CN100591498C - Method for preparing bamboo base polyvinyl chloride composite board - Google Patents
Method for preparing bamboo base polyvinyl chloride composite board Download PDFInfo
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- CN100591498C CN100591498C CN200810059920A CN200810059920A CN100591498C CN 100591498 C CN100591498 C CN 100591498C CN 200810059920 A CN200810059920 A CN 200810059920A CN 200810059920 A CN200810059920 A CN 200810059920A CN 100591498 C CN100591498 C CN 100591498C
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- bamboo
- polyvinyl chloride
- composite board
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- 239000011425 bamboo Substances 0.000 title claims abstract description 101
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 99
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 99
- 241001330002 Bambuseae Species 0.000 title claims abstract description 99
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 99
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 50
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title description 11
- 239000002245 particle Substances 0.000 claims abstract description 56
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 238000002360 preparation method Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 238000007731 hot pressing Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 230000001046 anti-mould Effects 0.000 claims description 17
- 239000002546 antimould Substances 0.000 claims description 17
- 238000004078 waterproofing Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 9
- 239000012188 paraffin wax Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- HCJLVWUMMKIQIM-UHFFFAOYSA-M sodium;2,3,4,5,6-pentachlorophenolate Chemical compound [Na+].[O-]C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl HCJLVWUMMKIQIM-UHFFFAOYSA-M 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 230000000754 repressing effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002023 wood Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006424 Flood reaction Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000035613 defoliation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- KNVAYBMMCPLDOZ-UHFFFAOYSA-N propan-2-yl 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC(=O)OC(C)C KNVAYBMMCPLDOZ-UHFFFAOYSA-N 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a preparation method of a bamboo base polyvinyl chloride composite board, which comprises the following steps: 1)raw material crashing: crashing bamboo sawdust into bamboo particles with a particle size of less than or equal to 1.2mm, crashing polyvinyl chloride into polyvinyl chloride particles with the particle size of less than or equal to 0.5mm; 2) mildewproof, mothproof and waterproof treatment of bamboo particles; 3)batch mixing: taking the treated bamboo particles derived from step 2) and the polyvinyl chloride particles derived from step 1) as raw materials, mixing the raw materials and flame retardant; 4) hot pressing: preheating the compound derived from step 3) at a temperature of 170-185 DEG C for 3-5min, paving plate blank, hot press forming and then deriving the bamboo base polyvinyl chloride composite board. The adoption of the preparation method of the invention can efficiently use the residue produced in bamboo processing industry-bamboo sawdustand cause the prepared bamboo base polyvinyl chloride composite board to have stable performance.
Description
Technical field
The invention belongs to the artificial composite plank field, particularly a kind of preparation method of bamboo base polyvinyl chloride composite board.
Background technology
The bamboo resource area and the kind of China all rank first in the world.At present, the whole nation various types of bamboo processing enterprise of existing hundreds of families, these enterprises produce the bamboo processing residue that a large amount of sizes differs in process of production; Domestic utilization to the bamboo processing residue at present mainly is to burn heat production, but this mode was not only uneconomical but also cause environmental pollution easily.Therefore with the raw material of all kinds of bamboo processing residues, have important resource value and environmental protection meaning as sheet material processing.
