CN106367015A - Water-proof high-strength adhesive and preparation method thereof - Google Patents
Water-proof high-strength adhesive and preparation method thereof Download PDFInfo
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- CN106367015A CN106367015A CN201610741348.5A CN201610741348A CN106367015A CN 106367015 A CN106367015 A CN 106367015A CN 201610741348 A CN201610741348 A CN 201610741348A CN 106367015 A CN106367015 A CN 106367015A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6492—Lignin containing materials; Wood resins; Wood tars; Derivatives thereof
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Abstract
The invention discloses a water-proof high-strength adhesive. The water-proof high-strength adhesive is prepared by the following raw materials by weight: 5-10 parts of modified lignin, 5-10 parts of maleic anhydride, 40-50 parts of polyether polyol, 20-30 parts of isophorone diisocyanate, 3-5 parts of talcum powder, 5-8 parts of glycol, 1-2 parts of dibutyltin dilaurate, 3-5 parts of polyving akohol, and 1-3 parts of a cross-linking agent. The invention further discloses a preparation method thereof. The lignin of abundant source is used, and modified to react with the polyurethane. The prepared adhesive has good bonding strength and good water resistance. The adhesive is placed in the water and soaked for 3 days, the weight is only increased by 4.1-6.2%, the peel strength is up to 11.9-14.2 N/mm, the abrasion resistance and the corrosion resistance are good, and the application environment of the adhesive is widened. The adhesive has the characteristics of green and environment friendliness, no formaldehyde release, and good application prospect.
Description
Technical field
The present invention relates to adhesive technical field is and in particular to a kind of water-fast high-strength adhesive and preparation method thereof.
Background technology
The wide range that adhesive can use, can apply in many approach.The bonding of such as warming plate, timber
Bonding etc..Wherein Aqueous Adhesives are one of critically important classification, and the resistance to water of Aqueous Adhesives is generally poor, due to it
There is no good resistance to water, therefore limit its application in wet condition, and then have impact on the overall performance of product, glue
The peel strength of glutinous agent is equally also critically important, if peel strength is too low, the properties of product of adhesive is had a great impact, impact
The whole bonding strength of product.
Content of the invention
For the deficiencies in the prior art, the invention provides a kind of water-fast high-strength adhesive and preparation method thereof.
For realizing object above, the present invention is achieved by the following technical programs:
A kind of water-fast high-strength adhesive, is made up of the raw material of following weight portion: modified lignin resin 5-10 part, maleic anhydride 5-
10 parts, polyether polyol 40-50 part, isoflurane chalcone diisocyanate 20-30 part, Pulvis Talci 3-5 part, ethylene glycol 5-8 part, February
Dilaurylate 1-2 part, polyvinyl alcohol 3-5 part, cross-linking agent 1-3 part.
Preferably, it is made up of the raw material of following weight portion: 8 parts of modified lignin resin, 6 parts of maleic anhydride, polyether polyol 42
Part, 25 parts of isoflurane chalcone diisocyanate, 4 parts of Pulvis Talci, 6 parts of ethylene glycol, 1.2 parts of dibutyl tin laurate, polyvinyl alcohol 4
Part, 1.5 parts of cross-linking agent.
Preferably, the preparation method of described modified lignin resin is as follows: alkali lignin is dissolved in oxolane, drips thereto
Plus liquor natrii hypochloritises and catalyst, adjust ph to 3-5, stirring while adding, react 1-2h at 70-80 DEG C, be dried, obtain modified
Lignin.
Preferably, described cross-linking agent is organosilicon cross-linking agent.
The preparation method of water-fast high-strength adhesive, step is as follows:
1) modified lignin resin is dissolved in ethanol, is added thereto to maleic anhydride, mixing and stirring, adjust ph to 4-5,
At 50-60 DEG C, back flow reaction 1-2h, it is cooled to room temperature, vacuum filter, lyophilization, obtain micropowder；
2) polyether polyol is heated to 110-120 DEG C, evacuation is dehydrated, and is cooled to 60-70 DEG C, adds different fluorine that
Ketone diisocyanate, is passed through noble gases, adds ethylene glycol, dibutyl tin laurate to carry out reacting 2-3h, controls reaction temperature
Spend for 70-80 DEG C；
3) by step 1) in micropowder add step 2) in reaction system, react 1-2h at 60-70 DEG C, by reaction temperature
It is down to 40-50 DEG C, adds Pulvis Talci, polyvinyl alcohol, cross-linking agent, stir 1-2h, adjust ph to 6-6.5, obtain final product.
