TW201350334A - A PVB recycling materials processing of the coating layer structure of fabric - Google Patents

Abstract

The present invention as a PVB recycling materials processing of the coating layer structure of fabric, mainly recycled materials of polyvinyl butyral (Polyvinyl Butyral, PVB) materials and fabrics do combine its structure from the top Department of the PVB layerDepartment of the middle layer, adhesive layer and the bottom of the Department of the fabric layer fabric with a combination of the PVB layer with anti-UV shadowing, weather resistance, hydrolysis resistance, light resistance, high transparency and impact resistance, suitable for parasolshade tents and cover canvas aspects.

Description

Processing structure fabric with PVB recycled material coating layer

The present invention relates to a processed structural fabric having a PVB coating layer, in particular, a processing layer in which the upper layer is a PVB layer, the intermediate layer is an adhesive layer, and the bottom layer is a fabric layer, and has UV blocking properties, weather resistance, It is resistant to hydrolysis, light, high transparency and impact resistance. It is suitable for sun umbrellas, sunshade tents and covered canvas.

In the past, there was a laminate structure using metal powder mixed glue combined with a fabric, and having anti-UV, near-infrared rays, temperature storage and heat radiation resistance to form a better shielding isolation or environmental resistance, and its structure. At least: (1) a metal powder mixed film formed of a metal powder and a wet reactive glue. (2) The metal powder mixed film and the at least one polymer film form a bonding film with each other. (3) A composite structure formed by bonding the formed film formed in the above (2) to at least one type of cloth to be applied to a heat insulating clothes, clothes, a hat, a shoe, a protective clothing, a work clothes, an underwear, and a chest sticker. Wait. The metal powder refers to aluminum powder, titanium powder, zinc powder and magnesium powder and polymer film refers to ductile Teflon, biaxially stretched polyester, polyurethane, thermoplastic rubber and thermoplastic elastomer, although the above materials have Anti-UV...

It can not be used for environmentally recyclable materials, and it can be used for textiles.

The main object of the present invention is to propose a patent application for a processed structural fabric having a coating layer of a PVB recycled material. After the scraped glass is chopped, it is washed with water to remove dust, organic oil and impurities, and then precipitated with sodium sulfate. The glass is separated from the PVB. Therefore, the present invention mainly combines a polyvinyl butyral (PVB) material of a recycled material with a fabric, and the structure is composed of an upper layer of a PVB layer and an intermediate layer of an adhesive layer. And the bottom layer is a fabric layer, and the combination of the fabric and the PVB layer has anti-UV shielding property, weather resistance, hydrolysis resistance, light resistance, high transparency and impact resistance, and is suitable for the parasol, the sunshade tent and the canvas covering. .

The invention relates to a processing structure cloth with a coating layer of a PVB recycled material, mainly after taking out the PVB material of the intermediate layer in the glued glass, and the coating processing flow chart as shown in FIG. 1 is carried out by putting PUA 415~20%, solvent (EAC, butanol, MEK) A2 15~40%, binder A3 1~3%, PVB material A1 15~40% form adhesive A, take fabric (Nylon66, Nylon6, Cott
-on, Polyester, Mixed Spinning) After coating (1) C with a coating amount of 75-250 g/m ² , drying and winding (1) E at a temperature of 80-100 ° C to form a fabric through an oven D (1) F. Also, the PVB material G115~
40%, auxiliaries G2 1-2%, solvent G3 15 ~ 40% after stirring G' to form PVB resin H, and then coated fabric 1 with a coating amount of 75 ~ 250 g / m ² and then through the oven K to the temperature 80 ~ 100 ° C drying and winding (2) L to form the fabric (2) M. The first coating and the secondary coating processing layer form a three-layer structure layer 1': the upper layer is a PVB glue layer G, the middle layer is an adhesive layer A, and the bottom layer is a fabric B. As shown in FIG. 2, the present invention is The product has anti-UV shielding, weather resistance, hydrolysis resistance, light resistance, high transparency and impact resistance, suitable for sun umbrellas, sunshade tents and covered canvas.

