Nutritional spray microemulsion useful as biodegradation...

B - Operations – Transporting – 01 – F

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B01F 17/00 (2006.01) C09K 3/32 (2006.01) C12N 1/00 (2006.01)

Patent

CA 2341570

The invention concerns a microemulsion used as biodegradation accelerator, stable between -10 ·C and +50 ·C, containing nitrogenous compounds such as for example amino acids, proteins or urea and surfactant phosphorous compounds of the alkyl or alkenyl phosphoric ester type, and compounds selected among the group of vegetable or animal oils, or fatty acids, and a superplasticizer. Said emulsion is characterised in that it comprises 10 to 35 wt. % of a monoalkyl and/or dialkyl or a monoalkenyl and/or dialkenyl phosphoric ester comprising a number of carbon atoms per alkyl or alkenyl chain, less than 12, preferably ranging between 3 and 10, said ester further comprising 1 to 10 alkoxylated radicals, preferably ethoxylated and/or propoxylated, with 3 to 20 wt. % of at least a co-surfactant, and it has a viscosity at 5 ·C not more than 200 mPa's.

Microémulsion utilisée comme accélérateur de biodégradation, stable entre - 10°C et +50°C, contenant des composés azotés comme par exemple des aminoacides, des protéines ou de l'urée et de composés phosphorés tensioactifs de type ester phosphorique d'alkyle ou d'alkényle, et des composés choisis dans le groupe des huiles végétales ou animales, ou des acides gras, et d'un fluidifiant ladite microémulsion étant caractérisée en ce qu'elle comprend de 10 à 35 % en poids d'un tensioactif ester phosphorique mono et/ou dialkylé, ou mono et/ou dialkénylé comprenant un nombre d'atomes de carbone par chaîne alkyle ou alkényle, inférieur à 12, de préférence variant de 3 à 10, le dit ester comprenant en outre de 1 à 10 radicaux alkoxylés, de préférence éthoxylés et/ou propoxylés, avec de 3 à 20 % en poids d'au moins un co-tensioactif, et en ce qu'elle présente une viscosité à 5°C inférieure ou égale à 200 mPa.s.

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