CN107201048A - A kind of porous amortizing packaging material of string and preparation method thereof - Google Patents
A kind of porous amortizing packaging material of string and preparation method thereof Download PDFInfo
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- CN107201048A CN107201048A CN201710365466.5A CN201710365466A CN107201048A CN 107201048 A CN107201048 A CN 107201048A CN 201710365466 A CN201710365466 A CN 201710365466A CN 107201048 A CN107201048 A CN 107201048A
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- packaging material
- porous
- amortizing packaging
- string
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- 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
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- 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 invention provides porous amortizing packaging material of a kind of string and preparation method thereof, the raw material of the amortizing packaging material includes：Stalk, plant amylum, polyvinyl alcohol, sodium alginate, citric acid, foaming agent, talcum powder, calcium carbonate, borax, plasticizer, PLA, atoleine.The present invention is using stalk as primary raw material, matrix adhesive is made in starch and polyvinyl alcohol, degradable buffering package material is made in addition foaming agent, the material can realize Natural Degradation after use, a kind of substitute products of foamed plastics, environmentally safe non-hazardous are provided for buffering package field.
Description
Technical field
The invention belongs to field of packaging material, and in particular to a kind of porous amortizing packaging material of string and its system
Preparation Method.
Background technology
String is mainly derived from the plant of nature growth as the more rich natural macromolecular material of reserves in nature
Thing, with density is small, mechanical property is higher, degradable, renewable, reusable edible and the characteristic such as environment-friendly.According to source,
String can be divided into bast fiber（Such as flax fiber, tossa, ramee, hemp）, seed fiber（Such as cotton
Fiber, coir etc.）, leaf fibre（Such as sisal fiber）, cane fiber（Such as wood-fibred, bamboo fibre and grass blade fiber
Deng）.Wherein, wood-fibred, flaxen fiber and grass fiber are most widely used.
Buffering package is the packaging for the purpose of relaxing impact, in all packaged forms, the ratio shared by buffering package
Maximum, and in amortizing packaging material field, China is mainly based on foamed plastics.Although foamed plastics has the advantages that light weight,
But it is difficult degraded under field conditions (factors), exacerbates white pollution, therefore, rational exploitation and utilization natural resources realizes packaging
Green Development, innovation and development and the cycle development of material are current top priorities.
The content of the invention
The technical problem of solution：It is an object of the invention to provide a kind of porous amortizing packaging material of string and its preparation
Method.
Technical scheme：A kind of porous amortizing packaging material of string, raw material includes in parts by weight：Stalk 20-30
Part, 3-6 parts of plant amylum, 1-2 parts of polyvinyl alcohol, 0.5-1.5 parts of sodium alginate, 0.3-0.9 parts of citric acid, 2-5 parts of foaming agent,
1-4 parts of talcum powder, 2-5 parts of calcium carbonate, 2-6 parts of borax, 1-4 parts of plasticizer, 1-3 parts of PLA, 2-6 parts of atoleine.
Described plant amylum is the one or several kinds in cornstarch, wheaten starch, rice starch, sweet potato starch.
The foaming agent is the one or more in ammonium carbonate, ammonium hydrogen carbonate or sodium acid carbonate.
The plasticizer is the one or more in ethylene glycol, glycerine, sorbierite or pentaerythrite.
The preparation method of the above-mentioned porous amortizing packaging material of string, comprises the following steps：
Step 1, stalk is dried, it is broken after be placed in the sodium hydroxide solution of 5-10 times of weight and soak, be filtered to remove buck, obtain
To wet-milling；
Step 2, starch is added in the water of 2-3 times of weight, is heated to 50-60 DEG C, stir 30-40min, add polyvinyl alcohol,
Sodium alginate and citric acid, are warming up to 80-90 DEG C, stir 2-3h, and cooling obtains matrix adhesive；
Step 3, by step 1 gained wet-milling, step 2 gained matrix adhesive, foaming agent, talcum powder, calcium carbonate, borax, plasticising
Agent, PLA, atoleine mixing, hot pressing are heated to 105 DEG C, keep 5-10min, then are warming up to 155 DEG C of holding 12-16min,
Cooling, is produced.
Size after stalk is crushed in step 1 is in 5mm.
The concentration of the sodium hydrate aqueous solution is 2-5wt.%.
