Abstract:
Synthetic resin particles having a hydrogen bond forming group are swollen, at least one metallic compound capable of forming a hydrogen bond is introduced into the synthetic resin particles, and the metallic compound is hydrolyzed and condensed within the synthetic resin particles and on and in the vicinity of the surface of the synthetic resin particles. An inorganic component is grown by this reaction, and at least part of the grown inorganic component 3 is fixed through a reaction with a hydrogen bond forming group present within the synthetic resin particles 1 and on and in the vicinity of the surface of the synthetic resin particles 1 to prepare a coating composition. The coating composition is coated on the surface of a substrate, and the resulting coating is dried at a temperature of the lowest film forming temperature or above to form a coating.
Abstract:
The present invention provides a heat exchanger using hollow fibers formed of an organic polymer as the heat transfer tubes; a blood oxygenating device comprising a blood oxygenator combined with the aforesaid heat exchanger; and a small-sized and lightweight blood oxygenator which comprises a blood oxygenator of the hollow-fiber membrane type having the aforesaid heat exchanger incorporated thereinto to form an integral unit, and hence has excellent gas exchange and heat exchange performance.
Abstract:
A thin-film dielectric comprising a conductive substrate having formed thereon a thin layer of lead titanate (PT), lead titanate zirconate (PZT), third components type lead titanate zirconate prepared by adding an ingredient represented by the formula Pb(M'.sub.1/3 M".sub.2/3)O.sub.3 (wherein M' represents a divalent transition metal, and M" represents Ta or Nb), as a third component to lead titanate zirconate (PZT) to form a solid solution, or lanthanum-containing lead titanate zirconate (PLZT). The total film thickness of the dielectric composition is 0.1 to 100 .mu.m.The thin-film dielectric is produced by coating the substrate with an organic solvent solution of .beta.-diketone or the like as a precursor for said dielectric in a uniform thickness, prebaking at a temperature higher than the decomposition temperature of the organic component contained in the coating thin-film of precursor and lower than the crystallization temperature of the dielectric in an oxygen-containing stream, repeating the coating-prebaking procedure, and then fully baking at a temperature higher than the crystallization temperature of the dielectric composition; or repeating the coating with the precursor solution and the full baking procedure.
Abstract:
A nonwoven fabric having no pattern and composed of 100% synthetic fibers, wherein individual fibers are held together by three-dimensional entanglement into a stabilized sheet form without being subjected to any bonding treatment, which nonwoven fabric has a structure characterized by a specific volume of the nonwoven fabric of 3.5 cm.sup.3 /g or less, a bending index (in terms of R) of individual fibers of 4.0 or more, and a strength efficiency (in terms of S) of the nonwoven fabric of 90% or more. Such a nonwoven fabric has excellent properties which are comparable to conventional woven fabrics in not only hand but also practical performance characteristics. This nonwoven fabric is manufactured by a method which comprises placing on a substantially smooth supporting member a web, 35 to 170 gm/m.sup.2 in basis weight, composed of highly shrinkable synthetic fibers having a potential heat shrinkage of 50% or more, exposing said web to the impact of fine jet streams of water discharged under a pressure of 10 to 35 kg/cm.sup.2, whereby allowing individual fibers to entangle one another, thereafter subjecting the web to wet heat treatment at free length conditions to allow the web to shrink by 50% or more in area, drying the shrunk web at a temperature at which no change takes place in the shape and internal structure of individual fibers, and then subjecting the dried web to heat setting under an applied pressure of 200 g/cm.sup.2 or more.
Abstract translation:一种无图案的无纺织物,由100%的合成纤维组成,其中单个纤维通过三维缠结保持在稳定的片状而不进行任何粘合处理,该无纺织物的特征在于体积比 3.5cm 3 / g以下的无纺布,单纤维的弯曲指数(以R计)为4.0以上,无纺布的强度效率(以S计)为90%以上。 这种非织造布具有优异的性能,与传统的机织织物相比,不仅手工而且具有实用的性能特性。 该非织造织物通过以下方法制造:将基本平滑的支撑构件放置在基重为35〜170gm / m 2的纤维网上,所述幅材由潜热收缩率为50%以上的高收缩性合成纤维构成, 对于在10〜35kg / cm 2的压力下排出的细水喷射流的影响,由此允许单个纤维彼此缠结,然后在自由长度条件下对幅材进行湿热处理,以使幅材收缩50 %以上的面积,在单个纤维的形状和内部结构不发生变化的温度下干燥收缩纤维网,然后在200g / cm 2以上的施加压力下使干燥的纸幅进行热定型。
Abstract:
A nonwoven fabric having no pattern and composed of 100% synthetic fibers, wherein individual fibers are held together by three-dimensional entanglement into a stabilized sheet form without being subjected to any bonding treatment, which nonwoven fabric has a structure characterized by a specific volume of the nonwoven fabric of 3.5 cm.sup.3 /g or less, a bending index (in terms of R) of individual fibers of 4.0 or more, and a strength efficiency (in terms of S) of the nonwoven fabric of 90% or more. Such a nonwoven fabric has excellent properties which are comparable to conventional woven fabrics in not only hand but also practical performance characteristics. This nonwoven fabric is manufactured by a method which comprises placing on a substantially smooth supporting member a web, 35 to 170 g/m.sup.2 in basis weight, composed of highly shrinkable synthetic fibers having a potential heat shrinkage of 50% or more, exposing said web to the impact of fine jet streams of water discharged under a pressure of 10 to 35 kg/cm.sup.2, whereby allowing individual fibers to entangle one another, thereafter subjecting the web to wet heat treatment at free length conditions to allow the web to shrink by 50% or more in area, drying the shrunk web at a temperature at which no change takes place in the shape and internal structure of individual fibers, and then subjecting the dried web to heat setting under an applied pressure of 200 g/cm.sup.2 or more.
