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1. (WO2018200336) UNSATURATED POLYESTER RESIN SYSTEM FOR CURED IN-PLACE PIPING

Pub. No.:    WO/2018/200336    International Application No.:    PCT/US2018/028633
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Sat Apr 21 01:59:59 CEST 2018
IPC: C08L 67/06
F16L 1/00
Applicants: INTERPLASTIC CORPORATION
Inventors: HAZEN, Benjamin R.
HERZOG, David J.
ROSS, Louis R.
WEBER, Joel R.
Title: UNSATURATED POLYESTER RESIN SYSTEM FOR CURED IN-PLACE PIPING
Abstract:
A process to use an unsaturated polyester resin system comprising preparing a curable cumene-quat curing system. The cumene-quat curing system can comprise an unsaturated polyester resin, a peroxide initiator, a quaternary ammonium salt component, a 2,4-pentanedione component, and an inhibitor component. The peroxide initiator can comprise a cumene hydroperoxide component. The process can further comprise applying the curable cumene-quat curing system in a cured-in-place pipe rehabilitation process.