CN107083007A - A kind of Antibacterial polypropylene resin and its preparation method and application - Google Patents
A kind of Antibacterial polypropylene resin and its preparation method and application Download PDFInfo
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- CN107083007A CN107083007A CN201710234758.5A CN201710234758A CN107083007A CN 107083007 A CN107083007 A CN 107083007A CN 201710234758 A CN201710234758 A CN 201710234758A CN 107083007 A CN107083007 A CN 107083007A
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- triclosan
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
Abstract
The invention discloses a kind of modified polypropylene resin, it is characterised in that with following structure：Wherein, PP is polypropylene to PP g T, and T is modified triclosan；Number-average molecular weight 5000~2,000,000 of the modified polypropylene resin.The preparation method of the modified polypropylene resin is also disclosed, using polypropylene, modified triclosan, initiator, heat stabilizer as raw material, is prepared using melt grafting；The mass ratio of the polypropylene and modified triclosan is 99.9:0.1~70:30；The mass ratio of the polypropylene and heat stabilizer is 100:0.1~100:1；The mass ratio of the polypropylene and initiator is 100:0.01~100:1.In modified polypropylene resin prepared by the present invention, triclosan functional structure is connected in acrylic resin molecule with chemical bond, with lasting antibacterial functions, in use compared with the conventional blending in acrylic resin or spraying the method for triclosan antimicrobial agent, it the advantage is that triclosan composition is not lost in, both acrylic resin anti-microbial property can have been avoided to decline, environment will not have been polluted again.
Description
Technical field
The present invention's is related to acrylic resin technical field, particularly a kind of acrylic resin with antibacterial functions and its
Preparation method.
Background technology
Polypropylene material is widely used in the production and living such as aqueduct, household electrical appliances, medicine equipment, toy field, with
People gradually step up to health and environmental consciousness, the also more and more higher of the requirement to these product clean levels, especially in doctor
Instrument field (such as artificial mesh material, operation suture thread prepared by acrylic resin) is treated, how to avoid drawing because of material
The infection risen is one of the problem of it runs into clinical practice.Because polypropylene does not have antibacterial, anti-mildew work(in itself
Can, people are typically that polypropylene is blended with antiseptic at present, or by infusion method or Method for bonding by antibacterial moleucles
Polypropylene material surface is attached to, so that product reaches antibacterial functions.Chinese invention patent application prospectus
CN104387669A discloses a kind of medical PP inorganic antimicrobial composite materials and preparation method thereof, and this method is received using one kind is inorganic
Rice silver-zirconium phosphate antimicrobial, extruding pelletization after being well mixed according to a certain ratio with polypropylene and some auxiliary agents, obtained production
Product have certain antibacterial ability；Chinese invention patent application prospectus CN103263693A discloses a kind of immobilized antibacterial
Medicine hernia repairs the preparation method and purposes of sticking patch, and this method is prepared for immobilized antibacterials by dip-coating, spraying or rubbing method
Sticking patch；It is material modified that Chinese invention patent application prospectus CN103144392A discloses a kind of stable antibacterial polypropylene of light
Product and preparation method thereof, this method on the polypropylene articles surface of shaping by passing through plasma sputtering technique formation nanometer two
Titanium oxide layer, so that the product has antibiotic property.All in all, the above method is all with physical mixed side by antibacterial material
Method is added into polypropylene base, and due to chemical bond being not present between antimicrobial molecule and polypropylene base, antiseptic disperses
Uniformity be difficult ensure, the losing issue of antimicrobial component is also difficult to avoid that in addition, the long-term anti-microbial property of product is directly affected.
In addition, the antiseptic oozed out also has more or less harmful effect to the mankind and environment.It is common in the market
Antiseptic have heavy metal classes, quaternary ammonium salt, chlorinated organics class and nano material class etc., particularly using triclosan as representative
Chlorinated organics antiseptic, life and medical field are using quite varied.
