CN105860492B - A kind of preparation method of edible packaging membrane material - Google Patents
A kind of preparation method of edible packaging membrane material Download PDFInfo
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- CN105860492B CN105860492B CN201610275761.7A CN201610275761A CN105860492B CN 105860492 B CN105860492 B CN 105860492B CN 201610275761 A CN201610275761 A CN 201610275761A CN 105860492 B CN105860492 B CN 105860492B
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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
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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
- 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
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- 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
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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
- 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
Abstract
The present invention provides a kind of preparation methods of edible packaging membrane material, first take polylactic acid, 3 butyric ester, 4 hydroxybutyric acid ester copolymer, chitosan, lemon, sorbester p17, acetic acid, polyethylene glycol, Vegetable oil, peroxide acetic acid butyl ester, mixing, double screw extruder melting extrusion is added in gained mixed material again to be granulated, finally gained particle is mixed with polypropylene glycol, inorganic filler, starch, mixture be sent into single screw extrusion machine hot-melt extruded blowing to get.There is the packaging membrane material of the present invention good mechanical performance and barrier property, easily biological-degradable to have a good application prospect.
Description
Technical field
The invention belongs to field of packaging material, and in particular to a kind of preparation method of edible packaging membrane material.
Background technology
Edible packaging membrane material refers to passing through intermolecular different interactions using edible natural substance as raw material
And the film of the compact structure constituted, type generally have polysaccharide, protein, lipid and its compound etc..With conventional packaging material
It compares, edible packing material is typically considered safe（GRAS）, there is following characteristics：(1) edible, there is preferable object
Rationality energy, film is transparent, nontoxic, and the mechanical strength of food surface can be improved；(2) gas barrier property that blocks water is good, can delay in food
Water and other ingredients adjust gas composition to external migration and diffusion；(3) color in food, nutrition be can be used as and resisted
The carrier of fungus matter etc..Chitosan in polysaccharide is the second largest natural polysaccharide that nature is only second to cellulose, is that chitin is de-
Product after acetyl has good biocompatibility and degradability, and the shell of 1-2% is poly- since chitosan is safe and non-toxic
Sugar is good as membrane material its film forming, the gas barrier property that blocks water, and can load the active constituent and nutriment of high concentration, be widely used in food
Product are fresh-keeping.
Invention content
A kind of preparation method of edible packaging membrane material is provided the purpose of the present invention is overcome the deficiencies in the prior art,
There is the packaging membrane material good mechanical performance and barrier property, easily biological-degradable to have a good application prospect.
A kind of preparation method of edible packaging membrane material, includes the following steps：
Step 1, in parts by weight, 1~5 part of polylactic acid, 3-hydroxybutyrate ester -4 hydroxybutyric acid ester copolymer 4~7 are taken
Part, 4~9 parts of chitosan, 3~6 parts of lemon, 2~7 parts of sorbester p17,4~10 parts of acetic acid, 2~5 parts of polyethylene glycol, plant
1~5 part of oil extract, 3~5 parts of peroxide acetic acid butyl ester, mixing, obtain mixed material；
Step 2, double screw extruder melting extrusion is added in step 1 gained mixed material to be granulated；
Step 3, in parts by weight, by 10~14 parts of step 2 gained particle and 2~5 parts of polypropylene glycol, inorganic filler 1~4
Part, the mixing of 3~6 parts of starch, mixture be sent into the blowing of single screw extrusion machine hot-melt extruded to get.
Further, the molecular weight of the polylactic acid described in step 1 is 200000~300000.
Further, starch is the arbitrary ratio of one or more of cornstarch, potato starch or tapioca in step 1
Example mixture.
Further, Vegetable oil is tocopherol in step 1.
Further, 150~250rpm of screw speed of dual-screw-stem machine, temperature are 160~190 DEG C in step 2.
Further, the hot melting temperature of single-screw machine is 175~180 DEG C in step 3.
Further, inorganic filler is that one or more of calcium carbonate, talcum powder, silica, calcium silicates are appointed in step 3
Meaning scalemic thereof.
There is the packaging membrane material of the present invention good mechanical performance and barrier property, easily biological-degradable to have good
Application prospect.
