CN113845745B - ABS modified plastic for cosmetic bottle caps and preparation method thereof - Google Patents
ABS modified plastic for cosmetic bottle caps and preparation method thereof Download PDFInfo
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- CN113845745B CN113845745B CN202111266238.5A CN202111266238A CN113845745B CN 113845745 B CN113845745 B CN 113845745B CN 202111266238 A CN202111266238 A CN 202111266238A CN 113845745 B CN113845745 B CN 113845745B
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
Abstract
The application relates to the field of plastics, in particular to an ABS modified plastic for a cosmetic bottle cap and a preparation method thereof. The ABS modified plastic for the cosmetic bottle cap comprises the following raw materials in parts by weight: 30-35 parts of ABS particles, 20-30 parts of wood pulp cellulose, 2-5 parts of benzoic acid, 20-35 parts of cyanate ester resin and 1-2 parts of antibacterial herbal extract. The synergistic effect of the antibacterial herbal extract in the plastic particles and the cyanate ester resin reduces the precipitation speed of the antibacterial herbal extract in the cosmetic bottle cap, so that the antibacterial effect and the antibacterial durability of the cosmetic bottle cap are improved, the heat resistance of the cyanate ester resin is improved, and the deformation possibility of the cosmetic bottle cap is reduced. The raw materials are mixed together and the microsphere is prepared, so that the cosmetic bottle cap has antibacterial property and heat resistance, and the microsphere has a lasting antibacterial effect.
Description
Technical Field
The application relates to the field of plastics, in particular to an ABS modified plastic for a cosmetic bottle cap and a preparation method thereof.
Background
Cosmetics are used for the preparation of human bodies for beautifying, retaining or changing the appearance of the human bodies, and are stored in bottles for isolating external temperature or external bacteria.
The bottle opening part of the cosmetic is contacted with the outside, in order to reduce the influence of the outside environment on the cosmetic, the bottle cover of the cosmetic is arranged at the bottle opening part of the cosmetic, the bottle cover of the cosmetic seals the bottle of the cosmetic, and the organic antibacterial agent is added into the bottle cover of the cosmetic, so that the bottle cover of the cosmetic has antibacterial property, and the bottle cover of the cosmetic can kill bacteria stained on the surface of the bottle cover of the cosmetic or inhibit the propagation of the bacteria, so that the cosmetic is further protected from being polluted by the outside bacteria.
In view of the above related art, since the organic antibacterial agent is easily decomposed, the antibacterial effect of the cosmetic bottle cap is short when the cosmetic bottle cap kills bacteria or inhibits bacteria from propagating, and the long-term protective effect of the cosmetic bottle cap cannot be achieved.
Disclosure of Invention
In order to increase the antibacterial action time of the bottle cap of the cosmetic and increase the protection aging of the cosmetic, the application provides an ABS modified plastic for the bottle cap of the cosmetic and a preparation method thereof.
In a first aspect, the application provides an ABS modified plastic for a cosmetic bottle cap, which adopts the following technical scheme: the ABS modified plastic for the cosmetic bottle cap comprises the following raw materials in parts by weight:
30-35 parts of ABS particles;
20-30 parts of wood pulp cellulose;
2-5 parts of benzoic acid;
20-35 parts of cyanate resin;
1-2 parts of an antibacterial herbal extract.
By adopting the technical scheme, after the plastic particles are prepared into the cosmetic bottle cap, when the cosmetic bottle cap is used, bacteria are stained on the surface of the cosmetic bottle cap, and the antibacterial herbal plant extract in the cosmetic bottle cap has an antibacterial effect, so that bacteria can be sterilized or inhibited from propagating, and the surface of the cosmetic bottle cap is not easy to stain the bacteria. Because the antibacterial herbal plant extract is nontoxic, when the cosmetic bottle cap is used for sealing the cosmetics in the cosmetic bottle, the influence of the cosmetic bottle cap on the cosmetics is reduced, and the harm to human bodies is further reduced.
