CN109401674A - A kind of integrated timber adhesive and preparation method thereof - Google Patents
A kind of integrated timber adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN109401674A CN109401674A CN201811092444.7A CN201811092444A CN109401674A CN 109401674 A CN109401674 A CN 109401674A CN 201811092444 A CN201811092444 A CN 201811092444A CN 109401674 A CN109401674 A CN 109401674A
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- Prior art keywords
- parts
- adhesive
- integrated timber
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Classifications
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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
- C09J107/00—Adhesives based on natural rubber
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The present invention relates to adhesive fields, disclose that the present invention relates to adhesive fields, disclose a kind of integrated timber adhesive and preparation method thereof, the component including following parts by weight: 100-300 parts of water, 10-30 parts of polyvinyl alcohol, 10-30 parts of bridging agent, 100-300 parts of silica solution, 300-700 parts of rubber latex, 10-50 parts of polyethylene glycol 400,50-300 parts of aqueous epoxy resins, 100-500 parts of calcium carbonate.The application also provides the preparation method of above-mentioned jigsaw adhesive.Using adhesive made from preparation method described herein, its storage period, sizing, glue-joint strength, waterproof performance, environmental-protecting performance is made to reach the requirement of integrated timber glue.
Description
Technical field
The present invention relates to adhesive field, a kind of integrated timber adhesive and preparation method thereof is particularly related to.
Background technique
With the national economic development and the improvement of people's living standards, the China forest is increasingly increased to the demand of timber
Shortage of resources, comprehensive utilization timber resources are very necessary.Wherein, integrated timber is exactly a good method.Integrated timber is to utilize
Timber processing in tailing or small dimension timber, longitudinally referred to connect with it is horizontally-spliced, and lamination splicing made of timber.
The material of different size can be made in integrated timber according to design requirement.It not only remains the structure and characteristic of natural timber, and
It is even stronger than natural timber in terms of processing with technical performance, has been widely used in the industries such as building, house ornamentation, furniture.Collection at present
It becomes a useful person and produces adhesive used in industry mainly and have phenolic resin, amino resins and isocyanate adhesive etc..Phenolic resin,
Formaldehyde and free phenol can be gradually released in its polymerization process of amino resins and use process.And its waterproof performance is not good enough.It is different
The curing agent of cyanate ester adhesive --- carbimide itself has toxicity and poor storage performance, chance water easily solidify, is expensive.
Therefore, safe and environment-friendly, low-cost adhesive is developed with regard to significant.
Summary of the invention
The invention proposes a kind of integrated timber adhesives, use nature rubber latex for raw material, are free of formaldehyde, safety collar
It protects.
The technical scheme of the present invention is realized as follows:
A kind of integrated timber adhesive, the component including following parts by weight: 100-300 parts of water, polyvinyl alcohol (PVA)
10-30 parts, 10-30 parts of bridging agent, 100-300 parts of silica solution, 300-700 parts of rubber latex, polyethylene glycol 400 (PEG400)
10-50 parts, 50-300 parts of aqueous epoxy resins, 100-500 parts of calcium carbonate.
Further, the integrated timber adhesive includes the component of following parts by weight: 180 parts of water, polyvinyl alcohol
(PVA) 20 parts, 20 parts of bridging agent, 200 parts of silica solution, 500 parts of rubber latex, 30 parts of polyethylene glycol 400 (PEG400), aqueous ring
200 parts of oxygen resin, 300 parts of calcium carbonate.
Further, the rubber liquid is nature rubber latex.
Further, the silica solution is alkaline silica sol.
Further, the bridging agent is polyphenyl polymethylene polyisocyanates (PAPI), diphenylmethane diisocyanate
Ester (MDI) or toluene di-isocyanate(TDI) (TDI).
Further, the calcium carbonate is 500-800 mesh.
The preparation method of above-mentioned integrated timber adhesive, comprising the following steps:
(1) water of formula ratio is weighed, heats, the polyvinyl alcohol of formula ratio is added, stirs, be warming up to dissolution；Heat-retaining condition
Silica solution is added in lower addition bridging agent after reaction, cooling；
(2) rubber liquid and polyethylene glycol 400 are sequentially added, it is cooling after reaction, sequentially add water-base epoxy and carbonic acid
Calcium, it is cooling to get.
