CN115819933A - Fully-degradable electronic cigarette shell material and preparation method thereof - Google Patents
Fully-degradable electronic cigarette shell material and preparation method thereof Download PDFInfo
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- CN115819933A CN115819933A CN202211240235.9A CN202211240235A CN115819933A CN 115819933 A CN115819933 A CN 115819933A CN 202211240235 A CN202211240235 A CN 202211240235A CN 115819933 A CN115819933 A CN 115819933A
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- electronic cigarette
- shell material
- fully
- cigarette shell
- screw extruder
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 32
- 239000011257 shell material Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000004283 Sodium sorbate Substances 0.000 claims abstract description 7
- LROWVYNUWKVTCU-STWYSWDKSA-M sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 claims abstract description 7
- 235000019250 sodium sorbate Nutrition 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims description 14
- 239000003963 antioxidant agent Substances 0.000 claims description 12
- 230000003078 antioxidant effect Effects 0.000 claims description 12
- 229920006150 hyperbranched polyester Polymers 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 30
- 241000208125 Nicotiana Species 0.000 abstract description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 7
- 239000000956 alloy Substances 0.000 abstract description 7
- 229910045601 alloy Inorganic materials 0.000 abstract description 7
- 239000004505 smoke cartridge Substances 0.000 abstract description 7
- 238000004132 cross linking Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 235000013305 food Nutrition 0.000 abstract description 3
- 229920000747 poly(lactic acid) Polymers 0.000 description 24
- 229920002961 polybutylene succinate Polymers 0.000 description 24
- 239000004631 polybutylene succinate Substances 0.000 description 24
- 239000004626 polylactic acid Substances 0.000 description 24
- 235000019504 cigarettes Nutrition 0.000 description 11
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Natural products O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- FPAZNLSVMWRGQB-UHFFFAOYSA-N 1,2-bis(tert-butylperoxy)-3,4-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=C(OOC(C)(C)C)C(OOC(C)(C)C)=C1C(C)C FPAZNLSVMWRGQB-UHFFFAOYSA-N 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229920006238 degradable plastic Polymers 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229920000491 Polyphenylsulfone Polymers 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 229920000587 hyperbranched polymer Polymers 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 description 1
- 239000004629 polybutylene adipate terephthalate Substances 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000903 polyhydroxyalkanoate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a fully-degradable electronic cigarette shell material and a preparation method thereof. The invention selects the compatilizer and the cross-linking agent to be jointly applied, on one hand, the compatibility is increased, and simultaneously, the cross-linking effect is achieved, the mechanical property and the mechanical property are improved, the PBS and the PLA components are fused to synthesize the alloy, the sodium sorbate serving as the clearing agent is used, the transparency of the material is improved, and therefore, the consumption condition of the tobacco tar can be observed. The material meets the requirements of hardness, temperature resistance and transparency required by the smoke cartridge material, is completely degraded, does not pollute the environment, reduces carbon emission, and meets the national standard of food safety.
Description
Technical Field
The invention relates to an electronic cigarette shell material, in particular to a fully-degradable electronic cigarette shell material.
Background
The cartridge is an essential part mounted on the electronic cigarette atomizer. The cigarette cartridge is composed of a tobacco tar storage body and a cigarette holder cap. A certain amount of tobacco tar is stored in the cigarette cartridge, and when the electronic cigarette works, the tobacco juice in the cigarette cartridge is atomized into gas under the action of the atomizer, so that the smoke like real smoke is formed. The cartridge is a consumable, and when one cartridge is used up, the cartridge is thrown away and replaced with a new cartridge. However, the existing cartridge is made of petrochemical material PCTG (polyethylene terephthalate-1, 4-cyclohexane dimethanol ester), and the material is not degraded and can cause environmental pollution after being discarded.
The material PCTG for the smoke cartridge has the main physical property indexes that: the Rockwell hardness is 100, the Heat distortion temperature is 100 ℃ and the transparency is 88%, but it is not degraded. The full-degradable smoke cartridge material can be prepared only when the physical property index is met. The physical index of the fully degradable material PBS (poly butylene succinate) is as follows: the Rockwell hardness is 85, the thermal deformation temperature is 95 ℃, and the transparency is 30%; the physical indexes of the fully degradable material PLA (polylactic acid) are as follows: the Rockwell hardness is 90, the heat distortion temperature is 60 ℃, and the transparency is 60%, so that PBS or PLA alone can not meet the physical property requirement of the smoke bomb material. PBS and PLA are mixed and melted to be made into alloy, and the two are complementary to each other, so that the requirement of the fully-degradable smoke cartridge material can be met, but the compatibility of the two is poor.
