CN102886908A - Novel production technology of environment-friendly wood-plastic composite floor - Google Patents
Novel production technology of environment-friendly wood-plastic composite floor Download PDFInfo
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Abstract
The invention provides a novel production technology of an environment-friendly wood-plastic composite floor. The novel production technology comprises the following steps: processing small leftover materials of wood and straws by drying and degreasing; then crushing the same to reach a fineness of 80 to 120 meshes; getting the fine powders which are served as the raw material, polrvinyl chloride (PVC), light calcium carbonate, calcium stearate, PVC processing aid, PVC foaming agent, PVC impacting modifying agent, compound stabilizer, plastic filler, baking soda, PE (Poly Ethylene) wax, stearic acid and PVC foaming conditioning agent; mixing the same at a high speed for 15 to 30 minutes at 100 to 120 DEG C based on rotating speed of the mixed materials of 600 revolutions per minute and feeding rotating speed of the equipment of 100 to 800 revolutions per minute, so as to obtain the mixed wood-plastic powder; then carrying out extrusion moulding on the mixed wood-plastic powder at a high temperature through a twin-screw extruder and a shaping die, so as to obtain a base plate; milling concave grooves and convex grooves on four surfaces of the base plate through double-end milling equipment; and carrying out coating and curing technology to print, so as to obtain the finished product of the wood-plastic floor. The wood-plastic composite floor provided by the invention is environment-friendly, waterproof, corrosion resistant, high in insect-proofing performance, high in mould-proofing performance, high in fire resistance, high in moisture retention, and convenient to mount.
Description
Technical field
The invention belongs to a kind of timber floor production technology, relate in particular to a kind of wood-plastic composite floor production technology.
Background technology
Wood-plastic composite panel be a kind of be basic material and thermoplastic macromolecule material (plastics) and processing aid etc. by timber (lignose, plant cellulose) mainly, the high-tech green material of making through die apparatus heating extrusion molding again after mixing, have performance and the feature of timber and plastics concurrently, can substitute the novel environment friendly hitech materials of timber and plastics.Wood-plastic composite panel is being accepted by people widely with advantages such as its intensity is good, hardness is high, the suction resilience is little, corrosion-resistant, recoverables, is the ideal material that substitutes the family expenses timber floor.
As everyone knows, there is a large amount of polar groups on the wood-fibred surface, and in the wood-plastic composite panel production process, it is poor to exist larger interface energy between hydrophily wood-fibred and the hydrophobic polymer, both are difficult to fully merge, thereby wood-fibred can not be uniformly dispersed in polymer.And these wood-fibreds cause stress to be concentrated under the effect of external force easily, so that behind the absorption of the wood powder in the wood-plastic composite panel moisture, produce resilience, thus affect the service property (quality) of wood-plastic composite panel.And in order to solve wood-plastic composite panel suction resilience problem, the ratio that generally needs to strengthen plastics is improved, but has increased again thus the cost of material, makes it be difficult to wide popularization and application.And the ratio of plastics will relatively be not suitable for as floor of wood in the increase wood-plastic composite panel, because the plastics ratio is larger, elastic properties of materials is just less, and feel is just poorer.
Chinese invention patent application number: 200910099804.0, name of patent application is for disclosing a kind of production method of wood-plastic composite floor in the application for a patent for invention of " production method of wood-plastic composite floor ", may further comprise the steps: with 200～240 ℃ temperature wood powder is carried out charing and process, processing time is 5～15min, obtains modified wood powder; With modified wood powder 50～70 weight portions and the mixing preplasticizing of molding powder 30～50 weight portions, obtain wood and mould mixed powder; The wood that obtains is moulded mixed powder put into extruder, by die head wood is moulded mixed powder and extrude and be sheet profile, be wood-plastic clad plate; With the wood-plastic clad plate cooling and shaping, and delayed menstrual period, processing namely obtained wood-plastic composite floor.Use although adopt the Wood-plastic floor of this structure also can substitute to a certain extent traditional timber floor, also there are the following problems: the Wood-plastic floor ratio of briquetting is low, easily fracture, and service life is short, and waterproof anti-corrosion performance is also relatively poor simultaneously.
Summary of the invention
The present invention aims to provide the zero-emission of a kind of environmental protection formaldehyde, waterproof corrosion resistant, Vermins-proof mildew-proof, good flame resistance, performance of keeping humidity wood-plastic composite floor strong, easy for installation.
