CN110894773A

CN110894773A - Moisture barrier window screening

Info

Publication number: CN110894773A
Application number: CN201911411996.4A
Authority: CN
Inventors: 仇永宏; 郭胜平; 丁亚男
Original assignee: Tianjin Hengyu Magnetic Plastic Products Co
Current assignee: Tianjin Hengyu Magnetic Plastic Products Co
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-20

Abstract

The utility model provides a moisture separation window screening, includes the yarn, the yarn includes horizontal yarn, vertical yarn, horizontal yarn and vertical yarn are worked out and are the gauze of window screening, and adjacent horizontal yarn, vertical yarn form the net of rectangular structure, on the gauze, the mesh number of net is decreased progressively from the top down in proper order, and the area of the net of rectangular structure increases progressively promptly, the yarn is the combined material window screening that the melt spinning was made is extruded in thermoplastic polymer base member and hydrophilic additive blending, the surface of yarn is through hydrophobic modified processing. The beneficial effects are as follows: when guaranteeing the circulation of air, effectively keep apart the moisture, guarantee indoor drying, production and use cost are low.

Description

Moisture barrier window screening

Technical Field

The invention relates to the field of window screening production, in particular to a moisture barrier window screening.

Background

In southern areas or coastal areas of China, the humidity is often high, especially in summer. When the indoor humidity is too high, the heat dissipation of the human body can be inhibited, and people feel very sultry and fidgetiness. In winter, when the indoor humidity is high, the heat conduction is accelerated.

The window screening has the characteristics of soft lighting, ventilation and ventilation, and along with the development of the technology, more and more functions are endowed to the window screening, such as self-regulation, heat insulation, mosquito repelling, unidirectional perspective and the like. Moisture barrier window screens are rarely seen today. If the novel design of the window screening can be used for realizing the functions of air circulation and moisture barrier, the window screening becomes a practical solution with low cost for the places with heavy moisture in the south.

Disclosure of Invention

The invention aims to solve the problems and designs a moisture barrier window screen. The specific design scheme is as follows:

the utility model provides a moisture separation window screening, includes the yarn, the yarn includes horizontal yarn, vertical yarn, horizontal yarn and vertical yarn are worked out and are the gauze of window screening, and adjacent horizontal yarn, vertical yarn form the net of rectangular structure, on the gauze, the mesh number of net is decreased progressively from the top down in proper order, and the area of the net of rectangular structure increases progressively promptly, the yarn is the combined material window screening that the melt spinning was made is extruded in thermoplastic polymer base member and hydrophilic additive blending, the surface of yarn is through hydrophobic modified processing.

The thermoplastic polymer matrix comprises at least one of polyester, polypropylene, polytetrafluoroethylene.

The hydrophilic additive is at least one of silicon dioxide, montmorillonite, zeolite and calcium carbonate.

The mass fraction ratio of the thermoplastic polymer matrix to the hydrophilic additive is 10: 1-10: 0.5.

the mesh number of the grids ranges from 200 to 10.

The mesh number of the grid is gradually decreased from top to bottom to the distance between the adjacent transverse yarns is gradually increased.

The hydrophobic modification process comprises soaking in liquid paraffin.

The hydrophobic modification process comprises plasma fluorination modification.

The hydrophobic modification process comprises polytetrafluoroethylene emulsion surface coating.

The moisture barrier window screening obtained by the technical scheme of the invention has the beneficial effects that:

when guaranteeing the circulation of air, effectively keep apart the moisture, guarantee indoor drying, production and use cost are low.

Drawings

FIG. 1 is a schematic view of the construction of a moisture barrier window screen according to the present invention;

in the figure, 1, cross-direction yarns; 2. a machine direction yarn; 3. a screen; 4. and (4) grid.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

The utility model provides a moisture separation window screening, includes the yarn, the yarn includes horizontal yarn 1, vertical yarn 2, horizontal yarn 1 is the gauze 3 of window screening with vertical yarn 2 establishment, and adjacent horizontal yarn 1, vertical yarn 2 form the net 4 of rectangular structure, on the gauze, net 4's mesh number from the top down is decremented in proper order, and the area of the net 4 of rectangular structure progressively increases up promptly, the yarn is the thermoplastic polymer base body and extrudes the combined material window screening that melt spinning made with hydrophilic additive blending, the surface of yarn is through hydrophobic modified processing.

the mesh number of the grid 4 ranges from 200 to 10.

