CN115491922B - Plant-friendly paper pulp molding and preparation method thereof - Google Patents
Plant-friendly paper pulp molding and preparation method thereof Download PDFInfo
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- CN115491922B CN115491922B CN202210053470.9A CN202210053470A CN115491922B CN 115491922 B CN115491922 B CN 115491922B CN 202210053470 A CN202210053470 A CN 202210053470A CN 115491922 B CN115491922 B CN 115491922B
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- pulp
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Classifications
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/06—Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making fibres; Filaments
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Abstract
The application relates to the field of D21H23/00, in particular to a plant-friendly pulp molding and a preparation method thereof, wherein bagasse or waste paper is used as a main raw material for preparing pulp, and nutrition ingredients and plant-based raw materials are creatively introduced to provide the plant-friendly pulp molding, so that the plant-friendly pulp molding has proper hardness and anti-impact performance, and meets the practical use requirements of the pulp molding as a paper holder, a paper disc, an egg box and an egg holder; plant seeds or spores with smaller particle size are used as plant-based raw materials, and the seeds or spores of the plants are introduced into paper pulp, so that the subsequent paper pulp is regenerated as green plants after being molded and degraded at high speed, the conversion from urban garbage mountain to green plants is realized, the recycling of resources is realized, the effect of beautifying the environment is realized, the cost is lower, the large-scale popularization and use are facilitated, and a brand new thought is provided for sustainable development.
Description
Technical Field
The application relates to the field of D21H23/00, in particular to a plant-friendly pulp molding and a preparation method thereof.
Background
The existing paper-plastic materials comprise paper trays, paper discs and packaging boxes, wood pulp is used as raw materials for production, the cost is high, a large number of trees can be cut down, and the ecological environment is seriously damaged. The bagasse is the pressed bagasse during sugar production of the sugarcane, has coarse and hard texture, accounts for about 24% -27% of the sugarcane (the moisture content is about 50%), and can produce 2-3 tons of bagasse every ton of produced sucrose, so that how to recycle a large amount of waste bagasse and avoid the waste of resources and energy is an important problem facing the prior art.
Chinese patent CN110318289A discloses a coffee grounds paper holder and a preparation method thereof, wherein the coffee grounds and the log pulp are used as main raw materials to prepare paper pulp so as to produce the coffee grounds paper holder, and the cost is reduced to a certain extent, but the consumption of the coffee grounds is only about 10% of the raw materials, so that the environmental protection and the recycling degree are further improved. Chinese patent CN112111994a discloses a tea dreg paper holder and its preparation method, which uses log pulp, tea dreg, cellulose, bean pulp and water as main raw materials to prepare the tea dreg paper holder with certain mechanical strength, but even in cities where garbage classification has been implemented, the phenomenon of clustered garbage discarding is unavoidable, which seriously affects the beauty of the cities, although the problem can be solved by consuming corresponding manpower and material resources, the development and balance of plant systems are affected by the residual existing pulp plastic materials.
Therefore, the application takes bagasse and waste paper as main raw materials to prepare paper pulp, creatively introduces nutritional ingredients and plant-based raw materials to provide plant-friendly paper pulp molding, has proper hardness and impact resistance, can degrade and regenerate green plants at high speed, realizes recycling of resources, plays a role in beautifying the environment, provides a brand new thought for sustainable development, and has important research significance and development potential.
Disclosure of Invention
The application provides a plant-friendly pulp molding, which comprises the following raw materials in parts by weight: 80-100 parts of paper pulp and 0.4-1.5 parts of plant-based raw materials.
As a preferable technical scheme, the mass of the plant-based raw material is 0.6-1% of the mass of paper pulp, and the inventor discovers that the mass of the plant-based raw material is controlled to be 0.6-1% of the mass of paper pulp in the exploration process, so that the degradability of paper pulp molding is obviously improved on the premise that the hardness and impact resistance of the paper pulp molding are not affected, and meanwhile, green plants can grow while degrading after the paper pulp molding contacts with soil, urban environment beautification is spontaneously carried out, the workload of environmental protection staff is reduced, and the recycling and sustainable development are realized.
