CN116065417A - Plastic paper production process - Google Patents
Plastic paper production process Download PDFInfo
- Publication number
- CN116065417A CN116065417A CN202211239563.7A CN202211239563A CN116065417A CN 116065417 A CN116065417 A CN 116065417A CN 202211239563 A CN202211239563 A CN 202211239563A CN 116065417 A CN116065417 A CN 116065417A
- Authority
- CN
- China
- Prior art keywords
- slurry
- paper
- plastic
- producing
- long fiber
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 55
- 239000000835 fiber Substances 0.000 claims abstract description 53
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000013589 supplement Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 16
- 239000012188 paraffin wax Substances 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000009966 trimming Methods 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000004321 preservation Methods 0.000 claims description 15
- 238000004537 pulping Methods 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 208000034699 Vitreous floaters Diseases 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 238000007602 hot air drying Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- 244000025254 Cannabis sativa Species 0.000 description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- 235000009120 camo Nutrition 0.000 description 4
- 235000005607 chanvre indien Nutrition 0.000 description 4
- 239000011487 hemp Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- 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
- 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
-
- 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- 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
- D21H17/60—Waxes
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/64—Alkaline compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a plastic paper production process, which comprises the following raw materials: 60-80% of raw material slurry, 10-15% of long fiber supplement, 5-8% of paraffin, 3-5% of acetone, 1-3% of ethanol and 2-4% of alkaline additive; the production process comprises the following steps: p1, forming polishing slurry; p2, forming a prepared slurry; p3, preparing a mixed material; p4, forming a heating material; p5, forming treatment slurry; p6, dehydrating and molding the treated slurry, squeezing and drying the slurry, and molding the slurry; p7, putting the formed material into a double-roller press, drying and pressing at 60-70 ℃ and shaping into paper; and P8, trimming the shaped paper, and then feeding the paper into a paper winding machine for winding and packaging, thereby completing production. Ensure the safety and stability of package use, improve the structural performance and the service performance of replacing plastics, facilitate production and processing and facilitate popularization and use.
Description
Technical Field
The invention relates to the technical field of plastic paper substitution, in particular to a plastic paper substitution production process.
Background
In the current daily life and development, because of the increasing environmental protection problem, the use of plastic products is limited, and therefore, paper is used to replace plastic bags in packaging, thereby generating a new plastic paper substitute.
However, in the production of the existing plastic paper, the fiber slurry is mostly directly adopted to prepare thicker paper, so that the structure strength is poor, the paper is easy to tear, the shaping processing is not facilitated, the quality is not influenced, the packaging use is not facilitated, and a new production process is to be proposed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a plastic paper substitute production process.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the production process of the plastic paper comprises the following raw materials: 60-80% of raw material slurry, 10-15% of long fiber supplement, 5-8% of paraffin, 3-5% of acetone, 1-3% of ethanol and 2-4% of alkaline additive;
the production process comprises the following steps:
p1, sending the raw materials into a pulping machine for pulping treatment, and crushing fibers to form polishing slurry;
p2, sending the polishing slurry into a pre-papermaking pond, adding a long fiber supplement, uniformly stirring for 15 to 20 minutes, and then standing for 3 to 5 minutes to form a prepared slurry;
p3, adding paraffin, ethanol and an alkaline additive into acetone, and uniformly stirring for 10 to 12 minutes to prepare a mixed material;
p4, adding the mixed material into the prepared slurry, heating to 25-32 ℃, and stirring for 20-30 minutes in a heat preservation state to mix to form a heated material;
p5, putting the heated material into a flow box, and treating the long fiber supplementary material to form treated slurry;
p6, dehydrating and molding the treated slurry, squeezing and drying the slurry, and molding the slurry;
p7, putting the formed material into a double-roller press, drying and pressing at 60-70 ℃ and shaping into paper;
and P8, trimming the shaped paper, and then feeding the paper into a paper winding machine for winding and packaging, thereby completing production.
Preferably, the long fiber supplement is one or more of a mixture of bamboo fiber, bark fiber and cotton and hemp fiber.
Preferably, the paraffin, the ethanol and the acetone are all industrial products, and are all hermetically packaged by adopting a plastic barrel.
Preferably, the alkaline additive comprises a mixture of sodium hydroxide, calcium hydroxide and sodium sulfite, and the mixing ratio is 1:3-5:6-8.
Preferably, the long fiber supplement is added to the P2 in a way that the long fiber supplement is uniformly added in the stirring process and is stirred until no obvious floaters and layering state are seen.