Soaking temperature is 50-70 DEG C in step 1.
Beneficial effect：Starch and polyvinyl alcohol are made matrix adhesive, added by the present invention using stalk as primary raw material
Plus degradable buffering package material is made in foaming agent, the material can realize Natural Degradation after use, be buffering package field
There is provided a kind of substitute products of foamed plastics, environmentally safe non-hazardous.
Embodiment
Embodiment 1
A kind of porous amortizing packaging material of string, raw material includes in parts by weight：20 parts of stalk, 3 parts of plant amylum, poly- second
1 part of enol, 0.5 part of sodium alginate, 0.3 part of citric acid, 2 parts of foaming agent, 1 part of talcum powder, 2 parts of calcium carbonate, 2 parts of borax, plasticising
1 part of agent, 1 part of PLA, 2 parts of atoleine.
Described plant amylum is cornstarch；The foaming agent is ammonium carbonate；The plasticizer is ethylene glycol.
The preparation method of the above-mentioned porous amortizing packaging material of string, comprises the following steps：
Step 1, stalk is dried, it is broken after be placed in the 5wt.% sodium hydroxide solutions of 5 times of weight and soak, be filtered to remove buck,
Obtain wet-milling；
Step 2, starch is added in the water of 2 times of weight, is heated to 50 DEG C, stir 40min, add polyvinyl alcohol, sodium alginate
And citric acid, 80 DEG C are warming up to, 3h is stirred, cooling obtains matrix adhesive；
Step 3, by step 1 gained wet-milling, step 2 gained matrix adhesive, foaming agent, talcum powder, calcium carbonate, borax, plasticising
Agent, PLA, atoleine mixing, hot pressing are heated to 105 DEG C, keep 5-10min, then are warming up to 155 DEG C of holding 12-16min,
Cooling, is produced.
In step 1 stalk crush after size in 5mm, step 1 soaking temperature be 50 DEG C.
The density of gained amortizing packaging material is 0.235g/cm3, compression strength is 0.78MPa, and rebound degree is 83.5%, is delayed
Punching performance is good.
Embodiment 2
A kind of porous amortizing packaging material of string, raw material includes in parts by weight：24 parts of stalk, 4 parts of plant amylum, poly- second
1.6 parts of enol, 0.8 part of sodium alginate, 0.5 part of citric acid, 3 parts of foaming agent, 2 parts of talcum powder, 4 parts of calcium carbonate, 5 parts of borax increases
Mould 2 parts of agent, 2 parts of PLA, 3 parts of atoleine.
Described plant amylum is wheaten starch；The foaming agent is ammonium hydrogen carbonate；The plasticizer is sorbierite.
The preparation method of the above-mentioned porous amortizing packaging material of string, comprises the following steps：
Step 1, stalk is dried, it is broken after be placed in the 4wt.% sodium hydroxide solutions of 7 times of weight and soak, be filtered to remove buck,
Obtain wet-milling；
Step 2, starch is added in the water of 2 times of weight, is heated to 50 DEG C, stir 30min, add polyvinyl alcohol, sodium alginate
And citric acid, 90 DEG C are warming up to, 3h is stirred, cooling obtains matrix adhesive；
Step 3, by step 1 gained wet-milling, step 2 gained matrix adhesive, foaming agent, talcum powder, calcium carbonate, borax, plasticising
Agent, PLA, atoleine mixing, hot pressing are heated to 105 DEG C, keep 5-10min, then are warming up to 155 DEG C of holding 12-16min,
Cooling, is produced.
In step 1 stalk crush after size in 5mm, step 1 soaking temperature be 60 DEG C.
The density of gained amortizing packaging material is 0.218g/cm3, compression strength is 0.74MPa, and rebound degree is 82.3%, is delayed
Punching performance is good.
Embodiment 3
A kind of porous amortizing packaging material of string, raw material includes in parts by weight：28 parts of stalk, 5 parts of plant amylum, poly- second
1.8 parts of enol, 0.9 part of sodium alginate, 0.8 part of citric acid, 4 parts of foaming agent, 3 parts of talcum powder, 4 parts of calcium carbonate, 5 parts of borax increases
Mould 3 parts of agent, 2 parts of PLA, 5 parts of atoleine.
