CN106810660A - High power cable Insulation Material and preparation method thereof - Google Patents
High power cable Insulation Material and preparation method thereof Download PDFInfo
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- CN106810660A CN106810660A CN201710103496.9A CN201710103496A CN106810660A CN 106810660 A CN106810660 A CN 106810660A CN 201710103496 A CN201710103496 A CN 201710103496A CN 106810660 A CN106810660 A CN 106810660A
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- insulation material
- power cable
- high power
- cable insulation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- 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
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of high power cable Insulation Material and preparation method thereof, belong to organic polymer synthesis technical field.Described preparation method is to be well mixed PPG A and PPG B, vacuum dehydration after intensification, isocyanates is added to be reacted after cooling, obtain prepolymer, then chain extender diethylaminoethanol, tin catalyst T9 and antioxidant are well mixed, being added to after mixing with prepolymer in cold feed extruder carries out extrusion molding, obtains high power cable Insulation Material.High power cable Insulation Material performance of the invention exceeds well over the standard of heat-resisting 105 DEG C of PVC cable materials of Standard, and heat aging can also reach the requirement of GB, hydrolysis, rub resistance, and with low-temperature pliability, preparation method uses one-step synthesis, it is not necessary to granulated, simple to operation.
Description
Technical field
The present invention relates to a kind of high power cable Insulation Material and preparation method thereof, belong to organic polymer synthetic technology neck
Domain.
Background technology
With the fast development of power industry, China also increases increasingly to high pressure, the demand of EHV XLPE power cable, high pressure
The consumption of cross-linked cable insulant also accordingly increases.The High Voltage XLPE Power Cable Insulation Material that China uses relies primarily on import, mostly
The U.S. joins the trans-corporations such as carbon, Borealis and is produced, therefore, it is necessary to carry out independent research to it.
The content of the invention
It is an object of the invention to provide a kind of high power cable Insulation Material, the good characteristic with hydrolysis, rub resistance,
The standard of heat-resisting 105 DEG C of PVC cable materials of the far super Standard of its performance, present invention simultaneously provides its preparation method.
The preparation method of high power cable Insulation Material of the present invention, comprises the following steps：
(1) PPG A and PPG B are well mixed, then vacuum dehydration after intensification lowered the temperature, plus
Enter isocyanates to be reacted, obtain prepolymer, detect qualified rear closed save backup；
(2) chain extender diethylaminoethanol, tin catalyst T9 and antioxidant are well mixed, it is standby；
(3) mixture obtained in prepolymer and step (2) is added in cold feed extruder carries out extrusion molding, obtains
To high power cable Insulation Material.
Wherein：
The average molecular mass of the PPG A in step (1) is 5500-9500, and degree of functionality is 3.5-5.2；
PPG B in step (1) is PolyTHF ethoxylated polyhydric alcohol, and relative molecular mass is 500-2500, official
Energy degree is 1.5-2.5；
The mass ratio of PPG A and PPG B is 1 in step (1):2.
115-125 DEG C is warming up in step (1), dehydrated under vacuum 3h is cooled to 50 DEG C.
Isocyanates in step (1) is IPDI, the consumption of isocyanates for PPG A and
0.5-0.8 times of PPG B gross masses.
Reaction temperature is 80-90 DEG C in step (1), and the reaction time is 5h.
Detect that isocyanate content is closed after 10-15% in step (1) to save backup.
Antioxidant in step (2) is 2,6- di-tert-butyl-4-methy phenols, diethylaminoethanol, tin catalyst T9
It is 20 with the mass ratio of antioxidant:1:5.
The mass ratio of the mixture obtained in the prepolymer and step (2) in step (3) is 50:1-70:1.
The present invention has the beneficial effect that：
(1) high power cable Insulation Material performance of the invention exceeds well over heat-resisting 105 DEG C of PVC cable materials of Standard
Standard, heat aging can also reach the requirement of GB；
(2) hydrolysis, rub resistance, and with low-temperature pliability；
(3) preparation method uses one-step synthesis, it is not necessary to granulated, simple to operation.
Specific embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
The preparation method of high power cable Insulation Material, comprises the following steps：
(1) by PPG A and PPG B according to 1:2 mass ratio is well mixed, and is warming up to 115-125 DEG C
Vacuum dehydration 3h, is then cooled to 50 DEG C afterwards, adds IPDI, in 5h is reacted at 80-90 DEG C, obtains pre-polymerization
Thing, sampling detection isocyanate content is closed to save backup in 10--15%；Wherein, PPG A's is average relative
Molecular mass is 5500-9500, and degree of functionality is 3.5-5.2；PPG B is PolyTHF ethoxylated polyhydric alcohol, average molecular
Quality is 500-2500, and degree of functionality is 1.5-2.5；
(2) by chain extender diethylaminoethanol, tin catalyst T9 and 2,6- three-level butyl -4- methylphenols according to 20:
1:5 mass ratio is well mixed, standby；
(3) mixture obtained in prepolymer and step (2) is added in cold feed extruder carries out extrusion molding, obtains
To high power cable Insulation Material.
