CN102408648B - High-filling PVC (polyvinyl chloride) wood plastic foamed floor and preparation method thereof - Google Patents
High-filling PVC (polyvinyl chloride) wood plastic foamed floor and preparation method thereof Download PDFInfo
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- CN102408648B CN102408648B CN201110318224.3A CN201110318224A CN102408648B CN 102408648 B CN102408648 B CN 102408648B CN 201110318224 A CN201110318224 A CN 201110318224A CN 102408648 B CN102408648 B CN 102408648B
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Abstract
The invention discloses a high-filling PVC (polyvinyl chloride) wood plastic foamed floor and a preparation method thereof. The wood plastic foamed floor is prepared from plastics, an organic filler, an auxiliary, a modifier, a foaming agent and other raw materials, wherein the parts by weight of the raw materials are shown in the specification. After being heated and fused by thermal forming equipment, the wood plastic foamed floor is foamed in a forming die of a special structure to obtain a novel wood plastic foamed floor product with continuously and uniformly distributed foamed micropores. The PVC wood plastic foamed floor provided by the invention has the advantages of light weight, high specific strength, water tightness, corrosion resistance and heat preservation, and also can be nailed, sawed and planed just like wood; and in addition, the PVC wood plastic foamed floor has low processing and formula cost and can be widely applied to the markets of building, transporting, packaging, domestic decoration and daily necessities.
Description
Technical field
The invention belongs to Wood-plastic material technical field, relate to a kind of high filled PVC wood-plastic foamed floor and preparation method thereof.
Background technology
Contriver had once submitted a patent application about plastic-wood section (application number is 00132561.2) and has submitted a patent application about Wood-plastic foam material and processing and forming technology thereof (application number is 00132561.2) in December, 2002 in November, 2000.Further research and development of products and user's feedback information shows, the density of profiled material prepared by the former related non-foaming wood-plastic matrix material is generally in 1.1-1.4 left and right, make material deadweight higher, cannot meet lightweight, shock resistance, high heat insulation requirement, product cost is high simultaneously, is unfavorable for the marketing of product; The filler addition of the PVC Wood-plastic foam material that the latter is related is only 10-20 part, and product density is about 0.9 g/cm
3, its material exists cost higher, the defect that volume recovery is low; In fire resistance, there is wretched insufficiency in polyolefine wood-plastic foam material related in prior art.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of high filled PVC wood-plastic foamed floor and processing and forming technology thereof, high to solve the cost of current plastic-wood material, the defect of poor performance.
For achieving the above object, the invention provides a kind of high filled PVC wood-plastic foamed floor, described high filled PVC wood-plastic foamed floor is made by the raw material of following parts by weight, and concrete ratio and raw material are as follows:
100 parts, plastics;
Organic filler 90-100 part;
Mineral filler 2-5 part;
Coupling agent 1.0-1.5 part;
One package stabilizer 5-7 part;
Composite foamable agent 1.0-1.5 part;
Frothing aid 6-8 part.
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said plastics are the universal polyvinyl chloride (PVC) RESINS of suspension method, and its K value is 61, and the polymerization degree is 750 ~ 850.
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said organic filler is water content≤8%, particle diameter 40 order ~ 60 objects are granular or fibrous powdered rice hulls or wood chips, bamboo bits, farm crop tangerine bar powder, beans, W-Gum, cotton shell, nut duricrust or coconut husk.
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said mineral filler is industrial precipitator method calcium carbonate (particle diameter 325 orders, white powder) or talcum powder.
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said one package stabilizer is PVC calcium-zinc composite stabilizing agent (calcium stearate, Zinic stearas, hydrotalcite, polyethylene wax, stearic acid, oxidation inhibitor or oxidized polyethlene wax mixture) or lead salt one package stabilizer (dibasic Lead Phosphite, lead stearate, tribasic lead sulfate, polyethylene wax, stearic acid, oxidation inhibitor or oxidized polyethlene wax mixture).
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said coupling agent is silane coupling agent or aluminium titante coupling agent.
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said composite foamable agent is the mixture of Cellmic C 121, sodium bicarbonate and zinc oxide.
