CN111363286A - Modified MPP cable protection pipe - Google Patents
Modified MPP cable protection pipe Download PDFInfo
- Publication number
- CN111363286A CN111363286A CN202010422304.2A CN202010422304A CN111363286A CN 111363286 A CN111363286 A CN 111363286A CN 202010422304 A CN202010422304 A CN 202010422304A CN 111363286 A CN111363286 A CN 111363286A
- Authority
- CN
- China
- Prior art keywords
- parts
- cable protection
- modified
- protection tube
- mpp cable
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
- C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of cable protection pipes, in particular to a modified MPP cable protection pipe which comprises the following raw materials in parts by weight: 120-130 parts of modified acrylic resin, 7-8 parts of graphene A, 9-11 parts of carbon black, 6-8 parts of coupling agent, 11-13 parts of toughening agent, 3-5 parts of compatibilizer, 4-6 parts of lubricant, 0.5-2 parts of antioxidant, 0.5-1.5 parts of nano calcium carbonate, 0.5-1 part of titanium dioxide and 20-30 parts of flame retardant. The melt flow rate, tensile strength, elongation at break and bending strength of the modified MPP cable protection pipe prepared by the method are relatively reduced; the raw materials are added with the specially-made modified acrylic resin, so that various mechanical properties of the MPP material can be optimized, and the cable protection tube prepared by using the MPP material has the characteristics of strong corrosion resistance, good electrical insulation, high mechanical strength, small friction coefficient, heat resistance, cold resistance, long service life and the like.
Description
Technical Field
The invention relates to the technical field of cable protection pipes, in particular to a modified MPP cable protection pipe.
Background
The common cable protection tube in the market at present has two kinds of MPP pipe and CPVC pipe. The MPP pipe is divided into an excavation type pipe and a non-excavation type pipe, and the MPP non-excavation pipe is also called as an MPP jacking pipe or a dragging pipe. The MPP pipe is a plastic pipe prepared by adopting modified polypropylene as a main raw material, is one of the most conventional electric power pipes mainly applied to the market at present, but has more and more prominent defects along with the gradual expansion of the application field and the environment, and cannot completely adapt to the environment with high requirements in the aspects of comprehensive properties such as strength, flame retardance, electric insulation, acid and alkali corrosion resistance, oxidation resistance, sliding property, thermal stability and the like.
Disclosure of Invention
The invention aims to provide a modified MPP cable protection pipe to solve the problem that the existing MPP pipe proposed in the background technology cannot completely adapt to the high-requirement environment.
In order to achieve the purpose, the invention provides the following technical scheme:
a modified MPP cable protection tube comprises the following raw materials in parts by weight: 120-130 parts of modified acrylic resin, 7-8 parts of graphene A, 9-11 parts of carbon black, 6-8 parts of coupling agent, 11-13 parts of toughening agent, 3-5 parts of compatibilizer, 4-6 parts of lubricant, 0.5-2 parts of antioxidant, 0.5-1.5 parts of nano calcium carbonate, 0.5-1 part of titanium dioxide and 20-30 parts of flame retardant.
Preferably, the graphene A is single-layer graphene oxide, and the oxygen content is 20-40 wt%.
Preferably, the fire retardant is a composition of fire retardant viscose fibers and an intumescent flame retardant, and the weight ratio of the fire retardant viscose fibers to the intumescent flame retardant in the fire retardant is 1: 1.
preferably, the compatibilizer is maleic anhydride grafted polypropylene PP-g-MAH or PP-g-ST, and the toughening agent is at least one of POE, TPE and EPDM.
Preferably, the lubricant is a mixture of silicone oil and paraffin wax in a weight ratio of 1:2, and the antioxidant is at least one of pentaerythritol ester, phosphorous acid, sulfuric acid and phenols.
Preferably, the coupling agent is a silane coupling agent and a titanate coupling agent in a weight ratio of 1-1.5: 1, in a mixture of the components.
Preferably, each part of the modified acrylic resin comprises the following raw materials in parts by weight: 40-60 parts of monomer, 5-15 parts of acrylamide, 0.01-5 parts of graphene B, 50-120 parts of CPE resin, 30-60 parts of acrylic acid, 10-15 parts of deionized water and 0.01-1.0 part of tert-butyl hydroperoxide.
Preferably, the monomer comprises a crosslinking monomer and a soft monomer, wherein the crosslinking monomer is at least one of N-methylolacrylamide and N-isobutoxymethyl acrylamide; the soft monomer is at least one of butyl acrylate, ethyl acrylate or methyl acrylate.
