CN102304276B - Fully-degradable ratproof garbage bag and preparation method thereof - Google Patents
Fully-degradable ratproof garbage bag and preparation method thereof Download PDFInfo
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- CN102304276B CN102304276B CN201110193984A CN201110193984A CN102304276B CN 102304276 B CN102304276 B CN 102304276B CN 201110193984 A CN201110193984 A CN 201110193984A CN 201110193984 A CN201110193984 A CN 201110193984A CN 102304276 B CN102304276 B CN 102304276B
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- protection against
- starch
- against rodents
- peppery
- ratproof
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000010813 municipal solid waste Substances 0.000 title abstract description 17
- 239000004970 Chain extender Substances 0.000 claims abstract description 15
- 229920002472 Starch Polymers 0.000 claims abstract description 14
- 239000008107 starch Substances 0.000 claims abstract description 11
- 235000019698 starch Nutrition 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000004595 color masterbatch Substances 0.000 claims abstract description 9
- 239000005871 repellent Substances 0.000 claims abstract description 8
- 230000002940 repellent Effects 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 7
- 235000013305 food Nutrition 0.000 claims description 30
- 241000283984 Rodentia Species 0.000 claims description 29
- 239000002253 acid Substances 0.000 claims description 18
- 244000290333 Vanilla fragrans Species 0.000 claims description 13
- 235000009499 Vanilla fragrans Nutrition 0.000 claims description 13
- 235000012036 Vanilla tahitensis Nutrition 0.000 claims description 13
- 150000001408 amides Chemical class 0.000 claims description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 229920005692 JONCRYL® Polymers 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 7
- 230000003179 granulation Effects 0.000 claims description 7
- 239000004902 Softening Agent Substances 0.000 claims description 6
- -1 USP Kosher Chemical compound 0.000 claims description 5
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 claims description 5
- 229920001896 polybutyrate Polymers 0.000 claims description 5
- 125000003074 decanoyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C(*)=O 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 125000001402 nonanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 240000003183 Manihot esculenta Species 0.000 claims description 3
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 3
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 claims description 2
- KGWDUNBJIMUFAP-KVVVOXFISA-N Ethanolamine Oleate Chemical compound NCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KGWDUNBJIMUFAP-KVVVOXFISA-N 0.000 claims description 2
- 229930195725 Mannitol Natural products 0.000 claims description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 2
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000000594 mannitol Substances 0.000 claims description 2
- 235000010355 mannitol Nutrition 0.000 claims description 2
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 229940100445 wheat starch Drugs 0.000 claims description 2
- 239000000811 xylitol Substances 0.000 claims description 2
- 235000010447 xylitol Nutrition 0.000 claims description 2
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 2
- 229960002675 xylitol Drugs 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 229920008262 Thermoplastic starch Polymers 0.000 abstract description 4
- 239000004628 starch-based polymer Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- AXKZIDYFAMKWSA-UHFFFAOYSA-N 1,6-dioxacyclododecane-7,12-dione Chemical compound O=C1CCCCC(=O)OCCCCO1 AXKZIDYFAMKWSA-UHFFFAOYSA-N 0.000 abstract 3
- 229920000747 poly(lactic acid) Polymers 0.000 abstract 3
- 239000004626 polylactic acid Substances 0.000 abstract 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 abstract 3
- 239000012620 biological material Substances 0.000 abstract 2
- 239000004014 plasticizer Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 16
- 150000007513 acids Chemical class 0.000 description 10
- 150000005690 diesters Chemical class 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 235000010216 calcium carbonate Nutrition 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 241000256113 Culicidae Species 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- 241000405414 Rehmannia Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000009340 pathogen transmission Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Refuse Receptacles (AREA)
Abstract
The invention relates to a fully-degradable ratproof garbage bag and a preparation method thereof. The fully-degradable ratproof garbage bag comprises the following components by weight percent: 30-60% of poly(butylene adipate/terephthalate), 10-30% of polylactic acid, 10-30% of starch, 5-10% of plasticizer, 0-2% of chain extender, 5-20% of filler, 5-10% of ratproof repellent and 0.5-2% of color masterbatch. The preparation method comprises the following steps: firstly, preparing poly(butylene adipate/terephthalate), starch, polylactic acid, the plasticizer, the chain extender, the ratproof repellent and the filler into a biological material for the fully-degradable ratproof garbage bag according to a specific production process; and then carrying out secondary processing on the biological material matched with the color masterbatch so as to obtain the fully-degradable ratproof garbage bag. According to the invention, thermoplastic starch is adopted to fill poly(butylene adipate/terephthalate) and polylactic acid, so that the thermoplastic starch is evenly dispersed into a substrate of a resin mixture, thus the fully-biodegradable property of the material is maintained while the cost of the material lowered.
