TWI621675B - Adhesive composition, treated fabric and composite laminate - Google Patents

Abstract

An adhesive composition is used for adhering a fabric to an ethylene-propylene-diene rubber material unit, and includes a rubber latex, a phenolic polymer component, a cross-linking agent, and an accelerator. The cross-linking agent is selected from the group consisting of an acrylate compound, a methacrylate compound, an acrylate compound, a methacrylate compound, N, N'-m-phenylenemaleimide, or any combination thereof. And, based on the solid content of the rubber latex being 100 parts by weight, the content of the cross-linking agent ranges from 0.1 to less than 1.0 part by weight. Through the design of the cross-linking agent and its content, the adhesion between the bonding composition and the fabric and the ethylene-propylene-diene rubber material unit is improved, so that the fabric and the ethylene-propylene-diene rubber material unit are improved. The units are glued together and not easily detached from each other, and they are not easily detached from each other when used for a long period of high temperature.

Description

Adhesive composition, treated fabric and composite laminate

The invention relates to an adhesive, in particular to an adhesive composition comprising a rubber latex and a phenolic polymer.

Mainland China Publication No. 1314977 discloses a conveyor belt including two layers of adhesive rubber layers and a plurality of processed core lines bonded and buried between the adhesive rubber layers, wherein the adhesive rubber layers are made of ethylene-α-olefin-di Made of ene rubber. The treated core threads are formed by impregnating a plurality of core threads with a resorcinol-formaldehyde aqueous solution-latex adhesive composition, and then performing an adhesion treatment, wherein the adhesion treatment includes heating at 200 ° C to 240 ° C. Drying program. The resorcinol-formaldehyde aqueous solution-latex adhesive composition comprises a latex, a metal oxide, and a sulfur-containing vulcanization accelerator, and the solid component of the latex includes 50 wt% to 100 wt% of a chlorosulfonated polyethylene-based high Molecule, and the chlorosulfonated polyethylene polymer is selected from chlorosulfonated polyethylene and / or alkylated chlorosulfonated polyethylene. Through the chlorosulfonated polyethylene-based polymer, the treated core wire and the adhesive rubber layer have excellent dynamic adhesion, so the conveyor belt has excellent dynamic characteristics.

Although the conveyor belt has excellent dynamic characteristics, the adhesion between the treated core threads and the adhesive rubber layers is still not good, which makes the treated core threads and the adhesive rubber layers easy to separate from each other under long-term use. Even when the conveyor belt is at a high temperature for a long time, the adhesion between the treated core wires and the adhesive rubber layers becomes worse and it is easier to detach from each other, resulting in the conveyor belt being unable to be used and the life of the conveyor belt It meets the needs of the operators, which increases the cost of equipment.

Therefore, a first object of the present invention is to provide an adhesive composition capable of solving at least one of the disadvantages described in the prior art.

Therefore, the adhesive composition of the present invention is used to adhere a fabric to an ethylene-propylene-diene rubber material unit. The bonding composition includes a rubber latex, a phenolic polymer component, a crosslinking agent, and an accelerator. The cross-linking agent is selected from the group consisting of acrylate compounds, methacrylate compounds, acrylate compounds, methacrylate compounds, N, N'-m-phenylenemaleimide (N, N'- m-phenylenedimaleimide (PDM for short), or any combination thereof, and based on the solid content of the rubber latex being 100 parts by weight, the content of the cross-linking agent ranges from 0.1 part by weight to 1.0 part by weight.

A second object of the present invention is to provide a treated fabric.

Therefore, the treated fabric of the present invention is formed by contacting the above-mentioned bonding composition with a fabric and subjecting it to a heat treatment.

A third object of the present invention is to provide a composite laminated body.

Therefore, the composite laminated body of the present invention is formed by contacting the above-mentioned composition for adhesion with a fabric and performing a heat treatment, and then contacting the ethylene-propylene-diene rubber material unit and performing a heat-pressing treatment.

The effect of the present invention is: through the design of the cross-linking agent and its content, the adhesion between the adhesive composition and the fabric and the ethylene-propylene-diene rubber material unit is improved, so that the fabric and the ethylene- The propylene-diene rubber unit is bonded together, and it is not easy to detach from each other, and it is not easy to detach from each other when it is used under high temperature for a long time.

The content of the present invention will be described in detail below.

