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《Ultra-violet resistant pressuresensitive hot melt adhesives Innovations for clear film-1983》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Ultra-violetresistantpressure-sensitivehotmeltadhesivesInnovationsforclearfilmA.MaletskyandJ.VillaAnewseriesofhotmeltpressure-sensitiveadhesives,havingbothclarityandresistancetoultra-violetlight,designedforindoorapplicationsaredescribed.Keywords:adhesivepaper;pressure-sensitive
2、materials;hotmeltadhesives;environmentaltesting.Thefirstpressure-sensitiveadhesivematerials,introducedthispositionbecauseoftheirclarityandgoodageingontotheAmericanmarketinthemid-1800s,consistedofacharacteristics.Thelatterareessentialforoutdoor,andsingle-plyselfwoundtape,usingas
3、olventbasedpressure-certainindoor,applications,whereexposuretosunlightandsensitiveadhesive.Sincethattimethegrowthofthemarketphotochemically-damagingultra-violetlightcanbeforsuchproductshasshownarapidexpansion;attributableanticipated.totheeaseofapplication,coupledwithlaboursavin
4、gTheuseofhotmeltpressure-sensitiveadhesivesonpaperadvantages.SinceWorldWarII,theuseofpressure.sensitivelabelsforindooruseiswellknownandwelldocumented.adhesivesforpaperlabelshasgainedmomentumintheHowever,hotmeltshavenotbeensosuccessfulinreplacingworldmarkets.acrylicsolventadhesi
5、vesforuseonclearfdm,foreitherTheconstructionofthepaperlabelconsists,typically,indoororoutdooruse.Itisforthisreasonthatarangeofof40lb*base(orhighqualityprintablegrade)plus40lb*hotmeltpressure-sensitiveadhesives-recommendedforsiliconepaper.However,therearemanypossiblevariationsin
6、doorapplicationssuchaslabellingdairyproducts,intheweightandgradeofpaper,andtypeofadhesive,furnitureandprintedplasticcosmeticbottles,andoverlaysdependentuponusage.Generally,theadhesivesusedtobeformaps,plansandposters-havebeendevelopedbyappliedfromsolventsystems.Duringthelastdeca
7、dethisMalcolmNicol&Co.emphasishaschangedsothatbetween45and55%ofTherequirementsforapressure-sensitiveadhesiveforpressure-sensitivelabeladhesivesarehotmelts;theremainderclearfilmapplicationcanbesummarizedas:beingsplitbetweensolvent-basedandemulsiontypetheadhesivemustbeessentially
8、colourlessandhavegoodadhesives.clarity;itmustnotbecome
