CN113895127A - Production process of paper packaging bag - Google Patents
Production process of paper packaging bag Download PDFInfo
- Publication number
- CN113895127A CN113895127A CN202111137715.8A CN202111137715A CN113895127A CN 113895127 A CN113895127 A CN 113895127A CN 202111137715 A CN202111137715 A CN 202111137715A CN 113895127 A CN113895127 A CN 113895127A
- Authority
- CN
- China
- Prior art keywords
- base paper
- paper layer
- layer
- treatment
- packaging bag
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 31
- -1 polypropylene Polymers 0.000 claims abstract description 27
- 239000000654 additive Substances 0.000 claims abstract description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 24
- 241001330002 Bambuseae Species 0.000 claims abstract description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 24
- 239000004743 Polypropylene Substances 0.000 claims abstract description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011425 bamboo Substances 0.000 claims abstract description 24
- 229920001155 polypropylene Polymers 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 238000007731 hot pressing Methods 0.000 claims abstract description 23
- 230000000996 additive effect Effects 0.000 claims abstract description 22
- 239000000123 paper Substances 0.000 claims description 153
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 72
- 238000002156 mixing Methods 0.000 claims description 42
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical class O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 28
- 235000012239 silicon dioxide Nutrition 0.000 claims description 28
- 238000002360 preparation method Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 22
- 230000004888 barrier function Effects 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000003607 modifier Substances 0.000 claims description 20
- 239000005543 nano-size silicon particle Substances 0.000 claims description 20
- 230000002209 hydrophobic effect Effects 0.000 claims description 19
- 239000000376 reactant Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 238000001354 calcination Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 238000002791 soaking Methods 0.000 claims description 15
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- UYUXSRADSPPKRZ-UHFFFAOYSA-N D-glucuronic acid gamma-lactone Natural products O=CC(O)C1OC(=O)C(O)C1O UYUXSRADSPPKRZ-UHFFFAOYSA-N 0.000 claims description 11
- UYUXSRADSPPKRZ-SKNVOMKLSA-N D-glucurono-6,3-lactone Chemical compound O=C[C@H](O)[C@H]1OC(=O)[C@@H](O)[C@H]1O UYUXSRADSPPKRZ-SKNVOMKLSA-N 0.000 claims description 11
- 230000004913 activation Effects 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 229950002441 glucurolactone Drugs 0.000 claims description 11
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000000748 compression moulding Methods 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 claims description 6
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 claims description 6
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 6
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- MSJMDZAOKORVFC-UAIGNFCESA-L disodium maleate Chemical compound [Na+].[Na+].[O-]C(=O)\C=C/C([O-])=O MSJMDZAOKORVFC-UAIGNFCESA-L 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- 229960005489 paracetamol Drugs 0.000 claims description 6
- 229940116269 uric acid Drugs 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 5
- 229920001661 Chitosan Polymers 0.000 claims description 5
- 229920000858 Cyclodextrin Polymers 0.000 claims description 5
- 239000001116 FEMA 4028 Substances 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 5
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 claims description 5
- 235000011175 beta-cyclodextrine Nutrition 0.000 claims description 5
- 229960004853 betadex Drugs 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- KEROTHRUZYBWCY-UHFFFAOYSA-N tridecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCOC(=O)C(C)=C KEROTHRUZYBWCY-UHFFFAOYSA-N 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000002715 modification method Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000011087 paperboard Substances 0.000 description 3
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/76—Moistening; Drying; Cooling; Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/79—Coating; Impregnating; Waterproofing; Decoating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B65D65/40—Applications of laminates for particular packaging purposes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a production process of a paper packaging bag, which comprises an inner packaging base paper layer, a separation cementing layer and an outer packaging base paper layer; the inner package base paper layer and the outer package base paper layer are bonded through the separation cementing material of the separation cementing layer, and the integrated paper packaging bag is formed through hot pressing. The packaging bag is formed by hot-pressing an inner packaging base paper layer, a separation cementing layer and an outer packaging base paper layer, wherein the packaging base paper layer is formed by using bamboo fibers and polypropylene fibers as fiber base materials and matching with nano silver powder and a modified additive.
Description
Technical Field
The invention relates to the technical field of paper packaging bags, in particular to a production process of a paper packaging bag.
Background
The paper package has the advantages of easy processing, low cost, suitability for printing, light weight, foldability, no toxicity, no smell, no pollution and the like, but has poor water resistance and poor strength when being wet. Paper packaging materials can be divided into two main categories, packaging paper and paperboard. The general packaging paper is called paper packaging, and the performance requirements of the paper packaging mainly include the following aspects: packages with high strength, low cost, good gas permeability and abrasion resistance are often used as shopping bags, file bags, such as kraft paper. The paper surface is bright and the packing paper with higher strength is used as labels, clothing labels and bottle labels, such as bleached paper. The natural raw material supported packaging paper has the advantages of no toxicity, high transparency, smooth surface, tensile strength, moisture resistance and oil resistance, and is widely used for food packaging, such as cellophane. The raw materials for manufacturing the paperboard are basically the same as the paper, and the paperboard mainly differs from the paper in hardness, thickness, strong rigidity and easy processing, and is the main paper for selling packages.