＜ Fabric ＞

The material of the fabric is, for example, but not limited to, polyethylene terephthalate (PET), polyamide (PA), or polyethylene naphthalate (PEN) )Wait.

In order to have better adhesion between the fabric and the adhesive composition of the present invention, the fabric includes a fabric body and a plurality of activating components disposed on the fabric body. The activating component is used to form a chemical bond with the adhesive composition of the present invention to improve the adhesion between the fabric and the adhesive composition of the present invention. The activating components are disposed inside or / and the surface of the fabric body. The fabric body has a plurality of interwoven yarns. The activating components are respectively disposed in the yarns. Each activating component includes at least one activating agent. The activator may be used singly or in combination. The activator may be, for example, but not limited to, an epoxy-based compound or an isocyanate-based compound.

The epoxy compound is an epoxy compound having at least two epoxy groups. This epoxy-based compound is formed by reacting a halogenated epoxide with a compound having at least two hydroxyl groups. The compound having at least two hydroxyl groups can be used singly or in combination, and the compound having at least two hydroxyl groups can be, for example, but not limited to, a polyhydric alcohol compound or a polyhydric phenol compound. The polyol-based compound is, for example, but not limited to, ethylene glycol, glycerin, sorbitol, and the like. The polyphenol compound is, for example, but not limited to, bisphenol A.

The isocyanate-based compound may be used singly or in combination. The isocyanate-based compound may be, for example, but not limited to, methylenediphenyl diisocyanate (MDI), toluene diisocyanate (TDI) or blocked. Blocked isocyanate-based compounds and the like. In order to prevent the reactive functional group of the isocyanate-based compound from reacting with water, so that the reactive functional group capable of reacting with the adhesive composition of the present invention is reduced, preferably, the isocyanate-based compound is a blocked isocyanate-based compound. This blocked isocyanate-based compound is formed by reacting a blocking agent with a reactive functional group of an isocyanate-based compound having a reactive functional group. This blocked isocyanate-based compound is used at a high temperature, and is deblocked to regenerate an isocyanate-based compound and a blocking agent having a reactive functional group. The capping agent is, for example, but not limited to, a compound containing active hydrogen. The active hydrogen-containing compounds may be used alone or in combination. The active hydrogen-containing compounds such as, but not limited to, caprolactam, methylethylketoxime, and diethyl malonate (diethyl malonate, referred to as DEM), ethyl acetoacetate, or sodium bisulfite.

<Ethylene-propylene-diene rubber material unit>

The ethylene-propylene-diene rubber material unit includes at least one layer of an ethylene-propylene-diene rubber material unit. The ethylene-propylene-diene-based rubber material includes a copolymer, and the copolymer is formed by polymerizing a component including an ethylene-based compound, a propylene-based compound, and a diene-based compound. In order to improve the heat-resistant adhesiveness of the ethylene-propylene-diene rubber material, this component further contains a peroxide. The ethylene-propylene-diene rubber material is, for example, but not limited to, an ethylene-propylene-diene rubber sheet, an ethylene-propylene-diene rubber block, or an ethylene-propylene-diene rubber film.

＜ Composition for Adhesion ＞＞

The bonding composition includes a rubber latex, a phenolic polymer component, a crosslinking agent, and an accelerator. Preferably, the total amount of the adhesive composition is 100 wt%, and the solid content of the adhesive composition ranges from 10 wt% to 30 wt%.

＜ Rubber latex ＞

The rubber latex is, for example, but not limited to, a styrene-butadiene latex, a styrene-butadiene latex, a chlorosulfonated polyolefin latex, and the like. Preferably, the rubber latex is a chlorosulfonated polyolefin latex. The chlorosulfonated polyolefin latex comprises a chlorosulfonated polyolefin. The chlorosulfonated polyolefin is, for example, but not limited to, chlorosulfonated polyethylene. The chlorosulfonated polyethylene has ethylene repeating units ( ), Vinyl chloride repeating unit ( ), And chlorosulfonated ethylene repeating unit ( ).

<Phenolic polymer component>

The phenolic polymer component comprises a phenolic polymer. The phenolic polymer is, for example, but not limited to, a phenolic polymer formed by a condensation polymerization reaction of a hydroquinone compound and an aldehyde compound in the presence of a basic catalyst. The hydroquinone-based compound is, for example, but not limited to, hydroquinone. The aldehyde-based compound is, for example, but not limited to, formaldehyde. Preferably, the molar ratio of the hydroquinone compound to the aldehyde compound ranges from 1: 3 to 3: 1. Preferably, the reaction temperature of the condensation polymerization reaction ranges from 20 ° C to 40 ° C. Preferably, the reaction time of the condensation polymerization reaction ranges from 4 hours to 6 hours. The content of the phenolic polymer ranges from 10 parts by weight to 35 parts by weight based on the solid content of the rubber latex. The alkaline catalyst is, for example, but not limited to, sodium hydroxide, potassium hydroxide, or magnesium hydroxide.