The technical solution adopted in the present invention is: a kind of novel environment friendly wood-plastic composite floor production technology, it comprises the steps:
(1) raw material is processed: after waste wood processing offal, at first drying processing of crop stalk, the ungrease treatment, be ground into the fine powder raw material, fineness reaches 80 to 120 orders.
(2) the fine powder raw material mixes: getting the fine powder raw material is: 17 ∽, 25 percentage by weights, polyvinyl chloride (PVC) weight 40 ∽ 50 percentages, precipitated calcium carbonate 22 ∽ 25 percentage by weights, calcium stearate 0.15 ∽ 0.25 percentage by weight, PVC processing aid 1 ∽ 2 percentage by weights, PVC blowing agent 0.2 ∽ 0.5 percentage by weight, PVC draws impact modifier 3 ∽ 6 percentage by weights, compound stabilizer 1.5 ∽ 4 percentage by weights, filler for plastic 1 ∽ 3 percentage by weights, sodium bicarbonate 0.15 percentage by weight, cured 0.3 ∽ of PE 0.5 percentage by weight, stearic acid 0.7 percentage by weight, PVC foaming control agent 3 ∽ 6 percentage by weights, through mixed at high speed, 120 ℃ of mixing temperature 100 ∽, the rotating speed of batch mixing is 600 rev/mins, incorporation time 15 ∽ 30 minutes, 800 rev/mins of feeding rotating speed 100 ∽ of equipment obtain wood and mould mixed powder.
(3) wood is moulded the mixed powder moulding: wood is moulded mixed powder through double screw extruder and the extrusion molding of shaper high temperature, machine barrel and mold temperature are 190 ℃ of 150 ∽, vacuum is 0.3 ∽ 0.9Mpa, 950 rev/mins of engine speed 100 ∽, again behind shaper moulding, water-cooled, traction, cutting action, make the Wood-plastic floor substrate, in the distraction procedure, hauling speed is 2.0 m/mins of 0.5 ∽.
(4) board finished product processing: the Wood-plastic floor substrate is through two-ends milling machine equipment, mill out the four sides male and female groove of substrate after, be printed as the Wood-plastic floor finished product by coated solidified technique.
In the described raw material treatment step, the fine powder material fineness reaches 80 to 120 orders.
In the described ground board finished product procedure of processing, coated solidified technique is for carrying out first sanding and the dust removal process of substrate, increase the adhesive force of priming paint, again to the sanding of substrate list roller priming paint, the priming paint spraying that continuous 5 ∽ 9 times, after the priming paint spraying is solidified, carrying out sanding processes again, through the priming paint spraying of 5 ∽ 9 times solidify and sanding after, carry out again dust removal process by three look printing machines, three look stamps, semi-solid preparation, polishing, again drench before the roller coat finish paint, through the flow coating machine levelling, roller coating finish paint after solidifying again, after four lamps solidify again, make finished product.
Described PVC processing aid is a kind of in methyl methacrylate/acrylic acid ester copolymer, methyl methacrylate/styrol copolymer, the acrylonitrile/styrene.
Described PVC blowing agent is the two benzene sulfonephthalein traps (OBSH) of Celogen Az (AC), azodiisobutyronitrile (AMV), oxo, a kind of in toluene sulfonephthalein amine (TSH) and the dimethyl dinitroso terephthaldehyde phthalein amine (DMDNT).
It is a kind of in haloflex (CPE), acrylic polymer (ACR), methyl methacrylate-butadiene-styrol copolymer (MBS), s-B-S ternary block polymer (SBS), Acrylonitrile-butadiene-styrene Copolymer (ABS), the ethene-acetate ethylene copolymer (EVA) that PVC draws impact modifier.
Compound stabilizer is complex lead salt stabilizer.
Filler for plastic is a kind of in inorganic filler or the organic filler.
The invention has the beneficial effects as follows: wood-plastic composite floor environmental protection (formaldehyde zero-emission), waterproof corrosion resistant, Vermins-proof mildew-proof, good flame resistance, performance of keeping humidity are strong, easy for installation.
The specific embodiment
The specific embodiment of the invention only is to specific explanations of the present invention; it is not the restriction to invention; those skilled in the art are after reading this specification; can make the modification that does not have creative contribution to present embodiment as required, but as long as in claim scope of the present invention, all should be subject to the protection of national patent method.
Embodiment 1: a kind of novel environment friendly wood-plastic composite floor production technology, it comprises the steps:
(1) raw material is processed: after waste wood processing offal, at first drying processing of crop stalk, the ungrease treatment, be ground into the fine powder raw material, fineness reaches 80 to 120 orders.
