CN110076922A - A kind of BIODEGRADABLE FIBER MATERIAL and preparation method thereof - Google Patents
A kind of BIODEGRADABLE FIBER MATERIAL and preparation method thereof Download PDFInfo
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- CN110076922A CN110076922A CN201910415988.0A CN201910415988A CN110076922A CN 110076922 A CN110076922 A CN 110076922A CN 201910415988 A CN201910415988 A CN 201910415988A CN 110076922 A CN110076922 A CN 110076922A
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- biodegradable fiber
- preparation
- fiber material
- water hyacinth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Biological Depolymerization Polymers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of BIODEGRADABLE FIBER MATERIALs and preparation method thereof, the described method comprises the following steps: 1) will obtain Water hyacinth powder after Water hyacinth drying, crushing, sieving；2) Water hyacinth powder is successively soaked in methanol, in dimethylacetamide, obtains material A；3) material A is placed in lye and carries out basification, obtain material B after chloroethanes heating heating is then added；4) material B is subjected to radiation treatment；5) crosslinking Treatment is carried out to the material B after irradiation, obtains material C；6) material C is placed in extrusion granulation in twin (double) screw extruder, obtains the BIODEGRADABLE FIBER MATERIAL.Fibrous material of the invention has excellent biological degradability, can be used as new green environment protection material part substituted for plastic and has broad application prospects for making Blister product, flexible packing material etc..
Description
Technical field
The invention belongs to degradation material technical fields, and in particular to a kind of BIODEGRADABLE FIBER MATERIAL and its preparation side
Method.
Background technique
Biodegradation material refers to can under the respiration or chemosynthesis of the nature microorganisms such as fungi, bacterium
With the material of degradation.Cellulose is the most abundant natural polymer of reserves in the world, it be passed through by plant it is photosynthetic
A kind of polymer for acting on synthesis has many advantages, such as renewable, biodegradable, environmental-friendly, pollution-free, is that technical grade can be held
The main source of continuous material.
Water hyacinth is that one kind is swum herbaceous plant, research shows that the content of cellulose in its stem is abundant, can extract and is used for
Make composite material.But Water hyacinth is listed in the world one of the weeds of most invasive, often due to excessive multiplication, blocks water
Road influences traffic.Therefore, annual to spend a large amount of man power and material to control its adverse effect.Therefore, Water hyacinth is converted
For the Biodegradable material of cheap price and excellent quality, it is a problem to be solved.
Summary of the invention
It is the BIODEGRADABLE FIBER MATERIAL and its preparation of raw material that the purpose of the present invention is to provide a kind of using Water hyacinth
Method.
To achieve the goals above, the technical solution of the present invention is as follows:
A kind of preparation method of BIODEGRADABLE FIBER MATERIAL, comprising the following steps:
1) Water hyacinth is pulled out from water, takes its stem, drying, crushing, sieving, obtain Water hyacinth powder after cleaning；
2) Water hyacinth powder is placed in methanol and impregnates 30-40min, then filter removal methanol, then by Water hyacinth powder
It is placed in dimethylacetamide and impregnates 50-70min, then filter removal dimethylacetamide, collect through treated material A；
3) above-mentioned material A is placed in lye, is stirred evenly, 1-2h is heated at 45-55 DEG C, chloroethanes then is added simultaneously
It stirs evenly, is warming up to 150-180 DEG C, heat 10-12h, obtain material B；
4) above-mentioned material B is placed in aluminium foil bag, radiation treatment is carried out after sealing；
5) crosslinking Treatment is carried out to the material B spray crosslinking agent after irradiation, obtains material C；
6) material C is placed in twin (double) screw extruder and carries out extrusion granulation, obtain the BIODEGRADABLE FIBER MATERIAL.
Further, in step 3), the lye is the sodium hydroxide solution of concentration 70-85%.
Further, in step 3), the material A, lye, chloroethanes weight ratio be 1: 8-10: 3-5.
Further, in step 4), the radiation treatment is using x-ray irradiation.
The radiation treatment condition are as follows: x-ray irradiation dosage is 8-10kGy/h, and X-ray frequency is 800-1000Hz.
Further, in step 5), the crosslinking agent is the glyoxal solution of concentration 5-6%.
Further, in step 6), during the extrusion granulation, twin (double) screw extruder I area's temperature is 85-95 DEG C, II
Area's temperature is 95-105 DEG C, to take temperature be 105-115 DEG C to III, the area IV temperature is 115-125 DEG C.
Using above-mentioned technical solution, compared with prior art, the present invention it has the beneficial effect that the present invention will dry
Dry, smashed Water hyacinth powder is successively soaked in methanol, in dimethylacetamide, so that the cellulose chain in Water hyacinth powder
Between interaction of hydrogen bond reduction, then Water hyacinth is successively handled after alkalizing, being etherified using radiation modification again, finally
Fibrous material is made in extrusion granulation, which has excellent biological degradability, is easy to be decomposed by the microorganisms into after discarded
Carbon dioxide and water, it is free from environmental pollution.The method of the present invention is simple and easy to do, pollution-free, low in cost, not only solves Water hyacinth
Agriculture processing problem, and fibrous material obtained has excellent biological degradability, can be used as new green environment protection material portion
Substituted for plastic is divided to have broad application prospects for making Blister product, flexible packing material etc..
