring structural biopolymer is described herein. Such synthetic multiblock copolymers may be produced as films or fibers.
摘要:
Replacement of the amorphous peptide domain of a structural biopolymer, such as silk from silkworms or spiders, with a nonpeptide segment while maintaining the β-sheet forming crystalline segments provides synthetic multiblock copolymers having solid-state structures and mechanical properties similar to the naturally occurring structural biopolymer is described herein. Such synthetic multiblock copolymers may be produced as films or fibers.
摘要:
Replacement of the amorphous peptide domain of a structural biopolymer, such as silk from silkworms or spiders, with a nonpeptide segment while maintaining the β-sheet forming crystalline segments provides synthetic multiblock copolymers having solid-state structures and mechanical properties similar to the naturally occurring structural biopolymer is described herein. Such synthetic multiblock copolymers may be produced as films or fibers.
摘要:
Photoinitiator modified silicate and ethylenically unsaturated monomer are reacted in solvent to cause living polymerization of monomer and exfoliation of silicate layers and cause attachment of silicate layers to polymer chains, thereby providing dispersed homopolymer or block copolymer silicate nanocomposites.
摘要:
"Living" polymers and their preparation in the absence of a co-catalyst at a pressure greater than about 50 MPa, from polar acrylic or maleimide monomers and organosilicon, -tin or -germanium initiators.
摘要:
Free radical living polymerization attached nanocluster (metal oxide, e.g., gamma-Fe2O3 or FeO nanocluster or quantum dot (e.g., CdSe) nanocluster, are used for polymerization of polymer or copolymer to provide nanocomposite polymers or copolymer arms around nanoclusters.
摘要翻译:附着纳米团簇(金属氧化物,例如,γ-Fe 2 O 3 O 3或FeO纳米簇或量子点(例如,CdSe))纳米团簇的自由基活性聚合用于聚合 聚合物或共聚物以在纳米团簇周围提供纳米复合聚合物或共聚物臂。
摘要:
Solution blending of masterbatch of cationically functionalized polyvinyl acetate copolymer/silicate nanocomposite where the silicate is substantially exfoliated, and ethylene-vinyl acetate copolymer (EVA), produces product of increased tensile strength and Young's Modulus compared to neat EVA and reduced flammability compared to neat EVA. The product can be injection molded or compression molded or extruded without loss of these advantages.
摘要:
Excellent resolution and sensitivity in the patterning of resists utilized in device and mask manufacture is obtained with a specific composition. In particular this composition involves polymers having recurring pendant acid labile .alpha.-alkoxyalkyl carboxylic acid ester moieties in the presence of an acid generator activated by actinic radiation such as UV-visible, deep ultraviolet, e-beam and x-ray radiation.