Use of spiro-orthosilicates as blocked polyols/reactive diluents in high-solid PUR clear coats for car refinish applications

Surface Coatings International Part B: Coatings Transactions

Volumn 89, Issue 4, 2006, Pages 285-291

  Van Den Berg, K J ^a   Van Oorschot, R ^a   Van Der Ven, L G J ^a  

^a AKZO NOBEL CENTRAL RESEARCH   (Netherlands)

Author keywords

(ultra) high solids clear coat; Car wash resistance; Interpenetrating network; Latent polyol; Polysiloxane; Spiro orthosilicate; Two pack polyurethane

Indexed keywords

ALCOHOLS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; POLYURETHANES; PROTECTIVE COATINGS; SILICONES;

CAR WASH RESISTANCE; INTERPENETRATING NETWORK; LATENT POLYOL; TWO PACK POLYURETHANE;

SILICATES;

EID: 33846045726     PISSN: 14764865     EISSN: 17420261     Source Type: Journal    
DOI: 10.1007/BF02765580     Document Type: Article

References (10)

1. For 2KPUR systems see for example (a)G L Linden, GB Patent 2176197, Ashland;
2. (b) Z W Wicks Jr, F N Jones and S P Pappas, Organic-Coatings, Science and Technology. (2nd edition), 193-6, ISBN 0 471 24507 0
3. For example blocked amines like ketimines: (a) A Noomen, P Vandevoorde and J Akkerman EP Patent 0199087, Akzo Nobel;
4. (b) A Noomen and T Bartels, FP Patent 0203296, Akzo Nobel;
5. (c) K J van den Berg, LOG van der Ven and A Noomen, 'Internally blocked polyamines: synthesis and use as cross-linkers in VOC compliant coatings'. Creative Advances in Coatings Technology, Proceedings from 4th Nürnberg Congress, Paper 43, 1997
6. An example of blocked or latent reactive diluents for 2KPUR systems is the bicyclic orthoester moiety (a) K J van den Berg, K Hobel, H Klinkenberg, A Noomen and JC van Oorschot FP Patent 0882106. Akzo Nobel:
7. (b) A Noomen, 'Bicyclic orthoesters as binders with latent hydroxyl functionality', Proceedings from Athens Conference on Coatings: Science and Technology, 231, 2001
8. van den Berg K J, K Hobel, JC van Oorschot, JC van Beelen and H Winkenberg, Patent Application WO 2004/031256
9. Frye C L 'Stable silicon heterocyclic derivatives of branched alkanediols', J Org Chem, 34, 2496-9, 1969
10. van der Ven L G J and R Leu verink, 'Durability prediction of p-urethane clearcoats using infrared p(hoto) a(coustic) s(pectroscopy)', Macromol Symp, 187, 845-52, 2002