The mesh number of the grid 4 is gradually decreased from top to bottom, and the distance between the adjacent transverse yarns 1 is gradually increased.

The hydrophobic modification process comprises soaking in liquid paraffin.

Example 1

The measurement experiment involves peaks and valleys, and if the mesh number is in the range of 10 mesh to 200 mesh, the experiment needs to include 10 mesh results and 200 mesh results.

Silica is used as a hydrophilic additive, polypropylene is used as a thermoplastic polymer matrix, and a weight ratio of 10:0.7, and measuring the indoor humidity and the water collection amount of the window screen in an environment with the outdoor relative humidity of 95% and the temperature of 30 ℃, wherein the mesh number of the sample is shown in table 1, the mesh number of the sample 1 is the peak value and the valley value of the mesh number of 4 grids, the mesh number difference is 190, the mesh number difference of the sample 1 to the sample 9 is decreased by taking 20 as a unit, the sample 10 is a normal window screen with the mesh number of 115, and the measurement results are shown in the following table:

sample numbering	Bottom/top mesh number of sample	Indoor humidity	Amount of collected water
				Sample
1	10/200	60％	55
				Sample 2	20/190	62％	52
Sample 3	30/180	63％	49
				Sample No. 4	40/170	64％	47
Sample No. 5	50/160	65％	46
				Sample No. 6	60/150	66％	44
Sample 7	70/140	67％	42
				Sample 8	80/130	68％	41
Sample 9	90/120	69％	40
				Sample 10	115/115	70％	40

Example 2

Silica is used as a hydrophilic additive, polypropylene is used as a thermoplastic polymer matrix, and a weight ratio of 10:0.7, preparing samples 1-10, measuring the indoor humidity and the water collection amount of the window screen in the environment with the relative humidity of 95% and the temperature of 30 ℃,

wherein the mesh number of the sample is shown in table 2, wherein the mesh number of the sample 1 is 10, the mesh number of the top and the mesh number of the bottom are respectively 40, the mesh number difference is 30, the mesh number of the sample 1-5 increases by 40 as a unit, the sample 6 is a common screen window with the mesh number of 25, the mesh number of the sample 6-10 increases by 40 as a unit:

sample numbering	Bottom/top mesh number of sample	Amount of collected water	Indoor humidity
				Sample
1	10/40	20	80％
				Sample
2	50/80	33	75％
				Sample
3	90/120	40	70％
				Sample No. 4	130/160	43	68％
Sample No. 5	170/200	46	65％
				Sample No. 6	35	16	82％
Sample 7	75	47	73％
				Sample 8	115	31	77％
Sample 9	155	41	70％
				Sample 10	195	45	66％

Example 3

Respectively taking silicon dioxide, montmorillonite, zeolite and calcium carbonate as hydrophilic additives, wherein the ratio of the hydrophilic additives is 10:0.7, and polytetrafluoroethylene as a thermoplastic polymer matrix, samples 1-4 were prepared, the top and bottom mesh numbers of which were 10, 200, respectively, and the indoor humidity and the water collection amount of the window screen were measured in an environment with a relative humidity of 95% and a temperature of 30 ℃, and the measurement results are shown in table 3:

sample numbering	Hydrophilic additive	Amount of collected water	Indoor humidity
				Sample
1	Silicon dioxide	55	60％
				Sample
2	Montmorillonite clay	50	58％
				Sample
3	Zeolite	53	59％
				Sample No. 4	Calcium carbonate	50	58％

On the basis of the embodiment, the above experiment can be repeated by respectively using polypropylene and polyester as thermoplastic polymer matrixes,

example 4

Samples 1-5 were prepared using silica as the hydrophilic additive and polypropylene as the thermoplastic polymer matrix, with top and bottom mesh numbers of 200, 10, respectively, and the proportions are as shown in table 4:

sample numbering	Thermoplastic polymer matrix/hydrophilic additives	Amount of collected water	Indoor humidity
				Sample
1	10：0.5	48	65％
				Sample
2	10：0.6	52	62％
				Sample
3	10：0.7	55	60％
				Sample No. 4	10：0.8	57	59％
Sample No. 5	10：0.9	59	58％
				Sample No. 6	10：1	61	57％

