CN103692502B - As the manufacture method of the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material - Google Patents
As the manufacture method of the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material Download PDFInfo
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- CN103692502B CN103692502B CN201310699345.6A CN201310699345A CN103692502B CN 103692502 B CN103692502 B CN 103692502B CN 201310699345 A CN201310699345 A CN 201310699345A CN 103692502 B CN103692502 B CN 103692502B
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005034 decoration Methods 0.000 title claims abstract description 23
- 238000007731 hot pressing Methods 0.000 claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000007822 coupling agent Substances 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 28
- 230000001070 adhesive effect Effects 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 27
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 26
- 238000004026 adhesive bonding Methods 0.000 claims description 26
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 26
- 241000219000 Populus Species 0.000 claims description 15
- 230000032683 aging Effects 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 8
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 229920004933 Terylene® Polymers 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 244000166124 Eucalyptus globulus Species 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 241000219927 Eucalyptus Species 0.000 description 17
- 239000000203 mixture Substances 0.000 description 11
- 238000003892 spreading Methods 0.000 description 10
- 230000007480 spreading Effects 0.000 description 10
- 244000050510 Cunninghamia lanceolata Species 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention discloses a kind of manufacture method being used as the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material, adopt veneer and non-woven fabrics as raw material, assembly is to the thickness needed after treatment, carries out hot pressing make laminated veneer lumber, as decoration bar section base material by hot press.Laminated veneer lumber base material prepared by the present invention has excellent physical and mechanical property, reduce production cost, the scientific and technological content improving product and added value, effectively make use of existing timber resources and small diameter fast growing wood veneer, improve production efficiency simultaneously, and its physical and mechanical property is excellent, product environmental protection reaches the requirement of E1 level, can export America and Europe and country in Southeast Asia, has significant economic benefit and social benefit.
Description
Technical field
The invention belongs to technical field of composite materials, be specifically related to a kind of manufacture method being used as the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material.
Background technology
Along with the fast-developing timber supply and demand contradiction of China's economy, greatly through the scarcity relatively of level, hard broadleaf resource.Add other types artificial board production equipment backwardness relative to technology, make wood comprehensive utilization rate low, timber waste is serious, has made the development of wood-based panel industry to a certain extent.The how existing timber resources of efficiency utilization, improving scientific and technological content and the added value of product, is problem demanding prompt solution.The decorative timber comprising wooden decorative section bar, because of its good characteristic, is more and more subject to the favor of people, occupies very important status in decorations.In recent years, the fast development of real estate has driven the development of China's decorations industry greatly, for wooden decorative section bar brings the huge market space.For a long time, people are to large a large amount of fellings through level wildwood China fir, and China fir trends towards small diameter for material, have impact on the application of China fir in decorative material largely.Therefore, explore the disparities between supply and demand problem solving China fir, improve the comprehensive utilization ratio of timber, increase technology content, improve added value of product, sheet is used in the production application of decoration bar section, to the development of forest products processing industry, there is important theory significance and actual application value.Laminated veneer lumber is multilayer view picture (or through splicing) veneer is the sheet material of main assembly gummed by rift grain, there is the wood-based plate being similar to solid wood performance, effectively improve the added value of fast growing wood Eucalyptus, poplar converted products, the class of improving product, widen its use field.Laminated veneer lumber is divided into non-structural laminated veneer lumber and structure laminated veneer lumber by present standard GB/T/T20214-2006, for the requirement of concrete mechanical property not mentioned in non-structural laminated veneer lumber, in the practical application as decoration type base material, be difficult to instructions for use.If be used for the base material of decoration bar section with laminated veneer lumber with structure, cause wasting one's talent on a petty job the shortcoming bringing manufacturing cost high.Quick growth due to fast growing wood causes that its short texture, density are low, intensity difference, and obtained decoration bar section laminated veneer lumber also exists that intensity is low, poor rigidity, the problem such as yielding, and be unfavorable for the use of product, production technology is badly in need of being improved.
Non-woven fabrics forms fibre net structure by orientation or random fiber through support row, then adopt machinery, the method such as hot sticky or chemical reinforces and form, there is the features such as pliable and tough, light weight, nontoxic, cheap, environmental protection, the problem increasing cost of transportation because board quality increases can be overcome preferably, and the physical mechanics intensity strengthening base material can be played preferably, in timber industry is produced, application prospect is good.
