CN107163622A - A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic - Google Patents
A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic Download PDFInfo
- Publication number
- CN107163622A CN107163622A CN201710502561.5A CN201710502561A CN107163622A CN 107163622 A CN107163622 A CN 107163622A CN 201710502561 A CN201710502561 A CN 201710502561A CN 107163622 A CN107163622 A CN 107163622A
- Authority
- CN
- China
- Prior art keywords
- calcium carbonate
- nano
- durable antibiotic
- inorganic modified
- modified nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
- C09C1/022—Treatment with inorganic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present invention provides a kind of inorganic modified nano-calcium carbonate of durable antibiotic, nano-calcium carbonate is modified using hydrotalcite material and atlapulgite, hydrotalcite has special layer structure, and atlapulgite has superpower adsorption capacity, the modified calcium carbonate of formation and unconventional clad structure, but more neat layer structure, it is difficult to reunite each other, and the special efficacy of nano material can be retained；Using magnalium hydrotalcite powder, aluminum-spinel structure is easily formed under the high temperature conditions, with extraordinary fire resistance；Add Nano Silver, the effect with durable antibiotic；Calcination stepses are added after final drying steps, are that, in order to reduce the absorption property of atlapulgite, during subsequent use, dispersion effect is more preferable.
Description
Technical field
The present invention relates to the system of technical field of nano material, more particularly to a kind of inorganic modified nano-calcium carbonate of durable antibiotic
Preparation Method.
Background technology
Nano-calcium carbonate is also known as super fine calcium carbonate.Nano-calcium carbonate is that plastics industry mainly should using most ripe industry
For high-grade plastic products.The rheological characteristic of plastic matrix can be improved, its mouldability is improved.Have as plastic filler toughened and reinforced
Effect, improve the bending strength and the modulus of elasticity in static bending of plastics, heat distortion temperature and dimensional stability, while also assigning plastics
It is stagnant hot.Nano-calcium carbonate is used to embody excellent dispersed and transparent and fabulous gloss and excellent in ink product
Different ink absorption and high drying property.Nano-calcium carbonate makees ink filler in resin type ink, good with stability, gloss
Degree is high, the advantages of drying property strong adaptabilities of printing-ink are not influenceed.
But nano-calcium carbonate particle diameter is small, specific surface energy is high, is difficult to be dispersed in without modified nano-calcium carbonate
In composite, effect of nano material is not played not only, on the contrary can product mechanical property.Traditional method of modifying is main
It is to use aliphatic acid or its salt, the patent for also having correlation discloses other method of modifying, but in these method of modifying all
Organic matter is employed, these organic matters can be affected under given conditions, so as to influence the performance of material, for example, prepared
During temperature it is too high, may result in organic carbon or even decomposition, therefore the invention provides a kind of purely inorganic modified Nano
The preparation method of calcium carbonate.
The content of the invention
The technical problem existed based on background technology, the invention provides a kind of inorganic modified nano-calcium carbonate of durable antibiotic
Preparation method.
Technical scheme is as follows：
A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic, comprises the following steps：
It is A, nano-calcium carbonate is soluble in water, carry out scattered at a high speed, obtain suspension；
B, addition hydrotalcite powder and Nano Silver in suspension, it is scattered at a high speed；
C, under high speed dispersion condition, be slowly added to atlapulgite, addition continues scattered 15-25min at a high speed after terminating；
D, by filter-press dehydration, drying, roasting, crushing, classification, obtain the inorganic modified nano-calcium carbonate of durable antibiotic.
It is preferred that, the high speed in described step A and B is disperseed, and speed is 800-2000rpm.
It is preferred that, in described step A, the particle diameter of nano-calcium carbonate is 10-100nm.
It is preferred that, in described step B, the particle diameter of hydrotalcite powder is 0.5-10 μm.
It is preferred that, in described step B, described hydrotalcite powder is magnalium hydrotalcite powder.
It is preferred that, in described step C, the particle diameter of atlapulgite is 50-100 μm.
It is preferred that, in described step D, the temperature control of roasting is at 320-400 DEG C.
It is preferred that, in the inorganic modified nano-calcium carbonate of described durable antibiotic, nano-calcium carbonate, magnalium hydrotalcite powder and work
The mass ratio of property carclazyte is：（60-120）：（5-10）：1；The addition of Nano Silver is the inorganic modified nano-calcium carbonate of durable antibiotic
The 0.01-0.05% of quality.
Hydrotalcite material belongs to anion type laminated compound.Lamellar compound refers to layer structure, interlayer ion
A class compound with interchangeability, the intercalation having using lamellar compound main body under highly polar molecular action
With the interchangeability of interlayer ion, some feature guest species are introduced into bedding void and strut laminate distance to be formed
Layer-pillared compound.Hydrotalcite-based compound (LDHs) is the novel inorganic functional material that a class has layer structure, LDHs's
Main layer board chemical composition and its laminate cationic characteristic, laminate charge density or anion exchange capacity, supermolecular intercalation knot
The factors such as structure are closely related.
