CN113004667A - Complex plastic product and production process thereof - Google Patents
Complex plastic product and production process thereof Download PDFInfo
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- CN113004667A CN113004667A CN202110315399.2A CN202110315399A CN113004667A CN 113004667 A CN113004667 A CN 113004667A CN 202110315399 A CN202110315399 A CN 202110315399A CN 113004667 A CN113004667 A CN 113004667A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The application relates to the technical field of plastic production, and particularly discloses a complex plastic product and a production process thereof, wherein the complex plastic product comprises the following components in parts by weight: 100 parts of plastic resin composite material, 1.5-1.7 parts of antioxidant, 1.3-1.5 parts of ultraviolet absorbent, 0.7-0.9 part of quencher, 5-7 parts of glass fiber and 4-7 parts of activated glass beads; the preparation method comprises the following steps: the method comprises the following steps: s1, stirring and mixing the plastic resin composite material, the antioxidant, the ultraviolet absorbent, the quenching agent, the glass fiber, the activated glass beads and the cetyl trimethyl silver ammonium bromide according to a set proportion to obtain a mixed material; s2, collecting the mixed material obtained in the step S1, placing the mixed material into a double-screw extruder, collecting extruded material, processing and forming, standing and cooling to room temperature to obtain the complex plastic product. The complex plastic product has the advantages of better ultraviolet resistance and mechanical property.
Description
Technical Field
The application relates to the technical field of plastic production, in particular to a complex plastic product and a production process thereof.
Background
Plastic is one of the most important materials at present, and plastic molding processing is an engineering technology, which refers to a process of making various forms of plastic raw materials and additives into products or blanks in a required shape through related molding equipment under certain process conditions. The plastic molding process includes many processes, such as injection molding, extrusion molding, compression molding, blow molding, blister molding, thermoforming, rotational molding, calendering, pouring, foaming, slush molding, transfer molding, and hand lay-up molding.
Injection molding, also known as injection molding, is a method of rapidly injecting molten plastic into a mold using an injection machine and curing to obtain various plastic products. Almost all thermoplastics (except fluoroplastics) can be used with this method, and can also be used for the formation of certain thermosets. The injection molding accounts for about 30 percent of the production of the plastic part, and has the advantages of capability of molding complex parts with shapes at one time, accurate size, high productivity and the like; however, the equipment and the die have higher cost and are mainly used for producing large-batch plastic parts.
With the rapid development of science and technology, various industries have more and more demands on complex plastic products. Some industries need complex plastic products with better mechanical property and durability, but the related complex plastics can age, discolor, crack, become brittle or chalky under the action of atmosphere, sunlight and oxygen, and lose the mechanical property.
Disclosure of Invention
In order to improve the ultraviolet resistance and the mechanical property of a complex plastic product, the application provides the complex plastic product and a production process thereof.
In a first aspect, the present application provides a complex plastic product, which adopts the following technical scheme:
a complex plastic product comprises the following components in parts by weight: 100 parts of plastic resin composite material, 1.5-1.7 parts of antioxidant, 1.3-1.5 parts of ultraviolet absorbent, 0.7-0.9 part of quencher, 5-7 parts of glass fiber and 4-7 parts of activated glass beads.
