Surface grafting of polyethylene by mutual irradiation in methyl acrylate vapor
β Scribed by F. Yamamoto; S. Yamakawa
- Publisher
- Elsevier Science
- Year
- 1981
- Weight
- 531 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0146-5724
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Graft copolymerization of 4-vinyl pyridine (4-VP) and methyl acrylate (MA) onto polyethylene (PE) was studied in aqueous medium in air by the mutual irradiation method. The percentage of grafting was determined as a function of the (i) total dose, (ii) monomer concentration, and (iii) amount of wate
The surface modification of low-density polyethylene by solution-phase photochemical grafting with acrylic acid and acrylamide is described. After irradiation for 3 min, the contact angles of the modified surfaces with water were ca. 20, 30, and 40Β°C and ca. 40, 40, and 80Β°C for grafting solutions c
The influence of the type of polyethylene on the rate and yield of grafting of styrene was studied by using simultaneous irradiation with -r-rays and also pre-irradiation in vacuo. By both methods, the grafting yield was found to be higher in high density polyethylene, except at low temperature with