Atlapulgite is to use clay（Mainly bentonite）For raw material, handled through inorganic acidifying or salt or other method, then
Rinsed through water, dry the adsorbent being made, outward appearance is off-white powder, and odorless is tasteless, and nontoxic, absorption property is very strong, can be adsorbed
Coloring matter, organic substance.The easy moisture absorption in atmosphere, placement can reduce absorption property too long.
Nano Silver is added jointly with hydrotalcite material in the present invention, Nano Silver can be covered in neatly by nano-calcium carbonate
Stone material surface, not only dispersion effect is good, and is difficult to lose activity, and durable antibiotic effect is good.
Compared with prior art, the beneficial effects of the present invention are：The inorganic modified nano-calcium carbonate of durable antibiotic of the present invention
Calcium, is modified using hydrotalcite material and atlapulgite to nano-calcium carbonate, and hydrotalcite has special layer structure, and lives
Property carclazyte has superpower adsorption capacity, the modified calcium carbonate of formation and a unconventional clad structure, but more neat layer
Shape structure, is difficult to reunite each other, and can retain the special efficacy of nano material；Using magnalium hydrotalcite powder, in high temperature
Under the conditions of easily formed aluminum-spinel structure, with extraordinary fire resistance；Add Nano Silver, the effect with durable antibiotic
Really；Calcination stepses are added after final drying steps, are in order to reduce the absorption property of atlapulgite, in subsequent use process
In, dispersion effect is more preferable.
Embodiment：
The preferred embodiments of the present invention are described in detail below, so that advantages and features of the invention can be easier to by ability
Field technique personnel understand, apparent are clearly defined so as to be made to protection scope of the present invention.
Embodiment 1
A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic, comprises the following steps：
It is A, nano-calcium carbonate is soluble in water, carry out scattered at a high speed, obtain suspension；
B, addition magnalium hydrotalcite powder and Nano Silver in suspension, it is scattered at a high speed；
C, under high speed dispersion condition, be slowly added to atlapulgite, addition continues scattered 20min at a high speed after terminating；
D, by filter-press dehydration, drying, roasting, crushing, classification, obtain the inorganic modified nano-calcium carbonate of durable antibiotic.
High speed in described step A and B is disperseed, and speed is 1500rpm.
In described step A, the particle diameter of nano-calcium carbonate is 10-100nm.
In described step B, the particle diameter of magnalium hydrotalcite powder is 0.5-10 μm.
In described step C, the particle diameter of atlapulgite is 50-100 μm.
In described step D, the temperature control of roasting is at 350 DEG C, and the time is 15min.
In the inorganic modified nano-calcium carbonate of described durable antibiotic, nano-calcium carbonate, magnalium hydrotalcite powder and atlapulgite
Mass ratio be：80：6：1；The addition of Nano Silver is the 0.03% of the inorganic modified nano-calcium carbonate quality of durable antibiotic.
Embodiment 2
A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic, comprises the following steps：
It is A, nano-calcium carbonate is soluble in water, carry out scattered at a high speed, obtain suspension；
B, addition magnalium hydrotalcite powder and Nano Silver in suspension, it is scattered at a high speed；
C, under high speed dispersion condition, be slowly added to atlapulgite, addition continues scattered 15-25min at a high speed after terminating；
D, by filter-press dehydration, drying, roasting, crushing, classification, obtain the inorganic modified nano-calcium carbonate of durable antibiotic.
High speed in described step A and B is disperseed, and speed is 2000rpm.
In described step A, the particle diameter of nano-calcium carbonate is 10-100nm.
In described step B, the particle diameter of magnalium hydrotalcite powder is 0.5-10 μm.
In described step C, the particle diameter of atlapulgite is 50-100 μm.
In described step D, the temperature control of roasting is at 400 DEG C, and the time is 10min.
In the inorganic modified nano-calcium carbonate of described durable antibiotic, nano-calcium carbonate, magnalium hydrotalcite powder and atlapulgite
Mass ratio be：120：5：1；The addition of Nano Silver is the 0.05% of the inorganic modified nano-calcium carbonate quality of durable antibiotic.
Embodiment 3
A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic, comprises the following steps：
It is A, nano-calcium carbonate is soluble in water, carry out scattered at a high speed, obtain suspension；
B, addition magnalium hydrotalcite powder and Nano Silver in suspension, it is scattered at a high speed；
C, under high speed dispersion condition, be slowly added to atlapulgite, addition continues scattered 15-25min at a high speed after terminating；
D, by filter-press dehydration, drying, roasting, crushing, classification, obtain the inorganic modified nano-calcium carbonate of durable antibiotic.
