CN105419704B - A kind of urea-formaldehyde resin adhesive and preparation method thereof - Google Patents
A kind of urea-formaldehyde resin adhesive and preparation method thereof Download PDFInfo
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- CN105419704B CN105419704B CN201510817170.3A CN201510817170A CN105419704B CN 105419704 B CN105419704 B CN 105419704B CN 201510817170 A CN201510817170 A CN 201510817170A CN 105419704 B CN105419704 B CN 105419704B
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- 239000000853 adhesive Substances 0.000 title claims abstract description 41
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 41
- 229920001807 Urea-formaldehyde Polymers 0.000 title claims abstract description 29
- 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 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 20
- 229920002627 poly(phosphazenes) Polymers 0.000 claims abstract description 19
- 125000004104 aryloxy group Chemical group 0.000 claims abstract description 18
- 235000019256 formaldehyde Nutrition 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 8
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 7
- 239000007822 coupling agent Substances 0.000 claims abstract description 7
- 239000004088 foaming agent Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 41
- 239000000843 powder Substances 0.000 claims description 35
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 14
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 14
- 239000003963 antioxidant agent Substances 0.000 claims description 14
- 230000003078 antioxidant effect Effects 0.000 claims description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 14
- 229920002472 Starch Polymers 0.000 claims description 9
- 239000008107 starch Substances 0.000 claims description 9
- 235000019698 starch Nutrition 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 9
- 235000019270 ammonium chloride Nutrition 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 8
- 239000003513 alkali Substances 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- -1 Siloxanes Chemical class 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
-
- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of urea-formaldehyde resin adhesive, and component and parts by weight are：100 parts of Lauxite, 10~15 parts of filler, 3~5 parts of tackifier, 0.5~1 part of foaming agent, 0.5~1 part of anti-aging agent, 2~3 parts of compatilizer, 10~20 parts of curing agent, 0.5~1 part of coupling agent, 5~10 parts of methanal trapping agent, 8~10 parts of aryloxy polyphosphazene, 6~9 parts of polyisobutene.The present invention also provides the preparation methods of the urea-formaldehyde resin adhesive.Urea-formaldehyde resin adhesive provided by the invention has good heat resistance, resistance to acid and alkali and toughness.
Description
Technical field：
The present invention relates to a kind of adhesive, more particularly to a kind of urea-formaldehyde resin adhesive and preparation method thereof.
Background technology：
Urea-formaldehyde resin adhesive is urea with formaldehyde under catalyst (alkalinity or acidic catalyst) effect, made of polycondensation
Initial stage Lauxite forms insoluble insoluble latter stage resin under curing agent or promoter effect.The polycondensation product of urea and formaldehyde
It has just been obtained early in 1896, but the industrial adhesive that is used as is the thing after nineteen twenty-nine.China's Lauxite is in nineteen fifty-seven
Start industrialized production, the main adhesive for becoming plywood production in 1962 has become the master of China's Wood-based Panel Production at present
Want glue kind.In terms of appearance forrns, Lauxite mainly has liquid (syrupy shape or emulsus) and powdery, casco resin generally may be used
It stores 2-6 months, and the storage period of powdery urea resin is 1-2.Lauxite adhesive has higher glued strong
Degree, preferable fast light, corrosion resistant performance.Further, since resin itself is transparent or milky, make manufactured particieboard, middle density
Fiberboard is in beautiful color, and manufactured glued board does not pollute, with not influencing appearance on woodwork.
For example, the Chinese patent of Publication No. CN103436208A, publication date 2013.12.11, the artificial Lu Mei tinkling of pieces of jade of application
Application discloses " a kind of Moisture-proof urea-formaldehyde resin adhesive and its production method ", and raw material and parts by weight include：Lauxite
40~60 parts, 5~10 parts of polyacrylate dispersion, 0.5~1 part of dimethyl silicone polymer, 20~30 parts of filler and EVA latexes 2
~5 parts, preparation method is to prepare Lauxite first, and formaldehyde is disposably to feed intake, and urea feeds intake in three times；Lauxite
Production is divided into prepolymerization, polymerization and later stage polymerization three phases, and polyacrylate dispersion, poly dimethyl is added after later stage polymerization
Siloxanes and EVA latexes are added filler after being stirred to react completely and avoid polymerization process gelatin phenomenon by this technique
Generation, the Lauxite narrow molecular weight distribution of gained, residual formaldehyde is low, and for producing wood-based plate, especially ceiling fills
Plaque can be used in the big occasion of southern humidity, and burst size of methanal is low, and but, there are certain defects for the adhesive：
Heat resistance, resistance to acid and alkali are poor, and brittleness is larger.
