CN115975306A - Antibacterial ABS plastic particles and preparation method thereof - Google Patents

Antibacterial ABS plastic particles and preparation method thereof Download PDF

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Publication number
CN115975306A
CN115975306A CN202211630472.6A CN202211630472A CN115975306A CN 115975306 A CN115975306 A CN 115975306A CN 202211630472 A CN202211630472 A CN 202211630472A CN 115975306 A CN115975306 A CN 115975306A
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Prior art keywords
antibacterial
parts
preparation
abs
agent
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CN202211630472.6A
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Chinese (zh)
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佘海中
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Xinyi Tiansheng New Material Co ltd
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Xinyi Tiansheng New Material Co ltd
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Priority to CN202211630472.6A priority Critical patent/CN115975306A/en
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    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Abstract

The invention discloses an antibacterial ABS plastic particle and a preparation method thereof, relating to the technical field of ABS plastics; the particles comprise SAN resin: 80-100 parts of regenerated ABS particles: 30-50 parts of an antibacterial powder preparation: 10-30 parts of auxiliary preparation: 3-5 parts of functional preparation: 3-5 parts of an auxiliary preparation, wherein the auxiliary preparation comprises an antioxidant: 20% -25%, brightener: 1% -5%, lubricant: 15% -25%, toughening agent: 30% -40%, anti-scratch agent: 10% -15%, the functional agent comprises one or more of ultraviolet absorbent, antistatic agent, coupling agent, lubricant and dispersant, and the method comprises pretreatment and pretreatment of regenerated ABS particles. According to the invention, the regenerated ABS material is added into the regenerated raw material, so that part of the raw material in the finished product is replaced by the regenerated ABS, the introduction of new material is saved, and the cost is reduced.

