?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F470%2F&rft.title=Modelling+of+the+dip-coating+process&rft.creator=Schwartz%2C+L.&rft.creator=White%2C+L.&rft.subject=Materials&rft.description=Dipcoating%2C+wherein+an+object+is+withdrawn+from+a+liquid+bath%2C+retaining+a+thin+layer+of+liquid+which+then+dries%2C+is+perhaps+the+simplest+of+coating+techniques.+SOLA+Optical+asked+the+MISG+to+investigate+this+process+as+a+means+of+applying+a+protective+coating+to+spectacle+lenses.+The+theory%2C+as+proposed+by+the+group%2C+involves+the+'lubrication'+form+of+the+equations+of+slow+viscous+flow.+This+yields+an+estimate+of+the+wet+coating+thickness+variation%2C+which+in+turn+depends+on+the+liquid+properties%2C+the+pull+rate%2C+and+the+lens+curvature.+When+this+thickness+is+reduced+by+the+volatile+fraction+of+the+coating%2C+predicted+thicknesses+are+in+rough+agreement+with+reported+values.+Once+applied%2C+the+liquid+film+drains+downward+and+this+effect+is+modelled+numerically.+An+outline+of+a+more+complete+model%2C+allowing+evaporation+and+drying%2C+is+also+presented.&rft.date=1994&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F470%2F1%2FModelling-of-the-dip-coating-process.pdf&rft.identifier=++Schwartz%2C+L.+and+White%2C+L.++(1994)+Modelling+of+the+dip-coating+process.++%5BStudy+Group+Report%5D+++++