CN107956181A - Melamine-impregnated bond paper and its production technology - Google Patents
Melamine-impregnated bond paper and its production technology Download PDFInfo
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- CN107956181A CN107956181A CN201711262446.1A CN201711262446A CN107956181A CN 107956181 A CN107956181 A CN 107956181A CN 201711262446 A CN201711262446 A CN 201711262446A CN 107956181 A CN107956181 A CN 107956181A
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- bond paper
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Classifications
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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
- D21H17/53—Polyethers; Polyesters
-
- 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
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- 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
-
- 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
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
-
- 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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of melamine-impregnated bond paper and its production technology, melamine-impregnated bond paper is obtained by pre-impregnated paper by dipping step, the dipping step uses melamine-impregnated glue, the melamine-impregnated glue occurs polymerisation by the condensation product comprising formaldehyde and urea, melamine, makrolon and cellulose and is made, and the condensation product is that formaldehyde and urea occur condensation reaction and is made in aqueous in alkaline conditions；In terms of parts by weight, 15~30 parts of 20~30 parts of formaldehyde, 10~20 parts of urea, 6~15 parts of water, 40~65 parts of melamine, 5~6 parts of makrolon and cellulose；The production technology of melamine-impregnated bond paper includes glue step, impregnation step and impregnation steps.The tensile strength of melamine-impregnated bond paper is high, hardness is high, is easily bent and is fitted on cladding section bar, and is hardly damaged in BENDING PROCESS, substantially increases production efficiency and the quality of product, and reduce production cost.
Description
Technical field
The present invention relates to wood-base fibre and particle panel material technical field, more specifically, it is related to a kind of melamine-impregnated bond paper
And its production technology.
Background technology
Melamine impregnated paper full name is melamine-impregnated bond paper (Melamine-Urea-Formaldehyde
Impregnated Bond Paper), " melamine " paper is also referred to as, is through impregnating amino resins by plain-color base paper or printed decoration paper
(melamine resin and Lauxite) and drying form to a certain extent, can be glued with artificial board substrate through hot pressing.Three
Poly cyanamid dipping paper is widely used in the various fitting-up materials of finishing, furniture, cabinet, wardrobe, bottom plate, reinforced composite floorboard
In material.Melamine impregnated paper is usually to be pasted onto particieboard either above medium density fibre board (MDF) or high density fiberboard,
Pasting melamine impregnated paper needs to utilize more than 25Kg/cm2Pressure, up to 180 DEG C of temperature, the trimerization so posted
Melamine above cyanamide impregnated paper can just form fine and close hard waterproof membrane, can achieve the purpose that to exempt from paint, big generous
Plate fitment into production.
But the tensile strength of melamine impregnated paper and hardness are difficult to reconcile, under normal circumstances, melamine impregnated paper
Tensile strength it is high, hardness is also high, and the high melamine impregnated paper of intensity is difficult to be bent to be fitted on cladding section bar, and trimerization
Cyanamide impregnate paper in BENDING PROCESS easily cracking, embrittlement, tear etc. damage and become waste product, greatly reduce production efficiency with
The quality of product, and improve production cost.
The content of the invention
The purpose of the present invention one is to provide a kind of melamine-impregnated bond paper, its tensile strength is high, hardness is high, easily
Bending is fitted on cladding section bar, and is hardly damaged in BENDING PROCESS, substantially increases production efficiency and the quality of product, and
Reduce production cost.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of melamine-impregnated bond paper, is obtained, the dipping step is adopted by pre-impregnated paper by dipping step
With melamine-impregnated glue, the melamine-impregnated glue is by the condensation product comprising formaldehyde and urea, melamine, poly- carbonic acid
Ester and cellulose occur polymerisation and are made, and the condensation product is that formaldehyde and urea occur in aqueous in alkaline conditions
Condensation reaction is made；In terms of parts by weight, 20~30 parts of formaldehyde, 10~20 parts of urea, 6~15 parts of water, melamine 40~65
15~30 parts of part, 5~6 parts of makrolon and cellulose.
Preferably, the makrolon is bisphenol A polycarbonate to the present invention, tetrabromobisphenol A type makrolon, tetrachloro
One kind in bisphenol A polycarbonate, dimethyl silicone polymer-bisphenol A polycarbonate, hexamethylene bisphenol A polycarbonate
It is or a variety of.