Specific implementation mode
Embodiment 1
A kind of preparation method of edible packaging membrane material, includes the following steps：
Step 1, in parts by weight, take 1 part of polylactic acid, 3-hydroxybutyrate ester -4 parts of 4 hydroxybutyric acid ester copolymer, shell poly-
4 parts of sugar, 3 parts of lemon, 2 parts of sorbester p17,4 parts of acetic acid, 2 parts of polyethylene glycol, 1 part of Vegetable oil, peracetic acid uncle
3 parts of butyl ester, mixing, obtains mixed material；
Step 2, double screw extruder melting extrusion is added in step 1 gained mixed material to be granulated；
Step 3, in parts by weight, by 10 parts of step 2 gained particle and 2 parts of polypropylene glycol, 1 part of inorganic filler, 3 parts of starch
Mixing, mixture be sent into single screw extrusion machine hot-melt extruded blowing to get.
Wherein, the molecular weight of the polylactic acid described in step 1 is 200000, and starch is cornstarch, Vegetable oil
For tocopherol；The screw speed 150rpm of dual-screw-stem machine, temperature are 190 DEG C in step 2；The hot melt temperature of single-screw machine in step 3
Degree is 175 DEG C, and inorganic filler is calcium carbonate.
Under the conditions of RH75%, the moisture permeable coefficient that gained packs membrane material is 23.07 × 10-11g·m-1·s-1·Pa-1, draw
It is 36.14MPa to stretch intensity, and elongation at break 2.84%, penetration power 11.35N, penetration range is in 4.27mm.
Embodiment 2
A kind of preparation method of edible packaging membrane material, includes the following steps：
Step 1, in parts by weight, take 2 parts of polylactic acid, 3-hydroxybutyrate ester -5 parts of 4 hydroxybutyric acid ester copolymer, shell poly-
7 parts of sugar, 5 parts of lemon, 4 parts of sorbester p17,9 parts of acetic acid, 4 parts of polyethylene glycol, 3 parts of Vegetable oil, peracetic acid uncle
4 parts of butyl ester, mixing, obtains mixed material；
Step 2, double screw extruder melting extrusion is added in step 1 gained mixed material to be granulated；
Step 3, in parts by weight, by 13 parts of step 2 gained particle and 4 parts of polypropylene glycol, 3 parts of inorganic filler, 5 parts of starch
Mixing, mixture be sent into single screw extrusion machine hot-melt extruded blowing to get.
Wherein, the molecular weight of the polylactic acid described in step 1 is 250000, and starch is cornstarch, Vegetable oil
For tocopherol；The screw speed 180rpm of dual-screw-stem machine, temperature are 170 DEG C in step 2；The hot melt temperature of single-screw machine in step 3
Degree is 175 DEG C, and inorganic filler is calcium carbonate.
Under the conditions of RH75%, the moisture permeable coefficient that gained packs membrane material is 18.79 × 10-11g·m-1·s-1·Pa-1, draw
It is 36.72MPa to stretch intensity, and elongation at break 2.84%, penetration power 11.96N, penetration range is in 4.21mm.
Embodiment 3
A kind of preparation method of edible packaging membrane material, includes the following steps：
Step 1, in parts by weight, take 4 parts of polylactic acid, 3-hydroxybutyrate ester -6 parts of 4 hydroxybutyric acid ester copolymer, shell poly-
8 parts of sugar, 5 parts of lemon, 6 parts of sorbester p17,9 parts of acetic acid, 4 parts of polyethylene glycol, 3 parts of Vegetable oil, peracetic acid uncle
4 parts of butyl ester, mixing, obtains mixed material；
Step 2, double screw extruder melting extrusion is added in step 1 gained mixed material to be granulated；
Step 3, in parts by weight, by 13 parts of step 2 gained particle and 4 parts of polypropylene glycol, 2 parts of inorganic filler, 4 parts of starch
Mixing, mixture be sent into single screw extrusion machine hot-melt extruded blowing to get.
Wherein, the molecular weight of the polylactic acid described in step 1 is 230000, and starch is tapioca, Vegetable oil
For tocopherol；The screw speed 190rpm of dual-screw-stem machine, temperature are 170 DEG C in step 2；The hot melt temperature of single-screw machine in step 3
Degree is 175 DEG C, and inorganic filler is silica.