On traditional laminated veneer lumber production technology basis, the mechanical property that present invention employs non-woven fabrics enhancing laminated veneer lumber reaches 15 ~ 45% than untreated raising, not only increase the comprehensive utilization ratio of small diameter grade fast growing wood, widen the scope of application of poplar, Eucalyptus fast growing wood further, the class of improving product.Strengthen laminated veneer lumber with non-woven fabrics to use as decoration bar section base material, being conducive to changing traditional take solid wood as the mode of production of base material, both a large amount of China fir resources had been saved, turn avoid the generation of the defects such as distortion, cracking when the non-structural laminated veneer lumber produced using Eucalyptus or board using poplar board uses as decoration bar section base material, be conducive to the sustainable development of promotion decoration bar section.Visible, adopt non-woven fabrics to strengthen laminated veneer lumber, in the production application of decoration bar section, there are wide market prospects, there is remarkable economic and social profit.
The preparation method of the publication number non-woven fabric compounded plate of a kind of metal that has been the disclosure of the invention of " CN202627407U ", take metal material as top layer, polymeric laminate is sandwich layer, and non-woven fabrics is bottom, molded through high-temperature roller.During the non-woven fabrics assembly wherein used, non-woven fabrics is positioned at top layer, is mainly convenient to institute's panel and outer surface of wall is pasted, and not mentioned to adopted non-woven fabrics be for strengthening sheet material physical and mechanical property.
The preparation method of publication number a kind of synthetic resin dipped splint decorative finish artificial board that has been the disclosure of the invention of " CN102152564A ", with veneer veneer, brown paper or non-woven fabrics, thermoset synthetic resin, wood-based plate for raw material, be pressed into the sheet material of dull and stereotyped wood-based plate, mould pressing door panels and mold pressing abnormal shape through special process.But the effect of its not mentioned non-woven fabrics, more without the effect strengthening sheet material physical and mechanical property.
Summary of the invention
The product physical and mechanical property that the object of the invention is for existing decoration bar section laminated veneer lumber is poor, the problem that surface coating material is easy to crack, a kind of manufacture method of non-woven fabrics enhancement mode laminated veneer lumber is provided, the non-woven fabrics that the present invention manufactures strengthens laminated veneer lumber, there is excellent physical and mechanical property, be especially suitable for use as the base material of decoration bar section, not only reduce production cost, simple to operate, wood comprehensive utilization rate and production efficiency can be improved, and its physical and mechanical property is better than the index of full wood single-plate laminated timber, the successful implementation of non-woven fabrics enhancement mode laminated veneer lumber has significant economic benefit and social benefit.
The present invention implements by the following technical programs:
A kind of manufacture method being used as the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material: with veneer, non-woven fabrics for raw material, veneer through gluing process, non-woven fabrics after coupling agent treatment, assembly, to the thickness needed, then obtains non-woven fabrics enhancement mode laminated veneer lumber through heat pressing process.
Described veneer is one or both in Eucalyptus veneer, board using poplar board.
Described non-woven fabrics is one or more in polypropylene fibre, polyvinyl chloride fibre, terylene.
Described coupling agent be silane coupler, titanate coupling agent, aluminate coupling agent one or more.
The described manufacture method being used as the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material, comprises the following steps:
(1) Eucalyptus veneer or board using poplar board being dried to moisture content is 8 ~ 10%;
(2) choose thickness be the veneer of 1.2 ~ 1.6mm as dash board, thickness is the veneer of 1.8 ~ 2.8mm is central layer;
(3) non-woven fabrics upper and lower surface is adopted coupling agent treatment, coupling agent consumption is 0.5 ~ 1.5% of non-woven weight;
(4) carry out gluing with urea-formaldehyde resin adhesive to the one side of dash board, glue-spread is 110 ~ 180g/m
2, carry out gluing with urea-formaldehyde resin adhesive to the two-sided of central layer, glue-spread is 240 ~ 330g/m
2;
(5) by blanket glued veneer ageing 10 ~ 20min;
(6) using dash board as ground floor (panel), coated face adds non-woven fabrics, then adds central layer, non-woven fabrics successively, by rift grain assembly to need thickness, finally add another layer of dash board (backboard), the non-coated face of dash board, obtains slab outwardly;
(7) slab is carried out precompressed process, the time is 20 ~ 30min, and pressure is 0.8 ~ 1.1MPa;
(8) slab processed through step (7) is moved to hot press and carry out hot pressing, hot pressing temperature 100 ~ 135 DEG C, hot pressing pressure is 1.2 ~ 1.6MPa, and hot pressing time is 0.8 ~ 1.3min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
The present invention can also be perfect by following measure: 1. by adopting the veneer of other fast growing woods to produce, can widen raw material sources further.2. by adopting surface modification treatment can reach the non-woven fabrics having good interface compatibility with timber, the use number of plies that maybe can reduce non-woven fabrics in production to the process of surface treatment of non-woven fabrics can be simplified.3. substitute urea-formaldehyde resin adhesive by other adhesives such as phenolic resins, isocyanate glue to produce, physical and mechanical property can be promoted further.
