CN102528893A - Method for preparing environment-friendly bamboo recombinant material - Google Patents
Method for preparing environment-friendly bamboo recombinant material Download PDFInfo
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- CN102528893A CN102528893A CN2012100611947A CN201210061194A CN102528893A CN 102528893 A CN102528893 A CN 102528893A CN 2012100611947 A CN2012100611947 A CN 2012100611947A CN 201210061194 A CN201210061194 A CN 201210061194A CN 102528893 A CN102528893 A CN 102528893A
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Abstract
The invention discloses a method for preparing an environment-friendly bamboo recombinant material. The method comprises the following steps of: cutting various bamboo serving as raw materials into sections, or crackling and removing inner bamboo joints; calendaring and defibering; drying at the temperature of between 60 and 80 DEG C until the moisture content is 8 to 14 percent; processing the surfaces of bamboo bundles by using a low-temperature plasma processor; taking out and draining; spreading the bamboo joints which are dried after gum dipping in the same fiber direction or filling the bamboo joints which are dried after gum dipping into a die to form slabs; and hot-forming. According to the method, bluish yellow surfaces are removed without any chemical means, and the comprehensive utilization rate of the bamboo can reach over 95 percent. The wetting property of the bamboo is improved by a low temperature plasma technology, the size stability of a recombinant bamboo product is effectively improved, and the surface performance of various polymer materials can be changed quickly, and efficiently in a pollution-free and non-destructive way. The recombinant bamboo is prepared by using a peanut shell liquefied resin adhesive, so the cost is reduced, and the content of free aldehyde is low; and production environment can be improved effectively, the phenomenon of allergic reaction of workers is reduced or eliminated, and the method is beneficial to body health of the workers.
Description
Technical field
The present invention relates to a kind of bamboo recombined material material, relate in particular to a kind of method of utilizing modern low-temperature plasma treatment technology and use novel biomass liquefied resin adhesive to prepare the bamboo recombined material material, belong to the artificial bamboo board processing technique field.
Background technology
The reorganization bamboo is a kind of bamboo wood to be reorganized and strengthen the bamboo matter new material of moulding, and it is to become thin bamboo strips used for weaving, bamboo silk or loose netted bamboo bundle by bamboo processing, through drying, applying glue, assembly and HTHP heat cure and moulding.It has characteristics such as density is big, intensity is high, shock-resistant, wear-resistant, can be used for indoor and outdoor construction material, decorating and renovating material, top-grade furniture, door, window, floor etc.The developmental research of reorganization bamboo is for the tense situation of alleviating timber resources and efficiently utilize bamboo timber resource all significant, therefore becomes research emphasis in recent years.
Wood-based plate teaching and research rooms of Nanjing Forestry University in 1987 have taken the lead in confirming utilizing the research direction of bamboo wood compacting reorganization bamboo, and successfully suppressing with the bitter bamboo is the reorganization bamboo of raw material; The good bright grade of Zhejiang Forestry Institute leaf is a raw material with thunder bamboo, Ph. bambusoides, filial bamboo and bambusa texlitis respectively; Going blue or green and do not going under blue or green two kinds of conditions; Heat pressing process to the reorganization bamboo is studied; Reach a conclusion: under situation about also not making a breakthrough with regard to the technology of going bluish yellow and the method for perennial dwarf bamboo at present, adopting the explained hereafter reorganization bamboo product of reorganization wood, is infeasible in production.Experts such as Zhejiang Prov. Forest Science Inst, Chinese Academy Of Forestry Research Institute Of Wood Industry, Heilungkiang agriculture university, Northeast Forestry University have carried out multinomial research afterwards; Inquired into the bamboo wood softening process, discongested mode, resin added and applying glue mode, whether wash, concentration, hot pressing temperature, hot pressing pressure and the hot pressing time of glue kind and glue be to reorganization bamboo Effect on Performance, for the industrialization that realizes the reorganization bamboo provides theoretical foundation.
