CN100496967C - Adhesive-bonded panel made of bamboo and wood and its production method - Google Patents

Adhesive-bonded panel made of bamboo and wood and its production method Download PDF

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Publication number
CN100496967C
CN100496967C CNB2005100883301A CN200510088330A CN100496967C CN 100496967 C CN100496967 C CN 100496967C CN B2005100883301 A CNB2005100883301 A CN B2005100883301A CN 200510088330 A CN200510088330 A CN 200510088330A CN 100496967 C CN100496967 C CN 100496967C
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China
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bamboo
veneer
wood plywood
glue
hot pressing
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CNB2005100883301A
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Chinese (zh)
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CN1903529A (en
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陶仁中
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中国国际海运集装箱(集团)股份有限公司
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Priority to CNB2005100883301A priority Critical patent/CN100496967C/en
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Abstract

A plyboard is made up of multiple wood plys and multiple bamboo plys through alternative laminating and hot pressing.

Description

Bamboo-wood plywood

Technical field

The present invention relates to a kind of glued board, relate in particular to a kind of bamboo-wood plywood.

Background technology

The bamboo carpentry begins starting in China from the nineties, wood substituted by bamboo, and constantly opening up the bamboo wood application is to alleviate forest reserves poorness, an otherwise effective technique measure of improving the ecological environment, the bamboo grove of China is abundant, and speed was given birth in 4 years, utilizes it to replace effective green resource of rainforest timber just.

The technology and the corresponding patent application of a lot of relevant bamboo-wood floors have appearred thus.The utility model patent CN2661631Y that applied on July 30th, 2003 as the present patent application people discloses a kind of two-layer at least plank and container bamboo-wood plywood of one deck bamboo clappers at least of comprising, but its plank is located at dash board up and down, and bamboo clappers is located at internal layer, directly glued joint bamboo veneer gluing or impregnation between bamboo individual layer and the bamboo individual layer.Chinese patent CN1569409A also discloses a kind of bamboo alternate composite plate of wood and manufacture method thereof, it comprises the honest and clean and transversely arranged veneer of bamboo of vertical arrangement, bamboo is honest and clean respectively to be combined with each other by table inwards with veneer, bamboo is honest and clean to have following two kinds with complex method veneer: 1, outer honest and clean compound by three layers of bamboo, sandwich layer is honest and clean compound by the alternate two layers of bamboo of individual layer veneer; 2, skin is one deck bamboo mat, and sandwich layer is honest and clean compound by the alternate two layers of bamboo of individual layer veneer, and sandwich layer is that bamboo is honest and clean.It also is the direct compound a kind of assemble pattern of bamboo layer and bamboo layer, and its middle bamboo single plate must gluing or impregnation.

In sum, the domestic and international at present bamboo-wood plywood main feature in the bamboo plywood field is: have the bamboo veneer to contact with the bamboo veneer in the bamboo-wood plywood; All or part of bamboo veneer is carried out preliminary treatment, as bamboo veneer drying-impregnation-drying; Hot pressing pressure is big, as greater than 20 kg/cm; Compression ratio is big, as greater than 25%.Therefore, the bamboo plywood cost height of producing, the lower and poor stability of product quality.

Summary of the invention

The objective of the invention is to,, provide a kind of bamboo-wood plywood, adopt bamboo veneer, Wooden veneer according to certain arrangement mode collocation assembly at the deficiencies in the prior art, the bamboo plywood stock utilization height that produces, production cost is low.

