Abstract: A method for producing a soft magnetic material having both high saturation magnetization and low coercive force, including: preparing an alloy having a composition represented by Compositional Formula 1 or 2 and having an amorphous phase, and heating the alloy at a rate of temperature rise of 10° C./sec or more and holding for 0 to 80 seconds at a temperature equal to or higher than the crystallization starting temperature and lower than the temperature at which Fe—B compounds start to form wherein, Compositional Formula 1 is Fe100-x-yBxMy, M represents at least one element selected from Nb, Mo, Ta, W, Ni, Co and Sn, and x and y are in atomic percent (at %) and satisfy the relational expressions of 10?x?16 and 0?y?8, and Compositional Formula 2 is Fe100-a-b-cBaCubM?c, M? represents at least one element selected from Nb, Mo, Ta, W, Ni and Co, and a, b and c are in atomic percent (at %) and satisfy the relational expressions 10?a?16, 0<b?2 and 0?c?8.

Abstract: An alloy having formula (Fe1-xCox)100-y-z-aByCuzMa, in which x=0.1-0.4, y=10-16, z=0-1, a=0-8, and M=Nb, Mo, Ta, W, Ni, or Sn, wherein the alloy has crystalline grains with an average size of 30 nm or less.

Abstract: A method for producing a soft magnetic material having both high saturation magnetization and low coercive force, including: preparing an alloy having a composition represented by Compositional Formula 1 or 2 and having an amorphous phase, and heating the alloy at a rate of temperature rise of 10° C./sec or more and holding for 0 to 80 seconds at a temperature equal to or higher than the crystallization starting temperature and lower than the temperature at which Fe—B compounds start to form wherein, Compositional Formula 1 is Fe100-x-yBxMy, M represents at least one element selected from Nb, Mo, Ta, W, Ni, Co and Sn, and x and y are in atomic percent (at %) and satisfy the relational expressions of 10?x?16 and 0?y?8, and Compositional Formula 2 is Fe100-a-b-cBaCubM?c, M? represents at least one element selected from Nb, Mo, Ta, W, Ni and Co, and a, b and c are in atomic percent (at %) and satisfy the relational expressions 10?a?16, 0<b?2 and 0?c?8.

Abstract: The present invention provides an Fe-base soft magnetic alloy and a laminated magnetic core formed by using the alloy which contains Fe as a main component and at least one element M and B selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, in which at least 50% of the crystalline structure comprises fine crystalline grains having an average crystal grain size of 30 nm or less and a body-centered cubic structure, and the fracture strain at 300.degree. C. or less is 1. The ratios of the components Fe, and elements M and B are 75 to 93 atomic %, 4 to 9 atomic % and 0.5 to 18 atomic %, respectively. The alloy may contain other additive elements such as Cr, Ru, Hr, Ir, Si, Al, Ge, Ga and the like.

Abstract: An Fe-based soft magnetic alloy having a high saturated magnetic flux density and having a composition represented by formula (I) below:(Fe.sub.1-a Q.sub.a).sub.b B.sub.x T.sub.y T'.sub.z (I)wherein Q represents at least one element selected from the group consisting of Co and Ni; T represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, with Zr and/or Hf being always included; T' represents at least one element selected from the group consisting of Cu, Ag, Au, Ni, Pd and Pt; a, b, x, y and z are real numbers satisfying relationships below:0.ltoreq.a.ltoreq.0.05,0.ltoreq.b.ltoreq.93 atomic %,0.5.ltoreq.x.ltoreq.16 atomic %,4.ltoreq.y.ltoreq.10 atomic %,0.ltoreq.z.ltoreq.4.5 atomic %provided that when 0<z.ltoreq.4.5 atomic %, Q represents Co and 0<b.ltoreq.92 atomic %; and when z=0, 0.5.ltoreq.x.ltoreq.8 atomic % and 4.ltoreq.y.ltoreq.9 atomic %.

Abstract: The present invention relates to a method of stably manufacturing a Fe-base soft magnetic alloy having steps of subjecting an amorphous alloy mainly composed of Fe to heat treatment in which the amorphous alloy is heated to 400.degree. to 750.degree. C. at a heating rate of 1.0.degree. C./minute or higher so that at least 50% or more of the structure of the amorphous alloy is made of fine crystalline grains formed into a body-centered cubic structure and having an average grain size of crystal of 30 nm or smaller as to have a high magnetic permeability and saturation magnetic flux density.

Abstract: An Fe-based soft magnetic alloy having a high saturated magnetic flux density and having a composition represented by formula (I) below:(Fe.sub.1-a Q.sub.a).sub.b B.sub.x T.sub.y T'.sub.z (I)wherein Q represents at least one element selected from the group consisting of Co and Ni; T represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, with Zr and/or Hf being always included; T' represents at least one element selected from the group consisting of Cu, Ag, Au, Ni, Pd and Pt; a, b, x, y and z are real numbers satisfying relationships below:0.ltoreq.a.ltoreq.0.05 atomic %,0<b.ltoreq.93 atomic %,0.5.ltoreq.x.ltoreq.16 atomic %,4.ltoreq.y.ltoreq.10 atomic %,0.ltoreq.z.ltoreq.4.5 atomic %provided that when 0<z.ltoreq.4.5 atomic %, Q represents Co and 0<b.ltoreq.92 atomic %; and when z=0, 0.5.ltoreq.x.ltoreq.8 atomic % and 4.ltoreq.y.ltoreq.9 atomic %.

Abstract: There is disclosed a thermoplastic resin composition which comprises(a) a polyphenylene ether and(b) a polyamide resin, and(c) 0.01 to 5 parts by weight of an acetal and(d) 0.01 to 5 parts by weight of a Lewis acid based on 100 parts by weight of the above (a) and (b) in total.

Abstract: 3,5,5-Trimethylcyclohexa-2-en-1,4-diones is prepared by oxidizing 3,5,5-trimethylcyclohexa-3-en-one with molecular oxygen or a molecular oxygen-containing gas in the presence of an organic base and an organometallic complex catalyst comprising manganese, iron, cobalt or copper atom and at least four nitrogen atoms coordination-bonded thereto.

Abstract: Process for preparing omega-hydroxy fatty acids of the formulaROCH.sub.2 (CH.sub.2).sub.n CH.sub.2 CH.sub.2 CH.sub.2 COOHwherein R is H or acyl, and n is an integer of 0 to 18,by a very simple operation without a trouble of pollution, which comprises catalytically reacting an omega-hydroxy (or acyloxy)-alkyl-.gamma.-butyrolactone of the formula ##STR1## wherein R and n are as defined above, in the presence of a hydrogenolysis catalyst. Compounds of formula (2) are novel, and a process for preparing them is also provided.The subject compounds are particularly useful as intermediates in the production of macrocyclic musk perfumes.

Abstract: Process for preparing omega-hydroxy fatty acids of the formulaROCH.sub.2 (CH.sub.2).sub.n CH.sub.2 CH.sub.2 CH.sub.2 COOHwhereinR is H or acyl, and n is an integer of 0 to 18,by a very simple operation without a trouble of pollution, which comprises catalytically reacting an omega-hydroxy (or acyloxy)-alkyl-.gamma.-butyrolactone of the formula ##STR1## wherein R and n are as defined above, in the presence of a hydrogenolysis catalyst.Compounds of formula (2) are novel, and a process for preparing them is also provided.