Preferably, the graphene B is few-layer graphene oxide, and the particle size is 50-80 nm.
Preferably, the preparation method of the modified MPP cable protection pipe comprises the following steps:
s1: adding nano calcium carbonate into a mixing stirrer according to the weight part, heating to stir for the first time, then adding a coupling agent to stir for the second time, cooling and standing to obtain a mixture;
s2: adding the modified acrylic resin, the graphene A, the carbon black, the toughening agent, the compatibilizer, the lubricant, the antioxidant, the titanium dioxide and the flame retardant into the mixture obtained in the step S1 in sequence according to the parts by weight, continuously stirring and discharging;
s3: and (4) injecting the mixture obtained in the step S2 into a conical double-screw extruder, and plasticizing and granulating at the temperature of 260-300 ℃ to obtain the modified MPP cable protection tube.
Compared with the prior art, the invention has the beneficial effects that: the melt flow rate, tensile strength, elongation at break and bending strength of the modified MPP cable protection pipe prepared by the modified MPP cable protection pipe are relatively reduced; the invention shows that the special modified acrylic resin is added into the raw materials to optimize various mechanical properties of the MPP material, so that the cable protection tube prepared by the MPP material has the characteristics of strong corrosion resistance, good electrical insulation, high mechanical strength, small friction coefficient, heat resistance, cold resistance, long service life and the like, and the CPE resin is also added into the manufacturing material, so that the product has excellent heat resistance, aging resistance, cold resistance, chemical corrosion resistance, electrical insulation and the like.
Detailed Description
The invention provides the following technical scheme:
a modified MPP cable protection pipe comprises the following components in percentage by weight: comprises the following raw materials in parts by weight: 120-130 parts of modified acrylic resin, 7-8 parts of graphene A, 9-11 parts of carbon black, 6-8 parts of coupling agent, 11-13 parts of toughening agent, 3-5 parts of compatibilizer, 4-6 parts of lubricant, 0.5-2 parts of antioxidant, 0.5-1.5 parts of nano calcium carbonate, 0.5-1 part of titanium dioxide and 20-30 parts of flame retardant.
Further, the graphene A is single-layer graphene oxide, and the oxygen content is 20-40 wt%.
Specifically, the flame retardant is a composition of flame-retardant viscose fibers and an intumescent flame retardant, and the weight ratio of the flame-retardant viscose fibers to the intumescent flame retardant in the flame retardant is 1: 1.
it is worth to be noted that the compatibilizer is maleic anhydride grafted polypropylene PP-g-MAH or PP-g-ST, the toughening agent is at least one of POE, TPE and EPDM, the lubricant is a mixture of silicone oil and paraffin wax in a weight ratio of 1:2, the antioxidant is at least one of pentaerythritol ester, phosphorous acid, sulfuric acid and phenol, the toughening agent is POE molecular structure without unsaturated bonds, has excellent aging resistance and good fluidity, has good compatibility with modified acrylic resin, and the good fluidity can change the dispersion effect of the nano calcium carbonate, and simultaneously improves the toughness, cold resistance and impact resistance of the product; the antioxidant can enable the prepared MPP material to have good oxidation resistance, ageing resistance and corrosion resistance, and the cable protection tube prepared from the MPP material avoids the defect that the traditional cable protection tube is easily oxidized or aged due to exposure in various environments.
The coupling agent is silane coupling agent and titanate coupling agent according to the weight ratio of 1-1.5: 1, the silane coupling agent can greatly improve the strength, the electrical property, the water resistance, the weather resistance and other properties of the MPP material during compounding, even in a wet state, the silane coupling agent can improve the mechanical property of the composite material, has very obvious effect, can be used for carrying out surface treatment on graphene A in advance, and can also be directly added into modified acrylic resin, so that the dispersity and the adhesive force of the modified acrylic resin can be improved, the compatibility between each raw material and the modified acrylic resin can be improved, the process performance can be improved, and the mechanical property, the electrical property, the weather resistance and other properties of the MPP material can be improved; the titanium titanate coupling agent titanium molecule can be divided into six functional areas, wherein the fourth functional area has a large number of long-chain carbon atoms to improve the compatibility with a PP resin system, so that the change of the surface energy on an inorganic interface is caused, the function of flexibility and stress transfer is realized, the self-lubricating effect is generated, the viscosity is greatly reduced, the processing technology of the MPP material is improved, the elongation and the tearing strength of the prepared MPP material are increased, and the impact property is improved.
