CN105860351A - 70-DEG C protective-layer-level soft polyvinyl chloride butyronitrile material - Google Patents
70-DEG C protective-layer-level soft polyvinyl chloride butyronitrile material Download PDFInfo
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- CN105860351A CN105860351A CN201610279250.2A CN201610279250A CN105860351A CN 105860351 A CN105860351 A CN 105860351A CN 201610279250 A CN201610279250 A CN 201610279250A CN 105860351 A CN105860351 A CN 105860351A
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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
- C08L27/00—Compositions 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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Manufacturing Of Micro-Capsules (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a 70-DEG C protective-layer-level soft polyvinyl chloride butyronitrile material. The material is prepared from, by weight, 44-47 parts of polyvinyl chloride, 36-38 parts of butadiene-acrylonitrile rubber, 12-16 parts of polytetrafluoroethylene, 16-18 parts of high-integration-performance titanium dioxide micro-capsules, 12-15 parts of calcium carbonate, 6-9 parts of carbon black, 3-5 parts of magnesium oxide, 2-4 parts of stearic acid, 0.4-0.7 part of bisphenol A, 1.8-2.2 parts of dibutyltin maleate laurate, 0.8-1.2 parts of sulphur, 2.2-2.5 parts of accelerant TMTD, 1-1.3 parts of antioxidant, 2-4 parts of chlorinated paraffin, 0.3-0.6 part of epoxy fatty acid butyl ester and 1.2-1.5 parts of triphenyl phosphite.
Description
Technical field
The present invention relates to flexible PVC elastic material technical field, particularly relate to a kind of 70 degrees Celsius of sheath levels soft
Polrvinyl chloride butyronitrile material.
Background technology
Nitrile rubber is to be prepared through emulsion polymerization by butadiene and acrylonitrile, and main have splendid oil resistance,
Wearability is higher simultaneously, thermostability is preferable.The polarity of nitrile rubber is very strong, has preferably with polrvinyl chloride
The compatibility, the polrvinyl chloride butyronitrile material pliability made is good, tensile property is excellent, but, due to add
The fusion performance of reinforcing filler the best, cause its intensity, tear resistance, anti-wear performance to be had a greatly reduced quality.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of 70 degrees Celsius of soft polychlorostyrene of sheath level
Ethylene butyronitrile material, has good anti-wear performance, tear resistance and higher intensity.
70 degrees Celsius of sheath level flexible PVC butyronitrile material of one that the present invention proposes, its raw material wraps by weight
Include: polrvinyl chloride 44-47 part, nitrile rubber 36-38 part, politef 15-18 part, high amalgamation dioxy
Change titanium microcapsule 16-18 part, calcium carbonate 12-15 part, white carbon black 6-9 part, magnesium oxide 3-5 part, stearic acid 2-4 part is double
Phenol A 0.4-0.7 part, lauric acid dibutyitin maleate 1.8-2.2 part, sulfur 0.8-1.2 part, Vulcanization accelerator TMTD
2.2-2.5 part, antioxidant TNP 1-1.3 part, chlorinated paraffin 2-4 part, butyl ester of epoxy fatty acid 0.3-0.6 part is sub-
Triphenyl phosphate 1.2-1.5 part.
Preferably, the preparation process of high amalgamation titanium dioxide microcapsule is: by deionized water, detergent alkylate
Sodium sulfonate, sodium lauryl sulphate add the first process equipment, be passed through nitrogen and carry out in the first process equipment
Gas displacement, then heats up；Then core monomer mixture and Ammonium persulfate. are added the first process equipment,
Adition process is stirred continuously；Then it is incubated；Continuously adding nano titanium oxide, ultrasonic disperse is strengthened
Core material；Then regulate pH value, continuously add shell monomer mixture, Ammonium persulfate. is added dropwise to the first processing
Equipment, is stirred continuously in adition process；After insulation, cooling, centrifugation, washing, it is dried to obtain Gao Rong
Conjunction property titanium dioxide microcapsule.
Preferably, in the preparation process of high amalgamation titanium dioxide microcapsule, core monomer mixture is by methyl
Acrylic acid methyl ester., methacrylate, n-BMA are by weight for 20-23:15-18:7-10
It is mixed.
