CN103448127A - Production method of decorative veneer laminated sheet - Google Patents

Production method of decorative veneer laminated sheet Download PDF

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Publication number
CN103448127A
CN103448127A CN2013104107272A CN201310410727A CN103448127A CN 103448127 A CN103448127 A CN 103448127A CN 2013104107272 A CN2013104107272 A CN 2013104107272A CN 201310410727 A CN201310410727 A CN 201310410727A CN 103448127 A CN103448127 A CN 103448127A
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China
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production method
plate
sheet material
laminated veneer
veneer lumber
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CN2013104107272A
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CN103448127B (en
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王建和
卫佩行
葛文枝
葛诗健
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NINGBO ZHONGJIA LOW CARBON NEW TECHNOLOGY RESEARCH INSTITUTE Co Ltd
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NINGBO ZHONGJIA LOW CARBON NEW TECHNOLOGY RESEARCH INSTITUTE Co Ltd
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Abstract

The invention provides a production method of a decorative veneer laminated sheet. The production method comprises the following technological steps: cooking and softening a low-grade log, performing rotary cut and cutting to form wood veneers and drying; taking half of the wood veneers and soaking the wood veneers for 3-10 minutes with phenolic resin impregnation liquid; drying for 1-1.5 hours at the temperature of 50-80 DEG C; laying up the unimpregnated wood veneers and the impregnated wood veneers at an interval along the grain; aging the billets for 10-30 minutes and then feeding into a prepress to prepress for 3-10 minutes; feeding into a hot press to perform hot pressing; naturally cooling and then sawing to form constant-width strips of certain thickness requirements so as to obtain the decorative veneer laminated sheet. The veneer laminated sheet produced by using the method has the advantages of low cost, obvious strips, high relative property, good appearance and stable dimension and performance.

