CN105694114A - Novel electronic buffer packaging material and preparation method thereof - Google Patents

Novel electronic buffer packaging material and preparation method thereof Download PDF

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Publication number
CN105694114A
CN105694114A CN201610163318.0A CN201610163318A CN105694114A CN 105694114 A CN105694114 A CN 105694114A CN 201610163318 A CN201610163318 A CN 201610163318A CN 105694114 A CN105694114 A CN 105694114A
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packaging material
parts
preparation
mixture
novel electron
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姚振红
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Suzhou Jiederui Precision Machinery Co Ltd
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Suzhou Jiederui Precision Machinery Co Ltd
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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
    • C08L29/00—Compositions 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; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02—Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04—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
    • 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
    • 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
    • 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
    • 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
    • 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
    • C08J2203/18—Binary blends of expanding agents
    • 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
    • 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
    • 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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
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    • 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
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

The invention relates to a novel electronic buffer packaging material and a preparation method thereof. The preparation method comprises the following steps of (1), mixing and agitating polyvinyl alcohol and water; (2), adding corn starch, potato starch, cassava starch, a ramie fiber and a coconut fiber into an obtained first mixture, and continuously agitating an obtained second mixture; (3), adding phosphatidylcholine, potassium sorbate, sodium hydrogen carbonate, azodicarbonamide, epoxidized soybean oil, dioctyl phthalate, propanetriol and ethanol into the obtained second mixture, and agitating an obtained third mixture by using an agitator; (4), pouring the obtained third mixture into a mold to carry out prepressing; (5), carrying out cold pressing on the prepressed third mixture through a cold press, and maintaining pressure for 30 to 60 minutes; (6), drying the cold-pressed third mixture, and then putting the dried third mixture into a hot press for hot pressing molding; (7), putting the third mixture subjected to the hot pressing molding into the cold press to carry out cold pressing molding. The novel electronic buffer packaging material obtained by preparation is excellent in buffer performance, and is fine in elasticity; meanwhile, natural and degradable materials are adopted for raw materials of the novel electronic buffer packaging material; the novel electronic buffer packaging material is green, environment-friendly and pollution-free.

