CN112175564A - High-wear-resistance environment-friendly adhesive for bonding seat leather - Google Patents
High-wear-resistance environment-friendly adhesive for bonding seat leather Download PDFInfo
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- CN112175564A CN112175564A CN202011178060.4A CN202011178060A CN112175564A CN 112175564 A CN112175564 A CN 112175564A CN 202011178060 A CN202011178060 A CN 202011178060A CN 112175564 A CN112175564 A CN 112175564A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention provides a high-wear-resistance environment-friendly adhesive for bonding seat leather, which comprises the following components in parts by mass: 0-10 parts of environment-friendly resin containing double chains and carboxyl active genes, 30-50 parts of aqueous polyurethane resin emulsion, 6-8 parts of a dihydric alcohol chain extender, 10-20 parts of an organic solvent, 5-10 parts of activated carbon particles, 0-20 parts of an unsaturated monomer polymer, 1-3 parts of a catalyst, 0.1-5 parts of a dispersant and 0.1-10 parts of a coupling agent, wherein the solid content of the aqueous polyurethane resin emulsion is 20-30 wt%, and the aqueous polyurethane resin emulsion comprises the following components in parts by mass: 10-20 parts of methyl ethyl ketoxime, 40-60 parts of polyol, 10-20 parts of diisocyanate, 5-10 parts of a hardening agent, 1-10 parts of isooctyl acrylate, 1-3 parts of lauroyl peroxide, 0.1-5 parts of vinyl acetate and 0.1-5 parts of ethyl acetate. The invention has low volatility, high wear resistance, high tear resistance and surface hydrophobic property, and can adjust the proportion of the environment-friendly resin according to the requirement of cost, thereby adjusting the integral environment-friendly property.
Description
Technical Field
The invention relates to the field of environment-friendly resin, in particular to a high-wear-resistance environment-friendly adhesive for bonding seat leather.
Background
Data in recent years show that cervical spondylosis and lumbar disc herniation of young people greatly rise, most of the young people spend time in offices, return to the morning and evening, and basically sit on own office chairs, and the importance of the quality of the office chairs is higher and higher. In order to mount the leather on the seat, it is generally necessary to attach the leather of the composite molding to the mounting portions such as the edges, corners, and lines of the seat, and then to fix the molding to the frame of the seat, thereby ensuring the aesthetic appearance of the seat. The leather is generally bonded by various leather adhesives mainly composed of resin.
Emulsions of composite resins such as polyacrylate and polyurethane have been widely used in textile fields such as textile finishing and leather finishing because of their excellent physical properties and economical efficiency. However, with the development of modern industry and the higher pursuit of quality of life, the awareness of environmental protection is also receiving more and more attention from the world. The solvent type finishing agent and the coating agent contain a large amount of volatile organic solvents, and are discharged into the atmosphere in the using process, so that the environment is damaged, the body health is harmed, and precious resources are wasted.
The polyurethane resin system is a polymer containing-NHCOO-repetitive structural units on a main chain, and is a high polymer material with the characteristics of high strength, tear resistance, wear resistance and the like. The polyurethane synthetic leather prepared from the wet-process polyurethane resin slurry has soft and natural luster, soft hand feeling and strong real leather feeling of appearance, but the hydrolysis resistance of the polyurethane synthetic leather can not meet the use requirement of products although the polyurethane synthetic leather has better bonding fastness with base cloth and solves the problem of lower peeling strength of the products. The polyurethane resin system in the prior art is usually formed by reacting diiso-nitrilic acid ester with polyester polyol in the presence of DMF as a solvent, wherein DMF is also called dimethylformamide, is a chemical raw material with extremely wide application and is also an excellent solvent with wide application, and is mainly used for sterilization, mildew prevention and the like in the processes of production, storage, transportation and the like of leather, shoes and textiles, and dimethylformamide is a good solvent for various high polymers such as polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide and the like, and can be used for wet spinning of synthetic fibers such as polyacrylonitrile fibers and the like and synthesis of polyurethane. However, DMF is moderately toxic and has some damage to the liver and kidney after being contacted with the human body at a close distance.