The purpose of the present invention two is to provide a kind of production technology of melamine-impregnated bond paper.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of production technology of melamine-impregnated bond paper, including glue step, impregnation step and impregnation steps, the glue
Step comprises the following steps that preparation：
S1：Formaldehyde and water mixing, adjust pH to 7.5~8.0, add urea, be warming up to 85~95 DEG C, 20~40 points of insulated and stirred
Clock；
S2：Adjust pH to 4.3~4.7, insulated and stirred 60~90 minutes at 85~95 DEG C；
S3：When viscosimetric is to 14~16Pas, pH to 7.3~7.7 is adjusted, is cooled to 55~65 DEG C, adds urea, insulation is stirred
Mix 30~50 minutes；
S4：Melamine, makrolon and the cellulose being added sequentially afterwards, 30~50 points of insulated and stirred at 55~65 DEG C
Clock；
S5：30~35 DEG C are cooled to, insulated and stirred 120~180 minutes, obtains melamine-impregnated resin glue.
The present invention preferably, the makrolon, tetrabromobisphenol A type makrolon, tetrachlorobisphenol A type makrolon,
One or more in dimethyl silicone polymer-bisphenol A polycarbonate, hexamethylene bisphenol A polycarbonate.
The present invention preferably, in terms of parts by weight, 30~45 parts of formaldehyde, the urea in step S1 and the urine in step S3
Total dosage of element is 10~20 parts, 6~15 parts of water, 40~65 parts of melamine, 5~6 parts of makrolon and cellulose 15~30
Part.
Preferably, the weight ratio of the amount of urea in step S1 and the amount of urea in step S3 is 1~3 to the present invention：
1。
The present invention preferably, in step S1 at 90 DEG C insulated and stirred；PH in step S2 is 4.5, temperature is 90 DEG C
Lower insulated and stirred.
The present invention preferably, urea is added when step S3 medium viscosities are 15Pas, pH 7.5, temperature is down to 60 DEG C；
Temperature is insulated and stirred at 60 DEG C in step S4.
Preferably, the impregnation step is by melamine-impregnated resin glue, curing agent, releasing agent and infiltration to the present invention
Agent carries out impregnation；Wherein on the basis of the melamine-impregnated resin glue of 100 parts by weight, the dosage of curing agent is 0.07~0.08
Parts by weight, the dosage of releasing agent is 0.02~0.03 parts by weight, and the dosage of bleeding agent is 0.02~0.03 parts by weight；
Preferably, the impregnation steps use horizontal secondary soaking drier to the present invention, and impregnated paper speed is 12~15m/s, and one
The temperature of secondary drying is 95~120 DEG C, and the temperature of redrying is 130~140 DEG C.
The structural formula of bisphenol A polycarbonate is：
The structural formula of tetrabromobisphenol A type makrolon is：
The structural formula of tetrachlorobisphenol A type makrolon is：
The structural formula of dimethyl silicone polymer-bisphenol A polycarbonate is：
The structural formula of hexamethylene bisphenol A polycarbonate is：
In conclusion the invention has the advantages that：The tensile strength of melamine-impregnated bond paper is high, hardness
It is high, be easily bent and be fitted on cladding section bar, and be hardly damaged in BENDING PROCESS, substantially increase production efficiency and product
Quality, and reduce production cost.
Brief description of the drawings
Fig. 1 is the flow chart of horizontal secondary soaking drier.
1st, uncoiling one；2nd, uncoiling two；3rd, splicing drive roll；4th, splicing driven voller；5th, idler roller one；6th, S rollers one；7th, S rollers
Two；8th, the back of the body applies pressure roller one；9th, paint roller is carried on the back；10th, the back of the body applies pressure roller two；11st, roller is breathed；12nd, idler roller two；13rd, driven idler roller；
14th, single-steeping glue groove；15th, dip roll one；16th, dip roll two；17th, Extruded roller one；18th, Extruded roller two；19th, it is once lower to smooth out
Roller；20th, it is once upper to smooth out roller；21st, a baking oven section；22nd, double-steeping glue groove；23rd, secondary upper glue spreader；24th, secondary lower painting
Rubber roller；25th, secondary upper floating roller one；26th, secondary lower floating roller one；27th, secondary upper floating roller two；28th, secondary lower floating roller two；
29th, secondary baking oven section；30th, upper regulating roller；31st, lower deflection adjustment roller；32nd, draw rollers one；33rd, draw rollers two；34th, draw rollers three；35、
Feeding roller；36th, encode；37th, shear knife；38th, conveyer belt；39th, hydraulic elevator platform.