Preferably, the mixture in P3 is thoroughly stirred to a homogeneous state, no significant deposits being visible.
Preferably, the heat preservation is performed in the water bath heating mode in the P4, and the heat preservation is continued until the next working procedure.
Preferably, the hot air drying mode is adopted in both the P6 and the P7, and continuous drying is carried out.
Preferably, the water content of the paper rolled in the P8 is not more than 1%, and the trimming ensures the parallelism of the two sides.
According to the production process of the plastic paper, the raw material slurry is adopted to mix the long fibers, so that the shaping is facilitated, meanwhile, the structural strength is ensured, cracking is avoided, meanwhile, various additives are added for composite shaping, the uniformity during shaping is ensured, meanwhile, the oil resistance and acid resistance are improved, the safety and stability of packaging use are ensured, the structural performance and the use performance of the plastic are improved, the production and the processing are facilitated, and the popularization and the use are facilitated.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The production process of the plastic paper comprises the following raw materials: 60-80% of raw material slurry, 10-15% of long fiber supplement, 5-8% of paraffin, 3-5% of acetone, 1-3% of ethanol and 2-4% of alkaline additive;
the production process comprises the following steps:
p1, sending the raw materials into a pulping machine for pulping treatment, and crushing fibers to form polishing slurry;
p2, sending the polishing slurry into a pre-papermaking pond, adding a long fiber supplement, uniformly stirring for 15 to 20 minutes, and then standing for 3 to 5 minutes to form a prepared slurry;
p3, adding paraffin, ethanol and an alkaline additive into acetone, and uniformly stirring for 10 to 12 minutes to prepare a mixed material;
p4, adding the mixed material into the prepared slurry, heating to 25-32 ℃, and stirring for 20-30 minutes in a heat preservation state to mix to form a heated material;
p5, putting the heated material into a flow box, and treating the long fiber supplementary material to form treated slurry;
p6, dehydrating and molding the treated slurry, squeezing and drying the slurry, and molding the slurry;
p7, putting the formed material into a double-roller press, drying and pressing at 60-70 ℃ and shaping into paper;
and P8, trimming the shaped paper, and then feeding the paper into a paper winding machine for winding and packaging, thereby completing production.
Preferably, the long fiber supplement is one or more of a mixture of bamboo fiber, bark fiber and cotton and hemp fiber.
Preferably, the paraffin, the ethanol and the acetone are all industrial products, and are all hermetically packaged by adopting a plastic barrel.
Preferably, the alkaline additive comprises a mixture of sodium hydroxide, calcium hydroxide and sodium sulfite, and the mixing ratio is 1:3-5:6-8.
Preferably, the long fiber supplement is added to the P2 in a way that the long fiber supplement is uniformly added in the stirring process and is stirred until no obvious floaters and layering state are seen.
Preferably, the mixture in P3 is thoroughly stirred to a homogeneous state, no significant deposits being visible.
Preferably, the heat preservation is performed in the water bath heating mode in the P4, and the heat preservation is continued until the next working procedure.
Preferably, the hot air drying mode is adopted in both P6 and P7, and continuous drying is performed.
Preferably, the water content of the paper rolled in the P8 is not more than 1%, and the trimming ensures the parallelism of the two sides.
According to the production process of the plastic paper, the raw material slurry is adopted to mix the long fibers, so that the shaping is facilitated, meanwhile, the structural strength is ensured, cracking is avoided, meanwhile, various additives are added for composite shaping, the uniformity during shaping is ensured, meanwhile, the oil resistance and acid resistance are improved, the safety and stability of packaging use are ensured, the structural performance and the use performance of the plastic are improved, the production and the processing are facilitated, and the popularization and the use are facilitated.
Example 1
The production process of the plastic paper comprises the following raw materials: 78% of raw material slurry, 10% of long fiber supplement, 5% of paraffin, 5% of acetone, 1% of ethanol and 2% of alkaline additive;
the production process comprises the following steps:
p1, sending the raw materials into a pulping machine for pulping treatment, and crushing fibers to form polishing slurry;
p2, sending the polishing slurry into a pre-papermaking pond, adding a long fiber supplement, uniformly stirring for 15 to 20 minutes, and then standing for 3 to 5 minutes to form a prepared slurry;
p3, adding paraffin, ethanol and an alkaline additive into acetone, and uniformly stirring for 10 to 12 minutes to prepare a mixed material;
p4, adding the mixed material into the prepared slurry, heating to 25-32 ℃, and stirring for 20-30 minutes in a heat preservation state to mix to form a heated material;
p5, putting the heated material into a flow box, and treating the long fiber supplementary material to form treated slurry;
p6, dehydrating and molding the treated slurry, squeezing and drying the slurry, and molding the slurry;
p7, putting the formed material into a double-roller press, drying and pressing at 60-70 ℃ and shaping into paper;
and P8, trimming the shaped paper, and then feeding the paper into a paper winding machine for winding and packaging, thereby completing production.
