CN115926214B - A method for bonding rubber and nylon fabric - Google Patents
A method for bonding rubber and nylon fabric Download PDFInfo
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- CN115926214B CN115926214B CN202310011588.XA CN202310011588A CN115926214B CN 115926214 B CN115926214 B CN 115926214B CN 202310011588 A CN202310011588 A CN 202310011588A CN 115926214 B CN115926214 B CN 115926214B
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Abstract
The invention provides a method for bonding rubber and nylon fabric, and belongs to the field of high polymer materials. The invention provides a method for bonding rubber and nylon fabric, which is characterized in that the surface of the nylon fabric is modified by amino-carbene acid, amino and carboxyl in the amino-carbene acid and amino and carboxyl on the surface of the nylon fabric form ammonium carboxylate ionic bond or hydrogen bond, unsaturated double bond in the amino-carbene acid is combined with the rubber through vulcanization, the strength of the modified nylon fabric and the rubber is greatly increased, and meanwhile, an adhesive A is added into rubber compound, and an adhesive system of the rubber compound and an adhesive system attached to the nylon fabric are mutually penetrated, so that the adhesive strength of the rubber and the nylon fabric is further improved, and the adhesive strength reaches more than 7N/mm.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a method for bonding rubber and nylon fabric.
Background
The adhesion of rubber and fabric is a common problem in the preparation of rubber products, the common method is to add an adhesive to the fabric by coating adhesive cement or rubber compound, wherein the common adhesive system is a metaplasia white system, but white carbon black in the metaplasia white system adhesive cement is not easy to disperse, the preparation time is long, meanwhile, the adhesive is singly added to the fabric by coating adhesive cement or rubber compound, the adhesive strength of the rubber and the fabric is usually too low, and the high-strength adhesion is difficult to achieve usually in the range of 2-5N/mm.
Disclosure of Invention
In view of the above, the present invention aims to provide a method for bonding rubber and nylon fabric. The bonding method provided by the invention ensures that the bonding strength of the rubber and the nylon fabric is more than 7N/mm.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a method for bonding rubber and nylon fabric, which comprises the following steps:
coating an adhesive on the surface of the nylon fabric, drying, calendering rubber compound and vulcanizing;
The adhesive comprises, by mass, 10 parts of resorcinol, 5-20 parts of an adhesive A, 0.5-10 parts of an amino carbene acid and 30-1000 parts of a solvent, wherein the amino carbene acid has a structure shown in a formula I:
in the formula I, R 1 and R 2 are independently hydrocarbon groups or hydrogen, and R 1 and/or R 2 contain carbon-carbon double bonds;
The rubber compound comprises, by mass, 100 parts of rubber, 0-7 parts of zinc oxide, 0-5 parts of stearic acid, 0-10 parts of an anti-aging agent, 1-10 parts of resorcinol, 1-70 parts of white carbon black, 1-15 parts of an adhesive A and 0.5-5 parts of a vulcanizing agent, wherein the parts of zinc oxide, stearic acid and the anti-aging agent are not 0.
Preferably, the adhesive comprises, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 2-5 parts of an amino carbene acid and 200 parts of a solvent.
Preferably, the amino carbene acid is 4-amino-5-hexenoic acid or 2-amino-8-nonenoic acid.
Preferably, the rubber compound comprises the following components, by mass, 100 parts of rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of a vulcanizing agent.
Preferably, the vulcanizing agent is sulfur or a peroxide vulcanizing agent.
Preferably, the rubber comprises one or more of nitrile rubber, natural rubber, ethylene propylene rubber, neoprene rubber, butyl rubber, silicone rubber, styrene butadiene rubber, and silicone rubber.
Preferably, the anti-aging agent includes one or more of an anti-aging agent RD, an anti-aging agent 4020, an anti-aging agent 4010NA, an anti-aging agent MB, an anti-aging agent MBZ, an anti-aging agent NBC, an anti-aging agent 2246S, an anti-aging agent 246, an anti-aging agent SP, an anti-aging agent 6DDP, an anti-aging agent UOP588, an anti-aging agent UOP788, an anti-aging agent DD, an anti-aging agent AW, and an anti-aging agent D.
Preferably, the coating amount after drying is 1-50 g/m 2.
Preferably, the load of the rubber compound is 50-10000 g/m 2.
Preferably, the vulcanizing temperature is 100-180 ℃, the vulcanizing time is 3-60 min, and the vulcanizing pressure is 10-25 MPa.
The invention provides a method for bonding rubber and nylon fabric, which comprises the following steps of sequentially coating an adhesive on the surface of the nylon fabric, drying, calendaring rubber compound and vulcanizing, wherein the adhesive comprises the following components in parts by weight:
R 1 and R 2 in formula I are independently hydrocarbyl or hydrogen, and the R 1 and/or R 2 contain a carbon-carbon double bond;
The rubber compound comprises, by mass, 100 parts of rubber, 0-7 parts of zinc oxide, 0-5 parts of stearic acid, 0-10 parts of an anti-aging agent, 1-10 parts of resorcinol, 1-70 parts of white carbon black, 1-15 parts of an adhesive A and 0.5-5 parts of a vulcanizing agent, wherein the parts of zinc oxide, stearic acid and the anti-aging agent are not 0.