Embodiment
The present invention is described in further detail with reference to embodiments.It should be understood that described in the embodiment of the present invention
Preparation method is only used for the explanation present invention, rather than limitation of the present invention, to this hair under the concept thereof of the present invention
The simple modifications of bright preparation method belong to the scope of protection of present invention.
The flow chart of horizontal secondary soaking drier is as shown in Figure 1.Melamine-impregnated bond paper be by pre-impregnated paper from
At uncoiling one or uncoiling at uncoiling two, after the paper splicing mechanism and idler roller one that splicing driven voller and splicing drive roll form,
Into the S roller mechanisms being made of S rollers one and S rollers two, subsequently enter pressure roller one is applied by the back of the body and carry on the back Bei Tu mechanisms that paint roller forms into
The row back of the body applies, and subsequently enters the respiration mechanism being made of breathing roller, idler roller two, driven idler roller, then paper web passes through dip roll
One and after dip roll two impregnates, the glue-squeezing mechanism formed into Extruded roller one and Extruded roller two, passes through and adjusts two Extruded roller gaps
The adjusting of spread is completed, then paper web passes through once lower floating roller, once above smoothes out roller, subsequently into a baking oven section (one
Secondary drying, a hydrofuge and once cooling), secondary upper glue spreader, secondary lower glue spreader progress second glue spreading are then passed through, then
Floating roller two and secondary lower floating roller two form secondary on by secondary upper first and second time floating roller first and second of floating roller
Smooth out mechanism and complete secondary floating, then paper web enters secondary baking oven section (redrying, secondary hydrofuge and secondary cooling), secondary
Tuningout is completed by upper regulating roller and lower deflection adjustment roller after having cooled down, then again by three groups of draw rollers one, draw rollers two and draw rollers
Into draw mechanism be pulled into feeding roller, herein encoder detection paper feed distance and chart drive speed, then paper web enter cut
Mechanism is cut, completes to shear by shear knife, the dipping paper sheared is sent to hydraulic elevator platform stacking by conveyer belt.
The preparation embodiment 1 of melamine-impregnated bond paper
Glue step：
S1：Formaldehyde 3Kg and water 1Kg mixing, adjusts pH to 7.5, adds urea 1.5Kg, is warming up to 90 DEG C, insulated and stirred 30 is divided
Clock；
S2：Adjust pH to 4.5, insulated and stirred 60 minutes at 90 DEG C；
S3：When viscosimetric is to 15Pas, pH to 7.5 is adjusted, is cooled to 60 DEG C, adds urea 0.5Kg, insulated and stirred 40 minutes；
S4：Melamine 4Kg, bisphenol A polycarbonate 0.5Kg and the cellulose 3Kg being added sequentially afterwards, keep the temperature at 60 DEG C
Stirring 40 minutes；
S5：35 DEG C are cooled to, insulated and stirred 180 minutes, obtains melamine-impregnated resin glue.
Impregnation step：By melamine-impregnated resin glue 10Kg, curing agent 0.007Kg, releasing agent 0.003Kg and bleeding agent
0.002Kg carries out impregnation.
Impregnation steps：Using horizontal secondary soaking drier, impregnated paper speed is 12m/s, and the temperature of primary drying is 110
DEG C, the temperature of redrying is 140 DEG C.
The preparation embodiment 2 of melamine-impregnated bond paper
Glue step：
S1：Formaldehyde 3.7Kg and water 1.5Kg mixing, adjusts pH to 7.7, adds urea 1Kg, is warming up to 85 DEG C, insulated and stirred 40 is divided
Clock；
S2：Adjust pH to 4.3, insulated and stirred 90 minutes at 85 DEG C；
S3：When viscosimetric is to 14Pas, pH to 7.7 is adjusted, is cooled to 55 DEG C, adds urea 0.5Kg, insulated and stirred 50 minutes；
S4：Melamine 5.17Kg, bisphenol A polycarbonate 0.4Kg and the cellulose 1.5Kg being added sequentially afterwards, at 55 DEG C
Lower insulated and stirred 50 minutes；
S5：32 DEG C are cooled to, insulated and stirred 150 minutes, obtains melamine-impregnated resin glue.
