CN109749685A - A kind of glued board adhesive composition and its preparation process - Google Patents
A kind of glued board adhesive composition and its preparation process Download PDFInfo
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- CN109749685A CN109749685A CN201711092134.0A CN201711092134A CN109749685A CN 109749685 A CN109749685 A CN 109749685A CN 201711092134 A CN201711092134 A CN 201711092134A CN 109749685 A CN109749685 A CN 109749685A
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- glued board
- acidity regulator
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- 239000000853 adhesive Substances 0.000 title claims abstract description 65
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 22
- -1 poly- isocyanide ester Chemical class 0.000 claims abstract description 18
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 17
- 239000000645 desinfectant Substances 0.000 claims abstract description 17
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000440 bentonite Substances 0.000 claims abstract description 13
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 13
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004202 carbamide Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000012188 paraffin wax Substances 0.000 claims abstract description 13
- 239000002562 thickening agent Substances 0.000 claims abstract description 9
- 239000003755 preservative agent Substances 0.000 claims abstract description 8
- 230000002335 preservative effect Effects 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- QBUKAFSEUHGMMX-MTJSOVHGSA-N (5z)-5-[[3-(1-hydroxyethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical group C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1C(C)O QBUKAFSEUHGMMX-MTJSOVHGSA-N 0.000 claims abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 8
- 241001474374 Blennius Species 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 5
- 239000004310 lactic acid Substances 0.000 claims description 5
- 235000014655 lactic acid Nutrition 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 4
- 241000206575 Chondrus crispus Species 0.000 claims description 4
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 4
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 claims description 4
- 235000010241 potassium sorbate Nutrition 0.000 claims description 4
- 239000004302 potassium sorbate Substances 0.000 claims description 4
- 229940069338 potassium sorbate Drugs 0.000 claims description 4
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 4
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 4
- JXKPEJDQGNYQSM-UHFFFAOYSA-M sodium propionate Chemical compound [Na+].CCC([O-])=O JXKPEJDQGNYQSM-UHFFFAOYSA-M 0.000 claims description 4
- 239000004324 sodium propionate Substances 0.000 claims description 4
- 235000010334 sodium propionate Nutrition 0.000 claims description 4
- 229960003212 sodium propionate Drugs 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- 235000010199 sorbic acid Nutrition 0.000 claims description 4
- 239000004334 sorbic acid Substances 0.000 claims description 4
- 229940075582 sorbic acid Drugs 0.000 claims description 4
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 3
- 229920000084 Gum arabic Polymers 0.000 claims description 3
- 241000978776 Senegalia senegal Species 0.000 claims description 3
- 235000010489 acacia gum Nutrition 0.000 claims description 3
- 239000000205 acacia gum Substances 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 239000000661 sodium alginate Substances 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 229940005550 sodium alginate Drugs 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002023 wood Substances 0.000 abstract description 5
- 239000011120 plywood Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 230000001473 noxious effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000007792 addition Methods 0.000 description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 108010082495 Dietary Plant Proteins Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229940099112 cornstarch Drugs 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to technical field of adhesive, especially a kind of glued board adhesive composition and its preparation process.Described adhesive composition is made of following substance by following mass fraction: 100~120 parts of water, 20~25 parts of polyvinyl alcohol, 20~25 parts of poly- isocyanide ester, 40~45 parts of paraffin, 100~120 parts of 42% urea liquid, 10~16 parts of bentonite, 10~20 parts of thickener, 10~15 parts of preservative, 0.3~0.6 part of antimildew disinfectant, the dosage of acidity regulator, the acidity regulator is so that the pH value of adhesive composition is 2~6.Beneficial effect is: plywood adhesive composition of the invention avoids making the noxious materials such as formaldehyde, benzene, toluene, it can satisfy the demand of green building material and top-grade furniture that people decorate for household, it is suitble to the needs of people, it is harmless, environmentally protective that totally nontoxic may be implemented using the wood-based plate that this product produces.And the curing time end of the adhesive composition, Acceptable life are long.
Description
Technical field
The present invention relates to technical field of adhesive, especially a kind of glued board adhesive composition and its preparation process.
