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Method for producing spherical furfuryl alcohol resin particles, spherical furfuryl alcohol resin particles produced thereby, spherical carbon particles and spherical activated carbon particles

一种糠醇树脂、制造方法的技术,应用在化学仪器和方法、碳的制备/纯化、碳化合物等方向

Inactive Publication Date: 2013-12-11
ASAHI YUKIZAI KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, as one of such spherical resin particles, spherical furan resin particles obtained by using furans as a raw material are produced by reacting furfuryl alcohol with formaldehyde as clearly shown in JP-A-2007-66669 and the like. Manufactured, and its use as an electrode material for batteries has been studied, but since formaldehyde, which is a harmful substance, must be used as a raw material, in addition to the reaction conditions with furfuryl alcohol, attention must also be paid to the operating environment, etc. question

Method used

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  • Method for producing spherical furfuryl alcohol resin particles, spherical furfuryl alcohol resin particles produced thereby, spherical carbon particles and spherical activated carbon particles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-

[0044] The dodecylbenzenesulfonic acid (pKa=-2) that drops into 0.15 mass parts in the reaction vessel that possesses thermometer, stirring device and reflux cooler is used as the acid catalyst (a) of resinization, further adds 80 mass parts water and After 100 parts by mass of furfuryl alcohol, stir and mix the contents by heating to 80°C and reacting for 1 hour, and then heating to 90°C and reacting (condensation resin) for 1 hour to obtain a furfuryl alcohol condensation product with a weight average molecular weight of 6700. resin. Next, 10 parts by mass of a 5% aqueous solution of gum arabic, 2.5 parts by mass of an aqueous solution of 10% dodecylbenzenesulfonic acid (pKa=-2) as an acid catalyst (b) for curing, and 8.25 parts by mass of water were added thereto. , stirring and mixing for granulation, and reacting at 95° C. for 3 hours (hardening reaction). After the reaction, the inside of the reaction container was cooled to room temperature, followed by filtration, was...

Embodiment 2-

[0047] After adding 0.2 parts by mass of oxalic acid (pKa=1.2), 80 parts by mass of water, and 100 parts by mass of furfuryl alcohol into a reaction vessel equipped with a thermometer, a stirring device and a reflux cooler, the mixed content was heated to 80° C. to react ( condensation resinization) for 2 hours to obtain a furfuryl alcohol condensation resin with a weight average molecular weight of 570. Next, 40 parts by mass of a 5% aqueous solution of gum arabic, 15 parts by mass of a 10% aqueous solution of p-toluenesulfonic acid (pKa=-2.8), and 18.5 parts by mass of water were added thereto to form a reaction system, which was granulated while stirring and mixing. It was reacted at 95° C. for 3 hours (curing reaction). After the above-mentioned reaction, the inside of the reaction container was cooled to room temperature, followed by filtration, washing, and drying, whereby the target furfuryl alcohol resin particles were produced. Then, confirm that the obtained resin p...

Embodiment 3-

[0050] After adding 0.2 parts by mass of oxalic acid (pKa=1.2), 80 parts by mass of water, and 100 parts by mass of furfuryl alcohol into a reaction vessel equipped with a thermometer, a stirring device and a reflux cooler, the mixed content was heated to 80° C. to react ( condensation resinization) for 2 hours to obtain a furfuryl alcohol condensation resin with a weight average molecular weight of 570. Next, 1 part by mass of a 5% aqueous solution of gum arabic, 2.5 parts by mass of a 10% aqueous solution of dodecylbenzenesulfonic acid (pKa=-2), and 16.8 parts by mass of water were added thereto, and stirred and mixed for granulation at 95 The reaction was carried out at °C for 3 hours (curing reaction). After the above-mentioned reaction, the inside of the reaction container was cooled to room temperature, followed by filtration, washing, and drying to produce the target furfuryl alcohol resin particles. Then, confirm that the obtained resin particles are spherical by SEM ...

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Abstract

Provided is a method for the advantageous production of spherical furfuryl alcohol resin particles by resinification and curing using furfuryl alcohol alone without using toxic aldehydes as the starting materials. Furfuryl alcohol is subjected to self-condensation in the presence of an acid catalyst to obtain a furfuryl alcohol condensed resin having fluidity and then the furfuryl alcohol condensed resin is subjected to granulation and curing in the presence of a dispersion stabilizer and an acid catalyst having a pKa of 1.5 or less using water as the reaction medium to form spherical cured resin particles.

Description

technical field [0001] The present invention relates to a method for producing spherical furfuryl alcohol resin particles, spherical furfuryl alcohol resin particles obtained by the production method, and spherical activated carbon particles obtained by firing, carbonizing, and further activating. Background technique [0002] Spherical resin particles have been used in various fields such as filling materials, flame retardants, abrasive materials, porous materials, spacer materials, and carbon material precursors due to their properties. In addition, as one of such spherical resin particles, spherical furan resin particles obtained by using furans as a raw material are produced by reacting furfuryl alcohol with formaldehyde as clearly shown in JP-A-2007-66669 and the like. Manufactured, and its use as an electrode material for batteries has been studied, but since formaldehyde, which is a harmful substance, must be used as a raw material, in addition to the reaction conditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G65/36C01B31/10C01B32/336
CPCC08G65/36C08L71/14C08L2205/18C01B32/05C01B32/336Y10T428/2982C08F134/02
Inventor 松本泰宏村井勇太
Owner ASAHI YUKIZAI KOGYO CO LTD