remarkable advantage of the present invention is:
(1) non-woven fabrics obtained by the present invention strengthens laminated veneer lumber, is that a kind of physical and mechanical property is excellent, the composite wooden material of low-carbon environment-friendly, is transformed a little by existing plywood production line and can realize industrialization production.
(2) non-woven fabrics obtained by the present invention strengthens laminated veneer lumber, non-woven fabric compoundedly to be formed and the thickness product that is 21mm by 9 layers of veneer and 8 layers, its specific performance index: moisture content 6 ~ 14%, 1/3 of arbitrary this limit tree lace length of limit tree lace strip length < of test specimen same layer glue-line; Burst size of methanal < 1.2mg/L, MOR >=20.8MPa, elastic modelling quantity >=7200MPa, be particularly suitable as decoration bar section base material and maybe need certain load bearing requirements but the occasion use not reaching structure instructions for use.
Detailed description of the invention
Embodiment 1
1) be 8% by rotary-cut Eucalyptus veneer drying to moisture content; 2) get thickness be 1.3mm veneer as dash board, thickness is 2.6mm veneer is central layer; 3) get is quantitatively 40g/m
2pP non-woven fabrics; 4) non-woven fabrics upper and lower surface is by adopting titanate coupling agent process, and coupling agent consumption is 0.5% of non-woven fabrics quality number; 5) dash board urea-formaldehyde resin adhesive (UF) carries out gluing, is 130g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 280g/m
2, blanket glued veneer carries out ageing 15min; 6) get blanket glued veneer and carry out rift grain assembly, between adjacent veneer, add the non-woven fabrics through step 4) process simultaneously; Composition slab dash board tightly face outside; 7) slab carries out precompressed process, and the time is 20min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 115 DEG C, and under 1.3MPa pressure, hot pressing time is 1.3min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 2
1) rotary-cut board using poplar board being dried to moisture content is 8%; 2) thickness of step 1) of learning from else's experience be 1.6mm veneer as dash board, thickness is 2.5mm veneer is central layer; 3) get is quantitatively 25g/m
2pP non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting aluminate coupling agent process, coupling agent consumption is 0.5% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 150g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 260g/m
2, blanket glued veneer carries out ageing 20min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 20min, and pressure is 1.1MPa; 8) slab is moved to hot press and carry out hot pressing, hot pressing temperature 135 DEG C, under 1.3MPa pressure, hot pressing time is 1.2min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 3
1) be 8% by rotary-cut Eucalyptus veneer drying to moisture content; 2) thickness of step 1) of learning from else's experience be 1.3mm veneer as dash board, thickness is 2.6mm veneer is central layer; 3) get is quantitatively 25g/m
2pET non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting silane coupler process, coupling agent consumption is 0.5% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 180g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 300g/m
2, blanket glued veneer carries out ageing 15min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 30min, and pressure is 0.8MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 120 DEG C, and under 1.3MPa pressure, hot pressing time is 1.2min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 4
1) be 9% by rotary-cut Eucalyptus veneer drying to moisture content; 2) thickness of step 1) of learning from else's experience be 1.6mm veneer as dash board, thickness is 2.6mm veneer is central layer; 3) get is quantitatively 35g/m
2pVC non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting silane coupler process, coupling agent consumption is 1.2% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 130g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 330g/m
2, blanket glued veneer carries out ageing 10min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 25min, and pressure is 1.0MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 125 DEG C, and under 1.3MPa pressure, hot pressing time is 1.2min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 5
1) be 10% by rotary-cut Eucalyptus veneer drying to moisture content; 2) thickness of step 1) of learning from else's experience be 1.5mm veneer as dash board, thickness is 2.6mm veneer is central layer; 3) get is quantitatively 30g/m
