CN105936682B - A kind of high temperature resistant biodegradable plastic - Google Patents
A kind of high temperature resistant biodegradable plastic Download PDFInfo
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- CN105936682B CN105936682B CN201610413210.2A CN201610413210A CN105936682B CN 105936682 B CN105936682 B CN 105936682B CN 201610413210 A CN201610413210 A CN 201610413210A CN 105936682 B CN105936682 B CN 105936682B
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- 229920000704 biodegradable plastic Polymers 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 44
- 240000008042 Zea mays Species 0.000 claims abstract description 29
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 29
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims abstract description 28
- 235000009973 maize Nutrition 0.000 claims abstract description 28
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 16
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000013339 cereals Nutrition 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000010902 straw Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 239000010445 mica Substances 0.000 claims abstract description 3
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 19
- 108010059892 Cellulase Proteins 0.000 claims description 7
- 229940106157 cellulase Drugs 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 abstract description 9
- 230000004580 weight loss Effects 0.000 description 15
- 108010059820 Polygalacturonase Proteins 0.000 description 6
- 108010093305 exopolygalacturonase Proteins 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 229920002472 Starch Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of preparation methods of novel fire resistant biodegradable plastic, steps are as follows: (1) preparing master batch: according to parts by weight, it weighs as 4-6 portions of brewex's grains, 22-39 parts of pretreated maize yellow-powders, 2-3 parts of straw powders, 2-3 parts of mica powders, after mixing, the alcohol that 6 parts of concentration are 35% is added, 4 parts of glycerol are used as raw material after mixing；Twin (double) screw extruder temperature is set as 88-92 DEG C.Screw rod rotational speed is 130r/min, rate of feeding 48-50g/min, the mixture of preservation is put into extruder, extrudate is cut into diameter 3mm, the master batch of long 3mm at extruder barrel orifice exit；(2) temperature of extruder is set as 100-120 DEG C, according to specification, extrusion forming.
Description
Technical field
The invention belongs to chemical technology fields, and in particular to a kind of high temperature resistant biodegradable plastic.
Background technique
The researcher of various countries utilizes a variety of materials, such as starch, protein, the natural polymers such as plant fiber to produce respectively
The plastics of kind fully biodegradable, but the product of energy practical application is also seldom.Restricting the critical issue that it is applied is
High production cost.
Prior art someone using maize yellow-powder (be the by-product of Starch Production, its market price well below starch and
Other natural goods materials, therefore held out broad prospects using maize yellow-powder production degradability plastics), the corn in maize yellow-powder
Protein can be with plastification under the action of plasticizer and temperature.The prior art utilizes twin (double) screw extruder at a certain temperature
Pressure is applied to maize yellow-powder by screw rod, is modified albumen therein, extrusion forming is maize yellow-powder degradable modeling
Material.In addition, with regard to soybean-drag fiber to the intensity effect of enhancing extrusion forming maize yellow-powder degradable plastics, the thermal characteristics of molding
It is studied with internal structure.Wherein, when not adding soybean-drag fiber.The tensile strength of test specimen is 9.85MPa, when the matter of bean dregs
When amount score reaches 20%.The tensile strength of test specimen increases to 13.2Mpa, and high temperature resistance at most can only achieve 240 DEG C.
The present invention is intended to provide a kind of novel fire resistant biodegradable plastic and preparation method thereof, simple process is grasped well
Make, tensile strength can be prepared and be up to 16.8-19.5Mpa, high temperature resistant is up to 300-380 DEG C of biodegradable plastic.
Summary of the invention
Technical problems based on background technology, the present invention background technique there are aiming at the problem that, the present invention provide one
Kind novel fire resistant biodegradable plastic and preparation method thereof, simple process operates well, can prepare tensile strength and be up to
16.8-19.5Mpa high temperature resistant is up to 300-380 DEG C of biodegradable plastic.
The purpose of the present invention is achieved through the following technical solutions:
A kind of preparation method of novel fire resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 4-6 portions of brewex's grains, 22-39 parts of pretreated maize yellow-powders, 2-3 parts of stalks
The alcohol that 6 parts of concentration are 35% is added after mixing in powder, 2-3 part mica powder, and 4 parts of glycerol are used as raw material after mixing；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, 0.1 part of 30,000 u/ml's
Pectinase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 10-13min of constant temperature；
Twin (double) screw extruder temperature is set as 88-92 DEG C.Screw rod rotational speed is 130r/min, rate of feeding 48-
The mixture of preservation is put into extruder by 50g/min, and extrudate is cut into diameter 3mm at extruder barrel orifice exit, long
The master batch of 3mm；
(2) temperature of extruder is set as 100-120 DEG C, according to specification, extrusion forming.
