Relevant indicators and advantages of organic bismuth catalysts

The technical specifications of organic bismuth mainly include: sticky, colorless and transparent or slightly containing a small amount of white The precipitated water-soluble liquid has an active ingredient content of 13%.

The economic indicator of water-soluble organic bismuth means that through material accounting, almost all the input of materials can be converted into products. The cost of raw materials is 6 yuan per kilogram, similar to The product price in the market is about 60 yuan per kilogram, and the economic benefits are very considerable.

Organobismuth can replace tin, lead and mercury that are being abolished by legislation, and is safe, reliable and environmentally friendly. Organic bismuth has better hydrolysis resistance and stability, can reduce the selectivity of reaction with water, and can reduce side reactions between water and NCO groups in aqueous PU dispersions.

Organobismuth catalyst can be used alone or in combination with amines and other organometallic compounds. Organic bismuth packaging is generally 25KG/barrel or 200/barrel

Features:

Organobismuth catalyst can promote NCO /OH reaction to reduce the generation of CO2 and avoid NCO side reactions.

The organic bismuth catalyst can liberate the amine shielded by water in a one-component system, rather than promoting the reaction between NCO and water.

If bismuth and zinc are used in combination, there will be a synergistic effect, which can make the formulation and production more flexible, increase profits and reduce energy consumption.

Advantages:

1. The bismuth element of the organic bismuth catalyst is in the periodic table The heaviest stable element, belonging to Group 15, is the most metallic element in this group. Bismuth compounds have the advantages of environmental protection and safety, such as easy handling, low cost, low toxicity and low radioactivity.

2. The organic bismuth catalyst is a selective environmentally friendly polyurethane catalyst. Compared with tin catalysts, it has better selectivity for NCO groups, better mechanical properties of the final product, gradual increase in viscosity, and short induction time.

3.Organic bismuthCatalyst can be used in shoe sole solution, leather slurry, PU coating, PU adhesive, PU elastomer, PU sponge material, etc.