CN107011833B - A kind of preparation method of the timber structure glue of environmental protection water boiling resistance - Google Patents
A kind of preparation method of the timber structure glue of environmental protection water boiling resistance Download PDFInfo
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- CN107011833B CN107011833B CN201710210410.2A CN201710210410A CN107011833B CN 107011833 B CN107011833 B CN 107011833B CN 201710210410 A CN201710210410 A CN 201710210410A CN 107011833 B CN107011833 B CN 107011833B
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- China
- Prior art keywords
- water
- preparation
- structure glue
- boiling resistance
- water boiling
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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
- C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention relates to a kind of preparation methods of the timber structure glue of environmentally friendly water boiling resistance, free radical polymerization is passed through using a kind of vinyl esters monomer or the vinyl esters monomer containing epoxy group, adhesive host agent can be made by compounding with polyhydroxy monomer and polyvinyl alcohol, plasticizer, filler, whole process takes water as a solvent, the raw material for not introducing release formaldehyde, using it is preceding be mixed in a certain ratio uniformly with curing agent after can be used for the bonding of material.The adhesive can be applied to the environment such as the industries such as timber, auto industry, light industry, building high temperature, water-fast.
Description
Technical field
The present invention relates to a kind of preparation methods of the timber structure glue of environmentally friendly water boiling resistance, especially by formaldehydeless raw material system
Standby environment-friendly watertight boils structure glue, can be applied to the environment such as the industries such as timber, auto industry, light industry, building high temperature, water-fast
Under adhesive.
Background technique
With economic and science and technology development, adhesive is in timber industry, auto industry, light industry, building, daily life etc.
Aspect is widely applied, and is the indispensable material of development of modern industry.In adhesive applications field, timber industry is to glue
The consumption figure of stick is huge, and dosage is so most that be urea-formaldehyde glue (UF), melamino-formaldehyde glue (MF), melamine in timber industry
Amine modified urea-formaldehyde resin glue (MUF) and phenol glue (PF).However, UF, MF, MUF and PF, raw material (formaldehyde, phenol etc.) exists
The nuisances such as the formaldehyde constantly distributed in production and use process generate significant damage to human health and natural environment；At this
Under the background of sample, had been to be concerned by more and more people based on aqueous, environmental protective Study on Adhesive.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of preparation sides of the timber structure glue of environmentally friendly water boiling resistance
Method, during the preparation process without introducing containing harmful materials such as formaldehyde, using preparation method, solvent is water, is conducive to environmental protection；
Synergistic effect is significant between each raw material component of the present invention, and enhanced water resistance adhesive mainly first passes through increase functional group content, then
It is mixed with the resin of other excellent water resistances, the mode that three-dimensional structure is formed after enabling it to solidify obtains boiling water resistance, real
Existing water-fast, high-intensity performance unification solves the problems, such as the serious technicals such as adhesive water suction, the intensity difference under the conditions of boiling water.
To achieve the above object, the present invention takes following technical scheme: a kind of adhesive host agent, it is characterised in that mainly contain
There are a kind of vinyl esters monomer, polyalcohol etc., initiator, plasticizer, poly-vinyl alcohol solution and filler, water to pass through free crowd
Reaction preparation is used as host agent, by be cold-pressed according to a certain percentage containing isocyanate curing agent or hot-press solidifying that water boiling resistance is made is strong
Viscous force structure glue.
Vinyl esters monomer described in the present invention is glycidyl methacrylate, one of vinylacetate or two
Kind.
Polyalcohol described in the present invention is the alcohol that degree of functionality is greater than 2, can be glycerol, pentaerythrite, one in xylitol
Kind.
Initiator described in the present invention is water soluble starter ammonium persulfate, potassium peroxydisulfate, hydrogen peroxide, two NSC 18620 of azo
One of hydrochloride (AIBA).
Curing agent described in the present invention is the aqueous distributed modified product containing double isocyanos, can be toluene diisocyanate
Acid esters TDI, 4,4' methyl diphenylene diisocyanate MDI or isophorone diisocyanate IPDI modification obtain.
Plasticizer described in the present invention is dibutyl phthalate (DBP), diisobutyl phthalate (DIBP), adjacent
Rutgers (DMP), diethyl phthalate (DEP), diisononyl phthalate (DINP), phthalic acid
One of diisodecyl ester (DIDP).
Poly-vinyl alcohol solution described in the present invention is PVA1788, PVA1799, PVA2488, PVA2499, PVA588
One of, after dissolving at a certain temperature, it is made into 10% aqueous solution.
Filler described in the present invention is white carbon black (fumed silica), calcium carbonate, sodium lignin sulfonate, kaolin, illiteracy
One of de- soil, bentonite.
