CN108948713A - A kind of antibacterial PC master batch and preparation method thereof - Google Patents
A kind of antibacterial PC master batch and preparation method thereof Download PDFInfo
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- CN108948713A CN108948713A CN201811002266.4A CN201811002266A CN108948713A CN 108948713 A CN108948713 A CN 108948713A CN 201811002266 A CN201811002266 A CN 201811002266A CN 108948713 A CN108948713 A CN 108948713A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
Abstract
The invention discloses a kind of antibacterial PC master batches and preparation method thereof.Its raw material of the antibacterial PC master batch includes: 70-100 parts of PC resin, sisal fiber or modified sisal fiber 10-50 parts, 5-10 parts of fire retardant, 5~8 parts of toughener, 1-5 parts of dispersing agent, 1-3 parts of antibacterial agent in parts by mass.Preparation process of the present invention is simple, easily operated, and the antibacterial PC master batch prepared has good dispersibility, shows excellent antibacterial ability, flame retardant property and mechanical property, there is wide application prospect.
Description
Technical field
The present invention relates to technical field of polymer materials, and in particular to a kind of antibacterial PC master batch and preparation method thereof.
Background technique
With the development and the improvement of people's living standards of social economy, the application field of plastic products is also constantly expanding
Greatly, small common into life various shopping bags, refuse bag, plastic barrel and packaging bag etc., arrive greatly automobile, household electrical appliances, communication, height
The industries such as shelves tool, the application field of plastic products are also slowly developing to advanced industry field while constantly widening, phase
For common application industry, the quality requirements in advanced field are higher, it is desirable to which plastic products have better quality.
Polycarbonate (abbreviation PC) is the high molecular polymer in strand containing carbonate group, can according to the structure of ester group
It is divided into the multiple types such as aliphatic, aromatic series, aliphatic-aromatic.Wherein due to aliphatic and the poly- carbonic acid of aliphatic-aromatic
The mechanical performance of ester is lower, to limit its application in terms of engineering plastics.Only have what aromatic copolycarbonate obtained at present
Industrialized production.Due to the particularity on polycarbonate structure, it is most fast growth rate in five large-engineering plastics has been become
General engineering plastic.However due to the structure of PC alloy material itself, oxygen index (OI) is low, easy firing, burning velocity it is fast and with
Drip phenomenon is easy to happen fire and is not easy to extinguish, this receives its application field greatly to limit, especially in automobile function
It can part, household electrical appliance aspect
In order to improve the performance of plastic products, common method is that filler parent granule is added to be modified.Current Domestic
How the external field is mainly around improving dispersibility, thin-film transparent, interface interaction, power of the filler in plastic substrate
The comprehensive performances such as performance, hardness performance, absorptivity, shock resistance are learned to be unfolded.By inorganic filler (such as calcium carbonate, talcum
Powder, kaolin, wollastonite etc.) suitably it is surface-treated, vector resin and dispersing agent are added, is penetrated into plastic substrate, is made
It is standby at filler parent granule eventually in plastic products.Currently, in the filling-modified research of plastics and its product, calcium carbonate applications
Most commonly used inorganic filler, but its oil factor is big, product light absorptive is high, sub- face and atomized surface effect can be presented in product surface, and
Loading, which crosses conference, makes the mechanical property degradation of product, tends not to meet high tenacity, high strength, high tenacity product
Demand.
Therefore, a kind of antibacterial PC master batch is developed to have practical significance.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides a kind of antibacterial PC master batches and preparation method thereof.
Specific technical solution is as follows:
A kind of antibacterial PC master batch, raw material include: 70-100 parts of PC resin, sisal fiber or modified sisal hemp in parts by mass
10-50 parts of fiber, 5-10 parts of fire retardant, 5~8 parts of toughener, 1-5 parts of dispersing agent, 1-3 parts of antibacterial agent.
Preferably, a kind of antibacterial PC master batch, raw material include: 70-100 parts of PC resin, modified sisal hemp fibre in parts by mass
Tie up 10-50 parts, 5-10 parts of fire retardant, 5~8 parts of toughener, 1-5 parts of dispersing agent, 1-3 parts of antibacterial agent.
Preferably, the modified sisal fiber is the preparation method comprises the following steps: it is 0.1-0.3mol/L that sisal fiber, which is added to concentration,
Ammonia spirit in, wherein the mass volume ratio of the sisal fiber and ammonia spirit is 1:(1-5) (g/mL), after ultrasonic treatment
Obtain mixture；It is subsequently added into the plant extracts of mixture quality 1-3%, continues to be ultrasonically treated, is obtained after filtering
Fiber after filter washs filtered fiber with water, washing to neutrality, and modified sisal fiber is obtained after dry.