For achieving the above object, the present invention adopts following technical scheme:

A kind of bamboo-wood plywood, comprise multilayer Wooden veneer and bamboo veneer, the moisture content of described Wooden veneer and described bamboo veneer is not more than 10%, coating meets the glue of described bamboo-wood plywood instructions for use on all or part of described Wooden veneer, accompanies the described Wooden veneer of one deck at least between the described bamboo veneer of adjacent two layers arbitrarily; According to gluing together needs between described bamboo veneer and described Wooden veneer or between described Wooden veneer and described Wooden veneer, part or all of described Wooden veneer is coated with described glue, the coating described glue described Wooden veneer double spread, the glue application amount be two-sided 330~440 the gram/square metre; Described bamboo veneer is gluing not, do not carry out impregnation yet, with behind the Wooden veneer assembly of described bamboo veneer and described double spread or will carry out precompressed behind the Wooden veneer assembly of described bamboo veneer, described Wooden veneer and described double spread earlier, preload pressure is less than 18 kg/cm, every millimeter assembly thickness squeeze time is less than 1.0 minutes, carry out hot pressing then, hot pressing temperature is 125 ℃~145 ℃, hot pressing pressure is less than 20 kg/cm, every millimeter assembly thickness hot pressing time is less than 1.5 minutes, and described bamboo-wood plywood thickness compression ratio is less than 20%.

Described bamboo-wood plywood, wherein, the described glue that meets the bamboo-wood plywood instructions for use is the waterproof phenol glue.

Described bamboo-wood plywood, wherein, described bamboo-wood plywood panel layer or backplane level also can be provided with one deck decorative layer outward.

The bamboo-wood plywood that the present invention produces compared with prior art has following distinguishing feature:

1, the science of bamboo veneer and veneer combination.Always have between the bamboo veneer in the existing bamboo-wood plywood to contact, or bamboo curtain splint and bamboo mat, or bamboo curtain splint and bamboo curtain splint because the gummed characteristics of bamboo veneer itself, in the prior art to the bamboo impregnating glue of veneer, pressure hot pressing all is in order to solve the gummed problem between the bamboo veneer greatly.By a large amount of Test Summaries, the present invention adopts the combination of bamboo veneer science, be to accompany one deck Wooden veneer at least between any two-layer bamboo veneer, gummed between bamboo veneer that is difficult to glue together and the bamboo veneer is become gummed between bamboo veneer and the Wooden veneer, so not only solved the bad bamboo-wood plywood quality problem of unstable that causes of gummed between the bamboo veneer, and can simplify production process, and reduce process time, improve stock utilization.

2, the bamboo veneer does not need impregnation.Need bamboo mat in the existing bamboo-wood plywood production, or bamboo mat, bamboo curtain splint impregnation, impregnation is handled need be to bamboo veneer redrying, production process is many, increase the glue use amount, owing to produce the main material phenol rise in price of phenol glue, cause much producing the bamboo plywood or the stopping production of bamboo-wood plywood producer of building template or closing down at present.Bamboo-wood plywood of the present invention and production technology thereof, the bamboo veneer does not need impregnation, not only simplifies production process, and reduces the glue use amount, reduces the bamboo-wood plywood production cost greatly.

3, do not need big pressure hot pressing, hot pressing time is short, and compression ratio is little.Existing bamboo-wood plywood production technology adopts big pressure hot pressing, and generally greater than 20 kg/cm, hot pressing time is long, in the hot pressing blank flat need be in press slow cooling or secondary hot pressing etc., compression ratio is big, usually greater than 25%.Production efficiency is low, and stock utilization is not high, causes production cost very high.Bamboo-wood plywood of the present invention and production method thereof, adopt less hot pressing pressure, less than 20 kg/cm, hot pressing time is short, the hot pressing of every millimeter assembly thickness is less than 1.5 minutes, and compression ratio has not only improved production efficiency less than 20%, and the stock utilization height, reduced the production cost of bamboo-wood plywood.

Bamboo-wood plywood of the present invention, bamboo veneer combination science in the bamboo-wood plywood, the bamboo veneer does not need impregnation, and operation is few, the cost of material is low; Hot pressing time is short, pressure is low, the production efficiency height, and compression ratio is little, the stock utilization height, production cost is low; Product quality is high and stable.

Bamboo-wood plywood of the present invention will produce revolutionary impact to the utilization of the bamboo resource of China's abundant, for China's bamboo industry is opened up a great scope of land.

Description of drawings

For further setting forth technological means and the effect that the present invention takes for the predetermined purpose of realization, the present invention has been described in detail in conjunction with following accompanying drawing, purpose of the present invention, feature and characteristics, can obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.

