CN111497353A - 芯层微孔发泡pvc/cpvc电缆保护管及制备方法 - Google Patents
芯层微孔发泡pvc/cpvc电缆保护管及制备方法 Download PDFInfo
- Publication number
- CN111497353A CN111497353A CN202010343660.5A CN202010343660A CN111497353A CN 111497353 A CN111497353 A CN 111497353A CN 202010343660 A CN202010343660 A CN 202010343660A CN 111497353 A CN111497353 A CN 111497353A
- Authority
- CN
- China
- Prior art keywords
- percent
- tio
- halloysite
- layer
- core layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 85
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 85
- 239000004801 Chlorinated PVC Substances 0.000 title claims abstract description 84
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 title claims abstract description 84
- 239000012792 core layer Substances 0.000 title claims abstract description 64
- 238000005187 foaming Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 86
- 229910052621 halloysite Inorganic materials 0.000 claims abstract description 82
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 38
- 239000002071 nanotube Substances 0.000 claims abstract description 37
- 239000004088 foaming agent Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000032683 aging Effects 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims description 92
- 229920005989 resin Polymers 0.000 claims description 92
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 86
- 239000012779 reinforcing material Substances 0.000 claims description 52
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 46
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 44
- 239000010439 graphite Substances 0.000 claims description 44
- 229910002804 graphite Inorganic materials 0.000 claims description 44
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 43
- 239000004609 Impact Modifier Substances 0.000 claims description 42
- 239000000314 lubricant Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- VRFNYSYURHAPFL-UHFFFAOYSA-N [(4-methylphenyl)sulfonylamino]urea Chemical compound CC1=CC=C(S(=O)(=O)NNC(N)=O)C=C1 VRFNYSYURHAPFL-UHFFFAOYSA-N 0.000 claims description 37
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 35
- 238000005303 weighing Methods 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 238000001035 drying Methods 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 28
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 24
- 239000007770 graphite material Substances 0.000 claims description 24
- 239000012760 heat stabilizer Substances 0.000 claims description 24
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 24
- 229920000058 polyacrylate Polymers 0.000 claims description 24
- 239000011259 mixed solution Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 22
- 239000008367 deionised water Substances 0.000 claims description 20
- 229910021641 deionized water Inorganic materials 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- 230000003712 anti-aging effect Effects 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 239000003017 thermal stabilizer Substances 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 13
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000292 calcium oxide Substances 0.000 claims description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 12
- 239000007822 coupling agent Substances 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- 238000009210 therapy by ultrasound Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 12