Specific embodiment
Embodiment 1
A kind of preparation method of BIODEGRADABLE FIBER MATERIAL, comprising the following steps:
1) Water hyacinth is pulled out from water, takes its stem, drying, crushing, sieving, obtain Water hyacinth powder after cleaning；
2) Water hyacinth powder is placed in methanol and impregnates 30min, then filter removal methanol, then Water hyacinth powder is placed in
70min is impregnated in dimethylacetamide, is then filtered removal dimethylacetamide, is collected through treated material A；
3) above-mentioned material A is placed in the sodium hydroxide solution of concentration 70%, is stirred evenly, 2h is heated at 45 DEG C, so
Chloroethanes is added afterwards and stirs evenly, is warming up to 150 DEG C, heats 12h, obtain material B；
Wherein, material A, lye, chloroethanes weight ratio be 1: 8: 3；
4) above-mentioned material B is placed in aluminium foil bag, radiation treatment is carried out using X-ray after sealing, x-ray irradiation dosage is
8kGy/h, X-ray frequency are 800Hz；
5) crosslinking Treatment is carried out to the glyoxal solution of the material B spray concentration 5% after irradiation, obtains material C；
6) material C is placed in twin (double) screw extruder, the setting area twin (double) screw extruder I temperature is 85 DEG C, the area II temperature is
95 DEG C, to take temperature be 105 DEG C to III, the area IV temperature is 115 DEG C, extrusion granulation obtains BIODEGRADABLE FIBER MATERIAL.
Embodiment 2
A kind of preparation method of BIODEGRADABLE FIBER MATERIAL, comprising the following steps:
1) Water hyacinth is pulled out from water, takes its stem, drying, crushing, sieving, obtain Water hyacinth powder after cleaning；
2) Water hyacinth powder is placed in methanol and impregnates 40min, then filter removal methanol, then Water hyacinth powder is placed in
50min is impregnated in dimethylacetamide, is then filtered removal dimethylacetamide, is collected through treated material A；
3) above-mentioned material A is placed in the sodium hydroxide solution of concentration 85%, is stirred evenly, 1h is heated at 55 DEG C, so
Chloroethanes is added afterwards and stirs evenly, is warming up to 180 DEG C, heats 10h, obtain material B；
Wherein, material A, lye, chloroethanes weight ratio be 1: 10: 5；
4) above-mentioned material B is placed in aluminium foil bag, radiation treatment is carried out using X-ray after sealing, x-ray irradiation dosage is
10kGy/h, X-ray frequency are 1000Hz；
5) crosslinking Treatment is carried out to the glyoxal solution of the material B spray concentration 6% after irradiation, obtains material C；
6) material C is placed in twin (double) screw extruder, the setting area twin (double) screw extruder I temperature is 95 DEG C, the area II temperature is
105 DEG C, to take temperature be 115 DEG C to III, the area IV temperature is 125 DEG C, extrusion granulation obtains BIODEGRADABLE FIBER MATERIAL.
Embodiment 3
A kind of preparation method of BIODEGRADABLE FIBER MATERIAL, comprising the following steps:
1) Water hyacinth is pulled out from water, takes its stem, drying, crushing, sieving, obtain Water hyacinth powder after cleaning；
2) Water hyacinth powder is placed in methanol and impregnates 35min, then filter removal methanol, then Water hyacinth powder is placed in
60min is impregnated in dimethylacetamide, is then filtered removal dimethylacetamide, is collected through treated material A；
3) above-mentioned material A is placed in the sodium hydroxide solution of concentration 75%, is stirred evenly, heat 1.5h at 50 DEG C,
Then chloroethanes is added and stirs evenly, is warming up to 165 DEG C, heats 10h, obtain material B；
Wherein, material A, lye, chloroethanes weight ratio be 1: 9: 4；
4) above-mentioned material B is placed in aluminium foil bag, radiation treatment is carried out using X-ray after sealing, x-ray irradiation dosage is
10kGy/h, X-ray frequency are 800Hz；
5) crosslinking Treatment is carried out to the glyoxal solution of the material B spray concentration 5.5% after irradiation, obtains material C；
6) material C is placed in twin (double) screw extruder, the setting area twin (double) screw extruder I temperature is 90 DEG C, the area II temperature is
100 DEG C, to take temperature be 110 DEG C to III, the area IV temperature is 120 DEG C, extrusion granulation obtains BIODEGRADABLE FIBER MATERIAL.
By BIODEGRADABLE FIBER MATERIAL made from embodiment 1-3 carry out biological degradation rate test, test method according to
ISO:14855, test result are as shown in table 1.
1 BIODEGRADABLE FIBER MATERIAL performance test of table
| Group | Biological degradation rate (%) |
| Embodiment 1 | 82.3% |
| Embodiment 2 | 80.9% |
| Embodiment 3 | 83.1% |
As shown in Table 1, fibrous material produced by the present invention has excellent biological degradability, can be used as new green environment protection
Material part substituted for plastic has broad application prospects for making Blister product, flexible packing material etc..
