Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Racking

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_9716
n A term referring to the side-to-side movement of the needles of the needle bed of a knitting machine. Racking results in inclined stitches and reduced elasticity.

Refractive index of polymers/haze value

Abbr.

Polymer

Refractive index

 

PHFPO

Poly(hexafluoropropylene oxide)

1.3010

 
 

Water

1.33

 
 

Alginic acid, sodium salt

1.3343

 
 

Hydroxypropyl cellulose

1.3370

 
 

Poly(tetrafluoroethylene-co-hexafluoropropylene)

1.3380

 

FEP

Fluorinated Ethylene Propylene

1.3380

 
 

Poly(pentadecafluorooctyl acrylate)

1.3390

 
 

Poly(tetrafluoro-3-(heptafluoropropoxy)propyl acrylate)

1.3460

 
 

Poly(tetrafluoro-3-(pentafluoroethoxy)propyl acrylate)

1.3480

 

PTFE

Poly(tetrafluoroethylene)

1.3500

 

THV

Tetrafluoroethylene hexafluoropropylene vinylidene fluoride

1.3500

 
 

Poly(undecafluorohexyl acrylate)

1.3560

 

PFA

Perfluoroalkoxy

1.3400

 

ETFE

Ethylene Tetrafluoroethylene

1.4000

 
 

Poly(nonafluoropentyl acrylate)

1.3600

 
 

Poly(tetrafluoro-3-(trifluoromethoxy)propyl acrylate)

1.3600

 
 

Poly(p...

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA