Arkon P-90
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Description
[Arakawa Chemical, Japan] A brand name for a low molecular weight resin developed for use as a tackifier. Arkon P-90 is a saturated alicyclic hydrocarbon with an average molecular weight of 630. It forms a colorless, high gloss film. It is resistant to weathering and heat but does oxidize and become less soluble with time (van Vooren 1998).
Physical and Chemical Properties
- Soluble in petroleum hydrocarbons and turpentine. Insoluble in water, ethanol, acetone.
- Softening point = 90 C
| Density | 0.991 |
|---|---|
| Molecular Weight | Tg =35.6 C |
| Refractive Index | 1.529 |
Resources and Citations
- Arakawa Chemical: Website (select Adhesives from PRODUCT list)
- C.van Vooren, "Recently Introduced Low Molecular Weight Varnishes: Arkon P-90" Painting Conservation Catalog, Varnishes and Surface Coatings, AIC, p.117, 1998.
- Paintings Specialty Group, Painting Conservation Catalog, Wendy Samet (ed.), AIC, Washington, DC, 1998 Comment: C.van Vooren, "Recently Introduced Low Molecular Weight Varnishes: Arkon P-90"
- Gordon Hanlon, contributed information, 1998
- Teri Hensick, contributed information, 1998
- Conservation Support Systems, Catalog, 1997