TH1903002133C3 - Process for producing oil-absorbing carbon fiber sheets - Google Patents

Abstract

Production process of carbon fiber sheets to absorb oil It is fabricated to make the surface of the sheet. Carbon fibers can absorb oily substances well. By bringing natural fiber materials from plants and animals such as cotton, kapok, hemp, wool and silk, through the carbonization process. with inert gases such as nitrogen and argon by pyrolysis method5 by cleaning the fibers by boiling at 100 °C for 3 hours, repeating 3 times, then soaking in chlorine oxidizer for 1 hour and then washing out, formed by extrusion method Bake at 100-150 °C for 24 hours, then put in a furnace at room temperature using inert gas. All pyrolysis processes are performed under an inert gas atmosphere or vacuum. ------------ Page 1 of 1 Summary of Invention Carbon fiber sheets absorb oil and such production processes. It is fabricated to make the surface of the sheet. Carbon fibers can absorb oily substances well. By bringing natural fiber materials from plants and animals such as cotton, kapok, hemp, wool and silk through the carbonization process. with inert gas such as nitrogen, argon, by pyrolysis method by cleaning the fiber by boiling method at 100°C for 3 hours, repeating 3 times, then soaking in chlorine oxidizer for 1 hour, then rinse. Formed by extrusion method, annealed at 100-150 °C for 24 h, and then put in a furnace at room temperature using inert gas. Throughout the pyrolysis process, it is performed under inert gas atmosphere or vacuum.

Claims (2)

1. Process for producing oil-absorbing carbon fiber sheets There are steps as follows: A. Clean natural fibers. with deionized water By boiling at a temperature 100 degrees Celsius for 3 hours, do it 3 times, soak in a solution of Chlorine Oxidants for 1 hour, then rinse thoroughly. It is then molded using a cotton molding machine. Bake at 100-150 degrees Celsius for 24 hours to eliminate browning. Take the fiber sheets obtained from the joints. Enter the kiln at room temperature. Then let the gas be inert. Selected from nitrogen or argon flowing into the furnace system. or done in a vacuum system With a flow rate of 10-100 ml./min. Then adjust the oven temperature to 500-800 degrees Celsius and set the timer to maintain that temperature for 30-60 minutes. When the specified time has elapsed, Reduce the temperature inside the oven until it reaches temperature. (The entire pyrolysis process is done under an inert gas atmosphere or vacuum) and then taken out of the furnace. The workpiece will look black. Then store it in a box or envelope at room temperature. 2 Process for producing oil-absorbing carbon fiber sheets according to claim 1, where natural fibers can be selected from natural fibers from plants. You can choose from cotton, kapok, hemp or hemp or natural fibers from animals. that can be chosen from wool or silk ------------ Page 1 of 1 page Claims 1. Oil-absorbing carbon fiber sheets consist of - natural fiber materials, including natural fibers from plants such as cotton, kapok, hemp, jute, etc., natural fibers from animals such as wool, silk, etc. by choosing any type of natural fiber. In the production of oil-absorbing carbon fiber sheets which natural fibers processing Will be modified into fibers whose main component is carbon. In addition, the specific surface area is increased and the charge on the surface is less. Higher pore volume 2. The process of producing oil-absorbing carbon fiber sheets according to claim 1 has the following steps: a. Clean the plant cellulose fibers. with deionized water By boiling at a temperature of 100 degrees Celsius for 3 hours, do it 3 times. B. Soak in a solution of chlorine oxidants for 1 hour, then rinse thoroughly. C. Take it to form with a machine. Figure in the form of cotton wool. D. Bake at 100-150 degrees Celsius for 24 hours to eliminate waxiness. E. Put the fiber sheets obtained from item B into the kiln at room temperature. Then let inert gases (nitrogen, argon, etc.) flow into the furnace system. or done in a vacuum system With a flow rate of 10-100 ml./min. (This depends on the size of the chamber, which is the room or part of the area that has appropriate conditions for the reaction to occur.) Then adjust the furnace temperature to 500-800 degrees Celsius and set the timer to maintain that temperature for 30- 60 minutes according to the amount of fiber. When the specified time has elapsed Reduce the temperature inside the oven until it reaches temperature. (throughout the entire process Pyrolysis is performed under an inert gas atmosphere or vacuum) and then removed from the furnace. The work will look black and then keep it in a box or envelope at room temperature.