CN101691693B - Water PU polish processing agent for synthetic leather - Google Patents
Water PU polish processing agent for synthetic leather Download PDFInfo
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- CN101691693B CN101691693B CN2009100362514A CN200910036251A CN101691693B CN 101691693 B CN101691693 B CN 101691693B CN 2009100362514 A CN2009100362514 A CN 2009100362514A CN 200910036251 A CN200910036251 A CN 200910036251A CN 101691693 B CN101691693 B CN 101691693B
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Abstract
The invention discloses a water PU polish processing agent for synthetic leather, which is composed of the raw materials in the following weight percent: 10-20% of water acrylic acid resin, 10-20% of water baking finish resin, 50-60% of water, 3-5% of modified organic silicon polymer, 0.5-1% of organic silicon flatting agent, 2-5% of organic silicon defoaming agent, and 0.5-2% of water PU thickening agent. The proportion of each components of the water PU polish processing agent for synthetic leather provided by the invention is scientific and reasonable, the components coordinate mutually and exert synergic effects, the polish processing agent has the advantages of good film forming property, firm bonding, solvent-resisting, cold-resisting, hydrolysis-resisting, thermal ageing-resisting of the coating. The finished product made by using the polish processing agent provided by the invention to process the surface of the synthetic leather has the feature of not influencing the original effect of the leather surface, after leather surface processing and polish processing, polishing surface effect on the prudent patterns of the leather surface is good and a contrast of polishing with matting of the groove bottom is formed, thus having unique polish effect.
Description
Technical field
The present invention relates to a kind of use for synthetic leather and scald the place's agent of bright table, particularly a kind of use for synthetic leather water-based PU that is applied to synthetic leather rear section technology scalds the place's agent of bright table.
Background technology
The raising of Along with people's life water article, people pursue high-quality daily product gradually, and the demand of leather products is more and more, and along with the enhancing of animal protection consciousness, animal corium can not satisfy people's demand.At present, the synthetic leather product becomes following popular trend gradually, and synthetic leather has been widely used in products such as producing case and bag, clothes, footwear; The base fabric of PU leather is the good canvas PU material of tensile strength, except can being coated in base fabric top, in the middle of can also base fabric being included in; Make it outward appearance and can't see the existence of base fabric; It is good that PU leather has physical property, and anti-complications, pliability is good, tensile strength is big, have gas permeability, so PU removes from office and is widely used in the lining of footwear or the position that case and bag bear weight.After the PU leather is synthetic; The leather that often need obtain having the different performance characteristics with some surface conditioning agents processing; Scalding the place's agent of bright table is surface conditioning agent commonly used in the synthetic leather, and synthetic leather significantly scalds bright effect through scalding can produce after the agent of bright table place is handled, and receives people's extensive favor.
At present, the use for synthetic leather of selling on the market is scalded the place's agent of bright table and is generally the place's agent of solvent-borne type table, and is not enough below it exists:
1, solvent-borne type scalds the bottom dissolving that the organic solvent that contains in the place's agent of bright table can cause synthetic leather or artificial leather, and synthetic leather feel after treatment is bad;
2, not only cost is higher, smell is bigger for the organic solvent that contains in the boiling hot bright table place's agent of solvent-borne type, is prone to contaminated environment, and has potential safety hazards such as inflammable, explosive;
3, solvent-borne type scalds the synthetic leather product that the place's agent of bright table prepares, and resultant effects such as its viscosity, stability, hand sense of touch are not good.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is to overcome solvent to scald the deficiency that bright list processing agent exists, and provides a kind of and anti-ly opens, resultant effects such as modulus, elongation and adhesiveness are good, are the water PU polish processing agent for synthetic leather of solvent with water.
Technical scheme: for solving above technical problem, the present invention takes following technical scheme:
A kind of water PU polish processing agent for synthetic leather, it is made up of following raw materials by weight percent: water-borne acrylic resin 10～20%, water-based stoving paint resin 10-20%, water 50～60%, silicon modified organic polymer 3～5%, organosilicon levelling agent 0.5～1%, silicone defoaming agent 2～5%, aqueous polyurethane thickener 0.5～2%.