(2) the fine powder raw material mixes: getting the fine powder raw material is: 17 percentage by weights, polyvinyl chloride (PVC) weight 40 percentages, precipitated calcium carbonate 25 percentage by weights, calcium stearate 0.15 percentage by weight, PVC processing aid 2 percentage by weights, PVC blowing agent 0.5 percentage by weight, PVC draws impact modifier 6 percentage by weights, compound stabilizer 4 percentage by weights, filler for plastic 1 percentage by weight, sodium bicarbonate 0.15 percentage by weight, cured 0.5 percentage by weight of PE, stearic acid 0.7 percentage by weight, PVC foaming control agent 3 percentage by weights, through mixed at high speed, 100 ℃ of mixing temperatures, the rotating speed of batch mixing is 600 rev/mins, incorporation time 15 minutes, 100 rev/mins of the feeding rotating speeds of equipment obtain wood and mould mixed powder.
(3) wood is moulded the mixed powder moulding: wood is moulded mixed powder through double screw extruder and the extrusion molding of shaper high temperature, machine barrel and mold temperature are 150 ℃, vacuum is 0.3Mpa, 100 rev/mins of engine speeds, again behind shaper moulding, water-cooled, traction, cutting action, make the Wood-plastic floor substrate, in the distraction procedure, hauling speed is 0.5 m/min.
(4) board finished product processing: the Wood-plastic floor substrate is through two-ends milling machine equipment, after milling out the four sides male and female groove of substrate, carry out first sanding and the dust removal process of substrate, increase the adhesive force of priming paint, again to the sanding of substrate list roller priming paint, continuous 5 times priming paint spraying, after the priming paint spraying is solidified, carry out again sanding and process, through 5 times priming paint spraying solidify and sanding after, carry out again dust removal process by three look printing machines, three look stamps, semi-solid preparation, polishing, again drench before the roller coat finish paint, through the flow coating machine levelling, roller coating finish paint after solidifying again after four lamps solidify again, makes the Wood-plastic floor finished product.
Embodiment 2: a kind of novel environment friendly wood-plastic composite floor production technology, it comprises the steps:
(1) raw material is processed: after waste wood processing offal, at first drying processing of crop stalk, the ungrease treatment, be ground into the fine powder raw material, fineness reaches 80 to 120 orders.
(2) the fine powder raw material mixes: getting the fine powder raw material is: 25 percentage by weights, polyvinyl chloride (PVC) weight 40 percentages, precipitated calcium carbonate 22 percentage by weights, calcium stearate 0.15 percentage by weight, PVC processing aid 2 percentage by weights, PVC blowing agent 0.5 percentage by weight, PVC draws impact modifier 3 percentage by weights, compound stabilizer 2 percentage by weights, filler for plastic 1 percentage by weight, sodium bicarbonate 0.15 percentage by weight, cured 0.5 percentage by weight of PE, stearic acid 0.7 percentage by weight, PVC foaming control agent 3 percentage by weights, through mixed at high speed, 120 ℃ of mixing temperatures, the rotating speed of batch mixing is 600 rev/mins, incorporation time 15 minutes, 800 rev/mins of the feeding rotating speeds of equipment obtain wood and mould mixed powder.
(3) wood is moulded the mixed powder moulding: wood is moulded mixed powder through double screw extruder and the extrusion molding of shaper high temperature, machine barrel and mold temperature are 190 ℃, vacuum is 0.9Mpa, 950 rev/mins of engine speeds, again behind shaper moulding, water-cooled, traction, cutting action, make the Wood-plastic floor substrate, in the distraction procedure, hauling speed is 2 m/mins.
(4) board finished product processing: the Wood-plastic floor substrate is through two-ends milling machine equipment, after milling out the four sides male and female groove of substrate, carry out first sanding and the dust removal process of substrate, increase the adhesive force of priming paint, again to the sanding of substrate list roller priming paint, continuous 9 times priming paint spraying, after the priming paint spraying is solidified, carry out again sanding and process, through 9 times priming paint spraying solidify and sanding after, carry out again dust removal process by three look printing machines, three look stamps, semi-solid preparation, polishing, again drench before the roller coat finish paint, through the flow coating machine levelling, roller coating finish paint after solidifying again after four lamps solidify again, makes the Wood-plastic floor finished product.
Embodiment 3: a kind of novel environment friendly wood-plastic composite floor production technology, it comprises the steps:
(1) raw material is processed: after waste wood processing offal, at first drying processing of crop stalk, the ungrease treatment, be ground into the fine powder raw material, fineness reaches 80 to 120 orders.
