CN110804215A - Starch foaming packaging inner jade and preparation method thereof - Google Patents
Starch foaming packaging inner jade and preparation method thereof Download PDFInfo
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- CN110804215A CN110804215A CN201911139432.XA CN201911139432A CN110804215A CN 110804215 A CN110804215 A CN 110804215A CN 201911139432 A CN201911139432 A CN 201911139432A CN 110804215 A CN110804215 A CN 110804215A
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- 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
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—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
- 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
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- 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
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- 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
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- 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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a starch foamed packaging interior jade, which is prepared from the following raw materials in parts by mass: starch: 30-50 parts of PVA: 30-50 parts of glycerol: 5-8 parts of polyethylene glycol: 3-6 parts of foaming agent: 1-4 parts. The invention prepares the fully degradable starch composite material suitable for the production of the special-shaped package interior jade by introducing starch, plasticizer and adhesive PVA and adopting a chemical foaming method and a foaming molding process, and the density of the prepared foaming interior jade is 0.6-0.9g/cm 3. The invention has the advantages of mild foaming conditions, controllable treatment process and no adverse effect on the environment.
Description
Technical Field
The invention relates to the technical field of foaming materials, in particular to starch foaming packaging interior jade and a preparation method thereof.
Background
Starch is a renewable recyclable green material from natural plants, can be used as grain for human eating, and is widely applied to the fields of chemical industry and new materials for preparing various composite materials. Due to the excellent biodegradability, starch is generally used as filling to prepare thermoplastic high-biochar-content bio-based composite materials, is widely applied to disposable products, and is more and more valued by people in the large environment that petrochemical resources are increasingly in shortage and white pollution is increasingly serious at present. With the development of related technology and technology, starch is gradually used as a completely degradable material, widely applied to various industrial and civil fields, and used for replacing traditional plastic products.
In the packaging industry, the quantity of jade (the heterotypic foaming accessory that is used for supporting the goods inside the packing carton) in the packing carton for making is huge, adopts foaming EVA as the main material mostly, in order to save the cost, and the material that uses is mostly the reworked material, and foaming and processing aid in addition, the organic smell that volatilizees in the goods is very serious, influences the green environmental protection performance of product. Starch is very suitable for preparing the packaging jade products as a natural novel material, but the foaming process of the starch material is difficult to control, so that the starch foaming material and the process which are suitable for processing and manufacturing the irregular packaging jade are needed to be developed.
Disclosure of Invention
The invention aims to provide the starch foaming packing inner jade which has the advantages of low density, low cost and no adverse effect on the environment, aiming at the defects in the prior art.
The invention also aims to provide a preparation method of the starch foaming package internal jade.
The purpose of the invention is realized by the following technical scheme:
the starch foaming packaging interior jade is prepared from the following raw materials in parts by mass: starch: 30-50 parts of PVA: 30-50 parts of glycerol: 5-8 parts of polyethylene glycol: 3-6 parts of foaming agent: 1-4 parts.
Further, the starch has a moisture content of less than 1%.
Further, the particle size of the starch is 80-200 meshes.
Further, the molecular weight of the polyethylene glycol is 400-600.
Further, the foaming agent is at least one of sodium bicarbonate or an AC foaming agent.
A preparation method of the starch foaming package inner jade comprises the following steps:
s1, mixing starch, PVA, glycerol, polyethylene glycol and an AC foaming agent in a high-speed mixer and then standing;
s2, placing the mixture obtained in the step S1 into an internal mixer for stirring;
s3, pressing the stirred materials into material blocks after weighing;
and S4, transferring the material blocks into a cavity of a mould pressing mould, shaping and foaming after the mould is closed, and then cooling and shaping by introducing water to obtain the starch foaming package inner jade.
Further, the temperature of the internal mixer in the step S2 is 100-135 ℃.
