CN106272862A - A kind of production method of aldehyde-free environment-friendly floor base material particieboard - Google Patents
A kind of production method of aldehyde-free environment-friendly floor base material particieboard Download PDFInfo
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- CN106272862A CN106272862A CN201610837465.1A CN201610837465A CN106272862A CN 106272862 A CN106272862 A CN 106272862A CN 201610837465 A CN201610837465 A CN 201610837465A CN 106272862 A CN106272862 A CN 106272862A
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- Prior art keywords
- base material
- particieboard
- floor base
- wood shavings
- aldehyde
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/029—Feeding; Proportioning; Controlling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses the production method of a kind of aldehyde-free environment-friendly floor base material particieboard, with pet waste modification mixing unsaturated polyester resin as adhesive, polyisocyanates compounds is wood shavings inorganic agent, peroxide is initiator, paraffin powder is waterproofing agent, develops novel not release formaldehyde, superior performance, surface can arbitrarily process the particieboard of tongue-and-groove, and can realize industrialization in existing Flakeboard Product Line, economical, societal benefits are notable, wide market.Present invention process is simple, production process is controlled, use process environmental protection carefree, and finished product price is about the 1/2 4/5 of existing floor base material, is greatly improved particieboard profit margin as floor base material.The most thoroughly solve artificial board formaldehyde release And Spread of Solute, also overcome the technological difficulties that ordinary particle board material MOR is low, rough surface cannot engrave milling simultaneously.
Description
Technical field
The invention belongs to floor base material production field, be specifically related to the life of a kind of aldehyde-free environment-friendly floor base material particieboard
Product method.
Background technology
Particieboard is to be processed into wood shavings or particle with timber or other non-wood plants, applies adhesive and other additives
The sheet material of hot pressing, also known as particle board, flakeboard.It is mainly used in Furniture manufacture and building industry and train, automobile bodies system
Make.Particieboard is internal is nutty structure, is difficult to milling type, and easily causes sudden and violent tooth when cutting out plate, and some processes is to process equipment
Require higher, therefore cannot act as floor base material.Using as furniture, decorating and renovating material, its price is far below floor base material
Market price.
Floor base material generally uses timber floor and density board.Timber floor refers to use wood materials to be processed the ground made
Plate, has solid wooden floor board, solid wooden compound floor, consolidated floor, natural landscape floor, bamboo flooring, the big class of cork flooring six.Wood
Floor can represent natural wood vein and texture, to people's cordial feeling, warming sense and the security, the most easily assists with indoor furniture
Adjust collocation.Yet with course of processing complexity, wood materials consumption greatly, product cost is the highest.The high price that high cost is brought
Lattice, ordinary consumer is difficult to accept.
Density board refers to the fibre board in current wood-based plate, based on wooden fiber and other Plant fiber, then executes
Add the sheet material of certain adhesive compacting.Density board uniform in material, has preferable mechanical property, also has certain suction simultaneously
Sound function.Be mainly aldehyde adhesive stick yet with the currently used adhesive of density board, compare with wood floors, production and
The burst size of methanal of use process is bigger.Especially some medium-sized and small enterprises, for pursuing timber intensity, burst size of methanal is then serious super
Mark, the health of environment and people is caused the harm that cannot estimate by this.
Therefore, exploitation one has high intensity, good processability and eco-friendly floor base material particieboard is to cater to
Current market demand.The present invention, using the modified general unsaturated polyester resin of lower-cost pet waste as adhesive, adopts
By existing particieboard process conditions, secondary applying glue, precompressed, hot pressing obtain expected from can be used as the Chipboard of floor base material.
This has not only expanded the kind of floor base material, provides a kind of washability when buying flooring product for people；Also overcome simultaneously
Technological difficulties that particieboard produces, expand the application of particieboard, be greatly improved the profit margin of particieboard.
Summary of the invention
Present invention aims to particieboard poor processability, be not used as floor base material, it is provided that a kind of utilization is not
Saturated polyester resin is high as adhesive producing aldehyde-free environment-friendly, mechanical strength, the method for the particieboard of good processability.This
The bright general unsaturated polyester resin modified using PET waste plastic as adhesive, polyisocyanate compound as wood shavings at
Reason agent, paraffin powder is waterproofing agent, develops a kind of particieboard that can be used as floor base material, and in existing Flakeboard Product Line
On can realize industrialization, economical, societal benefits are notable, wide market, it is possible to substitute other conventional wood floors, density
Plate is used for indoor floor base material.