＜ crosslinking agent ＞

In order to make the adhesion between the adhesive composition and the fabric and the ethylene-propylene-diene rubber material unit better, it is preferable that the crosslinker is based on 100 parts by weight of the solid content of the rubber latex. The content range is 0.1 to 0.8 parts by weight. More preferably, the content of the cross-linking agent ranges from 0.1 parts by weight to 0.75 parts by weight based on the solid content of the rubber latex. Still more preferably, the content of the crosslinking agent ranges from 0.25 to 0.75 parts by weight based on 100 parts by weight of the solid content of the rubber latex.

The acrylate compound in the cross-linking agent may be used alone or in combination. The acrylate compound such as, but not limited to, trimethylolpropane triacrylate (TMPTA) or ethylene glycol diacrylate. Ester (ethylene glycol diacrylate, EGDA for short). The methacrylate compounds in the cross-linking agent can be used alone or in combination. The methacrylate compounds such as, but not limited to, trimethylolpropane trimethacrylate (TMPTMA) . The acrylate-based compound may be used alone or in combination, and the acrylate-based compound is, for example, but not limited to, a zinc acrylate-based compound. The zinc acrylate-based compound is, for example but not limited to, zinc diacrylate (ZDA). The methacrylate-based compound may be used alone or in combination, and the methacrylate-based compound is, for example, but not limited to, a zinc methacrylate-based compound. The zinc methacrylate-based compound is, for example, but not limited to, zinc dimethacrylate (ZDMA). Preferably, the cross-linking agent is selected from the group consisting of trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, ethylene glycol diacrylate, N, N'-m-phenylene bismaleimide Amine, zinc diacrylate, zinc dimethacrylate, or any combination thereof. Preferably, the cross-linking agent is N, N'-m-phenylenedimaleimide.

＜ Accelerators ＞

The adhesive composition of the present invention further contains an accelerator. The accelerator is used to accelerate the cross-linking reaction between the cross-linking agent and the fabric or between the cross-linking agent and the ethylene-propylene-diene rubber material unit. In order to effectively promote the cross-linking reaction between the cross-linking agent and the fabric or between the cross-linking agent and the ethylene-propylene-diene rubber material unit, so as to improve the adhesion composition and the fabric and the ethylene-propylene -Adhesive force between diene rubber material units and avoiding the rubber latex in the adhesive composition from reacting by itself, resulting in lowering the adhesion between the adhesive composition and the fabric and the ethylene-propylene-diene rubber material unit Preferably, the content of the accelerator ranges from 1 part by weight to 15 parts by weight based on 100 parts by weight of the solid content of the rubber latex. More preferably, the content of the accelerator ranges from 3 parts by weight to 10 parts by weight based on the solid content of the rubber latex. Still more preferably, the content of the accelerator ranges from 5 parts by weight to 8 parts by weight based on the solid content of the rubber latex. The accelerator can be used singly or in combination, and the accelerator such as, but not limited to, thiazole-based accelerators, sulphenamide-based accelerators, and thiuram sulphide- based) accelerator, or a dithiocarbamate-based accelerator, and the like. The thiazole-based accelerator is, for example, but not limited to, dibenzothiazyl disulfide (MBTS). Preferably, the accelerator is a thiazole-based accelerator.

<Metal oxide>

The adhesive composition of the present invention further contains a metal oxide. The metal oxide is used to form a highly reactive complex with the accelerator to accelerate the cross-linking between the cross-linking agent and the fabric or the cross-linking agent and the ethylene-propylene-diene rubber material unit. And prevent the rubber latex in the adhesive composition from reacting by itself, resulting in a decrease in adhesion between the adhesive composition and the fabric and the ethylene-propylene-diene rubber material unit. The rubber latex has a solid content of 100 parts by weight, and the content of the metal oxide ranges from 1 to 10 parts by weight. More preferably, the content of the metal oxide ranges from 1 part by weight to 5 parts by weight based on the solid content of the rubber latex. Still more preferably, based on the solid content of the rubber latex being 100 parts by weight, the content of the metal oxide ranges from 1 part by weight to 2 parts by weight. The metal oxide may be used singly or in combination, and the metal oxide is, for example, but not limited to, zinc oxide (ZnO), magnesium oxide (MgO), lead oxide (PbO), and the like. Preferably, the metal oxide is zinc oxide.

