CN104788979A - Preparation method of fully-degradable foamed plastic - Google Patents
Preparation method of fully-degradable foamed plastic Download PDFInfo
- Publication number
- CN104788979A CN104788979A CN201510237554.8A CN201510237554A CN104788979A CN 104788979 A CN104788979 A CN 104788979A CN 201510237554 A CN201510237554 A CN 201510237554A CN 104788979 A CN104788979 A CN 104788979A
- Authority
- CN
- China
- Prior art keywords
- starch
- preparation
- fully
- porous plastics
- vegetable fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 229920002472 Starch Polymers 0.000 claims abstract description 54
- 239000008107 starch Substances 0.000 claims abstract description 54
- 235000019698 starch Nutrition 0.000 claims abstract description 54
- 235000013311 vegetables Nutrition 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 238000012986 modification Methods 0.000 claims abstract description 29
- 230000004048 modification Effects 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 239000004014 plasticizer Substances 0.000 claims abstract description 17
- 238000005187 foaming Methods 0.000 claims abstract description 16
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 22
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000004321 preservation Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229960003742 phenol Drugs 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000012948 isocyanate Substances 0.000 claims description 8
- 150000002513 isocyanates Chemical class 0.000 claims description 8
- 239000005543 nano-size silicon particle Substances 0.000 claims description 6
- CLAHOZSYMRNIPY-UHFFFAOYSA-N 2-hydroxyethylurea Chemical compound NC(=O)NCCO CLAHOZSYMRNIPY-UHFFFAOYSA-N 0.000 claims description 5
- 229920001131 Pulp (paper) Polymers 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 5
- 239000004088 foaming agent Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- 239000003607 modifier Substances 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007731 hot pressing Methods 0.000 abstract 1
- 229920006327 polystyrene foam Polymers 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- WWAPGZFQDSBXRB-UHFFFAOYSA-N 2,2-dihydroxyethylurea Chemical compound NC(=O)NCC(O)O WWAPGZFQDSBXRB-UHFFFAOYSA-N 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 235000010980 cellulose Nutrition 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000013502 plastic waste Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001851 biosynthetic effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229940031575 hydroxyethyl urea Drugs 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 1
- 229940113162 oleylamide Drugs 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a preparation method of a fully-degradable foamed plastic. The fully-degradable foamed plastic is prepared from the following raw materials: vegetable fibers, starch, polyvinyl alcohol, nano silica, a vegetable fiber surface modifier, a starch composite plasticizer and water. The preparation method comprises the steps of adding the vegetable fibers into the vegetable fiber surface modifier to carry out modification treatment; adding water into the starch, heating to paste the starch, and then, adding the starch composite plasticizer to carry out plasticizing treatment; and sufficiently and uniformly stirring the surface modified vegetable fibers, the plasticized starch, polyvinyl alcohol and nano silica to obtain homogeneous slurry, and further carrying out steam foaming and hot press molding to obtain the fully-degradable foamed plastic with the density of smaller than or equal to 20.0Kg/m<3>, the tensile strength of larger than or equal to 1.0MPa and the elasticity modulus of larger than or equal to 300MPa. Meanwhile, the fully-degradable foamed plastic is prepared by using a steam foaming and hot pressing molding method, so that pollution caused by a chemical foaming agent is removed. The fully-degradable foamed plastic prepared by using the preparation method reaches up to the standard of polystyrene foam plastics and can be fully degraded.
Description
Technical field
The present invention relates to a kind of preparation method of degradable porous plastics, belongs to technical field of biochemical industry.