As the preferred version of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said frothing aid is the acrylic acid esters co-polymer of molecular weight between 5,000,000-6,000,000.
The present invention also provides a kind of preparation method of high filled PVC wood-plastic foamed floor, said method comprising the steps of:
A, by above-mentioned parts by weight, take respectively following raw material: 100 parts, plastics; Organic filler 90-100 part; Mineral filler 2-5 part; Coupling agent 1.0-1.5 part; One package stabilizer 5-7 part; Composite foamable agent 1.0-1.5 part; Frothing aid 6-8 part;
B, organic filler is added in high speed mixing smelting machine, at 110-120 ℃ of temperature, by described organic filler baking 8-10 minute, then add coupling agent activation organic filler 5 minutes, enter and be coldly mixedly cooled to room temperature, discharge cold standby after mixed;
B, organic filler is added in high speed mixing smelting machine, at 110-120 ℃ of temperature, described organic filler is dried to 8-10 minute, then add coupling agent activation organic filler 5 minutes, enter the cold room temperature of mix and being cooled to, discharge cold mixed standby afterwards;
C, startup height mix, the plastics that take and one package stabilizer are dropped into high mixed by feeding system, high-speed stirring and material is warming up to after 90 ℃, by activated organic filler and frothing aid add simultaneously high mix and continue to be mixed to 110 ℃ after add composite foamable agent, continuing to be mixed to 115-125 ℃ enters after cold mixing, while being fully cooled to below 40 ℃ through stirring, entering that truck becomes can foam mixture;
Compound requires: outward appearance is uniformly dispersed, and color and luster is consistent, there is no the phenomenons such as conglomeration, variable color; Water-content should be controlled at below 1%; The bulk density of compound should be controlled at 0.65 ~ 0.75g/ml;
D, gained can foam mixture be dropped in forcing machine hopper, through forcing machine, extrude, by foaming mould foaming, by obtaining the described high wood-plastic foamed floor of filling after stock mould cooling and shaping.
Preferred version as the preparation method of above-mentioned a kind of high filled PVC wood-plastic foamed floor, wherein said foaming mould is releasing pattern progressively, die gap magnification from 1.5-2.5 doubly, according to different foaming floor desired density, determine burst size, extruded foaming materials is through cooling and shaping sync pulling, customized cut-off becomes desired size, and foam material density is at 0.6-0.75g/cm
3between.
The present invention has the following advantages:
1, high filled PVC wood-plastic foamed floor provided by the present invention, has that light weight, specific tenacity are high, an advantage such as waterproof, anticorrosion, insulation, and the processing characteristic that has timber can follow closely, can saw and can dig;
2, high filled PVC wood-plastic foamed floor provided by the present invention, can be widely used in building, transportation, packing, home decoration and daily necessities market;
3, high filled PVC wood-plastic foamed floor provided by the present invention, has the distinguishing feature that formulation cost is low, density of material is low, can significantly reduce the comprehensive cost on floor, has the high market competitiveness.
Embodiment
Below in conjunction with specific embodiment, the present invention is further detailed.
Embodiment 1
A kind of preparation method of high filled PVC wood-plastic foamed floor comprises the following steps:
A, take following raw material respectively: 100 parts of polyvinyl chloride (being called for short PVC), 100 parts of powdered rice hulls, 5 parts of mineral fillers, 1.5 parts of coupling agents, 7 parts of one package stabilizers, 1.5 parts of composite foamable agents, 8 parts of frothing aids;
B, 100 parts of powdered rice hulls are added in high speed mixing smelting machine, at 110-120 ℃ of temperature, by this powdered rice hulls baking 8-10 minute, then add 1.5 parts of coupling agents to activate this powdered rice hulls 5 minutes, enter and be coldly mixedly cooled to room temperature, discharge cold standby after mixed;
C, startup height mix, the 100 parts of PVC and the 7 parts of one package stabilizers that take are dropped into high mixed by feeding system, high-speed stirring is warming up to material after 90 ℃ 100 parts of activated powdered rice hulls, 5 parts of mineral fillers and 8 parts of frothing aids is added simultaneously and highly mixedly add 1.5 parts of composite foamable agents after continuing to be mixed to 110 ℃, continuing to be mixed to 115-125C enters after cold mixing, while being fully cooled to below 40 ℃ through stirring, entering that truck becomes can foam mixture;
D, this can foam mixture be dropped in Φ 65/132 conical double screw extruder, through forcing machine, extrude;
Wherein,
Heating temperature: 165 ℃, a district, 170 ℃, 2nd district, 175 ℃, 3rd district, 180 ℃, 4th district, 170 ℃ of merging cores, 180 ℃ of heads;
Melt pressure: 12-15Mpa;
Melt temperature: 165-170 ℃;
Engine speed: 10-15rpm/min;
The forming mould foaming designing by special construction, after shaping cover is cooling, shape, be shaped to the Wood-plastic foam product (that is, 32 Hollow floors) with continuous uniform distribution foaming micropore of definite shape, the heavy 2.55-2.65kg/m of product rice, density is 0.7-0.75 g/cm
3.
