Title (en)

POLYOL AND COMPLEX ESTERS FOR USE WITH, IN PARTICULAR, FLUORINATED REFRIGERANTS

Title (de)

POLYDE UND KOMPLEXE ESTER ZUR VERWENDUNG INSBESONDERE IN FLUORIMIERTEN KÜHLSCHMIERSTOFFEN

Title (fr)

ESTER DE POLYOL ET ESTERS COMPLEXES UTILISES EN PARTICULIER AVEC DES FRIGORIGENES FLUORES

Publication

EP 0973853 A1 20000126 (EN)

Application

EP 98913796 A 19980414

Priority

• FI 9800329 W 19980414
• FI 971548 A 19970411
• FI 971549 A 19970411
• FI 980730 A 19980331

Abstract (en)

[origin: WO9846706A1] The invention concerns a refrigerant composition which comprises a chlorine-free hydrofluorocarbon based refrigerant and, mixed with the refrigerant, a lubricant comprising a polyol ester. According to the invention the polyol ester comprises an ester of 3-hydroxy-2,2-dimethylpropyl-3-hydroxy-2,2-dimethylpropionate, the carboxylic acid residue of which is derived from a linear or branched C4...C18-carboxylic acid or an anhydride thereof, or it is derived from a mixture of linear or branched C4...C18-carboxylic acids or anhydrides thereof. The present invention also concerns novel complex ester of 3-hydroxy-2,2-dimethylpropyl-3-hydroxy-2,2-dimethylpropionate, which contain residues of mono- or bivalent carboxylic acids. The novel esters exhibit good solubility in fluorinated hydrocarbons and excellent lubricating properties.

IPC 1-7

C10M 105/42; C09K 5/04; C07C 69/67

IPC 8 full level

C07C 69/675 (2006.01); C09K 5/04 (2006.01); C10M 105/38 (2006.01); C10M 105/40 (2006.01); C10M 105/42 (2006.01); C10M 171/00 (2006.01)

CPC (source: EP)

C10M 105/38 (2013.01); C10M 105/42 (2013.01); C10M 171/008 (2013.01); C10M 2207/2805 (2013.01); C10M 2207/281 (2013.01); C10M 2207/282 (2013.01); C10M 2207/283 (2013.01); C10M 2207/2835 (2013.01); C10M 2207/286 (2013.01); C10M 2207/289 (2013.01); C10M 2207/30 (2013.01); C10M 2207/302 (2013.01); C10M 2207/3025 (2013.01); C10M 2207/304 (2013.01); C10M 2207/345 (2013.01); C10M 2211/022 (2013.01); C10M 2211/06 (2013.01); C10N 2040/00 (2013.01); C10N 2040/02 (2013.01); C10N 2040/30 (2013.01); C10N 2040/32 (2013.01); C10N 2040/34 (2013.01); C10N 2040/36 (2013.01); C10N 2040/38 (2020.05); C10N 2040/40 (2020.05); C10N 2040/42 (2020.05); C10N 2040/44 (2020.05); C10N 2040/50 (2020.05)

Citation (search report)

See references of WO 9846706A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9846706 A1 19981022; WO 9846706 A8 19990429; AU 6836198 A 19981111; EP 0973853 A1 20000126; FI 980730 A0 19980331; FI 980730 A 19981012; JP 2001526712 A 20011218

DOCDB simple family (application)

FI 9800329 W 19980414; AU 6836198 A 19980414; EP 98913796 A 19980414; FI 980730 A 19980331; JP 54352898 A 19980414