CN110951271A - Recoverable environment-friendly bamboo fiber tableware - Google Patents
Recoverable environment-friendly bamboo fiber tableware Download PDFInfo
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- CN110951271A CN110951271A CN201911257526.7A CN201911257526A CN110951271A CN 110951271 A CN110951271 A CN 110951271A CN 201911257526 A CN201911257526 A CN 201911257526A CN 110951271 A CN110951271 A CN 110951271A
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 91
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 91
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 91
- 241001330002 Bambuseae Species 0.000 title claims abstract description 90
- 239000011425 bamboo Substances 0.000 title claims abstract description 90
- 239000000835 fiber Substances 0.000 title claims abstract description 78
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000008367 deionised water Substances 0.000 claims abstract description 23
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000002791 soaking Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 13
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 13
- 229920002472 Starch Polymers 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 13
- 239000000805 composite resin Substances 0.000 claims abstract description 13
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 13
- 239000008107 starch Substances 0.000 claims abstract description 13
- 235000019698 starch Nutrition 0.000 claims abstract description 13
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000010025 steaming Methods 0.000 claims abstract description 9
- 108090000790 Enzymes Proteins 0.000 claims abstract description 7
- 102000004190 Enzymes Human genes 0.000 claims abstract description 7
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 230000007071 enzymatic hydrolysis Effects 0.000 claims abstract description 3
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 claims abstract description 3
- 238000000227 grinding Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000004224 protection Effects 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 101000925662 Enterobacteria phage PRD1 Endolysin Proteins 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102000004317 Lyases Human genes 0.000 description 1
- 108090000856 Lyases Proteins 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
Abstract
The invention relates to the technical field of environment-friendly tableware, and discloses recyclable environment-friendly bamboo fiber tableware, which comprises the following raw materials in parts by weight: 100-150 parts of enzymolysis bamboo fiber, 50-70 parts of deionized water, 8-15 parts of kaolin, 15-20 parts of sodium silicate, 25-35 parts of thermosetting composite resin, 5-10 parts of starch and 12-15 parts of alumina powder; the enzymolysis bamboo fiber is prepared by the following method: soaking bamboo chips in a sodium hydroxide solution for 1-3 hours, washing with deionized water, soaking in a hydrochloric acid solution for 1-3 hours, washing with deionized water, steaming in a high-pressure steamer at the steaming temperature of 110-130 ℃ for 50-70 min to obtain steamed bamboo chips, soaking the steamed bamboo chips in a decomposition enzyme solution for 2-3 hours, and spin-drying in a centrifuge to obtain the enzymatic hydrolysis bamboo fibers. The recyclable environment-friendly bamboo fiber tableware is non-toxic, harmless, green and healthy, biodegradable, convenient to recycle and has the advantages of energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of environment-friendly tableware, in particular to recyclable environment-friendly bamboo fiber tableware.
Background
The bamboo fiber is a cellulose fiber extracted from naturally growing bamboos, is the fifth natural fiber after cotton, hemp, wool and silk, has the characteristics of good air permeability, instant water absorption, strong wear resistance, good dyeing property and the like, has the functions of natural antibiosis, bacteriostasis, mite removal, deodorization and ultraviolet resistance, and is a natural environment-friendly green fiber in the true sense.
Most of the existing catering utensils are made of food-grade plastics, ceramics, glass and the like, and are also made of natural bamboo bodies. With the increasing awareness of environmental protection, renewable natural plant fibers are widely used in the field of materials technology. Because the yield of the bamboo fiber is high and the raw material bamboo is renewable, the bamboo fiber is greatly beneficial to environmental protection if the bamboo fiber is used for preparing tableware. Compared with the traditional material tableware, the bamboo fiber tableware focuses on health and environmental protection concepts, and has no potential influence and harm on human bodies. After the environment-friendly material is used, the environment-friendly material can be discarded and degraded in the natural environment, and is a first-choice green product essential for eliminating white pollution, protecting resources and protecting the ecological environment in daily life.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a recyclable environment-friendly bamboo fiber tableware which has the advantages of no toxicity, no harm, recoverability, environmental protection and the like, and solves the problems that food-grade tableware made of plastics, ceramics and glass is not energy-saving and environment-friendly and has hidden health hazards in the prior art.