Preferably, described step 2) evacuation dehydration parameter be: vacuum 0.1-0.2mpa, after dehydration moisture content be 2-
4%.
The invention has the advantages that: the present invention adopts the lignin of abundance, to its modified and polyurethane effect, it is obtained
Adhesive there is good adhesion strength and superior resistance to water, put it in water soak 3 days, weight only increases 4.1-
6.2%, peel strength reaches 11.9-14.2n/mm, and wear-resisting, good corrosion resistance, has widened the applied environment of adhesive, green ring
Protect, formaldehydeless release, have good application prospect.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment being obtained under the premise of creative work, broadly falls into the scope of protection of the invention.
Embodiment 1:
A kind of water-fast high-strength adhesive, is made up of the raw material of following weight portion: 8 parts of modified lignin resin, 6 parts of maleic anhydride,
42 parts of polyether polyol, 25 parts of isoflurane chalcone diisocyanate, 4 parts of Pulvis Talci, 6 parts of ethylene glycol, dibutyl tin laurate 1.2
Part, 4 parts of polyvinyl alcohol, 1.5 parts of organosilicon cross-linking agent.
The preparation method of modified lignin resin is as follows: alkali lignin is dissolved in oxolane, thereto Deca sodium hypochlorite
Solution and catalyst, adjust ph to 4, stirring while adding, react 1.5h, be dried, obtain modified lignin resin at 75 DEG C.
The preparation method of water-fast high-strength adhesive, step is as follows:
1) modified lignin resin is dissolved in ethanol, is added thereto to maleic anhydride, mixing and stirring, adjusts ph to 4.5,
At 55 DEG C, back flow reaction 1h, it is cooled to room temperature, vacuum filter, lyophilization, obtain micropowder；
2) polyether polyol is heated to 115 DEG C, is evacuated to 0.1mpa, being dehydrated to moisture content is 3%, is cooled to
65 DEG C, add isoflurane chalcone diisocyanate, be passed through noble gases, add ethylene glycol, dibutyl tin laurate to be reacted
2.5h, controlling reaction temperature is 75 DEG C；
3) by step 1) in micropowder add step 2) in reaction system, react 1.5h at 65 DEG C, reaction temperature dropped
To 45 DEG C, add Pulvis Talci, polyvinyl alcohol, cross-linking agent, stir 1.5h, adjust ph to 6, obtain final product.
Embodiment 2:
A kind of water-fast high-strength adhesive, is made up of the raw material of following weight portion: 5 parts of modified lignin resin, 10 parts of maleic anhydride,
40 parts of polyether polyol, 30 parts of isoflurane chalcone diisocyanate, 3 parts of Pulvis Talci, 8 parts of ethylene glycol, dibutyl tin laurate 1
Part, 5 parts of polyvinyl alcohol, 1 part of organosilicon cross-linking agent.
The preparation method of modified lignin resin is as follows: alkali lignin is dissolved in oxolane, thereto Deca sodium hypochlorite
Solution and catalyst, adjust ph to 3, stirring while adding, react 1h, be dried, obtain modified lignin resin at 70 DEG C.
The preparation method of water-fast high-strength adhesive, step is as follows:
1) modified lignin resin is dissolved in ethanol, is added thereto to maleic anhydride, mixing and stirring, adjusts ph to 4,
At 50 DEG C, back flow reaction 1h, it is cooled to room temperature, vacuum filter, lyophilization, obtain micropowder；
2) polyether polyol is heated to 110 DEG C, is evacuated to 0.1mpa, being dehydrated to moisture content is 2%, is cooled to
60 DEG C, add isoflurane chalcone diisocyanate, be passed through noble gases, add ethylene glycol, dibutyl tin laurate to be reacted
2h, controlling reaction temperature is 70 DEG C；
3) by step 1) in micropowder add step 2) in reaction system, react 1h at 60 DEG C, reaction temperature be down to
40 DEG C, add Pulvis Talci, polyvinyl alcohol, cross-linking agent, stir 1h, adjust ph to 6, obtain final product.
Embodiment 3:
A kind of water-fast high-strength adhesive, is made up of the raw material of following weight portion: 10 parts of modified lignin resin, 5 parts of maleic anhydride,
50 parts of polyether polyol, 20 parts of isoflurane chalcone diisocyanate, 5 parts of Pulvis Talci, 5 parts of ethylene glycol, dibutyl tin laurate 2
Part, 3 parts of polyvinyl alcohol, 3 parts of organosilicon cross-linking agent.