Preferably, in the preparation process of high amalgamation titanium dioxide microcapsule, shell monomer mixture be by styrene,
Butyl acrylate, N,N methylene bis acrylamide are mixed for 22-25:9-12:1-2 by weight.
Preferably, the preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 90-100 part deionization
Water, 3.2-3.5 part dodecylbenzene sodium sulfonate, 2-2.3 part sodium lauryl sulphate add the first process equipment, to
First process equipment is passed through nitrogen and carries out gas displacement, then heat up；Then 20-22 part core monomer is mixed
Compound and 0.8-1 part Ammonium persulfate. add the first process equipment, are stirred continuously in adition process；Then it is incubated；
Continuously add 2.4-2.7 part nano titanium oxide ultrasonic disperse to obtain strengthening core material；Then pH value is regulated,
Continuously add 20-23 part shell monomer mixture, 0.4-0.7 part Ammonium persulfate. is added dropwise to the first process equipment, adds
During be stirred continuously；After insulation, cooling, centrifugation, washing, it is dried to obtain high amalgamation titanium dioxide
Titanium microcapsule.
Preferably, the preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 90-100 part deionization
Water, 3.2-3.5 part dodecylbenzene sodium sulfonate, 2-2.3 part sodium lauryl sulphate add the first process equipment, to
First process equipment is passed through nitrogen and carries out gas displacement, then heat to 66-69 DEG C；Then by 20-22 part core
Heart monomer mixture and 0.8-1 part Ammonium persulfate. add the first process equipment, and the joining day is 27-30min, adds
It is stirred continuously during entering；Then 60-65min it is incubated；Continuously add ultrasonic point of 2.4-2.7 part nano titanium oxide
Dissipating the power obtaining strengthening core material ultrasonic disperse is 350-400W, and the power of ultrasonic disperse is 50-55kHz,
The time of ultrasonic disperse is 16-18min；Then regulation pH value is to 8.3-8.6, continuously adds 20-23 part shell monomer
Mixture, 0.4-0.7 part Ammonium persulfate. are added dropwise to the first process equipment, and the time of addition is 45-48min, add
During be stirred continuously；After insulation 33-36min, it is cooled to 24-27 DEG C, centrifugation, washing, it is dried
To high amalgamation titanium dioxide microcapsule.
Preferably, polrvinyl chloride, nitrile rubber, the weight ratio of politef are 45-46:36-37:16-17.
Preferably, its raw material includes by weight: polrvinyl chloride 45-46 part, nitrile rubber 36-37 part, poly-four
Fluorothene 16-17 part, high amalgamation titanium dioxide microcapsule 16.5-17 part, calcium carbonate 13-14 part, white carbon black 7-8 part,
Magnesium oxide 3.5-4.5 part, stearic acid 2.5-3 part, bisphenol-A 0.5-0.6 part, lauric acid dibutyitin maleate 1.9-2.1
Part, sulfur 0.9-1.1 part, Vulcanization accelerator TMTD 2.3-2.4 part, antioxidant TNP 1.1-1.2 part, chlorinated paraffin
2.5-3.5 part, butyl ester of epoxy fatty acid 0.4-0.5 part, triphenyl phosphite 1.3-1.4 part.
In high amalgamation titanium dioxide microcapsule preparation process, with methyl methacrylate, methacrylate,
The monomers such as n-BMA prepare core, and by titanium dioxide by the cavitation of supersound process with
Core height merges；Then with styrene, butyl acrylate as shell monomer, under weakly alkaline environment, core is wrapped up
The heart, thus form housing, " core-shell " structural materials be performing centrifugal separation on, wash, being dried to obtain, energy
Enough and polrvinyl chloride height merges, and improves the anti-wear performance of the present invention, intensity and tear resistance simultaneously；System
During Bei, dodecylbenzene sodium sulfonate is as the interpolation of anion surfactant, it is possible to coordinate emulsifying agent
Sodium lauryl sulphate, moistening participates in the material of reaction, improves reaction rate and quality；And preparation process begins
It is in eventually in nitrogen atmosphere, it is possible to avoid the oxygen in air to participate in reaction, thus destroy " core-shell " knot
The formation of structure material；Three kinds of materials in core monomer mixture, it is possible in the effect of initiator ammonium persulfate
Under, rapid fusion formation molecular structure is firm, the polymer of even particle size, and adds nanometer titanium dioxide
Titanium sonicated obtaining strengthen core material, substantially increase the intensity of the present invention, anti-wear performance；Connect
In the shell monomer mixture put into and comprise two kinds of shell monomers and cross-linking agent N,N methylene bis acrylamide, energy
Enough under initiator ammonium persulfate effect, Quick cross-linking forms thin film, is coated on core surfaces, is formed continuously
Uniform housing, and this housing can merge with polrvinyl chloride height, and have very with unclassified stores of the present invention
Good linking power, thus tear resistance and the pliability of the present invention are greatly improved.
