painting是什么意思

在油漆中,NC、PU、PE类油漆各指什么意思？

Whatdoyoumeanby"NC","PU"and"PE"paintinpaint?

entlabelsreprent

differentcharacteristics

1,NCpaint

(1)theconstructionissimpleandconvenient,thesmellis

fresh,delyudin

furniturepaintingandinteriordecoration.

(2)lightvarnishpaintfilm,highgloss,fastdrying,matte

varnishiskindofhard,softlusterandfeelsmooth,taste

Unique.

(3)yellowresistantproductsandnon-toxicyellowresistant

productsyellowingresistance.

(4)nitronon-toxicyellowpaint,withexcellentresistanceto

yellowandcolorandhighsolidcontent,highfilmformingrate,

goodfullness,fornitrate

Thebestofbapaint.

(5)nitronon-toxicnon-toxicyellowpaint,freeofbenzene,

freeofTDI,formaldehydefree,anddoesnotcontainheavy

ntfilmisfullandfirmandresistantto

yellowing,

Simultaneousconstructionwithlatexpaintwillnotresultin

yellowingoflatexpaint.

(6)nitronon-toxicyellowpaintisaquickdryingpaintoil,

suitableforindoorandoutdoorwoodendoorsandwindows,

furnitureandotherwoodenproductsandhavebeencoatedwith

appropriate

Ametalsurfacewithaprimer,ahigh-gradehomedecoration

paint,especiallysuitableforchildren'stoys,children's

furniture,paintingandchildren'srooms

Roomandhomekitchendecoration

PUpaint:twocomponentpolyurethanepaint

Thefirstcomponent(curingagent)isocyanate(-NCO)andgroup

B(paint)hydroxyl(-OH)=polyurethanepolymers(film)

Thinner(daywater):onlyadjustviscosity,easyto

constructiondilutioneffect.

Advantage:

1)comparedwithotherkindsofpaint,underthesamehardness,

becauofhydrogenbonding,PUfilmhasthehighestelongation

atbreak,soitiswidelyudinfloorpaintanddeckpaint;

2)bothprotectiveanddecorative,canbeudforadvanced

handicrafts,high-gradecarpentry,piano,largepasnger

aircraftandotherpainting;

3)tyoffilmonthe

surfaceofmetal,wood,rubber(plastics,concrete,someequate

haveexcellentadhesion.

4)thepaintfilmhaxcellentchemicalresistance,acid,

alkali,saltandpetroleumproducts,soitcanbeudin

platform,ship,chemicalindustry

Plantmaintenancecoatings,oiltanklining,etc..

5)struction

asonislong.

6)withavarietyoffilmmaterialwithpaint,canbemadeinto

manyvarietiesaccordingtodifferentrequirements.

3andPEcharacteristics

(1)aftertheconstructionofthepaint,athickerpaintfilm

canbeobtained,thefullnessandlusterareexcellent,the

transparencyishigh,andthelevelingisgood,andtheoriginal

paintislightincolorandeasytospray.

(2)thecoatinghasultrahighhardness.

(3)undernormaltemperature,thecontacttimeisabout40

minutes,thefingerpressingtimeisabout2hours,andthe

polishingtimeisabout24hours.

3andPEcharacteristics

(1)aftertheconstructionofthepaint,athickerpaintfilm

canbeobtained,thefullnessandlusterareexcellent,the

transparencyishigh,andthelevelingisgood,andtheoriginal

paintislightincolorandeasytospray.

(2)thecoatinghasultrahighhardness.

(3)undernormaltemperature,thecontacttimeisabout40

minutes,thefingerpressingtimeisabout2hours,andthe

polishingtimeisabout24hours.

PUpaintistheabbreviationofpolyurethaneresinpaint

PEpaintistheabbreviationofunsaturatedresinpaint

NCistheabbreviationofnitroresinpaint,NCpaintbelongs

todrypaint,paintsolvent(skywater),aftertheevaporation

oftheremainingresinnaturalfilm,dryingspeed,softfeel,

Canberepaired,adhesion,hardnessisslightlywor

UVisaphotonsitiveresinpaint,alsocalledUVcuringresin

paint,thepaintmustpasstoultravioletirradiationcuring

membrane,themembranematerialcontentisveryhigh,the

dryingspeedisfast(condstominutes),thehardnessisvery

high,needspecialconstructionequipment,

Nitrocellulocoating(nitro)NC

Polyurethanecoating(polyurethane)PU

AminoalkydresincoatingAminoorAC

UnsaturatedpolyesterresincoatingPEorUP

UVlighthardeningcoatingUV

EpoxyresincoatingEP

Propertiesandoperationpointsofvariouscoatings:

NC:singleliquidlfdryingtype

Advantages:simpleoperation,quickdrying,nouoftime

limit;

Disadvantages:nosolventresistance,poorphysicaland

chemicalproperties.

Operationpoints:

Sprayviscosity:Primer:20-30conds;finish12-14conds;

paint:16-18conds;

Diluentsolvent:mixedsolvent

Strongsolvents:esters,ketones;

Cosolvent:alcohols;

Weaksolvents:benzene.