Description

Antibacterial ABS plastic particles and preparation method thereof
Technical Field
The invention relates to the technical field of ABS (acrylonitrile-butadiene-styrene) plastics, in particular to antibacterial ABS plastic particles and a preparation method thereof.
Background
ABS is acrylonitrile-styrene-butadiene copolymer, is light yellow granular or powdery opaque resin, is nontoxic, tasteless, light, has excellent impact resistance, good low-temperature performance and chemical resistance, and has good dimensional stability, high surface glossiness and easy coloring.
Through retrieval, the Chinese patent publication numbers are: the patent of CN114854167A discloses an antibacterial ABS plastic master batch, which comprises a dispersion core, wherein the dispersion core is formed by combining antibacterial particles and a binding agent; the antibacterial particles are ABS plastic particles with 45-48% of antibacterial agent, and the particle size of the antibacterial particles is 15-20 mu m; the binding agent is used for adhesion of the antibacterial particles; the coating layer is of a film-shaped structure and is positioned outside the dispersion core and used for coating the dispersion core; the weight ratio of the binding agent to the antibacterial particles to the coating layer is 4.
The above patents suffer from the following disadvantages: the combination of the dispersion core and the antibacterial particles is directly utilized, and the reutilization of the regenerated ABS material cannot be realized, so that the cost is higher.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an antibacterial ABS plastic particle and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an antibacterial ABS plastic particle comprises SAN resin: 80-100 parts of regenerated ABS particles: 30-50 parts of an antibacterial powder preparation: 10-30 parts of auxiliary preparation: 3-5 parts of functional preparation: 3-5 parts.
Preferably: comprises SAN resin: 85-95 parts of regenerated ABS particles: 35-45 parts of an antibacterial granular preparation: 15-25 parts of auxiliary preparation: 3-4 parts of functional preparation: 3-4 parts.
Preferably: comprises SAN resin: 90 parts of regenerated ABS particles: 40 parts, antibacterial granular preparation: 20 parts of auxiliary preparation: 4 parts, functional preparation: 4 parts.
Preferably: the auxiliary preparation comprises an antioxidant: 20% -25%, brightener: 1% -5%, lubricant: 15% -25%, toughening agent: 30% -40%, anti-scratch agent: 10-15 percent of functional preparation, and the functional preparation comprises one or more of ultraviolet absorbent, antistatic agent, coupling agent, lubricant and dispersant.
Preferably: the brightening agent is one or more of polyethylene wax, high-melting-point wax and a graft copolymer of a high molecular substance and wax; the lubricant is any one or more of fatty acid and metal soap, ester and amide thereof; the toughening agent is maleic anhydride grafted compatilizer.
Preferably: the antioxidant is one or more of 2-6-di-tert-butyl-p-cresol, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid octadecyl ester, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, 1,1,3-tris (2-methyl-4 carboxy-5-tert-butylphenyl) butane, 1,2,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-carboxybenzyl) benzene.
Preferably: the anti-scratching agent is one or more of polymethyl methacrylate, an ultrahigh molecular weight siloxane polymer, an inorganic mineral and erucamide.
Preferably: the antibacterial powder preparation is one or more of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent; the antibacterial powder preparation is silver, copper, zinc powder or one or more of chitin, mustard, castor oil, horseradish powder or chitin, mustard, castor oil and horseradish.
A preparation method of antibacterial ABS plastic particles comprises the following steps:
s1: pretreating regenerated ABS particles to remove impurities;
s2: drying, namely drying the SAN resin and the regenerated ABS particles for 3-5h by utilizing flowing hot air at the temperature of 80-120 ℃;
s3: melting and stirring, namely putting the SAN resin and the ABS particles into a reaction kettle for heating and melting, and adding other raw materials for stirring to fully mix the SAN resin and the ABS particles;
s4: and (3) granulating, namely inputting the melted raw materials into a double-screw extruder, cutting and granulating at an outlet of the extruder, and then cooling and drying.
Preferably: in S1, the pretreatment of the regenerated ABS particles comprises the following steps:
s1: cleaning, namely putting the regenerated ABS material into a stirrer, adding cleaning solution and clear water, and stirring and cleaning;
s2: drying, namely drying the cleaned ABS material by utilizing hot air;
s3: crushing, namely putting the dried ABS material into a crusher to be crushed to obtain usable regenerated ABS particles.
The beneficial effects of the invention are as follows:
1. according to the invention, the regenerated ABS material is added into the regenerated raw material, so that part of the raw material in the finished product is replaced by the regenerated ABS, the introduction of new material is saved, and the cost is reduced.
2. The invention cleans the regenerated ABS particles, can remove impurities attached to the surface, and thus prevents impurities from being doped during subsequent remelting recovery, thereby improving the purity of the finished product and increasing the quality.
3. According to the invention, ABS particles and SAN resin are pulverized, then are melted and stirred, and other raw materials are added, so that the mixing uniformity can be increased, the phase uniformity of the prepared product is ensured, and the quality is further improved.
