Fomrez UL-1 catalyst
Dibutyltin mercaptide
GE Silicones - OSi Specialties
催化剂/加速剂 >> 有机金属
Catalyst / Accelerator >> Organometallic
聚亚安酯
Polyurethane
Dibutyltin Mercaptide catalyst provides urethane manufacturers and systems suppliers with important new advantages over dibutyltin dilaurate (DBTDL) for preparation of many different types of urethane applications.
An important feature of this catalyst is its relatively high
resistance to hydrolysis. Urethane foam systems formulated with
Fomrez UL-1 catalyst have been shown to remain compatible
and retain their activity for periods of up to four weeks. This
extended shelf life is important, since it enables preparation of
larger batches for use over longer periods of time.
Use of catalyst in place of DBTDL for pour-in-place applications can allow reduction of amine co-catalyst content to achieve desired longer cream time without increase in tack free and demold times. Delayed cream time helps to insure proper filling of mold cavities before the onset of foam formation. A shorter demold time is desirable to preserve the useful life of molds constructed of silicone rubber.
Reduction of the amine catalyst level in DBTDL/amine co-catalyst
systems generally increases not only cream time but also tack
free and demold times.
Dibutyltin mercaptide catalyst. Used for preparation of many different types of urethane applications. Provides relatively high resistance to hydrolysis. Allows reduction of amine co-catalyst content to achieve desired longer cream time without increase in tack free and demold times.