CN110964234A - Wear-resistant waterproof packaging bag for flour processing production - Google Patents
Wear-resistant waterproof packaging bag for flour processing production Download PDFInfo
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- CN110964234A CN110964234A CN201911268591.XA CN201911268591A CN110964234A CN 110964234 A CN110964234 A CN 110964234A CN 201911268591 A CN201911268591 A CN 201911268591A CN 110964234 A CN110964234 A CN 110964234A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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- Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention provides a wear-resistant waterproof packaging bag for flour processing production, which comprises a middle substrate layer and wear-resistant waterproof layers on two sides; the wear-resistant waterproof layer is prepared from the following raw materials in parts by weight: 25-27 parts of natural latex, 12-14 parts of nano vermiculite, 10-14 parts of nano titanium dioxide, 3-5 parts of anion powder, 0.5-0.9 part of anti-aging agent and 0.3-0.7 part of plasticizer. Compared with the prior art, the invention has the following advantages: the flour packing bag has good wear resistance and water resistance, and the condition that flour leaks due to the fact that the flour bag is extremely easy to damage in the carrying process and cannot be eaten due to the fact that the flour is extremely easy to regain moisture can be avoided; the flour packing bag has the advantages of simple preparation method, environment-friendly production process and low cost, and can be popularized to packing in other fields for use.
Description
Technical Field
The invention relates to the field of flour processing, in particular to a wear-resistant waterproof packaging bag for flour processing production.
Background
Flour is a powder ground from wheat. According to the content of protein in the flour, the flour can be divided into high gluten flour, medium gluten flour, low gluten flour and non-gluten flour.
The flour is finally packaged in the flour processing, and the wear resistance and the water resistance of the packaging bag directly determine the storage effect and the long storage time of the flour. The existing flour packing bags have poor wear resistance and water resistance, so that flour leakage caused by extremely easy breakage of the flour bags in the process of carrying and flour moisture regaining are caused, and the flour can not be eaten.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wear-resistant waterproof packaging bag for flour processing production, which solves the problems that the existing flour packaging bag is poor in wear resistance and waterproofness, so that flour is easy to damage in the process of carrying flour bags, the flour leaks, and the flour is easy to regain moisture and cannot be eaten.
The invention is realized by the following technical scheme:
the invention provides a wear-resistant waterproof packaging bag for flour processing production, which comprises a middle substrate layer and wear-resistant waterproof layers on two sides; the wear-resistant waterproof layer is prepared from the following raw materials in parts by weight: 25-27 parts of natural latex, 12-14 parts of nano vermiculite, 10-14 parts of nano titanium dioxide, 3-5 parts of anion powder, 0.5-0.9 part of anti-aging agent and 0.3-0.7 part of plasticizer.
Preferably, the anti-aging agent is p-phenylenediamine, and the plasticizer is di (2-ethylhexyl) phthalate.
Preferably, the middle substrate layer is prepared from the following raw materials in parts by weight: 20-24 parts of polyvinyl chloride fiber, 20-24 parts of polypropylene fiber, 7-11 parts of copper ion fiber and 6-10 parts of ceramic fiber.
In a preferred scheme, the preparation method of the wear-resistant waterproof packaging bag comprises the following steps: (1) preparation of intermediate substrate layer: the polyvinyl chloride fiber, the polypropylene fiber, the copper ion fiber and the ceramic fiber are weighed according to the weight parts, soaked in the sodium tripolyphosphate solution, uniformly mixed and laid into a net, so that the packaging bag has higher strength and bearing capacity, is mildew-resistant and bactericidal, and can prevent the packaging bag from being repeatedly transported and carriedBreakage occurs, and flour loss is reduced, so that a basal layer fiber net is obtained; (2) reinforcing and forming: carrying out high-frequency hot-press molding on the base layer fiber web, wherein the frequency is 110-120 kHz, the finishing weight is 70-75 g/m2Obtaining a basal layer; (3) film adding on two sides: the natural latex, the nano vermiculite, the nano titanium dioxide, the anion powder, the anti-aging agent and the plasticizer in parts by weight are uniformly mixed, heated to 70-80 ℃, and uniformly sprayed on the base layer, so that the natural non-toxic waterproof packaging bag is natural, can be tightly adhered to the middle base layer, is soft and wear-resistant, avoids the wear-resistant waterproof layers on two sides of the packaging bag from being damaged, can be repeatedly used, reduces the packaging cost of flour, has the thickness of 13-15 mu m, can promote the wear-resistant waterproof layers to be firmly combined with the base layer under ultraviolet irradiation, improves the durability of the packaging bag, and obtains the wear-resistant waterproof non-woven; (4) bag making: and cutting and sewing the wear-resistant waterproof non-woven fabric according to the size, and forming to obtain the wear-resistant waterproof flour packing bag.