The existing packaging bag is made of paper materials, and the materials are poor in barrier property, easy to ventilate and permeate, and influence the use function of the packaging bag.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a paper packaging bag production process to solve the problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a production process of a paper packaging bag, which comprises an inner packaging base paper layer, a separation cementing layer and an outer packaging base paper layer; the inner package base paper layer and the outer package base paper layer are bonded through the separation cementing material of the separation cementing layer and are hot-pressed to form an integrated paper packaging bag;
the specific production process of the paper packaging bag comprises the following steps:
the method comprises the following steps: preparing an inner packaging base paper layer: bamboo fiber, polypropylene fiber, nano silver powder and a modified additive are matched and processed by a compression molding machine to obtain an inner packaging base paper layer;
step two: the preparation method of the barrier adhesive material comprises the following steps:
mixing modified bentonite and polyvinyl acetal according to the weight ratio of 1:2, then adding active reactant which is 10-20% of the total amount of the modified bentonite, and stirring at the rotating speed of 100-500r/min for 20-30min to obtain the barrier adhesive material;
step three: preparing an outer packaging base paper layer: immersing the existing base paper layer into an outer layer modifier, taking out and airing to obtain an outer packaging base paper layer;
step four: dipping the inner package base paper layer and the outer package base paper layer by adopting an interface dipping agent, and drying for later use;
step five: coating a barrier adhesive material between the dipped inner package base paper layer and the outer package base paper layer with the coating thickness of 1-3mm, and then adopting ultraviolet irradiation treatment with the ultraviolet irradiation power of 100-300W and the irradiation time of 5-10 min; and then carrying out hot pressing treatment at the hot pressing temperature of 90-95 ℃ and the hot pressing pressure of 1-5MPa, and cooling to the natural room temperature after the hot pressing is finished to obtain the paper packaging bag.
Preferably, the specific preparation method of the inner package base paper layer comprises the following steps:
the method comprises the following steps: taking the bamboo fiber and the polypropylene fiber according to the weight ratio of 2:1, and then carrying out activation microscopic treatment;
step two: preparing nano silver powder: sending the nano silver powder into absolute ethyl alcohol for ultrasonic dispersion, wherein the dispersion power is 100-200W, and the dispersion time is 20-30 min;
step three: and (3) mixing 30-40 parts of the bamboo fiber treated in the step one, the polypropylene fiber, 1-5 parts of nano silver powder and 1-3 parts of a modified additive at the mixing rotation speed of 300-600r/min for 10-20min, sending the mixture into a compression molding machine after mixing is finished, and obtaining the inner packaging base paper layer through paper making, vacuum squeezing dehydration and drying.
Preferably, the specific operation steps of the activating micro-treatment are as follows: the bamboo fiber and the polypropylene fiber are sent into a hydrochloric acid solution to be soaked for 10-20min at the soaking temperature of 45-55 ℃, the soaking is finished, then sodium dodecyl sulfate accounting for 1-5% of the total amount of the hydrochloric acid solution is added, the stirring is continued for 5-10min, the washing is carried out, and finally the obtained product is sent into a plasma box to be treated, wherein the treatment vacuum degree is 20-30Pa, the gas flow is 1-3L/min, the treatment power is 100-150W, and the treatment temperature is 1-3 ℃.
Preferably, the modifying additive: mixing chitosan, beta-cyclodextrin and polyethylene glycol according to the weight ratio of 2:1:1 to obtain the modified additive.
Preferably, the modified bentonite modification method comprises the following steps:
and (2) sending the bentonite into water for ultrasonic dispersion treatment, wherein the ultrasonic power is 500-700W, performing ultrasonic treatment for 10-20min, calcining at the temperature of 200-300 ℃ for 20-30min, then annealing to the temperature of 100-150 ℃, continuing calcining for 10-20min, finishing calcining, and reducing the temperature to the room temperature at the speed of 1-3 ℃/min to obtain the modified bentonite.
Preferably, the preparation method of the active reactant comprises the following steps:
s1: mixing glucuronolactone and acetaminophen according to the weight ratio of 3:1, then adding acetone which is 2 times of the total weight of the glucuronolactone, and stirring the mixture fully for later use;
s2: sending graphene into concentrated sulfuric acid for oxidation activation, and then washing with deionized water for 1-3 times to obtain activated graphene;
s3: adding the activated graphene into the solution of S1 according to the weight ratio of 1:9, and stirring and mixing at a high speed of 100-1000r/min for 10-20min to obtain the active reactant.
Preferably, the preparation method of the outer layer modifier comprises the following steps: mixing 10-20 parts of silane coupling agent, 1-5 parts of tridecyl methacrylate and 1-3 parts of hydrophobic silicon dioxide to prepare the outer layer modifier.
