CN102995407B - Water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather and preparation method of treating agent - Google Patents
Water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather and preparation method of treating agent Download PDFInfo
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- CN102995407B CN102995407B CN201210297989.8A CN201210297989A CN102995407B CN 102995407 B CN102995407 B CN 102995407B CN 201210297989 A CN201210297989 A CN 201210297989A CN 102995407 B CN102995407 B CN 102995407B
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Abstract
The invention discloses a water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather. The water-based PU tender-skin-feel treating agent comprises water-based PU resin gloss oil, modified wax emulsion, water, water-based amino silicon oil, silica extinction powder, an organic silicon defoamer and an organic silicon flatting agent. The water-based PU tender-skin-feel treating agent for the synthetic leather has the unique properties of noninflammability, safety and environment friendliness as taking water as a solvent, is good in film-forming property, firm in bonding, solvent-resistant in coating, resistant to cold, hydrolysis and thermal ageing, unique in tender skin hand feel, strong in leather feel, delicate in texture and good in air permeability, ensures an excellent matte effect of the treated synthetic leather, guarantees the excellent comprehensive effects of smooth hand feel, waterproof property, wax feel and the like of the synthetic leather adopting the treating agent, and does not change the conventional production process and equipment of the synthetic leather and increase the production cost of synthetic leather products.
Description
Technical field
The present invention relates to a kind of use for synthetic leather surface conditioning agent, particularly a kind of tender skinfeel finishing agent of use for synthetic leather water-based PU that is applied to synthetic leather rear section technique, also relates to the preparation method of the tender skinfeel finishing agent of this use for synthetic leather water-based PU.
Background technology
Synthetic leather is as the substitute of natural leather, have easy to process, quality unified, the feature such as numerous in variety, made up the scarcity of corium resource, nearly cover the field of all use corium, and compare corium, synthetic leather can meet the requirement of the multiple style of people's effects on surface.Manufacture field at synthetic leather, surface treatment is a kind of technology being more and more taken seriously, and is the effective ways that product improves added value.Process of surface treatment has printing, spraying, directly coating, multipurpose barrel coating etc.Wherein, printing is to carry out a kind of the most frequently used technique of synthetic leather surface-treated by screen roller.Printing makes to remove from office surface and changes colour, changes gloss effect except having, also, for changing leather surface touch, as oily wax sense, the sense of powder wax, husky velvet, smooth feeling, make synthetic leather surface touch more as corium, can also form different surperficial styles, such as sheep bar effect, ox bar effect, crazy horse effect etc.But in the tender skinfeel finishing agent of existing use for synthetic leather water-based PU, treatment effect synthetic leather to crystal-feel is not obvious, unnatural, and feel is poor, the easy contaminated environment of reagent treatment simultaneously, manufacturing cost is higher, and comprehensive treatment effect is not good.
At present, on market, selling the tender skinfeel finishing agent of use for synthetic leather PU is often solvent-borne type, and it has the following disadvantages:
1, the organic solvent in the agent of solvent-borne type table place can cause the bottom of synthetic leather or artificial leather to dissolve, and synthetic leather feel is after treatment bad;
2, not only cost is higher, smell is larger for organic solvent, and environmental pollution is serious, and has the potential safety hazards such as inflammable, explosive;
3, not good for the treatment of the resultant effect of synthetic leather.
Therefore, be necessary to provide a kind of tender skinfeel finishing agent of novel synthetic leather use PU that overcomes above-mentioned deficiency.
Summary of the invention
The object of this invention is to provide both environmental protection of one, the comprehensive treatment effect good tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU again.
The tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU of the present invention is achieved through the following technical solutions:
The tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU disclosed in this invention, is characterized in that, comprises following component: waterborne polyurethane resin gloss oil, modified waxes emulsion, water, water-based amido silicon oil, silica flatting silica, silicone defoaming agent, organosilicon levelling agent.
As the preferred version of above-mentioned formula, the proportioning of each component of the tender skinfeel finishing agent of use for synthetic leather water-based PU provided by the invention is as follows: waterborne polyurethane resin gloss oil 25-35 weight portion, modified waxes emulsion 3-5 weight portion, water 40-50 weight portion, water-based amido silicon oil 3-5 weight portion, silica flatting silica 3-5 weight portion, silicone defoaming agent 1-3 weight portion, organosilicon levelling agent 1-3 weight portion.
As the preferred version of above-mentioned formula, the proportioning of each component of the tender skinfeel finishing agent of use for synthetic leather water-based PU provided by the invention is as follows: waterborne polyurethane resin gloss oil 30 weight portions, modified waxes emulsion 4 weight portions, water 45 weight portions, water-based amido silicon oil 4 weight portions, silica flatting silica 4 weight portions, silicone defoaming agent 2 weight portions, organosilicon levelling agent 2 weight portions.
