CN102408648A - 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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- CN102408648A CN102408648A CN2011103182243A CN201110318224A CN102408648A CN 102408648 A CN102408648 A CN 102408648A CN 2011103182243 A CN2011103182243 A CN 2011103182243A CN 201110318224 A CN201110318224 A CN 201110318224A CN 102408648 A CN102408648 A CN 102408648A
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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 the Wood-plastic material technical field, relate to a kind of high filled PVC Wood-plastic foam floor and preparation method thereof.
Background technology
The contriver had once submitted a patented claim about plastic-wood section (application number is 00132561.2) and has submitted a patented claim 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 the profiled material of the non-foaming wood-plastic Composite Preparation that the former is related is generally about 1.1-1.4; Make the material deadweight than higher; Can't satisfy in light weight, 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 merely 10-20 part, and product density is about 0.9 g/cm
3, its material exists cost higher, the defective that volume recovery is low; Then there is wretched insufficiency in polyolefine wood-plastic foam material related in the prior art on fire resistance.
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 foam floor and processing and forming technology thereof, high with the cost that solves current plastic-wood material, the defective of poor performance.
For achieving the above object, the present invention provides a kind of high filled PVC Wood-plastic foam floor, and said high filled PVC Wood-plastic foam floor is processed by the raw material of following parts by weight, and concrete ratio and raw material are following:
100 parts in 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 on above-mentioned a kind of high filled PVC Wood-plastic foam floor, wherein said plastics are the universal PVC RESINS of suspension method, and its K value is 61, and the polymerization degree is 750 ~ 850.
As the preferred version on above-mentioned a kind of high filled PVC Wood-plastic foam floor, wherein said organic filler is for being water cut≤8%, the granular or fibrous powdered rice hulls of particle diameter 40 orders ~ 60 purposes or wood chips, bamboo bits, farm crop tangerine bar powder, beans, W-Gum, cotton shell, nut duricrust or coconut husk.
As the preferred version on above-mentioned a kind of high filled PVC Wood-plastic foam floor, wherein said mineral filler is industrial precipitator method lime carbonate (particle diameter 325 orders, white powder) or talcum powder.
As the preferred version on above-mentioned a kind of high filled PVC Wood-plastic foam floor, wherein said one package stabilizer is PVC calcium-zinc composite stabilizing agent (calcium stearate, Zinic stearas, hydrotalcite, polyethylene wax, Triple Pressed Stearic Acid, oxidation inhibitor or OPE mixture) or lead salt one package stabilizer (dibasic Lead Phosphite, lead stearate, tribasic lead sulfate, polyethylene wax, Triple Pressed Stearic Acid, oxidation inhibitor or OPE mixture).
As the preferred version on above-mentioned a kind of high filled PVC Wood-plastic foam floor, wherein said coupling agent is silane coupling agent or aluminium titante coupling agent.
As the preferred version on above-mentioned a kind of high filled PVC Wood-plastic foam floor, wherein said composite foamable agent is the mixture of Cellmic C 121, sodium hydrogencarbonate and zinc oxide.
As the preferred version on above-mentioned a kind of high filled PVC Wood-plastic foam 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 the preparation method on a kind of high filled PVC Wood-plastic foam floor, said method comprising the steps of:
A, take by weighing following raw material respectively: 100 parts in plastics by above-mentioned parts by weight; 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 the high speed mixing roll, under 110-120 ℃ of temperature, with said organic filler baking 8-10 minute, add coupling agent activation organic filler 5 minutes again, enter cold mixing and be cooled to room temperature, it is subsequent use to discharge cold mixed back;
B, organic filler is added in the high speed mixing roll, under 110-120 ℃ of temperature, with said organic filler oven dry 8-10 minute, add coupling agent activation organic filler 5 minutes again, enter and coldly mix and be cooled to room temperature, it is subsequent use to discharge cold mixed back;
C, startup height mix; Plastics that take by weighing and one package stabilizer are dropped into high mixing through feeding system; High-speed stirring and material is warming up to 90 ℃ after, with activated organic filler and frothing aid add simultaneously high mix and continue to be mixed to 110 ℃ after add composite foamable agent, continue to be mixed to 115-125 ℃ enter cold mixing after; When fully being cooled to below 40 ℃, become foam mixture but enter truck through stirring;
Compound requires: outward appearance is uniformly dispersed, and color and luster is consistent, does not have 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, but the gained foam mixture is dropped in the forcing machine hopper, extrude through forcing machine, through the foaming mould foaming, by obtaining the said high Wood-plastic foam floor of filling behind the stock mould cooling and shaping.