- -1 p-toluenesulfonyl Chemical group 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 238000003763 carbonization Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 claims description 8
- 239000012188 paraffin wax Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 230000001376 precipitating effect Effects 0.000 claims description 8
- 239000012066 reaction slurry Substances 0.000 claims description 8
- 239000001993 wax Substances 0.000 claims description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 7
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 6
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 238000003828 vacuum filtration Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003475 lamination Methods 0.000 claims description 5
- 239000012768 molten material Substances 0.000 claims description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 4
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005054 agglomeration Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- LDVQENLWTVYIDQ-UHFFFAOYSA-M lead(2+);octadecanoate Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O LDVQENLWTVYIDQ-UHFFFAOYSA-M 0.000 description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 4
- 239000002356 single layer Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/009—Use of pretreated compounding ingredients
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
-
- 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
-
- 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
- C08L27/22—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 modified by chemical after-treatment
- C08L27/24—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 modified by chemical after-treatment halogenated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0235—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- 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
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/22—Characterised by the use 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; Derivatives of such polymers modified by chemical after-treatment
- C08J2327/24—Characterised by the use 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; Derivatives of such polymers modified by chemical after-treatment halogenated
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/28—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
-
- 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
- C08J2427/00—Characterised by the use 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; Derivatives of such polymers
- C08J2427/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Emergency Medicine (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
本发明公开一种芯层微孔发泡PVC/CPVC电缆保护管及制备方法,芯层采用填充发泡剂发泡的埃洛石纳米管结构,降低了管材重量,确保材料结构的各向异性,克服管材因发泡而造成力学性能降低,在埃洛石纳米管表面负载TiO2,即抗紫外老化,又避免了TiO2团聚;内层采用增强改性的实壁管结构,实现对管材的增强效果,确保穿缆时内壁光滑和管材整体的抗压强度;外层采用增韧改性的实壁管结构,确保管材在运输过程中的抗冲击性和施工过程中的弯拉强度。
Description
技术领域
本发明涉及一种电缆保护管及制备方法,特别是一种芯层微孔发泡PVC/CPVC电缆保护管及制备方法。
背景技术
芯层微孔发泡管材由于芯层为蜂窝状、微发泡、封闭孔结构的发泡芯层,较实壁管具有质量轻、成本低、抗冲击性能好、隔音、隔热性能好等优点,因此,将芯层微孔发泡管材应用到电力电缆保护管中成为发展的方向,但是,若让发泡剂在基体内无规的发泡,将影响材料的力学性能,若采用物理发泡法也难确保孔隙的均匀性,因此将发泡剂灌入纳米管中发泡,可以提高材料的各向异性,提高管材的拉伸强度和抗压强度。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种芯层微孔发泡PVC/CPVC电缆保护管及制备方法,与未发泡的硬质聚氯乙烯相比,密度可降低5%~95%,冲击强度可提高5倍,刚度增加3~5倍,疲劳寿命延长5倍,介电常数和热导率大幅度下降,更适合于电力电缆保护。
