CN115819933B - Full-degradable electronic cigarette shell material and preparation method thereof - Google Patents
Full-degradable electronic cigarette shell material and preparation method thereof Download PDFInfo
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- CN115819933B CN115819933B CN202211240235.9A CN202211240235A CN115819933B CN 115819933 B CN115819933 B CN 115819933B CN 202211240235 A CN202211240235 A CN 202211240235A CN 115819933 B CN115819933 B CN 115819933B
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- 239000011257 shell material Substances 0.000 title claims abstract description 34
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 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
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 34
- 239000004626 polylactic acid Substances 0.000 claims description 34
- 239000002994 raw material Substances 0.000 claims description 11
- 229920006150 hyperbranched polyester Polymers 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 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
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 claims 2
- 239000002953 phosphate buffered saline Substances 0.000 claims 2
- BSKJUAKMZZKMKC-UHFFFAOYSA-N 1,2-ditert-butyl-3,4-di(propan-2-yl)benzene Chemical group CC(C)C1=CC=C(C(C)(C)C)C(C(C)(C)C)=C1C(C)C BSKJUAKMZZKMKC-UHFFFAOYSA-N 0.000 claims 1
- 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
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 5
- 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
- 238000013329 compounding Methods 0.000 abstract description 2
- 229920002961 polybutylene succinate Polymers 0.000 description 26
- 239000004631 polybutylene succinate Substances 0.000 description 26
- 235000019504 cigarettes Nutrition 0.000 description 19
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 10
- -1 polyethylene terephthalate-1, 4-cyclohexanedimethanol Polymers 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Natural products O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000004677 Nylon Substances 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
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229920006238 degradable plastic Polymers 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) 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
- 239000004696 Poly ether ether ketone 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
- 230000000844 anti-bacterial effect Effects 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
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000002148 esters Chemical class 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
- 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
- 229920000903 polyhydroxyalkanoate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000001721 transfer moulding 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 full-degradable electronic cigarette shell material and a preparation method thereof, wherein the full-degradable electronic cigarette shell material is prepared by compounding PBS, PLA, a compatilizer, a cross-linking agent, a transparency agent, an antioxidant and EBS and then adopting a double-screw extruder. According to the invention, the compatilizer and the cross-linking agent are combined to be used, so that on one hand, the compatibility is increased, the cross-linking effect is realized, the mechanical property and the mechanical property are improved, PBS and PLA components are fused to synthesize an alloy, and the transparency of the material is improved by using the transparent agent sodium sorbate, so that the consumption condition of tobacco tar can be observed. The material meets the requirements of hardness, heat resistance and transparency of the bullet material, is completely degraded, does not pollute the environment, reduces carbon emission, and meets the national food safety standard.
Description
Technical Field
The invention relates to an electronic cigarette shell material, in particular to a full-degradable electronic cigarette shell material.
Background
The cartridge is an essential part mounted on the electronic cigarette atomizer. The cigarette bullet consists of a tobacco tar storage body and a cigarette holder cap. The cigarette bullet has stored the tobacco tar of a certain amount in the inside, and when electron cigarette work, the tobacco juice in the cigarette bullet atomizes into gas under the effect of atomizer to form the smog of just like real cigarette. Cartridges are consumables, one cartridge being used up, and the cartridge being thrown away and replaced with a new cartridge. However, the current cartridges are made of petrochemical material PCTG (polyethylene terephthalate-1, 4-cyclohexanedimethanol ester), which is non-degradable and causes environmental pollution after being discarded.
PCTG as a material for a cartridge, which has main physical properties: rockwell hardness 100, heat distortion temperature 100 ℃, transparency 88%, but no degradation. The fully-degradable cigarette bullet material can be used for preparing cigarette bullets only after reaching the physical indexes. The physical indexes of the fully degradable material PBS (polybutylene succinate) are as follows: rockwell hardness 85, heat distortion temperature 95 ℃, transparency 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 the physical property requirement of the bullet material cannot be met by PBS or PLA alone. PBS and PLA are mixed and melted to form an alloy, and the PBS and PLA are complementary to each other so as to meet the requirements of fully-degradable cigarette bomb materials, but have poor compatibility.
In terms of preparation of an electronic cigarette cartridge case, CN112515242A discloses a cigarette cartridge case, a preparation method thereof, a cigarette cartridge and an electronic cigarette. The material of the shell comprises a polymer and a silver ion additive, and the shell has a good sterilization effect by adding a certain amount of the silver ion additive, wherein the polymer is at least one selected from PCTG, ABS, PC, PEEK, PEI, PPSU, POM and PP, and the shell material prepared by the patent is not degraded. CN113773625 a 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 plastic, 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 plastic is one or two of polylactic acid, polyhydroxyalkanoate, carbon dioxide copolymer, polybutylene succinate and polybutylene adipate terephthalate, and the shell material of the cigarette prepared by the patent is not completely degraded due to the addition of non-degradable material nylon, and meanwhile, the compatibility problem among the degradable materials is not solved.
