CN109503952A - A kind of high-effect anti-mould degerming plastics - Google Patents
A kind of high-effect anti-mould degerming plastics Download PDFInfo
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- CN109503952A CN109503952A CN201811521004.9A CN201811521004A CN109503952A CN 109503952 A CN109503952 A CN 109503952A CN 201811521004 A CN201811521004 A CN 201811521004A CN 109503952 A CN109503952 A CN 109503952A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
Abstract
The invention discloses a kind of high-effect anti-mould degerming plastics, its raw material includes following components: 100 parts by weight of polypropylene, thermoplastic elastomer (TPE) 10-50 parts by weight, cyclodextrin 10-30 parts by weight, carbon fiber 20-100 parts by weight, the present invention passes through polypropylene, thermoplastic elastomer (TPE), cyclodextrin, the synergistic effect of carbon fiber, so that plastics of the invention are while guaranteeing that plastics have antibacterial and mouldproof effect, even if at low temperature, also intensity and toughness with higher, extend the application field of plastics, material price is reasonable, rich material resources are easy to get, effectively avoid the occurrence of that plastic products are mouldy and top bacteria breed, antibacterial and mouldproof effect is obvious, it ensure that the health of plastic products, toughness is full, it is not easy to brittle rotten under low temperature, extend the service life of plastic products, improving makes Comfort, the application on facilities for transport and communication and electrical equipment is greatly.
Description
Technical field
The present invention relates to plastics arts more particularly to a kind of high-effect anti-mould degerming plastics.
Background technique
Plastics are to contain the additives such as filler, plasticizer, stabilizer, lubricant, colorant based on macromolecule resin
The basic performance of material, plastics depends mainly on the person's character of resin, but additive also plays an important role, and different additives can
Plastics of different nature are prepared, different effects is played, the purposes of plastics is very extensive, almost can be applied to each
Field applies in different environment, containing microorganisms such as different bacteriums in external environment, can also grow on plastic products numerous
It grows, will affect the sanitary condition of plastics, this point is particularly important in medical treatment and field of food, for this reason, it may be necessary to a kind of mould-proof bacteria-removing
Plastics meet the requirement of medical field and field of food, Chinese patent CN201710679066.8 discloses a kind of mould proof modeling
Expect packaging bag and preparation method thereof, plays mould proof effect by adding nano-Ag particles and titanium dioxide nanoparticle in the feed
Fruit, Chinese patent CN201610990487.1 disclose a kind of antibacterial and mouldproof plastic film and preparation method thereof, it passes through smart ammonia
The ingredients such as sour grafted chitosan, Phenoxyethanol, apocynum fibre diamond mountain flour cooperate, so that plastic film improves plastics
The performance of film, zeolite with carrying silver powder can improve antibiotic and sterilizing effect, and both methods all uses metallic silver as antibacterial material, deposits
In following problems: material price is expensive, and has degradation to plastics, is not suitable for a large amount of additions, so antibacterial effect is still
It is to be improved, in addition, the intensity and toughness of general plastics are inadequate, people often through adding fibrous material in the plastic, than
Such as glass fibre, carbon fiber improve the mechanical strengths of plastics, but since interfacial adhesion is poor, and the toughness of plastics is often not
It can be effectively improved, especially under cryogenic, plastic product is easy to become fragile, its service life is reduced, therefore, it is necessary to
A kind of plastics, while guaranteeing that plastics have antibacterial and mouldproof effect, even if at low temperature, it may have higher intensity and tough
Property.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of high-effect anti-mould degerming modeling proposed
Material.
To achieve the goals above, present invention employs following technical solutions:
A kind of high-effect anti-mould degerming plastics, raw material includes following components: 100 parts by weight of polypropylene, thermoplastic elastomer (TPE)
10-50 parts by weight, cyclodextrin 10-30 parts by weight, carbon fiber 20-100 parts by weight.
As a preferred technical solution of the present invention, polyacrylic 23 DEG C of impact strengths are greater than 4kJ/ ㎡, impact
The high polypropylene of intensity can not only improve the toughness of plastics, and also effective to the raising of antibacterial fungicidal properties.