Background technique
The adhesive of plywood production is still based on formaldehyde system adhesive at present, and wherein phenolic resin glue is chiefly used in producing
Outdoor version type Ⅰ plywood, urea-formaldehyde resin adhesive is chiefly used in producing II class glued board of indoor type, due to the production of formaldehyde system adhesive bonding
Product have free formaldehyde release in the production and use process, endanger the health of people, increasingly increase in consumer's environmental consciousness
In the case where strong, formaldehyde system adhesive is especially bonded the production of the urea-formaldehyde resin adhesive of interior products by being increasingly stringenter
Limitation.By improving to urea-formaldehyde resin adhesive production technology, or the product being bonded to it can using post-processing means appropriate
The release of harmful formaldehyde gas is reduced, but this not only adds costs, and cannot thoroughly solve the problems, such as that free formaldehyde discharges.
Published in Journal of northeast Forestry university 2008-7 " the starch-based aqueous isocyanate wood adhesive of hot pressing type
Develop " to describe in a text " be the timber gluing that primary raw material prepares that dosage is huge, comprehensive performance is high using annual cornstarch
Agent ", but the preparation process of this adhesive is complicated, and production cost can not be greatly reduced.Patent No. 200410017054.5
In, describe it is a kind of using vegetable protein as based Wood Adhesives of primary raw material and preparation method thereof, but it is this formula and method system
Standby based Wood Adhesives poor water resistance, there are the unstability of product quality in industrial production, and plate is required to produce
Hot pressing temperature meter pressure is higher, and the board quality of production is difficult to ensure.
Summary of the invention
The technical problem to be solved by the present invention is overcome deficiency in the prior art, a kind of simple process, green ring are provided
Guarantor, the glued board adhesive composition of water-tolerant and its manufacture craft.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of glued board adhesive composition, described adhesive composition press following mass parts array by following substance
At: 100~120 parts of water, 20~25 parts of polyvinyl alcohol, 20~25 parts of poly- isocyanide ester, 40~45 parts of paraffin, 42% urea is molten
100~120 parts of liquid, 10~16 parts of bentonite, 10~20 parts of thickener, 10~15 parts of preservative, antimildew disinfectant 0.3~0.6
Part, the dosage of acidity regulator, the acidity regulator is so that the pH value of adhesive composition is 2~6.
Further, the thickener is selected from: sodium alginate, seaweed propylene glycol ester, carragheen, gum arabic, carboxylic first
At least one of base sodium cellulosate.
Further, the preservative is selected from: sorbic acid, potassium sorbate, sodium propionate, sodium hydrogensulfite, in sodium sulphate
It is at least one.
Further, the antimildew disinfectant is antimildew disinfectant KL-303.
Further, the acidity regulator is selected from: a kind of in citric acid, acetic acid and lactic acid.
Further, the pH value of described adhesive composition is 3~5.
Further, described adhesive composition is made of following substance by following mass fraction: 110 parts of water, polyethylene
22 parts of alcohol, 23 parts of poly- isocyanide ester, 43 parts of paraffin, 110 parts of 42% urea liquid, 23 parts of bentonite, 15 parts of thickener, anti-corrosion
22 parts of agent, 0.4 part of antimildew disinfectant, the dosage of acidity regulator, the acidity regulator is the pH so that adhesive composition
Value is 2~6.
A kind of method of glued board adhesive composition as described in claim 1 is prepared, the method includes following
Step: 100~120 kilograms of water are added in a kettle, is heated to 45 DEG C, the side Bian Jiare is slowly added to polyvinyl alcohol 20~25,000
Gram, it is warming up to 95~100 DEG C and stops heating after polyvinyl alcohol all dissolution, keep the temperature 1.5h, be cooled to 65 DEG C of addition paraffin 40
~45 kilograms, 100~120 kilograms of 42% urea liquid, 10~16 kilograms of bentonite, 10~20 kilograms of thickener, preservative
10~15 kilograms, 0.3~0.6 kilogram of antimildew disinfectant, after stirring 30min, 20~25 kilograms of poly- isocyanide ester is added, mixing is equal
After even, acidity regulator is added, the pH value for adjusting adhesive composition is 2~6.