Be the technology of resin-based composite reinforcing material with the bamboo wood at present, domestic report has patent CN1275481, CN2790714 and CN101007418.Patent CN1275481 discloses a kind of preparation method of bamboo-plastic combined wood-based plate, this method is a raw material with primary bamboo wood, roll compacting growth strip sheet material after cuing open system processing, undertaken by the horizontal one deck of the vertical one deck of bamboo fiber, two layers of bamboo wood therebetween one deck plastic sheet, this technology is manual pasting forming process, is suitable for small-scale production, and the product quality and the personnel's that mat formation technical merit has bigger relation, therefore causes the mechanical mechanics property of identical product different parts also to there are differences.It is the preparation method of the bamboo-plastic combined plate of raw material with the bamboo mat that CN2790714 discloses a kind of, and this sheet material replaces the overlapping hot pressing of mating formation successively by plastics, bamboo mat and forms, and the problem of its existence is identical with patent CN1275481, and target product is a packing case.CN101007418 disclose a kind of with wood mould, the preparation method of bamboo plastic composite reinforced boards, with arbor branch more perfectly straight, easily peeling or shrub stem stalk and plastics is raw material, with arbor or shrub peeling defoliation, and roller bunchy, the silk of cutting into slices, what are mated formation and are hot pressed into plate by manual according to property of raw material and resin content; This method is higher to material requirements, and the process complexity is not simultaneously owing to using mould, so product also will carry out processing such as follow-up cutting edge, sanding, longitudinal cutting.Above method all adopts the manual pasting forming process after the bamboo raw material is processed into given shape, the mechanical property instability of product.In addition, how making full use of all kinds of bamboo processing residues processes raw-material technical matters as sheet material and yet there are no report.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of preparation method of bamboo base polyvinyl chloride composite board, adopts this method can make full use of the residue that bamboo processing produces--the bamboo bits, and can make made bamboo base polyvinyl chloride composite board stable performance.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of bamboo base polyvinyl chloride composite board, may further comprise the steps:
1), raw material pulverizing:
Bamboo powder is broken into granularity≤1.2mm bamboo particle, polyvinyl chloride is ground into the polyvinyl chloride particles of granularity≤0.5mm;
2), bamboo particle anti-mould and anti-moth water-proofing treatment:
Earlier the bamboo particle is flooded 4～6min in anti-mould and moth-proof agent; Then above-mentioned bamboo particle after handling through anti-mould and anti-moth is dried to moisture content be 2%～4%, dry bamboo particle; Then spray waterproofing agent on dry bamboo particle, the bamboo particle after must handling, the consumption of waterproofing agent are 0.2%～0.5% of dry bamboo particle weight;
3), batch mixing:
With step 2) the bamboo particle after the processing of gained and the polyvinyl chloride particles of step 1) gained be as raw material, raw material mixed mutually with fire retardant; The bamboo particle after the processing and the weight ratio of polyvinyl chloride particles are: 48～68: 28～48, and the consumption of fire retardant is 4% of a raw material gross weight;
4), hot pressing:
Earlier with the mixture of step 3) gained at 170～185 ℃ of following preheating 3～5min, the slab of mating formation then, the hot repressing moulding promptly gets bamboo base polyvinyl chloride composite board.
Improvement as the preparation method of bamboo base polyvinyl chloride composite board of the present invention: the anti-mould and moth-proof agent step 2) be phenolic resins and mass concentration be 0.2% penta sodium pentachlorophenate according to 7～10: the solution that 90～93 mass ratio mixes.
Further improvement as the preparation method of bamboo base polyvinyl chloride composite board of the present invention: the waterproofing agent step 2) is that mass concentration is 9%～11% paraffin wax emulsions.
Further improvement as the preparation method of bamboo base polyvinyl chloride composite board of the present invention: the powder that to be Firebrake ZB and chlorinated paraffin wax mix according to 1: 1 mass ratio of the fire retardant in the step 3).
Further improvement as the preparation method of bamboo base polyvinyl chloride composite board of the present invention: the hot-forming technological parameter in the step 4) is: 170～185 ℃ of temperature, pressure 6～8Mpa, time 5～7min.
The preparation method of bamboo base polyvinyl chloride composite board of the present invention has made full use of the bamboo that bamboo processing produced bits waste material, and bamboo powder is broken into granule, can avoid because the technology unstability that bamboo raw material size difference is caused; Therefore finally can enhance product performance, and reduce production cost.
The preparation method of bamboo base polyvinyl chloride composite board of the present invention has following beneficial effect:
(1) residue of bamboo processing generation--bamboo bits source is wide, cost is low, and recyclability is strong.
(2) bamboo of preparation base PVC composite plate is to use PVC as matrix, pulverizes the back and can fully mix with the bamboo particle; Make performance, the more stable quality of product reliable.
(3) by adding a little auxiliary, improved anti-mould and anti-moth, resistance to water and the anti-flammability of bamboo base PVC composite plate, finally prolong life of product.
(4) preparation technology of the present invention is simple, and operation is clear and definite; The production efficiency height, speed is fast, the cycle is short, suitable large batch of large-scale production.
The specific embodiment
The invention will be further described below in conjunction with embodiment.
The preparation method of embodiment 1, a kind of bamboo base polyvinyl chloride composite board, carry out following steps successively:
1), raw material pulverizing:
Bamboo powder is broken into the bamboo particle that granularity is 0.5mm, PVC (polyvinyl chloride) is ground into the PVC particle that granularity is 0.2mm.
