CN106589404A - Lignin modified polyester polyol and preparation method thereof - Google Patents
Lignin modified polyester polyol and preparation method thereof Download PDFInfo
- Publication number
- CN106589404A CN106589404A CN201611171622.6A CN201611171622A CN106589404A CN 106589404 A CN106589404 A CN 106589404A CN 201611171622 A CN201611171622 A CN 201611171622A CN 106589404 A CN106589404 A CN 106589404A
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- CN
- China
- Prior art keywords
- parts
- furfural
- dicyandiamide
- cellulase
- formaldehyde
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
Abstract
The invention discloses lignin modified polyester polyol and a preparation method thereof. The lignin modified polyester polyol consists of the following components in parts by mass: 10-20 parts of calcium lignosulphonate, 6-8 parts of formic acid, 4-6 parts of cellulase, 6-8 parts of furfural, 2-4 parts of dicyandiamide, 5-7 parts of phenol, 2-4 parts of formaldehyde, 3-5 parts of urea, 2-4 parts of sodium hydroxide, 3-5 parts of sodium sulfite and 30-50 parts of water. The lignin modified polyester polyol disclosed by the invention is simple in steps of the preparation method, that is, enzymatic modified calcium lignosulphonate is firstly prepared from calcium lignosulphonate, phenolated calcium lignosulphonate is prepared secondly, and the lignin modified polyester polyol is prepared finally, and waste plastic can be sufficiently utilized, so that the environment can be protected and the energy can be saved; and the prepared lignin modified polyester polyol is stable in property, and is suitable for being used as a raw material for making a foamed plate.
Description
Technical field
The present invention relates to plywood technical field, in particular to a kind of lignin modification PEPA and its preparation
Method.
Background technology
Foam board is using than wide in the market, and the cystosepiment on existing market mostly adopts polyurethane material
Make, the cystosepiment produced can all produce shrinkage phenomenon after placing a period of time, easily deform, and service life is short, heat insulating ability
Can poor, low intensity；Therefore it is badly in need of a kind of alternative materials；PEPA has good physical property as a kind of Organic substance,
Good stability, with good mechanical strength, can be used for making foam board, therefore it is more to be badly in need of a kind of lignin modification polyester
The preparation method of first alcohol.
The content of the invention
The invention provides a kind of lignin modification PEPA and preparation method thereof, the lignin modification of the present invention gathers
The preparation method step of ester polyol is simple, prepares enzymolysis modified calcium lignosulfonate by calcium lignosulfonate first, then makes
Standby phenolate calcium lignosulfonate, is eventually fabricated lignin modification PEPA, can make full use of waste plastics, environmental protection and energy saving,
Prepared lignin modification PEPA stable performance, it is suitable as the raw material for making foam board.
For achieving the above object, the present invention provides following technical scheme：
A kind of lignin modification PEPA and preparation method thereof, is made up of following mass fraction formula components：It is wooden
Plain sulfoacid calcium 10-20 part, formic acid 6-8 parts, cellulase 4-6 parts, furfural 6-8 parts, dicyandiamide 2-4 parts, stupid phenol 5-7 parts, formaldehyde
2-4 parts, carbamide 3-5 parts, sodium hydroxide 2-4 parts, sodium sulfite 3-5 parts, water 30-50 parts.
Further：It is made up of following mass fraction formula components：10 parts of calcium lignosulfonate, 6 parts of formic acid, cellulase 4
Part, 6 parts of furfural, 2 parts of dicyandiamide, 5 parts of stupid phenol, 2 parts of formaldehyde, 3 parts of carbamide, 2 parts of sodium hydroxide, 3 parts of sodium sulfite, 30 parts of water.
Further：It is made up of following mass fraction formula components：15 parts of calcium lignosulfonate, 7 parts of formic acid, cellulase 5
Part, 7 parts of furfural, 3 parts of dicyandiamide, 6 parts of stupid phenol, 3 parts of formaldehyde, 4 parts of carbamide, 3 parts of sodium hydroxide, 4 parts of sodium sulfite, 40 parts of water.