Further, in the step (1), water is heated to 60-80 DEG C；After polyvinyl alcohol is added；It is protected after polyvinyl alcohol dissolution
It keeps steady and is scheduled on 70-90 DEG C.
Further, in the step (1), bridging agent is added dropwise, and is reacted 10-40 minutes later；It is cold after addition silica solution
But to 50-70 DEG C.
Further, it in the step (2), after polyethylene glycol 400 is added, reacts 50-80 minutes, is cooled to 30-40 later
℃。
Beneficial effects of the present invention:
Integrated timber of the present invention is had the advantage that with adhesive
1. natural, environmental protection, raw material are formaldehydeless using natural rubber and silica solution, single-component water-based epoxy as primary raw material
Etc. the chemicals that is harmful to the human body, safety and environmental protection.
2. functional, use of the integrated timber to adhesive is fully achieved with aqueous liquid rubber adhesive in a kind of integrated timber
Performance requirement.
3. remarkable in economical benefits, for the synthetic adhesive using banana lotion as primary raw material, production cost is significantly lower than isocyanide
Sour rouge adhesive, economic benefit are obvious.
It uses the fresh nature rubber latex cut out for main raw material(s), cooperates alkaline silica sol, single-component water-based epoxy
Resin and other auxiliary materials are free of formaldehyde using special process flow polymer production process material adhesive
Etc. harmful substances, be single-component glue, it is easy to operate without mixing when use.
Wherein nature rubber latex has the characteristics that cohesive force is strong, molecular weight is big, and (molecular formula is alkaline silica sol
mSiO2.nH2It O is) by the silicon dioxide granule that differs in size uncertain existing colloidal solution in water, pH value is 9-10's
It is the good small-molecule substance of wettability in range, and water-base epoxy has the characteristics that waterproof performance, normal temperature cure performance are good.
It is reacted in preparation method of the present invention by heating, the inorganic and organic molecule in above-mentioned substance links, and makes manufactured
Adhesive storage period, sizing, glue-joint strength, waterproof performance, environmental-protecting performance significantly improve, through detecting, above-mentioned adhesive,
Solid content >=60%, Ph value 8-10, viscosity >=100mpa.s, free formaldehyde: nothing reaches the requirement of integrated timber glue.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
Embodiment 1
A kind of integrated timber adhesive, the component including following parts by weight: water 100g, PVA 10g, bridging agent 10g, alkali
Property silica solution 100g, newly cuts the calcium carbonate of nature rubber latex 300g, PEG400 10g, aqueous epoxy resins 50g, 500 mesh
100g.In the present embodiment, bridging agent selects polyphenyl polymethylene polyisocyanates (PAPI).
The preparation method of above-mentioned integrated timber adhesive, comprising the following steps:
(1) water for weighing formula ratio is heated to 60 DEG C, and PVA is added, and stirring, heating make it completely dissolved；70 DEG C of heat preservations
Under the conditions of be added dropwise bridging agent PAPI, silica solution is added in reaction after forty minutes, is cooled to 50 DEG C；
(2) rubber liquid and PEG400 are sequentially added, it is 30 DEG C cooling after reaction 50 minutes, sequentially add water-base epoxy
And calcium carbonate, be cooled to room temperature, about 15-35 DEG C or so to get.
Embodiment 2
A kind of integrated timber adhesive includes the component of following parts by weight: water 180g, PVA 20g, bridging agent 20g, silicon
Colloidal sol 200g, rubber latex 500g, PEG400 30g, aqueous epoxy resins 200g, the calcium carbonate 300g of 600 mesh.The present embodiment
In, bridging agent selects polyphenyl polymethylene polyisocyanates (PAPI).
The preparation method of above-mentioned integrated timber adhesive, comprising the following steps:
(1) water for weighing formula ratio is heated to 70 DEG C, and PVA is added, and stirring, heating make it completely dissolved；80 DEG C of heat preservations
Under the conditions of be added dropwise bridging agent PAPI, silica solution is added after 30 minutes in reaction, is cooled to 60 DEG C；
(2) rubber liquid and PEG400 are sequentially added, it is 40 DEG C cooling after reaction 60 minutes, sequentially add water-base epoxy
And calcium carbonate, be cooled to room temperature, about 15-35 DEG C or so to get.