Background technology
Along with petroleum polymer industrial expansion, its environmental pollution caused causes the concern of people to petroleum polymer waste disposal issues.In the market, volume little by the foam plastic density of oil production large, be not easy to concentrate and transport, and stable chemical nature own, there is the features such as ageing-resistant, anticorrosive, therefore produce the foam plastic waste of a large amount of difficult degradations.Meanwhile, the threat of growing foam plastic waste to the ecosystem is increasing, causes serious " white pollution ", and many countries have all made laws and forbidden the foam article of production difficult degradation in the world.The outlet of domestic commodity is subject to the puzzlement of " Green Trade Barrier ".In these " Green Trade Barriers ", the wrapping material due to China defective and by refuse other country outdoors account for a sizable part.Therefore develop and apply the inexorable trend that " the environmental protection cushioning material " with good environment consistency has become 2l century.
Vegetable fibre and starch are the photosynthetic final products of green plants, are the abundantest biosynthetic renewable resourcess, have wide in variety, the feature such as low price, fully bio-degradable.Therefore, the degradable porous plastics developing vegetable fibre and starch base is the focus of our times various countries research and development.Although there has been the report of the degradable porous plastics of vegetable fibre and starch base at present, the foam plastic density obtained is high, tensile strength is low, rebound resilience is poor, also uses chemical foaming agent to pollute simultaneously; Therefore research and develop that a kind of performance is good and easily the vegetable fibre of degraded and the degradable porous plastics of starch base are the current problems needing to solve.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of degradable porous plastics is provided, the application that the method is mainly innovated has no plant fibre surface properties-correcting agent and the starch composite plasticizer of bibliographical information, make that foam plastic density reduces, tensile strength increases and improve with rebound resilience, apply water vapour foaming simultaneously, eliminate the pollution of chemical foaming agent.
Technical scheme of the present invention is: a kind of preparation method of degradable porous plastics, it is characterized in that, be made up of the raw material of following weight parts: vegetable fibre 50-60 part, starch 20-30 part, polyvinyl alcohol 5-10 part, nano silicon 10-20 part, plant fibre surface properties-correcting agent 1-5 part, starch composite plasticizer 5-10 part, water 60-100 part; Vegetable fibre is added plant fibre surface properties-correcting agent and carry out modification; Starch is added water and adds starch composite plasticizer again after Heat Gelatinization and carry out plastics processing; Starch, polyvinyl alcohol and nano silicon after the vegetable fibre of surface modification, plasticizing are stirred, obtained homogeneous phase somaplasm material, further water vapour foaming, hot-formingly obtain degradable porous plastics.
Described vegetable fibre is wood pulp cellulose or stalk fibre.
Described plant fibre surface properties-correcting agent is trimethyl silicane based isocyanate.
Described starch composite plasticizer is made up of amine hydroxybenzene (another name oleylamide, cis 9-octadecenamide) and 2-hydroxyethyl urea (another name: (2-hydroxyethyl) urea, hydroxyethyl urea), the two weight ratio is 1:0.9-1.1, is preferably 1:1.
Raw materials usedly above be commercial goods.
Preparation method of the present invention specifically comprises the following steps:
(1) vegetable fibre was crushed to 60 mesh sieves, and added plant fibre surface properties-correcting agent, strong stirring mixes, and carries out fiber surface modification process 0.5-1.5 hour, obtains the vegetable fibre of surface modification;
(2) starch is mixed with water, gelatinization 20-60 minute at temperature 80 ± 10 DEG C, then while stirring, add composite plasticizer and plastics processing 0.5-1.5 hour is carried out to starch, obtain plasticized starch;
(3) starch after the vegetable fibre of surface modification, plasticizing is put into stirrer, after stirring, add polyvinyl alcohol and nano silicon stirs, obtained homogeneous phase somaplasm material;
(4) the homogeneous phase somaplasm material be stirred is put into mould and carry out water vapour foaming, setting patrix temperature 190 ± 10 DEG C, counterdie temperature 210 ± 10 DEG C, pressure 5-8MPa, pressurize shaping 30-60 second after matched moulds, pressure release heat preservation and dryness, the demoulding, takes out goods, obtains degradable porous plastics finished product.
Preferably, described step (4) is specially: the homogeneous phase somaplasm material be stirred is put into mould and carries out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.