The cyanate resin in the plastic particles is a netlike polymer, so that the cohesiveness of the raw materials in the plastic particles is improved, and the cohesiveness between the antibacterial herbal extract and the plastic materials taking the ABS particles as the base materials in the raw materials is improved, so that the possibility of rapid precipitation of the antibacterial herbal extract is reduced. Furthermore, during the production of the cosmetic bottle cap, the antibacterial herbal extract is not easy to separate out, the content of the antibacterial herbal extract in the whole cosmetic bottle cap is higher, the antibacterial effect is good, and the cosmetic bottle cap is not easy to be oxidized and discolored by bacteria. When the cosmetic bottle cap is used, the antibacterial herbal plant extract is not easy to separate out rapidly, so that the antibacterial durability of the cosmetic bottle cap is improved.
Because the cyanate resin has good heat resistance, the plastic particles containing the cyanate resin reduce the possibility of deformation of the prepared cosmetic bottle cap during high-temperature sterilization, further increase the tightness of the cosmetic bottle cap and reduce the influence on the use of the cosmetic bottle cap.
In summary, due to the synergistic effect of the antibacterial herbal extract and the cyanate ester resin, the precipitation speed of the antibacterial herbal extract in the cosmetic bottle cap is reduced, so that the antibacterial effect and the antibacterial durability of the cosmetic bottle cap are improved, and the cosmetic bottle cap is not easy to oxidize and discolor. Meanwhile, the antibacterial herbal plant extract is nontoxic, so that the harm of the cosmetic bottle cap to human bodies is reduced; the heat resistance of the cyanate ester resin reduces the possibility of deformation of the cosmetic bottle cap during high-temperature sterilization.
Optionally, the antibacterial herbal extract is a tulip extract.
By adopting the technical scheme, the aroma and pigment contained in the tulip extract can increase the aroma and color of the cosmetic bottle cap.
Optionally, the cyanate resin is bisphenol a type cyanate resin.
By adopting the technical scheme, the bisphenol A type cyanate resin has excellent heat resistance after being cured, and the bisphenol A type cyanate resin has simple synthesis process and cheap raw materials, so the scheme of selecting bisphenol A type cyanate resin for the cyanate resin is better.
Optionally, the antibacterial herbal extract and the cyanate ester resin have microsphere structures, and the antibacterial herbal extract is embedded in the cyanate ester resin.
By adopting the technical scheme, the antibacterial herbal extract is embedded in the cyanate resin, and the cyanate resin is bonded with the cyanate resin, so that the antibacterial herbal extract is reduced in the possibility of rapid precipitation of the antibacterial herbal extract during the production of the cosmetic bottle cap, the content of the tulip extract in the whole cosmetic bottle cap is improved, and the antibacterial effect and the antibacterial durability of the cosmetic bottle cap are improved.
Optionally, the preparation method of the microsphere adopts a spray drying method, and the preparation steps of the microsphere are as follows:
s1: and (3) dissolving cyanate resin in a cosolvent, dissolving the antibacterial herbal plant extract in the cyanate resin solution to obtain a solution, putting the solution into a pressure atomizer, atomizing and drying to form microspheres.
By adopting the technical scheme, the microsphere prepared by the spray drying method has uniform particle size, the cosolvent is easy to remove in the preparation process, the influence of the cosolvent on cosmetics is reduced, other substances are doped in the microsphere, and the influence of other substances on the antibacterial and heat-resistant effects of the cosmetic bottle cap is reduced.
Optionally, the cosolvent is 15-30 parts of ethanol.
By adopting the technical scheme, the raw materials of the microspheres can be dissolved in the ethanol, the raw materials in the microspheres do not react with the ethanol, and when the microspheres are prepared, the ethanol is easy to volatilize, so that the possibility of doping the raw materials in the microspheres is reduced, and the influence on the antibacterial and heat-resistant effects of the microspheres is further reduced.
In a second aspect, the application provides a preparation method of the ABS modified plastic for the cosmetic bottle cap, which adopts the following technical scheme:
a preparation method of ABS modified plastic for cosmetic bottle caps comprises the following steps:
y1: ABS plastic, wood pulp cellulose, benzoic acid, cyanate ester resin and antibacterial herbal extract are mixed according to a certain proportion, and the raw materials are uniformly stirred to obtain a mixed material;
and Y2, feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain plastic particles.
By adopting the technical scheme, when the cosmetic bottle cap prepared by the plastic particles is sterilized at high temperature, the heat resistance of the cyanate resin reduces the deformation of the plastic, and further reduces the deformation possibility of the cosmetic bottle cap. After the cosmetic bottle cap is used, the synergistic effect of the antibacterial herbal extract and the heat resistance of the cyanate resin increases the integral content of the antibacterial herbal extract in the cosmetic bottle cap, so that the antibacterial effect and the antibacterial durability of the cosmetic bottle cap are increased, and the possibility of oxidative discoloration of the cosmetic bottle cap is reduced.