Embodiment 3
A kind of integrated timber adhesive, the component including following parts by weight: water 300g, PVA 30g, bridging agent 30g, alkali
Property silica solution 300g, newly cuts the calcium carbonate of nature rubber latex 700g, PEG400 50g, aqueous epoxy resins 300g, 800 mesh
500g.In the present embodiment, bridging agent selects methyl diphenylene diisocyanate (MDI).
The preparation method of above-mentioned integrated timber adhesive, comprising the following steps:
(1) water for weighing formula ratio is heated to 80 DEG C, and PVA is added, and stirring, heating make it completely dissolved；90 DEG C of heat preservations
Under the conditions of be added dropwise bridging agent, silica solution is added in reaction after ten minutes, is cooled to 70 DEG C；
(2) rubber liquid and PEG400 is sequentially added to be cooled to 40 DEG C after reaction 80 minutes, sequentially add aqueous ring
Oxygen and calcium carbonate, are cooled to room temperature, about 15-35 DEG C or so to get.
Embodiment 4
A kind of integrated timber adhesive, the component including following parts by weight: water 280g, PVA 25g, bridging agent 15g, alkali
Property silica solution 150g, newly cuts the calcium carbonate of nature rubber latex 600h, PEG400 40g, aqueous epoxy resins 200g, 700 mesh
400g.In the present embodiment, bridging agent selects toluene di-isocyanate(TDI) (TDI).
The preparation method of above-mentioned integrated timber adhesive, comprising the following steps:
(1) water for weighing formula ratio is heated to 75 DEG C, and PVA is added, and stirring, heating make it completely dissolved；80 DEG C of heat preservations
Under the conditions of be added dropwise TDI, silica solution is added in reaction after twenty minutes, is cooled to 60 DEG C；
(2) rubber liquid and PEG400 are sequentially added, it is 35 DEG C cooling after reaction 70 minutes, sequentially add water-base epoxy
And calcium carbonate, be cooled to room temperature, about 15-35 DEG C or so to get.
Through detecting, adhesive made from the various embodiments described above, solid content >=60%, Ph value 8-10, viscosity >=
100mpa.s, free formaldehyde: nothing.Service performance requirement of the integrated timber to adhesive is fully achieved.
Adhesive of the present invention for make integrated plate when, to different plate, such as bamboo and wood etc., have compared with
Good bonding effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of integrated timber adhesive, which is characterized in that the component including following parts by weight: 100-300 parts of water, polyethylene
10-30 parts of alcohol, 10-30 parts of bridging agent, 100-300 parts of silica solution, 300-700 parts of rubber latex, polyethylene glycol 400 10-50
Part, 50-300 parts of aqueous epoxy resins, 100-500 parts of calcium carbonate.
2. a kind of integrated timber adhesive as described in claim 1, which is characterized in that the integrated timber includes with adhesive
The component of following parts by weight: 180 parts of water, 20 parts of polyvinyl alcohol, 20 parts of bridging agent, 200 parts of silica solution, 500 parts of rubber latex,
30 parts of polyethylene glycol 400,200 parts of aqueous epoxy resins, 300 parts of calcium carbonate.
3. a kind of integrated timber adhesive as claimed in claim 1 or 2, which is characterized in that the rubber liquid is newly to cut day
Right rubber latex.
4. a kind of integrated timber adhesive as claimed in claim 1 or 2, which is characterized in that the silica solution is alkaline silicon
Colloidal sol.
5. a kind of integrated timber adhesive as described in claim 1, which is characterized in that the bridging agent is the more methylenes of more phenyl
Quito isocyanates, methyl diphenylene diisocyanate or toluene di-isocyanate(TDI).
6. a kind of integrated timber adhesive as described in claim 1, which is characterized in that the calcium carbonate is 500-800 mesh.
7. a kind of preparation method of integrated timber adhesive as described in claim 1, which comprises the following steps:
(1) water of formula ratio is weighed, heats, the polyvinyl alcohol of formula ratio is added, stirs, be warming up to dissolution；Add under heat-retaining condition
Enter bridging agent, silica solution is added after reaction, it is cooling；
(2) rubber liquid and polyethylene glycol 400 are sequentially added, it is cooling after reaction, water-base epoxy and calcium carbonate are sequentially added,
It is cooling to get.