The patent of invention of China aspect recombining bamboo also is to increase year by year, accelerated the reorganization bamboo is manufactured experimently large-scale industrial production from the laboratory paces.Patent No. ZL 99117809.2 " method of recombining bamboo material into reinforced shapes " relates to the method that bamboo wood is reorganized and strengthens moulding; Be to take the broken bamboo of mao bamboon to become silk; Impregnation dress mould after drying, (10～100MPa) press cured become the method for section bar through high pressure again.Patent No. ZL 02120518.3 " recombined bamboo-gluing board preparation method " relates to a kind of method of bamboo wood spreading Processing of Preparation reorganization bamboo plywood; Be to adopt bamboo wood is gone earlier green grass or young crops; Subdivision again, be rolled into then laterally do not rupture, the vertical loose and staggered processing method that links to each other, do not upset bamboo fiber orientation bamboo bundle.Patent No. ZL 200810093764.6 relates to a kind of recombination sectional material and manufacturing approach thereof, and said recombination sectional material is made up of the thin bamboo strips used for weaving of impregnation, and said thin bamboo strips used for weaving through heat treatment modification takes place, and it runs through many slits and consistent with machine direction length on thickness direction.The main difference point of above patent be the bamboo processing unit difference, be respectively bamboo silk, bamboo bundle and thin bamboo strips used for weaving, its forming preparation process method is basic identical, and innovation to some extent on the treatment process of bamboo wood is not also arranged.
At present, bamboo recombined material material major technology deficiency is embodied in the following aspects:
The first, because the bluish yellow face of bamboo wood is main with lignin and extract mainly, and contains certain silica, having formed is skeleton and the confining bed that mixes up the silicon type organic with the carbohydrate, is difficult to gluing or covering with paint, makes troubles for the follow-up industrialization processing and utilization of bamboo wood.The manufacturing enterprise of most of at present reorganization bamboo is a feedstock production reorganization bamboo with the bamboo wood that goes bluish yellow all, though go bluish yellow technology can improve the bonding strength of reorganization bamboo, this not only wastes resource, has also increased manufacturing procedure, has improved production cost.
The second, because the reorganization bamboo mainly is the HTHP curing molding, size distortion can appear in the release along with internal stress in the variation of environment wet heat condition or the use, and face checking, warpage, phenomenon such as uneven have limited it in outdoor use.Its basic reason is that the bamboo wood internal structure is fine and close; The adhesive infiltration is less than bamboo wood lumen, wall; Can't play good styling; Therefore the key technology that solves reorganization bamboo rule cun stability is to improve the wellability of bamboo wood, and that existing technical scheme mainly contains is softening, add methods such as surfactant, pressure glue dipping.Therefore remain to be developed the wellability that efficient, quick, free of contamination new technique is used to improve bamboo wood.
The 3rd, the adhesive that the production of reorganization bamboo is used mainly is a synvaren, wherein contain harmful substances such as free phenol, free aldehyde, and price is higher.Along with the proposition of the friendly type of built environment, development conservation-minded society slogan, production environment and health are more and more paid attention to, be badly in need of the cheap environmental-protection type adhesive of exploitation and be used to the preparation of bamboo of recombinating, but report is not also arranged at present.
Summary of the invention
The objective of the invention is to: do not go bluish yellow directly to discongest to the deficiency proposition of prior art is a kind of to various bamboo woods, utilize modern low-temperature plasma to handle bamboo bundle surface, and use novel biomass liquefied resin adhesive to prepare the method for bamboo recombined material material.This method can increase substantially the comprehensive utilization ratio of bamboo wood, and efficient, pollution-free, and the bamboo recombined material material distortion of processing is little, and intensity is high, environmental protection, can be used for indoor and outdoor construction material, structural material etc.