In order to make the reviewer more apparent, the present invention is described by way of example as follows:

A plain weave fabric (200Dnylon×200Dnylon, 118T×1/1) was used as the coating processing cloth, and the coating (adhesive) was applied through a coater with a coating amount of 75-250 g/m ² as the first coating fabric. The secondary coating material is dried and then subjected to coiling at 80 to 100 ° C for 1 to 5 minutes in the oven, and the fabric coated with the first layer is further formed by stirring the second coating material through the oven. After drying at 80~100°C×1~5 minutes, heat treatment and coiling at 150°C×1~2 minutes.

The results of the PVB coated fabric physical property test results as shown in Table 1 were obtained, wherein the TVB+PU+ adjuvant was used as the coated fabric of the first knife and the second knife, wherein the tensile strength (kg/2.5 cm, ASTM D5035) was obtained. ) warp and latitude values are 35~
Between 49, the tear strength (kg/2.5cm, ASTM D5035) warp and weft values are between 4 and 6, and the ASTM G155-1×30 0hr weathering tensile strength ASTM D5034 has a warp value bf92~ Bf100, af28~af37 and latitudinal values are bf71~bf79, af20~af30, ASTM G155-1×30 0hr weathering tear strength ASTM D5034, warp direction bf92~bf100, af28~
The af37 and latitudinal values are bf71~bf79, af20~af30, AATCC127 hydrostatic pressure value mmH ₂ O value 400~1000, JISL1096B seam yarn strength length between 25~40, ASTM D3786 burst strength (kg/cm) ² ) 22
~23, AATCC22 water level 90~100 and UPF index value 100~140.

[Example 1]

Take a plain weave fabric (200DNylon × 200DNylon, 118T × 1 / 1) as a coating processing cloth, take the coating (adhesive) through the coater to coat 80g
/m ² as the first coating material of the coated fabric, as shown in the following item (1), after drying at 90 ° C for 1 minute, and then coiling, and then coating the fabric of the first layer. After the second coating material is stirred, the following is formed (two
As shown in the item, after drying at 85 ° C × 1 minute in the oven, pass 135
Heat treatment and coiling at °C × 1.5 minutes are shown in Table 1.

(A), the first coating material - adhesive layer

PVB resin 15~40%

Polyurethane (PU) 15 %

Solvent:

EAC 18~30%

MEK 15~25%

Bridging agent 1%

(B), the second coating material - adhesive layer

PVB resin 15~40%

Solvent:

EAC 17%

MEK 18%

[Example 2]

A plain weave fabric (200D Nylon×200D Nylon, 118T×1/1) was used as a coating fabric, and a coating (adhesive) was applied through a coater to coat a coating amount of 85.
The first coating material of g/m ² as the coated fabric is as shown in the following item (1), and is dried after being dried at 85 ° C for 1 minute in an oven, and the fabric of the first layer is coated. After the second coating material is stirred, it is formed as shown in the following item (2). After drying at 80 ° C for 1.5 minutes in an oven, heat treatment and coiling at 125 ° C for 1.5 minutes are shown in Table 1.

(A), the first coating material - adhesive layer

PVB resin 5%

Polyurethane (PU) 15%

Solvent:

EAC 7%

MEK 21%

TOL 7%

Bridging agent 2%

(2) The second coating material-PVB adhesive layer

PVB resin 40%

Solvent:

Ethanol 30%

EAC 7%

MEK 30%

TOL 7%

Bridging agent 1%

[Comparative Example 1]

A plain weave fabric (200 DNylon × 200 DNylon, 118T × 1 / 1) was used as a coating processing cloth, and a coating material (adhesive) was applied through a coater at a coating amount of 95 g/m ² as a first coating material of the coated fabric as follows As shown in item (1), after drying at 87 ° C × 1 minute in an oven, the fabric is coated, and the fabric coated with the first layer is further stirred by the second coating material to form the following item (2). As shown in the figure, after drying at 80 ° C for 1 minute in an oven, heat treatment and coiling at 120 ° C × 2 minutes are shown in Table 2.

(A), the first coating material - adhesive layer

Polyurethane (PU) 15%

Solvent:

EAC 6%

TOL 7%

Bridging agent 1%

(2) The second coating material-PU layer

PU resin 40%

Solvent:

EAC 6%

TOL 6%

Bridging agent 1%

[Comparative Example 2]

A plain weave fabric (70Dnylon×70DNylon, 210T, 1/1) was used as a coating processing cloth, and a coating material (adhesive) was applied through a coater at a coating amount of 90 g/m ² as a first coating material of the coated fabric as follows As shown in item (1), after drying at 85 °C for 1 minute, it is then taken up by coiling, and the fabric coated with the first layer is further formed by stirring the second coating material as (2) It is shown that after drying at 80 ° C for 1 minute in an oven, heat treatment and coiling at 100 ° C × 1.5 minutes are shown in Table 2.

