CN104961960A - Antibacterial PE (polyethylene) filling masterbatch and preparation method for same - Google Patents

Antibacterial PE (polyethylene) filling masterbatch and preparation method for same Download PDF

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Publication number
CN104961960A
CN104961960A CN201510385940.1A CN201510385940A CN104961960A CN 104961960 A CN104961960 A CN 104961960A CN 201510385940 A CN201510385940 A CN 201510385940A CN 104961960 A CN104961960 A CN 104961960A
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China
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parts
stearic acid
district
antibacterial
polyethylene
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Chinese (zh)
Inventor
舒玉法
张宗运
舒峰
王克兰
姚艳芳
季琨
马刚
刘学辉
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ANHUI YUFA PLASTIC INDUSTRY Co Ltd
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ANHUI YUFA PLASTIC INDUSTRY Co Ltd
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Priority to CN201510385940.1A priority Critical patent/CN104961960A/en
Publication of CN104961960A publication Critical patent/CN104961960A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

Abstract

The invention discloses antibacterial PE (polyethylene) filling masterbatch, which is prepared from the following components in parts by weight: 45 to 55 parts of low density PE, 10 to 15 parts of recycled PE, 4 to 6 parts of SCM (Silicon, Calcium and Magnesium) whiskers, 1 to 2 parts of stearic acid, 1 to 2 parts of PE wax, 25 to 35 parts of chitosan, 1 to 3 parts of hexamethyleneteramine, 1 to 2 parts of nanometer titania, 10 to 15 parts of tourmaline powder, 2 to 4 parts of nanometer silver oxide, 8 to 10 parts of polyhexamethyleneguanidine phosphate, 2 to 4 parts of aloe extract, 0.5 to 1 part of stearic acid, 0.3 to 0.5 part of an antioxidant 900 and 10 to 15 parts of a reinforcing agent. The antibacterial PE filling masterbatch is extruded and granulated by a conventional twin-screw extruder. A corrugated pipe machined by adding the masterbatch has the advantages of high antibacterial performance, high ring stiffness, light mass, high oxidation resistance, material saving, convenience in construction and mounting, high resistance to high and low temperature and the like.

