CN105860492A - Preparation method of edible packaging film material - Google Patents

Preparation method of edible packaging film material Download PDF

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Publication number
CN105860492A
CN105860492A CN201610275761.7A CN201610275761A CN105860492A CN 105860492 A CN105860492 A CN 105860492A CN 201610275761 A CN201610275761 A CN 201610275761A CN 105860492 A CN105860492 A CN 105860492A
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China
Prior art keywords
parts
preparation
edible packaging
membrane material
packaging membrane
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CN201610275761.7A
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Chinese (zh)
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CN105860492B (en
Inventor
顾建芳
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Tripartite Confrontation Packing Co Ltd Of Suzhou City
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Tripartite Confrontation Packing Co Ltd Of Suzhou City
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wrappers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention provides a preparation method of an edible packaging film material. The preparation method comprises the following steps: firstly mixing polylactic acid, 3-hydroxybutyrate-4-hydroxybutyrate copolymer, chitosan, lemon essential oil, span 80, acetic acid, polyethylene glycol, plant oil extract and tert-butyl peroxyacetate; adding the obtained mixture into a twin-screw extruder, and performing melting extrusion granulation; mixing the obtained particles with polypropylene glycol, inorganic filler and starch; and feeding the mixture into a single-screw extruder and performing hot melting extrusion-blown moulding to obtain the edible packaging film material. The packaging film material provided by the invention has the advantages of good mechanical property and barrier property, easiness in biodegradation and good application prospect.

