CN112606155A - Method for processing solid wood composite floor - Google Patents

Method for processing solid wood composite floor Download PDF

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Publication number
CN112606155A
CN112606155A CN202011365653.1A CN202011365653A CN112606155A CN 112606155 A CN112606155 A CN 112606155A CN 202011365653 A CN202011365653 A CN 202011365653A CN 112606155 A CN112606155 A CN 112606155A
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CN
China
Prior art keywords
composite floor
hot pressing
parts
gluing
oak
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011365653.1A
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Chinese (zh)
Inventor
邵培丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Sentai Wood Products Co ltd
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Wuxi Sentai Wood Products Co ltd
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Filing date
Publication date
Application filed by Wuxi Sentai Wood Products Co ltd filed Critical Wuxi Sentai Wood Products Co ltd
Priority to CN202011365653.1A priority Critical patent/CN112606155A/en
Publication of CN112606155A publication Critical patent/CN112606155A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27MWORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/04Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08Manufacture of shaped articles; Presses specially designed therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27MWORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/20Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09J161/26Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C09J161/28Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Floor Finish (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention provides a method for processing a solid wood composite floor, and belongs to the technical field of wood processing. The method comprises the following steps: the oak logs are subjected to rotary cutting to obtain veneers and then dried; gluing odd layers of single boards and pressing the single boards into a base material of the composite floor; after hot pressing, the composite floor is laid aside; adhering oak patches to the sanded composite floor; and (5) after pasting the pieces, placing the composite floor. According to the invention, the oak is dried, coated with the glue and pressed into the composite floor base material, the adhesive for coating the glue is a mixture of trimethylchlorosilane, melamine resin, flour, polyethylene glycol, p-toluenesulfonic acid and fatty alcohol-polyoxyethylene ether, and the composite floor base material is hot-pressed under the conditions that the hot-pressing temperature is 115 ℃, the hot-pressing time is 1.9-2.1 min/mm and the pressure is 1MPa, so that the adhesive effect is good, and the floor foot feel is good.