Further, the temperature of the molding die in the step S4 is 140-160 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention prepares the fully degradable starch composite material suitable for the production of the special-shaped package interior jade by introducing starch, plasticizer and adhesive PVA and adopting a chemical foaming method and a foaming molding process. The density of the prepared foamed inner jade is 0.6-0.9g/cm3. The invention has the advantages of mild foaming conditions, controllable treatment process and no adverse effect on the environment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to the following specific examples.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Example 1
The embodiment provides a preparation method of starch foaming packaging interior jade, which comprises the following raw materials in parts by weight: starch with water content of 0.5% and particle size of 100 mesh: 40 parts of PVA: 40 parts of glycerol: 6 parts of polyethylene glycol with the molecular weight of 600: 4 parts of sodium bicarbonate: 1 part, and the preparation method comprises the following steps:
s1, mixing the raw materials in a high-speed mixer for 15 minutes, and standing for 24 hours;
s2, placing the mixture obtained in the step S1 into an internal mixer for stirring, wherein the temperature of the internal mixer is 100 ℃;
s3, weighing the stirred materials and pressing the materials into a material block;
and S4, transferring the material blocks into a cavity of a mould pressing die, wherein the temperature of the mould pressing die is 160 ℃, shaping and foaming for 3 minutes after the mould is closed, and then introducing water for cooling and shaping to obtain the starch foaming package inner jade.
The density of the starch foamed packaging interior jade prepared in the example is 0.72g/cm3。
Example 2
The embodiment provides a preparation method of starch foaming packaging interior jade, which comprises the following raw materials in parts by weight: starch with water content of 0.8% and particle size of 80 mesh: 50 parts of PVA: 35 parts of glycerol: 8 parts of polyethylene glycol with the molecular weight of 500: 3 parts of an AC foaming agent: 3 parts, and the preparation method comprises the following steps:
s1, mixing the raw materials in a high-speed mixer for 15 minutes, and standing for 24 hours;
s2, placing the mixture obtained in the step S1 into an internal mixer for stirring, wherein the temperature of the internal mixer is 135 ℃;
s3, weighing the stirred materials and pressing the materials into a material block;
and S4, transferring the material blocks into a cavity of a mould pressing die, wherein the temperature of the mould pressing die is 140 ℃, shaping and foaming for 3 minutes after the mould is closed, and then introducing water for cooling and shaping to obtain the starch foaming package inner jade.
The density of the starch foamed packaging interior jade prepared in the example is 0.68g/cm3。
Example 3
The embodiment provides a preparation method of starch foaming packaging interior jade, which comprises the following raw materials in parts by weight: starch with water content of 0.5% and particle size of 150 mesh: 32 parts, PVA: 30 parts of glycerol: 5 parts of polyethylene glycol with the molecular weight of 400: 6 parts of sodium bicarbonate: 2 parts of AC foaming agent: 2 parts, and the preparation method comprises the following steps:
s1, mixing the raw materials in a high-speed mixer for 15 minutes, and standing for 24 hours;
s2, placing the mixture obtained in the step S1 into an internal mixer for stirring, wherein the temperature of the internal mixer is 120 ℃;
s3, weighing the stirred materials and pressing the materials into a material block;
and S4, transferring the material blocks into a cavity of a mould pressing die, wherein the temperature of the mould pressing die is 150 ℃, shaping and foaming for 3 minutes after the mould is closed, and then introducing water for cooling and shaping to obtain the starch foaming package inner jade.
The density of the starch foamed packaging interior jade prepared in the example is 0.62g/cm3。
Example 4
The embodiment provides a preparation method of starch foaming package interior jade, referring to embodiment 1, and the difference with embodiment 1 is that the raw materials used in parts by weight are as follows: starch with water content of 0.8% and particle size of 200 mesh: 30 parts of PVA: 50 parts of glycerol: 6 parts of polyethylene glycol with the molecular weight of 600: 3 parts of an AC foaming agent: and 3 parts.
The density of the starch foamed packaging interior jade prepared in the example is 0.76g/cm3。
It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The starch foaming packaging interior jade is characterized by being prepared from the following raw materials in parts by mass: starch: 30-50 parts of PVA: 30-50 parts of glycerol: 5-8 parts of polyethylene glycol: 3-6 parts of foaming agent: 1-4 parts.