The preparation method of environmentally friendly water boiling resistance adhesive described in the present invention, including following preparation step: it is being furnished with thermometer
In the four-hole bottle of blender, by vinyl esters monomer (20.0~25.0%), initiator (0.1~2%), plasticizer (0.2%~
2.0%) and water (20.0~60.0%), mixing are heated to 50~80 DEG C, react 1~3h, are cooled to room temperature, add polyalcohol
(0.5~4.0%), poly-vinyl alcohol solution (10~50%) and filler (0.5~5.0%) stirring (100~300rpm) are after ten minutes
Milky host agent is obtained, wherein percentage is mass percent；By mass ratio be 100:(8.0~15.0) host agent and curing agent
It is stirred in proportion uniformly mixed, to get water boiling resistance timber structure glue, room temperature suppresses (cold pressing) 1~2 hour or 120 DEG C
Compacting 10~20 minutes.
The invention adopts the above technical scheme, which has the following advantages:
One of feature of the present invention are as follows: use a kind of vinyl esters monomer, polyalcohol, initiator and water carry out radical polymerization
Close, take water as a solvent, initiator be also it is water-soluble, can guarantee heat dissipation uniformly, plasticizer addition can improve mobility.
The two of feature of the present invention are as follows: synergistic effect is significant between each raw material component, using polyalcohol, polyvinyl alcohol and fills out
Material, polyalcohol is polyfunctional compound, can provide enough crosslinking points for solidification process below, glue is greatly improved in polyvinyl alcohol
The film forming and flexibility of glutinous agent, also contain hydroxyl, can react with curing agent, the cross-linked network pole of polyalcohol and polyvinyl alcohol
Adhesive water resistance is improved greatly；The addition of filler is conducive to increase the intensity of adhesive.
Specific embodiment
Example one: in the four-hole bottle equipped with thermometer and blender, by Vinyl Acetate Monomer 20g, initiator over cure
Sour ammonium 0.1g, plasticizer phthalic acid dibutyl ester 0.5g and water 24.9g are mixed, and are heated to 80 DEG C, react 1h, are cooled to often
Temperature, is added glycerol 4g, polyvinyl alcohol 50g (10%PVA1799 solution) and sodium lignin sulfonate 0.5g, 200rpm stir 10 points
Milky host agent is obtained after clock；The above host agent and curing agent modified isophorone diisocyanate (IPDI) 15g are stirred
It is uniformly mixed to get water boiling resistance structure glue.
Example two: in the four-hole bottle equipped with thermometer and blender, by Vinyl Acetate Monomer 15g, methacrylic acid
Ethylene oxidic ester 10g, initiator azo-bis-isobutyrate hydrochloride 0.5g, plasticizer phthalic acid diethylester 1.0g and water 20.5
G is mixed, and is heated to 80 DEG C, is reacted 2h, is cooled to room temperature, and addition pentaerythrite 3g, (10%PVA2488 is molten by polyvinyl alcohol 45g
Liquid) and calcium carbonate 5g, 200rpm stirring obtain milky host agent after ten minutes；By the above host agent and curing agent modified 4,4' bis-
Methylenebis phenyl isocyanate (MDI) 10g is by being uniformly mixed to get water boiling resistance structure glue.
Example three: in the four-hole bottle equipped with thermometer and blender, glycidyl methacrylate 21g, initiator
Potassium peroxydisulfate 2.0g, plasticizer phthalic acid diisobutyl ester 2.0g and water 60g are mixed, and are heated to 80 DEG C, react 3h, cooling
To room temperature, xylitol 0.5g, polyvinyl alcohol 10g (10%PVA2488 solution) and silica 4.5g, 200rpm stirring is added
Milky host agent is obtained after ten minutes；By the above host agent and curing agent modified toluene di-isocyanate(TDI) (TDI) 8g by being stirred
It is uniformly mixed to get water boiling resistance structure glue.
Gluing: automatic mixing cloth colloid system, 200~300g/m of single side2, double-sided cloth glue better effect；It pressurizes (cold pressing)
Pressure: 12~16 kg/cm of broad leaf tree wood species materials2, 9~12 kg/cm of coniferous tree wood species materials2；Pressing time is 60~120
Minute；It is tested within 72 hours after release.
Cohesive force test: being respectively progress timber after the pressurization of 15cm, 6cm, 1.5cm wooden unit gluing by two pieces of lengths
Breaking test, sees adhesive surface wood failure rate, and destructive rate is greater than 95% to pass through.