Invention content：
The technical problem to be solved in the present invention is to provide a kind of urea-formaldehyde resin adhesive, with good heat resistance, resistance to
Acid-base property and toughness.
In order to solve the above technical problems, the technical scheme is that：
A kind of urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 10~15 parts of filler increase
3~5 parts of stick, 0.5~1 part of foaming agent, 0.5~1 part of anti-aging agent, 2~3 parts of compatilizer, 10~20 parts of curing agent, coupling agent
0.5~1 part, 5~10 parts of methanal trapping agent, 8~10 parts of aryloxy polyphosphazene, 6~9 parts of polyisobutene.
Preferably, filler of the present invention is starch or wood powder.
Preferably, tackifier of the present invention are polyvinyl alcohol.
Preferably, foaming agent of the present invention is pull open powder.
Preferably, anti-aging agent of the present invention is antioxidant A W.
Preferably, compatilizer of the present invention is EVA-g-MAH.
Preferably, curing agent of the present invention is ammonium chloride.
Preferably, coupling agent of the present invention is KH550.
Preferably, methanal trapping agent of the present invention is bean powder.
Another technical problem to be solved by the present invention is that providing the preparation method of above-mentioned urea-formaldehyde resin adhesive.
In order to solve the above technical problems, technical solution is：
A kind of preparation method of urea-formaldehyde resin adhesive, its step are as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with compatilizer after Lauxite is ground, and is mixed 20 minutes
Filler, coupling agent are added in high mixer afterwards, mixing obtains mixture after 30 minutes, and it is molten to add mixture into double screw extruder
Melt extrusion, the temperature of each section of double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by tackifier, foaming agent, anti-aging agent, curing agent, first
Aldehyde capturing agent is added in blender, and insulated and stirred is reacted 30 minutes, mixing speed 400r/min after being heated to 100 DEG C, discharging
After obtain urea-formaldehyde resin adhesive.
Therefore compared with prior art, the invention has the advantages that：
1) aryloxy polyphosphazene is to be alternately arranged to polymerize as the organic and inorganic of aryloxy group for backbone structure, P side groups using P, N
Object, ring body and network structure containing rigidity in structure, therefore there is good high temperature resistance, and have in its structure
Organic group can form the stronger blending structure in interface so the compatibility between Lauxite matrix is preferable after blending, from
And effectively improve the heat resistance of adhesive；In addition aryloxy polyphosphazene also has excellent fire-retardant, low-smoke characteristic, therefore also
The anti-flammability of adhesive can be effectively improved.
2) polyisobutene be one is by isobutene through just from the rubber made from polymerization, elasticity very well, in compatilizer
Compatible role with the help of, form that boundary strength is higher is blended with Lauxite matrix, in adhesive by external impact
When power, polyisobutene can carry the most of impact energy of absorption to elasticity well, and greatly reduce that Lauxite matrix is subject to rushes
It hits, to effectively reduce the brittleness of adhesive, improves its toughness；In addition, polyisobutene has good chemical-resistant and resistance to
Soda acid performance, therefore can also effectively improve the resistance to acid and alkali of adhesive.
Specific implementation mode：
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1
Urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 14 parts of starch, polyvinyl alcohol
3.5 parts, 0.5 part of pull open powder, 2.4 parts of 1 part of antioxidant A W, EVA-g-MAH, 15 parts of ammonium chloride, KH5500.5 parts, bean powder 10
Part, 8.8 parts of aryloxy polyphosphazene, 6.5 parts of polyisobutene.
The step of preparation method, is as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with EVA-g-MAH after Lauxite is ground, mixing 20
Starch, KH550 are added in high mixer after minute, mixing obtains mixture after 30 minutes, adds mixture into twin-screw extrusion
The temperature of each section of machine melting extrusion, double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by polyvinyl alcohol, pull open powder, antioxidant A W, chlorination
Ammonium, bean powder are added in blender, and insulated and stirred is reacted 30 minutes after being heated to 100 DEG C, mixing speed 400r/min, after discharging
Obtain urea-formaldehyde resin adhesive.
Embodiment 2
Urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 10 parts of wood powder, polyvinyl alcohol 5
Part, 0.9 part of pull open powder, 2.5 parts of 0.8 part of antioxidant A W, EVA-g-MAH, 16 parts of ammonium chloride, KH5500.7 parts, 8 parts of bean powder,
8.5 parts of aryloxy polyphosphazene, 7.5 parts of polyisobutene.
