CN111041895A - Fragrance-retaining packaging paper beneficial to plant aging and preparation method and application thereof - Google Patents
Fragrance-retaining packaging paper beneficial to plant aging and preparation method and application thereof Download PDFInfo
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- CN111041895A CN111041895A CN202010012102.0A CN202010012102A CN111041895A CN 111041895 A CN111041895 A CN 111041895A CN 202010012102 A CN202010012102 A CN 202010012102A CN 111041895 A CN111041895 A CN 111041895A
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- Prior art keywords
- layer
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- tea
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/42—Applications of coated or impregnated materials
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a fragrance-retaining packaging paper beneficial to plant aging, which comprises a raw paper layer, wherein a barrier layer and a fragrance-retaining functional layer are sequentially arranged on the lower surface of the raw paper layer from inside to outside. The aroma-keeping packaging paper can be applied to the fields including but not limited to tea packaging, and can also be used for packaging fruits, vegetables or traditional Chinese medicines and the like; when the aroma-keeping packaging paper is used for packaging tea, detection is carried out after one week, and compared with the tea packaged in the prior art, the beneficial ingredients in the extract of the tea packaged in the invention are obviously increased, so that the aroma-keeping packaging paper disclosed by the invention is more beneficial to natural aging of contents, and plays a role in improving the taste quality.
Description
Technical Field
The invention relates to the technical field of packaging, in particular to a fragrance-retaining packaging paper beneficial to plant aging and a preparation method and application thereof.
Background
The packing paper is a kind of paper used for packing purposes, and has the functions of beautifying and protecting commodities, and some of the packing paper also has the characteristics of moisture resistance, oil resistance, mildew resistance and the like.
After the packaging paper enters the market, the quality of food is influenced because the food is easy to deteriorate in the packaging, storage and circulation processes, and the key point for changing the phenomenon is to control the water content, microorganisms, environmental conditions and the like, so that the packaging paper which is beneficial to plant aging and aroma preservation is developed through reasonable design and unique technology, the quality of a packaged object in the transportation and storage processes can be guaranteed to the maximum extent, the quality of the packaged object can be kept to be developed towards a good direction after the packaging paper is packaged and before the packaging paper is used, and the packaging paper has a wide application prospect.
Disclosure of Invention
Based on the problems, the invention aims to overcome the defects of the prior art and provide the aroma-retention packaging paper beneficial to plant aging, which can ensure the quality of a packaged object in the transportation and storage processes to the maximum extent, can keep the quality of the packaged object developing towards a good direction after packaging and before use, and has wide application prospect.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a be favorable to fragrant wrapping paper of plant ageing, includes raw paper layer, raw paper layer's lower surface has set gradually barrier layer and a fragrant functional layer of keeping from inside to outside.
Preferably, the raw paper layer is 6-250g of raw paper.
Preferably, the barrier layer is made of a polymer material.
Preferably, the polymer material is a hot-melt type or water-soluble polymer material, and the temperature of the hot-melt type polymer material is 100-240 ℃.
Preferably, the fragrance-retaining functional layer is made of inorganic powder or organic powder materials, and the monomer particle size of the powder is preferably 0.1-150 micrometers.
Preferably, the specific surface area of the fragrance-retaining functional layer is 30-2000 m2/g。
Preferably, the upper surface of the raw paper layer is provided with a printing layer.
As another aspect of the invention, the invention also provides a preparation method of the aroma-retention packaging paper beneficial to plant aging, which comprises the following steps:
1) coating a barrier layer on the surface of the raw paper layer by adopting a hot-melt slit coating or conventional coating mode, wherein the coating working temperature of the barrier layer is 100-240 ℃, and the coating amount of the barrier layer is 0.5g/m2～18g/m2；
Wherein, other coating modes can be adopted besides the hot-melt slit coating or the conventional coating mode in the step 1);
2) coating a fragrance-retaining functional layer on the surface of the barrier layer in a roller coating or spraying manner, wherein the dry coating amount of the fragrance-retaining functional layer is 0.5g/m2～5g/m2The curing temperature of the fragrance-retaining functional layer is 60-150 ℃; wherein, in the step 2), other coating modes can be adopted besides the roller coating or spraying mode;
3) forming a printing layer on the upper surface of the raw paper layer by adopting a printing mode, wherein the dry coating amount of the printing layer is 0.5g/m2～5g/m2And the curing temperature of the printing layer is 60-150 ℃, so that the printing layer is obtained.
Preferably, the printing is gravure printing.
As another aspect of the invention, the invention provides the application of the aroma-maintaining wrapping paper in fruit, vegetable, tea or traditional Chinese medicine packaging.