Impregnation step：By melamine-impregnated resin glue 10Kg, curing agent 0.0075Kg, releasing agent 0.0025Kg and infiltration
Agent 0.0025Kg carries out impregnation.
Impregnation steps：Using horizontal secondary soaking drier, impregnated paper speed is 13.5m/s, and the temperature of primary drying is 95
DEG C, the temperature of redrying is 135 DEG C.
The preparation embodiment 3 of melamine-impregnated bond paper
Glue step：
S1：Formaldehyde 4.5Kg and water 0.6Kg mixing, adjusts pH to 8.0, adds urea 0.5Kg, is warming up to 95 DEG C, insulated and stirred 20
Minute；
S2：Adjust pH to 4.7, insulated and stirred 75 minutes at 95 DEG C；
S3：When viscosimetric is to 16Pas, pH to 7.3 is adjusted, is cooled down 65 DEG C, adds urea 0.5Kg, insulated and stirred 30 minutes；
S4：Melamine 6.5Kg, bisphenol A polycarbonate 0.6Kg and the cellulose 2.2Kg being added sequentially afterwards, at 65 DEG C
Insulated and stirred 30 minutes；
S5：35 DEG C are cooled to, insulated and stirred 120 minutes, obtains melamine-impregnated resin glue.
Impregnation step：By melamine-impregnated resin glue 10Kg, curing agent 0.008Kg, releasing agent 0.002Kg and bleeding agent
0.003Kg carries out impregnation.
Impregnation steps：Using horizontal secondary soaking drier, impregnated paper speed is 15m/s, and the temperature of primary drying is 120
DEG C, the temperature of redrying is 130 DEG C.
The preparation embodiment 4 of melamine-impregnated bond paper
The difference for preparing embodiment 4 and preparation embodiment 1 is to replace with the poly- carbonic acid of tetrabromobisphenol A type by bisphenol A polycarbonate
Ester.
The preparation embodiment 5 of melamine-impregnated bond paper
The difference for preparing embodiment 5 and preparation embodiment 1 is to replace with the poly- carbonic acid of tetrachlorobisphenol A type by bisphenol A polycarbonate
Ester.
The preparation embodiment 6 of melamine-impregnated bond paper
It is to replace with dimethyl silicone polymer-bis- by bisphenol A polycarbonate to prepare embodiment 6 and prepare the difference of embodiment 1
Phenol A type makrolon.
The preparation embodiment 7 of melamine-impregnated bond paper
The difference for preparing embodiment 7 and preparation embodiment 1 is to replace with the poly- carbon of hexamethylene bisphenol A-type by bisphenol A polycarbonate
Acid esters.
The preparation comparative example of melamine-impregnated bond paper
The difference for preparing comparative example and preparation embodiment 1 is to be not added with bisphenol A polycarbonate.
The Application Example 1 of melamine-impregnated bond paper
By prepare embodiment 1 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Application Example 2 of melamine-impregnated bond paper
By prepare embodiment 2 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Application Example 3 of melamine-impregnated bond paper
By prepare embodiment 3 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Application Example 4 of melamine-impregnated bond paper
By prepare embodiment 4 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Application Example 5 of melamine-impregnated bond paper
By prepare embodiment 5 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Application Example 6 of melamine-impregnated bond paper
By prepare embodiment 6 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Application Example 7 of melamine-impregnated bond paper
By prepare embodiment 7 melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
The Comparison study example of melamine-impregnated bond paper
By prepare comparative example melamine-impregnated bond paper hot pressing to laminated board on, hot pressing using it is cold into it is cold go out technology, temperature
150 DEG C, unit pressure 6MPa, 30 minutes time.
Tensile property measures：Tensile bars are prepared according to GB/T7911-2013 standards, spline surfaces are smooth without any crackle
And notch, at piece lengths center and along its length away from measuring 3 points of thickness and width respectively at the 25mm of center, and count
Calculate average value, exact value 0.01mm.Using electronic universal tester test laminated board batten tensile property, 25 DEG C of test temperature,
Loading speed 5mm/min, every group of batten quantity are no less than 5, finally ask for every group of sample mean.Boiling water resistance can detect：
Test specimen is prepared according to GB/T7911-2013 standards, every group of sample is not less than 3.Combustibility measures：Method is lighted using top,
Test specimen is prepared according to GB/T2406.2-2009 standards, every group of sample is not less than 5.