Triclosan (also known as triclosan, chemical name 2,4,4 '-three chloro- 2 '-dihydroxy diphenyl ethers) is a kind of broad-spectrum high efficacy
Antiseptic and disinfectant, to gram-positive bacteria, Gram-negative bacteria, fungi and virus is with extremely strong suppression and kills work
With being widely applied to the industries such as daily use chemicals, weaving, building materials and plastics.Its main component is following formula chemical constitution：
In recent years, FDA (Food and Drug Adminstration) (FDA) is to addition of the triclosan in household chemicals commodity and actual effect
Query is proposed, the influence that the loss of triclosan is caused to environment (particularly water environment) in addition also result in the extensive pass of society
Note.If realizing chemical bond of the antimicrobial component in polypropylene material, make product that there is lasting antibacterial effect, and effectively keep away
Exempt from the loss of antiseptic composition, not only with important practical value, with more long-range environment protection significance.
The content of the invention
It is an object of the invention to provide a kind of modified polypropylene resin, with following structure：
PP-g-T
Wherein, PP is polypropylene, and T is modified triclosan；
The number-average molecular weight of the modified polypropylene resin (GPC method is tested, and is corrected by standard sample of polystyrene)
5000~2,000,000；
Described modification triclosan, with following structure：
Wherein, X is any structure in lower formula (I)~formula (III)；
In formula, R1For H or CH3, R2For aliphatic or aromatic group or its substituent containing 1~12 carbon atom, R3
Aliphatic or aromatic group for H or containing 1~12 carbon atom.
Preferably, in described modified polypropylene resin, polypropylene weight/mass percentage composition is 70~99.9%, modified
The weight/mass percentage composition of triclosan is 0.1~30%.
Modification triclosan of the present invention containing formula (I) and (II) structure is by triclosan and acryloyl chloride class compound
Esterification is carried out to prepare.
The modification triclosan containing formula (III) structure of the present invention is by triclosan and the horse containing acid chloride groups
Carry out acid diesters compound progress esterification to prepare.
It is a further object of the present invention to provide the preparation method of above-mentioned modified polypropylene resin, with polypropylene, modified trichlorine
Life, initiator, heat stabilizer are raw material, are prepared using melt grafting.The mass ratio of the polypropylene and modified triclosan is
99.9:0.1~70:30；The mass ratio of the polypropylene and heat stabilizer is 100:0.1~100:1；The polypropylene is with triggering
The mass ratio of agent is 100:0.01~100:1.
Modified polypropylene resin prepared by the present invention, forms the body of combining closely of polypropylene and modified triclosan, modified
Triclosan is due to the chemical constitution with (I)~(III), and the olefinic double bonds in its structure can be with polypropylene molecular chain above-mentioned
Chemical bonds are produced in preparation process, so that the triclosan functional group with antibacterial functions is firmly bonded into acrylic resin
On.
Preferably, the mass ratio of the polypropylene and modified triclosan is 98:2~90:10；The polypropylene and heat
The mass ratio of stabilizer is 100:0.2~100:0.5；The mass ratio of the polypropylene and initiator is 100:0.05~100:
0.5。
Preferably, the heat stabilizer is selected from Hinered phenols macromolecular type antioxidant, phosphorous acid kind antioxidant or alkane
At least one of esters antioxidant.
It is further preferred that the heat stabilizer is the Hinered phenols macromolecular type antioxidant and phosphorous acid kind antioxidant
Combination.
Most preferably, the heat stabilizer is antioxidant 1010 (four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid]
Pentaerythritol ester) and irgasfos 168 (three [2.4- di-tert-butyl-phenyls] phosphite esters).Preferably, the antioxidant 1010 and
The mass ratio of irgasfos 168 is 1:0.5~1:2.
Preferably, the initiator is selected from organic peroxide or azo-initiator.
It is further preferred that the organic peroxide is cyclohexanone peroxide, cumyl peroxide, diphenyl peroxide
Formyl or TBHP.
It is further preferred that the azo-initiator is azodiisobutyronitrile or ABVN.
Preferably, the preparation method comprises the following steps：
1) acrylic resin, modified triclosan, heat stabilizer, initiator are subjected to mechanical mixture, obtain being pre-mixed raw material；
2) described premixing raw material is added in Reaction extrusion equipment, at 160 DEG C (polypropylene fusing points) with enterprising
Row reaction；
3) extrusion product is cooled down by circulator bath.
Preferably, the equipment that methods described is used is appointing in single screw extrusion machine, double screw extruder, banbury
Meaning is a kind of.