As preferred version; Water PU polish processing agent for synthetic leather of the present invention, it is made up of following raw materials by weight percent: water-borne acrylic resin 15～20%, water-based stoving paint resin 15-20%, water 50～55%, silicon modified organic polymer 4～5%, organosilicon levelling agent 0.5～1%, silicone defoaming agent 2～3%, aqueous polyurethane thickener 1～2%.
Wherein water-borne acrylic resin and water-based stoving paint resin are the matrix resin of list processing agent of the present invention; Described crosslinked acrylic resin, film forming are transparent article body shape, and resilience is good; And the anti-tortuosity that tool is good; Cold resistance, soft in the film forming, good dispersion, water proof and wearable are wiped, and rate of drying reaches good resistance to blocking, the characteristics of high glaze soon; Described water-based stoving paint resin can be carboxy acrylic and the aliphatic polyurethane grafting forms; Wherein the water-based stoving paint resin can with the water-borne acrylic resin cross-linking reaction; Prepare water-based stoving paint, be fit to preparation the high synthetic leather of apparent index requests such as gloss, richness.Water-based stoving paint resin of the present invention has excellent crosslinked hardness and recoatability advantage preferably, can adopt wetly to bump wet or wet and bump dried prepared.
Wherein said silicon modified organic polymer can be organic silicon-acrylate copolymer emulsion, modifying epoxy resin by organosilicon, organosilicon modified polyether, organic silicon modified polyurethane or organic-silicon-modified fluorocarbon polymer.Silicon modified organic polymer is meant introduces organic polymer to improve its performance with the organosilicon strand; Can make full use of organosilyl various excellent properties like this; Like weatherability, resistance to soiling and the high-and low-temperature resistance property of excellence, hydrophobicity is strong, air permeability and good etc.; Organosilicon deficiency on the high side can be overcome again, the characteristics that the polymers for general use consumption is big, cost is low can be brought into play again simultaneously.
The preferred nonionic polyurethane polymer of aqueous polyurethane thickener wherein; Its thickening efficiency is high, and it can make waterborne polyurethane resin reach certain viscosity, the standard that it is suited the requirements; Viscosity in moderate shear and the high shearing scope is provided, and has excellent levelling, flowability.
Wherein the water as retarder thinner is common running water, has avoided the use of organic solvents such as dimethyl formamide, butanone, environmental protection and saving cost.
The preparation method of water PU polish processing agent for synthetic leather provided by the invention may further comprise the steps:
1. choose water-borne acrylic resin, water-based stoving paint resin, silicon modified organic polymer, silicone defoaming agent, organosilicon levelling agent and water in proportion, mix, stirred 2 to 3 hours, fully mixing, subsequent use;
2. get mixture grinding, filtration that 1. step reacts gained;
3. get step and 2. filter the mixture that obtains, add aqueous polyurethane thickener in proportion, stir and promptly get described water PU polish processing agent for synthetic leather.
The used water of above preparation method can be common running water, and aqueous polyurethane thickener can be the nonionic polyurethane polymer.
Beneficial effect: solvent-borne type PU ironing brightness treating agent is compared and is had following advantage in water-based PU ironing brightness treating agent provided by the invention and the prior art:
1, the used solvent of ironing brightness treating agent provided by the invention is a water, have do not fire, safety, environmental protection, cost-effective performance.
2, ironing brightness treating agent provided by the invention shows through experimental study, and each set of dispense of forming ironing brightness treating agent is than scientific and reasonable; Coordination, acting in conjunction each other between component; Ironing brightness treating agent have good film-forming property, bonding firmly, the anti-solvent of coating, cold-resistant, hydrolysis, heat-proof aging advantage, with the finished product of processing behind the ironing brightness treating agent processing synthetic leather provided by the invention surface, having does not influence that its leather surface is former to produce effect; Again through scalding bright processing; Bright effect on the leather surface protruding pattern is good, forms bright mist contrast with bottom of trench, has unique boiling hot bright effect; And its leather quality of the synthetic leather after handling is fine and smooth, good permeability, and aspect resultant effects such as feel, waterproof, bonding are good.