The invention has the beneficial effects that:
(1) present invention process is simple, environmentally protective, can prepare tensile strength and be up to 20.3-29.8Mpa, high temperature resistant is high
Up to 300-380 DEG C of biodegradable plastic.
(2) humidification process is not necessarily to after preparation, humidity directly up to 40-50%, saves the time.
Specific embodiment
Embodiment 1:
A kind of preparation method of novel fire resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 4 portions of brewex's grains, 39 parts of pretreated maize yellow-powders, 2 parts of straw powders, 3 parts of clouds
The alcohol that 6 parts of concentration are 35% is added after mixing in female powder, and 4 parts of glycerol are used as raw material after mixing；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, 0.1 part of 30,000 u/ml's
Pectinase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 10min of constant temperature；
Twin (double) screw extruder temperature is set as 92 DEG C.Screw rod rotational speed be 130r/min, rate of feeding 48g/min,
The mixture of preservation is put into extruder, extrudate is cut into diameter 3mm, the master batch of long 3mm at extruder barrel orifice exit；
(2) temperature of extruder is set as 120 DEG C, and extruding obtains the test film that width is 25mm, thickness is 1.5mm.
As a result:
Tensile strength uses GB3830-83 measuring method.
Tensile strength is up to 29.8 Mpa.
Thermal stability: at 250 DEG C, thermal weight loss 3%, at 380 DEG C, thermal weight loss 8%, hereafter increasing with temperature, thermal weight loss
Sharply decline.
Embodiment 2:
A kind of preparation method of novel fire resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 6 portions of brewex's grains, 22 parts of pretreated maize yellow-powders, 3 parts of straw powders, 2 parts of clouds
The alcohol that 6 parts of concentration are 35% is added after mixing in female powder, and 4 parts of glycerol are used as raw material after mixing；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, 0.1 part of 30,000 u/ml's
Pectinase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 13min of constant temperature；
Twin (double) screw extruder temperature is set as 88 DEG C.Screw rod rotational speed be 130r/min, rate of feeding 50g/min,
The mixture of preservation is put into extruder, extrudate is cut into diameter 3mm, the master batch of long 3mm at extruder barrel orifice exit；
(2) temperature of extruder is set as 100 DEG C, and extruding obtains the test film that width is 25mm, thickness is 1.5mm.
As a result:
Tensile strength uses GB3830-83 measuring method.
Tensile strength is up to 29.5 Mpa.
Thermal stability: at 250 DEG C, thermal weight loss 3%, at 300 DEG C, thermal weight loss 10%, hereafter increasing with temperature, thermal weight loss
Sharply decline.
Embodiment 3:
A kind of preparation method of novel fire resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 5 portions of brewex's grains, 30 parts of pretreated maize yellow-powders, 2 parts of straw powders, 3 parts of clouds
The alcohol that 6 parts of concentration are 35% is added after mixing in female powder, and 4 parts of glycerol are used as raw material after mixing；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, 0.1 part of 30,000 u/ml's
Pectinase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 11min of constant temperature；
Twin (double) screw extruder temperature is set as 91 DEG C.Screw rod rotational speed be 130r/min, rate of feeding 49g/min,
The mixture of preservation is put into extruder, extrudate is cut into diameter 3mm, the master batch of long 3mm at extruder barrel orifice exit；
(2) temperature of extruder is set as 105 DEG C, and extruding obtains the test film that width is 25mm, thickness is 1.5mm.
As a result:
Tensile strength uses GB3830-83 measuring method.
Tensile strength is up to 23.7 Mpa.
Thermal stability: at 250 DEG C, thermal weight loss 3%, at 350 DEG C, thermal weight loss 9%, hereafter increasing with temperature, thermal weight loss
Sharply decline.
Embodiment 4:
A kind of preparation method of novel fire resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 6 portions of brewex's grains, 23 parts of pretreated maize yellow-powders, 3 parts of straw powders, 2 parts of clouds
The alcohol that 6 parts of concentration are 35% is added after mixing in female powder, and 4 parts of glycerol are used as raw material after mixing；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, 0.1 part of 30,000 u/ml's
Pectinase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 12min of constant temperature；
Twin (double) screw extruder temperature is set as 89 DEG C.Screw rod rotational speed be 130r/min, rate of feeding 48g/min,
The mixture of preservation is put into extruder, extrudate is cut into diameter 3mm, the master batch of long 3mm at extruder barrel orifice exit；
(2) temperature of extruder is set as 115 DEG C, and extruding obtains the test film that width is 25mm, thickness is 1.5mm.
As a result:
Tensile strength uses GB3830-83 measuring method.
