CN105778536A - Wood plastic floor resistant to acid and alkali corrosion and production technology thereof - Google Patents
Wood plastic floor resistant to acid and alkali corrosion and production technology thereof Download PDFInfo
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- CN105778536A CN105778536A CN201410802729.0A CN201410802729A CN105778536A CN 105778536 A CN105778536 A CN 105778536A CN 201410802729 A CN201410802729 A CN 201410802729A CN 105778536 A CN105778536 A CN 105778536A
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Abstract
The invention discloses a wood plastic floor resistant to acid and alkali corrosion and a production technology thereof, and belongs to the technical field of construction materials. The wood plastic floor is prepared from the following raw materials in parts by weight: 20 to 40 parts of waste and old PVC aggregate, 3 to 8 parts of PVC plastic particle, 40 to 70 parts of waste and old wood powder or fiber powder, 5 to 10 parts of active calcium carbonate, 1 to 3 parts of filler, 5 to 10 parts of processing aid, 1 to 5 parts of anti-aging auxiliary agent, 0.1 to 0.15 part of copper powder, 0.01 to 0.02 part of molybdenum disulfide, and 5 to 10 parts of PTFE pellet. The raw materials mentioned above are subjected to steps of granulating, mixing, extruding, and moulding to produce the wood plastic floor. Compared with the conventional wood plastic floors, the provided wood plastic floor has the advantages of good mechanical properties, strong performance on resisting acid and alkali corrosion, and low manufacturing cost.
Description
Technical field
The invention belongs to building material technical field, specifically a kind of acid-alkali corrosion resistant Wood-plastic floor and production technology thereof.
Background technology
Wood plastic composite is with timber and plastics for raw material, adds the modified additives such as people's coupling agent, through hot pressing compound, a kind of new material that different processing modes are made such as melt extrudes.This material can give full play to the advantage of each component in material, overcomes the use limitation caused because strength of wood is low, variability is big etc., the familiar lacunas such as low elastic modulus that can overcome again organic material, and can improve the physical and chemical performance of material.China is the country that forest reserves are relatively poor, wood supply faces huge breach, meanwhile, " white pollution " problem of plastics increasingly receives the concern of people, and wood plastic composite can solve the not enough problem with plastic pollution of wood supply simultaneously, deeply liked by consumer, also obtain the support energetically of national sector.
It is typically with anticorrosive wood, solid wooden floor board, composite floor board or wood-plastic composite floor in the market for municipal administration, gardens, villa outdoor flooring, guardrail, fence, lobby etc..Anticorrosive wood, solid wooden floor board need to consume substantial amounts of timber, and expensive, though it has advantages such as wear-resisting, but lay use after resistance to water is poor and easy to crack, warp.Composite floor board is employing wood flour, binding agent is blended is extruded from, though it has the advantages such as light, low price, but resistance to water, wearability, ageing resistance are poor, mechanical performance is low, unstable, can warp equally after meeting water, service life is short, not easily is liked receiving by the people.Although existing Wood-plastic floor overcomes most defects of anticorrosive wood, solid wooden floor board and composite floor board, good with mechanical property, application is convenient, and low cost and other advantages is subject to consumer and likes.But along with air-polluting aggravates, the acid rain extent of injury is increasing, existing wood plastic composite reduces because of acid and alkali corrosion service life, and the floor suffering acid rain corrosion and destroying becomes disposed waste, pollutes urban environment, affects city look and feel.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, thus providing a kind of acid-alkali corrosion resistant Wood-plastic floor and production technology thereof, adopting waste PVC and waste and old wood powder or fibrous material powder is primary raw material, it is equipped with PTFE, activated Calcium carbonate, filler for plastic, plastic processing additives, aging resistance auxiliary agent, blended granulation, extrude then through high temperature, extrusion die extrusion molding, cooling and shaping, it is cut into Wood-plastic floor, this Wood-plastic floor has acid-alkali-corrosive-resisting, ageing resistance, durable wear resistance, environmental safety, the advantage that intensity is high, this manufacturing process is simple simultaneously, reduce production cost.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of acid-alkali corrosion resistant Wood-plastic floor, this Wood-plastic floor is by each component of following parts by weight: 20～40 parts of waste PVC aggregate, PVC plastic granule 3～8 parts, waste and old wood powder or 40～70 parts of fibrous material powder, activated Calcium carbonate 5～10 parts, filler 1～3 part, processing aid 5～10 parts, aging resistance auxiliary agent 1～5 part, copper powder 0.1～0.15 part, molybdenum bisuphide 0.01～0.02 part, PTFE pellet 5～10 parts, the mixing of blended unit is extruded into 100～150 DEG C moulds pellet, then through extrusion compound, compression molding, cooling, cutting, fixed length.
Further, described processing aid is one or more in paraffin, PE wax, zinc stearate lubricant.
