CN103030988B - The preparation method of coconut fibre base wood-plastic composite material - Google Patents
The preparation method of coconut fibre base wood-plastic composite material Download PDFInfo
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- CN103030988B CN103030988B CN201310011729.4A CN201310011729A CN103030988B CN 103030988 B CN103030988 B CN 103030988B CN 201310011729 A CN201310011729 A CN 201310011729A CN 103030988 B CN103030988 B CN 103030988B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The present invention discloses a kind of preparation method of coconut fibre base wood-plastic composite material, coconut fibre base wood-plastic composite material, each Ingredient Wt according to the following ratio: coconut fibre is about 50%-75%; High density polyethylene(HDPE) (HDPE) about 15%-30%; Other promoter additives (1, solubilizing agent 2, coupling agent 3, lubricant 4, tinting material 5, anti-microbial inoculum 6, ultra-violet stabilizer 7, dispersion agent 8, oxidation inhibitor 9, linking agent etc.) about 10%-20%.Coconut fibre sill plastic composite environmentally-friendly building materials of the present invention adopt new and high technology; collect the PE Drinking bottle, bath bottle and the special fiber prepared from coconut fruit that abandon after using, by high speed and low speed mixer, tablets press and the various section bar of extrusion shaping machine processing.There is waterproof, mothproof, anticorrosion, woodiness touch is strong, surface hardness is high, wear resistance is strong, long service life, not containing the feature of formaldehyde, be a kind of material-saving generation wood, be applicable to the typical environment-friendly materials of outdoor hydrophilic view.
Description
Technical field
The present invention relates to a kind of wood plastic composite and preparation method thereof, specifically, is a kind of preparation method of coconut fibre base wood-plastic composite material.
Background technology
Coconut Pterostyrax Palmae aiphyllium, belongs to perennial tropical woody oleiferous plants crop, and the primary product coconut palm fruit of coconut palm, its shape is subsphaeroidal, is made up of parts such as exocarp, mesocarp, endocarp (coconut husk), seed coat, kind benevolence (endosperm), embryo, Sucus Cocois.Coconut fiber is made up of three parts: coconut palm branches and leaves fiber, coconut flesh fiber, coconut fruit fibre.Coconut palm branches and leaves fiber refers to coconut palm base of leaf fiber, and coconut flesh fiber refers to that coconut flesh fiber is broken, and coconut fruit fibre refers to coconut exocarp, mesocarp, and custom becomes coconut palm clothing, generally accounts for 33% ~ 35% of full fruit quality.
The main chemical of each biomass fiber is Mierocrystalline cellulose, hemicellulose, the wooden basic substance usually forming cell walls in cell walls.Wherein Mierocrystalline cellulose forms micro-fibril, in cell walls, play skeleton function.Fibres visible element provides active influence to the mechanics of matrix material and other performances.(see table one, table two)
Coconut fibre contains more xylogen and Mierocrystalline cellulose, and hemicellulose level is but very low, and therefore microbially stable is good.
The chemical property (%) of table one coconut fibre
The mechanical property of table two coconut fibre
Hainan has abundant tropical agriculture resource, and high-effective tropic agriculture is the core industry of Hainan Economic development.Coconut is the representational fruit of most and cash crop in tropical agriculture, has very high Development volue.
Utilize plastic waste and coconut palm clothing, produce wood plastic composite, meet national economic policy, course of processing environmental protection, end article environmental protection; Waste product can be reprocessed, recycling economy, benefits the nation and the people, benefits future generations.
Hainan has abundant tropical agriculture resource, and high-effective tropic agriculture is the core industry of Hainan Economic development.Coconut is the representational fruit of most and cash crop in tropical agriculture, has very high Development volue.
Utilize plastic waste and discarded coconut palm clothing, produce wood plastic composite, meet national economic policy, course of processing environmental protection, end article environmental protection; Waste product can be reprocessed, recycling economy, benefits the nation and the people, benefits future generations.
Summary of the invention
The object of this invention is to provide a kind of preparation method of coconut fibre base wood-plastic composite material, the method not only can solve the appearance of the city caused by discarded coconut husk and traffic safety problem, and the product produced has waterproof, mothproof, anticorrosion, woodiness touch is strong, surface hardness is high, wear resistance is strong, long service life, not containing the plurality of advantages such as formaldehyde, the typical environment-friendly materials of a kind of material-saving generation wood, can be applicable to interior/exterior decoration occasion, be particularly useful for constructing outdoor hydrophilic view, there is huge economic benefit and environmental benefit.
