公开(公告)号：US20070031678A1

公开(公告)日：2007-02-08

申请号：US11498176

申请日：2006-08-03

申请人： Fiorenza D'Aprile ,  Cristina Gregorio

发明人： Fiorenza D'Aprile ,  Cristina Gregorio

IPC分类号： B32B15/04 ,  B32B9/00

CPC分类号： C09D171/00 ,  Y10T428/31544 ,  Y10T428/31678

摘要： Use to confer no dirt-pick up properties to titanium surfaces of perfluoropolyethers of formula: T-O—[Rf′—CFY-L-O]P(O)(O−Z+)2-m(OH)m;  (A) (OH)m(O−Z+)2-mP(O)[O-L-YFC—O—Rf—CFY-L-O—P(O)(O−Z+)]m′- —[O-L-YFC—O—Rf—CFY-L-O]P(O)(O−Z+)2-m(OH)m;  (B) wherein; m′ is an integer from 0 to 20; L is an organic group selected from —CH2—(OCH2CH2)n—, —CO—NR′—(CH2)q—, with R′=H, C1-C4 alkyl; n is a number from 0 to 8, q is a number from 1 to 8; Z+=alkaline metal ion, an aliphatic amine ion, a NR4 group wherein R is selected from H, C1-C4 alkyl, C1-C4 hydroxyalkyl; Y=F, CF3; m is a number between 0 and 2, extremes excluded; T is a (per)fluoroalkyl group selected from —CF3, —C2F5, —C3F7, —CF2Cl, —C2F4Cl, —C3F6Cl; Rf, Rf′ are selected from a C1-C20 (per)fluoroalkylene chain, a (per)fluoropolyoxyalkylene chain having a number average molecular weight in the range 350-8,000.