摘要:
A compound (1) is manufactured which has a metal outer part (3) having a hollow space (2) and a content material (4) formed in the hollow space (2). Namely, manufacture is made by including an outer part forming step to form an outer part and a content material forming step to form a content material (4) in the hollow space (2) by using a metal matrix melt to be die-molded and a filler contained in the melt. The outer part (3) has a desired exterior form. Meanwhile, the content material (4) is formed in a state the hollow space (2) is filled in order to lighten the weight and improve the strength of the compound (1).
摘要:
A polyimide compound crosslinked with a polyamine which is soluble in the specific solvent is produced by dehydration and condensation of amino acid or salt thereof and polyamine in an organic solvent under the presence of protonic acid. In the case of using a polyamine having low solubility to an organic solvent such as lysine and ornithine, the reaction rate of the polymerization can be increased by adding a polyamine in the step before or at the initial step of polymerization because water which is contained in the raw material or produced in the dehydration reaction serves as a good solvent for the polyamine.
摘要:
A magnetic roll having a plurality of magnets integrally set fast with a retaining member at stated portions of the periphery of a roll shaft thereby forming a magnetic force generating part, in which the retaining member is made from a rigid synthetic resin or resin foam, and optionally a strain absorbing groove is provided at a portion outside of said magnetic force generating part.
摘要:
The invention provides a method for producing an aromatic amide carboxylic acid derivative represented by the following Formula (2), including a step of reacting an aromatic amide halide derivative represented by the following Formula (1) with carbon monoxide. In the following Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X1 represents a fluorine atom or a cyano group; X2 represents a halogen atom; and n represents an integer of from 0 to 3.
摘要:
The invention provides a method for producing an aromatic amide carboxylic acid derivative represented by the following Formula (2), including a step of reacting an aromatic amide halide derivative represented by the following Formula (1) with carbon monoxide. In the following Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X1 represents a fluorine atom or a cyano group; X2 represents a halogen atom; and n represents an integer of from 0 to 3.
摘要:
Provided are a polymerizable composition for giving a resin which has a high refractive index and low dispersion, and is especially excellent in impact resistance and tintability; and a resin and an optical component each obtained by curing the composition. There used a polymerizable composition comprising (A) a compound represented by Formula (1) and/or by Formula (2), at least one compound as the following component (B), and at least one compound as the following component (C): (B) polythiol compounds optionally having at least one (poly)sulfide bond in a molecule, and (C) compounds represented by Formula (3): HO—[R1-(Y)n]m—R2-X (3) (in above Formula (3), X is an OH group or a SH group; Y is an oxygen atom or a sulfur atom; R1 and R2 are each independently an optionally substituted methylene group or an optionally substituted alkylene group having carbon atoms of not smaller than 2 and not larger than 4; n is an integer of 0 or 1 when Y is an oxygen atom, or 0 or an integer of not smaller than 1 and not larger than 2 when Y is a sulfur atom; and m is 0 or an integer of not smaller than 1 and not larger than 3, provided that (carbon number of R1+n)×m+(carbon number of R2) is 3 or larger).
摘要:
Provided is a process which can be carried out upon the production of a polyurethane/thiourethane-based resin with the use of a polyisocyanate compound, a polyol compound, and a polythiol compound, without causing abrupt heat generation or viscosity increase. At least one polyol compound having at least one ether bond and two or more hydroxy groups in a molecule is used as the polyol compound, whereby a large heat generation or an abrupt viscosity increase are prevented from occurring upon blending monomer.
摘要:
A readily available and inexpensive natural α-amino acid is converted into a compound represented by formula (1), which is then reacted with an organometallic reagent represented by formula (2) to give an optically active 5-hydroxyoxazolidine represented by formula (3), which is then treated with an acid to provide an optically active aminoketone represented by formula (4). The product is then converted into an optically active aminoalcohol represented by formula (5) or (6) by, for example reduction.
摘要:
The invention relates to a substituted amidine derivative which has an excellent platelet aggregation inhibiting action on the basis of fibrinogen antagonism and is particularly excellent in effectiveness on oral administration, and the platelet aggregation inhibitor containing the substituted amidine derivative of the invention as an effective ingredient is effective for prevention and treatment of thrombosis, and restenosis or reocclusion after percutaneous transluminal coronary angioplasty or percutaneous transluminal coronary recanalization.
摘要:
1-Acyl-2-pyrazoline derivatives represented by the formula ##STR1## where R.sup.1 denotes a hydrogen atom, pyridyl group, pyrazinyl group, alkyl group, aryl group, or alkoxy group; and R.sup.2, R.sup.3, and R.sup.4 independently denote a hydrogen atom, furyl group, pyridyl group, alkyl group, or aryl group, are produced by cyclizing by heating an acylhydrazone derivative represented by the formula ##STR2## where R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are defined as above, to produce compounds having useful anti-cerebral edema activity.