Title:
HEAT CURABLE EPOXY COMPOSITIONS
Document Type and Number:
WIPO Patent Application WO2000004075
Kind Code:
A3
Abstract:
Heat curable compositions comprising: (A) at least one compound which is capable of undergoing cationic polymerisation; (B) at least one quaternary ammonium salt of an aromatic-N-heterocyclic cation and of a non-nucleophilic anion; (C) at least one 1,1,2,2-substituted-1, 2-ethane-diol and/or a derivative thereof, and (D) optionally further additives; and wherein said component (C) is a compound of formula (I), wherein each of R1, R2 and R3 independently of the other is unsubstituted phenyl or has one of the meanings of R4; R4 is substituted phenyl optionally substituted alpha -naphthyl or beta -naphthyl, or an optionally substituted aromatic heterocyclic ring system or each of R1 and R2 and/or R3 and R4 independently of the other form a residue of formula (II), wherein each of R5 and R6 independently of the other is hydrogen or (C1-C4)alkyl; R7 is -(CH2)n- or -S- or -O-; and n is 0, 1, 2 or 3.
Inventors:
MAYER CARL WALTER (CH)
SREENIVASAN RAMASWAMI (IN)
DIVAKAR KIKKERI (IN)
SREENIVASAN RAMASWAMI (IN)
DIVAKAR KIKKERI (IN)
Application Number:
PCT/EP1999/004603
Publication Date:
April 20, 2000
Filing Date:
July 02, 1999
Export Citation:
Assignee:
CIBA SC HOLDING AG (CH)
MAYER CARL WALTER (CH)
SREENIVASAN RAMASWAMI (IN)
DIVAKAR KIKKERI (IN)
MAYER CARL WALTER (CH)
SREENIVASAN RAMASWAMI (IN)
DIVAKAR KIKKERI (IN)
International Classes:
C08G59/68; H05K3/28; (IPC1-7): C08G59/68
Foreign References:
| EP0813945A2 | 1997-12-29 | |||
| EP0673104A1 | 1995-09-20 | |||
| EP0066543A2 | 1982-12-08 |
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