What does MDI mean?

MDI is the abbreviation of diphenylmethane diisocyanate.

Development history

From 2004 to 2006, he was selected as the most growth A-share blue-chip company in China edition of New Finance for three consecutive years.

In 2006, it was selected as "the most valuable listed company in 2005" by CCTV Economic Channel.

In 2007, it won the title of "Best Employer in China in 2007" and won the "First Prize of National Scientific and Technological Progress" with the project of "Development and Industrialization of Large-scale MDI Production Technology with an Annual Output of 200,000 tons".

In 2008, Ningbo Wanhua 65438+600,000 tons/year MDI Project was awarded as "National Environmental Friendly Project";

In 2009, the only national engineering technology research center in polyurethane industry officially settled in Wanhua Yantai;

In 2009, Ningbo Wanhua MDI project with an annual output of 6.5438+0.6 million tons won the "National Quality Project Gold Award";

20 10, "yantai wanhua science and technology innovation system project" won the second prize of national science and technology progress;

In 2009, 20 1 1, 20 13 and 20 15 won the "Hewitt Best Employer in China" award for four consecutive times (Hewitt employers select it every two years).

In August of 20 15, Wanhua Chemical ranked 82nd in the list of "Top 500 Chinese Manufacturing Enterprises in 20 15" sponsored by China Manufacturing Enterprises Association.

Extended data:

MDI is a polysemous word, including the following meanings: multi-document interface, diphenylmethane diisocyanate, media-related interface, media transmission quality index,? Model driven integration, pressure quantitative aerosol device, manual input program control mode, etc.

Diphenylmethane diisocyanate (MDI) can be divided into pure MDI and crude MDI. Pure MDI is a white solid at room temperature, which has a pungent smell when heated, and its boiling point is 196℃. It is mainly used in polyurethane rigid foam, synthetic fiber, synthetic rubber, synthetic leather, adhesive and so on. From its composition, pure diphenylmethane diisocyanate is also an organic compound containing nitrogen groups.

There is also the yellow 1, 6- hexamethylene diisocyanate (HDI).

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