Surface modification of polymers for adhesion enhancement

Kang, E. T.; Neoh, K. G.; Shi, Jiahua; Tan, K. L.; Liaw, Der‐Jang

doi:10.1002/(sici)1099-1581(199901/02)10:1/2<20::aid-pat761>3.0.co;2-c

Cited by 34 publications

(26 citation statements)

References 33 publications

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“…The fibers were used for our experiments after being washed with ethanol and water. These are the earliest and simplest surface treatments to improve adhesion of polymer and matrix 12–14. MMA, BA, HEA, and AA are all analytical reagents and were supplied by Tianjing Bodi Chemical Co. Ltd., China.…”

Section: Methodsmentioning

confidence: 99%

Synthesis and performance characteristics of a water‐based polyacrylate microemulsion for UHMWPE fiber adhesive coating

Sheng-hua

Liang

Wang

et al. 2005

J of Applied Polymer Sci

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ABSTRACT:The water-based polyacrylate microemulsion for ultrahigh molecular weight polyethylene (UHM-WPE) fibers adhesive coating was synthesized by the emulsion polymerization of methyl methacrylate (MMA), butyl acrylate (BA), acrylic acid (AA), and hydroxyethyl acrylate (HEA) in the presence of a composite of sodium lauryl sulfate (SLS), OP-10, and n-octyl alcohol (NOA) as the emulsifier. The effects of the mass fraction of emulsifier and the reaction time on the properties of emulsion and its membrane were investigated. When m(BA) : m(MMA) : m(AA) : m(HEA) was 50 : 50 : 3 : 10 (wt ratio) and the mass fraction of emulsifier was 13 wt % and the reaction time was 3 h at 80°C, the latex particle diameter was 30 nm tested by transmission electron microscope (TEM). The Fourier transform infrared (FTIR) spectrometer and differential scanning calorimeter (DSC) were used to characterize the chemical structure and the glass transition temperature (T g ) of microemulsion membrane. The application results showed that this microemulsion was an ideal adhesive coating for UHMWPE fibers.

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Section: Methodsmentioning

confidence: 99%

Synthesis and performance characteristics of a water‐based polyacrylate microemulsion for UHMWPE fiber adhesive coating

Sheng-hua

Liang

Wang

et al. 2005

J of Applied Polymer Sci

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“…This problem is even more pronounced when the polymer film is a non polar or low polar polymer such as polyolefins which are characterized by very low surface energy values. In these cases it is necessary to carry out a surface treatment to increase surface energy and, subsequently, adhesive properties 5–9. It is possible to modify surface properties of a polymer film without affecting the bulk material, by using different treatments.…”

Section: Introductionmentioning

confidence: 99%

Optimization of adhesive joints of low density polyethylene (LDPE) composite laminates with polyolefin foam using corona discharge plasma

Pascual

Calvo

Sànchez-Nácher

et al. 2009

J of Applied Polymer Sci

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In this work, surface modification of low density polyethylene (LDPE) film has been carried out to optimize adhesive joints with polyolefin foam for uses in technological applications. LDPE films were modified in a continuous way using corona discharge plasma with different powers, ranging from 200 to 600 W and several film advance rates in the 5-20 m min À1 range. Changes in surface wettability have been studied with contact angle measurements and subsequent solid surface energy calculation. A polyurethane adhesive was used to join the LDPE film to a polyethylene foam. Mechanical performance of the adhesive joints has been determined by T-peel tests and also the aging effects of several hydrothermal conditions have been studied to evaluate the usefulness of these laminate composites in technological applications. Results show that corona discharge powers between 400 and 600 W are suitable in terms of wettability improvement; on other hand, a slight decrease in surface wettability as the film advance rate increases is detected but the overall changes as a consequence of the film advance rate in the 5-20 m min À1 range are small if compared to changes derived from working powers in the 200-600 W range. Adhesive joints offer excellent mechanical performance and good durability in hydrothermal conditions thus being appropriate for technical applications.

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“…However, the poor adhesive properties of PE limited the more applications in industrial fields [4,5]. It is the wettability, surface morphology, and specific functional groups of the polymer that govern the surface adhesive properties [6,7]. Surface modification is usually used to improve the adhesive properties of polymer to meet the applications [8].…”

Section: Introductionmentioning

confidence: 99%

Adhesion of PE modified by capacitively coupled radio frequency plasma-induced graft polymerization of glycidyl methacrylate

Liu

Hao

Lei

2009

Front. Mater. Sci. China

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A graft polymerization of glycidyl methacrylate (GMA) on the pretreated polyethylene (PE) sheet samples by oxygen capacitively coupled radio frequency (RF) plasma was carried out to improve the adhesive properties of PE. The PE samples were treated with a RF power of 200 W for a treatment time of 40 s and then exposed to an oxygen atmosphere for a saturation time of 10 min. The grafting of the plasma pretreated PE performed in an aqueous GMA solution with the monomer concentration from 20 vol.% to 100 vol.% at a temperature from 20°C to 90°C for a reaction period up to 50 h. The optimum wettability of the graft polymerized PE surface with the concentration of 40 vol.% at the temperature of 70°C and for the time of 24 h was obtained as the static contact angle decreased from 104.2°for the original PE to 67.6°for the graft polymerized. After the graft polymerization, a strong absorption peak of C-O bonding was shown at 1050 cm -1 in Fourier transform infrared spectrum, indicating an introduction of epoxy groups on the graft polymerized surface. Correspondingly, the surface roughness (Ra) increased from 0.137 μm for the original PE to 1.660 μm for the graft polymerized. The maximal lap adhesive strength of the graft polymerized PE samples lapped using a mixture of epoxy resin and curing agent was achieved to about 160 N$cm -2 . The fractured surfaces by tearing of the PE sheet matrix were observed on the tensioned PE samples due to the higher adhesive strength than that of the PE matrix.

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Surface modification of polymers for adhesion enhancement

Cited by 34 publications

References 33 publications

Synthesis and performance characteristics of a water‐based polyacrylate microemulsion for UHMWPE fiber adhesive coating

Synthesis and performance characteristics of a water‐based polyacrylate microemulsion for UHMWPE fiber adhesive coating

Optimization of adhesive joints of low density polyethylene (LDPE) composite laminates with polyolefin foam using corona discharge plasma

Adhesion of PE modified by capacitively coupled radio frequency plasma-induced graft polymerization of glycidyl methacrylate

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