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    December 13

    “马海毛”的笑话

    同事在做一个单子,原料用的是马海毛,事先没有去查相关的内容,所以供应商报价的时候就觉得很贵,

    问:“马海毛到底是什么东西这么贵?”

    答曰:“马海毛就是马的海毛。”

    同事一头雾水,问我们结果所有的人都在百度,想知道什么是马的海马。

     

    备注:

    真正的马海毛又名安哥拉山羊毛,是由山羊的绒毛和发毛梳纺而成的。它回弹性大,耐压,具有特殊光泽,是制造长毛绒的优良原料,并可与绵羊毛混纺生产成毛毯和羊绒大衣呢等。

    市售“马海毛”并非真正马海毛,而是化学纤维中的聚丙烯腈纤维(商名腈纶)。它是由丙烯腈单体聚合而成的高分子化合物,不易老化,绝热性能优良。经粗精梳纺加工,可以纺成表面多毛茸,纤维排列较乱的纱线。腈纶在染色前多经金属改性。染色时用一种特殊的腈纶染料,染料扩散渗入纤维内部。与纤维中的金属原子鳌合而固着于纤维上。因此,从纤维的耐晒坚牢度来看,腈纶的染色性能甚至优于纯毛,但其综合性能还是次于纯毛。腈纶有“人造羊毛”的俗称。单从外观、色浅、手感来区别真假马海毛,是不大可能的。

    最简单的鉴别方法是:取一段毛线用火柴点燃,观察其残留物。若系纯毛,则残留物成灰。吹之即散,且有特殊的毛发燃烧味;若系腈纶,则残留物呈黑块,触之发粘,且有臭味。

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