In a third aspect, the present application provides a preparation method of the ABS modified plastics for cosmetic bottle caps, which adopts the following technical scheme:
a preparation method of ABS modified plastic for cosmetic bottle caps comprises the following steps:
z1: mixing ABS plastic, wood pulp cellulose, benzoic acid and microspheres according to a proportion, and uniformly stirring to obtain a mixed material; and Z2, feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain plastic particles.
By adopting the technical scheme, in the process of preparation of the plastic particles, the microsphere structure reduces the possibility of rapid precipitation of the antibacterial herbal plant extract, increases the integral content of the tulip in the cosmetic bottle cap, further increases the antibacterial effect and the antibacterial durability of the cosmetic bottle cap, and reduces the possibility of oxidative discoloration of the cosmetic bottle cap. The cyanate resin has heat resistance, so that the cosmetic bottle has heat resistance, the possibility of deformation of the cosmetic bottle cap is reduced when the cosmetic bottle cap is sterilized at high temperature, and the sealing effect of the cosmetic bottle cap is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by designing the plastic particles and adding the antibacterial herbal extract and the cyanate ester resin, the precipitation speed of the antibacterial herbal extract in the cosmetic bottle cap is reduced due to the synergistic effect of the antibacterial herbal extract and the cyanate ester resin, so that the antibacterial effect and the antibacterial durability of the cosmetic bottle cap are improved; the heat resistance of the cyanate resin reduces the possibility of deformation of the cosmetic bottle cap during high-temperature sterilization, thereby increasing the sealing effect of the cosmetic bottle cap;
2. after the cosmetic bottle cap prepared by plastic particles is used, the synergistic effect of the antibacterial herbal extract and the cyanate ester resin is achieved, the integral content of the antibacterial herbal extract in the cosmetic bottle cap is increased, and the antibacterial effect and the antibacterial durability of the cosmetic bottle cap are further improved;
3. by designing the method for preparing plastic particles by the microspheres, the microsphere structure reduces the possibility of rapid precipitation of the antibacterial herbal extract in the preparation process of the plastic particles, increases the integral content of tulips in the cosmetic bottle cap, and further increases the antibacterial effect and the antibacterial durability of the cosmetic bottle cap.
Detailed Description
Raw material source
Benzoic acid from Guangzhou City Jiaxin chemical engineering Co., ltd
Bisphenol A type cyanate ester is from the company of Zibozifengcheng wetting chemical Co., ltd
Example 1
The ABS modified plastic for the cosmetic bottle cap comprises the following raw materials in parts by weight:
30kg of ABS particles;
20kg of wood pulp cellulose;
benzoic acid 2kg;
20kg of bisphenol A type cyanate resin;
tulip extract 1kg.
The tulip extract extraction steps are as follows:
t1: drying tulip, pulverizing the dried tulip, reflux-extracting the pulverized product with 75% (15L) ethanol solution with volume of 9 times for three times, mixing the extractive solutions, and concentrating the combined extractive solutions to obtain concentrated solution I;
t2: extracting the concentrated solution obtained in T1 with 2 times of petroleum ether (5L) for 5 times, standing for layering, removing petroleum ether layer, retaining water layer I, extracting water layer with 2 times of ethyl acetate (5L) for 5 times, standing for layering, removing ethyl acetate layer, and retaining water layer II;
t3: extracting water layer II obtained in T2 with 5 times volume of n-butanol (5L) for 5 times, standing for layering, retaining n-butanol layer, concentrating n-butanol layer solution to obtain concentrated solution II, drying concentrated solution II at 65deg.C to obtain n-butanol extract, which is tulip extract.
The preparation method of the ABS plastic for the cosmetic bottle cap provided in the embodiment 1 is as follows:
y1: mixing ABS particles, wood pulp cellulose, benzoic acid, bisphenol A type cyanate ester resin and tulip extract according to a proportion, uniformly stirring, wherein the stirring speed is 300r/min, and the stirring time is 8min to obtain a mixed material;
y2: and (3) feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain plastic particles.
Examples 2 to 5
An ABS modified plastic for cosmetic bottle caps is different from example 1 in the amount of raw materials.