Description

Method for processing solid wood composite floor
Technical Field
The invention belongs to the technical field of wood processing, and particularly relates to a processing method of a solid wood composite floor.
Background
The solid wood composite floor is a tongue-and-groove floor which is made by taking a solid wood spliced plate or a single plate as a surface layer, taking a solid wood strip as a core layer and taking the single plate as a bottom layer or a tongue-and-groove floor which is made by taking the single plate as a surface layer and taking a plywood as a base material. Solid wood composite floors are wood floors derived from solid wood floor families, and have become the main popular floor types at present due to the advantages of natural wood texture, easiness in installation and maintenance, corrosion resistance, moisture resistance, bacteria resistance and the like.
The solid wood composite floor is divided into a multilayer solid wood floor and a three-layer solid wood floor according to the structure. The three-layer solid wood composite floor is formed by laminating three layers of solid wood veneers in a staggered manner, the three-layer structural board is formed by laminating a glue, and the multi-layer solid wood composite floor is formed by laminating a plurality of layers of plywood as a base material and a specification hard art slice inlaid jointed board or veneer as a panel.
The Chinese patent application with the publication number of CN 108915207A discloses a solid wood composite floor, which comprises a panel and a base material, wherein the panel is a PVC (polyvinyl chloride) plate, a color film is bonded on the upper surface of the PVC plate, a transparent sheet is bonded on the upper surface of the color film, and the transparent sheet, the color film and the PVC plate are bonded to form the panel; the base material adopt the plywood, the upper surface of plywood is pasted with the panel, and the lower surface is equipped with the dampproof membrane, the panel glue on the base material through the isocyanate glue of two ingredients. The invention relates to a floor with a double-component structure, wherein the surface layer is a PVC floor, the bottom layer is a plywood, and the floor has the performances of high hardness, wear resistance, water resistance, flame retardance, skid resistance and environmental protection: the wood composite floor has the advantages of good foot feel, warmness in winter and coolness in summer, good elasticity and good heat preservation and insulation performance; the wood floor is also a low-carbon product for saving precious wood, is a floor paving material suitable for furniture and public places, and has market popularization value. However, the products produced by the plate have the defects of poor elasticity and nail holding power, poor hardness, easy deformation, no solid wood feeling and the like.
Disclosure of Invention
The technical problem to be solved is as follows: aiming at the technical problems, the invention provides the processing method of the solid wood composite floor, which has the advantages of simple preparation method, convenient operation, good gluing effect, good floor foot feel and the like.
The technical scheme is as follows: a processing method of a solid wood composite floor comprises the following steps:
firstly, rotatably cutting oak logs to obtain single boards with the thickness of 1.8-2.2 mm, drying the rotatably cut single boards to the moisture content of 6-8% through a roller dryer, and cooling to room temperature for later use;
step two, gluing odd number layers of single plates and pressing the single plates into a composite floor base material, wherein the gluing amount is 270-290 g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 1.9-2.1 min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 5-8 parts of trimethylchlorosilane, 65-80 parts of melamine resin, 4-6 parts of flour, 0.1-0.3 part of polyethylene glycol, 0.2-0.4 part of p-toluenesulfonic acid and 0.3-0.6 part of fatty alcohol-polyoxyethylene ether are stirred for 30-60 min and mixed uniformly;
step three, after hot pressing, the composite floor is placed for 36-48 hours and is sanded;
and step four, sticking the oak paster with the thickness of 2mm to the sanded composite floor, wherein the technological parameters of the paster are as follows: the hot pressing temperature is 110-120 ℃, the hot pressing time is 10-20 min, the hot pressing pressure is 1.1-1.2 MPa, and the glue coating amount is 120-130 g/m2The adhesive for gluing is the same as the second step;
and fifthly, after mounting the patch, the composite floor is stored for 36-48 hours.
Preferably, in the first step, the oak logs are rotary-cut to obtain veneers with the thickness of 2mm, the rotary-cut veneers are dried by a roller dryer until the water content is 8%, and the veneers are cooled to room temperature for standby.
Preferably, the three layers of veneers in the second step are glued and then pressed into the base material of the composite floor, and the gluing amount is 285 g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 2 min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 6 parts of trimethylchlorosilane, 75 parts of melamine resin, 5 parts of flour, 0.2 part of polyethylene glycol, 0.3 part of p-toluenesulfonic acid and 0.5 part of fatty alcohol-polyoxyethylene ether are stirred for 45 min and mixed uniformly.
Preferably, the composite floor is aged for 45 hours and sanded after hot pressing in the third step.
Preferably, in the fourth step, after sanding, the composite floor is pasted with an oak paster with the thickness of 2mm, and the technological parameters of the paster are as follows: hot pressing temperature 115 deg.C, hotThe pressing time is 15 min, the hot pressing pressure is 1.2MPa, and the glue coating amount is 125 g/m2
Preferably, the composite floor is placed for 48 hours after the surface mounting in the fifth step.