(A), the first coating material - adhesive layer

Polyurethane (PU) 40%

Solvent:

EAC 6%

TOL 6%

Bridging agent 1%

(2) The second coating material-PU layer

PU resin 40%

Solvent:

EAC 6%

TOL 6%

Bridging agent 1%

As described above, in Comparative Example 2, compared with Comparative Example 1 and Comparative Example 2, a comparison table of the coating properties of the PVB coating layer and the PU coating layer is shown in Table 2, and a comparative example in which the PVB coating material is not applied is known. 1 (1st blade and 2nd blade coating PU) and Example 2 (1st blade coating PU+PVB), the tensile strength of Example 2 (kg/
2.5cm, ASTM D5035), tear strength (kg/2.5cm, ASTM D5035), weathering tensile strength (ASTMG155-1×300hr), and weathering resistance (ASTMG155-1×300hr) are greater than Comparative Example 1 and Comparative Example 2.

In addition, the first coating (1) and the second coating (II) were coated as described in Table 3 as follows:

(1) First coating layer:

PU 15%

PVB 5%

Bridging agent 2%

Butanol 21%

EAC 7%

TOL 7%

The first coating layer is coated on different fabrics and then coated with the second coating layer as follows:

(2) Second coating layer:

PVB 40%

Bridging agent 1%

Butanol 30%

Ethanol 30%

EAC 40%

For the above, please refer to Table 3 for the comparison of physical properties for tensile strength, tear strength, weathering tensile strength and weathering resistance N400D×(T1200
D+T150D), 98T plain weave>N400D×400D,112T,Dobby weaving>N400D×N400D,104T,1/1 plain weave>N400D×N400D,102T
, 2/1 plain weave>N200D×N200D, 118T, 1/1 plain weave>N400D
×N400D, 114T, 2/2 oxford fabric>N360D×N360D, 136T, 2/2 oxford fabric>T/CD150/3D×N400D, 143T, 2/1 twill fabric>T75D×T75D, 218, 1/1 plain fabric >N400D×400D, 112T,
Dobby woven fabric>N70D×N70D, 210T, 1/1 plain weave.

The invention relates to a processing structure cloth with a coating layer of PVB recycled material, which has met the patent requirements, and is now filed according to law.

1'. . . Three-layer structure

A. . . Adhesive layer

A1. . . PVB

A2. . . Solvent

A3. . . Bridging agent

A4. . . PU

B. . . Fabric

C. . . Coating 1

D, K. . . Oven

E. . . Rolling 1

F. . . Fabric 1

G’. . . Stir

G1. . . PVB

G2. . . Additive

G3. . . Solvent

H. . . PVB glue (resin)

I. . . Fabric 1

J. . . Coating 2

L. . . Rolling 2

M. . . Fabric 2

G. . . PVB adhesive layer

Figure 1 is a flow chart of the coating process of the present invention.

Figure 2 is a structural layer of the processed fabric of the present invention.

1'. . . Three-layer structure

A. . . Adhesive layer

B. . . Fabric layer

G. . . PVB adhesive layer

Claims (5)

A processing structural fabric having a coating layer of a PVB recycled material, wherein the bottom layer is a fabric; a nylon cloth, a polyester cloth, a cotton cloth or a blended fabric; and an intermediate layer (
Adhesive layer, first coating layer): Polyurethane accounted for 10~30%, PVB5~
20%, bridging agent 1~2% and solvent phase mixing and mixing: and surface layer (
The second coating layer): PVB occupies 5 to 40% and an auxiliary agent, and the formed three-layer structure fabric. The processed structural fabric of claim 1, wherein the PVB material is selected from the group consisting of recycled laminated glass. The processing structure fabric of claim 1, wherein the nylon fabric is a 70D-400D flat fabric, a Dobby woven fabric or an Oxford fabric. The processing structure fabric of claim 1, wherein the first coating layer is selected from the group consisting of butanol, ethyl acetate, bridging agent and ketone. The processing structure fabric of claim 1, wherein the second coating layer is selected from the group consisting of butanol, ethyl acetate, bridging agent and ketone.