为达到上述目的,本发明采用的技术方案是:
一种芯层微孔发泡PVC/CPVC电缆保护管,包括内层、芯层和外层,所述内层、芯层和外层均为环形圆柱体形,内层、芯层和外层纵向同轴由里及外叠层连接,且芯层的外表面与外层的内表面热熔密贴,芯层的内表面与内层的外表面热熔密贴;其特征在于:
所述芯层由下述重量百分比组分组成:
CPVC树脂: 45%
PVC树脂: 20%
抗老化复合发泡剂:5%
增强材料: 13%
抗冲改性剂: 13%
热稳定剂:2%
润滑剂:2%
所述内层由下述重量百分比组分组成:
CPVC树脂: 20%
PVC树脂: 50%
增强材料: 20%
抗冲改性剂: 6%
热稳定剂:2%
润滑剂:2%
所述外层由下述重量百分比组分组成:
CPVC树脂: 50%
PVC树脂: 20%
增强材料:6%
抗冲改性剂:20%
热稳定剂:2%
润滑剂:2%
所述抗老化复合发泡剂为TiO2/埃洛石/对甲苯磺酰氨基脲混合物,其结构为对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:1~3组成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
芯层微孔发泡PVC/CPVC电缆保护管由下述方法制备:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、抗老化复合发泡剂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述芯层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述内层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述外层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的芯层、内层、外层物料分别通过三台单螺杆挤出机熔融挤出,每层对应一台单螺杆挤出机,然后在模头处通过三个螺旋圈,一个螺旋圈对应于一层物料流,隔开熔融的物料流,物料流在离开模头衬套后互相层叠在一起,形成内层、芯层和外层纵向同轴由里及外叠层热熔密贴连接结构,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得芯层微孔发泡PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
所述TiO2/埃洛石/对甲苯磺酰氨基脲混合物由下述方法制备:
步骤A:埃洛石及TiO2的干燥处理
分别称取5~10g 的TiO2和2~5g埃洛石放入真空干燥箱中,在80~100℃温度下恒温干燥直至含水量≤0.2%,制得干燥埃洛石和TiO2,备用;
步骤B:表面负载TiO2的埃洛石纳米管的制备
将步骤A制得的干燥TiO2 5~10g和干燥埃洛石2~5g加入装有30ml水和170ml丙醇混合溶液的三口烧瓶中,机械搅拌至均匀,超声波处理30min,常温条件下边磁力搅拌边缓慢加入1~2g偶联剂反应12~24h,反应完成后过滤,边真空抽滤边用无水乙醇清洗3~5遍,然后50℃恒温真空干燥制得表面负载TiO2的埃洛石纳米管;
所述偶联剂为γ―甲基丙烯酰氧基丙基三甲氧基硅烷和γ―氨丙基三乙氧基硅烷按照重量比1: 1~3组成;
步骤C:对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管的制备
称取5~10g的对甲苯磺酰氨基脲,溶于30~50mL溶剂中,磁力搅拌至均匀;称取3~6g步骤B制得的表面负载TiO2的埃洛石加入上述溶液中,机械搅拌均匀,超声波处理20min,常温下静置24h,去掉上层清液后微孔过滤器抽滤,60℃烘箱中干燥24h,制得对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管结构的TiO2/埃洛石/对甲苯磺酰氨基脲混合物;
所述溶剂为二甲基亚砜、二甲基甲酰胺、二甲基乙酰胺中的至少一种。
所述枝状碳酸钙晶须/鳞片石墨材料由下述方法制备的:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:3~5充分搅拌2~4h使其消解充分,将消解后的料浆室温陈化8~12h;
步骤2:在0.5L去离子水中依次加入5~10g鳞片石墨和10~15g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度80~90℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应0.5~1.5h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束;
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干1~3h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料。
本发明所述的一种芯层微孔发泡PVC/CPVC电缆保护管的制备方法,其特征在于:步骤如下:
芯层由下述重量百分比组分组成:
CPVC树脂: 45%
PVC树脂: 20%
抗老化复合发泡剂:5%
增强材料: 13%
抗冲改性剂: 13%
热稳定剂:2%
润滑剂:2%
内层由下述重量百分比组分组成:
CPVC树脂: 20%
PVC树脂: 50%
增强材料: 20%
抗冲改性剂: 6%
热稳定剂:2%
润滑剂:2%
外层由下述重量百分比组分组成:
CPVC树脂: 50%
PVC树脂: 20%
增强材料:6%
抗冲改性剂:20%
热稳定剂:2%
润滑剂:2%
所述抗老化复合发泡剂为TiO2/埃洛石/对甲苯磺酰氨基脲混合物,其结构为对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:1~3组成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
制备方法:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、抗老化复合发泡剂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述芯层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述内层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述外层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的芯层、内层、外层物料分别通过三台单螺杆挤出机熔融挤出,每层对应一台单螺杆挤出机,然后在模头处通过三个螺旋圈,一个螺旋圈对应于一层物料流,隔开熔融的物料流,物料流在离开模头衬套后互相层叠在一起,形成内层、芯层和外层纵向同轴由里及外叠层热熔密贴连接结构,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得芯层微孔发泡PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
所述TiO2/埃洛石/对甲苯磺酰氨基脲混合物由下述方法制备:
步骤A:埃洛石及TiO2的干燥处理
分别称取5~10g 的TiO2和2~5g埃洛石放入真空干燥箱中,在80~100℃温度下恒温干燥直至含水量≤0.2%,制得干燥埃洛石和TiO2,备用;
步骤B:表面负载TiO2的埃洛石纳米管的制备
将步骤A制得的干燥TiO2 5~10g和干燥埃洛石2~5g加入装有30ml水和170ml丙醇混合溶液的三口烧瓶中,机械搅拌至均匀,超声波处理30min,常温条件下边磁力搅拌边缓慢加入1~2g偶联剂反应12~24h,反应完成后过滤,边真空抽滤边用无水乙醇清洗3~5遍,然后50℃恒温真空干燥制得表面负载TiO2的埃洛石纳米管;
所述偶联剂为γ―甲基丙烯酰氧基丙基三甲氧基硅烷和γ―氨丙基三乙氧基硅烷按照重量比1: 1~3组成;
步骤C:对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管的制备
称取5~10g的对甲苯磺酰氨基脲,溶于30~50mL溶剂中,磁力搅拌至均匀;称取3~6g步骤B制得的表面负载TiO2的埃洛石加入上述溶液中,机械搅拌均匀,超声波处理20min,常温下静置24h,去掉上层清液后微孔过滤器抽滤,60℃烘箱中干燥24h,制得对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管结构的TiO2/埃洛石/对甲苯磺酰氨基脲混合物;
所述溶剂为二甲基亚砜、二甲基甲酰胺、二甲基乙酰胺中的至少一种。
所述枝状碳酸钙晶须/鳞片石墨材料由下述方法制备:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:3~5充分搅拌2~4h使其消解充分,将消解后的料浆室温陈化8~12h;
步骤2:在0.5L去离子水中依次加入5~10g鳞片石墨和10~15g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度80~90℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应0.5~1.5h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束;
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干1~3h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料。
与现有技术相比,本发明具有如下的有益效果:
(1)芯层采用填充发泡剂发泡的埃洛石纳米管结构,降低了管材重量,确保材料结构的各向异性,克服管材因发泡而造成力学性能降低,在埃洛石纳米管表面负载TiO2,抗紫外老化的同时,避免了TiO2团聚。
(2)内层采用增强改性的实壁管结构,确保穿缆时内壁光滑和管材整体的抗压强度,增强材料采用枝状碳酸钙晶须/鳞片石墨混合材料,通过液相反应方法将碳酸钙晶须附于鳞片石墨表面,形成“枝状”结构增强材料,利用鳞片石墨表面碳酸钙晶须的各向异性及鳞片石墨层间滑移等特点,实现对管材的增强效果。
(3)外层采用增韧改性的实壁管结构,确保管材在运输过程中的抗冲击性和施工过程中的弯拉强度。
附图说明
图1为本发明芯层微孔发泡PVC/CPVC电缆保护管的立体图。
图2为本发明TiO2/埃洛石/对甲苯磺酰氨基脲混合物的投射电子显微镜图。
具体实施方式
下面结合具体实施例对本发明进行详细说明。
实施例1:
如图1所示,芯层微孔发泡PVC/CPVC电缆保护管包括内层1、芯层2和外层3,所述内层、芯层和外层均为环形圆柱体形,内层、芯层和外层纵向同轴由里及外叠层连接,且芯层的外表面与外层的内表面热熔密贴,芯层的内表面与内层的外表面热熔密贴;
所述芯层由下述重量百分比组分组成:
CPVC树脂: 45%
PVC树脂: 20%
抗老化复合发泡剂:5%
增强材料: 13%
抗冲改性剂: 13%
热稳定剂:2%
润滑剂:2%
所述内层由下述重量百分比组分组成:
CPVC树脂: 20%
PVC树脂: 50%
增强材料: 20%
抗冲改性剂: 6%
热稳定剂:2%
润滑剂:2%
所述外层由下述重量百分比组分组成:
CPVC树脂: 50%
PVC树脂: 20%
增强材料:6%
抗冲改性剂:20%
热稳定剂:2%
润滑剂:2%
所述抗老化复合发泡剂为TiO2/埃洛石/对甲苯磺酰氨基脲混合物,其结构为对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
所述TiO2/埃洛石/对甲苯磺酰氨基脲混合物由下述方法制备的:
步骤A:埃洛石及TiO2的干燥处理
分别称取7.5g的TiO2和3.5g埃洛石放入真空干燥箱中,在90℃温度下恒温干燥直至含水量≤0.2%,制得干燥埃洛石和TiO2,备用;
步骤B:表面负载TiO2的埃洛石纳米管的制备
将步骤A制得的干燥TiO27.5g和干燥埃洛石3.5g加入装有30ml水和170ml丙醇混合溶液的三口烧瓶中,机械搅拌至均匀,超声波处理30min,常温条件下边磁力搅拌边缓慢加入1.5g偶联剂反应18h,反应完成后过滤,边真空抽滤边用无水乙醇清洗4遍,然后50℃恒温真空干燥制得表面负载TiO2的埃洛石纳米管;
本步骤中所述偶联剂为γ―甲基丙烯酰氧基丙基三甲氧基硅烷和γ―氨丙基三乙氧基硅烷按照重量比1:2组成;
步骤C:对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管的制备
称取7.5g的对甲苯磺酰氨基脲,溶于40mL溶剂中,磁力搅拌至均匀。称取4.5g步骤B制得的表面负载TiO2的埃洛石加入上述溶液中,机械搅拌均匀,超声波处理20min,常温下静置24h,去掉上层清液后微孔过滤器抽滤,60℃烘箱中干燥24h,制得对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管结构的对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
本步骤中所述溶剂为二甲基甲酰胺;
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述枝状碳酸钙晶须/鳞片石墨材料通过下述方法制备:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:4充分搅拌3h使其消解充分,将消解后的料浆室温陈化10h;
步骤2:在0.5L去离子水中依次加入7.5g鳞片石墨和12g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度85℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应1h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束。
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干2h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料;
所述CPVC树脂型号为J-700,来自山东高信;
所述PVC树脂型号为SG-5,来自齐鲁石化;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:2组成,其中,氯化聚乙烯(CPE)的型号为135A;丙烯酸酯类聚合物(ACR)的型号为ACR-401,为由甲基丙烯酸甲酯、丙烯酸乙酯、丙烯酸丁酯及苯乙烯四种单体共聚而成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成,其中硬脂酸铅为十八烷酸铅;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