By adopting the technical scheme, the plastic resin composite material has better mechanical property and heat resistance. The antioxidant has high antioxidant effect, has strong protective effect on the plastic resin composite material, can effectively inhibit the aging induced by factors such as light, heat, oxygen and the like, delays the aging speed of complex plastic products, and prolongs the service life of the products; the ultraviolet absorbent effectively reduces the damage of ultraviolet rays to plastic products, has long-acting anti-oxidation and anti-yellowing effects, has high-quality synergistic effect with the antioxidant, and can improve the weather resistance and the thermal oxidation stability of the products; the quencher rapidly and efficiently quenches excited molecules (singlet oxygen and triplet substances) of the plastic product by intermolecular energy transfer, so that the excited molecules are converted into thermal energy or into fluorescence or phosphorescence, and the radiation is dissipated back to the ground state. The glass fiber is in a scattered shape and has fiber characteristics, and the glass fiber has high strength and can improve the tensile strength of complex plastic products; although the mechanical properties of the plastic products can be greatly improved by the glass fiber, the addition of the glass fiber also causes the problems of poor flowability, exposed glass fiber, high shrinkage rate, serious post-warping, difficult processing and the like of the complex plastic products. The glass beads are added to greatly improve the problems, and because the surfaces of the glass beads are smooth and stress concentration in an interface and a matrix is not caused, the glass beads are used for filling a plastic resin composite material, so that the exposure of glass fibers can be improved, the surface smoothness of a plastic product is improved, the flowing property is improved, the processing is convenient, the shrinkage deformation rate is reduced, the phenomenon of warping after the product is overcome, the heat resistance temperature, the wear resistance and the scratch resistance of the product are improved, and the complex plastic product with light weight and excellent mechanical property can be prepared.
Preferably, the complex plastic product further comprises the following components in parts by weight: 0.1-0.5 part of hexadecyl trimethyl silver ammonium bromide.
By adopting the technical scheme, the hexadecyl trimethyl silver ammonium bromide is quaternary ammonium salt with anions; silver ions are positively charged, microorganisms are generally negatively charged, the silver ions and the microorganisms attract each other under the action of coulomb attraction, when a certain amount of anions with certain concentration are accumulated on the surfaces of the microorganisms, the anions can effectively break down cell walls of the microorganisms and permeate into the cells of the microorganisms to react with sulfydryl of proteins, so that the proteins of the microorganisms are solidified, and protease is inactivated, so that the cells of the microorganisms lose division and reproduction capacity, and meanwhile, the silver ions also have extremely high reduction potential, so that atomic oxygen can be generated in the surrounding space to greatly improve the antibacterial effect; the quaternary ammonium salt gradually enters cells through the combination of anions on the surfaces of the microorganisms, cell membranes are damaged, the contents of the cells are discharged, and the cells are killed, so that the propagation of the microorganisms is inhibited. The hexadecyl trimethyl silver ammonium bromide is added into the plastic resin composite material, so that the prepared complex plastic product has better antibacterial property, and the application range of the complex plastic product is expanded.
Preferably, the activated glass beads are prepared by the following method: silane coupling agent with the total mass of 1% of glass beads is mixed with absolute ethyl alcohol 1: 1, diluting, putting weighed glass beads into a prepared diluent of a silane coupling agent and absolute ethyl alcohol, stirring for 10min, then placing the glass beads subjected to activation treatment at a ventilation position, and preparing the activated glass beads for later use after the absolute ethyl alcohol is completely volatilized.
By adopting the technical scheme, the glass beads are inorganic materials, so that the surface energy of the glass beads is greatly different from that of the plastic resin composite material, and the glass beads are required to be subjected to surface treatment in order to improve the interface compatibility. The activated glass beads can be uniformly distributed in the whole system of the plastic product, so that the phenomenon of aggregation and agglomeration is reduced, stress concentration is reduced, and the glass beads have a roll shaft function under the action of external force in a melt by virtue of small spherical surfaces with smooth surfaces, so that the flow property can be improved, the surface of the product becomes smooth and fine, and the phenomenon of fiber floating exposure is improved; the hard surface of the glass beads enables the surface wear-resistant material of the product to be more compact and have better wear resistance; due to the anisotropy of the glass fiber, the plastic product modified by the glass fiber has a post-warping phenomenon, the glass microspheres of the small spheres have isotropy, the anisotropy effect of the glass fiber can be reduced, the anisotropy effect of the glass fiber can be further reduced along with the increase of the proportion of the glass microspheres, and the post-warping phenomenon can be overcome to the maximum extent.
Preferably, the silane coupling agent includes any one of vinyltriethoxysilane and vinyltrimethoxysilane.
By adopting the technical scheme, the coupling agent can effectively modify the surfaces of the glass beads, and can improve the dispersion performance of the glass beads in the plastic resin composite material, so that the glass beads are dispersed more uniformly and connected more closely in a material system, and the mechanical property of the material is improved.
