Phthalate esters as softeners in PVC plastics

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Raman Spectra

 Raman Spectra DTUAdipic acid diester plasticizers for PVC:

Raman Spectra DTU
Example: DEHP, di-2-ethyl-hexyl phthalate ester         

Di(2-ethylhexyl) phthalate (DEHP, CAS No [117-81-7]) is also known as di-octyl phthalate (DOP). In Western Europe it accounts for 30% of all plasticiser usage and as such is generally considered as the industry standard.
Literature: T. Nørbygaard & R.W. Berg, Appl. Spectrosc. vol. 58(4), p.410-413, 2006.

PhthalateEster

PhthalateEster


Quantitatice Determination DEHP

PhthalateEster
Raman Spectra DTUPhthalic acid diester plasticizers for PVC:

 

 

 

Diisobutyl adipate, iso-butyl, [141-04-8], C14H26O4, Sigma-Aldrich          
Diisodecyl adipate, iso-decyl, [27178-16-1], C26H50O4, Sigma-Aldrich          
Diamyl adipate, iso-amyl, [14027-78-2], C16H30O4, own product          
Diisopropyl adipate, iso-propyl, [6938-94-9], C12H22O4, own product           
Diisononyl adipate, iso-nonyl, [33703-08-1], C24H46O4, BASF          
Bis(1-butylpentyl) adipate, BBPA, [77916-77-9], C24H46O4, Sigma-Aldrich           
Di-2-ethylhexyl adipate, DEHA, [103-23-1], C22H42O4, (Adimoll) Bayer (Lanxess)           
Diethyl adipate, DEA, [141-28-6], C10H18O4, Sigma-Aldrich          
Dimethyl adipate, DMA, [627-93-0], C8H14O4, Sigma-Aldrich          
Dihexyl adipate, 1-hexyl, [110-33-8], C18H34O4, own product          
Adipic polyester, 1,3-butylene glycol polymer, Ultramoll-III (trade name for highly viscous plasticizer), [24937-93-7] from LanXess    

R. W. Berg and A. Dopazo Otero: “Analysis of Adipate Ester Contents in Poly(Vinyl Chloride) Plastics by Means of FT-Raman Spectroscopy”. Vibrational Spectroscopy (Elsevier) 42, 222-225 (2006).

   

Polyvinyl chloride PVC:

Raman Spectra DTU

Polyvinyl chloride, (CH2CHCl)n, [9002-86-2] plastics, pure powder         
Literature: T. Nørbygaard & R.W. Berg, Appl. Spectrosc. vol. 58(4), p.410-413, 2006.

 PVC vibration
phthalateEstersAsSofteners 
 Raman Spectra DTU

Vibrating  Chlorine  in PVC  polymer.

T. Nørbygaard and R. W. Berg: "Analysis of Phthalate Ester Content in PVC Plastics by means of FT-Raman Spectroscopy", Applied Spectroscopy, Vol. 58, No. 4, 2004 p. 410-413.

R. W. Berg and A. Dopazo Otero: “Analysis of Adipate Ester Contents in Poly(Vinyl Chloride) Plastics by Means of FT-Raman Spectroscopy”. Vibrational Spectroscopy (Elsevier) 42, 222-225 (2006).

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16 OKTOBER 2018