The raw materials of the modified MPP cable protection tube are added with a certain proportion of additives, so that the physical and mechanical properties, elasticity and other properties of the product are improved compared with the prior art;
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A modified MPP cable protection pipe comprises the following components in percentage by weight: comprises the following raw materials in parts by weight: 120 parts of modified acrylic resin, 10 parts of graphene A8 parts of carbon black, 6 parts of coupling agent, 11 parts of toughening agent, 3 parts of compatibilizer, 6 parts of lubricant, 1.5 parts of antioxidant, 1 part of nano calcium carbonate, 0.6 part of titanium dioxide and 21 parts of flame retardant.
The preparation method of the modified MPP cable protection tube of the embodiment includes the following steps:
s1: adding nano calcium carbonate into a mixing stirrer according to the weight part, heating to stir for the first time, then adding a coupling agent to stir for the second time, cooling and standing to obtain a mixture;
s2: adding the modified acrylic resin, the graphene A, the carbon black, the toughening agent, the compatibilizer, the lubricant, the antioxidant, the titanium dioxide and the flame retardant into the mixture obtained in the step S1 in sequence according to the parts by weight, continuously stirring and discharging;
s3: and (4) injecting the mixture obtained in the step S2 into a conical double-screw extruder, and plasticizing and granulating at 280 ℃ to obtain the modified MPP cable protection tube.
Example 2
The modified MPP cable protection pipe comprises the following components in percentage by weight: comprises the following raw materials in parts by weight: 130 parts of modified acrylic resin, 7 parts of graphene A, 9 parts of carbon black, 7.5 parts of a coupling agent, 12.5 parts of a toughening agent, 4.5 parts of a compatibilizer, 5.5 parts of a lubricant, 2 parts of an antioxidant, 1.5 parts of nano calcium carbonate, 0.8 part of titanium dioxide and 25 parts of a flame retardant.
The preparation method of the modified MPP cable protection tube of the embodiment includes the following steps:
s1: adding nano calcium carbonate into a mixing stirrer according to the weight part, heating to stir for the first time, then adding a coupling agent to stir for the second time, cooling and standing to obtain a mixture;
s2: adding the modified acrylic resin, the graphene A, the carbon black, the toughening agent, the compatibilizer, the lubricant, the antioxidant, the titanium dioxide and the flame retardant into the mixture obtained in the step S1 in sequence according to the parts by weight, continuously stirring and discharging;
s3: and (4) injecting the mixture obtained in the step S2 into a conical double-screw extruder, and plasticizing and granulating at 270 ℃ to obtain the modified MPP cable protection tube.
Example 3
A modified MPP cable protection pipe comprises the following components in percentage by weight: comprises the following raw materials in parts by weight: 125 parts of modified acrylic resin, 10 parts of graphene A8 parts of carbon black, 7 parts of coupling agent, 12 parts of toughening agent, 4 parts of compatibilizer, 5 parts of lubricant, 1.5 parts of antioxidant, 1 part of nano calcium carbonate, 1 part of titanium dioxide and 20 parts of flame retardant.
The preparation method of the modified MPP cable protection tube of the embodiment includes the following steps:
s1: adding nano calcium carbonate into a mixing stirrer according to the weight part, heating to stir for the first time, then adding a coupling agent to stir for the second time, cooling and standing to obtain a mixture;
s2: adding the modified acrylic resin, the graphene A, the carbon black, the toughening agent, the compatibilizer, the lubricant, the antioxidant, the titanium dioxide and the flame retardant into the mixture obtained in the step S1 in sequence according to the parts by weight, continuously stirring and discharging;
s3: and (4) injecting the mixture obtained in the step S2 into a conical double-screw extruder, and plasticizing and granulating at 280 ℃ to obtain the modified MPP cable protection tube.
Comparative example
A modified MPP cable protection pipe comprises the following components in percentage by weight: comprises the following raw materials in parts by weight: 100 parts of modified acrylic resin, 9 parts of graphene A10 parts, 9 parts of carbon black, 3 parts of a coupling agent, 6 parts of a toughening agent, 6 parts of a compatibilizer, 6 parts of a lubricant, 0.2 part of an antioxidant, 0.5 part of nano calcium carbonate, 1 part of titanium dioxide and 10 parts of a flame retardant.
The preparation method of the modified MPP cable protection tube of the embodiment includes the following steps:
s1: adding nano calcium carbonate into a mixing stirrer according to the weight part, heating to stir for the first time, then adding a coupling agent to stir for the second time, cooling and standing to obtain a mixture;
s2: adding the modified acrylic resin, the graphene A, the carbon black, the toughening agent, the compatibilizer, the lubricant, the antioxidant, the titanium dioxide and the flame retardant into the mixture obtained in the step S1 in sequence according to the parts by weight, continuously stirring and discharging;
s3: and (4) injecting the mixture obtained in the step S2 into a conical double-screw extruder, and plasticizing and granulating at 280 ℃ to obtain the modified MPP cable protection tube.