Has the advantages that: according to the invention, the oak is dried, coated with the glue and pressed into the composite floor base material, the adhesive for coating the glue is a mixture of trimethylchlorosilane, melamine resin, flour, polyethylene glycol, p-toluenesulfonic acid and fatty alcohol-polyoxyethylene ether, and the composite floor base material is hot-pressed under the conditions that the hot-pressing temperature is 115 ℃, the hot-pressing time is 1.9-2.1 min/mm and the pressure is 1MPa, so that the adhesive effect is good, and the floor foot feel is good.
Detailed Description
The invention is further described with reference to specific examples.
Example 1
A processing method of a solid wood composite floor comprises the following steps:
firstly, carrying out rotary cutting on oak logs to obtain a single board with the thickness of 1.8mm, drying the rotary-cut single board to the moisture content of 6% by using a roller dryer, and cooling to room temperature for later use;
step two, gluing odd number layers of single boards and pressing the single boards into the composite floor base material, wherein the gluing amount is 270g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 1.9min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 5 parts of trimethylchlorosilane, 65 parts of melamine resin, 4 parts of flour, 0.1 part of polyethylene glycol, 0.2 part of p-toluenesulfonic acid and 0.3 part of fatty alcohol-polyoxyethylene ether are stirred for 30 min and mixed uniformly;
step three, after hot pressing, the composite floor is aged for 36 hours and sanded;
and step four, sticking the oak paster with the thickness of 2mm to the sanded composite floor, wherein the technological parameters of the paster are as follows: hot pressing temperature of 110 deg.C, hot pressing time of 10min, hot pressing pressure of 1.1MPa, and coating weight of 120g/m2The adhesive for gluing is the same as the second step;
and fifthly, after the surface mounting, the composite floor is stored for 36 hours.
Example 2
A processing method of a solid wood composite floor comprises the following steps:
firstly, carrying out rotary cutting on oak logs to obtain a veneer with the thickness of 2.2mm, drying the rotary-cut veneer by a roller dryer until the water content is 8%, and cooling to room temperature for later use;
step two, gluing odd number layers of veneers and pressing the veneers into the composite floor base material, wherein the gluing amount is 290g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 2.1min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 8 parts of trimethylchlorosilane, 80 parts of melamine resin, 6 parts of flour, 0.3 part of polyethylene glycol, 0.4 part of p-toluenesulfonic acid and 0.6 part of fatty alcohol-polyoxyethylene ether are stirred for 60 min and uniformly mixed;
step three, after hot pressing, the composite floor is placed for 48 hours and is sanded;
and step four, sticking the oak paster with the thickness of 2mm to the sanded composite floor, wherein the technological parameters of the paster are as follows: hot pressing temperature of 120 deg.C, hot pressing time of 20min, hot pressing pressure of 1.2MPa, and coating weight of 130g/m2The adhesive for gluing is the same as the second step;
and fifthly, after the surface mounting, the composite floor is aged for 48 hours.
Example 3
A processing method of a solid wood composite floor comprises the following steps:
firstly, carrying out rotary cutting on oak logs to obtain veneers with the thickness of 2mm, drying the rotary-cut veneers to the moisture content of 8% through a roller dryer, and cooling to room temperature for later use;
step two, gluing odd number layers of single plates and pressing the single plates into a composite floor base material, wherein the gluing amount is 285 g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 2 min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 6 parts of trimethylchlorosilane, 75 parts of melamine resin, 5 parts of flour, 0.2 part of polyethylene glycol, 0.3 part of p-toluenesulfonic acid and 0.5 part of fatty alcohol-polyoxyethylene ether are stirred for 45 min and uniformly mixed;
step three, after hot pressing, the composite floor is aged for 45 hours and sanded;
and step four, sticking the oak paster with the thickness of 2mm to the sanded composite floor, wherein the technological parameters of the paster are as follows: hot pressing at 115 deg.C for 15 min under 1.2MPa, and gluingThe amount is 125 g/m2The adhesive for gluing is the same as the second step;
and fifthly, after the surface mounting, the composite floor is aged for 48 hours.
And (3) carrying out performance detection on the products prepared in the examples 1-3, and carrying out an immersion peel strength test according to a GB/T17657-2013 artificial board and veneer artificial board physical and chemical performance test method. When the dipping peel strength is detected, the test is carried out according to the I type standard in GB/T17657-2013. The test piece (size 75mnx75mm) is put into boiling water to be cooked for 4h, taken out and then put into a drying oven at (63+3) DEG C to be dried for 20h, then the test piece is put into boiling water to be cooked for 4h, taken out and then put into the drying oven at (63+3) DEG C to be dried for 3 h. The test piece should be completely immersed in boiling water when the test piece is cooked. Carefully observing whether the adhesive layer between the laminated surface layer and the base material is stripped or not. And if the accumulated glue-stripping length of each side of the glue layer does not exceed 1/3 of the glue layer length, judging the test piece to be qualified. 6 test pieces are measured for each batch of test pieces, and when not less than 5 test pieces are qualified, the batch of test pieces is qualified. And measuring the depth of the concave-convex texture on the surface by using a micrometer. The products prepared in examples 1 to 3 were tested and the peel results were acceptable, with the surface texture depth of example 1 being 0.071mm, the surface texture depth of example 2 being 0.081, and the surface texture depth of example 3 being 0.098.