Description
Technical field
The present invention relates to a kind of high-fall protection against rodents food evil refuse bag and preparation method thereof of separating, belong to technical field of polymer materials.
Background technology
The raising day by day of Along with people's standard of living, the notion of the packed processing of rubbish in recent years progressively enters into people's life.Compare with traditional trash processing way; Spilling leakage in rubbish exposure and the transportation avoided in the packed processing of rubbish; Can control effectively rubbish land, reduce airborne dust in the air, eliminate the mosquitos and flies mouse the meat or fish dried rhizome of rehmannia, reduce various pathogen transmissions, thoroughly solve that the residential building garbage shaft is prone to stop up and the rubbish corruption after the foul smell problem; Be convenient to rubbish is carried out categorised collection, innoxious, the resource utilization, the minimizing that finally reach rubbish are handled, and are received people's favor day by day.But mostly the refuse bag that uses in the market is to process with Vilaterm or SE raw material, and this refuse bag is because the huge and non-degradable of usage quantity has caused the serious wasting of resources and environmental pollution.And nondegradable refuse bag is embedded on the underground need century-old could rotting, and severe contamination soil, if take the mode of burning, then can generate and be harmful to flue dust and toxic gas, chronic pollution environment.If do not handled timely because of bagged garbage again; Long-term exposure can cause the food organism injury of some home mouse or field rodent outdoor, makes rubbish (particularly liquid refuse) expose; Become the meat or fish dried rhizome of rehmannia of mosquitos and flies mouse once more, so do not reach bagged garbage environmental protection purpose easily.
Summary of the invention
In view of this; The object of the present invention is to provide a kind of high-fall protection against rodents food evil refuse bag and preparation method thereof of separating, when separating the problems such as white pollution that the refuse bag of must not degrading causes, solve muroid the food organism injury that refuse bag brings is caused secondary pollution problem.
For achieving the above object, the present invention provides a kind of high-fall protection against rodents food evil refuse bag of separating, and said high-fall each components in mass portion of protection against rodents food evil refuse bag of separating is counted the proportioning of meter and is:
Preferably, the density of wherein said poly terephthalic acid/oxalic acid/fourth diester is 1.26g/cm
3, second-order transition temperature is-29 ℃, fusing point is 115 ℃.
Preferably, the molecular-weight average of wherein said POLYACTIC ACID is 4～1,500,000, and glass temperature range is 40～60 ℃.
Preferably, wherein said starch is one or more in W-Gum, tapioca(flour), yam starch, wheat starch or the pea starch.
Preferably, wherein said chainextender is a kind of among BASF chainextender JONCRYL ADR-4368 or the BASF chainextender JONCRYL ADR-4370S.
Preferably, wherein said softening agent is one or more in terepthaloyl moietie, Ucar 35, USP Kosher, Xylitol, N.F,USP MANNITOL, methane amide or the thanomin.