In the aspect of manufacturing electronic cigarette cartridge shells, CN112515242A discloses a cigarette cartridge shell and a manufacturing method thereof, a cigarette cartridge and an electronic cigarette. The material of the shell of the cartridge comprises a polymer and a silver ion additive, the shell of the cartridge has a good bactericidal effect by adding a certain amount of the silver ion additive, the polymer is selected from at least one of PCTG, ABS, PC, PEEK, PEI, PPSU, POM and PP, and the shell material of the cartridge prepared by the patent is not degraded. CN 113773625A discloses an antibacterial environment-friendly degradable electronic cigarette shell material and a preparation method thereof, wherein the material is prepared from the following raw materials in parts by mass: 60-90 parts of degradable plastics, 1-25 parts of nylon, 1-7 parts of styrene-maleic anhydride, 0.1-3 parts of antistatic agent, 1-8 parts of antibacterial agent and 1-5 parts of lubricant, wherein the degradable plastics are selected from one or two of polylactic acid, polyhydroxyalkanoate, carbon dioxide copolymer, polybutylene succinate and polybutylene adipate terephthalate.
Disclosure of Invention
Aiming at the problems, the invention provides a fully-degradable electronic cigarette shell material and a preparation method thereof. The invention selects the compatilizer and the cross-linking agent to be jointly applied, on one hand, the compatibility is increased, and simultaneously, the cross-linking effect is achieved, the mechanical property and the mechanical property are improved, the PBS and the PLA components are melted to synthesize alloy, the sodium sorbate serving as the clearing agent is used, the transparency of the material is improved, and therefore, the consumption condition of the tobacco tar can be observed. The material meets the requirements of hardness, temperature resistance and transparency required by the smoke cartridge material, is completely degraded, does not pollute the environment, reduces carbon emission, and meets the national standard of food safety.
The technical scheme of the invention is as follows: a fully-degradable electronic cigarette shell material is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PBS, 20-40 parts of PLA, 0.5-1 part of compatilizer, 0.3-0.5 part of cross-linking agent, 0.5-1 part of clearing agent, 0.2-0.3 part of antioxidant and 0.3-0.5 part of EBS (ethylene bis stearamide).
Preferably, the compatibilizer is carboxyl-terminated hyperbranched polyester HyPerC181, the crosslinking agent is BIBP (bis-tert-butylperoxydiisopropylbenzene), the clearing agent is sodium sorbate, and the antioxidant is: an antioxidant 1076.
The preparation method of the fully-degradable electronic cigarette shell material is characterized by comprising the following steps: adding the raw materials into a high-speed stirrer, uniformly mixing, adding the mixture into a double-screw extruder from a side feeding hopper, extruding the mixed raw materials through the double-screw extruder, granulating and drying to obtain the fully-degradable electronic cigarette shell material.
Further, the temperatures of the double-screw extruder from the feeding section to the first temperature section to the eighth temperature section of the die head are respectively set to be 155-165 ℃, 160-170 ℃, 165-175 ℃, 170-180 ℃, 175-185 ℃ and 175-185 ℃, the temperature of the die is 175 to 185 ℃, preferably 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and the temperature of the die is 180 ℃.
The PBS or PLA alone can not meet the physical property requirement of the smoke bomb material, the PBS and the PLA are mixed and melted to be made into alloy, and the PBS and the PLA are complementary to each other and can meet the requirement of the fully-degradable smoke bomb material. But the compatibility of the two is poor, the compatilizer and the cross-linking agent are selected to be jointly applied, on one hand, the compatibility is increased, and simultaneously, the cross-linking effect is achieved, the mechanical property and the mechanical property are improved, so that the two components are melted to synthesize an alloy so as to meet the requirements of the fully-degradable smoke cartridge material.
The hyperbranched polyester HyPerC181 is adopted to increase the compatibility of PBS and PLA, and the principle is that the hyperbranched polymer has lower viscosity, is not easy to crystallize, contains numerous terminal groups, and is easy to improve the compatibility of high polymer materials. The principle of the BIBP crosslinker is: can be decomposed to generate free radicals which can initiate free chain reaction of macromolecules, thereby leading to C-C crosslinking of the macromolecules. In order to improve the transparency of the alloy, a novel sodium sorbate clearing agent is added (discovered for the first time in the invention), and the principle is to reduce the spherulite diameter of the mixture, reduce the refraction and reflection when visible light passes through, increase the light transmittance, improve the transparency and observe the consumption condition of the tobacco tar.
Compared with the prior art, the invention has the following beneficial effects:
1. the fully-degradable electronic cigarette shell material is prepared from PBS, PLA, a compatilizer, a cross-linking agent, a transparent agent, an antioxidant and EBS. The compatilizer and the cross-linking agent are used in a combined manner, so that on one hand, the compatibility is increased, and on the other hand, the cross-linking effect is achieved, the mechanical property and the mechanical property are improved, and the components of the compatilizer and the cross-linking agent are melted to synthesize an alloy so as to meet the requirements of the fully-degradable smoke cartridge material. The transparent agent sodium sorbate is used, so that the transparency of the material is improved, and the consumption condition of tobacco tar can be observed.
