Estimation of surface tension and surface segregation of poly(ethyl acrylate)/poly(vinylidene fluoride-co-hexafluoro acetone) blends

Kano, Yoshihisa; Akiyama, Saburo

doi:10.1016/0032-3861(96)00298-4

Cited by 36 publications

(28 citation statements)

References 17 publications

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“…The macroazonitrile used as a biradical initiator was 4,4Ј-azobis-4-cyanopentanoic acid chloride 2 ], and methylene iodide (MI) were used as received from Aldrich. PVC with the degree of polymerization of 1100 (Aldrich) was used as a base polymer.…”

Section: Experimental Reagentsmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8][9][10][11][12] Surface property modification using blends of fluoropolymers with hydrocarbon polymers has been studied. 1,2,9,12 Most of silicone-containing polymers have low surface energy. Consequently, hybrid fluorosilicone materials containing both fluorine and silicone should be of great interest for surface modifications.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of block copolymers having perfluoroalkyl and silicone-containing side chains using diazo macroinitiator and their surface properties

Kim

Lee

Doh

et al. 1999

J. Appl. Polym. Sci.

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ABSTRACT:The fluorosilicone block copolymers of poly(perfluoroalkylethyl acrylate)-bpoly(3-[tris(trimethylsilyloxy)silyl] propyl methacrylates) (PFA-b-PSiMAs) having perfluoroalkyl and silicone-containing side chains were obtained by three-step synthetic approaches. In the first step, hydroxyl-terminated poly(perfluoroalkylethyl acrylate) macromonomer (PFAM) was prepared by the free-radical polymerization of perfluoroalkylethyl acrylate and 2-mercaptoethanol. In the second step, PFAM initiator (PFAMI) was prepared from the condensation reaction of the hydroxyl-terminated PFAM and 4,4Ј-azobis-4-cyanopentanoic acid chloride (ACPC). ACPC was obtained from the reaction of 4,4Ј-azobis-4-cyanopentanoic acid and phosphorus pentachloride. In the third step, PFA-b-PSiMAs (BPFSs) were synthesized from the reaction of PFAMI macroinimer and SiMA. Fourier transform infrared spectroscopy and 1 H-NMR analyses verified that the syntheses of ACPC, hydroxyl-terminated PFAM, PFAMI, and BPFS were completed successfully. The intrinsic surface energies of BPFSs and their surface modification effects on poly(vinyl chloride) film were investigated by analyzing the surface free energies and atomic compositions of the outermost layer of the surfaces. BPFSs exhibit extremely low surface free energies of about 9.7-13.0 dynes/cm. It was confirmed that BPFS, having extremely low surface free energy, is preferentially enriched at the outermost layer of the surface of BPFS/poly(vinyl chloride) blend.

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Section: Experimental Reagentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis of block copolymers having perfluoroalkyl and silicone-containing side chains using diazo macroinitiator and their surface properties

Kim

Lee

Doh

et al. 1999

J. Appl. Polym. Sci.

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show abstract

“…In other words, little help is available to the practitioner of contact angle goniometry when examining surfaces. A number of approaches have been used to predict surface tensions of polymers including the use of solubility parameters (14,15) and corresponding states theory (16)(17)(18). In general, they are not 1 To whom correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

Group Contribution Method for the Estimation of Contact Angle Trends on Modified Polymer Surfaces

Thomas

Stephans

2002

Journal of Colloid and Interface Science

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“…18 -20 Surface property modification using blends of fluoropolymers with hydrocarbon polymers has been studied. 5,6,16,21,22 Most siliconecontaining polymers have low surface energies, and many fluoropolymers have much lower surface energies than silicone-containing polymers. Consequently, hybrid fluorosilicone polymers containing both fluorine and silicone should be of great interest for surface modifications.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8][9][10][11][12][13] Various polymers with fluorocarbon segments in the side chains have attracted particular attention due to their very low surface free energy. [5][6][7][8][9][10][11][12][13][14][15][16][17] Fluorine-or silicone-containing copolymers have been widely used as surface modification agents because of their good hydrophobic properties. 18 -20 Surface property modification using blends of fluoropolymers with hydrocarbon polymers has been studied.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of urethane graft copolymers with perfluoroalkyl and silicone-containing side chains and their surface properties

Kim

Lee

Doh

et al. 1999

J. Appl. Polym. Sci.

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Dihydroxyl-terminated macromonomers with two groups, a perfluoroalkyl group and a silicone-containing group, were synthesized by free-radical polymerization with perfluoroalkylethyl acrylate (FA), 3-[tris(trimethylsilyloxy)silyl] propyl methacrylate (SiMA), and 1-thioglycerol (TG). Using these macromonomers and toluene-2,4-diisocyanate (TDI), various urethane graft-co-(septadecafluorodecylacrylate)-(tris(trimetylsiloxy silylpropyl acrylate) copolymers (PUFSGs) with differing FA and SiMA contents were synthesized. The macromonomers and PUFSGs synthesized were characterized and identified by GPC, DSC, (X-ray photoelectron spectroscopy (XPS), FTIR, and 1 H-NMR analysis. The surface free energies of PUFSGs, 9 -12 dynes/cm, depend strongly on FA content but not on SiMA content. The glass transition temperature of PUFSG is strongly dependent on SiMA content. The perfluoroalkyl group originating from FA is preferentially arranged to the outermost layer at the air-polymer interface to the silicone-containing group originating from SiMA. The surface free energies of PUFSG/polyvinyl chloride (PVC) blends exhibit extremely low values, 10 -14 dynes/cm, indicating that extreme segregation of PUFSG occurs at the air-polymer interface. Most PUFSGs added to PVC are located at the air-polymer interface, and PUFSGs are very effective in lowering the surface free energy.

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Estimation of surface tension and surface segregation of poly(ethyl acrylate)/poly(vinylidene fluoride-co-hexafluoro acetone) blends

Cited by 36 publications

References 17 publications

Synthesis of block copolymers having perfluoroalkyl and silicone-containing side chains using diazo macroinitiator and their surface properties

Synthesis of block copolymers having perfluoroalkyl and silicone-containing side chains using diazo macroinitiator and their surface properties

Group Contribution Method for the Estimation of Contact Angle Trends on Modified Polymer Surfaces

Synthesis of urethane graft copolymers with perfluoroalkyl and silicone-containing side chains and their surface properties

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