2), bamboo particle anti-mould and anti-moth water-proofing treatment:
Earlier being 0.2% penta sodium pentachlorophenate with phenolic resins and mass concentration is mixed into solution according to 10: 90 mass ratio, with this as anti-mould and moth-proof agent.With above-mentioned steps 1) the bamboo particle of gained floods 5min in this anti-mould and moth-proof agent; Then above-mentioned bamboo particle after handling through anti-mould and anti-moth is dried to moisture content be 3%, dry bamboo particle.
With mass concentration is that 9% paraffin wax emulsions is as waterproofing agent.Spray waterproofing agent on above-mentioned dry bamboo particle, the bamboo particle after must handling, the consumption of waterproofing agent are 0.5% of dry bamboo particle weight.
3), batch mixing:
With step 2) bamboo particle after the processing of gained and the PVC particle of step 1) gained mix the back as raw material according to 48: 28 weight ratio.
Firebrake ZB and chlorinated paraffin wax are mixed powder that the back forms as fire retardant according to 1: 1 mass ratio, raw material and fire retardant are evenly mixed, the consumption of fire retardant is 4% of a raw material gross weight.
4), hot pressing:
Earlier with the mixture of step 3) gained at 178 ℃ of following preheating 3～5min, the slab of mating formation then; Then hot-forming 7min under the pressure of 175 ℃ temperature, 8Mpa, bamboo base polyvinyl chloride composite board.
Above-mentioned bamboo base polyvinyl chloride composite board can be used as compound outdoor floor, and the physical and mechanical property excellence can substitute import sheet material, has filled up blank both domestic and external.
Main physical mechanical property to the compound outdoor floor of embodiment 1 gained is measured, and test result is as shown in table 1, and wherein, indexs such as MOR, internal bond strength and thickness swelling rate all meet the requirement of composite floor board national standard.
Table 1, compound outdoor floor The performance test results
| Density (g/cm3) | MOR (MPa) | Internal bond strength (MPa) | Thickness swelling rate (%) | |
| Embodiment 1 | 0.94 | 30.27 | 1.11 | 4.18 |
| The composite floor board national standard | ≥0.8 | ≥30.0 | ≥1.0 | ≤10.0％ |
The preparation method of embodiment 2, a kind of bamboo base polyvinyl chloride composite board, carry out following steps successively:
1), raw material pulverizing:
Bamboo powder is broken into the bamboo particle that granularity is 1mm, PVC (polyvinyl chloride) is ground into the PVC particle that granularity is 0.3mm.
2), bamboo particle anti-mould and anti-moth water-proofing treatment:
Earlier being 0.2% penta sodium pentachlorophenate with phenolic resins and mass concentration is mixed into solution according to 8: 92 mass ratio, with this as anti-mould and moth-proof agent.With above-mentioned steps 1) the bamboo particle of gained floods 4min in anti-mould and moth-proof agent; Then above-mentioned bamboo particle after handling through anti-mould and anti-moth is dried to moisture content be 2%, dry bamboo particle.
With mass concentration is that 10% paraffin wax emulsions is as waterproofing agent.Spray waterproofing agent on above-mentioned dry bamboo particle, the bamboo particle after must handling, the consumption of waterproofing agent are 0.3% of dry bamboo particle weight.
3), batch mixing:
With step 2) bamboo particle after the processing of gained and the PVC particle of step 1) gained mix the back as raw material according to 48: 48 weight ratio.
Firebrake ZB and chlorinated paraffin wax are mixed powder that the back forms as fire retardant according to 1: 1 mass ratio, raw material and fire retardant are evenly mixed, the consumption of fire retardant is 4% of a raw material gross weight.
4), hot pressing:
Earlier with the mixture of step 3) gained at 185 ℃ of following preheating 3～5min, the slab of mating formation then; Then hot-forming 5min under the pressure of 178 ℃ temperature, 7Mpa, bamboo base polyvinyl chloride composite board.
Main physical mechanical property to the bamboo base polyvinyl chloride composite board of embodiment 2 gained is measured according to GB T 17657-1999 wood-based plate and face artificial board physicochemical property characterizing method, test result is as shown in table 2, wherein, index such as shear strength, the modulus of elasticity in static bending all reaches category-A particieboard Grade A national standard, can be used as the substitute of particieboard in some field.
