CN115992465A - Preservative paper with ethylene absorption function and production method thereof - Google Patents
Preservative paper with ethylene absorption function and production method thereof Download PDFInfo
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- CN115992465A CN115992465A CN202310210671.XA CN202310210671A CN115992465A CN 115992465 A CN115992465 A CN 115992465A CN 202310210671 A CN202310210671 A CN 202310210671A CN 115992465 A CN115992465 A CN 115992465A
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- paper
- preservative
- production method
- absorption function
- ethylene absorption
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- 239000003755 preservative agent Substances 0.000 title claims abstract description 25
- 230000002335 preservative effect Effects 0.000 title claims abstract description 25
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000005977 Ethylene Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 14
- 239000000123 paper Substances 0.000 claims abstract description 74
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 8
- 238000004537 pulping Methods 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241000526900 Camellia oleifera Species 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 20
- 238000010981 drying operation Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 9
- KJPRLNWUNMBNBZ-QPJJXVBHSA-N (E)-cinnamaldehyde Chemical compound O=C\C=C\C1=CC=CC=C1 KJPRLNWUNMBNBZ-QPJJXVBHSA-N 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 244000062241 Kaempferia galanga Species 0.000 claims description 6
- 235000013421 Kaempferia galanga Nutrition 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229960000892 attapulgite Drugs 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 229940117916 cinnamic aldehyde Drugs 0.000 claims description 6
- KJPRLNWUNMBNBZ-UHFFFAOYSA-N cinnamic aldehyde Natural products O=CC=CC1=CC=CC=C1 KJPRLNWUNMBNBZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052625 palygorskite Inorganic materials 0.000 claims description 6
- 239000012286 potassium permanganate Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 2
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 244000082204 Phyllostachys viridis Species 0.000 abstract 1
- 239000011087 paperboard Substances 0.000 abstract 1
- 235000013399 edible fruits Nutrition 0.000 description 7
- 235000013311 vegetables Nutrition 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Paper (AREA)
Abstract
The invention discloses a preservative paper with ethylene absorption function and a production method thereof, wherein raw materials such as bamboo, camellia oleifera shells and the like are crushed and screened, and the screened powder is placed in an antibacterial solution for soaking; and (3) carrying out pulping operation on the soaked mixed liquid, injecting papermaking auxiliary agent into the pulp during the pulping operation, and then heating and stirring to obtain paper pulp, and carrying out papermaking on the paper pulp obtained in the step (II) by adopting a multi-cylinder machine, a fourdrinier or a wire-folding machine to make a plurality of paperboards. When the outer layer paper is bumped in the transportation process, the paper layer soaked by the antibacterial solution at the inner layer can firstly perform antibacterial operation, meanwhile, the preservative paper sprayed by the composite coating at the two times can effectively absorb a large amount of ethylene generated in the transportation process of fruits and vegetables, the fruits and vegetables are effectively prevented from being ripe quickly, meanwhile, the antibacterial solution is sprayed on the outer layer paper, the antibacterial effect of the preservative paper can be further improved, and the influence of overflowing liquid on nearby fruits and vegetables is avoided.
Description
Technical Field
The invention relates to the field of preservative paper, in particular to preservative paper with an ethylene absorption function and a production method thereof.
Background
The fresh-keeping paper is made up by using strong oxidant of chlorine dioxide as fresh-keeping agent, making it be adsorbed on the high-adsorption material of zeolite, etc. and using adhesive prepared from chlorine dioxide solution to adhere on the paper. The fresh-keeping agent is prepared by adopting strong oxidation, safety, no pollution and high volatile compounds, and has strong bactericidal power and good fresh-keeping effect. The preservative paper has low cost and strong applicability. Can be made into various products such as bags, boxes, etc.
Traditional preservative paper meets the problem that outside knocks into and leads to inside fruit vegetables to rot microorganism and breeds in keeping fresh the in-process, can't play good antibacterial operation, and inside liquid overflows also can influence the safety of nearby fruit vegetables, and fruit vegetables also can produce ethylene simultaneously during depositing, untimely handling can lead to inside fruit vegetables to accelerate ripen, influences subsequent transportation operation.