As a preferred technical solution of the present invention, the thermoplastic elastomer (TPE) be polyolefins thermoplastic elastomer or
One of polyester-type thermoplastic elastomer is a variety of, and thermoplastic elastomer (TPE) is generally copolymerized by hard section and soft segment, hard section
Rigidity, polarity and crystallinity make thermoplastic elastomer (TPE) have excellent intensity, high temperature resistant, oil resistivity, creep resistance and solvent resistance
And impact resistance, the low Tg and saturability of soft segment make thermoplastic elastomer (TPE) have excellent lower temperature resistance, low temperature
Toughness and ageing resistance.
As a preferred technical solution of the present invention, the thermoplastic elastomer (TPE) be polyolefins thermoplastic elastomer and
Two kinds in polyester-type thermoplastic elastomer, the compounding of the two can more improve the intensity and toughness of plastics, polyolefins thermoplastic
Elastomer with polyacrylic compatibility more preferably, and the compatibility of polyester-type thermoplastic elastomer and cyclodextrin, carbon fiber
More preferably, so the two and while be used in toughening, can also play the effect of Interfacial compatibilization, and have synergistic effect.
As a preferred technical solution of the present invention, the cyclodextrin be cyclodextrin-polyethylene glycol polymer,
One of cyclodextrin-acrylic acid polymer or cyclodextrin-polymethacrylic acid polymer are a variety of.
As a preferred technical solution of the present invention, the cyclodextrin is cyclodextrin-polyethylene glycol polymer,
Cyclodextrin can improve the mould-proof bacteria-removing ability of plastics of the present invention and improve its toughness, and especially plastics are in low temperature
Under the conditions of toughness, while the interfacial adhesion power of polypropylene and carbon fiber can be improved, cyclodextrin can be further improved
The toughness and mould-proof bacteria-removing ability of plastics.
As a preferred technical solution of the present invention, the molecular weight of the cyclodextrin-polyethylene glycol polymer is 200,000
Hereinafter, processing performance is bad when cyclodextrin-polyethylene glycol polymer molecular weight is greater than 200,000, it is suppressed that toughness and mould proof remove
The raising of bacterium performance.
As a preferred technical solution of the present invention, the raw material further includes porous particle 2-20 weight by weight
Part, the interfacial adhesion in polypropylene and system between other materials is improved using the micropore on porous particle surface.
As a preferred technical solution of the present invention, the porous particle is cyclodextrin-polyether polyols porous
Grain, this substance is more significant to the castering action of interfacial adhesion, and the toughness of itself is preferable.
Beneficial to benefit: in the present invention, polypropylene small, preferable intensity, moulding processability, chemically-resistant with relative density
Drug, electrical insulating property are good, but product cold resistance is poor, low temperature impact strength is low, the high polypropylene of impact strength, not only can be with
Improve the toughness of plastics, and also effective to the raising of antibacterial fungicidal properties, thermoplastic elastomer (TPE) can effectively improve this
Invent the toughness of the high-effect anti-mould degerming plastics, thermoplastic elastomer (TPE) is generally copolymerized by hard section and soft segment, hard section it is rigid
Property, polarity and crystallinity make thermoplastic elastomer (TPE) have excellent intensity, high temperature resistant, oil resistivity, creep resistance and solvent resistance and
Impact resistance, the low Tg and saturability of soft segment make thermoplastic elastomer (TPE) have excellent lower temperature resistance, low temperature tough
Property and ageing resistance, polyolefins thermoplastic elastomer be that the hard section and rubber shape that are prepared are polymerize by alkene and its substituent
At soft chain segment copolymerization be prepared, wherein hard section specific such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, soft chain segment
Specific such as ethylene propylene diene rubber, nitrile rubber, butyl rubber, natural rubber, the compounding of the two can more improve the intensity of plastics
And toughness, polyolefins thermoplastic elastomer with polyacrylic compatibility more preferably, and polyester-type thermoplastic elastomer and cyclodextrin
Polymer, carbon fiber compatibility more preferably, both polyolefins thermoplastic elastomer and polyester-type thermoplastic elastomer are simultaneously used in
While toughening, the effect of Interfacial compatibilization can also being played, and there is synergistic effect, porous particle refers to the outside of particle and interior
