CN105837918A - Macromolecule quaternary ammonium salt antibacterial pipe and preparation method thereof - Google Patents

Macromolecule quaternary ammonium salt antibacterial pipe and preparation method thereof Download PDF

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Publication number
CN105837918A
CN105837918A CN201610433941.3A CN201610433941A CN105837918A CN 105837918 A CN105837918 A CN 105837918A CN 201610433941 A CN201610433941 A CN 201610433941A CN 105837918 A CN105837918 A CN 105837918A
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China
Prior art keywords
antibacterial
parts
layer
pipe
ammonium salt
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Pending
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CN201610433941.3A
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Chinese (zh)
Inventor
刘勇
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Hefei Puerfei Electric Wire Technology Co Ltd
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Hefei Puerfei Electric Wire Technology Co Ltd
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Priority to CN201610433941.3A priority Critical patent/CN105837918A/en
Publication of CN105837918A publication Critical patent/CN105837918A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02Homopolymers or copolymers of hydrocarbons
    • C08L25/04Homopolymers or copolymers of styrene
    • C08L25/06Polystyrene
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a macromolecule quaternary ammonium salt antibacterial pipe and a preparation method thereof. The method comprises the following steps: (1) preparing antibacterial master batch, namely mixing and extruding 15-35 parts of polyethylene, 25-35 parts of nano vermiculite powder, 10-15 parts of silane coupling agent, 25-35 parts of dodecyl dimethyl benzyl ammonium bromide, 2-8 parts of atactic polypropylene (APP) and 2-8 parts of octadecanamide so as to prepare antibacterial mother batch, and controlling the temperature within 170-200 DEG C; and (2) preparing a pipe, namely mixing 70-80 parts by weight of antibacterial mother batch obtained in the step (1) and 20-30 parts by weight of polyethylene, extruding by virtue of an inner wall-layer extruder of a three-layer co-extrusion plastic extruder or a two-layer co-extrusion plastic extruder, controlling the working temperature within 170-190 DEG C, and performing extrusion and injection molding of the mixture on the inner wall of the plastic antibacterial pipe, thereby forming an inner wall quaternary ammonium salt antibacterial layer. The macromolecule quaternary ammonium salt antibacterial pipe has the beneficial effects that 1, nano vermiculite serves as an antibacterial carrier and an antibacterial body, the nano vermiculite has a rich pore surface and largest surface area and can be best subjected to covalent grafting with an organic quaternary ammonium salt antibacterial agent.