Be using the beneficial effect of technical solution of the present invention: plywood adhesive composition of the invention avoids making first
The noxious materials such as aldehyde, benzene, toluene can satisfy the demand of green building material and top-grade furniture that people decorate for household, be suitble to
It is harmless, environmentally protective that totally nontoxic may be implemented using the wood-based plate that this product produces in the needs of people.Moreover, the present invention exists
No pollution to the environment in production process, and the curing time end of the adhesive composition, Acceptable life are long.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of glued board adhesive composition, described adhesive composition are made of following substance by following mass number:
100 parts of water, 20 parts of polyvinyl alcohol, 20 parts of poly- isocyanide ester, 40 parts of paraffin, 100 parts of 42% urea liquid, 10 parts of bentonite,
10 parts of sodium alginate, 5 parts of sorbic acid, 5 parts of potassium sorbate, 0.3 part of antimildew disinfectant KL-303, adding citric acid adjusts adhesive
The dosage of the acidity of composition, the citric acid is so that the pH value of adhesive composition is 2~3.
The method of above-mentioned adhesive composition is prepared the following steps are included: water double centner is added in a kettle, is heated to
45 DEG C, the side Bian Jiare is slowly added to 20 kilograms of polyvinyl alcohol, is warming up to 95~100 DEG C and stops adding after polyvinyl alcohol all dissolution
Heat keeps the temperature 1.5h, is cooled to 40 kilograms of paraffin of 65 DEG C of additions, 42% urea liquid double centner, and 10 kilograms of bentonite, seaweed
10 kilograms of sour sodium, 5 kilograms of potassium sorbate, 0.3 kilogram of antimildew disinfectant KL-303, after stirring 30min, adds by 5 kilograms of sorbic acid
Enter 20 kilograms of poly- isocyanide ester, after mixing, adding citric acid adjusts the acidity of adhesive composition, adjusts adhesive composition
PH value be 2~3.
Embodiment 2
A kind of glued board adhesive composition, described adhesive composition press following mass parts array by following substance
At: 110 parts of water, 22 parts of polyvinyl alcohol, 23 parts of poly- isocyanide ester, 43 parts of paraffin, 110 parts of 42% urea liquid, bentonite 23
Part, 7.5 parts of seaweed propylene glycol ester, 7.5 parts of carragheen, 22 parts of sodium propionate, 0.4 part of antimildew disinfectant KL-303, acetic acid is added to adjust
The dosage of the acidity of adhesive composition, the acetic acid is so that the pH value of adhesive composition is 3~5.
The method of above-mentioned adhesive composition is prepared the following steps are included: 110 kilograms of water are added in a kettle, is heated to
45 DEG C, the side Bian Jiare is slowly added to 22 kilograms of polyvinyl alcohol, is warming up to 95~100 DEG C and stops adding after polyvinyl alcohol all dissolution
Heat keeps the temperature 1.5h, is cooled to 43 kilograms of paraffin of 65 DEG C of additions, 110 kilograms of 42% urea liquid, and 23 kilograms of bentonite, seaweed
7.5 kilograms of propylene glycol ester, 7.5 kilograms of carragheen, 22 kilograms of sodium propionate, 0.4 kilogram of antimildew disinfectant KL-303, stir 30min
Afterwards, 23 kilograms of poly- isocyanide ester is added, after mixing, acetic acid is added to adjust the acidity of adhesive composition, adjusts adhesive group
The pH value for closing object is 3~5.
Embodiment 3
A kind of glued board adhesive composition, described adhesive composition press following mass parts array by following substance
At: 120 parts of water, 25 parts of polyvinyl alcohol, 25 parts of poly- isocyanide ester, 45 parts of paraffin, 120 parts of 42% urea liquid, bentonite 16
Part, 10 parts of gum arabic, 10 parts of sodium carboxymethylcellulose, 7.5 parts of sodium hydrogensulfite, 7.5 parts of sodium sulphate, antimildew disinfectant
0.6 part of KL-303, the dosage of lactic acid, the lactic acid is so that the pH value of adhesive composition is 5~6.