Beneficial effect of the present invention is: degradable porous plastics prepared by the present invention, its density≤20.0Kg/m
3(reaching the requirement of polystyrene foamed plastics), its tensile strength>=1.0MPa, its Young's modulus>=300MPa.The present invention simultaneously adopts the foaming of application water vapour, hot-press molding method is prepared from, and eliminates the pollution of chemical foaming agent.Degradable porous plastics prepared by the present invention reaches the standard of polystyrene foamed plastics, and complete biodegradable.
Embodiment
Embodiment 1:
(1) 50 kilograms of wood pulp celluloses are crushed to 60 orders, add 1 kilogram of trimethyl silicane based isocyanate, strong stirring mixes, and carries out fiber surface modification process 1 hour, obtains the vegetable fibre of surface modification;
(2) 20 kg of starch are mixed with 60 kg of water, then the temperature 80 DEG C adjusting constant temperature water bath carries out gelatinization 30 minutes to it, then while stirring, add composite plasticizer amine hydroxybenzene and each 2.5 kilograms of the dihydroxy ethyl urea of configuration, plastics processing is carried out 1 hour to starch, shallow lake must be plastified;
(3) starch after the vegetable fibre of surface modification obtained above, plasticizing is put into stirrer, stirs after 10 minutes, add 5 kilograms of polyvinyl alcohol and 10 kilograms of nano silicons fully stir 30 minutes, obtain homogeneous phase somaplasm material;
(4) put into mould after being weighed by the homogeneous phase somaplasm material be stirred and carry out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.The performance index of products obtained therefrom are in table 1.
Embodiment 2:
(1) 60 kilograms of corn stalk fibers are crushed to 60 orders, add 5 kilograms of trimethyl silicane based isocyanates, strong stirring mixes, and carries out fiber surface modification process 70 minutes, obtains the vegetable fibre of surface modification;
(2) 30 kg of starch are mixed with 100 kg of water, then the temperature 80 DEG C adjusting constant temperature water bath carries out gelatinization 40 minutes to it, then while stirring, add composite plasticizer amine hydroxybenzene and each 5 kilograms of the dihydroxy ethyl urea of configuration, plastics processing is carried out 1 hour to starch, obtains plasticized starch;
(3) starch after the vegetable fibre of surface modification obtained above, plasticizing is put into stirrer, stirs after 10 minutes, add 10 kilograms of polyvinyl alcohol and 20 kilograms of nano silicons fully stir 40 minutes, obtain homogeneous phase somaplasm material;
(4) put into mould after being weighed by the homogeneous phase somaplasm material be stirred and carry out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.The performance index of products obtained therefrom are in table 1.
Embodiment 3:
(1) 55 kilograms of bagasse fibres are crushed to 60 orders, add 2 kilograms of trimethyl silicane based isocyanates, strong stirring mixes, and carries out fiber surface modification process 50 minutes, obtains the vegetable fibre of surface modification;
(2) 25 kg of starch are mixed with 80 kg of water, then the temperature 80 DEG C adjusting constant temperature water bath carries out gelatinization 35 minutes to it, then while stirring, add composite plasticizer amine hydroxybenzene and each 4 kilograms of the dihydroxy ethyl urea of configuration, plastics processing is carried out 50 minutes to starch, obtains plasticized starch;
(3) starch after the vegetable fibre of surface modification obtained above, plasticizing is put into stirrer, stirs after 10 minutes, add 7 kilograms of polyvinyl alcohol and 15 kilograms of nano silicons fully stir 35 minutes, obtain homogeneous phase somaplasm material;
(4) put into mould after being weighed by the homogeneous phase somaplasm material be stirred and carry out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.The performance index of products obtained therefrom are in table 1.
