CN109594409A - A kind of wear-resistant impregnated bond paper and preparation method thereof - Google Patents
A kind of wear-resistant impregnated bond paper and preparation method thereof Download PDFInfo
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- CN109594409A CN109594409A CN201811527652.5A CN201811527652A CN109594409A CN 109594409 A CN109594409 A CN 109594409A CN 201811527652 A CN201811527652 A CN 201811527652A CN 109594409 A CN109594409 A CN 109594409A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
- C08G12/32—Melamines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
- D21H23/72—Plural serial stages only
Abstract
The present invention provides a kind of wear-resistant impregnated bond paper and preparation method thereof, and in particular to facing paper technical field.The present invention includes following preparation step: a. prepares wear-resisting triamine glue；B. antiwear assistant is prepared；C. single-steeping；D. double-steeping；E. it sprays；F. it shears.Wherein, the raw material for preparing of wear-resisting triamine glue is formaldehyde, melamine, water, 301 auxiliary agents and sodium hydrate aqueous solution；The raw material for preparing of antiwear assistant is chitin, hexadecyl trimethoxy silane, water, hydrochloric acid, sodium hydrate aqueous solution and trehalose -6,6 '-two mycolates.Bond paper produced by the present invention has high wearability, flexibility and the feature of environmental protection, it can be achieved that low burst size of methanal and long-term durability.Preparation method step of the present invention is simple, technique is controllable, is suitable for large-scale production.
Description
[technical field]
The present invention relates to facing paper technical fields, and in particular to a kind of wear-resistant impregnated bond paper and preparation method thereof.
[background technique]
Impregnated bond paper is a kind of by body paper dipping amino resins or phenolic resin, and is dried to certain curing degree, is passed through
Hot pressing mutually can bond or post the gum dipped paper (abbreviation bond paper) in artificial plate surface.
Body paper surface can print out various floral designs, bond paper be obtained through dipping, with artificial after bond paper facing
Plate has the characteristics that more designs and varieties, beautiful and generous, relative low price, easy to clean.People after impregnated bond paper facing
It makes plate not needing to carry out secondary covering with paint, can be directly used for incrustation, interior decoration and the ground inside furniture, building or car and boat
Mat formation in face.With the continuous improvement that the development and people of wood-based plate secondary operation technology require quality of life, glue film is impregnated
It is extremely important for the paper quality face artificial board excellent to the quality of production.It researches and develops wear-resistant immersion resin or uses tree in dipping
Wear-resistant material is added in rouge and is used for impregnated bond paper, and can produce has long-term wear-resisting, durability face artificial board.China
License notification number is CN105220570B, a kind of entitled patent document of the production method of the ecological impregnated paper of science and technology, open
It is a kind of first to impregnate body paper with urea-formaldehyde glue, then the glue that the method production shock resistance and wear-resisting property that are coated with triamine glue are high
Film paper, but wherein urea-formaldehyde glue prepare when, formaldehyde dosage is excessively high, and amount of urea is relatively relatively low, and urea cannot be completely combined formaldehyde,
In long-term storage, free formaldehyde release can be exceeded.China Patent Publication No. is CN201611231078, entitled wear-resisting decoration
The patent document of the production technology of paper, also disclose it is a kind of using urea-formaldehyde glue dipping, triamine glue spraying body paper method prepare glue
Film paper, but due in urea-formaldehyde glue content have a large amount of active groups so that the degree of cross linking of the glue is too high, cause glue brittleness big,
Reduce wear-resisting property.
As it can be seen that wear-resistant impregnated bond paper has that burst size of methanal is higher, wear-resisting property is relatively low at present, therefore, have
Necessity develops a kind of durable, environmentally friendly wear-resistant impregnated bond paper.
[summary of the invention]
Goal of the invention of the invention is: for wear-resistant impregnated bond paper, that there are burst size of methanal is higher, wear-resisting property is inclined
Low problem provides a kind of not only durable but also environmentally friendly wear-resistant impregnated bond paper, bond paper obtained can be made to have high wear-resisting
Property, flexibility and the feature of environmental protection, realize low burst size of methanal and long-term durability.Preparation method step of the present invention is simple, technique
Controllably, it is suitable for large-scale production.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of preparation method of wear-resistant impregnated bond paper, comprising the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2075-2395 parts and water 500-800 parts of formaldehyde to be added to reaction
In kettle, adding sodium hydroxide aqueous solution adjusts pH value to 8.8-9.1, is then added melamine 1850-1870 parts, is then warming up to
93-95 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 9.3-9.5, continues to maintain the temperature at 93-95 DEG C of reaction 22-40 points
Zhong Hou starts to measure water-soluble ratio, when reaction proceeds to 100-150 minutes, measure it is water-soluble than be 1.9-2.2 when, use hydroxide
Sodium water solution adjusts pH value to 9.3-9.5, then cools down, then when temperature is reduced to 72-82 DEG C, 301 auxiliary agent 150- are added
250 parts, continue to maintain the temperature at 72-82 DEG C, react 40-50 minute, then measure it is water-soluble than being 1.7-1.9 when, addition hydrogen-oxygen
Change sodium water solution and adjust pH value to 8.8-9.1, be then cooled to 35-45 DEG C, can plastic emitting, obtain wear-resisting triamine glue；Described 301 help
Agent, the raw material including following weight part ratio: 31-40 parts of water, 24-30 parts sweet and pure, 11-15 parts of ammonium hydroxide and 2-6 parts of diethylene glycol (DEG)；
B. it prepares antiwear assistant: by weight, taking 30-50 parts of chitin, 10-18 parts of hexadecyl trimethoxy silane
With 20-30 parts of water, be added in reaction kettle, then heat to 113-121 DEG C, then plus salt acid for adjusting pH value is to 3.8-4.2, after
It is continuous to maintain the temperature at 113-121 DEG C of reaction 40-50 minutes, it is then cooled to 40-50 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH
Value is then transferred in high speed dispersion homogenizer to 8.4-8.8, adds 1-3 parts of 6,6 '-two mycolate of trehalose-, be arranged
High speed dispersion homogenizer revolving speed is 5000-6000 revs/min, stirs 5-7 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, be subsequently placed in wear-resisting triamine glue carry out it is primary
Dipping, control dip time is 38-50s, impregnation increment is 45-65g/ ㎡, then in 100-110 DEG C of dry 80-100s, is obtained once
Impregnated paper；
D. double-steeping: taking single-steeping paper, be placed in antiwear assistant and carry out double-steeping, then dry at 120-130 DEG C
Dry 115-135s obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control spray
Painting amount obtains spraying paper then in 105-125 DEG C of dry 90-110s for 60-80g/ ㎡；
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant immersion glue
Film paper.