Preferably, the plant extracts include one of mint extract, bajiao banana leaf extract, Eucalyptus extract or
It is a variety of.
It is further preferred that the plant extracts presses quality by mint extract, bajiao banana leaf extract, Eucalyptus extract
Than (1-6): (1-6): (1-6) is mixed.
Preferably, the fire retardant includes one of diethyl zinc hypophosphite, melamine phosphate, composite flame-retardant agent
Or it is a variety of.
Preferably, the composite flame-retardant agent is prepared from the following materials by weight percent: triammonium phosphate 18-30%,
It is barium metaborate 1-4%, magnesium hydroxide 6-12%, calcium oxide 1-3%, dipentaerythritol 8-15%, modifying agent 0.5-1.5%, remaining
Amount is ammonium polyphosphate.
Preferably, the composite flame-retardant agent the preparation method comprises the following steps: by weight percent ratio weigh each raw material component；First will
Triammonium phosphate, ammonium polyphosphate mixing, are added modifying agent after mixing, are placed at 50-95 DEG C and are stirred, inclined boron is added after mixing
Sour barium, magnesium hydroxide, calcium oxide, dipentaerythritol, after mixing to obtain the final product.
Optionally, the toughener is POE-g-GMA.
Optionally, the dispersing agent is methyl-silicone oil and/or montanin wax.
Optionally, the antibacterial agent is nano zine oxide or polyhexamethylene guanide phosphate.
The invention also discloses the preparation methods of antibacterial PC master batch, comprising the following steps:
I, weighs each raw material component by mass parts composition, obtains mixture after mixing；
Above-mentioned mixture feeding double screw extruder is granulated by II, obtains antibacterial PC master batch after cooling, drying.
By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages: system of the present invention
Standby simple process, easily operated, the antibacterial PC master batch prepared has good dispersibility, shows excellent antibacterial energy
Power, flame retardant property and mechanical property, and environmental pollution is smaller, there is wide application prospect.
Specific embodiment
Foregoing invention content of the invention is described in further detail With reference to embodiment, but should not be incited somebody to action
This range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiments.
Each raw material and equipment introduction in embodiment:
PC resin, model South Korea Samsung HM-3301GL are purchased from Suzhou Chi Teng plastic cement Co., Ltd.
POE-g-GMA, the POE of glycidyl methacrylate graft, model SOG-02, the limited public affairs of good easy appearance compatilizer
Department.
Nano zine oxide, No. CAS: 1314-13-2, partial size 200nm, Hebei Xin Lang Chemical Industry Science Co., Ltd.
Polyhexamethylene guanide phosphate, No. CAS: 89697-78-9, model: ANP-25P, Guangdong Austria take in the fresh limited material public affairs
Department.
Diethyl zinc hypophosphite, No. CAS: 284685-45-6, average grain diameter is less than 40 μm, model FR-ZDP, is purchased from Guangzhou
Yin Yuan new material Science and Technology Ltd. of city.
Melamine phosphate, No. CAS: 20208-95-1, product number: M850103 is purchased from Shanghai Mike woods biochemistry section
Skill Co., Ltd
Triammonium phosphate, No. CAS: 10124-31-9, it is purchased from Shanghai Peng Suo biochemical technology Co., Ltd.
Barium metaborate, No. CAS: 13701-59-2,325 mesh of granularity is purchased from Zhengzhou City Zhongyuan District Yuan Feng chemical products firm.
Magnesium hydroxide, No. CAS: 1309-42-8,325 mesh of granularity is purchased from Guangzhou Ze Dan deer trade Co., Ltd.
Calcium oxide, No. CAS: 73018-51-6,125 mesh of granularity is purchased from Shenzhen Lv Li Science and Technology Ltd..
Dipentaerythritol, No. CAS: 126-58-9, product number: D806414, it is limited purchased from Shanghai Mike woods biochemical technology
Company.
Stearic acid, No. CAS: 57-11-4, product number: S108289, it is limited purchased from Shanghai Aladdin biochemical technology share
Company.
Ammonium polyphosphate, No. CAS: 14728-39-3, average degree of polymerization is greater than 200, model APP II, is purchased from Jinan person of outstanding talent nation
Work Co., Ltd.
Methyl-silicone oil, No. CAS: 650-000, model 201, kinematic viscosity (25 DEG C) mm4/s is 350 ± 18, Jinan nation of state
Chemical Co., Ltd..