Description

A kind of novel electron amortizing packaging material and preparation method thereof
Technical field
The invention belongs to field of electronic materials, relate to a kind of novel electron amortizing packaging material and preparation method thereof。
Background technology
Amortizing packaging material is also called shock-resistant packaging material, occupies an important position in packaging material, is primarily to and prevents product from suffering damage, and reduces the packaging material that the impact of external force adopts。Along with economic and scientific and technological develops rapidly, electronic industry have also been obtained huge progress, yield has also reached unprecedented huge, and the amortizing packaging material being currently used for electronic product is mainly expanded polystyrene (EPS), but polystyrene degradation ability is excessively poor, serious environmental pollution can be caused, if it is reclaimed, then need to expend substantial amounts of manpower and materials。Therefore, research and develop a kind of good buffer effect, elastic good while environmental protection electronics amortizing packaging material to replace now widely used polystyrol foam material, have great importance to realizing sustainable development, there is wide market prospect simultaneously。
Summary of the invention
Solve the technical problem that: it is an object of the invention to open a kind of novel electron amortizing packaging material and preparation method thereof, the density range of this material is at 0.42-0.43g/cm3Between, shock-absorbing capacity is remarkable, elastic good, and its raw material adopts natural degradable material simultaneously, and environmental protection is pollution-free。
Technical scheme: the invention discloses a kind of novel electron amortizing packaging material, following component be prepared from weight portion:
Corn starch 20-30 part,
Potato starch 20-30 part,
Tapioca 20-30 part,
Phosphatidylcholine 1-2 part,
Polyvinyl alcohol 20-50 part,
Ramee 5-10 part,
Coir fibre 2-5 part,
Potassium sorbate 0.1-0.3 part,
Sodium bicarbonate 1-3 part,
Azodicarbonamide 4-8 part,
Epoxy soybean oil 5-10 part,
Dioctyl phthalate 2-5 part,
Glycerol 20-40 part,
Ethanol 1-2 part,
Water 80-120 part。
Further, described a kind of novel electron amortizing packaging material, following component it is prepared from weight portion:
Corn starch 22-28 part,
Potato starch 23-29 part,
Tapioca 22-27 part,
Phosphatidylcholine 1.2-1.8 part,
Polyvinyl alcohol 30-40 part,
Ramee 6-9 part,
Coir fibre 3-4 part,
Potassium sorbate 0.15-0.25 part,
Sodium bicarbonate 1.5-2.5 part,
Azodicarbonamide 5-7 part,
Epoxy soybean oil 6-9 part,
Dioctyl phthalate 3-4 part,
Glycerol 25-35 part,
Ethanol 1.3-1.8 part,
Water 90-110 part。
The preparation method of described a kind of novel electron amortizing packaging material, comprises the steps:
(1) polyethylene alcohol and water is mixed, stir 10-25 minute under rotating speed 70-100r/min with magnetic stirrer；
(2) add corn starch, potato starch, tapioca, ramee and coir fibre, continue to stir 5-20 minute under rotating speed 70-100r/min；
(3) add phosphatidylcholine, potassium sorbate, sodium bicarbonate, azodicarbonamide, epoxy soybean oil, dioctyl phthalate, glycerol and ethanol, stir 10-30 minute under rotating speed 400-600r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 10-20MPa through cold press at pressure, pressurize 30-60 minute；
(6) put into after drying at temperature 170-200 DEG C in hot press, hot-forming under pressure 2-5MPa；
(7) put into and cold press carries out sizing of colding pressing。
Further, the preparation method of described a kind of novel electron amortizing packaging material, described step (1) medium speed is 80-90r/min, and mixing time is 15-20 minute。
Further, the preparation method of described a kind of novel electron amortizing packaging material, described step (2) medium speed is 80-90r/min, and mixing time is 10-15 minute。
Further, the preparation method of described a kind of novel electron amortizing packaging material, described step (3) medium speed is 450-550r/min, and mixing time is 15-25 minute。
Further, the preparation method of described a kind of novel electron amortizing packaging material, in described step (5), pressure is 15MPa, and the dwell time is 40-50 minute。
Further, the preparation method of described a kind of novel electron amortizing packaging material, in described step (6), temperature is 180-190 DEG C, and pressure is 3-4MPa。
Beneficial effect: the density range of novel electron amortizing packaging material prepared by the method for the present invention is at 0.42-0.43g/cm3Between, it is 2kg/cm at stress2Its cushioning coefficient is maximum down reaches 5.4, and shock-absorbing capacity is remarkable, and its maximum rebound degree can reach 95.7% simultaneously, elastic good, it addition, raw material of the present invention adopts natural degradable material, environmental protection is pollution-free。
Detailed description of the invention
Embodiment 1
(1) by polyvinyl alcohol 20 parts and the mixing of 80 parts of water, stir 10 minutes under rotating speed 70r/min with magnetic stirrer；
(2) add corn starch 20 parts, potato starch 20 parts, tapioca 20 parts, ramee 5 parts and coir fibre 2 parts, continue to stir 5 minutes under rotating speed 70r/min；
(3) add phosphatidylcholine 1 part, potassium sorbate 0.1 part, sodium bicarbonate 1 part, azodicarbonamide 4 parts, epoxy soybean oil 5 parts, dioctyl phthalate 2 parts, glycerol 20 parts and ethanol 1 part, stir 10 minutes under rotating speed 400r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 10MPa through cold press at pressure, pressurize 30 minutes；
(6) put into temperature 170 DEG C in hot press after drying, hot-forming under pressure 2MPa；
(7) put into and cold press carries out sizing of colding pressing。
Embodiment 2
