CN110359670B - Assembled environment-friendly plastic-wood hollow composite floor - Google Patents
Assembled environment-friendly plastic-wood hollow composite floor Download PDFInfo
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- CN110359670B CN110359670B CN201910619430.4A CN201910619430A CN110359670B CN 110359670 B CN110359670 B CN 110359670B CN 201910619430 A CN201910619430 A CN 201910619430A CN 110359670 B CN110359670 B CN 110359670B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/22—Resiliently-mounted floors, e.g. sprung floors
- E04F15/225—Shock absorber members therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses an assembled environment-friendly plastic-wood hollow composite floor, which comprises an external plastic-wood section, an internal composite section, an elastic rubber part and a connecting piece, wherein the external plastic-wood section is a hollow plastic-wood composite floor; the external plastic-wood section and the internal composite section form a 'return' structure, and the four external corners of the internal composite section are connected with the four internal corners of the external plastic-wood section through 4 connecting pieces; the number of the elastic rubber pieces is 4, and the 4 elastic rubber pieces are respectively positioned between four edges of the external plastic-wood section bar and the internal composite section bar; the invention has reasonable structural design, adopts the connecting piece to assemble the external plastic-wood section, the internal composite section and the elastic rubber piece, has better anti-seismic effect, can bring better elasticity and the performance of bearing heavy pressure, can effectively lighten the shock injury of fewer athletes on the floor of a stadium due to bounce, can carry out standardized design, production industrialization, construction assembly and is suitable for mass popularization.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to an assembled environment-friendly plastic-wood hollow composite floor.
Background
The plastic-wood section bar is a novel environment-friendly composite material and has the advantages of repeated recycling, high strength and the like; the plastic wood is a composite material synthesized by taking low-value biomass fibers such as sawdust, wood chips, bamboo scraps, rice hulls, wheat straws, soybean hulls, peanut shells, bagasse, cotton straws and the like as main raw materials and plastics. The composite material has the advantages of plant fiber and plastic, has wide application range, can almost cover all the application fields of log, plastic steel, aluminum alloy and other similar composite materials, and simultaneously solves the problem of recycling waste resources in the plastic and wood industries.
The plastic-wood composite material has more advantages, but in the prior art, the traditional plastic-wood section is extruded by a die with certain specification to produce various forms of sections; but the single plastic-wood section bar has no advantage in earthquake resistance; when a lot of sports venues (such as basketball courts, badminton courts and the like) are supposed to construct venues, high-quality sports wood floors can be selected, and due to the fact that the high-quality sports wood floors have unique elasticity and the performance of bearing heavy pressure, the jolt injury of a few athletes on the floors of the sports venues due to bouncing can be effectively reduced; but because the sports wood floor is expensive, the sports wood floor cannot be popularized in a large quantity. Therefore, a composite floor capable of replacing a sports wood floor is urgently needed to make up for the market vacancy; in addition, if the composite floor can be designed in a standardized manner, produced in a factory, and assembled in a construction manner, the application range can be greatly expanded in reality.
Disclosure of Invention
Aiming at the problems, the invention provides the assembly type environment-friendly plastic-wood hollow composite floor which can be designed in a standardized way, produced in a factory and constructed and assembled.
The technical scheme of the invention is as follows: an assembled environment-friendly plastic-wood hollow composite floor comprises an external plastic-wood section, an internal composite section, an elastic rubber part and a connecting part; the external plastic-wood section and the internal composite section form a ' Chinese character ' hui ' structure, and the four external corners of the internal composite section are connected with the four internal corners of the external plastic-wood section through 4 connecting pieces; the number of the elastic rubber parts is 4, and the 4 elastic rubber parts are respectively positioned between four edges of the external plastic-wood section bar and the internal composite section bar;
the two adjacent sides of one vertex angle of the connecting piece are provided with slide fasteners, the vertex angle opposite to the vertex angle provided with the slide fasteners is provided with a mounting groove, and the two adjacent sides of the vertex angle provided with the mounting groove are provided with clamping grooves;
the external plastic-wood section is provided with a sliding chute corresponding to the sliding buckle; ports at two ends of the elastic rubber piece can be inserted into the clamping grooves of two adjacent connecting pieces; the apex angle of the interior composite profile can be mounted in the mounting groove.