The step of preparation method, is as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with EVA-g-MAH after Lauxite is ground, mixing 20
Wood powder, KH550 are added in high mixer after minute, mixing obtains mixture after 30 minutes, adds mixture into twin-screw extrusion
The temperature of each section of machine melting extrusion, double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by polyvinyl alcohol, pull open powder, antioxidant A W, chlorination
Ammonium, bean powder are added in blender, and insulated and stirred is reacted 30 minutes after being heated to 100 DEG C, mixing speed 400r/min, after discharging
Obtain urea-formaldehyde resin adhesive.
Embodiment 3
Urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 15 parts of wood powder, polyvinyl alcohol 3
Part, 0.7 part of pull open powder, 2.1 parts of 0.6 part of antioxidant A W, EVA-g-MAH, 12 parts of ammonium chloride, KH5500.9 parts, 6 parts of bean powder,
9 parts of aryloxy polyphosphazene, 7 parts of polyisobutene.
The step of preparation method, is as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with EVA-g-MAH after Lauxite is ground, mixing 20
Wood powder, KH550 are added in high mixer after minute, mixing obtains mixture after 30 minutes, adds mixture into twin-screw extrusion
The temperature of each section of machine melting extrusion, double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by polyvinyl alcohol, pull open powder, antioxidant A W, chlorination
Ammonium, bean powder are added in blender, and insulated and stirred is reacted 30 minutes after being heated to 100 DEG C, mixing speed 400r/min, after discharging
Obtain urea-formaldehyde resin adhesive.
Embodiment 4
Urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 12 parts of starch, polyvinyl alcohol
4.5 parts, 1 part of pull open powder, 2.8 parts of 0.5 part of antioxidant A W, EVA-g-MAH, 18 parts of ammonium chloride, KH5500.6 parts, 9 parts of bean powder,
8 parts of aryloxy polyphosphazene, 9 parts of polyisobutene.
The step of preparation method, is as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with EVA-g-MAH after Lauxite is ground, mixing 20
Starch, KH550 are added in high mixer after minute, mixing obtains mixture after 30 minutes, adds mixture into twin-screw extrusion
The temperature of each section of machine melting extrusion, double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by polyvinyl alcohol, pull open powder, antioxidant A W, chlorination
Ammonium, bean powder are added in blender, and insulated and stirred is reacted 30 minutes after being heated to 100 DEG C, mixing speed 400r/min, after discharging
Obtain urea-formaldehyde resin adhesive.
Embodiment 5
Urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 11 parts of starch, polyvinyl alcohol 4
Part, 0.6 part of pull open powder, 2 parts of 0.7 part of antioxidant A W, EVA-g-MAH, 20 parts of ammonium chloride, KH5500.8 parts, 7 parts of bean powder, virtue
10 parts of oxygroup polyphosphazene, 6 parts of polyisobutene.
The step of preparation method, is as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with EVA-g-MAH after Lauxite is ground, mixing 20
Starch, KH550 are added in high mixer after minute, mixing obtains mixture after 30 minutes, adds mixture into twin-screw extrusion
The temperature of each section of machine melting extrusion, double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by polyvinyl alcohol, pull open powder, antioxidant A W, chlorination
Ammonium, bean powder are added in blender, and insulated and stirred is reacted 30 minutes after being heated to 100 DEG C, mixing speed 400r/min, after discharging
Obtain urea-formaldehyde resin adhesive.
Embodiment 6
Urea-formaldehyde resin adhesive, component and parts by weight are：100 parts of Lauxite, 13 parts of wood powder, polyvinyl alcohol
4.4 parts, 0.8 part of pull open powder, 3 parts of 0.9 part of antioxidant A W, EVA-g-MAH, 10 parts of ammonium chloride, KH5501 parts, 5 parts of bean powder, virtue
9.5 parts of oxygroup polyphosphazene, 8 parts of polyisobutene.
The step of preparation method, is as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, it is high
The mixing speed of mixed machine is 2000r/min, is added in high mixer together with EVA-g-MAH after Lauxite is ground, mixing 20
Starch, KH550 are added in high mixer after minute, mixing obtains mixture after 30 minutes, adds mixture into twin-screw extrusion
The temperature of each section of machine melting extrusion, double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, by polyvinyl alcohol, pull open powder, antioxidant A W, chlorination
Ammonium, bean powder are added in blender, and insulated and stirred is reacted 30 minutes after being heated to 100 DEG C, mixing speed 400r/min, after discharging
Obtain urea-formaldehyde resin adhesive.