Further, described age resister is antioxidant or UV absorbent.
Further, described filler is precipitated calcium carbonate or wood powder fiber.
Further, described fibrous material is grain straw, bran shell, Pericarppium arachidis hypogaeae, hemp stalk or legume straw.
Another technical problem that the invention solves the problems that is to provide the production technology of above-mentioned a kind of acid-alkali corrosion resistant Wood-plastic floor, adopts following processing step:
1) Wood-plastic floor raw material pelletize: first being undertaken waste and old wood or fibrous material crushing, wearing into waste and old wood powder or fibrous material powder, fineness reaches 100～180 orders；
2) Wood-plastic floor raw material mixing: by 20～40 parts of waste PVC aggregate, PVC plastic granule 3～8 parts, waste and old wood powder or 40～70 parts of fibrous material powder, activated Calcium carbonate 5～10 parts, filler 1～3 part, processing aid 5～10 parts, aging resistance auxiliary agent 1～5 part, copper powder 0.1～0.15 part, molybdenum bisuphide 0.01～0.02 part, 5～10 parts of input high-speed mixers of PTFE pellet, under the temperature conditions of 100～130 DEG C, with the rotating speed of 800～1000 revs/min, mixed at high speed 15～30 minutes；Then being cooled to 45～55 DEG C, be extruded into wood through flat double; two extruders and mould grain, extrusion temperature is 200～250 DEG C, and screw speed is 10～20 revs/min；
3) making of Wood-plastic floor substrate:
A, by step 2) the wooden molding powder machine prepared or wood moulds grain and extrudes through double screw extruder high temperature, extrusion temperature is 150～170 DEG C, and screw speed is 20～50 revs/min；
B, by the extruded material of step a through die extruder extrusion molding, extrusion temperature is 180～200 DEG C, and extrusion pressure is 10～25Mpa, is fixed to substrate then through vacuum cooled, and vacuum is 0.06～0.lMpa, and cooling water temperature is 5～150 DEG C；
C, by above-mentioned sizing Wood-plastic floor or section bar, fixed length cutting is stand-by；
4) by above-mentioned Wood-plastic floor or section bar through hacking or wire drawing or embossing, acid-alkali corrosion resistant Wood-plastic floor product is obtained.
Compared with prior art, the invention have the advantages that
1, the acid-alkali corrosion resistant Wood-plastic floor of the present invention has the mechanical performance of excellence and strong wearability, especially shows as hot strength and reaches more than 25MPa, and elongation at break is 300%.
2, the acid-alkali corrosion resistant Wood-plastic floor of the present invention does not absorb water, and is unlikely to deform, durable in use, and for outdoor sports ground, anti acid alkali performance is strong, without obvious signs of corrosion in 3 years.
3, various waste and old woods or fibrous material are effectively utilized by the acid-alkali corrosion resistant Wood-plastic floor of the present invention, are truly realized " turning waste into wealth ", can save material resources, also solve plastics " white pollution " problem, the strategy of response national sustainable development.
4. the acid-alkali corrosion resistant Wood-plastic floor of the present invention has that material proportion is little, intensity is high, the simple advantage of manufacturing process.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of acid-alkali corrosion resistant Wood-plastic floor, this Wood-plastic floor is by each component of following parts by weight: 20 parts of waste PVC aggregate, PVC plastic granule 3 parts, waste and old wood powder or 40 parts of fibrous material powder, activated Calcium carbonate 5 parts, filler 1 part, processing aid 5 parts, aging resistance auxiliary agent 1 part, copper powder 0.1 part, molybdenum bisuphide 0.01 part, PTFE pellet 5 parts, the mixing of blended unit is extruded into 120 DEG C moulds pellet, then through extrusion compound, compression molding, cooling, cutting, fixed length.
Wherein, described processing aid is one or more in paraffin, PE wax, zinc stearate lubricant；Described age resister is antioxidant or UV absorbent；Described filler is precipitated calcium carbonate or wood powder fiber；Described fibrous material is grain straw, bran shell, Pericarppium arachidis hypogaeae, hemp stalk or legume straw.
