CN109370184A - A kind of environmental protection aseptic packaging film - Google Patents

A kind of environmental protection aseptic packaging film Download PDF

Info

Publication number
CN109370184A
CN109370184A CN201811267888.XA CN201811267888A CN109370184A CN 109370184 A CN109370184 A CN 109370184A CN 201811267888 A CN201811267888 A CN 201811267888A CN 109370184 A CN109370184 A CN 109370184A
Authority
CN
China
Prior art keywords
parts
packaging film
aseptic packaging
environmentally friendly
film according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811267888.XA
Other languages
Chinese (zh)
Inventor
姚何兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jingle Plastic Industry Co Ltd
Original Assignee
Anhui Jingle Plastic Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Jingle Plastic Industry Co Ltd filed Critical Anhui Jingle Plastic Industry Co Ltd
Priority to CN201811267888.XA priority Critical patent/CN109370184A/en
Publication of CN109370184A publication Critical patent/CN109370184A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/08—Cellulose derivatives
    • C08J2401/26—Cellulose ethers
    • C08J2401/28—Alkyl ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/04—Alginic acid; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of environmentally friendly aseptic packaging films, and raw material includes: 70-90 parts of polylactic acid, 50-80 parts of polyvinyl alcohol, 12-25 parts of polyvinyl chloride, 8-12 parts of white carbon blacks, 10-20 parts of modified montmorillonoids, 5-9 parts of titanium dioxide, 3-7 parts of silica, 10-16 parts of glycerol, 2-4 parts of methylcellulose, 1-2 parts of calcium alginates, 80-200 parts of water by weight；Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, acetic acid, hydrochloric acid, distilled water.Environmentally friendly aseptic packaging film of the invention has good anti-microbial property, mechanical performance and biological degradability, reduces the pollution to environment.