Further, the external plastic-wood section comprises a first surface layer and a first base layer, wherein the first surface layer is wrapped outside the first base layer; the first surface layer is a scratch-resistant finish paint layer, and the first base layer is a plastic-wood layer; the scratch-resistant finish paint layer is wrapped outside the first base layer, so that the scratch resistance of the external plastic wood profile can be effectively enhanced.
Further, the plastic-wood layer comprises the following components in parts by weight: magnetizing fermented product of flax straw: 50-60 parts of polyvinyl chloride: 40-50 parts of flax straw: 20-30 parts of glass fiber: 15-30 parts of a solvent; the magnetized fermentation product of the flax straws is prepared by softening the flax straws through fermentation, and in addition, the product after fermentation can kill harmful microorganisms, prevent mildewing and enhance the water resistance and corrosion resistance of the product; the flax straws are added with the glass fibers, so that the toughness of the plastic-wood layer can be further improved, and the plastic-wood layer can bear heavy pressure.
Furthermore, the preparation method of the plastic-wood layer specifically comprises the following steps:
the method comprises the following steps: preparing flax straw magnetized leavening
Adding flax straws into a fermentation tank, sealing, and performing primary fermentation at room temperature for 10-15 d; then carrying out secondary magnetization fermentation for 7-9 d at 45-48 ℃ under a constant magnetic field of 6-8T; after the second fermentation is finished, filtering, and naturally airing the obtained filter residue to obtain the flax straw magnetized fermentation product; after twice filtration, the fiber content of the flax straws can be reduced by 20-35%, the flax straws are softened, and the flax straws have better resistance to deformation;
step two: pretreatment of
Respectively crushing the flax straw magnetized fermentation product and the flax straw for later use;
step three: preparation of a Plastic-Wood layer
And mixing the pulverized flax straw magnetized fermentation product, flax straw, polyvinyl chloride and glass fiber according to the proportion, and then carrying out hot extrusion molding to prepare the plastic-wood layer.
Further, the internal composite profile comprises a second surface layer and a second base layer, wherein the second surface layer is wrapped outside the second base layer; the second surface layer is made of fireproof paint, and the first base layer is a composite cured substance;
further, the composite cured material comprises the following components in parts by weight: rice hull fiber: 30-50 parts of rice husk: 20-40 parts of binder, 5-10 parts of glass fiber: 15-30 parts of glass fiber, wherein the glass fiber is added in the form of glass fiber strips.
Furthermore, the preparation method of the composite cured product comprises the following specific steps: mixing the rice hull fiber, the rice hulls and the adhesive according to the proportion to obtain a mixture, and naturally curing the mixture to obtain a composite cured substance, wherein the glass fiber strips are embedded in the composite cured substance before the mixture is naturally cured; the glass fiber strips form a support structure, and the strength of the composite cured product can be effectively enhanced.
More preferably, the composite cured product further comprises 0.5-1.2 parts of additives, wherein the additives comprise one or more of antibacterial additives and antioxidant additives; can effectively enhance the antibacterial property and the oxidation resistance of the composite condensate.
Furthermore, the preparation method of the composite cured product comprises the following specific steps: and mixing the rice hull fiber, the rice hull, the adhesive and the additive according to the proportion to obtain a mixture, and naturally curing the mixture to obtain a composite cured product, wherein the glass fiber strips are embedded in the composite cured product before the mixture is naturally cured.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structural design, adopts plastic-wood sectional materials outside and adopts composite materials inside to form a 'Hui' shaped structure; on one hand, the external plastic-wood section has wood texture and better strength; on the other hand, the internal composite material is a composite cured product having a good strength. The elastic rubber piece arranged between the inner side and the outer side can play a role of shock resistance, can bring better elasticity and the performance of bearing heavy pressure, can effectively lighten the shock injury caused by the bounce of fewer athletes on the floor of a stadium, is more comfortable when being trampled, and can bring better user experience; meanwhile, the connecting piece adopted by the invention is used for assembling the external plastic-wood section, the internal composite section and the elastic rubber piece, so that standardized design, production industrialization and construction assembly can be carried out, and the invention is suitable for large-scale popularization.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of the construction of the connector of the present invention;
wherein, 1-external plastic-wood section bar, 2-internal composite section bar, 3-elastic rubber piece, 4-connecting piece, 41-slide fastener, 42-mounting groove and 43-clamping groove.