Compared with the prior art, the invention has the following beneficial effects:
The invention provides a method for bonding rubber and nylon fabric, which is characterized in that the surface of the nylon fabric is modified by amino-carbene acid, amino and carboxyl in the amino-carbene acid and amino and carboxyl on the surface of the nylon fabric form ammonium carboxylate ionic bond or hydrogen bond, unsaturated double bond in the amino-carbene acid is combined with the rubber through vulcanization, the strength of the modified nylon fabric and the rubber is greatly increased, and meanwhile, an adhesive A is added into rubber compound, and an adhesive system of the rubber compound and an adhesive system attached to the nylon fabric are mutually penetrated, so that the adhesive strength of the rubber and the nylon fabric is further improved, and the adhesive strength reaches more than 7N/mm.
The adhesive system of the adhesive and the rubber compound is uniformly dispersed by the solvent, so that the adhesive system permeates into the surface and the inside of the nylon fabric, and the adhesive method is simple.
Detailed Description
The invention provides a method for bonding rubber and nylon fabric, which comprises the following steps:
coating an adhesive on the surface of the nylon fabric, drying, calendering rubber compound and vulcanizing;
The adhesive comprises, by mass, 10 parts of resorcinol, 5-20 parts of an adhesive A, 0.5-10 parts of an amino carbene acid and 30-1000 parts of a solvent, wherein the amino carbene acid has a structure shown in a formula I:
R 1 and R 2 in formula I are independently hydrocarbyl or hydrogen, and the R 1 and/or R 2 contain a carbon-carbon double bond;
The rubber compound comprises, by mass, 100 parts of rubber, 0-7 parts of zinc oxide, 0-5 parts of stearic acid, 0-10 parts of an anti-aging agent, 1-10 parts of resorcinol, 1-70 parts of white carbon black, 1-15 parts of an adhesive A and 0.5-5 parts of a vulcanizing agent, wherein the parts of zinc oxide, stearic acid and the anti-aging agent are not 0.
In the present invention, all materials used are commercial products in the art unless otherwise specified.
In the invention, the weight part of the adhesive A in the adhesive is preferably 12 parts.
In the invention, the adhesive preferably comprises the following components in parts by mass of 10 parts of resorcinol, 12 parts of adhesive A, 2-5 parts of amino carbene acid and 200 parts of solvent.
In the present invention, the amino carbene acid is preferably 4-amino-5-hexenoic acid or 2-amino-8-nonenoic acid.
In the present invention, the solvent preferably includes one or more of water, ethanol and ethyl acetate.
The preparation method of the adhesive is not particularly limited, and the adhesive is prepared by a preparation method of a composition well known to a person skilled in the art.
In the present invention, the coating amount after drying is preferably 1 to 50g/m 2, more preferably 8g/m 2.
In the present invention, the drying serves to remove the solvent.
In the invention, the rubber compound preferably comprises the following components in parts by mass of 100 parts of rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of a vulcanizing agent.
In the present invention, the vulcanizing agent is preferably sulfur or a peroxide vulcanizing agent.
In the present invention, the rubber preferably includes one or more of nitrile rubber, natural rubber, ethylene propylene rubber, chloroprene rubber, butyl rubber, silicone rubber, styrene-butadiene rubber and silicone rubber.
In the present invention, the antioxidant preferably includes one or more of an antioxidant RD, an antioxidant 4020, an antioxidant 4010NA, an antioxidant MB, an antioxidant MBZ, an antioxidant NBC, an antioxidant 2246S, an antioxidant 246, an antioxidant SP, an antioxidant 6DDP, an antioxidant UOP588, an antioxidant UOP788, an antioxidant DD, an antioxidant AW, and an antioxidant D.
The method for preparing the rubber compound is not particularly limited, and the compound can be prepared by a method for preparing a composition well known to a person skilled in the art.
In the invention, the loading of the rubber compound is preferably 50-10000 g/m 2, more preferably 2000g/m 2.
The specific manner of the calendering is not particularly limited in the present invention, and the effect of the calendering is to better adhere the rubber compound to the nylon fabric for better subsequent vulcanization.
In the invention, the temperature of the vulcanization is preferably 100-180 ℃, more preferably 160 ℃, and the time is preferably 3-60 min, more preferably 20min, and the pressure is preferably 10-25 MPa, more preferably 15MPa.
In order to further illustrate the present invention, the following examples are provided to describe in detail the method of bonding rubber to nylon fabric provided by the present invention, but they should not be construed as limiting the scope of the present invention.
Example 1
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 2 parts of 4-amino-5-hexenoic acid and 200 parts of solvent ethanol, wherein the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 8.7N/mm.