When the metal oxide is used together with the accelerator, in order to make the adhesion between the adhesive composition and the fabric and the ethylene-propylene-diene rubber material unit better, it is preferable to use the rubber latex The solid form is divided into 100 parts by weight, and the total amount and range of the metal oxide and the accelerator are 2 to 25 parts by weight. More preferably, the total amount and range of the metal oxide and the accelerator are in the range of 4 parts by weight to 15 parts by weight based on the solid content of the rubber latex. Still more preferably, based on the solid content of the rubber latex being 100 parts by weight, the total amount and range of the metal oxide and the accelerator are 6 to 10 parts by weight.

＜＜ Treatment Fabric ＞＞

The treated fabric is formed by contacting the above-mentioned bonding composition with a fabric and subjecting it to a heat treatment. The fabric is as described above, so it will not be described again. The method for contacting the adhesive composition with the fabric is, for example, but not limited to, a gravure coating method, a spray coating method, or a dip coating method. The heat treatment is used to form a chemical bond between the bonding composition and the fabric, so as to improve the adhesion between the bonding composition and the fabric. The temperature and time of the heat treatment are adjusted according to the type and thickness of the fabric and the amount of the bonding composition on the fabric. In order to effectively form a chemical bond between the adhesive composition and the fabric, and to avoid excessive reaction between the adhesive composition and the fabric, the adhesive composition cannot be used with the ethylene-propylene-diene rubber. The material units form chemical bonds. Preferably, the operating temperature range of the heat treatment is 120 ° C to 180 ° C. Preferably, the operation time of the heat treatment ranges from 0.5 minutes to 3 minutes.

＜＜ Composite Laminated Body ＞＞

The composite laminated body is formed by contacting the above-mentioned bonding composition with a fabric and performing a heat treatment, and then contacting the ethylene-propylene-diene rubber material unit and performing a hot pressing treatment. The fabric, the heat treatment, and the ethylene-propylene-diene rubber material unit are as described above, and will not be described again. The hot-pressing treatment is used to form a chemical bond between the adhesive composition and the ethylene-propylene-diene rubber material unit, so as to improve the adhesion between the adhesive composition and the ethylene-propylene-diene rubber material unit. force. The temperature and time of the hot-pressing treatment are adjusted according to the amount of the adhesion composition on the fabric and the amount or thickness of the ethylene-propylene-diene rubber material unit. Preferably, the operating temperature of the hot-pressing treatment ranges from 150 ° C to 170 ° C. Preferably, the operation time of the hot pressing treatment ranges from 20 minutes to 40 minutes.

The composite laminate can be applied to a conveyor belt and can be used as part or all of the conveyor belt. The conveyor belt is, for example, a conveyor belt for conveying coal slag in a power plant, a conveyor belt for conveying sintered ore or steel slag in a steel plant, a conveyor belt for conveying high temperature materials in a cement plant, or a high temperature conveying plant Material conveyor.

The present invention will be further described with reference to the following examples, but it should be understood that this example is for illustrative purposes only and should not be construed as a limitation on the implementation of the present invention.

Preparation Example 1 Aqueous solution of N, N'-m-phenylenemaleimide

1000 g of water was mixed with 4.4 g of N, N'-m-phenylenemaleimide and dispersed for 1 hour with stirring.

Preparation Example 2 Triallyl isocyanurate aqueous solution

1000 g of water was mixed with 4.4 g of triallyl isocyanurate and dispersed for 1 hour with stirring.

