CN104312726B - A kind of preparation method of the essence microcapsule antibacterial for leather - Google Patents
A kind of preparation method of the essence microcapsule antibacterial for leather Download PDFInfo
- Publication number
- CN104312726B CN104312726B CN201410580132.6A CN201410580132A CN104312726B CN 104312726 B CN104312726 B CN 104312726B CN 201410580132 A CN201410580132 A CN 201410580132A CN 104312726 B CN104312726 B CN 104312726B
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- China
- Prior art keywords
- leather
- microcapsule
- essence
- essence microcapsule
- compound
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Links
- 239000010985 leather Substances 0.000 title claims abstract description 58
- 239000003094 microcapsule Substances 0.000 title claims abstract description 40
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 241000220317 Rosa Species 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 238000010025 steaming Methods 0.000 claims description 5
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 239000000341 volatile oil Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/04—Mineral tanning
- C14C3/06—Mineral tanning using chromium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses the preparation method of a kind of essence microcapsule antibacterial for leather, take following steps: A) take the essence of 30 parts and 0.06 0.6 parts of polyvinylpyrrolidones by mass fraction, stirring obtains compound；B) adding the gumwater that mass concentration is 1.2% 1.6% in compound, emulsifying uniformly obtains emulsion；C) add the lactoalbumin soln that mass concentration is 1.2% 1.6%, stir under room temperature, obtain mixed liquor；D) pH value of mixed liquor regulates after 3.0 4.0, and stirring embedding obtains essence microcapsule；E) retanning during microcapsule joins leather sample；F) by through step E) leather sample that processes is placed on evacuation in the close drying case of vacuum drier, and make drying baker internal gas pressure drop to below normal atmosphere, complete and essence microcapsule is filled in leather.Essence microcapsule is applied in leatherware by the present invention, and the mycete on leather, antibacterial etc. are had obvious inhibitory action.
Description
Technical field
The invention belongs to leather production field, particularly relate to the preparation method of a kind of essence microcapsule suppressing mycete antibacterial in leather.
Background technology
It is a kind of that leather belongs to natural organic high-molecular, and itself is just containing abundant collagen matter and fat.Additionally, the oils and fats used in the course of processing of leather, saccharide, the composition such as inorganic salt, these all become the good nutrition source of fungus growth.So, during use after leather, loss along with oils and fats, on the one hand, leather occurs aging stiff phenomenon, on the other hand, leatherware easily produces mildew, the serious outward appearance that must have impact on leatherware and serviceability, in addition, for the leatherware of some contact human body skins, mildew also has damaging effect to human body.At present about the bacteria mildew-proof agent of leather, mainly in the production process such as tanning stuffing of leather.But along with leatherware uses for a long time, antibacterial and mouldproof effect fades away.And the existing antibacterial for leather finish, for some aging leatherware, although can there be certain antibacterial effect, but it can not be made to recover original feel, color and luster and other performances.
Summary of the invention
In order to solve the present situation of above-mentioned prior art, the present invention provides the preparation method of a kind of essence microcapsule antibacterial for leather, makes essence microcapsule be filled in leather, reaches the effect of long-term suppression mycete antibacterial.
Adopt the following technical scheme that for this: the preparation method of a kind of essence microcapsule antibacterial for leather, it is characterised in that take following steps:
A) take essence and 0.06-0.6 part polyvinylpyrrolidone of 30 parts by mass fraction, be at room temperature sufficiently stirred for making it mix, obtain compound；
B) to step A while stirring) compound in add mass concentration be the gumwater of 1.2%-1.6%, emulsifying uniformly obtains emulsion, and described compound is 30:(54-66 with the mass ratio of the gumwater of addition)；
C) to step B) to add mass concentration in the emulsion of gained be to stir under the lactoalbumin soln of 1.2%-1.6%, room temperature, obtains mixed liquor, described emulsion is 70:(25-35 with the lactoalbumin soln volume ratio of addition)；
D) under conditions of temperature is 25-45 DEG C, by step C) the pH value regulation of the mixed liquor prepared to after 3.0-4.0, stirring embedding 4-7h, obtain essence microcapsule；
E) pH value be 3.0-4.0, under conditions of temperature is 25-45 DEG C, by step D) in the microcapsule for preparing join in the leather sample of 12cm*12cm, retanning is carried out by leaching chrome tanning method with chrome tanning agent in steaming device, in microcapsule shell through a passage, keeping temperature to be 100-120 DEG C, the vapours of humidity 50%～80% penetrates in leather and makes leather the wettest；
F) by through step E) leather sample that processes is placed on evacuation in the close drying case of vacuum drier, and make drying baker internal gas pressure drop to below normal atmosphere, complete and essence microcapsule is filled in leather.