To achieve these goals, technical scheme of the present invention is: the preparation method providing a kind of coconut fibre base wood-plastic composite material, comprises the steps:
1) raw material preparation: waste PE bottle cap, through broken and drying process, being prepared into particle diameter is 40 ~ 100 object waste PE particles; Collect nature come off and eat rear discarded coconut, through peeling off, pressure break is loose, drying and dehydrating, hammer are broken, grinding step, and preparing particle diameter is 50 ~ 100 object coconut fibres;
(2) high mixed: to be 50 ~ 75% coconut fibres by step (1) weight ratio, 15 ~ 30% waste PE particles and 10 ~ 20% auxiliary agents mix by a certain percentage in homogenizer, obtain the high batch mixing of modification;
(3) granulation: described for step (2) high batch mixing is carried out granulation in conical-double-helical rod tablets press, obtains granulation material;
(4) extrude: step (3) described granulation material is extruded in an extruder, obtains wood plastic composite;
(5) later stage surface working: step (4) described wood plastic composite is carried out cooling and blocks, and the polishing of polishing sand or plucking are carried out to plate surface, the aftertreatment of hot stamping wood grain obtains finished product.
Described auxiliary agent comprises solubilizing agent 1.1% ~ 2.6%, coupling agent 1.3% ~ 2.3%, lubricant 1.2% ~ 2.4%, tinting material 0.8% ~ 1.5%, anti-microbial inoculum 1.2% ~ 2.5%, ultra-violet stabilizer 1.3% ~ 2.4%, dispersion agent 1.1% ~ 2.1%, oxidation inhibitor 1.0% ~ 2.1%, linking agent 1.0% ~ 2.1%.
Described lubricant is polyethylene wax, stearic acid, Zinic stearas, EBS.
Described solubilizing agent is maleic anhydride graft PP.
Described extruding adopts single screw extrusion machine to extrude, omnidistance Wen Du≤145 of forcing machine DEG C ~ 175 DEG C, wherein: 145 DEG C, a district ~ 165 DEG C, two 150 DEG C, districts ~ 170 DEG C, 155 DEG C ~ 175 DEG C, 3rd district, 156 DEG C ~ 175 DEG C, 4th district, 150 DEG C ~ 170 DEG C, 5th district, 145 DEG C ~ 165 DEG C, 6th district, 140 DEG C ~ 160 DEG C, 7th district, 130 DEG C ~ 157 DEG C, merging core district, die head 130 DEG C ~ 160 DEG C.
Beneficial effect of the present invention: test according to GB/T24508-2009 " wood-plastic floor board ", when the weight content of proof coconut fibre is 50 ~ 75%, coconut fibre base wood-plastic composite material physicals and mechanical property are even better than national standard as the indexs such as intensity, toughness, dimensional stability, the coefficient of expansion reach.
Embodiment
Embodiment 1
The making step of coconut fibre sill plastic composite section bar:
(1) raw material preparation: by waste PE bottle cap, prepare particle diameter 40 object particle through fragmentation and obtain waste PE particle after drying; Collect the coconut that comes off of nature or edible after the coconut that abandons through peeling off, to prepare particle diameter be 50 object coconut fibres to the operation such as pressure break is loose, drying and dehydrating, hammer are broken, grinding; Described coconut palm clothing is the mixture of coconut exocarp and mesocarp.
(2) high mixed: the ratio by step (1) described coconut fibre and waste PE particle and auxiliary agent being 50:30:20 by weight percentage, mixes, obtain high batch mixing in homogenizer.Auxiliary agent comprises solubilizing agent 2.6%, coupling agent 2.3%, lubricant 2.4%, tinting material 1.5%, anti-microbial inoculum 2.5%, ultra-violet stabilizer 2.4%, dispersion agent 2.1%, oxidation inhibitor 2.1%, linking agent 2.1%.
(3) granulation: adopt conical-double-helical rod tablets press, granulation is carried out to the high batch mixing described in step (2).
(4) particle input cone twin screw extruder extrusion moulding granulation obtained, cools, blocks;
(5) later stage surface working: the polishing of polishing sand or the process such as plucking, hot stamping wood grain are carried out to the described Wood-plastic composite section bar surface of step (4), obtains coconut fibre sill plastic composite section bar.
