CN105906913A - Flame-retardant antibacterial antistatic polyethylene plastic for packaging and preparation method thereof - Google Patents
Flame-retardant antibacterial antistatic polyethylene plastic for packaging and preparation method thereof Download PDFInfo
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- CN105906913A CN105906913A CN201610404642.7A CN201610404642A CN105906913A CN 105906913 A CN105906913 A CN 105906913A CN 201610404642 A CN201610404642 A CN 201610404642A CN 105906913 A CN105906913 A CN 105906913A
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/04—Antistatic
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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Abstract
The invention provides flame-retardant antibacterial antistatic polyethylene plastic for packaging. The plastic is prepared from, by weight, 70-90 parts of polyethylene, 10-20 parts of flame retardant, 1-3 parts of antistatic agent, 3-6 parts of antibacterial agent, 10-15 parts of nanometer silicon nitride, 10-18 parts of starch, 3-7 parts of ethylene-vinyl acetate elastomer, 2-5 parts of silane coupling agent, 1-1.5 parts of dispersing agent, 1-1.5 parts of antioxidant and 1-1.5 parts of light stabilizer, wherein the flame retardant is composed of poly(2,6-dibromophenylene ether) and antimonous oxide according to the weight ratio of 1:1, the antistatic agent is composed of polyoxyethylene fatty acid ester and fatty acid phthalimide according to the weight ratio of 2:1, and the antibacterial agent is composed of silver doped titania and crystalline-state ZnO according to the weight ratio of 3:1. The flame-retardant level of the polyethylene plastic reaches the UL94-0 standard; the antibacterial rate for staphylococcus aureus and the antibacterial rate for escherichia coli are both 99% or above, the surface resistance reaches 1010-1011 omega.m, and the polyethylene plastic is quite excellent flame-retardant antibacterial antistatic polyethylene plastic.
Description
Technical field
The invention belongs to packaging plastic applications, be specifically related to a kind of packaging flame-proof antibiotic Antistatic type vinyon and preparation method thereof.
Background technology
Polyethylene (PE) is current production rate and the general plastic of consumption maximum, is all widely used at all fields of national economy.But owing to polyethylene is combustible material, many application scenarios need it to have anti-flammability.Traditional flame-proof polyethylene is to use brominated flame-retardant and antimony containing compounds, but, bromide can produce toxic gas during burning, and antimony oxide powder is toxic, causes negative effect to health and environment.Therefore RoHS Directive and WEEE instruction are required in the product such as household electrical appliances, electronic information to contain bromide and antimonide.So for meeting RoHS Directive and the requirement of WEEE instruction, the green halogen-free flameproof of exploitation is the task of top priority.Therefore becoming the focus of global concern along with the problem of environment pollution and health, the fire-retardant of polyethylene is also faced with the challenge changed to " green ".
It addition, plastic is widely used in the every aspect of people's life, such as packing, handle official business household, part of appliance etc., but existing major part plastic lacks anti-microbial property, life-time service can make a large amount of accumulation of bacteria, endangers human health.People utilize silver to carry out antibacterial having a long history, especially with the development of modern technologies, nanotechnology is the most ripe, and nano-Ag particles has the most excellent anti-microbial property, nanometer silver is merged in daily material, improves the research field that the anti-microbial property of material becomes emerging.
Furthermore, owing to PE plastic electrical insulation is good, using and in transportation, once it is squeezed and rubbing action, easily produce and accumulation electrostatic, and static discharge can cause fire or blast, therefore, preparation can anlistatig vinyon material, eliminate one of important directions that electrostatic hazard is also the research of packaging vinyon.
Summary of the invention
The technical problem to be solved is to provide a kind of vinyon simultaneously having fire-retardant, antistatic and anti-microbial property concurrently and preparation method thereof.