Embodiment 4:
(1) 58 kilograms of straw fiber powders are broken to 60 orders, add 3 kilograms of trimethyl silicane based isocyanates, strong stirring mixes, and carries out fiber surface modification process 1 hour, obtains the vegetable fibre of surface modification;
(2) 28 kg of starch are mixed with 90 kg of water, then the temperature 80 DEG C adjusting constant temperature water bath carries out gelatinization 30 minutes to it, then while stirring, add composite plasticizer amine hydroxybenzene and each 3 kilograms of the dihydroxy ethyl urea of configuration, plastics processing is carried out 1 hour to starch, obtains plasticized starch;
(3) starch after the vegetable fibre of surface modification obtained above, plasticizing is put into stirrer, stirs after 10 minutes, add 8 kilograms of polyvinyl alcohol and 17 kilograms of nano silicons fully stir 30 minutes, obtain homogeneous phase somaplasm material;
(4) put into mould after being weighed by the homogeneous phase somaplasm material be stirred and carry out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.The performance index of products obtained therefrom are in table 1.
Embodiment 5:
(1) 56 kilograms of rice-straw fibres are crushed to 60 orders, add 3 kilograms of trimethyl silicane based isocyanates, strong stirring mixes, and carries out fiber surface modification process 1 hour, obtains the vegetable fibre of surface modification;
(2) 27 kg of starch are mixed with 80 kg of water, then the temperature 80 DEG C adjusting constant temperature water bath carries out gelatinization 30 minutes to it, then while stirring, add composite plasticizer amine hydroxybenzene and each 4 kilograms of the dihydroxy ethyl urea of configuration, plastics processing is carried out 1 hour to starch, obtains plasticized starch;
(3) starch after the vegetable fibre of surface modification obtained above, plasticizing is put into stirrer, stirs after 10 minutes, add 6 kilograms of polyvinyl alcohol and 12 kilograms of nano silicons fully stir 30 minutes, obtain homogeneous phase somaplasm material;
(4) put into mould after being weighed by the homogeneous phase somaplasm material be stirred and carry out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.The performance index of products obtained therefrom are in table 1.
Embodiment 6:
(1) 57 kilograms of cotton stalk fibers are crushed to 60 orders, add 2 kilograms of trimethyl silicane based isocyanates, strong stirring mixes, and carries out fiber surface modification process 1 hour, obtains the vegetable fibre of surface modification;
(2) 28 kg of starch are mixed with 85 kg of water, then the temperature 80 DEG C adjusting constant temperature water bath carries out gelatinization 30 minutes to it, then while stirring, add composite plasticizer amine hydroxybenzene and each 3.5 kilograms of the dihydroxy ethyl urea of configuration, plastics processing is carried out 1 hour to starch, obtains plasticized starch;
(3) starch after the vegetable fibre of surface modification obtained above, plasticizing is put into stirrer, stirs after 10 minutes, add 7 kilograms of polyvinyl alcohol and 16 kilograms of nano silicons fully stir 30 minutes, obtain homogeneous phase somaplasm material;
(4) put into mould after being weighed by the homogeneous phase somaplasm material be stirred and carry out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, takes out goods, obtains degradable porous plastics finished product.The performance index of products obtained therefrom are in table 1.
