Page 196 - 《精细化工》2022年第6期

·1262· 精细化工 FINE CHEMICALS
a—样品 C-0；b—样品 C-1；c—样品 C-2；d—样品 C-3；e—样
品 C-4
图 6 整理前后机织羊毛织物残炭的 SEM 图
Fig. 6 SEM images of carbon residue before and after
finishing of woven wool fabrics
3 结论
（1）采用浸轧-焙烘方法，在精仿机织羊毛织物
表面构建了 PA/P(GMA-co-FHBMA)-g-PEGMA/FK
阻燃涂层。与未整理机织羊毛织物相比，PA/P(GMA-
co-FHBMA)-g-PEGMA/FK 整理机织羊毛织物表面
变得粗糙，FTIR 谱图中出现了 β-折叠构象的 C—H、
P—O、C—F 键等特征吸收峰，表明 PA/P(GMA-co-
FHBMA)-g-PEGMA/FK 阻燃涂层成功构建在机织
羊毛织物表面。
（2）PA/P(GMA-co-FHBMA)-g-PEGMA/FK 阻
燃涂层可以明显改善机织羊毛织物阻燃性能，整理
后样品 C-3 的 LOI 可提高至 32.5%±0.2%，损毁长度
为 96 mm，续燃时间降低。阻燃整理后机织羊毛织
物的物理力学性能测试结果表明 ，
PA/P(GMA-co-FHBMA)-g-PEGMA/FK 阻燃整理对
机织羊毛织物断裂强力和手感影响较小。
（3）PA/FK 阻燃整理后机织羊毛织物（C-1）
经过 10 次水洗后，其阻燃性能明显丧失；样品 C-3
在经过 15 次水洗后的 LOI 为 27.3%±0.2%，表明
P(GMA-co-FHBMA)-g-PEGMA 的引入可以提高阻
燃机织羊毛织物阻燃耐久性。
（4）TG 结果表明，PA/P(GMA-co-FHBMA)-g-
PEGMA/FK 阻燃整理会使机织羊毛织物起始热分解
温度降 低， PA/P(GMA-co-FHBMA)-g-PEGMA/FK
可以促进机织羊毛织物形成稳定的炭，在 800 ℃时，
样品 C-3 的残炭量由 C-0 的 0 提高至 12.5%。残炭
的 SEM 测试 表明 ， PA/P(GMA-co-FHBMA)-g-
PEGMA/FK 可在机织羊毛织物表面形成致密性的炭
层，从而提高机织羊毛织物的阻燃性能。
P(GMA-co-FHBMA)-g-PEGMA 和 PA/FK 可以
增强机织羊毛织物的阻燃耐久性能。本课题组将进
一步改进 PA/FK 的结合方式，制备系列生物质阻燃
剂，以期在得到更好阻燃效果和耐久性的同时，减
少阻燃剂对机织羊毛织物白度的降低。
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