The present invention coordinates as major ingredient, in sulfur, promotion using polrvinyl chloride, nitrile rubber, politef
Under agent TMTD and plasticizer butyl ester of epoxy fatty acid synergism, Quick cross-linking forms firm molecular structure,
There is splendid tear resistance, pliability and processing characteristics, physical and chemical performance；High amalgamation titanium dioxide
The reinforcing fillers such as titanium microcapsule and calcium carbonate, white carbon black, magnesium oxide with the use of, improve reinforcing filler with
The amalgamation of major ingredient of the present invention, enhances the anti-wear performance of the present invention；Stearic acid, bisphenol-A coordinate, and increase
The effect of cross link force between the various material of the present invention；And lauric acid dibutyitin maleate, triphenyl phosphite
Coordinate as heat stabilizer, it is possible to together with antioxidant TNP, chlorinated paraffin, improve the stability of the present invention,
Reduce the present invention and aoxidize risk, increase the service life.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
70 degrees Celsius of sheath level flexible PVC butyronitrile material of one that the present invention proposes, its raw material wraps by weight
Include: polrvinyl chloride 47 parts, nitrile rubber 36 parts, politef 18 parts, high amalgamation titanium dioxide microcapsule
16 parts, calcium carbonate 15 parts, white carbon black 6 parts, magnesium oxide 5 parts, stearic acid 2 parts, bisphenol-A 0.7 part, lauric acid horse
Come sour dibutyl tin 1.8 parts, 1.2 parts of sulfur, Vulcanization accelerator TMTD 2.2 parts, antioxidant TNP 1.3 parts, chlorination
2 parts of paraffin, butyl ester of epoxy fatty acid 0.6 part, triphenyl phosphite 1.2 parts.
The preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 100 parts of deionized waters, 3.2 part ten
Dialkyl benzene sulfonic acids sodium, 2.3 parts of sodium lauryl sulphates add the first process equipment, in the first process equipment
It is passed through nitrogen and carries out gas displacement, then heat to 66 DEG C；Then by 22 parts of core monomer mixture and 0.8 part
Ammonium persulfate. adds the first process equipment, and the joining day is 30min, is stirred continuously in adition process；Then protect
Temperature 60min；Continuously add 2.7 parts of nano titanium oxide ultrasonic disperse and obtain strengthening the merit of core material ultrasonic disperse
Rate is 350W, and the power of ultrasonic disperse is 55kHz, and the time of ultrasonic disperse is 16min；Then pH is regulated
Value, to 8.6, continuously adds 20 parts of shell monomer mixture, 0.7 part of Ammonium persulfate. is added dropwise to the first process equipment, adds
The time entered is 45min, is stirred continuously in adition process；After insulation 36min, it is cooled to 24 DEG C, centrifugal point
From, washing, it is dried to obtain high amalgamation titanium dioxide microcapsule；Wherein, core monomer mixture is by methyl
Acrylic acid methyl ester., methacrylate, n-BMA are made by weight for 23:15:10 mixing
Become；Shell monomer mixture is by styrene, butyl acrylate, N,N methylene bis acrylamide by weight
Than be mixed for 22:12:1.