Based on the above, the invention designs the preservative paper with the function of absorbing ethylene and the production method thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide preservative paper with an ethylene absorption function and a production method thereof, so as to solve the problem of the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a preservative paper with ethylene absorption function and a production method thereof are characterized in that:
step one, pretreatment of paper raw materials: crushing and screening raw materials such as bamboo, camellia oleifera shells and the like, and placing the screened powder into an antibacterial solution for soaking;
step two, pulp preparation: pulping the soaked mixed liquid, injecting papermaking auxiliary agent into the mixed liquid during pulping operation, and then heating and stirring to obtain paper pulp;
step three, paper making operation: adopting a multi-cylinder paper machine, a fourdrinier or a wire-folding paper machine to make paper from the paper pulp obtained in the step two;
step four, spraying a composite coating: uniformly spraying the composite fresh-keeping paint on the surface of one piece of paper just read in the third step;
step five, drying operation: carrying out primary drying operation on the paper sprayed with the fresh-keeping paint in the fourth step;
step six, spraying a secondary composite coating: uniformly spraying the composite fresh-keeping paint on the surface of the paper just read in the step three again;
step seven, compound operation: attaching another piece of paper which is not subjected to subsequent operation in the third step to the surface of the paper subjected to the secondary composite coating spraying operation in the sixth step;
step eight, squeezing operation: the composite paper in the seventh step is pressed and pressed;
step nine, secondary drying operation: and (3) re-drying the composite paper pressed and pressed in the step eight, and spraying an antibacterial solution during drying.
As a further scheme of the invention, the raw materials such as bamboo, camellia oleifera shells and the like are crushed into 20-45 meshes by the crusher in the first step, wherein the soaking time is set to be 1.5-2h.
As a further scheme of the invention, the antibacterial solution for soaking in the second step and the antibacterial solution in the ninth step are prepared from glutaraldehyde components, wherein the papermaking auxiliary agent is one or a mixture of two of polyacrylamide (CPAM), hydroxyethyl cellulose and hydroxypropyl methyl cellulose in any proportion, wherein the beating degree is set to 55, and the pulp is prepared by heating and stirring for 15-25min at 75 ℃.
As a further scheme of the invention, the paper making operation in the third step is to heat and stir at 60 ℃ for 10min and then make paper.
As a further scheme of the invention, the composite coating in the fourth step is composed of white carbon black, attapulgite, KMnO4, cinnamaldehyde, galangal and electrolyzed acidic water, wherein the weight ratio of the white carbon black to the attapulgite to the KMnO4 to the cinnamaldehyde to the galangal to the electrolyzed acidic water is 1:0.25-0.75:0.005-0.005:0.00007-0.00015:0.02-0.08:1.0-3.0.
As a further scheme of the invention, the temperature of the preliminary drying operation in the step five is set to be 60-75 ℃, and the drying time is set to be 15-20min.
As a further scheme of the invention, the temperature of the secondary drying operation in the step nine is set to 75-90 ℃, and the drying time is set to 2.5-3.5h.
Compared with the prior art, the invention has the beneficial effects that:
(1) When the outer layer paper is bumped in the transportation process, the paper layer soaked by the antibacterial solution in the inner layer can firstly perform antibacterial operation, meanwhile, the preservative paper sprayed by the composite coating twice can effectively absorb a large amount of ethylene generated in the transportation process of fruits and vegetables, the fruits and vegetables are effectively prevented from being ripe quickly, meanwhile, the antibacterial solution is sprayed on the outer layer paper, the antibacterial effect of the preservative paper can be further improved, and the influence of overflowing liquid on the nearby fruits and vegetables is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a process flow diagram of a preservative paper having an ethylene absorbing function and a method for producing the same according to the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the present invention provides a preservative paper with ethylene absorption function and a production method thereof, which is characterized in that:
step one, pretreatment of paper raw materials: crushing and screening raw materials such as bamboo, camellia oleifera shells and the like, and placing the screened powder into an antibacterial solution for soaking;
step two, pulp preparation: pulping the soaked mixed liquid, injecting papermaking auxiliary agent into the mixed liquid during pulping operation, and then heating and stirring to obtain paper pulp;
step three, paper making operation: adopting a multi-cylinder paper machine, a fourdrinier or a wire-folding paper machine to make paper from the paper pulp obtained in the step two;
step four, spraying a composite coating: uniformly spraying the composite fresh-keeping paint on the surface of one piece of paper just read in the third step;
step five, drying operation: carrying out primary drying operation on the paper sprayed with the fresh-keeping paint in the fourth step;
step six, spraying a secondary composite coating: uniformly spraying the composite fresh-keeping paint on the surface of the paper just read in the step three again;
step seven, compound operation: attaching another piece of paper which is not subjected to subsequent operation in the third step to the surface of the paper subjected to the secondary composite coating spraying operation in the sixth step;
step eight, squeezing operation: the composite paper in the seventh step is pressed and pressed;
step nine, secondary drying operation: and (3) re-drying the composite paper pressed and pressed in the step eight, and spraying an antibacterial solution during drying.