After tested, the heat resistance of embodiment 1-6 and comparative example, resistance to acid and alkali, toughness are as shown in the table, wherein
Comparative example is the Chinese patent of Publication No. CN103436208A；
Heat resistance test process is：Each adhesive glue film is put into the water of boiling, tests it since being put into nature
It cracks elapsed time, boiling water cracking time is longer, and heat resistance is better；
Resistance to acid and alkali test process is：By each adhesive glue film be soaked in respectively mass fraction be 20% sulfuric acid solution and
In sodium hydroxide solution, test quality change rate after being impregnated 10 days under room temperature, mass change is smaller, and resistance to acid and alkali is better, matter
Quantitative change rate=(quality after quality-immersion before impregnating)/quality × 100% before impregnating；
Toughness test refers to GB/T 1043.1-2008 standards, tests the impact strength of each adhesive glue film, impact strength
Higher, toughness is better.
Upper table shows that the boiling water cracking time of 1-6 of the embodiment of the present invention is considerably longer than comparative example, sulfuric acid mass change,
Sodium hydroxide mass change is significantly lower than comparative example, and impact strength is then many higher than comparative example, shows resistance to well
Hot, resistance to acid and alkali, toughness.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (2)
1. a kind of urea-formaldehyde resin adhesive, it is characterised in that：Its component and parts by weight are：100 parts of Lauxite, filler 10
~15 parts, 3~5 parts of tackifier, 0.5~1 part of foaming agent, 0.5~1 part of anti-aging agent, 2~3 parts of compatilizer, curing agent 10~20
Part, 0.5~1 part of coupling agent, 5~10 parts of methanal trapping agent, 8~10 parts of aryloxy polyphosphazene, 6~9 parts of polyisobutene are described to fill out
Material is starch or wood powder, and the tackifier are polyvinyl alcohol, and the foaming agent is pull open powder, and the anti-aging agent is antioxidant A W,
The compatilizer is EVA-g-MAH, and the curing agent is ammonium chloride, and the coupling agent is KH550, and the methanal trapping agent is beans
Powder.
2. a kind of preparation method of urea-formaldehyde resin adhesive according to claim 1, it is characterised in that：Its step are as follows：
(1) each component is weighed by formula, high-speed mixer and mixing is added 30 minutes in aryloxy polyphosphazene, polyisobutene, high mixer
Mixing speed be 2000r/min, be added in high mixer together with compatilizer after Lauxite is ground, mixing after twenty minutes will
Filler, coupling agent are added in high mixer, and mixing obtains mixture after 30 minutes, add mixture into double screw extruder melting and squeeze
Go out, the temperature of each section of double screw extruder is 170-205 DEG C, and screw speed 900r/min obtains extruded stock；
(2) extruded stock that step (1) obtains is poured into blender, tackifier, foaming agent, anti-aging agent, curing agent, formaldehyde is caught
Agent is obtained to be added in blender, insulated and stirred is reacted 30 minutes, mixing speed 400r/min after being heated to 100 DEG C, after discharging
To urea-formaldehyde resin adhesive.
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| CN112809951B (en) * | 2020-12-22 | 2022-09-16 | 南京百美科技新材料有限公司 | Preparation process of injection-grade high-impact amino mold material |
Citations (3)
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|---|---|---|---|---|
| CN103436208A (en) * | 2013-08-28 | 2013-12-11 | 陆美玲 | Moisture-proof urea-formaldehyde resin adhesive and production method thereof |
| CN104371590A (en) * | 2014-10-31 | 2015-02-25 | 青岛昌安达药业有限公司 | High-performance waterproof sealant |
| CN105038118A (en) * | 2015-07-07 | 2015-11-11 | 苏州珍展科技材料有限公司 | Urea-formaldehyde resin-based composite material and preparation method thereof |
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| CN103436208A (en) * | 2013-08-28 | 2013-12-11 | 陆美玲 | Moisture-proof urea-formaldehyde resin adhesive and production method thereof |
| CN104371590A (en) * | 2014-10-31 | 2015-02-25 | 青岛昌安达药业有限公司 | High-performance waterproof sealant |
| CN105038118A (en) * | 2015-07-07 | 2015-11-11 | 苏州珍展科技材料有限公司 | Urea-formaldehyde resin-based composite material and preparation method thereof |
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Denomination of invention: A urea formaldehyde resin adhesive and its preparation method Granted publication date: 20180731 Pledgee: Jiangmen Rural Commercial Bank Co.,Ltd. Hetang sub branch Pledgor: Jiangmen ligaoxin Material Technology Co.,Ltd. Registration number: Y2024980041895 |