Preferably, the concentration of the sodium tripolyphosphate solution in the step (1) is 26-30 mg/L.
Preferably, the ultraviolet irradiation in the step (3) is performed with the power of 300W for 15-25 minutes continuously, the irradiation is stopped for 5-7 minutes, and the irradiation is repeated for 2-4 times.
Compared with the prior art, the invention has the following advantages: the flour packing bag has good wear resistance and water resistance, and the condition that flour leaks due to the fact that the flour bag is extremely easy to damage in the carrying process and cannot be eaten due to the fact that the flour is extremely easy to regain moisture can be avoided; the flour packing bag has the advantages of simple preparation method, environment-friendly production process and low cost, and can be popularized to packing in other fields for use.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
A wear-resistant waterproof packaging bag for flour processing production comprises a middle basal layer and wear-resistant waterproof layers on two sides; the wear-resistant waterproof layer is prepared from the following raw materials in parts by weight: 25 parts of natural latex, 12 parts of nano vermiculite, 10 parts of nano titanium dioxide, 3 parts of anion powder, 0.5 part of anti-aging agent and 0.3 part of plasticizer.
Wherein the anti-aging agent is p-phenylenediamine, and the plasticizer is di (2-ethylhexyl) phthalate.
The middle substrate layer is prepared from the following raw materials in parts by weight: 20 parts of polyvinyl chloride, 20 parts of polypropylene, 7 parts of copper ion fiber and 6 parts of ceramic fiber.
The preparation method of the wear-resistant waterproof packaging bag comprises the following steps: (1) preparation of intermediate substrate layer: the polyvinyl chloride fiber, the polypropylene fiber, the copper ion fiber and the ceramic fiber are weighed according to the weight parts, soaked in a sodium tripolyphosphate solution, uniformly mixed and laid into a net, so that the high-strength polypropylene fiber-based packaging bag has high strength and bearing capacity, is anti-mildew and antibacterial, can prevent the packaging bag from being damaged in the repeated transportation and carrying processes, reduces flour loss, and obtains a base layer fiber net; (2) reinforcing and forming: carrying out high-frequency hot-press molding on the base layer fiber web, wherein the frequency is 110kHz, the finishing weight is 70g/m2Obtaining a basal layer; (3) film adding on two sides: the natural latex, the nano vermiculite, the nano titanium dioxide, the anion powder, the anti-aging agent and the plasticizer in parts by weight are uniformly mixed, heated to 70 ℃, and uniformly sprayed on the base layer, so that the natural non-toxic waterproof non-woven fabric is natural, can be tightly adhered to the middle base layer, is soft and wear-resistant, avoids the wear-resistant waterproof layers on two sides of the packaging bag from being damaged, enables the packaging bag to be repeatedly used, reduces the packaging cost of flour, has the thickness of 13 mu m, can promote the wear-resistant waterproof layer to be firmly combined with the base layer through ultraviolet illumination, and improves the durability of the packaging bag, thereby obtaining the; (4) bag making: and cutting and sewing the wear-resistant waterproof non-woven fabric according to the size, and forming to obtain the wear-resistant waterproof flour packing bag.
The concentration of the sodium tripolyphosphate solution in the step (1) is 26 mg/L.
And (4) continuously irradiating for 15 minutes under the ultraviolet irradiation of the step (3) with the power of 300W, stopping for 5 minutes, and repeating the irradiation for 2 times.
Example 2
A wear-resistant waterproof packaging bag for flour processing production comprises a middle basal layer and wear-resistant waterproof layers on two sides; the wear-resistant waterproof layer is prepared from the following raw materials in parts by weight: 27 parts of natural latex, 14 parts of nano vermiculite, 14 parts of nano titanium dioxide, 5 parts of anion powder, 0.9 part of anti-aging agent and 0.7 part of plasticizer.
Wherein the anti-aging agent is p-phenylenediamine, and the plasticizer is di (2-ethylhexyl) phthalate.
The middle substrate layer is prepared from the following raw materials in parts by weight: 24 parts of polyvinyl chloride, 24 parts of polypropylene, 11 parts of copper ion fiber and 10 parts of ceramic fiber.
