1. An electronic device, comprising:
a rack-mountable housing having a plurality of receptors, including receptors configured to receive a number of electronic components, and a receptor that is not configured to receive one of the number of electronic components, and
a quantity of modular bezels each configured such that it can be disposed in any of the plurality of receptors that are unoccupied by the number of electronic components, wherein each modular bezel includes:
a front panel sized to cover two or more of the receptors and covering a portion of the front of the rack-mountable housing, the front panel excluding any features that are graspable as an aid in removing the modular bezel from a receptor, and
a connection device configured to be receivable by any one of the plurality of receptors to connect the modular bezel to the rack-mountable housing,
wherein each of the plurality of receptors is occupied by either one of the number of electronic components or one of the quantity of modular bezels, and the quantity of modular bezels can be arranged in different configurations to accommodate different configurations of the number of electronic components in the plurality of receptors.
2. The electronic device of claim 1, wherein the electronic device includes receptors that are not configured to receive one of the number of electronic components, with one of the quantity of modular bezels being disposed in each of the receptors that are not configured to receive the one of the number of electronic components.
3. The electronic device of claim 2, wherein each of the quantity of modular bezels is configured to be disposed in each of the receptors that are not configured to receive the one of the number of electronic components.
4. The electronic device of claim 1, wherein an area defined by an outer peripheral edge of each modular bezel is configured to cover a portion of the front of the rack-mountable housing that is less than an entire area of the front of the rack-mountable housing.
5. The electronic device of claim 1, wherein the front panel is a substantially planar member.
6. The electronic device of claim 1, wherein the front panel is a plastic member.
7. The electronic device of claim 1, wherein the front panel is a decorative panel.
8. The electronic device of claim 1, wherein the rack-mountable housing includes at least one unoccupied receptor configured to receive one of the number of electronic components, wherein the connection device of one of the quantity of modular bezels is connected to the unoccupied receptor.
9. The electronic device of claim 1, wherein the connection device is configured to connect the front panel to the rack-mountable housing by at least one of friction between the connection device and the rack-mountable housing, elastic deformation of the connection device, and a snap connection.
10. The electronic device of claim 1, wherein the connection device comprises a plurality of flexible members configured to engage the rack-mountable housing.
11. The electronic device of claim 1, wherein the electronic device is a server.
12. A method of configuring a front of an electronic device having a rack-mountable housing with a plurality of receptors, including a portion of the receptors configured to receive an electronic component and a portion of the receptors not configured to receive an electronic component, comprising:
installing a number of electronic components in the portion of the receptors configured to receive the electronic component according to a first particular configuration;
providing modular bezels in the portion of the receptors that are not configured to receive the number of electronic components;
providing modular bezels in unoccupied receptors that are configured to receive the number of electronic components; and
re-arranging the number of electronic components and modular bezels in a second particular configuration, different from the first particular configuration,
wherein each modular bezel comprises:
a front panel sized to cover two or more of the plurality of receptors, and
a connection device, wherein the connection device is configured to connect the modular bezel to a front portion of the rack-mountable housing.
13. The method of claim 12, wherein the electronic device includes a plurality of receptors that are not configured to receive an electronic component, the method further comprising:
providing a plurality of modular bezels in the receptors that are not configured to receive an electronic component.
14. An apparatus, comprising:
a rack;
a rack-mountable housing coupled to the rack and having a plurality of receptors, including receptors configured to receive a number of electronic components, and a receptor that is not configured to receive one of the number of electronic components, and
a quantity of modular bezels each configured such that it can be disposed in any of the plurality of receptors that are unoccupied by the number of electronic components, wherein each modular bezel includes:
a front panel covering a portion of the front of the rack-mountable housing, the front panel excluding any features that are graspable as an aid in removing the modular bezel from a receptor, and
a connection device configured to be receivable by any one of the plurality of receptors to connect the modular bezel to the rack-mountable housing,
wherein each of the plurality of receptors is occupied by either one of the number of electronic components or one of the quantity of modular bezels, and the quantity of modular bezels can be arranged in different configurations to accommodate different configurations of electronic components in the plurality of receptors.
15. The apparatus of claim 14, wherein the rack-mountable housing includes receptors that are not configured to receive an electronic component and the quantity of modular bezels are disposed in the receptors that are not configured to receive the electronic component.
16. The apparatus device of claim 15, wherein each of the plurality of modular bezels is configured to be disposed in each of the receptors that are not configured to receive the electronic component.
17. The apparatus of claim 14, wherein an area defined by an outer peripheral edge of the modular bezel is configured to cover a portion of the front of the rack-mountable housing that is less than an entire area of the front of the rack-mountable housing.
18. The apparatus of claim 14, wherein the rack-mountable housing includes a plurality of receptors that are not configured to receive one of the number of electronic components, with one of the quantity of modular bezels being disposed in each of the receptors that are not configured to receive the one of the number of electronic components.
19. The apparatus of claim 14, wherein the connection device is configured to connect the front panel to the rack-mountable housing by at least one of friction between the connection device and the rack-mountable housing, elastic deformation of the connection device, and a snap connection.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. LCST polymers containing terminal andor pendant alkoxysilane groups \u2014Si(OR1)xR1y on the main chain, where R1 stands for an alkyl radical having 1 to 6 carbon atoms, Y can adopt the values 0, 1 and 2, and furthermore: x+y=3.