芯层微孔发泡PVC/CPVC电缆保护管的制备方法步骤如下:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、抗老化复合发泡剂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述芯层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述内层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述外层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的芯层、内层、外层物料分别通过三台单螺杆挤出机熔融挤出,每层对应一台单螺杆挤出机,然后在模头处通过三个螺旋圈,一个螺旋圈对应于一层物料流,隔开熔融的物料流,物料流在离开模头衬套后互相层叠在一起,形成内层、芯层和外层纵向同轴由里及外叠层热熔密贴连接结构的,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得芯层微孔发泡PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
经检测,本实施例制备的芯层微孔发泡PVC/CPVC电缆保护管密度为1.45 g/cm3 ,环刚度为17.6kN/m2,落锤冲击韧性(用1.0kg的冲锤下落1m冲击)为11/12试验后无破裂。
对比例1:
微孔发泡PVC/CPVC电缆保护管是一种仅采用芯层材料制成的单层实壁管,由下述重量百分比组分组成:
CPVC树脂: 45%
PVC树脂: 20%
抗老化复合发泡剂:5%
增强材料: 13%
抗冲改性剂: 13%
热稳定剂:2%
润滑剂:2%
所述抗老化复合发泡剂为TiO2/埃洛石/对甲苯磺酰氨基脲混合物,其结构为对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
所述TiO2/埃洛石/对甲苯磺酰氨基脲混合物通过下述方法制备:
步骤A:埃洛石及TiO2的干燥处理
分别称取7.5g的TiO2和3.5g埃洛石放入真空干燥箱中,在90℃温度下恒温干燥直至含水量≤0.2%,制得干燥埃洛石和TiO2,备用;
步骤B:表面负载TiO2的埃洛石纳米管的制备
将步骤A制得的干燥TiO27.5g和干燥埃洛石3.5g加入装有30ml水和170ml丙醇混合溶液的三口烧瓶中,机械搅拌至均匀,超声波处理30min,常温条件下边磁力搅拌边缓慢加入1.5g偶联剂反应18h,反应完成后过滤,边真空抽滤边用无水乙醇清洗4遍,然后50℃恒温真空干燥制得表面负载TiO2的埃洛石纳米管;
本步骤中所述偶联剂为γ―甲基丙烯酰氧基丙基三甲氧基硅烷和γ―氨丙基三乙氧基硅烷按照重量比1:2组成;
步骤C:对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管的制备
称取7.5g的对甲苯磺酰氨基脲,溶于40mL溶剂中,磁力搅拌至均匀。称取4.5g步骤B制得的表面负载TiO2的埃洛石加入上述溶液中,机械搅拌均匀,超声波处理20min,常温下静置24h,去掉上层清液后微孔过滤器抽滤,60℃烘箱中干燥24h,制得对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管结构的对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
本步骤中所述溶剂为二甲基甲酰胺;
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述枝状碳酸钙晶须/鳞片石墨材料通过下述方法制备:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:4充分搅拌3h使其消解充分,将消解后的料浆室温陈化10h;
步骤2:在0.5L去离子水中依次加入7.5g鳞片石墨和12g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度85℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应1h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束。
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干2h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料;
所述CPVC树脂型号为J-700,来自山东高信;
所述PVC树脂型号为SG-5,来自齐鲁石化;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:2组成,其中,氯化聚乙烯(CPE)的型号为135A;丙烯酸酯类聚合物(ACR)的型号为ACR-401,为由甲基丙烯酸甲酯、丙烯酸乙酯、丙烯酸丁酯及苯乙烯四种单体共聚而成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成,其中硬脂酸铅为十八烷酸铅;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
微孔发泡PVC/CPVC电缆保护管的制备方法如下述步骤:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、抗老化复合发泡剂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的物料同通过一台单螺杆挤出机熔融挤出,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得微孔发泡PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
经检测,本实施例制备的微孔发泡PVC/CPVC电缆保护管密度为1.25 g/cm3 ,环刚度为11.2kN/m2,落锤冲击韧性(用1.0kg的冲锤下落1m冲击)为11/12试验后无破裂。
对比例2:
增强型PVC/CPVC电缆保护管是一种仅采用内层材料制成的单层实壁管,由下述重量百分比组分组成:
CPVC树脂: 20%
PVC树脂: 50%
增强材料: 20%
抗冲改性剂: 6%
热稳定剂:2%
润滑剂:2%
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述枝状碳酸钙晶须/鳞片石墨材料通过下述方法制备:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:4充分搅拌3h使其消解充分,将消解后的料浆室温陈化10h;
步骤2:在0.5L去离子水中依次加入7.5g鳞片石墨和12g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度85℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应1h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束。
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干2h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料;
所述CPVC树脂型号为J-700,来自山东高信;
所述PVC树脂型号为SG-5,来自齐鲁石化;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:2组成,其中,氯化聚乙烯(CPE)的型号为135A;丙烯酸酯类聚合物(ACR)的型号为ACR-401,为由甲基丙烯酸甲酯、丙烯酸乙酯、丙烯酸丁酯及苯乙烯四种单体共聚而成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成,其中硬脂酸铅为十八烷酸铅;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
