CN109401023A - HDPE antibiotic plastic and preparation method thereof - Google Patents
HDPE antibiotic plastic and preparation method thereof Download PDFInfo
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- CN109401023A CN109401023A CN201811340989.5A CN201811340989A CN109401023A CN 109401023 A CN109401023 A CN 109401023A CN 201811340989 A CN201811340989 A CN 201811340989A CN 109401023 A CN109401023 A CN 109401023A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The invention discloses a kind of HDPE antibiotic plastics, are mainly made of the raw material of following weight parts: 100 parts by weight of high density polyethylene (HDPE)；4~8 parts by weight of antibacterial agent；2~3 parts by weight of ethylene group bis-stearamides；3~5 parts by weight of compatilizer；1~2 parts by weight of plasticizer.HDPE antibiotic plastic of the invention is by the way that using 2- methoxy-N-acetyl acetyl group aniline and lithium carbonate as antibacterial agent, by reasonable compatibility, killing effect and inhibition growth to pathogenic microorganism reach best；Using ethylene-propylene copolymer as compatilizer, in conjunction with high density polyethylene (HDPE) after, can further improve high density polyethylene (HDPE) mechanical strength；By the way that the flexibility of tributyl 2-acetylcitrate improvement HDPE is added and is easily worked performance；Its anti-microbial property is further increased by the way that chitin is added.
Description
Technical field
The present invention relates to a kind of HDPE plastics, more particularly to a kind of HDPE antibiotic plastic and preparation method thereof.
Background technique
Currently, plastic products occupy highly important status in daily life and industrial and agricultural production.But with
The change of health of people idea, gradually recognize that surface of plastic products can largely be bred and all kinds of cure the disease to human health
Bacterium.People be effectively prevent and kill off and kill the bacterium that frosting is grown nonparasitically upon another plant, generally use in the plastic add antibacterial agent be made it is anti-
Bacterium plastics, make plastics itself have antibiotic property, can will stain bacterium on plastics within a certain period of time and kill or inhibit, and normal
The chemically and physically method of rule is compared, long using antibiotic plastic sterilization timeliness, not only economical but also conveniently.It the exploitation of antibiotic plastic and answers
One of green screen has been set up with for protection human health, for improving environment for human survival, has reduced disease, the protection whole people are strong
Health has a very important significance.Due to antibiotic plastic fundamentally can reduce or avoid person to person, people and object, object with
The cross-infection of bacterium between object, the plastic products with antibacterial functions are generally valued by people and welcome.
Plastics are broadly divided into organic and inorganic antiseptic with antibacterial agent, and inorganic antibacterial agent is mostly metal ion class antibacterial
Agent is made of carrier and antimicrobial component.This antibacterial agent is adhered to metal ion using the methods of ion exchange, absorption, precipitating
On the carriers such as zeolite, titanium dioxide, ceramics, apatite.Antimicrobial component is silver ion, zinc ion, copper ion etc., wherein due to
Silver-ion antibiotic power is most strong, so using more.But its chemical property is living, is easily changed into the silver oxide of brown or urges through ultraviolet light
Change the elemental silver for being reduced to black, constrains it in the application of more multiregion.Inorganic antiseptic can be directly appended in resin,
Antibacterial plastic concentrate can first be made again.This antibacterial agent heat resisting temperature can be used in PE, HDPE, PVC, PS, ABS up to 270 DEG C or more
In the plastics such as polyester.Inorganic antiseptic have many advantages, such as it is long-acting, do not generate drug resistance, occupy in the development of plastics antibacterial agent
Very big advantage.The sterilization of inorganic antiseptic and antifungal mechanism are that heavy metal ion is easily in conjunction with protein in inorganic antiseptic, institute
With when the microorganism for being grown in frosting touches the antimicrobial component in plastics, metal ion strong adsorption bacterium.Due to
The combination of enzyme in metal ion and bacterial cell destroys the space structure and activity of enzyme, makes the metabolism of microorganism can not
It can be carried out, to play sterilization and antibacterial effect.Organic antibacterial agent includes natural and the big series of synthesis two.Natural antibacterial agent master
If being mentioned in crab and shrimp made of refining refinement in animals and plants, such as the extract of behenyl, Meng Zongzhu, peppermint, lemonlike citrus leaf etc.