The amounts of the raw materials used in examples 1 to 5 are shown in Table 1.
TABLE 1 raw material amounts for examples 1-5
Example 6
Unlike example 5, the ABS modified plastic for cosmetic bottle caps was prepared from dicyclopentadiene bisphenol type cyanogen ester resin in an amount of 28.5kg.
Example 7
Unlike example 5, the ABS modified plastic for cosmetic bottle caps was 1.49kg of aloe vera extract as the antibacterial herbal extract.
Example 8
The ABS modified plastic for cosmetic bottle caps, unlike example 1, was prepared by the following steps:
the preparation method of the microsphere structure comprises the following steps:
s1: bisphenol A type cyanate resin is dissolved in 15kg of 60% ethanol, and tulip extract is dissolved in the bisphenol A type cyanate resin to obtain a solution, and the solution is put into a pressure atomizer, atomized and dried to form microspheres.
The tulip extract and the bisphenol A type cyanate ester resin are both soluble in ethanol, the tulip extract and the bisphenol A type cyanate ester are both insoluble in ethanol, and the cosolvent is selected from organic ethanol.
The preparation method of the ABS plastic for the cosmetic bottle cap provided in the embodiment 8 is as follows:
z1: mixing ABS particles, wood pulp cellulose, benzoic acid and microspheres according to a proportion, uniformly stirring at a stirring speed of 300r/min for 8min to obtain a mixed material;
z2: and (3) feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain plastic particles.
Examples 9 to 10
An ABS modified plastic for cosmetic bottle caps was different from example 8 in the amount of raw materials.
The amounts of the raw materials used in examples 9 to 10 are shown in Table 1.
TABLE 2 raw material amounts for examples 8-10
Comparative example
Comparative example 1
An ABS modified plastic for cosmetic bottle caps and a method for preparing the same are different from example 5 in that bisphenol a type cyanate ester resin is not contained in the raw material.
The preparation method comprises the following steps:
y1: mixing ABS particles, wood pulp cellulose, benzoic acid and tulip extract according to a certain proportion, stirring uniformly at a stirring speed of 300r/min for 8min to obtain a mixed material;
and Y2, feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain the material for the cosmetic bottle cap.
Comparative example 2
An ABS modified plastic for cosmetic bottle caps and a method for preparing the same are different from example 5 in that tulip extract is not contained in the raw material.
The preparation method comprises the following steps:
y1: mixing ABS particles, wood pulp cellulose, benzoic acid and modified bisphenol A type cyanate ester resin according to a proportion, uniformly stirring at a stirring speed of 300r/min for 8min to obtain a mixed material;
and Y2, feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain the material for the cosmetic bottle cap.
Comparative example 3
An ABS modified plastic for cosmetic bottle caps and a method for preparing the same are different from example 5 in that tulip extract in raw materials is replaced with silver ion antibacterial agent.
The silver ion antibacterial agent needs to use calcium carbonate as a carrier and then is embedded in cyanate resin to form microspheres.
The preparation method comprises the following steps:
y1: mixing ABS particles, wood pulp cellulose, benzoic acid and microspheres according to a proportion, uniformly stirring at a stirring speed of 300r/min for 8min to obtain a mixed material;
and Y2, feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain the material for the cosmetic bottle cap.
Comparative example 4
An ABS modified plastic for cosmetic bottle caps and a method for preparing the same are different from example 5 in that tulip extract in raw materials is replaced with nitrophenol.
The nitrophenol is embedded in the cyanate ester resin to form microspheres.
The preparation method comprises the following steps:
y1: mixing ABS particles, wood pulp cellulose, benzoic acid and microspheres according to a proportion, uniformly stirring at a stirring speed of 300r/min for 8min to obtain a mixed material;
and Y2, feeding the mixed material into a double screw, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of the screw, so as to obtain the material for the cosmetic bottle cap.
Performance detection
The following performance test was conducted on an ABS modified plastic for cosmetic bottle caps and a preparation method thereof according to examples 1 to 10 of the present application, comparative examples 1 to 4.
A sample of the plastic pellets was taken, the plastic pellets were extruded into a plastic film by an extruder, and then the plastic film was cut into 5cm. Times.5 cm. Times.0.05 cm pieces.
