8D LaRiviere,AbdulFattah A Asfour,Alek Hage.Viscometric properties of viscosity index improvers in lubricant base oil over a wide temperature range.Part1:group Ⅱ base oil[J].Lubrication Science,2000(12):133-143.
9M T Devlin,T Hammock,T-C Jao.Effect of mechanical shear on the thin-film properties of base oil-polymer mixtures[J].Lubrication Science,2002 (14):169-184.
10P Bezot,C.Hesse-Bezot.The effect of mechanical stress on the four viscosity improver polymers lubrication[J].Science,2000 (12):301-312.