3, this water-based PU ironing brightness treating agent is used on existing synthetic leather production line, need not to change the production technology and the equipment of existing synthetic leather, can not increase the synthetic leather production cost of products.
4, the preparation method of water-based PU ironing brightness treating agent provided by the invention is workable, production efficiency is high, cost is low, environmental protection, can realize industrialized production.
The specific embodiment
Below in conjunction with specific embodiment; Further illustrate the present invention; Should understand these embodiment only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Embodiment 1
1, water PU polish processing agent for synthetic leather is made up of following raw material: 30 kilograms of water-borne acrylic resins (30% solid content); 70 kilograms of water-based stoving paint resins; 180 kilograms in running water, 5 kilograms of silicon modified organic polymers, 4 kilograms of aqueous polyurethane thickeners; 0.8 kilogram of silicone defoaming agent, 2 kilograms of organosilicon levelling agents.
2, the preparation method of water PU polish processing agent for synthetic leather of the present invention is following:
1. choose 30 kilograms of water-borne acrylic resins (30% solid content) in proportion, 70 kilograms of water-based stoving paint resins; 5 kilograms of silicon modified organic polymers, 0.8 kilogram of silicone defoaming agent, 2 kilograms of organosilicon levelling agents; 180 kilograms in running water mixes, stirred 2 to 3 hours, fully mixing, subsequent use;
2. get mixture grinding, filtration that 1. step reacts gained;
3. get step and 2. filter the mixture that obtains, add 4 kilograms of aqueous polyurethane thickeners in proportion, stir and promptly get described water PU polish processing agent for synthetic leather.
3, experiment detects the technical performance index by the 2 PU ironing brightness treating agents that prepare, and concrete experimental result is as shown in table 1:
The technical performance testing result of table 1PU ironing brightness treating agent
| Project | Detect index | Testing result |
| PH value | 6.5～8 | 6.8 |
| Outward appearance | The oyster white thick liquid | The oyster white thick liquid |
| Stability | There are not deposition, nondiscolouring in 6 months | There are not deposition, nondiscolouring in 6 months |
| Viscosity (cps) | 300～500 | 300 |
| Solid content (%) | 11±1 | 11 |
Embodiment 2
1, water PU polish processing agent for synthetic leather is made up of following raw material: 40 kilograms of water-borne acrylic resins (30% solid content); 40 kilograms of water-based stoving paint resins; 120 kilograms in running water, 10 kilograms of organic silicon-acrylate copolymer emulsions, 4 kilograms of aqueous polyurethane thickeners; 10 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents.
2, the preparation method of water PU polish processing agent for synthetic leather of the present invention is following:
1. choose 40 kilograms of water-borne acrylic resins (30% solid content) in proportion; 40 kilograms of water-based stoving paint resins, 10 kilograms of organic silicon-acrylate copolymer emulsions, 10 kilograms of silicone defoaming agents; 2 kilograms of organosilicon levelling agents; 120 kilograms in running water mixes, stirred 2 to 3 hours, fully mixing, subsequent use;
2. get mixture grinding, filtration that 1. step reacts gained;
3. get step and 2. filter the mixture that obtains, add 4 kilograms of aqueous polyurethane thickeners in proportion, stir and promptly get described water PU polish processing agent for synthetic leather.
3, experiment detects the technical performance index by the 2 PU ironing brightness treating agents that prepare, and concrete experimental result is as shown in table 2:
The technical performance testing result of table 2PU ironing brightness treating agent
| Project | Detect index | Testing result |
| PH value | 6.5～8 | 7.2 |
| Outward appearance | The oyster white thick liquid | The oyster white thick liquid |
| Stability | There are not deposition, nondiscolouring in 6 months | There are not deposition, nondiscolouring in 6 months |
| Viscosity (cps) | 300～500 | 370 |
| Solid content (%) | 11±1 | 11.4 |
Embodiment 3
1, water PU polish processing agent for synthetic leather is made up of following raw material: 30 kilograms of water-borne acrylic resins (30% solid content); 20 kilograms of water-based stoving paint resins; 110 kilograms in running water, 8 kilograms of modifying epoxy resin by organosilicon, 2 kilograms in nonionic polyurethane polymer; 5 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents.