Below in conjunction with drawings and Examples the present invention is described in further detail.

Fig. 1 is the i.e. 11 layers of bamboo-wood plywood structural representation of first kind of embodiment of the present invention;

Fig. 2 is the i.e. 17 layers of bamboo-wood plywood structural representation of second kind of embodiment of the present invention;

Fig. 3 is the i.e. 17 layers of bamboo-wood plywood structural representation of the third embodiment of the present invention, and there is hard paper the above and below;

Fig. 4 is the i.e. 19 layers of bamboo-wood plywood structural representation of the 4th kind of embodiment of the present invention;

Fig. 5 is the i.e. 19 layers of bamboo-wood plywood structural representation of the 5th kind of embodiment of the present invention, and there is hard paper the above and below.

The specific embodiment

Embodiment one:

A kind of 11 layers of bamboo-wood plywood, the 1st, 11 layer is bamboo mat, thickness is 1.0 millimeters, as 20 in the accompanying drawing 1; 3rd, 5,7,9 layers is bamboo curtain splint, the arragement direction in bamboo-wood plywood of bamboo curtain splint is consistent with the bamboo-wood plywood length direction (hereinafter to be referred as long core bamboo curtain splint for the length direction of the bamboo chip of composition bamboo curtain splint, the length direction bamboo curtain splint vertical with the bamboo-wood plywood length direction of forming the bamboo chip of bamboo curtain splint is called for short short core bamboo curtain splint), thickness is 2.2 millimeters, as 21 among Fig. 1; 2nd, 4,6,8,10 layers is Wooden veneer, be specially the eucalyptus veneer, as 22 among Fig. 1, the grain direction of the 2nd, 10 eucalyptus veneers consistent with the bamboo-wood plywood length direction (hereinafter to be referred as long central layer) wherein, 4th, the grain direction of 6,8 eucalyptus veneers vertical with the length direction of bamboo-wood plywood (hereinafter to be referred as short central layer), thickness is 1.8 millimeters.Assembly thickness is 19.8 millimeters.With bamboo curtain splint, bamboo mat, eucalyptus veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10 eucalyptus veneer gluings, use the waterproof phenol glue, glue-spread be two-sided 360 the gram/square metre; Form blank flat in order, precompressed, pressure is 12 kg/cm, the time is 22 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 130 ℃, and pressure is 14 kg/cm, and the time is 24 minutes.Blank flat thickness is 18 millimeters after the hot pressing, and compression ratio is 10%; To carry out cutting edge through the blank flat of hot pressing and handle, be cut into certain specification, as 2440X1220 millimeter, 2135X915 millimeter.The every performance of this bamboo-wood plywood all satisfies the building template requirement, is good building template.

Embodiment two:

A kind of 17 layers of bamboo-wood plywood, the 3rd, 5,7,9,11,13,15 layer is bamboo curtain splint, all is long core bamboo curtain splint, thickness is 2.4 millimeters, as 21 among Fig. 2; 1st, 2,4,6,8,10,12,14,16,17 layers is birch veneer, as 22 among Fig. 2, wherein be positioned at the wood grain consistent with the bamboo-wood plywood length direction (hereinafter to be referred as the face base plate) of 1,17 birch veneers on surface, 2nd, 16 layers are the long central layer of birch, 4th, 6,8,10,12,14 are the short central layer of birch, and thickness is 1.6 millimeters.Assembly thickness is 32.8 millimeters.With bamboo curtain splint, birch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16 birch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 370 grams/square metre; Form blank flat in order, precompressed, pressure is 14 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 16 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.5 millimeters after the hot pressing, and compression ratio is 15.1%; To carry out sanding surface, cutting edge processing through the blank flat of hot pressing, be cut into certain specification,, and carry out mortise, chamfered as 2400X1160 millimeter, 1388X1160 millimeter.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.

