Temperature effects and the observation of the B2u lattice mode in the far infrared absorption spectrum of polyethylene

✍ Scribed by J.W. Fleming; G.W. Chantry; P.A. Turner; Elisabeth A. Nicol; H.A. Willis; M.E.A. Cudby

• Publisher: Elsevier Science
• Year: 1972
• Tongue: English
• Weight: 184 KB
• Volume: 17
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(72)80332-4

✦ Synopsis

Using h&h precisicn radiometry in conjunction with B hlichelson far infrared spectrometer the Bzu lattice mOdc of potyctftyiene has bezn observed at borh room and liquid-nitrogen tcmpcraturcs. The continuum absorption of poIyethyIene in the far infrared has been shown to be tcmpcrture dependent from which it is concluded that difference type multiphonon bands make ;1 considerable contribution. * This snmpIe of branched polyethylene vl'as kindly supplied by Dr. K.J_. Wagner, hlolecular Properties and CIxtmc:erization Section, N.B.S., Washington DC, U.S.A.