The physical and mechanical property test result of table 2, bamboo base polyvinyl chloride composite board
| Density (g/cm3) | MOR (MPa) | Internal bond strength (MPa) | Thickness swelling rate (%) | |
| Embodiment 2 | 0.85 | 17.18 | 1.10 | 5.55 |
| Category-A particieboard Grade A national standard | 0.50-0.85 | ≥16.0 | ≥0.40 | ≤8.0 |
At last, it is also to be noted that what more than enumerate only is several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (4)
1, a kind of preparation method of bamboo base polyvinyl chloride composite board is characterized in that may further comprise the steps:
1), raw material pulverizing:
Bamboo powder is broken into granularity≤1.2mm bamboo particle, polyvinyl chloride is ground into the polyvinyl chloride particles of granularity≤0.5mm;
2), bamboo particle anti-mould and anti-moth water-proofing treatment:
Earlier the bamboo particle is flooded 4～6min in anti-mould and moth-proof agent, described anti-mould and moth-proof agent be phenolic resins and mass concentration be 0.2% penta sodium pentachlorophenate according to 7～10: the solution that 90～93 mass ratio mixes; Then above-mentioned bamboo particle after handling through anti-mould and anti-moth is dried to moisture content be 2%～4%, dry bamboo particle; Then spray waterproofing agent on dry bamboo particle, the bamboo particle after must handling, the consumption of waterproofing agent are 0.2%～0.5% of dry bamboo particle weight;
3), batch mixing:
With step 2) the bamboo particle after the processing of gained and the polyvinyl chloride particles of step 1) gained be as raw material, raw material mixed mutually with fire retardant; The bamboo particle after the processing and the weight ratio of polyvinyl chloride particles are: 48～68: 28～48, and the consumption of fire retardant is 4% of a raw material gross weight;
4), hot pressing:
Earlier with the mixture of step 3) gained at 170～185 ℃ of following preheating 3～5min, the slab of mating formation then, the hot repressing moulding promptly gets bamboo base polyvinyl chloride composite board.
2, the preparation method of bamboo base polyvinyl chloride composite board according to claim 1 is characterized in that: the waterproofing agent described step 2) is that mass concentration is 9%～11% paraffin wax emulsions.
3, the preparation method of bamboo base polyvinyl chloride composite board according to claim 2 is characterized in that: the powder that to be Firebrake ZB and chlorinated paraffin wax mix according to 1: 1 mass ratio of the fire retardant in the described step 3).
4, according to the preparation method of bamboo base polyvinyl chloride composite board any in the claim 1～3, it is characterized in that: the hot-forming technological parameter in the described step 4) is: 170～185 ℃ of temperature, pressure 6～8Mpa, time 5～7min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810059920A CN100591498C (en) | 2008-03-04 | 2008-03-04 | Method for preparing bamboo base polyvinyl chloride composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810059920A CN100591498C (en) | 2008-03-04 | 2008-03-04 | Method for preparing bamboo base polyvinyl chloride composite board |
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| CN101234502A CN101234502A (en) | 2008-08-06 |
| CN100591498C true CN100591498C (en) | 2010-02-24 |
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| CN200810059920A Expired - Fee Related CN100591498C (en) | 2008-03-04 | 2008-03-04 | Method for preparing bamboo base polyvinyl chloride composite board |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382393A (en) * | 2011-09-30 | 2012-03-21 | 常熟市威腾进出口有限公司 | Wood-plastic polyvinyl chloride composite board and preparation method thereof |
| CN102382350A (en) * | 2011-10-09 | 2012-03-21 | 常熟市威腾进出口有限公司 | High density polyethylane bamboo plastic composite tubing and preparation method thereof |
| CN102862209B (en) * | 2012-09-13 | 2014-11-26 | 中南林业科技大学 | Preparation method of bamboo wood compound material |
| CN106335109B (en) * | 2016-09-11 | 2018-05-01 | 北京林业大学 | A kind of plastics spray fusing orientation wood-plastic composite particleboard and its production technology |
| CN106335108B (en) * | 2016-09-11 | 2018-05-01 | 北京林业大学 | A kind of method that wood plastics composite oriented wood chipboard is prepared based on plastic-spraying mode |
| CN106272873A (en) * | 2016-09-11 | 2017-01-04 | 北京林业大学 | A kind of preparation method of oriented multilayer wood-plastic clad plate |
| CN109777057B (en) * | 2018-12-12 | 2021-05-14 | 宁波大学 | Preparation method of polylactic acid/bamboo charcoal composite material |
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