Preferably, the plastic resin composite material comprises the following components in parts by weight: 52.8 parts of polybutylene terephthalate, 7.2 parts of bisphenol A polycarbonate, 33 parts of alumina, 10 parts of butynediol diethoxy ether and 1 part of triphenyl phosphite.
By adopting the technical scheme, the polybutylene terephthalate and bisphenol A polycarbonate blend is adopted as the matrix, the aluminum oxide is the heat-conducting filler, and triphenyl phosphite is adopted as the ester exchange reaction inhibitor to adjust the phase structure of the resin matrix in the material, so that the phase structure of the system tends to form a bicontinuous phase structure, the heat conductivity coefficient of the material is effectively improved, and the distribution of the aluminum oxide filler is more uniform, thereby the plastic resin composite material prepared by the resin has better mechanical property and high temperature resistance. The butynediol diethoxy ether is used as a flame retardant, the flame retardant property of the plastic resin composite material can be improved when the butynediol diethoxy ether is added into a system, and the unexpected discovery that the butynediol diethoxy ether can improve the mechanical property of a plastic product is possible because the butynediol diethoxy ether can improve the crystallinity of a blending system of polybutylene terephthalate and bisphenol A polycarbonate, and further the breaking strength of the plastic product in the application is improved.
Preferably, the modified plastic resin is prepared by the following method:
(1) taking polybutylene terephthalate and bisphenol A polycarbonate according to a set proportion, and drying for 4 hours at 100 ℃ under a vacuum condition;
(2) putting alumina, butynediol diethoxy ether and triphenyl phosphite into the dried polybutylene terephthalate and bisphenol A polycarbonate for premixing according to a set proportion to obtain a mixture;
(3) and (3) collecting and melting the mixture in the step (2), and then extruding and granulating to obtain the plastic resin composite material.
By adopting the technical scheme, the plastic resin composite material is prepared by adopting a melt blending method, so that all components in the plastic resin composite material can be uniformly distributed in the whole system, all components can synergistically generate effects, the preparation method is simple, and the ageing resistance, heat resistance and mechanical properties of the plastic resin composite material are improved.
Preferably, the antioxidant comprises any one of tea polyphenol, butyl hydroxyanisole, dibutyl hydroxytoluene, tert-butyl hydroquinone and 1,1' -thiobis (2-naphthol).
By adopting the technical scheme, the high-efficiency multifunctional antioxidant can comprehensively improve the oxidation resistance of the plastic product, and meanwhile, the antioxidant can also play a synergistic effect with the ultraviolet absorbent and the quencher, so that the ultraviolet resistance and the ageing resistance of the plastic product are enhanced.
Preferably, the ultraviolet absorber includes any one of 2-hydroxybenzophenone, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone and phenyl o-hydroxybenzoate.
By adopting the technical scheme, the molecular structure of the novel ultraviolet absorbent contains an o-hydroxyphenyl group, a hydrogen bond ring can be formed in a molecule, when the molecule absorbs ultraviolet rays and is excited, proton transfer occurs, the molecule has a high conjugated structure and can form a resonance stable state, the molecule in an electronic excited state is converted into a vibration excited ground state through energy, and the original state is deactivated and recovered in a heat release form by utilizing the heat conduction performance of a plastic product.
Preferably, the quencher comprises any one of divalent nickel EDTA complex and 2, 2' -thiobis (4-tert-octylphenoloxy) nickel.
By adopting the technical scheme, the quenching agent can effectively quench excited carbonyl and singlet oxygen, and capture free radicals, so that molecules return to a ground state.
In a second aspect, the present application provides a production process of a complex plastic product, which adopts the following technical scheme:
a production process of a complex plastic product comprises the following steps:
s1, stirring and mixing the plastic resin composite material, the antioxidant, the ultraviolet absorbent, the quenching agent, the activated glass beads and the cetyl trimethyl silver ammonium bromide according to a set proportion to obtain a mixed material;
s2, collecting the mixed material obtained in the step S1, placing the mixed material into a double-screw extruder, collecting extruded material, processing and forming, standing and cooling to room temperature to obtain the complex plastic product.