(1) by polyvinyl alcohol 30 parts and the mixing of 90 parts of water, stir 15 minutes under rotating speed 80r/min with magnetic stirrer；
(2) add corn starch 22 parts, potato starch 23 parts, tapioca 22 parts, ramee 6 parts and coir fibre 3 parts, continue to stir 10 minutes under rotating speed 80r/min；
(3) add phosphatidylcholine 1.2 parts, potassium sorbate 0.15 part, sodium bicarbonate 1.5 parts, azodicarbonamide 5 parts, epoxy soybean oil 6 parts, dioctyl phthalate 3 parts, glycerol 25 parts and ethanol 1.3 parts, stir 15 minutes under rotating speed 450r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 15MPa through cold press at pressure, pressurize 40 minutes；
(6) put into temperature 180 DEG C in hot press after drying, hot-forming under pressure 3MPa；
(7) put into and cold press carries out sizing of colding pressing。
Embodiment 3
(1) by polyvinyl alcohol 35 parts and the mixing of 100 parts of water, stir 17 minutes under rotating speed 85r/min with magnetic stirrer；
(2) add corn starch 25 parts, potato starch 25 parts, tapioca 25 parts, ramee 7.5 parts and coir fibre 3.5 parts, continue to stir 12 minutes under rotating speed 85r/min；
(3) add phosphatidylcholine 1.5 parts, potassium sorbate 0.2 part, sodium bicarbonate 2 parts, azodicarbonamide 6 parts, epoxy soybean oil 7.5 parts, dioctyl phthalate 3.5 parts, glycerol 30 parts and ethanol 1.5 parts, stir 20 minutes under rotating speed 500r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 15MPa through cold press at pressure, pressurize 45 minutes；
(6) put into temperature 185 DEG C in hot press after drying, hot-forming under pressure 3.5MPa；
(7) put into and cold press carries out sizing of colding pressing。
Embodiment 4
(1) by polyvinyl alcohol 40 parts and the mixing of 110 parts of water, stir 20 minutes under rotating speed 90r/min with magnetic stirrer；
(2) add corn starch 28 parts, potato starch 29 parts, tapioca 27 parts, ramee 9 parts and coir fibre 4 parts, continue to stir 15 minutes under rotating speed 90r/min；
(3) add phosphatidylcholine 1.8 parts, potassium sorbate 0.25 part, sodium bicarbonate 2.5 parts, azodicarbonamide 7 parts, epoxy soybean oil 9 parts, dioctyl phthalate 4 parts, glycerol 35 parts and ethanol 1.8 parts, stir 25 minutes under rotating speed 550r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 15MPa through cold press at pressure, pressurize 50 minutes；
(6) put into temperature 190 DEG C in hot press after drying, hot-forming under pressure 4MPa；
(7) put into and cold press carries out sizing of colding pressing。
Embodiment 5
(1) by polyvinyl alcohol 50 parts and the mixing of 120 parts of water, stir 25 minutes under rotating speed 100r/min with magnetic stirrer；
(2) add corn starch 30 parts, potato starch 30 parts, tapioca 30 parts, ramee 10 parts and coir fibre 5 parts, continue to stir 20 minutes under rotating speed 100r/min；
(3) add phosphatidylcholine 2 parts, potassium sorbate 0.3 part, sodium bicarbonate 3 parts, azodicarbonamide 8 parts, epoxy soybean oil 10 parts, dioctyl phthalate 5 parts, glycerol 40 parts and ethanol 2 parts, stir 30 minutes under rotating speed 600r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 20MPa through cold press at pressure, pressurize 60 minutes；
(6) put into temperature 200 DEG C in hot press after drying, hot-forming under pressure 5MPa；
(7) put into and cold press carries out sizing of colding pressing。
Comparative example 1
(1) by polyvinyl alcohol 50 parts and the mixing of 120 parts of water, stir 25 minutes under rotating speed 100r/min with magnetic stirrer；
(2) add corn starch 45 parts, potato starch 45 parts, ramee 10 parts and coir fibre 5 parts, continue to stir 20 minutes under rotating speed 100r/min；
(3) add phosphatidylcholine 2 parts, potassium sorbate 0.3 part, sodium bicarbonate 3 parts, azodicarbonamide 8 parts, epoxy soybean oil 10 parts, dioctyl phthalate 5 parts, glycerol 40 parts and ethanol 2 parts, stir 30 minutes under rotating speed 600r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 20MPa through cold press at pressure, pressurize 60 minutes；
(6) put into temperature 200 DEG C in hot press after drying, hot-forming under pressure 5MPa；
(7) put into and cold press carries out sizing of colding pressing。
Comparative example 2
(1) by polyvinyl alcohol 50 parts and the mixing of 120 parts of water, stir 25 minutes under rotating speed 100r/min with magnetic stirrer；
(2) add corn starch 30 parts, potato starch 30 parts, tapioca 30 parts and ramee 15 parts, continue to stir 20 minutes under rotating speed 100r/min；
(3) add phosphatidylcholine 2 parts, potassium sorbate 0.3 part, sodium bicarbonate 3 parts, azodicarbonamide 8 parts, epoxy soybean oil 10 parts, dioctyl phthalate 5 parts, glycerol 40 parts and ethanol 2 parts, stir 30 minutes under rotating speed 600r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 20MPa through cold press at pressure, pressurize 60 minutes；
(6) put into temperature 200 DEG C in hot press after drying, hot-forming under pressure 5MPa；
(7) put into and cold press carries out sizing of colding pressing。
The performance of novel electron amortizing packaging material prepared by the present invention is as follows, and its density range is at 0.42-0.43g/cm3Between, it is 2kg/cm at stress2Its cushioning coefficient is maximum down reaches 5.4, and shock-absorbing capacity is remarkable, and its maximum rebound degree can reach 95.7% simultaneously, elastic good, it addition, raw material of the present invention adopts natural degradable material, environmental protection is pollution-free。
The performance of embodiment and comparative example is as follows:
(stress is 2kg/cm to cushioning coefficient2) Maximum rebound degree (%) Density (g/cm3)
Embodiment 1 5.1 95.2 0.43
Embodiment 2 5.2 95.4 0.43
Embodiment 3 5.3 95.5 0.42
Embodiment 4 5.4 95.7 0.42
Embodiment 5 5.3 95.6 0.43
Comparative example 1 5.3 95.6 0.53
Comparative example 2 4.5 93.1 0.47