Further：It is made up of following mass fraction formula components：20 parts of calcium lignosulfonate, 8 parts of formic acid, cellulase 6
Part, 8 parts of furfural, 4 parts of dicyandiamide, 7 parts of stupid phenol, 4 parts of formaldehyde, 5 parts of carbamide, 4 parts of sodium hydroxide, 5 parts of sodium sulfite, 50 parts of water.
Further：Preparation method of the present invention has following steps：
Step one, by calcium lignosulfonate, formic acid, cellulase, furfural, dicyandiamide, stupid phenol, formaldehyde, 5 parts of carbamide, hydrogen
Sodium oxide, 5 parts of sodium sulfite, water input reactor, are heated with stirring to 65-90 DEG C；
Step 2, step one is heated to into 190-220 DEG C again, atmospheric agitation reaction 3-6 hours are obtained lignin modification and gather
Ester polyol.
The invention has the beneficial effects as follows：The preparation method step of the lignin modification PEPA of the present invention is simple, first
Enzymolysis modified calcium lignosulfonate is prepared by calcium lignosulfonate first, phenolate calcium lignosulfonate is then prepared, is eventually fabricated wood
Quality modified poly ester polyhydric alcohol, can make full use of waste plastics, environmental protection and energy saving, prepared lignin modification PEPA
Can be stable, it is suitable as the raw material for making foam board.The above is only the preferred embodiment of the present invention, should be referred to
Go out, for those skilled in the art, on the premise of without departing from the technology of the present invention principle, can also make
Some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of protection of the invention.
Embodiment one：
A kind of lignin modification PEPA is made up of following mass fraction formula components：Calcium lignosulfonate 10-20
Part, formic acid 6-8 parts, cellulase 4-6 parts, furfural 6-8 parts, dicyandiamide 2-4 parts, stupid phenol 5-7 parts, formaldehyde 2-4 parts, carbamide 3-5
Part, sodium hydroxide 2-4 parts, sodium sulfite 3-5 parts, water 30-50 parts.
Embodiment two：
A kind of lignin modification PEPA is made up of following mass fraction formula components：10 parts of calcium lignosulfonate,
6 parts of formic acid, 4 parts of cellulase, 6 parts of furfural, 2 parts of dicyandiamide, 5 parts of stupid phenol, 2 parts of formaldehyde, 3 parts of carbamide, 2 parts of sodium hydroxide, Asia
3 parts of sodium sulfate, 30 parts of water.
Embodiment three：
A kind of lignin modification PEPA is made up of following mass fraction formula components：15 parts of calcium lignosulfonate,
7 parts of formic acid, 5 parts of cellulase, 7 parts of furfural, 3 parts of dicyandiamide, 6 parts of stupid phenol, 3 parts of formaldehyde, 4 parts of carbamide, 3 parts of sodium hydroxide, Asia
4 parts of sodium sulfate, 40 parts of water.
Example IV：
A kind of lignin modification PEPA is made up of following mass fraction formula components：20 parts of calcium lignosulfonate,
8 parts of formic acid, 6 parts of cellulase, 8 parts of furfural, 4 parts of dicyandiamide, 7 parts of stupid phenol, 4 parts of formaldehyde, 5 parts of carbamide, 4 parts of sodium hydroxide, Asia
5 parts of sodium sulfate, 50 parts of water.