Embodiment 2
70 degrees Celsius of sheath level flexible PVC butyronitrile material of one that the present invention proposes, its raw material wraps by weight
Include: polrvinyl chloride 44 parts, nitrile rubber 38 parts, politef 15 parts, high amalgamation titanium dioxide microcapsule
18 parts, calcium carbonate 12 parts, white carbon black 9 parts, magnesium oxide 3 parts, stearic acid 4 parts, bisphenol-A 0.4 part, lauric acid horse
Come sour dibutyl tin 2.2 parts, 0.8 part of sulfur, Vulcanization accelerator TMTD 2.5 parts, antioxidant TNP 1 part, chlorination stone
4 parts of wax, butyl ester of epoxy fatty acid 0.3 part, triphenyl phosphite 1.5 parts.
The preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 90 parts of deionized waters, 3.5 part ten
Dialkyl benzene sulfonic acids sodium, 2 parts of sodium lauryl sulphates add the first process equipment, logical in the first process equipment
Enter nitrogen and carry out gas displacement, then heat to 69 DEG C；Then by 20 parts of core monomer mixture and 1 part of over cure
Acid ammonium adds the first process equipment, and the joining day is 27min, is stirred continuously in adition process；Then it is incubated
65min；Continuously add 2.4 parts of nano titanium oxide ultrasonic disperse and obtain strengthening the power of core material ultrasonic disperse
For 400W, the power of ultrasonic disperse is 50kHz, and the time of ultrasonic disperse is 18min；Then regulation pH value is extremely
8.3, continuously add 23 parts of shell monomer mixture, 0.4 part of Ammonium persulfate. is added dropwise to the first process equipment, addition
Time is 48min, is stirred continuously in adition process；After insulation 33min, it is cooled to 27 DEG C, centrifugation,
Washing, is dried to obtain high amalgamation titanium dioxide microcapsule；Wherein, core monomer mixture is by metering system
Acid methyl ester, methacrylate, n-BMA are mixed for 20:18:7 by weight；
Shell monomer mixture is to be 25 by weight by styrene, butyl acrylate, N,N methylene bis acrylamide:
9:2 is mixed.
Embodiment 3
70 degrees Celsius of sheath level flexible PVC butyronitrile material of one that the present invention proposes, its raw material wraps by weight
Include: polrvinyl chloride 46 parts, nitrile rubber 36 parts, politef 17 parts, high amalgamation titanium dioxide microcapsule
16.5 parts, calcium carbonate 14 parts, white carbon black 7 parts, magnesium oxide 4.5 parts, stearic acid 2.5 parts, bisphenol-A 0.6 part, Laurel
Acid dibutyitin maleate 1.9 parts, 1.1 parts of sulfur, Vulcanization accelerator TMTD 2.3 parts, antioxidant TNP 1.2 parts,
Chlorinated paraffin 2.5 parts, butyl ester of epoxy fatty acid 0.5 part, triphenyl phosphite 1.3 parts.
The preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 98 parts of deionized waters, 3.4 part ten
Dialkyl benzene sulfonic acids sodium, 2.1 parts of sodium lauryl sulphates add the first process equipment, in the first process equipment
It is passed through nitrogen and carries out gas displacement, then heat to 68 DEG C；Then by 20 parts of core monomer mixture and 0.9 part
Ammonium persulfate. adds the first process equipment, and the joining day is 28min, is stirred continuously in adition process；Then protect
Temperature 63min；Continuously add 2.5 parts of nano titanium oxide ultrasonic disperse and obtain strengthening the merit of core material ultrasonic disperse
Rate is 390W, and the power of ultrasonic disperse is 52kHz, and the time of ultrasonic disperse is 17min；Then pH is regulated
Value, to 8.4, continuously adds 22 parts of shell monomer mixture, 0.5 part of Ammonium persulfate. is added dropwise to the first process equipment, adds
The time entered is 47min, is stirred continuously in adition process；After insulation 34min, it is cooled to 26 DEG C, centrifugal point
From, washing, it is dried to obtain high amalgamation titanium dioxide microcapsule；Wherein, core monomer mixture is by methyl
Acrylic acid methyl ester., methacrylate, n-BMA are by weight being mixed for 21:17:7
's；Shell monomer mixture is by styrene, butyl acrylate, N,N methylene bis acrylamide by weight
It is mixed for 23:10:2.