The modified MPP cable protection tube prepared in the above 3 groups of examples was tested for various mechanical properties, and the results are shown in the following table:
as can be seen from the above table, the melt flow rate, tensile strength, elongation at break and flexural strength of the modified MPP cable protection tube prepared by the present invention are relatively reduced; the raw materials are added with the specially-made modified acrylic resin, so that various mechanical properties of the MPP material can be optimized, and the cable protection tube prepared by using the MPP material has the characteristics of strong corrosion resistance, good electrical insulation, high mechanical strength, small friction coefficient, heat resistance, cold resistance, long service life and the like.
In addition, each part of the modified acrylic resin comprises the following raw materials in parts by weight: 40-60 parts of monomer, 5-15 parts of acrylamide, 0.01-5 parts of graphene B, 50-120 parts of CPE resin, 30-60 parts of acrylic acid, 10-15 parts of deionized water and 0.01-1.0 part of tert-butyl hydroperoxide.
Specifically, the monomer comprises a crosslinking monomer and a soft monomer, wherein the crosslinking monomer is at least one of N-hydroxymethyl acrylamide and N-isobutoxy methyl acrylamide; the soft monomer is at least one of butyl acrylate, ethyl acrylate or methyl acrylate.
It is worth noting that graphene B is few-layer graphene oxide and has a particle size of 50-80 nm.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A modified MPP cable protection pipe which is characterized in that: comprises the following raw materials in parts by weight: 120-130 parts of modified acrylic resin, 7-8 parts of graphene A, 9-11 parts of carbon black, 6-8 parts of coupling agent, 11-13 parts of toughening agent, 3-5 parts of compatibilizer, 4-6 parts of lubricant, 0.5-2 parts of antioxidant, 0.5-1.5 parts of nano calcium carbonate, 0.5-1 part of titanium dioxide and 20-30 parts of flame retardant.
2. The modified MPP cable protection tube of claim 1, wherein: the graphene A is single-layer graphene oxide, and the oxygen content is 20-40 wt%.
3. The modified MPP cable protection tube of claim 1, wherein: the flame retardant is a composition of flame-retardant viscose fibers and an intumescent flame retardant, and the weight ratio of the flame-retardant viscose fibers to the intumescent flame retardant in the flame retardant is 1: 1.
4. the modified MPP cable protection tube of claim 1, wherein: the compatibilizer is maleic anhydride grafted polypropylene PP-g-MAH or PP-g-ST, and the toughening agent is at least one of POE, TPE and EPDM.
5. The modified MPP cable protection tube of claim 1, wherein: the lubricant is a mixture of silicone oil and paraffin wax in a weight ratio of 1:2, and the antioxidant is at least one of pentaerythritol ester, phosphorous acid, sulfuric acid and phenols.
6. The modified MPP cable protection tube of claim 1, wherein: the coupling agent is a silane coupling agent and a titanate coupling agent according to the weight ratio of 1-1.5: 1, in a mixture of the components.
7. The modified MPP cable protection tube of claim 1, wherein: each part of the modified acrylic resin comprises the following raw materials in parts by weight: 40-60 parts of monomer, 5-15 parts of acrylamide, 0.01-5 parts of graphene B, 50-120 parts of CPE resin, 30-60 parts of acrylic acid, 10-15 parts of deionized water and 0.01-1.0 part of tert-butyl hydroperoxide.
8. The modified MPP cable protection tube of claim 7, wherein: the monomer comprises a crosslinking monomer and a soft monomer, wherein the crosslinking monomer is at least one of N-hydroxymethyl acrylamide and N-isobutoxy methyl acrylamide; the soft monomer is at least one of butyl acrylate, ethyl acrylate or methyl acrylate.
9. The modified MPP cable protection tube of claim 7, wherein: the graphene B is few-layer graphene oxide, and the particle size is 50-80 nm.