Embodiment five：
A kind of preparation method preparation method of lignin modification PEPA comprises the steps：
Step one, by calcium lignosulfonate, formic acid, cellulase, furfural, dicyandiamide, stupid phenol, formaldehyde, 5 parts of carbamide, hydrogen
Sodium oxide, 5 parts of sodium sulfite, water input reactor, are heated with stirring to 65-90 DEG C；
Step 2, step one is heated to into 190-220 DEG C again, atmospheric agitation reaction 3-6 hours are obtained lignin modification and gather
Ester polyol.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of lignin modification PEPA, it is characterised in that：It is made up of following mass fraction formula components：
Calcium lignosulfonate 10-20 parts, formic acid 6-8 parts, cellulase 4-6 parts, furfural 6-8 parts, dicyandiamide 2-4 parts, stupid phenol 5-7
Part, formaldehyde 2-4 parts, carbamide 3-5 parts, sodium hydroxide 2-4 parts, sodium sulfite 3-5 parts, water 30-50 parts.
2. a kind of lignin modification PEPA according to claim 1, it is characterised in that：Matched somebody with somebody by following mass fraction
Side is into being grouped into：
10 parts of calcium lignosulfonate, 6 parts of formic acid, 4 parts of cellulase, 6 parts of furfural, 2 parts of dicyandiamide, 5 parts of stupid phenol, 2 parts of formaldehyde, urine
3 parts of element, 2 parts of sodium hydroxide, 3 parts of sodium sulfite, 30 parts of water.
3. a kind of lignin modification PEPA according to claim 1, it is characterised in that：Matched somebody with somebody by following mass fraction
Side is into being grouped into：
15 parts of calcium lignosulfonate, 7 parts of formic acid, 5 parts of cellulase, 7 parts of furfural, 3 parts of dicyandiamide, 6 parts of stupid phenol, 3 parts of formaldehyde, urine
4 parts of element, 3 parts of sodium hydroxide, 4 parts of sodium sulfite, 40 parts of water.
4. a kind of lignin modification PEPA according to claim 1, it is characterised in that：Matched somebody with somebody by following mass fraction
Side is into being grouped into：
20 parts of calcium lignosulfonate, 8 parts of formic acid, 6 parts of cellulase, 8 parts of furfural, 4 parts of dicyandiamide, 7 parts of stupid phenol, 4 parts of formaldehyde, urine
5 parts of element, 4 parts of sodium hydroxide, 5 parts of sodium sulfite, 50 parts of water.
5. a kind of a kind of preparation method of lignin modification PEPA according to claim 1, it is characterised in that：Bag
Include following steps：
Step one, by calcium lignosulfonate, formic acid, cellulase, furfural, dicyandiamide, stupid phenol, formaldehyde, 5 parts of carbamide, hydroxide
Sodium, 5 parts of sodium sulfite, water input reactor, are heated with stirring to 65-90 DEG C；
Step 2, step one is heated to into 190-220 DEG C again, atmospheric agitation reaction 3-6 hours are obtained lignin modification polyester many
First alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611171622.6A CN106589404A (en) | 2016-12-17 | 2016-12-17 | Lignin modified polyester polyol and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611171622.6A CN106589404A (en) | 2016-12-17 | 2016-12-17 | Lignin modified polyester polyol and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362348A (en) * | 2017-06-26 | 2017-11-21 | 安徽省黄淮兽药有限公司 | A kind of fish insect killing agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103755974A (en) * | 2014-01-23 | 2014-04-30 | 单成敏 | Preparation method of lignin modified polyester polyol |
-
2016
- 2016-12-17 CN CN201611171622.6A patent/CN106589404A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103755974A (en) * | 2014-01-23 | 2014-04-30 | 单成敏 | Preparation method of lignin modified polyester polyol |
Non-Patent Citations (2)
| Title |
|---|
| 刘益军: "《聚氨酯原料及助剂手册 第2版》", 31 January 2013, 北京：化学工业出版社 * |
| 张毅 等: "《竹原纤维及其产品的制备与工艺》", 31 March 2014, 北京：中国纺织出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362348A (en) * | 2017-06-26 | 2017-11-21 | 安徽省黄淮兽药有限公司 | A kind of fish insect killing agent and preparation method thereof |
| CN107362348B (en) * | 2017-06-26 | 2021-01-12 | 安徽省凯强生物科技有限公司 | Fishing pesticide and preparation method thereof |
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