CN109609080A - A kind of isocyanates used for shaving board (environment-friendly type) adhesive and preparation method thereof - Google Patents
A kind of isocyanates used for shaving board (environment-friendly type) adhesive and preparation method thereof Download PDFInfo
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- CN109609080A CN109609080A CN201811394025.9A CN201811394025A CN109609080A CN 109609080 A CN109609080 A CN 109609080A CN 201811394025 A CN201811394025 A CN 201811394025A CN 109609080 A CN109609080 A CN 109609080A
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- isocyanates
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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
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6212—Polymers of alkenylalcohols; Acetals thereof; Oxyalkylation products 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
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
- C08G18/6446—Proteins and 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
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6484—Polysaccharides and 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
- C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6511—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203
- C08G18/6517—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/675—Low-molecular-weight compounds
- C08G18/6755—Unsaturated carboxylic acids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of isocyanates (environment-friendly type) adhesives used for shaving board and preparation method thereof.The main component of isocyanates (environment-friendly type) adhesive used for shaving board is isocyanates 30-40 parts, 50-60 parts of polyalcohol, 1-3 parts of initiator, 5-10 parts of acrylic acid, 1-3 parts of chain extender, 3-5 parts of starch, 3-5 parts of polyvinyl alcohol, 5-7 parts of soybean protein, 1-3 parts of aqueous tackifier, 100-200 parts of water.Isocyanates used for shaving board (environment-friendly type) adhesive preparation process of the invention is simply mature, and low production cost environmental protection operates easily controllable.
Description
Technical field
The present invention relates to a kind of aid for paper making, and in particular to a kind of isocyanates (environment-friendly type) adhesive used for shaving board
Preparation, belongs to pulp technology for making paper.
Background technique
The adhesive that China's wood-based plate produces and uses at present is mainly urea-formaldehyde resin adhesive and a small amount of phenolic resin glue
Stick still cannot thoroughly solve free formaldehyde although a part of manufacturer has used UF Resin Adhesive with Low Toxicity
Release problem.Isocyanate adhesive category non-formaldehyde system adhesive made of synthetic resin, its applying in Wood-based Panel Production will
Thoroughly solve the problems, such as that artificial board formaldehyde discharges.
But simple isocyanate adhesive price height, poor water resistance, adhesion strength are low.
Summary of the invention
It is existing to overcome the main purpose of the present invention is to provide a kind of isocyanates (environment-friendly type) adhesive used for shaving board
The deficiency of technology.
Another object of the present invention is to provide a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board,
It has many advantages, such as simple process and low cost.
A further object of the present invention is to provide aforementioned isocyanates (environment-friendly type) adhesives used for shaving board at paper products
Application in reason.
To realize aforementioned invention purpose, the technical solution adopted by the present invention is as follows:
A kind of isocyanates used for shaving board (environment-friendly type) adhesive, super isocyanates (environment-friendly type) bonding used for shaving board
Agent includes the raw material of following parts by weight: 30-40 parts of isocyanates, 50-60 parts of polyalcohol, 1-3 parts of initiator, acrylic acid 5-10
Part, 1-3 parts of chain extender, 3-5 parts of starch, 3-5 parts of polyvinyl alcohol, 5-7 parts of soybean protein, 1-3 parts of aqueous tackifier, water 100-
200 parts.
Preferably, the isocyanates is diisocyanate, and the diisocyanate is toluene di-isocyanate(TDI)
(TDI), isophorone diisocyanate (IPDI), methyl diphenylene diisocyanate (MDI), hexamethylene diisocyanate
One of (HDI) or more than one.
Preferably, the chain extender is DMPA, N60, glycerol, sorbierite, 1,4-butanediol, ethylene glycol, a contracting diethyl
One of glycol, ethylenediamine, trimethylolpropane, neopentyl glycol or more than one.
Preferably, the polyalcohol is ethylene glycol, glycerine, polyethylene glycol, pentaerythrite, glycerol, xylitol, sorb
One of alcohol or more than one.
Preferably, the initiator is one of potassium peroxydisulfate, ammonium persulfate, tert-butyl hydroperoxide, benzoyl
Or more than one.
