废旧塑料摇身一变成为屋面保温隔音材料
合成塑料为促进工业发展和提高人们生活水平做出了巨大的贡献。在塑料工业发展的初期，合成材料的化学稳定性是人们非常关心和重点研究的内容之一。几十年过去了，它的稳定性已得到很好的解决。戏剧性的是，时至今日它的稳定性反而成了阻碍其进一步发展的一个重要原因。“农用薄膜”便是很好的例证。由于难以被生物降解，只能使用一次，最简便的处理办法是将其付之一炬。这样做不仅浪费资源，而且会造成大气污染。
废弃塑料制品的回收和利用，已经成为一项世界性的课题。传统的填埋和焚烧处理方法正逐步被复用、降解或分解工艺所替代。废弃塑料制品的回收利用，不仅可以保护环境、节省能源，而且具有很好的经济性。
制隔音材料
废旧泡沫塑料被粉碎后，经过红外线照射加热，其体积减少到1/20以下;然后与特殊的水泥相混合，制成“米花糖”状的建筑材料。这种建筑材料的消音效果平均为60%，对某些频率的噪声抑制可达到90%以上。这种材料现已被用作发电站隔音设施的墙壁和天花板。
制造轻质屋面保温材料
将废发泡聚苯乙烯粉碎，加入膨胀珍珠岩及水泥、砂浆，搅拌混合均匀，于屋面上养护3天，自然干燥，然后同水泥砂浆抹平成轻质混凝土保温层。用该法制成的材料生产成本低，保温性好，屋内冬暖夏凉。
其制作工艺为：把废发泡聚苯乙烯洗净，粉碎到粒度0.1cm～0.5cm，加32.5级硅酸盐水泥，二者的体积比为2：1～3：1，加质量比为1%～3%的早强剂(无机碱)，用水搅拌成浆状，加松香皂发泡剂，再搅拌成浆状，入模，1小时后脱模，养护7天后制成10cm厚的板材，其传热系数、抗压强度均较好，保温性能可达到黏土砖墙厚95cm的保温效果。屋面使用时于板上抹一层水泥砂浆，以水保养，再用沥青汕毡做防水层即可。
制造防水卷材
将废发泡聚苯乙烯洗净、干燥，用廉价苯酚或氯烃残液溶解，加入增韧剂和成膜防渗耐磨剂调和成粘胶状，经吹或涂于玻璃布表面，可干燥成屋顶防水或管道用防水卷材。溶剂经冷却可循环使用。
值得注意的是，无论是化学方法或是物理方法转换利用，均面临一个主要困难，即回收的废旧塑料品种混杂，不易鉴别分类，另一方面又特别不干净，清洗非常困难，运营成本很高，因此厂家积极性不高。
目前的解决方法主要有两种：限制生产多组分的塑料制品和提高分类收集、分捡水平。如以往为了保护瓶内的果汁等饮料免受紫外线照射，生产厂家会使用蓝色及绿色塑料瓶，目前认为合理地解决紫外线照射的办法是，将透明瓶全部用标签覆盖，在标签上留有缝纫机针眼般的小孔以便轻松剥下。
此外，分捡是决定材料复用经济性的重要因素。目前国外分捡技术发展很快，很多自动化分捡线已经投入使用，可非常准确地对不同种类的材料进行分捡处理。
合金塑料供应：
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合金塑料
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型号
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制造商
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销售热线：13528694940 张先生 在线 QQ：813986068 E - mail：sales@rfxsj.com 企业网址：http://www.rfxsj.com
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Taro Plast
|
|
PC+ABS
|
TAROBLEND 45 X0
|
Taro Plast
|
|
PC+ABS
|
TAROBLEND 50 X0
|
Taro Plast
|
|
PC+ABS
|
TAROBLEND 65
|
Taro Plast
|
|
PC+ABS
|
TAROBLEND 66
|
Taro Plast
|
|
PC+ABS
|
TAROBLEND 85
|
Taro Plast
|
|
PC+ABS
|
TAROBLEND 86
|
Taro Plast
|
|
PC+ABS
|
TAROBLEND 88 G4
|
Taro Plast
|
|
PC+ABS
|
TECHNIACE® H-261
|
Nippon A&L Inc.
|
|
PC+ABS
|
TECHNIACE® PAX-1439
|
Nippon A&L Inc.
|
|
PC+ABS
|
TECHNO ABS R5405A
|
Techno Polymer Co, Ltd.
|
|
PC+ABS
|
TECHNO ABS R5601B
|
Techno Polymer Co, Ltd.
|
|
PC+ABS
|
TECHNO ALPHALOY MPC6801
|
Techno Polymer Co, Ltd.
|
|
PC+ABS
|
Tecotek® BC40 UF45 NL CE
|
Eurotec
|
|
销售热线：13528694940 张先生 在线 QQ：813986068 E - mail：sales@rfxsj.com 企业网址：http://www.rfxsj.com
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