The inventive method may further comprise the steps:
A, be raw material with various bamboo woods, with the raw material intercept or again through hacking, remove interior ring;
B, spreading are discongested and are become to loosen the reticular fibre bundle;
C, the bundle of the bamboo after discongesting place dry kiln, under 60 ~ 80 ℃ of temperature, are dried to moisture content 8 ~ 14%;
D, the treatment process parameter is handled on bamboo bundle surface with the Low Temperature Plasma Treating machine: time 3～10s, handle distance 8～15mm, power 500～1000W;
E, the bamboo bundle that will pass through after the plasma treatment are soaked in 5～10min in the glue, and taking-up drains;
F, the dried bamboo wood of impregnation are by becoming slab with machine direction shop layer or dress mould;
G, that slab is sent into hot press is hot-forming.
Hot pressing parameters is in the inventive method: temperature: 130～150 ℃, and the time: 1～1.5 min/mm thickness of slab, unit pressure: 5 ~ 8 MPa.
The adhesive that glue described in the inventive method step e adopts Chinese patent ZL 2,007 1 0132638.0 said methods to be prepared from, and in said adhesive, convert water to solids content 25 ~ 30%, the bleeding agent that adds 0.5-2 % again forms.
Bleeding agent according to the invention is for drawing back one of powder or penetrating agent JFC or fast penetrant T.
The fire retardant that also can add 0.5-2% when adding bleeding agent in the inventive method.
Raw material according to the invention is more than one of dwarf bamboo or branch bamboo or mao bamboon or the rectangular residue of bamboo processing.
When the inventive method was discongested, that bamboo wood is discongested into was elongated, to be cross-linked with each other and to keep the width of the original arrangement mode of fiber be the loose reticular fibre bundles of 1.5 ~ 6 cm.
The advantage of the inventive method is:
The first, the raw material of use comprises various bamboo woods, need not to remove bluish yellow, need not any chemical means, makes the bamboo wood comprehensive utilization ratio reach more than 95%.
The second, the use non-thermal plasma trap improves the wellability of bamboo wood, effectively raises the dimensional stability of reorganization bamboo product.The Low Temperature Plasma Treating technology is as a kind of new finishing means, fast (several seconds to several second of times), efficient, pollution-free, (modification is 10-1 on the top layer for not damaged
0～10
-6M) change all kinds of polymer surface performances.Not only improve the serviceability of macromolecular material under the specific environment, also widened the scope of application of conventional macromolecular material.With non-thermal plasma trap bamboo wood is carried out surface treatment, can increase the roughness on bamboo wood surface on the one hand, destroy its noncrystalline domain even crystal region; Make the bamboo wood surface texture loose; Microgap increases, thereby can improve the wetability of bamboo wood, increases Ji the district of adhesive resin molecule; On the other hand; Bamboo wood is through being easy to introducing polar group or active site on the surface after the plasma treatment; Make apolar surfaces change polar surfaces into; Thereby increased the interaction on adhesive and bamboo wood surface, made adhesive do up good styling to bamboo, the reorganization bamboo product is easy to crack, the defective of distortion thereby effectively improved.
The 3rd; Use fluidifying peanut shell resin adhesive preparation reorganization bamboo; This resin is to be formed through active liquid object and the formaldehyde condensation polymer that the acid catalysis liquefaction technology changes into alternative phenol by peanut shell, and compare its gummed water resistance with common synvaren identical with use technology, and cost reduces by 20%; Content of free aldehyde reduces by 50%, and the free phenol content detection does not go out.Use this resins bamboo recombined material material need not change technologies such as the original hot pressing of factory, applying glue, can also effectively improve production environment, reduce or stop workman's allergic phenomena, help the healthy of workman.
The specific embodiment
Below in conjunction with embodiment the present invention is elaborated.
