Patent Application
20180016410
The present invention relates to the field of decorative sheets, in particular to a plastic composition, a composite floor including the plastic composition and a preparation method thereof.
The traditional floors are all solid plate bodies, and after a long time of use, especially in humid environments, the floors are prone to mildew, which seriously affects the user experience. Subsequent wood-plastic composite boards are prepared by mixing plastic and wooden powder according to a certain proportion and then performing hot extrusion molding on the mixture, the production process is complex, the requirements are high, and the production cost is high, so the wood-plastic composite boards are not suitable for large-scale promotion.
Therefore, it is urgent to propose a plastic composition of which a preparation method is simple, a composite floor having the advantages of simple structure, beautiful and elegant appearance, capability of effectively reducing the production cost, and anti-water, anti-insect and anti-mildew effects, and a preparation method thereof.
In order to solve the above technical problems, the present invention provides a plastic composition, a composite floor including the plastic composition and a preparation method thereof. The composite floor has the advantages of simple structure, beautiful and elegant appearance, and good anti-water, anti-insect and anti-mildew effects. Moreover, the composite floor can effectively save wood resources, is low in cost and is more environmentally friendly.
To achieve the above objective, the technical solutions of the present invention are as follows:
a plastic composition is characterized by being prepared from the following components in parts by weight: 30-55 parts of polyvinyl chloride, 35-55 parts of limestone powder, 0.5-5 parts of polyurethane foaming agent and 0.5-5 parts of stabilizer.
The stabilizer is a calcium-zinc stabilizer.
A composite floor includes a decoration layer and a supporting layer, wherein the supporting layer is prepared from the plastic composition.
As the supporting layer of the composite floor provided by the present invention is prepared from the plastic composition, the composite floor has good anti-water, anti-insect and anti-mildew effects. Moreover, by means of the plasticity of the plastic composition, the composite floor is unlikely to deform and is longer in service life.
On the basis of the above-mentioned technical solutions, the following improvements can also be made:
as a preferred solution, preferably, the plastic composition is prepared from the following components in parts by weight: 35-50 parts of polyvinyl chloride, 40-50 parts of limestone powder, 0.5-2 parts of polyurethane foaming agent and 0.5-2 parts of stabilizer.
By adoption of the above-mentioned preferred solution, the flexibility and the hardness of the plastic composition are unified, and the supporting layer prepared from the same is firm in structure, unlikely to deform and is easy to process.
As a preferred solution, the decoration layer is prepared from one or more materials of wood, bamboo, scrimber and decorative paper.
By adoption of the above-mentioned preferred solution, as the decoration layer is prepared from one or more materials of wood, bamboo, scrimber and decorative paper, and the appearance is smooth, beautiful and elegant.
As a preferred solution, the supporting layer includes a front face and a back face, wherein the front face of the supporting layer is provided with the decoration layer or the front face and the back face of the supporting layer are both provided with the decoration layer respectively.
By adoption of the above-mentioned preferred solution, the structure is simple. The decoration layer plays a decoration role, and the supporting layer serving as a substrate of the composite floor plays a supporting role.
As a preferred solution, the front face and/or the back face of the supporting layer is provided with supporting ridges and/or supporting grooves, and the decoration layer is provided with decoration grooves and/or decoration ridges matched with the supporting ridges and/or the supporting grooves.
By adoption of the above-mentioned preferred solution, a firmer connection between the supporting layer and the decoration layer is guaranteed.
As a preferred solution, the section of each supporting ridge and/or each supporting groove is dovetail-shaped.
By adoption of the above-mentioned preferred solution, a flatter connection between the supporting layer and the decoration layer is guaranteed.
As a preferred solution, the front face and/or the back face of the supporting layer is provided with the supporting ridges and the supporting grooves, and the supporting ridges and the supporting grooves are arranged at equal intervals.
By adoption of the above-mentioned preferred solution, a firmer connection between the supporting layer and the decoration layer is guaranteed, and the stress on each part of the supporting layer and the decoration layer is more uniform.
A preparation method of a composite floor, used for preparing the composite floor, is characterized by including the following steps:
(1) burdening: preparing materials according to 30-55 parts of polyvinyl chloride, 35-55 parts of limestone powder, 0.5-5 parts of polyurethane foaming agent and 0.5-5 parts of stabilizer;
(2) mixing: performing heating and pressurization mixing on the polyvinyl chloride, the limestone powder, the polyurethane foaming agent and the stabilizer to form a mixture;
(3) extrusion molding: forming a plastic composition from the mixture through an extrusion molding die;
(4) cooling: performing cooling forming on the plastic composition subjected to extrusion molding;
(5) cutting: cutting the plastic composition subjected to cooling forming to form a supporting layer;
(6) laminating: putting a decoration layer and the supporting layer in a press in sequence, coating contact surfaces of the decoration layer and the supporting layer with cold pressing glue, and laminating the decoration layer and the supporting layer by the press to form the composite floor.
The technological process of the preparation method of the composite floor provided by the present invention is simple.
Reference signs in drawings are as follows: 1. decoration layer, 101. first decoration layer, 102. second decoration layer, 11. decoration groove, 12. decoration ridge, 2. supporting layer, 21. supporting ridge, and 22. supporting groove
Preferred embodiments of the present invention will be illustrated below in detail in combination with the drawings.
To achieve the objectives of the present invention, in some embodiments of a novel floor,
as shown in
The plastic composition is prepared from the following components in parts by weight: 30 parts of polyvinyl chloride, 55 parts of limestone powder, 0.5 part of polyurethane foaming agent and 0.5 part of calcium-zinc stabilizer. The plastic composition can further include some other components to improve the performance thereof. As the parts of the limestone powder are greater, the hardness of the plastic composition can be improved, and thus the plastic composition has better mechanical strength.
The decoration layer 1 is prepared from wood or bamboo, thereby being smooth, beautiful and elegant in appearance.
A preparation method of the composite floor, used for preparing the composite floor, includes the following steps:
(1) burdening: preparing materials according to 30 parts of polyvinyl chloride, 55 parts of limestone powder, 0.5 part of polyurethane foaming agent and 0.5 part of calcium-zinc stabilizer;
(2) mixing: performing heating and pressurization mixing on the polyvinyl chloride, the limestone powder, the polyurethane foaming agent and the calcium-zinc stabilizer to form a mixture;
(3) extrusion molding: forming a plastic composition from the mixture through an extrusion molding die;
(4) cooling: performing cooling forming on the plastic composition subjected to extrusion molding;
(5) cutting: cutting the plastic composition subjected to cooling forming to form a supporting layer;
(6) laminating: putting a decoration layer and the supporting layer in a press in sequence, coating contact surfaces of the decoration layer and the supporting layer with cold pressing glue, and laminating the decoration layer and the supporting layer by the press to form the composite floor.
As the supporting layer 2 of the composite floor provided by the present invention is prepared from the plastic composition, the composite floor has good anti-water, anti-insect and anti-mildew effects. Moreover, by means of the plasticity of the plastic composition, the composite floor is unlikely to deform and is longer in service life.
In order to further optimize the implementation effect of the present invention, in some other embodiments, the rest features are the same, and the difference therebetween lies in that the plastic composition is prepared from the following components in parts by weight: 55 parts of polyvinyl chloride, 35 parts of limestone powder, 0.5 part of polyurethane foaming agent and 0.5 part of calcium-zinc stabilizer.
As the parts of the 1 polyvinyl chloride are greater, the flexibility of the plastic composition can be improved.
In order to further optimize the implementation effect of the present invention, in some other embodiments, the rest features are the same, and the difference therebetween lies in that: to optimize the performance of the plastic composition, as being verified by a lot of experiments, preferably, the plastic composition is prepared from the following components in parts by weight: 45 parts of polyvinyl chloride, 45 parts of limestone powder, 0.5 part of polyurethane foaming agent and 0.5 part of calcium-zinc stabilizer. In this embodiment, the flexibility and the hardness of the plastic composition are unified, and the supporting layer 2 prepared from the same is firm in structure, unlikely to deform and is easy to process.
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A firmer connection between the supporting layer 2 and the decoration layer 1 is guaranteed.
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Novel preferred embodiments are shown, it should be noted that a variety of deformations and improvements can still be made for those of ordinary skill in the art without departing from the creative conception of the present invention, and these deformations and improvements all fall within the protection scope of the present invention.
| Number | Date | Country | Kind |
|---|---|---|---|
| 201510267920.4 | May 2015 | CN | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/CN2015/100070 | 12/31/2015 | WO | 00 |