Because office seats are not frequently in direct contact with skin, the requirement on water resistance is not high, the requirements on wear resistance and tear resistance are high, and meanwhile, in consideration of economy, manufacturers do not consider to use a textile leather adhesive on the seats, so that the leather seat adhesive on the market at present usually uses polyurethane prepared from wet polyurethane resin slurry as the adhesive, and although the requirement on use can be met reluctantly, the improvement space is still large.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a high-wear-resistance environment-friendly adhesive for bonding seat leather, has low volatility, high wear resistance, high tear resistance and surface hydrophobic property, and can adjust the proportion of environment-friendly resin according to the requirement of cost so as to adjust the integral environment-friendly property.
The invention comprises the following components in parts by mass: 0-10 parts of environment-friendly resin containing double chains and carboxyl active genes, 30-50 parts of waterborne polyurethane resin emulsion, 6-8 parts of a dihydric alcohol chain extender, 10-20 parts of an organic solvent, 5-10 parts of activated carbon particles, 0-20 parts of an unsaturated monomer polymer, 1-3 parts of a catalyst, 0.1-5 parts of a dispersant and 0.1-10 parts of a coupling agent, wherein the organic solvent is a mixture prepared from one of n-butyl alcohol, n-butyl ether, 1, 1-dibromobutane and n-butyl acetate and glycerol in a ratio of 1:1, and the waterborne polyurethane resin emulsion has a solid content of 20-30 wt% and comprises the following components in parts by mass: 10-20 parts of methyl ethyl ketoxime, 40-60 parts of polyol, 10-20 parts of diisocyanate, 5-10 parts of a hardening agent, 1-10 parts of isooctyl acrylate, 1-3 parts of lauroyl peroxide, 0.1-5 parts of vinyl acetate and 0.1-5 parts of ethyl acetate.
In a further improvement, the hardener is an aromatic amine hardener.
In a further improvement, the hardening agent comprises the following components in percentage by mass: 5-10 parts of diaminodiphenylmethane, 5-10 parts of m-phenylenediamine and 1-5 parts of diaminodiphenylmethane.
Further improved, the environment-friendly resin with double chains and carboxyl active genes is natural vegetable oil, and the acid value is 60-120 mgKOH/g.
Further improved, the polyol in the aqueous polyurethane resin emulsion is polyether polyol or polyester polyol.
In a further improvement, the polyether polyol is polyoxypropylene glycol ether, polytetramethylene ether glycol or dipropylene glycol dimethyl ether.
In a further improvement, the polyester polyol is polycaprolactone polyol.
In a further improvement, the unsaturated monomer polymer comprises vinyl, and is externally connected with C1-7 alkyl, C6-12 aryl or C6-10 alicyclic hydrocarbon.
The catalyst is a mixture of an organic tin compound and a Bismuth catalyst, wherein the Bismuth catalyst is 8-10 times of the organic tin compound in mass.
In a further improvement, the coupling agent is one or a mixture of two of a silane coupling agent and a titanate coupling agent.
The invention has the beneficial effects that:
1. the low-volatility resin component and the organic solvent are selected, and the volatilization of the organic solvent is inhibited by the activated carbon particles, so that the organic solvent is harmless to human bodies.
2. Through the adjustment of the proportion of the aqueous polyurethane resin emulsion and the matching of the hardening agent, the polyurethane resin emulsion has high wear resistance, high tear resistance and surface hydrophobic property, and is suitable for the adhesion of leather materials on seats.
3. The proportion of the environment-friendly resin containing the double-chain and carboxyl activity genes and the aqueous polyurethane resin emulsion is adjusted according to the requirement of cost, the higher the proportion of the environment-friendly resin containing the double-chain and carboxyl activity genes is, the better the overall environment-friendly performance is, but the production cost is also correspondingly improved. The production process can be used for producing products with different price intervals according to different proportions of the environment-friendly resin containing double chains and carboxyl active genes.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1
The invention comprises the following components in parts by mass: 50 parts of aqueous polyurethane resin emulsion, 6 parts of a dihydric alcohol chain extender, 10 parts of an organic solvent, 5 parts of activated carbon particles, 1 part of a catalyst, 0.1 part of a dispersant and 0.1 part of a coupling agent, wherein the organic solvent is a mixture of n-butyl alcohol and glycerol in a ratio of 1:1, the solid content of the aqueous polyurethane resin emulsion is 20 wt%, and the aqueous polyurethane resin emulsion comprises the following components in parts by mass: 10 parts of methyl ethyl ketoxime, 60 parts of polyol, 10 parts of diisocyanate, 5 parts of a hardening agent, 1 part of isooctyl acrylate, 1 part of lauroyl peroxide, 0.1 part of vinyl acetate and 0.1 part of ethyl acetate.
