CN105001657A - Environmentally-friendly wood fiber reinforced PVC composite template and production method thereof - Google Patents
Environmentally-friendly wood fiber reinforced PVC composite template and production method thereof Download PDFInfo
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- CN105001657A CN105001657A CN201410165145.7A CN201410165145A CN105001657A CN 105001657 A CN105001657 A CN 105001657A CN 201410165145 A CN201410165145 A CN 201410165145A CN 105001657 A CN105001657 A CN 105001657A
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Abstract
The invention relates to an environmentally-friendly wood fiber reinforced PVC composite template and a production method thereof. The environmentally-friendly wood fiber reinforced PVC composite template is produced from 60-80 parts of new polyvinyl chloride, 30-50 parts of a recovered material, 90-110 parts of wood powder and various chemical assistants. The method comprises the following steps: mixing pretreated wood powder, PVC resin and the various assistants in a high speed mixer until the temperature is 120DEG C; adding the obtained material into a single screw extruder, mixing, taking a certain mass of the plasticized mixture raw material, putting the plasticized mixture raw material in a die, and compacting at 160-180DEG C under a pressure of 400-1200t/m<2> for 5-10min; taking out the compacted material, and carrying out cold pressing on the compacted material in a cold press with the pressure of 200-600t/m<2> for 10-15min to realize die and composite template cooling setting; and taking out the set template, and warehousing the obtained finished template. The wood plastic template produced in the invention can be repeatedly used 20-30 times, and recovered plastics are used in the invention without separation or hydrolysis, so the template is an environmentally-friendly product, and the scrapped template can also be recycled.
Description
One, technical field
The invention belongs to the technical field of producing wood plastics composite template, particularly relate to a kind of preparation of environment-friendly type building wood plastics composite template.
Two, background technology
Wood plastic composite (Wood-Plastic Composites, be called for short WPC) be the class advanced composite material be in recent years surging forward both at home and abroad, the definition provided in ASTM standard " a kind ofly mainly contains material based on timber or fiber and the matrix material synthesized with plastics." that is, utilize the thermoplasticss such as PE, PP and PVC, replace common resin adhesive; as matrix resin; mix with a certain proportion of vegetable fibre, then through extruding, the plastics molding process such as mold pressing, the sheet material having timber and plastics performance concurrently produced or section bar.This material is mainly used in building material industry, furniture item, logistics packaging industry etc.
Polyvinyl chloride, being called for short PVC, is the universal thermoplastic resin of the excellent performance be polymerized under initiator effect by vinylchlorid.Be one of maximum plastics variety of China's output, bright in colour, corrosion-resistant, firm and durable, by adding softening agent, its hardness can significantly change.But its decomposition temperature is very close with its melt temperature, processes very difficult, various processing aid need be added, improve its processing characteristics.Because it has excellent mechanical property, insulating property etc., the product of polyvinyl chloride is almost applied to all trades and professions.But distance polyvinyl chloride starts production and selling on earth and has pass by more than 50 year, and initial product will inevitably be eliminated, present facing mankind be the polyvinyl chloride dead meal that pile up like a mountain.In the world, this mountain has exceeded 300,000,000 tons.Relevant department adds up, and the polyvinyl chloride scrap material of existing 260 ~ 2,900,000 tons is regarded garbage loading embeading now, and 600,000 tons of waste materials are incinerated, but only have 100,000 tons of waste materials to be recycled utilization.Obvious is that landfill or burning all cause great destruction to environment, can not solve root problem.Only have polyvinyl chloride wastes recycling, improve the added value that it is potential, turn waste into wealth, be only environmental protect and economic doulbe-sides' victory decision-making.
Chlorinatedpolyethylene, is called for short CPE, and be the saturated macromolecular material that the chlorinity that obtained through chlorination reaction by vinylchlorid is very high, be a kind of elastomerics, outward appearance is white uniformity particulate state amorphous solid.Due to the introducing of the saturated chlorine atom of macromolecular structure, CPE is made to have good flame retardant resistance, ozone resistance, weather resisteant, heat-resistant aging, oil-proofness, electrical property, chemical proofing.In addition CPE snappiness is good, and can melt mutually with other macromolecular materials, decomposition temperature is also higher.Owing to not containing double bond in CPE structure, be used as the impact modifier of PVC widely.
