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PVCͲ䷽еҪPVCͲPVCӲƷҪƷ֮һռPVC֬22.9%ÿƽ7%ϵٶһģͲҹ390ң280֣2003150֣130֣Ԥ2005гﵽ150160֡ PVCͲҪŴԲԸмߵҪͬʱҲ൱ҪPVCӲƷڸҪIJƷ PVC䷽ϵ趨ѡȡDZ֤PVCͲƷʵҪأ䷽гȶϵϵ⣬ϵͲĵļӹܼƷۺָ궼кܴӰ졣٣ҪȴױӣPVCͲļӹ̺ƷĺܶȱݣѡȡйϵˣPVCͲ䷽оʮҪá 1.ķû ûɽΪࡣָھۺ֮ʹۺ֮ĦСָھۺǰʹӾۺ֮;ۺ֮Ħٵ ûӰõضҸӣܸһ㾭һҪ˵ 1.1 ڲܻ PVCԣܼΪͬһʣͬļԽϵ̼͡ϳܼͬȣPVC͡PVCԵͣһԣֻܼһۺķ֮䣬ʹۺڱʱ֮תͬʱֲڹֽ;ۺIJ¶ȣTg 1.2 ֬ıڼӹеģߵıγӲ㡣ӲĴڶγ棬֬ӹе֮ĦĤճȺЧȡ۵ͼӹ¶ȡһ˵̼ڸʹĦԶ룬иЧ 2. Ӱ 2.1 PVCԵӰġܻʮӰ죬ַɢ֬ϣʹĦ٣÷ʽƳӵľ۽ۻ谭ۺεɢ෴ַɢܼãܴٽۻ̡һڡܣõĴСƷֶ졣ѡĻԭ跨õܿƵۻʡ ϵPVCUܻʵЧõķҲPVCUӹʱʹҪԭ֮һͨٶԽճԼĦӳܻʱ䡣øPVC˾ۺӼھٽۻ̣ʹճȽͣӡ һʹ¶Ƚͨ͡ⲿСӼЧܣǼСճȣȻҲܼСĦ ѣһΪǾеԵľۺ巢Ľܹͬͨƽпơ 2.2ȶ һ㣬ܽͼӹʱ£ԶȶԻõáȷ˵ijЩ;ȶԵĹܣijЩ͵ϼãһЩȶá 2.3ɻϵ GuimonָӰPVCǿٻʱѹʵ̶ȼյıܶȺ̶ȡ˫ݸ˼ʱˡΪ伷ɻϵıܶȳȣͬʱڼۻ٣Լϸߡ 2.4ѧ Ӱǿȡ쳤ʺͳǿȵѧܡͲѧܵӰҪͲĵĺǿȺ͵³ܡƷ³Ӱ죬ҪͨƷܻЧӰ췴ӳ̶ܻԽã³ǿԽߡڳֱ֤ܻǰ£ӣǿмСơʵʱǿȽϲҾнϺõ͵䴸ǿȡ֮ʱǿȽϺö͵䴸ǿȽϲ 2.5ȱ¶ Ϊһ۵ϵͣijЩҺ壬ЩʼӲPVCһ壬PVCϵIJ¶ȣTgӰ죬ʹȱ¶Ƚ͡ 2.6 һ˵ļԻԽǿԽ¶ԽߣԽʺصĵ߾Ե⣬ҲӰ졣ԽϴɼСһĿЧ 2.7 PVCе͵ԣܹǨƣӰPVCϵıԡķ˵ijЩʹPVCлͿճܡʹùʱϡճѹƺӡˢѣ⣬Ӱ츨ܼԺԡPVCͲϵѡúͻֱ֤ϵܻȣʹͲıϼѡӰͲĵĺǿȡ 2.8. ԳƷۣɫȵҲһӰ죬ͬϵܻʹͬϲͬɫЧPVCͲģڱ֤ܻ£߱ȣƷȱݣϳְƺ˵ĺۼģ࣬ʹͲıֻ۵ȡ 3.