For solving the problems referred to above, the technical solution used in the present invention is:
A kind of packaging flame-proof antibiotic Antistatic type vinyon, mark meter by weight, prepared by the raw material of following component: polyethylene 70-90 part, fire retardant 10-20 part, antistatic additive 1-3 part, antibacterial 3-6 part, nano-silicon nitride 10-15 part, starch 10-18 part, ethylene-vinyl acetate elastomer 3-7 part, silane coupler 2-5 part, dispersant 1-1.5 part, antioxidant 1-1.5 part, light stabilizer 1-1.5 part；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
As preferably, mark meter by weight, prepared by the raw material of following component: polyethylene 75-85 part, fire retardant 12-18 part, antistatic additive 1.5-2.5 part, antibacterial 4-5 part, nano-silicon nitride 11-13 part, starch 12-16 part, ethylene-vinyl acetate elastomer 4-6 part, silane coupler 3-4 part, dispersant 1.1-1.3 part, antioxidant 1.1-1.3 part, light stabilizer 1.1-1.3 part.
Wherein, described silane coupler is one or more in γ-glycidoxypropyl trimethoxy siloxanes, KH-570, VTES, vinyl trimethoxy Ethoxysilane.
Described dispersant is one or more in Tissuemat E, EVA wax, OP wax, TAS-2A dispersant, ethylene bis stearic amide (EBS)；Described antioxidant is Butylated hydroxyanisole；Described light stabilizer is hindered amine light stabilizer.
It addition, present invention also offers the preparation method of this flame-proof antibiotic Antistatic type vinyon, specifically include following steps:
(1) nano-silicon nitride and silane coupler are weighed by weight ratio, add mix homogeneously in super mixer, temperature is 100 DEG C-120 DEG C, incorporation time is 10-30 minute, the nano-silicon nitride that surface is handled well must be arrived, it is subsequently adding polyethylene, fire retardant, antistatic additive, antibacterial, starch, ethylene-vinyl acetate elastomer, dispersant, antioxidant and the light stabilizer weighed by weight ratio, at a temperature of 100 DEG C-120 DEG C, continues mixing 15-20 minute；
(2) the above-mentioned material mixed is added in time double screw extruder extrusion, cooling, pelletize, is dried, obtain flame-proof antibiotic Antistatic type vinyon.
Wherein, the preheating temperature in described double-screw extruder screw region is 200-300 DEG C, and screw speed is 250-400r/min.
The beneficial effects of the present invention is:
(1) present invention uses poly-2,6-dibromo phenylene ether and the organic-inorganic composite flame retardants of antimony oxide, on the one hand fire retardant can be made the most compatible with polyethylene, on the other hand, both synergism, have reached the most excellent flame retardant effect, and fire-retardant rank reaches UL94-0 standard.
(2) present invention uses the complex antimicrobials mixing silver titanium dioxide with crystalline state ZnO, its effect is significantly better than the performance of single antibacterial, through test, the present invention has the vinyon packaging product of antibacterial functions, to staphylococcus aureus, colibacillary antibiotic rate all more than 99%.
(3) present invention uses the sheet resistance of the vinyon prepared by composite antistatic agent of polyoxyethylene fatty acid fat and fatty acid phthalein amine to reach 1010-1011Ω m, antistatic effect is the most excellent.
(4) present invention use blending and modifying mode, through double-screw extruding pelletizing method prepare vinyon, its hot strength is 14.5-16.8MPa, percentage elongation is 380%-4500%, and Izod notched impact strength is 36-39 KJ/m2, oxygen index (OI) is more than 36, simultaneously while being added in and keep good impact flexibility of nano-silicon nitride, moreover it is possible to substantially put forward hot strength；Additionally, the present invention uses ethylene-vinyl acetate elastomer coating modification, melt extrudes prilling process, enhances the compatibility making inorganic nano-particle in polymeric matrix, make the inorganic nano ion uniformly dispersed in polymeric matrix, it is to avoid the agglomeration caused due to nano effect.