Wood powder pulverizes polishing by timber through disintegrating machine to obtain, and size is not etc.Wood powder is of many uses, is novel energy-saving environment-friendly raw material.Can be used as the raw material of the multiple products such as mosquito-repellent incense, leather, clothes, papermaking, electrical equipment, daily necessities, coating, cat litter, chemical industry, insulating material, exterior decorative materials, material of construction.Because its density is low, the weight in unit volume is less, and wood powder fiber can play the effect strengthening resin, so be widely used in this year preparing wood plastic building mould.
In existing wood plastic building mould, foaming formwork accounts for very large share, although can reduce the weight of template itself to a certain extent, for providing convenient in building construction process, can reduce the mechanical property of material to a certain extent, reducing work-ing life.In addition, the more difficult control of production technique.
Three, summary of the invention
The object of the invention is to effectively reclaim the wood plastic template in use for architecture of discarded igelite in conjunction with virgin material processability excellence.
Technical scheme of the present invention is: a kind of environment-friendly type xylon Reinforced PVC composite shuttering comprises the raw material of following weight proportioning: polyvinyl chloride virgin material 60-80 part, reclaimed materials 30-50 part, wood powder 90-110 part, chlorinatedpolyethylene 10-14 part, softening agent 15-25 part, internal lubricant 0.4-0.6 part, external lubricant 0.4-0.6 part, coupling agent 1.0-1.8 part, complex lead salt class stablizer 3-4 part.
Wherein, polyvinyl chloride total amount and wood powder remain the part by weight of 1: 1.
Described polyvinyl chloride refers to the polyvinyl chloride of PVC-SG7 type, wood powder is 60-100 object weedtree powder, chlorinated polyethylene elastomer refers to ACM-JP disclosed in CN200610007861.8, softening agent refers to o-phthalic acid dibutyl ester, internal lubricant refers to stearic acid, external lubricant refers to paraffin, and coupling agent refers to titanate coupling agent, and complex lead salt class stablizer refers to lead sulfate tribasic and dibasic lead phosphite.Described polyvinyl chloride and wood powder remain the part by weight of 1: 1.
The technical scheme two of invention, a kind of preparation method of environment-friendly type xylon Reinforced PVC composite shuttering, is characterized in that, comprise the steps:
Step 1, batching, step 1 specifically comprises again as follows step by step:
90-110 part wood powder is put into and is dissolved in containing 1.0-1.8 part titanate coupling agent acetone soln by step 11, soaks after 24 hours and takes out, for subsequent use after evaporation of solvent;
Pretreated 90-110 part wood powder and 15-25 part o-phthalic acid dibutyl ester drop in high-speed mixer and stir by step 12, when temperature is elevated to 60 DEG C, mix 2-3 minute;
Step 13 adds 0.4-0.6 part stearic acid under agitation, and 0.4-0.6 part paraffin is warming up to 80 DEG C, mixes 2 minutes;
Step 14 adds polyvinyl chloride virgin material 60-80 part under agitation, reclaimed materials 30-50 part, 10-14 part chlorinatedpolyethylene, lead sulfate tribasic 2-4 part, dibasic lead phosphite 1-2 part, mixes 4-5 minute when being warming up to 120 DEG C.
Four, embodiment
Below in conjunction with concrete example, the present invention will be further elaborated, and single the present invention is not limited to these embodiments.
