SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUST CHIMIQUES SEPPIC
发明人:
Andre BENATTAR,Andrey BONNARDEL,Jerome GUILBOT,Sebastien KERVERDO,Herve ROLLAND,Guy TABACCHI
申请号:
US15900544
公开号:
US20180170956A1
申请日:
2018.02.20
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A process for preparing a composition (C1) represented by the formula (I): HO—CH2—(CHOH)n—CH2—O-(G)x-H, in which G represents the remainder of a reducing sugar, n is an integer equal to 2, 3 or 4 and x, which indicates the mean degree of polymerization of the remainder G, represents a decimal number greater than 1 and less than or equal to 5, characterized in that the process includes at least one step a) of reacting a polyol of formula (A1): HO—CH2—(CHOH)n—CH2—OH, in which n is an integer equal to 2, 3 or 4, with a reducing sugar of formula (II): HO-G-H, in which G represents the remainder of a reducing sugar, in the presence of an acid catalyst (Ca), and in that the acid catalyst (Ca) is chosen from phosphorous acid, phosphoric acid and polyphosphoric acid.