By adopting the technical scheme, the mixing materials are extruded by the double-screw extruder, and the extruded materials are processed and formed, so that the whole scheme is simple in steps and convenient to operate, complex processes or large-scale equipment are not needed, the labor cost is effectively saved, and the production efficiency is improved.
1. According to the application, through optimizing the proportion, the components have a mutual synergistic effect, the ultraviolet absorbent and the quencher are used together to generate a synergistic effect on the ultraviolet resistance of the plastic product, and the antioxidant has an enhancement effect on the synergistic effect of the ultraviolet absorbent and the quencher.
2. The glass fiber can greatly improve the mechanical property of the plastic product, the addition of the glass beads can improve the processing difficulty of the plastic product caused by the addition of the glass fiber, and the glass beads can further improve the mechanical property of the plastic product.
3. The preparation method adopts a polybutylene terephthalate and bisphenol A polycarbonate blend as a matrix, aluminum oxide as a heat-conducting filler, and triphenyl phosphite as an ester exchange reaction inhibitor to adjust the phase structure of a resin matrix in the material, so that the phase structure of the system tends to form a bicontinuous phase structure, the heat conductivity coefficient of the material is effectively improved, and the distribution of the aluminum oxide filler is more uniform, so that the plastic resin composite material prepared from the resin has better mechanical property and high temperature resistance.
3. According to the method, the mixed materials are extruded through the double-screw extruder, and the extruded materials are processed and formed, so that the steps of the whole scheme are simple, the operation is convenient and fast, complex processes or large-scale equipment are not needed, the labor cost is effectively saved, and the production efficiency is improved.
Drawings
Fig. 1 is a flow chart of a method provided herein.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
The raw materials in the application are all purchased from the market.
The silane coupling agent includes any one of vinyltriethoxysilane and vinyltrimethoxysilane, and triethoxysilane is preferable in this application. The antioxidant comprises any one of tea polyphenol, butyl hydroxy anisole, dibutyl hydroxy toluene, tert-butyl hydroquinone and 1,1 '-thiobis (2-naphthol), and 1,1' -thiobis (2-naphthol) is preferred in the present application. The ultraviolet absorber includes any one of 2-hydroxybenzophenone, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone and phenyl o-hydroxybenzoate, and in the present application, 2, 4-dihydroxybenzophenone is preferable. The quencher comprises any one of divalent nickel EDTA complex and 2, 2' -thiobis (4-tert-octylphenoloxy) nickel, and divalent nickel EDTA complex is preferable in the present application.
Preparation examples of raw materials
Preparation example 1
The plastic resin composite material is prepared from the following components in parts by weight: 52.8 parts of polybutylene terephthalate, 7.2 parts of bisphenol A polycarbonate, 33 parts of alumina, 10 parts of butynediol diethoxy ether and 1 part of triphenyl phosphite.
The modified plastic resin is prepared by the following method:
(1) taking polybutylene terephthalate and bisphenol A polycarbonate according to a set proportion, and drying for 6 hours at 120 ℃ under a vacuum condition;
(2) putting alumina, butynediol diethoxy ether and triphenyl phosphite into the dried polybutylene terephthalate and bisphenol A polycarbonate for premixing according to a set proportion to obtain a mixture;
(3) and (3) collecting the mixture obtained in the step (2), placing the mixture into a double-screw extruder for melting, controlling the temperature of the double-screw extruder from a feeding port and a machine head to be 145 ℃ and 165 ℃, controlling the screw rotation speed to be 120rpm, and extruding and granulating to obtain the plastic resin composite material.
Preparation example 2
The activated glass beads are prepared by the following method: and (3) adding triethoxysilane accounting for 1% of the total mass of the glass beads into the mixture of absolute ethyl alcohol 1: 1, diluting, putting weighed glass beads into a prepared diluent of a silane coupling agent and absolute ethyl alcohol, stirring for 10min, then placing the glass beads subjected to activation treatment at a ventilation position, and preparing the activated glass beads for later use after the absolute ethyl alcohol is completely volatilized.