Preferably, the preparation method of the hydrophobic silica comprises the following steps: the nano silicon dioxide is sent into an ethanol solvent with the weight 2-3 times of that of the nano silicon dioxide, then azodiisobutyronitrile accounting for 1-5 percent of the total weight of the nano silicon dioxide and butyl acrylate accounting for 10-20 percent of the total weight of the nano silicon dioxide are added, and the mixture is stirred for 20-30min at the rotating speed of 100-500r/min, so as to obtain the hydrophobic silicon dioxide.
Preferably, the specific operation steps of the interfacial impregnant for impregnation treatment are as follows: mixing 10-15% of nickel nitrate aqueous solution, 10% of nickel nitrate aqueous solution of sodium maleate and 5% of uric acid to form an interface impregnant, soaking the inner package base paper layer and the outer package base paper layer into the interface impregnant, taking out the interface impregnant, sending the interface impregnant into a high-pressure tank for high-pressure treatment, drying the interface impregnant at 60-70 ℃ for 10-20min after the treatment is finished, and obtaining the paper.
Preferably, the pressure in the high-pressure tank is 10-20MPa, and the vacuum degree is 0.012-0.015 MPa.
Compared with the prior art, the invention has the following beneficial effects:
the packaging bag is formed by hot-pressing the inner packaging base paper layer, the blocking cementing layer and the outer packaging base paper layer, the packaging base paper layer is formed by taking bamboo fiber and polypropylene fiber as fiber base materials and matching with nano silver powder and a modified additive, the fiber base materials are soaked and activated by hydrochloric acid and sodium dodecyl sulfate, and simultaneously, the micro surface structure of the fiber base materials is roughened by plasma treatment, so that the activation energy is improved, and the contact reactivity between the fibers and the modified additive is improved; after the nano silver powder is subjected to ultrasonic treatment, the dispersing ability is enhanced, so that the nano silver powder is dispersed in the base paper layer, and the antibacterial ability of the inner-layer package of the product is improved;
the outer package base paper layer is improved by adopting an outer layer modifier, the outer layer modifier is prepared by adopting a silane coupling agent, tridecafluorooctyl methacrylate and modified silicon dioxide in the preparation of the outer layer modifier, and butyl acrylate is adopted to modify the outer layer modifier in the preparation of the modified silicon dioxide, so that the hydrophobic property of the outer package base paper layer is improved, the overall hydrophobic property of the outer package base paper layer can be improved by adopting the outer layer modifier, the hydrophobic effect of the packaging bag is improved, and the hydrophobic and barrier water permeability properties are improved by matching with the use of the inner package base paper layer. (ii) a
The separation cementing layer is made of a separation cementing material, and the preparation of the separation cementing material comprises the following steps: dispersing the modified bentonite into polyvinyl acetal, and then compounding with an active reactant; the modified bentonite is subjected to ultrasonic treatment to improve the dispersing capacity, and then is calcined and annealed to improve the shrinkage of a lamellar layer, improve the barrier property and block external water vapor; the glucuronolactone and the acetaminophen in the active reactants can provide abundant active groups in the barrier adhesive;
nickel nitrate aqueous solution, sodium maleate and uric acid in the interface impregnant are matched to dip the inner packaging base paper layer and the outer packaging base paper layer, so that nickel hydroxide nano particles can be formed on the surfaces of the inner packaging base paper layer and the outer packaging base paper layer, the nickel hydroxide nano particles are arranged on the outer surfaces of the inner packaging base paper layer and the outer packaging base paper layer in a staggered mode through chemical bonds, and after the nickel hydroxide nano particles are hot-pressed with the separation cementing layer, the nickel hydroxide nano particles are in counterpoint matching through active groups in the active reaction agent, so that the bonding strength between the separation cementing layer and the inner packaging base paper layer as well as between the separation cementing layer and the outer packaging base paper layer is improved, and the addition of the separation cementing layer not only can improve the separation performance, but also can improve the overall stability of the packaging bag;
in addition, the graphene of the active reactant has a sheet structure, is inserted in the layered structure of the bentonite, has the coordination insertion effect, further improves the barrier property of the product, and can obviously improve the water permeability and air permeability of the product.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1.
The production process of the paper packaging bag comprises an inner packaging base paper layer, a blocking cementing layer and an outer packaging base paper layer; the inner package base paper layer and the outer package base paper layer are bonded through the separation cementing material of the separation cementing layer and are hot-pressed to form an integrated paper packaging bag;
the specific production process of the paper packaging bag comprises the following steps:
the method comprises the following steps: preparing an inner packaging base paper layer: bamboo fiber, polypropylene fiber, nano silver powder and a modified additive are matched and processed by a compression molding machine to obtain an inner packaging base paper layer;
step two: the preparation method of the barrier adhesive material comprises the following steps:
mixing modified bentonite and polyvinyl acetal according to a weight ratio of 1:2, adding an active reactant accounting for 10% of the total weight of the modified bentonite, and stirring at a rotating speed of 100r/min for 20min to obtain a barrier adhesive material;
step three: preparing an outer packaging base paper layer: immersing the existing base paper layer into an outer layer modifier, taking out and airing to obtain an outer packaging base paper layer;
step four: dipping the inner package base paper layer and the outer package base paper layer by adopting an interface dipping agent, and drying for later use;
step five: coating a barrier adhesive material between the dipped inner package base paper layer and the outer package base paper layer with the coating thickness of 1mm, and then adopting ultraviolet irradiation treatment with the ultraviolet irradiation power of 100W and the irradiation time of 5 min; and then carrying out hot pressing treatment at the hot pressing temperature of 90 ℃ and the hot pressing pressure of 1MPa, and cooling to the natural room temperature after the hot pressing is finished to obtain the paper packaging bag.
