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The effect of the high order structure of an isotactic polypropylene (PP) composite on the resistivity of composites containing magnetically aligned Ni particles was studied. Only a small amount of particles needed to be added for the composite material to become conducting after heating while in a magnetic field. The Ni columns formed on applying the field were distorted by the formation of large...
Magnetic-field induced alignment of polyethylene is firstly reported. Isothermal crystallization of low molecular weight polyethylene samples, high density polyethylene (HDPE) and linear low density polyethylene (LLDPE), from melting state was conducted under the magnetic-field of 2 or 10 T. Isothermal crystallization at the temperatures which induced effective self-seeding achieved alignment of polymer...
Crosslinkers containing aliphatic hydrocarbon chains of various lengths were introduced into solubilized collagen with lime (SCL) in order to stabilize its structure. The crosslinking resulted in an increase in the denaturation temperature and helix regeneration ratio of the modified SCL. The increase was prominent when a large fraction of the amino groups on the SCL side chains was modified with...
Intramolecular cross-links were introduced into collagen molecules with six kinds of cross-linking reagents at a dilute concentration of protein where intermolecular cross-links rarely occurred. Cross-linked collagen molecules regenerated the triple-helical structure from the heat-denatured conformation. The cross-links consisting of an aliphatic hydrocarbon chain were more effective in the regeneration...
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