The solid small particles substance of multiple micropores is contained in portion, improves other objects in polypropylene and system using the micropore on porous particle surface
Interfacial adhesion between matter.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment one
By 100 parts by weight of polypropylene, 10 parts by weight of thermoplastic elastomer (TPE), 10 parts by weight of cyclodextrin and porous particle
2 parts by weight are put into heating melting in mixer and are blended, this substance of porous particle is more aobvious to the castering action of interfacial adhesion
It writes, and the toughness of itself is preferable, polyacrylic 23 DEG C of impact strengths are greater than 4kJ/ ㎡, and the high polypropylene of impact strength not only may be used
To improve the toughness of plastics, and it is also effective to the raising of antibacterial fungicidal properties, and thermoplastic elastomer (TPE) is polyolefins thermoplastic
Property elastomer, thermoplastic elastomer (TPE) are generally copolymerized by hard section and soft segment, and rigidity, polarity and the crystallinity of hard section make thermoplasticity
Elastomer has excellent intensity, high temperature resistant, oil resistivity, creep resistance and solvent resistance and impact resistance, the reduced TG of soft segment
Temperature and saturability make thermoplastic elastomer (TPE) have excellent lower temperature resistance, low-temperature flexibility and ageing resistance, cyclodextrin polymerization
Object is cyclodextrin-polyethylene glycol polymer, and cyclodextrin can improve the mould-proof bacteria-removing ability of plastics of the present invention and mention
The toughness of high its toughness, especially plastics under cryogenic, while the interfacial adhesion power of polypropylene and carbon fiber can be improved,
Cyclodextrin can be further improved the toughness and mould-proof bacteria-removing ability of plastics, cyclodextrin-polyethylene glycol polymer molecule
Amount is for 200,000 hereinafter, when cyclodextrin-polyethylene glycol polymer molecular weight is greater than 200,000, and processing performance is bad, it is suppressed that toughness
With the raising of mould-proof bacteria-removing performance, porous particle is cyclodextrin-polyether polyols porous particle, utilizes porous particle surface
Micropore improves the interfacial adhesion in polypropylene and system between other materials, above-mentioned mixed being added to 20 parts by weight of carbon fiber
It closes in liquid and is uniformly mixed, cooling and dicing is dry, is molded into plastics of the invention in a mold, modeling of the present invention can be enhanced in carbon fiber
The intensity of material, and carbon fiber itself, also with the ability of certain mould-proof bacteria-removing, polypropylene is the thermoplastic obtained by propylene polymerization
Property resin, be one of five big resins for universal use, polypropylene has small relative density, preferable intensity, moulding processability, chemically-resistant
Drug, electrical insulating property are good, but product cold resistance is poor, low temperature impact strength is low, and thermoplastic elastomer (TPE) refers to can mould under high temperature
Chemical conversion type, shows as elastomeric a kind of material under room temperature, such as polyolefins, polyesters, polyurethanes, it is polyamide-based, have
Machine fluoropolymer class, organosilicon polymer analog thermoplastic elastomer etc., thermoplastic elastomer (TPE) can effectively improve institute of the present invention
The toughness of high-effect anti-mould degerming plastics is stated, polyolefins thermoplastic elastomer is prepared by alkene and its substituent polymerization
The soft chain segment copolymerization that hard section and rubber are formed is prepared, and wherein hard section is specifically such as polyethylene, polypropylene, polystyrene, polychlorostyrene
Ethylene etc., soft chain segment specific such as ethylene propylene diene rubber, nitrile rubber, butyl rubber, natural rubber, cyclodextrin is amylose
A series of cyclic oligosaccharides and its copolymer generated under the cyclodextrin glycosyltransferase effect generated by bacillus
Or blend, cyclodextrin molecular have the hollow cylinder three-dimensional ring structure tapered slightly, in its empty structure, outer upper end
It being made of the secondary hydroxyl of C2 and C3, lower end is made of the primary hydroxyl of C6, there is hydrophily, and due to by c h bond in cavity
Shielding action forms hydrophobic region, carbon fiber refer to by the raw materials such as polyacrylonitrile, pitch, phenolic aldehyde, viscose by spinning, oxidation,
Carbonization and starching are made, and include the various forms product such as carbon fiber wire, carbon fiber bundle, chopped carbon fiber, carbon cloth.