Preferably, the starch is cationic starch, and the cationic starch is cornstarch, in potato starch
It is one or more than one kinds of.
Preferably, the aqueous tackifier is using modified rosin polyester, high molecular surfactant as raw material, through special
A kind of high solid content emulsion made of homogenization emulsification.
A kind of preparation method of isocyanates used for shaving board (environment-friendly type) adhesive comprising:
(1) in nitrogen protective atmosphere, isocyanates 30-40 parts, 50-60 parts of polyalcohol, third are added in a kettle
5-10 parts of olefin(e) acid, while being slowly added dropwise 1-3 parts of initiator, it is sufficiently stirred 5-7h, mixing speed 500-1000rpm, room temperature is anti-
It answers；
(2) chain extender 1-3 parts, 3-5 parts of starch, 3-5 parts of polyvinyl alcohol, 5-7 parts of soybean protein, aqueous tackifier is added
1-3 parts, 100-200 parts of water, 1000-2000rpm stir 1-2h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
Preferably, the rate of addition of the initiator is 1-2mL/min.
Compared with prior art, the beneficial effects of the present invention are:
1. isocyanates used for shaving board (environment-friendly type) adhesive of the invention is the dispersion using water as medium, have not
It fires, is nontoxic, free from environmental pollution, saving the advantages that energy and operation are easy to process.
2. isocyanates used for shaving board (environment-friendly type) adhesive of the invention is by between isocyanate group and fiber
Hydroxyl reaction, converts chemical bonds for Hydrogenbond, enhances the physical strength of substrate.
3. isocyanates used for shaving board (environment-friendly type) adhesive of the invention uses aqueous tackifier, there is significant thickening
Effect and extensive compatibility, the thickening for this adhesive.
4. isocyanates used for shaving board (environment-friendly type) adhesive of the invention joined acrylic acid, acrylic acid can be with isocyanide
Acid esters reaction, increases the degree of cross linking, enhances the physical strength of substrate.
5. isocyanates used for shaving board (environment-friendly type) adhesive storage stability of the invention is good.
6. mutual compatibility, collaboration between various raw materials used in isocyanates used for shaving board (environment-friendly type) adhesive of the invention
Effect, collectively constitutes the product haveing excellent performance.
7. isocyanates used for shaving board (environment-friendly type) adhesive of the invention contains free isocyanate group, it can be with timber table
The reactions such as the active site such as hydroxyl on face form chemical bond splicing, enhance the physical strength of substrate.
8. simplifying technique, safe operation is simple, easy to industrialized production.
9. use of the invention can receive good economic benefit.
Detailed description of the invention
Fig. 1 is the preparation flow figure of isocyanates used for shaving board (environment-friendly type) adhesive.
Specific embodiment
In view of deficiency in the prior art, inventor is studied for a long period of time and is largely practiced, and is able to propose of the invention
Technical solution.Below with reference to several case study on implementation, the present invention is described in further detail.