The preparation method of the wear-resistant waterproof packaging bag comprises the following steps: (1) preparation of intermediate substrate layer: the polyvinyl chloride fiber, the polypropylene fiber, the copper ion fiber and the ceramic fiber are weighed according to the parts by weight, soaked in the sodium tripolyphosphate solution, uniformly mixed and laid into a net, so that the high-strength polypropylene fiber-based packaging bag has high strength and bearing capacity, is mildew-resistant and bactericidal, can prevent the packaging bag from being damaged in the repeated transportation and carrying processes, reduces flour loss, and obtains a base layer fiber net; (2) reinforcing and forming: carrying out high-frequency hot-press molding on the base layer fiber web, wherein the frequency is 120kHz, the finishing weight is 75g/m2Obtaining a basal layer; (3) film adding on two sides: the natural latex, the nano vermiculite, the nano titanium dioxide, the anion powder, the anti-aging agent and the plasticizer in parts by weight are uniformly mixed, heated to 80 ℃, and uniformly sprayed on the base layer, so that the natural non-toxic waterproof packaging bag is natural, can be tightly adhered to the middle base layer, is soft and wear-resistant, avoids the wear-resistant waterproof layers on two sides of the packaging bag from being damaged, can be repeatedly used, reduces the packaging cost of flour, has the thickness of 15 mu m, can promote the wear-resistant waterproof layers to be firmly combined with the base layer under ultraviolet irradiation, and improves the durability of the packaging bag, thereby obtaining the wear-resistant waterproof non-woven; (4) bag making: and cutting and sewing the wear-resistant waterproof non-woven fabric according to the size, and forming to obtain the wear-resistant waterproof flour packing bag.
The concentration of the sodium tripolyphosphate solution in the step (1) is 30 mg/L.
And (4) continuously irradiating for 25 minutes by using the ultraviolet irradiation of the step (3) at the power of 300W, stopping for 7 minutes, and repeating the irradiation for 4 times.
Example 3
A wear-resistant waterproof packaging bag for flour processing production comprises a middle basal layer and wear-resistant waterproof layers on two sides; the wear-resistant waterproof layer is prepared from the following raw materials in parts by weight: 26 parts of natural latex, 13 parts of nano vermiculite, 12 parts of nano titanium dioxide, 4 parts of anion powder, 0.7 part of anti-aging agent and 0.5 part of plasticizer.
Wherein the anti-aging agent is p-phenylenediamine, and the plasticizer is di (2-ethylhexyl) phthalate.
The middle substrate layer is prepared from the following raw materials in parts by weight: 22 parts of polyvinyl chloride, 22 parts of polypropylene, 9 parts of copper ion fiber and 8 parts of ceramic fiber.
The preparation method of the wear-resistant waterproof packaging bag comprises the following steps: (1) preparation of intermediate substrate layer: the polyvinyl chloride fiber, the polypropylene fiber, the copper ion fiber and the ceramic fiber are weighed according to the weight parts, soaked in a sodium tripolyphosphate solution, uniformly mixed and laid into a net, so that the high-strength polypropylene fiber-based packaging bag has high strength and bearing capacity, is anti-mildew and antibacterial, can prevent the packaging bag from being damaged in the repeated transportation and carrying processes, reduces flour loss, and obtains a base layer fiber net; (2) reinforcing and forming: subjecting the base layer web to high frequency hot press forming at a frequency of 115kHz and a finished weight of 73g/m2Obtaining a basal layer; (3) film adding on two sides: the natural latex, the nano vermiculite, the nano titanium dioxide, the anion powder, the anti-aging agent and the plasticizer in parts by weight are uniformly mixed, heated to 75 ℃, and uniformly sprayed on the base layer, so that the natural non-toxic waterproof coating is natural, can be tightly adhered to the middle base layer, is soft and wear-resistant, avoids the wear-resistant waterproof layers on two sides of the packaging bag from being damaged, enables the packaging bag to be repeatedly used, reduces the packaging cost of flour, has the thickness of 14 mu m, can promote the wear-resistant waterproof layer to be firmly combined with the base layer through ultraviolet illumination, and improves the durability of the packaging bag to obtain the wear-resistant waterproof; (4) bag making: and cutting and sewing the wear-resistant waterproof non-woven fabric according to the size, and forming to obtain the wear-resistant waterproof flour packing bag.
The concentration of the sodium tripolyphosphate solution in the step (1) is 28 mg/L.
And (4) continuously irradiating for 20 minutes by using the ultraviolet irradiation of the step (3) with the power of 300W, stopping for 6 minutes, and repeating the irradiation for 3 times.
The flour packing bag has good wear resistance and water resistance, and the condition that flour leaks due to the fact that the flour bag is extremely easy to damage in the carrying process and cannot be eaten due to the fact that the flour is extremely easy to regain moisture can be avoided; the flour packing bag has the advantages of simple preparation method, environment-friendly production process and low cost, and can be popularized to packing in other fields for use.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A wear-resistant waterproof packaging bag for flour processing production comprises a middle basal layer and wear-resistant waterproof layers on two sides; the wear-resistant waterproof layer is characterized by being prepared from the following raw materials in parts by weight: 25-27 parts of natural latex, 12-14 parts of nano vermiculite, 10-14 parts of nano titanium dioxide, 3-5 parts of anion powder, 0.5-0.9 part of anti-aging agent and 0.3-0.7 part of plasticizer.