As a preferable technical scheme, the raw materials of the pulp comprise 98-99.8% of long fiber pulp and 0.2-2% of nutrient components by weight percent; the application adopts the long fiber pulp as the main raw material of the pulp to fully ensure that the prepared pulp molding has higher hardness and anti-impact performance, and meets the practical use requirements of the pulp molding as a paper tray, an egg box and an egg tray. The plant-based material can fully promote the growth and development of the following plant-based raw materials by matching with the nutrition components, and simultaneously the degradation speed of pulp molding is improved.
As a preferable technical scheme, the long fiber pulp is one or a combination of waste pulp and bagasse pulp. Preferably, the long fiber pulp is waste pulp or bagasse pulp; because of the limitation of regional conditions, the transportation cost of the raw materials of the mixed pulp of waste paper and bagasse is high, so that the waste pulp or bagasse can be selected as long-fiber pulp according to the region, the local waste resource utilization is fully realized, and the cost is effectively saved.
As a preferable technical scheme, the waste paper pulp is the lile packaging separated paper pulp, the lile packaging separated paper pulp is divided into an outer paper shell, a middle layer film and an inner layer polyethylene film layer by collecting waste lile packaging paper, the lile packaging separated paper pulp is soaked in water after being crushed, then sodium chloride is added after stirring at a high speed, layering occurs on raw materials, and the lile packaging separated paper pulp is obtained after separation.
As a preferable technical scheme, the nutrient component is at least one selected from corn starch, potato starch, sweet potato starch, chitosan and hydroxypropyl methyl cellulose; preferably, the nutritional ingredients are a combination of corn starch, chitosan and hydroxypropyl methylcellulose, and the application discovers that the combination of corn starch, chitosan and hydroxypropyl methylcellulose is adopted as the nutritional ingredients, so that the degradation time of pulp molding is shortened, and meanwhile, the adopted corn starch, chitosan and hydroxypropyl methylcellulose can provide needed nutrients and protection for the growth of plant-based raw materials, and the time for the growth of the plant-based raw materials is shortened. Preferably, the mass ratio of the corn starch to the chitosan to the hydroxypropyl methylcellulose is (3-5): (0.8-1.2): (1-3) improving the strength and the product quality of the pulp plastic material while providing corresponding nutrients and protection for the growth of plant-based raw materials, so that the provided pulp plastic material has a certain antibacterial and mildew-proof effect, improves the use safety, and is beneficial to large-scale popularization and use.
As a preferable technical scheme, the preparation method of the paper pulp comprises the steps of adding nutritional ingredients into a pulping barrel filled with long-fiber paper pulp, and uniformly stirring and mixing to obtain the paper pulp.
As a preferred technical scheme, the plant-based raw material is plant seeds or spores; the seeds and spores of the plants have biological activity, and the seeds or spores of the plants are introduced into paper pulp, so that the paper pulp can be regenerated as green plants after being molded and degraded at high speed; preferably, the plant-based raw material is a asteraceae plant seed or weed seed or fern spore with smaller particle size. Preferably, the plant seed is selected from any one of the group consisting of a small daisy seed, a boswellia seed, a stevioside seed, a zinnia seed, a mikania seed, a weed seed, and a fan fern spore. Preferably, the plant seeds are the young daisy seeds or the weed seeds, can adapt to the growth conditions of all places of the whole country, enlarge the application range, facilitate market popularization and utilization, and avoid the degradation and regeneration of pulp molding due to the influence of geographical environment or climate factors.
In another aspect, the present application provides a method for preparing plant-friendly pulp molding, comprising at least the following steps:
(1) And (3) blade matching: the pulp is diluted according to a certain proportion to prepare pulp stock solution.
(2) Lifting a propeller: and (3) carrying out preliminary shaping on the pulp stock solution by adopting a pulp lifting net, and adding plant-based raw materials to obtain the plant-based preliminary shaping material when the pulp lifting net does not flow down into the stranding slurry.
(3) Shaping: injecting the plant-based preliminary shaping material into a shaping pulp tank, sucking the plant-based preliminary shaping material into a vacuum machine for shaping through vacuum pulp suction, and then placing the plant-based preliminary shaping material into a high-pressure shaping machine for high-pressure shaping.