Use formula of the present invention to produce a kind of preparation method of environment-friendly type xylon Reinforced PVC composite shuttering, comprise the steps:
Step 1, batching, step 1 specifically comprises again as follows step by step:
90-110 part wood powder is put into and is dissolved in containing 1.0-1.8 part titanate coupling agent acetone soln by step 11, soaks after 24 hours and takes out, for subsequent use after evaporation of solvent;
Pretreated 90-110 part wood powder and 15-25 part o-phthalic acid dibutyl ester drop in high-speed mixer and stir by step 12, when temperature is elevated to 60 DEG C, mix 2-3 minute;
Step 13 adds 0.4-0.6 part stearic acid under agitation, and 0.4-0.6 part paraffin is warming up to 80 DEG C, mixes 2 minutes;
Step 14 adds polyvinyl chloride virgin material 60-80 part under agitation, reclaimed materials 30-50 part, 10-14 part chlorinatedpolyethylene, lead sulfate tribasic 2-4 part, dibasic lead phosphite 1-2 part, mixes 4-5 minute when being warming up to 120 DEG C.
All mixed raw materials are put into intermediate bunker, preheating by step 2;
Step 3 single screw extrusion machine has extruded plasticizing;
Step 4 gets the good mixture material of the plasticizing of certain mass, puts into mould;
Pressure put into by mould by step 5 is 400 ~ 1200 tons/m
2, temperature is suppress at 160-180 DEG C after 5-10 minute to take out;
Mould is put into layer of colding pressing by step 6, at 200-600 ton/m
2pressure under to cold pressing 10-15 minute, make mould and composite shuttering cooling and shaping;
Stereotyped template is taken out by step 7, and finished product is put in storage.
Embodiment 1
The preparation method of environment-friendly type xylon Reinforced PVC composite shuttering: put into by 90 parts of 60-100 object weedtree powder and be dissolved in containing 1.2 parts of titanate coupling agent acetone solns, soaks after 24 hours and takes out, for subsequent use after evaporation of solvent; Pretreated 90 parts of wood powders and 20 parts of o-phthalic acid dibutyl esters are dropped in high-speed mixer and stirs, when temperature is elevated to 60 DEG C, mix 2-3 minute; Add 0.4 part of stearic acid under agitation, 0.4 part of paraffin is warming up to 80 DEG C, mixes 2 minutes; Add 60 parts of polyvinyl chloride under agitation, 30 parts of reclaimed materials, 10 parts of chlorinatedpolyethylenees, lead sulfate tribasic 3 parts, dibasic lead phosphite 1.5 parts, when being warming up to 120 DEG C, mix 4-5 minute.All mixed raw materials are put into intermediate bunker, preheating; Under the condition of 150 DEG C, plasticizing has been extruded with single screw extrusion machine; Get the mixture material that the plasticizing of certain mass is good, put into mould; Mould is put into the hot pressing layer of vulcanizing press, temperature be 175 DEG C, pressure is 800 tons/m
2condition under, suppress 6 minutes, compound be pressed into sheet material, material basic forming; Mould is put into layer of colding pressing, at 400 tons/m
2pressure system 10 minutes, makes mould and composite shuttering cooling and shaping; Stereotyped template taken out, finished product is put in storage.
Embodiment 2
The preparation method of environment-friendly type xylon Reinforced PVC composite shuttering: put into by 100 parts of 60-100 object weedtree powder and be dissolved in containing 1.4 parts of titanate coupling agent acetone solns, soaks after 24 hours and takes out, for subsequent use after evaporation of solvent; Pretreated 100 parts of wood powders and 25 parts of o-phthalic acid dibutyl esters are dropped in high-speed mixer and stirs, when temperature is elevated to 60 DEG C, mix 2-3 minute; Add 0.5 part of stearic acid under agitation, 0.5 part of paraffin is warming up to 80 DEG C, mixes 2 minutes; Add 60 parts of polyvinyl chloride under agitation, 40 parts of reclaimed materials, 12 parts of chlorinatedpolyethylenees, lead sulfate tribasic 3 parts, dibasic lead phosphite 1.5 parts, when being warming up to 120 DEG C, mix 4-5 minute.All mixed raw materials are put into intermediate bunker, preheating; Under the condition of 150 DEG C, plasticizing has been extruded with single screw extrusion machine; Get the mixture material that the plasticizing of certain mass is good, put into mould; Mould is put into the hot pressing layer of vulcanizing press, temperature be 175 DEG C, pressure is 800 tons/m
2condition under, suppress 6 minutes, compound be pressed into sheet material, material basic forming; Mould is put into layer of colding pressing, at 400 tons/m
2pressure system 10 minutes, makes mould and composite shuttering cooling and shaping; Stereotyped template taken out, finished product is put in storage.