Embodiment 2
A kind of preparation method of high filled PVC wood-plastic foamed floor comprises the following steps:
A, take following raw material respectively: 100 parts of polyvinyl chloride (being called for short PVC), 90 parts of powdered rice hulls, 2 parts of mineral fillers, 1.0 parts of coupling agents, 5 parts of one package stabilizers, 1.0 parts of composite foamable agents, 6 parts of frothing aids;
B, 100 parts of powdered rice hulls are added in high speed mixing smelting machine, at 110-120 ℃ of temperature, by this powdered rice hulls baking 8-10 minute, then add 1.0 parts of coupling agents to activate this powdered rice hulls 5 minutes, enter and be coldly mixedly cooled to room temperature, discharge cold standby after mixed;
C, startup height mix, the 100 parts of PVC and the 5 parts of one package stabilizers that take are dropped into high mixed by feeding system, high-speed stirring is warming up to material after 90 ℃ 100 parts of activated powdered rice hulls, 2 parts of mineral fillers and 6 parts of frothing aids is added simultaneously and highly mixedly add 1.0 parts of composite foamable agents after continuing to be mixed to 110 ℃, continuing to be mixed to 115-125 ℃ enters cold mixed, compound enters after cold mixing, while being fully cooled to below 40 ℃ through stirring, entering that truck becomes can foam mixture;
D, this can foam mixture be dropped in Φ 65/132 conical double screw extruder;
Wherein,
Heating temperature: 165 ℃, a district, 170 ℃, 2nd district, 175 ℃, 3rd district, 180 ℃, 4th district, 170 ℃ of merging cores, 178 ℃ of heads;
Melt pressure: 10-13Mpa;
Melt temperature: 165-170 ℃;
Engine speed: 10-15rpm/min;
The forming mould foaming designing by special construction, after shaping cover is cooling, shape, be shaped to the Wood-plastic foam product (that is, 26 real core floors) with continuous uniform distribution foaming micropore of definite shape, the heavy 2.30-2.40kg/m of product rice, density is 0.6-0.65 g/cm
3.
Above-described embodiment does not limit the scope of the invention, and all equivalent modifications of doing without departing from theon the basis of the spirit of the present invention and improvement etc., all should in like manner belong to scope of patent protection of the present invention.