The specific steps of pulp dilution in the step (1) are as follows: the mass ratio of the paper pulp to the water is 1: preparing stock solution of pulp according to the proportion of (7-10).
According to the application, the plant-based raw material is added when the pulp net to be extracted does not flow down into the stock slurry in the pulp extracting process, so that the problem that the degradation and regeneration of pulp molding are affected due to the fact that the plant-based raw material loses activity caused by the contact of the plant-based raw material with excessive water is avoided.
The beneficial effects are that:
1. the application provides the plant-friendly pulp molding which has proper hardness and impact resistance, can be degraded and regenerated into green plants at high speed, realizes the recycling of resources and can play a role in beautifying the environment, and provides a brand-new idea for sustainable development.
2. The quality of the plant-based raw materials is controlled to be 0.6% -1% of the pulp quality, the degradability of pulp molding is obviously improved on the premise that the hardness and impact resistance of the pulp molding are not affected, meanwhile, green plants can grow while degrading after the pulp molding is contacted with soil, urban environment beautification is spontaneously carried out, the workload of environmental protection staff is reduced, and the recycling and sustainable development are realized.
3. The waste paper pulp or bagasse can be selected as the long-fiber paper pulp according to the region, so that the prepared paper pulp molding has higher hardness and anti-impact performance, the actual use requirements of the paper pulp molding as a paper tray, a paper disc, an egg box and an egg tray are met, the local waste recycling is realized, and the cost is effectively saved.
4. The corn starch, chitosan and hydroxypropyl methylcellulose are used as nutritional ingredients, and the mass ratio of the corn starch to the chitosan to the hydroxypropyl methylcellulose is controlled to be (3-5): (0.8-1.2): (1-3), shortens the degradation time of pulp molding, provides needed nutrients and protection for the growth of plant-based raw materials, is favorable for shortening the time for the growth of the plant-based raw materials, improves the strength and the product quality of the pulp molding material, ensures that the provided pulp molding material has a certain antibacterial and mildew-proof effect, improves the use safety, and is favorable for large-scale popularization and use.
5. Plant seeds or spores with smaller particle size, especially small daisy seeds or weed seeds, are used as plant-based raw materials, and the seeds or spores of the plants are introduced into paper pulp, so that the paper pulp can be regenerated as green plants after being molded and degraded at high speed, and the conversion from urban garbage mountain to green plants is realized.
Detailed Description
Example 1
In one aspect, embodiment 1 of the present application provides a plant-friendly pulp molding comprising the following raw materials in parts by weight: 90 parts of paper pulp and 0.9 part of plant-based raw material.
The mass of the plant-based raw material is 1% of the mass of the pulp.
The raw materials of the paper pulp comprise 99% of long fiber paper pulp and 1% of nutritional ingredients by weight percent.
The method comprises the steps of preparing long fiber paper pulp, namely waste paper pulp, wherein the waste paper pulp is lile packaging separation paper pulp, the lile packaging separation paper pulp is divided into an outer paper shell, a middle layer and an inner layer polyethylene film layer by collecting waste lile packaging paper, the lile packaging separation paper pulp is soaked in water after crushing the lile packaging paper, then stirring at a high speed, adding sodium chloride after stirring, layering the raw materials, and separating to obtain the lile packaging separation paper pulp.
The nutritional ingredients are a combination of corn starch, chitosan and hydroxypropyl methylcellulose; the mass ratio of the corn starch to the chitosan to the hydroxypropyl methylcellulose is 4:1:2.
the preparation method of the paper pulp comprises the steps of adding the nutritional ingredients into a pulping barrel filled with long fiber paper pulp, and stirring and mixing uniformly to obtain the paper pulp.
The plant-based raw material is plant seeds, and the plant seeds are small daisy seeds.
In another aspect, embodiment 1 of the present application provides a method for preparing plant-friendly pulp molding, comprising the following preparation steps:
(1) And (3) blade matching: the pulp is diluted according to a certain proportion to prepare pulp stock solution.
(2) Lifting a propeller: and (3) carrying out preliminary shaping on the pulp stock solution by adopting a pulp lifting net, and adding plant-based raw materials to obtain the plant-based preliminary shaping material when the pulp lifting net does not flow down into the stranding slurry.
(3) Shaping: injecting the plant-based preliminary shaping material into a shaping pulp tank, sucking the plant-based preliminary shaping material into a vacuum machine for shaping through vacuum pulp suction, and then placing the plant-based preliminary shaping material into a high-pressure shaping machine for high-pressure shaping.
The specific steps of pulp dilution in the step (1) are as follows: the mass ratio of the paper pulp to the water is 1:8, preparing a pulp stock solution according to the proportion.
The plant-friendly paper pulp molding is applied to the preparation of paper trays, and the waste paper trays are placed in soil and are completely degraded and grown into the small daisy after 10 days at 25 ℃.
Example 2
In one aspect, embodiment 2 of the present application provides a plant-friendly pulp molding comprising the following raw materials in parts by weight: 100 parts of paper pulp and 1 part of plant-based raw material.
The mass of the plant-based raw material is 1% of the mass of the pulp.
The raw materials of the paper pulp comprise 99% of long fiber paper pulp and 1% of nutritional ingredients by weight percent.
The method comprises the steps of preparing long fiber paper pulp, namely waste paper pulp, wherein the waste paper pulp is lile packaging separation paper pulp, the lile packaging separation paper pulp is divided into an outer paper shell, a middle layer and an inner layer polyethylene film layer by collecting waste lile packaging paper, the lile packaging separation paper pulp is soaked in water after crushing the lile packaging paper, then stirring at a high speed, adding sodium chloride after stirring, layering the raw materials, and separating to obtain the lile packaging separation paper pulp.
The nutritional ingredients are a combination of corn starch, chitosan and hydroxypropyl methylcellulose; the mass ratio of the corn starch to the chitosan to the hydroxypropyl methylcellulose is 5:1.2:3.
the preparation method of the paper pulp comprises the steps of adding the nutritional ingredients into a pulping barrel filled with long fiber paper pulp, and stirring and mixing uniformly to obtain the paper pulp.
The plant-based raw material is plant seeds, and the plant seeds are weed seeds.
In another aspect, embodiment 2 of the present application provides a method for preparing plant-friendly pulp molding, comprising the following preparation steps:
(1) And (3) blade matching: the pulp is diluted according to a certain proportion to prepare pulp stock solution.
(2) Lifting a propeller: and (3) carrying out preliminary shaping on the pulp stock solution by adopting a pulp lifting net, and adding plant-based raw materials to obtain the plant-based preliminary shaping material when the pulp lifting net does not flow down into the stranding slurry.
(3) Shaping: injecting the plant-based preliminary shaping material into a shaping pulp tank, sucking the plant-based preliminary shaping material into a vacuum machine for shaping through vacuum pulp suction, and then placing the plant-based preliminary shaping material into a high-pressure shaping machine for high-pressure shaping.
The specific steps of pulp dilution in the step (1) are as follows: the mass ratio of the paper pulp to the water is 1:8, preparing a pulp stock solution according to the proportion.
The plant-friendly paper pulp molding is applied to the preparation of egg trays, and the waste egg trays are placed in soil and completely degraded and grow weeds after 7 days at 25 ℃.