2. The physical parameters of the electronic cigarette shell material prepared by the invention are consistent with the physical parameters of PCTG which is a material used for the existing cigarette cartridge, and the physical parameters of the PCTG meet the requirements of hardness, temperature resistance and transparency required by the cigarette cartridge material, but the PCTG is not degraded, the biological fully-degradable cigarette cartridge material is completely decomposed into carbon dioxide and water under the condition of topdressing for 3-6 months, so that the environmental pollution is not caused, the carbon emission is reduced, and the material meets the national food safety standard GB/T4806.7-2016. Compared with PBS and PLA, the performance is obviously superior to the PBS and PLA.
Detailed Description
The present invention will be further described with reference to examples. The compatibilizer used in this example is carboxyl-terminated hyperbranched polyester HyPerC181, the crosslinking agent is BIBP (bis-tert-butylperoxydiisopropylbenzene), the transparency agent is sodium sorbate, and the antioxidant is antioxidant 1076.
Example 1:
600 g of PBS, 400 g of PLA, 5 g of compatilizer, 4 g of cross-linking agent, 6 g of transparent agent, 2 g of antioxidant and 3 g of EBS are added into a high-speed stirrer, the raw materials are uniformly mixed and then added into a double-screw extruder from a side feeding hopper, and the mixed raw materials are extruded by the double-screw extruder, granulated and dried to obtain the fully-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the feed section to the first temperature section to the eighth temperature section of the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and the temperature of the die was set to 180 ℃.
Example 2:
adding 800 g of PBS, 200 g of PLA, 6 g of compatilizer, 3 g of cross-linking agent, 5 g of transparent agent, 3 g of antioxidant and 4 g of EBS into a high-speed stirrer, uniformly mixing, adding into a double-screw extruder from a side feeding hopper, extruding the mixed raw materials through the double-screw extruder, granulating and drying to obtain the fully-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the feed section to the first temperature section to the eighth temperature section of the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and the temperature of the die was set to 180 ℃.
Example 3:
adding 700 g of PBS, 300 g of PLA, 10 g of compatilizer, 5 g of cross-linking agent, 7 g of transparent agent, 2 g of antioxidant and 5 g of EBS into a high-speed stirrer, uniformly mixing, adding into a double-screw extruder from a side feeding hopper, extruding the mixed raw materials through the double-screw extruder, granulating and drying to obtain the fully-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the feed section to the first temperature section to the eighth temperature section of the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and the temperature of the die was set to 180 ℃.
Example 4:
adding 650 g of PBS, 350 g of PLA, 8 g of compatilizer, 4 g of cross-linking agent, 10 g of clearing agent, 3 g of antioxidant and 3 g of EBS into a high-speed stirrer, uniformly mixing, adding into a double-screw extruder from a side feeding hopper, extruding the mixed raw materials through the double-screw extruder, granulating and drying to obtain the fully-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the feed section to the first temperature section to the eighth temperature section of the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and the temperature of the die was set to 180 ℃.
Example 5:
adding 750 g of PBS, 250 g of PLA, 7 g of compatilizer, 5 g of cross-linking agent, 8 g of transparent agent, 2 g of antioxidant and 5 g of EBS into a high-speed stirrer, uniformly mixing, adding into a double-screw extruder from a side feeding hopper, extruding the mixed raw materials through the double-screw extruder, granulating and drying to obtain the fully-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the feed section to the first temperature section to the eighth temperature section of the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and the temperature of the die was set to 180 ℃.
Example 6:
adding 780 g of PBS, 220 g of PLA, 9 g of compatilizer, 4 g of cross-linking agent, 9 g of transparent agent, 3 g of antioxidant and 4 g of EBS into a high-speed stirrer, uniformly mixing, adding into a double-screw extruder from a side feeding hopper, extruding the mixed raw materials through the double-screw extruder, granulating and drying to obtain the fully-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the feed section to the first temperature section to the eighth temperature section of the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ respectively, and the temperature of the die was 180 ℃.
The comparison of the performance of the fully degradable e-cigarette cartridge case materials prepared in examples 1-6 of the present invention with PCTG, PBS and PLA materials is shown in table 1.
