气雾剂基础知识

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1、BasicKnowledgeoftheAerosol气雾剂基本知识曲维好广州保赐利化工有限公司电话：020-87817788手机：13926158088邮箱：qwh@botny.com广州从化经济技术开发区太源路11号ThedefinementofAerosol气雾剂的定义AnAerosolcanbedefinedas:Anintegralready-to-usepackageincorporatingavalveandaproductwhichisdispensedbypre-storedpressureinacontrolle

2、dmannerwhenthevalveisoperated气雾剂可被定义为:气雾剂是指将内容物和抛射剂一起密封盛装在装有阀门的容器内，在抛射剂的压力下按预定形态喷出，一次使用的产品。这类产品以喷射的方式使用，喷出物可呈气态、液态或固态，喷出形状可为雾状、泡沫、粉末或胶束。HOWAEROSOLSAREFILLED气雾剂是如何灌装的Anaerosolismadeupofseveralbasiccomponents:气雾剂的主要组成部分Anaerosolcan气雾罐Theproduct内容物Thepropellant抛射剂Avalvew

3、ithdiptube阀门及引液管Anactuator喷嘴Adustcap(notshown)保护盖HOWAEROSOLSAREFILLED气雾剂是如何灌装的1.Startwithanemptyaerosolcontainer. Thiswillbemadeoftinplateoraluminium,orperhapsglass.Thecapacityofthecontainerwillbegreaterthanthatwhichisdeclaredonthepack.1、首先由空的气雾罐开始，气雾罐可以是马口铁罐、铝罐或玻璃罐

4、标称灌装量应不超过气雾罐全容积的80%HOWAEROSOLSAREFILLED气雾剂是如何灌装的2.Theproduct,usuallyintheformofaliquid,isnowadded.Thiscontainsalltheactiveingredients,exceptforthepropellant.ThevolumeofliquidisverycarefullycontrolledtoensurethatitconformswithWeights&Measureslegislation.2、现在开始添加内容物，通常情

5、况下为液态。包含了除抛射剂之外的所有有效成分。料液的体积按照标准规定受到严格控制。HOWAEROSOLSAREFILLED气雾剂是如何灌装的3.TheAerosolvalveisnowfitted(crimped)tothecan.Thisisaverycriticaloperationandthecrimpingmachineryhastobecarefullysetuptoensurethatthecan/valvesealdoesnotleak.3、现在将阀门封在罐上，这一工序要求非常严格，封口机必须调整正确，以保证罐/阀门

6、密封处不会泄漏HOWAEROSOLSAREFILLED气雾剂是如何灌装的Thepropellantisnowinjectedunderpressure,throughthevalve.Thepropellantmaybeintheformofaliquifiedgas,oracompressedgas.Ifaliquifiedgasisuseditwillexistasbothaliquid,andvapourintheaerosolcanheadspace.Thevolumeofliquidinthecanwillincreas

7、e,asshowninthisexample.Ifacompressedgasisused,itwillusuallyonlybeintheheadspace,abovetheliquidinthecan,andtherewillbelittleornoincreaseinliquidvolume.Again,thevolumeofliquidisverycarefullycontrolledtoensurethatitconformswithWeights&Measureslegislation.现在抛射剂通过阀门装入罐内.抛射

8、剂可以是液化气或压缩气体如果是液化气，液相和气相会同时存在，气相在罐内上部，罐内的液相体积会升高。如果是压缩气体，它通常会在罐内的液相上部空间，液相体积会轻微升高或不升高。液相的体积须严格控制以满足计量法的规定。HOWAEROSOLSAREFILL