CN103590248A - Waterborne skin-touch and scratch-resistant synthetic leather surface treating agent free of hand marks - Google Patents
Waterborne skin-touch and scratch-resistant synthetic leather surface treating agent free of hand marks Download PDFInfo
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- CN103590248A CN103590248A CN201310565127.3A CN201310565127A CN103590248A CN 103590248 A CN103590248 A CN 103590248A CN 201310565127 A CN201310565127 A CN 201310565127A CN 103590248 A CN103590248 A CN 103590248A
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Abstract
The invention discloses a waterborne skin-touch and scratch-resistant synthetic leather surface treating agent free of hand marks. The surface treating agent comprises components in parts by weight as follows: 10-20 parts of organic silicone modified waterborne acrylate copolymers, 10-20 parts of waterborne polyurethane, 1-3 parts of microsphere foaming agents, 3-5 parts of silicon dioxide, 3-10 parts of polytetrafluoroethylene wax emulsion, 1-2 parts of organic silicon assistants and 60-70 parts of water. The water-based skin-touch and scratch-resistant synthetic leather surface treating agent free of the hand marks has the effects of skin touch, velvet feeling, scratch resistance, absence of hand marks and the like, no solvent is used, resource waste and environment pollution cannot be caused, and the surface treating agent meets the requirements of safety, environmental protection and energy saving and is beneficial to body health.
Description
technical field:
The present invention relates to the scratch resistance of a kind of water-based skinfeel without hand trace synthetic leather surface conditioning agent, the invention belongs to organic-silicon-modified macromolecule chemical industry field of new.
background technology:
Synthetic Leather has worldwide replaced the natural leather of inadequate resource in a large number, adopt Synthetic Leather to make the decoration of case and bag, clothes, footwear, vehicle and furniture, day by day obtain affirming of market, its range of application is wide, quantity is big, more than kind, be that traditional natural leather cannot meet.At synthetic leather production field, synthetic leather process of surface treatment technology, because of its class and added value that can greatly improve product, is more and more subject to market and payes attention at present.Surface treatment mainly contains the processes such as printing, spraying, roller coating, embossing, can change colour to synthetic leather, increase delustring and process, improve sense of touch and form numerous different-styles.But the most performance of surface conditioning agent on market is single now, and mostly is solvent-borne type, not only produces dangerous environmental protection, cost also higher.
In the time of water-based, there is skinfeel, velvet, scratch resistance, touch without the synthetic leather surface conditioning agent of the splendid combination properties such as hand trace, in market and document, have no that product is implemented and the report of research.
summary of the invention:
The object of the invention is to make up prior art deficiency, provide the scratch resistance of a kind of water-based skinfeel without hand trace synthetic leather surface conditioning agent and preparation method thereof.
The present invention is achieved through the following technical solutions:
The scratch resistance of water-based skinfeel, without hand trace synthetic leather surface conditioning agent, is comprised of following component: organic silicon modified aqueous acrylate copolymer 10-20 weight portion, aqueous polyurethane 10-20 weight portion, microballoon blowing agent 1-3 weight portion, silica 3-5 weight portion, polytetrafluoroethylene (PTFE) wax emulsion 3-10 weight portion, organosilicon auxiliary agent 1-2 weight portion, water 60-70 weight portion.
Described organic silicon modified aqueous acrylate copolymer, its solid content is 45-50%.
Described aqueous polyurethane is that solid content is at the waterborne polyurethane resin of 20-40%.
Described microballoon blowing agent is polyacrylate blowing agent, and particle diameter is 20-40 micron.
Described silica is that specific area reaches 150-300m
2the precipitation method of/g or fumed silica.
Described polytetrafluoroethylene (PTFE) wax emulsion is that average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions of 4-10 micron.
Described organosilicon auxiliary agent is to have the modified organic silicon auxiliary agent of molecular structure below:
Prepare above-mentioned water-based skinfeel scratch resistance without the method for hand trace synthetic leather surface conditioning agent, bag expands following steps: by above-mentioned weight portion proportioning,
(1), in having the rustless steel container of dispersed with stirring device, under room temperature, add successively 60% of organic silicon modified aqueous acrylate copolymer, aqueous polyurethane and water inventory to stir;
(2) in step (1), add microballoon blowing agent, silica, polytetrafluoroethylene (PTFE) wax emulsion, organosilicon auxiliary agent, remaining water successively again, with 200-300 rev/min, stir after 20-30 minute, mixing speed is increased to 800-1500 rev/min, continues to stir 30-40 minute.
The organic silicon modified propenoic ester copolymer wherein adding has excellent soft feel, good adhesive force and better weather resistance.
The aqueous polyurethane wherein adding is to have that good color developing, film forming are as clear as crystal not to be after-tacked and have good percentage elongation, resilience and xanthochromia performance etc. not.
The microballoon blowing agent wherein adding be a kind of by acrylic polymer, be shell, the small spheroid that inside has easy expanding gas, housing is softening at a certain temperature, gas expansion, make microballoon expand several times, thereby provide a kind of like the feel as tender skin, and have good elasticity, certain scratch resistance and reduce the performance that touches hand trace.
The silica wherein adding can provide delustring and certain scratch resistance performance.
The polytetrafluoroethylene (PTFE) wax emulsion wherein adding has better slippery and anti scuffing performance.
The organosilicon auxiliary agent wherein adding is a kind of organosilicon new material with special structure, owing to being all connected to respectively polyether segment on its two ends and side chain, therefore levelling wetting agent more in the past has more function, mainly provides that good feel, levelling are wetting, froth breaking presses down bubble and the auxiliary functions such as touching hand trace that reduces.
To sum up, the present invention has the following advantages:
Water-based skinfeel of the present invention scratch resistance has skinfeel, velvet, scratch resistance, touch without hand trace texts without hand trace synthetic leather surface conditioning agent on Synthetic Leather surface, need not any solvent, can not cause resource waste and pollution environment, meet safety, environmental protection and energy saving requirement and be beneficial to health of human body.
With surface conditioning agent of the present invention, process high-grade clothing leather, sofa artificial leather, luggage leather and footwear leather etc., take the techniques such as printing, roller coat or spraying, all can realize splendid skinfeel, scratch resistance, touch without combination properties such as hand traces.
the specific embodiment:
Below by embodiment, the present invention is described in further details, these embodiment are only used for illustrating the present invention, do not limit the scope of the invention.
In following examples, organic silicon modified aqueous acrylate copolymer is buied from Sheng Da chemical plant, Nantong, and solid content is in 48% left and right; Aqueous polyurethane is purchased from Weng Kaier company; Organosilicon auxiliary agent our company makes by oneself according to conventional method; Polytetrafluoroethylene (PTFE) wax emulsion is purchased from sky, Nanjing poem; All the other components are market and buy.
Prepare organic silicon additive
The first step: the two hydrogen end-blocking containing hydrogen silicone oil intermediates of preparation
Being furnished with agitator, in the reactor of reflux cool condenser, thermometer, add successively in proportion D
4h(molecular formula is: [CH
3hSiO]
4), D4(molecular formula is: [(CH
3)
2siO]
4), (molecular formula is hydrogeneous double-seal head: [H(CH
3)
2siO(CH
3)
2h) and catalyst activity carclazyte, stirring reaction 24-48 hour at 20-40 ℃, low molecule is removed in decompression, after filtration two hydrogen end-blocking containing hydrogen silicone oil intermediates, molecular formula is:
Second step: prepare organic silicon additive:
The two hydrogen end-blocking containing hydrogen silicone oil intermediates, propenyl polyethers (molecular formula is as follows) and the chloroplatinic acid catalyst that being furnished with agitator, in the reactor of reflux cool condenser, thermometer, add successively in proportion the first step, stirring reaction 2-4 hour at 100-140 ℃, low molecule is removed in decompression, obtains after filtration organosilicon auxiliary agent.
Wherein propenyl pfpe molecule formula is:
The molecular formula of organosilicon auxiliary agent is:
embodiment 1
In having the rustless steel container of dispersed with stirring device, start stirring (200-300 rev/min), under room temperature, adding solid content is that 48% organic silicon modified aqueous acrylate copolymer 60 weight portions, solid content are 30% aqueous polyurethane 30 weight portions and water 108 weight portions, after stirring; Add successively polyacrylate blowing agent 3 weight portions (particle diameter is 20-40 micron), (specific area is 150-300m to silica 9 weight portions
2/ g), average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions 9 weight portions, organosilicon auxiliary agent 3 weight portions, water 72 weight portions of 4-10 micron.Stir, after 20-30 minute, mixing speed is increased to 800-1500 rev/min, continue to stir 30-40 minute, obtain the scratch resistance of water-based skinfeel without hand trace finishing agent A1.
embodiment 2
In having the rustless steel container of dispersed with stirring device, start stirring (200-300 rev/min), under room temperature, adding solid content is that 48% organic silicon modified aqueous acrylate copolymer 30 weight portions, solid content are 30% aqueous polyurethane 60 weight portions and water 126 weight portions, after stirring; Add successively polyacrylate blowing agent 9 weight portions (particle diameter is 20-40 micron), (specific area is 150-300m to silica 12 weight portions
2/ g), average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions 30 weight portions, organosilicon auxiliary agent 4.5 weight portions, water 84 weight portions of 4-10 micron.Stir, after 20-30 minute, mixing speed is increased to 800-1500 rev/min, continue to stir 30-40 minute, obtain the scratch resistance of water-based skinfeel without hand trace finishing agent A2.
embodiment 3
In having the rustless steel container of dispersed with stirring device, start stirring (200-300 rev/min), under room temperature, adding solid content is that 48% organic silicon modified aqueous acrylate copolymer 45 weight portions, solid content are 30% aqueous polyurethane 45 weight portions and water 117 weight portions, after stirring; Add successively polyacrylate blowing agent 6 weight portions (particle diameter is 20-40 micron), (specific area is 150-300m to silica 15 weight portions
2/ g), average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions 18 weight portions, organosilicon auxiliary agent 6 weight portions, water 78 weight portions of 4-10 micron.Stir, after 20-30 minute, mixing speed is increased to 800-1500 rev/min, continue to stir 30-40 minute, obtain the scratch resistance of water-based skinfeel without hand trace finishing agent A3.
Comparative example 1
All change 60 parts of organic silicon modified aqueous acrylate copolymers in embodiment 1 into aqueous polyurethane, add 90 parts of waterborne polyurethane resins, all the other make comparative sample B1 with embodiment 1.
Comparative example 2
All change 60 parts of aqueous polyurethanes in embodiment 2 into organic silicon modified aqueous acrylate copolymer, add 90 parts of organic silicon modified aqueous acrylate copolymers, all the other make comparative sample B2 with embodiment 2.
Comparative example 3
Polyacrylate blowing agent in embodiment 3 is removed, and all the other are constant, make comparative sample B3.
In order to compare and determine the specific performance situation of product with existing products in markets, we have organized three synthetic leather production industries, two leather without performances such as hand traces, to formulate judgment criteria with the just relevant skinfeel of engineer, scratch resistance, touch that surface conditioning agent industry has certain authority, in Table 1.
Table 1: skinfeel, scratch resistance, touch are without performance judgment criteria such as hand traces
The A1 that embodiment 1-3 is obtained, A2, A3, the B1 that comparative example 4-6 obtains, B2, B3 process leather sample, and the conventional several finishing agents in market the leather sample C1, C2, the C3 that process, the finishing agent that the finishing agent that the finishing agent that wherein C1 is corresponding is the wear-resisting scratch resistance resin of XX-2222, C2 is corresponding is XJ021 water-based skinfeel resin, C3 is corresponding is that XY-084 velvet is without hand trace finishing agent, by above-mentioned judgment criteria, pass judgment on by above-mentioned expert and pass judgment on respectively comprehensively, result is as table 2.
Table 2: process leather sample evaluation result
In table, result shows: water-based skinfeel scratch resistance of the present invention touches the leather sample of processing without hand trace finishing agent, can reach the indices requirement of industry, and the Water-borne modification of product than solvent borne production, use safer and more energy-conserving and environment-protective, compared with the existing simple function product in market more comprehensively, cost performance is higher for combination property.
Claims (8)
1. the scratch resistance of water-based skinfeel is without hand trace synthetic leather surface conditioning agent, it is characterized in that, by following component, formed: organic silicon modified aqueous acrylate copolymer 10-20 weight portion, aqueous polyurethane 10-20 weight portion, microballoon blowing agent 1-3 weight portion, silica 3-5 weight portion, polytetrafluoroethylene (PTFE) wax emulsion 3-10 weight portion, organosilicon auxiliary agent 1-2 weight portion, water 60-70 weight portion.
2. water-based skinfeel according to claim 1 scratch resistance, without hand trace synthetic leather surface conditioning agent, is characterized in that: organic silicon modified aqueous acrylate copolymer, its solid content is 45-50%.
3. water-based skinfeel according to claim 1 scratch resistance, without hand trace synthetic leather surface conditioning agent, is characterized in that: described aqueous polyurethane is that solid content is at the waterborne polyurethane resin of 20-40%.
4. water-based skinfeel according to claim 1 scratch resistance, without hand trace synthetic leather surface conditioning agent, is characterized in that: described microballoon blowing agent is polyacrylate blowing agent, and particle diameter is 20-40 micron.
5. water-based skinfeel according to claim 1 scratch resistance, without hand trace synthetic leather surface conditioning agent, is characterized in that: described silica is that specific area reaches 150-300m
2the precipitation method of/g or fumed silica.
6. water-based skinfeel according to claim 1 scratch resistance, without hand trace synthetic leather surface conditioning agent, is characterized in that: described polytetrafluoroethylene (PTFE) wax emulsion is that average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions of 4-10 micron.
7. water-based skinfeel according to claim 1 scratch resistance, without hand trace synthetic leather surface conditioning agent, is characterized in that: described organosilicon auxiliary agent is to have the modified organic silicon auxiliary agent of molecular structure below:
8. the water-based skinfeel scratch resistance described in preparation claim 1-7 any one, without the method for hand trace synthetic leather surface conditioning agent, is characterised in that bag expands following steps: by weight portion proportioning claimed in claim 1,
(1), in having the rustless steel container of dispersed with stirring device, under room temperature, add successively 60% of organic silicon modified aqueous acrylate copolymer, aqueous polyurethane and water inventory to stir;
(2) in step (1), add microballoon blowing agent, silica, polytetrafluoroethylene (PTFE) wax emulsion, organosilicon auxiliary agent, remaining water successively again, with 200-300 rev/min, stir after 20-30 minute, mixing speed is increased to 800-1500 rev/min, continues to stir 30-40 minute.
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Cited By (9)
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| CN105220466A (en) * | 2015-11-10 | 2016-01-06 | 江苏宝泽高分子材料股份有限公司 | A kind of use for synthetic leather scratch resistance polishing agent and preparation method thereof |
| CN105297451A (en) * | 2015-11-27 | 2016-02-03 | 江苏宝泽高分子材料股份有限公司 | Skin-touch treatment agent and preparation method thereof |
| CN106245338A (en) * | 2016-09-19 | 2016-12-21 | 上海华峰超纤材料股份有限公司 | Island ultrafine fiber suede of soft scratch resistance and preparation method thereof |
| CN109166452A (en) * | 2018-07-23 | 2019-01-08 | 福建省张氏新材料科技有限公司 | A kind of skin sensible heat mark copy printing and its production technology |
| CN109563211A (en) * | 2016-07-27 | 2019-04-02 | 科莱恩塑料和涂料有限公司 | Novel polypropylene acid esters-polysilane block copolymer |
| CN109776752A (en) * | 2019-01-22 | 2019-05-21 | 华大化学(安徽)有限公司 | A kind of ultra-soft matter skin sense dry method surface layer resin and its preparation method and application |
| CN110552207A (en) * | 2019-10-10 | 2019-12-10 | 嘉兴冰火新材料科技有限公司 | Wear-resistant and scratch-resistant material for leather and preparation method thereof |
| CN112431031A (en) * | 2020-11-04 | 2021-03-02 | 安徽安利材料科技股份有限公司 | Low-haze and easy-to-clean polyurethane synthetic leather for suede sofa furniture and preparation method thereof |
| CN112962309A (en) * | 2021-04-23 | 2021-06-15 | 广东玉兰集团股份有限公司 | Antiviral slurry special for wall cloth, wall cloth and production method thereof |
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Cited By (13)
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| CN105220466A (en) * | 2015-11-10 | 2016-01-06 | 江苏宝泽高分子材料股份有限公司 | A kind of use for synthetic leather scratch resistance polishing agent and preparation method thereof |
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| CN109563211B (en) * | 2016-07-27 | 2022-03-22 | 科莱恩塑料和涂料有限公司 | Novel polyacrylate-polysilane block copolymers |
| CN109563211A (en) * | 2016-07-27 | 2019-04-02 | 科莱恩塑料和涂料有限公司 | Novel polypropylene acid esters-polysilane block copolymer |
| CN106245338A (en) * | 2016-09-19 | 2016-12-21 | 上海华峰超纤材料股份有限公司 | Island ultrafine fiber suede of soft scratch resistance and preparation method thereof |
| CN106245338B (en) * | 2016-09-19 | 2018-10-19 | 上海华峰超纤材料股份有限公司 | Island ultrafine fiber suede of soft scratch resistance and preparation method thereof |
| CN109166452A (en) * | 2018-07-23 | 2019-01-08 | 福建省张氏新材料科技有限公司 | A kind of skin sensible heat mark copy printing and its production technology |
| CN109776752A (en) * | 2019-01-22 | 2019-05-21 | 华大化学(安徽)有限公司 | A kind of ultra-soft matter skin sense dry method surface layer resin and its preparation method and application |
| CN110552207A (en) * | 2019-10-10 | 2019-12-10 | 嘉兴冰火新材料科技有限公司 | Wear-resistant and scratch-resistant material for leather and preparation method thereof |
| CN112431031A (en) * | 2020-11-04 | 2021-03-02 | 安徽安利材料科技股份有限公司 | Low-haze and easy-to-clean polyurethane synthetic leather for suede sofa furniture and preparation method thereof |
| CN112431031B (en) * | 2020-11-04 | 2023-09-22 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather with low haze and easy cleaning for anti-napping sofa furniture and preparation method thereof |
| CN112962309A (en) * | 2021-04-23 | 2021-06-15 | 广东玉兰集团股份有限公司 | Antiviral slurry special for wall cloth, wall cloth and production method thereof |
| CN112962309B (en) * | 2021-04-23 | 2022-06-28 | 广东玉兰集团股份有限公司 | Special antiviral slurry for wall cloth, wall cloth and production method thereof |
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