Drawings
FIG. 1 is a schematic flow chart of a preparation method of antibacterial ABS plastic particles provided by the invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.
Example 1:
an antibacterial ABS plastic particle comprises: SAN resin: 80-100 parts of regenerated ABS particles: 30-50 parts of an antibacterial powder preparation: 10-30 parts of auxiliary preparation: 3-5 parts of functional preparation: 3-5 parts.
The auxiliary preparation comprises an antioxidant: 20% -25%, brightener: 1% -5%, lubricant: 15% -25%, toughening agent: 30% -40%, anti-scratch agent: 10 to 15 percent.
The functional agent comprises one or more of ultraviolet absorbent, antistatic agent, coupling agent, lubricant and dispersant.
The antioxidant is one or more of 2-6-di-tert-butyl-p-cresol, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid octadecyl ester, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, 1,1,3-tris (2-methyl-4 carboxy-5-tert-butylphenyl) butane, 1,2,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-carboxybenzyl) benzene.
The brightening agent is one or more of polyethylene wax, high-melting point wax and a graft copolymer of a high molecular substance and wax.
The lubricant is any one or more of fatty acid and metal soap, ester and amide thereof.
The toughening agent is a maleic anhydride grafted compatilizer.
The anti-scratching agent is one or more of polymethyl methacrylate, ultrahigh molecular weight siloxane polymer, inorganic mineral and erucamide.
The antibacterial powder preparation is one or more of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent.
The antibacterial powder preparation is silver, copper, zinc powder or one or more of chitin, mustard, castor oil, horseradish powder or chitin, mustard, castor oil and horseradish.
Example 2:
an antibacterial ABS plastic particle: comprises SAN resin: 85-95 parts of regenerated ABS particles: 35-45 parts of an antibacterial granular preparation: 15-25 parts of auxiliary preparation: 3-4 parts of functional preparation: 3-4 parts.
The auxiliary preparation comprises an antioxidant: 20% -25%, brightener: 1% -5%, lubricant: 15% -25%, toughening agent: 30% -40%, anti-scratch agent: 10 to 15 percent.
The functional agent comprises one or more of ultraviolet absorbent, antistatic agent, coupling agent, lubricant and dispersant.
The antioxidant is one or more of 2-6-di-tert-butyl-p-cresol, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid octadecyl ester, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, 1,1,3-tris (2-methyl-4-carboxy-5-tert-butylphenyl) butane, 1,2,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-carboxybenzyl) benzene.
The brightening agent is one or more of polyethylene wax, high-melting-point wax and a graft copolymer of a high molecular substance and wax.
The lubricant is any one or more of fatty acid and metal soap, ester and amide thereof.
The toughening agent is a maleic anhydride grafted compatilizer.
The anti-scratching agent is one or more of polymethyl methacrylate, ultrahigh molecular weight siloxane polymer, inorganic mineral and erucamide.
The antibacterial powder preparation is one or more of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent.
The antibacterial powder preparation is silver, copper, zinc powder or one or more of chitin, mustard, castor oil, horseradish powder or chitin, mustard, castor oil and horseradish.
Example 3:
an antibacterial ABS plastic particle: comprises SAN resin: 90 parts of regenerated ABS particles: 40 parts, antibacterial granular preparation: 20 parts of auxiliary preparation: 4 parts, functional preparation: 4 parts.
The auxiliary preparation comprises an antioxidant: 20% -25%, brightener: 1% -5%, lubricant: 15% -25%, toughening agent: 30% -40%, scratch-resistant agent: 10 to 15 percent.
The functional agent comprises one or more of ultraviolet absorbent, antistatic agent, coupling agent, lubricant and dispersant.
The antioxidant is one or more of 2-6-di-tert-butyl-p-cresol, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid octadecyl ester, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, 1,1,3-tris (2-methyl-4 carboxy-5-tert-butylphenyl) butane, 1,2,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-carboxybenzyl) benzene.
The brightening agent is one or more of polyethylene wax, high-melting point wax and a graft copolymer of a high molecular substance and wax.
The lubricant is any one or more of fatty acid and metal soap, ester and amide thereof.
The toughening agent is a maleic anhydride grafted compatilizer.
The anti-scratching agent is one or more of polymethyl methacrylate, ultrahigh molecular weight siloxane polymer, inorganic mineral and erucamide.
The antibacterial powder preparation is one or more of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent.
The antibacterial powder preparation is silver, copper, zinc powder or one or more of chitin, mustard, castor oil, horseradish powder or chitin, mustard, castor oil and horseradish.
According to the invention, the regenerated ABS material is added into the regenerated raw material, so that part of the raw material in the finished product is replaced by the regenerated ABS, the introduction of new material is saved, and the cost is reduced.
Example 4:
a preparation method of antibacterial ABS plastic particles comprises the following steps:
s1: pretreating regenerated ABS particles to remove impurities;
s2: drying, namely drying the SAN resin and the regenerated ABS particles for 3-5h by utilizing flowing hot air at the temperature of 80-120 ℃;
s3: melting and stirring, namely putting the SAN resin and the ABS particles into a reaction kettle for heating and melting, and adding other raw materials for stirring to fully mix the SAN resin and the ABS particles;
