摘要:
The subject matter of the invention is the use a composition (C) represented by formula (I): Ri-O-(G)p-H (I) in which G is a reducing sugar residue, Ri is a heptyl radical and p is a decimal number greater than 1, and less than or equal to 5, wherein said composition (C) consists of a mixture of compounds represented by the formulae (h), (l2), (l3), (U) and (l5): RrO-(G)i-H (h), RrO-(G)2-H (l2), RrO-(G)3-H (l3), RrO-(G)4-H (l4), RrO-(G)5-H (l5), in the respective molar proportions ai, a2, a3, a4 and a5, such that: the sum ai+ a2 + a3 + a4 + a5 is equal to 1 and that the sum ai + 2a2 + 3a3 + 4a4 + 5a5 is equal to p, as an agent for solubiliZing at least one non-ionic surfactant of formula (II): R-(O-CH(R')-CH 2 ) n -(O-CH 2 -CH 2 ) m -O-H (II), in which R is an aliphatic radical containing from 8 to 14 carbon atoms, R' is a methyl or ethyl radical, n is greater or equal to 0 and less than or equal to 15, m is greater than or equal to 0 and less than or equal to 15, it being understood that the sum n + m is greater than zero, in an aqueous acidic composition. The subject matter of the invention is also the compositions (Ci) comprising, for 100% of the weight thereof, from 0.2% to 40% by weight of at least one composition represented by formula (I); and from 0.2% to 80% by weight of at least one non-ionic surfactant of formula (II), and the use thereof for cleaning hard surfaces.
摘要:
The invention relates to a compound having Formula (I), nC 7 -H 15 -O-(G) p -H (I), where G is the residue of a reducing sugar, and p is a decimal number greater than or equal to 1.05 and less than or equal to 5. The invention also relates to the method for preparing same and to the use thereof as a hydrotropic surfactant, said use being to make soluble, in an aqueous alkaline composition, at least one non-ionic surfactant having Formula (II), R-(O-CH(R')-CH2)n-(0-CH2-CH2)m-0-H (II), where R is a straight or branched, saturated or unsaturated aliphatic hydrocarbon radical comprising 8 to 14 carbon atoms, R' is a methyl or ethyl radical, n is a whole number no less than 0 and no more than 15, and m is a whole number no less than 0 and no more than 15, assuming that the sum n + m is greater than 0. The invention also relates to the compositions (C1) containing 0.5% to 20% of compounds of Formula (I), 0.5% to 80% of compounds of Formula (II), 10 wt % to 50 wt % of at least one alkaline agent, 15 wt % to 89 wt % of water, and optionally, 10 wt % to 50 wt % of at least one anti-limescale agent. The invention moreover relates to the use of said compositions for cleaning hard surfaces.
摘要:
The invention relates to a novel composition made of polyalkoxylated derivatives of trimethylolpropane and fatty alcohols, said composition lending itself to the preparation thereof and to the use thereof as a reversing agent for a reversible reverse latex.
摘要:
The invention relates to a vaccine adjuvant which, based on the 100% mass thereof, comprises between 10% and 95% of a mineral oil containing: between 0.05 mass-% and 10 mass-% hydrocarbon chains having less than 16 carbon atoms, and between 0.05 mass-% and 5 mass-% hydrocarbon chains having more than 28 carbon atoms. In addition, said adjuvant has a P/N ratio, corresponding to the ratio of the mass quantity of the paraffinic hydrocarbon chains to the mass quantity of the naphthenic hydrocarbon chains, of between 2.8 and 2.9, preferably approximately equal to 2.85.
摘要:
The invention concerns a method for treating porous and permeable underground formations or cavities, of the reservoir rock or backfill type. The method consists in injecting a liquid composition comprising microgels into the formations so as to reduce production of water, gas or sand, and/or zone abandonment.
摘要:
The invention relates to the continuous aqueous-phase synthesis of an N-acylated compound including a unit (M1) of the formula (I) in which n is 0, 1 or 2 and R1 is an aliphatic radical, wherein said synthesis comprises: the step A of reacting a compound including a unit (M2) of the formula (II), in which M is an alkaline metal atom, with a halide acid of the formula (IV): formula (III) in which X is a halogen atom, in an aqueous solution and at a pH higher than 7 in order to form a N-acylated compound including a unit (M3) of the formula (IV); the step B of hydrolysing, at a pH lower than 7, the N-acylated compound including at least one unit (M3) and obtained during the step A, in order to form the N-acylated compound including a unit (M1); characterised in that the step A is carried out by continuously contacting in time a flow at a flow rate d1 of said halide acid of the formula (IV), a flow at a flow rate d2 of said compound including at least one unit (M2) or a mixture of compounds including at least one unit (M2), and a flow at a flow rate d3 of the alkaline aqueous solution, while maintaining the molar ratio between the acid halide of the formula (IV) and the compound including at least one unit (M2) lower than 1 and higher than or equal to 0.75, and while maintaining the pH of the medium lower than or equal to 9.5 and higher than or equal to 8. The invention also relates to equipment for implementing said method.
摘要:
Process for the preparation of a an inverse latex comprising from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the said polyelectrolyte is a copolymer of 2- acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, said production process comprising the control of the pH in the initial aqueous phase; Cosmetic, dermopharmaceutical or pharmaceutical composition comprising the inverse latex directly obtained by said process.
摘要:
Process for the preparation of a composition comprising an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex comprising from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the said polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, said production process being characterized in that the preparation of said aqueous phase comprises the dissolution in the aqueous medium of solid 2-acrylamido- 2-methyl propanesulfonic acid before neutralization. Cosmetic, dermopharmaceutical or pharmaceutical composition comprising the inverse latex directly obtained by said process.