1. A fluoropolymer composition including tetrafluoroethylenehexafluoropropylene copolymer made from at least tetrafluoroethylene, hexafluoropropylene and a third monomer and not including a resin having a melting point at least 20 degrees C. different from the melting point of the tetrafluoroethylenehexafluoropropylene copolymer; and
the fluoropolymer composition having a complex viscosity of from 2.0\xd7103 to 10.0\xd7103 Pa*s and a storage modulus of from 0.2 to 3.5 Pa in melt viscoelasticity measurement under a condition of atmosphere temperature of 310 degree C. and angular frequency of 0.01 radiansecond,
a weight ratio of the third monomer to a total weight of the tetrafluoroethylene, the hexafluoropropylene and the third monomer being 1.0 to 10 parts by weight, and
a melt flow rate at 372 degree C. being 20 grams10 minutes or more.
2. The fluoropolymer composition according to claim 1, wherein
the tetrafluoroethylenehexafluoropropylene copolymer is obtained in a process without a mixing process different from a polymerization process.
3. The fluoropolymer composition according to claim 2, wherein
melt tension at 372 degree C. is from 0.08 to 0.16 N.
4. The fluoropolymer composition according to claim 3, wherein
a sum of a number of thermally unstable end groups and the number of \u2014CF2H end groups per 1\xd7106 carbon atoms is fewer than or equal to 50.
5. The fluoropolymer composition according to claim 2, wherein
a sum of a number of thermally unstable end groups and the number of \u2014CF2H end groups per 1\xd7106 carbon atoms is fewer than or equal to 50.
6. The fluoropolymer composition according to claim 1, wherein
melt tension at 372 degree C. is from 0.08 to 0.16 N.
7. The fluoropolymer composition according to claim 6, wherein
a sum of a number of thermally unstable end groups and the number of \u2014CF2H end groups per 1\xd7106 carbon atoms is fewer than or equal to 50.
8. The fluoropolymer composition according to claim 1, wherein
a sum of a number of thermally unstable end groups and the number of \u2014CF2H end groups per 1\xd7106 carbon atoms is fewer than or equal to 50.
9. The fluoropolymer composition according to claim 1, wherein
the third monomer is perfluorovinylether.
10. The fluoropolymer composition according to claim 1, wherein
the third monomer is perfluoro (propylvinylether).
11. The fluoropolymer composition according to claim 1, wherein
the weight ratio of the third monomer to the total weight of the tetrafluoroethylene, the hexafluoropropylene and the third monomer is 3 parts by weight or less.
12. The fluoropolymer composition according to claim 1, wherein
the melt flow rate at 372 degree C. is 60 grams10 minutes or less.
13. The fluoropolymer composition according to claim 1, wherein
the melt flow rate at 372 degree C. is 40 grams10 minutes or less.
14. The fluoropolymer composition according to claim 1, wherein
a weight ratio of hexafluoropropylene to the total weight of the tetrafluoroethylene, the hexafluoropropylene and the third monomer is 4 to 11.2 parts by weight.
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. A system, comprising:
a cover;
a bezel coupled to the cover; and
a hermetic seal disposed along a boundary of the bezel, wherein the hermetic seal includes a bumper that protrudes past a fop surface of the bezel and a damper coupled to the cover to support a display.
2. The system of claim 1, further comprising:
a compression flange coupled to the hermetic seal, wherein the compression flange is configured to compress the hermetic seal against the cover.
3. The system of claim 1, further comprising;
the display, wherein the display is coupled to the hermetic seal.
4. The system of claim 3, wherein the display comprises a liquid crystal display (LCD).
5. The system of claim 3, wherein the display comprises a protective cover, wherein the protective cover is co-planar with the bezel.
6. The system of claim 3, wherein the display is coupled to the hermetic seal by an adhesive.
7. The system of claim 3, wherein the hermetic seal is further configured to separate the display from the bezel.
8. The system of claim 1, wherein the bumper of fee hermetic seal comprises a first hardness and the damper of the hermetic seal comprises a second hardness, the first hardness being different than the second hardness.
9. The system of claim 1, further comprising:
a camera coupled to the cover, wherein an electrical connection of the camera is disposed within the hermetic seal.
10. The system of claim 1, further comprising:
a keyboard; and
wherein the bumper on the hermetic seal is configured to separate the display from the keyboard.
11. The system of claim 1, wherein the damper comprises a shock absorber configured to absorb vibration.
12. A hermetic seal, comprising:
a damper configured to support a display and maintain a hermetic seal along a boundary of the display;
a display mount coupled to the damper, wherein the display mount is configured to engage the display; and
a bumper coupled to the display mount, wherein the bumper is configured to protrude past a fop surface of fee display.
13. The hermetic seal of claim 12,
wherein the display mount and the bumper comprise a first hardness: and
wherein the damper comprises a second hardness that is different than the first hardness.
14. The hermetic seal of claim 12, wherein the display mount is further configured to engage a protective cover coupled to the display.
15. The hermetic seal of claim 12, wherein the damper comprises a shock absorber.