人工氣候室對塑料老化試驗的研究

　　塑料在自然情況下的老化情況一直是人們所以關心與重視的一個課題，通過人工氣候室monibutonghuanjinglaiduisuliaolaohuaqingkuangjiuxingguanxifenxi，zhezhongxiangguanxingshejidaoyimonihejiasushiyanyijiziranqihoulaohuashiyanshoumingdeyuce，juyoushijiyingyongjiazhi。zaoqiyanjiuxiangguanxing，yeshijiaojiandandefangfa
，jizailiangzhongqihoutiaojianxiatongshijinxingshiyan

，qudadaotongyangxingnengzhongzhizhibiaodeshiyanshihe，zhaochuliangzhezhijiandexiangguanfangcheng。yilaohuashiyanshijianlaiqiuxiangguanxingsuizhiguandanyouquedian，yixuanquyinqisuliaoguanghuaxuejiangjiefanyingdeguangnenglianglaikaolvzejiaoweikexue。

　　近(jin)年(nian)來(lai)人(ren)們(men)考(kao)慮(lv)到(dao)聚(ju)合(he)物(wu)光(guang)化(hua)學(xue)降(jiang)解(jie)反(fan)應(ying)主(zhu)要(yao)由(you)太(tai)陽(yang)光(guang)中(zhong)的(de)紫(zi)外(wai)光(guang)所(suo)引(yin)起(qi)，在(zai)研(yan)究(jiu)相(xiang)關(guan)性(xing)時(shi)主(zhu)要(yao)考(kao)慮(lv)試(shi)樣(yang)所(suo)接(jie)受(shou)的(de)紫(zi)外(wai)光(guang)輻(fu)照(zhao)能(neng)，一(yi)些(xie)學(xue)者(zhe)進(jin)行(xing)了(le)這(zhe)方(fang)麵(mian)的(de)探(tan)索(suo)，如(ru)Nagatsuka
、Mareehal、Zerlaut、Davis等。

　　目mu前qian尚shang未wei見jian係xi統tong地di研yan究jiu聚ju烯xi烴ting這zhe一yi大da品pin種zhong塑su料liao的de相xiang關guan性xing的de報bao導dao。在zai相xiang關guan性xing研yan究jiu中zhong，紫zi外wai光guang能neng的de測ce定ding是shi很hen重zhong要yao的de。在zai國guo內nei我wo所suo的de光guang能neng測ce試shi條tiao件jian較jiao好hao，可ke較jiao準zhun確que地di測ce定ding戶hu外wai和he戶hu內nei的de紫zi外wai光guang輻fu照zhao能neng，這zhe些xie是shi開kai展zhan本ben工gong作zuo的de重zhong要yao條tiao件jian。此ci外wai選xuan擇ze戶hu外wai自zi然ran氣qi候hou老lao化hua試shi驗yan條tiao件jian和he氣qi候hou箱xiang及ji箱xiang內nei的de試shi驗yan條tiao件jian，選xuan擇ze終zhong止zhi指zhi標biao，亦yi都dou是shi重zhong要yao問wen題ti，要yao結jie合he具ju體ti試shi驗yan加jia以yi考kao慮lv和he探tan索suo。

　　以(yi)四(si)種(zhong)聚(ju)乙(yi)烯(xi)為(wei)對(dui)象(xiang)。按(an)國(guo)家(jia)標(biao)準(zhun)製(zhi)備(bei)試(shi)樣(yang)，取(qu)斷(duan)裂(lie)伸(shen)長(chang)率(lv)保(bao)持(chi)率(lv)為(wei)評(ping)價(jia)指(zhi)標(biao)，準(zhun)確(que)測(ce)定(ding)戶(hu)外(wai)和(he)氣(qi)候(hou)箱(xiang)內(nei)的(de)紫(zi)外(wai)光(guang)輻(fu)照(zhao)能(neng)，進(jin)行(xing)回(hui)歸(gui)分(fen)析(xi)，建(jian)立(li)回(hui)歸(gui)方(fang)程(cheng)，探(tan)索(suo)由(you)人(ren)工(gong)氣(qi)候(hou)老(lao)化(hua)試(shi)驗(yan)去(qu)預(yu)報(bao)戶(hu)外(wai)自(zi)然(ran)氣(qi)候(hou)老(lao)化(hua)試(shi)驗(yan)的(de)時(shi)間(jian)。