Tensile strength is up to 20.3 Mpa.
Thermal stability: at 250 DEG C, thermal weight loss 3%, at 317 DEG C, thermal weight loss 8%, hereafter increasing with temperature, thermal weight loss
Sharply decline.
Embodiment 5:
A kind of preparation method of novel fire resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 4 portions of brewex's grains, 27 parts of pretreated maize yellow-powders, 2 parts of straw powders, 3 parts of clouds
The alcohol that 6 parts of concentration are 35% is added after mixing in female powder, and 4 parts of glycerol are used as raw material after mixing；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, 0.1 part of 30,000 u/ml's
Pectinase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 10min of constant temperature；
Twin (double) screw extruder temperature is set as 90 DEG C.Screw rod rotational speed be 130r/min, rate of feeding 50g/min,
The mixture of preservation is put into extruder, extrudate is cut into diameter 3mm, the master batch of long 3mm at extruder barrel orifice exit；
(2) temperature of extruder is set as 110 DEG C, and extruding obtains the test film that width is 25mm, thickness is 1.5mm.
As a result:
Tensile strength uses GB3830-83 measuring method.
Tensile strength is up to 25.6 Mpa.
Thermal stability: at 250 DEG C, thermal weight loss 3%, at 378 DEG C, thermal weight loss 10%, hereafter increasing with temperature, thermal weight loss
Sharply decline.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of preparation method of high temperature resistant biodegradable plastic, steps are as follows:
(1) master batch is prepared:
According to parts by weight, it weighs as 4-6 portions of brewex's grains, 22-39 parts of pretreated maize yellow-powders, 2-3 parts of straw powders, 2-3
The alcohol that 6 parts of concentration are 35% is added after mixing in part mica powder, and 4 parts of glycerol are used as raw material after mixing；
Twin (double) screw extruder temperature is set as 88-92 DEG C, screw rod rotational speed is 130r/min, rate of feeding 48-50g/
The mixture of preservation is put into extruder by min, and extrudate is cut into diameter 3mm at extruder barrel orifice exit, long 3mm's
Master batch；
(2) temperature of extruder is set as 100-120 DEG C, according to specification, extrusion forming；
The preprocess method of the maize yellow-powder are as follows: according to parts by weight, by 10 parts of maize yellow-powders, the liquid of 0.1 part of 30,000 u/ml
Pectase, the cellulase of 0.08 part of 2000u/g, 5 parts of water, after mixing well, 35 DEG C of holding 10-13min of constant temperature.
2. the high temperature resistant biodegradable plastic that preparation method described in claim 1 is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413210.2A CN105936682B (en) | 2016-06-14 | 2016-06-14 | A kind of high temperature resistant biodegradable plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413210.2A CN105936682B (en) | 2016-06-14 | 2016-06-14 | A kind of high temperature resistant biodegradable plastic |
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| Publication Number | Publication Date |
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| CN105936682A CN105936682A (en) | 2016-09-14 |
| CN105936682B true CN105936682B (en) | 2019-02-19 |
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| CN201610413210.2A Active CN105936682B (en) | 2016-06-14 | 2016-06-14 | A kind of high temperature resistant biodegradable plastic |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024726A (en) * | 2006-02-20 | 2007-08-29 | 天津科技大学 | Maize yellow-powder degradable plastic and preparing method |
| CN105647085A (en) * | 2016-03-22 | 2016-06-08 | 苏州市湘园特种精细化工有限公司 | Preparation method for high-performance complete biodegradable plastic |
-
2016
- 2016-06-14 CN CN201610413210.2A patent/CN105936682B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024726A (en) * | 2006-02-20 | 2007-08-29 | 天津科技大学 | Maize yellow-powder degradable plastic and preparing method |
| CN105647085A (en) * | 2016-03-22 | 2016-06-08 | 苏州市湘园特种精细化工有限公司 | Preparation method for high-performance complete biodegradable plastic |
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Effective date of registration: 20190111 Address after: 321000 No. 2289 Huafeng East Road, Jindong Economic Development Zone, Jinhua City, Zhejiang Province Applicant after: JINHUA JINFENG TOY Co.,Ltd. Address before: 313000 1403, room 14, B building, free port, 1188 headquarters, Wuxing District, Huzhou, Zhejiang. Applicant before: Zhejiang creation Intellectual Property Service Co.,Ltd. |
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Denomination of invention: A high-temperature resistant biodegradable plastic Effective date of registration: 20231008 Granted publication date: 20190219 Pledgee: Zhejiang Jinhua Chengtai Rural Commercial Bank Co.,Ltd. Pledgor: JINHUA JINFENG TOY Co.,Ltd. Registration number: Y2023980059982 |
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