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Untreated, surface hydroxyl groups

These antifoams may be prepared by mixing preformed hydrophobed silica particles with PDMS oils. They may also be prepared by mixing untreated silica particles with these oils in the presence of a catalyst that facilitates an in situ reaction between PDMSs and the surface hydroxyl groups of silica. A useful brief summary of the... [Pg.450]

Figure 1 Model for the chemical treatment of wood. (A) Cellular level. (l)-(3) Untreated cell wall, (4)-(6) treated cell wall (1) untreated (4) no chemical deposits in lumen (2) and (5) deposits on cell wall surface (3) and (6) filling of lumen. (B) Modification of lignocellulosic material at molecular level, (o) Hydroxyl group available for hydrogen bonding ( ) substitution of hydroxyl group ( ) bulking agent. Figure 1 Model for the chemical treatment of wood. (A) Cellular level. (l)-(3) Untreated cell wall, (4)-(6) treated cell wall (1) untreated (4) no chemical deposits in lumen (2) and (5) deposits on cell wall surface (3) and (6) filling of lumen. (B) Modification of lignocellulosic material at molecular level, (o) Hydroxyl group available for hydrogen bonding ( ) substitution of hydroxyl group ( ) bulking agent.
See other pages where Untreated, surface hydroxyl groups is mentioned: [Pg.198]    [Pg.47]    [Pg.972]    [Pg.6108]    [Pg.279]    [Pg.180]    [Pg.121]    [Pg.353]    [Pg.191]    [Pg.58]    [Pg.372]    [Pg.722]    [Pg.210]    [Pg.406]    [Pg.134]    [Pg.340]    [Pg.165]    [Pg.485]    [Pg.279]    [Pg.212]    [Pg.296]    [Pg.299]    [Pg.679]    [Pg.705]    [Pg.22]    [Pg.311]    [Pg.33]    [Pg.360]    [Pg.131]    [Pg.10]    [Pg.323]    [Pg.376]    [Pg.377]    [Pg.889]    [Pg.331]    [Pg.554]    [Pg.150]    [Pg.309]    [Pg.323]    [Pg.157]    [Pg.211]    [Pg.58]    [Pg.435]    [Pg.792]    [Pg.224]    [Pg.357]   
See also in sourсe #XX -- [ Pg.188 , Pg.189 , Pg.190 , Pg.191 , Pg.192 , Pg.193 ]



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Hydroxylated surface

Surface groupings

Surface groups

Untreated

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