Example 5

Silica is used as a hydrophilic additive, polypropylene is used as a thermoplastic polymer matrix, and a weight ratio of 10:0.7, the top and bottom mesh numbers of the sample 1 are respectively 10 and 200, and the separation capability under different outdoor humidity conditions is respectively tested in an environment with an outdoor temperature of 30 ℃, and the measurement results are shown in table 5:

relative humidity of air	Amount of collected water	Relative humidity of room
			95％	55	60％
80％	60	57％
			60％	63	55％

Example 6

Silica is used as a hydrophilic additive, polypropylene is used as a thermoplastic polymer matrix, and a weight ratio of 10:0.7, the top and bottom mesh numbers of the sample 1 are respectively 10 and 200, and the separation capability under different outdoor temperature conditions is respectively tested in an environment with the outdoor humidity of 80%, and the measurement results are shown in the table:

example 7

In examples 1-6, the moisture barrier ability of the window screen was measured using the difference in mesh, hydrophilic additive formulation, thermoplastic polymer matrix formulation, humidity, and temperature as variables, respectively, and examples 1-6 were used as the basis to measure the moisture barrier ability of the window screen using a plurality of parameters as variables, and to test what materials, proportions, and mesh would be more effective in making the window screen in an environment of a specific temperature and humidity (the specific environment being determined by the area where the window screen is installed).

The present embodiment illustrates the above determination manner by way of example:

for example, in the inhabited Xixia area of Nanjing City in Jiangsu province, the summer temperature range is 26-33 ℃, the summer temperature is in the environment of 30 ℃ for a long time, similarly, the summer relative humidity is in the environment of 80% for a long time, the error is not more than 10%, after multivariable side view, the area is judged to adopt a silicon dioxide material as a hydrophilic additive, PET as a thermoplastic polymer matrix, the window gauze is manufactured according to the proportion of 10:0.7, under the condition of considering the manufacturing cost and the selling price, the window gauze manufactured according to the mesh numbers of the top and the bottom of 180 and 20 has the price and the moisture isolation capability reaching the optimal proportion (the processing cost is mainly reflected in the mesh number and the modification processing technology).

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The utility model provides a moisture separation window screening, includes the yarn, the yarn includes horizontal yarn (1), vertical yarn (2), horizontal yarn (1) is gauze (3) that the window screening was worked out with vertical yarn (2), and adjacent horizontal yarn (1), vertical yarn (2) form grid (4) of rectangular structure, its characterized in that, on the gauze, the mesh number of grid (4) is decreased progressively from the top down in proper order, and the area of grid (4) of rectangular structure progressively increases promptly, the yarn is the combined material window screening that melt spinning was made is extruded to thermoplastic polymer base member and hydrophilic additive blending, the surface of yarn is through hydrophobic modified processing.

2. The moisture barrier window screen of claim 1, wherein the thermoplastic polymer matrix comprises at least one of polyester, polypropylene, polytetrafluoroethylene.

3. The moisture barrier window screen of claim 1, wherein the hydrophilic additive is at least one of silica, montmorillonite, zeolite, calcium carbonate.

4. The moisture barrier window screen of claim 1, wherein the mass fraction ratio of the thermoplastic polymer matrix to the hydrophilic additive is 10: 1-10: 0.5.

5. moisture barrier window screening according to claim 1, characterized in that the mesh number of the grid (4) is in the range of 200-10.

6. Moisture barrier window screening according to claim 1, characterized in that the mesh number of the grid (4) decreases from top to bottom in a sequence with increasing distance between adjacent transverse yarns (1).

7. The moisture barrier window screen of claim 1, wherein the hydrophobically-modified finish comprises immersion in liquid paraffin.

8. The moisture barrier window screen of claim 1, wherein the hydrophobic modification process comprises a plasma fluorination modification.

9. The moisture barrier window screen of claim 1, wherein the hydrophobically-modified finish comprises a polytetrafluoroethylene emulsion surface coating.