Dried peppermint leaf, kind American mint, article No. bcxm041 are provided by hundred hay-scented fragrant plant Co., Ltd of Qingdao.
Leaf of Japanese banana, bajiao banana kind are Saigon any of several broadleaf plants, place of production Nanning.
Eucalyptus, kind Eucalyptus urophylla-grandis, wood chip shape are provided by Nan Jing of Zhangzhou City of Fujian Province state-owned forest farms.
Sisal fiber, specification 90mm, primes are purchased from Longzhou strength Ma Ye Co., Ltd.In the embodiment of the present invention
Before using sisal fiber, the staple fiber of 3mm long is first cut short into.
Mint extract the preparation method comprises the following steps: dried peppermint leaf is taken to be placed at 55 DEG C dry 48h, be crushed to 80 mesh, obtain peppermint
Powder；Above-mentioned peppermint powder is placed in 2L extraction tank, 4 times of peppermint powder quality of 50wt% ethanol water is added, it is super to face
Boundary extracts 2.5h, extracting pressure 20MPa, and 40 DEG C of extraction temperature, separating pressure 5MPa, obtains overcritical extraction by 35 DEG C of separation temperature
Take object and super critical extract remainder；20 times of super critical extract remainder quality of 50wt% methanol-water is added into above-mentioned super critical extract remainder
Solution is placed at 60 DEG C and is ultrasonically treated 20min, and the ultrasonic power of the ultrasonic treatment is 350W, supersonic frequency 30kHz, obtains
To ultrasonic extraction liquid；Merge above-mentioned supercritical extract and ultrasonic extraction liquid, through 150 mesh filter-cloth filterings, gained filtrate is placed in 50
DEG C, water content is concentrated under conditions of being 0.05MPa is 4% to absolute pressure, obtain mint extract.
Bajiao banana leaf extract the preparation method comprises the following steps: leaf of Japanese banana is cleaned, remove soil and sundries, be cut into the left side 5cm × 5cm
Right fragment, then the dry 12h at 80 DEG C, is crushed to 40 mesh, obtains dry powder；The hydrogen-oxygen of 10w% is added into gained dry powder
Change sodium water solution, wherein the mass volume ratio of the dry powder and sodium hydrate aqueous solution is 1:3 (g/mL), is extracted at 80 DEG C
45min, through 80 mesh filter-cloth filterings, gained filtrate is placed in 50 DEG C, absolute pressure is concentrated into water content under conditions of being 0.08MPa and is
4%, obtain the bajiao banana leaf extract.
The preparation method of Eucalyptus extract is identical as the preparation method of bajiao banana leaf extract.
Ultrasonic disperse processing equipment is VGT-1012F type nano-dispersed instrument, limited purchased from the solid special washing/cleaning equipment of Shenzhen's prestige
Company.
Supercritical extracting equipment is HY-OES-2L type supercritical extractor, limited purchased from Dongguan City ocean ultrasonic wave science and technology
Company.
Ultrasound processing equipment is VS-040HAL type high-frequency ultrasonic cleaning machine, purchased from the fertile letter limited public affairs of instrument manufacturing in Wuxi
Department.
Milling apparatus is JMF-80 type rubber mill, is purchased from Guangzhou Heng Dong mechanical equipment Science and Technology Ltd..
Embodiment 1
A kind of antibacterial PC master batch is made of the raw material of following mass parts meter: 85 parts of PC resin, 15 parts of sisal fiber, diethyl
2 parts of base zinc hypophosphite, 2 parts of melamine phosphate, 2 parts of composite flame-retardant agent, 6 parts of POE-g-GMA, methyl-silicone oil 3 part, nanometer
0.5 part of zinc oxide, 0.5 part of polyhexamethylene guanide phosphate.
The composite flame-retardant agent the preparation method comprises the following steps: ratio weighs triammonium phosphate 20%, barium metaborate by weight percent
3%, magnesium hydroxide 8%, calcium oxide 1%, dipentaerythritol 8%, stearic acid 1%, ammonium polyphosphate 59%；First by triammonium phosphate,
Ammonium polyphosphate mixing is first placed in 30 DEG C, stirs 20min under conditions of 500r/min, is subsequently added into stearic acid, 50 DEG C,
5min is stirred under conditions of 1000r/min, adds barium metaborate, magnesium hydroxide, calcium oxide, dipentaerythritol, is continued 30
DEG C, under conditions of 500r/min stirring 40min to get.
