资源描述：
《纸板重点（Cardboard focus）》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、纸板重点（Cardboardfocus）Topic:terminology,answer,discussion.(boldwithblacklinesfortheteacher'sthinkingquestion)Chapter1Paperandpaperboard,1.DefinitionsofpaperandPaperboard:paperandpaperboardareameshstructureconsistingofmacroscopicfibersandintricateintertwinedstructures.2,paperstruct
2、ure:structureelementsofthecomplexmultiphaseheterogeneoustissue:fiber,filler,adhesiveanddye;structureofthepaperis:thebindingforceofhydrogenbondingforce(mainly),themainchemicalvalence,FanDehuaforceandsurfaceforcestructureoftheinterleavingpaperisnot;continuous,isakindofporousmateri
3、al:determinestheabsorptionperformance,airpermeability,smoothness,absorbentpaper,deformationwhenthechangeofwater.(openhole,penetratingcavity,fiberinternalvoids)withthethree-dimensionalstructure:verticalandhorizontal,toZ;andhastwosides:anisotropicforming,sideandnetworksideandblank
4、etsurfacecontact,contact.3.Propertiesofpaperandpaperboard:Thefunctionalpropertiesofthefiberpapertodeterminetheirownnature:theabsorptionandscatteringofmicro-structure;thehydrophilicwithhydroxylgroups;hydrogenbondingabilityandthestrength;thesoftness;thecombustible;thefunctionofcol
5、or;Thefiberwovenintotheporous;IIjoinedthefunctionalmaterialobtained:sizing,filling,etc..4,theperformanceofpaper:generalproperties:appearancequality,quantity,thickness,tightnessanddimensionalstability;themechanicalproperties:tensilestrength,burstingstrength,foldingstrength,elonga
6、tion,compressionstrength,stiffnessandtensileenergyabsorption;thepermeability:airpermeability,moisturepermeability,oilpenetration,waterresistance,hydrophobicityandsoon;theopticalpropertiesofwhiteness,gloss,transparency,color(not);thesurfaceproperties:smoothness,frictioncoefficien
7、t,surfaceroughness,adhesionpropertyanddustingperformance;theprintingperformance:surfacestrength,inkabsorption,smoothness,stiffness,degreeofsizing;andotherspecialproperties:chemicalproperties,electricalproperties,watersolubilityetc..Two,paper(paperboard)longitudinal(Z)andtransver
8、se1:definition:generalprovisions,alongthedirect