Preferably, the tea is Pu' er tea. The applicant previously filed some cigarette lining papers with similar structures to the present invention and used in the cigarette industry, and the inventor of the present application has surprisingly found that the aroma-retention packing paper of the present invention used for packing tea leaves has significant effects on tea leaf aging and aroma retention.
In conclusion, the beneficial effects of the invention are as follows:
the aroma-keeping packaging paper can be applied to the fields including but not limited to tea packaging, and can also be used for packaging fruits, vegetables or traditional Chinese medicines and the like; when the aroma-keeping packaging paper is used for packaging tea, detection is carried out after one week, and compared with the tea packaged in the prior art, the beneficial ingredients in the extract of the tea packaged in the invention are obviously increased, so that the aroma-keeping packaging paper disclosed by the invention is more beneficial to natural aging of contents, and plays a role in improving the taste quality.
Drawings
Figure 1 is a structural schematic diagram of the aroma-keeping wrapping paper,
figure 2 is another structural schematic diagram of the aroma-maintaining wrapping paper,
the paper comprises a printing layer 1, a printing layer 2, a raw paper layer 3, a barrier layer 4 and a fragrance-keeping functional layer.
Detailed Description
The invention provides a fragrance-retaining packaging paper beneficial to plant aging, which solves the problems of plant aging and fragrance retention of a packaged product through the process combination of a barrier layer and a fragrance-retaining functional layer, thereby playing a role in improving the taste quality.
In some embodiments, the invention provides a fragrance-retaining packaging paper beneficial to plant aging, which comprises a raw paper layer, a barrier layer and a fragrance-retaining functional layer, wherein the raw paper layer is 6-250g of raw paper; the barrier layer is made of high molecular material, and the hot melting temperature is 100-240 ℃; the coating temperature is controlled between 100 ℃ and 240 ℃, and the coating amount is controlled to be 0.5g/m2To 5g/m2；
In some embodiments, the present invention uses a barrier layer to seal the paper fibers of the raw paper layer to prevent the exchange of moisture with the contents when environmental factors change; thus, the aroma-maintaining wrapping paper of the present invention provides a microbial growth platform which is beneficial to the contents themselves and can prevent the growth of harmful bacteria.
In some embodiments, the aroma-retaining functional layer is made of conventional inorganic powder or organic powder material, and the monomer particle size is 0.1-150 μm, and the specific surface area is 30-2000 m2(ii) in terms of/g. Therefore, the main function of the aroma-retention function layer is to ensure that the natural aging of contents is carried out while the original aroma of the packaging platform is ensured, and the aroma-retention packaging paper is further suitable for the production and propagation of various dominant bacteria microorganisms.
The invention also provides application of the aroma-maintaining packaging paper in tea packaging. The applicant previously applies for some cigarette lining paper with a structure similar to that of the invention to be used in the cigarette industry, and the cigarette lining paper is not packaged as tea leaves in the prior art, and the applicant of the invention finds that the aroma-retention packaging paper is used for packaging tea leaves, and has obvious effects of aging and retaining aroma of the tea leaves; however, the wrapping paper of the present application is not limited to wrapping tea leaves, and may be used to wrap fruits, vegetables, herbs, and the like.
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments. Unless otherwise specified, the experimental methods of the present invention are all conventional in the art.
Example 1
As shown in fig. 2, an embodiment of the aroma-maintaining wrapping paper for plant aging of the present invention comprises a raw paper layer 2, and a barrier layer 3 and an aroma-maintaining functional layer 4 are sequentially disposed on a lower surface of the raw paper layer 2 from inside to outside.
Wherein, the raw paper layer 2 adopts 6g of raw paper. The barrier layer 3 is made of high polymer material, and the hot melting temperature of the high polymer material is 240 ℃. The fragrance-keeping functional layer 4 is made of inorganic powder materials, and the average particle size of the powder monomer is 0.1 micron. The specific surface area of the fragrance-retaining functional layer 4 is 1200m2/g。
The preparation method of the aroma-maintaining packaging paper beneficial to plant aging comprises the following steps:
1) coating a barrier layer on the surface of the raw paper layer by adopting a conventional coating mode, wherein the coating working temperature of the barrier layer is 100 ℃, and the coating weight of the barrier layer is 18g/m2；
2) Coating a fragrance-retaining functional layer on the surface of the barrier layer in a roller coating mode, wherein the dry coating amount of the fragrance-retaining functional layer is 3g/m2And the curing temperature of the fragrance-retaining functional layer is 95 ℃ to obtain the fragrance-retaining functional layer.
Example 2
As shown in fig. 1, an embodiment of the aroma-maintaining wrapping paper for plant aging of the present invention comprises a raw paper layer 2, a printing layer 1 is disposed on the upper surface of the raw paper layer 2, and a barrier layer 3 and an aroma-maintaining functional layer 4 are sequentially disposed on the lower surface of the raw paper layer 2 from inside to outside.