2. LCST polymers according to claim 1, where the proportion of alkoxysilane groups, based on the total number of recurring units of the LCST polymer, is between 0.1 and 55 mol %.
3. LCST polymers according to claim 1, obtainable by copolymerisation of:
A. 45.0 to 99.9 mol % of at least one monomer or macromonomer containing the structural unit:
a. N,N-dialkylacrylamide
in which n denotes 1 to 10,000 and R2 (identical to or different from one another) denotes hydrogen or alkyl groups having 1 to 5 carbon atoms, where the radicals R2 may also form a ring together with the nitrogen atom;
b. N-vinylcaprolactam
in which o denotes 1 to 10,000;
c. N-vinylpiperidone
in which p denotes 1 to 10,000;
d. N-vinylpyrrolidone
in which q denotes 1 to 10,000;
e. methyl vinyl ether
in which r denotes 1 to 10,000;
f. andor N-vinylalkylamide
in which s denotes 1 to 10,000 and R3 denotes an (iso)alkyl group having 1 to 5 carbon atoms or a cyclopentyl group;
B. 0 to 55.0 mol % of at least one comonomer from the group of:
a. hydroxyalkyl acrylates or methacrylates in which the hydroxyalkyl group contains 1 to 5 carbon atoms;
b. glycidyl(meth)acrylate;
c. allyl glycidyl ether;
d. \u03b1,\u03b1-dimethyl-meta-isopropenylbenzyl isocyanate;
e. vinyl isocyanate;
f. isocyanatoethyl(meth)acrylate andor isocyanatopropyl(meth)acrylate;
g. propenyl isocyanate;
h. primary and secondary acrylamides and methacrylamides;
i. hydroxy- and amino-terminated polyalkylene oxide(meth)acrylates, allyl and vinyl compounds;
C. 0 to 55.0 mol % of at least one comonomer of the formula I:
in which:
R1, each independently, denotes an alkyl radical having 1 to 6 carbon atoms;
X1 denotes a single bond or an alkylene radical having 1 to 6 carbon atoms;
Z, each independently, denotes an oxygen atom or a single bond;
where comonomers (A), (B) and (C) add up to 100%, and where furthermore, if the LCST polymer contains comonomers B, the polymer obtained by copolymerisation of the monomers or macromonomers (A), (B) and optionally (C) is derivatised by means of a derivatisation agent which contains at least one group which is able to react with a group of a recurring unit emanating from the comonomer (B) with formation of a covalent bond, and at least one alkoxysilane group \u2014Si(OR1)xR1y, where R1 stands for an alkyl radical having 1 to 6 carbon atoms, y can adopt the values 0, 1 and 2, and furthermore: x+y=3.
4. LCST polymers according to claim 3, where the derivatisation agent has a structure of the formula II:
in which:
R1, each independently, denotes an alkyl radical having 1 to 6 carbon atoms;
X2 denotes an alkylene radical having 1 to 6 carbon atoms, a phenylene radical, \u2014(O\u2014(CH2CHY))m\u2014, where m=1 to 6 and Y\u2550H, CH3;
Z, each independently, denotes an oxygen atom or a single bond;
L denotes \u2014OH, \u2014NH2, \u2014SH, \u2014N\u2550C\u2550O, \u2014N\u2550C\u2550S,
5. LCST polymers according to claim 4, where comonomer (B) is selected from the group (a), (h) and (i), and L in the derivatisation agent of the formula II is selected from \u2014N\u2550C\u2550O, \u2014N\u2550C\u2550S,
6. LCST polymers according to claim 4, where comonomer (B) is selected from the group (b) to (g), and L in the derivatisation agent of the formula II is selected from \u2014OH, \u2014NH2 and \u2014SH.
7. Process for the preparation of an LCST polymer according to claim 4, where 45.0 to 99.9 mol % of at least one monomer or macromonomer (A), 0 to 55% by weight of a comonomer (B) and 0 to 55% by weight of a comonomer (C), where (A), (B) and (C) add up to 100%, are subjected to a free-radical polymerisation, and, if the resultant polymer contains comonomers (B), the resultant polymer is derivatised by means of a derivatisation agent which contains at least one group which is able to react with a group of a recurring unit emanating from the comonomer (B) with formation of a covalent bond, and at least one alkoxysilane group \u2014Si(OR1)xR1y, where R1, each independently, stands for an alkyl radical having 1 to 6 carbon atoms, y can adopt the values 0, 1 and 2, and furthermore: x+y=3.
8. A method for coating particles or non-particulate substrate surfaces comprising coating with the LCST polymers according to claim 1.
9. A method according to claim 8, where the LCST polymers are brought into contact with the particles or non-particulate substrate surfaces in a liquid medium below the LCST, the temperature is raised to above the LCST, and the polymers are polycondensed on the surface of the particles or on the non-particulate substrate surfaces via the alkoxysilane groups \u2014Si(OR1)xR1y at this or a higher temperature.
10. A method according to claim 9, where a catalyst is added for the polycondensation.
11. A method according to claim 10, where the catalyst is a protic acid or dibutyltin acetate.
12. Particles or non-particulate substrate surfaces coated with the polymerised LCST polymers according to claim 9.