According to the antibacterial property test method of the national plastic standardized plastic particles, escherichia coli ATCC 8379 is selected, and the antibacterial property of the sample is detected.
Each sample to be tested is measured 25 times at different temperatures, the strain A1 of the sample in unit area is detected, under the same condition, the strain A2 of the sample in unit area is detected after the sample is kept stand for 24 hours, the strain elimination amount A3 of the plastic film in unit area is calculated within 24 hours, A3=A1-A1 is calculated, the average value of the bacterial strain number in unit area is calculated, and the test result is expressed as the average value of the bacterial strain number in unit area is eliminated in the sample.
The sample to be tested is sterilized at 85 deg.C, 90 deg.C, 95 deg.C, 100 deg.C and 105 deg.C for 1min.
Detecting the area of the plastic film after high-temperature sterilization, subtracting the area of the plastic film after high-temperature sterilization from the original area of the plastic film to obtain the reduced area after high-temperature sterilization, calculating the average value of the reduced area, and expressing the test result as the average value of the deformed reduced area of the plastic film.
The test results of examples 1 to 10 and comparative examples 1 to 4 are as follows.
TABLE 3 average elimination of Plastic film bacterial Strain count detection data Table per unit area
Table 4 average deformation reduction area detection data table for plastic film
The present application will be described in detail below with reference to the test results provided in tables 3 and 4.
Examples 1 to 5 and comparative example 1 show that the average number of strains per unit area eliminated in examples 1 to 5 is larger than that in comparative example 1, and that examples 1 to 5 have an antibacterial effect larger than that in comparative example 1.
Since examples 1 to 5 contain bisphenol a type cyanate ester resin, which is a network polymer, bisphenol a type cyanate ester resin can bond tulip extract well, and in the process of producing plastic particles, the possibility of rapid precipitation of tulip extract is reduced, and thus the content of tulip extract of the whole plastic particles is increased, the antibacterial property and antibacterial durability of the plastic particles are increased, and the antibacterial property and antibacterial durability of cosmetic bottle caps prepared from the plastic particles are improved.
The plastic films of examples 1-5 have an average deformation reduction area smaller than that of comparative example 1, and the high temperature resistance of examples 1-5 is stronger than that of comparative example 1 under high temperature sterilization. The bisphenol A type cyanate ester resins in examples 1 to 5 have heat resistance, and the plastic film is not easily deformed under high temperature sterilization. The plastic film of comparative example 1 was deformed under high temperature sterilization without bisphenol a type cyanate ester resin contained in comparative example 1.
In summary, the synergistic effect of bisphenol A type cyanate resin and tulip extract in examples 1-5 reduces the possibility of rapid precipitation of tulip extract, and increases the antibacterial property and long-lasting antibacterial property of cosmetic bottle caps. Bisphenol A type cyanate resin has heat resistance, increases the heat resistance of the plastic film, and reduces the possibility of deformation of the plastic film.
Examples 1 to 5 and comparative example 2 show that the average number of strains per unit area eliminated by the plastic films of examples 1 to 5 is significantly larger than that of comparative example 2, and that the antibacterial effect of examples 1 to 5 is larger than that of comparative example 2. The plastic films of examples 1-5 had average deformation reduction areas similar to those of comparative example 2.
Examples 1 to 5 and comparative examples 3 to 4 show that the average number of strains per unit area eliminated by the plastic films of examples 1 to 5 is larger than that of comparative examples 3 to 4, and that the antibacterial effect of examples 1 to 5 is larger than that of comparative examples 3 to 4. The average deformation reduction areas of the plastic films of examples 1 to 5 were similar to those of comparative examples 3 to 4.
In summary, examples 1 to 5 and comparative examples 2 to 4 each contained bisphenol A type cyanate ester resin, and the plastic films had similar average deformation reduction areas and heat resistance effects. The antibacterial agent in examples 1 to 5 was a tulip extract, and the antibacterial agent was not contained in comparative example 2, so that the antibacterial effect of comparative example 2 was smaller than that of examples 1 to 5.
In addition to examples 1-5, there were other experimental groups in the development of the present application, wherein example 5 was a relatively superior group among all experimental groups, and thus was taken out separately.
The effect of the cyanate resin on the heat resistance of the plastic film was examined in example 6. As a result, it was found that the average deformation reduction area of example 6 was larger than that of example 5, the heat resistance of example 6 was smaller than that of example 5, and the bisphenol A type cyanate ester resin contained in example 5 was better than that of example 6.
