CN102501547A - Melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process - Google Patents
Melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process Download PDFInfo
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- CN102501547A CN102501547A CN2011103548264A CN201110354826A CN102501547A CN 102501547 A CN102501547 A CN 102501547A CN 2011103548264 A CN2011103548264 A CN 2011103548264A CN 201110354826 A CN201110354826 A CN 201110354826A CN 102501547 A CN102501547 A CN 102501547A
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Abstract
The invention relates to a melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process. The melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process is characterized by comprising the following steps: synthesizing melamine formaldehyde resin; preparing melamine formaldehyde resin thin wood dipping adhesive; manufacturing dipping thin wood; processing patterns; and manufacturing patterned products, wherein in the step of pattern processing, the dipping wood is subjected to pattern processing by using a laser cutting machine according to the design requirement, so that the dipping wood is manufactured to be provided with laser cutting patterns. The melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process has the advantages that the cost is low and the efficiency is high; the product does not have brittleness and has high toughness and laser cutting patterns; the patterns are three-dimensional; and the solid wood has excellent sense of reality and the like.
Description
Technical field
The invention belongs to the building and ornament materials manufacture craft, is a kind of melamine resin dipping veneer cut lamination parquets goods technology.
Background technology
Existing melamine resin dipped article is main with dipping decorative paper mainly; Also have few part to adopt the goods of dipping decorative paper technology impreg skin, veneer, because the main distinction of veneer and facing paper is the inhomogeneities of its existence, the tensile strength perpendicular to grain of veneer is low; Fragile when dipping and veneer operation; The surface is prone to produce be full of cracks behind the veneer, and when particularly the veneer temperature was high, the defective that is produced was obvious more.Therefore, existing technology with the melamine resin impregnated paper can not satisfy impreg skin, veneer Products Quality and performance requirement; Its goods exist big, the poor toughness of fragility, do not have radium-shine pattern, and parquets lacks third dimension, shortcomings such as solid wood sense of reality difference.
Summary of the invention
The objective of the invention is, a kind of industrialization manufacturing that is suitable for is provided, production cost is low, efficient is high; Its goods do not have fragility, good toughness; Radium-shine pattern is arranged, and parquets has third dimension, the melamine resin dipping veneer cut lamination parquets goods technology that the solid wood sense of reality is good.
The objective of the invention is to realize: a kind of melamine resin dipping veneer cut lamination parquets goods technology by following technical scheme; It is characterized in that it comprises, and melamine resin is synthetic, the preparation of melamine resin veneer dipping adhesive, the manufacturing of dipping veneer, figure processing and parquets goods manufacturing step:
1) melamine resin is synthetic: in agitated reactor, be that 2.2:1mol/mol adds 37% formalin by the rate of charge of formaldehyde and melamine, the NaOH solution of use 30% accent reacting liquid pH value is 9.0～9.2 under stirring condition; By mass parts, 100 parts of melamines and 10～12 parts of modifier 1 are joined in the agitated reactor, be warming up to 40 ℃; The urea that adds 30 parts is warming up to 88-92 ℃, surveys the water dilution factor behind the insulation 20min; When the water dilution factor reaches 600%～520%, be cooled to 83-87 ℃, add 4～6 parts of modifier 2; Reacting liquid pH value 8.0 in the agitated reactor; Survey the water dilution factor behind the insulation 60min, when the water dilution factor reaches 240%～220%, the N with 30%
aIt is 8.3～8.7 that OH solution is transferred reacting liquid pH value, is cooled to 35 ℃ of blowings;
2) preparation of melamine resin veneer maceration extract adhesive: in the synthetic melamine resin of step 1); By mass parts; 100 parts of melamine resins; Add 0.4 part of curing agent, 0.1 part of bleeding agent, 0.1 part of releasing agent, preparation melamine resin veneer dipping adhesive stirs;
3) dipping veneer manufacturing: will have the thick versicolor veneer of 0.15～0.25mm of nonwoven to immerse step 2 as the second layer in advance again) in the melamine resin veneer dipping adhesive of preparation as ground floor and the thick veneer of 0.2～0.4mm that nonwoven is arranged in advance again; The pickup of veneer is 135%; It is 10.0%～13.0% that veneer behind the dipping is dried to volatile content at 120～130 ℃, precuring degree 30%～40%;
4) figure processing: step 3) ground floor dipping veneer is adopted radium-shine laser cutting machine, carry out figure by designing requirement and be processed into ground floor dipping veneer with radium-shine pattern;
5) the parquets goods are made:
(1) step 4) is had the ground floor dipping veneer of radium-shine pattern,, stick on the second layer dipping veneer and process the parquets goods by designing requirement;
(2) step 4) had the ground floor dipping veneer of radium-shine pattern; By designing requirement; Stick on the second layer dipping veneer, first and second layer dipping veneer and the three ply board that will adhere to carry out hot-press gluing again, and its pressure is 1.2～1.3MPa; 125～130 ℃ of hot pressing temperatures, hot pressing time 1min processes the parquets goods.
