Styrene to polyethylene

Table I. Synergistic Effect of Acid and TMPTA as Additives in Grafting Styrene to Polyethylene Film Initiated by Ion is ing Radiation8 ...

Additives in Grafting Styrene to Polyethylene and Cellulose Initiated by UVa... 

Both Odian and Silverman models satisfactorily explain most of the observed results in all solvents (Tables I-III, VI) used in the present study, however there are some exceptions especially when solvents other than the alcohols are used (Table VI). Thus the Odian mechanism is not consistent with the DMF data nor can the Silverman model account for the acetone results. In addition, in further preliminary studies with grafting of styrene to polyethylene (10) in solvents other than those reported here both Odian and Silverman mechanisms are deficient. The problem is that possible contributions from the radiation chemistry of the components in the grafting reaction need to be considered in formulating a complete mechanism for the overall process. 

Figure 1. Effect of divinylbenzene on grafting of styrene to polyethylene film in methanol at dose rate of 4,1 X rad/h to total dose of 2,5 X 10 rad. Key O, styrene-methanol , styrene-methanol-divinylbenzene (1% v/v).

Table VI. Acid Enhancement In Radiatlon Grafting Styrene to Polyethylene In Methanol...

Grafting Styrene to Polyethylene Film Initiated by Ionising Radiation... 

Fig 6. Effect of dose rate on the efficiency of grafting styrene to polyethylene film in methanol in the presence of acid (H SO, 0.2M). Total dose, 2.3 x 10 rad. 

W.J. Chappas and J. Silverman, The effect of acid on the radiation-induced grafting of styrene to polyethylene, JoRad.Phys.Chemo 14 847 (1979). 

Table 4. Synergistic effect of acid with polyfunctional monomers in the radiation grafting of styrene to polyethylene, (a)... 

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