Optimization, 301 auxiliary agents described in step a the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle,
Then ammonium hydroxide is added, stirs 5-15 minutes, adds diethylene glycol (DEG), then in 10-15 minutes, after being warming up to 101-105 DEG C, instead
It answers 16-24 minutes, is subsequently added into sweet and pure, stirring 25-35 minutes, then proceed to react 30-40 minutes, be finally cooled to room temperature,
Obtain 301 auxiliary agents.
It advanced optimizes, after melamine is added in step a, is passed through carbon dioxide gas.
Further optimize, the dip time of double-steeping described in step d is 30-40s, dipping temperature 50-60
DEG C, impregnation increment be 40-50g/ ㎡.
Further optimize again, wear-resisting triamine glue described in step e and antiwear assistant 13-27:1 by weight are carried out
Mixing.
Further optimize again, the mixed method of wear-resisting triamine glue and antiwear assistant described in step e are as follows: take wear-resisting help
Agent is placed in high speed dispersion homogenizer, is stirred, and setting speed of agitator is 5500-6500 revs/min, is then slowly added into
Wear-resisting triamine glue continues stirring 8-12 minutes, is then transferred in high pressure homogenizer, the homogeneous 2-4 in the case where pressure is 20-28MPa
It is secondary.
Further optimize again, the ratio between upper and lower surfaces glue-spread of double-steeping paper described in step e is 1-
1.3:1。
A kind of wear-resistant impregnated bond paper for being prepared as described above method and obtaining.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. 301 auxiliary agents are added in the present invention in the reaction of formaldehyde and melamine, it is stretchable that triamine xanthan molecule can be promoted
Property and toughness, moreover it is possible to react in remaining free formaldehyde react, be aggregated to formaldehyde completely in the structure of triamine glue, formed not
Reversible is permanently fixed, while adding antiwear assistant and promoting wear-resisting property, and using dipping twice and primary spraying in technique
Sizing step, make bond paper have three-layer protection film, every layer of protective film is reinforced layer by layer, to make the dipping glue film produced
Paper have high wearability and flexibility, wear-resisting revolution up to 6500 turns or more, make burst size of methanal control 0.3mg/L or less,
Volatile content controls between 6.2-8.3%, procuring degree control is within the scope of 27%-32%.
2. 301 auxiliary agents of the invention use sweet and pure, diethylene glycol (DEG) and ammonium hydroxide for primary raw material, using water as reaction dissolvent, preparation
The straight chain and branched chain compound of retractility are provided, contains amino, imino group, hydroxyl in compound molecule, it is anti-to be added to the later period
After answering in liquid, the triamine xanthan polymer formed with formaldehyde and melamine reacts, and can combine the imino group in polymer
And methylene, prevent the further polycondensation of polymer from being crosslinked adult form molecule, and figure molecule can reduce the stability of glue and resistance to
Mill property, 301 auxiliary agents can significantly reduce figure molecular amounts.301 auxiliary compound molecules also help reduction and draw from melamine
The gather density of the triazine ring rigid structure entered extends strand, the toughness of glue is further enhanced, to increase wearability；
Meanwhile 301 auxiliary agent can also reduce glue burst size of methanal in conjunction with unreacted free formaldehyde.
Sweet and pure in the present invention is hexahydroxylic alcohols, can be used as drug excipient, thermal stability, ph stability are high, safely may be used
It leans on, due to the electron attraction of nitrogen-atoms in ammonium hydroxide, keeps hydrogen atom activity higher, it is both above-mentioned to be thermally formed band with diethylene glycol (DEG)
There are the polyol compound of amino, imino group, i.e. 301 auxiliary agents.301 auxiliary agents generated are preventing the further polycondensation friendship of glue molecule
Connection maintains to be significantly better than other polyalcohols such as diethylene glycol (DEG), glucose in terms of glue molecular structure stabilized, increase glue wearability,
And 301 auxiliary dosages are extremely low in reaction, more tend to low toxicity, ring relative to being used alone for diethylene glycol (DEG) or diethylene glycol (DEG) and ammonium hydroxide
It protects.
