CN105951502A - Food packaging bag and preparation method thereof - Google Patents
Food packaging bag and preparation method thereof Download PDFInfo
- Publication number
- CN105951502A CN105951502A CN201610444542.7A CN201610444542A CN105951502A CN 105951502 A CN105951502 A CN 105951502A CN 201610444542 A CN201610444542 A CN 201610444542A CN 105951502 A CN105951502 A CN 105951502A
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- CN
- China
- Prior art keywords
- consumption
- weight portion
- pulp
- preparation
- food pack
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/64—Alkaline compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
The invention discloses a food packaging bag and a preparation method thereof. The preparation method comprises the steps that wood pulp, straw pulp, sodium silicate, glass fibers, sodium hydroxide, postassium hypochlorite and a retention aid are stirred and mixed and then pulp slurry suspension M is formed; the paper pulp suspension M is used for manufacturing paper with pulp, and the food packaging bag is obtained after processing. The problem that a common food packaging bag is low in strength, meanwhile is weak in high-temperature resistant capability and easily becomes soft when containing a hot cooked food and accordingly the mechanical strength of the bag is greatly reduced is solved.
Description
Technical field
The present invention relates to packaging bag preparation field, in particular it relates to food pack and preparation method thereof.
Background technology
Food pack refers to directly and Food Contact, for containing and protect the membrane container of food.General
Logical its intensity of food pack is relatively low, and heat-resisting ability is more weak simultaneously, holds when containing hotter prepared food
Easily deliquescing so that its mechanical strength is greatly reduced.
Therefore it provides a kind of heat-resisting ability is relatively strong, heat will not the food pack of deliquescing and preparation thereof
Method is the problem that the present invention needs solution badly.
Summary of the invention
It is an object of the invention to provide a kind of food pack and preparation method thereof, solve common food
Its intensity of packaging bag is relatively low, and heat-resisting ability is more weak simultaneously, the easy deliquescing when containing hotter prepared food,
Make the problem that its mechanical strength is greatly reduced.
To achieve these goals, the invention provides the preparation method of a kind of food pack, wherein,
Described preparation method includes:
(1) by wood pulp, straw pulp, sodium silicate, glass fibre, sodium hydroxide, postassium hypochlorite and retention
Pulp suspension M is formed after agent stirring mixing；
(2) described pulp suspension M is manufactured paper with pulp molding, after processing, obtain food pack；Wherein,
Relative to the wood pulp of 100 weight portions, the consumption of described straw pulp is 30-50 weight portion, described sodium silicate
Consumption is 1-7 weight portion, and the consumption of described glass fibre is 3-10 weight portion, the use of described sodium hydroxide
Amount is 10-20 weight portion, and the consumption of described postassium hypochlorite is 5-15 weight portion, the consumption of described retention agent
For 1-5 weight portion.
Present invention also offers a kind of food pack, wherein, described food pack is by above-mentioned preparation
Method prepares.
By technique scheme, the invention provides a kind of food pack and preparation method thereof, wherein,
Described preparation method includes: by wood pulp, straw pulp, sodium silicate, glass fibre, sodium hydroxide, hypochlorous acid
Pulp suspension M is formed after potassium and retention agent stirring mixing；Described pulp suspension M is manufactured paper with pulp molding,
Food pack is obtained, by the synergism between each raw material so that prepared packaging bag tool after processing
Standby excellent mechanical strength and heat-resisting ability, the method being simultaneously used for preparing this packaging bag is simple, raw material
It is easy to get.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of food pack, described preparation method includes: by wood pulp,
Paper is formed after straw pulp, sodium silicate, glass fibre, sodium hydroxide, postassium hypochlorite and retention agent stirring mixing
Mass suspension M；Described pulp suspension M is manufactured paper with pulp molding, after processing, obtain food pack；Its
In, relative to the wood pulp of 100 weight portions, the consumption of described straw pulp is 30-50 weight portion, described silicic acid
The consumption of sodium is 1-7 weight portion, and the consumption of described glass fibre is 3-10 weight portion, described sodium hydroxide
Consumption be 10-20 weight portion, the consumption of described postassium hypochlorite is 5-15 weight portion, described retention agent
Consumption is 1-5 weight portion.
So that the packaging bag prepared possesses the most excellent mechanical strength and heat-resisting ability, at this
Bright one preferred embodiment in, relative to the wood pulp of 100 weight portions, the consumption of described straw pulp is
35-45 weight portion, the consumption of described sodium silicate is 2-4 weight portion, and the consumption of described glass fibre is 5-7
Weight portion, the consumption of described sodium hydroxide is 14-16 weight portion, and the consumption of described postassium hypochlorite is 8-12
Weight portion, the consumption of described retention agent is 2-4 weight portion.