Embodiment 3
The preparation method of environment-friendly type xylon Reinforced PVC composite shuttering: put into by 110 parts of 60-100 object weedtree powder and be dissolved in containing 1.8 parts of titanate coupling agent acetone solns, soaks after 24 hours and takes out, for subsequent use after evaporation of solvent; Pretreated 110 parts of wood powders and 25 parts of o-phthalic acid dibutyl esters are dropped in high-speed mixer and stirs, when temperature is elevated to 60 DEG C, mix 2-3 minute; Add 0.6 part of stearic acid under agitation, 0.6 part of paraffin is warming up to 80 DEG C, mixes 2 minutes; Add 60 parts of polyvinyl chloride under agitation, 50 parts of reclaimed materials, 14 parts of chlorinatedpolyethylenees, lead sulfate tribasic 4 parts, dibasic lead phosphite 2 parts, when being warming up to 120 DEG C, mix 4-5 minute.All mixed raw materials are put into intermediate bunker, preheating; Under the condition of 150 DEG C, plasticizing has been extruded with single screw extrusion machine; Get the mixture material that the plasticizing of certain mass is good, put into mould; Mould is put into the hot pressing layer of vulcanizing press, temperature be 175 DEG C, pressure is 800 tons/m
2condition under, suppress 6 minutes, compound be pressed into sheet material, material basic forming; Mould is put into layer of colding pressing, at 400 tons/m
2pressure system 10 minutes, makes mould and composite shuttering cooling and shaping; Stereotyped template taken out, finished product is put in storage.
Comparative example
The preparation method of environment-friendly type xylon Reinforced PVC composite shuttering: put into by 100 parts of 60-100 object weedtree powder and be dissolved in containing 1.4 parts of titanate coupling agent acetone solns, soaks after 24 hours and takes out, for subsequent use after evaporation of solvent; Pretreated 100 parts of wood powders and 25 parts of o-phthalic acid dibutyl esters are dropped in high-speed mixer and stirs, when temperature is elevated to 60 DEG C, mix 2-3 minute; Add 0.5 part of stearic acid under agitation, 0.5 part of paraffin is warming up to 80 DEG C, mixes 2 minutes; Add 80 parts of polyvinyl chloride under agitation, 20 parts of reclaimed materials, lead sulfate tribasic 3 parts, dibasic lead phosphite 1.5 parts, when being warming up to 120 DEG C, mix 4-5 minute.All mixed raw materials are put into intermediate bunker, preheating; Under the condition of 150 DEG C, plasticizing has been extruded with single screw extrusion machine; Get the mixture material that the plasticizing of certain mass is good, put into mould; Mould is put into the hot pressing layer of vulcanizing press, temperature be 175 DEG C, pressure is 800 tons/m
2condition under, suppress 6 minutes, compound be pressed into sheet material, material basic forming; Mould is put into layer of colding pressing, at 400 tons/m
2pressure system 10 minutes, makes mould and composite shuttering cooling and shaping; Stereotyped template taken out, finished product is put in storage.
Claims (4)
1. an environment-friendly type xylon Reinforced PVC composite shuttering, it is characterized in that, comprise the raw material of following weight proportioning: polyvinyl chloride virgin material 60-80 part, reclaimed materials 30-50 part, wood powder 90-110 part, chlorinatedpolyethylene 10-14 part, stearic acid 0.4-0.6 part, o-phthalic acid dibutyl ester 15-25 part, paraffin 0.4-0.6 part, titanate coupling agent 1.0-1.8 part, lead sulfate tribasic 2-4 part, dibasic lead phosphite 1-2 part.
2. a kind of environment-friendly type xylon Reinforced PVC composite shuttering according to claims 1, is characterized in that: described polyvinyl chloride and wood powder remain the part by weight of 1: 1.