The temperature that reaction kettle is added in 301 auxiliary agents of the invention is 72-82 DEG C, and only in this temperature range, 301 auxiliary agents are
Energy and reacted polymer molecule, generate uniform linear structure.Temperature is too low, then 301 auxiliary agents cannot be reacted with polymer molecule
Completely, it causes glue is intermolecular itself to be cross-linked with each other, reduces stability；Temperature is excessively high, then glue is intermolecular is easily formed
Crosslinking reduces stability.
3. the present invention is passed through carbon dioxide gas in melamine and formaldehyde reaction process, its exclusive gas shape is utilized
State is passed into reaction solution, slows down the severe degree of reaction, effectively reduces the quantity for generating the high figure molecule of the degree of cross linking, is increased
The stability and wearability of melamine glue improve bond paper tensile strength and wearability.Carbon dioxide generates in reaction solution
Bubble blanketing effect reduces the contact probability of melamine and formaldehyde molecule, prevents the generation of further polycondensation reaction, and dioxy
Change carbon molecules category high degree of symmetry structure, stability is high, is not involved in the synthetic reaction of glue, will not generate to the quality of triamine glue negative
Face is rung, and due to its gas form, is easy to remove, will not be formed residual in triamine glue.
4. using the glue-applying technique for impregnating and once spraying twice in the present invention, the sizing of three steps combines closely, is all linked with one another,
The type of every step sizing is different, after being summarized by the research of a large amount of creative experiments, obtains the best sizing time of every step, applies
Glue amount and temperature parameter make bond paper surface form firm protecting film, have high wearability and the feature of environmental protection；Film layer thickness is suitable
In, bond paper is soft, toughness is high.
Sizing type of the present invention in double-steeping is antiwear assistant, is that a kind of particle is fine and smooth, uniform emulsion, can
Paper thickness in paper surface, after making impregnation drying is uniform, flatness is within the scope of 1mm uniformly to shakeout in dipping, puts down
It is whole, smooth, without particulate matter.Chitin and hexadecyl trimethoxy silane react to form spacial framework first, then plus
Enter 6,6 '-two mycolate of trehalose-as dispersing agent, is sheared using high speed dispersion homogenizer, it is thin to ultimately form particle
Greasy, uniform emulsion.6,6 '-two mycolate of trehalose-belongs to nonionic surface active agent, biodegradable, to ring
Border is mild, and has high ph stability, can be used as excellent emulsifying dispersant, helps antiwear assistant rapidly and uniformly newborn
Change.Hexadecyl trimethoxy silane has silicon methoxyl group, can hydrolyze in acidic aqueous solution, be condensed and form organic oxide
Network, while silicon methoxyl group can be crosslinked again with acetylamino, the hydroxyl in chitin, finally be aggregated into chitin heavily fortified point
Organic compound network of rigid energy, is further dried at a suitable temperature, forms hard protective film, be fitted in triamine glue and formed
Single-steeping layer surface, make to form vacuum interlayer between two film layers, cause pressure difference from outside to inside, facilitate in single-steeping layer
Triamine glue penetration enter in paper fibre, promote the flexibility and wearability of bond paper.
After wear-resisting triamine glue and antiwear assistant mix in the present invention, smash with high speed dispersion homogenizer and high pressure homogenizer
Broken, emulsification, then sizing is sprayed, paper outermost layer can be made to form uniform, firm, wear-resisting, environmentally friendly protective film, further promoted
The practical performance of bond paper.In the preparation, the proportion that need to rationally control wear-resisting triamine glue and antiwear assistant, utilizes the strong of triamine glue
Glue performance forms strong wearing coat by antiwear assistant uniform adhesion in paper surface, meanwhile, the chitin in antiwear assistant
Hydroxyl and acetylamino can reduce burst size of methanal in conjunction with the free formaldehyde in triamine glue again；Triamine glue dosage is excessive, then first
Aldehyde burst size increases, and very few, then protective layer is easy to fall off.After wear-resisting triamine glue and antiwear assistant mixing, using high speed dispersion homogeneous
Machine is dispersed into colostrum, then homogeneous can make antiwear assistant be dispersed in triamine at 100nm micro emulsion below under authorized pressure
In glue, the uniform solution with micronet structure is formed, protection film thickness can be not only reduced, but also wear-resisting property can be enhanced, make
Bond paper is not only wear-resisting, environmentally friendly, but also soft tough and tensile.
[specific embodiment]
Below with reference to embodiment, the invention will be further described.
Embodiment 1
A kind of preparation method of wear-resistant impregnated bond paper, comprising the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2075 parts and 500 parts of water of formaldehyde to be added in reaction kettle, add hydrogen
Aqueous solution of sodium oxide adjusts pH value to 8.8, is then added 1850 parts of melamine, then be passed through carbon dioxide gas, then heats up
To 93 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 9.3, continues after maintaining the temperature at 93 DEG C of reactions 22 minutes, starts to survey
Fixed water-soluble ratio, when reaction proceeds to 100 minutes, measure it is water-soluble than being 1.9 when, with sodium hydrate aqueous solution adjust pH value to
9.3, then cool down, then when temperature is reduced to 72 DEG C, 150 parts of 301 auxiliary agent is added, continues to maintain the temperature at 72 DEG C, reaction
40 minutes, then measure it is water-soluble than for 1.7 when, sodium hydrate aqueous solution is added and adjusts pH value to 8.8, is then cooled to 35 DEG C,
Can plastic emitting, obtain wear-resisting triamine glue；301 auxiliary agent, the raw material including following weight part ratio: 31 parts of water, 24 parts sweet and pure, ammonium hydroxide
11 parts and 2 parts of diethylene glycol (DEG)；
Wherein, 301 auxiliary agents the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle, ammonium hydroxide is then added,
Stirring 5 minutes, add diethylene glycol (DEG), then in 10 minutes, after being warming up to 101 DEG C, react 16 minutes, be subsequently added into it is sweet and pure,
Stirring 25 minutes then proceedes to reaction 30 minutes, is finally cooled to room temperature, obtains 301 auxiliary agents.
