CN113529410A - Production process and sealing method of collagen packaging film - Google Patents
Production process and sealing method of collagen packaging film Download PDFInfo
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- CN113529410A CN113529410A CN202110650408.3A CN202110650408A CN113529410A CN 113529410 A CN113529410 A CN 113529410A CN 202110650408 A CN202110650408 A CN 202110650408A CN 113529410 A CN113529410 A CN 113529410A
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- collagen
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- packaging film
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- 102000008186 Collagen Human genes 0.000 title claims abstract description 94
- 108010035532 Collagen Proteins 0.000 title claims abstract description 94
- 229920001436 collagen Polymers 0.000 title claims abstract description 94
- 239000012785 packaging film Substances 0.000 title claims abstract description 37
- 229920006280 packaging film Polymers 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000004898 kneading Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 8
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 7
- 238000010096 film blowing Methods 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 150000004676 glycans Chemical class 0.000 claims description 4
- 238000002386 leaching Methods 0.000 claims description 4
- 229920001282 polysaccharide Polymers 0.000 claims description 4
- 239000005017 polysaccharide Substances 0.000 claims description 4
- 239000002671 adjuvant Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract description 8
- 239000010408 film Substances 0.000 description 67
- 239000010410 layer Substances 0.000 description 33
- 238000004132 cross linking Methods 0.000 description 11
- 239000012528 membrane Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005406 washing Methods 0.000 description 4
- 235000011194 food seasoning agent Nutrition 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 1
- PMMYEEVYMWASQN-DMTCNVIQSA-N Hydroxyproline Chemical compound O[C@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-DMTCNVIQSA-N 0.000 description 1
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 description 1
- 235000004279 alanine Nutrition 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- PMMYEEVYMWASQN-UHFFFAOYSA-N dl-hydroxyproline Natural products OC1C[NH2+]C(C([O-])=O)C1 PMMYEEVYMWASQN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229960002591 hydroxyproline Drugs 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 235000008446 instant noodles Nutrition 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 235000013622 meat product Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000009103 reabsorption Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- FGMPLJWBKKVCDB-UHFFFAOYSA-N trans-L-hydroxy-proline Natural products ON1CCCC1C(O)=O FGMPLJWBKKVCDB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/12—Aldehydes; Ketones
- D06M13/123—Polyaldehydes; Polyketones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
-
- 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
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/14—Collagen fibres
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials For Medical Uses (AREA)
- Processing Of Meat And Fish (AREA)
- Wrappers (AREA)
Abstract
The invention relates to the technical field of collagen film production, in particular to a production process and a sealing method of a collagen packaging film. The production process comprises the following steps: (1) dicing, acidifying and cleaning the ox second-layer skin; (2) rolling into sheets by a defibrator to obtain collagen fibers; (3) mixing collagen fibers with auxiliary materials, kneading to obtain a collagen cluster, and cooling; (4) blowing collagen clusters into a tubular film by an extruder head, dragging the tubular film to move forwards by a roller, sequentially passing through a drying area 1, a liquid spraying area, an air ring area and a drying area 2, and winding an upper wheel to obtain the tubular film; (5) and (4) placing a wheel, cutting the tubular film into a layered film along a folding direction, and winding the layered film on the wheel. The packaging film prepared by the invention solves the problem of difficult sealing, and expands the application field of the collagen packaging film; meanwhile, the invention also provides a simple and easy-to-operate method for sealing the collagen packaging film.
Description
Technical Field
The invention relates to the technical field of collagen film production, in particular to a production process and a sealing method of a collagen packaging film.
Background
There are many documents on the production of collagen packaging films or collagen casings, and collagen films are very rare on the market as a packing material except for the mass production of collagen casings. The main reason is that unlike PE films, collagen films are particularly difficult to seal, almost impossible to seal. At present, rolled collagen films are occasionally seen abroad for wrapping meat products and then fixed with a wire mesh.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the production process of the collagen packaging film is provided, the design is scientific and reasonable, the prepared packaging film solves the problem of difficult sealing, and the application field of the collagen packaging film is expanded; meanwhile, the invention also provides a simple and easy-to-operate method for sealing the collagen packaging film.