Claims (5)
1. a high filled PVC wood-plastic foamed floor, is characterized in that, described Wood-plastic foam material is made by the raw material of following parts by weight:
100 parts, plastics;
Organic filler 90-100 part;
Mineral filler 2-5 part;
Coupling agent 1.0-1.5 part;
One package stabilizer 5-7 part;
Composite foamable agent 1.0-1.5 part;
Frothing aid 6-8 part;
Wherein, described plastics are the universal polyvinyl chloride (PVC) RESINS of suspension method; Described organic filler is water content
≤8%, granular or fibrous powdered rice hulls or wood chips, bamboo bits, farm crop tangerine bar powder, beans, W-Gum, cotton shell, nut duricrust or coconut husk of particle diameter 40 order ~ 60 objects; Described composite foamable agent is the mixture of Cellmic C 121, sodium bicarbonate and zinc oxide; Described frothing aid is the acrylic acid esters co-polymer of molecular weight between 5,000,000-6,000,000;
By following steps, make:
A, by above-mentioned parts by weight, take respectively following raw material: 100 parts, plastics; Organic filler 90-100 part; Mineral filler 2-5 part; Coupling agent 1.0-1.5 part; One package stabilizer 5-7 part; Composite foamable agent 1.0-1.5 part; Frothing aid 6-8 part;
B, organic filler is added in high speed mixing smelting machine, at 110-120 ℃ of temperature, by described organic filler baking 8-10 minute, then add coupling agent activation organic filler 5 minutes, enter the cold room temperature of mix and being cooled to, discharge cold mixed standby afterwards;
C, startup height mix, the plastics that take and one package stabilizer are dropped into high mixed by feeding system, high-speed stirring and material is warming up to after 90 ℃, by activated organic filler, mineral filler and frothing aid add simultaneously high mix and continue to be mixed to 110 ℃ after add composite foamable agent, continuing to be mixed to 115-125 ℃ enters after cold mixing, while being fully cooled to below 40 ℃ through stirring, entering that truck becomes can foam mixture;
D, gained can foam mixture be dropped in forcing machine hopper, through forcing machine, extrude, by foaming mould foaming, by obtaining the described high wood-plastic foamed floor of filling after stock mould cooling and shaping.
2. high filled PVC wood-plastic foamed floor according to claim 1, is characterized in that, described mineral filler is industrial precipitator method calcium carbonate or talcum powder.
3. high filled PVC wood-plastic foamed floor according to claim 1, is characterized in that, described one package stabilizer is PVC calcium-zinc composite stabilizing agent or lead salt one package stabilizer.
4. high filled PVC wood-plastic foamed floor according to claim 1, is characterized in that, described coupling agent is silane coupling agent or aluminium titante coupling agent.
5. high filled PVC wood-plastic foamed floor according to claim 1, it is characterized in that, described foaming mould is releasing pattern progressively, die gap magnification from 1.5-2.5 doubly, according to different foaming floor desired density, determine burst size, extruded foaming materials is through cooling and shaping sync pulling, and customized cut-off becomes desired size, and foam material density is at 0.6-0.75g/cm
3between.
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| CN201110318224.3A CN102408648B (en) | 2011-10-19 | 2011-10-19 | High-filling PVC (polyvinyl chloride) wood plastic foamed floor and preparation method thereof |
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| CN201110318224.3A CN102408648B (en) | 2011-10-19 | 2011-10-19 | High-filling PVC (polyvinyl chloride) wood plastic foamed floor and preparation method thereof |
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| GB2502642A (en) * | 2012-05-30 | 2013-12-04 | Sunkeeper Ltd | Natural fibre composite and method of production and use in modular construction |
| CN102796332B (en) * | 2012-08-28 | 2014-03-12 | 云南鑫乾矿业有限公司 | Polyvinyl chloride/modified nut shell powder composite material and preparation method thereof |
| CN103509288B (en) * | 2013-09-13 | 2015-08-05 | 山东宜群木塑科技有限公司 | PVC foam wood/plastic composite material and manufacture method thereof |
| CN104327417A (en) * | 2014-11-06 | 2015-02-04 | 安徽省三乐门窗幕墙工程有限公司 | Sorghum husk-based PVC wood-plastic composite material and preparation method thereof |
| CN104387698B (en) * | 2014-11-06 | 2016-03-30 | 安徽省三乐门窗幕墙工程有限公司 | PVC wood plastic composite material that a kind of plant waste is produced and preparation method thereof |
| CN105670037A (en) * | 2016-04-18 | 2016-06-15 | 安徽省宣城市华纳新材料科技有限公司 | Surface treatment method of nanometer calcium carbonate for flame-retardant PVC wood-plastic composite |
| CN105968859A (en) * | 2016-06-22 | 2016-09-28 | 湖北九发科技有限公司 | Wood-plastic wall panel and production method thereof |
| CN106883635A (en) * | 2017-04-25 | 2017-06-23 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of environment-protecting thermoplastic wood plastic composite and its production technology |
| CN110561798A (en) * | 2019-07-24 | 2019-12-13 | 宣城福美达新材料有限公司 | Wood-plastic floor forming method |
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