Embodiment 1
Use 3～5 years the setation bamboo (diameter 6-10cm) its intercept is become the long bamboo section of 2 m, cut sheet open into 4-8, remove inside and outside ring; With the spreading of bamboo section discongest into elongated, be cross-linked with each other and keep the loose reticular fibre bundle of the original arrangement mode of fiber, width 4cm; Bamboo bundle after discongesting places dry kiln, under 60 ℃ of temperature, is dried to moisture content 10%; With serialization Low Temperature Plasma Treating machine the treatment process parameter is handled on bamboo bundle surface: time 5s, handle apart from 10mm power 650W; Bamboo bundle after the processing is soaked in 10min in the glue; Adhesive adopts the said method of Chinese patent ZL 2,007 1 0132638.0 (the outer glued board of fluidifying peanut shell preparation room sticks with glue the method for agent) to be prepared from; It is 25% that adhesive is converted water to solids content, and the interpolation weight ratio is the fast penetrant T of 0.5 % in adhesive; Under 60 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Dried impregnation bamboo bundle section is carried out rift grain assembly in the same way, sends into hot press again and is pressed into sheet material, hot pressing parameters: temperature: 140 ℃, and the time: 1.2 min/mm thicknesss of slab, unit pressure: 8MPa.
Finished product is taken a sample with reference to the forestry industry standard LY/ T 1574-2000 of the People's Republic of China (PRC), detects with reference to GB/T 17657-1999, and each item index is following: density 1.06g/cm
3Thickness swelling rate≤3.0%; MOR: vertical 160 MPa, laterally 70MPa; Elastic modelling quantity: vertical 13000MPa, horizontal 4200MPa, burst size of methanal≤0.2 mg/L can not come unglued more than 72 hours by anti-continuous boiling water poach.
Embodiment 2
Use dwarf bamboo, branch bamboo to be raw material, its intercept is become the long bamboo section of 2m, that the spreading of bamboo section is discongested into is elongated, be cross-linked with each other and keep the loose reticular fibre bundle of the original arrangement mode of fiber; Bamboo bundle after discongesting places dry kiln, under 60 ℃ of temperature, is dried to moisture content about 10%; With serialization Low Temperature Plasma Treating machine the treatment process parameter is handled on bamboo bundle surface: time 5s, handle apart from 10mm power 650W; Bamboo bundle after the processing is soaked in 10min in the glue; Adhesive adopts the said method of Chinese patent ZL 2,007 1 0132638.0 (the outer glued board of fluidifying peanut shell preparation room sticks with glue the method for agent) to be prepared from wood adhesive; It is 25% that adhesive is converted water to solids content, and in adhesive, to add weight ratio be that 1% bleeding agent draws back powder; Under 60 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Dried impregnation bamboo bundle section is carried out rift grain assembly in the same way, sends into hot press again and is pressed into sheet material, hot pressing parameters: temperature: 140 ℃, and the time: 1.2min/mm thickness of slab, unit pressure: 8MPa.
Finished product is taken a sample with reference to the forestry industry standard LY/ T 1574-2000 of the People's Republic of China (PRC), detects with reference to GB/T 17657-1999, and each item index is following: density 1.12g/cm
3Thickness swelling rate≤3.0%; MOR: vertical 145MPa, laterally 59MPa; Elastic modelling quantity: vertical 11000MPa, horizontal 3800MPa, burst size of methanal≤0.2 mg/L can not come unglued more than 72 hours by anti-continuous boiling water poach.
Embodiment 3
Use the rectangular residue of bamboo processing to be raw material, spreading is discongested and is placed in the dry kiln, is being dried under 60 ℃ of temperature about moisture content 10 %; With serialization Low Temperature Plasma Treating machine the treatment process parameter is handled on bamboo bundle surface: time 5s, handle apart from 10mm power 650W; Bamboo bundle after the processing is soaked in 10min in the glue; Adhesive adopts the said method of Chinese patent ZL 2,007 1 0132638.0 (the outer glued board of fluidifying peanut shell preparation room sticks with glue the method for agent) to be prepared from; It is 25% that adhesive is converted water to solids content, and the interpolation weight ratio is the fast penetrant T of 2 % in adhesive; Under 60 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Dried impregnation bamboo bundle section is carried out rift grain assembly in the same way, sends into hot press again and is pressed into sheet material, hot pressing parameters: temperature: 140 ℃, and the time: 1.2min/mm thickness of slab, unit pressure: 8MPa.