1 tensile property test result of table
| Tensile strength (MPa) | Elasticity modulus (MPa) | Elongation at break (%) | |
| Application Example 1 | 99.2±1.2 | 13618±106 | 3.47±0.08 |
| Application Example 2 | 96.0±1.0 | 12395±121 | 3.16±0.10 |
| Application Example 3 | 94.3±1.5 | 12440±118 | 3.17±0.08 |
| Application Example 4 | 96.5±1.3 | 12456±131 | 3.19±0.09 |
| Application Example 5 | 96.0±1.1 | 12240±93 | 3.12±0.08 |
| Application Example 6 | 97.2±2.2 | 12539±115 | 3.19±0.09 |
| Application Example 7 | 96.2±1.4 | 12456±131 | 3.15±0.06 |
| Comparison study example | 80.0±1.0 | 11593±156 | 3.00±0.10 |
The toughening effect of 1 melamine-impregnated bond paper of Application Example is optimal.This is because urinated during copolycondensation
The introducing of plain segment and cellulose chain segment causes cross-linked structure to change, and appropriate introducing can reduce the friendship between triazine ring
Connection degree, deformable amount increase, toughness enhancing.Application Example 1 not only has optimal toughness, also there is higher band to stretch
Intensity.
Claims (10)
- A kind of 1. melamine-impregnated bond paper, it is characterised in that：Obtained, the leaching by dipping step by pre-impregnated paper Stain processing step uses melamine-impregnated glue, and the melamine-impregnated glue is by the condensation product comprising formaldehyde and urea, three Poly cyanamid, makrolon and cellulose occur polymerisation and are made, and the condensation product is formaldehyde and urea in alkaline conditions Condensation reaction occurs in aqueous to be made；In terms of parts by weight, 20~30 parts of formaldehyde, 10~20 parts of urea, 6~15 parts of water, 15~30 parts of 40~65 parts of melamine, 5~6 parts of makrolon and cellulose.
- 2. melamine-impregnated bond paper according to claim 1, it is characterised in that：The makrolon is bisphenol A-type Makrolon, tetrabromobisphenol A type makrolon, tetrachlorobisphenol A type makrolon, the poly- carbonic acid of dimethyl silicone polymer-bisphenol A-type One or more in ester, hexamethylene bisphenol A polycarbonate.
- 3. a kind of production technology of melamine-impregnated bond paper, including glue step, impregnation step and impregnation steps, its feature It is, the glue step comprises the following steps that preparation：S1：Formaldehyde and water mixing, adjust pH to 7.5~8.0, add urea, be warming up to 85~95 DEG C, 20~40 points of insulated and stirred Clock；S2：Adjust pH to 4.3~4.7, insulated and stirred 60~90 minutes at 85~95 DEG C；S3：When viscosimetric is to 14~16Pas, pH to 7.3~7.7 is adjusted, is cooled to 55~65 DEG C, adds urea, insulation is stirred Mix 30~50 minutes；S4：Melamine, makrolon and the cellulose being added sequentially afterwards, 30~50 points of insulated and stirred at 55~65 DEG C Clock；S5：30~35 DEG C are cooled to, insulated and stirred 120~180 minutes, obtains melamine-impregnated resin glue.
- 4. the production technology of melamine-impregnated bond paper according to claim 3, it is characterised in that：The poly- carbonic acid Ester, tetrabromobisphenol A type makrolon, tetrachlorobisphenol A type makrolon, dimethyl silicone polymer-bisphenol A polycarbonate, ring One or more in hexane bisphenol A polycarbonate.
- 5. the production technology of the melamine-impregnated bond paper according to claim 3 or 4, it is characterised in that：With parts by weight Number meter, total dosage of 30~45 parts of formaldehyde, the urea in step S1 and the urea in step S3 is 10~20 parts, 6~15 parts of water, 15~30 parts of 40~65 parts of melamine, 5~6 parts of makrolon and cellulose.
- 6. the production technology of melamine-impregnated bond paper according to claim 5, it is characterised in that：Urine in step S1 The weight ratio of amount of urea in plain dosage and step S3 is 1~3：1.
