1. A composite resin material particle which is used as a raw material for a composite resin molding, the composite resin material particle comprising:
a resin material particle and carbon nanotubes at not less than 0.003% and not more than 0.1% by mass relative to the resin material particle, wherein
a volume resistivity is 1.0\xd7108 \u03a9\xb7cm or less.
2. The composite resin material particle according to claim 1, wherein the carbon nanotubes have an average length of not less than 50 \u03bcm and not more than 250 \u03bcm.
3. The composite resin material particle according to claim 2, wherein the resin material particle is of a fluorine-containing resin material.
4. A method for producing a composite resin material particle which is used as a raw material for a composite resin molding, the method comprising the steps of:
forming a mixed slurry containing at least a resin material particle and carbon nanotubes;
supplying the mixed slurry to a pressure vessel, followed by supplying carbon dioxide with stirring an inside of the pressure vessel;
holding the inside of the pressure vessel at a temperature and at a pressure which allow the carbon dioxide to be maintained in a subcritical or supercritical state; and
transferring the carbon dioxide to the outside of the pressure vessel.
5. The method for producing the composite resin material particle according to claim 4, wherein the step of forming the mixed slurry comprises the steps of:
mixing the carbon nanotube and a dispersing agent into water to form an aqueous dispersion of the carbon nanotubes; and
adding the resin material particles and alcohols to the aqueous dispersion.
6. The method for producing the composite resin material particle according to claim 5, wherein the alcohols are any one or a mixture of two or more of methanol, ethanol, isopropyl alcohol, n-butyl alcohol, propylene glycol, diethyl ether, dimethyl ether, ethyl methyl ether, and ethylene glycol.
7. The method for producing the composite resin material particle according to claim 5, wherein the alcohols are simultaneously supplied when the liquid carbon dioxide is supplied.
8. The method for producing the composite resin material particle according to claim 4, wherein the carbon nanotubes has an average length of not less than 50 \u03bcm and not more than 250 \u03bcm.
9. The method for producing the composite resin material particle according to claim 4, wherein the resin material particle is of a fluorine-containing resin material.
10. The method for producing the composite resin material particle according to claim 4, further comprising the step of collecting the carbon dioxide which is transferred out of the pressure vessel.
11. The method for producing the composite resin material particle according to claim 10, wherein the amount of recovery of any one or more of the water, the alcohols, and the dispersing agent that have been transferred together with the collected carbon dioxide is measured, and the amount of supply of the carbon dioxide to the pressure vessel is selected.
12. The method for producing the composite resin material particle according to claim 10, wherein the carbon dioxide which has been transferred out of the pressure vessel is liquefied, followed by supplying the liquefied carbon dioxide to the pressure vessel.
13. A composite resin molding prepared by using the composite resin material particle according to claim 1 as a raw material, wherein
a content of the carbon nanotubes is not less than 0.003% and not more than 0.1% by mass relative to the resin material particle, and
a volume resistivity is 1.0\xd7108 \u03a9\xb7cm or less.
14. A method for producing a composite resin molding in which the composite resin material particle according to claim 1 is used as a raw material, the method comprising:
subjecting the composite resin material particles to pressure forming, followed by calcining.
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 method of displaying call information in a mobile communication terminal, the method comprising:
checking call information when a call occurs;
updating and storing the call information according to a status of the call; and
displaying the updated call information.
2. The method as claimed in claim 1, wherein the call information comprises at least one of information regarding targets for call reception and call origination, time points of call occurrence and call termination, a call connection time, and an accumulated number of the call occurrences.
3. The method as claimed in claim 1, wherein, when displaying the updated call information, update information of a latest call is displayed on an uppermost part of a list.
4. The method as claimed in claim 1, further comprising:
displaying detailed lists comprising at least one of information regarding call reception, call origination, and missed call reception on different windows according to the updated information when the updated call information is displayed; and
displaying the windows comprising the detailed lists while interchanging the windows according to a direction of a key pressed by a user.
5. The method as claimed in claim 4, further comprising displaying call information according to an accumulated number of call occurrences related to a selected item when at least one of the items displayed in the detailed list is selected.
6. The method as claimed in claim 4, wherein information regarding a first stored call is deleted and information regarding a latest call is stored if an accumulated number of call occurrences for an item selected from among items displayed in the detailed list exceeds a preset number of the call occurrences.
7. The method as claimed in claim 4, wherein a signal allowing the detailed list to be displayed is provided through an input of a key or a menu.
8. The method as claimed in claim 1, wherein the call information according to the status of the call comprises information regarding a status of a message.
9. A method of displaying call information in a mobile communication terminal, the method comprising the steps of:
checking information of message reception and message transmission when a message occurs;
updating information of the message according to a status of the message; and
displaying the updated information.
10. An apparatus for displaying call information in a mobile communication terminal, the apparatus comprising:
a controller for checking the call information when a call occurs;
a memory unit for updating and storing the call information according to a type of call; and
a display unit for displaying the updated call information.
11. The apparatus as claimed in claim 10, wherein the memory unit accumulates and stores a number of call occurrences according to a status of the call, deletes first stored call information and stores latest call information on an uppermost part of a list if the accumulated number of call occurrences exceeds a preset number.
12. The apparatus as claimed in claim 10, wherein the memory unit comprises a database for storing the call information and the updated call information according to a status of the call.
13. The apparatus as claimed in claim 10, wherein the controller comprises a counter for counting a number of call occurrences according to a status of the call, in which the counter maintains the counted number of call occurrences if the number of call occurrences exceed a preset number.
14. The apparatus as claimed in claim 10, further comprising a key input unit for displaying a status of the call and the updated call information in the display unit and for inputting a signal so the status of the call and the updated call information are displayed on different windows according to the status of the call.