Finished product is taken a sample with reference to the forestry industry standard LY/ T 1574-2000 of the People's Republic of China (PRC), detects with reference to GB/T 17657-1999, and each item index is following: density 1.02g/cm
3Thickness swelling rate≤3.0 %; MOR: vertical 120MPa, laterally 55MPa; Elastic modelling quantity: vertical 11000MPa, horizontal 3600MPa, burst size of methanal≤0.2mg/L can not come unglued more than 72 hours by anti-continuous boiling water poach.
Embodiment 4
Use 3～5 years the setation bamboo (diameter 6-10cm) its intercept is become the long bamboo section of 2 m, cut sheet open into 4-8, remove inside and outside ring; With the spreading of bamboo section discongest into elongated, be cross-linked with each other and keep the loose reticular fibre bundle of the original arrangement mode of fiber, width 1.5 ~ 6 cm cm; Bamboo bundle after discongesting places dry kiln, under 60 ~ 80 ℃ of temperature, is dried to moisture content 8 ~ 14%; With serialization Low Temperature Plasma Treating machine the treatment process parameter is handled on bamboo bundle surface: time 5s, handle apart from 10mm power power 500～1000W; Bamboo bundle after the processing is soaked in 10min in the glue; Adhesive adopts the said method of Chinese patent ZL 2,007 1 0132638.0 (the outer glued board of fluidifying peanut shell preparation room sticks with glue the method for agent) to be prepared from; It is 25% that adhesive is converted water to solids content, and the interpolation weight ratio is the penetrating agent JFC of 0.5 % in adhesive; Under 60 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Dried impregnation bamboo bundle section is carried out rift grain assembly in the same way, sends into hot press again and is pressed into sheet material, hot pressing parameters: temperature: 140 ℃, and the time: 1.2 min/mm thicknesss of slab, unit pressure: 8MPa.
Embodiment 5
Use 3～5 years the setation bamboo (diameter 6-10cm) its intercept is become the long bamboo section of 2 m, cut sheet open into 4-8, remove inside and outside ring; With the spreading of bamboo section discongest into elongated, be cross-linked with each other and keep the loose reticular fibre bundle of the original arrangement mode of fiber, width 1.5 ~ 6 cm cm; Bamboo bundle after discongesting places dry kiln, under 60 ~ 80 ℃ of temperature, is dried to moisture content 8 ~ 14%; With serialization Low Temperature Plasma Treating machine the treatment process parameter is handled on bamboo bundle surface: time 5s, handle apart from 10mm power power 500～1000W; Bamboo bundle after the processing is soaked in 10min in the glue; Adhesive adopts the said method of Chinese patent ZL 2,007 1 0132638.0 (the outer glued board of fluidifying peanut shell preparation room sticks with glue the method for agent) to be prepared from; It is 25% (percentage by weight) that adhesive is converted water to solids content, and in adhesive, to add weight ratio be 2% penetrating agent JFC; Under 60 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Dried impregnation bamboo bundle section is carried out rift grain assembly in the same way, sends into hot press again and is pressed into sheet material, hot pressing parameters: temperature: 130～150 ℃, and the time: 1～1.5 min/mm thickness of slab, unit pressure: 5 ~ 8 MPa.
Embodiment 6
Use dwarf bamboo, branch bamboo to be raw material, with its intercept well-thought-out plan section, that the spreading of bamboo section is discongested into is elongated, be cross-linked with each other and keep the loose reticular fibre bundle of the original arrangement mode of fiber; Bamboo bundle after discongesting places dry kiln, under 60 ~ 80 ℃ of temperature, is dried to moisture content 8 ~ 14%; With serialization Low Temperature Plasma Treating machine the treatment process parameter is handled on bamboo bundle surface: 3～10s, handle distance 8～15mm, power 500～1000W; Bamboo bundle after the processing is soaked in 5～10min in the glue; Adhesive adopts the said method of Chinese patent ZL 2,007 1 0132638.0 (the outer glued board of fluidifying peanut shell preparation room sticks with glue the method for agent) to be prepared from wood adhesive; It is 28% that adhesive is converted water to solids content; And in adhesive, to add weight ratio be 1% penetrating agent JFC-1; Weight ratio is 0.5% Doher-6502 fire retardant, under 60 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Dried impregnation bamboo bundle section is carried out rift grain assembly in the same way, sends into hot press again and is pressed into sheet material, hot pressing parameters: temperature: 150 ℃, and the time: 1.2min/mm thickness of slab, unit pressure: 5 ~ 8MPa.