Description

A kind of antibacterial PE filling master batch and preparation method thereof
Technical field
the present invention relates to corrugated tube filling master batch field, be specifically related to a kind of antibacterial PE filling master batch and preparation method thereof.
Background technology
along with development and the urban construction of national economy, large-bore plastics drainage pipeline substitutes conventional cement pipeline, and demand is day by day powerful.But the ring stiffness of more than 1 meter heavy caliber plastic pipeline is a difficult problem urgently to be resolved hurrily.For meeting the requirement of engineering to pipe ring rigidity, producer generally adopts lining steel plate or thickeies the way solution of tube wall, and this way cost is high, complex process.
Silicon-calcium-magnesium (being called for short SCM) whisker is a kind of silicate material of novel texture, in one-dimensional single crystal body structure, diameter is 0. 2 ~ 0. 8 μm, length is 20 ~ 60 μm, there is high mechanical property, its tensile strength is up to 1. 2 GPa, and modulus in tension is up to 32 GPa, and the filler as plastics has significantly enhancing and increases just effect.Be widely used as the Tube of high density polyethylene(HDPE) (HDPE) double-wall corrugated pipe to be a kind of outer wall be corrugated, inner wall smooth of water shoot, waste pipe, underground cable pipe, agricultural drainage and irrigation pipe at present, with same specification with intensity other class tubing compared with have that materials are economized, rigidity is high, bendability is excellent, and the feature such as high-impact, high resistance to compression, in suitable scope, instead of traditional steel pipe, cast iron pipe, cement pipe, asbestos tube and common plastics tube.But the greatest problem of puzzlement large-caliber double-wall bellow is that ring stiffness is low at present.The maximum inner diameter of present domestic double-wall corrugated pipe is 710 mm, and relevant devices producer is just at the production line of Devoting Major Efforts To Developing bore 1 600mm, and this has higher requirement to the performance of pipe material.
Summary of the invention
The object of the present invention is to provide a kind of antibacterial PE filling master batch and preparation method thereof.Filling master batch of the present invention adds to be prepared in the raw material of corrugated tube, and the corrugated tube processed has that anti-microbial property is good, ring stiffness is high, quality is light, oxidation-resistance is strong, materials are economized, construction install convenience and the advantage such as high and low temperature resistance is good.
The technical solution used in the present invention is as follows:
A kind of antibacterial PE filling master batch, it is characterized in that, be made up of the component raw material of following weight part: Low Density Polyethylene 45-55, polyethylene feed back 10-15, silicon-calcium-magnesium (SCM) whisker 4-6, stearic acid 1-2, polyethylene wax 1-2, chitosan 25-35, urotropine 1-3, nano titanium oxide 1-2, tourmaline powder 10-15, nano phase ag_2 o 2-4, polyhexamethylene guanidine phosphoric acid salt 8-10, Aloe extract 2-4, stearic acid 0.5-1, oxidation inhibitor 900 0.3-0.5, toughener 10-15
Described toughener is made up of the component raw material of following weight part: high density polyethylene(HDPE) 10-15, alkali-free glass fiber 20-30, superfine talcum powder 20-30, ABS high glue powder 10-12, paraffin 4-6, graphene oxide 10-15, silane coupling agent 0.8-1.0, stearic acid 1-2, elastomerics POE 10-15;
The preparation method of described toughener: stearic acid and superfine talcum powder are joined the process of homogenizer admixture activation; paraffin melting is added silane coupling agent and wherein stirs; then ABS high glue powder, high density polyethylene(HDPE), graphene oxide, elastomerics POE and remaining material are joined in the talcum powder after activation together; high-speed mixing uniform discharge; finally by the above-mentioned material mixed; drop in dual-screw pelletizer and carry out granulation, be toughener.
The antibacterial PE filling master batch of described one, it is characterized in that: be made up of the component raw material of following weight part: Low Density Polyethylene 50, polyethylene feed back 13, silicon-calcium-magnesium (SCM) whisker 5, stearic acid 1.5, polyethylene wax 1.5, chitosan 30, urotropine 2, nano titanium oxide 1.5, tourmaline powder 13, nano phase ag_2 o 3, polyhexamethylene guanidine phosphoric acid salt 9, Aloe extract 3, stearic acid 0.8, oxidation inhibitor 900 0.4, toughener 13
Described toughener is made up of the component raw material of following weight part: high density polyethylene(HDPE) 13, alkali-free glass fiber 25, superfine talcum powder 25, ABS high glue powder 11, paraffin 5, graphene oxide 14, silane coupling agent 0.9, stearic acid 1.5, elastomerics POE 14.
The preparation method of described a kind of antibacterial PE filling master batch, is characterized in that: comprise the following steps:
(1) each component raw material is taken by formula rate;
(2) Low Density Polyethylene, polyethylene feed back, silicon-calcium-magnesium (SCM) whisker and polyethylene wax are first joined in high-speed kneading machine, high-speed kneading 12-15min, then the remaining components such as chitosan, urotropine, nano titanium oxide, tourmaline powder, nano phase ag_2 o, polyhexamethylene guanidine phosphoric acid salt, Aloe extract, stearic acid, oxidation inhibitor 900, toughener are joined in batch mixing, continue high-speed kneading and stir 20-35min, discharging;