2pVC non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting aluminate coupling agent process, coupling agent consumption is 1.1% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 140g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 280g/m
2, blanket glued veneer carries out ageing 15min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 20min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 135 DEG C, and under 1.2MPa pressure, hot pressing time is 1.6min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.(0.8 in the scope 1.2-1.6Mpa that claim is given)
Embodiment 6
1) rotary-cut board using poplar board being dried to moisture content is 9%; 2) thickness of step 1) of learning from else's experience be 1.4mm veneer as dash board, thickness is 2.8mm veneer is central layer; 3) get is quantitatively 45g/m
2pET non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting aluminate coupling agent process, coupling agent consumption is 0.9% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 180g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 280g/m
2, blanket glued veneer carries out ageing 15min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 20min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 100 DEG C, and under 1.3MPa pressure, hot pressing time is 1.3min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.(1.6min/mm is not also in scope)
Embodiment 7
1) be 9% by rotary-cut Eucalyptus veneer drying to moisture content; 2) thickness of step 1) of learning from else's experience be 1.5mm veneer as dash board, thickness is 2.5mm veneer is central layer; 3) get is quantitatively 45g/m
2pP non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting aluminate coupling agent process, coupling agent consumption is 0.9% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 130g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 280g/m
2, blanket glued veneer carries out ageing 15min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 20min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 125 DEG C, and under 1.6MPa pressure, hot pressing time is 0.8min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 8
1) rotary-cut Eucalyptus veneer and board using poplar board being dried to moisture content is 9%; 2) thickness of step 1) of learning from else's experience be 1.3mm poplar veneer as dash board, thickness is 2.6mm Eucalyptus veneer is central layer; 3) get is quantitatively 50g/m
2pVC non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting silane coupler process, coupling agent consumption is 1.1% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 110g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 240g/m
2, blanket glued veneer carries out ageing 12min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 20min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 125 DEG C, and under 1.2MPa pressure, hot pressing time is 1.3min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 9
1) rotary-cut Eucalyptus veneer and board using poplar board being dried to moisture content is 9%; 2) thickness of step 1) of learning from else's experience be 1.6mm poplar veneer as dash board, thickness is 2.7mm Eucalyptus veneer is central layer; 3) get is quantitatively 35g/m
2pVC non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting metatitanic acid coupling agent treatment, coupling agent consumption is 1.5% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 150g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 290g/m
2, blanket glued veneer carries out ageing 12min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 25min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 115 DEG C, and under 1.3MPa pressure, hot pressing time is 1.3min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
Embodiment 10
1) rotary-cut Eucalyptus veneer and board using poplar board being dried to moisture content is 9%; 2) thickness of step 1) of learning from else's experience be 1.3mm poplar veneer as dash board, thickness is 2.8mm Eucalyptus veneer is central layer; 3) get is quantitatively 30g/m
2pP non-woven fabrics; 4) get step 3) non-woven fabrics upper and lower surface by adopting metatitanic acid coupling agent treatment, coupling agent consumption is 0.8% of non-woven fabrics quality number; 5) to learn from else's experience step 2) dash board urea-formaldehyde resin adhesive (UF) carry out gluing, be 145g/m to the loose side single spreading amount of dash board
2; To learn from else's experience step 2) central layer urea-formaldehyde resin adhesive (UF) carry out gluing, double spread amount is 310g/m