Disclosure of Invention
Aiming at the problems, the invention provides a full-degradable electronic cigarette shell material and a preparation method thereof, wherein the full-degradable electronic cigarette shell material is prepared by compounding PBS, PLA, a compatilizer, a cross-linking agent, a transparency agent, an antioxidant and EBS and then adopting a double-screw extruder. According to the invention, the compatilizer and the cross-linking agent are combined to be used, so that on one hand, the compatibility is increased, the cross-linking effect is realized, the mechanical property and the mechanical property are improved, PBS and PLA components are fused to synthesize an alloy, and the transparency of the material is improved by using the transparent agent sodium sorbate, so that the consumption condition of tobacco tar can be observed. The material meets the requirements of hardness, heat resistance and transparency of the bullet material, is completely degraded, does not pollute the environment, reduces carbon emission, and meets the national food safety standard.
The technical scheme of the invention is as follows: the full-degradable electronic cigarette shell material is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PBS (poly lactic acid), 20-40 parts of PLA (polylactic acid), 0.5-1 part of compatilizer, 0.3-0.5 part of cross-linking agent, 0.5-1 part of transparent agent, 0.2-0.3 part of antioxidant and 0.3-0.5 part of EBS (ethylene bis stearamide).
Preferably, the compatilizer is hyperbranched polyester HyPerC181 with carboxyl end groups, the cross-linking agent is BIBP (di-tert-butyl diisopropyl peroxide), the transparent agent is sodium sorbate, and the antioxidant is: and an antioxidant 1076.
The preparation method of the full-degradable electronic cigarette shell material is characterized by comprising the following steps of: adding the raw materials into a high-speed stirrer, uniformly mixing, adding the mixed raw materials 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 full-degradable electronic cigarette shell material.
Further, the temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the die head from the feed zone are set to 155 to 165 ℃, 160 to 170 ℃, 165 to 175 ℃, 170 to 180 ℃, 175 to 185 ℃, the die head temperature is 175 to 185 ℃, preferably 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃, and the die head temperature is 180 ℃.
The physical property requirements of the bullet material can not be met by the PBS or PLA alone, and the PBS and the PLA are mixed and melted to form an alloy, so that the requirements of the full-degradable bullet material can be met by complementation of the PBS and the PLA. However, the compatibility of the two components is poor, and the compatibility agent and the cross-linking agent are selected to be combined for use, so that on one hand, the compatibility is increased, the cross-linking effect is achieved, the mechanical property and the mechanical property are improved, and the two components are melted to synthesize the alloy so as to meet the requirement of fully-degradable cigarette bomb materials.
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 a plurality of terminal groups, and is easy to improve the compatibility of high polymer materials. The principle of the BIBP crosslinking agent is as follows: can decompose to generate free radicals, which can initiate the free chain reaction of the polymer, thereby leading to the C-C crosslinking of the polymer. In order to improve the transparency of the alloy, the invention adds a novel transparent agent sodium sorbate (discovered for the first time), and the principle is that the spherical crystal diameter of the mixture is reduced, so that the refraction and reflection are reduced when visible light passes through, the light transmittance is increased, and the transparency is improved, thereby observing the consumption condition of tobacco tar.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts PBS, PLA, compatilizer, cross-linking agent, transparent agent, antioxidant and EBS to prepare the full-degradable electronic cigarette cartridge case material. The compatilizer and the cross-linking agent are combined to increase the compatibility, and simultaneously, the cross-linking effect is achieved, so that the mechanical property and the mechanical property are improved, and the components of the compatilizer and the cross-linking agent are melted to synthesize the alloy so as to meet the requirements of the fully-degradable cartridge material. The use of the transparent agent sodium sorbate improves the transparency of the material, thereby being capable of observing the consumption condition of tobacco tar.
2. The physical parameters of the electronic cigarette shell material prepared by the invention are consistent with those of PCTG (prestressed concrete cylinder transfer molding) materials for the existing cigarette shell, the requirements of hardness, heat resistance and transparency of the cigarette shell material are met, but the PCTG is not degraded, the biological full-degradation cigarette shell material is completely decomposed into carbon dioxide and water under the condition of topdressing for 3-6 months, the environmental pollution is avoided, the carbon emission is reduced, and the biological full-degradation cigarette shell material meets the national food safety standard GB/T4806.7-2016. The performance was significantly better than PBS and PLA compared to PBS and PLA.
Detailed Description
The invention will be further illustrated with reference to examples. The compatilizer used in the embodiment is hyperbranched polyester HyPerC181 with carboxyl end groups, the cross-linking agent is BIBP (di-tert-butyl diisopropyl peroxide), the transparent 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 materials are added into a double-screw extruder from a side feeding hopper after being uniformly mixed, and the mixed materials are extruded through the double-screw extruder, granulated and dried to obtain the full-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the feed zone to the die were set at 160 c, 165 c, 170 c, 175 c, 180 c, the temperature of the die was 180 ℃.