s4: and (3) granulating, namely inputting the melted raw materials into a double-screw extruder, cutting and granulating at an outlet of the extruder, and then cooling and drying.
In S1, the pretreatment of the regenerated ABS particles comprises the following steps:
s1: cleaning, namely putting the regenerated ABS material into a stirrer, adding cleaning solution and clear water, and stirring and cleaning;
s2: drying, namely drying the cleaned ABS material by utilizing hot air;
s3: crushing, namely putting the dried ABS material into a crusher to be crushed to obtain usable regenerated ABS particles.
According to the invention, the regenerated ABS particles are cleaned, so that impurities attached to the surface can be removed, and the impurities are prevented from being doped in the subsequent remelting recovery process, thereby improving the purity of the finished product and increasing the quality.
In addition, the ABS particles and the SAN resin are crushed, melted and stirred, and other raw materials are added, so that the mixing uniformity is improved, the phase uniformity of the prepared product is ensured, and the quality is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. An antibacterial ABS plastic particle is characterized by comprising SAN resin: 80-100 parts of regenerated ABS particles: 30-50 parts of an antibacterial powder preparation: 10-30 parts of auxiliary preparation: 3-5 parts of functional preparation: 3-5 parts.
2. The antibacterial ABS plastic particle as claimed in claim 1, which comprises SAN resin: 85-95 parts of regenerated ABS particles: 35-45 parts of an antibacterial granular preparation: 15-25 parts of auxiliary preparation: 3-4 parts of functional preparation: 3-4 parts.
3. The antibacterial ABS plastic particle as claimed in claim 1, which comprises SAN resin: 90 parts of regenerated ABS particles: 40 parts, antibacterial granular preparation: 20 parts, auxiliary preparation: 4 parts, functional preparation: 4 parts.
4. The antibacterial ABS plastic particle according to any of claims 1-3, wherein the auxiliary agent comprises an antioxidant: 20% -25%, brightener: 1% -5%, lubricant: 15% -25%, toughening agent: 30% -40%, anti-scratch agent: 10-15 percent of functional preparation, and the functional preparation comprises one or more of ultraviolet absorbent, antistatic agent, coupling agent, lubricant and dispersant.
5. The antibacterial ABS plastic granules according to claim 4, wherein the brightening agent is one or more of polyethylene wax, high melting point wax, and graft copolymer of high molecular substance and wax; the lubricant is any one or more of fatty acid and metal soap, ester and amide thereof; the toughening agent is maleic anhydride grafted compatilizer.
6. The antibacterial ABS plastic particles as claimed in claim 4, wherein the antioxidant is one or more of 2-6-di-tert-butyl-p-cresol, octadecyl beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionate, beta- (3,5-di-tert-butyl-4-carboxyphenyl) propionic acid, 1,1,3-tris (2-methyl-4 carboxy-5-tert-butylphenyl) butane, 1,2,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-carboxybenzyl) benzene.
7. The antibacterial ABS plastic granules according to claim 4, wherein the anti-scratch agent is one or more of polymethyl methacrylate, ultra-high molecular weight siloxane polymer, inorganic mineral and erucamide.
8. The antibacterial ABS plastic granules according to claim 4, wherein the antibacterial powder preparation is one or more of an inorganic antibacterial agent, an organic antibacterial agent and a natural antibacterial agent; the antibacterial powder preparation is silver, copper, zinc powder or one or more of chitin, mustard, castor oil, horseradish powder or chitin, mustard, castor oil, and horseradish.
9. The preparation method of the antibacterial ABS plastic particles is characterized by comprising the following steps:
s1: pretreating regenerated ABS particles to remove impurities;
s2: drying, namely drying the SAN resin and the regenerated ABS particles for 3-5h by utilizing flowing hot air at the temperature of 80-120 ℃;
s3: melting and stirring, namely putting the SAN resin and the ABS particles into a reaction kettle for heating and melting, and adding other raw materials for stirring to fully mix the SAN resin and the ABS particles;
s4: and (3) granulating, namely inputting the melted raw materials into a double-screw extruder, cutting and granulating at an outlet of the extruder, and then cooling and drying.
10. The method for preparing antibacterial ABS plastic particles according to claim 9, wherein in S1, the pretreatment of the recycled ABS particles comprises the following steps:
s1: cleaning, namely putting the regenerated ABS material into a stirrer, adding cleaning solution and clear water, and stirring and cleaning;
s2: drying, namely drying the cleaned ABS material by utilizing hot air;
s3: crushing, namely putting the dried ABS material into a crusher to be crushed to obtain usable regenerated ABS particles.
CN202211630472.6A 2022-12-19 2022-12-19 Antibacterial ABS plastic particles and preparation method thereof Withdrawn CN115975306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211630472.6A CN115975306A (en) 2022-12-19 2022-12-19 Antibacterial ABS plastic particles and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211630472.6A CN115975306A (en) 2022-12-19 2022-12-19 Antibacterial ABS plastic particles and preparation method thereof

Publications (1)

Publication Number Publication Date
CN115975306A true CN115975306A (en) 2023-04-18

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Country Status (1)

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Application publication date: 20230418