CN104530446A - Method for preparing polyether polyol by liquifying and modifying peanut shells - Google Patents
Method for preparing polyether polyol by liquifying and modifying peanut shells Download PDFInfo
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- CN104530446A CN104530446A CN201510005022.1A CN201510005022A CN104530446A CN 104530446 A CN104530446 A CN 104530446A CN 201510005022 A CN201510005022 A CN 201510005022A CN 104530446 A CN104530446 A CN 104530446A
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- Prior art keywords
- glycol
- polyether glycol
- prepare
- peanut
- fluidifying
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- 241001553178 Arachis glabrata Species 0.000 title claims abstract description 34
- 235000020232 peanut Nutrition 0.000 title claims abstract description 34
- 235000017060 Arachis glabrata Nutrition 0.000 title claims abstract description 33
- 235000010777 Arachis hypogaea Nutrition 0.000 title claims abstract description 33
- 235000018262 Arachis monticola Nutrition 0.000 title claims abstract description 33
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 33
- 229920000570 polyether Polymers 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229920005862 polyol Polymers 0.000 title abstract 5
- 150000003077 polyols Chemical class 0.000 title abstract 5
- 239000000047 product Substances 0.000 claims abstract description 26
- 239000002253 acid Substances 0.000 claims abstract description 15
- 238000000967 suction filtration Methods 0.000 claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 14
- 238000012986 modification Methods 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000007935 neutral effect Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 103
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 47
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 21
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 19
- -1 polyoxyethylene Polymers 0.000 claims description 18
- 235000012054 meals Nutrition 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 abstract description 8
- 239000002904 solvent Substances 0.000 abstract description 6
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 2
- 239000012263 liquid product Substances 0.000 abstract description 2
- 239000011527 polyurethane coating Substances 0.000 abstract description 2
- 229920003225 polyurethane elastomer Polymers 0.000 abstract description 2
- 239000011496 polyurethane foam Substances 0.000 abstract description 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- 239000012295 chemical reaction liquid Substances 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000009835 boiling Methods 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 239000006210 lotion Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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- Polyethers (AREA)
Abstract
The invention belongs to the technical field of agricultural and sideline product deep processing and polyether polyol, and particularly relates to a method for preparing polyether polyol by liquifying and modifying peanut shells. Treated peanut shell powder is mixed with polyethylene glycol and small molecular alcohol, strong acid is added as a catalyst, a reaction is carried out for 1.0 h to 5.0 h at 120 DEG C to 150 DEG C, alkali is added after the reaction to adjust the pH value of reaction liquid to be neutral, suction filtration is carried out, and filter liquor is liquidation and modification products of peanuts, namely, the polyether polyol. Liquid products are prepared, no other solvents which cannot participate in the reaction are introduced, and no solvent recycling is needed. The liquidation products can replace petroleum-based polyether polyol to prepare various kinds of polyurethane foam, polyurethane elastomer, aqueous polyurethane coatings and the like, and petroleum resources are saved.
Description
Technical field
The invention belongs to processing of agriculture product and polyether glycol technical field, the method for polyether glycol is prepared in a kind of fluidifying peanut shell modification specifically.
Background technology
China is large agricultural country, and the resources such as all kinds of agricultural crop straw, seed hull, owing to having the features such as output is large, distribution is wide, kind is many, are the precious resources of agricultural development for a long time always.
At present, Pericarppium arachidis hypogaeae is mainly taken as feed and burning use in China, does not give full play to its utility value.Pericarppium arachidis hypogaeae is primarily of Mierocrystalline cellulose, hemicellulose and xylogen composition, and wherein contain a large amount of polyether-type natural polymers in xylogen, its structure and petroleum base polyether glycol (raw material of polyurethane material) have similarity.Adopt the xylogen in Pericarppium arachidis hypogaeae to replace the petroleum base polyether glycol of part, not only can improve its added value, and the consumption of petroleum resources of growing tension can be alleviated.But there is following problem: one is that in Pericarppium arachidis hypogaeae, content of lignin is at about 30-35%, and utilization ratio is low, two is extract xylogen process from Pericarppium arachidis hypogaeae to need to consume a large amount of solvents, and solvent recuperation expense is large; Three are xylogen itself is solid-state, still needs by after other solvent liquefaction, just equally can play reactivity worth by image-stone oil base polyether glycol.