Water resistance performance test methods: putting 7 days, boiling water boiling 4 hours, then 60 degree dry 18 hours, end cracking rate be less than or
Equal to 25%, then by test, cold water removing: being put 3 days, in warm water (10-28 degrees Celsius), is steeped 6 hours, then 40 degree of bakings, 18 hours
Afterwards, end cracking rate is less than or equal to 25%, then passes through test.
Sample passes through cohesive force and boiling water test in above embodiments.
Claims (5)
1. a kind of preparation method of environmental protection water boiling resistance timber structure glue, it is characterised in that: equipped with thermometer and blender
In four-hole bottle, by vinyl esters monomer 20.0~25.0%, initiator 0.1~2%, plasticizer 0.2%~2.0% and water 20.0
~60.0%, it mixes, is heated to 50~80 DEG C, react 1~3h, be cooled to room temperature, add polyalcohol 0.5~4.0%, poly- second
Enolate solution 10~50% and filler 0.5~5.0%, stir under the conditions of 100~300rpm and obtain milky master after ten minutes
Agent, wherein percentage is mass percent；Host agent and curing agent that mass ratio is 100:8.0~15.0 are stirred in proportion
It is uniformly mixed to get water boiling resistance timber structure glue；
The polyalcohol is glycerol, pentaerythrite, one of xylitol；
The poly-vinyl alcohol solution is PVA1788, PVA1799, PVA2488, PVA2499, one of PVA588, certain
At a temperature of dissolve after, be made into 10% aqueous solution；
The curing agent is modified product of the water-dispersion type containing double isocyanos, is by toluene di-isocyanate(TDI) TDI 4,4' bis-
Methylenebis phenyl isocyanate MDI or isophorone diisocyanate IPDI modification obtains.
2. preparation method as described in claim 1, which is characterized in that the vinyl esters monomer is that Glycidyl methacrylate is sweet
Grease, one or both of vinylacetate.
3. preparation method as described in claim 1, which is characterized in that the initiator be water soluble starter ammonium persulfate,
One of potassium peroxydisulfate, hydrogen peroxide, azo-bis-isobutyrate hydrochloride (AIBA).
4. preparation method as described in claim 1, which is characterized in that the plasticizer be dibutyl phthalate (DBP),
Diisobutyl phthalate (DIBP), repefral (DMP), diethyl phthalate (DEP), O-phthalic
One of sour dinonyl (DINP), diisooctyl phthalate (DIDP).
5. preparation method as described in claim 1, which is characterized in that the filler is white carbon black, calcium carbonate, lignin sulfonic acid
One of sodium, kaolin, montmorillonite, bentonite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210410.2A CN107011833B (en) | 2017-03-31 | 2017-03-31 | A kind of preparation method of the timber structure glue of environmental protection water boiling resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210410.2A CN107011833B (en) | 2017-03-31 | 2017-03-31 | A kind of preparation method of the timber structure glue of environmental protection water boiling resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107011833A CN107011833A (en) | 2017-08-04 |
| CN107011833B true CN107011833B (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710210410.2A Active CN107011833B (en) | 2017-03-31 | 2017-03-31 | A kind of preparation method of the timber structure glue of environmental protection water boiling resistance |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810662B (en) * | 2019-01-12 | 2021-05-14 | 广州市胶之宝建材有限公司 | Preparation method of tensile flame-retardant epoxy building structural adhesive |
| CN114437652A (en) * | 2022-03-01 | 2022-05-06 | 沈阳爱克浩博化工有限公司 | Special modified polyvinyl acetate emulsion adhesive and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173163A (en) * | 2013-04-09 | 2013-06-26 | 哈尔滨绿科科技有限公司 | Aqueous environment-friendly paper aluminum complex adhesive as well as preparation method and application thereof |
| CN103214990A (en) * | 2013-04-09 | 2013-07-24 | 哈尔滨绿科科技有限公司 | Waterborne environment-friendly transfer gold cardboard compound adhesive as well as preparation method and application thereof |
| CN104263252A (en) * | 2014-09-25 | 2015-01-07 | 朱羽涵 | Egg white-based wood adhesive |
-
2017
- 2017-03-31 CN CN201710210410.2A patent/CN107011833B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173163A (en) * | 2013-04-09 | 2013-06-26 | 哈尔滨绿科科技有限公司 | Aqueous environment-friendly paper aluminum complex adhesive as well as preparation method and application thereof |
| CN103214990A (en) * | 2013-04-09 | 2013-07-24 | 哈尔滨绿科科技有限公司 | Waterborne environment-friendly transfer gold cardboard compound adhesive as well as preparation method and application thereof |
| CN104263252A (en) * | 2014-09-25 | 2015-01-07 | 朱羽涵 | Egg white-based wood adhesive |
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| CN107011833A (en) | 2017-08-04 |
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