Preferably, the long fiber supplement is one or more of a mixture of bamboo fiber, bark fiber and cotton and hemp fiber.
Preferably, the paraffin, the ethanol and the acetone are all industrial products, and are all hermetically packaged by adopting a plastic barrel.
Preferably, the alkaline additive comprises a mixture of sodium hydroxide, calcium hydroxide and sodium sulfite, and the mixing ratio is 1:3-5:6-8.
Preferably, the long fiber supplement is added to the P2 in a way that the long fiber supplement is uniformly added in the stirring process and is stirred until no obvious floaters and layering state are seen.
Preferably, the mixture in P3 is thoroughly stirred to a homogeneous state, no significant deposits being visible.
Preferably, the heat preservation is performed in the water bath heating mode in the P4, and the heat preservation is continued until the next working procedure.
Preferably, the hot air drying mode is adopted in both P6 and P7, and continuous drying is performed.
Preferably, the water content of the paper rolled in the P8 is not more than 1%, and the trimming ensures the parallelism of the two sides.
Example 2
The production process of the plastic paper comprises the following raw materials: 71% of raw material slurry, 15% of long fiber supplement, 6% of paraffin, 3% of acetone, 2% of ethanol and 3% of alkaline additive;
the production process comprises the following steps:
p1, sending the raw materials into a pulping machine for pulping treatment, and crushing fibers to form polishing slurry;
p2, sending the polishing slurry into a pre-papermaking pond, adding a long fiber supplement, uniformly stirring for 15 to 20 minutes, and then standing for 3 to 5 minutes to form a prepared slurry;
p3, adding paraffin, ethanol and an alkaline additive into acetone, and uniformly stirring for 10 to 12 minutes to prepare a mixed material;
p4, adding the mixed material into the prepared slurry, heating to 25-32 ℃, and stirring for 20-30 minutes in a heat preservation state to mix to form a heated material;
p5, putting the heated material into a flow box, and treating the long fiber supplementary material to form treated slurry;
p6, dehydrating and molding the treated slurry, squeezing and drying the slurry, and molding the slurry;
p7, putting the formed material into a double-roller press, drying and pressing at 60-70 ℃ and shaping into paper;
and P8, trimming the shaped paper, and then feeding the paper into a paper winding machine for winding and packaging, thereby completing production.
Preferably, the long fiber supplement is one or more of a mixture of bamboo fiber, bark fiber and cotton and hemp fiber.
Preferably, the paraffin, the ethanol and the acetone are all industrial products, and are all hermetically packaged by adopting a plastic barrel.
Preferably, the alkaline additive comprises a mixture of sodium hydroxide, calcium hydroxide and sodium sulfite, and the mixing ratio is 1:3-5:6-8.
Preferably, the long fiber supplement is added to the P2 in a way that the long fiber supplement is uniformly added in the stirring process and is stirred until no obvious floaters and layering state are seen.
Preferably, the mixture in P3 is thoroughly stirred to a homogeneous state, no significant deposits being visible.
Preferably, the heat preservation is performed in the water bath heating mode in the P4, and the heat preservation is continued until the next working procedure.
Preferably, the hot air drying mode is adopted in both P6 and P7, and continuous drying is performed.
Preferably, the water content of the paper rolled in the P8 is not more than 1%, and the trimming ensures the parallelism of the two sides.