Described modifier 1 mainly is made up of for 70～75 parts 20～30 parts of ethylene glycol, butanols by mass parts.
Described modifier 2 mainly is made up of for 10～20 parts 80～90 parts of caprolactams, para toluene sulfonamide by mass parts.Described three ply board is glued board, core-board, solid wood plate, veneer.
Melamine resin dipping veneer cut lamination parquets goods technology of the present invention is suitable for the industrialization manufacturing, and with non-woven fabric compounded, it is low to have overcome veneer self intensity in advance for veneer; Breadth is little, is unfavorable for the industrial continuous production disadvantage, veneer through with non-woven fabric compounded become the compound veneer of large format after; Can utilize existing impregnated paper production line to accomplish the production of dipping veneer, ground floor dipping veneer adopts radium-shine laser cutting machine to carry out figure processing, has that production cost is low, efficient is high; Its goods do not have fragility, good toughness; Advantages such as radium-shine pattern is arranged, and parquets has third dimension, and the solid wood sense of reality is good.
The specific embodiment
Melamine resin dipping veneer cut lamination parquets goods technology of the present invention comprises preparation, the manufacturing of dipping veneer, figure processing and the parquets goods manufacturing step that melamine resin is synthetic, the melamine resin veneer floods adhesive:
1) melamine resin is synthetic: in agitated reactor, be that 2.2:1mol/mol adds 37% formalin by the rate of charge of formaldehyde and melamine, the NaOH solution of use 30% accent reacting liquid pH value is 9.0～9.2 under stirring condition; By mass parts, 100 parts of melamines and 10～12 parts of modifier 1 are joined in the agitated reactor, be warming up to 40 ℃; The urea that adds 30 parts is warming up to 88-92 ℃, surveys the water dilution factor behind the insulation 20min; When the water dilution factor reaches 600%～520%, be cooled to 83-87 ℃, add 4～6 parts of modifier 2; Reacting liquid pH value 8.0 in the agitated reactor; Survey the water dilution factor behind the insulation 60min, when the water dilution factor reaches 240%～220%, the N with 30%
aIt is 8.3～8.7 that OH solution is transferred reacting liquid pH value, is cooled to 35 ℃ of blowings;
2) preparation of melamine resin veneer maceration extract adhesive: in the synthetic melamine resin of step 1); By mass parts; 100 parts of melamine resins; Add 0.4 part of curing agent, 0.1 part of bleeding agent, 0.1 part of releasing agent, preparation melamine resin veneer dipping adhesive stirs;
3) dipping veneer manufacturing: will have the thick versicolor veneer of 0.15～0.25mm of nonwoven to immerse step 2 as the second layer in advance again) in the melamine resin veneer dipping adhesive of preparation as ground floor and the thick veneer of 0.2～0.4mm that nonwoven is arranged in advance again; The pickup of veneer is 135%; It is 10.0%～13.0% that veneer behind the dipping is dried to volatile content at 120～130 ℃, precuring degree 30%～40%;
4) figure processing: step 3) ground floor dipping veneer is adopted radium-shine laser cutting machine, carry out figure by designing requirement and be processed into ground floor dipping veneer with radium-shine pattern;
5) the parquets goods are made:
(1) step 4) is had the ground floor dipping veneer of radium-shine pattern,, stick on the second layer dipping veneer and process the parquets goods by designing requirement;
(2) step 4) had the ground floor dipping veneer of radium-shine pattern; By designing requirement; Stick on the second layer dipping veneer, first and second layer dipping veneer and the 3rd layer of glued board, core-board or the solid wood that will adhere to carry out hot-press gluing again, and its pressure is 1.2～1.3MPa; 125～130 ℃ of hot pressing temperatures, hot pressing time 1min processes the parquets goods.
Modifier 1 mainly is made up of for 70～75 parts 20～30 parts of ethylene glycol, butanols by mass parts.
Modifier 2 mainly is made up of for 10～20 parts 80～90 parts of caprolactams, para toluene sulfonamide by mass parts.
Modifier 1 and 2 makes the modified melamine-formaldehyde resin that synthesizes have certain toughness, and along with the increase of modifier 2 consumptions, performances such as the toughness of melamine resin, muddy time progressively improve.
