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1、原材料的认识1、胶膜（FILM）基材PVA（聚已烯醇）INK和网孔INK厚度加活化剂胶膜三色或四色重叠处，INK膜厚变大活化后，延展性最高可达30公分LearningMaterialAddActivatorInk&MeshRawPVAFilmINKThicknessFilmisthickerintheinkoverlapoftri-colororfour-color,theduetilitycanreachupto30cm(max)afteractivition水转印基本知识1.胶膜INK(油墨)
2、可分为1C、2C、3C、4C,(C为Color首字母);外观主要区别可从油墨厚度来显现,油墨越厚,其膨胀时间延后,转印开始时间变迟,即下水位置拉长,可转印范围缩短,油墨包覆能力变弱,易产生针孔不良;1.ThefilmINKcanbedividedinto1C,2C,3C,4C(CmeansColor).TheAppearancescanbedistinguishedfromINKthickness.TheINKisthickorTheexpansiontimeislongorThestarting
3、timeoftransferwillbelate.Atthesametime,thepositionofenteringwaterwillbeprolongedandthetransferringrangwillbesmalltheabilityofINKwrappingwillbeweakened,soittakeshapepineholdeasily.2.胶膜转印的适合水温通常为30,水中PVA平均浓度应小于0.2%;Thesuitablewatertemperatureoffilmtrans
4、ferringisusually30℃,PVAaveragedensityinwateris0.2%;条件Condition膨胀开始时间Thestartingtimeofdiffusion转印开始时间Thestartingtimeoftransfer可转印范围Transferablerangle膨胀率Diffusionrate包覆力Wrapabilily水温升高Watertempinctease较早Ealier较早Ealier缩短smaller增加increased不变SamePVA升高PVAin
5、ctease较慢Slower稍慢Caer增长Longer稍减decreased改善better水汽Vapor水转印基本知识原材料的认识LearningMaterial水转印基本知识胶膜所适应的温、湿度Applicationtemperatureandhumidity室温：20-25℃相对湿度:65-75%RHRoomTemp:20-25℃Relativehumidity:65-75%RH湿度Humidity温度temperature低于65%RH65%RH（MAX）65-75%RH高于75%RH7
6、5%RH（MIN）低于20℃20℃(MAX)胶膜变脆易破,易产生较多不良Filmbecomesfragileandearlybroken胶膜变脆易破Filmbefragileandeasilybroken发生异常膨胀,边缘易卷曲Overdiffusionandwarpalongthefilmedge20-25℃产生小皱纹Slightwrinklesappeared良好Good软化且易膨胀Softandeasydiffusion25-30℃产生小皱纹Slightwrinklesappeared良好G
7、ood膨胀提前,易卷曲并产生皱纹Earlierdiffusion,wrinkleandwarparecausedeasily高于30℃30℃(MIN)稍微软化,膨胀不正常及小皱纹Slightsoftnessandwrinklesappeared异常膨胀变差Poordiffusion膨胀提前,易卷曲并产生皱纹Earlierdiffusion,wrinkleandwarparecausedeasily原材料的认识LearningMaterial水转印基本知识原材料的认识活化剂功用及组成说明Functi
8、onandcompositionofactivator活化剂主要由树酯、溶剂与可塑剂组成，一般以透明色为主，易挥发Theactivatorisconsistedofresin,solventandplasticsolvent,itistransparent,volatilizeeasily.※对胶膜上的INK“加湿”,易于附着(胶膜本体以干燥状态才能包装运输)Torewetfilmtoretainsatisfactoryadhesionofsubstratesandmakeitad