Preferably; Wherein said protection against rodents food evil repellent is capryloyl vanilla acid amides, nonanoyl vanilla acid amides, decanoyl vanilla acid amides, go the peppery plain I of first dihydro, the peppery element of dihydro, the peppery plain I of high the second light industry bureau, go the peppery plain II of first dihydro, in the peppery plain II of high the second light industry bureau, peppery element, high peppery plain I or the high peppery plain II one or more; They all belong to peppery chlorins compound, and its general formula of molecular structure is:
When the R group is the alkyl or the alkenyl of 7～12 C atoms,
That is: R=CH
3(CH
2)
6The time be capryloyl vanilla acid amides;
R=CH
3(CH
2)
7The time be nonanoyl vanilla acid amides;
R=CH
3(CH
2)
8The time be decanoyl vanilla acid amides;
R=(CH
3)
2CH (CH
2)
5The time for going the peppery plain I of first dihydro;
R=(CH
3)
2CH (CH
2)
6The time be the peppery element of the second light industry bureau;
R=(CH
3)
2CH (CH
2)
7The peppery element of Shi Weigao the second light industry bureau;
R=CH
3CH
2CH (CH
3) (CH
2)
4The time for going the peppery plain II of first dihydro;
R=CH
3CH
2CH (CH
3) (CH
2)
6The peppery plain II of Shi Weigao the second light industry bureau;
R=(CH
3)
2CHCH=CH (CH
2)
4The time be peppery element;
R=(CH
3)
2CHCH
2CH=CH (CH
2)
4The peppery plain I of Shi Weigao;
R=CH
3CH
2CH (CH
3) CH=CH (CH
2)
4The peppery plain II of Shi Weigao.
Preferably, wherein said filler is one or more in talcum powder, light calcium carbonate, aluminum oxide or the white lake.
Preferably, the color of wherein said Masterbatch is a kind of in black, blueness or the green.
The said high-fall preparation method who separates protection against rodents food evil refuse bag may further comprise the steps:
1) raw materials mix is even: according to a certain percentage poly terephthalic acid/hexanodioic acid/fourth diester (PBAT), POLYACTIC ACID (PLA), starch, softening agent, chainextender, protection against rodents food evil repellent, filler are joined in the high-speed mixer, and make it evenly mixed;
2) at the twin screw extruder internal reaction: the mixture that step 1) is obtained adds in the twin screw extruder mixing, through extruding postcooling, granulation;
3) with step 2) pellet that obtains again the broken color master batch can obtain the high-fall protection against rodents food evil refuse bag of separating through secondary processing.
The present invention has following beneficial effect:
1) the present invention adopts thermoplastic starch to fill poly terephthalic acid/hexanodioic acid/fourth diester and POLYACTIC ACID, and thermoplastic starch is scattered in the matrix of resin compound uniformly, when reducing material cost, has kept the fully bio-degradable performance of material;
2) softening agent used in the present invention makes starch have thermoplasticity, thereby has improved the processability of starch;
3) chainextender used in the present invention makes PBAT and PLA two-phase interface tension force reduce, and interface binding power increases, thereby has improved the mechanical compatibility and the mechanical property of co-mixing system;
4) protection against rodents used in the present invention food evil repellent has characteristics such as low toxicity, efficient and long half time, and is nontoxic through the refuse bag any surface finish that secondary processing is produced, so have the excellent harmful performance of protection against rodents food;
5) employed twin screw extruder in the production process of the present invention, cooling water circulation utilization does not produce waste water, waste gas and waste residue, and can accomplish scale production.
Embodiment
Below will combine concrete embodiment that the present invention is done further detailed description.