Claims (9)

1. a novel electron amortizing packaging material, it is characterised in that described packaging material are prepared from weight portion by following component:
Corn starch 20-30 part,
Potato starch 20-30 part,
Tapioca 20-30 part,
Phosphatidylcholine 1-2 part,
Polyvinyl alcohol 20-50 part,
Ramee 5-10 part,
Coir fibre 2-5 part,
Potassium sorbate 0.1-0.3 part,
Sodium bicarbonate 1-3 part,
Azodicarbonamide 4-8 part,
Epoxy soybean oil 5-10 part,
Dioctyl phthalate 2-5 part,
Glycerol 20-40 part,
Ethanol 1-2 part,
Water 80-120 part。
2. a kind of novel electron amortizing packaging material according to claim 1, it is characterised in that described packaging material are prepared from weight portion by following component:
Corn starch 22-28 part,
Potato starch 23-29 part,
Tapioca 22-27 part,
Phosphatidylcholine 1.2-1.8 part,
Polyvinyl alcohol 30-40 part,
Ramee 6-9 part,
Coir fibre 3-4 part,
Potassium sorbate 0.15-0.25 part,
Sodium bicarbonate 1.5-2.5 part,
Azodicarbonamide 5-7 part,
Epoxy soybean oil 6-9 part,
Dioctyl phthalate 3-4 part,
Glycerol 25-35 part,
Ethanol 1.3-1.8 part,
Water 90-110 part。
3. a kind of novel electron amortizing packaging material as claimed in claim 1, it is characterised in that: described corn starch, potato starch and tapioca particle diameter are 50-80nm。
4. the preparation method of a kind of novel electron amortizing packaging material according to claim 1, it is characterised in that described preparation method comprises the steps:
(1) polyethylene alcohol and water is mixed, stir 10-25 minute under rotating speed 70-100r/min with magnetic stirrer；
(2) add corn starch, potato starch, tapioca, ramee and coir fibre, continue to stir 5-20 minute under rotating speed 70-100r/min；
(3) add phosphatidylcholine, potassium sorbate, sodium bicarbonate, azodicarbonamide, epoxy soybean oil, dioctyl phthalate, glycerol and ethanol, stir 10-30 minute under rotating speed 400-600r/min with blender；
(4) pour into and mould carries out precompressed；
(5) it is cold pressing under 10-20MPa through cold press at pressure, pressurize 30-60 minute；
(6) put into after drying at temperature 170-200 DEG C in hot press, hot-forming under pressure 2-5MPa；
(7) put into and cold press carries out sizing of colding pressing。
5. the preparation method of a kind of novel electron amortizing packaging material according to claim 4, it is characterised in that described step (1) medium speed is 80-90r/min, and mixing time is 15-20 minute。
6. the preparation method of a kind of novel electron amortizing packaging material according to claim 4, it is characterised in that described step (2) medium speed is 80-90r/min, and mixing time is 10-15 minute。
7. the preparation method of a kind of novel electron amortizing packaging material according to claim 4, it is characterised in that described step (3) medium speed is 450-550r/min, and mixing time is 15-25 minute。
8. the preparation method of a kind of novel electron amortizing packaging material according to claim 4, it is characterised in that in described step (5), pressure is 15MPa, and the dwell time is 40-50 minute。
9. the preparation method of a kind of novel electron amortizing packaging material according to claim 4, it is characterised in that in described step (6), temperature is 180-190 DEG C, and pressure is 3-4MPa。
CN201610163318.0A 2016-03-22 2016-03-22 Novel electronic buffer packaging material and preparation method thereof Pending CN105694114A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106280523A (en) * 2016-08-29 2017-01-04 宁波江东甬风工业设计有限公司 A kind of preparation method of green composite buffering packaging material
CN107474457A (en) * 2017-09-21 2017-12-15 原晋波 A kind of preparation method of environment-friendly electronic shock-resistant packaging material
CN108748592A (en) * 2018-06-22 2018-11-06 海南大学 The method that discarded coir fibre prepares egg tray padded coaming

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Publication number Priority date Publication date Assignee Title
CN106280523A (en) * 2016-08-29 2017-01-04 宁波江东甬风工业设计有限公司 A kind of preparation method of green composite buffering packaging material
CN106280523B (en) * 2016-08-29 2018-06-01 中山市美耐包装材料有限公司 A kind of preparation method of green composite buffering packaging material
CN107474457A (en) * 2017-09-21 2017-12-15 原晋波 A kind of preparation method of environment-friendly electronic shock-resistant packaging material
CN108748592A (en) * 2018-06-22 2018-11-06 海南大学 The method that discarded coir fibre prepares egg tray padded coaming

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Application publication date: 20160622