Graft copolymerization of methyl methacrylate onto rubber‐wood fiber using H₂O₂ and Fe²⁺ as an initiator system

Abstract

Methyl methacrylate (MMA) was successfully grafted onto rubber-wood fiber in a free-radical solution polymerization initiated by ferrous ion and hydrogen peroxide. The effects of the reaction parameters (reaction temperature, reaction period, influence of hydrogen peroxide, ferrous ammonium sulfate, and monomer concentrations) were investigated. The grafting percentage showed dependency on H 2 O 2 , Fe 2ϩ , and monomer concentrations, as well as reaction temperature and reaction period. The optimum reaction temperature was determined to be about 60°C and the reaction period was 60 min. The optimum concentration of H 2 O 2 was 0.03M and optimum amounts of Fe 2ϩ and MMA were 0.26 mmol and 2.36 ϫ 10 Ϫ2 mol, respectively. Poly(methyl methacrylate) (PMMA) homopolymer was removed from the graft copolymer by Soxhlet extractor using acetone. The presence of PMMA on the fiber was shown by FT-IR spectroscopy and gravimetric analysis.

The Use of New Chemically Modified Cellulose for Heavy Metal Ion Adsorption and Antimicrobial Activities

“…Cellulose, which is a naturally occurring complex polysaccharide, is biodegradable and the most abundant renewable organic raw material at low costs in the world. Modification of cellulose by graft copolymerization and direct chemical modification techniques allows one to chemically change the cellulose chain by introducing functional groups, which leads to new cellulose products with new properties [15].…”

Preparation and characterization of bamboo fiber‐graft‐lauryl methacrylate and its composites with polypropylene

“…An extensive literature survey has revealed that considerable efforts, such as alkylation reactions, bamboo's use with coupling agents, and graft copolymerizations, have been made in this area . Among them, the graft copolymerization technique dominates because it reduces the surface energy of cellulose.…”

“…Among them, the graft copolymerization technique dominates because it reduces the surface energy of cellulose. It also improves the compatibility of the composite materials of bamboo and plastic . With an initiator system, Abu‐Ilaiwi et al used H 2 O 2 and Fe 2+ to graft‐copolymerize methyl methacrylate onto wood fiber.…”

“…It also improves the compatibility of the composite materials of bamboo and plastic . With an initiator system, Abu‐Ilaiwi et al used H 2 O 2 and Fe 2+ to graft‐copolymerize methyl methacrylate onto wood fiber. In our study, we used this technique to graft lauryl methacrylate (LM), a long alkyl chain, onto BFs initiated by benzoxyl peroxide (BPO).…”

Graft copolymerization of methyl methacrylate onto biomedical polyvinyl chloride initiated by Ce(IV)–glucose redox system

“…Methyl methacrylate, as an important vinyl monomer, has been successfully grafted onto holo cellulose by a ceric ion initiator system reported recently 19. Abu‐Illai20 has recently reported on grafting of methyl methacrylate onto rubberwood fiber using H 2 O 2 and Fe 2+ as the initiator system. Polymethyl methacrylate (PMMA) is very useful in biomedical applications such as dental fillings, contact lenses, eye lens replacement, and other dental and optical applications.…”