The polyhexamethylene guanide etc. of refining.The organic antibacterial agent speed that sterilizes is fast, and what is had can effectively kill suppression mould, but its there are heat-resisting except use
The problems such as property poor, facile hydrolysis, short service life.
Since different antibacterial agents is to the Antibacterial mechanism of pathogen of the same race and the difference of validity and antibacterial of the same race
Agent for different pathogens antibacterial action mechanism and inhibit range also different, therefore, to develop not only long-acting but also wide spectrum, both
Efficient and safe antibacterial agent, it is particularly significant to the research of Antibacterial Mechanism.
Summary of the invention
In view of the above shortcomings, the purpose of the present invention is to provide a kind of HDPE antibiotic plastics, have excellent mechanics
Performance and processing performance, and antibiotic property with super strength, can be used in preparing plastic film, tubing, plate, packaging material and
Various plastic products.
Technical solution of the present invention is summarized as follows:
A kind of HDPE antibiotic plastic, wherein be mainly made of the raw material of following weight parts:
Preferably, the HDPE antibiotic plastic, wherein the antibacterial agent includes 65wt%~70wt%2- methoxy
Base-N- acetoacetyl aniline and 30wt%~35wt% lithium carbonate.
Preferably, the HDPE antibiotic plastic, wherein the compatilizer is ethylene-propylene copolymer.
Preferably, the HDPE antibiotic plastic, wherein the number-average molecular weight of the ethylene-propylene copolymer is
2300~2400g/mol.
Preferably, the HDPE antibiotic plastic, wherein the plasticizer is tributyl 2-acetylcitrate.
Preferably, the HDPE antibiotic plastic, wherein further include the chitin of 1~2 parts by weight.
Preferably, the HDPE antibiotic plastic, wherein further include the polyester fiber of 2~4 parts by weight.
Preferably, the HDPE antibiotic plastic, wherein the polyester fiber is that poly- 2,6- naphthalene diacid second diester is fine
Dimension.
Preferably, the HDPE antibiotic plastic, wherein further include the niobium oxide of 2~4 parts by weight.
It is a further object to provide a kind of preparation methods of HDPE antibiotic plastic, include the following steps:
1) antibacterial agent, ethylene group bis-stearamides and chitin are pre-mixed, obtain premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 180~200 DEG C of temperature, is dried, obtain antibacterial modeling
Material.
The beneficial effects of the present invention are:
(1) HDPE antibiotic plastic of the invention is using 2- methoxy-N-acetyl acetyl group aniline and lithium carbonate as antibacterial agent,
, by reasonable compatibility, killing effect and inhibition growth to pathogenic microorganism reach best for it.
(2) HDPE antibiotic plastic of the invention is using ethylene-propylene copolymer as compatilizer, with high density polyethylene (HDPE) knot
After conjunction, high density polyethylene (HDPE) mechanical strength can further improve, and improve the compatibility of other components and high density polyethylene (HDPE), from
And improve the performance of HDPR；By the way that the flexibility of tributyl 2-acetylcitrate improvement HDPE is added and is easily worked performance；Pass through
Chitin is added and further increases its anti-microbial property；The size of plastics is improved by the way that poly- two ester fiber of 2,6- naphthalene diacid second is added
Stability, radiation resistance, anti-microbial property and chemical reagent-resistant performance；Niobium oxide powder is in conjunction with ethylene-propylene copolymer
Afterwards, the stress inside system can be reduced, the toughness of HDPE plastic is improved, so that it is with higher mechanical strength, and for a long time
After being exposed to open air, the intensity drop-out value of HDPE plastic is lower.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
This case proposes a kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
High density polyethylene (HDPE) (HDPE) be white powder or granular product, it is nontoxic, it is tasteless, crystallinity be 80%~
90%, softening point is 35 DEG C of 125~l, using temperature up to 100 DEG C；Hardness, tensile strength and creep properties are poly- better than low-density
Ethylene；Wearability, electrical insulating property, toughness and cold resistance are preferable；Chemical stability is good, at room temperature, has insoluble in any
Solvent, the corrosion of acid and alkali resistance and various salts；
As the another embodiment of this case, wherein antibacterial agent includes 65wt%~70wt%2- methoxy-N-acetyl acetyl group
Aniline and 30wt%~35wt% lithium carbonate.2- methoxy-N-acetyl acetyl group aniline and lithium carbonate are by reasonable compatibility, to disease
The killing effect and inhibition growth of pathogenic microorganism reach best.