2, blanket glued veneer carries out ageing 18min; 6) veneer of step 5) of learning from else's experience carries out rift grain assembly, adds the non-woven fabrics through step 4) between adjacent veneer simultaneously; Composition slab dash board tightly face outside; 7) slab getting step 6) carries out precompressed process, and the time is 30min, and pressure is 1.1MPa; 8) slab getting step 7) moves to hot press and carries out hot pressing, hot pressing temperature 105 DEG C, and under 1.2MPa pressure, hot pressing time is 1.2min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
It should be noted that: what 1) the present invention adopted is with poplar, Eucalyptus veneer for raw material, in order to widen raw material range, other log veneers can be adopted to be that raw material carries out production non-woven fabrics enhancement mode laminated veneer lumber by the compound assemble pattern adding non-woven fabrics.2) the present invention adopts polypropylene fibre (PP, polypropylene) non-woven fabrics, polyvinyl chloride fibre (PVC, polyvinyl chloride) non-woven fabrics, terylene (PET, polyester) non-woven fabrics, is main non-woven fabrics on market, and intensity is better simultaneously.The non-woven fabrics of other compositions is applicable equally.3) physical and mechanical property adopting other adhesives such as phenolic resin glue, isocyanate glue to substitute urea-formaldehyde resin adhesive production non-woven fabrics enhancement mode laminated veneer lumber product increases.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. one kind is used as the manufacture method of the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material, it is characterized in that: with veneer, non-woven fabrics for raw material, veneer through gluing process, non-woven fabrics after coupling agent treatment, assembly, to the thickness needed, then obtains non-woven fabrics enhancement mode laminated veneer lumber through heat pressing process;
Concrete making step is:
(1) Eucalyptus veneer or board using poplar board being dried to moisture content is 8 ~ 10%;
(2) choose thickness be the veneer of 1.2 ~ 1.6mm as dash board, thickness is the veneer of 1.8 ~ 2.8mm is central layer;
(3) non-woven fabrics upper and lower surface is adopted coupling agent treatment, coupling agent consumption is 0.5 ~ 1.5% of non-woven weight;
(4) carry out gluing with urea-formaldehyde resin adhesive to the one side of dash board, glue-spread is 110 ~ 180g/m
2, carry out gluing with urea-formaldehyde resin adhesive to the two-sided of central layer, glue-spread is 240 ~ 330g/m
2;
(5) by blanket glued veneer ageing 10 ~ 20min;
(6) using dash board as ground floor, i.e. panel, coated face adds non-woven fabrics, then adds central layer, non-woven fabrics successively, by rift grain assembly to need thickness, finally add another layer of dash board, i.e. backboard, the non-coated face of dash board, obtains slab outwardly;
(7) slab is carried out precompressed process, the time is 20 ~ 30min, and pressure is 0.8 ~ 1.1MPa;
(8) slab processed through step (7) is moved to hot press and carry out hot pressing, hot pressing temperature 100 ~ 135 DEG C, hot pressing pressure is 1.2 ~ 1.6MPa, and hot pressing time is 0.8 ~ 1.3min/mm; After hot pressing completes, step-down is unloaded plate and is obtained non-woven fabrics enhancement mode laminated veneer lumber.
2. the manufacture method of non-woven fabrics enhancement mode laminated veneer lumber being used as decoration bar section base material according to claim 1, is characterized in that: described non-woven fabrics is one or more in polypropylene fibre, polyvinyl chloride fibre, terylene.
3. the manufacture method of non-woven fabrics enhancement mode laminated veneer lumber being used as decoration bar section base material according to claim 1, is characterized in that: described coupling agent be silane coupler, titanate coupling agent, aluminate coupling agent one or more.
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| CN104946179A (en) * | 2015-06-12 | 2015-09-30 | 柳州市骏马木业有限公司 | Preparation method of environment-friendly eucalyptus plywood |
| CN107364275A (en) * | 2017-08-09 | 2017-11-21 | 广西大学 | A kind of preparation method of timber batik product |
| CN108372694A (en) * | 2018-04-25 | 2018-08-07 | 湖州博立科技股份有限公司 | A kind of compound Chinese fir board |
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Denomination of invention: Production method for non-woven fabric enhanced laminated veneer lumber used as decorative profile base materials Effective date of registration: 20161027 Granted publication date: 20151118 Pledgee: Nanping Fujian rural commercial bank Limited by Share Ltd. Pledgor: FUJIAN NANPING YUANQIAO WOOD INDUSTRY CO.,LTD. Registration number: 2016350000121 |
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Date of cancellation: 20170714 Granted publication date: 20151118 Pledgee: Nanping Fujian rural commercial bank Limited by Share Ltd. Pledgor: FUJIAN NANPING YUANQIAO WOOD INDUSTRY CO.,LTD. Registration number: 2016350000121 |