According to the scheme, the raw materials such as bamboo, camellia oleifera shells and the like are crushed into 20-45 meshes by the crusher in the first step, and the soaking time is set to be 1.5-2 hours.
According to the scheme, the antibacterial solution for soaking in the second step and the antibacterial solution in the ninth step are prepared from glutaraldehyde components, wherein the papermaking auxiliary agent is one or a mixture of two of polyacrylamide (CPAM), hydroxyethyl cellulose and hydroxypropyl methyl cellulose in any proportion, wherein the beating degree is set to 55, and the pulp is prepared by heating and stirring for 15-25min at 75 ℃.
According to the scheme, the paper making operation in the third step is carried out after heating and stirring for 10min at 60 ℃.
According to the scheme provided by the invention, the composite coating in the fourth step is composed of white carbon black, attapulgite, KMnO4, cinnamaldehyde, galangal and electrolyzed acidic water, wherein the weight ratio of the white carbon black to the attapulgite to the KMnO4 to the cinnamaldehyde to the galangal to the electrolyzed acidic water is 1:0.25-0.75:0.005-0.005:0.00007-0.00015:0.02-0.08:1.0-3.0.
Through the scheme of the invention, the temperature of the preliminary drying operation in the step five is set to be 60-75 ℃, and the drying time is set to be 15-20min.
According to the scheme of the invention, the temperature of the secondary drying operation in the step nine is set to be 75-90 ℃, and the drying time is set to be 2.5-3.5 hours.
In practical application, when encountering outside and collide with in the transportation, the inner layer can carry out bacteriostasis operation at first through the paper layer that antibacterial solution soaked, and the preservative paper after the spraying operation of compound coating twice simultaneously can effectively absorb a large amount of ethylene that produces in the fruit vegetables transportation, effectively avoids fruit vegetables to ripen fast, and outer layer paper also spraying has antibacterial solution simultaneously, can further promote the antibacterial effect of preservative paper, avoids spilling over the influence of liquid to nearby fruit vegetables.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A preservative paper with ethylene absorption function and a production method thereof are characterized in that:
step one, pretreatment of paper raw materials: crushing and screening raw materials such as bamboo, camellia oleifera shells and the like, and placing the screened powder into an antibacterial solution for soaking;
step two, pulp preparation: pulping the soaked mixed liquid, injecting papermaking auxiliary agent into the mixed liquid during pulping operation, and then heating and stirring to obtain paper pulp;
step three, paper making operation: adopting a multi-cylinder paper machine, a fourdrinier or a wire-folding paper machine to make paper from the paper pulp obtained in the step two;
step four, spraying a composite coating: uniformly spraying the composite fresh-keeping paint on the surface of one piece of paper just read in the third step;
step five, drying operation: carrying out primary drying operation on the paper sprayed with the fresh-keeping paint in the fourth step;
step six, spraying a secondary composite coating: uniformly spraying the composite fresh-keeping paint on the surface of the paper just read in the step three again;
step seven, compound operation: attaching another piece of paper which is not subjected to subsequent operation in the third step to the surface of the paper subjected to the secondary composite coating spraying operation in the sixth step;
step eight, squeezing operation: the composite paper in the seventh step is pressed and pressed;
step nine, secondary drying operation: and (3) re-drying the composite paper pressed and pressed in the step eight, and spraying an antibacterial solution during drying.