It is further preferred that the equipment that methods described is used is double screw extruder；Double screw extruder from melt zone, nibble
The temperature for closing conversion zone to melt conveying zone is set as 130~170 DEG C, 180~200 DEG C, 180~200 DEG C successively；Screw speed
Regulation is at 100~150 revs/min.
When modified triclosan is solid-state, the method that acrylic resin is remixed after modified triclosan can be dissolved by solvent
It is well mixed, the use of solvent is usually volatile and not with acetone, the ethanol of modified triclosan or resin reaction etc., so
Volatilization removes solvent naturally afterwards.
The present invention also provides application of the above-mentioned modified polypropylene resin in antibacterial resin material.
In modified polypropylene resin prepared by the present invention, triclosan functional structure is connected to acrylic resin point with chemical bond
In son, with lasting antibacterial functions, triclosan antimicrobial agent is blended or sprayed in acrylic resin with conventional in use
Method compare, the advantage is that triclosan composition is not lost in, can both avoid acrylic resin anti-microbial property decline, again will not
Environment is polluted.
Brief description of the drawings
The width of accompanying drawing four of the present invention,
Fig. 1 is modified triclosan A nucleus magnetic hydrogen spectrum spectrogram；
The nuclear-magnetism carbon spectrum spectrogram that Fig. 2 is modified triclosan A；
Fig. 3 is the Escherichia coli culture experiment result photo of acrylic resin；
Fig. 4 tests (TGA) curve for the thermal weight loss of acrylic resin.
Embodiment
Following non-limiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
The preparation of modified triclosan
(1) triclosan 14.5g vacuumize processs are removed after the water adsorbed in raw material, oxygen, are dissolved in 80mL dichloromethane,
And add 10mL triethylamines.In a nitrogen atmosphere, 7.2mL methacrylic chlorides (being configured to solution with dichloromethane) are gradually added dropwise
Into above-mentioned Triclosan solution, reaction 4 hours is stirred at room temperature.After reaction terminates, vacuum distillation removes dichloromethane, excessive propene
The low-boiling point liquids such as acyl chlorides, triethylamine.In being in solution ph with remaining triethylamine in aqueous hydrochloric acid solution neutralized reaction product finally
Property, after cleaning solution point liquid, water removal, obtain 4.3g and be modified triclosan A.
Modified triclosan A structural formula isWherein X has the structure shown in (I) formula,
R1For methyl.
(2) triclosan 2.9g vacuumize processs are removed after the water adsorbed in raw material, oxygen, be dissolved in 80mL dichloromethane, and
Add 5mL triethylamines.In a nitrogen atmosphere, above-mentioned Triclosan solution is dropwise added dropwise to the dichloromethane of 1.3mL oxalyl chlorides
In middle solution, 0 DEG C of stirring reaction 2 hours then heats to room temperature and is stirred for reaction 2 hours.After reaction terminates, vacuum distillation is removed
Low-boiling point liquid is removed, the triclosan intermediate product M of 1.7g chlorides is obtained.1.4g products M is dissolved in dichloromethane, and added
Enter 3mL triethylamines, in a nitrogen atmosphere, add the 5- hydroxy-2-methyl -1- penten-3-ones of 1.1 times of moles, be stirred at room temperature
Reaction 4 hours, after reaction terminates, vacuum distillation removes low-boiling point liquid, finally with remaining in aqueous hydrochloric acid solution neutralized reaction product
Triethylamine, in neutrality, after cleaning solution point liquid, water removal, obtains 1.9g and is modified triclosan B to solution ph.
Modified triclosan B structure be forWherein X has the structure shown in (II) formula,
R1For methyl, R2For COCO2CH2CH2。
(3) triclosan 14g vacuumize processs are removed after the water adsorbed in raw material, oxygen, be dissolved in 80mL dichloromethane, and
Add 10mL triethylamines.In a nitrogen atmosphere, NaH is gradually added into, is produced to bubble-free.Take maleic anhydride 20g 50mL tetrahydrochysenes
Furans dissolves, and is gradually added into constant pressure funnel in reaction bulb, and reaction 6 hours is stirred at room temperature.After reaction terminates, quality is added
Concentration is 5% dilute sulfuric acid, regulation pH value to 4-5.Reaction solution is poured into separatory funnel to add and extracted with the isometric water of solvent
Product is taken, 5.7g is obtained and is modified triclosan C.
