Surface‐initiated atom‐transfer radical polymerization (SI‐ATRP) of methyl methacrylate from carbon fibre

Liu, Peng; Su, Zhixing

doi:10.1002/pi.1876

Cited by 19 publications

(9 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Surface-initiated living radical polymerization (LRP) has been rapidly developed for its excellent controllability over the molecular weight, polydispersity, and chain-end functionality of the graft polymers and its capability of affording an exceptionally high graft density with the robustness and versatility of LRP retained. , In particular, atom transfer radical polymerization (ATRP) is widely used for this purpose − and applied to a variety of solid surfaces of different shapes and materials. − …”

Section: Introductionmentioning

confidence: 99%

Monodisperse Silica Particles Grafted with Concentrated Oxetane-Carrying Polymer Brushes: Their Synthesis by Surface-Initiated Atom Transfer Radical Polymerization and Use for Fabrication of Hollow Spheres

et al. 2007

View full text Add to dashboard Cite

An oxetane group-carrying methacrylate, 3-ethyl-3-(methacryloyloxy)methyloxetane (EMO), was polymerized via copper-mediated atom transfer radical polymerization (ATRP) initiated from the surface of monodisperse silica particles (SiPs). The polymerization proceeded in a living manner producing SiPs grafted with well-defined poly(EMO) (PEMO) of target molecular weight up to about 400K with a graft density as high as 0.36 chains/nm 2 . The surface-initiated ATRP of methyl methacrylate (MMA) with PEMO-grafted SiPs as macroinitiator afforded SiPs grafted with block copolymer of the type PEMO-b-PMMA ((PEMO-b-PMMA)-SiPs). The PEMO layer of (PEMO-b-PMMA)-SiPs, located between the PMMA shell and the SiP core, was cross-linked by cationic ring-opening reaction of the oxetane groups of the EMO moieties. The removal of the SiP core of the cross-linked (PEMO-b-PMMA)-SiPs by HF etching gave polymeric hollow spheres having size uniformity and good dispersibility in organic solvents.

show abstract

Section: Introductionmentioning

confidence: 99%

Monodisperse Silica Particles Grafted with Concentrated Oxetane-Carrying Polymer Brushes: Their Synthesis by Surface-Initiated Atom Transfer Radical Polymerization and Use for Fabrication of Hollow Spheres

et al. 2007

View full text Add to dashboard Cite

show abstract

“…Copper-mediated atom-transfer radical polymerization (ATRP) has been one of the most efficient controlled/living-radical polymerization (CLRP) methods since its introduction by Wang and Matyjaszewski . The controlled chain growth and living nature of ATRP make it very useful for the preparation of well-defined block and graft copolymers. , Another advantage of this method over common radical initiation methods is that only negligible homopolymer formation is observed when it is employed in graft copolymerizations. , For this reason, the surface-initiated atom-transfer radical polymerization (SI-ATRP) technique is also very efficient for grafting from solid surfaces, such as nanomaterials, − fibers, − beads or particles, − films or membranes, − and so on.…”

Section: Introductionmentioning

confidence: 99%

Modification of Poly(hydroethyl acrylate)-Grafted Cross-linked Poly(vinyl chloride) Particles via Surface-Initiated Atom-Transfer Radical Polymerization (SI-ATRP). Competitive Adsorption of Some Heavy Metal Ions on Modified Polymers

Liu

2006

Ind. Eng. Chem. Res.

Self Cite

View full text Add to dashboard Cite

Poly(hydroethyl acrylate) (PHEA) has been grafted from the surfaces of cross-linked poly(vinyl chloride) (PVC) beads with their surface labile chlorines as initiation sites, using a copper-mediated surface-initiated atom-transfer radical polymerization (SI-ATRP) methodology. The graft reaction exhibits first-order kinetics with respect to the polymerization time in the low-monomer-conversion stage, as is typical for ATRP. A percentage of grafting (PG%) of 190.4% was achieved in 10 h. The ester groups of the poly(hydroethyl acrylate)-grafted cross-linked poly(vinyl chloride) beads (PHEA-PVC) were then hydrolyzed to yield carboxyl groups. Then, the bare PVC beads; the PHEA-PVC beads; and the hydrolyzed product, poly(acrylic acid)grafted cross-linked poly(vinyl chloride) beads (PAA-PVC), were used for the extraction of heavy metal ions such as Cu(II), Hg(II), Zn(II), and Cd(II) in weak acidic aqueous solution. It was found that the former two had better loading capacities toward Hg(II) ion. The adsorbed ions were eluted by repeated treatment with acetic acid. The chelating resins did not lose their activity even after the 10th regeneration. The material described herein is regenerable and has the advantage of mobility of the graft chains in the removal of heavy metal ions from aqueous mixtures.

show abstract

“…The peak situated at 1730 cm −1 , appearing in Figure 1C, can be attributed to the characteristic peaks of C=O after the functionalization of MMA. The results suggest that the PMMA has been successfully bound onto the CF surfaces [22].…”

Section: Resultsmentioning

confidence: 99%

Rheology, Non-Isothermal Crystallization Behavior, Mechanical and Thermal Properties of PMMA-Modified Carbon Fiber-Reinforced Poly(Ethylene Terephthalate) Composites

Lin

Liu

et al. 2018

Polymers

View full text Add to dashboard Cite

Poly(ethylene terephthalate) (PET) composites containing carbon fiber (CF) or polymethyl methacrylate (PMMA)-grafted carbon fiber (PMMA-g-CF) were prepared by melt compounding. The rheology, non-isothermal crystallization behavior, and mechanical and thermal properties of pure PET, PET/CF and PET/PMMA-g-CF composites were investigated. The results show that the addition of CF or PMMA-g-CF significantly increases the storage modulus (G′), loss modulus (G″), and complex viscosity (η*) of the composites at low frequency. The Cole-Cole plots confirm that the surface modification of CF leads to a better interaction between the CF and PET, and then decreases the heterogeneity of the polymeric systems, which is confirmed by the SEM observation on the tensile fracture surface of the composites. Non-isothermal crystallization analysis shows that the CF or PMMA-g-CF could serve as nucleation agent to accelerate the crystallization rate of the composites, and the effect of PMMA-g-CF is stronger than that of CF. The result is further confirmed by the analysis of the crystallization activation energy for all composites calculated by the Flynn-Wall-Ozawa method. Moreover, the tensile and impact strength and the thermal stability of the composites are improved by CF, while the incorporation of PMMA-g-CF further enhances the tensile and impact strength and thermal stability.

show abstract

Surface‐initiated atom‐transfer radical polymerization (SI‐ATRP) of methyl methacrylate from carbon fibre

Cited by 19 publications

References 19 publications

Monodisperse Silica Particles Grafted with Concentrated Oxetane-Carrying Polymer Brushes: Their Synthesis by Surface-Initiated Atom Transfer Radical Polymerization and Use for Fabrication of Hollow Spheres

Monodisperse Silica Particles Grafted with Concentrated Oxetane-Carrying Polymer Brushes: Their Synthesis by Surface-Initiated Atom Transfer Radical Polymerization and Use for Fabrication of Hollow Spheres

Modification of Poly(hydroethyl acrylate)-Grafted Cross-linked Poly(vinyl chloride) Particles via Surface-Initiated Atom-Transfer Radical Polymerization (SI-ATRP). Competitive Adsorption of Some Heavy Metal Ions on Modified Polymers

Rheology, Non-Isothermal Crystallization Behavior, Mechanical and Thermal Properties of PMMA-Modified Carbon Fiber-Reinforced Poly(Ethylene Terephthalate) Composites

Contact Info

Product

Resources

About