CN106637926A - Waterborne synthetic leather surface treatment agent and preparation method thereof - Google Patents

Waterborne synthetic leather surface treatment agent and preparation method thereof Download PDF

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Publication number
CN106637926A
CN106637926A CN201610961641.2A CN201610961641A CN106637926A CN 106637926 A CN106637926 A CN 106637926A CN 201610961641 A CN201610961641 A CN 201610961641A CN 106637926 A CN106637926 A CN 106637926A
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synthetic leather
powder
added
heated
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黄小平
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NANPING BOSHIDA ENERGY-SAVING TECHNOLOGY Co Ltd
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NANPING BOSHIDA ENERGY-SAVING TECHNOLOGY Co Ltd
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  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

The invention discloses a waterborne synthetic leather surface treatment agent and a preparation method thereof and relates to the technical field of processing of synthetic leather. The waterborne synthetic leather surface treatment agent is prepared from the following raw materials in parts by weight: 70-80 parts of waterborne silicone resin, 5-10 parts of pentaerythritol ester of hydrogenated rosin, 4-8 parts of chlorosulfonated polyethylene, 3-6 parts of powdered nitrile butadiene rubber, 3-6 parts of ultrafine polytetrafluoroethylene powder, 2-4 parts of triallyl cyanurate, 2-4 parts of nano-micelle powder, 2-4 parts of C5 petroleum resin, 2-4 parts of lauryl alcohol polyoxyethylene ether, 1-2 parts of vulcanized lard oil, 1-2 parts of diacetone acrylamide, 1-2 parts of cetyl alcohol, 0.5-1 part of tea seed powder, 0.5-1 part of 2-methylimidazole, 0.5-1 part of molecular sieve raw powder, 0.3-0.5 part of a titanate coupling agent and 150-200 parts of water. The surface treatment agent prepared by the invention can uniformly permeate into a rubber layer of the synthetic leather only if sizing is carried out for one time; problems of a traditional secondary sizing process that the cost is increased and the production period is prolonged are avoided; and meanwhile, the utilization performance of the synthetic leather treated by the surface treatment agent can be enhanced.

Description

A kind of Waterborne synthetic leather surface conditioning agent and preparation method thereof
Technical field：
The present invention relates to synthetic leather processing technical field, and in particular to a kind of Waterborne synthetic leather surface conditioning agent and its preparation Method.
Background technology：
Synthetic leather, be simulate natural leather the Nomenclature Composition and Structure of Complexes and can be used as the plastic products of its substitute material.Generally with Jing The non-woven fabrics of dipping is lamina reticularis, and microporous polyurethane layer is obtained as grain layer.Its positive and negative is all quite similar with leather, and With certain gas permeability, than common artificial leather closer to natural leather, making footwear, boots, case and bag and ball etc. are widely used in.
Want to reach preferable using effect, in the production process of synthetic leather, it is necessary to which synthetic leather is surface-treated, Give smooth, the soft feel in synthetic leather surface and waterproof, antifouling and wear-resisting performance.At present, the synthesis for being used On the one hand leather surface conditioning agent includes organic solvent, and the body that working environment and staff can be had a strong impact on Jing after volatilization is good for Health；On the other hand because permeability, levelability are not up to preferable use state, therefore need to carry out secondary starching when processing, Can be only achieved the uniform effect of starching.
The content of the invention：
The technical problem to be solved is that a kind of feature of environmental protection of offer is strong, is conducive to improving synthetic leather texture and makes A starching is needed with performance and only to can reach Waterborne synthetic leather surface conditioning agent of uniform starch finishing effect and preparation method thereof.
The technical problem to be solved is realized using following technical scheme：
A kind of Waterborne synthetic leather surface conditioning agent, is made up of the raw material of following parts by weight：
Aqueous silicone resin 70-80 parts, hydrogenated rosin pentaerythritol ester 5-10 parts, chlorosulfonated polyethylene 4-8 parts, powder fourth Nitrile rubber 3-6 parts, ultra-fine polytetrafluorethylepowder powder 3-6 parts, TAC 2-4 parts, nanometer rubber powder 2-4 parts, C5 stones Oleoresin 2-4 parts, ethoxylated dodecyl alcohol 2-4 parts, sulfurized lard 1-2 parts, DAAM 1-2 parts, cetanol 1-2 Part, tea seed powder 0.5-1 parts, 2-methylimidazole 0.5-1 parts, molecular screen primary powder 0.5-1 parts, titanate coupling agent 0.3-0.5 parts, water 150-200 parts.
The aqueous silicone resin is formed by silicone resin is modified, and its method of modifying is：Add in 15-20 part silicone resins Enter 3-5 part turpentine oil, 2-3 parts PAMC and 0.5-1 part PDDAs, after being sufficiently mixed Microwave treatment 5min under microwave frequency 2450MHz, power 700W, adds 1-2 part rilanit specials, 0.5-1 part polyphenyl second Alkene sodium sulfonate and 0.5-1 part N methyldiethanol amines, after being well mixed continue microwave treatment 5min, microwave treatment terminate after immediately Sealing and standing 3h in 0-5 DEG C of environment is proceeded to, 125-130 DEG C of insulation mixing 15min is then heated to, is added in gained mixture 0-5 DEG C of cold water of 60-80 parts, stands 1h after being sufficiently mixed, be subsequently heated to reflux state insulation mixing 30min, and natural cooling To room temperature, finally send into spray dryer, be dried gained particle and be aqueous silicone resin.
Silicone resin is obtained aqueous silicone resin through above-mentioned being modified, to prepare aqueous treatment agent as solvent with water, Avoid polluting environment after the organic solvent volatilization existed using organic solvent dissolving and dissolution silicone resin and be detrimental to health Problem.
The nanometer rubber powder is made up of the raw material of following parts by weight：PVC paste resin 4-8 parts, PLA 3-6 parts, Microcrystalline cellulose 2-4 parts, flyash 2-4 parts, Sodium Polyacrylate 1-2 parts, epoxidized soybean oil 1-2 parts, stearic amide 1-2 parts, Nano zinc powder 0.5-1 parts, chlorination hydroxyl aluminium 0.5-1 part, trimellitic anhydride 0.3-0.5 parts, its preparation method is：To Welvic PLA and epoxidized soybean oil are added in resin, the microwave treatment under microwave frequency 2450MHz, power 700W is sufficiently mixed 5min, is stored at room temperature after 1h microwave treatment 5min again, adds microcrystalline cellulose, Sodium Polyacrylate, stearic amide and partially Benzenetricarboxylic anhydride, continues microwave treatment 5min after being well mixed, freezing in -5-0 DEG C of environment is proceeded to immediately after and stands 3h, subsequently adds Enter flyash, nano zinc powder and chlorination hydroxyl aluminium, and be heated to 115-120 DEG C of insulation mixing 15min, gained mixture proceeds to nanometer Grind in grinder, obtain final product a nanometer rubber powder.