(II) technical scheme
In order to realize the purposes of no toxicity, no harm, recoverability and environmental protection, the invention provides the following technical scheme: the recyclable environment-friendly bamboo fiber tableware comprises the following raw materials in parts by weight:
100-150 parts of enzymolysis bamboo fiber, 50-70 parts of deionized water, 8-15 parts of kaolin, 15-20 parts of sodium silicate, 25-35 parts of thermosetting composite resin, 5-10 parts of starch and 12-15 parts of alumina powder;
the enzymolysis bamboo fiber is prepared by the following method: soaking bamboo chips in a sodium hydroxide solution for 1-3 hours, washing with deionized water, soaking in a hydrochloric acid solution for 1-3 hours, washing with deionized water, steaming in a high-pressure steamer at the steaming temperature of 110-130 ℃ for 50-70 min to obtain steamed bamboo chips, soaking the steamed bamboo chips in a decomposition enzyme solution for 2-3 hours, and spin-drying in a centrifuge to obtain the enzymatic hydrolysis bamboo fibers.
Preferably, the mass concentration of the sodium hydroxide solution is 4-6%.
Preferably, the mass concentration of the hydrochloric acid solution is 3-5%.
Preferably, the length of the bamboo chips is 10-15 cm, and the width of the bamboo chips is 0.3-0.6 cm.
Preferably, the mass concentration of the lyase solution is 5-10%.
Preferably, the rotating speed of the centrifugal machine is 600-1000 r/min, and the centrifugal time is 5-10 min.
The recyclable environment-friendly bamboo fiber tableware comprises the following preparation steps:
s1: adding the enzymolysis bamboo fiber into a ball mill, and uniformly grinding to obtain fiber powder;
s2: putting the fiber powder and deionized water in the step S1 into a mixer, and mixing and stirring at the speed of 500-700 rpm for 3-5 min at the temperature of 100-130 ℃;
s3: adding kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder into the mixer in the step S2, stirring at the speed of 800-1200 rpm at the temperature of 120-160 ℃ for 2-5 min, and cooling to normal temperature to obtain a mixture;
s4: adding the mixture obtained in the step S3 into a mold, performing hydraulic mold pressing and curing for 1-3 min at 120-150 ℃ by using a hydraulic machine, discharging gas for 5-8 times to prepare a blank, and removing peripheral burrs;
s5: cleaning the blank in the step S4 by alcohol, uniformly spraying a layer of transparent protective film on the outer surface of the blank after drying, and drying to obtain a semi-finished product;
s6: and (5) irradiating the semi-finished product in the step S5 with ultraviolet rays for sterilization treatment to obtain a bamboo fiber tableware finished product.
Preferably, the rotation speed of the ball mill in the step S1 is 200-300 r/min, and the grinding time is 15-30 min.
Preferably, the drying temperature in the step S5 is 110 to 130 ℃.
Preferably, the thickness of the protective film in the step S5 is 0.03-0.06 mm.
(III) advantageous effects
Compared with the prior art, the invention provides a recyclable environment-friendly bamboo fiber tableware, which has the following beneficial effects:
according to the recyclable environment-friendly bamboo fiber tableware, enzymolysis bamboo fibers are used as main components, kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder are added as auxiliary components, and the prepared bamboo fiber tableware is not only non-toxic, harmless, green and healthy, but also biodegradable, convenient to recycle and has the advantages of energy conservation and environmental protection through the processes of grinding, mixing and stirring, pressing, spraying, sterilizing and the like.
Detailed Description
The invention discloses a recyclable environment-friendly bamboo fiber tableware, which can be realized by appropriately improving process parameters by referring to the contents in the field. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the invention has been described in terms of preferred embodiments, it will be apparent to those skilled in the art that the present technology can be practiced and applied with modification, or with appropriate modification and combination, without departing from the spirit and scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The invention is further illustrated by the following examples.