Example 1 Adhesive composition

200 g of water was mixed with 0.7 g of sodium hydroxide and stirred until the sodium hydroxide was completely dissolved, then 11 g of resorcinol was added and stirred until the resorcinol was completely dissolved, then 16.2 g and concentration were added It is a 37 wt% formaldehyde solution and is stirred at 30 ± 2 ° C for 5 hours to form a phenolic polymer component. A 10 wt% potassium hydroxide aqueous solution was added to a chlorosulfonated polyethylene latex (manufactured by Sumitomo Refining, model: Sepolex CSM) to adjust the pH of the chlorosulfonated polyethylene latex to between 6.5 and 7.5 to form a treated Chlorosulfonated polyethylene latex. 256.4 grams of the treated chlorosulfonated polyethylene latex was mixed with the phenolic polymer component and stirred well, and then 14.65 grams of a functional reagent containing zinc oxide and dibenzothiazole disulfide (manufactured by Sumitomo Refinery, model : DZ42, the solid content is 42%, the weight ratio of zinc oxide to dibenzothiazole disulfide is 1: 5) and 153.7 g of water, and it is stirred at 30 ± 2 ° C for 2 hours. Then, 23.2 g of the N, N'-m-phenylenemaleimide aqueous solution of Preparation Example 1 was added and stirred for 0.5 hours.

Examples 2 to 4 and Comparative Examples 1 to 3

Examples 2 to 4 and Comparative Examples 1 to 3 were prepared in the same manner as in Example 1 except that Table 1 shows the differences.

Table 1 Unit: grams Examples Comparative example 1 2 3 4 1 2 3 Phenolic polymer component (solid content of 7.76 wt%) water 200 200 200 200 200 200 200 Sodium hydroxide 0.7 0.7 0.7 0.7 0.7 0.7 0.7 Resorcinol 11 11 11 11 11 11 11 Formaldehyde solution (concentration: 37 wt%) 16.2 16.2 16.2 16.2 16.2 16.2 16.2 Rubber latex Treated chlorosulfonated polyethylene latex 256.4 256.4 256.4 256.4 256.4 256.4 256.4 Functional reagent DZ42 (42% solid content) 14.65 14.65 14.65 14.65 14.65 14.65 14.65 water 153.70 118.75 60.50 2.25 177.00 0.00 153.70 Cross-linker-containing aqueous solution N, N'-M-phenylenedimaleimide aqueous solution 23.2 58.25 116.5 174.75 - 233.0 - Triallyl isocyanurate in water - - - - - - 23.2 Content of total solids of the composition for adhesion (wt%) 18.7 18.7 18.7 18.7 18.7 17.3 18.7 Ratio of weight of solid content of chlorosulfonated polyethylene latex to weight of solid content of phenolic polymer component 6 6 6 6 6 6 6 (Weight of solid content of functional reagent / Weight of solid content of treated chlorosulfonated polyethylene latex) × 100 6 6 6 6 6 6 6 (Weight of crosslinking agent / weight of solid content of treated chlorosulfonated polyethylene latex) × 100 0.1 0.25 0.5 0.75 - 1.0 0.1

Application example 1 Composite laminated body

Polyethylene terephthalate fabric (Yadong Industrial-EE200 AAY, activated yarn) was immersed in the bonding composition of Example 1, and then placed in a certain type of dryer (brand: Rapid; model: R -3), and drying at 120 ° C for 120 seconds to remove moisture, and then heating to 150 ° C for 180 seconds to form a chemical bond between the fabric and the composition for bonding, A treated fabric is formed. An ethylene-propylene-diene-based rubber material unit is provided, and the ethylene-propylene-diene-based rubber material unit includes a first ethylene-propylene-diene-based rubber sheet having a thickness of 0.8 mm (brand: Taiwan Sanwu Manufactured by Rubber Factory Co., Ltd .; model: HP100) and a second ethylene-propylene-diene rubber sheet (brand: Taiwan No.3) set on the first ethylene-propylene-diene rubber sheet and having a thickness of 2.5 mm Made by Five Rubber Factory Co., Ltd .; Model: HR500; Composition: Ethylene-propylene-diene rubber). The first ethylene-propylene-diene rubber sheet of the ethylene-propylene-diene rubber material unit was covered on the treated fabric to form a laminate. The laminate was then placed in a hot-press forming tester (brand: Baoda International Instruments; model: PT-3110) for a hot-pressing process, and the operating temperature of the hot-pressing process was 160 ° C. , Operating pressure is 10 Mpa and operating time is 30 minutes. After the hot-pressing treatment is completed, the sample is left to cool at room temperature for 16 hours, and then cut to a length of 15 cm and a width of 2.5 cm to form a composite laminate.

Application Examples 2 to 4 and Comparative Application Examples 1 to 3 Composite laminates

Application Examples 2 to 4 and Comparative Application Examples 1 to 3 were used to prepare a composite laminate in the same procedure as in Application Example 1, except that the composition for bonding was changed, as shown in Table 2.