(3) the material extruding pelletization on the twin screw extruder of will release, extrude each district temperature: district's temperature (130 ~ 145) DEG C, two district's temperature (145 ~ 155) DEG C, three district's temperature (155 ~ 165) DEG C, four district's temperature (165 ~ 175) DEG C, five district's temperature (175 ~ 185) DEG C, six or seven district's temperature (185 ~ 195) DEG C, engine speed is 200 ~ 300r/min, discharging, extrudes rear cooling, drying, pelletizing.
The antibacterial PE filling master batch of described one, is characterized in that: described silicon-calcium-magnesium (SCM) whisker is produced by Mianyang, Sichuan decent job type material company limited.
beneficial effect:
Filling master batch of the present invention, silicon-calcium-magnesium (SCM) whisker is added with in formula, silicon-calcium-magnesium (SCM) whisker and polyethylene recombination energy improve the ring stiffness of corrugated tube, inorganic fungicide mix the compound PE material making to add this masterbatch there is antibacterial effect, the interpolation of composite antioxidant adds the oxidation-resistance of corrugated tube, adding of self-control toughener, substantially increase the tensile strength of plastics, flexural strength and Young's modulus, heat-drawn wire, dimensional stability can also be improved simultaneously, reduce the process for processing cost of heavy caliber corrugated tube.Add corrugated tube that masterbatch of the present invention processes and have that ring stiffness is high, quality is light, oxidation-resistance is strong, antibacterial, materials are economized, construction install convenience and the advantage such as high and low temperature resistance is good.
The application adopts ABS high glue powder, silane coupling agent to graphene oxide modification, increase the consistency of graphene oxide and plastic material, play enhancement, wherein when granulation, graphene oxide is subject to high temperature action, also be equivalent to modification, add its dispersiveness, improve and plastics stable composition.
Embodiment
A kind of antibacterial PE filling master batch, be made up of the component raw material of following weight (kg): Low Density Polyethylene 50, polyethylene feed back 13, silicon-calcium-magnesium (SCM) whisker 5, stearic acid 1.5, polyethylene wax 1.5, chitosan 30, urotropine 2, nano titanium oxide 1.5, tourmaline powder 13, nano phase ag_2 o 3, polyhexamethylene guanidine phosphoric acid salt 9, Aloe extract 3, stearic acid 0.8, oxidation inhibitor 900 0.4, toughener 13
Toughener is made up of the component raw material of following weight (kg): high density polyethylene(HDPE) 13, alkali-free glass fiber 25, superfine talcum powder 25, ABS high glue powder 11, paraffin 5, graphene oxide 14, silane coupling agent 0.9, stearic acid 1.5, elastomerics POE 14.
The preparation method of antibacterial PE filling master batch, comprises the following steps:
(1) each component raw material is taken by formula rate;
(2) Low Density Polyethylene, polyethylene feed back, silicon-calcium-magnesium (SCM) whisker and polyethylene wax are first joined in high-speed kneading machine, high-speed kneading 12-15min, then the remaining components such as chitosan, urotropine, nano titanium oxide, tourmaline powder, nano phase ag_2 o, polyhexamethylene guanidine phosphoric acid salt, Aloe extract, stearic acid, oxidation inhibitor 900, toughener are joined in batch mixing, continue high-speed kneading and stir 20-35min, discharging;
(3) the material extruding pelletization on the twin screw extruder of will release, extrude each district temperature: district's temperature (130 ~ 145) DEG C, two district's temperature (145 ~ 155) DEG C, three district's temperature (155 ~ 165) DEG C, four district's temperature (165 ~ 175) DEG C, five district's temperature (175 ~ 185) DEG C, six or seven district's temperature (185 ~ 195) DEG C, engine speed is 200 ~ 300r/min, discharging, extrudes rear cooling, drying, pelletizing.
Wherein, the preparation method of toughener: stearic acid and superfine talcum powder are joined the process of homogenizer admixture activation; paraffin melting is added silane coupling agent and wherein stirs; then ABS high glue powder, high density polyethylene(HDPE), graphene oxide, elastomerics POE and remaining material are joined in the talcum powder after activation together; high-speed mixing uniform discharge; finally by the above-mentioned material mixed, drop in dual-screw pelletizer and carry out granulation, be toughener.
Wherein, silicon-calcium-magnesium (SCM) whisker is produced by Mianyang, Sichuan decent job type material company limited.
In the inside and outside layer formula of HDPE double-wall corrugated pipe, add the double-wall corrugated pipe that filling master batch of the present invention 30 parts of obtained thickness are 3.5 mm, internal diameter is 600 mm, and test its over-all properties, its result is as shown in table 1.
The over-all properties of table 1 HDPE/ filling master batch double-wall corrugated pipe
Project Technical indicator Measured value
Ring stiffness/kPa ≥8 14.4
Flattening test Be depressed into external diameter distortion 40%, crack-free Crack-free
Hydro-test Ne-leakage, not break Ne-leakage, not break
Creep rate/% ≤4 1.95
" meter Chong "/kg m-1 22.6
As can be seen from Table 1, by filling master batch of the present invention and HDPE blended, can improve the ring stiffness of double-wall corrugated pipe, the creep rate of HDPE double-wall corrugated pipe is low, and " meter Chong " is little.