Example one
The recyclable environment-friendly bamboo fiber tableware comprises the following raw materials in parts by weight:
100 parts of enzymolysis bamboo fiber, 50 parts of deionized water, 8 parts of kaolin, 15 parts of sodium silicate, 25 parts of thermosetting composite resin, 5 parts of starch and 12 parts of alumina powder;
the enzymolysis bamboo fiber is prepared by the following method: soaking bamboo chips in sodium hydroxide solution for 1h, washing with deionized water, soaking in hydrochloric acid solution for 1h, washing with deionized water, steaming in a high-pressure steamer at 110 deg.C for 50min to obtain steamed bamboo chips, soaking in decomposition enzyme solution for 2h, and centrifuging to obtain enzymolysis bamboo fiber.
The mass concentration of the sodium hydroxide solution was 4%.
The mass concentration of the hydrochloric acid solution was 3%.
The bamboo chips have a length of 10cm and a width of 0.3 cm.
The mass concentration of the lytic enzyme solution was 5%.
The rotation speed of the centrifuge is 600r/min, and the centrifugation time is 5 min.
The recyclable environment-friendly bamboo fiber tableware comprises the following preparation steps:
s1: adding the enzymolysis bamboo fiber into a ball mill, and uniformly grinding to obtain fiber powder;
s2: putting the fiber powder and deionized water in the step S1 into a mixer, and mixing and stirring at the speed of 500rpm at 100 ℃ for 3 min;
s3: adding kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder into the mixer in the step S2, stirring at the speed of 800rpm at 120 ℃ for 2min, and cooling to normal temperature to obtain a mixture;
s4: adding the mixture obtained in the step S3 into a die, performing hydraulic die pressing at 120 ℃ by using a hydraulic machine for curing for 1min, deflating for 5 times, making into a blank, and removing peripheral burrs;
s5: cleaning the blank in the step S4 by alcohol, uniformly spraying a layer of transparent protective film on the outer surface of the blank after drying, and drying to obtain a semi-finished product;
s6: and (5) irradiating the semi-finished product in the step S5 with ultraviolet rays for sterilization treatment to obtain a bamboo fiber tableware finished product.
In step S1, the rotation speed of the ball mill is 200r/min, and the grinding time is 15 min.
The drying temperature in step S5 is 110 ℃.
The thickness of the protective film in step S5 was 0.03 mm.
Example two
The recyclable environment-friendly bamboo fiber tableware comprises the following raw materials in parts by weight:
130 parts of enzymolysis bamboo fiber, 60 parts of deionized water, 10 parts of kaolin, 17 parts of sodium silicate, 30 parts of thermosetting composite resin, 8 parts of starch and 13 parts of alumina powder;
the enzymolysis bamboo fiber is prepared by the following method: soaking bamboo chips in sodium hydroxide solution for 2h, washing with deionized water, soaking in hydrochloric acid solution for 2h, washing with deionized water, steaming in a high-pressure steamer at 120 deg.C for 60min to obtain steamed bamboo chips, soaking in decomposition enzyme solution for 3h, and centrifuging to obtain enzymatic bamboo fiber.
The mass concentration of the sodium hydroxide solution was 5%.
The mass concentration of the hydrochloric acid solution is 4%.
The length of the bamboo chip is 12cm, and the width of the bamboo chip is 0.5 cm.
The mass concentration of the solution of the lytic enzyme was 8%.
The rotation speed of the centrifuge is 700r/min, and the centrifugation time is 7 min.
The recyclable environment-friendly bamboo fiber tableware comprises the following preparation steps:
s1: adding the enzymolysis bamboo fiber into a ball mill, and uniformly grinding to obtain fiber powder;
s2: putting the fiber powder in the step S1 and deionized water into a mixer, and mixing and stirring at the speed of 600rpm at 120 ℃ for 4 min;
s3: adding kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder into the mixer in the step S2, stirring at the speed of 1000rpm at 140 ℃ for 3min, and cooling to normal temperature to obtain a mixture;
s4: adding the mixture obtained in the step S3 into a die, performing liquid pressing and die curing for 2min at 140 ℃ by using a hydraulic machine, deflating for 6 times to prepare a blank, and removing peripheral burrs;
s5: cleaning the blank in the step S4 by alcohol, uniformly spraying a layer of transparent protective film on the outer surface of the blank after drying, and drying to obtain a semi-finished product;
s6: and (5) irradiating the semi-finished product in the step S5 with ultraviolet rays for sterilization treatment to obtain a bamboo fiber tableware finished product.
