Abstract:
PROBLEM TO BE SOLVED: To provide an inorganic colored particle powder which excels in easy dispersibility, dispersion uniformity, and dispersion stability in a vehicle, and a production method which can industrially obtain the inorganic colored particle powder. SOLUTION: The inorganic colored particle powder is composed of inorganic colored particles coated with a polysiloxane modified with at least one kind selected from a polyether, a polyester, and an aralkyl. This inorganic colored particle powder can be obtained by mixing, at a temperature of >=80 deg.C, inorganic colored particles with the polysiloxane modified with at least one kind selected from the polyether, the polyester, and the aralkyl.
Abstract:
PROBLEM TO BE SOLVED: To prepare a film made of a colored plastic not inhibiting a coloring effect by a colorant, having more improved combustion efficiency in incineration. SOLUTION: The film made of the colored plastic is obtained by forming 0.01-2 wt.%, based on a thermoplastic resin, of a colorant and 0.01-2 wt.%, based on the thermoplastic resin, of complex hydrous iron oxide fine particle power having >=0.005 μm and
Abstract:
PROBLEM TO BE SOLVED: To provide ferrite particle powder for bonded magnets, capable of obtaining a bonded magnet compact with good mechanical strength and superior magnetic characteristics of molded products, a resin composition for the bonded magnets, and a bonded magnet compact, such as a magnet roll that uses the ferrite particle powder and the composition. SOLUTION: Ferrite particle powder for bonded magnets, a resin composition for the bonded magnets, and a magnet roll have a particle size distribution, with a mean volume diameter controlled from 2.1 μm to 2.7 μm and the standard deviation σ of the particle size distribution controlled from 1.4 to 1.9. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a resin composition for a bonded magnet excellent in moldability, and a bonded magnet excellent in mechanical strength and heat resistance. SOLUTION: This resin composition comprises a magnetic powder and an aromatic polyamide resin. The polyamide resin has such characteristics that the molar ratio of the amount of remaining terminal carboxyl groups to that of remaining terminal amino groups is 1.0 or lower or that an aliphatic diamine component for producing the polyamide resin comprises a linear diamine and a branched diamine, the molar ratio of the content of the linear diamine to that of the branched diamine being less than 4.0. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To obtain a plastic film having excellent transparency and low chroma, capable of suppressing the discoloration at the time of molding processing, and exhibiting more improved combustion efficiency when being disposed. SOLUTION: This plastic film is obtained by forming a thermoplastic resin containing 0.01-2 wt.% complex pigment comprising a fine particle powder of a complex hydrated iron oxide having the particle surfaces covered with an organosilane compound or a polysiloxane formed from an alkoxysilane, further having an attached organic blue pigment and 0.005-0.1 μm average major axis diameter, and regulated so that the attached amount of the organic blue pigment may be 1-20 pts.wt. based on 100 pts.wt. hydrated iron oxide particle powder, into a film shape.
Abstract:
PURPOSE: To obtain the subject powder, comprising inorganic colored particles prepared by applying a specific modified polysiloxane to the surfaces of particles and excellent in easy dispersibility and dispersion stability in a vehicle and further storage stability and suitable as a water-based coating, etc. CONSTITUTION: This powder comprises inorganic colored particles prepared by applying (A) a modified polysiloxane modified with a polyether, a polyester or an aralkyl [e.g. the one of formula I 9146/28}R1 is a group of the formula (CH2 )1 [(l) is 1-15]; R2 is a group of (CH2 )m -CH3 [(m) is 0-15]; R3 is H, OH, COOH, etc.; R4 is H or R2 ; (q) is 1-15; (x) is 1-50; (y) is 1-300] or formula II 9146/28}R1 is a group of the formula (CH2 )l [(l) is 1-15]; R2 is H, OH, COOH, etc.; R3 is H or a group of the formula (CH2 )n -CH3 [(n) is 0-15]; (x) and (y) are each 1-500]] to the surfaces of particles.
Abstract:
PURPOSE:To raise the dispersion property by fixing Al or Si or oxides or hydroxides containing Al and Si and one or more kinds of oxides or hydroxides being selected from specified metal elements other than these. CONSTITUTION:This is magnetic powder for magnetic recording consisting of magnetic particles where parameter a dependent on the quantity of molecules at the time when As=K1M (K is a Constant peculiar to system) which materializes from the relation between the quantity (M) of high polymers and the amount (As) of saturated suction is 0.50 or over, and Al or Si or oxides or hydroxides containing As and Si and one or more kinds of oxides or hydroxides being selected from Sn, Sb, Ag, Pd, Cu, and Fe are fixed to the surfaces of the magnetic particles. This particle powder is excellent in is dispersion property, and is suitable for powder for record in high density, and in case that it is used for a magnetic tape, the surface resistance value can be lowered, and an excellent magnetic record medium without marring the magnetic property can be gotten.
Abstract:
PURPOSE:To obtain powder of magnetic particles having excellent dispersibility by sticking oxides or hydroxide containing Al or Si or Al and Si to the surface of magnetic particles. CONSTITUTION:These are powder magnetic particles for magnetic recording wherein an oxide or hydroxide containing Al or Si or Al and Si is stuck to the surface of magnetic particles having more than 0.50 of molecular weight dependent parameter alpha in As=K1M which is valid from the relation between the molecular weight (M) and saturated amount of absorption (As) of high polymer. In the manufacture of the above, an alkali solution is added to an aqueous suspension of magnetic particles, pH value is made higher than 10, an aqueous solution containing Al or an aqueous solution containing Si or a mixed aqueous solution containing At and Si is added to the suspension, pH value is adjusted to almost neutral, and the hydroxide of Al or Si or both of them is quickly settled. Then, a mixture obtained by screening the magnetic particles and hydroxide by filter is washed with water and dried and treated by consolidation crushing by edge runner, and magnetic power having a high dispersibility can be obtained.
Abstract:
PROBLEM TO BE SOLVED: To obtain both a synthetic resin composition capable of maintaining a burning velocity even at a low temperature under a low-oxygen concentration condition, suppressing amounts of carbon dioxide and nitrogen oxides evolved during its combustion and reducing the amount of remaining ash and toxic substances as less as possible after incineration an incinerating the synthetic resin after essential use as a synthetic resin and to obtain a fuel excellent in combustion characteristics by utilizing a waste plastic. SOLUTION: This synthetic resin composition is obtained by adding 0.1-20wt.% of a hydrous ferric hydroxide particle having
Abstract:
PURPOSE: To effectively remove harmful matter such as dilute HCl in a combustion waste gas produced upon combustion of combustible waste by combusting the combustible waste at specific temperature under the existence of a calcium compound and iron oxide particles or ferric oxide hydrate particles or iron oxide particles and ferric oxide hydrate particles. CONSTITUTION: Combustible waste is combusted at temperature at least 850 deg.C under the existence of a calcium compound and iron oxide particles or ferric oxide hydrate particles or iron oxide particles and ferric oxide hydrate particles. The combustible waste includes particularly garbage in urban refuse, diapers, vinylidene chloride in waste plastic. The calcium compound includes CaO and Ca(OH)2 having high dechlorination activity as well as CaCO3 having low dechlorination activity. The iron oxide particles include hematite particles, and magnetite particles, and as ferric oxide hydrate particle goethite and akaganite, etc., may be used.