The performance index of table 1 embodiment 1-6 product
Density (Kg/m 3) | Tensile strength (MPa) | Young's modulus (MPa) | |
Embodiment 1 | 19.5 | 1.3 | 500 |
Embodiment 2 | 18.0 | 1.1 | 350 |
Embodiment 3 | 17.0 | 1.2 | 320 |
Embodiment 4 | 18.0 | 1.3 | 360 |
Embodiment 5 | 16.0 | 1.1 | 310 |
Embodiment 6 | 19.0 | 1.4 | 400 |
Embodiments of the present invention are not restricted to the described embodiments, and on the basis of technical scheme of the present invention, those skilled in the art does not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (5)
1. the preparation method of a degradable porous plastics, it is characterized in that, be made up of the raw material of following weight parts: vegetable fibre 50-60 part, starch 20-30 part, polyvinyl alcohol 5-10 part, nano silicon 10-20 part, plant fibre surface properties-correcting agent 1-5 part, starch composite plasticizer 5-10 part, water 60-100 part; Vegetable fibre is added plant fibre surface properties-correcting agent and carry out modification; Starch is added water and adds starch composite plasticizer again after Heat Gelatinization and carry out plastics processing; Starch, polyvinyl alcohol and nano silicon after the vegetable fibre of surface modification, plasticizing are stirred, obtained homogeneous phase somaplasm material, further water vapour foaming, hot-formingly obtain degradable porous plastics; Described plant fibre surface properties-correcting agent is trimethyl silicane based isocyanate; Described starch composite plasticizer is made up of amine hydroxybenzene and 2-hydroxyethyl urea, and the two weight ratio is 1:0.9-1.1.
2. the preparation method of a kind of degradable porous plastics as claimed in claim 1, is characterized in that, described vegetable fibre is wood pulp cellulose or stalk fibre.
3. the preparation method of a kind of degradable porous plastics as claimed in claim 1, is characterized in that, the mass ratio of described amine hydroxybenzene and 2-hydroxyethyl urea is 1:1.
4., as the preparation method of a kind of degradable porous plastics in claim 1-3 as described in any one, it is characterized in that, specifically comprise the following steps:
(1) vegetable fibre was crushed to 60 mesh sieves, and added plant fibre surface properties-correcting agent, strong stirring mixes, and carries out fiber surface modification process 0.5-1.5 hour, obtains the vegetable fibre of surface modification;
(2) starch is mixed with water, gelatinization 20-60 minute at temperature 80 ± 10 DEG C, then while stirring, add composite plasticizer and plastics processing 0.5-1.5 hour is carried out to starch, obtain the starch after plasticizing;
(3) starch after the vegetable fibre of surface modification, plasticizing is put into stirrer, after stirring, add polyvinyl alcohol and nano silicon stirs, obtained homogeneous phase somaplasm material;
(4) the homogeneous phase somaplasm material be stirred is put into mould and carry out water vapour foaming, setting patrix temperature 190 ± 10 DEG C, counterdie temperature 210 ± 10 DEG C, pressure 5-8MPa, pressurize shaping 30-60 second after matched moulds, pressure release heat preservation and dryness, the demoulding, takes out goods, obtains degradable porous plastics finished product.
5. the preparation method of a kind of degradable porous plastics as claimed in claim 4, it is characterized in that, described step (4) is specially: the homogeneous phase somaplasm material be stirred is put into mould and carries out water vapour foaming, setting patrix temperature 190 DEG C, counterdie temperature 210 DEG C, pressure 6MPa, shaping 50 seconds of pressurize after matched moulds, pressure release heat preservation and dryness 120 seconds, the demoulding, take out goods, obtain degradable porous plastics finished product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510237554.8A CN104788979B (en) | 2015-05-11 | 2015-05-11 | A kind of preparation method of degradable foam plasticss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510237554.8A CN104788979B (en) | 2015-05-11 | 2015-05-11 | A kind of preparation method of degradable foam plasticss |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104788979A true CN104788979A (en) | 2015-07-22 |