Embodiment two
By 100 parts by weight of polypropylene, 20 parts by weight of thermoplastic elastomer (TPE), 15 parts by weight of cyclodextrin and porous particle
6 parts by weight are put into heating melting in mixer and are blended, this substance of porous particle is more aobvious to the castering action of interfacial adhesion
It writes, and the toughness of itself is preferable, polyacrylic 23 DEG C of impact strengths are greater than 4kJ/ ㎡, and the high polypropylene of impact strength not only may be used
To improve the toughness of plastics, and it is also effective to the raising of antibacterial fungicidal properties, and thermoplastic elastomer (TPE) is polyester-type thermoplastic
Elastomer, thermoplastic elastomer (TPE) are polyolefins thermoplastic elastomer, thermoplastic elastomer (TPE) generally by hard section and soft segment copolymerization and
At, rigidity, polarity and the crystallinity of hard section make thermoplastic elastomer (TPE) have excellent intensity, high temperature resistant, oil resistivity, creep resistance and
Solvent resistance and impact resistance, it is excellent low temperature resistant that the low Tg and saturability of soft segment have thermoplastic elastomer (TPE)
Property, low-temperature flexibility and ageing resistance, cyclodextrin is cyclodextrin-acrylic acid polymer, and cyclodextrin can mention
The mould-proof bacteria-removing ability of high plastics of the present invention, and its toughness can be improved, the especially toughness of plastics under cryogenic, while can
To improve the interfacial adhesion power of polypropylene and carbon fiber, cyclodextrin can be further improved the toughness and mould-proof bacteria-removing of plastics
Ability, porous particle are cyclodextrin-polyether polyols porous particles, this substance to the castering action of interfacial adhesion more
Significantly, and the toughness of itself is preferable, is improved in polypropylene and system between other materials using the micropore on porous particle surface
Interfacial adhesion is uniformly mixed 30 parts by weight of carbon fiber are added in above-mentioned mixed liquor, and cooling and dicing is dry, in a mold
Plastics of the invention are molded into, the intensity of plastics of the present invention can be enhanced in carbon fiber, and carbon fiber itself is also prevented with certain
The ability of mould degerming, polypropylene are the thermoplastic resins obtained by propylene polymerization, are one of five big resins for universal use, polypropylene has
Relative density is small, preferable intensity, moulding processability, chemical resistance, electrical insulating property are good, but product cold resistance it is poor,
Low temperature impact strength is low, and thermoplastic elastomer (TPE) refers to energy plasticizing forming under high temperature, and elastomeric a kind of material is shown as under room temperature,
Such as polyolefins, polyesters, polyurethanes, polyamide-based, organo-fluorine polymer class, organosilicon polymer analog thermoplastic elasticity
Body etc., thermoplastic elastomer (TPE) can effectively improve the toughness of high-effect anti-mould degerming plastics of the present invention, polyolefins thermoplastic
Property elastomer be that the soft chain segment formed by alkene and its substituent hard section that is prepared of polymerization and rubber is copolymerized and is prepared,
Middle hard section specific such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, soft chain segment is specifically such as ethylene propylene diene rubber, butyronitrile rubber
Glue, butyl rubber, natural rubber etc., cyclodextrin are amyloses in the cyclodextrin glycosyltransferase generated by bacillus
A series of lower cyclic oligosaccharides generated of effect and its copolymer or blend, cyclodextrin molecular have the hollow circle tapered slightly
Cylinder three-dimensional ring structure, in its empty structure, outer upper end is made of the secondary hydroxyl of C2 and C3, lower end by C6 primary hydroxyl structure
At, there is hydrophily, and since the shielding action by c h bond forms hydrophobic region in cavity, carbon fiber refers to by polypropylene
The raw materials such as nitrile, pitch, phenolic aldehyde, viscose are made by spinning, oxidation, carbonization and starching, include carbon fiber wire, carbon fiber bundle,
The various forms product such as chopped carbon fiber, carbon cloth.