增强型PVC/CPVC电缆保护管的制备方法如下所示:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的物料通过一台单螺杆挤出机熔融挤出,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得增强型PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
经检测,本实施例制备的增强型PVC/CPVC电缆保护管密度为1.53 g/cm3 ,环刚度为23kN/m2,落锤冲击韧性(用1.0kg的冲锤下落1m冲击)为10/12试验后无破裂。
对比例3:
增韧型PVC/CPVC电缆保护管是一种仅采用外层材料制成的单层实壁管材,其重量百分比组分如下所示:
CPVC树脂: 50%
PVC树脂: 20%
增强材料:6%
抗冲改性剂:20%
热稳定剂:2%
润滑剂:2%
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述枝状碳酸钙晶须/鳞片石墨材料通过下述方法制备:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:4充分搅拌3h使其消解充分,将消解后的料浆室温陈化10h;
步骤2:在0.5L去离子水中依次加入7.5g鳞片石墨和12g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度85℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应1h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束。
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干2h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料;
所述CPVC树脂型号为J-700,来自山东高信;
所述PVC树脂型号为SG-5,来自齐鲁石化;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:2组成,其中,氯化聚乙烯(CPE)的型号为135A;丙烯酸酯类聚合物(ACR)的型号为ACR-401,为由甲基丙烯酸甲酯、丙烯酸乙酯、丙烯酸丁酯及苯乙烯四种单体共聚而成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成,其中硬脂酸铅为十八烷酸铅;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
增韧型PVC/CPVC电缆保护管的制备方法如下所示:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的物料通过一台单螺杆挤出机熔融挤出,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得增韧型PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
经检测,本实施例制备的增韧型PVC/CPVC电缆保护管密度为1.56g/cm3 ,环刚度为18.5kN/m2,落锤冲击韧性(用1.0kg的冲锤下落1m冲击)为12/12试验后无破裂。
综上所述,实例1和对比1、对比2、对比3 性能指标如下表所示:
芯层微孔发泡PVC/CPVC电缆保护管在降低了管材的自重,而环钢度和韧性下降幅度较小,适用于电力电缆保护管道,降低的施工强度,提高了工作效率。
以上对本发明的优选的实施例进行了描述。需要理解的是,本发明并不局限于上述特定实施方式,本领域技术人员可以在权利要求的范围内做出各种变形或修改,这并不影响本发明的实质内容。
Claims (6)
1.一种芯层微孔发泡PVC/CPVC电缆保护管,包括内层、芯层和外层,所述内层、芯层和外层均为环形圆柱体形,内层、芯层和外层纵向同轴由里及外叠层连接,且芯层的外表面与外层的内表面热熔密贴,芯层的内表面与内层的外表面热熔密贴;其特征在于:
所述芯层由下述重量百分比组分组成:
CPVC树脂: 45%
PVC树脂: 20%
抗老化复合发泡剂:5%
增强材料: 13%
抗冲改性剂: 13%
热稳定剂:2%
润滑剂:2%
所述内层由下述重量百分比组分组成:
CPVC树脂: 20%
PVC树脂: 50%
增强材料: 20%
抗冲改性剂: 6%
热稳定剂:2%
润滑剂:2%
所述外层由下述重量百分比组分组成:
CPVC树脂: 50%
PVC树脂: 20%
增强材料:6%
抗冲改性剂:20%
热稳定剂:2%
润滑剂:2%
所述抗老化复合发泡剂为TiO2/埃洛石/对甲苯磺酰氨基脲混合物,其结构为对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:1~3组成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
芯层微孔发泡PVC/CPVC电缆保护管由下述方法制备:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、抗老化复合发泡剂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述芯层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述内层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述外层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的芯层、内层、外层物料分别通过三台单螺杆挤出机熔融挤出,每层对应一台单螺杆挤出机,然后在模头处通过三个螺旋圈,一个螺旋圈对应于一层物料流,隔开熔融的物料流,物料流在离开模头衬套后互相层叠在一起,形成内层、芯层和外层纵向同轴由里及外叠层热熔密贴连接结构,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得芯层微孔发泡PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
2.根据权利要求1所述的芯层微孔发泡PVC/CPVC电缆保护管,其特征在于:所述TiO2/埃洛石/对甲苯磺酰氨基脲混合物由下述方法制备:
步骤A:埃洛石及TiO2的干燥处理
分别称取5~10g 的TiO2和2~5g埃洛石放入真空干燥箱中,在80~100℃温度下恒温干燥直至含水量≤0.2%,制得干燥埃洛石和TiO2,备用;
步骤B:表面负载TiO2的埃洛石纳米管的制备
将步骤A制得的干燥TiO2 5~10g和干燥埃洛石2~5g加入装有30ml水和170ml丙醇混合溶液的三口烧瓶中,机械搅拌至均匀,超声波处理30min,常温条件下边磁力搅拌边缓慢加入1~2g偶联剂反应12~24h,反应完成后过滤,边真空抽滤边用无水乙醇清洗3~5遍,然后50℃恒温真空干燥制得表面负载TiO2的埃洛石纳米管;
所述偶联剂为γ―甲基丙烯酰氧基丙基三甲氧基硅烷和γ―氨丙基三乙氧基硅烷按照重量比1: 1~3组成;
步骤C:对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管的制备