The production process of the collagen packaging film comprises the following steps:
(1) cutting ox second layer skin into pieces (about 2cm in size), acidifying with acid solution at pH of 1.0-3.0 and acidification temperature of 15-20 deg.C for 1-3 days, cleaning, and washing to remove fibrous stroma.
(2) And (4) rolling the acidified leather material into a sheet by a defibrator to obtain the collagen fiber.
(3) Mixing and kneading collagen fiber and adjuvants, wherein the adjuvants are plant polysaccharide, cellulose, glycerol, etc., and cooling the obtained collagen cluster to 0-10 deg.C.
(4) Collagen passes through the extruder head, and through inside swivel sleeve with collagen fiber alternately weave into two-layer, breaks away from behind the swivel sleeve at center pin department complex operation, and the centre lets in air, becomes the tubulose membrane with the collagen group blowing. The blowing principle is that the machine head rotates to be crossed and woven into two layers, and air is introduced into the middle of the machine head to maintain the stability of the caliber. The tubular film is dragged by the roller to move forwards and sequentially passes through a drying area 1 (the film is pre-dried), a liquid spraying area (the strength is increased by film crosslinking), an air ring area (the tubular film passes through an air ring to blow away the sprayed liquid on the surface of the film) and a drying area 2 (the tubular film is further dried by hot air until the moisture content of the film is 18-25 wt%). The upper wheel is wound again, this time a tubular film.
(5) And (4) placing a wheel, cutting the tubular film into a layered film along a folding direction, and winding the layered film on the wheel.
In the step (1), the acid used for acidification is citric acid, hydrochloric acid or lactic acid.
The key technology in the invention is as follows:
firstly, a blowing machine head: the membrane woven by the machine head is double-layer;
concentration of the drenching liquid: the concentration of the glutaraldehyde is 0.1-0.2 wt%, the cross-linking agent with the concentration is selected to be sprayed on the tubular film, the surface of the film can be quickly cross-linked, so that the surface cross-linking is excessive, and the permeation of the spraying liquid to the inner layer of the film is small;
③ blowing speed: when the collagen clusters are blown into a tubular film, the film blowing speed is 50-100m/min, and the film blowing speed determines the retention time of the drenching liquid on the tubular film;
distance between the wind ring and the liquid spraying area: the air ring is used for blowing away the drenching liquid, so that the reabsorption of the film on the drenching liquid is reduced, and the further crosslinking and infiltration of the drenching liquid are avoided; the distance between the wind ring and the drenching liquid is 1-5 m.
The blowing head used in the present invention is of a construction known to those skilled in the art and is available in the 26# model manufactured by Cangzhou Qinghui hardware products, Inc.
The inner surface (the inner layer of the tubular membrane) of the collagen packaging membrane is opposite, and the edges are pressed by a packaging machine, the heating temperature is 120-180 ℃, and the edge pressing time is 2-20 s.
The principle of the collagen packaging film sealing is as follows:
the film prepared by the process is subjected to tearing two-layer test, the inner layer and the outer layer are soaked in hot water to detect the tensile force, the tensile force value of the outer layer is large, the inner layer is sticky, the tensile force value is small (the inner layer is slightly sticky when being touched due to poor crosslinking), the outer layer is obviously thinner than the inner layer, and the outer layer is more liquid-drenched and better crosslinked.
The outer layer of the collagen packaging film has good crosslinking, and has good air and oil barrier properties. (the tubular structure is subjected to an oil filling test and is left overnight, and oil is not exuded and can be completely used for packaging oil bags, seasoning bags and the like).
Because the inner layer crosslinking nature of the collagen packaging film is poor, the inner surfaces of the collagen films are opposite by utilizing the principle that the collagen is denatured by heat, and the parameters are set as follows after the edges of the packaging machine are pressed: the heating temperature is 120-.
The tearing test of the bonding force needs 3N force and can bear 300g, and the proper product can be selected according to the bearing force.