Embodiment three
By 100 parts by weight of polypropylene, 30 parts by weight of thermoplastic elastomer (TPE), 20 parts by weight of cyclodextrin and porous particle
10 parts by weight are put into heating melting in mixer and are blended, this substance of porous particle is more aobvious to the castering action of interfacial adhesion
It writes, and the toughness of itself is preferable, polyacrylic 23 DEG C of impact strengths are greater than 4kJ/ ㎡, and the high polypropylene of impact strength not only may be used
To improve the toughness of plastics, and it is also effective to the raising of antibacterial fungicidal properties, and thermoplastic elastomer (TPE) is polyolefins thermoplastic
Property elastomer, thermoplastic elastomer (TPE) are generally copolymerized by hard section and soft segment, and rigidity, polarity and the crystallinity of hard section make thermoplasticity
Elastomer has excellent intensity, high temperature resistant, oil resistivity, creep resistance and solvent resistance and impact resistance, the reduced TG of soft segment
Temperature and saturability make thermoplastic elastomer (TPE) have excellent lower temperature resistance, low-temperature flexibility and ageing resistance, cyclodextrin polymerization
Object be cyclodextrin-polymethacrylic acid polymer, cyclodextrin can improve plastics of the present invention mould-proof bacteria-removing ability and
The toughness of its toughness, especially plastics under cryogenic can be improved, while the interface that can improve polypropylene and carbon fiber is glutinous
Attached power, cyclodextrin can be further improved the toughness and mould-proof bacteria-removing ability of plastics, and porous particle is cyclodextrin-polyurethane
Polyalcohol stephanoporate particle is uniformly mixed 40 parts by weight of carbon fiber are added in above-mentioned mixed liquor, and cooling and dicing is dry, in mould
Plastics of the invention are molded into tool, the intensity of plastics of the present invention can be enhanced in carbon fiber, and carbon fiber itself also has centainly
Mould-proof bacteria-removing ability, polypropylene is the thermoplastic resin obtained by propylene polymerization, is one of five big resins for universal use, polypropylene
Intensity small with relative density, preferable, moulding processability, chemical resistance, electrical insulating property are good, but product cold resistance
Difference, low temperature impact strength are low, and thermoplastic elastomer (TPE) refers to energy plasticizing forming under high temperature, and elastomeric a kind of material is shown as under room temperature
Material, such as polyolefins, polyesters, polyurethanes, polyamide-based, organo-fluorine polymer class, organosilicon polymer analog thermoplastic
Elastomer etc., thermoplastic elastomer (TPE) can effectively improve the toughness of high-effect anti-mould degerming plastics of the present invention, polyolefins
Thermoplastic elastomer (TPE) be the soft chain segment copolymerization formed by alkene and its substituent hard section that is prepared of polymerization and rubber prepare and
At, wherein hard section specific such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, the specific such as ethylene propylene diene rubber of soft chain segment,
Nitrile rubber, butyl rubber, natural rubber etc., cyclodextrin are amyloses in the cyclodextrin glucose base generated by bacillus
A series of cyclic oligosaccharides for generating and its copolymer or blend under transfer enzyme effect, cyclodextrin molecular, which has, to be tapered slightly
Hollow cylinder three-dimensional ring structure, in its empty structure, outer upper end is made of the secondary hydroxyl of C2 and C3, and lower end is by the primary of C6
Hydroxyl is constituted, and has hydrophily, and since the shielding action by c h bond forms hydrophobic region in cavity, carbon fiber refer to by
The raw materials such as polyacrylonitrile, pitch, phenolic aldehyde, viscose are made by spinning, oxidation, carbonization and starching, include carbon fiber wire, carbon fiber
Tie up the various forms products such as beam, chopped carbon fiber, carbon cloth.
Example IV
By 100 parts by weight of polypropylene, 50 parts by weight of thermoplastic elastomer (TPE), 30 parts by weight of cyclodextrin and porous particle
20 parts by weight are put into heating melting in mixer and are blended, this substance of porous particle is more aobvious to the castering action of interfacial adhesion
It writes, and the toughness of itself is preferable, polyacrylic 23 DEG C of impact strengths are greater than 4kJ/ ㎡, and the high polypropylene of impact strength not only may be used
To improve the toughness of plastics, and it is also effective to the raising of antibacterial fungicidal properties, and thermoplastic elastomer (TPE) is the poly- of weight ratio 1:1
Olefin hydrocarbons thermoplasticity elastic body and polyester-type thermoplastic elastomer, thermoplastic elastomer (TPE) are generally copolymerized by hard section and soft segment,
Rigidity, polarity and the crystallinity of hard section make thermoplastic elastomer (TPE) have excellent intensity, high temperature resistant, oil resistivity, creep resistance and resist