Example 2
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 3 parts of 4-amino-5-hexenoic acid and 200 parts of ethyl acetate, wherein the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the bonding strength of the rubber and the fabric is 9.1N/mm.
Example 3
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 5 parts of 4-amino-5-hexenoic acid and 200 parts of ethanol, wherein the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the bonding strength of the rubber and the fabric is 9.4N/mm.
Example 4
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 3 parts of 2-amino-8-nonenoic acid and 200 parts of ethyl acetate, wherein the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 9.8N/mm.
Example 5
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 4 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 10.1N/mm.
Example 6
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 0.5 part of 2-amino-8-nonenoic acid, 200 parts of solvent ethyl acetate, and the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 7.2N/mm.
Example 7
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 10 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the bonding strength of the rubber and the fabric is 9.5N/mm.
Example 8
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 20 parts of an adhesive A, 5 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 8.7N/mm.
Example 9
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 5 parts of an adhesive A, 5 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the bonding strength of the rubber and the fabric is 9.2N/mm.
Example 10
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 5 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 10 parts of resorcinol, 30 parts of white carbon black, 15 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 9.6N/mm.
Example 11
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 5 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 1 part of resorcinol, 30 parts of white carbon black, 1 part of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 7.2N/mm.
Example 12
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 20 parts of an adhesive A, 5 parts of 2-amino-8-nonenoic acid and 1000 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 5 parts of resorcinol, 30 parts of white carbon black, 6 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 8.1N/mm.
Example 13
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 4 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 50g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 10.5N/mm.
Example 14
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 4 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 50g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 25MPa, and the adhesive strength of the rubber and the fabric is 11.0N/mm.
Example 15
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 4 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 50g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out for 160 ℃ multiplied by 20min and 10MPa, and the adhesive strength of the rubber and the fabric is 10.4N/mm after the test.
Example 16
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 15 parts of 2-amino-8-nonenoic acid and 200 parts of solvent ethyl acetate, wherein the rubber mixing rubber comprises, by mass, 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 1 part of resorcinol, 30 parts of white carbon black, 1 part of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 8.7N/mm.
Example 17
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 15 parts of 2-amino-8-nonenoic acid and 200 parts of a solvent, wherein the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 10 parts of resorcinol, 30 parts of white carbon black, 20 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 7.5N/mm.
Comparative example 1
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A and 200 parts of ethanol, and the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 5.7N/mm.
Comparative example 2
The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 12 parts of an adhesive A, 2 parts of 4-amino-5-hexenoic acid and 200 parts of ethanol, wherein the rubber mixed rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 30 parts of white carbon black and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 6.2N/mm.
Comparative example 3
1) The adhesive is prepared from the following components, by mass, 10 parts of resorcinol, 25 parts of an adhesive A, 5 parts of 2-amino-8-nonenoic acid and 200 parts of a solvent, wherein the rubber mixing rubber is prepared from 100 parts of nitrile rubber, 5 parts of zinc oxide, 2 parts of stearic acid, 4 parts of an anti-aging agent RD, 2.5 parts of resorcinol, 30 parts of white carbon black, 3 parts of an adhesive A and 2.5 parts of sulfur;
2) The nylon 66 cord fabric is coated by the adhesive, and then dried at 80 ℃ (the coating amount after drying is 8g/m 2);
3) Calendering the rubber compound on the fabric (load 2000g/m 2);
4) The vulcanization is carried out at 160 ℃ for 20min and 15MPa, and the adhesive strength of the rubber and the fabric is 6.5N/mm.
The results of example 1 and comparative example 2 show that the addition of an amino carbene acid can greatly increase the adhesive strength of the rubber to the nylon fabric, and the results of example 1 and comparative example 1 show that the adhesive strength of the rubber to the nylon fabric is much lower than that of the single coating of the adhesive on the nylon fabric, as well as the addition of the adhesive to the rubber compound.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be comprehended within the scope of the present invention.
Claims (10)
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| CN103242777A (en) * | 2013-04-28 | 2013-08-14 | 北京化工大学 | Bonding layer rubber material for high-temperature resistant aramid fiber canvas core conveyer belt, and using method of bonding layer rubber material |
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| CA958826A (en) * | 1970-12-04 | 1974-12-03 | Shoji Tanaka | Adhesive composition |
| US6046262A (en) * | 1998-03-09 | 2000-04-04 | Milliken & Company | Composition for promoting adhesion between rubber and textiles |
| JP7348143B2 (en) * | 2019-07-22 | 2023-09-20 | 三ツ星ベルト株式会社 | Rubber composition, method for producing the same, and power transmission belt |
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|---|---|---|---|---|
| GB1125831A (en) * | 1965-05-07 | 1968-09-05 | Stamicarbon | Process for bonding rubber to textiles |
| CN103242777A (en) * | 2013-04-28 | 2013-08-14 | 北京化工大学 | Bonding layer rubber material for high-temperature resistant aramid fiber canvas core conveyer belt, and using method of bonding layer rubber material |
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| CN115926214A (en) | 2023-04-07 |
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