The method of above-mentioned adhesive composition is prepared the following steps are included: 120 kilograms of water are added in a kettle, is heated to
45 DEG C, the side Bian Jiare is slowly added to 25 kilograms of polyvinyl alcohol, is warming up to 95~100 DEG C and stops adding after polyvinyl alcohol all dissolution
Heat keeps the temperature 1.5h, is cooled to 45 kilograms of paraffin of 65 DEG C of additions, 120 kilograms of 42% urea liquid, and 16 kilograms of bentonite, I
10 kilograms of uncle's natural gum, 10 kilograms of sodium carboxymethylcellulose, 7.5 kilograms of sodium hydrogensulfite, 7.5 kilograms of sodium sulphate, antimildew disinfectant
0.6 kilogram of KL-303, after stirring 30min, 25 kilograms of poly- isocyanide ester is added, after mixing, lactic acid is added to adjust adhesive group
The acidity for closing object, the pH value for adjusting adhesive composition is 5~6.
Although above-described embodiment is described in detail technical solution of the present invention, technical side of the invention
Case is not limited to above embodiments, in the case where not departing from thought and objective of the invention, to technical solution of the present invention institute
Any change done falls within claims of the present invention limited range.
Claims (8)
1. a kind of glued board adhesive composition, which is characterized in that described adhesive composition presses following matter by following substance
Number is measured to form: 100~120 parts of water, 20~25 parts of polyvinyl alcohol, 20~25 parts of poly- isocyanide ester, 40~45 parts of paraffin, 42%
100~120 parts of urea liquid, 10~16 parts of bentonite, 10~20 parts of thickener, 10~15 parts of preservative, antimildew disinfectant
0.3~0.6 part, the dosage of acidity regulator, the acidity regulator is so that the pH value of adhesive composition is 2~6.
2. a kind of glued board adhesive composition according to claim 1, which is characterized in that the thickener is selected from:
At least one of sodium alginate, seaweed propylene glycol ester, carragheen, gum arabic, sodium carboxymethylcellulose.
3. a kind of glued board adhesive composition according to claim 1, which is characterized in that the preservative is selected from:
At least one of sorbic acid, potassium sorbate, sodium propionate, sodium hydrogensulfite, sodium sulphate.
4. a kind of glued board adhesive composition according to claim 1, which is characterized in that the antimildew disinfectant is
Antimildew disinfectant KL-303.
5. a kind of glued board adhesive composition according to claim 1, which is characterized in that the acidity regulator choosing
From: one kind in citric acid, acetic acid and lactic acid.
6. a kind of glued board adhesive composition according to claim 1, it is characterised in that: described adhesive composition
PH value be 3~5.
7. a kind of glued board adhesive composition according to claim 1, which is characterized in that described adhesive composition
It is made of following substance by following mass fraction: 110 parts of water, 22 parts of polyvinyl alcohol, 23 parts of poly- isocyanide ester, 43 parts of paraffin,
110 parts of 42% urea liquid, 10~16 parts of bentonite, 10~20 parts of thickener, 10~15 parts of preservative, antimildew disinfectant
0.3~0.6 part, the dosage of acidity regulator, the acidity regulator is so that the pH value of adhesive composition is 2~6.
8. preparing a kind of method of glued board adhesive composition as described in claim 1, which is characterized in that the method
The following steps are included: 100~120 kilograms of water are added in a kettle, 45 DEG C are heated to, the side Bian Jiare is slowly added to polyvinyl alcohol
It 20~25 kilograms, is warming up to 95~100 DEG C and stops heating after polyvinyl alcohol whole dissolution, keep the temperature 1.5h, be cooled to 65 DEG C and add
Enter 40~45 kilograms of paraffin, 100~120 kilograms of 42% urea liquid, 10~16 kilograms of bentonite, thickener 10~20,000
Gram, 10~15 kilograms of preservative, 0.3~0.6 kilogram of antimildew disinfectant, after stirring 30min, poly- isocyanide ester 20~25,000 is added
Gram, after mixing, acidity regulator is added, the pH value for adjusting adhesive composition is 2~6.
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| CN201711092134.0A CN109749685A (en) | 2017-11-08 | 2017-11-08 | A kind of glued board adhesive composition and its preparation process |
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| CN201711092134.0A CN109749685A (en) | 2017-11-08 | 2017-11-08 | A kind of glued board adhesive composition and its preparation process |
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| Title |
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| 蔡汉忠 等: "基于长白山丑冷杉胶合板强度的水性异氰酸酯胶黏剂配比", 《北华大学学报（自然科学版）》 * |
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