The above is the embodiment of the present invention, for the ordinary skill in the art, religion according to the present invention
Lead, without departing from the principles and spirit of the present invention all equivalent changes done according to scope of the present invention patent, repair
Change, replacement and variant, is all covered by the present invention.
Claims (8)
1. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL, it is characterised in that: itself the following steps are included:
1) Water hyacinth is pulled out from water, takes its stem, drying, crushing, sieving, obtain Water hyacinth powder after cleaning；
2) Water hyacinth powder is placed in methanol and impregnates 30-40min, then filter removal methanol, then Water hyacinth powder is placed in
50-70min is impregnated in dimethylacetamide, is then filtered removal dimethylacetamide, is collected through treated material A；
3) above-mentioned material A is placed in lye, is stirred evenly, 1-2h is heated at 45-55 DEG C, chloroethanes is then added and stirred
Uniformly, it is warming up to 150-180 DEG C, 10-12h is heated, obtains material B；
4) above-mentioned material B is placed in aluminium foil bag, radiation treatment is carried out after sealing；
5) crosslinking Treatment is carried out to the material B spray crosslinking agent after irradiation, obtains material C；
6) material C is placed in twin (double) screw extruder and carries out extrusion granulation, obtain the BIODEGRADABLE FIBER MATERIAL.
2. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL according to claim 1, it is characterised in that: step 3)
In, the lye is the sodium hydroxide solution of concentration 70-85%.
3. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL according to claim 1, it is characterised in that: step 3)
In, the material A, lye, chloroethanes weight ratio be 1: 8-10: 3-5.
4. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL according to claim 1, it is characterised in that: step 4)
In, the radiation treatment is using x-ray irradiation.
5. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL according to claim 4, it is characterised in that: the irradiation
Treatment conditions are as follows: x-ray irradiation dosage is 8-10kGy/h, and X-ray frequency is 800-1000Hz.
6. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL according to claim 1, it is characterised in that: step 5)
In, the crosslinking agent is the glyoxal solution of concentration 5-6%.
7. a kind of preparation method of BIODEGRADABLE FIBER MATERIAL according to claim 1, it is characterised in that: step 6)
In, during the extrusion granulation, the area twin (double) screw extruder I temperature is 85-95 DEG C, the area II temperature is 95-105 DEG C, III takes
Temperature is 105-115 DEG C, the area IV temperature is 115-125 DEG C.
8. the BIODEGRADABLE FIBER MATERIAL that -7 any preparation methods obtain according to claim 1.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268144A (en) * | 2011-06-14 | 2011-12-07 | 武汉华丽环保科技有限公司 | Biodegradable polylactic acid-starch thermal-resistance composite material and preparation method thereof |
| CN102643356A (en) * | 2012-03-20 | 2012-08-22 | 邸勇 | Two-step production process of ethyl cellulose with high degree of substitution |
| CN103951842A (en) * | 2014-05-14 | 2014-07-30 | 赵永富 | Preparation method for controllable biodegradable material |
| CN106366349A (en) * | 2016-08-29 | 2017-02-01 | 昆明理工大学 | Preparation method for corncob micron fiber-reinforced oxycellulose/polyvinyl alcohol blending mulching film |
| CN106496334A (en) * | 2016-11-21 | 2017-03-15 | 泸州北方化学工业有限公司 | A kind of low degree of substitution ethyl cellulose and preparation method thereof |
| CN109627346A (en) * | 2018-12-06 | 2019-04-16 | 泸州北方纤维素有限公司 | Ultra-low viscosity ethyl cellulose having good stability and preparation method thereof |
-
2019
- 2019-05-19 CN CN201910415988.0A patent/CN110076922A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268144A (en) * | 2011-06-14 | 2011-12-07 | 武汉华丽环保科技有限公司 | Biodegradable polylactic acid-starch thermal-resistance composite material and preparation method thereof |
| CN102643356A (en) * | 2012-03-20 | 2012-08-22 | 邸勇 | Two-step production process of ethyl cellulose with high degree of substitution |
| CN103951842A (en) * | 2014-05-14 | 2014-07-30 | 赵永富 | Preparation method for controllable biodegradable material |
| CN106366349A (en) * | 2016-08-29 | 2017-02-01 | 昆明理工大学 | Preparation method for corncob micron fiber-reinforced oxycellulose/polyvinyl alcohol blending mulching film |
| CN106496334A (en) * | 2016-11-21 | 2017-03-15 | 泸州北方化学工业有限公司 | A kind of low degree of substitution ethyl cellulose and preparation method thereof |
| CN109627346A (en) * | 2018-12-06 | 2019-04-16 | 泸州北方纤维素有限公司 | Ultra-low viscosity ethyl cellulose having good stability and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 巫松桢等: "《电气绝缘材料科学与工程》", 31 August 1996, 西安交通大学出版社 * |
| 杨之礼等: "《纤维素与粘胶纤维 上册》", 31 December 1981, 纺织工业出版社 * |
| 邢存章等: "《有机化学》", 31 October 2001, 山东大学出版社 * |
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