Claims (9)
1. a kind of preparation method of high power cable Insulation Material, it is characterised in that：Comprise the following steps：
(1) PPG A and PPG B are well mixed, then vacuum dehydration after intensification lowered the temperature, are added different
Cyanate is reacted, and obtains prepolymer, detects qualified rear closed save backup；
The average molecular mass of the PPG A is 5500-9500, and degree of functionality is 3.5-5.2；
The PPG B is PolyTHF ethoxylated polyhydric alcohol, and relative molecular mass is 500-2500, and degree of functionality is 1.5-
2.5；
(2) diethylaminoethanol, tin catalyst T9 and antioxidant are well mixed, it is standby；
(3) mixture obtained in prepolymer and step (2) is added in cold feed extruder carries out extrusion molding, obtains big
Power cable Insulation Material.
2. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：Gather in step (1)
The mass ratio of ethoxylated polyhydric alcohol A and PPG B is 1:2.
3. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：Risen in step (1)
To 115-125 DEG C, dehydrated under vacuum 3h is cooled to 50 DEG C to temperature.
4. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：In step (1)
Isocyanates is IPDI, and the consumption of isocyanates is PPG A and PPG B gross masses
0.5-0.8 times.
5. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：It is anti-in step (1)
Answer temperature for 80-90 DEG C, the reaction time is 5h.
6. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：Inspection in step (1)
Survey that isocyanate content is closed after 10-15% saves backup.
7. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：In step (2)
Antioxidant is 2,6- di-tert-butyl-4-methy phenols, and the mass ratio of diethylaminoethanol, tin catalyst T9 and antioxidant is
20:1:5。
8. the preparation method of high power cable Insulation Material according to claim 1, it is characterised in that：In step (3)
The mass ratio of the mixture obtained in prepolymer and step (2) is 50:1-70:1.
9. a kind of high power cable Insulation Material, it is characterised in that：It is prepared into using any preparation methods of claim 1-8
Arrive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103496.9A CN106810660A (en) | 2017-02-24 | 2017-02-24 | High power cable Insulation Material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103496.9A CN106810660A (en) | 2017-02-24 | 2017-02-24 | High power cable Insulation Material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106810660A true CN106810660A (en) | 2017-06-09 |
Family
ID=59111855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103496.9A Pending CN106810660A (en) | 2017-02-24 | 2017-02-24 | High power cable Insulation Material and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106810660A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563234A (en) * | 2004-03-22 | 2005-01-12 | 江苏省化工研究所有限公司 | Structural flame retardant type spray coating material of polyurethane elastomer and construction method |
| CN1886436A (en) * | 2003-12-01 | 2006-12-27 | 巴斯福股份公司 | Thermplastic polyurethane containing polymer polyols |
| CN101550327A (en) * | 2008-04-03 | 2009-10-07 | 航天材料及工艺研究所 | High hardness high-toughness polyurethane casting compound and application thereof |
| CN103059555A (en) * | 2013-01-17 | 2013-04-24 | 浙江亿诚聚氨酯制造有限公司 | Nano-composite polyether thermoplastic polyurethane elastomer composition and preparation method thereof |
| CN103804622A (en) * | 2012-11-08 | 2014-05-21 | 合肥杰事杰新材料股份有限公司 | High-performance thermoplastic polyurethane and its preparation method |
| CN105331088A (en) * | 2015-11-18 | 2016-02-17 | 许劼 | Pultrusion PU (polyurethane) resin composite material and preparation method thereof |
-
2017
- 2017-02-24 CN CN201710103496.9A patent/CN106810660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886436A (en) * | 2003-12-01 | 2006-12-27 | 巴斯福股份公司 | Thermplastic polyurethane containing polymer polyols |
| CN1563234A (en) * | 2004-03-22 | 2005-01-12 | 江苏省化工研究所有限公司 | Structural flame retardant type spray coating material of polyurethane elastomer and construction method |
| CN101550327A (en) * | 2008-04-03 | 2009-10-07 | 航天材料及工艺研究所 | High hardness high-toughness polyurethane casting compound and application thereof |
| CN103804622A (en) * | 2012-11-08 | 2014-05-21 | 合肥杰事杰新材料股份有限公司 | High-performance thermoplastic polyurethane and its preparation method |
| CN103059555A (en) * | 2013-01-17 | 2013-04-24 | 浙江亿诚聚氨酯制造有限公司 | Nano-composite polyether thermoplastic polyurethane elastomer composition and preparation method thereof |
| CN105331088A (en) * | 2015-11-18 | 2016-02-17 | 许劼 | Pultrusion PU (polyurethane) resin composite material and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |
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| RJ01 | Rejection of invention patent application after publication |