ѡԭӦע ƷУܶػӰãۺࡢۺϷͷӹеӹӼ֮ӰȡѡʱӦۺϿǣͬʱҪƷҪܡ PVCͲ䷽ͶȻ٣ͲĵļӹӰܴγַϵãϴ̶ϵѡƥ䣬ѡӦѭԭ (1) Ҫע䷽ϵƽ⣬ӦǰڡڡڸζԵҪﵽƽһԺͳԡ⻬࣬ٶȿ죬ܻãڻܻ࣬ϺáãʹŤƫ㣬ᵼݸ˾ΡѹΡģ㣬ϼоңӰͲĵıܣصĻɷֽ⡣һ۵ͼӹ¶Ƚж䷽гڡںͺڵԡ (2)ŨӦάСڣȻ䷽окȶͬҪĵλԽԽãƽ⣬һڵƽ⣬ΪPVC֬IJԣؼPVCϵӰ졣ֵļӹԼȶйص,ԼƷȱݣԴɵġ (3)ѡʱҪע䷽ȶӹԼϵȶõĹӰ졣ϵƽ⣬֮ļƽ⣬䷽ϵƽ⡣ͬȶϵ䷽Ҫͬ䷽зӵҲͬǦȶϵPVC䷽УļPVCãлȶϵ仯лáйױϡȶϡԪصṹʹЭЧӦԣʹPVCɼܻʱ䣬ԡ ⣬PVCͲ䷽ƺ͵УѡʱӦע⣺ (1)עӹ¶ȶõӰ졣ⲿõĤճȺЧȡ۵ͼӹ¶ȣ۵ӽڼӹ¶ʱճ̫Ĥγɣ֮۵ֻ̫ͣϡʹĤƻЧáżӹ¶ȵߣ֬ӣĻӷʧҲͨѡӹ¶Խϵ͵õ (2)עķɢԣɢɾֲӦʱֻϣҪʱӸƷɢԵݻ߽ڷĶϣΣڵеʱõӽԼʱǿ (3)עƷҪܵӰ죬Ҫ˪ɫƯơǨԵȣӦӡˢԡճԡԡˮԵȣеӦǿȡԵȡ (4)Ӧʹã䷽ϵһѴﵽЧһüʹõķʽڴﵽӹƷܵҪͬʱҲͨЧʣΪʹúͱǨͣʹӹΧṹľԲƷѧֱ֤ܺƽ⡣ 4.PVCͲ䷽гƷֺϵ Ͳ䷽,ȶϵIJͬ,ѡõҲв,Ǧȶϵ,ѡӲ֬ᡢӲ֬ϩĸơпȶϵϡȶϵУѡӲ֬ᡢӲ֬ᶡ֬ʯϩӲ֬Ƶл䷽УѡӲ֬ơʯϩҪ£ 1.Ӳ֬ƣ ɫĩ۵148-155棬ԺͼӹԣȾʽǦκǦãٶȣһΪ0.1-0.4PHR 2.Ӳ֬ ɫɫ۵70-71档90-100»ӷӲPVCӹһΪ0.2-0.5PHRзֹṸЧ˪ 3.ʯ ۵57-63棬Իţ͵۵ͣճСֻڽխΧãڵ˫ݸ˼һΪ0.1-0.8PHRƷȲס (4)ϩ ɫĩԼ100-117棬Էϴ۵ߣӷԵڽϸ¶Ⱥͼ£ҲʾЧӲPVC˫ݸ˼Ϊ0.1-0.5PHR (5)ϩ ɫɫĩϩ京ԻţPVCݣЧʽϸߣ߾ۺԣЧʣɫķɢԣƷõԺ0.1-0.5PHR (6)Ӳ֬ ĩ״۵85-87棬ԺԣɴٽܻಢãɸPVC-UȶԡһΪ0.2-0.6PHR ʵǷֻ֣ʹʱ뵥ʹʱͬЧͲ䷽Уø䷽ʽϵص£ 1.Ӳ֬ơʯϩϵ ䷽еʹӲ֬ƣɼܻճȣתأһģЧʹʯֳӳܻתأģáӲ֬ƺʯϩһʹʱֳõЧתֵɽͺܶ࣬ʯӲ֬ƷӼ䣬ǿãֳǿЭͬЧķɢ 2.Ӳ֬ᡪʯϩϵ Ӳ֬ơʯϩϵûͬ䷽ȶԣԣʹģ㡣 3.ϩࡪӲ֬ ϩࡪӲ֬ƲʱϩӣܻʱӳϩʯࡪӲ֬Ʋʱϩӣܻʱȴߺ͵ƣԵЭͬЧ ֮оPVC䷽ʱ赥˽ÿصã֮ЭͬЧ⣬PVCͲ䷽ӹ豸ģߵIJı䡣 5ۣ һõϵɱPVC-Uܻճ棬ͼӹ豸غɣͼӹܺģƼӹԣйPVCֽ⣬ͬʱҲٽڣƷֲγȱݺѣڼӹԵߣܸɫӹƷԵȣ䷽ϵмĹס ΪӰЧغܶ࣬ҪУеݣPVCĽṹʽ;ۺϷʽõļӹ豸ƷӦеܵȡPVCͲ䷽ƺͱʱӦۺϷԴѡȡΪֵļӹȶ⣬ԼƷȱݣԴйأʹò˰ŵȶͬҪλÿʵ·ⲻҪʧ˷ѡ ֮PVCͲ䷽оҪãӦøĹעӣʹͲ |