Description

A kind of production method of decorating with laminated veneer lumber sheet material
Technical field
the present invention relates to the composite wooden material technical field, be specifically related to a kind of production method of decorating with laminated veneer lumber sheet material.
Background technology
The reality that China's Forest Resources lacks has greatly limited the use of timber in building and interior decoration, rationally utilizing existing domestic inferior grade timber (though refer to artificial forest wood or be wildwood but the poor timber of mechanical performance compare), is problem demanding prompt solution.Laminated veneer lumber sheet material is the Novel engineering wood materials that a kind of rotary-cut wood single-plate forms through super-dry, gluing, rift grain assembly, compacting, because its stable performance, intensity are high, be easy to the advantages such as processing, alternative large footpath level solid wood use, be subject to the favor in market.But the production technology level of China's laminated veneer lumber sheet material is relatively backward, be difficult to the requirement of satisfying the market to the high-performance laminated veneer lumber.Summarize, weak point is: wood single-plate is usually without grading, and variability is large, causes properties of product unstable; Structure of plate slab is unreasonable and the wood single-plate dipping enhancing processing method time is long, cost is high, has hindered the marketing of veneer dipping enhancing technology etc.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production method of decorating with laminated veneer lumber sheet material, the laminated veneer lumber board cost of using the method to produce is low, stripe shape obviously, contrast property is strong, outward appearance good, size and stable performance, is suitable for the decorative uses such as floor, wallboard and ceiling.
The technical solution adopted in the present invention is:
A kind of production method of decorating with laminated veneer lumber sheet material is characterized in that comprising following processing step:
(1) the inferior grade log is first carried out to the softening processing of boiling, then rotary-cut, cutting, the wood single-plate that formation thickness is 1-5 mm; Drying, be reduced between 3% to 6% moisture content again.
(2) get the wood single-plate of half step (1) gained, the resin impregnating liquid that is 30% to 60% with solid content carries out immersion treatment 3-10 min, also plays coloration in the time of the veneer gluing.For a change flood the color of veneer or make to flood veneer and darken, can in resin impregnating liquid, add the pigments such as iron oxide red of 1-5%; Shoal for making to flood the veneer color, can in resin impregnating liquid, add 5-10% urea.Wood single-plate after dip dyeing is dry 1-1.5 hour at 50-80 ℃ of temperature, makes the wood single-plate moisture content reach 9-15%.
(3) wood single-plate and the wood single-plate after impregnation process of impregnation process do not carry out interval rift grain assembly, form the slab that thickness is not more than 50mm.
(4) slab is displayed 10-30 min, then sends into preformer precompressed 3 to 10 min under pressure 0.8-1.2 MPa, to reduce slab thickness.
(5) slab that will press is in advance sent into hot press (adopting common multilayer or single-layer hot press to carry out hot pressing gets final product) and is carried out hot pressing, hot plate temperature 140-155 ℃, hot pressing pressure 0.8-2.0 MPa, hot pressing time 15-30s/mm.
(6) slab suppressed is naturally cooling, then perpendicular to plate face saw certain thickness requirement processed etc. wide lath, obtain the present invention and decorate use laminated veneer lumber sheet material (laminated veneer lumber lath).This decoration can be used for interior decoration with the laminated veneer lumber lath after sanding, paint; Perhaps also can spell widely to being coated with after room temperature setting adhesives pressurization by panel side, obtain after cured with the decoration of streak decoration effect laminated veneer lumber plate.
Described step (1) the middle and low grade log is one or both or three kinds or four kinds in these several timber varieties of trees of poplar, Eucalyptus, masson pine and larch.The ratio of every kind of timber all can be selected in theory in the 0-100% interval range, specifically can need to be adjusted according to difference.When selecting poplar and another seeds, board using poplar board and another seeds veneer respectively account for half usually, only have board using poplar board to make impregnation process.
Phenolic resins in described step (2) can be one pack system, also can be bi-component.Bi-component resin impregnating liquid is prepared by the following method: in high molecular weight phenolic resin (molecular weight 1000-2000) and pf resin of low molecular weight (molecular weight 200-1000) are interval according to (1 ︰ 9)-(9 ︰ 1), a certain ratio is mixed and is stirred.Utilize this bi-component resin impregnating immersion stain wood single-plate, can realize that phenolic resins partly permeates wood single-plate inside, part is stayed the wood single-plate surface as adhesive, avoid second glue spreading, time saving and energy saving.
In described step (6), room temperature setting adhesives is polyurethane resin.
Compared with prior art, the present invention has following remarkable advantage and beneficial effect: product cost of the present invention is low, and phenolic resin curing rear surface hardness is high, water-tolerant, makes the product size and the stable performance that obtain.Can form the striped at interval by the laminated veneer lumber sheet material of assembly production of the present invention, contrast property is strong, strengthens aesthetic feeling, can greatly improve the added value of inferior grade timber; Simultaneously, product discharges without free formaldehyde substantially, and environmentally-friendly sanitary, can be widely used in the decorative uses such as floor, wallboard and ceiling.
shown in accompanying drawing
Shown in Fig. 1 is the structural representation of the decoration that obtains of the embodiment of the present invention with laminated veneer lumber sheet material;
Shown in Fig. 2 is the structural representation of the decoration that obtains of the embodiment of the present invention with the laminated veneer lumber plate.
The specific embodiment
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.
The present embodiment is decorated and is comprised following processing step by the production method of laminated veneer lumber sheet material:
(1) select poplar and two kinds of seeds of masson pine, poplar and masson pine log are first carried out to boiling is softening to be processed, the veneer that then peeling thickness is 3.2mm respectively, veneer, after cutting out, then is dried to the moisture content of 3-6% through veneer dryer.
(2) get the board using poplar board of step (1) gained, when carrying out immersion treatment 3-5 min(gluing, also plays the bi-component resin impregnating liquid that is 50% with solid content coloration), after dip dyeing at 50 ℃ of temperature dry 1-1.5 hour, make the wood single-plate moisture content reach 9-15%.Bi-component resin impregnating liquid is prepared by the following method: high molecular weight phenolic resin (molecular weight 1000-2000) and pf resin of low molecular weight (molecular weight 200-1000) are mixed and are stirred according to the ratio of 5 ︰ 5.
(3) board using poplar board after untreated Masson pine timber veneer and dipping is carried out to interval rift grain assembly, form the slab formed by 11 wood single-plate assemblies.
(4) slab is displayed 5 min, then sends into preformer precompressed 3min under pressure 1.0 MPa.
(5) slab that will press is in advance sent into common multi-daylight press and is carried out hot pressing, 150 ℃ of hot plate temperatures, and hot pressing pressure 1.2 MPa, hot pressing time 30s/mm, obtaining thickness is the slab of 35mm left and right.
(6) post-production: the slab suppressed is naturally cooling, then the wide lath such as be 12mm perpendicular to plate face saw thickness processed, obtain the present invention and decorate use laminated veneer lumber sheet material (laminated veneer lumber lath), as shown in Figure 1.This laminated veneer lumber lath can be used for the interior decorations such as floor, wallboard and ceiling after sanding, paint; Perhaps also can pressurization spelling after lath side painting curing polyurethane at room temperature resin is wide, clamping is curing obtains with the decoration of streak decoration effect laminated veneer lumber plate, as shown in Figure 2 after about 1.5 hours.This decoration can be used for the interior decorations such as floor, wallboard and ceiling with the laminated veneer lumber plate after sanding, paint.
The above embodiment of the present invention is to explanation of the present invention and can not be for limiting the present invention, and the implication suitable with claims of the present invention and any change in scope, all should think to be included in the scope of claims.