Compared with the prior art, the invention has the following beneficial effects:
(1) the production process of the collagen packaging film provided by the invention is scientific and reasonable in design, the prepared packaging film solves the problem of difficult sealing, and the application field of the collagen packaging film is expanded;
(2) when the prepared packaging film is applied to certain fields, such as instant noodle seasoning bags and oil bags, the collagen packaging bag can also be placed in water for boiling after the seasoning is poured out, part of collagen can be dissolved out and gelatinized, 18 amino acids needed by human bodies, such as alanine, glycine, hydroxyproline and the like, have higher nutritional value, can be used as thick soup, and can also play an auxiliary role in forming products, such as meat jelly and the like;
(3) the invention also provides a simple and easy-to-operate method for sealing the collagen packaging film.
Detailed Description
The present invention is further illustrated by the following examples.
The blowing head used in the invention is 26#, and is processed by Cangzhou Qinghui hardware products, Inc.
Example 1
A production process of a collagen packaging film comprises the following steps:
(1) cutting ox second layer skin into pieces (size 2cm), acidifying with citric acid, acidifying with acid solution pH of 1.0 and acidification temperature of 18 deg.C for 48 hr, cleaning, and washing to remove interstitial substance.
(2) And (4) rolling the acidified leather material into a sheet by a defibrator to obtain the collagen fiber.
(3) Mixing and kneading the collagen fiber and the plant polysaccharide, wherein the auxiliary material is the plant polysaccharide, and cooling the collagen cluster obtained by mixing and kneading to 8 +/-2 ℃.
(4) Collagen passes through the extruder head, collagen fibers are crossed and woven into two layers through the inner rotating sleeve, the two layers are separated from the rotating sleeve and then compositely run at the central shaft, air is introduced into the middle of the rotating sleeve to maintain the stability of the caliber, collagen clusters are blown into tubular films, and the film blowing speed is 50 m/min. The tubular film is dragged by a roller to move forwards and sequentially passes through a drying area 1 (the film is pre-dried), a liquid spraying area (the strength is increased by film crosslinking, the concentration of used spraying liquid glutaraldehyde is 0.1 wt%), an air ring area (the tubular film passes through an air ring, the spraying liquid on the surface of the film is blown away, the distance between the air ring and the spraying liquid is 1m), and a drying area 2 (the tubular film is further dried by hot air until the moisture content of the film is 20 wt%). The upper wheel is wound again, this time a tubular film.
(5) And (4) placing a wheel, cutting the tubular film into a layered film along a folding direction, and winding the layered film on the wheel.
Example 2
A production process of a collagen packaging film comprises the following steps:
(1) cutting ox second layer skin into pieces (size 2cm), acidifying with hydrochloric acid, acidifying with acid solution pH of 3.0 and acidification temperature of 15 deg.C for 24 hr, cleaning, and washing to remove fibrous stroma.
(2) And (4) rolling the acidified leather material into a sheet by a defibrator to obtain the collagen fiber.
(3) Mixing and kneading collagen fiber and cellulose, wherein the auxiliary material is cellulose, and cooling the collagen cluster obtained by mixing and kneading to 5 +/-1 ℃.
(4) Collagen passes through the extruder head, collagen fibers are crossed and woven into two layers through the inner rotating sleeve, the two layers are separated from the rotating sleeve and then compositely run at the central shaft, air is introduced into the middle of the rotating sleeve to maintain the stability of the caliber, collagen clusters are blown into tubular films, and the film blowing speed is 65 m/min. The tubular film is dragged by a roller to move forwards and sequentially passes through a drying area 1 (the film is pre-dried), a liquid spraying area (the strength is increased by film crosslinking, the concentration of used spraying liquid glutaraldehyde is 0.2 wt%), an air ring area (the tubular film passes through an air ring, the spraying liquid on the surface of the film is blown away, the distance between the air ring and the spraying liquid is 5m), and a drying area 2 (the tubular film is further dried by hot air until the moisture content of the film is 20 wt%). The upper wheel is wound again, this time a tubular film.
(5) And (4) placing a wheel, cutting the tubular film into a layered film along a folding direction, and winding the layered film on the wheel.
Example 3
A production process of a collagen packaging film comprises the following steps:
(1) cutting ox second layer skin into pieces (size 2cm), acidifying with lactic acid, acidifying with acid solution pH of 2.0 at 20 deg.C for 72 hr, cleaning, and washing to remove fibrous stroma.