There is hydrophilic and lipophilic group simultaneously in made nanometer rubber powder, thus with raw material in high molecular polymer and water it is equal Can be blended well, so as to promote raw material dispersed in water.
A kind of preparation method of Waterborne synthetic leather surface conditioning agent, comprises the steps：
(1) ultra-fine polytetrafluorethylepowder powder and nanometer rubber powder are added in hydrogenated rosin pentaerythritol ester, and is heated to 115-120 DEG C of insulation mixing 15min, stands and be again heated to after 1h 115-120 DEG C of insulation mixing 15min, then adds while hot Cetanol and molecular screen primary powder, are well mixed, and obtain final product material I；
(2) PNBR, TAC and C5 Petropols are added in chlorosulfonated polyethylene, and is added Then heat cooled to 120-125 DEG C of insulation mixing 15min with the speed of 10-15 DEG C/min, treats that temperature is down to 35-40 DEG C Insulation afterwards stands 30min, is again heated to 120-125 DEG C of insulation mixing 15min, obtains final product material II；
(3) ethoxylated dodecyl alcohol, tea seed powder and titanate coupling agent are added in water, and is heated to reflux state guarantor Temperature mixing 10min, adds sulfurized lard, DAAM and 2-methylimidazole, continues the insulation mixing 5min that flows back, so After add aqueous silicone resin, be well mixed, obtain final product material III；
(4) material I and material II is added in material III, sealing and standing 3h in 0-5 DEG C of environment is sufficiently mixed, most After be heated to reflux state insulation mixing 30min, obtain final product Waterborne synthetic leather surface conditioning agent.
The invention has the beneficial effects as follows：The present invention is aided with various auxiliary agents and water is obtained with aqueous silicone resin as primary raw material Property synthetic leather surface conditioning agent, the feature of environmental protection is strong, it is to avoid the pollution environment existed using organic solvent and the problem that is detrimental to health； And made surface conditioning agent only needs glue-line of the uniformly penetrating to synthetic leather by a starching, it is to avoid traditional secondary sizing technique The increase cost of presence and the problem for extending manufacture cycle；Simultaneously the inorganic agent can strengthen the usability for being processed rear synthetic leather Can, skin-friction coefficient is reduced, breathable moisture permeability, scratch resistance and water-sprinkling soil resistance are improved, increase soft, wax skating sense, from And raising process after synthetic leather quality.
Specific embodiment：
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
(1) 3 parts of ultra-fine polytetrafluorethylepowder powders and 2 parts of nanometer rubber powders are added in 5 parts of hydrogenated rosin pentaerythritol esters, and 115-120 DEG C of insulation mixing 15min is heated to, is stood and be again heated to after 1h 115-120 DEG C of insulation mixing 15min, then taken advantage of Heat adds 1 part of cetanol and 0.5 part of molecular screen primary powder, is well mixed, and obtains final product material I；
(2) 3 parts of PNBRs, 2 parts of TACs and 2 parts of C5 are added in 4 parts of chlorosulfonated polyethylenes Petropols, and 120-125 DEG C of insulation mixing 15min is heated to, then cooled with the speed of 10-15 DEG C/min, treat temperature Insulation after degree is down to 35-40 DEG C stands 30min, is again heated to 120-125 DEG C of insulation mixing 15min, obtains final product material II；
(3) 2 parts of ethoxylated dodecyl alcohols, 0.5 part of tea seed powder and 0.3 part of titanate coupling agent are added in 200 parts of water, And reflux state insulation mixing 10min is heated to, add 1 part of sulfurized lard, 1 part of DAAM and 0.5 part of 2- first Base imidazoles, continues the insulation mixing 5min that flows back, and is subsequently adding 70 parts of aqueous silicone resins, is well mixed, and obtains final product material III；
(4) material I and material II is added in material III, sealing and standing 3h in 0-5 DEG C of environment is sufficiently mixed, most After be heated to reflux state insulation mixing 30min, obtain final product Waterborne synthetic leather surface conditioning agent.
The preparation of aqueous silicone resin：3 parts of turpentine oil, 2 parts of PAMCs are added in 20 parts of silicone resins With 0.5 part of PDDA, the microwave treatment under microwave frequency 2450MHz, power 700W is sufficiently mixed 5min, adds 1 part of rilanit special, 0.5 part of kayexalate and 0.5 part of N methyldiethanol amine, after being well mixed Continue microwave treatment 5min, microwave treatment proceeds to immediately sealing and standing 3h in 0-5 DEG C of environment, is then heated to 125- after terminating 130 DEG C of insulation mixing 15min, 80 parts of 0-5 DEG C of cold water are added in gained mixture, and 1h is stood after being sufficiently mixed, and are subsequently heated To reflux state insulation mixing 30min, and room temperature is naturally cooled to, finally sent into spray dryer, being dried gained particle is For aqueous silicone resin.
The preparation of nanometer rubber powder：4 parts of PLAs and 1 part of epoxidized soybean oil are added in 5 parts of PVC paste resins, fully Mixing microwave treatment 5min under microwave frequency 2450MHz, power 700W, is stored at room temperature after 1h microwave treatment 5min again, 2 parts of microcrystalline celluloses, 1 part of Sodium Polyacrylate, 1 part of stearic amide and 0.5 part of trimellitic anhydride are added, is well mixed follow-up Continuous microwave treatment 5min, proceeds to immediately after freezing in -5-0 DEG C of environment and stands 3h, is subsequently added 2 parts of flyash, 0.5 part of nanometer Zinc powder and 0.5 part of chlorination hydroxyl aluminium, and 115-120 DEG C of insulation mixing 15min is heated to, gained mixture is proceeded in nano-level grinder Grinding, obtains final product a nanometer rubber powder.
Embodiment 2
(1) 3 parts of ultra-fine polytetrafluorethylepowder powders and 2 parts of nanometer rubber powders are added in 8 parts of hydrogenated rosin pentaerythritol esters, and 115-120 DEG C of insulation mixing 15min is heated to, is stood and be again heated to after 1h 115-120 DEG C of insulation mixing 15min, then taken advantage of Heat adds 1 part of cetanol and 0.5 part of molecular screen primary powder, is well mixed, and obtains final product material I；
(2) 3 parts of PNBRs, 2 parts of TACs and 2 parts of C5 are added in 5 parts of chlorosulfonated polyethylenes Petropols, and 120-125 DEG C of insulation mixing 15min is heated to, then cooled with the speed of 10-15 DEG C/min, treat temperature Insulation after degree is down to 35-40 DEG C stands 30min, is again heated to 120-125 DEG C of insulation mixing 15min, obtains final product material II；
(3) 3 parts of ethoxylated dodecyl alcohols, 0.5 part of tea seed powder and 0.3 part of titanate coupling agent are added in 200 parts of water, And reflux state insulation mixing 10min is heated to, add 1 part of sulfurized lard, 1 part of DAAM and 0.5 part of 2- first Base imidazoles, continues the insulation mixing 5min that flows back, and is subsequently adding 80 parts of aqueous silicone resins, is well mixed, and obtains final product material III；
(4) material I and material II is added in material III, sealing and standing 3h in 0-5 DEG C of environment is sufficiently mixed, most After be heated to reflux state insulation mixing 30min, obtain final product Waterborne synthetic leather surface conditioning agent.
The preparation of aqueous silicone resin：5 parts of turpentine oil, 2 parts of PAMCs are added in 20 parts of silicone resins With 0.5 part of PDDA, the microwave treatment under microwave frequency 2450MHz, power 700W is sufficiently mixed 5min, adds 1 part of rilanit special, 0.5 part of kayexalate and 0.5 part of N methyldiethanol amine, after being well mixed Continue microwave treatment 5min, microwave treatment proceeds to immediately sealing and standing 3h in 0-5 DEG C of environment, is then heated to 125- after terminating 130 DEG C of insulation mixing 15min, 80 parts of 0-5 DEG C of cold water are added in gained mixture, and 1h is stood after being sufficiently mixed, and are subsequently heated To reflux state insulation mixing 30min, and room temperature is naturally cooled to, finally sent into spray dryer, being dried gained particle is For aqueous silicone resin.
The preparation of nanometer rubber powder：3 parts of PLAs and 1 part of epoxidized soybean oil are added in 6 parts of PVC paste resins, fully Mixing microwave treatment 5min under microwave frequency 2450MHz, power 700W, is stored at room temperature after 1h microwave treatment 5min again, 2 parts of microcrystalline celluloses, 2 parts of Sodium Polyacrylates, 1 part of stearic amide and 0.5 part of trimellitic anhydride are added, is well mixed follow-up Continuous microwave treatment 5min, proceeds to immediately after freezing in -5-0 DEG C of environment and stands 3h, is subsequently added 2 parts of flyash, 0.5 part of nanometer Zinc powder and 0.5 part of chlorination hydroxyl aluminium, and 115-120 DEG C of insulation mixing 15min is heated to, gained mixture is proceeded in nano-level grinder Grinding, obtains final product a nanometer rubber powder.
Embodiment 3
The starching of embodiment 1 and the made surface conditioning agent Jing of embodiment 2 is processed into synthetic leather, shows that starching is uniform, and Performance test is carried out to the synthetic leather Jing after processing, as a result as shown in table 1.
The performance test results of synthetic leather after the surface treated agent of table 1 process
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its Equivalent thereof.

Claims (4)

1. a kind of Waterborne synthetic leather surface conditioning agent, it is characterised in that be made up of the raw material of following parts by weight：Aqueous silicone tree It is fat 70-80 parts, hydrogenated rosin pentaerythritol ester 5-10 parts, chlorosulfonated polyethylene 4-8 parts, PNBR 3-6 parts, ultra-fine poly- Tetrafluoroethene powder 3-6 parts, TAC 2-4 parts, nanometer rubber powder 2-4 parts, C5 Petropols 2-4 parts, laruyl alcohol APEO 2-4 parts, sulfurized lard 1-2 parts, DAAM 1-2 parts, cetanol 1-2 parts, tea seed powder 0.5-1 parts, 2-methylimidazole 0.5-1 parts, molecular screen primary powder 0.5-1 parts, titanate coupling agent 0.3-0.5 parts, water 150-200 parts.
2. Waterborne synthetic leather surface conditioning agent according to claim 1, it is characterised in that：The aqueous silicone resin is by silicon Ketone resin is modified to be formed, and its method of modifying is：3-5 part turpentine oil, 2-3 parts cation is added to gather in 15-20 part silicone resins Acrylamide and 0.5-1 part PDDAs, are sufficiently mixed after microwave frequency 2450MHz, power 700W Lower microwave treatment 5min, adds 1-2 part rilanit specials, 0.5-1 parts kayexalate and 0.5-1 part N- methyl diethyls Hydramine, continues microwave treatment 5min after being well mixed, microwave treatment proceeds to immediately sealing and standing 3h in 0-5 DEG C of environment after terminating, 125-130 DEG C of insulation mixing 15min is then heated to, 60-80 0-5 DEG C of cold water of part is added in gained mixture, be sufficiently mixed After stand 1h, be subsequently heated to reflux state insulation mixing 30min, and naturally cool to room temperature, finally send into spray dryer In, it is dried gained particle and is aqueous silicone resin.
3. Waterborne synthetic leather surface conditioning agent according to claim 1, it is characterised in that：The nanometer rubber powder is by weighing as follows The raw material of amount number is made：PVC paste resin 4-8 parts, PLA 3-6 parts, microcrystalline cellulose 2-4 parts, flyash 2-4 parts, Sodium Polyacrylate 1-2 parts, epoxidized soybean oil 1-2 parts, stearic amide 1-2 parts, nano zinc powder 0.5-1 parts, chlorination hydroxyl aluminium 0.5-1 Part, trimellitic anhydride 0.3-0.5 parts, its preparation method is：PLA and epoxidized soybean oil are added in PVC paste resin, Microwave treatment 5min under microwave frequency 2450MHz, power 700W is sufficiently mixed, microwave treatment again is stored at room temperature after 1h 5min, adds microcrystalline cellulose, Sodium Polyacrylate, stearic amide and trimellitic anhydride, continues at microwave after being well mixed Reason 5min, proceeds to immediately after freezing in -5-0 DEG C of environment and stands 3h, is subsequently added flyash, nano zinc powder and chlorination hydroxyl aluminium, And 115-120 DEG C of insulation mixing 15min is heated to, gained mixture is proceeded in nano-level grinder and ground, and obtains final product a nanometer rubber powder.
4. a kind of preparation method of Waterborne synthetic leather surface conditioning agent, it is characterised in that comprise the steps：
(1) ultra-fine polytetrafluorethylepowder powder and nanometer rubber powder are added in hydrogenated rosin pentaerythritol ester, and is heated to 115-120 DEG C insulation mixing 15min, stand 1h after be again heated to 115-120 DEG C insulation mixing 15min, then while hot add cetanol and Molecular screen primary powder, is well mixed, and obtains final product material I；
(2) PNBR, TAC and C5 Petropols are added in chlorosulfonated polyethylene, and is heated to 120-125 DEG C of insulation mixing 15min, is then cooled with the speed of 10-15 DEG C/min, is protected after temperature is down to 35-40 DEG C Temperature stands 30min, is again heated to 120-125 DEG C of insulation mixing 15min, obtains final product material II；
(3) ethoxylated dodecyl alcohol, tea seed powder and titanate coupling agent are added in water, and it is mixed to be heated to reflux state insulation 10min is closed, sulfurized lard, DAAM and 2-methylimidazole is added, continues flow back insulation mixing 5min, Ran Houjia Enter aqueous silicone resin, be well mixed, obtain final product material III；
(4) material I and material II is added in material III, sealing and standing 3h in 0-5 DEG C of environment is sufficiently mixed, is finally added Heat obtains final product Waterborne synthetic leather surface conditioning agent to reflux state insulation mixing 30min.
CN201610961641.2A 2016-11-04 2016-11-04 Waterborne synthetic leather surface treatment agent and preparation method thereof Pending CN106637926A (en)

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CN108866262A (en) * 2018-05-25 2018-11-23 安徽新创智能科技有限公司 A kind of processing method and application of waste and old leather shoes leather

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