Claims (1)
1. A plant-friendly pulp molding, characterized by comprising the following raw materials in parts by weight: 80-100 parts of paper pulp and 0.4-1.5 parts of plant-based raw materials; the mass of the plant-based raw material is 0.6% -1% of the mass of the paper pulp; the raw materials of the pulp comprise 98-99.8% of long fiber pulp and 0.2% -2% of nutritional ingredients according to weight percentage; the long fiber pulp is waste pulp or bagasse pulp; the nutritional ingredients are a combination of corn starch, chitosan and hydroxypropyl methylcellulose; the mass ratio of the corn starch to the chitosan to the hydroxypropyl methylcellulose is (3-5): (0.8-1.2): (1-3); the plant-based raw material is one of Compositae plant seeds, weed seeds and pteridophyte spores;
the preparation method of the plant-friendly paper pulp molding at least comprises the following preparation steps:
(1) Preparing slurry: diluting paper pulp according to a certain proportion to prepare stock solution of paper pulp;
(2) Pulp extraction: carrying out preliminary shaping on the pulp stock solution by adopting a pulp lifting net, and adding plant-based raw materials to obtain plant-based preliminary shaping materials when the pulp lifting net does not flow down into a strand of pulp;
(3) Shaping: injecting the plant-based preliminary shaping material into a shaping pulp tank, sucking the plant-based preliminary shaping material into a vacuum machine for shaping through vacuum pulp suction, and then placing the plant-based preliminary shaping material into a high-pressure shaping machine for high-pressure shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053470.9A CN115491922B (en) | 2022-01-18 | 2022-01-18 | Plant-friendly paper pulp molding and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053470.9A CN115491922B (en) | 2022-01-18 | 2022-01-18 | Plant-friendly paper pulp molding and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115491922A CN115491922A (en) | 2022-12-20 |
| CN115491922B true CN115491922B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210053470.9A Active CN115491922B (en) | 2022-01-18 | 2022-01-18 | Plant-friendly paper pulp molding and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06113669A (en) * | 1992-09-29 | 1994-04-26 | Toppan Printing Co Ltd | Seedling bed using pulp foam and its production |
| WO2001079608A1 (en) * | 2000-03-31 | 2001-10-25 | Yuen Foong Yu Paper Mfg Co., Ltd. | A multi-functional paper and a method of making the same |
| EP1305991A1 (en) * | 2001-10-26 | 2003-05-02 | Yuen Foong Yu Paper MFG Company, Limited | Multi-purpose paper, manufacturing method thereof and the application thereof |
| CN102523789A (en) * | 2010-12-15 | 2012-07-04 | 广东轻工职业技术学院 | Plant-growing paper carrier using paper as main carrier and making method thereof |
| CN105557122A (en) * | 2015-12-22 | 2016-05-11 | 天津嘉之和科技有限公司 | Simple planting module and preparation method thereof |
| KR20170016683A (en) * | 2015-08-04 | 2017-02-14 | (주)풀쟁이 | Seed planting traditional paper manufacturing method and the method thereof |
| CN108294054A (en) * | 2017-12-25 | 2018-07-20 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of cabbage seed |
| CN111296124A (en) * | 2020-02-14 | 2020-06-19 | 青岛金泽鼎包装有限公司 | Degradable disposable seedling raising composition and utensil beneficial to plant growth and preparation method thereof |
-
2022
- 2022-01-18 CN CN202210053470.9A patent/CN115491922B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06113669A (en) * | 1992-09-29 | 1994-04-26 | Toppan Printing Co Ltd | Seedling bed using pulp foam and its production |
| WO2001079608A1 (en) * | 2000-03-31 | 2001-10-25 | Yuen Foong Yu Paper Mfg Co., Ltd. | A multi-functional paper and a method of making the same |
| EP1305991A1 (en) * | 2001-10-26 | 2003-05-02 | Yuen Foong Yu Paper MFG Company, Limited | Multi-purpose paper, manufacturing method thereof and the application thereof |
| CN102523789A (en) * | 2010-12-15 | 2012-07-04 | 广东轻工职业技术学院 | Plant-growing paper carrier using paper as main carrier and making method thereof |
| KR20170016683A (en) * | 2015-08-04 | 2017-02-14 | (주)풀쟁이 | Seed planting traditional paper manufacturing method and the method thereof |
| CN105557122A (en) * | 2015-12-22 | 2016-05-11 | 天津嘉之和科技有限公司 | Simple planting module and preparation method thereof |
| CN108294054A (en) * | 2017-12-25 | 2018-07-20 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of cabbage seed |
| CN111296124A (en) * | 2020-02-14 | 2020-06-19 | 青岛金泽鼎包装有限公司 | Degradable disposable seedling raising composition and utensil beneficial to plant growth and preparation method thereof |
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|---|---|
| CN115491922A (en) | 2022-12-20 |
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