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Polyurethane metal catalyst
Today we introduce several common metal catalysts for polyurethane, which areDibutyltin dilaurate, Stannous isooctate , Zinc isooctanoateandBismuth isooctanoate. Lead and mercury are currently rarely used due to environmental friendliness issues, and the price of mercury is also high.
Dibutyltin dilaurate, abbreviated as T12, was launched earlier by American Air. The viscosity of this catalyst is suitable and the toxicity is said to be a bit high. It is not only harmful to Gel catalysis also has a lot of catalytic effect on foaming, and has strong metallicity. The relevant data are as follows
is used in polyurethaneCASE and foaming materials. It is one of the more common varieties and is used by different manufacturers. The solvents or additives are different, and their main content is basically dibutyl dilaurate.Normal”>
ZR-70: Low odor catalyst for packaging foam and molded foam on vinyl skins. Good balance of foaming and gelling
ZR-40 (pentamethyldipropylenediamine): Particularly effective for cold molded high-resilience foams, low-odor gel and foaming catalyst with good balance
LE-310: Low odor reactive gel catalyst applied to large sponges, new lowVOC amine gel catalyst, amine content exceeds 95%
LE-530: Reactive gel catalyst, used in various polyurethane foam products
DPA: Low-odor gel catalyst, outstanding balance and versatility provide good fluidity
TAP 1-methyl-4-(2-dimethylaminoethyl)piperazine: Excellent trimerization catalyst that can improve fluidity
DMDEE (2,2′-dimorpholindiethyl ether): Strong foaming catalyst, providing stable prepolymer system
DMAEE: low-density full-water rigid foam and low-density semi-rigid foam
BDMAEE bis-(2-dimethylaminoethyl) ether：High-efficiency foaming catalyst
BDMA (N,N-dimethylbenzylamine)：Polyurethane rigid foam catalyst, epoxy accelerator
DMEA (N,N’-dimethylethanolamine): Neutralizes acids in some rigid foam systems,
PMDETA (pentamethyldiethylenetriamine): Particularly effective for HCFC/water foamed hard foam, similar to PC5