The hardener is an aromatic amine hardener and comprises the following components in parts by mass: 5 parts of diaminodiphenylmethane, 5 parts of m-phenylenediamine and 5 parts of diaminodiphenylmethane.
The environment-friendly resin with double chains and carboxyl active genes is natural vegetable oil, and the acid value is 60-120 mgKOH/g.
The polyalcohol in the aqueous polyurethane resin emulsion is dipropylene glycol dimethyl ether.
The unsaturated monomer polymer comprises vinyl, and is externally connected with C1-7 alkyl, C6-12 aryl or C6-10 alicyclic hydrocarbon.
The catalyst is a mixture of an organic tin compound and a Bismuth catalyst, wherein the Bismuth catalyst is 8-10 times of the organic tin compound in mass.
The coupling agent is a silane coupling agent
Example 2
The invention comprises the following components in parts by mass: 10 parts of environment-friendly resin containing double chains and carboxyl active genes, 30 parts of waterborne polyurethane resin emulsion, 8 parts of a dihydric alcohol chain extender, 20 parts of an organic solvent, 10 parts of activated carbon particles, 20 parts of an unsaturated monomer polymer, 3 parts of a catalyst, 5 parts of a dispersing agent and 10 parts of a coupling agent, wherein the organic solvent is a mixture of 1, 1-dibromobutane and glycerol in a ratio of 1:1, and the waterborne polyurethane resin emulsion has a solid content of 30 wt% and comprises the following components in parts by mass: 20 parts of polyol 40 parts, diisocyanate 20 parts, a hardening agent 10 parts, isooctyl acrylate 10 parts, lauroyl peroxide 3 parts, vinyl acetate 5 parts and ethyl acetate 5 parts.
The hardener is an aromatic amine hardener and comprises the following components in parts by mass: 10 parts of diaminodiphenylmethane, 10 parts of m-phenylenediamine and 1 part of diaminodiphenylmethane.
The environment-friendly resin with double chains and carboxyl active genes is natural vegetable oil, and the acid value is 60-120 mgKOH/g.
The polyol in the aqueous polyurethane resin emulsion is polycaprolactone polyol.
The unsaturated monomer polymer comprises vinyl, and is externally connected with C1-7 alkyl, C6-12 aryl or C6-10 alicyclic hydrocarbon.
The catalyst is a mixture of an organic tin compound and a Bismuth catalyst, wherein the Bismuth catalyst is 8-10 times of the organic tin compound in mass.
The coupling agent is a mixture of a silane coupling agent and a titanate coupling agent.
Example 3
The invention comprises the following components in parts by mass: 5 parts of environment-friendly resin containing double chains and carboxyl active genes, 40 parts of aqueous polyurethane resin emulsion, 7 parts of a dihydric alcohol chain extender, 15 parts of an organic solvent, 7 parts of activated carbon particles, 10 parts of an unsaturated monomer polymer, 2 parts of a catalyst, 2 parts of a dispersant and 4 parts of a coupling agent, wherein the organic solvent is a mixture of n-butyl acetate and glycerol in a ratio of 1:1, the aqueous polyurethane resin emulsion has a solid content of 25 wt% and comprises the following components in parts by mass: 15 parts of methyl ethyl ketoxime, 50 parts of polyol, 15 parts of diisocyanate, 7 parts of a hardening agent, 5 parts of isooctyl acrylate, 2 parts of lauroyl peroxide, 2 parts of vinyl acetate and 2 parts of ethyl acetate.
The hardener is an aromatic amine hardener and comprises the following components in parts by mass: 7 parts of diaminodiphenylmethane, 7 parts of m-phenylenediamine and 3 parts of diaminodiphenylmethane.
The environment-friendly resin with double chains and carboxyl active genes is natural vegetable oil, and the acid value is 60-120 mgKOH/g.