Embodiment 1:
30 mass parts poly terephthalic acid/hexanodioic acids/fourth diester, 10 mass parts POLYACTIC ACIDs, 30 mass parts W-Gums, 10 mass parts USP Kosher, 2 mass parts BASF chainextender JONCRYL ADR-4368,8 mass parts nonanoyl vanilla acid amides and 10 mass parts light calcium carbonates are mixed in high-speed mixer; Then that mixture is mixing in twin screw extruder, each section of twin screw extruder temperature is set at T
1=150 ℃, T
2=160 ℃, T
3=180 ℃, T
4=200 ℃, T
5=205 ℃, T
6=210 ℃, the twin screw extruder rotating speed is R=300rmin
-1Afterwards, extrude, cooling, granulation promptly obtain being used for the high-fall bio-based materials of separating protection against rodents food evil refuse bag; The broken color master batch promptly obtains the high-fall protection against rodents food evil refuse bag of separating through secondary processing again, and its performance is following:
Embodiment 2:
60 mass parts poly terephthalic acid/hexanodioic acids/fourth diester, 10 mass parts POLYACTIC ACIDs, 10 mass parts tapioca(flour)s, 5 mass parts terepthaloyl moietie, 10 mass parts decanoyl vanilla acid amides and 5 mass parts talcum powder are mixed in high-speed mixer; Then that mixture is mixing in twin screw extruder, each section of twin screw extruder temperature is set at T
1=155 ℃, T
2=165 ℃, T
3=185 ℃, T
4=205 ℃, T
5=215 ℃, T
6=220 ℃, the twin screw extruder rotating speed is R=300rmin
-1Afterwards, extrude, cooling, granulation promptly obtain being used for the high-fall bio-based materials of separating protection against rodents food evil refuse bag; The broken color master batch promptly obtains the high-fall protection against rodents food evil refuse bag of separating through secondary processing again, and its performance is following:
Embodiment 3:
30 mass parts poly terephthalic acid/hexanodioic acids/fourth diester, 30 mass parts POLYACTIC ACIDs, 10 mass parts W-Gums, 5 mass parts Ucar 35,5 mass parts capryloyl vanilla acid amides and 20 mass parts light calcium carbonates are mixed in high-speed mixer; Then that mixture is mixing in twin screw extruder, each section of twin screw extruder temperature is set at T
1=145 ℃, T
2=155 ℃, T
3=165 ℃, T
4=180 ℃, T
5=195 ℃, T
6=205 ℃, the twin screw extruder rotating speed is R=300rmin
-1Afterwards, extrude, cooling, granulation promptly obtain being used for the high-fall bio-based materials of separating protection against rodents food evil refuse bag; The broken color master batch promptly obtains the high-fall protection against rodents food evil refuse bag of separating through secondary processing again, and its performance is following:
Embodiment 4:
40 mass parts poly terephthalic acid/hexanodioic acids/fourth diester, 20 mass parts POLYACTIC ACIDs, 20 mass parts wheat starches, 5 mass parts Ucar 35,2 mass parts BASF chainextender JONCRYL ADR-4370S, 5 mass parts capryloyl vanilla acid amides and 8 mass parts talcum powder are mixed in high-speed mixer; Then that mixture is mixing in twin screw extruder, each section of twin screw extruder temperature is set at T
1=160 ℃, T
2=165 ℃, T
3=170 ℃, T
4=185 ℃, T
5=195 ℃, T
6=215 ℃, the twin screw extruder rotating speed is R=300rmin
-1Afterwards, extrude, cooling, granulation promptly obtain being used for the high-fall bio-based materials of separating protection against rodents food evil refuse bag; The broken color master batch promptly obtains the high-fall protection against rodents food evil refuse bag of separating through secondary processing again, and its performance is following:
Embodiment 5
Go peppery plain I of first dihydro and 10 mass parts light calcium carbonates in high-speed mixer, to mix 50 mass parts poly terephthalic acid/hexanodioic acids/fourth diester, 10 mass parts POLYACTIC ACIDs, 15 mass parts W-Gums, 5 mass parts thanomins, 2 mass parts BASF chainextender JONCRYL ADR-4370S, 8 mass parts; Then that mixture is mixing in twin screw extruder, each section of twin screw extruder temperature is set at T
1=165 ℃, T
2=170 ℃, T
3=175 ℃, T
4=185 ℃, T
5=190 ℃, T
6=210 ℃, the twin screw extruder rotating speed is R=300rmin
-1Afterwards, extrude, cooling, granulation promptly obtain being used for the high-fall bio-based materials of separating protection against rodents food evil refuse bag; The broken color master batch promptly obtains the high-fall protection against rodents food evil refuse bag of separating through secondary processing again, and its performance is following:
The above is merely preferred embodiment of the present invention, and protection scope of the present invention is not constituted any limitation, and scope of patent protection of the present invention is as the criterion with the content of claims.
