roshan khadka | Tribhuwan University,Nepal (original) (raw)

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Papers by roshan khadka

Research paper thumbnail of Data on Preparation and Characterization of an Insect Odorant Receptor based Biosensor

Research paper thumbnail of Single-molecule Alkylation of Isoparaffin Using Peroxide Initiator for Making Synthetic Lubricant

Polymer Korea

Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in te... more Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in terms of physical and chemical characteristics such as low pour point (PP), and high viscosity index (VI). This paper first reports a novel preparation route for a synthetic lubricant via alkylation of isoparaffins using a peroxide initiator without olefin. Alkylation of three kinds of isoparaffins such as i-C 16 , i-C 18 , and i-C 23 as well as alkylation of i-C 18 with 2-pentene using di-tert butyl peroxide initiator were conducted under various conditions to confirm alkylation reaction from isoparaffins themselves i.e; Single-molecule alkylation. Various properties of each alkylates (VI and PP) were investigated as a synthetic lubricant. Single-molecule alkylation made from i-C 16 a,nd i-C 18 showed ultra high VI (>140) and low PP (<-30 o C).

Research paper thumbnail of Single-molecule Alkylation of Isoparaffin Using Peroxide Initiator for Making Synthetic Lubricant

Polymer Korea

Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in te... more Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in terms of physical and chemical characteristics such as low pour point (PP), and high viscosity index (VI). This paper first reports a novel preparation route for a synthetic lubricant via alkylation of isoparaffins using a peroxide initiator without olefin. Alkylation of three kinds of isoparaffins such as i-C 16 , i-C 18 , and i-C 23 as well as alkylation of i-C 18 with 2-pentene using di-tert butyl peroxide initiator were conducted under various conditions to confirm alkylation reaction from isoparaffins themselves i.e; Single-molecule alkylation. Various properties of each alkylates (VI and PP) were investigated as a synthetic lubricant. Single-molecule alkylation made from i-C 16 a,nd i-C 18 showed ultra high VI (>140) and low PP (<-30 o C).

Research paper thumbnail of Data on Preparation and Characterization of an Insect Odorant Receptor based Biosensor

Research paper thumbnail of Single-molecule Alkylation of Isoparaffin Using Peroxide Initiator for Making Synthetic Lubricant

Polymer Korea

Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in te... more Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in terms of physical and chemical characteristics such as low pour point (PP), and high viscosity index (VI). This paper first reports a novel preparation route for a synthetic lubricant via alkylation of isoparaffins using a peroxide initiator without olefin. Alkylation of three kinds of isoparaffins such as i-C 16 , i-C 18 , and i-C 23 as well as alkylation of i-C 18 with 2-pentene using di-tert butyl peroxide initiator were conducted under various conditions to confirm alkylation reaction from isoparaffins themselves i.e; Single-molecule alkylation. Various properties of each alkylates (VI and PP) were investigated as a synthetic lubricant. Single-molecule alkylation made from i-C 16 a,nd i-C 18 showed ultra high VI (>140) and low PP (<-30 o C).

Research paper thumbnail of Single-molecule Alkylation of Isoparaffin Using Peroxide Initiator for Making Synthetic Lubricant

Polymer Korea

Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in te... more Polyalphaolefin (PAO) is a synthetic lubricant that is superior to mineral-based lubricants in terms of physical and chemical characteristics such as low pour point (PP), and high viscosity index (VI). This paper first reports a novel preparation route for a synthetic lubricant via alkylation of isoparaffins using a peroxide initiator without olefin. Alkylation of three kinds of isoparaffins such as i-C 16 , i-C 18 , and i-C 23 as well as alkylation of i-C 18 with 2-pentene using di-tert butyl peroxide initiator were conducted under various conditions to confirm alkylation reaction from isoparaffins themselves i.e; Single-molecule alkylation. Various properties of each alkylates (VI and PP) were investigated as a synthetic lubricant. Single-molecule alkylation made from i-C 16 a,nd i-C 18 showed ultra high VI (>140) and low PP (<-30 o C).

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