(2) the fine powder raw material mixes: getting the fine powder raw material is: 17 percentage by weights, polyvinyl chloride (PVC) weight 50 percentages, precipitated calcium carbonate 22 percentage by weights, calcium stearate 0.15 percentage by weight, PVC processing aid 1 percentage by weight, PVC blowing agent 0.5 percentage by weight, PVC draws impact modifier 3 percentage by weights, compound stabilizer 2 percentage by weights, filler for plastic 1 percentage by weight, sodium bicarbonate 0.15 percentage by weight, cured 0.5 percentage by weight of PE, stearic acid 0.7 percentage by weight, PVC foaming control agent 3 percentage by weights, through mixed at high speed, 110 ℃ of mixing temperatures, the rotating speed of batch mixing is 600 rev/mins, incorporation time 15 minutes, 600 rev/mins of the feeding rotating speeds of equipment obtain wood and mould mixed powder.
(3) wood is moulded the mixed powder moulding: wood is moulded mixed powder through double screw extruder and the extrusion molding of shaper high temperature, machine barrel and mold temperature are 160 ℃, vacuum is 0.7Mpa, 600 rev/mins of engine speeds, again behind shaper moulding, water-cooled, traction, cutting action, make the Wood-plastic floor substrate, in the distraction procedure, hauling speed is 1 m/min.
(4) board finished product processing: the Wood-plastic floor substrate is through two-ends milling machine equipment, after milling out the four sides male and female groove of substrate, carry out first sanding and the dust removal process of substrate, increase the adhesive force of priming paint, again to the sanding of substrate list roller priming paint, continuous 8 times priming paint spraying, after the priming paint spraying is solidified, carry out again sanding and process, through 8 times priming paint spraying solidify and sanding after, carry out again dust removal process by three look printing machines, three look stamps, semi-solid preparation, polishing, again drench before the roller coat finish paint, through the flow coating machine levelling, roller coating finish paint after solidifying again after four lamps solidify again, makes the Wood-plastic floor finished product.
Claims (7)
1. a novel environment friendly wood-plastic composite floor production technology is characterized in that: comprise the steps:
(1) raw material is processed: after waste wood processing offal, at first drying processing of crop stalk, the ungrease treatment, be ground into the fine powder raw material, fineness reaches 80 to 120 orders;
(2) the fine powder raw material mixes: getting the fine powder raw material is: 17 ∽, 25 percentage by weights, polyvinyl chloride (PVC) weight 40 ∽ 50 percentages, precipitated calcium carbonate 22 ∽ 25 percentage by weights, calcium stearate 0.15 ∽ 0.25 percentage by weight, PVC processing aid 1 ∽ 2 percentage by weights, PVC blowing agent 0.2 ∽ 0.5 percentage by weight, PVC draws impact modifier 3 ∽ 6 percentage by weights, compound stabilizer 1.5 ∽ 4 percentage by weights, filler for plastic 1 ∽ 3 percentage by weights, sodium bicarbonate 0.15 percentage by weight, cured 0.3 ∽ of PE 0.5 percentage by weight, stearic acid 0.7 percentage by weight, PVC foaming control agent 3 ∽ 6 percentage by weights, through mixed at high speed, 120 ℃ of mixing temperature 100 ∽, the rotating speed of batch mixing is 600 rev/mins, incorporation time 15 ∽ 30 minutes, 800 rev/mins of feeding rotating speed 100 ∽ of equipment obtain wood and mould mixed powder;
(3) wood is moulded the mixed powder moulding: wood is moulded mixed powder through double screw extruder and the extrusion molding of shaper high temperature, machine barrel and mold temperature are 190 ℃ of 150 ∽, vacuum is 0.3 ∽ 0.9Mpa, 950 rev/mins of engine speed 100 ∽, again behind shaper moulding, water-cooled, traction, cutting action, make the Wood-plastic floor substrate, in the distraction procedure, hauling speed is 2.0 m/mins of 0.5 ∽;
(4) board finished product processing: the Wood-plastic floor substrate is through two-ends milling machine equipment, mill out the four sides male and female groove of substrate after, be printed as the Wood-plastic floor finished product by coated solidified technique.
