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1. A process for the preparation of a surfactant composition (C) comprising, per 100 mol %:
1) a proportion of greater than or equal to 10 mol % and of less than or equal to 50 mol % of a composition (CII) comprising, per 100 mol %: α) from 60 mol % to 100 mol % of a compound of formula (II): in which:R2 represents a linear or branched alkyl radical comprising 12 carbon atoms,T1 represents a hydrogen atom or a (—CH2—CH2—O—)m1—H radical in which m1 is an integer of greater than or equal to zero and less than or equal to ten,T2, which is identical to or different from T1, represents a hydrogen atom or a (—CH2—CH2—O—)m2—H radical in which m2 is an integer of greater than or equal to zero and less than or equal to ten, andT3, which is identical to or different from T1 and T2, represents a hydrogen atom or a (—CH2—CH2—O—)m3—H radical in which m3 is an integer of greater than or equal to zero and less than or equal to ten,wherein m1+m2+m3 is greater than 0 and less than or equal to ten; β) optionally up to 40 mol % of a compound of formula (II′): in which:
R′2 represents a linear or branched alkyl radical comprising 14 carbon atoms,T′1 represents a hydrogen atom or a (—CH2—CH2—O—)m1—H radical in which m1 is an integer of greater than or equal to zero and less than or equal to ten,T′2, which is identical to or different from T′1, represents a hydrogen atom or a (—CH2—CH2—O—)m2—H radical in which m2 is an integer of greater than or equal to zero and less than or equal to ten, andT′3, which is identical to or different from T′1 and T′2, represents a hydrogen atom or a (—CH2—CH2—O—)m3—H radical in which m3 is an integer of greater than or equal to zero and less than or equal to ten,wherein the sum m1+m2+m3 is greater than 0 and less than or equal to ten; and γ)—optionally up to 10 mol % of a compound of formula (II″): in which:
R″2 represents a linear or branched alkyl radical comprising 16 carbon atoms,T″1 represents a hydrogen atom or a (—CH2—CH2—O—)m1—H radical in which ml is an integer of greater than or equal to zero and less than or equal to ten,T″2, which is identical to or different from T″1, represents a hydrogen atom or a (—CH2—CH2—O—)m2—H radical in which m2 is an integer of greater than or equal to zero and less than or equal to ten, andT″3, which is identical to or different from T″1 and T″2, represents a hydrogen atom or a (—CH2—CH2—O—)m3—H radical in which m3 is an integer of greater than or equal to zero and less than or equal to ten,Wherein the sum m1+m2+m3 is greater than 0 and less than or equal to ten; 2) a proportion of greater than or equal to 50 mol % and of less than or equal to 90 mol % of a composition (CIII) comprising, per 100 mol %: α) from 60 mol % to 100 mol % of a compound of formula (III): or of its isomer of formula (IV): or of the mixture of these two isomers,in which formulae (III) and (IV):
R2 represents a linear or branched alkyl radical comprising 12 carbon atoms,T4 represents a hydrogen atom or a (—CH2—CH2—O—)m4—H radical in which m4 is an integer of greater than or equal to zero and less than or equal to ten,T5, which is identical to or different from T4, represents a hydrogen atom or a (—CH2—CH2—O—)m5—H radical in which m5 is an integer of greater than or equal to zero and less than or equal to ten,T6, which is identical to or different from T4 and T5, represents a hydrogen atom or a (—CH2—CH2—O—)m6—H radical in which m6 is an integer of greater than or equal to zero and less than or equal to ten,T7, which is identical to or different from T4, T5 and T6, represents a hydrogen atom or a (—CH2—CH2—O—)m7—H radical in which m7 is an integer of greater than or equal to zero and less than or equal to ten,wherein the sum m4+m5+m6+m7 is greater than 0 and less than or equal to ten; β) optionally up to 40 mol % of a compound of formula (III′): or of its isomer of formula (IV′): or of the mixture of these two isomers,in which formulae (III′) and (IV′):
R′2 represents a linear or branched alkyl radical comprising 14 carbon atoms,T′4 represents a hydrogen atom or a (—CH2—CH2—O—)m4—H radical in which m4 is an integer of greater than or equal to zero and less than or equal to ten,T′5, which is identical to or different from T′4, represents a hydrogen atom or a (—CH2—CH2—O—)m5—H radical in which m5 is an integer of greater than or equal to zero and less than or equal to ten,T′6, which is identical to or different from T′4 and T′5, represents a hydrogen atom or a (—CH2—CH2—O—)m6—H radical in which m6 is an integer of greater than or equal to zero and less than or equal to ten, andT′7, which is identical to or different from T′4, T′5 and T′6, represents a hydrogen atom or a (—CH2—CH2—O—)m7—H radical in which m7 is an integer of greater than or equal to zero and less than or equal to ten,wherein the sum m4+m5+m6+m7 is greater than 0 and less than or equal to ten; and γ) optionally up to 10 mol % of a compound of formula (III″): or of its isomer of formula (IV″): or of the mixture of these two isomers,in which formulae (III″) and (IV″):
R″2 represents a linear or branched alkyl radical comprising 16 carbon atoms,T″4 represents a hydrogen atom or a (—CH2—CH2—O—)m4—H radical in which m4 is an integer of greater than or equal to zero and less than or equal to ten,T″5, which is identical to or different from T″4, represents a hydrogen atom or a (—CH2—CH2—O—)m5—H radical in which m5 is an integer of greater than or equal to zero and less than or equal to ten,T″6, which is identical to or different from T″4 and T″5, represents a hydrogen atom or a (—CH2—CH2—O—)m6—H radical in which m6 is an integer of greater than or equal to zero and less than or equal to ten, andT″7, which is identical to or different from T″4, T″5 and T″6, represents a hydrogen atom or a (—CH2—CH2—O—)m7—H radical in which m7 is an integer of greater than or equal to zero and less than or equal to ten,wherein the sum m4+m5+m6+m7 is greater than 0 and less than or equal to ten,said process comprising the following successive stages:
a stage a) of reaction of a mixture of alcohols comprising, per 100 mol %:
from 60 mol % to 100 mol % of a compound of formula (VII),
R2-O—H (VII),in which R2 represents a linear or branched alkyl radical comprising 12 carbon atoms;optionally up to 40 mol % of a compound of formula (VII′):
R′2—O—H (VII′),in which R′2 represents a linear or branched alkyl radical comprising 14 carbon atoms, andoptionally up to 10 mol % of a compound of formula (VII″):
R″2—O—H (VII″),in which R″2 represents a linear or branched alkyl radical comprising 16 carbon atoms;with an excess of 3-(hydroxymethyl)-3-ethyloxetane of formula (VIII): in order to form a composition (C′) comprising: α) the compound of formula (IX): in which R2 is as defined above; β) optionally the compound of formula (IX′): in which R′2 is as defined above; γ) optionally the compound of formula (IX″): in which R″2 is as defined above; δ) the compound of formula (X): or its isomer of formula (XI): or a mixture of these two isomers; in which compounds of formulae (X) and (XI) R2 is as defined above; ε) optionally the compound of formula (X′): or its isomer of formula (XI′): or a mixture of these two isomers; in which compounds of formulae (X′) and (XI′) R′2 is as defined above;) ζ) optionally the compound of formula (X″): or its isomer of formula (XI″): or a mixture of these two isomers; in which compounds of formulae (X″) and (XI″) R″2 is as defined above; a stage b) of reaction of said composition (C′) with ethylene oxide of formula (XII): in order to form said surfactant composition (C) as defined above. |