Embodiment 2
The making step of coconut fibre sill plastic composite section bar:
(1) raw material preparation: waste PE bottle cap be broken into 100 object particles and obtain waste PE particle after drying; Naturally the coconut come off or edible after the coconut that abandons through peeling off, pressure break is loose, drying and dehydrating, hammer are broken, to prepare particle diameter be 100 object coconut fibres for grinding etc.Described coconut palm clothing is the mixture of coconut exocarp and mesocarp.
(2) high mixed: the ratio by step (1) described coconut fibre and waste PE particle and auxiliary agent being 75:15:10 by weight percentage, mixes, obtain high batch mixing in homogenizer.Auxiliary agent comprises solubilizing agent 1.1%, coupling agent 1.3%, lubricant 1.2%, tinting material 0.8%, anti-microbial inoculum 1.2%, ultra-violet stabilizer 1.3%, dispersion agent 1.1%, oxidation inhibitor 1.0%, linking agent 1.0%.
(3) granulation: adopt conical-double-helical rod tablets press, granulation is carried out to the high batch mixing described in step (2).
(4) particle input cone twin screw extruder extrusion moulding granulation obtained, cools, blocks;
(5) later stage surface working: the polishing of polishing sand or the process such as plucking, hot stamping wood grain are carried out to the described Wood-plastic composite section bar surface of step (4), obtains coconut fibre sill plastic composite section bar.
Embodiment 3
The making step of coconut fibre sill plastic composite board:
(1) raw material preparation: waste PE bottle cap be broken into 70 object particles and obtain waste PE particle after drying; Naturally the coconut come off or edible after the coconut that abandons through peeling off, pressure break is loose, drying and dehydrating, hammer are broken, to prepare particle diameter be 80 object coconut fibres for grinding etc.Described coconut palm clothing is the mixture of coconut exocarp and mesocarp.
(2) high mixed: by the ratio of described for step (1) coconut fibre 65% and waste PE particle 20% and auxiliary agent 15%, to mix in homogenizer, obtain high batch mixing.Auxiliary agent comprises solubilizing agent 1.6%, coupling agent 1.8%, lubricant 2.0%, tinting material 1.3%, anti-microbial inoculum 2.2%, ultra-violet stabilizer 2.1%, dispersion agent 1.7%, oxidation inhibitor 1.2%, linking agent 1.1%,
(3) granulation: adopt conical-double-helical rod tablets press, granulation is carried out to the high batch mixing described in step (2).
(4) particle input cone twin screw extruder extrusion moulding granulation obtained, cools, blocks;
(5) later stage surface working: the polishing of polishing sand or the process such as plucking, hot stamping wood grain are carried out to the described Wood-plastic composite section bar surface of step (4), obtains coconut fibre sill plastic composite section bar.
Test to above-mentioned coconut fibre sill plastic composite board according to GB/T24508-2009 " wood-plastic floor board ", result data is as shown in table 1.
Table 1 coconut fibre sill of the present invention plastic composite section bar performance detection data
The present invention is directed to naturally come off at present coconut or edible after the coconut that abandons be difficult to the present situation of utilization, propose to adopt extrusion molding to prepare coconut fibre base wood-plastic composite material, for a large amount of coconut palm clothing and waste plastic provide an effective comprehensive Utilization Ways, product not only has excellent physicals, mechanical property, weather resistance, and from starting material extraction, Product processing, to product utilization and the treatment and disposal after utilizing thereof, all meet the theory of cleaner production, meet Sustainable development policies, there is good economic benefit and environmental benefit.
The present invention develops coconut resource, prepares coconut fibre, then is equipped with special technical recipe and production and processing technology, produces environment-friendly type decorating material;
Experiment prove, coconut fibre content 50% ~ 75% PE composite material, it is even also good than national standard that intensity, toughness, dimensional stability and coefficient of expansion index all meet national standard.