Description

A kind of high molecular quaternary antibacterial pipe and preparation method thereof
Technical field
The present invention relates to plastic pipe field, more specifically, it relates to a kind of high molecular quaternary antibacterial pipe and preparation thereof Method.
Background technology
At present, plastic does anti-biotic material frequently with argentum powder, zinc powder, copper powder or uses argentum powder metal dust and nanometer two Silicon oxide antibacterial is used for preparing plastic pipe, and its deficiency is: metal antibacterial agent has heavy metal pollution, metal powder grain easily to take off Falling, argentum powder antibacterial is the most expensive, and antibiotic rate is the highest;Also have employing quaternary ammonium salt antibacterial, season phosphonium salt class antibacterial, halogenated amine Class antibacterial, but all see for antiseptic fabric;Rare see quaternary ammonium salt and nano-silicon dioxide antibacterial agent carrying, for plastic tube, and And quaternary ammonium salt and nano-silicon dioxide antibacterial agent carrying, make plastic antibiotic rate the highest.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of high molecular quaternary antibacterial pipe and preparation thereof Method.
It is an object of the invention to be achieved through the following technical solutions.This high molecular quaternary antibacterial pipe, including antibacterial Pipe body layer and inwall quaternary ammonium salt antibiotic layer, described inwall quaternary ammonium salt antibiotic layer by the antibacterial matrices of 70~80 weight portions and The polyethylene of 20~30 weight portions is prepared from, and antibacterial matrices therein is prepared by weight ratio by following raw material: poly- Ethylene 15-35 part, nanometer vermiculite powder 20-35 part, silane coupler 10-15 part, dodecyl dimethyl benzyl ammonium bromide 25- 35 parts, random polypropylene APP 2-8 part and stearic amide 2-8 part.
As preferably, described antibacterial matrices by following raw material by weight ratio: polyethylene 20 parts, nanometer vermiculite powder 30 Part, silane coupler 12 parts, dodecyl dimethyl benzyl ammonium bromide 30 parts, random polypropylene APP 5 parts, stearic amide 3 Part.
The preparation method of high molecular quaternary antibacterial pipe of the present invention, the method comprises the steps:
(1), prepared by antibacterial matrices: by polyethylene 15-35 part, nanometer vermiculite powder 25-35 part, silane coupler 10-15 part, ten Dialkyl dimethyl Benzylphosphonium Bromide ammonium 25-35 part, random polypropylene APP 2-8 part and stearic amide 2-8 part, by mixing, Expressing technique prepares antibacterial matrices, between temperature controls 170 DEG C to 200 DEG C;
(2), prepared by antibacterial pipe: by antibacterial matrices 70~80 weight portion and the mixing of polyethylene 20~30 weight portion of step (1), Inner wall layer extruder through three-layer co-extruded plastic extruder or two layer coextruded plastic extruders is extruded, and operating temperature controls 170 DEG C~190 DEG C, extrusion is moulded in the inwall of plastics antibacterial pipe, forms inwall quaternary ammonium salt antibiotic layer;By plastic resin 80 parts, Precipitated calcium carbonate 10 parts, additive 5 parts and random polypropylene 5 parts, through three-layer co-extruded plastic extruder or two layers of co-extrusion extruder Body layer extrusion, extrusion temperature controls at 175 degree to 210 degree, formation antibacterial pipe body layer;By plastic resin and color masterbatch, Extruding through three-layer co-extruded plastic extruder signals layer, extrusion temperature controls at 175 degree to 210 degree, forms antibacterial pipe signals layer; Inwall quaternary ammonium salt antibiotic layer, antibacterial pipe body layer and antibacterial pipe signals layer are at die head extrusion molding, i.e. an antibacterial pipe.
As preferably, described plastic resin is polyethylene, polypropylene or polystyrene.
As preferably, described additive is hard acid ester, antioxidant, toughener ABS or stain.
The invention has the beneficial effects as follows: 1, through our company's tightly handsome choosing and research and development, use nanometer vermiculite as antibacterial load Body and antibacterial body, nanoscale Vermiculitum has abundant pore surfaces, has the surface area of maximum, it is possible to best covalence graft Organic quaternary ammonium salt antibacterial.2, nanometer vermiculite, itself is rich in cationes such as magnesium, potassium, aluminum, calcium, it is possible to invade bacteria cell wall with Anion binding, kills bacterial cell.These cationes have stronger sterilization antibacterial action.3, nanometer vermiculite covalence graft Benzylphosphonium Bromide ammonium, Vermiculitum antibacterial obtains fine modification, and inorganic vermiculite organises, and antibiotic rate is effectively improved.4, nanometer vermiculite resists Bacterium heat resistance is good, good heat-insulation effect, processing temperature 200 DEG C, compares other anti-biotic material mass losses minimum, and antibacterial have Effect property loss reduction.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of antibacterial pipe of the present invention;
Description of reference numerals: inwall quaternary ammonium salt antibiotic layer 1, antibacterial pipe body layer 2, antibacterial pipe signals layer 3.
Detailed description of the invention
Below by detailed description of the invention and accompanying drawing, the present invention is further elaborated, and embodiment will facilitate a better understanding of The present invention, but the present invention is not limited only to following embodiment.
Embodiment 1: this high molecular quaternary antibacterial pipe, including antibacterial pipe body layer 2 and inwall quaternary ammonium salt antibiotic layer 1, Described inwall quaternary ammonium salt antibiotic layer 1 is by the antibacterial matrices of 70~80 weight portions and the polyethylene preparation of 20~30 weight portions Become, antibacterial matrices therein by following raw material by weight ratio: polyethylene 20 parts, 30 parts of nanometer vermiculite powder, silane coupler 12 parts, dodecyl dimethyl benzyl ammonium bromide 30 parts, random polypropylene APP 5 parts, stearic amide 3 parts.
The preparation method of high molecular quaternary antibacterial pipe of the present invention, the method comprises the steps:
(1), antibacterial matrices is prepared: by polyethylene 20 parts, 30 parts of nanometer vermiculite powder, silane coupler 12 parts, dimethyl Base Benzylphosphonium Bromide ammonium 30 parts, random polypropylene APP 5 parts and stearic amide 3 parts, prepare antibacterial by mixing, expressing technique Master batch, between temperature controls 170 DEG C to 200 DEG C, best results;
(2), tubulation: by antibacterial matrices 75 weight portion and the mixing of polyethylene 25 weight portion of step (1), mould through three-layer co-extruded The inner wall layer extruder extrusion of material extruder or two layer coextruded plastic extruders, operating temperature controls at 180 DEG C, best results, Extrusion is moulded in the inwall of plastic tube, forms inwall quaternary ammonium salt antibiotic layer 1;By plastic resin (polyethylene, polypropylene, polyphenyl second The one of alkene) 80 parts, precipitated calcium carbonate 10 parts, additive 5 parts (hard acid ester, antioxidant, toughener ABS, stain etc.), nothing Isotactic polypropylene 5 parts, through the body layer extrusion of three-layer co-extruded plastic extruder or two layers of co-extrusion extruder, extrusion temperature controls 175 degree to 210 degree, form antibacterial pipe body layer 2;By resin and plastic (polyethylene, polypropylene, polystyrene are a kind of), color masterbatch Material, extrudes through three-layer co-extruded plastic extruder signals layer, and extrusion temperature controls at 175 degree to 210 degree, forms antibacterial pipe signal Layer 3;Quaternary ammonium salt antibiotic layer 1, antibacterial pipe body layer 2 and antibacterial pipe signals layer 3, a die head extrusion molding, obtain quaternary ammonium Salt antibacterial pipe.
Embodiment 2: difference from Example 1 is: described antibacterial matrices is made by weight ratio by following raw material For forming: polyethylene 30 parts, 25 parts of nanometer vermiculite powder, silane coupler 15 parts, dodecyl dimethyl benzyl ammonium bromide 25 Part, random polypropylene APP 3 parts and stearic amide 2 parts.
Embodiment 3: be with embodiment difference: described antibacterial matrices is prepared by weight ratio by following raw material Form: polyethylene 35 parts, 20 parts of nanometer vermiculite powder, silane coupler 10 parts, dodecyl dimethyl benzyl ammonium bromide 25 parts, Random polypropylene APP 5 parts and stearic amide 5 parts.
It is understood that above-mentioned detailed description of the invention limits technical scheme the most in any form, every adopt The technical scheme obtained by the mode of equivalent or equivalence exchange belongs to protection scope of the present invention.