8. a kind of preparation method of integrated timber adhesive as claimed in claim 7, which is characterized in that in the step (1),
Water is heated to 60-80 DEG C；After polyvinyl alcohol is added, it is warming up to and is completely dissolved；70-90 is kept stable at after polyvinyl alcohol dissolution
℃。
9. a kind of preparation method of integrated timber adhesive as claimed in claim 7, which is characterized in that in the step (1),
Bridging agent is added dropwise, and reacts 10-40 minutes later；50-70 DEG C is cooled to after silica solution is added.
10. a kind of preparation method of integrated timber adhesive as claimed in claim 7, which is characterized in that the step (2)
In, after polyethylene glycol 400 is added, reacts 50-80 minutes, be cooled to 30-40 DEG C later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092444.7A CN109401674A (en) | 2018-09-19 | 2018-09-19 | A kind of integrated timber adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092444.7A CN109401674A (en) | 2018-09-19 | 2018-09-19 | A kind of integrated timber adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109401674A true CN109401674A (en) | 2019-03-01 |
Family
ID=65465973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092444.7A Pending CN109401674A (en) | 2018-09-19 | 2018-09-19 | A kind of integrated timber adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109401674A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655834A (en) * | 2019-10-14 | 2020-01-07 | 威士达半导体科技(张家港)有限公司 | PET (polyethylene terephthalate) base film primer, modified PET film and adhesive tape for CMOS (complementary metal oxide semiconductor) chip cutting process as well as preparation method and application of adhesive tape |
| CN112239642A (en) * | 2020-11-04 | 2021-01-19 | 佰耐立新材料科技有限公司 | Formula and preparation method of waterborne polyurethane aldehyde-free reaction adhesive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112675A (en) * | 1985-11-12 | 1987-05-23 | Mitsui Toatsu Chem Inc | Synthetic rubber latex adhesive composition |
| RU2132272C1 (en) * | 1997-03-11 | 1999-06-27 | Санкт-Петербургская лесотехническая академия | Use of silica sol as carbamide-formaldehyde binder based wallboard component |
| CN1912041A (en) * | 2006-08-23 | 2007-02-14 | 河北北方绿野居住环境发展有限公司 | Environmental protection type adhesion agent for wood industry |
| CN101234505A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Water-soluble polyalcohol, polyisocyanic acid ester and stalk fibrous composite material and preparation thereof |
| CN102863906A (en) * | 2012-10-17 | 2013-01-09 | 中南林业科技大学 | Low-cost environment-friendly water glass wood adhesive and preparation method thereof |
-
2018
- 2018-09-19 CN CN201811092444.7A patent/CN109401674A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62112675A (en) * | 1985-11-12 | 1987-05-23 | Mitsui Toatsu Chem Inc | Synthetic rubber latex adhesive composition |
| RU2132272C1 (en) * | 1997-03-11 | 1999-06-27 | Санкт-Петербургская лесотехническая академия | Use of silica sol as carbamide-formaldehyde binder based wallboard component |
| CN1912041A (en) * | 2006-08-23 | 2007-02-14 | 河北北方绿野居住环境发展有限公司 | Environmental protection type adhesion agent for wood industry |
| CN101234505A (en) * | 2008-02-29 | 2008-08-06 | 上海大学 | Water-soluble polyalcohol, polyisocyanic acid ester and stalk fibrous composite material and preparation thereof |
| CN102863906A (en) * | 2012-10-17 | 2013-01-09 | 中南林业科技大学 | Low-cost environment-friendly water glass wood adhesive and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655834A (en) * | 2019-10-14 | 2020-01-07 | 威士达半导体科技(张家港)有限公司 | PET (polyethylene terephthalate) base film primer, modified PET film and adhesive tape for CMOS (complementary metal oxide semiconductor) chip cutting process as well as preparation method and application of adhesive tape |
| CN110655834B (en) * | 2019-10-14 | 2021-08-03 | 威士达半导体科技(张家港)有限公司 | PET (polyethylene terephthalate) base film primer, modified PET film and adhesive tape for CMOS (complementary metal oxide semiconductor) chip cutting process as well as preparation method and application of adhesive tape |
| CN112239642A (en) * | 2020-11-04 | 2021-01-19 | 佰耐立新材料科技有限公司 | Formula and preparation method of waterborne polyurethane aldehyde-free reaction adhesive |
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Application publication date: 20190301 |