The specific preparation method of the inner package base paper layer in the embodiment comprises the following steps:
the method comprises the following steps: taking the bamboo fiber and the polypropylene fiber according to the weight ratio of 2:1, and then carrying out activation microscopic treatment;
step two: preparing nano silver powder: sending the nano silver powder into absolute ethyl alcohol for ultrasonic dispersion, wherein the dispersion power is 100-200W, and the dispersion time is 20-30 min;
step three: and (3) mixing 30 parts of the bamboo fiber treated in the step one, the polypropylene fiber, 1 part of the nano silver powder and 1 part of the modified additive at the mixing speed of 300r/min for 10min, then sending the mixture into a compression molding machine, papermaking, vacuum pressing and dehydrating, and drying to obtain the inner packaging base paper layer.
The specific operation steps of the activating micro-treatment in this example are: the bamboo fiber and the polypropylene fiber are sent into a hydrochloric acid solution to be soaked for 10min at the soaking temperature of 45 ℃, the soaking is finished, then sodium dodecyl sulfate accounting for 1 percent of the total amount of the hydrochloric acid solution is added, the stirring is continued for 5min, the water washing is carried out, and finally the bamboo fiber and the polypropylene fiber are sent into a plasma box to be processed, wherein the processing vacuum degree is 20Pa, the gas flow is 1L/min, the processing power is 100W, and the processing temperature is 1 ℃.
Modifying additives for this example: mixing chitosan, beta-cyclodextrin and polyethylene glycol according to the weight ratio of 2:1:1 to obtain the modified additive.
The modification method of the modified bentonite in this example is:
and (2) sending the bentonite into water for ultrasonic dispersion treatment, wherein the ultrasonic power is 500W, performing ultrasonic treatment for 10min, then calcining at 200 ℃ for 20min, then annealing to 100 ℃, continuing calcining for 10min, and after the calcining is finished, reducing the temperature to room temperature at the speed of 1 ℃/min to obtain the modified bentonite.
The preparation method of the active reactant of this example is:
s1: mixing glucuronolactone and acetaminophen according to the weight ratio of 3:1, then adding acetone which is 2 times of the total weight of the glucuronolactone, and stirring the mixture fully for later use;
s2: sending graphene into concentrated sulfuric acid for oxidation activation, and then washing with deionized water for 1 time to obtain activated graphene;
s3: adding activated graphene into the solution of S1 according to the weight ratio of 1:9, and stirring and mixing at a high speed of 100r/min for 10min to obtain the active reactant.
The preparation method of the outer layer modifier in the embodiment comprises the following steps: mixing 10 parts of silane coupling agent, 1 part of tridecyl octyl methacrylate and 1 part of hydrophobic silicon dioxide to prepare the outer layer modifier.
The preparation method of the hydrophobic silica of the present embodiment is: and (2) feeding the nano silicon dioxide into an ethanol solvent with the weight 2 times that of the nano silicon dioxide, then adding azodiisobutyronitrile accounting for 1% of the total weight of the nano silicon dioxide and butyl acrylate accounting for 10% of the total weight of the nano silicon dioxide, and stirring at the rotating speed of 100r/min for 20min to obtain the hydrophobic silicon dioxide.
The specific operation steps of the interfacial impregnant of the embodiment for impregnation treatment are as follows: mixing 10% nickel nitrate aqueous solution, 10% nickel nitrate aqueous solution sodium maleate and 5% uric acid to form an interface impregnant, soaking the inner package base paper layer and the outer package base paper layer into the interface impregnant, taking out the interface impregnant, sending the interface impregnant into a high-pressure tank for high-pressure treatment, finishing the treatment, drying the interface impregnant at the temperature of 60 ℃ for 10min, and finishing the treatment.
The pressure in the high-pressure tank in this example was 10MPa, and the degree of vacuum was 0.012 MPa.
Example 2.