Detailed description of the invention
Below in conjunction with embodiment, technical scheme is further elaborated:
Embodiment 1
A kind of packaging flame-proof antibiotic Antistatic type vinyon, mark meter by weight, prepared by the raw material of following component: polyethylene 80 parts, fire retardant 15 parts, 2 parts of antistatic additive, antibacterial 4 parts, nano-silicon nitride 13 parts, starch 14 parts, 5 parts of ethylene-vinyl acetate elastomer, γ-glycidoxypropyl trimethoxy siloxanes 3 parts, Tissuemat E 1.3 parts, Butylated hydroxyanisole 1.3 parts, hindered amine light stabilizer 1.3 parts；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Embodiment 2
A kind of packaging flame-proof antibiotic Antistatic type vinyon, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 70 parts, fire retardant 10 parts, 1 part of antistatic additive, antibacterial 3 parts, nano-silicon nitride 10 parts, starch 10 parts, 3 parts of ethylene-vinyl acetate elastomer, KH-570 2 parts, 1 part of EVA wax, Butylated hydroxyanisole 1 part, hindered amine light stabilizer 1 part；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Embodiment 3
A kind of packaging flame-proof antibiotic Antistatic type vinyon, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 90 parts, fire retardant 20 parts, 3 parts of antistatic additive, antibacterial 6 parts, nano-silicon nitride 15 parts, starch 18 parts, 7 parts of ethylene-vinyl acetate elastomer, VTES 5 parts, 1.5 parts of OP wax, Butylated hydroxyanisole 1.5 parts, hindered amine light stabilizer 1.5 parts；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Embodiment 4
A kind of packaging flame-proof antibiotic Antistatic type vinyon, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 75 parts, fire retardant 13 parts, 2 parts of antistatic additive, antibacterial 4 parts, nano-silicon nitride 11 parts, starch 13 parts, 4 parts of ethylene-vinyl acetate elastomer, vinyl trimethoxy Ethoxysilane 3 parts, ethylene bis stearic amide 1.1 parts, Butylated hydroxyanisole 1.1 parts, hindered amine light stabilizer 1.1 parts；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Embodiment 5
A kind of packaging flame-proof antibiotic Antistatic type vinyon, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 85 parts, fire retardant 18 parts, 2 parts of antistatic additive, antibacterial 5 parts, nano-silicon nitride 14 parts, starch 16 parts, 6 parts of ethylene-vinyl acetate elastomer, γ-glycidoxypropyl trimethoxy siloxanes 4 parts, TAS-2A dispersant 1.4 parts, Butylated hydroxyanisole 1.4 parts, hindered amine light stabilizer 1.4 parts；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Embodiment 6
A kind of packaging flame-proof antibiotic Antistatic type vinyon, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 82 parts, fire retardant 15 parts, 1 part of antistatic additive, antibacterial 6 parts, nano-silicon nitride 12 parts, starch 17 parts, 4 parts of ethylene-vinyl acetate elastomer, VTES 4 parts, poly-second ethylene bis stearic amide 1.4 parts, Butylated hydroxyanisole 1.4 parts, hindered amine light stabilizer 1.2 parts；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Described in embodiment 1-6, packaging flame-proof antibiotic Antistatic type vinyon is as follows:
(1) nano-silicon nitride and silane coupler are weighed by weight ratio, add mix homogeneously in super mixer, temperature is 110 DEG C, incorporation time is 20 minutes, the nano-silicon nitride that surface is handled well must be arrived, it is subsequently adding polyethylene, fire retardant, antistatic additive, antibacterial, starch, ethylene-vinyl acetate elastomer, dispersant, antioxidant and the light stabilizer weighed by weight ratio, at a temperature of 110 DEG C, continues mixing 18 minutes；
(2) the above-mentioned material mixed is added in time double screw extruder extrusion, cooling, pelletize, is dried, obtain flame-proof antibiotic Antistatic type vinyon；Wherein, the preheating temperature in described double-screw extruder screw region is 250 DEG C, and screw speed is 320r/min.
Above a kind of packaging flame-proof antibiotic Antistatic type vinyon that the invention enforcement is provided and preparation method thereof is described in detail, for one of ordinary skill in the art, thought according to the invention embodiment, the most all will change, in sum, this specification content should not be construed as the restriction to the invention.
