| 摘要 |
<p>Compounds suitable for being used as lubricants, having the general formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="4" wi="54" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>or
<Chemistry id="chema02" num="0002"><Image id="ia02" he="4" wi="77" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where
<UnorderedLists id="ula01" listStyle="none"><ListItem>R = -CF<Sub>3</Sub>, -C<Sub>2</Sub>F<Sub>s</Sub>, or -C<Sub>3</Sub>F<Sub>7</Sub>;</ListItem><ListItem>X = F, or -CF<Sub>3</Sub>;</ListItem><ListItem>R" = F -CF<Sub>3</Sub>, or -C<Sub>2</Sub>F<Sub>5</Sub>;</ListItem><ListItem>m = an integer from 3 to 100;</ListItem><ListItem>n = a finite integer, or zero, wherein m + n is from 3 to 100, provided that, when n is finite, m/n is from 5 to 20 and R is preferably -CF<Sub>3</Sub>, while when n is zero R is preferably -C<Sub>2</Sub>F<Sub>5</Sub> or -C<Sub>3</Sub>F<Sub>7</Sub>;</ListItem><ListItem>x = a finite integer, or zero;</ListItem><ListItem>y,z = finite integers, such that x+y+z is from 5 to 200, while (x+z)/y is from 5 to 0.5, provided that, when x is zero z/y is from 1 to 0.5 and y+z is from 5 to 200, while X is preferably F, and R" = L;</ListItem><ListItem>L = a group Y-Z, where</ListItem><ListItem>Y = -CH<Sub>20</Sub>-, -CH<Sub>2</Sub>0CH2-, -CF<Sub>2</Sub>-, or -CF<Sub>2</Sub>0-;</ListItem><ListItem>Z = an organic, non-aromatic, non-fluorinated radical, free from activated hydrogen atoms, containing two or more electron-doublet-donor heteroatoms, or an aromatic radical, either or not containing heteroatoms, capable of giving rise to coordinative bonds or to charge-transfer bonds, thus causing various kinds of adsorption phenomena on metallic polymeric or ceramic surfaces.</ListItem></UnorderedLists></p> |
