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class="description margin-top"> <div class="right"> <div class="detail7"> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">化學工業</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　用于生產聚甲醛（POM）。一般，甲醛溶液（55%）需經濃縮至75%以上，進行一步聚合反應，生成三聚甲醛，然后以三聚甲醛為反應單體，加入適量二氧五環作為共聚單體，進行二步聚合反應，得到長鏈聚甲醛，通過加入終止劑（羧酸等），通過封閉鏈端結束反應。經過精加工得到聚甲醛塑料顆粒。</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　聚甲醛又稱“賽鋼”，因其性能優良，在工業機械、汽車制造、電子電器等諸多工業領域都有著廣泛應用。隨著技術發展，POM的性能仍在進一步提高，美國杜邦、日本寶理、中國藍星集團、神華集團、云天化集團都在該領域投入研究，整個POM產業在未來會有很大發展空間。</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　木材工業</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　用于生產脲醛樹脂及酚醛樹脂.由甲醛與尿素按一定摩爾比混合進行反應生成脲醛樹脂。由甲醛與苯酚按一定摩爾比混合進行反應生成酚醛樹脂。甲醛在木材加工業中不可替代的位置正在被MDI膠取代。</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　紡織產業</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　服裝的面料生產，為了達到防皺、防縮、阻燃等作用，或為了保持印花、染色的耐久性，或為了改善手感，就需在助劑中添加甲醛。用甲醛印染助劑比較多的是純棉紡織品，因為純棉紡織品容易起皺，使用含甲醛的助劑能提高棉布的硬挺度。</span><br style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;" /> <span style="color: rgb(83, 83, 83); font-family: 微軟雅黑; font-size: 14px;">　　35%～40%的甲醛水溶液俗稱福爾馬林，具有防腐殺菌性能，可用來浸制生物標本，給種子消毒等但是由于使蛋白質變性的原因易使標本變脆。</span> </div> </div>  <div class="shares margin-big-bottom margin-top"> <div class="jiathis"> <div class="bshare-custom"> <div class="bsPromo bsPromo2"></div> <a rel="nofollow" title="分享到QQ空間" 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