Description

A kind of environmental protection aseptic packaging film
Technical field
The present invention relates to packaging technical field of membrane, and in particular to a kind of environmental protection aseptic packaging film.
Background technique
Harmful microorganism in nature seriously threatens always the general level of the health of the mankind, and the whole world has millions of every year People dies of bacterium infection.Therefore, the research of antibacterial agent and antibacterial product is increasingly paid attention in countries in the world.It is ripe to talk about that " disease is from mouth Enter ", food is the best place of all kinds of microbial reproductions, once packaging is improper, it is easy to and bacterium is bred, therefore is badly in need of exploitation tool The packaging film of standby anti-microbial property.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of environmentally friendly aseptic packaging films, have good Anti-microbial property, mechanical performance and biological degradability, it is possible to reduce the pollution to environment.
The invention proposes a kind of environmentally friendly aseptic packaging films, and raw material includes: 60-80 parts of polylactic acid, 50-70 by weight Part polyvinyl alcohol, 30-50 parts of starch, 12-25 parts of polyvinyl chloride, 10-15 parts of white carbon blacks, 10-20 parts of modified montmorillonoids, 5-9 parts Titanium dioxide, 3-7 part silica, 10-16 parts of glycerol, 2-4 parts of methylcellulose, 1-2 parts of calcium alginates, 80-200 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, vinegar Acid, hydrochloric acid, distilled water.
Preferably, the white carbon black, modified montmorillonoid, titanium dioxide, silica weight ratio be 11-14:13-17: 6-8:4-6.
Preferably, the polylactic acid, polyvinyl alcohol, starch, polyvinyl chloride, modified montmorillonoid weight ratio be 65-75: 54-62:35-45:15-22:13-17.
Preferably, the montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate weight ratio be 30-40:2-6:3- 5:2-4.
Preferably, the preparation process of the modified montmorillonoid is as follows:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, with salt acid for adjusting pH value, stirring is anti- It answers, stands, filter, wash, it is dry, obtain material A；
S2, chitosan, calcium propionate, acetum are mixed, is stirred at room temperature, material A is added, stir, be centrifuged, does It is dry, modified montmorillonoid can be obtained.
Preferably, the w/v (g/mL) of the chitosan and acetum is 0.2-0.3:46-55.
Preferably, in S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, with salt acid for adjusting pH Value is stirred to react 3-5h at 55-70 DEG C, stands 1-2h, and filtering washs sediment 3-4 times with distilled water, dry, obtains Material A.
Preferably, adjusting pH value is 2-3.
Preferably, the temperature of the drying is 60-65 DEG C, drying time 5-10h.
Preferably, in S2, the acetum of chitosan, calcium propionate, 1-2% is mixed, 1-2h is stirred at room temperature, be added Material A, 50-65 DEG C at a temperature of stir 2-4h, be centrifuged, it is dry, modified montmorillonoid can be obtained.
Preferably, the temperature of the drying is 70-75 DEG C, drying time 5-8h.
Environmentally friendly aseptic packaging film of the invention is made using the preparation method of this field routine.
Environmentally friendly aseptic packaging film of the invention, using ingredients such as polylactic acid, polyvinyl alcohol, starch, polyvinyl chloride as base Material, polylactic acid and starch addition allow environmentally friendly aseptic packaging film biodegradable, reduce the pollution to environment, also addition hard charcoal The raw materials such as black, modified montmorillonoid, titanium dioxide, silica, glycerol, methylcellulose, calcium alginate can not only promote each It is dispersed between raw material, also make environmentally friendly aseptic packaging film that there is good anti-microbial property, mechanical performance and water resistance.This hair The modified montmorillonoid of bright addition is first modified processing to its surface using dodecyl sodium sulfate, is conducive to chitosan, third The absorption of sour calcium, modified montmorillonoid obtained not only have good compatibility between other raw materials in system, additionally it is possible to Discharge the antibacterial agents such as chitosan, calcium propionate constantly to inhibit the growth of microorganism；Modified montmorillonoid and titanium dioxide collocation use, The antibacterial period can be extended, widen antimicrobial spectrum, enhance the antibacterial effect of packaging film；Add calcium alginate, glycerol, methylcellulose It is used in conjunction with modified montmorillonoid, the compatibility between raw material can be enhanced, wherein the biology of packaging film also can be improved in calcium alginate Degradability.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of environmental protection aseptic packaging film, raw material include: 80 parts of polylactic acid, 50 parts of polyvinyl alcohol, 50 parts of shallow lakes by weight Powder, 12 parts of polyvinyl chloride, 15 parts of white carbon blacks, 10 parts of modified montmorillonoids, 9 parts of titanium dioxide, 3 parts of silica, 16 parts of glycerol, 2 Part methylcellulose, 2 parts of calcium alginates, 80 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, vinegar Acid, hydrochloric acid, distilled water；The montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate weight ratio be 40:2:5:2；