The preparation method of the antibacterial PC master batch, comprising the following steps:
I, weighs and mixes each raw material component by mass parts composition, stirs 20min under conditions of 300r/min, 40 DEG C,
Obtain mixture；
Said mixture is transported in double screw extruder by II, by the feed device of delicate metering, twin-screw extrusion
The processing conditions of machine melting extrusion is as follows: 190 DEG C of area's temperature, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, four area's temperature
240 DEG C, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight 240 DEG C of area's temperature, nine 240 DEG C of area's temperature,
Ten 250 DEG C of area's temperature, 260 DEG C of head temperature；Screw speed is 600 revs/min, draw ratio 40:1, in the shearing, mixed of screw rod
Under refining and conveying, flowed out through poroid mouth mold, through stock-cutter earnestly at the cylindrical pellets of 3mm × 3mm after being cooled to 30 DEG C, 100
Dry 30min is at DEG C to get antibacterial PC master batch.
Embodiment 2
Substantially the same manner as Example 1, difference is only in that:
The antibacterial PC master batch is made of the raw material of following mass parts meter: 85 parts of PC resin, 15 parts of sisal fiber, diethyl
3 parts of base zinc hypophosphite, 6 parts of POE-g-GMA, 3 parts of methyl-silicone oil, 0.5 part of nano zine oxide, gathers 3 parts of melamine phosphate
0.5 part of hexa-methylene guanidine phosphate.
Antibacterial PC master batch
Embodiment 3
Substantially the same manner as Example 1, difference is only in that:
The antibacterial PC master batch is made of the raw material of following mass parts meter: 85 parts of PC resin, 15 parts of sisal fiber, trimerization
3 parts of cyanamide phosphate, 3 parts of composite flame-retardant agent, 6 parts of POE-g-GMA, 3 parts of methyl-silicone oil, 0.5 part of nano zine oxide, poly- six Asia
0.5 part of methylguanidine phosphate.Antibacterial PC master batch
Embodiment 4
Substantially the same manner as Example 1, difference is only in that:
The antibacterial PC master batch is made of the raw material of following mass parts meter: 85 parts of PC resin, 15 parts of sisal fiber, diethyl
3 parts of base zinc hypophosphite, 3 parts of composite flame-retardant agent, 6 parts of POE-g-GMA, 3 parts of methyl-silicone oil, 0.5 part of nano zine oxide, poly- six Asia
0.5 part of methylguanidine phosphate.Antibacterial PC master batch
Comparative example 1
Substantially the same manner as Example 1, difference is only in that:
The antibacterial PC master batch is made of the raw material of following mass parts meter: 85 parts of PC resin, 15 parts of sisal fiber, POE-
6 parts of g-GMA, 3 parts of methyl-silicone oil, 0.5 part of nano zine oxide, 0.5 part of polyhexamethylene guanide phosphate.Antibacterial PC master batch
Embodiment 5
Substantially the same manner as Example 1, difference is only in that: the sisal fiber replaces with modified sisal fiber.
The modified sisal fiber the preparation method comprises the following steps: being added sisal fiber into the ammonia spirit of 0.3mol/L,
Described in the mass volume ratio of sisal fiber and ammonia spirit be 1:3 (g/mL), be 80kHz, ultrasonic wave function in ultrasonic frequency
Rate is ultrasonication 15min under conditions of 500W, obtains mixture, mixture quality then is added into gained mixture
1.5% plant extracts continues ultrasonication under conditions of ultrasonic frequency is 80kHz, ultrasonic power is 500W
20min obtains filtered fiber through 80 mesh filter-cloth filterings, then is washed with deionized water to filtered fiber, washing
It is placed at 80 DEG C dry 6h to neutrality, obtains modified sisal fiber.
The plant extracts is by mint extract, bajiao banana leaf extract, Eucalyptus the extract quality of 1:1:1 in mass ratio
Than mixing.
Embodiment 6
Substantially the same manner as Example 1, difference is only in that: the sisal fiber replaces with modified sisal fiber.
The modified sisal fiber the preparation method comprises the following steps: being added sisal fiber into the ammonia spirit of 0.3mol/L,
Described in the mass volume ratio of sisal fiber and ammonia spirit be 1:3 (g/mL), be 80kHz, ultrasonic wave function in ultrasonic frequency
Rate is ultrasonication 15min under conditions of 500W, obtains mixture, mixture quality then is added into gained mixture
1.5% plant extracts continues ultrasonication under conditions of ultrasonic frequency is 80kHz, ultrasonic power is 500W
20min obtains filtered fiber through 80 mesh filter-cloth filterings, then is washed with deionized water to filtered fiber, washing
It is placed at 80 DEG C dry 6h to neutrality, obtains modified sisal fiber.