For achieving the above object, the present invention adopts the following technical scheme that
The production method of a kind of aldehyde-free environment-friendly floor base material particieboard, specifically includes following steps:
(1) wood shavings 100 weight portion is weighed；
(2) weigh the part by weight modified unsaturated polyester resin of 4-8, add 0.1-1 weight portion wood shavings inorganic agent mix homogeneously inward；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the part by weight modified unsaturated polyester resin of 4-8,0.16-0.64 parts of peroxide is added thereto
Mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, stir；
(7) according to target density is mated formation, precompressed, hot pressing obtain described zero formaldehyde bamboo shaving plate；
Modified unsaturated polyester resin described in step (2) and step (4) is the general unsaturated polyester that PET waste plastic is modified
Ester resin, (molecular resin main chain is made up of terephthalic anhydride, dihydroxylic alcohols, ethylene glycol and maleic anhydride), is given birth to by resin
Business men provides.
Wood shavings described in step (1) are bamboo shaving or bamboo wood mixing wood shavings, and wherein bamboo shaving is bamboo processing wastes, including
Bamboo green grass or young crops, Concretio silicea Bambusae seu schizostachyi and ring；Described wood shavings moisture content is 6 ~ 12wt%.
Wood shavings inorganic agent described in step (2) be toluene di-isocyanate(TDI), poly methylene poly phenyl poly isocyanate, oneself
In diisocyanate, isophorone diisocyanate, an xylylene diisocyanate and methyl diphenylene diisocyanate
Any one.
Step (4) described initiator is benzoyl peroxide, methyl ethyl ketone peroxide, peroxidized t-butyl perbenzoate and peroxide
Change any one in Ketohexamethylene.
In step (7), the technological parameter of described hot pressing is: pressure 9.5-25MPa, temperature 180-240 DEG C, time 3-
15min。
The aldehyde-free environment-friendly particieboard that method as above prepares is primarily used to indoor floor base material.
First the present invention weighs the wood shavings of constant weight, uses air-pressure spraying gun by gluing for a part of unsaturated polyester resin
Agent carries out applying glue for the first time under agitation with the mixture of wood shavings inorganic agent to wood shavings, sets up effectively knot with wood shavings surface
Close；Subsequently wood shavings are carried out by the mixture of initiator and another part unsaturated polyester resin second time applying glue.It is subsequently added
Paraffin water repellent stirs further.When after stirring a period of time, start to mat formation according to goal setting density, precompressed, hot pressing.
After hot pressing completes, by the plank stack up with uniform temperature, utilize the solidification further of remaining temperature.Process through cutting edge again, survey
Determine the elastic modelling quantity of particieboard, MOR, internal bond strength and 2h thickness swelling rate.
The beneficial effects of the present invention is: one aspect of the present invention with bamboo wastes as raw material, need not go that bamboo is blue or green, Concretio silicea Bambusae seu schizostachyi and
Ring, 100% raw material availability.On the other hand, pet waste is recycled with modified general unsaturated polyester resin, then conduct
Adhesive, substitutes phenolic resin, Lauxite and the big aldehyde adhesive stick of melmac three, produces work according to dry method particieboard
Skill produces a kind of novel floor base material bamboo shaving plate or bamboo wooden plane card.Solve the pollution problem of pet waste, will simultaneously
Particieboard production cost is reduces significantly to the 1/2-4/5 of conventional wood floors base material.It addition, obtained sheet material is without aldehyde, mechanical strength
High, good processability, solves particieboard at home for the technological difficulties of floor base material.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
Embodiment 1
The production method of a kind of aldehyde-free environment-friendly floor base material particieboard, specifically includes following steps:
(1) bamboo shaving 70 weight portion (moisture content is 10wt%), wood wool 30 weight portion (moisture content is 10wt%) are weighed；
(2) weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, add 0.5 parts by weight of toluene two isocyanide inward
Acid esters mix homogeneously；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, by 0.24 weight portion peroxidating first and second
Ketone is added thereto mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, stir；
(7) weighing the wood shavings after applying glue according to target density, be first poured into precompressed in the wooden frame of 370 × 370mm, hot repressing obtains
To bamboo wooden plane card；With thickness specification 10mm, pressure 12MPa, temperature 200 DEG C, hot pressing time 4min.