(2) And (4) rolling the acidified leather material into a sheet by a defibrator to obtain the collagen fiber.
(3) Mixing and kneading collagen fiber and glycerol, wherein the auxiliary material is glycerol, and cooling the collagen cluster obtained by mixing and kneading to 3 +/-1 ℃.
(4) Collagen passes through the extruder head, collagen fibers are crossed and woven into two layers through the inner rotating sleeve, the two layers are separated from the rotating sleeve and then compositely run at the central shaft, air is introduced into the middle of the rotating sleeve to maintain the stability of the caliber, collagen clusters are blown into tubular films, and the film blowing speed is 100 m/min. The tubular film is dragged by a roller to move forwards and sequentially passes through a drying area 1 (the film is pre-dried), a liquid spraying area (the strength is increased by film crosslinking, the concentration of used spraying liquid glutaraldehyde is 0.15 wt%), an air ring area (the tubular film passes through an air ring, the spraying liquid on the surface of the film is blown away, the distance between the air ring and the spraying liquid is 3m), and a drying area 2 (the tubular film is further dried by hot air until the moisture content of the film is 20 wt%). The upper wheel is wound again, this time a tubular film.
(5) And (4) placing a wheel, cutting the tubular film into a layered film along a folding direction, and winding the layered film on the wheel.
Comparative example 1
The other process parameters and steps were the same as in example 3, except that:
the concentration of the leaching solution glutaraldehyde used in the leaching solution area is 0.5 wt%.
Comparative example 2
The other process parameters and steps were the same as in example 3, except that:
when the collagen mass was blown into a tubular film, the film blowing speed was 30 m/min.
Comparative example 3
The other process parameters and steps were the same as in example 3, except that:
the distance between the wind ring and the drenching liquid is 6 m.
The collagen packaging film obtained by the process of the invention and the comparative example was subjected to a tear-open two-layer test, and the tension was measured for the inner and outer layer blisters with hot water, respectively, with the results shown in table 1.
And (3) detection process: the collagen membrane is torn into two layers (namely, a single layer membrane cut from the tubular thin film can be torn again), small strips with the length and the width of 120mm multiplied by 15mm are respectively cut along the longitudinal direction to be used as a sample, the sample is placed in hot water with the temperature of 80 ℃ for soaking for 5 minutes, and the sample is taken out and wiped to dry the surface moisture to be measured.
Adjusting the clamping distance of a tension tester to be 100mm, clamping the prepared collagen membrane sample soaked with superheated water in a clamping head, performing tension test on the clamping head at the speed of 100mm/min, detecting 10 data, and taking the arithmetic mean of the data.
The test procedure is based on the SB/T10373 collagen casing standard, but differs from the SB/T10373 standard in which the membrane is soaked in normal temperature water. We have improved that soaking in hot water is believed to more fully reflect the crosslinking properties of collagen membranes. Since collagen is decomposed by heat, the crosslinked collagen film exhibits better heat resistance.
TABLE 1
As can be seen from table 1, the tension of the outer layer of the collagen film is significantly higher than that of the comparative example, indicating that the degree of crosslinking is better, the outer surface of the film is firmer, and the tension of the inner layer is significantly lower than that of the outer layer and lower than that of the film in the comparative example, so that the collagen is more easily thermally denatured and bonded together when the inner layer is hermetically packaged relatively.
The collagen packaging films obtained by the process of the invention and the comparative example were respectively sealed and tested for adhesion, and the results are shown in table 2.
The adhesion force of the seal is detected according to a QB/T2358 plastic film package heat seal strength test method, and a sample is taken randomly in a direction vertical to a heat seal position. The width of the sample is 15mm, the unfolded length is 100mm, the two ends of the sample are clamped on two clamps of a tensile machine, the distance between the clamps is 50mm, the speed of the sample is 300mm/min, and the maximum force value of the sample when the sample breaks from the bonding position is read.
TABLE 2
The collagen film is not detected to have residual glutaraldehyde, so that the collagen film can be used for packaging food safely, and can be used for packaging articles smaller than 300g according to the bearing capacity.