Claims (6)

1. The processing method of the solid wood composite floor is characterized by comprising the following steps:
firstly, rotatably cutting oak logs to obtain single boards with the thickness of 1.8-2.2 mm, drying the rotatably cut single boards to the moisture content of 6-8% through a roller dryer, and cooling to room temperature for later use;
step two, gluing odd number layers of single plates and pressing the single plates into a composite floor base material, wherein the gluing amount is 270-290 g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 1.9-2.1 min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 5-8 parts of trimethylchlorosilane, 65-80 parts of melamine resin, 4-6 parts of flour, 0.1-0.3 part of polyethylene glycol, 0.2-0.4 part of p-toluenesulfonic acid and 0.3-0.6 part of fatty alcohol-polyoxyethylene ether are stirred for 30-60 min and mixed uniformly;
step three, after hot pressing, the composite floor is placed for 36-48 hours and is sanded;
and step four, sticking the oak paster with the thickness of 2mm to the sanded composite floor, wherein the technological parameters of the paster are as follows: the hot pressing temperature is 110-120 ℃, the hot pressing time is 10-20 min, the hot pressing pressure is 1.1-1.2 MPa, and the glue coating amount is 120-130 g/m2The adhesive for gluing is the same as the second step;
and fifthly, after mounting the patch, the composite floor is stored for 36-48 hours.
2. The method as claimed in claim 1, wherein the first step is to rotary cut the oak log to obtain a veneer with a thickness of 2mm, dry the rotary cut veneer to a moisture content of 8% by a roller dryer, and cool the rotary cut veneer to room temperature for further use.
3. The method for processing the solid wood composite floor as claimed in claim 1, wherein the three layers of the veneers in the second step are glued and then pressed into the composite floor base material, and the gluing amount is 285 g/m2The hot pressing temperature is 115 ℃, the hot pressing time is 2 min/mm, the pressure is 1MPa, and the preparation method of the adhesive for gluing comprises the following steps: according to the mass parts, 6 parts of trimethylchlorosilane, 75 parts of melamine resin, 5 parts of flour, 0.2 part of polyethylene glycol, 0.3 part of p-toluenesulfonic acid and 0.5 part of fatty alcohol-polyoxyethylene ether are stirred for 45 min and mixed uniformly.
4. The method as claimed in claim 1, wherein the composite floor is left for 45h after hot pressing and sanding in the third step.
5. The processing method of the solid wood composite floor as claimed in claim 1, wherein the composite floor is pasted with an oak paster with a thickness of 2mm after sanding in the fourth step, and the pasting process parameters are as follows: hot pressing temperature of 115 deg.C, hot pressing time of 15 min, hot pressing pressure of 1.2MPa, and coating weight of 125 g/m2
6. The method as claimed in claim 1, wherein the composite floor is left for 48h after the surface mounting in the step five.
CN202011365653.1A 2020-11-28 2020-11-28 Method for processing solid wood composite floor Pending CN112606155A (en)

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CN202011365653.1A CN112606155A (en) 2020-11-28 2020-11-28 Method for processing solid wood composite floor

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Application Number Priority Date Filing Date Title
CN202011365653.1A CN112606155A (en) 2020-11-28 2020-11-28 Method for processing solid wood composite floor

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622500A1 (en) * 1987-10-30 1989-05-05 Lafa Sa Process for the manufacture of articles made of plywood
CN104185657A (en) * 2012-03-30 2014-12-03 株式会社高丝 Resin composition and cosmetic containing said resin composition
CN106239645A (en) * 2016-08-29 2016-12-21 南宁市林润木业有限公司 Use the method that anticorrosion composite urea formaldehyde resin produces full Eucalyptus solid wooden compound floor
CN106272843A (en) * 2016-08-10 2017-01-04 南宁市邦得力木业有限责任公司 A kind of Eucalyptus floor base material
CN107756579A (en) * 2017-09-27 2018-03-06 柳州隆泰竹业有限公司 A kind of production method of anti-corrosion bamboo flooring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622500A1 (en) * 1987-10-30 1989-05-05 Lafa Sa Process for the manufacture of articles made of plywood
CN104185657A (en) * 2012-03-30 2014-12-03 株式会社高丝 Resin composition and cosmetic containing said resin composition
CN106272843A (en) * 2016-08-10 2017-01-04 南宁市邦得力木业有限责任公司 A kind of Eucalyptus floor base material
CN106239645A (en) * 2016-08-29 2016-12-21 南宁市林润木业有限公司 Use the method that anticorrosion composite urea formaldehyde resin produces full Eucalyptus solid wooden compound floor
CN107756579A (en) * 2017-09-27 2018-03-06 柳州隆泰竹业有限公司 A kind of production method of anti-corrosion bamboo flooring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
翟海潮: "《实用胶黏剂配方及生产技术》", 30 April 2000, 北京:化学工业出版社 *

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Application publication date: 20210406