The preparation method of modified lignin resin is as follows: alkali lignin is dissolved in oxolane, thereto Deca sodium hypochlorite
Solution and catalyst, adjust ph to 5, stirring while adding, react 2h, be dried, obtain modified lignin resin at 80 DEG C.
The preparation method of water-fast high-strength adhesive, step is as follows:
1) modified lignin resin is dissolved in ethanol, is added thereto to maleic anhydride, mixing and stirring, adjusts ph to 5,
At 60 DEG C, back flow reaction 2h, it is cooled to room temperature, vacuum filter, lyophilization, obtain micropowder；
2) polyether polyol is heated to 120 DEG C, is evacuated to 0.2mpa, being dehydrated to moisture content is 4%, is cooled to
70 DEG C, add isoflurane chalcone diisocyanate, be passed through noble gases, add ethylene glycol, dibutyl tin laurate to be reacted
3h, controlling reaction temperature is 80 DEG C；
3) by step 1) in micropowder add step 2) in reaction system, react 2h at 70 DEG C, reaction temperature be down to
50 DEG C, add Pulvis Talci, polyvinyl alcohol, cross-linking agent, stir 2h, adjust ph to 6.5, obtain final product.
Embodiment 4:
A kind of water-fast high-strength adhesive, is made up of the raw material of following weight portion: 7 parts of modified lignin resin, 7 parts of maleic anhydride,
45 parts of polyether polyol, 22 parts of isoflurane chalcone diisocyanate, 3.5 parts of Pulvis Talci, 7 parts of ethylene glycol, dibutyl tin laurate
1.4 parts, 4.5 parts of polyvinyl alcohol, 2 parts of organosilicon cross-linking agent.
The preparation method of modified lignin resin is as follows: alkali lignin is dissolved in oxolane, thereto Deca sodium hypochlorite
Solution and catalyst, adjust ph to 4.5, stirring while adding, react 1.5h, be dried, obtain modified lignin resin at 75 DEG C.
The preparation method of water-fast high-strength adhesive, step is as follows:
1) modified lignin resin is dissolved in ethanol, is added thereto to maleic anhydride, mixing and stirring, adjusts ph to 5,
At 60 DEG C, back flow reaction 2h, it is cooled to room temperature, vacuum filter, lyophilization, obtain micropowder；
2) polyether polyol is heated to 120 DEG C, is evacuated to 0.15mpa, being dehydrated to moisture content is 4%, cooling
To 60 DEG C, add isoflurane chalcone diisocyanate, be passed through noble gases, add ethylene glycol, dibutyl tin laurate to carry out instead
Answer 2.5h, controlling reaction temperature is 70 DEG C；
3) by step 1) in micropowder add step 2) in reaction system, react 1h at 70 DEG C, reaction temperature be down to
50 DEG C, add Pulvis Talci, polyvinyl alcohol, cross-linking agent, stir 1h, adjust ph to 6.5, obtain final product.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of water-fast high-strength adhesive is it is characterised in that be made up of the raw material of following weight portion: modified lignin resin 5-10 part,
Maleic anhydride 5-10 part, polyether polyol 40-50 part, isoflurane chalcone diisocyanate 20-30 part, Pulvis Talci 3-5 part, ethylene glycol
5-8 part, dibutyl tin laurate 1-2 part, polyvinyl alcohol 3-5 part, cross-linking agent 1-3 part.
2. as claimed in claim 1 water-fast high-strength adhesive it is characterised in that being made up of the raw material of following weight portion: modified
8 parts of lignin, 6 parts of maleic anhydride, 42 parts of polyether polyol, 25 parts of isoflurane chalcone diisocyanate, 4 parts of Pulvis Talci, ethylene glycol 6
Part, 1.2 parts of dibutyl tin laurate, 4 parts of polyvinyl alcohol, 1.5 parts of cross-linking agent.