Examples
Example 1
A complex plastic product is prepared from the following components in parts by weight: 100 parts of plastic resin composite material, 1.5 parts of 1,1' -thiobis (2-naphthol), 1.3 parts of 2, 4-dihydroxy benzophenone, 0.7 part of divalent nickel EDTA complex, 5 parts of glass fiber, 4 parts of activated glass microsphere and 0.1 part of hexadecyl trimethyl silver ammonium bromide.
The production process of the complex plastic product comprises the following steps:
s1, stirring and mixing the plastic resin composite material, the antioxidant, the ultraviolet absorbent, the quenching agent, the glass fiber, the activated glass beads and the cetyl trimethyl silver ammonium bromide according to a set proportion to obtain a mixed material;
s2, collecting the mixed material obtained in the step S1, placing the mixed material into a double-screw extruder, controlling the temperature of the double-screw extruder from a feeding port and a machine head to be 175 ℃ and 265 ℃, controlling the rotating speed of a screw to be 140rpm, collecting the extruded material, cooling the extruded material to 50 ℃, performing injection molding through a mold, standing and cooling to room temperature, and thus obtaining the complex plastic product.
Example 2
A complex plastic product is prepared from the following components in parts by weight: 100 parts of plastic resin composite material, 1.7 parts of 1,1' -thiobis (2-naphthol), 1.5 parts of 2, 4-dihydroxy benzophenone, 0.9 part of divalent nickel EDTA complex, 7 parts of glass fiber, 7 parts of activated glass microsphere and 0.5 part of hexadecyl trimethyl silver ammonium bromide.
The production process of the complex plastic product is the same as that of example 1.
Example 3
A complex plastic product is prepared from the following components in parts by weight: 100 parts of plastic resin composite material, 1.6 parts of 1,1' -thiobis (2-naphthol), 1.4 parts of 2, 4-dihydroxy benzophenone, 0.8 part of divalent nickel EDTA complex, 6 parts of glass fiber, 5.5 parts of activated glass microsphere and 0.3 part of hexadecyl trimethyl silver ammonium bromide.
The production process of the complex plastic product is the same as that of example 1.
Example 4
A complex plastic product is prepared from the following components in parts by weight: 100 parts of plastic resin composite material, 1.6 parts of 1,1' -thiobis (2-naphthol), 1.4 parts of 2, 4-dihydroxy benzophenone, 0.8 part of divalent nickel EDTA complex, 6 parts of glass fiber, 5.5 parts of activated glass microsphere and 0.1 part of hexadecyl trimethyl silver ammonium bromide.
The production process of the complex plastic product is the same as that of example 1.
Example 5
A complex plastic product is prepared from the following components in parts by weight: 100 parts of plastic resin composite material, 1.6 parts of 1,1' -thiobis (2-naphthol), 1.4 parts of 2, 4-dihydroxy benzophenone, 0.8 part of divalent nickel EDTA complex, 5.5 parts of activated glass beads and 0.3 part of hexadecyl trimethyl silver ammonium bromide.
The production process of the complex plastic product is the same as that of example 1.
Example 6
A complex plastic product is prepared from the following components in parts by weight: 100 parts of plastic resin composite material, 1.6 parts of 1,1' -thiobis (2-naphthol), 1.4 parts of 2, 4-dihydroxy benzophenone, 0.8 part of divalent nickel EDTA complex, 5.5 parts of activated glass beads and 0.5 part of hexadecyl trimethyl silver ammonium bromide.
The production process of the complex plastic product is the same as that of example 1.
Comparative example
Comparative example 1
This comparative example differs from example 3 in that: the plastic resin composite material is replaced by polybutylene terephthalate, and the rest materials are kept consistent.
Comparative example 2
This comparative example differs from example 3 in that: the plastic resin composite material was replaced with bisphenol a type polycarbonate, and the rest was kept in agreement.
Comparative example 3
This comparative example differs from example 3 in that: activated glass beads were not added and the rest remained consistent.