Preferred version as the preparation method on above-mentioned a kind of high filled PVC Wood-plastic foam floor; Wherein said foaming mould is releasing pattern progressively; The die gap magnification from 1.5-2.5 doubly determines burst size according to different foaming floor desired density, and the extrusion foaming material is through the 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 foam provided by the present invention floor has advantages such as light weight, specific tenacity height, waterproof, anticorrosion, insulation, and the processing characteristic that has timber can follow closely, can saw and can dig;
2, high filled PVC Wood-plastic foam provided by the present invention floor can be widely used in building, transportation, packing, home decoration and daily necessities market;
3, high filled PVC Wood-plastic foam provided by the present invention floor has the distinguishing feature that formulation cost is low, density of material is low, can significantly reduce the comprehensive cost on floor, and the high market competitiveness is arranged.
Embodiment
Below in conjunction with specific embodiment the present invention is further explained.
Embodiment 1
The preparation method on a kind of high filled PVC Wood-plastic foam floor may further comprise the steps:
A, take by weighing following raw material respectively: 100 parts of SE (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 the high speed mixing rolls, under 110-120 ℃ of temperature, with this powdered rice hulls baking 8-10 minute, added this powdered rice hulls of 1.5 parts of coupling agent activation again 5 minutes, enter cold mixing and be cooled to room temperature, it is subsequent use to discharge cold mixed back;
C, startup height mix; 100 parts of PVC and 7 parts of one package stabilizers of taking by weighing are dropped into high mixing through feeding system; High-speed stirring is warming up to material after 90 ℃ and 100 parts of activated powdered rice hulls, 5 parts of mineral fillers and 8 parts of frothing aids are added high mixing simultaneously adds 1.5 parts of composite foamable agents after continuing to be mixed to 110 ℃; After continuing to be mixed to 115-125C and entering cold mix, when fully being cooled to below 40 ℃, become foam mixture but enter truck through stirring;
But d, should foam mixture drop in Φ 65/132 conical double screw extruder, extrude through forcing machine;
Wherein,
Heating temperature: 165 ℃ in a district, 170 ℃ in two districts, 175 ℃ in three districts, 180 ℃ in four districts, 170 ℃ of merging cores, 180 ℃ of heads;
Melt pressure: 12-15Mpa;
Melt temperature: 165-170 ℃;
Engine speed: 10-15rpm/min;
Forming mould foaming through the special construction design; After the cooling of typing cover, finalize the design, be shaped to the Wood-plastic foam product (that is 32 Hollow floors) of having of definite shape of continuous uniform distribution foaming micropore; The heavy 2.55-2.65kg/m of product rice, density is 0.7-0.75 g/cm
3
Embodiment 2
The preparation method on a kind of high filled PVC Wood-plastic foam floor may further comprise the steps:
A, take by weighing following raw material respectively: 100 parts of SE (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 the high speed mixing rolls, under 110-120 ℃ of temperature, with this powdered rice hulls baking 8-10 minute, added this powdered rice hulls of 1.0 parts of coupling agent activation again 5 minutes, enter cold mixing and be cooled to room temperature, it is subsequent use to discharge cold mixed back;
C, startup height mix; 100 parts of PVC and 5 parts of one package stabilizers of taking by weighing are dropped into high mixing through feeding system; High-speed stirring is warming up to material after 90 ℃ and 100 parts of activated powdered rice hulls, 2 parts of mineral fillers and 6 parts of frothing aids are added high mixing simultaneously adds 1.0 parts of composite foamable agents after continuing to be mixed to 110 ℃, continues to be mixed to 115-125 ℃ and enters cold mixing, after compound enters cold mixing; When fully being cooled to below 40 ℃, become foam mixture but enter truck through stirring;
But d, should foam mixture drop in Φ 65/132 conical double screw extruder;
Wherein,
Heating temperature: 165 ℃ in a district, 170 ℃ in two districts, 175 ℃ in three districts, 180 ℃ in four districts, 170 ℃ of merging cores, 178 ℃ of heads;
Melt pressure: 10-13Mpa;
Melt temperature: 165-170 ℃;
Engine speed: 10-15rpm/min;
Forming mould foaming through the special construction design; After the cooling of typing cover, finalize the design, be shaped to the Wood-plastic foam product (that is 26 real core floors) of having of definite shape of continuous uniform distribution foaming micropore; The heavy 2.30-2.40kg/m of product rice, density is 0.6-0.65 g/cm
3
The foregoing description does not limit protection scope of the present invention, and equivalent modifications that all are done on the basis of not departing from spirit of the present invention and improvement etc. all should in like manner belong to scope of patent protection of the present invention.