Embodiment 4
70 degrees Celsius of sheath level flexible PVC butyronitrile material of one that the present invention proposes, its raw material wraps by weight
Include: polrvinyl chloride 45 parts, nitrile rubber 37 parts, politef 16 parts, high amalgamation titanium dioxide microcapsule
17 parts, calcium carbonate 13 parts, white carbon black 8 parts, magnesium oxide 3.5 parts, stearic acid 3 parts, bisphenol-A 0.5 part, lauric acid
Dibutyitin maleate 2.1 parts, 0.9 part of sulfur, Vulcanization accelerator TMTD 2.4 parts, antioxidant TNP 1.1 parts, chlorine
Fossil waxes 3.5 parts, butyl ester of epoxy fatty acid 0.4 part, triphenyl phosphite 1.4 parts.
The preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 94 parts of deionized waters, 3.3 part ten
Dialkyl benzene sulfonic acids sodium, 2.2 parts of sodium lauryl sulphates add the first process equipment, in the first process equipment
It is passed through nitrogen and carries out gas displacement, then heat to 67 DEG C；Then by 21 parts of core monomer mixture and 0.8 part
Ammonium persulfate. adds the first process equipment, and the joining day is 29min, is stirred continuously in adition process；Then protect
Temperature 61min；Continuously add 2.6 parts of nano titanium oxide ultrasonic disperse and obtain strengthening the merit of core material ultrasonic disperse
Rate is 360W, and the power of ultrasonic disperse is 53kHz, and the time of ultrasonic disperse is 16min；Then pH is regulated
Value, to 8.5, continuously adds 21 parts of shell monomer mixture, 0.6 part of Ammonium persulfate. is added dropwise to the first process equipment, adds
The time entered is 46min, is stirred continuously in adition process；After insulation 35min, it is cooled to 25 DEG C, centrifugal point
From, washing, it is dried to obtain high amalgamation titanium dioxide microcapsule；Wherein, core monomer mixture is by methyl
Acrylic acid methyl ester., methacrylate, n-BMA are by weight being mixed for 22:16:8
's；Shell monomer mixture is by styrene, butyl acrylate, N,N methylene bis acrylamide by weight
It is mixed for 22:11:1.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (8)
1. one kind 70 degrees Celsius sheath level flexible PVC butyronitrile material, it is characterised in that its raw material is by weight
Including: polrvinyl chloride 44-47 part, nitrile rubber 36-38 part, politef 15-18 part, high amalgamation two
Titanium oxide microcapsule 16-18 part, calcium carbonate 12-15 part, white carbon black 6-9 part, magnesium oxide 3-5 part, stearic acid 2-4 part,
Bisphenol-A 0.4-0.7 part, lauric acid dibutyitin maleate 1.8-2.2 part, sulfur 0.8-1.2 part, Vulcanization accelerator TMTD
2.2-2.5 part, antioxidant TNP 1-1.3 part, chlorinated paraffin 2-4 part, butyl ester of epoxy fatty acid 0.3-0.6 part is sub-
Triphenyl phosphate 1.2-1.5 part.
70 degrees Celsius of sheath level flexible PVC butyronitrile material the most according to claim 1, it is characterised in that
The preparation process of high amalgamation titanium dioxide microcapsule is: by deionized water, dodecylbenzene sodium sulfonate, 12
Alkyl sodium sulfate adds the first process equipment, is passed through nitrogen and carries out gas displacement, so in the first process equipment
Rear intensification；Then core monomer mixture and Ammonium persulfate. are added the first process equipment, in adition process not
Disconnected stirring；Then it is incubated；Continuously adding nano titanium oxide, ultrasonic disperse obtains strengthening core material；So
Rear regulation pH value, continuously adds shell monomer mixture, Ammonium persulfate. is added dropwise to the first process equipment, adds
Journey is stirred continuously；After insulation, cooling, centrifugation, washing, it is dried to obtain high amalgamation titanium dioxide
Microcapsule.
70 degrees Celsius of sheath level flexible PVC butyronitrile material the most according to claim 2, it is characterised in that
In the preparation process of high amalgamation titanium dioxide microcapsule, core monomer mixture be by methyl methacrylate,
Methacrylate, n-BMA are mixed for 20-23:15-18:7-10 by weight.