Claims (8)
1. a packaging flame-proof antibiotic Antistatic type vinyon, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 70-90 part, fire retardant 10-20 part, antistatic additive 1-3 part, antibacterial 3-6 part, nano-silicon nitride 10-15 part, starch 10-18 part, ethylene-vinyl acetate elastomer 3-7 part, silane coupler 2-5 part, dispersant 1-1.5 part, antioxidant 1-1.5 part, light stabilizer 1-1.5 part；Wherein, described fire retardant is by poly-2,6-dibromo phenylene ether and antimony oxide form by weight 1:1, and described antistatic additive is made up of by weight 2:1 polyoxyethylene fatty acid fat and fatty acid phthalein amine, and described antibacterial forms by weight 3:1 with crystalline state ZnO for mixing silver titanium dioxide.
Flame-proof antibiotic Antistatic type vinyon the most according to claim 1, it is characterised in that mark meter by weight, prepared by the raw material of following component: polyethylene 75-85 part, fire retardant 12-18 part, antistatic additive 1.5-2.5 part, antibacterial 4-5 part, nano-silicon nitride 11-13 part, starch 12-16 part, ethylene-vinyl acetate elastomer 4-6 part, silane coupler 3-4 part, dispersant 1.1-1.3 part, antioxidant 1.1-1.3 part, light stabilizer 1.1-1.3 part.
Flame-proof antibiotic Antistatic type vinyon the most according to claim 1, it is characterized in that, described silane coupler is one or more in γ-glycidoxypropyl trimethoxy siloxanes, KH-570, VTES, vinyl trimethoxy Ethoxysilane.
Flame-proof antibiotic Antistatic type vinyon the most according to claim 1, it is characterised in that described dispersant is one or more in Tissuemat E, EVA wax, OP wax, TAS-2A dispersant, ethylene bis stearic amide (EBS).
Flame-proof antibiotic Antistatic type vinyon the most according to claim 1, it is characterised in that described antioxidant is Butylated hydroxyanisole.
Flame-proof antibiotic Antistatic type vinyon the most according to claim 1, it is characterised in that described light stabilizer is hindered amine light stabilizer.
7. the preparation method of flame-proof antibiotic Antistatic type vinyon described in an any one of claim 1-6, it is characterised in that comprise the steps:
(1) nano-silicon nitride and silane coupler are weighed by weight ratio, add mix homogeneously in super mixer, temperature is 100 DEG C-120 DEG C, incorporation time is 10-30 minute, the nano-silicon nitride that surface is handled well must be arrived, it is subsequently adding polyethylene, fire retardant, antistatic additive, antibacterial, starch, ethylene-vinyl acetate elastomer, dispersant, antioxidant and the light stabilizer weighed by weight ratio, at a temperature of 100 DEG C-120 DEG C, continues mixing 15-20 minute；
(2) the above-mentioned material mixed is added in time double screw extruder extrusion, cooling, pelletize, is dried, obtain flame-proof antibiotic Antistatic type vinyon.
Method the most according to claim 8, it is characterised in that the preheating temperature in described double-screw extruder screw region is 200-300 DEG C, screw speed is 250-400r/min.
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| CN201610404642.7A CN105906913A (en) | 2016-06-12 | 2016-06-12 | Flame-retardant antibacterial antistatic polyethylene plastic for packaging and preparation method thereof |
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| CN201610404642.7A CN105906913A (en) | 2016-06-12 | 2016-06-12 | Flame-retardant antibacterial antistatic polyethylene plastic for packaging and preparation method thereof |
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| CN106589426A (en) * | 2016-12-23 | 2017-04-26 | 绵阳市长信电线电缆有限公司 | Irradiation crosslinking cable and preparation method thereof |
| CN108676233A (en) * | 2018-05-28 | 2018-10-19 | 安徽顺彤包装材料有限公司 | A kind of wear resistant polyethylene plastic package material and preparation method thereof |
| CN112011113A (en) * | 2020-03-23 | 2020-12-01 | 桐城市东风塑胶有限责任公司 | Plastic flame-retardant film |
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