Comparative example 4
This comparative example differs from example 3 in that: adding common glass beads, and keeping the balance consistent.
Comparative example 5
This comparative example differs from example 3 in that: triphenyl phosphite is not added into the plastic resin composite material, and the rest is kept consistent.
Comparative example 6
This comparative example differs from example 3 in that: 1,1' -thiobis (2-naphthol) is not added to the plastic product, and the rest is kept consistent.
Comparative example 7
This comparative example differs from example 3 in that: 2, 4-dihydroxy benzophenone is not added into the plastic product, and the rest is kept consistent.
Comparative example 8
This comparative example differs from example 3 in that: the divalent nickel EDTA complex was not added to the plastic article and the rest remained consistent.
Performance test
Respectively carrying out performance tests on examples 1-6 and comparative examples 1-8, and testing the interfacial thermal conductivity coefficient of a sample by using a NETZSCH-LFA467 type laser thermal conductivity instrument, wherein the testing temperature is 25 ℃; detecting the vertical burning grade of the sample according to GB-2408-; the tensile strength is tested according to the GB/T1040.2-2006 standard, a CMT6104 microcomputer control electronic universal tester is used, the tensile rate is 5mm/min, and the gauge length is 50 mm; the unnotched impact strength is carried out according to the GB/T1043.1-2008 standard, a XIZ-50 cantilever beam impact tester is used, and the maximum impact energy of the pendulum bob is 5J; judging the mildew-proof grade of the plastic product by adopting a testing method for the mildew-proof grade of antibacterial mildew-proof plastic (1999), wherein the mildew-proof grade is 0, 1, 2 and 3, and the highest mildew-proof grade is 0; the UV resistance of example 3 and comparative examples 6-8 was tested according to open carbon arc lamp GB/T16422.4-1996 Plastic laboratory light Exposure test method part 4, the results of which are shown in Table 1.
TABLE 1 Performance test tables for examples 1-6 and comparative examples 1-8
From examples 1-6, it can be seen that cetyl trimethyl silver ammonium bromide in the present application can effectively improve the antibacterial property of plastic products, and meanwhile, cetyl trimethyl silver ammonium bromide as heterogeneous crystal nucleus can allow the modified plastic resin to crystallize in advance, thereby improving the mechanical property of complex plastic products.
It can be seen from example 3 and comparative examples 1, 2, 5 that the advantages of polybutylene terephthalate and bisphenol a polycarbonate in the present application can be complemented with each other, and a plastic resin composite material with excellent aging resistance and comprehensive mechanical properties can be obtained, but due to the existence of ester exchange reaction, the comprehensive mechanical properties of the plastic resin composite material without adding triphenyl phosphite are unstable, the compatibility between polybutylene terephthalate and bisphenol a polycarbonate can be changed by adding triphenyl phosphite, and with the change of the compatibility, the phase structure between polybutylene terephthalate and bisphenol a polycarbonate can be changed from an approximately homogeneous phase system to a bicontinuous phase structure, and further the distribution and the effect of each component in the whole system of the plastic resin composite material can be changed, so that the properties of a complex plastic product can be changed accordingly.
By combining the example 3 and the comparative examples 3 and 4, and combining the table 1, it can be seen that the mechanical property and the heat resistance of the activated glass beads are greatly improved compared with those of the common glass beads added into the system, which indicates that the activated glass beads in the application are greatly helpful for improving the mechanical property and the heat resistance of the complex plastic products.
In combination with example 3 and comparative examples 6 to 8, 2-hydroxybenzophenone and a divalent nickel EDTA complex in the present application produced a synergistic effect against ultraviolet rays when used together, and 1,1' -thiobis (2-naphthol) had an enhanced effect on its synergistic effect.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The complex plastic product is characterized by comprising the following components in parts by weight: 100 parts of plastic resin composite material, 1.5-1.7 parts of antioxidant, 1.3-1.5 parts of ultraviolet absorbent, 0.7-0.9 part of quencher, 5-7 parts of glass fiber and 4-7 parts of activated glass beads.