Described plant amylum is cornstarch and sweet potato starch by weight 1：The mixture of 1 composition；The foaming agent
For sodium acid carbonate；The plasticizer is ethylene glycol and pentaerythrite by weight 1：The mixture of 2 compositions.
The preparation method of the above-mentioned porous amortizing packaging material of string, comprises the following steps：
Step 1, stalk is dried, it is broken after be placed in the 5wt.% sodium hydroxide solutions of 5 times of weight and soak, be filtered to remove buck,
Obtain wet-milling；
Step 2, starch is added in the water of 2 times of weight, is heated to 50 DEG C, stir 40min, add polyvinyl alcohol, sodium alginate
And citric acid, 80 DEG C are warming up to, 3h is stirred, cooling obtains matrix adhesive；
Step 3, by step 1 gained wet-milling, step 2 gained matrix adhesive, foaming agent, talcum powder, calcium carbonate, borax, plasticising
Agent, PLA, atoleine mixing, hot pressing are heated to 105 DEG C, keep 5-10min, then are warming up to 155 DEG C of holding 12-16min,
Cooling, is produced.
In step 1 stalk crush after size in 5mm, step 1 soaking temperature be 70 DEG C.
The density of gained amortizing packaging material is 0.241g/cm3, compression strength is 0.83MPa, and rebound degree is 84.7%, is delayed
Punching performance is good.
Embodiment 4
A kind of porous amortizing packaging material of string, raw material includes in parts by weight：30 parts of stalk, 6 parts of plant amylum, poly- second
2 parts of enol, 1.5 parts of sodium alginate, 0.9 part of citric acid, 5 parts of foaming agent, 4 parts of talcum powder, 5 parts of calcium carbonate, 6 parts of borax, plasticising
4 parts of agent, 3 parts of PLA, 6 parts of atoleine.
Described plant amylum is wheaten starch and rice starch by weight 2：The mixture of 3 compositions；The foaming agent
It is that ammonium hydrogen carbonate and ammonium hydrogen carbonate press 1：The mixture of 1 composition；The plasticizer is that glycerine and sorbierite press 1：1 composition it is mixed
Compound.
The preparation method of the above-mentioned porous amortizing packaging material of string, comprises the following steps：
Step 1, stalk is dried, it is broken after be placed in the 3wt.% sodium hydroxide solutions of 10 times of weight and soak, be filtered to remove alkali
Water, obtains wet-milling；
Step 2, starch is added in the water of 3 times of weight, is heated to 60 DEG C, stir 30min, add polyvinyl alcohol, sodium alginate
And citric acid, 90 DEG C are warming up to, 2h is stirred, cooling obtains matrix adhesive；
Step 3, by step 1 gained wet-milling, step 2 gained matrix adhesive, foaming agent, talcum powder, calcium carbonate, borax, plasticising
Agent, PLA, atoleine mixing, hot pressing are heated to 105 DEG C, keep 5-10min, then are warming up to 155 DEG C of holding 12-16min,
Cooling, is produced.
In step 1 stalk crush after size in 5mm, step 1 soaking temperature be 60 DEG C.
The density of gained amortizing packaging material is 0.237g/cm3, compression strength is 0.83MPa, and rebound degree is 81.7%, is delayed
Punching performance is good.
Claims (8)
1. a kind of porous amortizing packaging material of string, it is characterised in that：Raw material includes in parts by weight：20-30 parts of stalk,
3-6 parts of plant amylum, 1-2 parts of polyvinyl alcohol, 0.5-1.5 parts of sodium alginate, 0.3-0.9 parts of citric acid, 2-5 parts of foaming agent is sliding
1-4 parts of stone flour, 2-5 parts of calcium carbonate, 2-6 parts of borax, 1-4 parts of plasticizer, 1-3 parts of PLA, 2-6 parts of atoleine.
2. the porous amortizing packaging material of string according to claim 1, it is characterised in that：Described plant amylum is
One or several kinds in cornstarch, wheaten starch, rice starch, sweet potato starch.
3. the porous amortizing packaging material of string according to claim 1, it is characterised in that：The foaming agent is carbonic acid
One or more in ammonium, ammonium hydrogen carbonate or sodium acid carbonate.