The preparation process of the modified montmorillonoid is as follows:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, be 3 with salt acid for adjusting pH value, 55 It is stirred to react 5h at DEG C, stands 1h, filtering washs sediment 4 times with distilled water, is placed at 60 DEG C dry 10h, obtains material A；
S2, by chitosan, calcium propionate, 1% acetum mix, be stirred at room temperature 2h, material A be added, at 50 DEG C At a temperature of stir 4h, be centrifuged, dry 8h, can be obtained modified montmorillonoid at 70 DEG C；
The w/v (g/mL) of the chitosan and acetum is 0.2:55.
Embodiment 2
A kind of environmental protection aseptic packaging film, raw material include: 60 parts of polylactic acid, 70 parts of polyvinyl alcohol, 30 parts of shallow lakes by weight Powder, 25 parts of polyvinyl chloride, 10 parts of white carbon blacks, 20 parts of modified montmorillonoids, 5 parts of titanium dioxide, 7 parts of silica, 10 parts of glycerol, 4 Part methylcellulose, 1 part of calcium alginate, 200 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, vinegar Acid, hydrochloric acid, distilled water；The montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate weight ratio be 30:6:3:4；
The preparation process of the modified montmorillonoid is as follows:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, be 2 with salt acid for adjusting pH value, 70 It is stirred to react 3h at DEG C, stands 2h, filtering washs sediment 3 times with distilled water, is placed at 65 DEG C dry 5h, obtains material A；
S2, by chitosan, calcium propionate, 2% acetum mix, be stirred at room temperature 1h, material A be added, at 65 DEG C At a temperature of stir 2h, be centrifuged, dry 5h, can be obtained modified montmorillonoid at 75 DEG C；
The w/v (g/mL) of the chitosan and acetum is 0.3:46.
Embodiment 3
A kind of environmental protection aseptic packaging film, raw material include: 75 parts of polylactic acid, 54 parts of polyvinyl alcohol, 45 parts of shallow lakes by weight Powder, 15 parts of polyvinyl chloride, 14 parts of white carbon blacks, 13 parts of modified montmorillonoids, 8 parts of titanium dioxide, 4 parts of silica, 15 parts of glycerol, 2.5 parts of methylcellulose, 1.6 parts of calcium alginates, 100 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, vinegar Acid, hydrochloric acid, distilled water；The montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate weight ratio be 38:3:5:2；
The preparation process of the modified montmorillonoid is as follows:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, be 3 with salt acid for adjusting pH value, 66 It is stirred to react 3.5h at DEG C, stands 1h, filtering washs sediment 4 times with distilled water, is placed at 64 DEG C dry 6h, obtains object Expect A；
S2, by chitosan, calcium propionate, 1% acetum mix, be stirred at room temperature 2h, material A be added, at 62 DEG C At a temperature of stir 2.5h, be centrifuged, dry 7h, can be obtained modified montmorillonoid at 71 DEG C；
The w/v (g/mL) of the chitosan and acetum is 0.3:49.
Embodiment 4
A kind of environmental protection aseptic packaging film, raw material include: 65 parts of polylactic acid, 62 parts of polyvinyl alcohol, 35 parts of shallow lakes by weight Powder, 22 parts of polyvinyl chloride, 11 parts of white carbon blacks, 17 parts of modified montmorillonoids, 6 parts of titanium dioxide, 6 parts of silica, 12 parts of glycerol, 3.5 parts of methylcellulose, 1.2 parts of calcium alginates, 160 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, vinegar Acid, hydrochloric acid, distilled water；The montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate weight ratio be 33:5:3:4；
The preparation process of the modified montmorillonoid is as follows:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, be 2 with salt acid for adjusting pH value, 60 It is stirred to react 4.5h at DEG C, stands 2h, filtering washs sediment 3 times with distilled water, is placed at 62 DEG C dry 9h, obtains object Expect A；
S2, by chitosan, calcium propionate, 2% acetum mix, be stirred at room temperature 1h, material A be added, at 55 DEG C At a temperature of stir 3.5h, be centrifuged, dry 6h, can be obtained modified montmorillonoid at 74 DEG C；
The w/v (g/mL) of the chitosan and acetum is 0.2:53.
Embodiment 5
A kind of environmental protection aseptic packaging film, raw material include: 70 parts of polylactic acid, 58 parts of polyvinyl alcohol, 40 parts of shallow lakes by weight Powder, 19 parts of polyvinyl chloride, 12 parts of white carbon blacks, 15 parts of modified montmorillonoids, 7 parts of titanium dioxide, 5 parts of silica, 14 parts of glycerol, 3 Part methylcellulose, 1.5 parts of calcium alginates, 130 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, vinegar Acid, hydrochloric acid, distilled water；The montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate weight ratio be 35:4:5:3；