Summary of the invention
A kind of fluidifying peanut shell modification is the object of the present invention is to provide to prepare the method for polyether glycol.
For achieving the above object, the technical solution used in the present invention is:
The method of polyether glycol is prepared in a kind of fluidifying peanut shell modification, peanut hull meal after treatment mixes with polyoxyethylene glycol and small molecular alcohol, add strong acid as catalyst, 1.0-5.0h is reacted at 120-150 DEG C, alkali adjustment reacting liquid pH value is added to neutral after reaction, suction filtration, filtrate is the liquefaction modified product of Pericarppium arachidis hypogaeae, i.e. polyether glycol;
Wherein, the consumption of strong acid is the 5-20% of peanut hull meal quality, and polyoxyethylene glycol is molecular weight is the polyoxyethylene glycol of 400-600.
Peanut hull meal after described process is for clean up Pericarppium arachidis hypogaeae water, and remove foreign material, then natural air drying, pulverizing, sieve, and gets the following peanut powder of 60 order, stand-by.
Described strong acid is the vitriol oil, concentrated hydrochloric acid, p-methyl benzenesulfonic acid or solid strong acid.
Described polyoxyethylene glycol, ratio of weight and number between small molecular alcohol and peanut hull meal are 8:2:(1-2).
Described small molecular alcohol is glycerol or ethylene glycol.
Described alkali is highly basic.
Preferred strong acid is the vitriol oil, concentrated hydrochloric acid or solid strong acid.Polyoxyethylene glycol to be molecular-weight average be 400 polyoxyethylene glycol.Highly basic is KOH or NaOH.
The advantage that the present invention has:
The present invention, by liquefaction modification, makes Pericarppium arachidis hypogaeae change into have the material of reactive behavior, becomes the alternative materials of petroleum base polyether glycol, as the important intermediate of producing polyurethane material.
Polyoxyethylene glycol, small molecular alcohol and peanut hull meal, under the katalysis of strong acid, react by the present invention, by peanut hull meal chemical modification, have prepared liquid product simultaneously, have not introduced other reaction solvents, do not need solvent recuperation in reaction process; Liquefied product can replace petroleum base polyether glycol to prepare various polyurethane foam, polyurethane elastomer and aqueous polyurethane coating etc., saves petroleum resources.
Accompanying drawing explanation
The infrared spectrogram of the liquefied product that Fig. 1 provides for the embodiment of the present invention.
The infrared spectrogram of the liquefied product that Fig. 2 provides for the embodiment of the present invention.
The infrared spectrogram of the liquefied product that Fig. 3 provides for the embodiment of the present invention.
The infrared spectrogram of the liquefied product that Fig. 4 provides for the embodiment of the present invention.
The infrared spectrogram of the liquefied product that Fig. 5 provides for the embodiment of the present invention.
The infrared spectrogram of the liquefied product that Fig. 6 provides for the embodiment of the present invention.
Embodiment
In order to better implement the present invention, by following examples, the present invention will be further described but be not limited to these embodiments, according to content of the present invention nonessential improvement and adjustment more made for the present invention, still belongs to scope.
Embodiment 1
In the 1000mL four-hole boiling flask that agitator, thermopair, condensing reflux pipe are housed, add 30g peanut hull meal, polyoxyethylene glycol 240g, glycerol 60g, put into the oil bath pan being preheated to 150 DEG C to stir, slow dropping sulfuric acid 5.1g, after, keep 150 DEG C to react 2 hours, stop stirring and heating, adding KOH neutralization makes reaction mixture to neutral, pours suction filtration in the Büchner funnel being placed with 2 metafiltration paper into and obtains liquefied product, be i.e. polyether glycol (see Fig. 1).Above-mentionedly migrate out the four-hole boiling flask after liquefied product, through repeatedly washing, water lotion is poured suction filtration in Büchner funnel in the lump into and is obtained residue, and residue rate is 1.3%.