Modified triclosan C structure be forWherein X has the knot shown in (III) formula
Structure, R3For H.
Comparative example 1
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of initiator mistake
Oxidation diisopropylbenzene (DIPB) is mixed, and is then added mixture in double screw extruder and is melted.The melt zone of extruder
Temperature is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C, and discharging opening temperature is 180 DEG C, and screw rod is set
Rotating speed is determined for 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, obtains final product.
Embodiment 1
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.1 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 5 parts of modified triclosan A are mixed, and obtain mixture.Then add mixture in double screw extruder
Melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C, is gone out
Material mouth temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, obtains product.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan A answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 1.1% in modified polypropylene resin.
Embodiment 2
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.1 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 10 parts of modified triclosan A are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan A answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 1.9% in modified polypropylene resin.
Embodiment 3
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 10 parts of modified triclosan A are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan A answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 2.4% in modified polypropylene resin.
Embodiment 4
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 20 parts of modified triclosan A are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan A answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 4.5% in modified polypropylene resin.
Embodiment 5
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of initiator mistake
Oxidation dibenzoyl, 10 parts of modified triclosan B are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan B answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 2.0% in modified polypropylene resin.
Embodiment 6
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of initiator mistake
Oxidation dibenzoyl, 10 parts of modified triclosan C are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan C answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 2.1% in modified polypropylene resin.
Embodiment 7
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.2 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 20 parts of modified triclosan C are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan C answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 3.8% in modified polypropylene resin.
Embodiment 8
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.3 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 20 parts of modified triclosan A are mixed, and obtain mixture.Then add mixture to double screw extruder
It is middle to be melted.The melt zone temperature of extruder is 160 DEG C, and conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C,
Discharging opening temperature is 180 DEG C, and screw rod setting speed is 150rpm, and extrusion product is cooled down and pelletizing by circulator bath, produced
Thing.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan A answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 4.8% in modified polypropylene resin.
Embodiment 9
In terms of mass parts, by 100 parts of polypropylene, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.3 part of initiator mistake
Oxidation diisopropylbenzene (DIPB), 30 parts of modified trichlorine raw compounds A are mixed, and obtain mixture, compound A structure is that formula (I) is shown,
Wherein R1For methyl.Then add mixture in double screw extruder and melted.The melt zone temperature of extruder is 160
DEG C, conversion zone temperature is 190 DEG C, and melt conveying zone temperature is 200 DEG C, and discharging opening temperature is 180 DEG C, and screw rod setting speed is
150rpm, extrusion product is cooled down and pelletizing by circulator bath, obtains product.
After product dimethylbenzene fully dissolves, then separate out polymer powder, filtration product and that removing is washed with ethanol is not anti-
The modification triclosan A answered, obtains the modified polypropylene resin of triclosan functional group and acrylic resin chemical bonds, and determining should
Cl mass content is 6.6% in modified polypropylene resin.
The performance test of modified polypropylene resin prepared by above-described embodiment is listed in the table below 1.
Table 1
The as shown by data of table 1, modified triclosan can effectively with polypropylene molecule chain combination, joined by regulation experiment
Number, the reaction efficiency of modified triclosan illustrates the modified polypropene efficiency high prepared using this method, effect up to 70%~96%
It is really good.
Modified polypropylene resin evaluates its antibiotic property by inhibition zone measurement method, and (method of testing is medical referring to triclosan coating
The making of polypropylene antibacterial mesh sheet and the Chinese general surgery's magazines of performance study, 2009,18,932-937), choose typical big
Enterobacteria and staphylococcus aureus are cultivated, and as a result find modified polypropylene resin prepared by the present invention, its sample surfaces
There is inhibition zone appearance without obvious bacterial growth, and around sample, as shown in Figure 3 (Escherichia coli culture experiment), it was demonstrated that this
Modified polypropylene resin prepared by invention has from antibacterial functions.And the polypropylene specimen (comparative example 1) of non-grafted triclosan is no
With antibacterial effect.
The heat endurance of modified polypropylene resin is analyzed by thermal gravimetric analyzer (TGA), and test condition is heating
10 DEG C/min of speed.The thermal decomposition initial temperature of sample is more than 350 DEG C, as shown in Figure 4, with plain polypropylene resin
(comparative example 1) quite, modified polypropylene resin prepared by this explanation present invention has good heat endurance, it is adaptable to all kinds of heat
Method for processing forming.