4. the porous amortizing packaging material of string according to claim 1, it is characterised in that：The plasticizer is second two
One or more in alcohol, glycerine, sorbierite or pentaerythrite.
5. the preparation method of the porous amortizing packaging material of string described in claim 1, it is characterised in that：Including following step
Suddenly：
Step 1, stalk is dried, it is broken after be placed in the sodium hydroxide solution of 5-10 times of weight and soak, be filtered to remove buck, obtain
To wet-milling；
Step 2, starch is added in the water of 2-3 times of weight, is heated to 50-60 DEG C, stir 30-40min, add polyvinyl alcohol,
Sodium alginate and citric acid, are warming up to 80-90 DEG C, stir 2-3h, and cooling obtains matrix adhesive；
Step 3, by step 1 gained wet-milling, step 2 gained matrix adhesive, foaming agent, talcum powder, calcium carbonate, borax, plasticising
Agent, PLA, atoleine mixing, hot pressing are heated to 105 DEG C, keep 5-10min, then are warming up to 155 DEG C of holding 12-16min,
Cooling, is produced.
6. the preparation method of the porous amortizing packaging material of string according to claim 5, it is characterised in that：Step 1
Size after middle stalk crushing is in 5mm.
7. the preparation method of the porous amortizing packaging material of string according to claim 5, it is characterised in that：The hydrogen
The concentration of aqueous solution of sodium oxide is 2-5wt.%.
8. the preparation method of the porous amortizing packaging material of string according to claim 5, it is characterised in that：Step 1
Middle soaking temperature is 50-70 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710365466.5A CN107201048A (en) | 2017-05-22 | 2017-05-22 | A kind of porous amortizing packaging material of string and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710365466.5A CN107201048A (en) | 2017-05-22 | 2017-05-22 | A kind of porous amortizing packaging material of string and preparation method thereof |
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| CN107201048A true CN107201048A (en) | 2017-09-26 |
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| CN201710365466.5A Pending CN107201048A (en) | 2017-05-22 | 2017-05-22 | A kind of porous amortizing packaging material of string and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108276791A (en) * | 2018-02-12 | 2018-07-13 | 天津茂创科技发展有限公司 | Fiber-based porous material and its processing technology |
| CN108530931A (en) * | 2018-05-15 | 2018-09-14 | 安乡中意彩印包装有限责任公司 | A kind of environmental friendly packaging box and preparation method thereof prepared by waste |
| CN108724879A (en) * | 2018-05-04 | 2018-11-02 | 山东商业职业技术学院 | A kind of degradable fresh-keeping packaging material and its preparation method and application |
| CN110041721A (en) * | 2019-04-04 | 2019-07-23 | 邓明星 | A kind of disposable compound environment-friendly package material |
| CN110408225A (en) * | 2019-06-21 | 2019-11-05 | 涂民强 | A kind of preparation method of composite plant fiber buffer packaging material |
| CN114196221A (en) * | 2021-12-30 | 2022-03-18 | 太仓缤克新材料有限公司 | Degradable biomass fiber composite packaging product and preparation process thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108276791A (en) * | 2018-02-12 | 2018-07-13 | 天津茂创科技发展有限公司 | Fiber-based porous material and its processing technology |
| CN108724879A (en) * | 2018-05-04 | 2018-11-02 | 山东商业职业技术学院 | A kind of degradable fresh-keeping packaging material and its preparation method and application |
| CN108724879B (en) * | 2018-05-04 | 2020-06-05 | 山东商业职业技术学院 | Degradable fresh-keeping packaging material and preparation method and application thereof |
| CN108530931A (en) * | 2018-05-15 | 2018-09-14 | 安乡中意彩印包装有限责任公司 | A kind of environmental friendly packaging box and preparation method thereof prepared by waste |
| CN110041721A (en) * | 2019-04-04 | 2019-07-23 | 邓明星 | A kind of disposable compound environment-friendly package material |
| CN110408225A (en) * | 2019-06-21 | 2019-11-05 | 涂民强 | A kind of preparation method of composite plant fiber buffer packaging material |
| CN114196221A (en) * | 2021-12-30 | 2022-03-18 | 太仓缤克新材料有限公司 | Degradable biomass fiber composite packaging product and preparation process thereof |
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Application publication date: 20170926 |
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