The preparation process of the modified montmorillonoid is as follows:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, be 2.5 with salt acid for adjusting pH value, It is stirred to react 4h at 60 DEG C, stands 1.5h, filtering washs sediment 3 times with distilled water, is placed at 63 DEG C dry 8h, obtains Material A；
S2, the acetum of chitosan, calcium propionate, 1-2% are mixed, 1.5h is stirred at room temperature, material A is added, 3h is stirred at a temperature of 58 DEG C, is centrifuged, and dry 6h, can be obtained modified montmorillonoid at 72 DEG C；
The w/v (g/mL) of the chitosan and acetum is 0.05:10.
Comparative example 1
Substantially the same manner as Example 5, difference is only in that: not being used modified montmorillonoid, is obtained the packaging film of comparative example 1.
Test example 1
Mechanical performance and antibiotic property are carried out to the environmentally friendly aseptic packaging film and comparative example 1 of 1-5 of the embodiment of the present invention respectively Detection, the examination criteria of mechanical performance are GB/T 13022-1991, and the examination criteria of anti-microbial property is QB/T 2591-2003, Test result is as shown in table 1.
Table 1
As can be seen from Table 1, the environmentally friendly aseptic packaging film that the present invention obtains has preferable mechanical performance and antibacterial effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of environmental protection aseptic packaging film, which is characterized in that its raw material includes: 60-80 parts of polylactic acid, 50-70 parts by weight Polyvinyl alcohol, 30-50 part starch, 12-25 parts of polyvinyl chloride, 10-15 parts of white carbon blacks, 10-20 parts of modified montmorillonoids, 5-9 part two Titanium oxide, 3-7 part silica, 10-16 parts of glycerol, 2-4 parts of methylcellulose, 1-2 parts of calcium alginates, 80-200 parts of water；
Wherein, the raw material of the modified montmorillonoid includes montmorillonite, dodecyl sodium sulfate, chitosan, calcium propionate, acetic acid, salt Acid, distilled water.
2. environmentally friendly aseptic packaging film according to claim 1, which is characterized in that the white carbon black, modified montmorillonoid, titanium dioxide Titanium, silica weight ratio be 11-14:13-17:6-8:4-6.
3. environmentally friendly aseptic packaging film according to claim 1, which is characterized in that the polylactic acid, starch, is gathered polyvinyl alcohol Vinyl chloride, modified montmorillonoid weight ratio be 65-75:54-62:35-45:15-22:13-17.
4. environmentally friendly aseptic packaging film according to claim 1, which is characterized in that the montmorillonite, dodecyl sodium sulfate, shell Glycan, calcium propionate weight ratio be 30-40:2-6:3-5:2-4.
5. environmentally friendly aseptic packaging film according to claim 1, which is characterized in that the preparation process of the modified montmorillonoid is such as Under:
S1, montmorillonite is added in distilled water, adds dodecyl sodium sulfate, with salt acid for adjusting pH value, be stirred to react, it is quiet It sets, filters, wash, it is dry, obtain material A；
S2, chitosan, calcium propionate, acetum are mixed, is stirred at room temperature, material A is added, stir, is centrifuged, it is dry, i.e., Modified montmorillonoid can be obtained.
6. environmentally friendly aseptic packaging film according to claim 5, which is characterized in that the weighing body of the chitosan and acetum Product is 0.2-0.3:46-55 than (g/mL).
7. environmentally friendly aseptic packaging film according to claim 5, which is characterized in that in S1, montmorillonite is added in distilled water, Dodecyl sodium sulfate is added, with salt acid for adjusting pH value, 3-5h is stirred to react at 55-70 DEG C, stands 1-2h, is filtered, is used Distilled water washs sediment 3-4 times, dry, obtains material A.
8. environmentally friendly aseptic packaging film according to claim 7, which is characterized in that adjusting pH value is 2-3；Preferably, described dry Dry temperature is 60-65 DEG C, drying time 5-10h.
9. environmentally friendly aseptic packaging film according to claim 5, which is characterized in that in S2, by chitosan, calcium propionate, 1-2% Acetum mixing, is stirred at room temperature 1-2h, and material A is added, 50-65 DEG C at a temperature of stir 2-4h, be centrifuged, it is dry, Modified montmorillonoid can be obtained.
10. environmentally friendly aseptic packaging film according to claim 9, which is characterized in that the temperature of the drying is 70-75 DEG C, is done The dry time is 5-8h.
CN201811267888.XA 2018-10-29 2018-10-29 A kind of environmental protection aseptic packaging film Pending CN109370184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811267888.XA CN109370184A (en) 2018-10-29 2018-10-29 A kind of environmental protection aseptic packaging film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811267888.XA CN109370184A (en) 2018-10-29 2018-10-29 A kind of environmental protection aseptic packaging film