4. according to described in Claims 2 or 3 70 degrees Celsius of sheath level flexible PVC butyronitrile material, it is characterised in that
In the preparation process of high amalgamation titanium dioxide microcapsule, shell monomer mixture be by styrene, butyl acrylate,
N,N methylene bis acrylamide is mixed for 22-25:9-12:1-2 by weight.
5., according to 70 degrees Celsius of sheath level flexible PVC butyronitrile material described in any one of claim 2-4, it is special
Levying and be, the preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 90-100 part deionized water,
3.2-3.5 part dodecylbenzene sodium sulfonate, 2-2.3 part sodium lauryl sulphate add the first process equipment, to
One process equipment is passed through nitrogen and carries out gas displacement, then heat up；Then 20-22 part core monomer is mixed
Thing and 0.8-1 part Ammonium persulfate. add the first process equipment, are stirred continuously in adition process；Then it is incubated；Continue
The continuous 2.4-2.7 part nano titanium oxide ultrasonic disperse that adds obtains strengthening core material；Then regulate pH value, continue
Continuous addition 20-23 part shell monomer mixture, 0.4-0.7 part Ammonium persulfate. are added dropwise to the first process equipment, add
Journey is stirred continuously；After insulation, cooling, centrifugation, washing, it is dried to obtain high amalgamation titanium dioxide
Microcapsule.
6., according to 70 degrees Celsius of sheath level flexible PVC butyronitrile material described in any one of claim 2-5, it is special
Levying and be, the preparation process of high amalgamation titanium dioxide microcapsule is: by weight by 90-100 part deionized water,
3.2-3.5 part dodecylbenzene sodium sulfonate, 2-2.3 part sodium lauryl sulphate add the first process equipment, to
One process equipment is passed through nitrogen and carries out gas displacement, then heat to 66-69 DEG C；Then by 20-22 part core
Monomer mixture and 0.8-1 part Ammonium persulfate. add the first process equipment, and the joining day is 27-30min, add
During be stirred continuously；Then 60-65min it is incubated；Continuously add ultrasonic point of 2.4-2.7 part nano titanium oxide
Dissipating the power obtaining strengthening core material ultrasonic disperse is 350-400W, and the power of ultrasonic disperse is
50-55kHz, the time of ultrasonic disperse is 16-18min；Then regulation pH value is to 8.3-8.6, continuously adds 20-23
Part shell monomer mixture, 0.4-0.7 part Ammonium persulfate. are added dropwise to the first process equipment, and the time of addition is
45-48min, is stirred continuously in adition process；After insulation 33-36min, it is cooled to 24-27 DEG C, centrifugation,
Washing, is dried to obtain high amalgamation titanium dioxide microcapsule.
7., according to 70 degrees Celsius of sheath level flexible PVC butyronitrile material described in any one of claim 1-6, it is special
Levying and be, polrvinyl chloride, nitrile rubber, the weight ratio of politef are 45-46:36-37:16-17.
8., according to 70 degrees Celsius of sheath level flexible PVC butyronitrile material described in any one of claim 1-7, it is special
Levying and be, its raw material includes by weight: polrvinyl chloride 45-46 part, nitrile rubber 36-37 part, polytetrafluoroethyl-ne
Alkene 16-17 part, high amalgamation titanium dioxide microcapsule 16.5-17 part, calcium carbonate 13-14 part, white carbon black 7-8 part, oxygen
Change magnesium 3.5-4.5 part, stearic acid 2.5-3 part, bisphenol-A 0.5-0.6 part, lauric acid dibutyitin maleate 1.9-2.1
Part, sulfur 0.9-1.1 part, Vulcanization accelerator TMTD 2.3-2.4 part, antioxidant TNP 1.1-1.2 part, chlorinated paraffin
2.5-3.5 part, butyl ester of epoxy fatty acid 0.4-0.5 part, triphenyl phosphite 1.3-1.4 part.
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| CN201610279250.2A CN105860351A (en) | 2016-04-28 | 2016-04-28 | 70-DEG C protective-layer-level soft polyvinyl chloride butyronitrile material |
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| CN201610279250.2A CN105860351A (en) | 2016-04-28 | 2016-04-28 | 70-DEG C protective-layer-level soft polyvinyl chloride butyronitrile material |
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Application publication date: 20160817 |