In order to improve adjuvant retention in wood pulp and straw pulp, a kind of preferably embodiment party of the present invention
In formula, described retention agent is made up of polymine and polyvinyl alcohol, and described polymine and described
The mass ratio of polyvinyl alcohol is 1:1-4.
Described glass fibre can be the conventional use of type of those skilled in the art, such as, prepared in order to improve
The mechanical strength of packaging bag, a length of 1-3mm of described glass fibre.
So that preferably mix between raw material, the present invention one preferred embodiment in, institute
The speed stating stirring mixing is 100-120r/min.
Present invention also offers a kind of food pack, wherein, described food pack is by above-mentioned preparation
Method prepares.
Hereinafter will be described the present invention by embodiment.In following example, glass fibre is
The commercially available product that Beijing Guo Hao chemical machinery company limited provides.
Embodiment 1
By 100g wood pulp, 35g straw pulp, 2g sodium silicate, 5g glass fibre, 14g sodium hydroxide, 8g
Postassium hypochlorite and 2g retention agent (it is made up of polymine and polyvinyl alcohol, and described polymine
Be 1:1 with the mass ratio of described polyvinyl alcohol) stirring mixing (mixing speed 100r/min) form paper afterwards
Mass suspension M；Described pulp suspension M is manufactured paper with pulp molding, after processing, obtain food pack A1.
Embodiment 2
By 100g wood pulp, 45g straw pulp, 4g sodium silicate, 7g glass fibre, 16g sodium hydroxide, 12g
Postassium hypochlorite and 4g retention agent (it is made up of polymine and polyvinyl alcohol, and described polymine
Be 1:4 with the mass ratio of described polyvinyl alcohol) stirring mixing (mixing speed 120r/min) form paper afterwards
Mass suspension M；Described pulp suspension M is manufactured paper with pulp molding, after processing, obtain food pack A2.
Embodiment 3
By 100g wood pulp, 40g straw pulp, 3g sodium silicate, 6g glass fibre, 15g sodium hydroxide, 10g
Postassium hypochlorite and 3g retention agent (it is made up of polymine and polyvinyl alcohol, and described polymine
Be 1:2 with the mass ratio of described polyvinyl alcohol) stirring mixing (mixing speed 110r/min) form paper afterwards
Mass suspension M；Described pulp suspension M is manufactured paper with pulp molding, after processing, obtain food pack A3.
Embodiment 4
Being prepared according to the method for embodiment 1, except for the difference that, the consumption of wood pulp is 100g, described grass
The consumption of slurry is 30g, and the consumption of described sodium silicate is 1g, and the consumption of described glass fibre is 3g, described
The consumption of sodium hydroxide is 10g, and the consumption of described postassium hypochlorite is 5g, and the consumption of described retention agent is 1g,
Obtain food pack A4.
Embodiment 5
Being prepared according to the method for embodiment 1, except for the difference that, the consumption of wood pulp is 100g, described grass
The consumption of slurry is 50g, and the consumption of described sodium silicate is 7g, and the consumption of described glass fibre is 10g, institute
The consumption stating sodium hydroxide is 20g, and the consumption of described postassium hypochlorite is 15g, the consumption of described retention agent
For 5g, obtain food pack A5.
Comparative example 1
Being prepared according to the method for embodiment 1, except for the difference that, the consumption of wood pulp is 100g, described grass
The consumption of slurry is 20g, and the consumption of described sodium silicate is 0.5g, and the consumption of described glass fibre is 2g, institute
The consumption stating sodium hydroxide is 7g, and the consumption of described postassium hypochlorite is 2g, and the consumption of described retention agent is
0.5g, obtains food pack D1.
Comparative example 2
Being prepared according to the method for embodiment 1, except for the difference that, the consumption of wood pulp is 100g, described grass
The consumption of slurry is 60g, and the consumption of described sodium silicate is 10g, and the consumption of described glass fibre is 12g, institute
The consumption stating sodium hydroxide is 22g, and the consumption of described postassium hypochlorite is 18g, the consumption of described retention agent
For 8g, obtain food pack D2.
Test case 1
Prepared food pack A1-A5, D1 and D2 are placed in 30min under 70 DEG C of environment, observe
Its deformation.
