Used for production of isocyanate polyurethane production

Polymerization of isocyanate and polyurethane production control

Polyurethane (PU) can be used to make many different items, such as paint, liquid coating, synthetic rubber, insulators, elastomer, foam and the whole skin.

Polyurethane (pu) composed of diisocyanate and polyols polymerization.

Used in the production of polyurethane (PU) is one of the most commonly used isocyanate methylene diphenyl diisocyanate (MDI) and toluene diisocyanate (TDI).If you pay attention to color and transparency, can use aliphatic diisocyanate, such as the six methylene diisocyanate (HDI).

Visa K - PATENTS^®Online refractometer for isocyanate and polyurethane (PU) in the production of the refractive index of different applications to provide accurate and reliable measurement.

For example, on-line refractometer to continuous monitoring in situ polymerization process.This will help to determine the reaction degree and the finish.

Using refractometer can be another key task is to measure after reaction and purification steps isocyanate MDI, toluene diisocyanate (TDI), six methylene diisocyanate (HDI) concentration.This can ensure that the correct concentration of liquid into the polyurethane (pu) process.

In situ online refractometer can also monitor and control the feeding catalyst or the concentration of recovered solvents.

Read the application instructions, detailed understanding of isocyanate and polyurethane (PU) measurement in production.

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