Claims (2)
1. the high-fall protection against rodents food evil refuse bag of separating is characterized in that, said high-fall each components in mass portion of protection against rodents food evil refuse bag of separating is counted the proportioning of meter and is:
PBAT 30～60%；
POLYACTIC ACID 10～30%;
Starch 10～30%;
Softening agent 5～10%;
Chainextender 0～2%;
Protection against rodents food evil repellent 5～10%;
Filler 5～20%;
Masterbatch 0.5～2%;
Wherein, the density of said PBAT is 1.26g/cm
3, second-order transition temperature is-29 ℃, fusing point is 115 ℃; The molecular-weight average of said POLYACTIC ACID is 4～1,500,000, and glass temperature range is 40～60 ℃; Said starch is one or more in W-Gum, tapioca(flour), yam starch, wheat starch or the pea starch; Said chainextender is a kind of among BASF chainextender JONCRYL ADR-4368 or the BASF chainextender JONCRYL ADR-4370S; Said softening agent is one or more in terepthaloyl moietie, Ucar 35, USP Kosher, Xylitol, N.F,USP MANNITOL, methane amide or the thanomin; Said protection against rodents food evil repellent is capryloyl vanilla acid amides, nonanoyl vanilla acid amides, decanoyl vanilla acid amides, go the peppery plain I of first dihydro, the peppery element of dihydro, the peppery plain I of high the second light industry bureau, go the peppery plain II of first dihydro, in the peppery plain II of high the second light industry bureau, peppery element, high peppery plain I or the high peppery plain II one or more; Said filler is one or more in talcum powder, light calcium carbonate, aluminum oxide or the white lake; The color of said Masterbatch is a kind of in black, blueness or the green.
2. the described high-fall preparation method who separates protection against rodents food evil refuse bag of claim 1 is characterized in that, said method comprising the steps of:
1) raw materials mix is even: according to aforementioned proportion PBAT, POLYACTIC ACID, starch, softening agent, chainextender, protection against rodents food evil repellent, filler are joined in the high-speed mixer, and make it evenly mixed;
2) at the twin screw extruder internal reaction: the mixture that step 1) is obtained adds in the twin screw extruder mixing, through extruding postcooling, granulation;
3) with step 2) pellet that obtains again the broken color master batch can obtain the high-fall protection against rodents food evil refuse bag of separating through secondary processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110193984A CN102304276B (en) | 2011-07-12 | 2011-07-12 | Fully-degradable ratproof garbage bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110193984A CN102304276B (en) | 2011-07-12 | 2011-07-12 | Fully-degradable ratproof garbage bag and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102304276A CN102304276A (en) | 2012-01-04 |
| CN102304276B true CN102304276B (en) | 2012-09-12 |
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| CN102936400B (en) * | 2012-11-21 | 2014-11-26 | 武汉华丽生物材料有限公司 | Full-degradation deworming mulching film and preparation method thereof |
| CN103740066A (en) * | 2013-12-30 | 2014-04-23 | 普宁市华芝路生物材料有限公司 | Fully-biodegradable resin |
| CN103772785B (en) * | 2014-01-03 | 2016-06-22 | 山东省塑料研究开发中心 | A kind of preventing from being eaten by ant and mouse plastic conduit polyethylene master batch and preparation method thereof |
| CN103980686B (en) * | 2014-06-10 | 2016-03-23 | 上海诚壹塑胶制品有限公司 | A kind of antibacterial biodegradable packaging hose material and its hose preparation method |
| CN105273376B (en) * | 2014-08-29 | 2017-08-15 | 陈再荣 | A kind of biodegradation material and preparation method thereof and purposes |
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| CN109504041A (en) * | 2018-10-25 | 2019-03-22 | 南京五瑞生物降解新材料研究院有限公司 | Using the TPS/PLA/PBAT blending and modifying Biodegradable resin and preparation method thereof of chain extender preparation |
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