CN104788979B CN104788979B (en) | 2017-03-29 |
Family
ID=53554188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510237554.8A Active CN104788979B (en) | 2015-05-11 | 2015-05-11 | A kind of preparation method of degradable foam plasticss |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104788979B (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105713409A (en) * | 2016-05-05 | 2016-06-29 | 王美岭 | Full-degradable cellulose foam material and preparation method thereof |
CN106280514A (en) * | 2016-08-08 | 2017-01-04 | 江苏省农业科学院 | A kind of preparation method of plant fiber-based foaming thermoplastic masterbatch |
CN107083005A (en) * | 2017-05-11 | 2017-08-22 | 山东师范大学 | A kind of starch base foamed plastic masterbatch and its foaming method |
CN107353425A (en) * | 2017-08-14 | 2017-11-17 | 于翔 | A kind of preparation method of full straw foamed material |
CN109135311A (en) * | 2017-06-13 | 2019-01-04 | 上海交通大学 | Starch/polyethylene alcohol composite foam material composition and preparation method thereof |
CN110819132A (en) * | 2019-11-22 | 2020-02-21 | 湖南工业大学 | Plant fiber-based composite material and preparation method and application thereof |
CN110883068A (en) * | 2019-12-16 | 2020-03-17 | 湖州合达图宏新材料技术有限公司 | Plasticizing method of solid waste |
CN112708171A (en) * | 2020-12-19 | 2021-04-27 | 界首市成铭塑业有限公司 | Preparation method of bio-based particles for injection molding and plastic uptake products |
WO2022073126A1 (en) * | 2020-10-08 | 2022-04-14 | Plantee Bioplastics Inc. | Forest residue based rigid foam products and processes of manufacture |
CN116041922A (en) * | 2022-12-14 | 2023-05-02 | 安徽正欣生物科技有限公司 | Alumina fiber reinforced polylactic acid composite material and polylactic acid yarn prepared from same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109718604A (en) * | 2019-01-08 | 2019-05-07 | 福建师范大学 | A kind of preparation method of biology base filter core |
CN110746656A (en) * | 2019-11-11 | 2020-02-04 | 湖南工业大学 | Plant fiber reinforced plasticized starch foaming composite material and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999056556A1 (en) * | 1998-05-05 | 1999-11-11 | Natural Polymer International Corporation | Biodegradable protein/starch-based thermoplastic composition |
CN102746683A (en) * | 2012-07-24 | 2012-10-24 | 东北林业大学 | Wood-residue fiber foamed cushion packaging material and preparation method thereof |
CN104098794A (en) * | 2014-06-30 | 2014-10-15 | 安徽巢湖南方膜业有限责任公司 | Carboxymethyl-chitosan-starch-polyving-alcohol blending thin film |
CN104109263A (en) * | 2014-06-30 | 2014-10-22 | 安徽巢湖南方膜业有限责任公司 | Starch-polyvinyl alcohol dual-degradationplastic film |
-
2015
- 2015-05-11 CN CN201510237554.8A patent/CN104788979B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999056556A1 (en) * | 1998-05-05 | 1999-11-11 | Natural Polymer International Corporation | Biodegradable protein/starch-based thermoplastic composition |
CN102746683A (en) * | 2012-07-24 | 2012-10-24 | 东北林业大学 | Wood-residue fiber foamed cushion packaging material and preparation method thereof |
CN104098794A (en) * | 2014-06-30 | 2014-10-15 | 安徽巢湖南方膜业有限责任公司 | Carboxymethyl-chitosan-starch-polyving-alcohol blending thin film |
CN104109263A (en) * | 2014-06-30 | 2014-10-22 | 安徽巢湖南方膜业有限责任公司 | Starch-polyvinyl alcohol dual-degradationplastic film |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105713409A (en) * | 2016-05-05 | 2016-06-29 | 王美岭 | Full-degradable cellulose foam material and preparation method thereof |
CN106280514A (en) * | 2016-08-08 | 2017-01-04 | 江苏省农业科学院 | A kind of preparation method of plant fiber-based foaming thermoplastic masterbatch |
CN106280514B (en) * | 2016-08-08 | 2018-12-04 | 江苏省农业科学院 | A kind of preparation method of plant fiber-based foaming thermoplastic masterbatch |
CN107083005A (en) * | 2017-05-11 | 2017-08-22 | 山东师范大学 | A kind of starch base foamed plastic masterbatch and its foaming method |