Embodiment 2:
The production method of a kind of aldehyde-free environment-friendly floor base material particieboard, specifically includes following steps:
(1) 50 weight portion bamboo shavings (moisture content is 10wt%) and 50 weight portion wood wools mixing (moisture content is 10wt%) are weighed；
(2) weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, add 0.5 weight portion diphenyl methane inward
Diisocyanate mix homogeneously；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, by 0.48 weight portion peroxidating hexamethylene
Ketone is added thereto mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, stir；
(7) bamboo wood wool is first poured into precompressed in the wooden frame of 370 × 370mm, and hot repressing obtains bamboo wooden plane card；With thickness specification
10mm, hot pressing pressure is 9.5MPa, temperature 240 DEG C, hot pressing time 4min.
Embodiment 3:
The production method of a kind of aldehyde-free environment-friendly floor base material particieboard, specifically includes following steps:
(1) weighing bamboo shaving 100 weight portion, moisture content is 10wt%；
(2) weigh the general unsaturated polyester resin that the pet waste of 8 weight portions is modified, add oneself two isocyanides of 0.1 weight portion inward
Acid esters mix homogeneously；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the general unsaturated polyester resin that 8 weight portion pet wastes are modified, by 0.48 weight portion benzoyl peroxide first
Tert-butyl acrylate is added thereto mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, stir；
(7) bamboo shaving after applying glue is poured into precompressed in the wooden frame of 370 × 370mm, and hot repressing obtains bamboo shaving plate；With finger gauge
Lattice 10mm counts, and pressure is 18MPa, temperature 200 DEG C, hot pressing time 3min.
Embodiment 4:
The production method of a kind of aldehyde-free environment-friendly floor base material particieboard, specifically includes following steps:
(1) 100 parts of bamboo shavings (moisture content is 10wt%) are weighed；
(2) weigh the general unsaturated polyester resin that 4 weight portion pet wastes are modified, add 1 weight portion isophorone two inward different
Cyanate mix homogeneously；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the general unsaturated polyester resin that 4 weight portion pet wastes are modified, by 0.24 weight portion peroxidating first and second
Ketone is added thereto mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 0.5 weight portion is joined in the wood shavings after step (5) glue spraying, stir；
(7) the bamboo wood wool after applying glue is poured into precompressed in the wooden frame of 370 × 370mm, and hot repressing obtains bamboo shaving plate；With thickness
Rule 10mm meter, pressure is 20MPa, temperature 180 DEG C, hot pressing time 15min.
Embodiment 5
A kind of method utilizing unsaturated polyester resin to produce zero formaldehyde bamboo shaving plate, specifically includes following steps:
(1) 70 weight portion bamboo shavings (moisture content is 10wt%) and 30 weight portion wood wools (moisture content is 10wt%) mixing are weighed；
(2) weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, add the 1 many benzene of weight portion polymethylene inward
Quito isocyanates mix homogeneously；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, by 0.36 weight portion benzoyl peroxide first
Acyl is added thereto mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, stir；
(7) the bamboo wood wool after applying glue is poured into precompressed in the wooden frame of 370 × 370mm, and hot repressing obtains bamboo wooden plane card；With thickness
Metric lattice 10mm counts, and pressure is 25MPa, temperature 200 DEG C, hot pressing time 4min.
Embodiment 6
A kind of method utilizing unsaturated polyester resin to produce zero formaldehyde bamboo shaving plate, specifically includes following steps:
(1) 100 weight portion bamboo shavings (moisture content is 10wt%) are weighed；
(2) weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, add xyxylene two between 1 weight portion inward
Isocyanates mix homogeneously；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the general unsaturated polyester resin that 6 weight portion pet wastes are modified, by 0.36 weight portion peroxidating hexamethylene
Ketone is added thereto mix homogeneously；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, stir；
(7) the bamboo wood wool after applying glue is poured into precompressed in the wooden frame of 370 × 370mm, and hot repressing obtains particieboard；With finger gauge
Lattice 10mm counts, and pressure is 15MPa, temperature 200 DEG C, hot pressing time 4min.