Embodiment 1:
The present invention provides a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board, specific steps packets
It includes:
(1) in nitrogen protective atmosphere, 30 parts of toluene di-isocyanate(TDI) (TDI), sorbierite 50 are added in a kettle
Part, 5 parts of acrylic acid, while it being slowly added dropwise 1 part of potassium peroxydisulfate, 5h is sufficiently stirred in rate of addition 1mL/min, and mixing speed is
500rpm, normal-temperature reaction；
(2) 1 part of glycerol, 3 parts of cornstarch, 3 parts of polyvinyl alcohol, 5 parts of soybean protein, 1 part of aqueous tackifier, water is added
100 parts, 1000rpm, stir 1h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
Embodiment 2:
The present invention provides a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board, specific steps packets
It includes:
(1) in nitrogen protective atmosphere, 35 parts of isophorone diisocyanate (IPDI), season penta are added in a kettle
55 parts of tetrol, 8 parts of acrylic acid, while 2 parts of tert-butyl hydroperoxide are slowly added dropwise, rate of addition 1.5mL/min is sufficiently stirred
6h, mixing speed 800rpm, normal-temperature reaction；
(2) 2 parts of 1,4-butanediol, 4 parts of cornstarch, 4 parts of polyvinyl alcohol, 6 parts of soybean protein, aqueous tackifier is added
2 parts, 150 parts of water, 2000rpm stir 2h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
Embodiment 3:
The present invention provides a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board, specific steps packets
It includes:
(1) in nitrogen protective atmosphere, 40 parts of methyl diphenylene diisocyanate (MDI), second are added in a kettle
60 parts of glycol, 10 parts of acrylic acid, while 3 parts of ammonium persulfate are slowly added dropwise, 7h is sufficiently stirred in rate of addition 2mL/min, stirring
Speed is 1000rpm, normal-temperature reaction；
(2) 3 parts of trimethylolpropane, 5 parts of potato starch, 5 parts of polyvinyl alcohol, 7 parts of soybean protein, aqueous increasing is added
3 parts of stick, 200 parts of water, 2000rpm stir 2h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
Reference examples 1:
The present invention provides a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board, specific steps packets
It includes:
(1) in nitrogen protective atmosphere, 30 parts of toluene di-isocyanate(TDI) (TDI), sorbierite 50 are added in a kettle
Part, 5 parts of acrylic acid, while it being slowly added dropwise 1 part of potassium peroxydisulfate, 5h is sufficiently stirred in rate of addition 1mL/min, and mixing speed is
500rpm, normal-temperature reaction；
(2) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
Reference examples 2:
The present invention provides a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board, specific steps packets
It includes:
(1) in nitrogen protective atmosphere, 35 parts of isophorone diisocyanate (IPDI), propylene are added in a kettle
8 parts of acid, while 2 parts of tert-butyl hydroperoxide are slowly added dropwise, 6h is sufficiently stirred in rate of addition 1.5mL/min, and mixing speed is
800rpm, normal-temperature reaction；
(2) 2 parts of 1,4-butanediol, 4 parts of cornstarch, 4 parts of polyvinyl alcohol, 6 parts of soybean protein, aqueous tackifier is added
2 parts, 150 parts of water, 2000rpm stir 2h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
Reference examples 3:
The present invention provides a kind of preparation method of isocyanates (environment-friendly type) adhesive used for shaving board, specific steps packets
It includes:
(1) in nitrogen protective atmosphere, 40 parts of methyl diphenylene diisocyanate (MDI), second are added in a kettle
60 parts of glycol, while 3 parts of ammonium persulfate are slowly added dropwise, 7h is sufficiently stirred in rate of addition 2mL/min, and mixing speed is
1000rpm, normal-temperature reaction；
(2) 3 parts of trimethylolpropane, 5 parts of potato starch, 5 parts of polyvinyl alcohol, 7 parts of soybean protein, aqueous increasing is added
3 parts of stick, 200 parts of water, 2000rpm stir 2h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
The above-mentioned various embodiments enumerated can be combined with each other implementation, those skilled in the art under the premise of reconcilable
In combination with above to the explanation of embodiment, as the foundation being combined to the technical characteristic in different embodiments.
Test case
Under the same conditions, compound experiment is carried out according to the experimental method of embodiment 1.2.3 and reference examples 1.2.3, carried out
Performance test results are as follows:
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of isocyanates used for shaving board (environment-friendly type) adhesive, it is characterised in that: the super isocyanates (ring used for shaving board
Guarantor's type) adhesive include following parts by weight raw material: 30-40 parts of isocyanates, 50-60 parts of polyalcohol, 1-3 parts of initiator,
5-10 parts of acrylic acid, 1-3 parts of chain extender, 3-5 parts of starch, 3-5 parts of polyvinyl alcohol, 5-7 parts of soybean protein, aqueous tackifier 1-
3 parts, 100-200 parts of water.
2. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 1, it is characterised in that
The isocyanates is diisocyanate, and the diisocyanate is toluene di-isocyanate(TDI) (TDI), isophorone two is different
One of cyanate (IPDI), methyl diphenylene diisocyanate (MDI), hexamethylene diisocyanate (HDI) or one
Kind or more.
3. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 1, it is characterised in that
The chain extender is DMPA, N60, glycerol, sorbierite, 1,4-butanediol, ethylene glycol, diglycol, ethylenediamine, three hydroxyls
One of methylpropane, neopentyl glycol or more than one.
4. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 1, it is characterised in that
The polyalcohol be one of ethylene glycol, glycerine, polyethylene glycol, pentaerythrite, glycerol, xylitol, sorbierite or
More than one.
5. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 1, it is characterised in that
The initiator be one of potassium peroxydisulfate, ammonium persulfate, tert-butyl hydroperoxide, benzoyl or more than one.
6. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 1, it is characterised in that
The starch is cationic starch, and the cationic starch is one of cornstarch, potato starch or one kind
More than.
7. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 1, it is characterised in that
The aqueous tackifier be using modified rosin polyester, high molecular surfactant as raw material, emulsified through special homogenization and
At a kind of high solid content emulsion.
8. the preparation method of isocyanates (environment-friendly type) adhesive used for shaving board as described in claim 1, characterized by comprising:
(1) in nitrogen protective atmosphere, isocyanates 30-40 parts, 50-60 parts of polyalcohol, acrylic acid are added in a kettle
5-10 parts, while 1-3 parts of initiator are slowly added dropwise, 5-7h, mixing speed 500-1000rpm, normal-temperature reaction is sufficiently stirred；
(2) chain extender 1-3 parts, 3-5 parts of starch, 3-5 parts of polyvinyl alcohol, 5-7 parts of soybean protein, aqueous tackifier 1-3 is added
Part, 100-200 parts of water, 1000-2000rpm stir 1-2h；
(3) to it is described after reaction, it can obtain described isocyanates used for shaving board (environment-friendly type) adhesive.
9. the preparation method of isocyanates used for shaving board (environment-friendly type) adhesive according to claim 8, it is characterised in that
The rate of addition of the initiator is 1-2mL/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394025.9A CN109609080A (en) | 2018-11-21 | 2018-11-21 | A kind of isocyanates used for shaving board (environment-friendly type) adhesive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394025.9A CN109609080A (en) | 2018-11-21 | 2018-11-21 | A kind of isocyanates used for shaving board (environment-friendly type) adhesive and preparation method thereof |
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| CN109609080A true CN109609080A (en) | 2019-04-12 |
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ID=66004377
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| CN201811394025.9A Pending CN109609080A (en) | 2018-11-21 | 2018-11-21 | A kind of isocyanates used for shaving board (environment-friendly type) adhesive and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111234763A (en) * | 2020-01-19 | 2020-06-05 | 广西壮族自治区林业科学研究院 | Compound foaming adhesive for light shaving board |
| CN111844300A (en) * | 2020-07-29 | 2020-10-30 | 宿州洛通木业有限公司 | Fireproof wood treatment method |
| EP3995538A1 (en) * | 2020-11-04 | 2022-05-11 | SWISS KRONO Tec AG | Sugar-containing binder system for wood material boards, a method for producing a wood material board using this sugar-containing binder system and wood material board obtained by this method |
| EP4129597A1 (en) * | 2021-08-05 | 2023-02-08 | SWISS KRONO Tec AG | Sugar-containing binder system for wood material boards, a method for producing a wood material board using this sugar-containing binder system and wood material board obtained by this method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111234763A (en) * | 2020-01-19 | 2020-06-05 | 广西壮族自治区林业科学研究院 | Compound foaming adhesive for light shaving board |
| CN111844300A (en) * | 2020-07-29 | 2020-10-30 | 宿州洛通木业有限公司 | Fireproof wood treatment method |
| EP3995538A1 (en) * | 2020-11-04 | 2022-05-11 | SWISS KRONO Tec AG | Sugar-containing binder system for wood material boards, a method for producing a wood material board using this sugar-containing binder system and wood material board obtained by this method |
| EP4129597A1 (en) * | 2021-08-05 | 2023-02-08 | SWISS KRONO Tec AG | Sugar-containing binder system for wood material boards, a method for producing a wood material board using this sugar-containing binder system and wood material board obtained by this method |
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Application publication date: 20190412 |