Residue rate method of calculation are:
Embodiment 2
In the 1000mL four-hole boiling flask that agitator, thermopair, condensing reflux pipe are housed, add 30g peanut hull meal, polyoxyethylene glycol 240g, glycerol 60g, put into the oil bath pan being preheated to 150 DEG C to stir, slow dropping sulfuric acid 5.1g, after, keep 150 DEG C to react 1 hour, stop stirring and heating, adding KOH neutralization makes reaction mixture to neutral, pours suction filtration in the Büchner funnel being placed with 2 metafiltration paper into and obtains liquefied product, be i.e. polyether glycol (see Fig. 2).Above-mentionedly migrate out the four-hole boiling flask after liquefied product, through repeatedly washing, water lotion is poured suction filtration in Büchner funnel in the lump into and is obtained residue, and residue rate is 2.7%.
Embodiment 3
In the 1000mL four-hole boiling flask that agitator, thermopair, condensing reflux pipe are housed, add 30g peanut hull meal, polyoxyethylene glycol 180g, glycerol 60g, put into the oil bath pan being preheated to 150 DEG C to stir, slow dropping sulfuric acid 5.1g, after, keep 150 DEG C to react 2 hours, stop stirring and heating, adding KOH neutralization makes reaction mixture to neutral, pours suction filtration in the Büchner funnel being placed with 2 metafiltration paper into and obtains liquefied product, be i.e. polyether glycol (see Fig. 3).Above-mentionedly migrate out the four-hole boiling flask after liquefied product, through repeatedly washing, water lotion is poured suction filtration in Büchner funnel in the lump into and is obtained residue, and residue rate is 7.4%.
Embodiment 4
In the 1000mL four-hole boiling flask that agitator, thermopair, condensing reflux pipe are housed, add 30g peanut hull meal, polyoxyethylene glycol 240g, glycerol 60g, put into the oil bath pan being preheated to 140 DEG C to stir, slow dropping sulfuric acid 5.1g, after, keep 140 DEG C to react 2 hours, stop stirring and heating, adding KOH neutralization makes reaction mixture to neutral, pours suction filtration in the Büchner funnel being placed with 2 metafiltration paper into and obtains liquefied product, be i.e. polyether glycol (see Fig. 4).Above-mentionedly migrate out the four-hole boiling flask after liquefied product, through repeatedly washing, water lotion is poured suction filtration in Büchner funnel in the lump into and is obtained residue, and residue rate is 4.3%.
Embodiment 5
In the 1000mL four-hole boiling flask that agitator, thermopair, condensing reflux pipe are housed, add 30g peanut hull meal, polyoxyethylene glycol 240g, glycerol 60g, put into the oil bath pan being preheated to 150 DEG C to stir, gradation adds tosic acid 6.0g, after, 150 DEG C are kept to react 2 hours, stop stirring and heating, adding KOH neutralization makes reaction mixture to neutral, pour suction filtration in the Büchner funnel being placed with 2 metafiltration paper into and obtain liquefied product, be i.e. polyether glycol (see Fig. 5).Above-mentionedly migrate out the four-hole boiling flask after liquefied product, through repeatedly washing, water lotion is poured suction filtration in Büchner funnel in the lump into and is obtained residue, and residue rate is 20.9%.
Embodiment 6
In the 1000mL four-hole boiling flask that agitator, thermopair, condensing reflux pipe are housed, add 30g peanut hull meal, polyoxyethylene glycol 240g, ethylene glycol 60g, solid strong acid 5g, put into the oil bath pan being preheated to 150 DEG C to stir, then 150 DEG C of reactions 2 hours are kept, stop stirring and heating, pour suction filtration in the Büchner funnel being placed with 2 metafiltration paper into and obtain liquefied product, be i.e. polyether glycol (see Fig. 6).Above-mentionedly migrate out the four-hole boiling flask after liquefied product, through repeatedly washing, water lotion is poured suction filtration in Büchner funnel in the lump into and is obtained residue, and residue rate is 1.1%.
Carry out analytic explanation by above-mentioned each figure for the infrared spectrogram of Fig. 1, the infrared spectrogram peak position in other case study on implementation is similar to Fig. 1 with intensity, i.e. 3405cm
-1the neighbouring stretching vibration for phenolic hydroxyl group causes; 2871cm
-1near cause for the symmetrical stretching vibration of C-H in methyl; 1647cm
-1the neighbouring stretching vibration for C=C causes; 1092cm
-1the neighbouring stretching vibration for-C-O-C-causes, and this is the charateristic avsorption band of polyether glycol, illustrates that liquefied product is polyether glycol.
