Cooligomer amount/%

Viscosity at temperature (˚C)/(mm2∙sec−1)

Viscosity index/1

Corrosion

/(g∙m−2)

40

100

Cooligomer of hexene-1 with dicyclopentadiene

0

39.14

5.8

80

180

5

44.80

6.2

82

160

20

67.10

7.9

90

90

30

70.00

8.5

94

42

40

74.70

9.0

96

5.0

50

79.10

9.9

101

4.6

Cooligomer of 4-methylpentene-1 with indene

0

80

180

5

81

162

20

89

92

30

93

43

40

95

5.3

50

100

4.7