2. The preservative paper with ethylene absorption function and the production method thereof according to claim 1, wherein the raw materials such as bamboo, camellia oleifera shells and the like are crushed into 20-45 meshes by a crusher in the first step, and the soaking time is set to be 1.5-2 hours.
3. The preservative paper with ethylene absorption function and the production method thereof according to claim 1, wherein the antibacterial solution for soaking in the second step and the antibacterial solution in the ninth step are both prepared from glutaraldehyde components, wherein the papermaking auxiliary agent is one or a mixture of two of polyacrylamide (CPAM), hydroxyethyl cellulose and hydroxypropyl methyl cellulose in any proportion, wherein the beating degree is set to 55, and the pulp is prepared by heating and stirring for 15-25min at 75 ℃.
4. The preservative paper with ethylene absorption function and the production method thereof according to claim 1, wherein the paper making operation in the third step is performed after heating and stirring for 10min at 60 ℃.
5. The preservative paper with ethylene absorption function and the production method thereof according to claim 1, wherein the composite coating in the fourth step is composed of white carbon black, attapulgite, KMnO4, cinnamaldehyde, galangal and electric acid water, wherein the weight ratio of the white carbon black to the attapulgite to the KMnO4 to the cinnamaldehyde to the galangal to the electric acid water is 1:0.25-0.75:0.005-0.005:0.00007-0.00015:0.02-0.08:1.0-3.0.
6. The preservative paper with ethylene absorption function and the production method thereof according to claim 1, wherein the temperature of the preliminary drying operation in the fifth step is set to 60-75 ℃, and the drying time is set to 15-20min.
7. The preservative paper with ethylene absorption function and the production method thereof according to claim 1, wherein the temperature of the secondary drying operation in the step nine is set to 75-90 ℃, and the drying time is set to 2.5-3.5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210671.XA CN115992465A (en) | 2023-03-07 | 2023-03-07 | Preservative paper with ethylene absorption function and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210671.XA CN115992465A (en) | 2023-03-07 | 2023-03-07 | Preservative paper with ethylene absorption function and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115992465A true CN115992465A (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310210671.XA Withdrawn CN115992465A (en) | 2023-03-07 | 2023-03-07 | Preservative paper with ethylene absorption function and production method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN115992465A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587210A (en) * | 2012-02-08 | 2012-07-18 | 福建师范大学 | Method for preparing paper making antibacterial agents by using oil-tea camellia shells as carriers |
| CN102702804A (en) * | 2012-05-18 | 2012-10-03 | 浙江科技学院 | Fruit compound fresh-keeping coating and preparation method thereof |
| CN106638156A (en) * | 2016-11-11 | 2017-05-10 | 福建师范大学 | Antibacterial fresh-keeping packaging paper and production method thereof |
| CN109457542A (en) * | 2018-10-27 | 2019-03-12 | 华南理工大学 | A kind of oil-tea camellia husks wrapping paper and preparation method thereof |
| CN111972492A (en) * | 2020-07-31 | 2020-11-24 | 贵州石阡佛顶山野生油茶油业有限公司 | Preservative for prolonging storage period of oil tea fruits and preparation method thereof |
-
2023
- 2023-03-07 CN CN202310210671.XA patent/CN115992465A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587210A (en) * | 2012-02-08 | 2012-07-18 | 福建师范大学 | Method for preparing paper making antibacterial agents by using oil-tea camellia shells as carriers |
| CN102702804A (en) * | 2012-05-18 | 2012-10-03 | 浙江科技学院 | Fruit compound fresh-keeping coating and preparation method thereof |
| CN106638156A (en) * | 2016-11-11 | 2017-05-10 | 福建师范大学 | Antibacterial fresh-keeping packaging paper and production method thereof |
| CN109457542A (en) * | 2018-10-27 | 2019-03-12 | 华南理工大学 | A kind of oil-tea camellia husks wrapping paper and preparation method thereof |
| CN111972492A (en) * | 2020-07-31 | 2020-11-24 | 贵州石阡佛顶山野生油茶油业有限公司 | Preservative for prolonging storage period of oil tea fruits and preparation method thereof |
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Application publication date: 20230421 |