Curing agent used in the present invention adopts the commercially available prod, is a kind of composite curing agent, and its main component is p-methyl benzenesulfonic acid, citric acid and acid-base balance agent.Cause the difference of density because of there are the conduit size difference that is distributed among late wood's morning in dipping veneer, particularly ring porous wood, the veneer superficial density is inhomogeneous, and there are problems such as space the part.The use curing agent can guarantee when low temperature, low pressure veneer overlay, to show smooth, and the resin on dipping veneer surface has stronger flowability at the hot pressing initial stage, can solidify rapidly in the hot pressing middle and later periods.Bleeding agent adopts the commercially available prod, and the main component of bleeding agent is JFC, polyoxyethylene ether compound.Because of late wood's difference morning that veneer exists, cause veneer different in whole breadth adhesive permeance property.Simultaneously because of veneer difficult discharge of himself contained gas in the dipping process; Use bleeding agent can make veneer reach dipping as far as possible evenly at whole breadth; And gas is discharged smoothly, and releasing agent adopts the commercially available prod, and main component is that silicone compounds gathers, ethylene glycol.Can make the demoulding smoothly under low temperature, low pressure condition of melamine-impregnated veneer, few more good more in the addition that ensures the prerequisite bottom knockout agent of the demoulding smoothly, the releasing agent addition increases the glossiness that can influence the plate face.
The melamine resin veneer dipping adhesive of the present invention's preparation is a colourless transparent liquid, its solids content (%): 50%～53%, viscosity (25 ℃, mPaS): 18～25, the pH value: 8.3～8.7, storage period (20 ℃, d): >=7.
The parquets goods adopt the melamine resin dipping because of the surface, and product surface need not to cover with paint, lacquer, colour wash, etc. processing again, and its surface has better heat-resisting, performance such as wear-resisting.As be further to improve its surface property, when making the parquets goods, can increase the abrasion-proof paper that contains alundum (Al on the ground floor surface and improve its anti-wear performance; Or when dipping ground floor and the second layer flood veneer, in melamine resin, adding functional materials such as antiseptic, anti-wear agent, it is antibiotic, wear-resisting etc. functional that goods are had.
specific embodiment 1～4.
Embodiment 1:1) melamine resin is synthetic, in agitated reactor, adds 37% formalin 141.6g, under stirring condition with 30% N
aIt is 9.0～9.2 that OH solution is transferred reacting liquid pH value, adds 10g modifier 1; Be warming up to 40 ℃, add melamine 100g, urea 30g; Be warming up to 88～92 ℃, survey the water dilution factor behind the insulation 20min, when the water dilution factor reaches 600%～520%; Be cooled to 83～87 ℃, add 4g modifier 2, the reacting liquid pH value in the agitated reactor should be 8.0; Be lower than 8.0, the NaOH solution with 30% is transferred reacting liquid pH value 8.0; Survey the water dilution factor behind the insulation 60min, when the water dilution factor reaches 240%～220%, use 30% N immediately
aIt is 8.3 that OH solution is transferred reacting liquid pH value, is cooled to 35 ℃ of blowings; Can get goods 275～285g;
2) preparation of melamine resin veneer maceration extract adhesive: in synthetic 100g melamine resin; Add the curing agent of 0.4g, the bleeding agent of 0.1g, the releasing agent of 0.1g, preparation melamine resin veneer dipping adhesive stirs;
3) dipping veneer manufacturing: will have the thick versicolor veneer of 0.15mm of nonwoven to immerse step 2 as the second layer in advance again) in the melamine resin veneer dipping adhesive of preparation as ground floor and the thick veneer of the 0.2mm that nonwoven is arranged in advance again; The pickup of veneer is 135%; It is 10.0%～13.0% that veneer behind the dipping is dried to volatile content at 120～130 ℃, precuring degree 30%～40%;
4) figure processing: step 3) ground floor dipping veneer is adopted radium-shine laser cutting machine, carry out figure by designing requirement and be processed into ground floor dipping veneer with radium-shine pattern;
5) the parquets goods are made: the ground floor dipping veneer with step 4) has radium-shine pattern by designing requirement, sticks on the second layer dipping veneer and processes the parquets goods.
Embodiment 2:1) melamine resin is synthetic, in agitated reactor, adds 37% formalin 141.6g, under stirring condition with 30% N
aIt is 9.0～9.2 that OH solution is transferred reacting liquid pH value, adds 11g modifier 1; Be warming up to 40 ℃, add melamine 100g, urea 30g; Be warming up to 88～92 ℃, survey the water dilution factor behind the insulation 20min, when the water dilution factor reaches 600%～520%; Be cooled to 83～87 ℃, add 5g modifier 2, the reacting liquid pH value in the agitated reactor should be 8.0; Be lower than 8.0, the NaOH solution with 30% is transferred reacting liquid pH value 8.0; Survey the water dilution factor behind the insulation 60min, when the water dilution factor reaches 240%～220%, use 30% N immediately
aIt is 8.3 that OH solution is transferred reacting liquid pH value, is cooled to 35 ℃ of blowings; Can get goods 276～286g;
2) preparation of melamine resin veneer maceration extract adhesive: in synthetic 100g melamine resin; Add the curing agent of 0.4g, the bleeding agent of 0.1g, the releasing agent of 0.1g, preparation melamine resin veneer dipping adhesive stirs;
3) dipping veneer manufacturing: will have the thick versicolor veneer of 0.2mm of nonwoven to immerse step 2 as the second layer in advance again) in the melamine resin veneer dipping adhesive of preparation as ground floor and the thick veneer of the 0.3mm that nonwoven is arranged in advance again; The pickup of veneer is 135%; It is 10.0%～13.0% that veneer behind the dipping is dried to volatile content at 120～130 ℃, precuring degree 30%～40%;
4) figure processing: step 3) ground floor dipping veneer is adopted radium-shine laser cutting machine, carry out figure by designing requirement and be processed into ground floor dipping veneer with radium-shine pattern;
5) the parquets goods are made: the ground floor dipping veneer with step 4) has radium-shine pattern by designing requirement, sticks on the second layer dipping veneer and processes the parquets goods.
Embodiment 3:1) melamine resin is synthetic, in agitated reactor, adds 37% formalin 141.6g, under stirring condition with 30% N
aIt is 9.0～9.2 that OH solution is transferred reacting liquid pH value, adds 12g modifier 1; Be warming up to 40 ℃, add melamine 100g, urea 30g; Be warming up to 88～92 ℃, survey the water dilution factor behind the insulation 20min, when the water dilution factor reaches 600%～520%; Be cooled to 83～87 ℃, add 6g modifier 2, the reacting liquid pH value in the agitated reactor should be 8.0; Be lower than 8.0, the NaOH solution with 30% is transferred reacting liquid pH value 8.0; Survey the water dilution factor behind the insulation 60min, when the water dilution factor reaches 240%～220%, use 30% N immediately
aIt is 8.3 that OH solution is transferred reacting liquid pH value, is cooled to 35 ℃ of blowings; Can get goods 276～287g;
2) preparation of melamine resin veneer maceration extract adhesive: in synthetic 100g melamine resin; Add the curing agent of 0.4g, the bleeding agent of 0.1g, the releasing agent of 0.1g, preparation melamine resin veneer dipping adhesive stirs;
3) dipping veneer manufacturing: will have the thick versicolor veneer of 0.25mm of nonwoven to immerse step 2 as the second layer in advance again) in the melamine resin veneer dipping adhesive of preparation as ground floor and the thick veneer of the 0.4mm that nonwoven is arranged in advance again; The pickup of veneer is 135%; It is 10.0%～13.0% that veneer behind the dipping is dried to volatile content at 120～130 ℃, precuring degree 30%～40%;
4) figure processing: step 3) ground floor dipping veneer is adopted radium-shine laser cutting machine, carry out figure by designing requirement and be processed into ground floor dipping veneer with radium-shine pattern;
5) the parquets goods are made: the ground floor dipping veneer with step 4) has radium-shine pattern by designing requirement, sticks on the second layer dipping veneer and processes the parquets goods.
Embodiment 4: the step 1) of embodiment 1-3,2), 3) with 4) identical with embodiment 1; Just the parquets goods make 5) be the ground floor dipping veneer that step 4) is had radium-shine pattern, by designing requirement, stick on the second layer dipping veneer; First and second layer dipping veneer and the three ply board that will adhere to carry out hot-press gluing again; Its pressure is 1.2～1.3MPa, 125～130 ℃ of hot pressing temperatures, and hot pressing time 1min processes the parquets goods.Described three ply board is glued board, core-board, solid wood plate, veneer or other wood-based plate, and its thickness is 0.5～25mm.
On the basis of embodiment 1～4, can realize the making of parquets goods more than three layers with melamine resin dipping veneer cut lamination parquets goods technology of the present invention.
The raw material of melamine resin dipping veneer cut lamination parquets goods technology of the present invention also gets, and is the commercially available prod.