10. The modified MPP cable protection tube of any one of claims 1 to 9, wherein: the preparation method comprises the following steps:
s1: adding nano calcium carbonate into a mixing stirrer according to the weight part, heating to stir for the first time, then adding a coupling agent to stir for the second time, cooling and standing to obtain a mixture;
s2: adding the modified acrylic resin, the graphene A, the carbon black, the toughening agent, the compatibilizer, the lubricant, the antioxidant, the titanium dioxide and the flame retardant into the mixture obtained in the step S1 in sequence according to the parts by weight, continuously stirring and discharging;
s3: and (4) injecting the mixture obtained in the step S2 into a conical double-screw extruder, and plasticizing and granulating at the temperature of 260-300 ℃ to obtain the modified MPP cable protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422304.2A CN111363286A (en) | 2020-05-19 | 2020-05-19 | Modified MPP cable protection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422304.2A CN111363286A (en) | 2020-05-19 | 2020-05-19 | Modified MPP cable protection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111363286A true CN111363286A (en) | 2020-07-03 |
Family
ID=71205820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010422304.2A Pending CN111363286A (en) | 2020-05-19 | 2020-05-19 | Modified MPP cable protection pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111363286A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140005304A1 (en) * | 2012-07-02 | 2014-01-02 | Baker Hughes Incorporated | Nanocomposite and method of making the same |
| CN110194879A (en) * | 2019-04-30 | 2019-09-03 | 广东安恒塑业有限公司 | A kind of MPP material of high intensity and preparation method thereof and cable protection pipe obtained |
| CN110358186A (en) * | 2019-07-04 | 2019-10-22 | 镇江华科通信设备有限公司 | A kind of heat-resistant fireproof MPP cable protection pipe and preparation method thereof |
-
2020
- 2020-05-19 CN CN202010422304.2A patent/CN111363286A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140005304A1 (en) * | 2012-07-02 | 2014-01-02 | Baker Hughes Incorporated | Nanocomposite and method of making the same |
| CN110194879A (en) * | 2019-04-30 | 2019-09-03 | 广东安恒塑业有限公司 | A kind of MPP material of high intensity and preparation method thereof and cable protection pipe obtained |
| CN110358186A (en) * | 2019-07-04 | 2019-10-22 | 镇江华科通信设备有限公司 | A kind of heat-resistant fireproof MPP cable protection pipe and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110194879B (en) | High-strength MPP material, preparation method thereof and prepared cable protection tube | |
| CN110577717B (en) | Scratch-resistant flame-retardant PP (polypropylene) modified material and preparation method thereof | |
| CN104245826B (en) | Fluoroelastomer composition and manufacture method, formed body, cross-linking agent and covered electric cable | |
| CN109161120B (en) | Anti-aging material, preparation method and application in preparation of cable protection pipe | |
| CN105367883B (en) | A kind of micro- cross-linking low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof | |
| CN109161073A (en) | A kind of ageing-resistant anti-ballistic materials and preparation method thereof and cable protection pipe obtained | |
| CN1117121C (en) | Fire-retardant polyolefin type resin, its prepn. method and fire-retardant cablt | |
| CN1223628C (en) | Silicon alkyl cross bonding polyethylene fire-retardancy insulating plastics | |
| CN110885509A (en) | Low-temperature soft polyvinyl chloride elastomer cable material for charging pile cable | |
| CN113861587A (en) | Special pipe for rainwater drainage of high-rise building and preparation method and application thereof | |
| CN1908048A (en) | Preparation method of water tree resisting insulation material | |
| CN108034126B (en) | Halogen-free flame-retardant polyolefin composite material and preparation method thereof | |
| CN111454532B (en) | Special material for modified polypropylene cable protection pipe | |
| CN105885248A (en) | Silane crosslinked rubber cable sheath material | |
| CN112898688A (en) | Medium-low voltage grade halogen-free flame-retardant ethylene propylene rubber insulating material and preparation method thereof | |
| CN111363286A (en) | Modified MPP cable protection pipe | |
| CN111423678A (en) | Improvement type CPVC power tube | |
| CN112521675B (en) | Insulating cold-resistant cable material and preparation method and application thereof | |
| CN111423665B (en) | Polypropylene-based composite material for coating metal and preparation method and application thereof | |
| CN114621526A (en) | Environment-friendly polypropylene composite material and preparation method thereof | |
| CN110776695B (en) | Antistatic polypropylene composition and preparation method thereof | |
| CN111875869A (en) | Low-smoke halogen-free flame-retardant polyolefin cable material based on silane copolymer, preparation method thereof and cable | |
| CN113248823A (en) | Compression-resistant and wear-resistant flame-retardant cable material and preparation method thereof | |
| WO2020168979A1 (en) | Fatigue-proof insulating pvc plastic | |
| CN107501710B (en) | 150 ℃ heat-resistant cross-linked low-smoke halogen-free electronic wire material and manufacturing method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200703 |
|
| RJ01 | Rejection of invention patent application after publication |