Embodiment three:

A kind of 17 layers of bamboo-wood plywood, there is the phenol glue impregnated paper bamboo-wood plywood above and below.1st, 17 layers is bamboo mat, and thickness is 1.0 millimeters, as among Fig. 3 20, the 3,5,7,11,13,15 layers be bamboo curtain splint, all be long core bamboo curtain splint, thickness is 2.4 millimeters, as 21 among Fig. 3; 2nd, 4,6,8,9,10,12,14,16 layers is birch veneer, and thickness is 1.7 millimeters, 22 among Fig. 3; Wherein the 2nd, 9,16 are the long central layer of birch, and the 4th, 6,8,10,12,14 are the short central layer of birch.The bamboo-wood plywood above and below is a hard paper, as 23 among Fig. 3.Assembly thickness is 32.8 millimeters.With bamboo mat, bamboo curtain splint, birch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16 birch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 370 grams/square metre; Form blank flat in order, precompressed, pressure is 12 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 14 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.0 millimeters after the hot pressing, and compression ratio is 13.2%; To carry out cutting edge through the blank flat of hot pressing and handle, be cut into certain specification,, and carry out mortise, chamfered as 2400X1160 millimeter, 1388X1160 millimeter.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.

Embodiment four:

A kind of 19 layers of bamboo-wood plywood.3rd, 5,7,9,11,13,15,17 layers is bamboo curtain splint, and thickness is 2.0 millimeters, as 21 among Fig. 4; 1st, 2,4,6,8,10,12,14,16,18,19 layers is the larch veneer, and thickness is 1.5 millimeters, as 22 among Fig. 4; Wherein the 1st, 19 are fallen leaves loose side base plate, and the 2nd, 18 layer is long central layer, and all the other are the short central layer of larch.Assembly thickness is 32.5 millimeters.With bamboo mat, larch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16,18 larch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 350 grams/square metre; Form blank flat in order, precompressed, pressure is 14 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 16 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.5 millimeters after the hot pressing, and compression ratio is 14.0%; To carry out cutting edge processing, sanding surface through the blank flat of hot pressing, be cut into certain specification,, and carry out mortise, chamfered as 2400X1160 millimeter, 1388X1160 millimeter.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.

Embodiment five:

A kind of 19 layers of bamboo-wood plywood, there is hard paper the bamboo-wood plywood above and below.1st, 19 layers is bamboo mat, and thickness is 1.0 millimeters, is bamboo curtain splint as 3,5,7,13,15,17 layers of 20, the among Fig. 5, and thickness is 2.2 millimeters, 21 among Fig. 5; Wherein the 3rd, 5,15,17 are long core bamboo curtain splint, and the 7th, 13 layer is short core bamboo curtain splint; 2nd, 4,6,8,9,10,11,12,14,16,18 layers is the larch veneer, and thickness is 1.5 millimeters, 22 among Fig. 5, and wherein the 2nd, 9,11,18 are long central layer, all the other are short central layer; The bamboo-wood plywood above and below is a hard paper, as 23 among Fig. 5.Assembly thickness is 31.7 millimeters.With bamboo mat, bamboo curtain splint, larch veneer drying, moisture content is not more than 10%; With the 2nd, 4,6,8,10,12,14,16,18 larch veneer gluings, use the waterproof phenol glue, add in the glue and meet the insect-proof agent that AQIS requires, glue-spread be two-sided 350 grams/square metre; Form blank flat in order, precompressed, pressure is 14 kg/cm, the time is 30 minutes; Will be through the blank flat hot pressing of precompressed, temperature is 135 ℃, and pressure is 16 kg/cm, and the time is 40 minutes.Blank flat thickness is 28.0 millimeters after the hot pressing, and compression ratio is 13.2%; To carry out cutting edge through the blank flat of hot pressing and handle, be cut into certain specification,, and carry out mortise, chamfered as 2400X1160 millimeter, 1388X1160 millimeter.The every performance of this bamboo-wood plywood all satisfies the container floor instructions for use.

As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its spiritual essence or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all comprised by the present invention.