The production technology of above-mentioned a kind of acid-alkali corrosion resistant Wood-plastic floor, adopts following processing step:
1) Wood-plastic floor raw material pelletize: first being undertaken waste and old wood or fibrous material crushing, wearing into waste and old wood powder or fibrous material powder, fineness reaches 100～180 orders；
2) Wood-plastic floor raw material mixing: described raw material is put into high-speed mixer, under the temperature conditions of 100～130 DEG C, with the rotating speed of 800～1000 revs/min, mixed at high speed 15～30 minutes；Then being cooled to 45～55 DEG C, be extruded into wood through flat double; two extruders and mould grain, extrusion temperature is 200～250 DEG C, and screw speed is 10～20 revs/min；
3) making of Wood-plastic floor substrate:
A, by step 2) the wooden molding powder machine prepared or wood moulds grain and extrudes through double screw extruder high temperature, extrusion temperature is 150～170 DEG C, and screw speed is 20～50 revs/min；
B, by the extruded material of step a through die extruder extrusion molding, extrusion temperature is 180～200 DEG C, and extrusion pressure is 10～25Mpa, is fixed to substrate then through vacuum cooled, and vacuum is 0.06～0.lMpa, and cooling water temperature is 5～150 DEG C；
C, by above-mentioned sizing Wood-plastic floor or section bar, fixed length cutting is stand-by；
4) by above-mentioned Wood-plastic floor or section bar through hacking or wire drawing or embossing, acid-alkali corrosion resistant Wood-plastic floor product is obtained.
5) inspection, packaging warehouse-in.
Claims (5)
1. an acid-alkali corrosion resistant Wood-plastic floor, it is characterized in that: this Wood-plastic floor is made up of the raw material components of following parts by weight: 20～40 parts of waste PVC aggregate, PVC plastic granule 3～8 parts, waste and old wood powder or 40～70 parts of fibrous material powder, activated Calcium carbonate 5～10 parts, filler 1～3 part, processing aid 5～10 parts, aging resistance auxiliary agent 1～5 part, copper powder 0.1～0.15 part, molybdenum bisuphide 0.01～0.02 part, PTFE pellet 5～10 parts.
2. a kind of acid-alkali corrosion resistant Wood-plastic floor as claimed in claim 1, it is characterised in that: described processing aid is one or more in paraffin, PE wax, zinc stearate lubricant.
3. a kind of acid-alkali corrosion resistant Wood-plastic floor as claimed in claim 1, it is characterised in that: described age resister is antioxidant or UV absorbent.
4. a kind of acid-alkali corrosion resistant Wood-plastic floor as claimed in claim 1, it is characterised in that: described filler is precipitated calcium carbonate or wood powder fiber.
5. a kind of acid-alkali corrosion resistant Wood-plastic floor as claimed in claim 1, it is characterised in that: described fibrous material is grain straw, bran shell, Pericarppium arachidis hypogaeae, hemp stalk or legume straw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802729.0A CN105778536A (en) | 2014-12-18 | 2014-12-18 | Wood plastic floor resistant to acid and alkali corrosion and production technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802729.0A CN105778536A (en) | 2014-12-18 | 2014-12-18 | Wood plastic floor resistant to acid and alkali corrosion and production technology thereof |
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| Publication Number | Publication Date |
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| CN105778536A true CN105778536A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410802729.0A Pending CN105778536A (en) | 2014-12-18 | 2014-12-18 | Wood plastic floor resistant to acid and alkali corrosion and production technology thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433176A (en) * | 2016-10-19 | 2017-02-22 | 肇庆高新区飞越信息科技有限公司 | Wood plastic floor additive prepared from bottle body recycled plastic particle of recycled plastic bottle |
| CN108047738A (en) * | 2017-12-12 | 2018-05-18 | 浙江金华天开电子材料有限公司 | A kind of PVC floor based on wood moulding structure and preparation method thereof |
| CN110206265A (en) * | 2019-06-10 | 2019-09-06 | 重庆市久三建材有限公司 | A kind of open air insect prevention, anti-ageing wood-plastic floor and processing method |
| CN110283469A (en) * | 2019-06-10 | 2019-09-27 | 重庆市久三建材有限公司 | A kind of outdoor durable wood moulding anticorrosion floor processing method |
| CN110790531A (en) * | 2019-11-11 | 2020-02-14 | 安徽阜南县向发工艺品有限公司 | Corrosion-resistant wood floor and preparation method thereof |
-
2014
- 2014-12-18 CN CN201410802729.0A patent/CN105778536A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433176A (en) * | 2016-10-19 | 2017-02-22 | 肇庆高新区飞越信息科技有限公司 | Wood plastic floor additive prepared from bottle body recycled plastic particle of recycled plastic bottle |
| CN108047738A (en) * | 2017-12-12 | 2018-05-18 | 浙江金华天开电子材料有限公司 | A kind of PVC floor based on wood moulding structure and preparation method thereof |
| CN110206265A (en) * | 2019-06-10 | 2019-09-06 | 重庆市久三建材有限公司 | A kind of open air insect prevention, anti-ageing wood-plastic floor and processing method |
| CN110283469A (en) * | 2019-06-10 | 2019-09-27 | 重庆市久三建材有限公司 | A kind of outdoor durable wood moulding anticorrosion floor processing method |
| CN110790531A (en) * | 2019-11-11 | 2020-02-14 | 安徽阜南县向发工艺品有限公司 | Corrosion-resistant wood floor and preparation method thereof |
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Application publication date: 20160720 |
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