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1
異氰酸酯簡介
2
己二胺生產過程的副產品介紹
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孟烷二胺簡介
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胺值的測定方法
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三乙烯四胺
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二乙烯三胺
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聚醚胺簡介
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2024中國國際涂料展開展在即,立即登記參觀,與1,600+ 家參展商會面!
9
間苯二甲胺MXDA簡介
異氰酸酯簡介
Article source: home station Time:2025-04-09
聚氨酯是一種由異氰酸酯和多元醇、助劑等反應生產的高分子聚合物。
作為聚氨酯的核心原料,異氰酸酯分為二大類:芳香族異氰酯酯(代表品種是TDI和MDI),和脂肪族異氰酸酯(代表品種HDI、IPDA和HMDI)。
芳香族異氰酸酯需求巨大,全球用量達到了百萬噸級別。
脂肪族異氰酯酯用量稍少,還屬于十萬噸級別,其中HDI的用量較大。HDI除了原有的供應商萬華、科思創、康睿、東曹、旭華成,[敏感詞]一二年新和成和美瑞新材也新建了HDI產線。
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