Claims (4)

1. an antibacterial PE filling master batch, it is characterized in that, be made up of the component raw material of following weight part: Low Density Polyethylene 45-55, polyethylene feed back 10-15, silicon-calcium-magnesium (SCM) whisker 4-6, stearic acid 1-2, polyethylene wax 1-2, chitosan 25-35, urotropine 1-3, nano titanium oxide 1-2, tourmaline powder 10-15, nano phase ag_2 o 2-4, polyhexamethylene guanidine phosphoric acid salt 8-10, Aloe extract 2-4, stearic acid 0.5-1, oxidation inhibitor 900 0.3-0.5, toughener 10-15
Described toughener is made up of the component raw material of following weight part: high density polyethylene(HDPE) 10-15, alkali-free glass fiber 20-30, superfine talcum powder 20-30, ABS high glue powder 10-12, paraffin 4-6, graphene oxide 10-15, silane coupling agent 0.8-1.0, stearic acid 1-2, elastomerics POE 10-15;
The preparation method of described toughener: stearic acid and superfine talcum powder are joined the process of homogenizer admixture activation; paraffin melting is added silane coupling agent and wherein stirs; then ABS high glue powder, high density polyethylene(HDPE), graphene oxide, elastomerics POE and remaining material are joined in the talcum powder after activation together; high-speed mixing uniform discharge; finally by the above-mentioned material mixed; drop in dual-screw pelletizer and carry out granulation, be toughener.
2. the antibacterial PE filling master batch of one according to claim 1, it is characterized in that: be made up of the component raw material of following weight part: Low Density Polyethylene 50, polyethylene feed back 13, silicon-calcium-magnesium (SCM) whisker 5, stearic acid 1.5, polyethylene wax 1.5, chitosan 30, urotropine 2, nano titanium oxide 1.5, tourmaline powder 13, nano phase ag_2 o 3, polyhexamethylene guanidine phosphoric acid salt 9, Aloe extract 3, stearic acid 0.8, oxidation inhibitor 900 0.4, toughener 13
Described toughener is made up of the component raw material of following weight part: high density polyethylene(HDPE) 13, alkali-free glass fiber 25, superfine talcum powder 25, ABS high glue powder 11, paraffin 5, graphene oxide 14, silane coupling agent 0.9, stearic acid 1.5, elastomerics POE 14.
3. the preparation method of a kind of antibacterial PE filling master batch as claimed in claim 1, is characterized in that: comprise the following steps:
(1) each component raw material is taken by formula rate;
(2) Low Density Polyethylene, polyethylene feed back, silicon-calcium-magnesium (SCM) whisker and polyethylene wax are first joined in high-speed kneading machine, high-speed kneading 12-15min, then the remaining components such as chitosan, urotropine, nano titanium oxide, tourmaline powder, nano phase ag_2 o, polyhexamethylene guanidine phosphoric acid salt, Aloe extract, stearic acid, oxidation inhibitor 900, toughener are joined in batch mixing, continue high-speed kneading and stir 20-35min, discharging;
(3) the material extruding pelletization on the twin screw extruder of will release, extrude each district temperature: district's temperature (130 ~ 145) DEG C, two district's temperature (145 ~ 155) DEG C, three district's temperature (155 ~ 165) DEG C, four district's temperature (165 ~ 175) DEG C, five district's temperature (175 ~ 185) DEG C, six or seven district's temperature (185 ~ 195) DEG C, engine speed is 200 ~ 300r/min, discharging, extrudes rear cooling, drying, pelletizing.
4. the antibacterial PE filling master batch of one according to claim 1, is characterized in that: described silicon-calcium-magnesium (SCM) whisker is produced by Mianyang, Sichuan decent job type material company limited.
CN201510385940.1A 2015-07-02 2015-07-02 Antibacterial PE (polyethylene) filling masterbatch and preparation method for same Pending CN104961960A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105504451A (en) * 2016-01-07 2016-04-20 苏州法斯特信息科技有限公司 Anti-bacterial composite high density polyethylene material and preparation method thereof
CN105924728A (en) * 2016-05-30 2016-09-07 南京禾宇化工有限公司 Antibacterial plastic material and preparation method thereof
CN106009152A (en) * 2016-05-30 2016-10-12 南京禾宇化工有限公司 High-strength antibiosis plastic and preparation method thereof
CN106496733A (en) * 2016-10-19 2017-03-15 安徽杰蓝特新材料有限公司 A kind of inorganic nano antibacterial material for being applied to polyethylene double-wall corrugated pipe
CN106633310A (en) * 2016-12-29 2017-05-10 青岛海之星生物科技有限公司 Antibacterial and mould-proof polyethylene compound plastic masterbatch
CN108047531A (en) * 2017-12-11 2018-05-18 五邑大学 A kind of antibacterial matrices and preparation method thereof
CN111363225A (en) * 2020-04-02 2020-07-03 启东纽昇塑胶科技有限公司 Chemical crosslinking foaming agent master batch and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103849037A (en) * 2012-12-04 2014-06-11 青岛三利中德美水设备有限公司 High-performance filling masterbatch for polyethylene