2, the preparation method of water PU polish processing agent for synthetic leather of the present invention is following:
1. choose 30 kilograms of water-borne acrylic resins (30% solid content) in proportion, 20 kilograms of water-based stoving paint resins, 8 kilograms of modifying epoxy resin by organosilicon; 5 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents, 110 kilograms in running water; Mix, stirred 2 to 3 hours, fully mixing, subsequent use;
2. get mixture grinding, filtration that 1. step reacts gained;
3. get step and 2. filter the mixture that obtains, add 2 kilograms in nonionic polyurethane polymer in proportion, stir and promptly get described water PU polish processing agent for synthetic leather.
3, experiment detects the technical performance index by the 2 PU ironing brightness treating agents that prepare, and concrete experimental result is as shown in table 3:
The technical performance testing result of table 3PU ironing brightness treating agent
| Project | Detect index | Testing result |
| PH value | 6.5～8 | 7.5 |
| Outward appearance | The oyster white thick liquid | The oyster white thick liquid |
| Stability | There are not deposition, nondiscolouring in 6 months | There are not deposition, nondiscolouring in 6 months |
| Viscosity (cps) | 300～500 | 410 |
| Solid content (%) | 11±1 | 12 |
Embodiment 4
1, water PU polish processing agent for synthetic leather is made up of following raw material: 40 kilograms of water-borne acrylic resins (30% solid content); 20 kilograms of water-based stoving paint resins; 120 kilograms in running water, 6 kilograms of organic silicon modified polyurethanes, 3 kilograms in nonionic polyurethane polymer; 6 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents.
2, the preparation method of water PU polish processing agent for synthetic leather of the present invention is following:
1. choose 40 kilograms of water-borne acrylic resins (30% solid content) in proportion, 20 kilograms of water-based stoving paint resins, 6 kilograms of organic silicon modified polyurethanes; 6 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents, 120 kilograms in running water; Mix, stirred 2 to 3 hours, fully mixing, subsequent use;
2. get mixture grinding, filtration that 1. step reacts gained;
3. get step and 2. filter the mixture that obtains, add 3 kilograms in nonionic polyurethane polymer in proportion, stir and promptly get described water PU polish processing agent for synthetic leather.
3, experiment detects the technical performance index by the 2 PU ironing brightness treating agents that prepare, and concrete experimental result is as shown in table 4:
The technical performance testing result of table 4PU ironing brightness treating agent
| Project | Detect index | Testing result |
| PH value | 6.5～8 | 7.1 |
| Outward appearance | The oyster white thick liquid | The oyster white thick liquid |
| Stability | There are not deposition, nondiscolouring in 6 months | There are not deposition, nondiscolouring in 6 months |
| Viscosity (cps) | 300～500 | 430 |
| Solid content (%) | 11±1 | 11.8 |
Embodiment 5
1, water PU polish processing agent for synthetic leather is made up of following raw material: 30 kilograms of water-borne acrylic resins (30% solid content); 30 kilograms of water-based stoving paint resins; The running water double centner, 8 kilograms of organosilicon modified polyethers, 4 kilograms in nonionic polyurethane polymer; 8 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents.
2, the preparation method of water PU polish processing agent for synthetic leather of the present invention is following:
1. choose 30 kilograms of water-borne acrylic resins (30% solid content) in proportion, 30 kilograms of water-based stoving paint resins,, 8 kilograms of organosilicon modified polyethers; 8 kilograms of silicone defoaming agents, 2 kilograms of organosilicon levelling agents, running water double centner; Mix, stirred 2 to 3 hours, fully mixing, subsequent use;
2. get mixture grinding, filtration that 1. step reacts gained;
3. get step and 2. filter the mixture that obtains, add 4 kilograms in nonionic polyurethane polymer in proportion, stir and promptly get described water PU polish processing agent for synthetic leather.