The polyalcohol in the aqueous polyurethane resin emulsion is polytetramethylene ether glycol.
The unsaturated monomer polymer comprises vinyl, and is externally connected with C1-7 alkyl, C6-12 aryl or C6-10 alicyclic hydrocarbon.
The catalyst is a mixture of an organic tin compound and a Bismuth catalyst, wherein the Bismuth catalyst is 8-10 times of the organic tin compound in mass.
The coupling agent is one or a mixture of two of a silane coupling agent and a titanate coupling agent.
While the invention has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The high-wear-resistance environment-friendly adhesive for bonding the seat leather is characterized by comprising the following components in parts by mass: 0-10 parts of environment-friendly resin containing double chains and carboxyl active genes, 30-50 parts of waterborne polyurethane resin emulsion, 6-8 parts of a dihydric alcohol chain extender, 10-20 parts of an organic solvent, 5-10 parts of activated carbon particles, 0-20 parts of an unsaturated monomer polymer, 1-3 parts of a catalyst, 0.1-5 parts of a dispersant and 0.1-10 parts of a coupling agent, wherein the organic solvent is a mixture prepared from one of n-butyl alcohol, n-butyl ether, 1, 1-dibromobutane and n-butyl acetate and glycerol in a ratio of 1:1, and the waterborne polyurethane resin emulsion has a solid content of 20-30 wt% and comprises the following components in parts by mass: 10-20 parts of methyl ethyl ketoxime, 40-60 parts of polyol, 10-20 parts of diisocyanate, 5-10 parts of a hardening agent, 1-10 parts of isooctyl acrylate, 1-3 parts of lauroyl peroxide, 0.1-5 parts of vinyl acetate and 0.1-5 parts of ethyl acetate.
2. The high wear-resistant environment-friendly adhesive for bonding seat leather according to claim 1, characterized in that: the hardener is aromatic amine hardener.
3. The high wear-resistant environment-friendly adhesive for bonding seat leather according to claim 2, characterized in that: the hardening agent comprises the following components in percentage by mass: 5-10 parts of diaminodiphenylmethane, 5-10 parts of m-phenylenediamine and 1-5 parts of diaminodiphenylmethane.
4. The high wear-resistant environment-friendly adhesive for bonding seat leather according to claim 1, characterized in that: the environment-friendly resin with double chains and carboxyl active genes is natural vegetable oil, and the acid value is 60-120 mgKOH/g.
5. An eco-friendly resin composite for textile according to claim 1, wherein: the polyol in the aqueous polyurethane resin emulsion is polyether polyol or polyester polyol.
6. An eco-friendly resin composite for textile according to claim 5, wherein: the polyether polyol is polyoxypropylene glycol ether, polytetramethylene ether glycol or dipropylene glycol dimethyl ether.
7. An eco-friendly resin composite for textile according to claim 5, wherein: the polyester polyol is polycaprolactone polyol.
8. The high wear-resistant environment-friendly adhesive for bonding seat leather according to claim 1, characterized in that: the unsaturated monomer polymer comprises vinyl, and is externally connected with C1-7 alkyl, C6-12 aryl or C6-10 alicyclic hydrocarbon.
9. The high wear-resistant environment-friendly adhesive for bonding seat leather according to claim 1, characterized in that: the catalyst is a mixture of an organic tin compound and a Bismuth catalyst, wherein the Bismuth catalyst is 8-10 times of the organic tin compound in mass.
10. The high wear-resistant environment-friendly adhesive for bonding seat leather according to claim 1, characterized in that: the coupling agent is one or a mixture of two of a silane coupling agent and a titanate coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178060.4A CN112175564A (en) | 2020-10-29 | 2020-10-29 | High-wear-resistance environment-friendly adhesive for bonding seat leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178060.4A CN112175564A (en) | 2020-10-29 | 2020-10-29 | High-wear-resistance environment-friendly adhesive for bonding seat leather |
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| CN112175564A true CN112175564A (en) | 2021-01-05 |
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| CN202011178060.4A Pending CN112175564A (en) | 2020-10-29 | 2020-10-29 | High-wear-resistance environment-friendly adhesive for bonding seat leather |
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