Claims (9)
1. a kind of modified polypropylene resin, it is characterised in that with following structure：
PP-g-T
Wherein, PP is polypropylene, and T is modified triclosan；
Number-average molecular weight 5000~2,000,000 of the modified polypropylene resin；
Described modification triclosan, with following structure：
Wherein, X is any structure in lower formula (I)~formula (III)；
In formula, R1For H or CH3, R2For aliphatic or aromatic group or its substituent containing 1~12 carbon atom, R3For H or
Aliphatic or aromatic group containing 1~12 carbon atom.
2. modified polypropylene resin according to claim 1, it is characterised in that in described modified polypropylene resin, gathers
The weight/mass percentage composition of propylene is 70~99.9%, and the weight/mass percentage composition of modified triclosan is 0.1~30%.
3. the preparation method of modified polypropylene resin described in claim 1, it is characterised in that with polypropylene, modified triclosan, draw
It is raw material to send out agent, heat stabilizer, is prepared using melt grafting；The mass ratio of the polypropylene and modified triclosan is 99.9:
0.1~70:30；The mass ratio of the polypropylene and heat stabilizer is 100:0.1~100:1；The polypropylene and initiator
Mass ratio is 100:0.01~100:1.
4. the preparation method of modified polypropylene resin according to claim 3, it is characterised in that the polypropylene and modified three
The mass ratio of chlorine life is 98:2~90:10；The mass ratio of the polypropylene and heat stabilizer is 100:0.2~100:0.5；It is described
The mass ratio of polypropylene and initiator is 100:0.05~100:0.5.
5. the preparation method of modified polypropylene resin according to claim 3, it is characterised in that the heat stabilizer be selected from by
Hinder at least one of phenols macromolecular type antioxidant, phosphorous acid kind antioxidant or alkyl ester kind antioxidant.
6. the preparation method of modified polypropylene resin according to claim 3, it is characterised in that the initiator is selected from organic
Peroxide or azo-initiator.
7. the preparation method of modified polypropylene resin according to claim 3, it is characterised in that the preparation method include with
Lower step：
1) acrylic resin, modified triclosan, heat stabilizer, initiator are subjected to mechanical mixture, obtain being pre-mixed raw material；
2) described premixing raw material is added in Reaction extrusion equipment, reacted more than 160 DEG C；
3) extrusion product is cooled down by circulator bath.
8. the preparation method of modified polypropylene resin according to claim 7, it is characterised in that the equipment that methods described is used
For any one in single screw extrusion machine, double screw extruder, banbury.
9. modified polypropene tree made from preparation method described in the modified polypropylene resin or claim 3 described in claim 1
Application of the fat in antibacterial resin material.
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| CN111440406A (en) * | 2020-04-09 | 2020-07-24 | 安徽松泰包装材料有限公司 | Antibacterial food packaging film and processing technology thereof |
| CN114030208A (en) * | 2021-12-14 | 2022-02-11 | 广东义发实业股份有限公司 | Antibacterial degradable functional film forming and processing technology and equipment thereof |
| CN114349634A (en) * | 2022-01-06 | 2022-04-15 | 黄河三角洲京博化工研究院有限公司 | Preparation method of reactive organic antibacterial agent |
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| CN111440406B (en) * | 2020-04-09 | 2023-01-17 | 安徽松泰包装材料有限公司 | Antibacterial food packaging film and processing technology thereof |
| CN114030208A (en) * | 2021-12-14 | 2022-02-11 | 广东义发实业股份有限公司 | Antibacterial degradable functional film forming and processing technology and equipment thereof |
| CN114349634A (en) * | 2022-01-06 | 2022-04-15 | 黄河三角洲京博化工研究院有限公司 | Preparation method of reactive organic antibacterial agent |
| CN115057968A (en) * | 2022-06-28 | 2022-09-16 | 黄河三角洲京博化工研究院有限公司 | Antibacterial polypropylene resin and preparation method thereof |
| CN115057968B (en) * | 2022-06-28 | 2024-02-13 | 黄河三角洲京博化工研究院有限公司 | Antibacterial polypropylene resin and preparation method thereof |
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