Finished product is taken a sample with reference to the forestry industry standard LY/ T 1574-2000 of the People's Republic of China (PRC), detects with reference to GB/T 17657-1999, and each item index is following: density 1.12g/cm
3Thickness swelling rate≤3.0%; MOR: vertical 145MPa, laterally 59MPa; Elastic modelling quantity: vertical 11000MPa, horizontal 3800MPa, burst size of methanal≤0.2 mg/L can not come unglued more than 72 hours by anti-continuous boiling water poach.
Embodiment 7
Technological parameter is during Low Temperature Plasma Treating: time 3～10s, handle distance 8～15mm, power 800W; Hot pressing parameters: temperature: 130～150 ℃, the time: 1～1.5 min/mm thickness of slab, unit pressure: 5 ~ 8 MPa.In said adhesive, convert water to solids content 30%, add 1.5% the powder that draws back again.Other is identical with embodiment 1.
Embodiment 8
Technological parameter is during Low Temperature Plasma Treating: time 3～10s, handle distance 8～15mm, power 1000W; Hot pressing parameters: temperature: 130～150 ℃, the time: 1～1.5 min/mm thickness of slab, unit pressure: 5 ~ 8 MPa.In said adhesive, convert water to solids content 25%, add 1.5% the powder that draws back again.Other is identical with embodiment 1.
Embodiment 9
Technological parameter is during Low Temperature Plasma Treating: time 3～10s, handle distance 8～15mm, power 1000W; Hot pressing parameters: temperature: 130～150 ℃, the time: 1～1.5 min/mm thickness of slab, unit pressure: 5 ~ 8 MPa.In said adhesive, convert water to solids content 30%; Add 1.5% the powder that draws back again; And in adhesive, to add weight ratio be 1% penetrating agent JFC-1, and weight ratio is 0.5% Doher-6502 fire retardant, under 60～80 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Other is identical with embodiment 1.
Embodiment 10
That bamboo wood is discongested into is elongated, to be cross-linked with each other and to keep the width of the original arrangement mode of fiber be the loose reticular fibre bundles of 1.5 ~ 6 cm.In said adhesive, convert water to solids content 28%; Add the powder that draws back of 1.5 % again; And in adhesive, to add weight ratio be 1% penetrating agent JFC-1, and weight ratio is 1% Doher-6502 fire retardant, under 60～80 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Other is identical with embodiment 1.
Embodiment 11
That bamboo wood is discongested into is elongated, to be cross-linked with each other and to keep the width of the original arrangement mode of fiber be the loose reticular fibre bundles of 1.5 ~ 6 cm.In said adhesive, convert water to solids content 28%; Add the powder that draws back of 1.5 % again; And in adhesive, to add weight ratio be 1% penetrating agent JFC-1, and weight ratio is 1% Doher-6502 fire retardant, under 60～80 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 12%; Other is identical with embodiment 1.
Embodiment 12
That bamboo wood is discongested into is elongated, to be cross-linked with each other and to keep the width of the original arrangement mode of fiber be the loose reticular fibre bundles of 1.5 ~ 6 cm.In said adhesive, convert water to solids content 28%; Add the powder that draws back of 1.5 % again; And in adhesive, to add weight ratio be 1% penetrating agent JFC-3, and weight ratio is 2% Doher-6502 fire retardant, under 60～80 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 8 ~ 14%; Other is identical with embodiment 1.
Embodiment 13
That bamboo wood is discongested into is elongated, to be cross-linked with each other and to keep the width of the original arrangement mode of fiber be the loose reticular fibre bundles of 1.5 ~ 6 cm.In said adhesive, convert water to solids content 28%, add the powder that draws back of 1.5 % again, and in adhesive, to add weight ratio be 1.5% penetrant JFC-2, under 60～80 ℃ of temperature with impregnation after bamboo bundle redrying to moisture content be below 14%; Other is identical with embodiment 1.