High speed in described step A and B is disperseed, and speed is respectively 800 and 1200rpm.
In described step A, the particle diameter of nano-calcium carbonate is 10-100nm.
In described step B, the particle diameter of magnalium hydrotalcite powder is 0.5-10 μm.
In described step C, the particle diameter of atlapulgite is 50-100 μm.
In described step D, the temperature control of roasting is calcined 25min at 320 DEG C.
In the inorganic modified nano-calcium carbonate of described durable antibiotic, nano-calcium carbonate, magnalium hydrotalcite powder and atlapulgite
Mass ratio be：60：10：1；The addition of Nano Silver is the 0.01% of the inorganic modified nano-calcium carbonate quality of durable antibiotic.
Comparative example 1
Calcination stepses in embodiment 1 are removed, remaining preparation condition is constant.
After testing, the inorganic modified nano-calcium carbonate of embodiment 1-3 durable antibiotic is dispersed in 10 times of water, and soilless sticking is existing
As；And the inorganic modified nano-calcium carbonate of durable antibiotic of comparative example 1 is dispersed in 10 times of water, it may appear that a small amount of precipitation, precipitation
Amount is about the 6-10% of total amount.
The inorganic modified nano-calcium carbonate of 1-3 of embodiment of the present invention durable antibiotic is dispersed in 10 times of water, opening is protected
It is stored in after room temperature next year, tests the bacteriostasis property of solution, finds to staphylococcus aureus, Candida albicans and Escherichia coli
Bacteriostasis rate can reach more than 99%, the inorganic modified nano-calcium carbonate of durable antibiotic of the invention has lasting fungistatic effect.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic, it is characterised in that comprise the following steps：
It is A, nano-calcium carbonate is soluble in water, carry out scattered at a high speed, obtain suspension；
B, addition hydrotalcite powder and Nano Silver in suspension, it is scattered at a high speed；
C, under high speed dispersion condition, be slowly added to atlapulgite, addition continues scattered 15-25min at a high speed after terminating；
D, by filter-press dehydration, drying, roasting, crushing, classification, obtain the inorganic modified nano-calcium carbonate of durable antibiotic.
2. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
High speed in step A and B is disperseed, and speed is 800-2000rpm.
3. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
In step A, the particle diameter of nano-calcium carbonate is 10-100nm.
4. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
In step B, the particle diameter of hydrotalcite powder is 0.5-10 μm.
5. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
In step B, described hydrotalcite powder is magnalium hydrotalcite powder.
6. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
In step C, the particle diameter of atlapulgite is 50-100 μm.
7. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
In step D, the temperature control of roasting is at 320-400 DEG C.
8. the preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic as claimed in claim 1, it is characterised in that described
In the inorganic modified nano-calcium carbonate of durable antibiotic, the mass ratio of nano-calcium carbonate, magnalium hydrotalcite powder and atlapulgite is：（60-
120）：（5-10）：1；The addition of Nano Silver is the 0.01-0.05% of the inorganic modified nano-calcium carbonate quality of durable antibiotic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502561.5A CN107163622A (en) | 2017-06-27 | 2017-06-27 | A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502561.5A CN107163622A (en) | 2017-06-27 | 2017-06-27 | A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107163622A true CN107163622A (en) | 2017-09-15 |
Family
ID=59826345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710502561.5A Pending CN107163622A (en) | 2017-06-27 | 2017-06-27 | A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107163622A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778556A (en) * | 2019-02-13 | 2019-05-21 | 常州崇高纳米材料有限公司 | A kind of antibacterial and mouldproof waterborne polyurethane synthetic leather and preparation method thereof |
| CN111690271A (en) * | 2020-06-12 | 2020-09-22 | 广西夏阳环保科技有限公司 | Preparation method of antibacterial high-dispersion talcum powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700213A (en) * | 2012-06-07 | 2012-10-03 | 安徽天和包装材料有限公司 | Calcium plastic corrugated board and production method thereof |
| CN106433221A (en) * | 2016-08-22 | 2017-02-22 | 江西广源化工有限责任公司 | Monolayer silicate modified superfine ground calcium carbonate and preparation method thereof |
