EVA／ATO透明隔热中间膜的制备及性能研究.pdf

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1、第38卷第1期塑料工业2010年1月CHINAPLASnCSINDUSTRYEVA／ATO透明隔热中间膜的制备及性能研究．冯晖，李光吉，王瞻(华南理工大学材料科学与工程学院，广东广州510640)摘要：通过挤出共混法将透明且具有红外反射功能的纳米锑掺杂二氧化锡(ATO)添加到乙烯一乙酸乙烯酯共聚物(EVA)中，并经热压成型制备了夹层玻璃用EVA／ATO透明隔热中间膜；表征了EVA／ATO中间膜的隔热性能，并考察了ATO用量对EVA／ATO材料的拉伸性能、光学性能、热稳定性及其与玻璃的黏合性能的影响。结果表明，添加l％一5

2、％(质量分数)纳米ATO的EVA／ATO胶膜对光的透过性能表现出明显的光谱选择性，能在保持相对较高的可见光透过率的同时，有效地阻隔红外光区的热能；随纳米ATO用量的增加，EVA／ATO材料的隔热效果不断提高，但其热导率也呈上升趋势。与未添加ATO的EVA相比，用EVA／ATO(ATO质量分数为3％)中间膜制作的盖板能够使隔热箱内的空气温度降低7．9。在所考察的ATO用量范围内，所制备的EVA／ATO透明隔热中间膜与玻璃的强度均大于3000N／m。0，关键词：乙烯一乙酸乙烯酯共聚物胶膜；纳米锑掺杂二氧化锡；中间膜；隔热材料

3、；热导率中图分类号：TQ325．5文献标识码：A文章编号：1005—5770(2010)01—0011—05StudyonthePreparationandPropertiesofTransparentandHeat。insulationEVA／AT0InterlayersFENGHui，LIGuang-ji，WANGZhan，(CollegeofMaterialsSci．andEng．，SouthChinaUniversityofTechnology，Guangzhou510640，China)Abstract：The

4、transparentandheat—insulatingEVA／antimony—dopedtindioxide(ATO)interlayersusedforlaminatedglasswerepreparedbycompressionmoldingafteraddingNano—ATOwithtransparencyandinfraredreflectionfunctiontotheEVAthroughextrusionblending．Theheat—insulationperforn1anceofthepre-p

5、aredEVA／ATOinterlayerswasalsocharacterized，andtheeffectsof：Nano—ATOcontenton．thetensileprop-、erty，theopticalprope~y，thethermalstabilityandtheadhesivestrengthtoglassoftheprepared。EVA／ATO．materialswereinvestigated．TheexperimentalresultsshowedthattheEVA／ATOfilmscont

6、ainingNano—ATO(1．0～5．0wt％)exhibitedobviousspectralselectivity，couldeffectivelyblockthethermalenergyfrom．in-fraredrayalsoretainingrelativelyhighlighttransmittanceintheregionofvisiblelight．AstheNano—ATOcon·tentincreased，theheat—insulatingeffectoftheEVA／ATOmaterials

7、improvedcontinuously，：buttheirthermalconductivityexhibitedanincreasetendency．ItindicatedthatthecoverplatemadeoftheEVA／ATOinterlavercontaining3．0wt％ofATOmadetheairtemperatureinsidetheboxdecreasedby7．9oCcomparedwiththeEVAsheetwithoutATO．Theadhesivestrengthoftranspa

8、rentandheat—insulatingEVA／ATOinterlayersandglasswasallhigherthan3000N／mwithintherangeofATOcontentinvestigated．Keywords：EVAFilm；Antimony‘dopedTinDioxide；Interla