Nikles et al., 1994 - Google Patents
Protection of Fe pigments with amine-quinone polymersNikles et al., 1994
- Document ID
- 868198651666181507
- Author
- Nikles D
- Cain J
- Chacko A
- Webb R
- Publication year
- Publication venue
- IEEE Transactions on Magnetics
External Links
Snippet
High magnetization iron pigments, protected by amine-quinone polymers are described. The amine-quinone polyurethanes were prepared by melt polymerization of 2, 5-bis (N-2- hydroxyethyl-N-methylamino)-1, 4-benzoquinone, AQM-1, tolylene diisocyanate, and an …
- 239000000049 pigment 0 title abstract description 35
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
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