The effect of an antimicrobial herbal extract on the antimicrobial properties of plastic films was examined in example 7. As a result, it was found that the average number of strains per unit area eliminated in example 7 was smaller than that in example 5, the antibacterial property in example 7 was smaller than that in example 5, the aloe extract in example 7 was viscous, and the mixing uniformity with bisphenol A type cyanate ester resin was smaller than that in example 5, so that precipitation was easy during the preparation of the plastic film, the content of aloe extract in the whole plastic film was reduced, and thus the antibacterial effect in example 7 was smaller.
The effect of the different preparation methods on the antimicrobial and heat resistance of the plastic films was examined in examples 8-10. In addition to examples 8-10, there were additional experimental groups in the development of the present application, wherein example 10 was the relatively preferred group among all experimental groups, and was thus independently removed.
As a result of comparison of example 10 with example 5, it was found that the average strain reduction area in example 10 was similar to that in example 5, the average number of bacterial strains per unit area eliminated in example 10 was similar to that in example 5, the microsphere structure in example 10 reduced the rapid precipitation rate of tulip extract, and the precipitation rate in example 10 was small and the prolonged antibacterial time in example 10 was longer than that in example 5 in the same time.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (3)
1. The ABS modified plastic for the cosmetic bottle cap is characterized by comprising the following raw materials in parts by weight:
35.9 parts of ABS particles;
26.5 parts of wood pulp cellulose;
3.5 parts of benzoic acid;
28.5 parts of bisphenol A type cyanate resin;
1.49 parts of tulip extract;
the tulip extract and the bisphenol A type cyanate resin are of microsphere structures, and the tulip extract is embedded in the bisphenol A type cyanate resin;
the preparation method of the microsphere adopts a spray drying method, and the preparation steps of the microsphere are as follows:
s1: dissolving bisphenol A type cyanate ester resin in a cosolvent, dissolving tulip extract in the bisphenol A type cyanate ester resin solution to obtain a solution, putting the solution into a pressure atomizer, atomizing and drying to form microspheres.
2. The ABS modified plastic for cosmetic bottle caps according to claim 1, wherein: the cosolvent is 15-30 parts of ethanol.
3. A method for preparing the ABS modified plastic for cosmetic bottle caps according to claim 1 or 2, comprising the steps of:
z1: mixing ABS plastic, wood pulp cellulose, benzoic acid and microspheres according to a proportion, and uniformly stirring to obtain a mixed material;
z2: and (3) feeding the mixed material into a double-screw extruder, extruding, granulating and drying the mixed material under the conditions of shearing, mixing and conveying of screws to obtain plastic particles.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121400A (en) * | 1997-07-04 | 1999-01-26 | Otsuka Chem Co Ltd | Antibacterial or antifungal resin composition and its use |
| CN107802725A (en) * | 2017-11-28 | 2018-03-16 | 新疆维吾尔自治区中药民族药研究所 | Flos Tulipae Gesnerianae extract and its extracting method and application |
| CN107998438A (en) * | 2017-12-18 | 2018-05-08 | 广东泰宝医疗科技股份有限公司 | A kind of sustained anti-microbial bearing hydrocolloid dressing and preparation method thereof |
| CN108676317A (en) * | 2018-06-13 | 2018-10-19 | 汪向喜 | A kind of preparation method of the ABS plastic with marble grain and antibacterial functions |
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2021
- 2021-10-28 CN CN202111266238.5A patent/CN113845745B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121400A (en) * | 1997-07-04 | 1999-01-26 | Otsuka Chem Co Ltd | Antibacterial or antifungal resin composition and its use |
| CN107802725A (en) * | 2017-11-28 | 2018-03-16 | 新疆维吾尔自治区中药民族药研究所 | Flos Tulipae Gesnerianae extract and its extracting method and application |
| CN107998438A (en) * | 2017-12-18 | 2018-05-08 | 广东泰宝医疗科技股份有限公司 | A kind of sustained anti-microbial bearing hydrocolloid dressing and preparation method thereof |
| CN108676317A (en) * | 2018-06-13 | 2018-10-19 | 汪向喜 | A kind of preparation method of the ABS plastic with marble grain and antibacterial functions |
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| Title |
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| 邢焰.航天器材料.北京理工大学出版社,2018,448. * |
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