The production process of the paper packaging bag comprises an inner packaging base paper layer, a blocking cementing layer and an outer packaging base paper layer; the inner package base paper layer and the outer package base paper layer are bonded through the separation cementing material of the separation cementing layer and are hot-pressed to form an integrated paper packaging bag;
the specific production process of the paper packaging bag comprises the following steps:
the method comprises the following steps: preparing an inner packaging base paper layer: bamboo fiber, polypropylene fiber, nano silver powder and a modified additive are matched and processed by a compression molding machine to obtain an inner packaging base paper layer;
step two: the preparation method of the barrier adhesive material comprises the following steps:
mixing modified bentonite and polyvinyl acetal according to a weight ratio of 1:2, adding 20% of active reactant of the total amount of the modified bentonite, and stirring at a rotating speed of 500r/min for 30min to obtain a barrier adhesive material;
step three: preparing an outer packaging base paper layer: immersing the existing base paper layer into an outer layer modifier, taking out and airing to obtain an outer packaging base paper layer;
step four: dipping the inner package base paper layer and the outer package base paper layer by adopting an interface dipping agent, and drying for later use;
step five: coating a barrier adhesive material between the dipped inner package base paper layer and the outer package base paper layer with the coating thickness of 3mm, and then adopting ultraviolet irradiation treatment, wherein the ultraviolet irradiation power is 300W, and the irradiation time is 10 min; and then carrying out hot pressing treatment at the hot pressing temperature of 95 ℃ and the hot pressing pressure of 5MPa, and cooling to the natural room temperature after the hot pressing is finished to obtain the paper packaging bag.
The specific preparation method of the inner package base paper layer in the embodiment comprises the following steps:
the method comprises the following steps: taking the bamboo fiber and the polypropylene fiber according to the weight ratio of 2:1, and then carrying out activation microscopic treatment;
step two: preparing nano silver powder: sending the nano silver powder into absolute ethyl alcohol for ultrasonic dispersion, wherein the dispersion power is 200W, and the dispersion time is 30 min;
step three: and (3) mixing 40 parts of the bamboo fiber treated in the step one, the polypropylene fiber, 5 parts of the nano silver powder and 3 parts of the modified additive at the mixing speed of 600r/min for 20min, then sending the mixture into a compression molding machine, and obtaining the inner packaging base paper layer through papermaking, vacuum squeezing dehydration and drying.
The specific operation steps of the activating micro-treatment in this example are: and (2) soaking the bamboo fibers and the polypropylene fibers in a hydrochloric acid solution for 20min at the soaking temperature of 55 ℃, then adding sodium dodecyl sulfate accounting for 5 percent of the total amount of the hydrochloric acid solution, continuously stirring for 10min, washing with water, and finally sending into a plasma box for treatment, wherein the treatment vacuum degree is 30Pa, the gas flow is 3L/min, the treatment power is 150W, and the treatment temperature is 3 ℃.
Modifying additives for this example: mixing chitosan, beta-cyclodextrin and polyethylene glycol according to the weight ratio of 2:1:1 to obtain the modified additive.
The modification method of the modified bentonite in this example is:
and (2) sending the bentonite into water for ultrasonic dispersion treatment, wherein the ultrasonic power is 700W, performing ultrasonic treatment for 20min, then calcining at 300 ℃ for 30min, then annealing to 150 ℃, continuing calcining for 20min, and after the calcining is finished, reducing the temperature to room temperature at the speed of 3 ℃/min to obtain the modified bentonite.
The preparation method of the active reactant of this example is:
s1: mixing glucuronolactone and acetaminophen according to the weight ratio of 3:1, then adding acetone which is 2 times of the total weight of the glucuronolactone, and stirring the mixture fully for later use;
s2: sending graphene into concentrated sulfuric acid for oxidation activation, and then washing for 3 times by using deionized water to obtain activated graphene;
s3: adding activated graphene into the solution of S1 according to the weight ratio of 1:9, and stirring and mixing at a high speed, wherein the stirring speed is 1000r/min, and the stirring time is 20min, so as to obtain the active reactant.
The preparation method of the outer layer modifier in the embodiment comprises the following steps: and mixing 20 parts of silane coupling agent, 5 parts of tridecyl octyl methacrylate and 3 parts of hydrophobic silica to prepare the outer-layer modifier.
The preparation method of the hydrophobic silica of the present embodiment is: and (2) feeding the nano silicon dioxide into an ethanol solvent with the weight 3 times that of the nano silicon dioxide, then adding azodiisobutyronitrile accounting for 5% of the total weight of the nano silicon dioxide and butyl acrylate accounting for 20% of the total weight of the nano silicon dioxide, and stirring at the rotating speed of 500r/min for 30min to obtain the hydrophobic silicon dioxide.
The specific operation steps of the interfacial impregnant of the embodiment for impregnation treatment are as follows: mixing a nickel nitrate aqueous solution with the mass fraction of 15%, sodium maleate with a nickel nitrate aqueous solution of 10% and uric acid of 5% to form an interface impregnant, soaking the inner package base paper layer and the outer package base paper layer into the interface impregnant, taking out the interface impregnant, sending the interface impregnant into a high-pressure tank for high-pressure treatment, finishing the treatment, drying the interface impregnant at the temperature of 70 ℃ for 20min, and finishing the treatment.
The pressure in the high-pressure tank of this example was 20MPa, and the vacuum degree was 0.015 MPa.
Example 3.