Generallystrongsolvent,dissolutionandvolatilizationrate

arestronger,faster,strongsolvent,viscosityiasyto

reduce,volatileratefast,dryfast,butalsoeasyto

whitening.

Antiwhite:whenrainorhumidityishigh,thepaintwillbe

uallydilutedwithaslowerdry

mixedsolventoraddedwithwhitewater,reprentedbyBCS;

Yellowdegeneration:dryfilmafteraperiodoftimeor

ultravioletradiationwillbeyellow,yellowproductsfor

resistancetochange,suchaswhiteries,tochoothe

appropriateprimerandgoldoil.

PU:curingtype,twoliquidtype:mainagentandcuringagent

Advantages:goodadhesion,highhardness,goodtoughness;

Disadvantages:theoperationpointhastheuoftimelimit,

easyyellowchange,noyellowvariant,highunitprice,pungent

flavor.

Operationpoints:

Sprayviscosity:primer14-16conds;topcoat10-11conds;

paint12-14conds;viscosityistoohighortoothickspray,

easytopinhole;recoatingtimeintervallonger,themore

difficulttopinhole;

Dilutionsolvent:mixedsolvent,lectiveuPUspecial

thinner,cannotbereplacedbyNCascuringagentanddiluent,

water,alcoholandreactionwillcaunodrysituationor

pricklyheat;

Ratio:differentcuringagentswillhavedifferentproportions,

cannotbechangedatwill;

Yellowdegeneration:dryfilmafteraperiodoftimeorby

ultravioletradiation,willchange,therequirementsof

yellowingresistanceproducts,suchaswhiteries,tochoo

theappropriatemainagentandcuringagent,suchasyellowing

resistancecuringagent

AC:curingtype,twoliquidtype:mainagentandcuringagent

ratio10:1

Advantages:highhardness,quickdrying,longerrvicetime

thanPU

Disadvantages:curingagentisacidic,easytocorrodemetal

products,discolorationofnonacidpigment.

Operationpoints:

Sprayviscosity:primer18-22conds;finish14-18conds;

hviscosityortoothickspraying

isalsothesameasPUclass,easytopinhole;

Dilutesolvent:mixedsolvent,cannotuvolatilerateistoo

fast,easytopinhole

Recoatability:recoatintervalshouldbecontrolledproperly,

thebetterintervalfor15-20minutesistooshortmayhavea

pinholetoolongtime(about30-60minutes),mostwillwrinkle;

Ratio:generally10:1,butthecuringdocanbereducedby

increasingordecreasingtemperature,whichcanbeabout20%,

or10:0.

8-10:

Yellowingresistantyellow:likeXingjunisbetterthanNC;

POLY:curingtype,threeliquid:mainagent,accelerator,

curingagent.

Advantages:environmentalprotection,solventfree,high

coating,thickcoating,highhardness;

Disadvantages:difficulttodeploy,shorttou,difficultto

polish;

Operationpoints:

Sprayviscosity:primer25-30conds,finish20-25conds;

Accordingtotheratio:thecompanyoffersaddedscale,with

temperatureisadded,thegellingtimebestin25-30minutes;

Safety:themixtureofacceleratorandcuringagentcancau

ingagentisunstablebecau

isbettertoopenwiththeaccelerantandputitintheshade;

UV:singleliquidcuretype:

Advantages:quickdrying(betweenconds),highhardness

(thickcoatingupto5H),environmentalprotection,nosolvent,

highcoatingatonce;

Disadvantages:highcost,withUV,irritatingtotheskin.

Operationpoints:

Modeofoperation:suitableforshowercurtain,rollerpainting,

sprayingIRheatingneedstobedissolvedasfaraspossible,

soastoavoidresidualtoomuchcaucrackingorpinhole

phenomenon;

U:solvent-freenoteasydefoaming,oftenheating

constructiontostickQiandecolorization,thetemperature

shouldbebelow60degrees;

Safety:UVpaintonskinirritationiftouchedimmediately

cleanwater,andUVlightisverystrong,cannotopeneyes;

Storage:theUVpaintreactstotheUVlightsource,soitis

expodtothesunandlocksthealwhennotinu;

EPOXY:roomtemperaturecurable(twoliquid):

Advantages:highcoating,goodadhesion,solventresistance,

corrosionresistance,waterresistance;

Disadvantages:poorweatherability,easydiscoloration,high

cost;

Operationpoints:

Operation:suitableforspraying,brushing,rollingcoating;

Sprayingviscosity:About13-16conds;

Diluent:whenbaking,youcanaddorganicsolventtodiluteit.

Ifitiscuredatnormaltemperature,itshouldbedilutedwith

i,itwillbeslowdryordry;

Proportion:EPOXYpaintcuringagentcanbeudindifferent

types,butmayformdifferentcharacteristics,donotfreeto

replacethecuringagentandcomposition,forexample:

POLYAMIDEtypecuringagent,ifitwillcautheincreaof

glasstransitiontemperaturedrop,makethefilmbecomesoft;

Utime:accordingtothenormaltemperaturecuringtype,

thereisacertainutime(POTLIFE),sotheconstructionneeds

tobeallocatedaccordingtotherequiredtime,soasnotto

waste.

Modetemperature:above5degrees.