CN103590248B - 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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- CN103590248B CN103590248B CN201310565127.3A CN201310565127A CN103590248B CN 103590248 B CN103590248 B CN 103590248B CN 201310565127 A CN201310565127 A CN 201310565127A CN 103590248 B CN103590248 B CN 103590248B
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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 worldwide instead of the natural leather of inadequate resource in a large number, Synthetic Leather is adopted to make the decoration of case and bag, clothes, footwear, vehicle and furniture, day by day obtain the affirmative in market, its range of application is wide, quantity is big, more than kind, be that traditional natural leather cannot meet.At present at synthetic leather production field, synthetic leather process of surface treatment technology, because of class and added value that it greatly can improve product, is more and more subject to market and payes attention to.Surface treatment mainly contains the processes such as printing, spraying, roller coating, embossing, can change colour, increase delustring process, improves sense of touch and form numerous different-style synthetic leather.But the existing most performance of surface conditioning agent is commercially single, and mostly is solvent-borne type, not only produces dangerous environmental protection, cost also higher.
There is skinfeel, velvet, scratch resistance, touch without the synthetic leather surface conditioning agent of the splendid combination properties such as hand trace while water-based, in market and document, have no the report that product is implemented and studied.
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 made up 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 the waterborne polyurethane resin of solid content at 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.
Polytetrafluoroethylene (PTFE) 30% aqueous dispersions of described polytetrafluoroethylene (PTFE) wax emulsion to be average grain diameter be 4-10 micron.
Described organosilicon auxiliary agent is the modified organic silicon auxiliary agent with molecular structure below:
Prepare the method for above-mentioned water-based skinfeel scratch resistance without hand trace synthetic leather surface conditioning agent, bag expands following steps: by above-mentioned weight,
(1) in the rustless steel container having dispersed with stirring device, add organic silicon modified aqueous acrylate copolymer, aqueous polyurethane and water inventory under room temperature successively 60% stirs;
(2) in step (1), microballoon blowing agent, silica, polytetrafluoroethylene (PTFE) wax emulsion, organosilicon auxiliary agent, remaining water is added successively again, after stirring 20-30 minute with 200-300 rev/min, mixing speed is increased to 800-1500 rev/min, continues to stir 30-40 minute.
The organic silicon modified propenoic ester copolymer wherein added has excellent soft feel, good adhesive force and better weather resistance.
The aqueous polyurethane wherein added be there is excellent color developing, film forming is as clear as crystal does not after-tack and have good percentage elongation, resilience and non yellowing performance etc.
The microballoon blowing agent wherein added is a kind of is shell by acrylic polymer, inside there is the microspheres of easy expanding gas, housing softens at a certain temperature, gas expansion, microballoon is made to expand several times, thus provide a kind of like the feel as tender skin, and there are good elasticity, certain scratch resistance and reduce the performance touching hand trace.
The silica wherein added can provide delustring and certain scratch resistance performance.
The polytetrafluoroethylene (PTFE) wax emulsion wherein added has better slippery and anti scuffing performance.
The organosilicon auxiliary agent wherein added is a kind of organosilicon new material with special structure, due to its two ends and side chain being connected to polyether segment all respectively, 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 effects such as hand traces without hand trace synthetic leather surface conditioning agent on Synthetic Leather surface, need not any solvent, resource waste and pollution environment can not be caused, meet safety, environmental protection and energy saving requirement and be beneficial to health of human body.
With surface conditioning agent process high-grade clothing leather of the present invention, 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.
detailed description of the invention:
Be described in further details the present invention below by embodiment, these embodiments are only used for the present invention is described, do not limit the scope of the invention.
In the examples below, organic silicon modified aqueous acrylate copolymer is buied from Sheng Da chemical plant, Nantong, and solid content is about 48%; Aqueous polyurethane is purchased from Weng Kaier company; Organosilicon auxiliary agent our company conventionally makes by oneself; Polytetrafluoroethylene (PTFE) wax emulsion is purchased from sky, Nanjing poem; All the other components are market and buy.
Prepare organosilicon auxiliary agent
The first step: the two hydrogen end-blocking containing hydrogen silicone oil intermediate of preparation
D is added successively in proportion being furnished with agitator, in the reactor of reflux cool condenser, thermometer
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)
2and catalyst activity carclazyte H), stirring reaction 24-48 hour at 20-40 DEG C, decompression removing low molecule, after filtration two hydrogen end-blocking containing hydrogen silicone oil intermediate, molecular formula is:
Second step: prepare organosilicon auxiliary agent:
Two hydrogen end-blocking containing hydrogen silicone oil intermediates of the first step, propenyl polyethers (molecular formula is as follows) and chloroplatinic acid catalyst is added in proportion successively being furnished with agitator, in the reactor of reflux cool condenser, thermometer, stirring reaction 2-4 hour at 100-140 DEG C, decompression removing low molecule, obtains organosilicon auxiliary agent after filtration.
Wherein propenyl pfpe molecule formula is:
The molecular formula of organosilicon auxiliary agent is:
embodiment 1
In the rustless steel container having dispersed with stirring device, start stirring (200-300 rev/min), add under room temperature solid content be 48% organic silicon modified aqueous acrylate copolymer 60 weight portion, solid content be 30% aqueous polyurethane 30 weight portion and water 108 weight portion, after stirring; Add polyacrylate blowing agent 3 weight portion (particle diameter is 20-40 micron) successively, (specific area is 150-300m to silica 9 weight portion
2/ g), average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions 9 weight portion, organosilicon auxiliary agent 3 weight portion, water 72 weight portion 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 the rustless steel container having dispersed with stirring device, start stirring (200-300 rev/min), add under room temperature solid content be 48% organic silicon modified aqueous acrylate copolymer 30 weight portion, solid content be 30% aqueous polyurethane 60 weight portion and water 126 weight portion, after stirring; Add polyacrylate blowing agent 9 weight portion (particle diameter is 20-40 micron) successively, (specific area is 150-300m to silica 12 weight portion
2/ g), average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions 30 weight portion, organosilicon auxiliary agent 4.5 weight portion, water 84 weight portion 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 the rustless steel container having dispersed with stirring device, start stirring (200-300 rev/min), add under room temperature solid content be 48% organic silicon modified aqueous acrylate copolymer 45 weight portion, solid content be 30% aqueous polyurethane 45 weight portion and water 117 weight portion, after stirring; Add polyacrylate blowing agent 6 weight portion (particle diameter is 20-40 micron) successively, (specific area is 150-300m to silica 15 weight portion
2/ g), average grain diameter is polytetrafluoroethylene (PTFE) 30% aqueous dispersions 18 weight portion, organosilicon auxiliary agent 6 weight portion, water 78 weight portion 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 acrylate copolymer 60 parts organic silicon modified aqueous in embodiment 1 into aqueous polyurethane, namely add waterborne polyurethane resin 90 parts, all the other are with embodiment 1, obtained comparative sample B1.
Comparative example 2
All change aqueous polyurethane in embodiment 2 60 parts into organic silicon modified aqueous acrylate copolymer, namely add organic silicon modified aqueous acrylate copolymer 90 parts, all the other are with embodiment 2, obtained comparative sample B2.
Comparative example 3
Removed by polyacrylate blowing agent in embodiment 3, all the other are constant, obtained comparative sample B3.
In order to compare with existing products in markets and determine the specific performance situation of product, we have organized three synthetic leather production industries, two leather surface conditioning agent industries have certain authoritative engineer and formulated judgment criteria, in table 1 with regard to relevant skinfeel, scratch resistance, touch without performances such as hand traces.
Table 1: skinfeel, scratch resistance, touch are without performances evaluation standards such as hand traces
A1, A2, A3 that embodiment 1-3 is obtained, B1, B2, B3 process leather sample that comparative example 4-6 obtains, and leather sample C1, C2, C3 of several finishing agent process that market is commonly used, the finishing agent that the finishing agent that the finishing agent that wherein C1 is corresponding is XX-2222 wear-resisting scratch resistance resin, C2 is corresponding is XJ021 water-based skinfeel resin, C3 is corresponding is that XY-084 velvet is without hand trace finishing agent, undertaken passing judgment on by above-mentioned judgment criteria and carry out judge respectively comprehensively by above-mentioned expert, result is as table 2.
Table 2: process leather sample evaluation result
Result display in table: water-based skinfeel scratch resistance of the present invention touches the leather sample without the process of hand trace finishing agent, the indices requirement of industry can be reached, 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 (6)
1. the scratch resistance of water-based skinfeel is without hand trace synthetic leather surface conditioning agent, it is characterized in that, be made up 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 organosilicon auxiliary agent is the modified organic silicon auxiliary agent with molecular structure below:
2. water-based skinfeel according to claim 1 scratch resistance is without hand trace synthetic leather surface conditioning agent, it is characterized in that: organic silicon modified aqueous acrylate copolymer, and its solid content is 45-50%.
3. water-based skinfeel according to claim 1 scratch resistance is without hand trace synthetic leather surface conditioning agent, it is characterized in that: described aqueous polyurethane is the waterborne polyurethane resin of solid content at 20-40%.
4. water-based skinfeel according to claim 1 scratch resistance is without hand trace synthetic leather surface conditioning agent, it 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 is without hand trace synthetic leather surface conditioning agent, it 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 is without hand trace synthetic leather surface conditioning agent, it is characterized in that: polytetrafluoroethylene (PTFE) 30% aqueous dispersions of described polytetrafluoroethylene (PTFE) wax emulsion to be average grain diameter be 4-10 micron.
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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 |
| EP3275909A1 (en) * | 2016-07-27 | 2018-01-31 | Clariant Plastics & Coatings Ltd | Novel polyacrylate-polysilane block copolymers |
| 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 |
| CN109166452B (en) * | 2018-07-23 | 2021-03-16 | 福建省张氏新材料科技有限公司 | Skin-feel heat transfer trademark and production process thereof |
| 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 |
| 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 |
| 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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| CN101121860B (en) * | 2007-09-07 | 2010-06-09 | 江苏兰陵高分子材料有限公司 | Chromium-free fingerprint-resistant coating |
| CN101705621A (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 matte surface finishing agent for synthetic leather |
| CN102284198A (en) * | 2011-05-18 | 2011-12-21 | 黄山市强力化工有限公司 | Water-soluble polyether modified organic silicon defoaming agent as well as preparation and compounding methods thereof |
| CN103541228B (en) * | 2012-07-09 | 2015-08-05 | 华伦皮塑（苏州）有限公司 | A kind of preparation method of environment-friendlyoutdoor outdoor sofa leather |
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Inventor after: Li Guijun Inventor after: Li Guimin Inventor after: Feng Huisheng Inventor after: Zhang Feng Inventor after: Jin Yeling Inventor after: Chen Jing Inventor after: Chen Quan Inventor before: Li Guijun Inventor before: Li Guimin Inventor before: Feng Huisheng Inventor before: Zhang Feng |
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Effective date of registration: 20201215 Address after: Room 307, building 1, software park, No. 9, Huaihe Road, Hongze District, Huai'an City, Jiangsu Province Patentee after: Jiangsu Huayuan High Tech Co.,Ltd. Address before: 223300 No. 38 East Jiujiang Road, Huaiyin District, Jiangsu, Huaian Patentee before: HUAIAN KAIYUE TECHNOLOGY DEVELOPMENT Co.,Ltd. |