As the preferred version of above-mentioned formula, the proportioning of each component of the tender skinfeel finishing agent of use for synthetic leather water-based PU provided by the invention is as follows: waterborne polyurethane resin gloss oil 28 weight portions, modified waxes emulsion 3.2 weight portions, water 47 weight portions, water-based amido silicon oil 3.9 weight portions, silica flatting silica 4.5 weight portions, silicone defoaming agent 2.3 weight portions, organosilicon levelling agent 1.8 weight portions.
As the preferred version of above-mentioned formula, the proportioning of each component of the tender skinfeel finishing agent of use for synthetic leather water-based PU provided by the invention is as follows: waterborne polyurethane resin gloss oil 35 weight portions, modified waxes emulsion 3 weight portions, water 40 weight portions, water-based amido silicon oil 3 weight portions, silica flatting silica 5 weight portions, silicone defoaming agent 3 weight portions, organosilicon levelling agent 1 weight portion.
Another object of the present invention is to provide the preparation method of the tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU, comprises following steps:
Step 1 is by formula by waterborne polyurethane resin gloss oil, silica flatting silica, modified waxes emulsion, water-based amido silicon oil, and silicone defoaming agent, organosilicon levelling agent, water are added together and stir 2 hours.
Step 2 is ground the mixture of step 1 gained.
Step 3 is filtered step 2 gained mixture.
Step 4 will add aqueous polyurethane thickener to stir in step 3.
The preparation method of the tender skinfeel finishing agent of use for synthetic leather water-based PU provided by the present invention, the proportioning of each component is as follows: waterborne polyurethane resin gloss oil 25-35 weight portion, modified waxes emulsion 3-5 weight portion, water 40-50 weight portion, water-based amido silicon oil 3-5 weight portion, silica flatting silica 3-5 weight portion, silicone defoaming agent 1-3 weight portion, organosilicon levelling agent 1-3 weight portion.
The preparation method of the tender skinfeel finishing agent of use for synthetic leather water-based PU provided by the present invention, institute all carries out in steps at normal temperatures and pressures.
Owing to adopting above technical scheme, the present invention compared with prior art tool has the following advantages:
1, the solvent of the tender skinfeel finishing agent of use for synthetic leather water-based PU is water, have do not fire, the special performance of safety, environmental protection;
2, each component of composition water-based PU tender skinfeel finishing agent mutually coordinate, acting in conjunction, good film-forming property, bonding firmly, the resistance to solvent of coating, cold-resistant, hydrolysis, heat-proof aging, after this product is processed, atomized surface effect is good, unique tender skin feel, kishke feel is strong, quality exquisiteness, the advantages such as gas permeability, apply the aspect resultant effects such as the synthetic leather feel of this finishing agent, smooth, waterproof, wax sense good;
3, tender this water-based PU skinfeel finishing agent is applied on existing synthetic leather production line, without the production technology and equipments that changes existing synthetic leather, can not be increased the production cost of synthetic leather product.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
The tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU, comprise following component: waterborne polyurethane resin gloss oil 30 weight portions, modified waxes emulsion 4 weight portions, water 45 weight portions, water-based amido silicon oil 4 weight portions, silica flatting silica 4 weight portions, silicone defoaming agent 2 weight portions, organosilicon levelling agent 2 weight portions.
The preparation method of the tender skinfeel finishing agent of above-mentioned use for synthetic leather water-based PU is: at normal temperatures and pressures, by filling a prescription waterborne polyurethane resin gloss oil 30 weight portions, modified waxes emulsion 4 weight portions, water 45 weight portions, water-based amido silicon oil 4 weight portions, silica flatting silica 4 weight portions, silicone defoaming agent 2 weight portions, organosilicon levelling agent 2 weight portions are mixed together and stir 2 hours, the mixture of above-mentioned gained is ground, ground mixture is filtered, and add wherein appropriate aqueous polyurethane thickener (5 weight portion) to stir can to obtain the tender skinfeel finishing agent of use for synthetic leather water-based PU of the embodiment of the present invention 1.
The performance indications of the tender skinfeel finishing agent of the disclosed use for synthetic leather water-based of the present embodiment PU are in table 1.
Table 1
| Project | Index | Testing result |
| PH value | 6-8 | 7 |
| Outward appearance | Milky white thick liquid | Oyster white thick liquid |
| Stability | Without precipitation, nondiscolouring | Without precipitation, nondiscolouring |
| Viscosity (cps/ DEG C) | 800-1200 | 1002 |
| Solid content (%) | 21±1 | 21.4 |
The stirring that adopts in above-mentioned preparation process, grind, be filtered into customary way in this area.
Embodiment 2
The tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU, comprise following component: waterborne polyurethane resin gloss oil 25 weight portions, modified waxes emulsion 3 weight portions, water 40 weight portions, water-based amido silicon oil 3 weight portions, silica flatting silica 3 weight portions, silicone defoaming agent 1 weight portion, organosilicon levelling agent 1 weight portion.
The preparation method of the tender skinfeel finishing agent of above-mentioned use for synthetic leather water-based PU is: at normal temperatures and pressures, by filling a prescription waterborne polyurethane resin gloss oil 25 weight portions, modified waxes emulsion 3 weight portions, water 40 weight portions, water-based amido silicon oil 3 weight portions, silica flatting silica 3 weight portions, silicone defoaming agent 1 weight portion, organosilicon levelling agent 1 weight portion is mixed together and stirs 2 hours, the mixture of above-mentioned gained is ground, ground mixture is filtered, and add wherein appropriate aqueous polyurethane thickener (5 weight portion) to stir can to obtain the tender skinfeel finishing agent of use for synthetic leather water-based PU of the embodiment of the present invention 2.
The performance indications of the tender skinfeel finishing agent of the disclosed use for synthetic leather water-based of the present embodiment PU are in table 2.
Table 2
| Project | Index | Testing result |
| PH value | 6-8 | 6.8 |
| Outward appearance | Milky white thick liquid | Oyster white thick liquid |
| Stability | Without precipitation, nondiscolouring | Without precipitation, nondiscolouring |
| Viscosity (cps/ DEG C) | 800-1200 | 1125 |
| Solid content (%) | 21±1 | 21.8 |
The stirring that adopts in above-mentioned preparation process, grind, be filtered into customary way in this area.
Embodiment 3
The tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU, comprise following component: waterborne polyurethane resin gloss oil 35 weight portions, modified waxes emulsion 5 weight portions, water 50 weight portions, water-based amido silicon oil 5 weight portions, silica flatting silica 5 weight portions, silicone defoaming agent 3 weight portions, organosilicon levelling agent 3 weight portions.
The preparation method of the tender skinfeel finishing agent of above-mentioned use for synthetic leather water-based PU is: at normal temperatures and pressures, by filling a prescription waterborne polyurethane resin gloss oil 35 weight portions, modified waxes emulsion 5 weight portions, water 50 weight portions, water-based amido silicon oil 5 weight portions, silica flatting silica 5 weight portions, silicone defoaming agent 3 weight portions, organosilicon levelling agent 3 weight portions are mixed together and stir 2 hours, the mixture of above-mentioned gained is ground, ground mixture is filtered, and add wherein appropriate aqueous polyurethane thickener (5 weight portion) to stir can to obtain the tender skinfeel finishing agent of use for synthetic leather water-based PU of the embodiment of the present invention 3.
The performance indications of the tender skinfeel finishing agent of the disclosed use for synthetic leather water-based of the present embodiment PU are in table 3.
Table 3
| Project | Index | Testing result |
| PH value | 6-8 | 6.2 |
| Outward appearance | Milky white thick liquid | Oyster white thick liquid |
| Stability | Without precipitation, nondiscolouring | Without precipitation, nondiscolouring |
| Viscosity (cps/ DEG C) | 800-1200 | 853 |
| Solid content (%) | 21±1 | 21.1 |
The stirring that adopts in above-mentioned preparation process, grind, be filtered into customary way in this area.
Embodiment 4
The tender skinfeel finishing agent of a kind of use for synthetic leather water-based PU, comprise following component: waterborne polyurethane resin gloss oil 28 weight portions, modified waxes emulsion 3.2 weight portions, water 47 weight portions, water-based amido silicon oil 3.9 weight portions, silica flatting silica 4.5 weight portions, silicone defoaming agent 2.3 weight portions, organosilicon levelling agent 1.8 weight portions.
The preparation method of the tender skinfeel finishing agent of above-mentioned use for synthetic leather water-based PU is: at normal temperatures and pressures, by filling a prescription waterborne polyurethane resin gloss oil 28 weight portions, modified waxes emulsion 3.2 weight portions, water 47 weight portions, water-based amido silicon oil 3.9 weight portions, silica flatting silica 4.5 weight portions, silicone defoaming agent 2.3 weight portions, organosilicon levelling agent 1.8 weight portions are mixed together and stir 2 hours, the mixture of above-mentioned gained is ground, ground mixture is filtered, and add wherein appropriate aqueous polyurethane thickener (5 weight portion) to stir can to obtain the tender skinfeel finishing agent of use for synthetic leather water-based PU of the embodiment of the present invention 4.
The performance indications of the tender skinfeel finishing agent of the disclosed use for synthetic leather water-based of the present embodiment PU are in table 4.
Table 4
| Project | Index | Testing result |
| PH value | 6-8 | 7.2 |
| Outward appearance | Milky white thick liquid | Oyster white thick liquid |
| Stability | Without precipitation, nondiscolouring | Without precipitation, nondiscolouring |
| Viscosity (cps/ DEG C) | 800-1200 | 1125 |
| Solid content (%) | 21±1 | 21.7 |
The stirring that adopts in above-mentioned preparation process, grind, be filtered into customary way in this area.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or is equal to replacement, all should be encompassed in the middle of the protection domain of the claims in the present invention.
Claims (5)
1. the tender skinfeel finishing agent of use for synthetic leather water-based PU, it is characterized in that, comprise following component: waterborne polyurethane resin gloss oil, modified waxes emulsion, water, water-based amido silicon oil, silica flatting silica, silicone defoaming agent, organosilicon levelling agent, the proportioning of described each component is as follows: waterborne polyurethane resin gloss oil 30 weight portions, modified waxes emulsion 4 weight portions, water 45 weight portions, water-based amido silicon oil 4 weight portions, silica flatting silica 4 weight portions, silicone defoaming agent 2 weight portions, organosilicon levelling agent 2 weight portions.
2. the tender skinfeel finishing agent of use for synthetic leather water-based PU, it is characterized in that, comprise following component: waterborne polyurethane resin gloss oil, modified waxes emulsion, water, water-based amido silicon oil, silica flatting silica, silicone defoaming agent, organosilicon levelling agent, the proportioning of described each component is as follows: waterborne polyurethane resin gloss oil 28 weight portions, modified waxes emulsion 3.2 weight portions, water 47 weight portions, water-based amido silicon oil 3.9 weight portions, silica flatting silica 4.5 weight portions, silicone defoaming agent 2.3 weight portions, organosilicon levelling agent 1.8 weight portions.
3. the tender skinfeel finishing agent of use for synthetic leather water-based PU, it is characterized in that, comprise following component: waterborne polyurethane resin gloss oil, modified waxes emulsion, water, water-based amido silicon oil, silica flatting silica, silicone defoaming agent, organosilicon levelling agent, the proportioning of described each component is as follows: waterborne polyurethane resin gloss oil 35 weight portions, modified waxes emulsion 3 weight portions, water 40 weight portions, water-based amido silicon oil 3 weight portions, silica flatting silica 5 weight portions, silicone defoaming agent 3 weight portions, organosilicon levelling agent 1 weight portion.
4. according to the preparation method of the tender skinfeel finishing agent of use for synthetic leather water-based PU described in any one in claim 1-3, it is characterized in that, comprise following steps:
Step 1 is according to the proportioning of the each component described in any one in claim 1-3, and by waterborne polyurethane resin gloss oil, silica flatting silica, modified waxes emulsion, water-based amido silicon oil, silicone defoaming agent, organosilicon levelling agent, water are added together and stir 2 hours;
Step 2 is ground the mixture of step 1 gained;
Step 3 is filtered step 2 gained mixture;
Step 4 will add aqueous polyurethane thickener to stir in step 3.
5. the preparation method of the tender skinfeel finishing agent of use for synthetic leather water-based PU according to claim 4, is characterized in that, institute all carries out in steps at normal temperatures and pressures.
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| CN201210297989.8A CN102995407B (en) | 2012-08-21 | 2012-08-21 | Water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather and preparation method of treating agent |
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| CN201210297989.8A CN102995407B (en) | 2012-08-21 | 2012-08-21 | Water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather and preparation method of treating agent |
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| CN102995407B true CN102995407B (en) | 2014-12-10 |
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| CN105133365A (en) * | 2015-07-15 | 2015-12-09 | 浙江锦尚合成革有限公司 | Preparation method of environment-protective skin-feel synthetic leather |
| CN106349914B (en) * | 2016-08-25 | 2019-07-23 | 万华化学集团股份有限公司 | A kind of PVC leather aqueous matte surface finishing agent and preparation method thereof |
| CN109837755A (en) * | 2018-12-18 | 2019-06-04 | 兰州科天水性高分子材料有限公司 | A kind of matte skin feel treatment agent and preparation method thereof |
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| CN101613947A (en) * | 2009-08-04 | 2009-12-30 | 江苏宝泽高分子材料股份有限公司 | Waterborne PU color-change resin for synthetic leather |
| CN101705623A (en) * | 2009-11-12 | 2010-05-12 | 江苏宝泽高分子材料股份有限公司 | Water-based PU brush surface conditioning agent for synthetic leather |
| CN101929076A (en) * | 2010-09-02 | 2010-12-29 | 安庆中大化学科技有限公司 | Aqueous slurry for synthetic leather |
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