CN109135311A (en) * | 2017-06-13 | 2019-01-04 | 上海交通大学 | Starch/polyethylene alcohol composite foam material composition and preparation method thereof |
CN107353425A (en) * | 2017-08-14 | 2017-11-17 | 于翔 | A kind of preparation method of full straw foamed material |
CN110819132A (en) * | 2019-11-22 | 2020-02-21 | 湖南工业大学 | Plant fiber-based composite material and preparation method and application thereof |
CN110883068A (en) * | 2019-12-16 | 2020-03-17 | 湖州合达图宏新材料技术有限公司 | Plasticizing method of solid waste |
WO2022073126A1 (en) * | 2020-10-08 | 2022-04-14 | Plantee Bioplastics Inc. | Forest residue based rigid foam products and processes of manufacture |
CN112708171A (en) * | 2020-12-19 | 2021-04-27 | 界首市成铭塑业有限公司 | Preparation method of bio-based particles for injection molding and plastic uptake products |
CN116041922A (en) * | 2022-12-14 | 2023-05-02 | 安徽正欣生物科技有限公司 | Alumina fiber reinforced polylactic acid composite material and polylactic acid yarn prepared from same |
Also Published As
Publication number | Publication date |
---|---|
CN104788979B (en) | 2017-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104788979A (en) | Preparation method of fully-degradable foamed plastic | |
CN103214694A (en) | Ramie core powder degradable tableware and manufacturing method thereof | |
CN103865284B (en) | Environment friendly biological material and preparation method thereof | |
CN105713409B (en) | A kind of degradable cellulose foam material and preparation method thereof | |
CN110204794B (en) | Low-cost high-resilience biodegradable damping packaging material and preparation method thereof | |
CN101914293B (en) | Bamboo fiber-based full-biodegradable material and preparation method | |
CN107698810A (en) | A kind of preparation method of biomass full degradable packaging material | |
CN107686567A (en) | A kind of preparation method of starch foam plastics | |
CN101870820B (en) | Antibacterial decorative material made by utilizing cotton stalk and preparation method thereof | |
CN101906219A (en) | Completely biodegradable bamboo microstructure unit and polylactic acid biomass composite and preparation method thereof | |
CN102161778B (en) | Calcium sulfate-corn starch-polycarbonate composite material and preparation method thereof | |
CN110818989A (en) | Degradable plastic packaging bag and preparation method thereof | |
CN103450580A (en) | Method for preparing board from waste polyurethane foam, waste plant fiber and waste polystyrene foam | |
CN114393666A (en) | Preparation method of glue-free bamboo fiber product | |
CN103756146A (en) | Method for preparing foaming material from herbal fibers and plastic wastes | |
CN102408588A (en) | Completely biodegradable resin made of non-staple grain plant modified starch and its preparation method | |
CN113045867A (en) | Preparation method of degradable composite material based on modified hemp fibers | |
CN102838878B (en) | Microcrystal puffing straw composite powder molding product and preparation method thereof | |
CN110936462A (en) | Preparation method of zero-formaldehyde environment-friendly straw board based on environment-friendly water gel | |
CN114806202A (en) | Plant fiber environment-friendly material and preparation method thereof | |
CN103450505A (en) | Method for preparing board from waste polyurethane foam, waste plant fiber and waste xylonite | |
CN104558693A (en) | Environment-friendly plant starch meal box and preparation method thereof | |
CN116905287B (en) | Pulp molding material prepared from vinasse biomass and preparation method thereof | |
CN114874580B (en) | Elastic additive master batch containing plant fibers, preparation method thereof and application thereof in EPS material | |
CN116985235A (en) | Straw-based packaging material and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20161214 Address after: 519031 Guangdong city of Zhuhai province Hengqin Baohua Road No. 6, room 105 -13110 Applicant after: Hengqin Hua Shuo Environmental Technology Co. Ltd. Address before: Room 4, building No. 76, Wenhua East Road, Shandong, Ji'nan, 250014, China Applicant before: Wang Meiling |
|
GR01 | Patent grant | ||
GR01 | Patent grant |