The specific embodiment of melamine resin dipping veneer cut lamination parquets goods technology of the present invention is also non exhaustive; The scope that all belongs to rights protection of the present invention is duplicated and improved to the enlightenment that those skilled in the art are obtained according to the present invention without creative work any.
Veneer of the present invention is to utilize the natural timber of the graceful changeable wood grain of rare tree etc. or the wood materials of artificial (laminated veneer lumber, integrated timber) texture, is the laminar timber that adopts slicing or half-round cut processing method to produce.Veneer is mainly as ornament materials, and sticker improves decorative effect on base material, satisfy the demand of people to precious timber.
It is said that the versicolor veneer of nonwoven is arranged in advance again is to form large format flexibility veneer with the veneer hot-press gluing again after veneer adopts nonwoven dipping or spraying Lauxite with nonwoven.
Melamine resin dipping veneer cut lamination parquets goods technology of the present invention proves through 6 months actual production; Have that production cost is low, efficient is high, its goods do not have fragility, good toughness, and radium-shine pattern is arranged; The parquets third dimension, effect such as the solid wood sense of reality is good.
Claims (4)
1. a melamine resin floods veneer cut lamination parquets goods technology; It is characterized in that it comprises, and melamine resin is synthetic, the preparation of melamine resin veneer dipping adhesive, the manufacturing of dipping veneer, figure processing and parquets goods manufacturing step:
1) melamine resin is synthetic: in agitated reactor, be that 2.2:1mol/mol adds 37% formalin by the rate of charge of formaldehyde and melamine, the NaOH solution of use 30% accent reacting liquid pH value is 9.0～9.2 under stirring condition; By mass parts, 100 parts of melamines and 10～12 parts of modifier 1 are joined in the agitated reactor, be warming up to 40 ℃; The urea that adds 30 parts is warming up to 88-92 ℃, surveys the water dilution factor behind the insulation 20min; When the water dilution factor reaches 600%～520%, be cooled to 83-87 ℃, add 4～6 parts of modifier 2; Reacting liquid pH value 8.0 in the agitated reactor; Survey the water dilution factor behind the insulation 60min, when the water dilution factor reaches 240%～220%, the N with 30%
aIt is 8.3～8.7 that OH solution is transferred reacting liquid pH value, is cooled to 35 ℃ of blowings;
2) preparation of melamine resin veneer maceration extract adhesive: in the synthetic melamine resin of step 1); By mass parts; 100 parts of melamine resins; Add 0.4 part of curing agent, 0.1 part of bleeding agent, 0.1 part of releasing agent, preparation melamine resin veneer dipping adhesive stirs;
3) dipping veneer manufacturing: will have the thick versicolor veneer of 0.15～0.25mm of nonwoven to immerse step 2 as the second layer in advance again) in the melamine resin veneer dipping adhesive of preparation as ground floor and the thick veneer of 0.2～0.4mm that nonwoven is arranged in advance again; The pickup of veneer is 135%; It is 10.0%～13.0% that veneer behind the dipping is dried to volatile content at 120～130 ℃, precuring degree 30%～40%;
4) figure processing: step 3) ground floor dipping veneer is adopted radium-shine laser cutting machine, carry out figure by designing requirement and be processed into ground floor dipping veneer with radium-shine pattern;
5) the parquets goods are made:
(1) step 4) is had the ground floor dipping veneer of radium-shine pattern,, stick on the second layer dipping veneer and process the parquets goods by designing requirement;
(2) step 4) had the ground floor dipping veneer of radium-shine pattern; By designing requirement; Stick on the second layer dipping veneer, first and second layer dipping veneer and the three ply board that will adhere to carry out hot-press gluing again, and its pressure is 1.2～1.3MPa; 125～130 ℃ of hot pressing temperatures, hot pressing time 1min processes the parquets goods.
2. melamine resin dipping veneer cut lamination parquets goods technology according to claim 1, it is characterized in that: described modifier 1 mainly is made up of for 70～75 parts 20～30 parts of ethylene glycol, butanols by mass parts.
3. melamine resin dipping veneer cut lamination parquets goods technology according to claim 1, it is characterized in that: described modifier 2 mainly is made up of for 10～20 parts 80～90 parts of caprolactams, para toluene sulfonamide by mass parts.
4. melamine resin dipping veneer cut lamination parquets goods technology according to claim 1, it is characterized in that: described three ply board is glued board, core-board, solid wood plate, veneer.
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| CN201110354826.4A CN102501547B (en) | 2011-11-10 | 2011-11-10 | Melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process |
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| CN201110354826.4A CN102501547B (en) | 2011-11-10 | 2011-11-10 | Melamine formaldehyde resin dipping thin wood laser cutting laminate patterned product process |
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