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</script></div> </div> <div class="padding25"> <div class="newsview"> <div class="pb"><div class="pagebox"><div class="nei gun"> <div class="about-1"> 将无纺布和编织布埋在25cm厚的砂中,并加水使砂饱和,织物不受阳光直接照射。经过三年时间织物强度基本没有变化从上述试验可以看出太阳光紫外线辐射程度是织物老化的主要因素,也是工程防护措施和防老化措施的重点。<br /> <p> 当织物在相同条件下暴露在太阳光下时,其老化速度不同。丙纶和锦纶老化速度快,维纶、氯纶次之,腈纶和涤纶最慢。织物颜色不同时相比较,白色和浅色的织物老化快,黑色和深色织物老化速度相对慢一些。织物纤维细度不同时相比较,细纤维薄型织物其比表面积大,老化速度快,粗纤维厚型织物其比表面积小,老化速度较慢。温度是影响织物老化比较关键的因素。 </p> <p> 温度作用对高分子聚合物的破坏作用表现在两个方面:一是由于温度变化而直接破坏。因高温时可使织物纤维发生熔融现象,同时温度变化使聚合物分子结构发生变化改变织物性能。二是由于温度变化可加速其他因素引起的降解过程。 </p> <br /></div> </div> <p> </p> <div align="center"></div></div></div></div> <div class="main_r_nav"> <div>上一篇：<a href="newsshow-4-213-1.html">土工织物的抗碱老化</a></div><div>下一篇：<a href="newsshow-4-216-1.html">土工布的用途</a></div> </div> <a class="returnlist" title="返回列表" href="/news.php">【返回列表页】</a> </div> </div> </div> </div> </div> <div class="clear"></div> ?<div class="flink" > <div class="main"> <div class="title"> <span><font>城市</font>分站<em>Citys</em></span></div> <a target="_blank" title="榆林" href="/yulin/">榆林</a> <a target="_blank" title="延安" href="/yanan/">延安</a> <a target="_blank" title="商洛" href="/shangluo/">商洛</a> <a target="_blank" title="安康" href="/ankang/">安康</a> <a target="_blank" title="汉中" href="/hanzhong/">汉中</a> <a target="_blank" title="渭南" href="/weinan/">渭南</a> <a target="_blank" title="铜川" href="/tongchuan/">铜川</a> <a target="_blank" title="咸阳" href="/xianyang/">咸阳</a> <a target="_blank" title="宝鸡" href="/baoji/">宝鸡</a> <a target="_blank" title="西安" href="/xian/">西安</a> <a target="_blank" title="陕西" href="/shanxi/">陕西</a> <a target="_blank" title="临夏" href="/linxia/">临夏</a> <a target="_blank" title="甘南" href="/gannan/">甘南</a> <a target="_blank" title="庆阳" href="/qingyang/">庆阳</a> <a target="_blank" title="平凉" href="/pingliang/">平凉</a> <a target="_blank" title="陇南" href="/longnan/">陇南</a> <a target="_blank" title="定西" href="/dingxi/">定西</a> <a target="_blank" title="武威" href="/wuwei/">武威</a> <a target="_blank" title="张掖" href="/zhangye/">张掖</a> <a target="_blank" title="酒泉" href="/jiuquan/">酒泉</a> <a target="_blank" title="天水" href="/tianshui/">天水</a> <a target="_blank" title="白银" href="/baiyin/">白银</a> <a target="_blank" title="金昌" href="/jinchang/">金昌</a> <a target="_blank" title="嘉峪关" href="/jiayuguan/">嘉峪关</a> <a target="_blank" title="兰州" href="/lanzhou/">兰州</a> <a target="_blank" title="甘肃" href="/gansu/">甘肃</a> <a target="_blank" title="玉树" href="/yushu/">玉树</a> <a target="_blank" title="果洛" href="/guoluo/">果洛</a> <a target="_blank" title="海西" href="/haixi/">海西</a> <a target="_blank" title="海南" href="/hainan/">海南</a> <a target="_blank" title="黄南" href="/huangnan/">黄南</a> <a target="_blank" title="海北" href="/haibei/">海北</a> <a target="_blank" title="海东" href="/haidong/">海东</a> <a target="_blank" title="西宁" href="/xining/">西宁</a> <a target="_blank" title="青海" href="/qinghai/">青海</a> <a target="_blank" title="中卫" href="/zhongwei/">中卫</a> <a target="_blank" title="固原" href="/guyuan/">固原</a> <a target="_blank" title="吴忠" href="/wuzhong/">吴忠</a> <a target="_blank" title="石嘴山" href="/shizuishan/">石嘴山</a> <a target="_blank" title="银川" href="/yinchuan/">银川</a> <a target="_blank" title="宁夏" href="/ningxian/">宁夏</a> <a target="_blank" title="伊犁" href="/yili/">伊犁</a> <a target="_blank" title="博尔塔拉" href="/boertala/">博尔塔拉</a> <a target="_blank" title="昌吉" href="/changji/">昌吉</a> <a target="_blank" title="巴音郭楞" href="/bayinguoleng/">巴音郭楞</a> <a target="_blank" title="和田" href="/hetian/">和田</a> <a target="_blank" title="喀什" href="/kashi/">喀什</a> <a target="_blank" title="阿勒泰" href="/aletai/">阿勒泰</a> <a target="_blank" title="塔城" href="/tacheng/">塔城</a> <a target="_blank" title="阿克苏" href="/akesu/">阿克苏</a> </div> </div> <div class="foot"> <div class="main"> <a class="footlogo" title="德州森泰环?？萍加邢薰? href="http://www.baliresortkatra.com"><img alt=" 德州森泰环?？萍加邢薰?></a> <div class="foot_r"> 地址：山东德州陵县开发区电话：13153460216 <br> 版权所有：德州森泰环?？萍加邢薰?br> 技术支持：<a title=" 德州森泰环?？萍加邢薰? target="_blank" href="http://www.baliresortkatra.com"> 德州森泰环?？萍加邢薰?/a><a title=" 德州森泰环?？萍加邢薰? target="_blank" href="http://www.baliresortkatra.com">[森泰环保]</a> ICP备案编号：<a title="已备案" target="_blank" href="http://www.baliresortkatra.com/">已备案</a> </div> </div> </div> <a href="http://www.baliresortkatra.com/">lol下注官网</a> <script> (function(){ var bp = document.createElement('script'); 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