3. a kind of environment-friendly type xylon Reinforced PVC composite shuttering according to claims 1 or 2, it is characterized in that: described polyvinyl chloride is PVC-SG7 type, use the reclaimed materials of 30-50 part, described wood powder particle diameter is 60-100 object weedtree powder, and length-to-diameter ratio is about 3: 1.
4. prepare a method for environment-friendly type xylon Reinforced PVC composite shuttering as claimed in claim 1, it is characterized in that, comprise the steps:
Step 1 is prepared burden;
All mixed raw materials are put into intermediate bunker, preheating by step 2;
Step 3 single screw extrusion machine has extruded plasticizing;
Step 4 gets the good mixture material of the plasticizing of certain mass, puts into mould;
Pressure put into by mould by step 5 is 400 ~ 1200 tons/m
2, temperature is suppress at 160-180 DEG C after 5-10 minute to take out;
Mould is put into layer of colding pressing by step 6, at 200-600 ton/m
2pressure under to cold pressing 10-15 minute, make mould and composite shuttering cooling and shaping;
Stereotyped template is taken out by step 7, and finished product is put in storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410165145.7A CN105001657A (en) | 2014-04-22 | 2014-04-22 | Environmentally-friendly wood fiber reinforced PVC composite template and production method thereof |
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| CN201410165145.7A CN105001657A (en) | 2014-04-22 | 2014-04-22 | Environmentally-friendly wood fiber reinforced PVC composite template and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348841A (en) * | 2015-12-14 | 2016-02-24 | 湖南工业大学 | Cedarwood fiber-based bio-composite material and preparation method thereof |
| CN105670164A (en) * | 2016-01-22 | 2016-06-15 | 南京施瓦乐新材料科技有限公司 | Novel composite bio-based building template material and system |
| CN106674793A (en) * | 2016-11-15 | 2017-05-17 | 安徽冠金绿可木业有限公司 | Preparation method capable of improving brittleness of PVC decorative board |
| CN107053697A (en) * | 2016-09-12 | 2017-08-18 | 青岛集威新材料科技有限公司 | A kind of continuous lod PVC building templates and forming method |
| CN109233136A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | A kind of wood powder modification regeneration polychloroethylene composition and preparation method thereof |
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| CN103319810A (en) * | 2013-06-17 | 2013-09-25 | 内蒙古亿利塑业有限责任公司 | Salix mongolica/polyvinyl chloride wood-plastic composite material and production method thereof |
| CN103665636A (en) * | 2013-11-27 | 2014-03-26 | 江阴匡时建材有限公司 | PVC (polyvinyl chloride) plastic building template |
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2014
- 2014-04-22 CN CN201410165145.7A patent/CN105001657A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103319810A (en) * | 2013-06-17 | 2013-09-25 | 内蒙古亿利塑业有限责任公司 | Salix mongolica/polyvinyl chloride wood-plastic composite material and production method thereof |
| CN103665636A (en) * | 2013-11-27 | 2014-03-26 | 江阴匡时建材有限公司 | PVC (polyvinyl chloride) plastic building template |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348841A (en) * | 2015-12-14 | 2016-02-24 | 湖南工业大学 | Cedarwood fiber-based bio-composite material and preparation method thereof |
| CN105670164A (en) * | 2016-01-22 | 2016-06-15 | 南京施瓦乐新材料科技有限公司 | Novel composite bio-based building template material and system |
| CN107053697A (en) * | 2016-09-12 | 2017-08-18 | 青岛集威新材料科技有限公司 | A kind of continuous lod PVC building templates and forming method |
| CN106674793A (en) * | 2016-11-15 | 2017-05-17 | 安徽冠金绿可木业有限公司 | Preparation method capable of improving brittleness of PVC decorative board |
| CN109233136A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | A kind of wood powder modification regeneration polychloroethylene composition and preparation method thereof |
| CN109233136B (en) * | 2017-07-10 | 2022-06-28 | 合肥杰事杰新材料股份有限公司 | Wood powder modified regenerated polyvinyl chloride composition and preparation method thereof |
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Application publication date: 20151028 |