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高品质生活更加促进了国内聚氨酯制品的发展
聚氨酯制品本身有很多特点
制品在后熟化过程中其重量变化(物理、化学)是一个复杂的变化
在-NCO与OH发生反应时,由于位阻效率和其它原因的影响,不是所有的-NCO都能与OH反应,仍有部分游离NCO基存在。
在实际生产中,由于存在其它因素,重量变化也是不同的。
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6-24期:分享
![](https://upload.hicms.com.cn/article/2024/06/171918472787396.jpg)
复合夹芯板防火安全研究与防火法规
新型聚异氰脲酸酯硬质泡沫
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大事难事看担当,逆境顺境看襟度。
临喜临怒看涵养,群行群止看识见。
《格言联璧》
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