摘要:
Provided are: a powdered material for slush molding; and a manufacturing process therefor. The powdered material is less odorous, exhibits excellent powder fluidity, and does not suffer from troubles resulting from the sliding-down or agglomeration of a pigment even when the resin particles have been pigmented on the surfaces thereof. Thus, the powdered material ensures high productivity. The powdered material is a powdered polyurethane urea resin composition which comprises (D) a polyurethane urea resin that has a total content of bimolecular condensate of acetone, bimolecular condensate of methyl ethyl ketone, and bimolecular condensate of methyl isobutyl ketone of 1,000 ppm or less and (N) an additive, wherein the polyurethane urea resin (D) takes the form of thermoplastic polyurethane urea resin particles (P) that have a volume-mean particle diameter of 20 to 500 μm and that have protrusions and recesses on the surfaces. The powdered polyurethane urea resin composition is manufactured by a manufacturing process which includes a step of mixing (A) an isocyanato-terminated urethane prepolymer with (B) an alicyclic diamine and/or an aliphatic diamine in an aqueous medium by stirring to form the resin particles (P).
摘要:
Provided are: a powdered material for slush molding; and a manufacturing process therefor. The powdered material is less odorous, exhibits excellent powder fluidity, and does not suffer from troubles resulting from the sliding-down or agglomeration of a pigment even when the resin particles have been pigmented on the surfaces thereof. Thus, the powdered material ensures high productivity. The powdered material is a powdered polyurethane urea resin composition which comprises (D) a polyurethane urea resin that has a total content of bimolecular condensate of acetone, bimolecular condensate of methyl ethyl ketone, and bimolecular condensate of methyl isobutyl ketone of 1,000 ppm or less and (N) an additive, wherein the polyurethane urea resin (D) takes the form of thermoplastic polyurethane urea resin particles (P) that have a volume-mean particle diameter of 20 to 500 μm and that have protrusions and recesses on the surfaces. The powdered polyurethane urea resin composition is manufactured by a manufacturing process which includes a step of mixing (A) an isocyanato-terminated urethane prepolymer with (B) an alicyclic diamine and/or an aliphatic diamine in an aqueous medium by stirring to form the resin particles (P).
摘要:
Provided are urethane resin particles for slush molding which make it possible that inconveniences based on the slip-down of a pigment, on the aggregation of particles of the pigment, and on other causes are removed although this coloring is coloring onto the resin particle surfaces. The present invention is urethane resin particles for slush mold which contain a urethane resin and an additive, wherein the particles have a shape factor SF1 of 101 to 200, a shape factor SF2 of 120 to 240, and a central particle diameter of 20 to 500 μm. It is preferred that the urethane resin has a concentration of urea groups of 0.5 to 10% by weight, a total of the concentration of urethane groups and that of the urea groups of 4 to 20% by weight, a melting point of 160 to 260° C. and a glass transition temperature of −65 to 0° C.
摘要:
Provided are urethane resin particles for slush molding which make it possible that inconveniences based on the slip-down of a pigment, on the aggregation of particles of the pigment, and on other causes are removed although this coloring is coloring onto the resin particle surfaces. The present invention is urethane resin particles for slush mold which contain a urethane resin and an additive, wherein the particles have a shape factor SF1 of 101 to 200, a shape factor SF2 of 120 to 240, and a central particle diameter of 20 to 500 μm. It is preferred that the urethane resin has a concentration of urea groups of 0.5 to 10% by weight, a total of the concentration of urethane groups and that of the urea groups of 4 to 20% by weight, a melting point of 160 to 260° C. and a glass transition temperature of −65 to 0° C.
摘要:
The present invention provides a method for assessing embryotoxicity of a chemical comprising: (1) a first step of measuring the expression level of one or more genes selected from among genes each comprising any of the nucleotide sequences of SEQ ID NOs: 1 to 78 and 101 to 230 and orthologous genes thereof in a sample from a non-human mammal or mammalian cell which has come into contact with a test chemical; and (2) a second step of comparing the measured value of the expression level of the gene in the sample obtained in the first step with a control value of the expression level of the gene and based on the difference assessing the level of the embryotoxicity of the test chemical in the sample; and so on.
摘要:
A transport roller includes: a roller body of which a pair of end surfaces face each other by a press work so as to be in a cylindrical shape; and a high friction layer which contains inorganic particles and is provided on a surface of the roller body. Here, the roller body is provided with a joining portion which is formed by separating the pair of end surfaces. In addition, an average particle diameter of the inorganic particle is larger than a distance between the pair of the end surfaces of the roller body on an outer peripheral surface side thereof.
摘要:
A liquid ejecting head includes a head main body capable of ejecting a liquid supplied from a liquid storage unit, and a supply member provided with a liquid supply passage for supplying the liquid from the liquid storage unit to the head main body. The supply member has a filter mounting member provided with the liquid supply passage, a supply body that supplies the filter mounting member with the liquid, and a filter provided between the filter mounting member and the supply body. The supply member is provided with an outer portion that fixes the filter mounting member, the supply body, and the filter and that is formed by integral molding.
摘要:
In a semiconductor module having the structure in which a bump electrode provided on a wiring layer is connected to a device electrode provided on a semiconductor device, connection reliability between the bump electrode and the device electrode is improved. An insulating resin layer is provided between the semiconductor device and the wiring layer. The bump electrode, formed integrally with the wiring layer and projected from the wiring layer toward the insulating resin layer, is electrically connected to the device electrode provided on the semiconductor device. Part of the height of the wiring layer on the end side in a bump connection area is lower than that of the wiring in a wiring area extending toward the side opposite to the end side.
摘要:
A transport device includes a transport roller that is formed into a cylindrical shape in such a manner that a pair of end surfaces thereof are matched with each other by press working, and includes a medium supporting region in a part thereof in a longitudinal direction, while the medium supporting region supporting a medium; and a bearing that pivotally supports a region of the transport roller, the region being other than the medium supporting region. The transport roller includes an opening in the region other than the medium supporting region in a seam formed by matching the pair of end surfaces with each other.
摘要:
A compound depicted by the formula below, or a pharmaceutically acceptable salt or solvate thereof. wherein, R1 represents (1) a C3-6 alkyl group, (2) a C1-6 alkyl group substituted with one or more substituent group(s) selected from those consisting a halogen atom, etc., (3) a C3-10 non-aromatic cyclic hydrocarbon group or a 5- to 6-membered non-aromatic heterocyclic group which respectively is optionally substituted with one or more substituent group(s) selected from those consisting an oxo group, etc., (4) an aromatic cyclic hydrocarbon group substituted with one or more substituent selected from the group consisting halogen atom and C1-4 alkoxy group; X represents NH, O, or S; Y represents CH or N; Z represents N or a C—R2; R2 represents (1) hydrogen atom, (2) a C1-6 alkyl group, a C2-6 alkenyl group or a C2-6 alkynyl group that respectively is optionally substituted with one or more substituent group(s) selected from among those consisting (a) a halogen atom, etc., or (3) a C5-6 non-aromatic cyclic hydrocarbon group or a 5- to 6-membered non-aromatic heterocyclic group optionally substituted; ring A represents a benzene ring optionally substituted; ring B represents a benzene ring optionally substituted.