- 7. the production technology of melamine-impregnated bond paper according to claim 3, it is characterised in that：90 in step S1 Insulated and stirred at DEG C；PH in step S2 is 4.5, temperature is insulated and stirred at 90 DEG C.
- 8. the production technology of melamine-impregnated bond paper according to claim 3, it is characterised in that step S3 medium viscosities Urea is added when being down to 60 DEG C for 15 Pas, pH 7.5, temperature；Temperature is insulated and stirred at 60 DEG C in step S4.
- 9. the production technology of melamine-impregnated bond paper according to claim 3, it is characterised in that：The impregnation step It is that melamine-impregnated resin glue, curing agent, releasing agent and bleeding agent are subjected to impregnation；Wherein with the melamine of 100 parts by weight On the basis of amine impregnating resin glue, the dosage of curing agent is 0.07~0.08 parts by weight, and the dosage of releasing agent is 0.02~0.03 weight Part is measured, the dosage of bleeding agent is 0.02~0.03 parts by weight.
- 10. the production technology of melamine-impregnated bond paper according to claim 3, it is characterised in that：The dipping step Suddenly horizontal secondary soaking drier is used, impregnated paper speed is 12~15m/s, and the temperature of primary drying is 95~120 DEG C, secondary dry Dry temperature is 130~140 DEG C.
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| CN201711262446.1A CN107956181B (en) | 2017-12-04 | 2017-12-04 | Melamine impregnated bond paper and production process thereof |
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|---|---|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355968A (en) * | 2018-10-11 | 2019-02-19 | 广东福美新材料科技有限公司 | A kind of wearable environment protection type impregnated paper and preparation method thereof |
| CN109776717A (en) * | 2019-02-15 | 2019-05-21 | 临沂市鲁源浸渍纸业有限公司 | A kind of pre- impregnation of no aldehyde and its synthesis technology |
| CN110962426A (en) * | 2019-12-03 | 2020-04-07 | 佛山市长盛兴隆装饰材料有限公司 | Environment-friendly decorative paper and preparation method thereof |
| CN112359604A (en) * | 2020-10-19 | 2021-02-12 | 安徽弘昌新材料有限公司 | Hard composite felt and preparation process thereof |
| CN112853818A (en) * | 2021-03-03 | 2021-05-28 | 东莞市贝辉装饰材料有限公司 | Super sub-facial texture impregnated bond paper without fingerprint and preparation method thereof |
| CN115385144A (en) * | 2022-10-27 | 2022-11-25 | 江苏靓时新材料科技股份有限公司 | Impregnated paper production and transportation system and working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109355968A (en) * | 2018-10-11 | 2019-02-19 | 广东福美新材料科技有限公司 | A kind of wearable environment protection type impregnated paper and preparation method thereof |
| CN109355968B (en) * | 2018-10-11 | 2021-01-15 | 广东福美新材料科技有限公司 | Wear-resistant environment-friendly impregnated paper and preparation method thereof |
| CN109776717A (en) * | 2019-02-15 | 2019-05-21 | 临沂市鲁源浸渍纸业有限公司 | A kind of pre- impregnation of no aldehyde and its synthesis technology |
| CN110962426A (en) * | 2019-12-03 | 2020-04-07 | 佛山市长盛兴隆装饰材料有限公司 | Environment-friendly decorative paper and preparation method thereof |
| CN110962426B (en) * | 2019-12-03 | 2021-07-13 | 佛山市长盛兴隆装饰材料有限公司 | Environment-friendly decorative paper and preparation method thereof |
| CN112359604A (en) * | 2020-10-19 | 2021-02-12 | 安徽弘昌新材料有限公司 | Hard composite felt and preparation process thereof |
| CN112853818A (en) * | 2021-03-03 | 2021-05-28 | 东莞市贝辉装饰材料有限公司 | Super sub-facial texture impregnated bond paper without fingerprint and preparation method thereof |
| CN115385144A (en) * | 2022-10-27 | 2022-11-25 | 江苏靓时新材料科技股份有限公司 | Impregnated paper production and transportation system and working method |
| CN115385144B (en) * | 2022-10-27 | 2022-12-20 | 江苏靓时新材料科技股份有限公司 | Impregnated paper production and transportation system and working method |
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