Claims (10)
1. one kind high filled PVC Wood-plastic foam floor is characterized in that, said Wood-plastic foam material is processed by the raw material of following parts by weight:
100 parts in 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.
2. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said plastics are the universal PVC RESINS of suspension method.
3. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said organic filler is a water cut
≤8%, granular or fibrous powdered rice hulls of particle diameter 40 orders ~ 60 purposes or wood chips, bamboo bits, farm crop tangerine bar powder, beans, W-Gum, cotton shell, nut duricrust or coconut husk.
4. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said mineral filler is industrial precipitator method lime carbonate or talcum powder.
5. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said one package stabilizer is PVC calcium-zinc composite stabilizing agent or lead salt one package stabilizer.
6. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said coupling agent is silane coupling agent or aluminium titante coupling agent.
7. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said composite foamable agent is the mixture of Cellmic C 121, sodium hydrogencarbonate and zinc oxide.
8. high filled PVC Wood-plastic foam according to claim 1 floor is characterized in that said frothing aid is the acrylic acid esters co-polymer of molecular weight between 5,000,000-6,000,000.
9. the preparation method on one kind high filled PVC Wood-plastic foam floor is characterized in that, said method comprising the steps of:
A, take by weighing following raw material respectively: 100 parts in plastics by above-mentioned parts by weight; 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 the high speed mixing roll, under 110-120 ℃ of temperature, with said organic filler baking 8-10 minute, add coupling agent activation organic filler 5 minutes again, enter and coldly mix and be cooled to room temperature, it is subsequent use to discharge cold mixed back;
C, startup height mix; Plastics that take by weighing and one package stabilizer are dropped into high mixing through feeding system; High-speed stirring and material is warming up to 90 ℃ after, with activated organic filler and frothing aid add simultaneously high mix and continue to be mixed to 110 ℃ after add composite foamable agent, continue to be mixed to 115-125 ℃ enter cold mixing after; When fully being cooled to below 40 ℃, become foam mixture but enter truck through stirring;
D, but the gained foam mixture is dropped in the forcing machine hopper, extrude through forcing machine, through the foaming mould foaming, by obtaining the said high Wood-plastic foam floor of filling behind the stock mould cooling and shaping.
10. the preparation method on high filled PVC Wood-plastic foam according to claim 9 floor; It is characterized in that said foaming mould is releasing pattern progressively, the die gap magnification from 1.5-2.5 doubly; According to different foaming floor desired density decision burst size; The extrusion foaming material is through the 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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Cited By (9)
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| CN102796332A (en) * | 2012-08-28 | 2012-11-28 | 云南鑫乾矿业有限公司 | Polyvinyl chloride/modified nut shell powder composite material and preparation method thereof |
| CN103509288A (en) * | 2013-09-13 | 2014-01-15 | 临沂康亿家生态木业有限公司 | PVC foam wood/plastic composite material and manufacturing method thereof |
| WO2013179029A3 (en) * | 2012-05-30 | 2014-05-30 | Sunkeeper Limited | Natural fibre and method of production and use in modular construction |
| 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 |
| CN104387698A (en) * | 2014-11-06 | 2015-03-04 | 安徽省三乐门窗幕墙工程有限公司 | PVC (polyvinyl chloride) wood-plastic composite material produced from plant wastes 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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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013179029A3 (en) * | 2012-05-30 | 2014-05-30 | Sunkeeper Limited | Natural fibre and method of production and use in modular construction |
| CN102796332A (en) * | 2012-08-28 | 2012-11-28 | 云南鑫乾矿业有限公司 | Polyvinyl chloride/modified nut shell powder composite material and preparation method thereof |
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| 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 |
| CN104387698A (en) * | 2014-11-06 | 2015-03-04 | 安徽省三乐门窗幕墙工程有限公司 | PVC (polyvinyl chloride) wood-plastic composite material produced from plant wastes and preparation method thereof |
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| 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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