The plant extracts is mixed by mint extract, the bajiao banana leaf extract mass ratio of 1:1 in mass ratio.
Embodiment 7
Substantially the same manner as Example 1, difference is only in that: the sisal fiber replaces with modified sisal fiber.
The modified sisal fiber the preparation method comprises the following steps: being added sisal fiber into the ammonia spirit of 0.3mol/L,
Described in the mass volume ratio of sisal fiber and ammonia spirit be 1:3 (g/mL), be 80kHz, ultrasonic wave function in ultrasonic frequency
Rate is ultrasonication 15min under conditions of 500W, obtains mixture, mixture quality then is added into gained mixture
1.5% plant extracts continues ultrasonication under conditions of ultrasonic frequency is 80kHz, ultrasonic power is 500W
20min obtains filtered fiber through 80 mesh filter-cloth filterings, then is washed with deionized water to filtered fiber, washing
It is placed at 80 DEG C dry 6h to neutrality, obtains modified sisal fiber.
The plant extracts is mixed by bajiao banana leaf extract, the Eucalyptus extract mass ratio of 1:1 in mass ratio.
Embodiment 8
Substantially the same manner as Example 1, difference is only in that: the sisal fiber replaces with modified sisal fiber.
The modified sisal fiber the preparation method comprises the following steps: being added sisal fiber into the ammonia spirit of 0.3mol/L,
Described in the mass volume ratio of sisal fiber and ammonia spirit be 1:3 (g/mL), be 80kHz, ultrasonic wave function in ultrasonic frequency
Rate is ultrasonication 15min under conditions of 500W, obtains mixture, mixture quality then is added into gained mixture
1.5% plant extracts continues ultrasonication under conditions of ultrasonic frequency is 80kHz, ultrasonic power is 500W
20min obtains filtered fiber through 80 mesh filter-cloth filterings, then is washed with deionized water to filtered fiber, washing
It is placed at 80 DEG C dry 6h to neutrality, obtains modified sisal fiber.
The plant extracts is mixed by mint extract, the Eucalyptus extract mass ratio of 1:1 in mass ratio.
Test case 1
Anti-microbial property test: it is provided with reference to GB21551.2-2010, to the anti-microbial property of antibacterial PC master batch in embodiment 1-8
It is tested.Bacterium: Escherichia coli (ATCC25922), Candida albicans (ATCC10231) is used in detection.Specific test result is shown in Table
1。
Table 1: anti-microbial property test result table
By test result it is found that antibacterial PC master batch of the present invention has excellent anti-microbial property.
Test case 2
Limiting oxygen index determination: the oxygen index (OI) of antibacterial PC master batch in embodiment 1-8 and comparative example 1 is tested.
Test method: first by antibacterial PC master batch in embodiment 1-8 and comparative example 1 and common PC particle, (trade mark Taiwan is odd
Beautiful PC 110L is plasticized Science and Technology Ltd. purchased from Shanghai benefit thousand) it is mixed by the mass ratio of 10:90, it is being molded using conventional method
130mm × 6.5mm × 3mm experiment sample is made on machine (model AMC-350 is purchased from Shenzhen Zhong Yanshentuo Science and Technology Ltd.)
Same size PC print is made also by same method in piece, common PC particle, then using oxygen index instrument (model HC22 type,
Purchased from Jiangning, Nanjing analysis instrument factory), oxygen index (OI), ring are measured according to the oxygen index method of plastics as defined in GBT 2406.2-2009
Border temperature is controlled at 25 DEG C, and testing result is as shown in table 2.
Table 2: oxygen index (OI) test result table
Test result in comparison sheet it is found that in embodiment 1 fire retardant by diethyl zinc hypophosphite, melamine phosphate,
Composite flame-retardant agent composition, the oxygen index (OI) of gained PC print are apparently higher than embodiment 2-4 (diethyl zinc hypophosphite, melamine phosphorus
Any the two compounding of acid esters, composite flame-retardant agent) and comparative example 1 (unused fire retardant).