Wherein, 105g of base paper is adopted as the base paper layer 2. The barrier layer 3 is made of a high polymer material, and the hot melting temperature of the high polymer material is 175 ℃. The fragrance-keeping functional layer 4 is made of organic powder materials, and the average particle size of the monomer of the powder is 63 microns. The specific surface area of the fragrance-retaining functional layer 4 is 30m2/g。
The preparation method of the aroma-maintaining packaging paper beneficial to plant aging comprises the following steps:
1) coating a barrier layer on the surface of the raw paper layer by adopting a hot-melt slit coating mode, wherein the coating working temperature of the barrier layer is 180 ℃, and the coating amount of the barrier layer is 0.5g/m2；
2) Coating a fragrance-retaining functional layer on the surface of the barrier layer in a spraying manner, wherein the dry coating amount of the fragrance-retaining functional layer is 5g/m2The curing temperature of the fragrance-retaining functional layer is 60 ℃;
3) forming a printing layer on the upper surface of the raw paper layer by adopting a printing mode, wherein the dry coating amount of the printing layer is 2.8g/m2And the curing temperature of the printing layer is 60 ℃, so that the printing layer is obtained.
Example 3
As shown in fig. 1, an embodiment of the aroma-maintaining wrapping paper for plant aging of the present invention comprises a raw paper layer 2, a printing layer 1 is disposed on the upper surface of the raw paper layer 2, and a barrier layer 3 and an aroma-maintaining functional layer 4 are sequentially disposed on the lower surface of the raw paper layer 2 from outside to inside.
Wherein, the raw paper layer 2 adopts 250g of raw paper. The barrier layer 3 is made of hot-melt high polymer material, and the hot-melt temperature of the high polymer material is 100 ℃. The fragrance-retaining functional layer 4 is made of inorganic powder and organic powder materials (the mass ratio of the inorganic powder to the organic powder is 1: 3), and the average particle size of the powder monomer is 150 micrometers. The specific surface area of the fragrance-retaining functional layer is 2000m2/g。
The preparation method of the aroma-maintaining packaging paper beneficial to plant aging comprises the following steps:
1) coating a barrier layer on the surface of the raw paper layer by adopting hot-melt slit coating, wherein the coating working temperature of the barrier layer is 240 DEGThe coating weight of the barrier layer is 10g/m DEG C2；
2) Coating a fragrance-retaining functional layer on the surface of the barrier layer in a roller coating mode, wherein the dry coating amount of the fragrance-retaining functional layer is 0.5g/m2The curing temperature of the fragrance-retaining functional layer is 150 ℃;
3) forming a printing layer on the upper surface of the raw paper layer by adopting a gravure printing mode, wherein the dry coating amount of the printing layer is 5g/m2And the curing temperature of the printing layer is 102 ℃, so that the printing layer is obtained.
Example 4 Effect detection
Taking Pu 'er tea as an example, the Pu' er tea is naturally aged in the storage process, and microorganisms play a key role to make the Pu 'er tea more old and fragrant, the packaging paper of the invention provides a proper environment for the activity of the microorganisms needed by the contents per se, so that a plurality of beneficial microorganisms are naturally aged in the storage process of the Pu' er tea.
After 25g of the ripe tea pu' er tea wrapped by the aroma-preserving wrapping paper and the original wrapping paper (common tissue paper) prepared in the above example 2 are respectively placed in the same batch for one week, the following tests are carried out: water extract of tea, benzene polyphenols, soluble sugars and theanine (i.e. free amino acids in tea).
The detection method comprises the following steps:
1) detecting the water extract in the tea by adopting the method in GBT 8305-2013;
2) the detection method of the benzene polyphenol in the tea comprises the following steps: direct titration with potassium permanganate;
3) detecting soluble sugar in the tea by adopting an anthrone method;
4) the free amino acids in the tea are detected by the method in GBT 8314-2013.
The detection results are as follows:
①, water leaching detection shows that the wrapping paper of the invention contains 38.13% of tea and 36.81% of original tea;
②, detecting benzene polyphenol, wherein the tea content in the packaging paper is 5.87%, and the tea content in the original packaging paper is 5.02%;
③, soluble sugar detection, wherein the tea in the packaging paper is 5.957 percent, and the original packaged tea is 5.399 percent;
④, detecting theanine, wherein the tea in the packaging paper is 5.02 percent, and the original packaged tea is 3.60 percent.
In conclusion, the test data of the detection show that the tea in the aroma-preserving packaging paper contains more beneficial components than the original packaged tea, and is beneficial to natural aging of the contents in the packaging paper.
