Surface modification of low-density polyethylene by inductively coupled argon plasma

Article Abstract:

The surface chemistry and nanotopography of low-density polyethylene (LDPE) were modified by downstream, inductively coupled, radio frequency (rf) Ar plasma without inducing surface damage. Physical and chemical surface modification was achieved under conditions conducive to high-density inductively coupled rf plasma.

Polyethylene, Chemical synthesis

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Entropically mediated polyolefin blend segregation at buried sapphire and air interfaces investigated by infrared-visible sum frequency generation vibrational spectroscopy

Article Abstract:

The behavior of polymer blends at hydrophilic sapphire and air interface was investigated by infrared-visible sum frequency generation (SFG) vibrational spectroscopy. The results of SFG indicate that the surface composition can be determined from the peak intensities that are characteristics of each component.

Polyolefin Resins, Analysis, Polyolefins, Vibrational spectra, Sapphires

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Gas hydrates of argon and methane synthesized at high pressure: Composition, thermal expansion, and self-preservation

Article Abstract:

The compositions and properties of argon and methane high-pressure gas hydrates were directly determined. The samples of the gas hydrates were prepared under high-pressure conditions and quenched at 77 K.

Methane, Natural gas, Gas hydrates

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