3, experiment detects the technical performance index by the 2 PU ironing brightness treating agents that prepare, and concrete experimental result is as shown in table 5:
The technical performance testing result of table 5PU ironing brightness treating agent
| Project | Detect index | Testing result |
| PH value | 6.5～8 | 7.5 |
| Outward appearance | The oyster white thick liquid | The oyster white thick liquid |
| Stability | There are not deposition, nondiscolouring in 6 months | There are not deposition, nondiscolouring in 6 months |
| Viscosity (cps) | 300～500 | 450 |
| Solid content (%) | 11±1 | 11.5 |
The present invention has overcome the shortcoming of solvent-borne type PU ironing brightness treating agent, and its adhesive force is good, feel and effective, and it is good to have feel with the synthetic leather product of its production, and moisture-penetrable ventilated property is good.In addition, water-based PU ironing brightness treating agent also has advantages such as baking temperature is low, production cost is low, and the organic solvent-free volatilization is beneficial to environmental protection.
Claims (5)
1. water PU polish processing agent for synthetic leather; It is characterized in that it is made up of following raw materials by weight percent: water-borne acrylic resin 10～20%, water-based stoving paint resin 10-20%, water 50～60%, silicon modified organic polymer 3～5%, organosilicon levelling agent 0.5～1%, silicone defoaming agent 2～5%, aqueous polyurethane thickener 0.5～2%.
2. water PU polish processing agent for synthetic leather according to claim 1; It is characterized in that it is made up of following raw materials by weight percent: water-borne acrylic resin 15～20%, water-based stoving paint resin 15-20%, water 50～55%, silicon modified organic polymer 4～5%, organosilicon levelling agent 0.5～1%, silicone defoaming agent 2～3%, aqueous polyurethane thickener 1～2%.
3. water PU polish processing agent for synthetic leather according to claim 1 and 2; It is characterized in that described silicon modified organic polymer is organic silicon-acrylate copolymer emulsion, modifying epoxy resin by organosilicon, organosilicon modified polyether, organic silicon modified polyurethane or organic-silicon-modified fluorocarbon polymer.
4. water PU polish processing agent for synthetic leather according to claim 1 and 2 is characterized in that: described aqueous polyurethane thickener is the nonionic polyurethane polymer.
5. water PU polish processing agent for synthetic leather according to claim 1 and 2 is characterized in that: described water is running water.
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| CN2009100362514A CN101691693B (en) | 2009-10-09 | 2009-10-09 | Water PU polish processing agent for synthetic leather |
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| CN2009100362514A CN101691693B (en) | 2009-10-09 | 2009-10-09 | Water PU polish processing agent for synthetic leather |
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| CN101691693B true CN101691693B (en) | 2012-06-27 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409547A (en) * | 2011-08-01 | 2012-04-11 | 吴江三辉纺织有限公司 | Ironing-brightened oil-like smooth synthetic leather with highlighted contracted pattern |
| CN102943376A (en) * | 2012-09-11 | 2013-02-27 | 江苏宝泽高分子材料股份有限公司 | Water-based PU bright finishing surface treating agent for artificial leather |
| CN102877309A (en) * | 2012-09-11 | 2013-01-16 | 江苏宝泽高分子材料股份有限公司 | Aqueous PU (polyurethane) brightening agent for artificial leather |
| CN102943384A (en) * | 2012-09-11 | 2013-02-27 | 江苏宝泽高分子材料股份有限公司 | Water-based PU anechoic coating agent for artificial leather |
| CN102943387A (en) * | 2012-09-11 | 2013-02-27 | 江苏宝泽高分子材料股份有限公司 | Water-based PU brightening coating agent for artificial leather |
| CN106521960A (en) * | 2016-10-28 | 2017-03-22 | 江苏宝泽高分子材料股份有限公司 | Water-based burning brightening agent used for synthetic leather, and preparation method thereof |
| CN109056349A (en) * | 2018-09-03 | 2018-12-21 | 江苏纳恩新材料有限公司 | Half silicon synthetic leather of one kind and preparation method thereof |
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