As the another embodiment of this case, wherein compatilizer is ethylene-propylene copolymer.Ethylene-propylene copolymer is random
Copolymer after ethylene-propylene copolymer is in conjunction with high density polyethylene (HDPE), can further improve high density polyethylene (HDPE) mechanical strength,
And the compatibility of other components and high density polyethylene (HDPE) is improved, to improve the performance of HDPR.
As the another embodiment of this case, wherein the number-average molecular weight of ethylene-propylene copolymer is 2300~2400g/mol.
The number-average molecular weight of ethylene-propylene copolymer can influence the bond strength of other components and high density polyethylene (HDPE), therefore, second
Alkene-vinylidene fluoride copolymer number-average molecular weight should be also restricted.
As the another embodiment of this case, wherein plasticizer is tributyl 2-acetylcitrate.By the way that acetyl tributyl citrate three is added
Butyl ester improves the flexibility of HDPE and is easily worked performance.
As the another embodiment of this case, wherein further include the chitin of 1~2 parts by weight.It is further by the way that chitin is added
Improve its anti-microbial property.
As the another embodiment of this case, wherein further include the polyester fiber of 2~4 parts by weight.
As the another embodiment of this case, wherein polyester fiber is poly- 2,6- naphthalene diacid second, two ester fiber.It is poly- by being added
2,6- naphthalene diacid second, two ester fiber improves the dimensional stability of plastics, radiation resistance, anti-microbial property and chemical reagent-resistant performance.
As the another embodiment of this case, wherein further include the niobium oxide of 2~4 parts by weight.Niobium oxide powder with ethylene-
After propylene copolymer combines, the stress inside system can be reduced, the toughness of HDPE plastic is improved, so that it is with higher machinery
Intensity, and for a long time be exposed to open air after, the intensity drop-out value of HDPE plastic is lower.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) antibacterial agent, ethylene group bis-stearamides and chitin are pre-mixed, obtain premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 180~200 DEG C of temperature, is dried, obtain antibacterial modeling
Material.
Some specific embodiments and comparative example is listed below:
Embodiment 1:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2300g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides and chitin are premixed
It closes, obtains premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated 180, under the conditions of DEG C temperature, dries, obtains antibiotic plastic.
Embodiment 2:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2300g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides and chitin are premixed
It closes, obtains premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 180 DEG C of temperature, dries, obtains antibiotic plastic.
Embodiment 3:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2400g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides and chitin are premixed
It closes, obtains premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 200 DEG C of temperature, dries, obtains antibiotic plastic.
Comparative example 1:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2300g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, ethylene group bis-stearamides and chitin are pre-mixed, are obtained
Premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated 180, under the conditions of DEG C temperature, dries, obtains antibiotic plastic.
Comparative example 2:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2300g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides are pre-mixed, are obtained
Premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium, ethylene-propylene copolymer are mixed, and after mixing, tributyl 2-acetylcitrate are added, mixes well, is mixed
Material；
3) mixture that above-mentioned steps (2) obtain is granulated 180, under the conditions of DEG C temperature, dries, obtains antibiotic plastic.
Comparative example 3:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2300g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides and chitin are premixed
It closes, obtains premix material；
2) premix that step (1) obtains is mixed with high density polyethylene (HDPE), niobium oxide, ethylene-propylene copolymer
It closes, after mixing, tributyl 2-acetylcitrate is added, mixes well, obtains mixture；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 180 DEG C of temperature, dries, obtains antibiotic plastic.