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103849037A (en) * 2012-12-04 2014-06-11 青岛三利中德美水设备有限公司 High-performance filling masterbatch for polyethylene

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105504451A (en) * 2016-01-07 2016-04-20 苏州法斯特信息科技有限公司 Anti-bacterial composite high density polyethylene material and preparation method thereof
CN105924728A (en) * 2016-05-30 2016-09-07 南京禾宇化工有限公司 Antibacterial plastic material and preparation method thereof
CN106009152A (en) * 2016-05-30 2016-10-12 南京禾宇化工有限公司 High-strength antibiosis plastic and preparation method thereof
CN105924728B (en) * 2016-05-30 2018-06-12 南京禾宇化工有限公司 A kind of antibiotic plastic and preparation method thereof
CN106496733A (en) * 2016-10-19 2017-03-15 安徽杰蓝特新材料有限公司 A kind of inorganic nano antibacterial material for being applied to polyethylene double-wall corrugated pipe
CN106633310A (en) * 2016-12-29 2017-05-10 青岛海之星生物科技有限公司 Antibacterial and mould-proof polyethylene compound plastic masterbatch
CN108047531A (en) * 2017-12-11 2018-05-18 五邑大学 A kind of antibacterial matrices and preparation method thereof
CN108047531B (en) * 2017-12-11 2021-03-26 五邑大学 Antibacterial masterbatch and preparation method thereof
CN111363225A (en) * 2020-04-02 2020-07-03 启东纽昇塑胶科技有限公司 Chemical crosslinking foaming agent master batch and preparation method thereof

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Application publication date: 20151007