Further, step A) described in essence be rose scent beta-schardinger dextrin-essence.
In preparation process, step E is in microcapsule shell through a passage, and vapours can penetrate in leather and make leather the wettest, by humidity, temperature passes to rapidly unexpanded microcapsule, microcapsule shell is caused to soften so that microcapsule expands immediately and defines bigger microsphere.Through F) leather rapid draing can be made, essence microcapsule is filled in leather and reaches fungistatic effect.
The present invention compared with prior art, has the advantage that: 1) mycete on leather, antibacterial etc. are had obvious inhibitory action, efficiently, environmental protection, health；2) to have consumption few for fragrant microcapsule, lasting fragrance, can cover leather abnormal flavour, improves leather class；3) leather is a three-dimensional porous type carrier, compared with other materials, it is easier to absorb chemical materials, the intensity of absorption also can be higher, after essential oil is prepared as the powder of microcapsule " plan solid ", essence microcapsule can stably be present in the space net structure of leather, plays a role stably and lastingly, do not affect the outward appearance of leather, it is achieved becoming more meticulous of leather products；4) the distinctive fragrance of essential oil can not only cover up the abnormal flavour of leather, also has effect of many health cares.
Detailed description of the invention
It is described further below in conjunction with implementing the present invention:
Embodiment 1: take following steps:
A) take the rose scent beta-schardinger dextrin-essence of 30 parts and 0.06 part of polyvinylpyrrolidone by mass fraction, be at room temperature sufficiently stirred for making it mix, obtain compound；
B) to step A while stirring) compound in add mass concentration be the gumwater of 1.2%, emulsifying uniformly obtains emulsion, and described compound is 30:54 with the mass ratio of the gumwater of addition；
C) to step B) to add mass concentration in the emulsion of gained be to stir under the lactoalbumin soln of 1.2%, room temperature, obtains mixed liquor, described emulsion is 70:25 with the lactoalbumin soln volume ratio of addition；
D) under conditions of temperature is 25 DEG C, by step C) the pH value regulation of the mixed liquor prepared to after 3.0, stirring embedding 4h, obtain essence microcapsule；
E) pH value be 3.0, under conditions of temperature is 25 DEG C, by step D) in the microcapsule for preparing join in the leather sample of 12cm*12cm, retanning is carried out by leaching chrome tanning method with chrome tanning agent in steaming device, in microcapsule shell through a passage, keeping temperature is 100 DEG C, and the vapours of humidity 50% penetrates in leather and makes leather the wettest；
F) by through step E) leather sample that processes is placed on evacuation in the close drying case of vacuum drier, and make drying baker internal gas pressure drop to below normal atmosphere, complete and essence microcapsule is filled in leather.
Embodiment 2: take following steps:
A) take the rose scent beta-schardinger dextrin-essence of 30 parts and 0.3 part of polyvinylpyrrolidone by mass fraction, be at room temperature sufficiently stirred for making it mix, obtain compound；
B) to step A while stirring) compound in add mass concentration be the gumwater of 1.4%, emulsifying uniformly obtains emulsion, and described compound is 30:60 with the mass ratio of the gumwater of addition；
C) to step B) to add mass concentration in the emulsion of gained be to stir under the lactoalbumin soln of 1.4%, room temperature, obtains mixed liquor, described emulsion is 70:30 with the lactoalbumin soln volume ratio of addition；
D) under conditions of temperature is 35 DEG C, by step C) the pH value regulation of the mixed liquor prepared to after 3.5, stirring embedding 5h, obtain essence microcapsule；
E) pH value be 3.5, under conditions of temperature is 35 DEG C, by step D) in the microcapsule for preparing join in the leather sample of 12cm*12cm, retanning is carried out by leaching chrome tanning method with chrome tanning agent in steaming device, in microcapsule shell through a passage, keeping temperature is 110 DEG C, and the vapours of humidity 65% penetrates in leather and makes leather the wettest；
F) by through step E) leather sample that processes is placed on evacuation in the close drying case of vacuum drier, and make drying baker internal gas pressure drop to below normal atmosphere, complete and essence microcapsule is filled in leather.
Embodiment 3 takes following steps:
A) take the rose scent beta-schardinger dextrin-essence of 30 parts and 0.6 part of polyvinylpyrrolidone by mass fraction, be at room temperature sufficiently stirred for making it mix, obtain compound；
B) to step A while stirring) compound in add mass concentration be the gumwater of 1.6%, emulsifying uniformly obtains emulsion, and described compound is 30:66 with the mass ratio of the gumwater of addition；
C) to step B) to add mass concentration in the emulsion of gained be to stir under the lactoalbumin soln of 1.6%, room temperature, obtains mixed liquor, described emulsion is 70:35 with the lactoalbumin soln volume ratio of addition；
D) under conditions of temperature is 45 DEG C, by step C) the pH value regulation of the mixed liquor prepared to after 4.0, stirring embedding 7h, obtain essence microcapsule；
E) pH value be 4.0, under conditions of temperature is 45 DEG C, by step D) in the microcapsule for preparing join in the leather sample of 12cm*12cm, retanning is carried out by leaching chrome tanning method with chrome tanning agent in steaming device, in microcapsule shell through a passage, keeping temperature is 120 DEG C, and the vapours of humidity 80% penetrates in leather and makes leather the wettest；
F) by through step E) leather sample that processes is placed on evacuation in the close drying case of vacuum drier, and make drying baker internal gas pressure drop to below normal atmosphere, complete and essence microcapsule is filled in leather.
In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.
Claims (1)
1. one kind will be used for the antibacterial essence microcapsule of leather and fill the method to leather, it is characterised in that take following steps:
A) take rose scent beta-schardinger dextrin-essence and 0.06-0.6 part polyvinylpyrrolidone of 30 parts by mass fraction, be at room temperature sufficiently stirred for making it mix, obtain compound；
B) to step A while stirring) compound in add mass concentration be the gumwater of 1.2%-1.6%, emulsifying uniformly obtains emulsion, and described compound is 30:(54-66 with the mass ratio of the gumwater of addition)；
C) to step B) to add mass concentration in the emulsion of gained be the lactoalbumin soln of 1.2%-1.6%, stir under room temperature, obtaining mixed liquor, described emulsion is 70:(25-35 with the lactoalbumin soln volume ratio of addition)；
D) under conditions of temperature is 25-45 DEG C, by step C) the pH value regulation of the mixed liquor prepared to after 3.0-4.0, stirring embedding 4-7h, obtain essence microcapsule；
E) pH value be 3.0-4.0, under conditions of temperature is 25-45 DEG C, by step D) in the microcapsule for preparing join in the leather sample of 12cm*12cm, retanning is carried out by leaching chrome tanning method with chrome tanning agent in steaming device, in microcapsule shell through a passage, keeping temperature to be 100-120 DEG C, the vapours of humidity 50%～80% penetrates in leather and makes leather the wettest；
F) by through step E) leather sample that processes is placed on evacuation in the close drying case of vacuum drier, and make drying baker internal gas pressure drop to below normal atmosphere, complete and essence microcapsule is filled in leather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580132.6A CN104312726B (en) | 2014-10-27 | 2014-10-27 | A kind of preparation method of the essence microcapsule antibacterial for leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580132.6A CN104312726B (en) | 2014-10-27 | 2014-10-27 | A kind of preparation method of the essence microcapsule antibacterial for leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104312726A CN104312726A (en) | 2015-01-28 |
| CN104312726B true CN104312726B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410580132.6A Expired - Fee Related CN104312726B (en) | 2014-10-27 | 2014-10-27 | A kind of preparation method of the essence microcapsule antibacterial for leather |
Country Status (1)
| Country | Link |
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| CN (1) | CN104312726B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113235A (en) * | 2015-09-06 | 2015-12-02 | 上海应用技术学院 | Slow-release aromatic for leather and preparation method of slow-release aromatic |
| CN107033380A (en) * | 2017-04-20 | 2017-08-11 | 浙江理工大学 | A kind of method that use essence microcapsule prepares fragrance film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57135873A (en) * | 1981-02-14 | 1982-08-21 | Semedain Kk | Application of thermally expansive paint and substrate using same |
| TW201242622A (en) * | 2011-04-20 | 2012-11-01 | Lien Shun Yang Leather Co Ltd | Manufacturing method of fragrant and antibacterial functional leather and product thereof |
| CN103752236A (en) * | 2014-01-09 | 2014-04-30 | 陕西科技大学 | Preparation method of double-layer wrapped essence micro-capsule |
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- 2014-10-27 CN CN201410580132.6A patent/CN104312726B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104312726A (en) | 2015-01-28 |
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Granted publication date: 20160914 |