2. A complex plastic article according to claim 1, wherein: the complex plastic product also comprises the following components in parts by weight: 0.1-0.5 part of hexadecyl trimethyl silver ammonium bromide.
3. A complex plastic article according to claim 1, wherein: the activated glass bead is prepared by the following method: silane coupling agent with the total mass of 1% of glass beads is mixed with absolute ethyl alcohol 1: 1, diluting, putting weighed glass beads into a prepared diluent of a silane coupling agent and absolute ethyl alcohol, stirring for 10min, then placing the glass beads subjected to activation treatment at a ventilation position, and preparing the activated glass beads for later use after the absolute ethyl alcohol is completely volatilized.
4. A complex plastic article according to claim 3, wherein: the silane coupling agent comprises any one of vinyltriethoxysilane and vinyltrimethoxysilane.
5. A complex plastic article according to claim 1, wherein: the plastic resin composite material comprises the following components in parts by weight: 52.8 parts of polybutylene terephthalate, 7.2 parts of bisphenol A polycarbonate, 33 parts of alumina, 10 parts of butynediol diethoxy ether and 1 part of triphenyl phosphite.
6. A complex plastic article according to claim 5, wherein: the modified plastic resin is prepared by the following method:
(1) taking polybutylene terephthalate and bisphenol A polycarbonate according to a set proportion, and drying for 4 hours at 100 ℃ under a vacuum condition;
(2) putting alumina, butynediol diethoxy ether and triphenyl phosphite into the dried polybutylene terephthalate and bisphenol A polycarbonate for premixing according to a set proportion to obtain a mixture;
(3) and (3) collecting and melting the mixture in the step (2), and then extruding and granulating to obtain the plastic resin composite material.
7. A complex plastic article according to claim 1, wherein: the antioxidant comprises any one of tea polyphenol, butyl hydroxy anisol, dibutyl hydroxy toluene, tert-butyl hydroquinone and 1,1' -thiobis (2-naphthol).
8. A complex plastic article according to claim 1, wherein: the ultraviolet absorbent comprises any one of 2-hydroxybenzophenone, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone and phenyl o-hydroxybenzoate.
9. A complex plastic article according to claim 1, wherein: the quenching agent comprises any one of divalent nickel EDTA complex and 2, 2' -thiobis (4-tert-octylphenoloxy) nickel.
10. A process for the production of a complex plastic article according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, stirring and mixing the plastic resin composite material, the antioxidant, the ultraviolet absorbent, the quenching agent, the glass fiber, the activated glass beads and the cetyl trimethyl silver ammonium bromide according to a set proportion to obtain a mixed material;
s2, collecting the mixed material obtained in the step S1, placing the mixed material into a double-screw extruder, collecting extruded material, processing and forming, standing and cooling to room temperature to obtain the complex plastic product.
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| CN114031917A (en) * | 2021-11-12 | 2022-02-11 | 金发科技股份有限公司 | Low-warpage good-appearance PC material and preparation method and application thereof |
| CN115011084A (en) * | 2022-07-15 | 2022-09-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | High-toughness heat-resistant flame-retardant PC/PBT alloy material and preparation method thereof |
| CN116144110A (en) * | 2023-02-16 | 2023-05-23 | 北京天罡助剂有限责任公司 | Antibacterial and antiviral plastic film and preparation method and application thereof |
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| CN105420841A (en) * | 2016-01-09 | 2016-03-23 | 浙江恒百华化纤有限公司 | Pre-orientated polyester filament yarn and manufacturing method thereof |
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| CN115011084A (en) * | 2022-07-15 | 2022-09-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | High-toughness heat-resistant flame-retardant PC/PBT alloy material and preparation method thereof |
| CN116144110A (en) * | 2023-02-16 | 2023-05-23 | 北京天罡助剂有限责任公司 | Antibacterial and antiviral plastic film and preparation method and application thereof |
| CN116144110B (en) * | 2023-02-16 | 2024-03-19 | 北京天罡助剂有限责任公司 | Antibacterial and antiviral plastic film and preparation method and application thereof |
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