Claims (7)

1. decorate the production method of using laminated veneer lumber sheet material for one kind, it is characterized in that comprising following processing step:
(1) the inferior grade log is first carried out to the softening processing of boiling, then rotary-cut, cutting, the wood single-plate that formation thickness is 1 to 5 mm; Drying, be reduced between 3% to 6% moisture content again;
(2) get the wood single-plate of half step (1) gained, the resin impregnating liquid that is 30%-60% with solid content carries out immersion treatment 3-10 min, also plays coloration in the time of the veneer gluing; Wood single-plate after dip dyeing is dry 1-1.5 hour at 50-80 ℃ of temperature, makes the wood single-plate moisture content reach 9-15%;
(3) wood single-plate and the wood single-plate after impregnation process of impregnation process do not carry out interval rift grain assembly, form the slab that thickness is not more than 50mm;
(4) slab is displayed 10-30 min, then sends into preformer precompressed 3 to 10 min under pressure 0.8-1.2 MPa, to reduce slab thickness;
(5) slab that will press is in advance sent into hot press and is carried out hot pressing, hot plate temperature 140-155 ℃, hot pressing pressure 0.8-2.0 MPa, hot pressing time 15-30s/mm;
(6) slab suppressed is naturally cooling, then perpendicular to plate face saw certain thickness requirement processed etc. wide lath, obtain the present invention and decorate and use laminated veneer lumber sheet material.
2. a kind of production method of decorating with laminated veneer lumber sheet material according to claim 1 is characterized in that: described step (1) the middle and low grade log is one or both or three kinds or four kinds in poplar, Eucalyptus, masson pine and larch.
3. a kind of production method of decorating with laminated veneer lumber sheet material according to claim 2, it is characterized in that: when described inferior grade log be in three kinds, poplar and Eucalyptus, masson pine, larch any one the time, in poplar and Eucalyptus, masson pine, larch, any one ratio, for respectively accounting for half, only has poplar to make impregnation process when using resin impregnating liquid to carry out immersion treatment.
4. a kind of production method of decorating with laminated veneer lumber sheet material according to claim 1, it is characterized in that: in described step (2), resin impregnating liquid is one pack system resin impregnating liquid or bi-component resin impregnating liquid.
5. a kind of production method of decorating with laminated veneer lumber sheet material according to claim 4, it is characterized in that: described bi-component resin impregnating liquid is prepared by the following method: in high molecular weight phenolic resin and pf resin of low molecular weight are interval according to (1 ︰ 9)-(9 ︰ 1), a certain ratio is mixed and is stirred.
6. a kind of production method of decorating with laminated veneer lumber sheet material according to claim 1, it is characterized in that: in described step (2), resin impregnating liquid also comprises the iron oxide red of 1-5% or the urea of 5-10%.
7. a kind of production method of decorating with laminated veneer lumber sheet material according to claim 1, it is characterized in that: in described step (6), room temperature setting adhesives is polyurethane resin.
CN201310410727.2A 2013-09-11 2013-09-11 Production method of decorative veneer laminated sheet Active CN103448127B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191791A (en) * 2014-08-14 2014-12-10 常州佳饰家装饰新材料有限公司 Process of hot-pressing dipped glue film decorative paper on pure solid wood or raw wood allomorphia balansae line
CN105239516A (en) * 2015-08-28 2016-01-13 北京市首发天人生态景观有限公司 Environmental-friendly wooden anti-glare plate and manufacturing method thereof
CN107053399A (en) * 2017-06-16 2017-08-18 海宁永欣科技咨询有限公司 A kind of production method of decorative board
CN107127858A (en) * 2017-07-12 2017-09-05 康利源科技(天津)股份有限公司 A kind of electrician's veneer thin slice production technology
CN109291192A (en) * 2018-11-22 2019-02-01 福建农林大学 A kind of processing method with dimple pattern decorative plate
CN111483033A (en) * 2020-04-29 2020-08-04 广东省林业科学研究院 Method for preparing recombined bamboo by adopting radial bamboo skin and recombined bamboo obtained by method
CN115401758A (en) * 2022-09-26 2022-11-29 江西米来竹业有限公司 Impregnation liquid for outdoor heavy bamboo products and processing technology thereof

