Heat stable emulsions

B - Operations – Transporting – 01 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

B01F 17/52 (2006.01) B01F 17/00 (2006.01) C08F 293/00 (2006.01) C08L 53/00 (2006.01) C08L 53/02 (2006.01) C10L 1/18 (2006.01) C10L 1/32 (2006.01)

Patent

CA 2299424

Emulsions containing a hydrocarbon liquid in a continuous phase and alcohol and/or water in a dispersed phase. The emulsions are stabilised by an emulsifier and a coupling agent. The emulsifier is a copolymer containing at least one relatively hydrophobic polymeric block of styrene or ring substituted styrene monomer, and at least one relatively hydrophilic polymeric block of at least one monomer, such as ethylene oxide, selected from the group having the formula H(O-R)nOH where R is an aliphatic radical containing from 1 to 4 carbon atoms and n is a number between 20 and 300. The coupling agent is a copolymer containing at least one polymeric block of styrene or ring substituted styrene monomer, and at least one block being of a saturated or unsaturated aliphatic hydrocarbon moiety, such as butadiene. In order to stabilise the emulsion against stratification or breakage under heat soak conditions the coupling agent contains the styrene monomer and the hydrocarbon moiety in a weight ratio of from 1:0.3 to 1:1.

L'invention concerne des émulsions contenant un liquide hydrocarbure en phase continue et de l'alcool et/ou de l'eau en phase dispersée. On stabilise ces émulsions à l'aide d'un émulsifiant et d'un agent de couplage. L'émulsifiant est un copolymère contenant au moins un bloc polymère de styrène relativement hydrophobe, ou un monomère de styrène à substitution dans le noyau, ainsi qu'au moins un bloc polymère relativement hydrophile d'au moins un monomère, comme de l'oxyde d'éthylène, choisi dans le groupe correspondant à la formule H(O-R)¿n?OH où R représente un radical aliphatique contenant 1 à 4 atomes de carbone et n est un nombre compris entre 20 et 300. L'agent de couplage est un copolymère contenant au moins un bloc polymère de styrène, ou un monomère de styrène à substitution dans le noyau, ainsi qu'au moins un bloc d'une fraction hydrocarbure aliphatique saturée ou non, comme du butadiène. De manière à stabiliser l'émulsion pour empêcher sa stratification ou sa rupture, sous l'effet d'échanges thermiques, l'agent de couplage contient le monomère de styrène et la fraction d'hydrocarbure, selon un rapport pondéral de l'ordre de 1/0,3 à 1/1.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Heat stable emulsions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Heat stable emulsions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat stable emulsions will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1880493

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.