Claims (8)
1. the method for polyether glycol is prepared in a fluidifying peanut shell modification, it is characterized in that: peanut hull meal after treatment mixes with polyoxyethylene glycol and small molecular alcohol, add strong acid as catalyst, 1.0-5.0h is reacted at 120-150 DEG C, alkali adjustment reacting liquid pH value is added to neutral after reaction, suction filtration, filtrate is the liquefaction modified product of Pericarppium arachidis hypogaeae, i.e. polyether glycol;
Wherein, the consumption of strong acid is the 5-20% of peanut hull meal quality, and polyoxyethylene glycol is molecular weight is the polyoxyethylene glycol of 400-600.
2. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: the peanut hull meal after described process, for be cleaned up by Pericarppium arachidis hypogaeae water, removes foreign material, then natural air drying, pulverizing, sieve, get the following peanut powder of 60 order, stand-by.
3. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: described strong acid is the vitriol oil, concentrated hydrochloric acid, p-methyl benzenesulfonic acid or solid strong acid.
4. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: described polyoxyethylene glycol, ratio of weight and number between small molecular alcohol and peanut hull meal are 8:2:(1-2).
5. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: described small molecular alcohol is glycerol or ethylene glycol.
6. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: described strong acid is the vitriol oil, concentrated hydrochloric acid or solid strong acid.
7. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: described polyoxyethylene glycol to be molecular-weight average be 400 polyoxyethylene glycol.
8. prepare the method for polyether glycol by fluidifying peanut shell modification according to claim 1, it is characterized in that: described alkali is highly basic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510005022.1A CN104530446A (en) | 2015-01-06 | 2015-01-06 | Method for preparing polyether polyol by liquifying and modifying peanut shells |
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| CN201510005022.1A CN104530446A (en) | 2015-01-06 | 2015-01-06 | Method for preparing polyether polyol by liquifying and modifying peanut shells |
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| CN201510005022.1A Pending CN104530446A (en) | 2015-01-06 | 2015-01-06 | Method for preparing polyether polyol by liquifying and modifying peanut shells |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109218A (en) * | 2022-06-26 | 2022-09-27 | 瀚寅(苏州)新材料科技有限公司 | Flame-retardant combined polyether and preparation method thereof |
| CN115141341A (en) * | 2022-06-26 | 2022-10-04 | 瀚寅(苏州)新材料科技有限公司 | Combined polyether for full-water-blown polyurethane and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429282A (en) * | 2008-09-24 | 2009-05-13 | 华南理工大学 | Plant fiber based polyether polyol and preparation method thereof |
| CN102181030A (en) * | 2011-04-07 | 2011-09-14 | 中国农业大学 | Method for preparing corncob-base polyurethane rigid foam damping material |
| CN102585142A (en) * | 2011-01-14 | 2012-07-18 | 中国林业科学研究院木材工业研究所 | Biomass polyurethane foam and method for preparing same |
-
2015
- 2015-01-06 CN CN201510005022.1A patent/CN104530446A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429282A (en) * | 2008-09-24 | 2009-05-13 | 华南理工大学 | Plant fiber based polyether polyol and preparation method thereof |
| CN102585142A (en) * | 2011-01-14 | 2012-07-18 | 中国林业科学研究院木材工业研究所 | Biomass polyurethane foam and method for preparing same |
| CN102181030A (en) * | 2011-04-07 | 2011-09-14 | 中国农业大学 | Method for preparing corncob-base polyurethane rigid foam damping material |
Non-Patent Citations (1)
| Title |
|---|
| 许可等: "《固体废弃物资源化利用技术与应用》", 30 June 2012, 郑州大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109218A (en) * | 2022-06-26 | 2022-09-27 | 瀚寅(苏州)新材料科技有限公司 | Flame-retardant combined polyether and preparation method thereof |
| CN115141341A (en) * | 2022-06-26 | 2022-10-04 | 瀚寅(苏州)新材料科技有限公司 | Combined polyether for full-water-blown polyurethane and preparation method thereof |
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