Example 2:
adding 800 g of PBS (poly lactic acid), 200 g of PLA (polylactic acid), 6 g of compatilizer, 3 g of cross-linking agent, 5 g of transparency agent, 3 g of antioxidant and 4 g of EBS (ethylene-vinyl acetate) into a high-speed stirrer, uniformly mixing, adding the mixed raw materials 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 full-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the feed zone to the die were set at 160 c, 165 c, 170 c, 175 c, 180 c, the temperature of the die was 180 ℃.
Example 3:
700 g of PBS, 300 g of PLA, 10 g of compatilizer, 5 g of cross-linking agent, 7 g of transparency agent, 2 g of antioxidant and 5 g of EBS are added into a high-speed stirrer, the materials are added into a double-screw extruder from a side feeding hopper after being uniformly mixed, and the mixed materials are extruded through the double-screw extruder, granulated and dried to obtain the full-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the feed zone to the die were set at 160 c, 165 c, 170 c, 175 c, 180 c, the temperature of the die was 180 ℃.
Example 4:
650 g of PBS (poly lactic acid), 350 g of PLA (polylactic acid), 8 g of compatilizer, 4 g of cross-linking agent, 10 g of transparent agent, 3 g of antioxidant and 3 g of EBS (ethylene-vinyl acetate) are added into a high-speed stirrer, and after being uniformly mixed, the raw materials are added into a double-screw extruder from a side feeding hopper, extruded through the double-screw extruder, granulated and dried, so that the full-degradable electronic cigarette shell material is obtained. The temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the feed zone to the die were set at 160 c, 165 c, 170 c, 175 c, 180 c, the temperature of the die was 180 ℃.
Example 5:
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 are added into a high-speed stirrer, the materials are added into a double-screw extruder from a side feeding hopper after being uniformly mixed, and the mixed materials are extruded through the double-screw extruder, granulated and dried to obtain the full-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the feed zone to the die were set at 160 c, 165 c, 170 c, 175 c, 180 c, the temperature of the die was 180 ℃.
Example 6:
780 g of PBS, 220 g of PLA, 9 g of compatilizer, 4 g of cross-linking agent, 9 g of transparency agent, 3 g of antioxidant and 4 g of EBS are added into a high-speed stirrer, the materials are added into a double-screw extruder from a side feeding hopper after being uniformly mixed, and the mixed materials are extruded through the double-screw extruder, granulated and dried to obtain the full-degradable electronic cigarette shell material. The temperatures of the twin-screw extruder from the first temperature zone to the eighth temperature zone of the feed zone to the die were set to 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃ and 180 ℃ respectively, and the temperature of the die was 180 ℃.
The performance comparison of the fully degradable electronic cigarette cartridge case material prepared in the embodiments 1-6 of the 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 electronic cigarette shell material prepared in the embodiments 1-6 of the invention is consistent with the physical parameters (hardness, temperature and transparency, etc.) of the PCTG material for the existing cigarette shell, and meets the physical requirements of the fully degradable cigarette shell material, but the PCTG is not degradable, 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 material prepared by the embodiments 1-6 of the invention has obviously better performance (hardness, temperature and transparency, etc.) than PBS and PLA.
The embodiments of the present invention are not limited to the above examples, and various modifications or variations which may be made by those skilled in the art without the inventive effort on the basis of the technical solutions of the present invention are still within the scope of the present invention.
Claims (5)
1. The full-degradable electronic cigarette shell material is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PBS (phosphate buffered saline), 20-40 parts of PLA (polylactic acid), 0.5-1 part of compatilizer, 0.3-0.5 part of cross-linking agent, 0.5-1 part of transparent agent, 0.2-0.3 part of antioxidant and 0.3-0.5 part of EBS;
the compatilizer is hyperbranched polyester HyPerC181 with carboxyl ends;
the cross-linking agent is di-tert-butyl diisopropyl benzene peroxide;
the transparent agent is sodium sorbate.
2. The fully degradable electronic cigarette case material of claim 1, wherein the antioxidant is antioxidant 1076.
3. The method for preparing the full-degradable electronic cigarette shell material according to claim 1 or 2, which is characterized in that the raw materials are added into a high-speed stirrer, the mixture is added into a double-screw extruder from a side feeding hopper after being uniformly mixed, the mixed raw materials are extruded through the double-screw extruder, and the full-degradable electronic cigarette shell material is obtained after granulating and drying.
4. The method according to claim 3, wherein the temperatures of the twin-screw extruder from the first temperature section to the eighth temperature section of the feed section to the die are set as follows: 155-165 ℃, 160-170 ℃, 165-175 ℃, 170-180 ℃, 175-185 ℃ and the temperature of the die head is 175-185 ℃.
5. The method according to claim 4, wherein the temperatures of the twin-screw extruder from the first temperature section to the eighth temperature section of the feed section to the die are respectively set as follows: 160 ℃, 165 ℃, 170 ℃, 175 ℃, 180 ℃, and the die temperature is 180 ℃.
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| CN202211240235.9A CN115819933B (en) | 2022-10-11 | 2022-10-11 | Full-degradable electronic cigarette shell material and preparation method thereof |
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| CN115819933B true 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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