2. The starch foamed interior trim according to claim 1, wherein the starch has a moisture content of less than 1%.
3. The starch foamed packaging lining as claimed in claim 1, wherein the starch has a particle size of 80 to 200 mesh.
4. The starch foamed packaging lining as claimed in claim 1, wherein the polyethylene glycol has a molecular weight of 400 to 600.
5. The starch foamed interior package of claim 1, wherein the foaming agent is at least one of sodium bicarbonate or an AC foaming agent.
6. A method for preparing the starch foaming packaging interior jade as claimed in any one of claims 1 to 5, which comprises the following steps:
s1, mixing starch, PVA, glycerol, polyethylene glycol and an AC foaming agent in a high-speed mixer and then standing;
s2, placing the mixture obtained in the step S1 into an internal mixer for stirring;
s3, pressing the stirred materials into material blocks after weighing;
and S4, transferring the material blocks into a cavity of a mould pressing mould, shaping and foaming after the mould is closed, and then cooling and shaping by introducing water to obtain the starch foaming package inner jade.
7. The method according to claim 6, wherein the temperature of the internal mixer in the step S2 is 100 to 135 ℃.
8. The method according to claim 6, wherein the temperature of the molding die in step S4 is 140-160 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139432.XA CN110804215A (en) | 2019-11-20 | 2019-11-20 | Starch foaming packaging inner jade and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911139432.XA CN110804215A (en) | 2019-11-20 | 2019-11-20 | Starch foaming packaging inner jade and preparation method thereof |
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| CN110804215A true CN110804215A (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861515A (en) * | 2021-09-16 | 2021-12-31 | 无锡学院 | Water-soluble starch-based packaging buffer filler and preparation method thereof |
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| CN1796445A (en) * | 2004-12-28 | 2006-07-05 | 中国科学院化学研究所 | Expanding foam material based on natural polysaccharide and preparation method |
| CN1935881A (en) * | 2005-09-21 | 2007-03-28 | 李小鲁 | Water-soluble biodegradable material, and its preparing method and foamed product |
| CN101235164A (en) * | 2008-03-10 | 2008-08-06 | 福建百事达生物材料有限公司 | Special-purpose material for whole biological degradation footwear material and preparation method thereof |
| CN102226015B (en) * | 2011-06-11 | 2013-03-13 | 晋江成昌鞋业有限公司 | Starch composite foamed material and its production method |
| CN103865106A (en) * | 2014-03-31 | 2014-06-18 | 宋旭 | Biodegradable plastic with high starch content and preparation method of biodegradable plastic |
| CN109134945A (en) * | 2018-07-03 | 2019-01-04 | 陕西科技大学 | A kind of starch-based foam material and preparation method thereof |
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2019
- 2019-11-20 CN CN201911139432.XA patent/CN110804215A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796445A (en) * | 2004-12-28 | 2006-07-05 | 中国科学院化学研究所 | Expanding foam material based on natural polysaccharide and preparation method |
| CN1935881A (en) * | 2005-09-21 | 2007-03-28 | 李小鲁 | Water-soluble biodegradable material, and its preparing method and foamed product |
| CN101235164A (en) * | 2008-03-10 | 2008-08-06 | 福建百事达生物材料有限公司 | Special-purpose material for whole biological degradation footwear material and preparation method thereof |
| CN102226015B (en) * | 2011-06-11 | 2013-03-13 | 晋江成昌鞋业有限公司 | Starch composite foamed material and its production method |
| CN103865106A (en) * | 2014-03-31 | 2014-06-18 | 宋旭 | Biodegradable plastic with high starch content and preparation method of biodegradable plastic |
| CN109134945A (en) * | 2018-07-03 | 2019-01-04 | 陕西科技大学 | A kind of starch-based foam material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113861515A (en) * | 2021-09-16 | 2021-12-31 | 无锡学院 | Water-soluble starch-based packaging buffer filler and preparation method thereof |
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