Sliding element comprising polymer overlay
US-2022298447-A1 · Sep 22, 2022 · US
US9550954B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9550954-B2 |
| Application number | US-201113989549-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 28, 2011 |
| Priority date | Dec 3, 2010 |
| Publication date | Jan 24, 2017 |
| Grant date | Jan 24, 2017 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
The invention pertains to certain (per)fluoropolyether triazine derivatives comprising at least one triazine group and at least one fluoropolyoxyalkene chain (chain R f ) comprising a fluorocarbon segment having ether linkages in main chain, said chain R f comprising at least one hydroxyl group, to a method for their manufacture and to their use in lubrication, in particular for lubricating sliding or moving parts of magnetic recording media.
Opening claim text (preview).
The invention claimed is: 1. A triazine derivative of formula (T-1) or formula (T-2): wherein: each of Y, Y′, Y″, Y°, Y°′, Y°″, Y°′″, Y°″″ equal to or different from each other, is independently a hydrocarbon group, optionally fluorinated, wherein at least one of Y, Y′, Y″ in formula (T-1) and at least one of Y°, Y°′, Y°″, Y°′″, Y°″″ in formula (T-2) is selected from the group consisting of: groups of formula —CF 2 CH 2 O(CH 2 CH 2 O) s′ H and —CF 2 CF 2 CH 2 O(CH 2 CH 2 O) s″ H, wherein s′ and s″, equal to or different from each other and at each occurrence, are integers from 0 to 5; and groups of formula —CF 2 CH 2 O(CH 2 CH 2 O) w′ J′(OH) e′ and —F 2 CF 2 CH 2 O(CH 2 CH 2 O) w″ J″(OH) e″ , wherein w′ and w″, equal to or different from each other and at each occurrence, are integers from 0 to 5, J′ and J″ are C 1 -C 12 hydrocarbon bridging group, optionally comprising ethereal bonds; and e′ and e″ are integers from 2 to 4; each of R F , R′ F , R″ F , R° F , R°′ F , R°″ F , R°′″ F , R°″″ F , R°* F , R°** F , equal to or different from each other, is independently a divalent fluoropolyoxyalkene chain (R f ) comprising repeating units R°, said repeating units selected from the group consisting of: (i) —CFXO—, wherein X is F or CF 3 , (ii) —CFXCFXO—, wherein X, equal to or different at each occurrence, is F or CF 3 , wherein at least one of X is —F, (iii) —CF 2 CF 2 CW 2 O—, wherein each of W, equal to or different from each other, are selected from F, Cl, and H, (iv) —CF 2 CF 2 CF 2 CF 2 O—, and (v) —(CF 2 ) j —CFZ—O—wherein j is an integer from 0 to 3 and Z is a group of general formula —OR f ′T 3 , wherein R f ′ is a fluoropolyoxyalkene chain comprising between 0 and 10 repeating units each independently selected from the group consisting of —CFXO—, —CF 2 CFXO—, —CF 2 CF 2 CF 2 O—, and —CF 2 CF 2 CF 2 CF 2 O—, with each of X being independently F or CF 3 , and wherein T 3 is a C 1 —C 3 perfluoroalkyl group; each of E, E′, E″, E°, E°′, E°″, E°′″, E°″″, E°*, E°**, E°***, E°****, equal to or different from each other, is independently a bond or a C 1 -C 20 divalent bridging group, optionally comprising heteroatoms, optionally fluorinated, optionally further comprising one or more than one hydroxyl group; and n in formula (T-2) is zero or an integer from 1 to 5. 2. The triazine derivative of claim 1 , wherein said at least one of Y, Y′, Y″ in formula (T-1) and said at least one of Y°, Y°′, Y°″, Y°′″, Y°″″ in formula (T-2) is selected from the group consisting of: groups of formula —CF 2 CH 2 OH and CF 2 CF 2 CH 2 OH; and groups of formula —CF 2 CH 2 O(CH 2 CHOHCH 2 O) d′ H and —CF 2 CF 2 CH 2 O(CH 2 CHOHCH 2 O) d″ H, wherein d′ and d″, equal to or different from each other and at each occurrence, are integers from 1 to 3. 3. The triazine derivative of claim 2 , complying with any of formula (T-1a) and (T-2a) herein below: wherein: each of n1, n2, n1′, n2′, n1″, n2″, n1#, n2#, n1*, n2*, n1′*, n2′*, n1″*, n2″*, n1′″*, n2′″*, equal to or different from each other, is independently an integer from 0 to 5 each of f1, f2, f1′, f2′, f1″, f2″, f1*, f2*, f1′*, f2′*, f1″*, f2″*, f1′″*, f2′″*, f1#, f2#, equal to or different from each other, is independently an integer of 1 to 2; each of R F , equal to or different from each other and at each occurrence, is independently a divalent fluoropolyoxyalkene chain (R f ); and each of G, G′, G″, G*, G′*, G″*, G′″*, equal to or different from each other, is independently a hydroxyl-containing group, wherein said R f is a chain comprising repeating units R°, said repeating units selected from the group consisting of: —CFXO—, (i) wherein X is F or CF 3 , —CFXCFXO—, (ii) wherein X, equal to or different at each occurrence, is F or CF 3 , wherein at least one of X is —F, —CF 2 CF 2 CW 2 O—, (iii) wherein each of W, equal to or different from each other, are F, Cl, and H, —CF 2 CF 2 CF 2 CF 2 O—, (iv) and —(CF 2 ) j —CFZ—O—, (v) wherein j is an integer from 0 to 3 and Z is a group of general formula —OR f ′T 3 , wherein R f ′ is a fluoropolyoxyalkene chain comprising between 0 and 10 repeating units each independently selected from the group consisting of —CFXO—, —CF 2 CFXO—, —CF 2 CF 2 CF 2 O—, and —CF 2 CF 2 CF 2 CF 2 O—, with each of X being independently F or CF 3 , and wherein T 3 is a C 1 -C 3 perfluoroalkyl group. 4. The triazine derivative of claim 2 , complying with any of formula (T-1b) and (T-2b) herein below: wherein: each of n2, n2′, n2″, n2#, n2*, n2′*, n2″*, n2′″*, equal to or different from each other, is independently an integer from 0 to 5; each of f1, f2, f1′, f2′, f1″, f2″, f1*, f2*, f1′*, f2′*, f1″*, f2″*, f1′″*, f2′″*, f1#, f2#, equal to or different from each other, is independently an integer of 1 to 2; each of R F , equal to or different from each other and at each occurrence, is independently a divalent fluoropolyoxyalkene chain (R f ); each of R H , equal to or different from each other and at each occurrence, is independently a hydrogen atom, a C 1 -C 6 alkyl group or a (chain R f )—C(O)— group, in which chain (R f ) is a fluoropolyoxyalkylene chain containing at least one hydroxyl group; and each of G, G′, G″, G*, G′*, G″*, G′″*, equal to or different from each other, is independently a hydroxyl-containing group, wherein said R f is a chain comprising repeating units R°, said repeating units selected from the group consisting of: —CFXO—, (i) wherein X is F or CF 3 , —CFXCFXO—, (ii) wherein X, equal to or different at each occurrence, is F or CF 3 , wherein at least one of X is —F, —CF 2 CF 2 CW 2 O—, (iii) wherein each of W, equal to or different from each other, are F, Cl, and H, —CF 2 CF 2 CF 2 CF 2 O—, (iv) and —(CF 2 ) j —CFZ—O—, (v) wherein j is an integer from 0 to 3 and Z is a group of general formula —OR f ′T 3 , wherein R f ′ is a fluoropolyoxyalkene chain comprising between 0 and 10 repeating units each independently selected from the group consisting of —CFXO—, —CF 2 CFXO—, —CF 2 CF 2 CF 2 O—, and —CF 2 CF 2 CF 2 CF 2 O—, with each of X being independently F or CF 3 , and wherein T 3 is a C 1 -C 3 perfluoroalkyl group. 5. The triazine derivative of claim 4 wherein each of R H , equal to or different from each other and at each occurrence, is independently a group complying with formula —CO—(CF 2 ) f1 a —R F a —(CF 2 ) f2 a —CH 2 —(OCH 2 CH 2 ) n2 a -G a , wherein n2 a is an integer of 0 to 5 0; each of f1 a and f2 a is independently an integer of 1 or 2; R F a is a divalent difluoropolyoxyalkylene chain (R f ) and G a is a hydroxyl-containing group, wherein said R f is a chain comprising repeating units R°, said repeating units is selected from the group consisting of: —CFXO—, (i) wherein X is F or CF 3 , —CFXCFXO—, (ii) wherein X, equal to or different at each occurrence, is F or CF 3 , wherein at least one of X is —F, —CF 2 CF 2 CW 2 O—, (iii) wherein each of W, equal to or different from each other, are F, Cl, and H, —CF 2 CF 2 CF 2 CF 2 O—, (iv) and —(CF 2 ) j —CFZ—O—, (v) wherein j is an integer from 0 to 3 and Z is a group of general formula —OR f ′T 3 , wherein R f ′ is a fluoropolyoxyalkene chain comprising between 0 and 10 repeating units each independently selected from the group consisting of —CFXO—, —C
Triazines · CPC title
heterocyclic · CPC title
containing fluorine · CPC title
used as base material · CPC title
Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.