Test case 3
Mechanics Performance Testing: by embodiment 1 and being that antibacterial PC master batch made from strength 5-8 is added to PC resin (model
South Korea Samsung HM-3301GL is purchased from Suzhou Chi Teng plastic cement Co., Ltd) in, routinely the identical PC plastic of specification is made in technique,
Wherein the master batch and the mass ratio of PC resin are 20:80, then test tensile strength by the regulation of GB/T1040-2006 and break
Elongation is split, test equipment is LDX-100 type tensile testing machine (being purchased from Beijing Lan Demeike Science and Technology Development Co., Ltd.), test
Speed is 50mm/min.As a result as shown in table 3 below.
Table 3: mechanical experimental results table
| Group | Tensile strength/Mpa |
| PC resin | 30.1 |
| Embodiment 1 | 34.6 |
| Embodiment 5 | 51.6 |
| Embodiment 6 | 39.7 |
| Embodiment 7 | 44.8 |
| Embodiment 8 | 41.2 |
Test result in comparison sheet is it is found that fire retardant is by mint extract, bajiao banana leaf extract, Eucalyptus in embodiment 6-8
Any two kinds of components of extract are modified sisal fiber, and the mechanical property of gained PC plastic is apparently higher than 1 (sisal hemp of embodiment
Fiber is unmodified)；Further, embodiment 5 is using the plant being made of mint extract, bajiao banana leaf extract, Eucalyptus extract
Object extract is modified sisal fiber, further improves the mechanical property of PC plastic.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, therefore
The equivalent or simple change that all principles described according to the invention patent design are done, is included in the scope of protection of the patent of the present invention
It is interior；Those skilled in the art can make various modifications or additions to the described embodiments
Or be substituted in a similar manner, without departing from structure of the invention or beyond the scope defined by this claim,
It is within the scope of protection of the invention.
Claims (10)
1. a kind of antibacterial PC master batch, which is characterized in that its raw material includes: 70-100 parts of PC resin, sisal fiber in parts by mass
Or modified sisal fiber 10-50 parts, 5-10 parts of fire retardant, 5~8 parts of toughener, 1-5 parts of dispersing agent, 1-3 parts of antibacterial agent.
2. antibacterial PC master batch as described in claim 1, which is characterized in that the modified sisal fiber is the preparation method comprises the following steps: by sisal hemp
In the ammonia spirit that it is 0.1-0.3mol/L to concentration that fiber, which is added, wherein the quality volume of the sisal fiber and ammonia spirit
Than obtaining mixture after ultrasonic treatment for 1:(1-5) (g/mL)；It is subsequently added into the plant extracts of mixture quality 1-3%, after
It is continuous to be ultrasonically treated, filtered fiber is obtained after filtering, and filtered fiber is washed with water, washing to neutrality,
Modified sisal fiber is obtained after drying.
3. antibacterial PC master batch as claimed in claim 2, which is characterized in that the plant extracts includes mint extract, bajiao banana
One of leaf extract, Eucalyptus extract are a variety of.
4. antibacterial PC master batch as described in claim 1, which is characterized in that the fire retardant includes diethyl zinc hypophosphite, trimerization
One of cyanamide phosphate, composite flame-retardant agent are a variety of.
5. antibacterial PC master batch as claimed in claim 4, which is characterized in that the composite flame-retardant agent is by weight percent by following original
Material is prepared: triammonium phosphate 18-30%, barium metaborate 1-4%, magnesium hydroxide 6-12%, calcium oxide 1-3%, double Ji Wusi
Alcohol 8-15%, modifying agent 0.5-1.5%, surplus are ammonium polyphosphate.
6. PC fire-retardant master granule as claimed in claim 5, which is characterized in that the composite flame-retardant agent the preparation method comprises the following steps: press quality
Percentage weighs each raw material component；First triammonium phosphate, ammonium polyphosphate are mixed, modifying agent is added after mixing, is placed in 50-95
It is stirred at DEG C, barium metaborate, magnesium hydroxide, calcium oxide, dipentaerythritol is added after mixing, after mixing to obtain the final product.
7. antibacterial PC master batch as described in claim 1, which is characterized in that the toughener is POE-g-GMA.
8. antibacterial PC master batch as described in claim 1, which is characterized in that the dispersing agent is methyl-silicone oil and/or montanin wax.
9. antibacterial PC master batch as described in claim 1, which is characterized in that the antibacterial agent is nano zine oxide or polyhexamethylene
Guanidine phosphate.
10. a kind of preparation method of antibacterial PC master batch as described in claim 1, which comprises the following steps:
I, weighs each raw material component by mass parts composition, obtains mixture after mixing；
Above-mentioned mixture feeding double screw extruder is granulated by II, obtains antibacterial PC master batch after cooling, drying.
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