Above disclosedly be only preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (4)
1. a preparation method for coconut fibre base wood-plastic composite material, is characterized in that comprising the following steps:
(1) raw material preparation: waste PE bottle cap, through broken and drying process, being prepared into particle diameter is 40 ~ 100 object waste PE particles; Collect nature come off and eat rear discarded coconut, through peeling off, pressure break is loose, drying and dehydrating, hammer are broken, grinding step, and preparing particle diameter is 50 ~ 100 object coconut fibres;
(2) high mixed: to be 50 ~ 75% coconut fibres by step (1) weight ratio, 15 ~ 30% waste PE particles and 10 ~ 20% auxiliary agents mix by a certain percentage in homogenizer, obtain the high batch mixing of modification;
(3) granulation: described for step (2) high batch mixing is carried out granulation in conical-double-helical rod tablets press, obtains granulation material;
(4) extrude: step (3) described granulation material is extruded in an extruder, obtains wood plastic composite;
(5) later stage surface working: step (4) described wood plastic composite is carried out cooling and blocks, and the polishing of polishing sand or plucking are carried out to plate surface, the aftertreatment of hot stamping wood grain obtains finished product,
Described auxiliary agent is made up of solubilizing agent 1.1% ~ 2.6%, coupling agent 1.3% ~ 2.3%, lubricant 1.2% ~ 2.4%, tinting material 0.8% ~ 1.5%, anti-microbial inoculum 1.2% ~ 2.5%, ultra-violet stabilizer 1.3% ~ 2.4%, dispersion agent 1.1% ~ 2.1%, oxidation inhibitor 1.0% ~ 2.1%, linking agent 1.0% ~ 2.1%.
2. the preparation method of coconut fibre base wood-plastic composite material as claimed in claim 2, is characterized in that: described lubricant is polyethylene wax, stearic acid, Zinic stearas, EBS.
3. the preparation method of coconut fibre base wood-plastic composite material as claimed in claim 2, is characterized in that: described solubilizing agent is maleic anhydride graft PP.
4. the preparation method of coconut fibre base wood-plastic composite material as claimed in claim 1, it is characterized in that: described in extrude be adopt single screw extrusion machine extrude, omnidistance Wen Du≤145 of forcing machine DEG C ~ 175 DEG C, wherein: 145 DEG C, a district ~ 165 DEG C, two 150 DEG C, districts ~ 170 DEG C, 155 DEG C ~ 175 DEG C, 3rd district, 156 DEG C ~ 175 DEG C, 4th district, 150 DEG C ~ 170 DEG C, 5th district, 145 DEG C ~ 165 DEG C, 6th district, 140 DEG C ~ 160 DEG C, 7th district, 130 DEG C ~ 157 DEG C, merging core district, die head 130 DEG C ~ 160 DEG C.
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| CN201310011729.4A CN103030988B (en) | 2013-01-11 | 2013-01-11 | The preparation method of coconut fibre base wood-plastic composite material |
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| CN201310011729.4A CN103030988B (en) | 2013-01-11 | 2013-01-11 | The preparation method of coconut fibre base wood-plastic composite material |
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| CN103030988B true CN103030988B (en) | 2015-10-14 |
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| CN107353465A (en) * | 2017-05-27 | 2017-11-17 | 徐再 | A kind of elastic wood plastic composite with bonding mixing and preparation method thereof |
| CN111171589A (en) * | 2019-12-24 | 2020-05-19 | 海南昆仑新材料科技股份有限公司 | Coconut branch and leaf fiber-based wood-plastic composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1482166A (en) * | 2002-12-23 | 2004-03-17 | 北京欧尼克环保技术有限公司 | Wood plastic composite material and method for producing the same, method for producing panel and sheet made of wood plastic composite |
| CN101386709A (en) * | 2007-09-13 | 2009-03-18 | 上海国成塑料有限公司 | Wood-plastic composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1482166A (en) * | 2002-12-23 | 2004-03-17 | 北京欧尼克环保技术有限公司 | Wood plastic composite material and method for producing the same, method for producing panel and sheet made of wood plastic composite |
| CN101386709A (en) * | 2007-09-13 | 2009-03-18 | 上海国成塑料有限公司 | Wood-plastic composite material and preparation method thereof |
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Effective date of registration: 20170424 Address after: 571152 national high tech Zone, Hainan, Haikou, China (lion ridge), No. 267 Patentee after: Kunlun Hainan new materials Polytron Technologies Inc Address before: 570000 Haikou Industrial Zone, Guilin Economic Development Zone, Meilan District, Hainan, No. 5 Patentee before: Xiong Xueping |
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Denomination of invention: Preparation method for coconut fiber-based wood-plastic composite material Effective date of registration: 20190329 Granted publication date: 20151014 Pledgee: Bank of Hainan Limited by Share Ltd Pledgor: Kunlun Hainan new materials Polytron Technologies Inc Registration number: 2019460000006 |
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