Claims (5)

1. a high molecular quaternary antibacterial pipe, including antibacterial pipe body layer (2) and inwall quaternary ammonium salt antibiotic layer (1), its feature It is: described inwall quaternary ammonium salt antibiotic layer (1) is by the antibacterial matrices of 70~80 weight portions and the polyethylene of 20~30 weight portions Being prepared from, antibacterial matrices therein is prepared by weight ratio by following raw material: polyethylene 15-35 part, nanometer vermiculite Powder 20-35 part, silane coupler 10-15 part, dodecyl dimethyl benzyl ammonium bromide 25-35 part, random polypropylene APP 2-8 Part and stearic amide 2-8 part.
High molecular quaternary antibacterial pipe the most according to claim 1, it is characterised in that: described antibacterial matrices is by following Raw material is by weight ratio: polyethylene 20 parts, 30 parts of nanometer vermiculite powder, silane coupler 12 parts, dodecyl dimethyl benzyl Ammonium bromide 30 parts, random polypropylene APP 5 parts, stearic amide 3 parts.
3. the method preparing high molecular quaternary antibacterial pipe as claimed in claim 1, it is characterised in that: the method includes Following steps:
(1), prepared by antibacterial matrices: by polyethylene 15-35 part, nanometer vermiculite powder 25-35 part, silane coupler 10-15 part, ten Dialkyl dimethyl Benzylphosphonium Bromide ammonium 25-35 part, random polypropylene APP 2-8 part and stearic amide 2-8 part, by mixing, Expressing technique prepares antibacterial matrices, between temperature controls 170 DEG C to 200 DEG C;
(2), prepared by antibacterial pipe: by antibacterial matrices 70~80 weight portion and the mixing of polyethylene 20~30 weight portion of step (1), Inner wall layer extruder through three-layer co-extruded plastic extruder or two layer coextruded plastic extruders is extruded, and operating temperature controls 170 DEG C~190 DEG C, extrusion is moulded in the inwall of plastics antibacterial pipe, forms inwall quaternary ammonium salt antibiotic layer (1);By plastic resin 80 Part, precipitated calcium carbonate 10 parts, additive 5 parts and random polypropylene 5 parts, squeeze through three-layer co-extruded plastic extruder or two layers of co-extrusion Going out the body layer extrusion of machine, extrusion temperature controls at 175 degree to 210 degree, forms antibacterial pipe body layer (2);By plastic resin and Color masterbatch, extrudes through three-layer co-extruded plastic extruder signals layer, and extrusion temperature controls at 175 degree to 210 degree, forms antibacterial pipe Signals layer (3);Inwall quaternary ammonium salt antibiotic layer (1), antibacterial pipe body layer (2) and antibacterial pipe signals layer (3) squeeze at a die head Go out molding, i.e. antibacterial pipe.
The preparation method of high molecular quaternary antibacterial pipe the most according to claim 3, it is characterised in that: described plastic tree Fat is polyethylene, polypropylene or polystyrene.
The preparation method of high molecular quaternary antibacterial pipe the most according to claim 3, it is characterised in that: described additive For hard acid ester, antioxidant, toughener ABS or stain.
CN201610433941.3A 2016-06-18 2016-06-18 Macromolecule quaternary ammonium salt antibacterial pipe and preparation method thereof Pending CN105837918A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104448476A (en) * 2014-11-19 2015-03-25 杭州联通管业有限公司 High polymer quaternary ammonium salt antibacterial tube and preparation method thereof
CN104847971A (en) * 2015-06-08 2015-08-19 安徽美腾特种电缆材料有限公司 Polymer quaternary ammonium antibacterial tube and manufacture method thereof
CN104844911A (en) * 2015-06-07 2015-08-19 安徽华美高分子材料科技有限公司 Polymer quaternary ammonium salt antibacterial tube and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104448476A (en) * 2014-11-19 2015-03-25 杭州联通管业有限公司 High polymer quaternary ammonium salt antibacterial tube and preparation method thereof
CN104844911A (en) * 2015-06-07 2015-08-19 安徽华美高分子材料科技有限公司 Polymer quaternary ammonium salt antibacterial tube and preparation method thereof
CN104847971A (en) * 2015-06-08 2015-08-19 安徽美腾特种电缆材料有限公司 Polymer quaternary ammonium antibacterial tube and manufacture method thereof

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Application publication date: 20160810