3. as claimed in claim 2 water-fast high-strength adhesive it is characterised in that the preparation method of described modified lignin resin such as
Under: alkali lignin is dissolved in oxolane, thereto Deca liquor natrii hypochloritises and catalyst, adjusts ph to 3-5, side edged
Stirring, reacts 1-2h at 70-80 DEG C, is dried, obtains modified lignin resin.
4. as claimed in claim 2 water-fast high-strength adhesive it is characterised in that described cross-linking agent be organosilicon cross-linking agent.
5. the preparation method of described water-fast high-strength adhesive as arbitrary in claim 1-4 is it is characterised in that step is as follows:
1) modified lignin resin is dissolved in ethanol, is added thereto to maleic anhydride, mixing and stirring, adjusts ph to 4-5,
At 50-60 DEG C, back flow reaction 1-2h, it is cooled to room temperature, vacuum filter, lyophilization, obtain micropowder；
2) polyether polyol is heated to 110-120 DEG C, evacuation is dehydrated, and is cooled to 60-70 DEG C, adds isophorone two
Isocyanates, are passed through noble gases, add ethylene glycol, dibutyl tin laurate to carry out reacting 2-3h, controlling reaction temperature is
70-80℃；
3) by step 1) in micropowder add step 2) in reaction system, react 1-2h at 60-70 DEG C, reaction temperature be down to
40-50 DEG C, add Pulvis Talci, polyvinyl alcohol, cross-linking agent, stir 1-2h, adjust ph to 6-6.5, obtain final product.
6. as claimed in claim 5 the preparation method of water-fast high-strength adhesive it is characterised in that described step 2) evacuation takes off
The parameter of water is: vacuum 0.1-0.2mpa, and after dehydration, moisture content is 2-4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741348.5A CN106367015A (en) | 2016-08-27 | 2016-08-27 | Water-proof high-strength adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610741348.5A CN106367015A (en) | 2016-08-27 | 2016-08-27 | Water-proof high-strength adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106367015A true CN106367015A (en) | 2017-02-01 |
Family
ID=57902877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610741348.5A Pending CN106367015A (en) | 2016-08-27 | 2016-08-27 | Water-proof high-strength adhesive and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060616A (en) * | 2017-12-28 | 2018-05-22 | 常德金德新材料科技股份有限公司 | High-barrier coating paper prepared by a kind of biological adhesive by lignin modification |
| CN108531089A (en) * | 2018-05-07 | 2018-09-14 | 安吉祥力胶粘剂有限公司 | A kind of special adhesive of environment friendly decorative material and preparation method thereof |
| CN109096964A (en) * | 2018-07-04 | 2018-12-28 | 滁州环球聚氨酯科技有限公司 | A kind of polyurethane adhesives of water-tolerant |
| CN112625652A (en) * | 2020-12-21 | 2021-04-09 | 华南理工大学 | Lignin/polyether polyol supermolecule composite adhesive and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331321A (en) * | 2015-11-24 | 2016-02-17 | 苏州盖德精细材料有限公司 | Lignin modified waterborne polyurethane adhesive and preparation method thereof |
-
2016
- 2016-08-27 CN CN201610741348.5A patent/CN106367015A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331321A (en) * | 2015-11-24 | 2016-02-17 | 苏州盖德精细材料有限公司 | Lignin modified waterborne polyurethane adhesive and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060616A (en) * | 2017-12-28 | 2018-05-22 | 常德金德新材料科技股份有限公司 | High-barrier coating paper prepared by a kind of biological adhesive by lignin modification |
| CN108531089A (en) * | 2018-05-07 | 2018-09-14 | 安吉祥力胶粘剂有限公司 | A kind of special adhesive of environment friendly decorative material and preparation method thereof |
| CN109096964A (en) * | 2018-07-04 | 2018-12-28 | 滁州环球聚氨酯科技有限公司 | A kind of polyurethane adhesives of water-tolerant |
| CN112625652A (en) * | 2020-12-21 | 2021-04-09 | 华南理工大学 | Lignin/polyether polyol supermolecule composite adhesive and preparation method thereof |
| CN112625652B (en) * | 2020-12-21 | 2021-09-21 | 华南理工大学 | Lignin/polyether polyol supermolecule composite adhesive and preparation method thereof |
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