CN105133345A - Water-based specially-misty and specially-black surface treating agent for synthetic leather and preparing method thereof - Google Patents
Water-based specially-misty and specially-black surface treating agent for synthetic leather and preparing method thereof Download PDFInfo
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- CN105133345A CN105133345A CN201510631108.5A CN201510631108A CN105133345A CN 105133345 A CN105133345 A CN 105133345A CN 201510631108 A CN201510631108 A CN 201510631108A CN 105133345 A CN105133345 A CN 105133345A
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Abstract
The invention discloses a water-based specially-misty and specially-black surface treating agent for synthetic leather and a preparing method thereof. The surface treating agent is prepared from 45wt% of water-based polyurethane, 40wt% of deionized water, 2wt% to 4wt% of surfactant, 6wt% of silicon dioxide, 3wt% to 5wt% of calcium carbonate, 1wt% of mineral oil and 1wt% to 3wt% of acrylic acid oligomers. The preparing method includes the following steps: 1, the 45wt% of water-based polyurethane is placed into a stirring kettle, the 40wt% of deionized water, the 2wt% to 4wt% of surfactant, the 6wt% of silicon dioxide and the 3wt% to 5wt% of calcium carbonate are sequentially added during low-speed stirring; 2, high-speed stirring is carried out for 20 minutes, and then the 1wt% of mineral oil and the 1wt% to 3wt% of acrylic acid oligomers are sequentially added. According to the surface treating agent and the preparing method, as the water is used as solvents, the cleaner aim and the more environmentally friendly aim are achieved in the production process and the use process, the synthetic leather treated with the surface treating agent is good in color developing performance, the down feeling and the misty degree of the bottoms of lines are quite high, and the high leather feeling is achieved.
Description
Technical field
The present invention relates to synthetic leather surface conditioning agent field, relate to goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based and preparation method thereof in particular.
Background technology
Synthetic leather is structure and the serviceability of simulation natural leather, and is the desirable substitute products of natural animal fur.Synthetic leather is ground usually with fabric, with microvoid polyurethane coating simulation grain layer, obtain positive and negative all with sky hot leather quite similar, and have the synthetic leather of certain permeability, it is widely used in sofa, clothes, footwear, ball, the field such as case and bag and finishing.
Due to synthetic leather surface, often shinny, plastic sense is strong, in order to make the outward appearance of synthetic leather and feel closer to natural leather, usually can do various coverings with paint and process synthetic leather is surperficial, making synthetic leather have more the texture of corium.But, face finish, the finishing agent overwhelming majority of current synthetic leather are solvent-borne type, produce and a large amount of organic solvents can be consumed in use procedure, because organic solvent comprises consumer cause serious threat to fire, environment, enterprise employee health, the synthetic leather finishing agent of exploitation water consumption substitution organic solvent will be following developing direction.
For the problems referred to above, the present inventor furthers investigate, and then has this case to produce.
Summary of the invention
Main purpose of the present invention is to provide the special mist of a kind of use for synthetic leather water-based goth black surface conditioning agent, and its water consumption substitution organic solvent, has the feature of environmental protection and safety.
In order to achieve the above object, solution of the present invention is:
The goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based, wherein, is made up of following component:
Aqueous polyurethane, 45wt%;
Deionized water, 40wt%;
Surfactant, 2-4wt%;
Silica, 6wt%;
Calcium carbonate, 3-5wt%;
Mineral oil, 1wt%;
Acrylic acid oligomer, 1-3wt%.
Further, this surfactant is 2wt%, and this calcium carbonate is 3wt%, and this acrylic acid oligomer is 3wt%.
Further, the covering with paint amount of the special goth black surface conditioning agent of mist of this use for synthetic leather water-based on synthetic leather is 20-30g/m
2.
Another object of the present invention is to the preparation method that the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based is provided, wherein, be made up of following steps:
1. the aqueous polyurethane of 45wt% is put into stirred tank, in stirring at low speed, add the calcium carbonate of the deionized water of 40wt%, the surfactant of 2-4wt%, the silica of 6wt% and 3-5wt% successively;
2. high-speed stirred 20 minutes, then add the mineral oil of 1wt% and the acrylic acid oligomer of 1-3wt% successively.
Further, this stirring at low speed refers to and to stir with the speed of 500-600r/min, and this high-speed stirred refers to and to stir with the speed of 1500-2000r/min.
Further, this surfactant is 2wt%, and this calcium carbonate is 3wt%, and this acrylic acid oligomer is 3wt%.
After adopting said structure, the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based that the present invention relates to, it directly uses on existing post treatment production line of synthetic leather, technological operation is simple and without the need to changing equipment, the goth black surface conditioning agent of the special mist of water-based that the present invention relates to specifically is covered with paint, lacquer, colour wash, etc. at synthetic leather rear section printing machine, then at 130-140 DEG C, dry 2-3 minute, can delustring cloudy surface be formed on synthetic leather surface and increase the coating of the surface effect of the vividness of original color with slight velvet simultaneously.
Because the present invention adopts water as solvent, at production and use procedure more clean environment firendly, the synthetic leather color developing of working it out with material of the present invention is good, velvet mist degree very by force, has strong kishke feel bottom lines.
In the present invention, this aqueous polyurethane mainly plays the effect of link film forming in formula, and consumption too much or very little, meeting directly affect adherence and the fastness of coating, and can impact the haze of final products; Deionized water mainly plays a part to reduce solid containing and cost in formula, changes the thickness that its addition can affect coating, causes last surface effect and is formerly designed with difference; Surfactant plays the effect of froth breaking, levelling, wetting, dispersion in formula, and change its addition and can cause the defects such as coating formation shrinkage cavity, oil drop, water ripples, directly impact is constructed and final effect; Silica plays a decisive role to haze and velvet in formula, changes its addition and will have a strong impact on haze and velvet; Calcium carbonate mainly plays a part to reduce costs in formula, and changing its addition can affect the intensity of coating, adherence and water-based fastness; Mineral oil mainly plays the problem eliminated and bubble in stirring and processing process in formula, changes its addition and levelling may be caused bad, impact construction; Acrylic acid oligomer mainly plays in formula proposes full-bodied effect, is conducive to construction, changes its addition and viscosity can be caused too high or too low, have a strong impact on construction effect.
Detailed description of the invention
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
The goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based that the present invention relates to, wherein, is made up of following component:
Aqueous polyurethane, 45wt%;
Deionized water, 40wt%;
Surfactant, 2-4wt%;
Silica, 6wt%;
Calcium carbonate, 3-5wt%;
Mineral oil, 1wt%;
Acrylic acid oligomer, 1-3wt%.
Preferably, this surfactant is 2wt%, and this calcium carbonate is 3wt%, and this acrylic acid oligomer is 3wt%.
The covering with paint amount of the special goth black surface conditioning agent of mist of this use for synthetic leather water-based on synthetic leather is 20-30g/m
2, so can reach best surface effect.
The present invention also provides the preparation method of the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based, is made up of following steps:
1. the aqueous polyurethane of 45wt% is put into stirred tank, in stirring at low speed, add the calcium carbonate of the deionized water of 40wt%, the surfactant of 2-4wt%, the silica of 6wt% and 3-5wt% successively;
2. high-speed stirred 20 minutes, then add the mineral oil of 1wt% and the acrylic acid oligomer of 1-3wt% successively.
Wherein: this stirring at low speed refers to and to stir with the speed of 500-600r/min, this high-speed stirred refers to and to stir with the speed of 1500-2000r/min.Preferably, this surfactant is 2wt%, and this calcium carbonate is 3wt%, and this acrylic acid oligomer is 3wt%.
Testing index of the present invention:
| Test item | Testing index |
| Outward appearance | Milky white opaque liquid |
| Viscosity CPS/25 DEG C | 1000-1500 |
| Non-volatile part | 20 positive and negative 1 |
| PH value | 6.5—7.5 |
This product does not meet the standard of European Union ROHS containing eight large heavy metals, APEO, azo, PBBS, PBDES.
Above-described embodiment non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (6)
1. the goth black surface conditioning agent of the special mist of use for synthetic leather water-based, is characterized in that, be made up of following component:
Aqueous polyurethane, 45wt%;
Deionized water, 40wt%;
Surfactant, 2-4wt%;
Silica, 6wt%;
Calcium carbonate, 3-5wt%;
Mineral oil, 1wt%;
Acrylic acid oligomer, 1-3wt%.
2. the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based as claimed in claim 1, it is characterized in that, this surfactant is 2wt%, and this calcium carbonate is 3wt%, and this acrylic acid oligomer is 3wt%.
3. the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based as claimed in claim 1, is characterized in that, the covering with paint amount of the special goth black surface conditioning agent of mist of this use for synthetic leather water-based on synthetic leather is 20-30g/m2.
4. a preparation method for the goth black surface conditioning agent of the special mist of use for synthetic leather water-based, is characterized in that, be made up of following steps:
1. the aqueous polyurethane of 45wt% is put into stirred tank, in stirring at low speed, add the calcium carbonate of the deionized water of 40wt%, the surfactant of 2-4wt%, the silica of 6wt% and 3-5wt% successively;
2. high-speed stirred 20 minutes, then add the mineral oil of 1wt% and the acrylic acid oligomer of 1-3wt% successively.
5. the preparation method of the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based as claimed in claim 4, it is characterized in that, this stirring at low speed refers to and to stir with the speed of 500-600r/min, and this high-speed stirred refers to and to stir with the speed of 1500-2000r/min.
6. the preparation method of the goth black surface conditioning agent of the special mist of a kind of use for synthetic leather water-based as claimed in claim 4, it is characterized in that, this surfactant is 2wt%, and this calcium carbonate is 3wt%, and this acrylic acid oligomer is 3wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631108.5A CN105133345A (en) | 2015-09-29 | 2015-09-29 | Water-based specially-misty and specially-black surface treating agent for synthetic leather and preparing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631108.5A CN105133345A (en) | 2015-09-29 | 2015-09-29 | Water-based specially-misty and specially-black surface treating agent for synthetic leather and preparing method thereof |
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| CN105133345A true CN105133345A (en) | 2015-12-09 |
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| CN201510631108.5A Pending CN105133345A (en) | 2015-09-29 | 2015-09-29 | Water-based specially-misty and specially-black surface treating agent for synthetic leather and preparing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326680A (en) * | 2017-08-18 | 2017-11-07 | 江苏宝泽高分子材料股份有限公司 | A kind of aqueous super black and misty inorganic agent of heat-resistance type and preparation method thereof |
| CN107793907A (en) * | 2017-11-30 | 2018-03-13 | 清远市齐力合成革有限公司 | A kind of waterborne polyurethane synthetic leather surface conditioning agent |
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| CN103898764A (en) * | 2014-02-20 | 2014-07-02 | 合肥市科天化工有限公司 | Waterborne polyurethane matte treatment agent for calendered PVC (Polyvinyl Chloride) leather and preparation method of treatment agent |
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| CN1575970A (en) * | 2003-06-30 | 2005-02-09 | 东丽株式会社 | Hardcoat film, antireflection film and equipment for display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326680A (en) * | 2017-08-18 | 2017-11-07 | 江苏宝泽高分子材料股份有限公司 | A kind of aqueous super black and misty inorganic agent of heat-resistance type and preparation method thereof |
| CN107793907A (en) * | 2017-11-30 | 2018-03-13 | 清远市齐力合成革有限公司 | A kind of waterborne polyurethane synthetic leather surface conditioning agent |
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Application publication date: 20151209 |