2. a kind of novel environment friendly wood-plastic composite floor production technology according to claim 1, it is characterized in that: in the described ground board finished product procedure of processing, coated solidified technique is for carrying out first sanding and the dust removal process of substrate, increase the adhesive force of priming paint, again to the sanding of substrate list roller priming paint, the priming paint spraying that continuous 5 ∽ 9 times, after the priming paint spraying is solidified, carry out again sanding and process, through the priming paint spraying of 5 ∽ 9 times solidify and sanding after, carry out again dust removal process by three look printing machines, three look stamps, semi-solid preparation, polishing, roller coat finish paint before drenching again, through the flow coating machine levelling, roller coating finish paint after solidifying again after four lamps solidify again, makes finished product.
3. a kind of novel environment friendly wood-plastic composite floor production technology according to claim 1 is characterized in that: described PVC processing aid is a kind of in methyl methacrylate/acrylic acid ester copolymer, methyl methacrylate/styrol copolymer, the acrylonitrile/styrene.
4. a kind of novel environment friendly wood-plastic composite floor production technology according to claim 1 is characterized in that: described described PVC blowing agent is Celogen Az (AC), azodiisobutyronitrile (AMV), the two benzene sulfonephthalein traps (OBSH) of oxo, a kind of in toluene sulfonephthalein amine (TSH) and the dimethyl dinitroso terephthaldehyde phthalein amine (DMDNT).
5. a kind of novel environment friendly wood-plastic composite floor production technology according to claim 1 is characterized in that: it is a kind of in haloflex (CPE), acrylic polymer (ACR), methyl methacrylate-butadiene-styrol copolymer (MBS), s-B-S ternary block polymer (SBS), Acrylonitrile-butadiene-styrene Copolymer (ABS), the ethene-acetate ethylene copolymer (EVA) that described PVC draws impact modifier.
6. a kind of novel environment friendly wood-plastic composite floor production technology according to claim 1, it is characterized in that: described compound stabilizer is complex lead salt stabilizer.
7. a kind of novel environment friendly wood-plastic composite floor production technology according to claim 1 is characterized in that: described filler for plastic is a kind of in inorganic filler or the organic filler.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265768A (en) * | 2013-05-10 | 2013-08-28 | 徐晓龙 | Production method of wood-plastic floorboard |
| CN103624858A (en) * | 2013-12-13 | 2014-03-12 | 惠州市新金马家具制造有限公司 | Piano stoving varnish furniture production technology |
| CN105885302A (en) * | 2016-06-28 | 2016-08-24 | 威海市和光地板有限公司 | Floor board with environment-friendly, waterproof and flame-retardant functions and preparation method thereof |
| CN106016418A (en) * | 2016-06-28 | 2016-10-12 | 威海市和光地板有限公司 | Solar energy wall-hanging boiler heat supply system |
| CN107130767A (en) * | 2017-04-18 | 2017-09-05 | 安徽优胜美塑胶有限公司 | A kind of preparation method of Wood-plastic floor |
| CN107619552A (en) * | 2017-09-21 | 2018-01-23 | 宿州市澳饰龙装饰材料有限公司 | A kind of high intensity skirting and preparation method thereof |
| CN108162624A (en) * | 2017-12-26 | 2018-06-15 | 浙江王斌装饰材料有限公司 | A kind of PVC lines water transfer prepares processing technology |
| CN110103438A (en) * | 2019-04-09 | 2019-08-09 | 佛山市夏凡尼家具有限公司 | A kind of wood moulding cladding shutter board heating extruding forming method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103265768A (en) * | 2013-05-10 | 2013-08-28 | 徐晓龙 | Production method of wood-plastic floorboard |
| CN103265768B (en) * | 2013-05-10 | 2015-06-03 | 徐晓龙 | Production method of wood-plastic floorboard |
| CN103624858A (en) * | 2013-12-13 | 2014-03-12 | 惠州市新金马家具制造有限公司 | Piano stoving varnish furniture production technology |
| CN103624858B (en) * | 2013-12-13 | 2016-02-10 | 惠州市新金马家具制造有限公司 | A kind of piano baking vanish furniture production technology |
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| CN107619552A (en) * | 2017-09-21 | 2018-01-23 | 宿州市澳饰龙装饰材料有限公司 | A kind of high intensity skirting and preparation method thereof |
| CN108162624A (en) * | 2017-12-26 | 2018-06-15 | 浙江王斌装饰材料有限公司 | A kind of PVC lines water transfer prepares processing technology |
| CN110103438A (en) * | 2019-04-09 | 2019-08-09 | 佛山市夏凡尼家具有限公司 | A kind of wood moulding cladding shutter board heating extruding forming method |
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Application publication date: 20130123 |