Publications (1)

Publication Number Publication Date
CN109370184A true CN109370184A (en) 2019-02-22

Family

ID=65390183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811267888.XA Pending CN109370184A (en) 2018-10-29 2018-10-29 A kind of environmental protection aseptic packaging film

Country Status (1)

Country Link
CN (1) CN109370184A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114350031A (en) * 2022-01-21 2022-04-15 杭州泽同新材料科技有限公司 Bio-based biodegradable packaging material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104119654A (en) * 2014-06-27 2014-10-29 苏州市盛百威包装设备有限公司 Biodegradable film packaging material and preparation method thereof
CN106496986A (en) * 2016-11-24 2017-03-15 安徽省天乐塑业有限公司 A kind of degradable combination film and preparation method thereof
CN107629428A (en) * 2017-10-26 2018-01-26 桐城市华猫软膜有限公司 A kind of labile environmentally friendly agricultural film
CN108467316A (en) * 2018-06-29 2018-08-31 望江县东方米业有限责任公司 A kind of Rice Cropping Water-retaining slow-release fertilizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104119654A (en) * 2014-06-27 2014-10-29 苏州市盛百威包装设备有限公司 Biodegradable film packaging material and preparation method thereof
CN106496986A (en) * 2016-11-24 2017-03-15 安徽省天乐塑业有限公司 A kind of degradable combination film and preparation method thereof
CN107629428A (en) * 2017-10-26 2018-01-26 桐城市华猫软膜有限公司 A kind of labile environmentally friendly agricultural film
CN108467316A (en) * 2018-06-29 2018-08-31 望江县东方米业有限责任公司 A kind of Rice Cropping Water-retaining slow-release fertilizer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李广宇: "《胶黏剂原材料手册》", 31 August 2004 *
谢圣英: "《塑料材料》", 31 January 2010 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114350031A (en) * 2022-01-21 2022-04-15 杭州泽同新材料科技有限公司 Bio-based biodegradable packaging material
CN114350031B (en) * 2022-01-21 2023-08-04 杭州泽同新材料科技有限公司 Bio-based biodegradable packaging material

Similar Documents

Publication Publication Date Title
US20070197779A1 (en) Bacterial cellulose-containing formulations
CN106674982A (en) Polyurethane antibacterial biomedical composite material and preparation method thereof
CN105399854B (en) Strengthen anti-oxidant and antibacterial activity the method for sea grass polysaccharide simultaneously
CN102182111B (en) Method for preparing paper surface sizing agent
CN102994395A (en) Aureobasidium pullulans and application thereof
CN109370184A (en) A kind of environmental protection aseptic packaging film
Omer et al. Preparation of Isatin/chitosan schiff base as novel antibacterial biomaterials
CN107722336A (en) The antibacterial sponge and its preparation technology of a kind of environment-friendly degradable
CN103340309B (en) Pseudobagrus fulvidraco feed additive capable of improving immune function and application thereof
CN101139404A (en) Method for preparing chitosan lactate
CN108324588B (en) Mouthwash containing lysozyme and preparation method thereof
WO2018169215A1 (en) Feed composition for fish cultivation, feed comprising same, and preparation method therefor
CN109485968A (en) A kind of environment-friendly type food package film
CN115873452A (en) Mildew-proof antibacterial water-based color paste and preparation method thereof
CN108513987A (en) Amine polymer-modified activated carbon of a kind of halogen for indoor sterilization and preparation method thereof
CN105542022A (en) Enteromorpha polysaccharide biological activity improving method
CN102558383A (en) Bismuth alginate and preparation method and application thereof
CN106337028A (en) Cleaning agent, and preparation method and application thereof
CN107184545A (en) A kind of konjaku glucomannan gel for eye and preparation method thereof
CN114569473B (en) Environment-friendly wash-free antibacterial gel and preparation method thereof
CN103666321A (en) Special sealant mildewproof agent for biological kitchen
CN105967848A (en) Loach mucus-containing biofertilizer and preparation method thereof
CN112220695A (en) Disinfection washing-free hand cleaning gel and preparation method thereof
JP3076212B2 (en) Method for producing low molecular weight chitosan
CN109303050A (en) A kind of high temperature resistant type complex antimicrobials and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190222

RJ01 Rejection of invention patent application after publication