Mn2Al-LDH- and Co2Al-LDH-stearate as photodegradants for LDPE film
| dc.contributor.author | Magagula, Bheki | |
| dc.contributor.author | Nhlapo, N.S. (Nontete Suzan) | |
| dc.contributor.author | Focke, Walter Wilhelm | |
| dc.contributor.email | walter.focke@up.ac.za | en_US |
| dc.date.accessioned | 2010-12-14T12:37:58Z | |
| dc.date.available | 2010-12-14T12:37:58Z | |
| dc.date.issued | 2009-03 | |
| dc.description.abstract | The layered double hydroxides (LDH) Mn2Al-LDH-stearate and Co2Al-LDH-stearate were prepared by a surfactant-assisted intercalation of the corresponding precursor LDH-CO3 forms. These compounds were evaluated as potential photodegradant additives in low density polyethylene films with a thickness of ca. 40 mm. They were incorporated into blown polyethylene films via a 10% masterbatch. The films were subjected to accelerated ageing in a QUV weatherometer. The machine was fitted with A320 lamps and operated on a dry cycle at 63 C and an irradiance of 0.67 W/m2. It was found that 100 h of QUV exposure was sufficient to cause mechanical embrittlement of films containing as little as 0.1% of either active additive. | en_US |
| dc.description.sponsorship | Financial support for this research, from the Institutional Research Development Programme (IRDP), the South African Cooperation Fund for Scientific and Technological Developments (NEPAD) and the THRIP program of the Department of Trade and Industry and the National Research Foundation of South Africa, Evergreen (Pty) Ltd as well as Xyris Technology CC, is gratefully acknowledged. | en_US |
| dc.identifier.citation | Magagula, B, Nhlapo, N & Focke, WW 2009, 'Mn2Al-LDH- and Co2Al-LDH-stearate as photodegradants for LDPE film', Polymer Degradation and Stability, vol. 94, pp. 947-954. [www.elsevier.com/locate/polydegstab] | en_US |
| dc.identifier.issn | 0141-3910 | |
| dc.identifier.other | 10.1016/j.polymdegradstab.2009.03.007 | |
| dc.identifier.uri | http://hdl.handle.net/2263/15437 | |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier | en_US |
| dc.rights | Elsevier | en_US |
| dc.subject | Layered double hydroxide (LDH) | en_US |
| dc.subject | Cobalt | en_US |
| dc.subject | Manganese | en_US |
| dc.subject | Photodegradation | en_US |
| dc.subject | Polyethylene | en_US |
| dc.subject.lcsh | Stearates | en |
| dc.subject.lcsh | Photodegradation | en |
| dc.subject.lcsh | Photography -- Films | en |
| dc.subject.lcsh | Polyethylene | en |
| dc.title | Mn2Al-LDH- and Co2Al-LDH-stearate as photodegradants for LDPE film | en_US |
| dc.type | Postprint Article | en_US |