The production process of the paper packaging bag comprises an inner packaging base paper layer, a blocking cementing layer and an outer packaging base paper layer; the inner package base paper layer and the outer package base paper layer are bonded through the separation cementing material of the separation cementing layer and are hot-pressed to form an integrated paper packaging bag;
the specific production process of the paper packaging bag comprises the following steps:
the method comprises the following steps: preparing an inner packaging base paper layer: bamboo fiber, polypropylene fiber, nano silver powder and a modified additive are matched and processed by a compression molding machine to obtain an inner packaging base paper layer;
step two: the preparation method of the barrier adhesive material comprises the following steps:
mixing modified bentonite and polyvinyl acetal according to a weight ratio of 1:2, adding an active reactant accounting for 15% of the total weight of the modified bentonite, and stirring at a rotating speed of 300r/min for 25min to obtain a barrier adhesive material;
step three: preparing an outer packaging base paper layer: immersing the existing base paper layer into an outer layer modifier, taking out and airing to obtain an outer packaging base paper layer;
step four: dipping the inner package base paper layer and the outer package base paper layer by adopting an interface dipping agent, and drying for later use;
step five: coating a barrier adhesive material between the dipped inner package base paper layer and the outer package base paper layer with the coating thickness of 2mm, and then adopting ultraviolet irradiation treatment, wherein the ultraviolet irradiation power is 200W, and the irradiation time is 7.5 min; and then carrying out hot pressing treatment at the hot pressing temperature of 92.5 ℃ and the hot pressing pressure of 3MPa, and cooling to the natural room temperature after the hot pressing is finished to obtain the paper packaging bag.
The specific preparation method of the inner package base paper layer in the embodiment comprises the following steps:
the method comprises the following steps: taking the bamboo fiber and the polypropylene fiber according to the weight ratio of 2:1, and then carrying out activation microscopic treatment;
step two: preparing nano silver powder: sending the nano silver powder into absolute ethyl alcohol for ultrasonic dispersion, wherein the dispersion power is 150W, and the dispersion time is 25 min;
step three: and (3) mixing 35 parts of the bamboo fiber treated in the step one, the polypropylene fiber, 3 parts of the nano silver powder and 2 parts of the modified additive at the mixing speed of 450r/min for 15min, then sending the mixture into a compression molding machine, and obtaining the inner packaging base paper layer through papermaking, vacuum squeezing dehydration and drying.
The specific operation steps of the activating micro-treatment in this example are: the bamboo fiber and the polypropylene fiber are sent into a hydrochloric acid solution to be soaked for 15min, the soaking temperature is 50 ℃, the soaking is finished, then sodium dodecyl sulfate accounting for 3% of the total amount of the hydrochloric acid solution is added, the stirring is continued for 7.5min, the water washing is carried out, and finally the bamboo fiber and the polypropylene fiber are sent into a plasma box to be processed, wherein the processing vacuum degree is 25Pa, the gas flow is 2L/min, the processing power is 125W, and the processing temperature is 2 ℃.
Modifying additives for this example: mixing chitosan, beta-cyclodextrin and polyethylene glycol according to the weight ratio of 2:1:1 to obtain the modified additive.
The modification method of the modified bentonite in this example is:
and (2) sending the bentonite into water for ultrasonic dispersion treatment, wherein the ultrasonic power is 600W, performing ultrasonic treatment for 15min, calcining at 250 ℃ for 25min, then annealing to 125 ℃, continuing calcining for 15min, and cooling to room temperature at the speed of 2 ℃/min after calcining is finished to obtain the modified bentonite.
The preparation method of the active reactant of this example is:
s1: mixing glucuronolactone and acetaminophen according to the weight ratio of 3:1, then adding acetone which is 2 times of the total weight of the glucuronolactone, and stirring the mixture fully for later use;
s2: sending graphene into concentrated sulfuric acid for oxidation activation, and then washing with deionized water for 2 times to obtain activated graphene;
s3: adding activated graphene into the solution of S1 according to the weight ratio of 1:9, and stirring and mixing at a high speed of 500r/min for 15min to obtain the active reactant.
The preparation method of the outer layer modifier in the embodiment comprises the following steps: mixing 15 parts of silane coupling agent, 3 parts of tridecyl octyl methacrylate and 2 parts of hydrophobic silica to prepare the outer layer modifier.
The preparation method of the hydrophobic silica of the present embodiment is: and (2) feeding the nano silicon dioxide into an ethanol solvent with the weight 2.5 times that of the nano silicon dioxide, then adding azodiisobutyronitrile accounting for 3% of the total weight of the nano silicon dioxide and butyl acrylate accounting for 15% of the total weight of the nano silicon dioxide, and stirring at the rotating speed of 300r/min for 25min to obtain the hydrophobic silicon dioxide.
The specific operation steps of the interfacial impregnant of the embodiment for impregnation treatment are as follows: mixing a nickel nitrate aqueous solution with the mass fraction of 12.5%, sodium maleate with a nickel nitrate aqueous solution with the mass fraction of 10% and uric acid with the mass fraction of 5% to form an interface impregnant, soaking the inner package base paper layer and the outer package base paper layer into the interface impregnant, taking out the interface impregnant, sending the interface impregnant into a high-pressure tank for high-pressure treatment, finishing the treatment, drying the interface impregnant at the temperature of 65 ℃ for 15min, and finishing the treatment.