Comparative application example 4

Polyethylene terephthalate fabric (brand: Yadong Industrial; model: EE200 AAY) was immersed in the adhesive composition of Comparative Example 1 and then placed in a certain type of dryer (brand: Rapid; model) : R-3), and dried at 120 ° C. for 120 seconds to remove moisture, and then heated to 150 ° C. for 180 seconds to form a half finished product. An ethylene-propylene-diene rubber sheet (brand: made by Taiwan Sanwu Rubber Factory Co., Ltd .; model: HP100) was dissolved in toluene to form a coating solution. The coating solution was coated on the surface of the semi-finished product, and then heated at 80 ° C. for 3 minutes to remove toluene to form a treated fabric. An ethylene-propylene-diene-based rubber material unit is provided, and the ethylene-propylene-diene-based rubber material unit includes a first ethylene-propylene-diene-based rubber sheet having a thickness of 0.8 mm (brand: Taiwan Sanwu Manufactured by Rubber Factory Co., Ltd .; model: HP100) and a second ethylene-propylene-diene rubber sheet (brand: Taiwan No.3) set on the first ethylene-propylene-diene rubber sheet and having a thickness of 2.5 mm Made by Five Rubber Factory Co., Ltd .; Model: HR500; Composition: Ethylene-propylene-diene rubber). The first ethylene-propylene-diene rubber sheet of the ethylene-propylene-diene rubber material unit was covered on the treated fabric to form a laminate. The laminate was then placed in a hot-press forming tester (brand: Baoda International Instruments; model: PT-3110) for a hot-pressing process, and the operating temperature of the hot-pressing process was 160 ° C. , Operating pressure is 10 Mpa and operating time is 30 minutes. After the hot-pressing treatment is completed, the sample is left to cool at room temperature for 16 hours, and then cut to a length of 15 cm and a width of 2.5 cm to form a composite laminate.

Evaluation item

Initial adhesion force measurement: A tensile tester (brand: Instron; model: 5566) was used to perform adhesion force tests on the composite laminates of application examples 1 to 4 and comparative application examples 1 to 4 according to the standard method ASTM D4393-04, and The tensile speed for this test was set to 100 mm / min.

Aging and strength measurement: The composite laminates of application examples 1 to 4 and comparative application examples 1 to 4 described in the initial adhesion measurement were placed in a hot air oven (brand: Prema; model: RHD) set at 200 ° C -452) for 4 hours, then taken out of the hot air oven and cooled, and then using a tensile tester (brand: Instron; model: 5566) according to the standard method ASTM D4393-04 for application examples 1 to 4 and comparative application example 1 The composite laminates of 4 to 4 were subjected to the adhesion force test, and the tensile speed of the test was set to 100 mm / min.

Rubber coverage (unit:%): visually observe the composite laminates of application examples 1 to 4 and comparative application examples 1 to 4 after initial strength measurement and after aging and strength measurement, and evaluate the composite laminate The extent to which the ethylene-propylene-diene rubber material unit covers the treated fabric. ○: 70% to 100%; △: 40% to less than 70%; ╳: <40%.

Dipping pick up (DPU for short, unit:%): The treated fabrics of Application Examples 1 to 4 and Comparative Application Examples 1 to 4 were used to calculate the content of the bonding composition through Formula (1). The formula (1) is the dipping rate (%) = [(treated fabric weight-fabric weight) / fabric weight] × 100%.

Table 2 Application example Comparative application example 1 2 3 4 1 2 3 4 Examples 1 2 3 4 - - - - Comparative example - - - - 1 2 3 1 initial Force (N / mm) 8.21 9.18 8.96 7.98 3.74 2.51 4.16 8.03 Rubber coverage (%) ○ ○ ○ ○ △ ╳ △ ○ Ageing Force (N / mm) 5.37 6.89 6.61 5.63 1.93 1.23 5.72 3.63 Rubber coverage (%) ○ ○ ○ ○ ╳ ╳ ○ △ Dipping rate (%) 2.86 2.93 2.97 2.95 3.03 3.10 3.03 3.03

From the experimental data of Application Examples 1 to 4 and Comparative Application Example 1 in Table 2, it can be known that the composite laminate of Comparative Application Example 1 does not contain a cross-linking agent because the bonding composition used does not include a crosslinker, so that the fabric and the ethylene-propylene- The adhesion force between the diene rubber material units is not good. However, the composite laminates according to the application examples 1 to 4 of the present invention contain a crosslinking agent because the adhesive composition used includes the fabric and the ethylene-propylene-diene system. Adhesion between rubber material units is improved.