Abstract translation:一种无图案的无纺织物,由100%的合成纤维组成,其中单个纤维通过三维缠结保持在稳定的片状而不进行任何粘合处理,该无纺织物的特征在于体积比 3.5cm 3 / g以下的无纺布,单纤维的弯曲指数(以R计)为4.0以上,无纺布的强度效率(以S计)为90%以上。 这种非织造布具有优异的性能,与传统的机织织物相比,不仅手工而且具有实用的性能特性。 该无纺织物通过以下方法制造:将基本平滑的支撑构件放置在基重为35〜170g / m 2的纤维网上,所述纤维网由具有50%以上的潜热收缩率的高收缩性合成纤维构成, 对于在10〜35kg / cm 2的压力下排出的细水喷射流的影响,由此允许单个纤维彼此缠结,然后在自由长度条件下对幅材进行湿热处理,以使幅材收缩50 %以上的面积,在单个纤维的形状和内部结构不发生变化的温度下干燥收缩纤维网,然后在200g / cm 2以上的施加压力下使干燥的纸幅进行热定型。
Abstract:
A plastic article having improved surface characteristics comprises a plastic body having adhered thereon a cross-linked film of a composition comprising (A) 10 to 90 parts by weight of a cross-linking unsaturated compound having a molecular weight of M and containing in the molecule N polymerizable ethylenically unsaturated radicals (N being an integer of 2 or more), the ratio of said molecular weight, M, to said number, N, of ethylenically unsaturated radicals (M/N) being about 49 to about 600, (B) 90 to 10 parts by weight of an unsaturated monomer containing in the molecule at least one radical copolymerizable with said component (A) and at least one acid radical, and (C) up to 20 parts by weight of other copolymerizable unsaturated compounds, the total of (A), (B) and (C) being 100 parts by weight, at least a part of the acid radicals contained in the film having been converted into alkali salts thereof, said cross-linked film having a thickness of 5 to 500 .mu.. The above plastic article is produced by forming on the surface of a plastic body a cross-linked film of the composition comprising the components (A), (B) and (C) and then treating the cross-linked film with a base to convert the acid radical into its alkali salt.
Abstract:
A hard coat film excellent in abrasion resistance and saponification resistance. A hard coat layer includes a cured product of a curable resin composition containing a reactive inorganic fine particle having an average particle diameter of 5 nm to 30 nm, and has a skin layer, wherein the reactive inorganic fine particles are localized, in its surface region being an interface and its vicinity on a side opposite to a transparent substrate film side of the hard coat layer. Alternatively, the reactive inorganic fine particle has an average particle diameter of 30 nm to 100 nm, and has density distribution in a thickness direction of the hard coat layer lowest at an interface on a side opposite to a transparent substrate film side of the hard coat layer while the density is highest at an interface and its vicinity on the transparent substrate film side of the hard coat layer.
Abstract:
There are provided an antireflection film for use primarily in displays such as LCDs, which exhibits both antifouling properties and mar-proofness, as well as a process for its production, the antireflection film comprising at least one functional layer and a low refractive index layer laminated in that order on a transparent base material, wherein the at least one functional layer contains leveling agent A in contact with the low refractive index layer, the low refractive index layer containing in addition to leveling agent B, the leveling agent A that has migrated from the at least one functional layer, further wherein the migrated leveling agent A and leveling agent B are uniformly distributed at the surface of the low refractive index layer, and the process for its production including: coating a functional layer-forming composition containing leveling agent A onto a transparent base material or a functional layer preformed thereover; half-curing it to form a functional layer in contact with the low refractive index layer; further coating the half-cured functional layer with a low refractive index layer-forming composition containing leveling agent B; and then completing the curing to form a low refractive index layer, whereby the leveling agent A migrates into the surface of the low refractive index layer, resulting in uniform distribution of the leveling agent A and leveling agent B at the surface of the low refractive index layer.
Abstract:
The present invention provides an optical layered body having excellent antistatic properties, optical characteristics, hardness, adhesion, and interference fringe prevention performance, which can be produced at a low cost.An optical layered body having a hard coat layer provided on a triacetylcellulose substrate, wherein a resin composition used for forming the hard coat layer contains a quaternary ammonium salt-containing polymer, a binder resin, and a solvent; the quaternary ammonium salt-containing polymer has a higher hydrophilicity than the binder resin; and the binder resin contains two or more resin components having different hydrophilicities.
Abstract:
A coating composition forms a coating film having an eliminated or reduced photocatalytic action-derived deterioration, and forms a coating film having a lowered haze value, excellent dispersibility and dispersion stability in a coating liquid form, excellent storage stability, and also excellent coatability. The coating composition includes at least the following four components: titanium dioxide fine particles with eliminated or reduced photocatalytic activity which is obtained by surface treating titanium dioxide fine particles doped with cobalt capable of capturing free electrons and/or holes, with a zinc chelate compound capable of capturing free electrons and/or holes; a binder component; a dispersant; and an organic solvent.