Claims (3)

1, a kind of bamboo-wood plywood, comprise multilayer Wooden veneer and bamboo veneer, the moisture content of described Wooden veneer and described bamboo veneer is not more than 10%, coating meets the glue of described bamboo-wood plywood instructions for use on all or part of described Wooden veneer, it is characterized in that, accompany the described Wooden veneer of one deck at least between the described bamboo veneer of adjacent two layers arbitrarily; According to gluing together needs between described bamboo veneer and described Wooden veneer or between described Wooden veneer and described Wooden veneer, part or all of described Wooden veneer is coated with described glue, the coating described glue described Wooden veneer double spread, the glue application amount be two-sided 330~440 the gram/square metre; Described bamboo veneer is gluing not, do not carry out impregnation yet, with behind the Wooden veneer assembly of described bamboo veneer and described double spread or will carry out precompressed behind the Wooden veneer assembly of described bamboo veneer, described Wooden veneer and described double spread earlier, preload pressure is less than 18 kg/cm, every millimeter assembly thickness squeeze time is less than 1.0 minutes, carry out hot pressing then, hot pressing temperature is 125 ℃~145 ℃, hot pressing pressure is less than 20 kg/cm, every millimeter assembly thickness hot pressing time is less than 1.5 minutes, and described bamboo-wood plywood thickness compression ratio is less than 20%.
2, bamboo-wood plywood according to claim 1 is characterized in that, the described glue that meets the bamboo-wood plywood instructions for use is the waterproof phenol glue.
3, bamboo-wood plywood according to claim 1 is characterized in that, described bamboo-wood plywood panel layer or backplane level also can be provided with one deck decorative layer outward.
CNB2005100883301A 2005-07-26 2005-07-26 Adhesive-bonded panel made of bamboo and wood and its production method CN100496967C (en)

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102069515B (en) * 2009-11-20 2013-01-30 新会中集木业有限公司 Bamboo-wood composite plywood for container flooring and production method thereof
CN102514058B (en) * 2011-11-16 2014-09-03 宁国中集竹木制品有限公司 Method for bamboo curtain to directly coat glue on coating machine
CN102554978A (en) * 2012-01-18 2012-07-11 浙江腾龙竹木地板制造有限公司 Bamboo and timber veneer
CN102528859A (en) * 2012-02-06 2012-07-04 宜兴市一洲木业有限公司 Plywood for container flooring
CN103362288B (en) * 2012-03-31 2016-12-14 嘉兴中集木业有限公司 Composite floor board and preparation method thereof
CN102632524B (en) * 2012-04-18 2014-12-10 浙江德清莫干山竹胶板有限公司 Method for manufacturing plywood for bamboo container
CN102601827A (en) * 2012-04-18 2012-07-25 浙江德清莫干山竹胶板有限公司 Plywood for bamboo container
CN103600400B (en) * 2013-11-25 2015-12-02 南京林业大学 A kind of bamboo wood composite electrical lamination wood
CN104772799A (en) * 2014-01-13 2015-07-15 中集木业发展有限公司 Container, flattened bamboo composite floor for container and processing method thereof
CN104400852B (en) * 2014-10-29 2016-06-15 龙岩学院 A kind of manufacture method of engineering corrosion-resistant bamboo
CN105235022A (en) * 2015-09-28 2016-01-13 中国林业科学研究院木材工业研究所 Bamboo-wood composite laminated timber for structure and manufacturing method thereof
CN107521188A (en) * 2017-08-14 2017-12-29 怀宁县中坚竹胶板制造有限公司 A kind of anticorrosion waterproof bamboo plywood
CN110181618A (en) * 2019-06-18 2019-08-30 浙江凯森板业有限责任公司 A kind of preparation method of modeling face high abrasion glued board
CN110757594A (en) * 2019-11-06 2020-02-07 云南永利发林业有限公司 Full bamboo or bamboo-wood composite parallel structure engineering board and manufacturing method thereof

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Application publication date: 20070131

Assignee: HUNAN CIMC WOOD&BAMBOO DEVELOPMENT CO., LTD.

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