Solvent borne and impact resistance, it is excellent low temperature resistant that the low Tg and saturability of soft segment have thermoplastic elastomer (TPE)
Property, low-temperature flexibility and ageing resistance, two kinds in polyolefins thermoplastic elastomer and polyester-type thermoplastic elastomer, the two
Compounding can more improve the intensity and toughness of plastics, polyolefins thermoplastic elastomer with polyacrylic compatibility more preferably, and polyester
Analog thermoplastic elastomer and cyclodextrin, carbon fiber compatibility more preferably, so the two and while be used in toughening, may be used also
To play the effect of Interfacial compatibilization, and there is synergistic effect, cyclodextrin is the poly- second two of cyclodextrin-of weight ratio 1:1:1
Alkoxide polymer, cyclodextrin-acrylic acid polymer or cyclodextrin-polymethacrylic acid polymer, cyclodextrin can mention
The mould-proof bacteria-removing ability of high plastics of the present invention, and its toughness can be improved, the especially toughness of plastics under cryogenic, while can
To improve the interfacial adhesion power of polypropylene and carbon fiber, cyclodextrin can be further improved the toughness and mould-proof bacteria-removing of plastics
Ability cyclodextrin-polyethylene glycol polymer molecular weight is 200,000 hereinafter, when cyclodextrin-polyethylene glycol polymer molecular weight is greater than
200000, processing performance is bad, it is suppressed that the raising of toughness and mould-proof bacteria-removing performance, porous particle are cyclodextrin-polyurethane polyureas
Object porous particle is closed, is uniformly mixed 100 parts by weight of carbon fiber are added in above-mentioned mixed liquor, cooling and dicing is dry, in mould
Plastics of the invention are molded into tool, it is one of five big resins for universal use that polypropylene, which is the thermoplastic resin obtained by propylene polymerization,
Small, preferable intensity, moulding processability, chemical resistance, electrical insulating property are good with relative density for polypropylene, but product
Cold resistance is poor, low temperature impact strength is low, and thermoplastic elastomer (TPE) refers to energy plasticizing forming under high temperature, shows as under room temperature elastomeric
A kind of material, such as polyolefins, polyesters, polyurethanes, polyamide-based, organo-fluorine polymer class, polymerizable organosilicon species
Thermoplastic elastomer (TPE) etc., thermoplastic elastomer (TPE) can effectively improve the toughness of high-effect anti-mould degerming plastics of the present invention, gather
Olefin hydrocarbons thermoplasticity elastic body is the hard section being prepared by alkene and its substituent polymerization and the soft chain segment copolymerization that rubber is formed
It is prepared, wherein hard section specific such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, soft chain segment is specifically such as EPDM
Rubber, nitrile rubber, butyl rubber, natural rubber etc., cyclodextrin are amyloses in the cyclodextrin Portugal generated by bacillus
A series of lower cyclic oligosaccharides generated of glucosyl transferase effect and its copolymer or blend, cyclodextrin molecular, which has, is slightly in
The hollow cylinder three-dimensional ring structure of taper, in its empty structure, outer upper end is made of the secondary hydroxyl of C2 and C3, lower end by
The primary hydroxyl of C6 is constituted, and has hydrophily, and since the shielding action by c h bond forms hydrophobic region in cavity, carbon fiber
Refer to and be made of raw materials such as polyacrylonitrile, pitch, phenolic aldehyde, viscoses by spinning, oxidation, carbonization and starching, includes carbon fiber
The intensity of plastics of the present invention can be enhanced in the various forms product such as silk, carbon fiber bundle, chopped carbon fiber, carbon cloth, carbon fiber,
And carbon fiber itself is also with the ability of certain mould-proof bacteria-removing.
Test item and its measuring method of the present invention are as follows, unless otherwise instructed, each test all at 23 DEG C into
Row.
Tensile strength: being measured by GB/T1447-2005, prepares I type sample, long 200mm, thickness 4mm, test speed by standard
10mm/min。
Low temperature impact strength: notch Charpy impact strength is measured by ISO179/1eA, test temperature is minus 30 DEG C.
Anti-microbial property test: referring to GB15981-1995, Q/02GZS001 detection method and standard try out strain: large intestine
Specific steps: bacillus takes 0.3mL bacterium solution to be measured that the sample to be tested surface after sterilization and drying is added dropwise, is placed in after film covering
It in container, is placed for 24 hours at 36 DEG C of temperature, humidity 90%RH, then adds 20mL eluent and sufficiently oscillation elution, viable bacteria
Its bacteriostasis rate is calculated with the recycling bacterium of blank control sample after calculating.
The raw materials used in the present invention
[polypropylene]
A1: physical property are as follows: 23 DEG C of impact strength 3kJ/ ㎡；
A2: physical property are as follows: 23 DEG C of impact strength 5kJ/ ㎡.