Claims (10)
1. A production process of a collagen packaging film is characterized by comprising the following steps: the method comprises the following steps:
(1) dicing, acidifying and cleaning the ox second-layer skin;
(2) rolling the acidified and cleaned leather into a sheet by a defibrator to obtain collagen fibers;
(3) mixing and kneading the collagen fibers and the auxiliary materials to obtain a collagen cluster, and then cooling the collagen cluster;
(4) collagen passes through an extruder head, collagen fibers are woven into two layers through an internal rotating sleeve in a crossed mode, the two layers are separated from the rotating sleeve and then run in a compounding mode at a central shaft, air is introduced into the middle of the rotating sleeve, collagen clusters are blown into a tubular film, then the tubular film is dragged to run forwards through a roller, sequentially passes through a drying area 1, a liquid spraying area, an air ring area and a drying area 2, and then the tubular film is wound on wheels to obtain the tubular film.
(5) And (5) placing a wheel, cutting the tubular film into a layered film along a folding direction, and winding the layered film on the upper wheel.
2. The process for producing a collagen packaging film according to claim 1, wherein: in the step (1), the acid used for acidification is citric acid, hydrochloric acid or lactic acid, and the pH value is 1.0-3.0.
3. The process for producing a collagen packaging film according to claim 1, wherein: acidifying at 15-20 deg.C for 1-3 days.
4. The process for producing a collagen packaging film according to claim 1, wherein: the adjuvant is plant polysaccharide, cellulose or glycerol.
5. The process for producing a collagen packaging film according to claim 1, wherein: cooling the collagen clusters to 0-10 deg.C.
6. The process for producing a collagen packaging film according to claim 1, wherein: after passing through the drying zone 2, the film is dried to a moisture content of 18 to 25 wt%.
7. The process for producing a collagen packaging film according to claim 1, wherein: the concentration of the leaching liquid glutaraldehyde used in the leaching liquid area is 0.1-0.2 wt%.
8. The process for producing a collagen packaging film according to claim 1, wherein: when the collagen clusters are blown into tubular films, the film blowing speed is 50-100 m/min.
9. The process for producing a collagen packaging film according to claim 1, wherein: in the wind ring area, the distance between the wind ring and the drenching liquid is 1-5 m.
10. A method for sealing a collagen packaging film according to any one of claims 1 to 9, wherein: and (3) enabling the inner surfaces of the collagen packaging films to be opposite, and pressing the edges by a packaging machine, wherein the heating temperature is 120-180 ℃, and the edge pressing time is 2-20 s.
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| CN202110650408.3A CN113529410A (en) | 2021-06-09 | 2021-06-09 | Production process and sealing method of collagen packaging film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110650408.3A CN113529410A (en) | 2021-06-09 | 2021-06-09 | Production process and sealing method of collagen packaging film |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069526A (en) * | 2007-06-06 | 2007-11-14 | 钟勇 | Method for producing large diameter collagen sausage casing with reinforced skeleton structure |
| JP2012024253A (en) * | 2010-07-22 | 2012-02-09 | Nipro Corp | Collagen film and method for producing the same |
| CN104430787A (en) * | 2014-11-20 | 2015-03-25 | 广西大学 | Fish skin collagen casing and preparation method thereof |
| CN105145781A (en) * | 2015-08-06 | 2015-12-16 | 梧州神冠蛋白肠衣有限公司 | Preparation method of collagen sausage casing |
-
2021
- 2021-06-09 CN CN202110650408.3A patent/CN113529410A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069526A (en) * | 2007-06-06 | 2007-11-14 | 钟勇 | Method for producing large diameter collagen sausage casing with reinforced skeleton structure |
| JP2012024253A (en) * | 2010-07-22 | 2012-02-09 | Nipro Corp | Collagen film and method for producing the same |
| CN104430787A (en) * | 2014-11-20 | 2015-03-25 | 广西大学 | Fish skin collagen casing and preparation method thereof |
| CN105145781A (en) * | 2015-08-06 | 2015-12-16 | 梧州神冠蛋白肠衣有限公司 | Preparation method of collagen sausage casing |
Non-Patent Citations (1)
| Title |
|---|
| 李国英等: "《胶原化学》", 30 April 2013, 中国轻工业出版社 * |
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Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |