摘要:
A cellulose-film modifier, having a compound represented by the following Formula (1): wherein R1 represents a hydrogen atom or an aliphatic or aromatic acyl group; R2, R3 and R4 each represent a hydrogen atom or an aliphatic or aromatic group; and at least one of R2, R3 and R4 represents an aliphatic group bonding via its secondary carbon; a cellulose composition, an optical cellulose film, a polarizing plate-protecting film, a polarizing plate, and a liquid crystal display device.
摘要:
A cellulose acylate film includes a cellulose acylate; and a polyester diol having a hydroxyl group at each of the both terminals in an amount of 5 mass % or more based on the amount of the cellulose acylate.
摘要:
An optical film includes a cellulose acylate, a polymer additive that decreases an optical anisotropy of the cellulose acylate, a compound that has a plasticizing effect, and a compound that changes a wavelength dispersion of an optical property of the cellulose acylate.
摘要:
A polymer film comprising at least one polymer as the main ingredient thereof, and at least one compound that satisfies relational formulae (1) and (2), in an amount of from 0.2 to 20% by mass of said at least polymer is disclosed. λmax indicates the maximum absorption wavelength (unit: nm) of the compound, λ1/2 (λmax
摘要:
Cellulose acylate grains having a heat quantity of crystalline fusion of at most 10 J/g. A film prepared by melt-casting the grains is free from the problem of yellowing when built in liquid-crystal display devices.
摘要:
A low-reflection transparent conductive multi layer film to be attached to the front panel of cathode-ray tubes or plasma displays comprising, in the order described, a transparent substrate, a hard coat layer, a transparent conductive layer containing particles comprising at least one of a metal and a metal oxide, and at least one transparent protective layer which has anti-smudge properties, has a refractive index different from that of the transparent conductive layer and comprises a resin having a high dielectric power factor.
摘要:
There is disclosed a non-aqueous-electrolyte secondary battery comprising a positive electrode including a material capable of reversibly absorbing and releasing lithium, a negative electrode, a non-aqueous electrolyte containing a lithium salt, and a separator of the secondary battery the negative electrode comprises a material mainly comprising an amorphous chalcogen compound and/or an amorphous oxide including three or more atoms selected from the group consisting of Groups 1, 2, 13, 14, and 15 of the Periodic Table, and the said non-aqueous-electrolyte contains at least one N-containing organic compound. This non-aqueous electrolyte secondary battery has excellent charge and discharge characteristics, and its decrease of discharge capacity due to repeated charging/discharging is small.
摘要:
A magnetic recording medium comprising a nonmagnetic support and a magnetic recording layer provided on said support, in which said magnetic recording layer comprises:a ferromagnetic metal powder having a specific surface area of not less than 40 m.sup.2 /g;a fatty acid having a melting point of lower than 50.degree. C.;a fatty acid having a melting point of not lower than 50.degree. C.; anda fatty acid ester.
摘要:
A magnetic recording medium contains in its magnetic recording layer a ferromagnetic metal powder containing an aluminum component in an amount of 1 to 6% by weight as alumnum metal, and an extremely hard abrasive such as .alpha.-alumina, chrome oxide, silicon carbide and silicon nitride. A magnetic recording medium preferably contains in its magnetic recording layer a binder comprising a resin component having a polar group.
摘要:
A magnetic recording medium comprises a non-magnetic support having provided thereon a magnetic layer containing magnetic particles dispersed in a binder. The magnetic layer contains acicular Cr.sub.2 O.sub.3 having an average length in the long axis of 1.0 .mu.m or less, an average length in the short axis of 0.1 .mu.m or less and an acicular ratio (long axis/short axis) of from 5/1 to 20/1 in an amount of from 1 to 20 wt % based on the total weight of the magnetic particles. The binder comprises at least one material selected from the group consisting of polyurethane having a glass transition temperature (Tg) of from 0.degree. to 95.degree. C. or containing a metal sulfonate group, or a vinyl chloride resin containing a metal sulfonate group.
摘要翻译:磁记录介质包括非磁性载体,其上设有包含分散在粘合剂中的磁性颗粒的磁性层。 磁性层含有长轴的平均长度为1.0μm以下,短轴的平均长度为0.1μm以下,针状比(长轴/短轴)为5/1的针状Cr 2 O 3 至20/1,其量为1至20重量%,基于磁性颗粒的总重量。 粘合剂包含选自玻璃化转变温度(Tg)为0〜95℃或含有金属磺酸盐基团的聚氨酯或含有金属磺酸盐基的氯乙烯树脂的至少一种材料。