[thermoplastic elastomer (TPE)]
B1: polyolefin thermoplastic elastomer, melt index (230 DEG C, 21.2N) 9g/10min；
B2: polyester thermoplastic elastomer, hard section are 215 DEG C of fusing point to naphthalenedicarboxylic acid butanediol ester segment, Vicat softening point
201℃。
[cyclodextrin]
C1: cyclodextrin-polyethylene glycol polymer, SH3400P, using polyethylene glycol as axis, molecular weight 700,000；
C2: cyclodextrin-polyethylene glycol polymer, SH2400P, using polyethylene glycol as axis, molecular weight 400,000；
C3: cyclodextrin-polyethylene glycol polymer, SH1300P, using polyethylene glycol as axis, molecular weight 180,000；
C4: cyclodextrin-acrylic acid polymer, SA1303P, using polyacrylic acid as axis, molecular weight 190,000；
[porous particle]
D1: cyclodextrin-polyether polyols porous particle, cyclodextrin-polyether polyols foamed sheet SUF01080 is through powder
It is broken to obtain, 10 microns of average grain diameter；
D2: polyurethane cellular particle, polyurethane foam board are made by crushing, and 50 microns of average grain diameter.
[carbon fiber]
Chopped carbon fiber, fibre length 3mm；
Density 92g/ ㎡.
According to shown in table 1, raw material and its proportion are added in double screw extruder, be blended under the conditions of 260 DEG C,
Extrusion obtains the plastics of long 1000mm of the invention, width 500mm, thickness 4mm, and "/" expression is added without such raw material in table, " X/Y "
It indicates that X substance is used in combination with Y substance or X parts by weight are used in combination with Y parts by weight, each sample is tested for the property, table 2 is as a result listed in.
1 raw material proportioning table of table
2 performance table of table
Benefit of the invention: by the synergistic effect of polypropylene, thermoplastic elastomer (TPE), cyclodextrin, carbon fiber, make
Plastics of the invention are obtained while guaranteeing that plastics have antibacterial and mouldproof effect, even if at low temperature, it may have higher intensity
And toughness, extend the application field of plastics.
Claims (9)
1. a kind of high-effect anti-mould degerming plastics, it is characterised in that: its raw material includes following components: 100 parts by weight of polypropylene, thermoplastic
Property elastomer 10-50 parts by weight, cyclodextrin 10-30 parts by weight, carbon fiber 20-100 parts by weight.
2. a kind of high-effect anti-mould degerming plastics according to claim 1, it is characterised in that: polyacrylic 23 DEG C of impacts
Intensity is greater than 4kJ/ ㎡.
3. a kind of high-effect anti-mould degerming plastics according to claim 1, it is characterised in that: the thermoplastic elastomer (TPE) is poly-
One of olefin hydrocarbons thermoplasticity elastic body or polyester-type thermoplastic elastomer are a variety of.
4. a kind of high-effect anti-mould degerming plastics according to claim 3, it is characterised in that: the thermoplastic elastomer (TPE) is poly-
Two kinds in olefin hydrocarbons thermoplasticity elastic body and polyester-type thermoplastic elastomer.
5. a kind of high-effect anti-mould degerming plastics according to claim 1, it is characterised in that: the cyclodextrin is ring
One of dextrin-polyethylene glycol polymer, cyclodextrin-acrylic acid polymer or cyclodextrin-polymethacrylic acid polymer
Or it is a variety of.
6. a kind of high-effect anti-mould degerming plastics according to claim 5, it is characterised in that: the cyclodextrin is ring
Dextrin-polyethylene glycol polymer.
7. a kind of high-effect anti-mould degerming plastics according to claim 6, it is characterised in that: the cyclodextrin-polyethylene glycol
The molecular weight of polymer is 200,000 or less.
8. a kind of high-effect anti-mould degerming plastics according to claim 1, it is characterised in that: the raw material also wraps by weight
Include porous particle 2-20 parts by weight.
9. a kind of high-effect anti-mould degerming plastics according to claim 8, it is characterised in that: the porous particle is ring paste
Essence-polyether polyols porous particle.
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| CN201811521004.9A CN109503952A (en) | 2018-12-12 | 2018-12-12 | A kind of high-effect anti-mould degerming plastics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114585269A (en) * | 2020-04-29 | 2022-06-03 | 韩国烟草人参公社 | Coating composition of low-ignition-tendency cigarette paper, smoking article using same and preparation method of low-ignition-tendency cigarette paper |
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