称取5~10g的对甲苯磺酰氨基脲,溶于30~50mL溶剂中,磁力搅拌至均匀;称取3~6g步骤B制得的表面负载TiO2的埃洛石加入上述溶液中,机械搅拌均匀,超声波处理20min,常温下静置24h,去掉上层清液后微孔过滤器抽滤,60℃烘箱中干燥24h,制得对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管结构的TiO2/埃洛石/对甲苯磺酰氨基脲混合物;
所述溶剂为二甲基亚砜、二甲基甲酰胺、二甲基乙酰胺中的至少一种。
3.根据权利要求1所述的芯层微孔发泡PVC/CPVC电缆保护管,其特征在于:所述枝状碳酸钙晶须/鳞片石墨材料由下述方法制备的:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:3~5充分搅拌2~4h使其消解充分,将消解后的料浆室温陈化8~12h;
步骤2:在0.5L去离子水中依次加入5~10g鳞片石墨和10~15g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度80~90℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应0.5~1.5h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束;
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干1~3h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料。
4.一种芯层微孔发泡PVC/CPVC电缆保护管的制备方法,其特征在于:步骤如下:
芯层由下述重量百分比组分组成:
CPVC树脂: 45%
PVC树脂: 20%
抗老化复合发泡剂:5%
增强材料: 13%
抗冲改性剂: 13%
热稳定剂:2%
润滑剂:2%
内层由下述重量百分比组分组成:
CPVC树脂: 20%
PVC树脂: 50%
增强材料: 20%
抗冲改性剂: 6%
热稳定剂:2%
润滑剂:2%
外层由下述重量百分比组分组成:
CPVC树脂: 50%
PVC树脂: 20%
增强材料:6%
抗冲改性剂:20%
热稳定剂:2%
润滑剂:2%
所述抗老化复合发泡剂为TiO2/埃洛石/对甲苯磺酰氨基脲混合物,其结构为对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管;
所述增强材料为枝状碳酸钙晶须/鳞片石墨材料,其结构为枝状碳酸钙晶须附于鳞片石墨表面结构;
所述抗冲改性剂为氯化聚乙烯(CPE)和丙烯酸酯类聚合物(ACR)中按照重量比1:1~3组成;
所述热稳定剂为硬脂酸铅和三盐基硫酸铅按照重量比1:1组成;
所述润滑剂为聚乙烯蜡和石蜡的至少一种;
制备方法:
步骤一:将PVC树脂、CPVC树脂于100℃温度下烘干3~5h,然后将PVC树脂、CPVC树脂、抗老化复合发泡剂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述芯层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述内层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;将PVC树脂、CPVC树脂、增强材料、抗冲改性剂、润滑剂、热稳定剂按照所述外层重量百分比组分称取后经高速混合机充分拌合0.5~1小时,备用;
步骤二:将步骤一混合好的芯层、内层、外层物料分别通过三台单螺杆挤出机熔融挤出,每层对应一台单螺杆挤出机,然后在模头处通过三个螺旋圈,一个螺旋圈对应于一层物料流,隔开熔融的物料流,物料流在离开模头衬套后互相层叠在一起,形成内层、芯层和外层纵向同轴由里及外叠层热熔密贴连接结构,然后通过冷却水冷却成型,通过牵引机连续稳定的牵引出来,切割机定长切割,从而制得芯层微孔发泡PVC/CPVC电缆保护管,模头真空度控制在0.02~0.05MPa,冷却水的水温控制在30~45℃,牵引力压强控制在0.02~0.05MPa。
5.根据权利要求4所述的芯层微孔发泡PVC/CPVC电缆保护管的制备方法,其特征在于:所述TiO2/埃洛石/对甲苯磺酰氨基脲混合物由下述方法制备:
步骤A:埃洛石及TiO2的干燥处理
分别称取5~10g 的TiO2和2~5g埃洛石放入真空干燥箱中,在80~100℃温度下恒温干燥直至含水量≤0.2%,制得干燥埃洛石和TiO2,备用;
步骤B:表面负载TiO2的埃洛石纳米管的制备
将步骤A制得的干燥TiO2 5~10g和干燥埃洛石2~5g加入装有30ml水和170ml丙醇混合溶液的三口烧瓶中,机械搅拌至均匀,超声波处理30min,常温条件下边磁力搅拌边缓慢加入1~2g偶联剂反应12~24h,反应完成后过滤,边真空抽滤边用无水乙醇清洗3~5遍,然后50℃恒温真空干燥制得表面负载TiO2的埃洛石纳米管;
所述偶联剂为γ―甲基丙烯酰氧基丙基三甲氧基硅烷和γ―氨丙基三乙氧基硅烷按照重量比1: 1~3组成;
步骤C:对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管的制备
称取5~10g的对甲苯磺酰氨基脲,溶于30~50mL溶剂中,磁力搅拌至均匀;称取3~6g步骤B制得的表面负载TiO2的埃洛石加入上述溶液中,机械搅拌均匀,超声波处理20min,常温下静置24h,去掉上层清液后微孔过滤器抽滤,60℃烘箱中干燥24h,制得对甲苯磺酰氨基脲灌入表面负载TiO2埃洛石纳米管结构的TiO2/埃洛石/对甲苯磺酰氨基脲混合物;
所述溶剂为二甲基亚砜、二甲基甲酰胺、二甲基乙酰胺中的至少一种。
6.根据权利要求4所述的芯层微孔发泡PVC/CPVC电缆保护管的制备方法,其特征在于:所述枝状碳酸钙晶须/鳞片石墨材料由下述方法制备:
步骤1:在5L的圆底烧瓶中,加入按照氧化钙与去离子水质量比为1:3~5充分搅拌2~4h使其消解充分,将消解后的料浆室温陈化8~12h;
步骤2:在0.5L去离子水中依次加入5~10g鳞片石墨和10~15g氯化镁,充分搅拌制得鳞片石墨、氯化镁混合液;
步骤3:将步骤1陈化后料浆置于碳化反应器中,控制反应温度80~90℃,边搅拌边向反应器的里部加入步骤2制得的鳞片石墨、氯化镁混合液,充分反应0.5~1.5h后在反应器底部以一定的流量通入C02气体进行碳酸化反应,同时利用数显pH/mV计检测溶液pH值的变化,当溶液pH值等于7时碳酸化反应结束;
步骤4:将步骤3制得的反应浆料经沉淀过滤、洗涤、在100~120℃下烘干1~3h即干燥得到枝状碳酸钙晶须附于鳞片石墨表面结构的枝状碳酸钙晶须/鳞片石墨材料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010343660.5A CN111497353B (zh) | 2020-04-27 | 2020-04-27 | 芯层微孔发泡pvc/cpvc电缆保护管及制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010343660.5A CN111497353B (zh) | 2020-04-27 | 2020-04-27 | 芯层微孔发泡pvc/cpvc电缆保护管及制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111497353A true CN111497353A (zh) | 2020-08-07 |
CN111497353B CN111497353B (zh) | 2022-04-05 |
Family