TABLE 1 comparison of the Performance of examples 1-6 with PCTG, PBS and PLA
As can be seen from table 1: the physical parameters (hardness, temperature resistance, transparency and the like) of the electronic cigarette shell material prepared in the embodiments 1-6 of the invention are consistent with the physical parameters (hardness, temperature resistance, transparency and the like) of PCTG which is a material used for the existing cigarette cartridge, so that the physical requirements of the fully-degradable cigarette cartridge material are met, but the PCTG is not degraded, and the biodegradation rate of the invention is more than or equal to 90%. Meanwhile, compared with PBS and PLA materials, the electronic cigarette shell materials prepared in the embodiments 1-6 of the invention have obviously better performances (hardness, temperature resistance, transparency and the like) than PBS and PLA.
The embodiment of the present invention is not limited by the above-mentioned embodiments, and various modifications or changes that can be made by those skilled in the art without creative efforts based on the technical solution of the present invention are still within the protection scope of the present invention.
Claims (8)
1. A fully-degradable electronic cigarette shell material is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PBS, 20-40 parts of PLA, 0.5-1 part of compatilizer, 0.3-0.5 part of cross-linking agent, 0.5-1 part of clearing agent, 0.2-0.3 part of antioxidant and 0.3-0.5 part of EBS.
2. The fully degradable e-cigarette cartridge shell material of claim 1, wherein the compatibilizer is a carboxyl terminated hyperbranched polyester HyPerC181.
3. The fully degradable electronic cigarette shell material of claim 1, wherein the cross-linking agent is di-tert-butylperoxydiisopropylbenzene.
4. The fully degradable electronic cigarette shell material of claim 1, wherein the clearing agent is sodium sorbate.
5. The fully degradable electronic cigarette shell material of claim 1, wherein the antioxidant is antioxidant 1076.
6. The preparation method of the fully degradable electronic cigarette shell material as claimed in any one of claims 1 to 5, wherein the raw materials are added into a high-speed stirrer, mixed uniformly and then added into a double-screw extruder from a side feeding hopper, and the mixed raw materials are extruded, granulated and dried by the double-screw extruder to obtain the fully degradable electronic cigarette shell material.
7. The production method according to claim 6, wherein the temperatures of the twin-screw extruder from the feed section to the first temperature zone to the eighth temperature zone of the die are set to be: 155-165 ℃, 160-170 ℃, 165-175 ℃, 170-180 ℃, 175-185 ℃ and 175-185 ℃ of die head temperature.
8. The production method according to claim 7, wherein the temperatures of the twin-screw extruder from the feed section to the first temperature zone to the eighth temperature zone of the die are set to be: 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and 180 ℃ of the die head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211240235.9A CN115819933B (en) | 2022-10-11 | 2022-10-11 | Full-degradable electronic cigarette shell material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211240235.9A CN115819933B (en) | 2022-10-11 | 2022-10-11 | Full-degradable electronic cigarette shell material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN115819933A true CN115819933A (en) | 2023-03-21 |
| CN115819933B CN115819933B (en) | 2024-02-02 |
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| CN113773625A (en) * | 2021-10-12 | 2021-12-10 | 沈阳浩博实业有限公司 | Antibacterial environment-friendly degradable electronic cigarette shell material and preparation method thereof |
| WO2021258760A1 (en) * | 2020-06-24 | 2021-12-30 | 上海昶法新材料有限公司 | Biodegradable material, and raw material composition, preparation method, and application of biodegradable material |
| CN114369347A (en) * | 2022-02-08 | 2022-04-19 | 北京纳通医学研究院有限公司 | Degradable flow modification auxiliary agent and preparation method and application thereof |
| CN114702765A (en) * | 2022-06-07 | 2022-07-05 | 上海科进生物技术有限公司 | Modified nano-microsphere, PC/PET composite material and preparation method thereof |
| CN114790325A (en) * | 2022-04-23 | 2022-07-26 | 丹阳恒绿新材料有限公司 | Bio-based fully-degradable thin-wall injection molding material and preparation method thereof |
-
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- 2022-10-11 CN CN202211240235.9A patent/CN115819933B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258760A1 (en) * | 2020-06-24 | 2021-12-30 | 上海昶法新材料有限公司 | Biodegradable material, and raw material composition, preparation method, and application of biodegradable material |
| CN113773625A (en) * | 2021-10-12 | 2021-12-10 | 沈阳浩博实业有限公司 | Antibacterial environment-friendly degradable electronic cigarette shell material and preparation method thereof |
| CN114369347A (en) * | 2022-02-08 | 2022-04-19 | 北京纳通医学研究院有限公司 | Degradable flow modification auxiliary agent and preparation method and application thereof |
| CN114790325A (en) * | 2022-04-23 | 2022-07-26 | 丹阳恒绿新材料有限公司 | Bio-based fully-degradable thin-wall injection molding material and preparation method thereof |
| CN114702765A (en) * | 2022-06-07 | 2022-07-05 | 上海科进生物技术有限公司 | Modified nano-microsphere, PC/PET composite material and preparation method thereof |
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