Detailed Description
Example 1: as shown in fig. 1 and 2, the fabricated environment-friendly plastic-wood hollow composite floor comprises an external plastic-wood section bar 1, an internal composite section bar 2, an elastic rubber piece 3 and a connecting piece 4; the external plastic-wood section bar 1 and the internal composite section bar 2 form a 'return' structure, and the four external corners of the internal composite section bar 2 are connected with the four internal corners of the external plastic-wood section bar 1 through 4 connecting pieces 4; 4 elastic rubber pieces 3 are arranged, and the 4 elastic rubber pieces 3 are respectively positioned between the four edges of the external plastic-wood section bar 1 and the internal composite section bar 2;
the external plastic-wood section bar 1 comprises a first surface layer and a first base layer, wherein the first surface layer is wrapped outside the first base layer; the first surface layer is a scratch-resistant finish paint layer, and the first base layer is a plastic-wood layer;
the internal composite profile 2 comprises a second surface layer and a second base layer, and the second surface layer is wrapped outside the second base layer; the second surface layer is made of fireproof paint, and the first base layer is a composite cured substance;
the elastic rubber part 3 is specifically vulcanized rubber;
as shown in fig. 1 and 3, two adjacent sides of one vertex angle of the connecting member 4 are provided with a slide fastener 41, the vertex angle opposite to the vertex angle provided with the slide fastener 41 is provided with an installation groove 42, and two adjacent sides of the vertex angle provided with the installation groove 42 are provided with a clamping groove 43;
the external plastic-wood section bar 1 is provided with a sliding chute corresponding to the sliding buckle 41; ports at two ends of the elastic rubber piece 3 can be inserted into the clamping grooves 43 of two adjacent connecting pieces 4; the top corner of the inner composite profile 2 can be mounted in the mounting groove 42.
The plastic-wood layer comprises the following components in parts by weight: magnetizing fermented product of flax straw: 50 parts of polyvinyl chloride: 40 parts of flax straw: 20 parts of glass fiber: 15 parts of (1);
the preparation method of the plastic-wood layer comprises the following specific steps:
the method comprises the following steps: preparing flax straw magnetized leavening
Adding flax straws into a fermentation tank, sealing, and performing first fermentation at room temperature for 10 d; then carrying out second magnetization fermentation with the duration of 7d at the temperature of 45 ℃ and under the constant magnetic field of 6-T; after the second fermentation is finished, filtering, and naturally airing the obtained filter residue to obtain the flax straw magnetized fermentation product;
step two: pretreatment of
Respectively crushing the flax straw magnetized fermentation product and the flax straw for later use;
step three: preparation of a Plastic-Wood layer
Mixing the pulverized flax straw magnetized fermentation product, flax straw, polyvinyl chloride and glass fiber according to the proportion, and then carrying out hot extrusion molding to prepare a plastic-wood layer;
the composite condensate comprises the following components in parts by weight: rice hull fiber: 30 parts of rice husk: 20 parts, 5 parts of adhesive, and glass fiber: 15 parts, wherein the glass fibers are added in the form of glass fiber strips;
the preparation method of the composite condensate specifically comprises the following steps: and mixing the rice hull fiber, the rice hull and the adhesive according to the proportion to obtain a mixture, and naturally curing the mixture to obtain a composite cured product, wherein the glass fiber strips are embedded in the composite cured product before the mixture is naturally cured.
It should be noted that: as shown in fig. 1, the height of the plastic-wood hollow composite floor is 5-10 cm, and the length and the width are set according to the specific area condition of an actual field; the height of the plastic-wood hollow composite floor is 8cm, namely the height of the external plastic-wood section bar 1 is 8 cm; the thickness of the plate surface of the external plastic-wood section bar 1 is 1cm, the thickness of the elastic rubber piece 3 is 0.5cm, the height of the internal composite section bar 2 is 5cm, and the thickness of the plate surface of the internal composite section bar 2 is 1.5 cm.