The pressure in the high-pressure tank in this example was 15MPa, and the vacuum degree was 0.0135 MPa.
Comparative example 1
The same material as in example 3, except that no modifying additive was added to the base paper layer of the inner wrapper.
Comparative example 2
The same material as in example 3, except that no activated graphene was added to the active reactant.
The bacteriostasis rate is tested according to the GB/T20944.3-2008 test standard: the oxygen transmission rate is tested according to the GB/T1038-2000 test standard
The products of examples 1-5 and comparative examples 1-2 were tested for performance and the results were as follows:
as can be seen from the performances of the examples 1-3 and the comparative examples 1-2, the product of the invention has excellent waterproof and barrier performances, and simultaneously, the added activated graphene and the modified additive can effectively modify the waterproof and barrier performances of the product.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A paper packaging bag production process is characterized by comprising an inner packaging base paper layer, a separation cementing layer and an outer packaging base paper layer; the inner package base paper layer and the outer package base paper layer are bonded through the separation cementing material of the separation cementing layer and are hot-pressed to form an integrated paper packaging bag;
the specific production process of the paper packaging bag comprises the following steps:
the method comprises the following steps: preparing an inner packaging base paper layer: bamboo fiber, polypropylene fiber, nano silver powder and a modified additive are matched and processed by a compression molding machine to obtain an inner packaging base paper layer;
step two: the preparation method of the barrier adhesive material comprises the following steps:
mixing modified bentonite and polyvinyl acetal according to the weight ratio of 1:2, then adding active reactant which is 10-20% of the total amount of the modified bentonite, and stirring at the rotating speed of 100-500r/min for 20-30min to obtain the barrier adhesive material;
step three: preparing an outer packaging base paper layer: immersing the existing base paper layer into an outer layer modifier, taking out and airing to obtain an outer packaging base paper layer;
step four: dipping the inner package base paper layer and the outer package base paper layer by adopting an interface dipping agent, and drying for later use;
step five: coating a barrier adhesive material between the dipped inner package base paper layer and the outer package base paper layer with the coating thickness of 1-3mm, and then adopting ultraviolet irradiation treatment with the ultraviolet irradiation power of 100-300W and the irradiation time of 5-10 min; and then carrying out hot pressing treatment at the hot pressing temperature of 90-95 ℃ and the hot pressing pressure of 1-5MPa, and cooling to the natural room temperature after the hot pressing is finished to obtain the paper packaging bag.
2. The paper packaging bag production process according to claim 1, wherein the inner packaging base paper layer is prepared by the following specific method:
the method comprises the following steps: taking the bamboo fiber and the polypropylene fiber according to the weight ratio of 2:1, and then carrying out activation microscopic treatment;
step two: preparing nano silver powder: sending the nano silver powder into absolute ethyl alcohol for ultrasonic dispersion, wherein the dispersion power is 100-200W, and the dispersion time is 20-30 min;
step three: and (3) mixing 30-40 parts of the bamboo fiber treated in the step one, the polypropylene fiber, 1-5 parts of nano silver powder and 1-3 parts of a modified additive at the mixing rotation speed of 300-600r/min for 10-20min, sending the mixture into a compression molding machine after mixing is finished, and obtaining the inner packaging base paper layer through paper making, vacuum squeezing dehydration and drying.
3. The paper packaging bag production process of claim 2, wherein the activating micro-treatment comprises the following specific operation steps: the bamboo fiber and the polypropylene fiber are sent into a hydrochloric acid solution to be soaked for 10-20min at the soaking temperature of 45-55 ℃, the soaking is finished, then sodium dodecyl sulfate accounting for 1-5% of the total amount of the hydrochloric acid solution is added, the stirring is continued for 5-10min, the washing is carried out, and finally the obtained product is sent into a plasma box to be treated, wherein the treatment vacuum degree is 20-30Pa, the gas flow is 1-3L/min, the treatment power is 100-150W, and the treatment temperature is 1-3 ℃.
4. The paper packaging bag production process of claim 2, wherein the modifying additive: mixing chitosan, beta-cyclodextrin and polyethylene glycol according to the weight ratio of 2:1:1 to obtain the modified additive.
5. The paper packaging bag production process of claim 1, wherein the modified bentonite is modified by the following steps:
and (2) sending the bentonite into water for ultrasonic dispersion treatment, wherein the ultrasonic power is 500-700W, performing ultrasonic treatment for 10-20min, calcining at the temperature of 200-300 ℃ for 20-30min, then annealing to the temperature of 100-150 ℃, continuing calcining for 10-20min, finishing calcining, and reducing the temperature to the room temperature at the speed of 1-3 ℃/min to obtain the modified bentonite.