In step S1, the rotation speed of the ball mill is 250r/min, and the grinding time is 25 min.
The drying temperature in step S5 was 120 ℃.
The thickness of the protective film in step S5 was 0.04 mm.
EXAMPLE III
The recyclable environment-friendly bamboo fiber tableware comprises the following raw materials in parts by weight:
150 parts of enzymolysis bamboo fiber, 70 parts of deionized water, 13 parts of kaolin, 15 parts of sodium silicate, 25 parts of thermosetting composite resin, 10 parts of starch and 15 parts of alumina powder;
the enzymolysis bamboo fiber is prepared by the following method: soaking bamboo chips in sodium hydroxide solution for 3h, washing with deionized water, soaking in hydrochloric acid solution for 3h, washing with deionized water, steaming in a high-pressure steamer at 130 deg.C for 70min to obtain steamed bamboo chips, soaking in decomposition enzyme solution for 3h, and centrifuging to obtain enzymatic bamboo fiber.
The mass concentration of the sodium hydroxide solution was 6%.
The mass concentration of the hydrochloric acid solution is 5%.
The length of the bamboo chip is 15cm, and the width of the bamboo chip is 0.6 cm.
The mass concentration of the solution of the lytic enzyme is 10%.
The rotating speed of the centrifuge is 1000r/min, and the centrifugation time is 10 min.
The recyclable environment-friendly bamboo fiber tableware comprises the following preparation steps:
s1: adding the enzymolysis bamboo fiber into a ball mill, and uniformly grinding to obtain fiber powder;
s2: putting the fiber powder in the step S1 and deionized water into a mixer, and mixing and stirring at the speed of 700rpm at the temperature of 130 ℃ for 5 min;
s3: adding kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder into the mixer in the step S2, stirring at the speed of 1200rpm at 160 ℃ for 5min, and cooling to normal temperature to obtain a mixture;
s4: adding the mixture obtained in the step S3 into a mold, performing hydraulic mold pressing and curing for 3min at 120-150 ℃ by using a hydraulic machine, discharging gas for 8 times to prepare a blank, and removing peripheral burrs;
s5: cleaning the blank in the step S4 by alcohol, uniformly spraying a layer of transparent protective film on the outer surface of the blank after drying, and drying to obtain a semi-finished product;
s6: and (5) irradiating the semi-finished product in the step S5 with ultraviolet rays for sterilization treatment to obtain a bamboo fiber tableware finished product.
In step S1, the rotation speed of the ball mill is 300r/min, and the grinding time is 30 min.
The drying temperature in step S5 was 130 ℃.
The thickness of the protective film in step S5 was 0.06 mm.
In conclusion, the recyclable environment-friendly bamboo fiber tableware is prepared by taking enzymolysis bamboo fibers as a main component, adding kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder as auxiliary components, and performing grinding, mixing and stirring, pressing, spraying, sterilizing and other processes, so that the prepared bamboo fiber tableware is non-toxic, harmless, green and healthy, biodegradable, convenient to recycle and has the advantages of energy conservation and environmental protection.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a recoverable environment-friendly bamboo fibre tableware which characterized in that: the feed comprises the following raw materials in parts by weight:
100-150 parts of enzymolysis bamboo fiber, 50-70 parts of deionized water, 8-15 parts of kaolin, 15-20 parts of sodium silicate, 25-35 parts of thermosetting composite resin, 5-10 parts of starch and 12-15 parts of alumina powder;
the enzymolysis bamboo fiber is prepared by the following method: soaking bamboo chips in a sodium hydroxide solution for 1-3 hours, washing with deionized water, soaking in a hydrochloric acid solution for 1-3 hours, washing with deionized water, steaming in a high-pressure steamer at the steaming temperature of 110-130 ℃ for 50-70 min to obtain steamed bamboo chips, soaking the steamed bamboo chips in a decomposition enzyme solution for 2-3 hours, and spin-drying in a centrifuge to obtain the enzymatic hydrolysis bamboo fibers.
2. The recyclable environment-friendly bamboo fiber tableware according to claim 1, wherein: the mass concentration of the sodium hydroxide solution is 4-6%.
3. The recyclable environment-friendly bamboo fiber tableware according to claim 1, wherein: the mass concentration of the hydrochloric acid solution is 3-5%.
4. The recyclable environment-friendly bamboo fiber tableware according to claim 1, wherein: the bamboo chips are 10-15 cm in length and 0.3-0.6 cm in width.
5. The recyclable environment-friendly bamboo fiber tableware according to claim 1, wherein: the mass concentration of the decomposition enzyme solution is 5-10%.
6. The recyclable environment-friendly bamboo fiber tableware according to claim 1, wherein: the rotating speed of the centrifugal machine is 600-1000 r/min, and the centrifugal time is 5-10 min.
7. The utility model provides a recoverable environment-friendly bamboo fibre tableware which characterized in that: the preparation method comprises the following preparation steps:
s1: adding the enzymolysis bamboo fiber into a ball mill, and uniformly grinding to obtain fiber powder;
s2: putting the fiber powder and deionized water in the step S1 into a mixer, and mixing and stirring at the speed of 500-700 rpm for 3-5 min at the temperature of 100-130 ℃;
s3: adding kaolin, sodium silicate, thermosetting composite resin, starch and alumina powder into the mixer in the step S2, stirring at the speed of 800-1200 rpm at the temperature of 120-160 ℃ for 2-5 min, and cooling to normal temperature to obtain a mixture;
s4: adding the mixture obtained in the step S3 into a mold, performing hydraulic mold pressing and curing for 1-3 min at 120-150 ℃ by using a hydraulic machine, discharging gas for 5-8 times to prepare a blank, and removing peripheral burrs;
s5: cleaning the blank in the step S4 by alcohol, uniformly spraying a layer of transparent protective film on the outer surface of the blank after drying, and drying to obtain a semi-finished product;
s6: and (5) irradiating the semi-finished product in the step S5 with ultraviolet rays for sterilization treatment to obtain a bamboo fiber tableware finished product.
8. The recyclable environment-friendly bamboo fiber tableware according to claim 7, wherein: in the step S1, the rotation speed of the ball mill is 200-300 r/min, and the grinding time is 15-30 min.
9. The recyclable environment-friendly bamboo fiber tableware according to claim 7, wherein: and the drying temperature in the step S5 is 110-130 ℃.
10. The recyclable environment-friendly bamboo fiber tableware according to claim 7, wherein: the thickness of the protective film in the step S5 is 0.03-0.06 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911257526.7A CN110951271A (en) | 2019-12-10 | 2019-12-10 | Recoverable environment-friendly bamboo fiber tableware |
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| CN201911257526.7A CN110951271A (en) | 2019-12-10 | 2019-12-10 | Recoverable environment-friendly bamboo fiber tableware |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733631A (en) * | 2020-06-23 | 2020-10-02 | 安徽德琳环保发展（集团）有限公司 | Preparation method of bamboo fiber lunch box |
| CN112761017A (en) * | 2020-12-31 | 2021-05-07 | 广东华凯科技股份有限公司 | Method for preparing high-hardness fiberboard with bamboo fiber as raw material |
-
2019
- 2019-12-10 CN CN201911257526.7A patent/CN110951271A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733631A (en) * | 2020-06-23 | 2020-10-02 | 安徽德琳环保发展（集团）有限公司 | Preparation method of bamboo fiber lunch box |
| CN112761017A (en) * | 2020-12-31 | 2021-05-07 | 广东华凯科技股份有限公司 | Method for preparing high-hardness fiberboard with bamboo fiber as raw material |
| CN112761017B (en) * | 2020-12-31 | 2022-10-04 | 广东华凯科技股份有限公司 | Method for preparing high-hardness fiberboard with bamboo fiber as raw material |
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