diisocyanate


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diisocyanate

(dī-ī″sō-sī′ăn-āt″)
Any of a group of low molecular weight compounds used to manufacture polyurethanes in paints, varnishes, and other industrial applications. Diiosocyanates are a common cause of occupational asthma.
References in periodicals archive ?
Specialty chemicals company LANXESS is well prepared for the planned EU restriction on diisocyanates. With its Low Free (LF) technology, polyurethane (PU) prepolymers can be produced that contain less than 0.1 percent by weight of free isocyanate monomer.
Methylene Diphenyl Diisocyanate Market Analysis by Regions: Each geographical region is analyzed as Sales, Methylene Diphenyl Diisocyanate Market Share (%) by Types & Applications, Production, Consumption, Imports & Exports Analysis, and Consumption Forecast.
Preventing asthma and death from diisocyanate exposure.
* Poly(toluene diisocyanate) (CAS Number: 9017-01-0)
CPI adds that the "interactive tool is in a convenient spreadsheet format allowing users to easily import data and print helpful reports and is available free of charge on CPI's website." CPI also offers a similar program for MDI under the "diisocyanates" category, and CPI offers program users support to help answer questions regarding MDI, PMDI, TDI, or TRI reporting.
The material is crosslinked with hexamethylene diisocyanate (HMDI) under a proprietary process that provides high biocompatibility, in-growth and durability in challenging surgical situations.
first reported thermotropic liquid crystalline polyurethanes (LCPUs) that were prepared by polyaddition reaction of 3,3'-dimethyl-4,4'-biphenyldiyl diisocyanate and [alpha],[omega]-alkanediols [1], LCPUs have been studied for their potential application as high-strength fibers and plastics [2-8].
"Isocyanates" refers to diisocyanate monomers (two NCO groups) and their related polyisocyanates, which have similar health effects (Bello et al.
The deal will lead to Permira expanding its existing plastics ingredients production interests, with Borsod-Chem making plastics and ingredients, notably polyvinyl chloride resin; polyvinyl chloride compounds; polyvinyl chloride end products; toluene diisocyanate; methylene diphenyl diisocyanate; caustic soda; and some related substances.
The first quantities of dicyclohexyl-methane diisocyanate (Vestanat [H.sub.12]MDI) began flowing into the tank now," said project manager Dr.
Traditional polyurethane foam used for surfboards has the ideal strength-to-weight ratio, but contains the prohibited chemical TDI (toluene diisocyanate).
The former, a mixed-isomer toluene diisocyanate used in the manufacture of flexible foams.