Example 2: the difference from example 1 is: the composite condensate also comprises 1 part of additive, wherein the additive comprises an antibacterial additive and an antioxidant additive; the specific model of the antibacterial additive is IADW-110, the specific model of the antioxidant additive is antioxidant-921, and the antibacterial additive and the antioxidant additive are both 0.5 part.
The preparation method of the composite cured product comprises the following steps: mixing the rice hull fiber, the rice hull, the adhesive and the additive according to the proportion to obtain a mixture, and naturally curing the mixture to obtain a composite cured product, wherein the glass fiber strips are embedded in the composite cured product before the mixture is naturally cured;
example 3: the difference from example 1 is: the plastic-wood layer comprises the following components in parts by weight: magnetizing fermented product of flax straw: 55 parts, 45 parts of polyvinyl chloride and flax straws: 25 parts of glass fiber: 20 parts of (1);
the preparation method of the plastic-wood layer comprises the following specific steps:
the method comprises the following steps: preparing flax straw magnetized leavening
Adding flax straws into a fermentation tank, sealing, and performing first fermentation at room temperature for 13 d; then carrying out secondary magnetization fermentation with the duration of 8d under the constant magnetic field of 7T at 46 ℃; after the second fermentation is finished, filtering, and naturally airing the obtained filter residue to obtain the flax straw magnetized fermentation product;
step two: pretreatment of
Respectively crushing the flax straw magnetized fermentation product and the flax straw for later use;
step three: preparation of a Plastic-Wood layer
Mixing the pulverized flax straw magnetized fermentation product, flax straw, polyvinyl chloride and glass fiber according to the proportion, and then carrying out hot extrusion molding to prepare a plastic-wood layer;
the composite condensate comprises the following components in parts by weight: rice hull fiber: 40 parts of rice husk: 30 parts, 8 parts of adhesive, glass fiber: 20 parts, wherein the glass fiber is added in the form of a glass fiber strip.
Example 4: the difference from example 1 is: the plastic-wood layer comprises the following components in parts by weight: magnetizing fermented product of flax straw: 60 parts of polyvinyl chloride: 50 parts of flax straw: 30 parts of glass fiber: 30 parts of (1);
the preparation method of the plastic-wood layer comprises the following specific steps:
the method comprises the following steps: preparing flax straw magnetized leavening
Adding flax straws into a fermentation tank, sealing, and performing primary fermentation at room temperature for 15 d; then carrying out secondary magnetization fermentation with the duration of 9d under the constant magnetic field of 8T at 48 ℃; after the second fermentation is finished, filtering, and naturally airing the obtained filter residue to obtain the flax straw magnetized fermentation product;
step two: pretreatment of
Respectively crushing the flax straw magnetized fermentation product and the flax straw for later use;
step three: preparation of a Plastic-Wood layer
Mixing the pulverized flax straw magnetized fermentation product, flax straw, polyvinyl chloride and glass fiber according to the proportion, and then carrying out hot extrusion molding to prepare a plastic-wood layer;
the composite condensate comprises the following components in parts by weight: rice hull fiber: 50 parts of rice husk: 40 parts, 10 parts of adhesive, glass fiber: 30 parts, wherein the glass fiber is added in the form of a glass fiber strip.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An assembled environment-friendly plastic-wood hollow composite floor is characterized by comprising an external plastic-wood section bar (1), an internal composite section bar (2), an elastic rubber piece (3) and a connecting piece (4); the outer plastic-wood section bar (1) and the inner composite section bar (2) form a structure in a shape like a Chinese character 'hui', and the four outer corners of the inner composite section bar (2) are connected with the four inner corners of the outer plastic-wood section bar (1) through 4 connecting pieces (4); the number of the elastic rubber parts (3) is 4, and the 4 elastic rubber parts (3) are respectively positioned between the four sides of the external plastic-wood section bar (1) and the internal composite section bar (2);
two adjacent sides of one vertex angle of the connecting piece (4) are respectively provided with a slide fastener (41), the vertex angle opposite to the vertex angle provided with the slide fastener (41) is provided with a mounting groove (42), and two adjacent sides of the vertex angle provided with the mounting groove (42) are provided with clamping grooves (43);
the external plastic-wood section bar (1) is provided with a sliding groove corresponding to the sliding buckle (41); ports at two ends of the elastic rubber piece (3) can be inserted into the clamping grooves (43) of two adjacent connecting pieces (4); the top angle of the inner composite profile (2) can be mounted in the mounting groove (42).