Table 1
| Embodiment is numbered | Hot strength (MPa) | Areal deformation situation |
| A1 | 27 | Without substantially deformation |
| A2 | 26 | Without substantially deformation |
| A3 | 27 | Without substantially deformation |
| A4 | 20 | Without substantially deformation |
| A5 | 21 | Slight deformation |
| D1 | 12 | Gross distortion |
| D2 | 15 | Gross distortion |
By above table data it can be seen that within the scope of the present invention prepare packaging bag A1-A5, its
Hot strength is higher than outside the scope of the invention packaging bag D1 and D2 prepared, and packaging bag A1-A5
It is unlikely to deform in high temperature environments, and D1 and D2 can occur gross distortion, the most preferred in the present invention
In the range of prepare packaging bag possess the most excellent performance, it is hereby achieved that mechanical strength is higher,
The packaging bag that heat-resisting ability is strong.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, can be to the technical side of the present invention
Case carries out multiple simple variant, and these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (6)
1. the preparation method of a food pack, it is characterised in that described preparation method includes:
(1) by wood pulp, straw pulp, sodium silicate, glass fibre, sodium hydroxide, postassium hypochlorite and retention
Pulp suspension M is formed after agent stirring mixing；
(2) described pulp suspension M is manufactured paper with pulp molding, after processing, obtain food pack；Wherein,
Relative to the wood pulp of 100 weight portions, the consumption of described straw pulp is 30-50 weight portion, described sodium silicate
Consumption is 1-7 weight portion, and the consumption of described glass fibre is 3-10 weight portion, the use of described sodium hydroxide
Amount is 10-20 weight portion, and the consumption of described postassium hypochlorite is 5-15 weight portion, the consumption of described retention agent
For 1-5 weight portion.
Preparation method the most according to claim 1, wherein, relative to the wood pulp of 100 weight portions,
The consumption of described straw pulp is 35-45 weight portion, and the consumption of described sodium silicate is 2-4 weight portion, described glass
The consumption of glass fiber is 5-7 weight portion, and the consumption of described sodium hydroxide is 14-16 weight portion, described time
The consumption of potassium chlorate is 8-12 weight portion, and the consumption of described retention agent is 2-4 weight portion.
Preparation method the most according to claim 1, wherein, described retention agent is by polymine
Form with polyvinyl alcohol, and the mass ratio of described polymine and described polyvinyl alcohol is 1:1-4.
Preparation method the most according to claim 1, wherein, described glass fibre a length of
1-3mm。
Preparation method the most according to claim 1, wherein, the speed of described stirring mixing is
100-120r/min。
6. a food pack, it is characterised in that described food pack is by claim 1-5
Preparation method described in any one prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444542.7A CN105951502A (en) | 2016-06-17 | 2016-06-17 | Food packaging bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444542.7A CN105951502A (en) | 2016-06-17 | 2016-06-17 | Food packaging bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105951502A true CN105951502A (en) | 2016-09-21 |
Family
ID=56906889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610444542.7A Pending CN105951502A (en) | 2016-06-17 | 2016-06-17 | Food packaging bag and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105951502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366180A (en) * | 2017-07-20 | 2017-11-21 | 芜湖乾凯材料科技有限公司 | Food package film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353873A (en) * | 2007-12-05 | 2009-01-28 | 山东福荫造纸环保科技有限公司 | Food wrapping paper made from grass pulp and preparation thereof |
| CN201250366Y (en) * | 2008-12-09 | 2009-06-03 | 山东福荫造纸环保科技有限公司 | Food packaging paper |
| CN101994272A (en) * | 2008-06-24 | 2011-03-30 | 福建师范大学 | Preparation method and application of composite paper based material with function of absorbing and degrading organic wastewater |
| CN104452466A (en) * | 2013-09-18 | 2015-03-25 | 山东泉林纸业有限责任公司 | Natural color food wrapping paper and preparation method thereof |
-
2016
- 2016-06-17 CN CN201610444542.7A patent/CN105951502A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353873A (en) * | 2007-12-05 | 2009-01-28 | 山东福荫造纸环保科技有限公司 | Food wrapping paper made from grass pulp and preparation thereof |
| CN101994272A (en) * | 2008-06-24 | 2011-03-30 | 福建师范大学 | Preparation method and application of composite paper based material with function of absorbing and degrading organic wastewater |
| CN201250366Y (en) * | 2008-12-09 | 2009-06-03 | 山东福荫造纸环保科技有限公司 | Food packaging paper |
| CN104452466A (en) * | 2013-09-18 | 2015-03-25 | 山东泉林纸业有限责任公司 | Natural color food wrapping paper and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366180A (en) * | 2017-07-20 | 2017-11-21 | 芜湖乾凯材料科技有限公司 | Food package film and preparation method thereof |
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| PB01 | Publication | ||
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Application publication date: 20160921 |