B. it prepares antiwear assistant: by weight, taking 30 parts of chitin, 10 parts of hexadecyl trimethoxy silane and water 20
Part, it is added in reaction kettle, then heats to 113 DEG C, then plus salt acid for adjusting pH value is to 3.8, continues to maintain the temperature at 113 DEG C
Then reaction 40 minutes is cooled to 40 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 8.4, is then transferred to high speed dispersion
In homogenizer, 1 part of 6,6 '-two mycolate of trehalose-is added, setting high speed dispersion homogenizer revolving speed is 5000 turns/
Minute, it stirs 5 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, be subsequently placed in wear-resisting triamine glue carry out it is primary
Dipping, control dip time is 38s, impregnation increment is 45g/ ㎡, then in 100 DEG C of dry 80s, obtains single-steeping paper；
D. double-steeping: taking single-steeping paper, be placed in antiwear assistant and carry out double-steeping, control dip time be 30s,
Dipping temperature is 50 DEG C, impregnation increment is 40g/ ㎡, then in 120 DEG C of dry 115s, obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control spray
Painting amount obtains spraying paper then in 105 DEG C of dry 90s for 60g/ ㎡；
Wherein, wear-resisting triamine glue and antiwear assistant 13:1 by weight are mixed.
The mixed method of wear-resisting triamine glue and antiwear assistant are as follows: take antiwear assistant, be placed in high speed dispersion homogenizer, carry out
Stirring, setting speed of agitator are 5500 revs/min, are then slowly added into wear-resisting triamine glue, continue stirring 8 minutes, then shift
Into high pressure homogenizer, in the case where pressure is 20MPa homogeneous 2 times.
The ratio between upper and lower surfaces glue-spread of double-steeping paper is 1:1.
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant immersion glue
Film paper.
Embodiment 2
A kind of preparation method of wear-resistant impregnated bond paper, comprising the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2395 parts and 800 parts of water of formaldehyde to be added in reaction kettle, add hydrogen
Aqueous solution of sodium oxide adjusts pH value to 9.1, is then added 1870 parts of melamine, then be passed through carbon dioxide gas, then heats up
To 95 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 9.5, continues to maintain the temperature at 95 DEG C of reactions after forty minutes, starts to survey
Fixed water-soluble ratio, when reaction proceeds to 150 minutes, measure it is water-soluble than being 2.2 when, with sodium hydrate aqueous solution adjust pH value to
9.5, then cool down, then when temperature is reduced to 82 DEG C, 250 parts of 301 auxiliary agent is added, continues to maintain the temperature at 82 DEG C, reaction
50 minutes, then measure it is water-soluble than for 1.9 when, sodium hydrate aqueous solution is added and adjusts pH value to 9.1, is then cooled to 45 DEG C,
Can plastic emitting, obtain wear-resisting triamine glue；301 auxiliary agent, the raw material including following weight part ratio: 40 parts of water, 30 parts sweet and pure, ammonium hydroxide
15 parts and 6 parts of diethylene glycol (DEG)；
Wherein, 301 auxiliary agents the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle, ammonium hydroxide is then added,
Stirring 15 minutes, add diethylene glycol (DEG), then in 15 minutes, after being warming up to 105 DEG C, react 24 minutes, be subsequently added into it is sweet and pure,
Stirring 35 minutes then proceedes to reaction 40 minutes, is finally cooled to room temperature, obtains 301 auxiliary agents.
B. it prepares antiwear assistant: by weight, taking 50 parts of chitin, 18 parts of hexadecyl trimethoxy silane and water 30
Part, it is added in reaction kettle, then heats to 121 DEG C, then plus salt acid for adjusting pH value is to 4.2, continues to maintain the temperature at 121 DEG C
Then reaction 50 minutes is cooled to 50 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 8.8, is then transferred to high speed dispersion
In homogenizer, 3 parts of 6,6 '-two mycolate of trehalose-is added, 6000 revs/min of high speed dispersion homogenizer revolving speed is set
Clock stirs 7 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, be subsequently placed in wear-resisting triamine glue carry out it is primary
Dipping, control dip time is 50s, impregnation increment is 65g/ ㎡, then in 110 DEG C of dry 100s, obtains single-steeping paper；
D. double-steeping: taking single-steeping paper, be placed in antiwear assistant and carry out double-steeping, control dip time be 40s,
Dipping temperature is 60 DEG C, impregnation increment is 50g/ ㎡, then in 130 DEG C of dry 135s, obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control spray
Painting amount obtains spraying paper then in 125 DEG C of dry 110s for 80g/ ㎡；
Wherein, wear-resisting triamine glue and antiwear assistant 27:1 by weight are mixed.