6. The paper packaging bag production process of claim 1, wherein the preparation method of the active reactant is as follows:
s1: mixing glucuronolactone and acetaminophen according to the weight ratio of 3:1, then adding acetone which is 2 times of the total weight of the glucuronolactone, and stirring the mixture fully for later use;
s2: sending graphene into concentrated sulfuric acid for oxidation activation, and then washing with deionized water for 1-3 times to obtain activated graphene;
s3: adding the activated graphene into the solution of S1 according to the weight ratio of 1:9, and stirring and mixing at a high speed of 100-1000r/min for 10-20min to obtain the active reactant.
7. The paper packaging bag production process of claim 1, wherein the outer layer modifier is prepared by the following steps: mixing 10-20 parts of silane coupling agent, 1-5 parts of tridecyl methacrylate and 1-3 parts of hydrophobic silicon dioxide to prepare the outer layer modifier.
8. The paper packaging bag production process of claim 7, wherein the preparation method of the hydrophobic silica comprises the following steps: the nano silicon dioxide is sent into an ethanol solvent with the weight 2-3 times of that of the nano silicon dioxide, then azodiisobutyronitrile accounting for 1-5 percent of the total weight of the nano silicon dioxide and butyl acrylate accounting for 10-20 percent of the total weight of the nano silicon dioxide are added, and the mixture is stirred for 20-30min at the rotating speed of 100-500r/min, so as to obtain the hydrophobic silicon dioxide.
9. The paper packaging bag production process according to claim 1, wherein the specific operation steps of the interfacial impregnant for impregnation treatment are as follows: mixing 10-15% of nickel nitrate aqueous solution, 10% of nickel nitrate aqueous solution of sodium maleate and 5% of uric acid to form an interface impregnant, soaking the inner package base paper layer and the outer package base paper layer into the interface impregnant, taking out the interface impregnant, sending the interface impregnant into a high-pressure tank for high-pressure treatment, drying the interface impregnant at 60-70 ℃ for 10-20min after the treatment is finished, and obtaining the paper.
10. The process for producing a paper packaging bag according to claim 9, wherein the pressure in the high-pressure tank is 10 to 20MPa, and the vacuum degree is 0.012 to 0.015 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111137715.8A CN113895127B (en) | 2021-09-27 | 2021-09-27 | Production process of paper packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111137715.8A CN113895127B (en) | 2021-09-27 | 2021-09-27 | Production process of paper packaging bag |
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Citations (6)
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| JP2000006304A (en) * | 1998-04-24 | 2000-01-11 | Toppan Printing Co Ltd | Barrier laminate, packaging material using the same, and package using packaging material |
| CN105189575A (en) * | 2013-05-21 | 2015-12-23 | 太阳化学公司 | Acetalized polyvinyl alcohol barrier coatings |
| CN107531381A (en) * | 2015-05-28 | 2018-01-02 | 凸版印刷株式会社 | Stacked film and packaging bag |
| CN108456360A (en) * | 2018-04-28 | 2018-08-28 | 常德金德新材料科技股份有限公司 | It is a kind of can antibacterial high-barrier food Package film and preparation method thereof |
| CN110284371A (en) * | 2019-06-26 | 2019-09-27 | 安徽顺彤包装材料有限公司 | A kind of environment-friendly high is every wrapping paper and preparation method thereof |
| CN110387771A (en) * | 2019-06-21 | 2019-10-29 | 周西 | A kind of preparation method of anti-moisture absorption type high-barrier food packaging paper material |
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2021
- 2021-09-27 CN CN202111137715.8A patent/CN113895127B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000006304A (en) * | 1998-04-24 | 2000-01-11 | Toppan Printing Co Ltd | Barrier laminate, packaging material using the same, and package using packaging material |
| CN105189575A (en) * | 2013-05-21 | 2015-12-23 | 太阳化学公司 | Acetalized polyvinyl alcohol barrier coatings |
| CN107531381A (en) * | 2015-05-28 | 2018-01-02 | 凸版印刷株式会社 | Stacked film and packaging bag |
| CN108456360A (en) * | 2018-04-28 | 2018-08-28 | 常德金德新材料科技股份有限公司 | It is a kind of can antibacterial high-barrier food Package film and preparation method thereof |
| CN110387771A (en) * | 2019-06-21 | 2019-10-29 | 周西 | A kind of preparation method of anti-moisture absorption type high-barrier food packaging paper material |
| CN110284371A (en) * | 2019-06-26 | 2019-09-27 | 安徽顺彤包装材料有限公司 | A kind of environment-friendly high is every wrapping paper and preparation method thereof |
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Denomination of invention: Production process of paper packaging bag Effective date of registration: 20221017 Granted publication date: 20220415 Pledgee: Longgang Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Wenzhou Chenglong paper plastic products Co.,Ltd. Registration number: Y2022330002659 |
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Granted publication date: 20220415 Pledgee: Longgang Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Wenzhou Chenglong paper plastic products Co.,Ltd. Registration number: Y2022330002659 |
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Denomination of invention: A Production Process for Paper Packaging Bags Granted publication date: 20220415 Pledgee: Longgang Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Wenzhou Chenglong paper plastic products Co.,Ltd. Registration number: Y2024330000145 |