Comparative example 4:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2300g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides and chitin are premixed
It closes, obtains premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, ethylene-
Propylene copolymer is mixed, and after mixing, tributyl 2-acetylcitrate is added, mixes well, obtains mixture；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 180 DEG C of temperature, dries, obtains antibiotic plastic.
Comparative example 5:
A kind of HDPE antibiotic plastic, is mainly made of the raw material of following weight parts:
The number-average molecular weight of ethylene-propylene copolymer is 2400g/mol.
A kind of preparation method of HDPE antibiotic plastic, includes the following steps:
1) 2- methoxy-N-acetyl acetyl group aniline, lithium carbonate, ethylene group bis-stearamides and chitin are premixed
It closes, obtains premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, oxidation
Niobium is mixed, and after mixing, tributyl 2-acetylcitrate is added, mixes well, obtains mixture；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 200 DEG C of temperature, dries, obtains antibiotic plastic.
The performance test results of embodiment and comparative example are listed below:
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of HDPE antibiotic plastic, which is characterized in that be mainly made of the raw material of following weight parts:
2. HDPE antibiotic plastic according to claim 1, which is characterized in that the antibacterial agent includes 65wt%~70wt%
2- methoxy-N-acetyl acetyl group aniline and 30wt%~35wt% lithium carbonate.
3. HDPE antibiotic plastic according to claim 1, which is characterized in that the compatilizer is ethylene-propylene copolymer.
4. HDPE antibiotic plastic according to claim 3, which is characterized in that the number of the ethylene-propylene copolymer is divided equally
Son amount is 2300~2400g/mol.
5. HDPE antibiotic plastic according to claim 1, which is characterized in that the plasticizer is three fourth of acetyl tributyl citrate
Ester.
6. HDPE antibiotic plastic according to claim 1, which is characterized in that further include the chitin of 1~2 parts by weight.
7. HDPE antibiotic plastic according to claim 1, which is characterized in that further include the polyester fiber of 2~4 parts by weight.
8. HDPE antibiotic plastic according to claim 7, which is characterized in that the polyester fiber is poly- 2,6- naphthalene diacid
Two ester fiber of second.
9. HDPE antibiotic plastic according to claim 1, which is characterized in that further include the niobium oxide of 2~4 parts by weight.
10. the preparation method of -9 described in any item HDPE antibiotic plastics according to claim 1, includes the following steps:
1) antibacterial agent, ethylene group bis-stearamides and chitin are pre-mixed, obtain premix material；
2) premix for obtaining step (1) and high density polyethylene (HDPE), poly- two ester fiber of 2,6- naphthalene diacid second, niobium oxide, second
Alkene-propylene copolymer is mixed, and after mixing, tributyl 2-acetylcitrate is added, mixes well, obtains mixture；
3) mixture that above-mentioned steps (2) obtain is granulated under the conditions of 180~200 DEG C of temperature, dries, obtains antibiotic plastic.
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| CN201811340989.5A CN109401023A (en) | 2018-11-12 | 2018-11-12 | HDPE antibiotic plastic and preparation method thereof |
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| CN201811340989.5A CN109401023A (en) | 2018-11-12 | 2018-11-12 | HDPE antibiotic plastic and preparation method thereof |
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| CN112480519A (en) * | 2020-12-10 | 2021-03-12 | 江西钰石实业有限公司 | Production method of cinerary casket storage rack with antibacterial function |
| CN115322466A (en) * | 2022-08-23 | 2022-11-11 | 北方华锦化学工业股份有限公司 | Special antibacterial low-temperature-resistant high-density polyethylene pipe material and preparation method thereof |
| CN115584071A (en) * | 2022-10-12 | 2023-01-10 | 周紫璇 | Preparation method of HDPE (high-density polyethylene) antibacterial plastic |
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Cited By (3)
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| CN112480519A (en) * | 2020-12-10 | 2021-03-12 | 江西钰石实业有限公司 | Production method of cinerary casket storage rack with antibacterial function |
| CN115322466A (en) * | 2022-08-23 | 2022-11-11 | 北方华锦化学工业股份有限公司 | Special antibacterial low-temperature-resistant high-density polyethylene pipe material and preparation method thereof |
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