ID=71866406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010343660.5A Active CN111497353B (zh) | 2020-04-27 | 2020-04-27 | 芯层微孔发泡pvc/cpvc电缆保护管及制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111497353B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113861584A (zh) * | 2021-09-14 | 2021-12-31 | 浙江亚厦装饰股份有限公司 | 一种pvc板材及其制作方法 |
CN117863685A (zh) * | 2024-03-11 | 2024-04-12 | 淄博顶天塑胶有限公司 | 一种pvc自由发泡共挤板材及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ20003375A3 (cs) * | 1999-03-08 | 2001-01-17 | The Dow Chemical Company | Polymerní kompozit, způsob jeho výroby a vláknem zesílený kompozit |
CN103087388A (zh) * | 2013-01-23 | 2013-05-08 | 浙江飞龙管业有限公司 | 一种增强改性的波纹状电力护套管 |
CN104790024A (zh) * | 2015-04-15 | 2015-07-22 | 广西大学 | 一种高长径比文石型碳酸钙晶须的制备方法 |
US20180072938A1 (en) * | 2016-09-12 | 2018-03-15 | Baker Hughes Incorporated | Ductile cementing materials and the use thereof in high stress cementing applications |
CN209365499U (zh) * | 2018-09-19 | 2019-09-10 | 广东深联实业有限公司 | 芯层发泡通信管道 |
-
2020
- 2020-04-27 CN CN202010343660.5A patent/CN111497353B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ20003375A3 (cs) * | 1999-03-08 | 2001-01-17 | The Dow Chemical Company | Polymerní kompozit, způsob jeho výroby a vláknem zesílený kompozit |
CN103087388A (zh) * | 2013-01-23 | 2013-05-08 | 浙江飞龙管业有限公司 | 一种增强改性的波纹状电力护套管 |
CN104790024A (zh) * | 2015-04-15 | 2015-07-22 | 广西大学 | 一种高长径比文石型碳酸钙晶须的制备方法 |
US20180072938A1 (en) * | 2016-09-12 | 2018-03-15 | Baker Hughes Incorporated | Ductile cementing materials and the use thereof in high stress cementing applications |
CN209365499U (zh) * | 2018-09-19 | 2019-09-10 | 广东深联实业有限公司 | 芯层发泡通信管道 |
Non-Patent Citations (3)
Title |
---|
GOURAV MISHRA: "TiO2 decorated functionalized", 《SCIENTIFIC REPORTS》 * |
牧保文: "新型发泡剂在PVC-U微发泡管材中的应用", 《聚氯乙烯》 * |
项久兴: "碳酸钙晶须的应用研究进展", 《精细与专用化学品》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113861584A (zh) * | 2021-09-14 | 2021-12-31 | 浙江亚厦装饰股份有限公司 | 一种pvc板材及其制作方法 |
CN117863685A (zh) * | 2024-03-11 | 2024-04-12 | 淄博顶天塑胶有限公司 | 一种pvc自由发泡共挤板材及其制备方法 |
CN117863685B (zh) * | 2024-03-11 | 2024-05-24 | 淄博顶天塑胶有限公司 | 一种pvc自由发泡共挤板材及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111497353B (zh) | 2022-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111497353B (zh) | 芯层微孔发泡pvc/cpvc电缆保护管及制备方法 | |
CN102796314B (zh) | 埋地聚乙烯排水管道专用母料 | |
CN105733096B (zh) | 一种长碳纤维增强热塑性复合材料及其制备方法 | |
CN104945737B (zh) | 一种高性能微发泡专用的玻纤增强聚丙烯复合材料及其制备方法 | |
CN1433443A (zh) | 嵌入聚合物基质中的取向纳米纤维 | |
CN102424713B (zh) | 超静音彩塑复合聚氯乙烯排水管材及其制造方法 | |
CN107286692A (zh) | 一种改性石膏基晶须增强增韧塑料及其制备方法 | |
CN109698361A (zh) | 一种燃料电池气体扩散层用柔性石墨烯碳膜及制备方法 | |
CN110330710A (zh) | 一种耐压pe管材及其制备方法 | |
CN110746638B (zh) | 一种悬浮聚合制备纳米碳纤维增强聚甲基丙烯酰亚胺泡沫的方法 | |
CN105214509B (zh) | 一种高强度中空纤维过滤膜及其制备方法 | |
CN109897569B (zh) | 一种煤矿用钢丝管的导电粘接树脂及其制备方法及钢丝管 | |
CN115536942A (zh) | 一种植物纤维增强聚丙烯复合材料及其制备方法 | |
CN105017667A (zh) | 一种抗冲导热材料及其制备方法 | |
CN109320870A (zh) | 一种耐寒pvc电缆保护管的加工工艺 | |
CN116285213A (zh) | 一种高强度抗静电聚醚醚酮(peek)管材及其制备方法 | |
CN115895037A (zh) | 一种改性玻璃微珠及制备方法和改性玻璃微珠复合材料 | |
CN113831620B (zh) | 高耐热耐蠕变的管材组合物及其制备方法 | |
CN105860342A (zh) | 一种低成本聚氯乙烯塑料管及其制备方法 | |
CN109320867B (zh) | 一种纤维增强型缠绕结构壁塑料管材及其制备方法 | |
CN107344990A (zh) | 一种用于增强增韧塑料的改性石膏基晶须及其基于乳液聚合的制备方法 | |
CN109897315A (zh) | 一种马来酸酐聚丙烯微纳米纤维/聚乙烯醇发泡材料的制备方法 | |
CN111363350B (zh) | 一种微孔发泡高强度抗老化ppa/petg复合塑料井盖及其制备方法 | |
CN106609008B (zh) | 碳纳米管/炭黑复合改性聚苯乙烯树脂的合成方法 | |
CN118290843A (zh) | 一种耐压钢骨架聚乙烯复合管及其制备工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |