CN102493173B - Leather antibacterial treatment agent and antibacterial treatment process for leather - Google Patents

Leather antibacterial treatment agent and antibacterial treatment process for leather Download PDF

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Publication number
CN102493173B
CN102493173B CN 201110420622 CN201110420622A CN102493173B CN 102493173 B CN102493173 B CN 102493173B CN 201110420622 CN201110420622 CN 201110420622 CN 201110420622 A CN201110420622 A CN 201110420622A CN 102493173 B CN102493173 B CN 102493173B
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Prior art keywords
leather
parts
antibacterial treatment
finishing agent
antibacterial
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CN 201110420622
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Chinese (zh)
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CN102493173A (en
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江宗勇
张兵
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CHENGDU FULUQI SHOES CO LTD
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CHENGDU FULUQI SHOES CO LTD
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Abstract

The invention discloses leather antibacterial treatment agent, which comprises, by weight, 20-50 parts of nano material dispersant, 3-5 parts of silver-contained object, 3-5 parts of zinc oxide whiskers, 3-5 parts of nano titanium dioxide and 50-80 parts of inorganic powder filler. The invention further discloses an antibacterial treatment process for leather, which includes an antibacterial treatment procedure added to the conventional tanning process. The leather antibacterial treatment agent is added to immerse fur, so that mould resistance of finished leather is improved. Shrink temperature of leather in industrial production can reach above 90 DEG C by the aid of the leather antibacterial treatment agent and by the antibacterial treatment process, and shoemaking requirements can be met. Detection requirements of environmental symbol products on hexavalent chromium and total chromium are met. No phosphorous pollution occurs, and no formaldehyde emits. Requirements of leather of high-grade environment-friendly uppers and shoe linings on mould resistance are met. The conventional tanning process needs no special adjustment, and the antibacterial treatment process can be well used with the existing tanning process.

Description

A kind of leather antibacterial finishing agent and antibacterial treatment process thereof
Technical field
The present invention relates to the leather antibacterial process field, be specifically related to a kind of leather antibacterial finishing agent and antibacterial treatment process thereof.
Background technology
The consumer almost seldom carries out special cleaning, especially footwear in the dress of leather and fur products with in the middle of using, so that the breeding problem of the accumulation of product surface dirt and bacterium is serious.So the today of pursuing the high-quality life of safety, cleaning people, antibacterial leather also becomes the object that people pay close attention to gradually.Common leather-making technology comprises preparatory process (in comprising immersion, cutting, degreasing, washing), tanning operation and arranging process (comprise stuffing, get damp again, scrape soft, shaping and whole hair).Because leather easily is subject to the infringement of bacterium, in particular for making the leather of leather shoes, needs finished leather to have stronger anti-mildew and become ability.But up to the present, real antibacterial treatment with leather is incorporated in the process hides operation and does not almost have.Not having special antibiotic finish operation in traditional leather-making technology, make leather products have anti-microbial property, is main antiseptic with common silver ion or inorganic nano-silver generally, directly is used in the later stage one-tenth footwear article of footwear.Main implementation method is by making used additives that antiseptic is dispersed in adhesive or the coating, then by pad, the mode such as spraying is combined it with the footwear material, then drying and shaping, thereby give footwear material anti-microbial property, this by later stage finished leather or the processing of one-tenth footwear, though can make leather shoes product possess certain antibiosis and self-cleaning ability, its Durability of antimicrobial effect can be relatively poor.So want to give leather lasting, efficient anti-microbial property, produce the good leather of anti-microbial property or leather and fur products, also need to start with from leather manufacture technique, make antiseptic and leather fiber produce strong bonded or produce the degree of depth and adsorb combination, so that antiseptic plays antibacterial action when exposed fiber surface or a small amount of stripping, and when the agent of hide fiber antibacterial surface reduced, inner antiseptic can make it to be replenished to the outside diffusion, and then the antibiotic durability of leather fiber is protected.
Summary of the invention
The object of the present invention is to provide a kind of leather antibacterial finishing agent, and the leather antibacterial treatment process that is undertaken by this leather antibacterial finishing agent, leather antibacterial treatment process of the present invention has increased by one the antibacterial treatment operation exactly in the leather-making technology of routine.By adding the leather antibacterial finishing agent, fur is soaked, the anti-mildew that has improved finished leather becomes ability.Concrete technical scheme of the present invention is as follows:
A kind of leather antibacterial finishing agent is counted by weight ratio, and this finishing agent is composed of the following components:
20-50 parts of nano material dispersants
Carry 3-5 parts of silver-colored things
3-5 parts of ZnOws
3-5 parts of nano titanium oxides
50-80 parts of inorganic powder fillers.
Optimum, to count by weight ratio, this leather antibacterial finishing agent is composed of the following components:
35 parts of nano material dispersants
Carry 4 parts of silver-colored things
4 parts of ZnOws
4 parts of nano titanium oxides
60 parts of inorganic powder fillers.
Described nano material dispersant is PVP or polyacrylamide.
Described year silver-colored thing is at least a in active carbon loading silver or the zeolite with carrying silver.Active carbon loading silver is exactly the material that active carbon is used as the carrier of silver ion and discharges them in needs, and same zeolite with carrying silver is exactly the material that zeolite is used as the carrier of silver ion and discharges them in needs.
Described ZnOw is four acicular type zinc oxide crystal whisker.
Described inorganic powder filler is at least a in sodium sulphate, the sodium carbonate.
A kind of leather antibacterial treatment process, comprise and prepare the semi-finished product raw hide, the semi-finished product raw hide is adopted compound bio enzyme hydrolysis, chrome-free tanning, puts and make the conventional process hides operation of leather in order, it is characterized in that: between the chrome-free tanning treatment process of routine and arranging process, increase an antibacterial treatment operation, being specially of this antibacterial treatment operation: will be 0.1% according to the leather antibacterial finishing agent dilution of above-mentioned formula ratio configuration, be used for soaking the good fur of tanning, require hide must not expose liquid level, soaked 30 minutes, and fully stir, and then enter arranging process.
Leather antibacterial finishing agent of the present invention, its Bactericidal Mechanism are after positively charged antimicrobial component touches electronegative microbial cell, mutually absorption, can effectively puncture cell membrane, make the cell protein sex change, can't breathing, metabolism and breeding, until dead, finish sterilization.At this moment, antimicrobial component is not done any consumption, still keeps original antibacterial ability, so its antibacterial ability can be permanently effective.
The present invention is characterized in that the suitability for industrialized production leather shrinking temperature can reach the requirement that meets shoemaking processing more than 90 ℃; Satisfy the environmental labels product about the testing requirement of Cr VI and total chromium; Without phosphorus pollution, formaldehydeless release; Satisfy the finished leather anti-mildew change ability that grade environmental protection vamp and shoe lining leather have; Do not need conventional process hides operation is carried out special adjustment, with existing good with the leather-making technology matching.
The specific embodiment
Embodiment 1
Count by weight ratio, the leather antibacterial finishing agent is composed of the following components:
20 parts of PVP
3 parts of active carbon loading silvers
3 parts of four acicular type zinc oxide crystal whiskers
3 parts of nano titanium oxides
50 parts in sodium carbonate
Each component of above-mentioned formula ratio mixed namely get the leather antibacterial finishing agent.
Adopt this to state the leather antibacterial finishing agent and carry out the leather antibacterial processing, its treatment process is specially:
(1) the semi-finished product raw hide is prepared.
(2) compound biological enzyme hydrolyzing process: soak adding the compound biological enzyme aqua in the semi-finished product raw hide, the temperature of immersion is decided with the kind of raw material skin, generally is advisable with 15-18 ℃, if temperature is lower than 15 ℃, then soft and soggyization is slow, temperature be higher than 20 ℃ then bacterium easily breed.In flowing water, soaked 5-6 hour, require hide to surface, macerate, soak into uniformity.
(3) chrome-free tanning operation: adopt urea, glyoxal, glycine and melamine be the synthetic chrome-free tanning agent of raw material, is that the 1:4-5(wet pelt heavily is 1 o'clock by the ratio of fur and tanning agent, tanning solution 4-5).Put into container, fur fully is immersed in the tanning solution, evenly infiltrate in the cortex in order to make tanning agent, fully stir (preferably adopting rotary drum), stir once later on every day overnight, stirs about 30 minutes at every turn, soaks tanning in 7-10 days and finish.
(4) antibacterial treatment operation: the leather antibacterial finishing agent dilution of above-mentioned formula ratio configuration is 0.1%, is used for soaking the good fur of tanning, requires hide must not expose liquid level, soaks 30 minutes, and fully stirs.
(5) arranging process: according to conventional arranging process (stuffing---moisture regain---scraping soft---shaping and whole hair), finish whole leather processing.
Above-mentioned (1) (2) (3) (5) step is the conventional operation in the process hides operation.
After utilizing this leather antibacterial treatment agent formula to process leather, satisfy the finished leather anti-mildew change ability that grade environmental protection vamp and shoe lining leather have; Do not need conventional process hides operation is carried out special adjustment, with existing good with the leather-making technology matching.
Embodiment 2
Count by weight ratio, the leather antibacterial finishing agent is composed of the following components:
35 parts of PVP
4 parts of active carbon loading silvers
4 parts of four acicular type zinc oxide crystal whiskers
4 parts of nano titanium oxides
60 parts in sodium carbonate
Each component of above-mentioned formula ratio mixed namely get the leather antibacterial finishing agent.
Adopt this to state the leather antibacterial finishing agent and carry out treatment process such as the embodiment 1 that leather antibacterial is processed.
Embodiment 3
Count by weight ratio, the leather antibacterial finishing agent is composed of the following components:
50 parts of PVP
5 parts of active carbon loading silvers
5 parts of four acicular type zinc oxide crystal whiskers
5 parts of nano titanium oxides
80 parts in sodium carbonate
Each component of above-mentioned formula ratio mixed namely get the leather antibacterial finishing agent.
Adopt this to state the leather antibacterial finishing agent and carry out treatment process such as the embodiment 1 that leather antibacterial is processed.
Embodiment 4
Count by weight ratio, the leather antibacterial finishing agent is composed of the following components:
35 parts of polyacrylamides
4 parts of zeolite with carrying silver
4 parts of four acicular type zinc oxide crystal whiskers
4 parts of nano titanium oxides
60 parts in sodium sulphate
Each component of above-mentioned formula ratio mixed namely get the leather antibacterial finishing agent.
Adopt this to state the leather antibacterial finishing agent and carry out treatment process such as the embodiment 1 that leather antibacterial is processed.
Embodiment 5
20 parts of polyacrylamides
3 parts of zeolite with carrying silver
3 parts of four acicular type zinc oxide crystal whiskers
3 parts of nano titanium oxides
50 parts in sodium sulphate
Each component of above-mentioned formula ratio mixed namely get the leather antibacterial finishing agent.
Adopt this to state the leather antibacterial finishing agent and carry out treatment process such as the embodiment 1 that leather antibacterial is processed.
Embodiment 6
50 parts of polyacrylamides
5 parts of zeolite with carrying silver
5 parts of four acicular type zinc oxide crystal whiskers
5 parts of nano titanium oxides
80 parts in sodium sulphate
Each component of above-mentioned formula ratio mixed namely get the leather antibacterial finishing agent.
Adopt this to state the leather antibacterial finishing agent and carry out treatment process such as the embodiment 1 that leather antibacterial is processed.
The leather that will make via the various embodiments described above (lower be the present invention) and the leather that makes without the antibacterial treatment operation (lower be contrast leather) under equal conditions carry out antibacterial and mouldproof experiment (main experimental Escherichia coli and staphylococcic comprehensive antibiotic rate), and experimental result sees the following form 1.
Table 1 antibacterial and mouldproof experiment table
Figure 495800DEST_PATH_IMAGE002

Claims (5)

1. leather antibacterial finishing agent is characterized in that: meter by weight ratio, and this finishing agent is composed of the following components:
20-50 parts of nano material dispersants
Carry 3-5 parts of silver-colored things
3-5 parts of ZnOws
3-5 parts of nano titanium oxides
50-80 parts of inorganic powder fillers;
Described nano material dispersant is PVP or polyacrylamide;
Described inorganic powder filler is at least a in sodium sulphate, the sodium carbonate.
2. leather antibacterial finishing agent according to claim 1 is characterized in that: meter by weight ratio, and this finishing agent is composed of the following components:
35 parts of nano material dispersants
Carry 4 parts of silver-colored things
4 parts of ZnOws
4 parts of nano titanium oxides
60 parts of inorganic powder fillers.
3. leather antibacterial finishing agent according to claim 1 is characterized in that: described year silver-colored thing is at least a in active carbon loading silver or the zeolite with carrying silver.
4. leather antibacterial finishing agent according to claim 1 is characterized in that: described ZnOw is four acicular type zinc oxide crystal whisker.
5. the antibacterial treatment process of a leather antibacterial finishing agent as claimed in claim 1 or 2, comprise and prepare the semi-finished product raw hide, the semi-finished product raw hide is adopted the compound bio enzyme hydrolysis, chrome-free tanning, arrangement and the conventional process hides operation of making leather, it is characterized in that: between the chrome-free tanning treatment process of routine and arranging process, increase an antibacterial treatment operation, being specially of this antibacterial treatment operation: will be 0.1% according to the leather antibacterial finishing agent dilution of above-mentioned formula ratio configuration, be used for soaking the good fur of tanning, require hide must not expose liquid level, soaked 30 minutes, and fully stir, and then enter arranging process.
CN 201110420622 2011-12-15 2011-12-15 Leather antibacterial treatment agent and antibacterial treatment process for leather Expired - Fee Related CN102493173B (en)

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CN102493173B true CN102493173B (en) 2013-05-01

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CN104054753A (en) * 2014-06-30 2014-09-24 南通蛇类治疗研究所 Antibacterial and sterilization disinfectant for killing avian influenza viruses
CN105534130B (en) * 2015-12-09 2018-03-23 中源家居股份有限公司 A kind of comfortable sofa of environment-friendly antibacterial
CN107354251B (en) * 2017-08-22 2019-01-25 四川大学 A kind of long acting antibiotic leather and preparation method thereof
CN107988462A (en) * 2017-11-18 2018-05-04 蚌埠市宏大制药机械有限公司 A kind of metal die with bacteriostasis
CN109957252A (en) * 2017-12-25 2019-07-02 广州福天信息技术有限公司 A kind of antibacterial complex leather material and preparation method thereof
CN111575414A (en) * 2020-06-16 2020-08-25 遂昌润德皮饰有限公司 Tensile leather surface layer water treatment process
CN113930980A (en) * 2021-11-15 2022-01-14 昆山阿基里斯新材料科技有限公司 Antibacterial PVC leather and preparation method thereof

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CN100521943C (en) * 2006-11-20 2009-08-05 北京崇高纳米科技有限公司 Inorganic/organic nano composite antibacterial agent and its fabric product application
CN100467554C (en) * 2008-03-25 2009-03-11 中华制漆(深圳)有限公司 Coating composition with antimicrobial and air purification function
CN101302710A (en) * 2008-06-16 2008-11-12 中南大学 Inorganic coating anti-bacterial fiber and preparation thereof

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