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CN101259627A (en) * 2008-04-24 2008-09-10 中国林业科学研究院木材工业研究所 Manufacturing method of thin saw board (China fir) laminated board
CN101269501A (en) * 2008-05-21 2008-09-24 中国林业科学研究院木材工业研究所 Process for manufacturing bamboo wood thin plate composite bed accumulation material
CN201259627Y (en) * 2008-08-29 2009-06-17 天水锻压机床有限公司 Automatic positioning control system for pipe end position veil detection
CN101863057A (en) * 2010-05-24 2010-10-20 南京林业大学 High-strength corrosion-resistant wood/bamboo plywood and laminated timber and production method thereof
CN101905468A (en) * 2009-06-03 2010-12-08 王殿营 Preparation method of poplar laminated veneer lumber
CN102179842A (en) * 2011-03-01 2011-09-14 南京林业大学 Impregnation densified veneer enhanced laminated veneer lumber and a manufacturing method thereof

Patent Citations (7)

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CN101204822A (en) * 2007-12-06 2008-06-25 中国林业科学研究院木材工业研究所 Producing method of spruce laminated layer materials
CN101259627A (en) * 2008-04-24 2008-09-10 中国林业科学研究院木材工业研究所 Manufacturing method of thin saw board (China fir) laminated board
CN101269501A (en) * 2008-05-21 2008-09-24 中国林业科学研究院木材工业研究所 Process for manufacturing bamboo wood thin plate composite bed accumulation material
CN201259627Y (en) * 2008-08-29 2009-06-17 天水锻压机床有限公司 Automatic positioning control system for pipe end position veil detection
CN101905468A (en) * 2009-06-03 2010-12-08 王殿营 Preparation method of poplar laminated veneer lumber
CN101863057A (en) * 2010-05-24 2010-10-20 南京林业大学 High-strength corrosion-resistant wood/bamboo plywood and laminated timber and production method thereof
CN102179842A (en) * 2011-03-01 2011-09-14 南京林业大学 Impregnation densified veneer enhanced laminated veneer lumber and a manufacturing method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191791A (en) * 2014-08-14 2014-12-10 常州佳饰家装饰新材料有限公司 Process of hot-pressing dipped glue film decorative paper on pure solid wood or raw wood allomorphia balansae line
CN105239516A (en) * 2015-08-28 2016-01-13 北京市首发天人生态景观有限公司 Environmental-friendly wooden anti-glare plate and manufacturing method thereof
CN107053399A (en) * 2017-06-16 2017-08-18 海宁永欣科技咨询有限公司 A kind of production method of decorative board
CN107053399B (en) * 2017-06-16 2018-09-25 唐山仕达家具有限责任公司 A kind of production method of decorative board
CN108749455A (en) * 2017-06-16 2018-11-06 海宁永欣科技咨询有限公司 The production method of improved decorative board
CN107127858A (en) * 2017-07-12 2017-09-05 康利源科技(天津)股份有限公司 A kind of electrician's veneer thin slice production technology
CN109291192A (en) * 2018-11-22 2019-02-01 福建农林大学 A kind of processing method with dimple pattern decorative plate
CN109291192B (en) * 2018-11-22 2021-03-02 福建农林大学 Processing method of decorative plate with dimple pattern
CN111483033A (en) * 2020-04-29 2020-08-04 广东省林业科学研究院 Method for preparing recombined bamboo by adopting radial bamboo skin and recombined bamboo obtained by method
CN115401758A (en) * 2022-09-26 2022-11-29 江西米来竹业有限公司 Impregnation liquid for outdoor heavy bamboo products and processing technology thereof

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Denomination of invention: A production method of veneer laminated plate for decoration

Effective date of registration: 20211108

Granted publication date: 20150311

Pledgee: China Construction Bank Corporation Ninghai sub branch

Pledgor: Ningbo Zhongjia low carbon New Technology Research Institute Co., Ltd

Registration number: Y2021330002165