2. The wear-resistant waterproof packaging bag for flour processing production according to claim 1, wherein the anti-aging agent is p-phenylenediamine, and the plasticizer is di (2-ethylhexyl) phthalate.
3. The wear-resistant waterproof packaging bag for flour processing production as claimed in claim 1, wherein the middle substrate layer is made from the following raw materials in parts by weight: 20-24 parts of polyvinyl chloride fiber, 20-24 parts of polypropylene fiber, 7-11 parts of copper ion fiber and 6-10 parts of ceramic fiber.
4. The wear-resistant waterproof packaging bag for flour processing production according to claim 3, wherein the preparation method of the wear-resistant waterproof packaging bag comprises the following steps: (1) preparation of intermediate substrate layer: the polyvinyl chloride fiber, the polypropylene fiber, the copper ion fiber and the ceramic fiber are weighed according to the weight parts, soaked in a sodium tripolyphosphate solution, uniformly mixed and laid into a net, so that the high-strength polypropylene fiber-based packaging bag has high strength and bearing capacity, is anti-mildew and antibacterial, can prevent the packaging bag from being damaged in the repeated transportation and carrying processes, reduces flour loss, and obtains a base layer fiber net; (2) reinforcing and forming: carrying out high-frequency hot-press molding on the base layer fiber web, wherein the frequency is 110-120 kHz, the finishing weight is 70-75 g/m2Obtaining a basal layer; (3) film adding on two sides: the natural latex, the nano vermiculite, the nano titanium dioxide, the anion powder, the anti-aging agent and the plasticizer in parts by weight are uniformly mixed, heated to 70-80 ℃, and uniformly sprayed on the base layer, so that the natural non-toxic waterproof packaging bag is natural, can be tightly adhered to the middle base layer, is soft and wear-resistant, avoids the wear-resistant waterproof layers on two sides of the packaging bag from being damaged, can be repeatedly used, reduces the packaging cost of flour, has the thickness of 13-15 mu m, can promote the wear-resistant waterproof layers to be firmly combined with the base layer under ultraviolet irradiation, improves the durability of the packaging bag, and obtains the wear-resistant waterproof non-woven fabric; (4) bag making: and cutting and sewing the wear-resistant waterproof non-woven fabric according to the size, and forming to obtain the wear-resistant waterproof flour packing bag.
5. The wear-resistant waterproof packaging bag for flour processing production according to claim 4, wherein the concentration of the sodium tripolyphosphate solution in the step (1) is 26-30 mg/L.
6. The wear-resistant waterproof packaging bag for flour processing production as claimed in claim 4, wherein the ultraviolet irradiation in the step (3) is performed at a power of 300W for 15-25 minutes continuously, the irradiation is stopped for 5-7 minutes, and the irradiation is repeated for 2-4 times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911268591.XA CN110964234A (en) | 2019-12-11 | 2019-12-11 | Wear-resistant waterproof packaging bag for flour processing production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911268591.XA CN110964234A (en) | 2019-12-11 | 2019-12-11 | Wear-resistant waterproof packaging bag for flour processing production |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173694A1 (en) * | 2002-03-15 | 2003-09-18 | Wenstrup Dave E. | Method for producing a spun-bonded nonwoven web with improved abrasion resistance |
| CN108892820A (en) * | 2018-08-16 | 2018-11-27 | 安徽省汉甲机电设备科技有限公司 | A kind of fire-retardant food pack of weatherability |
| CN109018658A (en) * | 2018-08-16 | 2018-12-18 | 安徽省汉甲机电设备科技有限公司 | A kind of wear-resisting waterproof flour packaging bag |
| CN109177413A (en) * | 2018-08-16 | 2019-01-11 | 安徽省汉甲机电设备科技有限公司 | A kind of high intensity bacteriostatic non-woven cloth packaging bag |
-
2019
- 2019-12-11 CN CN201911268591.XA patent/CN110964234A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173694A1 (en) * | 2002-03-15 | 2003-09-18 | Wenstrup Dave E. | Method for producing a spun-bonded nonwoven web with improved abrasion resistance |
| CN108892820A (en) * | 2018-08-16 | 2018-11-27 | 安徽省汉甲机电设备科技有限公司 | A kind of fire-retardant food pack of weatherability |
| CN109018658A (en) * | 2018-08-16 | 2018-12-18 | 安徽省汉甲机电设备科技有限公司 | A kind of wear-resisting waterproof flour packaging bag |
| CN109177413A (en) * | 2018-08-16 | 2019-01-11 | 安徽省汉甲机电设备科技有限公司 | A kind of high intensity bacteriostatic non-woven cloth packaging bag |
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Application publication date: 20200407 |