Claims (9)
1. The production process of the plastic paper is characterized by comprising the following steps of: the plastic paper comprises the following raw materials: 60-80% of raw material slurry, 10-15% of long fiber supplement, 5-8% of paraffin, 3-5% of acetone, 1-3% of ethanol and 2-4% of alkaline additive;
the production process comprises the following steps:
p1, sending the raw materials into a pulping machine for pulping treatment, and crushing fibers to form polishing slurry;
p2, sending the polishing slurry into a pre-papermaking pond, adding a long fiber supplement, uniformly stirring for 15 to 20 minutes, and then standing for 3 to 5 minutes to form a prepared slurry;
p3, adding paraffin, ethanol and an alkaline additive into acetone, and uniformly stirring for 10 to 12 minutes to prepare a mixed material;
p4, adding the mixed material into the prepared slurry, heating to 25-32 ℃, and stirring for 20-30 minutes in a heat preservation state to mix to form a heated material;
p5, putting the heated material into a flow box, and treating the long fiber supplementary material to form treated slurry;
p6, dehydrating and molding the treated slurry, squeezing and drying the slurry, and molding the slurry;
p7, putting the formed material into a double-roller press, drying and pressing at 60-70 ℃ and shaping into paper;
and P8, trimming the shaped paper, and then feeding the paper into a paper winding machine for winding and packaging, thereby completing production.
2. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: the long fiber supplement is one or more of bamboo fiber, bark fiber and cotton-flax fiber.
3. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: the paraffin, the ethanol and the acetone are all industrial products, and are all sealed and packaged by adopting a plastic barrel.
4. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: the alkaline additive comprises a mixture of sodium hydroxide, calcium hydroxide and sodium sulfite, and the mixing ratio is 1:3-5:6-8.
5. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: the long fiber supplement is added into the P2 in a way of being uniformly added in the stirring process, and the mixture is stirred until no obvious floaters and layering state are seen.
6. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: the mixture in P3 was thoroughly stirred to a homogeneous state, and no significant deposits were observed.
7. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: and the heat preservation is carried out in the water bath heating mode in the step P4, and the heat preservation is continued until the next working procedure.
8. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: and the P6 and the P7 adopt a hot air drying mode and are continuously dried.
9. The process for producing the plastic substituted paper according to claim 1, which is characterized in that: the water content of the paper rolled in the P8 is not more than 1%, and the trimming ensures the parallelism of the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211239563.7A CN116065417A (en) | 2022-10-11 | 2022-10-11 | Plastic paper production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211239563.7A CN116065417A (en) | 2022-10-11 | 2022-10-11 | Plastic paper production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116065417A true CN116065417A (en) | 2023-05-05 |
Family
ID=86182710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211239563.7A Pending CN116065417A (en) | 2022-10-11 | 2022-10-11 | Plastic paper production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116065417A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947495A (en) * | 2015-05-28 | 2015-09-30 | 姚婷婷 | Preparation method of paper for industry |
| CN109333955A (en) * | 2018-10-09 | 2019-02-15 | 昆山鸣朋纸业有限公司 | A kind of high-performance cardboard is without cracking production technology |
| CN110219208A (en) * | 2019-06-10 | 2019-09-10 | 万邦特种材料股份有限公司 | A kind of production technology for collapsible candy wrapping body paper of efficiently twisting together |
| CN113897815A (en) * | 2021-10-28 | 2022-01-07 | 山东天和纸业有限公司 | Method and equipment for improving bursting strength of food packaging paper |
| CN113957739A (en) * | 2021-10-28 | 2022-01-21 | 山东天和纸业有限公司 | Method and equipment for improving lead retention rate of sketch paper |
| CN113981746A (en) * | 2021-10-28 | 2022-01-28 | 山东天和纸业有限公司 | Process method for prolonging storage time of composite paper |
| CN114481674A (en) * | 2022-02-23 | 2022-05-13 | 张凤君 | Production process of plastic-replacing paper |
-
2022
- 2022-10-11 CN CN202211239563.7A patent/CN116065417A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947495A (en) * | 2015-05-28 | 2015-09-30 | 姚婷婷 | Preparation method of paper for industry |
| CN109333955A (en) * | 2018-10-09 | 2019-02-15 | 昆山鸣朋纸业有限公司 | A kind of high-performance cardboard is without cracking production technology |
| CN110219208A (en) * | 2019-06-10 | 2019-09-10 | 万邦特种材料股份有限公司 | A kind of production technology for collapsible candy wrapping body paper of efficiently twisting together |
| CN113897815A (en) * | 2021-10-28 | 2022-01-07 | 山东天和纸业有限公司 | Method and equipment for improving bursting strength of food packaging paper |
| CN113957739A (en) * | 2021-10-28 | 2022-01-21 | 山东天和纸业有限公司 | Method and equipment for improving lead retention rate of sketch paper |
| CN113981746A (en) * | 2021-10-28 | 2022-01-28 | 山东天和纸业有限公司 | Process method for prolonging storage time of composite paper |
| CN114481674A (en) * | 2022-02-23 | 2022-05-13 | 张凤君 | Production process of plastic-replacing paper |
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