Abstract: A novel cellulose acylate composition is disclosed. The composition comprises at least one cellulose acylate having an aromatic group-containing acyl group (Substituent A), in which a substitution degree with Substituent A satisfies following relational expressions (I) and (II): DSA2+DSA3?DSA6>0.05,??(I) 0.11<DSA2+DSA3+DSA6<0.71,??(II) wherein DSA2, DSA3 and DSA6 each indicate a substitution degree with Substituent A at the 2-, 3- and 6-positions of the cellulose acylate.

Abstract: The hyperbranched polymers are at least one anhydrosugar-related compound selected from the dianhydrosugar alcohol [1]: (wherein R is hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms, provided that nR's are equal to or different from one another and at least one R of nR's is hydrogen atom, and symbol n is an integer from 1 to 10) and the anhydrosugar alcohol [2]: (wherein each of R1, R2, R3 and R4 is hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms; provided that R1, mR2's, pR3's and R4 are equal to or different from one another and at least one R2 or R3 of said mR2's and pR3's is hydrogen atom, respectively; and symbol m is zero (0) or an integer from 1 to 20 and symbol p is an integer from 1 to 20, provided that symbol m+p is an integer from 1 to 20) or at least one anhydrosugar-related compound selected from the dianhydrosugar alcohol [1] and/or the anhydrosugar alcohol [2] with at least one sugar compound selected from the anhydrosugar as represented by th

Abstract: A novel cellulose acylate composition is disclosed. The composition comprises at least one cellulose acylate having an aromatic group-containing acyl group (Substituent A), in which a substitution degree with Substituent A satisfies following relational expressions (I) and (II): DSA2+DSA3?DSA6>0.05,??(I) 0.11<DSA2+DSA3+DSA6<0.71,??(II) wherein DSA2, DSA3 and DSA6 each indicate a substitution degree with Substituent A at the 2-, 3- and 6-positions of the cellulose acylate.

Abstract: A cellulosic substance composition contains a cellulosic substance having an aliphatic acyl group containing a branched structure having from 5 to 30 carbon atoms.

Abstract: A cellulose compound composition includes a cellulose compound that includes (A) an aliphatic acyl group having a carbon number of 5 to 30 and (B) an acyl group containing an aromatic group.

Abstract: A cellulose film, containing a cellulose compound of formula (I), wherein, R16, R13, and R12 represent a hydrogen atom, or a group containing an aliphatic or aromatic group; —X16—, —X13—, and —X12— represent *1—O—, *1—OOC—, or *1—OOCNH—; n1 represents an average polymerization degree of 10 to 1,500, and the following relationships are satisfied; DS16long<(DS13long+DS12long)??Expression (I) 2.5?(DS13long+DS12long+DS16long)>0.01??Expression (II) wherein DS16long, DS13long, and DS12long represent a substitution degree at the 6-, 3- or 2-position of the substituent having absorption at the longest wavelength, among the 3n1 substituents on the 6-, 3- or 2-position; and said substituent has an absorption maximum wavelength at the longest wavelength in the range of 270 to 450 nm and a molar extinction coefficient of 2,000 to 1,000,000 for a solution of CH3—X16—R16, CH3—X13—R13 or CH3—X12—R12 corresponding to —X16—R16, —X13—R13 or —X12—R12, respectively.

Abstract: The hyperbranched polymers are at least one anhydrosugar-related compound selected from the dianhydrosugar alcohol [1]: (wherein R is hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms, provided that nR's are equal to or different from one another and at least one R of nR's is hydrogen atom, and symbol n is an integer from 1 to 10) and the anhydrosugar alcohol [2]: (wherein each of R1, R2, R3 and R4 is hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms; provided that R1, mR2's, pR3's and R4 are equal to or different from one another and at least one R2 or R3 of said mR2's and pR3's is hydrogen atom, respectively; and symbol m is zero (0) or an integer from 1 to 20 and symbol p is an integer from 1 to 20, provided that symbol m+p is an integer from 1 to 20) or at least one anhydrosugar-related compound selected from the dianhydrosugar alcohol [1] and/or the anhydrosugar alcohol [2] with at least one sugar compound selected from the anhydrosugar as represented by