<h1 class="ykp-label label-newq" title="發問中"><font size="4">有什麼材料能像是保麗龍一樣又輕又大又便宜又能一下子作到大量?</font></h1> <div class="info"> <div class="photo"> <font size="4"><a href="http://tw.knowledge.yahoo.com/my/my?show=AC08316265"> </a></font> </div> <table> <tbody><tr> <th><font size="4">發問者:</font></th> <td colspan="5"> <font size="4"><a href="http://tw.knowledge.yahoo.com/my/my?show=AC08316265">Chinghung</a> <ins>( 初學者 5 級)</ins></font> </td> </tr> <tr> <th><font size="4">發問時間:</font></th> <td colspan="5"><font size="4">2012-11-14 20:04:25<strong></strong></font> </td> </tr> </tbody></table> <font size="4"><span class="side"> <div class="aid"> <span class="report"><br></span> </div> </span></font> </div> <div class="info"> <div class="rte-wrapper"> <div class="main breakfix"> <div><font size="4"> 像主題一樣<br><br>有什麼<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="材料">材料</a>能像<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="保麗龍">保麗龍</a>一樣<br> <br>能一下子讓<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="物體">物體</a>變大又能作出我想要作出的四<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="方體">方體</a><br> <br>大約要900立方公尺那樣大量<br><br><a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="價錢">價錢</a>又能便宜<br><br><a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="建築工地">建築工地</a>要用的<br> <br></font> </div> </div> </div><font size="4"><br><br></font><table> <tbody><tr> <th><font size="4">回答者:</font></th> <td> <font size="4"><a href="http://tw.knowledge.yahoo.com/my/my?show=HA00639401">9W2HL</a> <ins>( 博士級 1 級 ) </ins></font></td> </tr> <tr> <th><font size="4">擅長領域:</font></th> <td><font size="4"> 工程學 | 物理 </font></td> </tr> <tr> <th><font size="4">回答時間:</font></th> <td><font size="4"><span class="time">2012-11-15 00:17:15</span></font></td> </tr> </tbody></table> <div class="aid"> <font size="4"><span class="report"></span></font> </div> <div class="medal"> <div class="medal2"> <div class="medal3"> </div> </div> </div> </div> <font style="color:rgb(0,0,255);font-family:DFKai-sb;background-color:transparent" size="4">要作出的四<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="方體">方體</a>需要<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="模具">模具</a>,模具可以用<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="三夾板">三夾板</a>來自己釘,然後模具還要上漆,再在漆面凃一層蠟,這就是模具。<br> <br>然後用<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="製造">製造</a><a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="聚氨基甲酸乙酯">聚氨基甲酸乙酯</a>既<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="材料">材料</a>(黑白藥水)參合後就會變成<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="聚胺酯 Polyurethane">聚胺酯 Polyurethane</a>一般<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="縮寫">縮寫</a>為PU,在日常生活領域<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="聚氨酯">聚氨酯</a>被用來製造各種泡沫和塑料海綿。<br> <br><img src="http://img.nauticexpo.com/images_ne/photo-m2/polyurethane-foams-21895-458003.jpg"><br><img src="http://www.hometrainingtools.com/images/265/KT-ISPOLYF.jpg"><br><img id="scoped_50a3c40b81bb9largerimage" src="http://cdnll.hometrainingtools.com/images/650/KT-ISPOLYF.jpg"><br> <br><br><br><img src="http://img.ehowcdn.com/article-new/ehow/images/a07/cv/3o/use-urethane-foam-boats-800x800.jpg"><br><br>多量生産的大型設備<br><br><img src="http://image.made-in-china.com/43f34j00rvNaRcTnZbkZ/Polyurethane-Foam-Injection-Machine.jpg"><br> <br>還有<a href="http://tw.knowledge.yahoo.com/question/question?qid=1012111406687#" class="liveword" title="催化劑">催化劑</a>使到它發泡時更加均勻<br><br><br><br><br><br><br><br><br><br></font>