2. The fabricated environment-friendly plastic-wood hollow composite floor as claimed in claim 1, wherein the outer plastic-wood section (1) comprises a first surface layer and a first base layer, and the first surface layer is wrapped outside the first base layer; the first surface layer is a scratch-resistant finish paint layer, and the first base layer is a plastic-wood layer.
3. The fabricated environment-friendly plastic-wood hollow composite floor as claimed in claim 2, wherein the plastic-wood layer comprises the following components in parts by weight: magnetizing fermented product of flax straw: 50-60 parts of polyvinyl chloride: 40-50 parts of flax straw: 20-30 parts of glass fiber: 15-30 parts.
4. The fabricated environment-friendly plastic-wood hollow composite floor as claimed in claim 3, wherein the preparation method of the plastic-wood layer comprises the following specific steps:
the method comprises the following steps: preparing flax straw magnetized leavening
Adding flax straws into a fermentation tank, sealing, and performing primary fermentation at room temperature for 10-15 d; then carrying out secondary magnetization fermentation for 7-9 d at 45-48 ℃ under a constant magnetic field of 6-8T; after the second fermentation is finished, filtering, and naturally airing the obtained filter residue to obtain the flax straw magnetized fermentation product;
step two: pretreatment of
Respectively crushing the flax straw magnetized fermentation product and the flax straw for later use;
step three: preparation of a Plastic-Wood layer
And mixing the pulverized flax straw magnetized fermentation product, flax straw, polyvinyl chloride and glass fiber according to the proportion, and then carrying out hot extrusion molding to prepare the plastic-wood layer.
5. The fabricated environment-friendly plastic-wood hollow composite floor as claimed in claim 1, wherein the inner composite profile (2) comprises a second surface layer and a second substrate layer, and the second surface layer is wrapped outside the second substrate layer; the second surface layer is fireproof paint, and the first base layer is a composite cured substance.
6. The fabricated environment-friendly plastic-wood hollow composite floor as claimed in claim 5, wherein the composite cured product comprises the following components in parts by weight: rice hull fiber: 30-50 parts of rice husk: 20-40 parts of binder, 5-10 parts of glass fiber: 15-30 parts of glass fiber, wherein the glass fiber is added in the form of glass fiber strips.
7. The fabricated environment-friendly plastic-wood hollow composite floor as claimed in claim 6, wherein the preparation method of the composite cured product comprises the following specific steps: and mixing the rice hull fiber, the rice hull and the adhesive according to the proportion to obtain a mixture, and naturally curing the mixture to obtain a composite cured product, wherein the glass fiber strips are embedded in the composite cured product before the mixture is naturally cured.
8. The fabricated eco-friendly plastic-wood hollow composite floor as claimed in claim 5, wherein the top corner of the inner composite profile (2) can be installed in the installation groove (42).
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| US8353640B2 (en) * | 2008-01-22 | 2013-01-15 | Brock Usa, Llc | Load supporting panel having impact absorbing structure |
| KR101232538B1 (en) * | 2010-05-12 | 2013-02-12 | 성균관대학교산학협력단 | Railway floor structure |
| CN204662850U (en) * | 2015-03-21 | 2015-09-23 | 大连高科阻燃橡胶有限公司 | A kind of composite floor board |
| US9962878B2 (en) * | 2015-10-12 | 2018-05-08 | Playsafer Surfacing Llc | Multi-level unitary safety surface tiles |
| CN105442816A (en) * | 2015-12-28 | 2016-03-30 | 常熟市丰盛建筑装潢木业有限公司 | Damping floor |
| CN208749031U (en) * | 2018-07-12 | 2019-04-16 | 浙江科杰新材料有限公司 | A kind of shock proof Wood-plastic floor |
| CN109826400B (en) * | 2019-03-27 | 2021-01-08 | 宏耐地板(宿迁)有限公司 | Double-layer anti-compression acrylic floor |
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