From the experimental data of Application Examples 1 to 4 and Comparative Application Example 2 in Table 2, it can be seen that the composite laminate of Comparative Application Example 2 has an excessively high content of the crosslinking agent for the adhesive composition used, which makes the fabric and the ethylene -The adhesion between the propylene-diene-based rubber material units is not good, and the composite laminates of Application Examples 1 to 5 of the present invention have a crosslinking agent content of 0.1 to 0.75 parts by weight due to the content of the crosslinking composition used Based on 100 parts by weight of the solid content of the chlorosulfonated polyethylene latex, the adhesion between the fabric and the ethylene-propylene-diene rubber material unit is improved.

From the experimental data of Application Examples 1 to 4 and Comparative Application Example 3 in Table 2, it can be seen that the cross-linking agent of the bonding composition used in the composite laminate of Comparative Application Example 3 is triallyl isocyanurate. As a result, the adhesion between the fabric and the ethylene-propylene-diene rubber material unit is poor, and the composite laminates of Application Examples 1 to 4 of the present invention are N, N because of the cross-linking agent of the adhesive composition used. '-M-phenylenebismaleimide makes the adhesion between the fabric and the ethylene-propylene-diene rubber material unit better.

From the experimental data of Application Examples 1 to 4 and Comparative Application Example 4 in Table 2, it can be known that the composite laminate of Comparative Application Example 4 does not contain a cross-linking agent because the adhesive composition used does not contain a cross-linking agent, and although it uses a coating solution to assist The adhesive force between the adhesive composition and the ethylene-propylene-diene rubber material unit, but the adhesive force between the fabric and the ethylene-propylene-diene rubber material unit is still not good, and the application example of the present invention Since the composite laminates 1 to 4 contain a crosslinking agent, the adhesion between the fabric and the ethylene-propylene-diene rubber material unit is improved.

In summary, through the design of the cross-linking agent and its content, the adhesion between the adhesive composition and the fabric and the ethylene-propylene-diene rubber material unit is improved, so that the fabric and the ethylene- The propylene-diene rubber material units are adhered together, and it is not easy to be separated from each other, and it is not easy to be separated from each other when used at a high temperature for a long time, so it can indeed achieve the purpose of the present invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application and the contents of the patent specification of the present invention are still Within the scope of the invention patent.

Claims (9)

An adhesive composition for adhering a fabric to an ethylene-propylene-diene rubber material unit, comprising: a rubber latex; a phenolic polymer component, including a phenolic polymer; and a crosslinking agent, wherein the crosslinking agent Selected from acrylate compounds, methacrylate compounds, acrylate compounds, methacrylate compounds, N, N'-m-phenylenebismaleimide, or any combination thereof, and The rubber latex has a solid content of 100 parts by weight, and the content of the crosslinking agent ranges from 0.1 part by weight to less than 1.0 part by weight; and an accelerator. The adhesive composition according to claim 1, wherein the content of the crosslinking agent ranges from 0.1 to 0.8 parts by weight based on 100 parts by weight of the solid content of the rubber latex. The adhesive composition according to claim 1, wherein the crosslinking agent is selected from the group consisting of trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, ethylene glycol diacrylate, N, N'-m-phenylenebismaleimide, zinc diacrylate, zinc dimethacrylate, or any combination thereof. The adhesive composition according to claim 1, wherein the content of the accelerator ranges from 1 part by weight to 15 parts by weight based on the solid content of the rubber latex. The adhesive composition according to claim 1, further comprising a metal oxide. The adhesive composition according to claim 5, wherein the content of the metal oxide ranges from 1 part by weight to 10 parts by weight based on the solid content of the rubber latex. The composition for adhesion according to claim 1, wherein the phenolic polymer is a phenolic polymer formed by a condensation polymerization reaction of a hydroquinone-based compound and an aldehyde-based compound. A treated fabric formed by contacting a bonding composition according to any one of claims 1 to 7 with a fabric and subjecting it to a heat treatment. A composite laminated body is obtained by contacting a bonding composition according to any one of claims 1 to 7 with a fabric and performing a heat treatment, and then contacting the ethylene-propylene-diene rubber material unit and performing the same. Formed by a hot pressing process.