EP 0115522 A4 19850228 - PROCESS FOR CONTROLLING GELATION AND CURE OF UNSATURATED RESINS.
Title (en)
PROCESS FOR CONTROLLING GELATION AND CURE OF UNSATURATED RESINS.
Title (de)
VERFAHREN ZUR KONTROLLE DES GELIERENS UND DES HÄRTENS UNGESÄTTIGTER HARZE.
Title (fr)
PROCEDE DE CONTROLE DE LA GELIFICATION ET DE LA POLYMERISATION DE RESINES NON-SATUREES.
Publication
Application
Priority
US 40681682 A 19820810
Abstract (en)
[origin: WO8400765A1] A process for controlling the gelation and cure rate of unsaturated resins useful for thermosettable compositions and laminates. A small amount of an enolizable beta-diketone such as 2,4-pentadione added to a vinyl ester of a polyglycidyl ether of a polyhydric compound, an unsaturated polyester or a mixture thereof contributes toward the control of the rates. Admixed with the enolizable beta-diketone and unsaturated resin is a peroxide selected from ketone peroxides, tertiary hydroperoxides or peroxyesters, and a redox reactive metal salt soluble in the curable resin such as cobalt naphthenate. The unsaturated resins have a pH greater than 5.7 measured as a 10 percent methanol solution. The mixture is maintained at a temperature less than 54oC to extend the nongelled state and then raised above 54oC to achieve acceleration of the cure rate.
IPC 1-7
IPC 8 full level
C08F 4/40 (2006.01); C08F 283/01 (2006.01); C08F 290/00 (2006.01); C08F 299/00 (2006.01); C08F 299/02 (2006.01); C08F 299/04 (2006.01)
CPC (source: EP)
C08F 299/026 (2013.01); C08F 299/0442 (2013.01)
Citation (search report)
[A] EP 0030050 A1 19810610 - SYNRES INTERNATIONAAL NV [NL]
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 8400765 A1 19840301; AU 1888883 A 19840307; EP 0115522 A1 19840815; EP 0115522 A4 19850228; JP H0153964 B2 19891116; JP S59501511 A 19840823
DOCDB simple family (application)
US 8301191 W 19830803; AU 1888883 A 19830803; EP 83902670 A 19830803; JP 50275683 A 19830803