Claims (7)
1. the preparation method of an environment-friendly type bamboo recombined material material is characterized in that: may further comprise the steps: a, be raw material with various bamboo woods, with the raw material intercept or again through hacking, remove interior ring;
B, spreading are discongested and are become to loosen the reticular fibre bundle;
C, the bundle of the bamboo after discongesting place dry kiln, under 60 ~ 80 ℃ of temperature, are dried to moisture content 8 ~ 14%;
D, the treatment process parameter is handled on bamboo bundle surface with the Low Temperature Plasma Treating machine: time 3～10s, handle distance 8～15mm, power 500～1000W;
E, the bamboo bundle that will pass through after the plasma treatment are soaked in 5～10min in the glue, and taking-up drains;
F, the dried bamboo wood of impregnation are by becoming slab with machine direction shop layer or dress mould;
G, that slab is sent into hot press is hot-forming.
2. the preparation method of environment-friendly type bamboo recombined material material according to claim 1 is characterized in that: hot pressing parameters: temperature: 130～150 ℃, and the time: 1～1.5 min/mm thickness of slab, unit pressure: 5 ~ 8 MPa.
3. the preparation method of environment-friendly type bamboo recombined material material according to claim 1 and 2; It is characterized in that: the adhesive that glue described in the step e adopts Chinese patent ZL 2,007 1 0132638.0 said methods to be prepared from; And in said adhesive, convert water to solids content 25 ~ 30%, the bleeding agent that adds 0.5-2 % again forms.
4. the preparation method of environment-friendly type bamboo recombined material material according to claim 3 is characterized in that: bleeding agent is for drawing back one of powder or penetrating agent JFC or fast penetrant T.
5. the preparation method of environment-friendly type bamboo recombined material material according to claim 3 is characterized in that: the fire retardant that adds 0.5-2%.
6. the preparation method of environment-friendly type bamboo recombined material material according to claim 1 and 2 is characterized in that: raw material is more than one of dwarf bamboo or branch bamboo or mao bamboon or the rectangular residue of bamboo processing.
7. the preparation method of environment-friendly type bamboo recombined material material according to claim 1 and 2 is characterized in that: bamboo wood discongest into elongated, to be cross-linked with each other and to keep the width of the original arrangement mode of fiber be the loose reticular fibre bundles of 1.5 ~ 6 cm.
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| CN102941612A (en) * | 2012-10-31 | 2013-02-27 | 中南林业科技大学 | Method for manufacturing recombined bamboo decorative material |
| CN103465322A (en) * | 2013-09-29 | 2013-12-25 | 福建农林大学 | Method for manufacturing reorganized bamboos by adopting plasma technology |
| CN105643762A (en) * | 2016-02-16 | 2016-06-08 | 四川麦笠机械设备有限公司 | Reconstituted bamboo processing technology |
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| CN103465322A (en) * | 2013-09-29 | 2013-12-25 | 福建农林大学 | Method for manufacturing reorganized bamboos by adopting plasma technology |
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| CN106272742A (en) * | 2016-08-01 | 2017-01-04 | 北京林业大学 | A kind of wood-based plate and preparation method thereof |
| CN108818870A (en) * | 2018-05-15 | 2018-11-16 | 安徽霍山隆兴竹业制造有限公司 | A kind of preparation method of open air anti-corrosion bamboo clappers |
| CN110202656A (en) * | 2019-07-18 | 2019-09-06 | 钟三明 | A kind of preparation method of whole bamboo deep charring long span bamboo wood |
| CN110271076A (en) * | 2019-07-18 | 2019-09-24 | 湖北崇高交通科技有限公司 | A kind of production technology of bamboo fiber composite material |
| CN115213986A (en) * | 2022-07-26 | 2022-10-21 | 北京林业大学 | Outdoor plant shell-based glue layer-coating integrated formed paint-free artificial board |
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