The specific embodiments described herein are only used for describing the detailed implementation of the wrapping paper of the present invention, and are not intended to limit the implementation thereof. Any modification and improvement of the method, such as substitution and use of the same or similar substances within the scope or range of patents, shall fall within the scope of protection of the present invention.
Claims (10)
1. The utility model provides a be favorable to fragrant wrapping paper of plant ageing, includes raw paper layer, its characterized in that, the lower surface of raw paper layer has set gradually barrier layer and a fragrant functional layer of keeping from inside to outside.
2. The aroma-maintaining wrapping paper of claim 1, wherein the raw paper layer is made of 6-250g of raw paper.
3. The aroma-maintaining wrapping paper according to claim 1, wherein said barrier layer is made of a high molecular material.
4. The aroma-maintaining wrapping paper according to claim 3, wherein the high polymer material is a hot-melt type or water-soluble high polymer material, and the temperature of the hot-melt type high polymer material is 100 ℃ to 240 ℃.
5. The aroma-maintaining wrapping paper of claim 1, wherein the aroma-maintaining functional layer is made of inorganic powder or organic powder material, and the monomer particle size of the powder is 0.1-150 micrometers.
6. The aroma-maintaining wrapping paper as claimed in claim 1, wherein said aroma-maintaining functional layer is ofThe specific surface area is 30-2000 m2/g。
7. The aroma-maintaining wrapping paper as claimed in claim 1, wherein a printed layer is provided on an upper surface of the raw paper layer.
8. A preparation method of aroma-preserving wrapping paper beneficial to plant aging is characterized by comprising the following steps:
1) coating a barrier layer on the surface of a raw paper layer by adopting a hot-melt slit coating or conventional coating mode, wherein the coating working temperature of the barrier layer is 100-240 ℃, and the coating quantity of the barrier layer is 0.5-18 g per square meter;
2) coating a fragrance-maintaining functional layer on the surface of the barrier layer by adopting a roller coating or spraying mode, wherein the dry coating quantity of the fragrance-maintaining functional layer is 0.5 g/square meter to 5 g/square meter, and the curing temperature of the fragrance-maintaining functional layer is 60-150 ℃;
3) and forming a printing layer on the upper surface of the raw paper layer by adopting a printing mode, wherein the dry coating quantity of the printing layer is 0.5-5 g per square meter, and the curing temperature of the printing layer is 60-150 ℃, thus obtaining the paper.
9. Use of the aroma-preserving wrapping paper according to any one of claims 1 to 7 or the aroma-preserving wrapping paper prepared by the method according to claim 8 in the packaging of fruits, vegetables, tea or traditional Chinese medicines.
10. Use according to claim 9 wherein the tea is Pu' er tea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010012102.0A CN111041895A (en) | 2020-01-06 | 2020-01-06 | Fragrance-retaining packaging paper beneficial to plant aging and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010012102.0A CN111041895A (en) | 2020-01-06 | 2020-01-06 | Fragrance-retaining packaging paper beneficial to plant aging and preparation method and application thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943416A (en) * | 2012-10-17 | 2013-02-27 | 云南瑞升烟草技术（集团）有限公司 | Easily-degradable cigarette lining paper having high barrier property |
| CN205711552U (en) * | 2016-04-08 | 2016-11-23 | 江苏金恒新型包装材料有限公司 | A kind of perfuming humectation cigarette inside lining paper |
| CN106894294A (en) * | 2017-04-07 | 2017-06-27 | 广州市花都联华包装材料有限公司 | A kind of constant humidity guarantees the quality perfume without aluminium tobacco lining paper and its manufacturing process |
| CN212103479U (en) * | 2020-01-06 | 2020-12-08 | 广州市大胡子包装材料有限公司 | Fragrance-retaining packaging paper beneficial to plant aging |
-
2020
- 2020-01-06 CN CN202010012102.0A patent/CN111041895A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943416A (en) * | 2012-10-17 | 2013-02-27 | 云南瑞升烟草技术（集团）有限公司 | Easily-degradable cigarette lining paper having high barrier property |
| CN205711552U (en) * | 2016-04-08 | 2016-11-23 | 江苏金恒新型包装材料有限公司 | A kind of perfuming humectation cigarette inside lining paper |
| CN106894294A (en) * | 2017-04-07 | 2017-06-27 | 广州市花都联华包装材料有限公司 | A kind of constant humidity guarantees the quality perfume without aluminium tobacco lining paper and its manufacturing process |
| CN212103479U (en) * | 2020-01-06 | 2020-12-08 | 广州市大胡子包装材料有限公司 | Fragrance-retaining packaging paper beneficial to plant aging |
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