Performance test
Use circular sawing machine cutting edge, measure board quality, length, width and thickness, calculate density accordingly；It is sawed into 50 again
× 50mm, the pat of 300 × 50mm, according to GB/T17657-2013 " wood-based plate and the test of face artificial board physicochemical property
Method " elastic modelling quantity, MOR, internal bond strength and the 2h thickness swelling rate of particieboard are measured, simultaneously
Make comparisons with the correlated results of China forestry standard LY/T 1611-2011 " floor base material fibre board ", result (thickness of slab 10mm)
As shown in table 1.
The performance test results of table 1 aldehyde-free environment-friendly floor base material particieboard
The foregoing is only presently preferred embodiments of the present invention, all equalizations done according to scope of the present invention patent change and repair
Decorations, all should belong to the covering scope of the present invention.
Claims (6)
1. the production method of an aldehyde-free environment-friendly floor base material particieboard, it is characterised in that: specifically include following steps:
(1) wood shavings 100 weight portion is weighed；
(2) weigh the part by weight modified unsaturated polyester resin of 4-8, add 0.1-1 weight portion wood shavings inorganic agent mix homogeneously inward；
(3) wood shavings are carried out in whipping process by step (2) gained mixed liquor air pressure glue spraying for the first time；
(4) continue to weigh the part by weight modified unsaturated polyester resin of 4-8,0.16-0.64 weight portion initiator is added thereto mixed
Close uniformly；
(5) wood shavings are carried out in whipping process by step (4) gained mixed liquor second time air pressure glue spraying；
(6) paraffin of 1.1 weight portions is joined in the wood shavings after step (5) glue spraying, continue to stir；
(7) according to target density is mated formation, precompressed, hot pressing obtain described aldehyde-free environment-friendly floor base material particieboard；
Modified unsaturated polyester resin described in step (2) and step (4) is the general unsaturated polyester (UP) that PET waste plastic is modified
Resin, by production of resins, business supplies.
The production method of aldehyde-free environment-friendly floor base material particieboard the most according to claim 1, it is characterised in that: step
(1) wood shavings described in are bamboo shaving or bamboo wood mixing wood shavings, and wherein bamboo shaving is bamboo processing wastes, Concretio silicea Bambusae seu schizostachyi blue or green including bamboo and
Ring；Described wood shavings moisture content is 6 ~ 12wt%.
The production method of aldehyde-free environment-friendly floor base material particieboard the most according to claim 1, it is characterised in that: step
(2) the wood shavings inorganic agent described in be toluene di-isocyanate(TDI), poly methylene poly phenyl poly isocyanate, hexamethylene diisocyanate,
Any one in isophorone diisocyanate, an xylylene diisocyanate and methyl diphenylene diisocyanate.
The production method of aldehyde-free environment-friendly floor base material particieboard the most according to claim 1, it is characterised in that: step
(4) during described initiator is benzoyl peroxide, methyl ethyl ketone peroxide, peroxidized t-butyl perbenzoate and cyclohexanone peroxide
Any one.
The production method of aldehyde-free environment-friendly floor base material particieboard the most according to claim 1, it is characterised in that: step
(7), in, the technological parameter of described hot pressing is: pressure 9.5-25MPa, temperature 180-240 DEG C, time 3-15min.
6. an application for the aldehyde-free environment-friendly floor base material particieboard that the method for claim 1 prepares, its feature
It is: described used for shaving board in indoor floor base material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610837465.1A CN106272862A (en) | 2016-09-21 | 2016-09-21 | A kind of production method of aldehyde-free environment-friendly floor base material particieboard |
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| CN201610837465.1A CN106272862A (en) | 2016-09-21 | 2016-09-21 | A kind of production method of aldehyde-free environment-friendly floor base material particieboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858644A (en) * | 2018-06-26 | 2018-11-23 | 南宁科天水性科技有限责任公司 | A kind of floor base material no aldehyde particieboard and its manufacturing method |
| CN110370416A (en) * | 2019-07-07 | 2019-10-25 | 宁波工程学院 | A kind of formaldehydeless bamboo shaving plate preparation method |
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| CN108858644A (en) * | 2018-06-26 | 2018-11-23 | 南宁科天水性科技有限责任公司 | A kind of floor base material no aldehyde particieboard and its manufacturing method |
| CN110370416A (en) * | 2019-07-07 | 2019-10-25 | 宁波工程学院 | A kind of formaldehydeless bamboo shaving plate preparation method |
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Application publication date: 20170104 |