The mixed method of wear-resisting triamine glue and antiwear assistant are as follows: take antiwear assistant, be placed in high speed dispersion homogenizer, carry out
Stirring, setting speed of agitator are 6500 revs/min, are then slowly added into wear-resisting triamine glue, continue stirring 12 minutes, then shift
Into high pressure homogenizer, in the case where pressure is 28MPa homogeneous 4 times.
The ratio between upper and lower surfaces glue-spread of double-steeping paper is 1.3:1.
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant immersion glue
Film paper.
Embodiment 3
A kind of preparation method of wear-resistant impregnated bond paper, comprising the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2350 parts and 600 parts of water of formaldehyde to be added in reaction kettle, add hydrogen
Aqueous solution of sodium oxide adjusts pH value to 8.9, is then added 1855 parts of melamine, then be passed through carbon dioxide gas, then heats up
To 94 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 9.4, continues after maintaining the temperature at 94 DEG C of reactions 26 minutes, starts to survey
Fixed water-soluble ratio, when reaction proceeds to 110 minutes, measure it is water-soluble than being 2.0 when, with sodium hydrate aqueous solution adjust pH value to
9.4, then cool down, then when temperature is reduced to 75 DEG C, 175 parts of 301 auxiliary agent is added, continues to maintain the temperature at 75 DEG C, reaction
43 minutes, then measure it is water-soluble than for 1.8 when, sodium hydrate aqueous solution is added and adjusts pH value to 8.9, is then cooled to 37 DEG C,
Can plastic emitting, obtain wear-resisting triamine glue；301 auxiliary agent, the raw material including following weight part ratio: 32 parts of water, 25 parts sweet and pure, ammonium hydroxide
12 parts and 3 parts of diethylene glycol (DEG)；
Wherein, 301 auxiliary agents the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle, ammonium hydroxide is then added,
Stirring 7 minutes, add diethylene glycol (DEG), then in 11 minutes, after being warming up to 102 DEG C, react 18 minutes, be subsequently added into it is sweet and pure,
Stirring 27 minutes then proceedes to reaction 32 minutes, is finally cooled to room temperature, obtains 301 auxiliary agents.
B. it prepares antiwear assistant: by weight, taking 35 parts of chitin, 12 parts of hexadecyl trimethoxy silane and water 22
Part, it is added in reaction kettle, then heats to 115 DEG C, then plus salt acid for adjusting pH value is to 3.9, continues to maintain the temperature at 115 DEG C
Then reaction 42 minutes is cooled to 43 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 8.5, is then transferred to high speed dispersion
In homogenizer, 1.5 parts of 6,6 '-two mycolate of trehalose-is added, setting high speed dispersion homogenizer revolving speed is 5200
Rev/min, it stirs 6 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, be subsequently placed in wear-resisting triamine glue carry out it is primary
Dipping, control dip time is 40s, impregnation increment is 50g/ ㎡, then in 102 DEG C of dry 85s, obtains single-steeping paper；
D. double-steeping: taking single-steeping paper, be placed in antiwear assistant and carry out double-steeping, control dip time be 32s,
Dipping temperature is 52 DEG C, impregnation increment is 42g/ ㎡, then in 123 DEG C of dry 120s, obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control spray
Painting amount obtains spraying paper then in 110 DEG C of dry 95s for 65g/ ㎡；
Wherein, wear-resisting triamine glue and antiwear assistant 15:1 by weight are mixed.
The mixed method of wear-resisting triamine glue and antiwear assistant are as follows: take antiwear assistant, be placed in high speed dispersion homogenizer, carry out
Stirring, setting speed of agitator are 5700 revs/min, are then slowly added into wear-resisting triamine glue, continue stirring 9 minutes, then shift
Into high pressure homogenizer, in the case where pressure is 22MPa homogeneous 3 times.
The ratio between upper and lower surfaces glue-spread of double-steeping paper is 1.2:1.
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant immersion glue
Film paper.
Embodiment 4
A kind of preparation method of wear-resistant impregnated bond paper, comprising the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2325 parts and 700 parts of water of formaldehyde to be added in reaction kettle, add hydrogen
Aqueous solution of sodium oxide adjusts pH value to 9.0, is then added 1865 parts of melamine, then be passed through carbon dioxide gas, then heats up
To 94 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 9.4, continues after maintaining the temperature at 94 DEG C of reactions 35 minutes, starts to survey
Fixed water-soluble ratio, when reaction proceeds to 135 minutes, measure it is water-soluble than being 2.1 when, with sodium hydrate aqueous solution adjust pH value to
9.4, then cool down, then when temperature is reduced to 80 DEG C, 225 parts of 301 auxiliary agent is added, continues to maintain the temperature at 80 DEG C, reaction
48 minutes, then measure it is water-soluble than for 1.8 when, sodium hydrate aqueous solution is added and adjusts pH value to 9.0, is then cooled to 42 DEG C,
Can plastic emitting, obtain wear-resisting triamine glue；301 auxiliary agent, the raw material including following weight part ratio: 38 parts of water, 28.5 parts sweet and pure, ammonia
14 parts and 5 parts of diethylene glycol (DEG) of water；
Wherein, 301 auxiliary agents the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle, ammonium hydroxide is then added,
Stirring 12 minutes, add diethylene glycol (DEG), then in 14 minutes, after being warming up to 104 DEG C, react 22 minutes, be subsequently added into it is sweet and pure,
Stirring 33 minutes then proceedes to reaction 37 minutes, is finally cooled to room temperature, obtains 301 auxiliary agents.
B. it prepares antiwear assistant: by weight, taking 45 parts of chitin, 16 parts of hexadecyl trimethoxy silane and water 27
Part, it is added in reaction kettle, then heats to 119 DEG C, then plus salt acid for adjusting pH value is to 4.1, continues to maintain the temperature at 119 DEG C
Then reaction 48 minutes is cooled to 47 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 8.7, is then transferred to high speed dispersion
In homogenizer, 2.5 parts of 6,6 '-two mycolate of trehalose-is added, setting high speed dispersion homogenizer revolving speed is 5800
Rev/min, it stirs 6 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, be subsequently placed in wear-resisting triamine glue carry out it is primary
Dipping, control dip time is 47s, impregnation increment is 60g/ ㎡, then in 107 DEG C of dry 95s, obtains single-steeping paper；
D. double-steeping: taking single-steeping paper, be placed in antiwear assistant and carry out double-steeping, control dip time be 37s,
Dipping temperature is 57 DEG C, impregnation increment is 48g/ ㎡, then in 127 DEG C of dry 130s, obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control spray
Painting amount obtains spraying paper then in 120 DEG C of dry 105s for 75g/ ㎡；
Wherein, wear-resisting triamine glue and antiwear assistant 25:1 by weight are mixed.
The mixed method of wear-resisting triamine glue and antiwear assistant are as follows: take antiwear assistant, be placed in high speed dispersion homogenizer, carry out
Stirring, setting speed of agitator are 6200 revs/min, are then slowly added into wear-resisting triamine glue, continue stirring 11 minutes, then shift
Into high pressure homogenizer, in the case where pressure is 26MPa homogeneous 3 times.
The ratio between upper and lower surfaces glue-spread of double-steeping paper is 1.2:1.
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant immersion glue
Film paper.
Embodiment 5
A kind of preparation method of wear-resistant impregnated bond paper, comprising the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2235 parts and 650 parts of water of formaldehyde to be added in reaction kettle, add hydrogen
Aqueous solution of sodium oxide adjusts pH value to 8.9, is then added 1860 parts of melamine, then be passed through carbon dioxide gas, then heats up
To 94 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 9.4, continues after maintaining the temperature at 94 DEG C of reactions 31 minutes, starts to survey
Fixed water-soluble ratio, when reaction proceeds to 125 minutes, measure it is water-soluble than being 2.1 when, with sodium hydrate aqueous solution adjust pH value to
9.4 then cool down, and then when temperature is reduced to 77 DEG C, 200 parts of 301 auxiliary agent is added, and continue to maintain the temperature at 77 DEG C, reaction 45
Minute, then measure it is water-soluble than for 1.8 when, sodium hydrate aqueous solution is added and adjusts pH value to 8.9, is then cooled to 40 DEG C, i.e.,
Can plastic emitting, obtain wear-resisting triamine glue；301 auxiliary agent, the raw material including following weight part ratio: 36 parts of water, 27 parts sweet and pure, ammonium hydroxide 13
Part and 4 parts of diethylene glycol (DEG)；
Wherein, 301 auxiliary agents the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle, ammonium hydroxide is then added,
Stirring 10 minutes, add diethylene glycol (DEG), then in 12 minutes, after being warming up to 103 DEG C, react 20 minutes, be subsequently added into it is sweet and pure,
Stirring 30 minutes then proceedes to reaction 35 minutes, is finally cooled to room temperature, obtains 301 auxiliary agents.
B. it prepares antiwear assistant: by weight, taking 40 parts of chitin, 14 parts of hexadecyl trimethoxy silane and water 25
Part, it is added in reaction kettle, then heats to 117 DEG C, then plus salt acid for adjusting pH value is to 4.0, continues to maintain the temperature at 117 DEG C
Then reaction 45 minutes is cooled to 45 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusts pH value to 8.6, is then transferred to high speed dispersion
In homogenizer, 2 parts of 6,6 '-two mycolate of trehalose-is added, setting high speed dispersion homogenizer revolving speed is 5500 turns/
Minute, it stirs 6 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, be subsequently placed in wear-resisting triamine glue carry out it is primary
Dipping, control dip time is 44s, impregnation increment is 55g/ ㎡, then in 105 DEG C of dry 90s, obtains single-steeping paper；
D. double-steeping: taking single-steeping paper, be placed in antiwear assistant and carry out double-steeping, control dip time be 35s,
Dipping temperature is 55 DEG C, impregnation increment is 45g/ ㎡, then in 125 DEG C of dry 125s, obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control spray
Painting amount obtains spraying paper then in 115 DEG C of dry 100s for 70g/ ㎡；
Wherein, wear-resisting triamine glue and antiwear assistant 20:1 by weight are mixed.
The mixed method of wear-resisting triamine glue and antiwear assistant are as follows: take antiwear assistant, be placed in high speed dispersion homogenizer, carry out
Stirring, setting speed of agitator are 6000 revs/min, are then slowly added into wear-resisting triamine glue, continue stirring 10 minutes, then shift
Into high pressure homogenizer, in the case where pressure is 24MPa homogeneous 3 times.
The ratio between upper and lower surfaces glue-spread of double-steeping paper is 1.2:1.
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant immersion glue
Film paper.
Embodiment 6
Difference with embodiment 5 is, when preparing 301 auxiliary agent, is not passed through carbon dioxide gas, remaining step is identical.
Embodiment 7
Difference with embodiment 5 is, when preparing 301 auxiliary agent, omits and sweet and pure step is added, remaining step is identical.
Embodiment 8
Difference with embodiment 5 is, is replaced with glucose sweet and pure in step a, remaining step is identical.
Embodiment 9
Difference with embodiment 5 is, replaces 301 auxiliary agents with diethylene glycol (DEG) in step a, remaining step is identical.
Embodiment 10
Difference with embodiment 5 is, 6,6 '-two mycolate of trehalose-is added without in step b, remaining step is identical.
Embodiment 11
Difference with embodiment 5 is, omits step d, remaining step is identical.
Embodiment 12
Difference with embodiment 5 is that the wear-resisting triamine glue and antiwear assistant in step e are mixed for 12:1 by weight
It closes, remaining step is identical.
Embodiment 13
Difference with embodiment 5 is that the wear-resisting triamine glue and antiwear assistant in step e are mixed for 28:1 by weight
It closes, remaining step is identical.
Embodiment 14
Difference with embodiment 5 is, wear-resisting triamine glue and antiwear assistant in step e, using 5300 revs/min of height
After fast homogeneous dispersion machine stirring, homogeneous is carried out without using high pressure homogenizer, remaining step is identical.
The comparison of 15 implementation result of embodiment
1. prepared by laboratory sample
With a collection of plain color paper or printed decoration paper, laboratory sample is made in the preparation method that embodiment 1-14 is respectively adopted for selection
1-14。
2. evaluation method
It is right referring to the Testing index and detection method in standard GB/T/T 28995-2012 artificial board decorative dedicated paper
Laboratory sample 1-14 is measured, more longitudinal wet tensile (strength), to evaluate the toughness of bond paper；Compare volatile content, pre-
Curing degree, to evaluate the physical property of bond paper, what wherein volatile content embodied is moisture and volatilizable object in bond paper
Content, the bond paper flexibility of volatile content appropriateness is good, glossiness is high, adhesion, not buckling deformation, what procuring degree embodied
It is the mobility of glue in bond paper, the moderate bond paper durability of procuring degree is strong, stability is good, glossiness is high, is not easy to send out
It is crisp, be not easily cracked；Compare burst size of methanal, to evaluate the environmental-protecting performance of bond paper；By the bond paper of preparation in qualified plate
Upper veneer, more wear-resisting revolution, to evaluate the wear-resisting property of bond paper；Laboratory sample 1-5,10,14 are chosen, at the center of paper
It respectively takes 4 points respectively with surrounding, totally 20 points, measures thickness, calculate average deviation, flatness is obtained, to evaluate the thickness of bond paper
Spend consistency.Detailed results are shown in Table 1.
3. evaluation result
1 bond paper quality evaluation result of table
4. experimental result
As it can be seen from table 1 laboratory sample 1-5 all indicators are better than laboratory sample 6-14.
Laboratory sample 6 is not passed through carbon dioxide gas when preparing 301 auxiliary agent, increases the triamine xanthan molecule degree of cross linking,
Brittleness increases, and bond paper wearability and tensile strength is caused to reduce, and volatile content, procuring degree, burst size of methanal increase.
Laboratory sample 7 when preparing 301 auxiliary agent, be added without it is sweet and pure, can be with triamine xanthan molecule so that auxiliary molecules chain shortens
The binding site of middle active group and free formaldehyde tails off, formed between triamine xanthan molecule it is highly cross-linked, so as to cause tensile strength
It is reduced with wearability, volatile content, procuring degree, burst size of methanal increase.
Laboratory sample 8 is replaced sweet and pure when preparing 301 auxiliary agent with glucose, and making to obtain can be with triamine glue in auxiliary molecules
The site that active group and free formaldehyde combine in molecule is distributed concentrations, generates competitive binding, Percentage bound is caused to reduce,
Triamine adhesiveness is excessively high, brittleness increases, and reduces bond paper wearability and tensile strength, volatile content, procuring degree, formaldehyde
Burst size increases.
Laboratory sample 9 replaces 301 auxiliary agents with diethylene glycol (DEG) in the preparation, so that active group and free formaldehyde in triamine glue
It is not fully tied, is formed highly cross-linked between triamine xanthan molecule, reduced so as to cause tensile strength and wearability, volatile content
Increase with procuring degree, burst size of methanal dramatically increases.
Laboratory sample 10 is added without 6,6 '-two mycolate of trehalose-, makes antiwear assistant not when preparing antiwear assistant
Homogeneous latex emulsion can be formed, rough surface, out-of-flatness are caused, tensile strength and wear-resisting property are decreased obviously, procuring degree and formaldehyde
Burst size increases.
Double-steeping step is omitted in laboratory sample 11 in the preparation, and paper is made to lack layer protecting film, causes anti-tensile strong
Degree, wear-resisting property, volatile content are decreased obviously, and procuring degree and burst size of methanal increase.
The proportion of the triamine glue wear-resisting in the preparation of laboratory sample 12 and antiwear assistant is relatively low, keeps protective layer fitting insecure,
Tensile strength, wear-resisting property, volatile content decline, procuring degree increase；The triamine glue wear-resisting in the preparation of laboratory sample 13 and
The proportion of antiwear assistant is higher, and tensile strength, wear resistance decrease, procuring degree are decreased obviously, and burst size of methanal increases.
Laboratory sample 14 in the preparation, using the high speed dispersion homogenizer compared with the slow-speed of revolution to wear-resisting triamine glue and antiwear assistant
The mixture of formation is stirred, and high pressure homogenizer homogenizing step is omitted, cause protect membrane granule not enough disperse and carefully
Greasy, paper formation degree is poor, tensile strength and wear resistance decrease, and burst size of methanal increases.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (8)
1. a kind of preparation method of wear-resistant impregnated bond paper, which comprises the following steps:
A. it prepares wear-resisting triamine glue: by weight, taking 2075-2395 parts and water 500-800 parts of formaldehyde to be added in reaction kettle,
Adding sodium hydroxide aqueous solution adjusts pH value to 8.8-9.1, is then added melamine 1850-1870 parts, is then warming up to 93-95
DEG C, repeated hydrogenation aqueous solution of sodium oxide adjusting pH value to 9.3-9.5 continues after maintaining the temperature at 93-95 DEG C of reaction 22-40 minutes,
Start to measure water-soluble ratio, when reaction proceeds to 100-150 minutes, measure it is water-soluble than be 1.9-2.2 when, it is water-soluble with sodium hydroxide
Liquid adjusts pH value to 9.3-9.5, then cools down, and then when temperature is reduced to 72-82 DEG C, 150-250 parts of 301 auxiliary agent is added,
Continue to maintain the temperature at 72-82 DEG C, react 40-50 minute, then measure it is water-soluble than being 1.7-1.9 when, addition sodium hydroxide water
Solution adjusts pH value to 8.8-9.1, is then cooled to 35-45 DEG C, can plastic emitting, obtain wear-resisting triamine glue；301 auxiliary agent, packet
Include the raw material of following weight part ratio: 31-40 parts of water, 24-30 parts sweet and pure, 11-15 parts of ammonium hydroxide and 2-6 parts of diethylene glycol (DEG)；
B. it prepares antiwear assistant: by weight, taking 30-50 parts of chitin, 10-18 parts of hexadecyl trimethoxy silane and water
It 20-30 parts, is added in reaction kettle, then heats to 113-121 DEG C, then plus salt acid for adjusting pH value is to 3.8-4.2, after continuation of insurance
Hold temperature 113-121 DEG C reaction 40-50 minutes, be then cooled to 40-50 DEG C, repeated hydrogenation aqueous solution of sodium oxide adjust pH value to
8.4-8.8 is then transferred in high speed dispersion homogenizer, adds 1-3 parts of 6,6 '-two mycolate of trehalose-, setting high speed
Homogeneous dispersion machine speed of agitator is 5000-6000 revs/min, stirs 5-7 minutes, obtains antiwear assistant；
C. single-steeping: taking body paper, is handled with wear-resisting triamine glue pre-humidification, is subsequently placed in wear-resisting triamine glue and is once soaked
Stain, control dip time is 38-50s, impregnation increment is 45-65g/ ㎡, then in 100-110 DEG C of dry 80-100s, obtains and once soaks
Stain paper；
D. double-steeping: single-steeping paper is taken, is placed in antiwear assistant and carries out double-steeping, then in 120-130 DEG C of drying
115-135s obtains double-steeping paper；
E. it sprays: taking wear-resisting triamine glue and antiwear assistant, be uniformly mixed, be then sprayed on double-steeping paper, control quantity for spray
Spraying paper is obtained then in 105-125 DEG C of dry 90-110s for 60-80g/ ㎡；
F. it shears: after spraying paper is cooled to room temperature, by production requirement, being cut into specific length to get wear-resistant impregnated bond paper.
2. a kind of preparation method of wear-resistant impregnated bond paper according to claim 1, which is characterized in that described in step a
301 auxiliary agents the preparation method comprises the following steps: by weight, water intaking is added in reaction kettle, and ammonium hydroxide is then added, stir 5-15 minutes,
Add diethylene glycol (DEG), then in 10-15 minutes, after being warming up to 101-105 DEG C, react 16-24 minutes, be subsequently added into it is sweet and pure,
Stirring 25-35 minutes then proceedes to reaction 30-40 minutes, is finally cooled to room temperature, obtains 301 auxiliary agents.
3. a kind of preparation method of wear-resistant impregnated bond paper according to claim 1, which is characterized in that be added in step a
After melamine, it is passed through carbon dioxide gas.
4. a kind of preparation method of wear-resistant impregnated bond paper according to claim 1, which is characterized in that described in step d
The dip time of double-steeping is 30-40s, dipping temperature is 50-60 DEG C, impregnation increment is 40-50g/ ㎡.
5. a kind of preparation method of wear-resistant impregnated bond paper according to claim 1, which is characterized in that described in step e
Wear-resisting triamine glue and antiwear assistant 13-27:1 by weight are mixed.
6. a kind of preparation method of wear-resistant impregnated bond paper according to claim 1, which is characterized in that described in step e
The mixed method of wear-resisting triamine glue and antiwear assistant are as follows: antiwear assistant is taken, is placed in high speed dispersion homogenizer, is stirred, if
Setting speed of agitator is 5500-6500 revs/min, is then slowly added into wear-resisting triamine glue, continues stirring 8-12 minutes, then shifts
Into high pressure homogenizer, in the case where pressure is 20-28MPa homogeneous 2-4 times.
7. a kind of preparation method of wear-resistant impregnated bond paper according to claim 1, which is characterized in that described in step e
The ratio between upper and lower surfaces glue-spread of double-steeping paper is 1-1.3:1.
8. a kind of wear-resistant impregnated bond paper that any one of -7 preparation methods obtain according to claim 1.
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