Under the conditions of RH75%, the moisture permeable coefficient that gained packs membrane material is 17.59 × 10-11g·m-1·s-1·Pa-1, draw
It is 33.08MPa to stretch intensity, and elongation at break 2.62%, penetration power 11.54N, penetration range is in 4.12mm.
Embodiment 4
A kind of preparation method of edible packaging membrane material, includes the following steps：
Step 1, in parts by weight, take 5 parts of polylactic acid, 3-hydroxybutyrate ester -7 parts of 4 hydroxybutyric acid ester copolymer, shell poly-
9 parts of sugar, 6 parts of lemon, 7 parts of sorbester p17,10 parts of acetic acid, 5 parts of polyethylene glycol, 5 parts of Vegetable oil, peracetic acid
5 parts of the tert-butyl ester, mixing, obtains mixed material；
Step 2, double screw extruder melting extrusion is added in step 1 gained mixed material to be granulated；
Step 3, in parts by weight, by 14 parts of step 2 gained particle and 5 parts of polypropylene glycol, 4 parts of inorganic filler, 6 parts of starch
Mixing, mixture be sent into single screw extrusion machine hot-melt extruded blowing to get.
Wherein, the molecular weight of the polylactic acid described in step 1 is 300000, and starch is the mixed of cornstarch and potato starch
Object is closed, Vegetable oil is tocopherol；The screw speed 250rpm of dual-screw-stem machine, temperature are 160 DEG C in step 2；In step 3
The hot melting temperature of single-screw machine is 180 DEG C, and inorganic filler is the mixture of calcium carbonate, talcum powder, silica, calcium silicates.
Under the conditions of RH75%, the moisture permeable coefficient that gained packs membrane material is 19.65 × 10-11g·m-1·s-1·Pa-1, draw
It is 32.17MPa to stretch intensity, and elongation at break 2.69%, penetration power 11.48N, penetration range is in 4.12mm.
Claims (1)
1. a kind of preparation method of edible packaging membrane material, it is characterised in that：Include the following steps：
Step 1, in parts by weight, 1~5 part of polylactic acid, 3-hydroxybutyrate ester -4~7 parts of 4 hydroxybutyric acid ester copolymer, shell are taken
4~9 parts of glycan, 3~6 parts of lemon, 2~7 parts of sorbester p17,4~10 parts of acetic acid, 2~5 parts of polyethylene glycol, plant oil extract
1~5 part of object, 3~5 parts of peroxide acetic acid butyl ester, mixing, obtain mixed material；
Step 2, double screw extruder melting extrusion is added in step 1 gained mixed material to be granulated；
Step 3, in parts by weight, by 2~5 parts of 10~14 parts of step 2 gained particle and polypropylene glycol, 1~4 part of inorganic filler,
The mixing of 3~6 parts of starch, mixture be sent into the blowing of single screw extrusion machine hot-melt extruded to get；
The molecular weight of the polylactic acid is 200000~300000；
The starch is one or more of cornstarch, potato starch or tapioca arbitrary proportion mixture；
The Vegetable oil is tocopherol；
150~250rpm of screw speed of the dual-screw-stem machine, temperature are 160~190 DEG C；
The hot melting temperature of the single-screw machine is 175~180 DEG C；
The inorganic filler is one or more of calcium carbonate, talcum powder, silica, calcium silicates arbitrary proportion mixture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610275761.7A CN105860492B (en) | 2016-04-29 | 2016-04-29 | A kind of preparation method of edible packaging membrane material |
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| CN201610275761.7A CN105860492B (en) | 2016-04-29 | 2016-04-29 | A kind of preparation method of edible packaging membrane material |
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| CN105860492A CN105860492A (en) | 2016-08-17 |
| CN105860492B true CN105860492B (en) | 2018-10-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106519631B (en) * | 2016-11-28 | 2018-05-15 | 天津科技大学 | A kind of antibacterial degradable packaging material for food and its preparation |
| 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 |
Citations (1)
| 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 |
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Patent Citations (1)
| 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 |
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Granted publication date: 20181016 Termination date: 20190429 |