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全部资讯   / 对织物上甲醛的含量有哪些规定?助剂中哪些品种能产生游离甲醛?

对织物上甲醛的含量有哪些规定?助剂中哪些品种能产生游离甲醛?

2013-01-08 15:57:13

<p><br></p><section class="_135editor" data-role="paragraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">  答 自从甲醛被报道对人体皮肤有刺激作用以及能导致过敏性皮炎等影响人体健康以来,各国政府都限制或制订甲醛在织物上的含量,如日本和德国生态纺织品标准均规定为:儿童服装甲醛不超过20mg/kg,靠近皮肤的服装为75mg/kg,其他服装为300mg/kg,我国TJ36—79标准中规定,甲醛最高允许浓度在居民区为0.05mg/m3,印染车间为3mg/m3。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">  助剂中能产生游离甲醛的品种甚多,如柔软剂s一1、HRQ、TR、Ms一80、MS20、DTD等均为硬脂酰胺与甲醛反应物,并由于柔软剂处理后一般不经水洗,因此残留在织物上的甲醛量较多。树脂整理剂如MF树脂、DMEU树脂、2D树脂、TMM树脂、HMM树脂等在制造过程中都与甲醛反应,仅甲醛的含量多少而已。固色剂Y、M是双氰胺与甲醛的缩合物,含醛量较高。阻燃剂THPC,为四羟甲基氯化磷,由磷与甲醛、盐酸反应,虽阻燃效果好,但甲醛含量高,同时在可逆分解反应时生成甲醛与盐酸及致癌性的双氯甲醚。防水剂AEG、703等均由醚化六羟甲基三聚氰胺等反应而成,理应含有甲醛。防水剂FTC、FTG、MDT,分散剂N、NNO及部分自交联黏合剂MY、RF等都含有甲醛,这些产晶有的已禁用,有的已改为非甲醛产品,有的正在改进。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>

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