Description

A kind of preparation method of edible packaging membrane material
Technical field
The invention belongs to field of packaging material, be specifically related to the preparation method of a kind of edible packaging membrane material.
Background technology
Edible packaging membrane material refers to that the thin film of the compact structure consisted of intermolecular different interaction, kind typically has polysaccharide, protein, lipid and complex thereof etc. using edible natural material as raw material.Compared with conventional packaging material, edible packing material is typically considered safe (GRAS), has following characteristics: (1) is edible, has preferable physical property, and film is transparent, nontoxic, can improve the mechanical strength of food surface；(2) gas barrier property that blocks water is good, and the water in food and other composition can be delayed to outside migration and diffusion, regulation gas composition；(3) can be as the carrier of color, nutrition and antibiotic substance etc. in food.Chitosan in polysaccharide is the second largest natural polysaccharide that nature is only second to cellulose, it it is the product after chitin deacetylase, due to chitosan safety non-toxic, there are good biocompatibility and degradability, and the chitosan of 1-2% is good as its film property of membrane material, the gas barrier property that blocks water, active component and the nutrient substance of high concentration can be loaded, be widely used in food fresh keeping.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art to provide the preparation method of a kind of edible packaging membrane material, this packaging film material has good mechanical performance and barrier property, easily biological-degradable, has a good application prospect.
The preparation method of a kind of edible packaging membrane material, comprises the following steps:
Step 1, in parts by weight, take polylactic acid 1～5 parts, 3-hydroxybutyrate ester-4 hydroxybutyric acid ester copolymer 4～7 parts, chitosan 4～9 parts, Fructus Citri Limoniae quintessence oil 3～6 parts, sorbester p17 2～7 parts, acetic acid 4～10 parts, Polyethylene Glycol 2～5 parts, Vegetable oil 1～5 parts, peroxide acetic acid butyl ester 3～5 parts, mixing, obtains mixed material；
Step 2, melt extrudes pelletize by step 1 gained mixed material addition double screw extruder；
Step 3, in parts by weight, mixes step 2 gained granule 10～14 parts with polypropylene glycol 2～5 parts, inorganic filler 1～4 parts, starch 3～6 parts, and mixture sends into the blowing of single screw extrusion machine hot-melt extruded, to obtain final product.
Further, the molecular weight of the polylactic acid described in step 1 is 200000～300000.
Further, one or more the arbitrary proportion mixture during starch is corn starch, potato starch or tapioca in step 1.
Further, in step 1, Vegetable oil is tocopherol.
Further, in step 2, the screw speed 150～250rpm of dual-screw-stem machine, temperature are 160～190 DEG C.
Further, in step 3, the hot melting temperature of single-screw machine is 175～180 DEG C.
Further, one or more the arbitrary proportion mixture during inorganic filler is calcium carbonate, Pulvis Talci, silicon oxide, calcium silicates in step 3.
The packaging film material of the present invention has good mechanical performance and barrier property, easily biological-degradable, has a good application prospect.
Detailed description of the invention
Embodiment 1
The preparation method of a kind of edible packaging membrane material, comprises the following steps:
Step 1, in parts by weight, take polylactic acid 1 part, 3-hydroxybutyrate ester-4 hydroxybutyric acid ester copolymer 4 parts, chitosan 4 parts, Fructus Citri Limoniae quintessence oil 3 parts, sorbester p17 2 parts, acetic acid 4 parts, Polyethylene Glycol 2 parts, Vegetable oil 1 part, peroxide acetic acid butyl ester 3 parts, mixing, obtain mixed material；
Step 2, melt extrudes pelletize by step 1 gained mixed material addition double screw extruder；
Step 3, in parts by weight, mixes step 2 gained granule 10 parts and polypropylene glycol 2 parts, inorganic filler 1 part, starch 3 parts, and mixture sends into the blowing of single screw extrusion machine hot-melt extruded, to obtain final product.
Wherein, the molecular weight of the polylactic acid described in step 1 is 200000, and starch is corn starch, and Vegetable oil is tocopherol；In step 2, the screw speed 150rpm of dual-screw-stem machine, temperature are 190 DEG C；In step 3, the hot melting temperature of single-screw machine is 175 DEG C, and inorganic filler is calcium carbonate.
Under the conditions of RH75%, the moisture permeable coefficient of gained packaging film material is 23.07 × 10-11g·m-1·s-1·Pa-1, hot strength is 36.14MPa, and elongation at break is 2.84%, and penetration power is 11.35N, and penetration range is at 4.27mm.
Embodiment 2
The preparation method of a kind of edible packaging membrane material, comprises the following steps:
Step 1, in parts by weight, take polylactic acid 2 parts, 3-hydroxybutyrate ester-4 hydroxybutyric acid ester copolymer 5 parts, chitosan 7 parts, Fructus Citri Limoniae quintessence oil 5 parts, sorbester p17 4 parts, acetic acid 9 parts, Polyethylene Glycol 4 parts, Vegetable oil 3 parts, peroxide acetic acid butyl ester 4 parts, mixing, obtain mixed material；
Step 2, melt extrudes pelletize by step 1 gained mixed material addition double screw extruder；
Step 3, in parts by weight, mixes step 2 gained granule 13 parts and polypropylene glycol 4 parts, inorganic filler 3 parts, starch 5 parts, and mixture sends into the blowing of single screw extrusion machine hot-melt extruded, to obtain final product.
Wherein, the molecular weight of the polylactic acid described in step 1 is 250000, and starch is corn starch, and Vegetable oil is tocopherol；In step 2, the screw speed 180rpm of dual-screw-stem machine, temperature are 170 DEG C；In step 3, the hot melting temperature of single-screw machine is 175 DEG C, and inorganic filler is calcium carbonate.
Under the conditions of RH75%, the moisture permeable coefficient of gained packaging film material is 18.79 × 10-11g·m-1·s-1·Pa-1, hot strength is 36.72MPa, and elongation at break is 2.84%, and penetration power is 11.96N, and penetration range is at 4.21mm.
Embodiment 3
The preparation method of a kind of edible packaging membrane material, comprises the following steps:
Step 1, in parts by weight, take polylactic acid 4 parts, 3-hydroxybutyrate ester-4 hydroxybutyric acid ester copolymer 6 parts, chitosan 8 parts, Fructus Citri Limoniae quintessence oil 5 parts, sorbester p17 6 parts, acetic acid 9 parts, Polyethylene Glycol 4 parts, Vegetable oil 3 parts, peroxide acetic acid butyl ester 4 parts, mixing, obtain mixed material；
Step 2, melt extrudes pelletize by step 1 gained mixed material addition double screw extruder；
Step 3, in parts by weight, mixes step 2 gained granule 13 parts and polypropylene glycol 4 parts, inorganic filler 2 parts, starch 4 parts, and mixture sends into the blowing of single screw extrusion machine hot-melt extruded, to obtain final product.
Wherein, the molecular weight of the polylactic acid described in step 1 is 230000, and starch is tapioca, and Vegetable oil is tocopherol；In step 2, the screw speed 190rpm of dual-screw-stem machine, temperature are 170 DEG C；In step 3, the hot melting temperature of single-screw machine is 175 DEG C, and inorganic filler is silicon oxide.
Under the conditions of RH75%, the moisture permeable coefficient of gained packaging film material is 17.59 × 10-11g·m-1·s-1·Pa-1, hot strength is 33.08MPa, and elongation at break is 2.62%, and penetration power is 11.54N, and penetration range is at 4.12mm.
Embodiment 4
The preparation method of a kind of edible packaging membrane material, comprises the following steps:
Step 1, in parts by weight, take polylactic acid 5 parts, 3-hydroxybutyrate ester-4 hydroxybutyric acid ester copolymer 7 parts, chitosan 9 parts, Fructus Citri Limoniae quintessence oil 6 parts, sorbester p17 7 parts, acetic acid 10 parts, Polyethylene Glycol 5 parts, Vegetable oil 5 parts, peroxide acetic acid butyl ester 5 parts, mixing, obtain mixed material；
Step 2, melt extrudes pelletize by step 1 gained mixed material addition double screw extruder；
Step 3, in parts by weight, mixes step 2 gained granule 14 parts and polypropylene glycol 5 parts, inorganic filler 4 parts, starch 6 parts, and mixture sends into the blowing of single screw extrusion machine hot-melt extruded, to obtain final product.
Wherein, the molecular weight of the polylactic acid described in step 1 is 300000, and starch is the mixture of corn starch and potato starch, and Vegetable oil is tocopherol；In step 2, the screw speed 250rpm of dual-screw-stem machine, temperature are 160 DEG C；In step 3, the hot melting temperature of single-screw machine is 180 DEG C, and inorganic filler is the mixture of calcium carbonate, Pulvis Talci, silicon oxide, calcium silicates.
Under the conditions of RH75%, the moisture permeable coefficient of gained packaging film material is 19.65 × 10-11g·m-1·s-1·Pa-1, hot strength is 32.17MPa, and elongation at break is 2.69%, and penetration power is 11.48N, and penetration range is at 4.12mm.

Claims (7)

1. the preparation method of an edible packaging membrane material, it is characterised in that: comprise the following steps:
Step 1, in parts by weight, take polylactic acid 1～5 parts, 3-hydroxybutyrate ester-4 hydroxybutyric acid ester copolymer 4～7 parts, chitosan 4～9 parts, Fructus Citri Limoniae quintessence oil 3～6 parts, sorbester p17 2～7 parts, acetic acid 4～10 parts, Polyethylene Glycol 2～5 parts, Vegetable oil 1～5 parts, peroxide acetic acid butyl ester 3～5 parts, mixing, obtains mixed material；
Step 2, melt extrudes pelletize by step 1 gained mixed material addition double screw extruder；
Step 3, in parts by weight, mixes step 2 gained granule 10～14 parts with polypropylene glycol 2～5 parts, inorganic filler 1～4 parts, starch 3～6 parts, and mixture sends into the blowing of single screw extrusion machine hot-melt extruded, to obtain final product.
The preparation method of edible packaging membrane material the most according to claim 1, it is characterised in that: the molecular weight of the polylactic acid described in step 1 is 200000～300000.
The preparation method of edible packaging membrane material the most according to claim 1, it is characterised in that: one or more the arbitrary proportion mixture during starch is corn starch, potato starch or tapioca in step 1.
The preparation method of edible packaging membrane material the most according to claim 1, it is characterised in that: in step 1, Vegetable oil is tocopherol.
The preparation method of edible packaging membrane material the most according to claim 1, it is characterised in that: in step 2, the screw speed 150～250rpm of dual-screw-stem machine, temperature are 160～190 DEG C.
The preparation method of edible packaging membrane material the most according to claim 1, it is characterised in that: in step 3, the hot melting temperature of single-screw machine is 175～180 DEG C.
The preparation method of edible packaging membrane material the most according to claim 1, it is characterised in that: one or more the arbitrary proportion mixture during inorganic filler is calcium carbonate, Pulvis Talci, silicon oxide, calcium silicates in step 3.
CN201610275761.7A 2016-04-29 2016-04-29 A kind of preparation method of edible packaging membrane material Expired - Fee Related CN105860492B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106519631A (en) * 2016-11-28 2017-03-22 天津科技大学 Antibacterial degradable food packaging material and preparation thereof
WO2018106191A1 (en) * 2016-12-09 2018-06-14 National University Of Singapore A packaging material and method of preparation thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101210101A (en) * 2006-12-29 2008-07-02 天津国韵生物科技有限公司 Composition containing polyhydroxy butyrate ester copolymer and polylactic acid for sheet, thin film, pipeline and fibrous material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101210101A (en) * 2006-12-29 2008-07-02 天津国韵生物科技有限公司 Composition containing polyhydroxy butyrate ester copolymer and polylactic acid for sheet, thin film, pipeline and fibrous material

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
夏延斌等: "《食品化学（第二版）》", 28 February 2015 *
宋小平等: "《石油工业用添加剂生产与应用技术》", 31 March 2014 *
张玉龙等: "《塑料配方与制备手册》", 31 January 2005 *
迟玉杰: "《食品添加剂》", 30 April 2013 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106519631A (en) * 2016-11-28 2017-03-22 天津科技大学 Antibacterial degradable food packaging material and preparation thereof
WO2018106191A1 (en) * 2016-12-09 2018-06-14 National University Of Singapore A packaging material and method of preparation thereof
JP2020500792A (en) * 2016-12-09 2020-01-16 ナショナル ユニヴァーシティー オブ シンガポール Packaging material and its preparation method

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