| CN106519775A (en) * | 2016-09-29 | 2017-03-22 | 贺州钟山县双文碳酸钙新材料有限公司 | Modified calcium carbonate for coating |
| CN106633364A (en) * | 2015-10-28 | 2017-05-10 | 中国石油化工股份有限公司 | Antibacterial polypropylene and a preparing method thereof |
-
2017
- 2017-06-27 CN CN201710502561.5A patent/CN107163622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700213A (en) * | 2012-06-07 | 2012-10-03 | 安徽天和包装材料有限公司 | Calcium plastic corrugated board and production method thereof |
| CN106633364A (en) * | 2015-10-28 | 2017-05-10 | 中国石油化工股份有限公司 | Antibacterial polypropylene and a preparing method thereof |
| CN106433221A (en) * | 2016-08-22 | 2017-02-22 | 江西广源化工有限责任公司 | Monolayer silicate modified superfine ground calcium carbonate and preparation method thereof |
| CN106519775A (en) * | 2016-09-29 | 2017-03-22 | 贺州钟山县双文碳酸钙新材料有限公司 | Modified calcium carbonate for coating |
Non-Patent Citations (7)
| Title |
|---|
| 包永忠 等: ""纳米水滑石和纳米碳酸钙复合改性聚氯乙烯的性能"", 《第6届全国PVC塑料与树脂技术年会论文专辑》 * |
| 宋小平 等: "《石油工业用添加剂生产与应用技术》", 31 March 2014, 北京：中国石化出版社 * |
| 张昭 等: "《无机精细化工工艺学》", 30 June 2002, 北京：化学工业出版社 * |
| 李路海: "《印刷包装功能材料》", 31 January 2013, 北京：中国轻工业出版社 * |
| 王训遒 等: ""纳米CaC03表面改性方法综述"", 《IM&P化工矿物与加工》 * |
| 郑德: "《稳定剂》", 30 June 2011, 北京：国防工业出版社 * |
| 郑永林 等: "《粉体表面改性（第三版）》", 30 September 2011, 北京：中国建材工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778556A (en) * | 2019-02-13 | 2019-05-21 | 常州崇高纳米材料有限公司 | A kind of antibacterial and mouldproof waterborne polyurethane synthetic leather and preparation method thereof |
| CN111690271A (en) * | 2020-06-12 | 2020-09-22 | 广西夏阳环保科技有限公司 | Preparation method of antibacterial high-dispersion talcum powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Makwana et al. | Characterization of Agar-CMC/Ag-MMT nanocomposite and evaluation of antibacterial and mechanical properties for packaging applications | |
| CN107312315B (en) | A kind of lignin/silver complex antimicrobials and its preparation method and application | |
| CN107326470B (en) | A kind of processing method of the lasting modified polyester fiber of antibacterial | |
| Smaoui et al. | Zinc oxide nanoparticles in meat packaging: A systematic review of recent literature | |
| CN100451060C (en) | Chitosan/rectorite nano composite materials and method for preparing the same | |
| US12077702B2 (en) | Biodegradable coating composition for mulching paper and mulching paper | |
| EP2192146B1 (en) | A process for producing porous polymer masterbatch and fiber thereof having anti-bacterial and odor eliminating functions | |
| EP1932429B1 (en) | Food casing based on cellulose hydrate with nanoparticles | |
| Bazant et al. | Wood flour modified by hierarchical Ag/ZnO as potential filler for wood–plastic composites with enhanced surface antibacterial performance | |
| CN100491450C (en) | Chitosan quaternary ammonium salt/organic rectorite composite material and its preparing method | |
| Mondal et al. | Investigation on Sodium Benzoate Release from Poly (Butylene Adipate‐Co‐Terephthalate)/Organoclay/Sodium Benzoate Based Nanocomposite Film and Their Antimicrobial Activity | |
| CN101817939A (en) | Venting, self-cleaning and degradable environmental-friendly preservative film and preparation method thereof | |
| Giannakas et al. | Montmorillonite composite materials and food packaging | |
| CN107163622A (en) | A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic | |
| US8815307B2 (en) | Process for producing porous polymer masterbatch and fiber thereof having anti-bacterial and odor eliminating functions | |
| CN107603294B (en) | A kind of shell magma coating and preparation method thereof that can remove formaldehyde | |
| CN112442222A (en) | Plastic packaging material with antibacterial and fresh-keeping functions and preparation method thereof | |
| CN110591454A (en) | Indoor antibacterial coating for high-humidity environment | |
| KR20130040047A (en) | Fertillizer composition comprising silicic acid, chitosan and humic acid, and manufacturing method thereof | |
| Sun et al. | Cellulose-based Antimicrobial Composites and Applications: A Brief Review | |
| CN107118591A (en) | A kind of preparation method of inorganic modified nano-calcium carbonate | |
| CN1883279A (en) | A lychee and longan fresh-keeping agent with nano-chitosan as main ingredient and method for preparing same | |
| CN114318948B (en) | Antibacterial impregnated paper and preparation method and application thereof | |
| CN111719339B (en) | Food antibacterial packaging paper with adjustable and controllable wettability and preparation method thereof | |
| CN108587018A (en) | A kind of special polyvinyl alcohol preservative film of strawberry packaging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |