CN110452468B - Thermoplastic cable insulating material and preparation method thereof - Google Patents
Thermoplastic cable insulating material and preparation method thereof Download PDFInfo
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- CN110452468B CN110452468B CN201910910850.8A CN201910910850A CN110452468B CN 110452468 B CN110452468 B CN 110452468B CN 201910910850 A CN201910910850 A CN 201910910850A CN 110452468 B CN110452468 B CN 110452468B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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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Abstract
The invention provides a thermoplastic cable insulating material and a preparation method thereof. The thermoplastic cable insulation material provided by the invention is prepared from the following raw materials in parts by mass: 100 parts of polypropylene resin; 10-50 parts of hydrogenated styrene-butadiene-styrene block copolymer; 0.2-0.6 part of antioxidant. The invention adopts the specific hydrogenated styrene-butadiene-styrene block copolymer (SEBS) and the antioxidant to jointly modify the polypropylene resin according to a certain proportion, can effectively reduce the hardness, modulus and thermal deformation of the material, and improve the heat resistance and thermal stability of the material, so that the material meets the service performance requirements of the crosslinked polyethylene cable insulating material.
Description
Technical Field
The invention relates to the technical field of cable materials, in particular to a thermoplastic cable insulating material and a preparation method thereof.
Background
As is well known, the crosslinked polyethylene cable has wide application in medium-high voltage, ultrahigh voltage and even extra-high voltage alternating current power transmission, and has the advantages of excellent electrical property, high temperature resistance (which can reach 90 ℃ for a long time), good processability, softness, good stability and the like. However, crosslinked polyethylene belongs to thermosetting polymer materials and has the characteristics of insolubility and insolubility, so that the recovery and the reuse of thousands of tons of waste crosslinked polyethylene cables with expired service life become troublesome worldwide problems, and the environment is seriously polluted; meanwhile, some defective products in the production process of the crosslinked polyethylene cable cause waste and environmental pollution due to the fact that cable materials cannot be recycled.
Therefore, in order to solve the problems of insolubility, insolubility and difficult recycling of the crosslinked polyethylene cable material, it is necessary to develop a soluble and meltable substitute cable material while satisfying the electrical and physical and mechanical properties of the crosslinked polyethylene cable material. Among them, thermoplastic soluble and meltable polymer materials are preferred, but thermoplastic polymer materials generally have problems of physical and mechanical properties such as hardness, high modulus and the like, so that the cable has large bending radius, poor thermal stability and the like, and the transportation, installation and use of the cable are influenced.
Disclosure of Invention
In view of the above, the present invention provides a thermoplastic cable insulation material and a preparation method thereof. The thermoplastic electric insulating material provided by the invention is soluble, and the physical and mechanical properties such as modulus, thermal stability, electrical property and the like meet the requirements of cable materials, so that the thermoplastic electric insulating material can better replace crosslinked polyethylene to be used as the cable material.
The invention provides a thermoplastic cable insulating material which is prepared from the following raw materials in parts by mass:
100 parts of polypropylene resin;
10-50 parts of hydrogenated styrene-butadiene-styrene block copolymer;
0.2-0.6 part of antioxidant.
Preferably, the polypropylene resin is a copolymer polypropylene resin;
the ethylene content of the copolymerization type polypropylene resin is 1-7%.
Preferably, the melt index of the polypropylene resin is 2-3 g/10 min.
Preferably, the hydrogenated styrene-butadiene-styrene block copolymer has a number average molecular weight of 22 ten thousand or more.
Preferably, the styrene content of the hydrogenated styrene-butadiene-styrene block copolymer is 20% to 40%.
Preferably, the antioxidant is pentaerythrityl tetrakis { beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate } and/or 4, 4' -thiobis (6-tert-butyl-3-methylphenol).
Preferably, the content of the hydrogenated styrene-butadiene-styrene block copolymer is 25 to 35 parts.
The invention also provides a preparation method of the thermoplastic cable insulating material in the technical scheme, which comprises the following steps:
and mixing and banburying the polypropylene resin, the hydrogenated styrene-butadiene-styrene block copolymer and the antioxidant to obtain the cable insulating material.
Preferably, the banburying temperature is 200-250 ℃ and the banburying time is 10-15 min.
Preferably, the banburying rotation speed is 40-70 r/min.
The invention provides a thermoplastic cable insulating material which is prepared from the following raw materials in parts by mass: 100 parts of polypropylene resin; 10-50 parts of hydrogenated styrene-butadiene-styrene block copolymer; 0.2-0.6 part of antioxidant. The invention adopts the specific hydrogenated styrene-butadiene-styrene block copolymer (SEBS) and the antioxidant to jointly modify the polypropylene resin according to a certain proportion, can effectively reduce the hardness, modulus and thermal deformation of the material, and improve the heat resistance and thermal stability of the material, so that the material meets the service performance requirements of the crosslinked polyethylene cable insulating material.
Detailed Description
The invention provides a thermoplastic cable insulating material which is prepared from the following raw materials in parts by mass:
100 parts of polypropylene resin;
10-50 parts of hydrogenated styrene-butadiene-styrene block copolymer;
0.2-0.6 part of antioxidant.
According to the invention, the polypropylene resin is modified by adopting the specific hydrogenated styrene-butadiene-styrene block copolymer (SEBS) and the antioxidant together according to a certain proportion, so that the hardness and modulus of the material can be effectively reduced, the heat resistance and the thermal stability of the material are improved, the material meets the use performance requirements of the crosslinked polyethylene cable insulating material, meanwhile, the material has dissoluble thermoplasticity, can be repeatedly processed and recycled, is environment-friendly, and overcomes the problem of difficulty in recycling the crosslinked polyethylene electric insulating material.
In the present invention, the polypropylene resin is preferably a copolymer polypropylene resin, and more preferably a random copolymer polypropylene resin PP-R. The copolymer polypropylene is obtained by copolymerizing a propylene monomer and a small amount of an ethylene monomer under the conditions of heating and pressurizing, and the ethylene monomer is distributed in a propylene long chain. In the random copolymer type polypropylene resin, the ethylene monomer is randomly and randomly distributed in the propylene long chain.
In the present invention, the ethylene content of the copolymer polypropylene resin is preferably 1% to 7%, more preferably 4% to 7%. In some embodiments of the invention, the ethylene content of the co-polypropylene resin is 1%, 4%, 7% or 10%.
In the invention, the melt index of the polypropylene resin is preferably 2-3 g/10 min. The melt index is a fluidity value in processing of plastic materials, also called melt flow rate, and the unit is g/10min, and the resin can be divided into different types or brands according to the melt index. The source of the polypropylene resin is not particularly limited in the present invention, and the polypropylene resin may be a general commercial product or a resin prepared by a method known to those skilled in the art.
In the present invention, the styrene content of the hydrogenated styrene-butadiene-styrene block copolymer (i.e., SEBS) is preferably 20% to 40%, and more preferably 20% to 30%. In some embodiments of the invention, the hydrogenated styrene-butadiene-styrene block copolymer has a styrene content of 20% or 30%.
In the present invention, the number average molecular weight of the hydrogenated styrene-butadiene-styrene block copolymer is preferably not less than 22 ten thousand, and more preferably 23 to 28 ten thousand. In the present invention, the source of the hydrogenated styrene-butadiene-styrene block copolymer is not particularly limited, and a commercially available product may be used.
According to the invention, the content of the hydrogenated styrene-butadiene-styrene block copolymer is 10-50 parts based on 100 parts of the polypropylene resin, and the hydrogenated styrene-butadiene-styrene block copolymer is matched according to the proportion, so that the hardness and modulus of the polypropylene resin can be effectively reduced, and the thermal stability of the polypropylene resin is improved. The content of the hydrogenated styrene-butadiene-styrene block copolymer is more preferably 25-35 parts, and under the use amount, the physical and mechanical properties and the electric insulation property of the material can be further improved. In some embodiments of the invention, the hydrogenated styrene-butadiene-styrene block copolymer is used in an amount of 10 parts, 15 parts, 25 parts, or 35 parts.
In the invention, the antioxidant is preferably selected from tetra { beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid } pentaerythritol ester (namely antioxidant 1010) and/or 4, 4' -thiobis (6-tert-butyl-3-methylphenol) (namely antioxidant 300), the antioxidant can be used for cooperating with SEBS to modify polypropylene resin, reduce the hardness and modulus of the material and improve the heat resistance of the material, and the introduction of the antioxidant can effectively prevent the degradation of polypropylene, protect the macromolecular chain of the polypropylene and further improve the thermal stability of the polypropylene resin. In the present invention, the source of the antioxidant is not particularly limited, and may be any commercially available product.
In the invention, the content of the polypropylene resin is 100 parts as a reference, and the using amount of the antioxidant is 0.2-0.6 part. In some embodiments of the invention, the antioxidant is used in an amount of 0.5 parts.
The invention provides a thermoplastic cable insulation material, which adopts a specific hydrogenated styrene-butadiene-styrene block copolymer (SEBS) and an antioxidant to jointly modify polypropylene resin according to a specific proportion, can effectively reduce the hardness and modulus of the material, and improve the heat resistance and thermal stability of the material, so that the material meets the service performance requirements of the crosslinked polyethylene cable insulation material.
The invention also provides a preparation method of the thermoplastic cable insulating material in the technical scheme, which comprises the following steps: and mixing and banburying the polypropylene resin, the hydrogenated styrene-butadiene-styrene block copolymer and the antioxidant to obtain the cable insulating material.
The characteristics of the polypropylene resin, the hydrogenated styrene-butadiene-styrene block copolymer, the antioxidant, such as the type, the amount and the source, are consistent with those in the technical scheme, and are not described in detail herein.
In the present invention, the internal mixing may be carried out by means of an internal mixer, which is mixed in a mixer of a torque rheometer. The banburying temperature is preferably 200-250 ℃, and more preferably 210-230 ℃. The banburying time is preferably 10-15 min. In the invention, the banburying rotation speed is preferably 40-70 r/min, and more preferably 60 r/min. The cable insulation material is obtained through banburying, and then the cable insulation material can be processed into products with required shapes and sizes according to actual requirements. The preparation method provided by the invention is simple and feasible, has mild conditions, and is convenient for large-scale production and application.
For a further understanding of the present invention, reference will now be made to the following preferred embodiments of the invention in conjunction with the examples, but it is to be understood that the description is intended to further illustrate the features and advantages of the invention and is not intended to limit the scope of the claims which follow.
Example 1
Raw materials: 100 parts of copolymerized PP, the melt index of which is 2.2g/10min, and the ethylene content of which is 4 percent; 10 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the raw materials are put into an internal mixer, are internally mixed for 12min at the temperature of 210 ℃ and the rotating speed of 60rpm, and are melted and blended to prepare the cable insulating material.
Example 2
Raw materials: 100 parts of copolymerized PP, the melt index is 2.2g/10min, and the ethylene content is 4%; 15 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the raw materials are put into an internal mixer, and are internally mixed for 12min at 210 ℃ and 60rpm, and the cable insulating material is prepared by melt blending.
Example 3
Raw materials: 100 parts of copolymerized PP, the melt index of which is 2.2g/10min, and the ethylene content of which is 4 percent; 25 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the raw materials are put into an internal mixer, are internally mixed for 12min at the temperature of 210 ℃ and the rotating speed of 60rpm, and are melted and blended to prepare the cable insulating material.
Example 4
Raw materials: 100 parts of copolymerized PP, the melt index is 2.2g/10min, and the ethylene content is 4%; 35 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the raw materials are put into an internal mixer, are internally mixed for 12min at the temperature of 210 ℃ and the rotating speed of 60rpm, and are melted and blended to prepare the cable insulating material.
Example 5
Raw materials: 100 parts of copolymerized PP, the melt index of which is 2.2g/10min, and the ethylene content of which is 4 percent; 25 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 20 percent; 0.5 part of antioxidant 1010;
the raw materials are put into an internal mixer, and are internally mixed for 12min at 210 ℃ and 60rpm, and the cable insulating material is prepared by melt blending.
Comparative example 1
Samples were prepared according to the procedure for preparation of the starting material of example 1, except that 3 parts of SEBS and 0.1 part of antioxidant were used.
Example 6
Respectively placing the cable insulating materials prepared in the examples 1-5 and the comparative example 1 into a mold, and pressing the cable insulating materials into a bobble-sheet-shaped test sample through a flat vulcanizing machine; the temperature of the plate vulcanizing machine is 190-200 ℃, the pressure is 8-12 MPa, and the pressing time is 5-15 min.
The resulting test samples were tested for modulus, thermal elongation, hardness, and volume resistivity, respectively. The method comprises the following specific steps:
the modulus evaluation method adopts Dynamic Mechanical Analysis (DMA) to test the modulus (rigidity) characteristic of the material under a period of stress and deformation. Firstly, pressing a sample to be measured into a sheet with the thickness of 1mm, and then cutting a sample strip with the length of 4cm multiplied by the width of 1 cm; a stretching mode is adopted, the frequency is 1Hz, the heating rate is 3 ℃/min, the amplitude is 6 mu m, and the scanning temperature is 25-165 ℃.
The test of the hot-stretching performance is referred to the standard GB/T2951.21-2008.
The hardness test was carried out according to GB/T2411-2008/ISO 868:2003, measured with a Shore Durometer (type D).
The volume resistivity is tested according to GB/T12706.2-2002.
The test results are shown in table 1:
TABLE 1 Performance test results for examples 1-5 and comparative example 1
From the test results, compared with polypropylene resin, the modified material obtained by the invention has the advantages of reduced storage modulus, reduced rigidity, very low elongation and permanent deformation at 165 ℃, lower resistivity, better insulating property and reduced Shore D, and meets the JB/T10738-2007 standard of crosslinked polyethylene cable materials. In addition, the raw materials adopted by the material are soluble and fusible thermoplastic polymers, no crosslinking exists in the preparation process, and the cable material can be recycled and is an environment-friendly material.
Compared with the comparative example 1, the storage modulus, the elongation, the permanent deformation, the hardness and the volume resistivity of the modified materials obtained in the examples 1 to 5 are obviously reduced, and the matching of the dosage proportion of the modified materials provided by the invention can improve the physical and mechanical properties of the materials such as modulus, hardness, deformation, electrical insulation and the like.
In examples 1 to 5, the modulus, hardness, volume resistivity, and the like of examples 3 to 5 were further reduced, and it was confirmed that when the amount of SEBS was 25 to 35 parts, the physical and mechanical properties of the material could be further improved. The physical and mechanical properties of example 3 are the best, and the SEBS is used in 35 parts, so that the effect is the best.
Examples 7 to 9
Samples were prepared according to the raw materials and preparation procedures of example 3, except that the ethylene content of the polypropylene resin in the raw materials was 1%, 7%, 10%; are described as examples 7 to 9, respectively.
The properties of the resulting material were tested according to the test method of example 6, and the results are shown in table 2:
table 2 results of Performance testing of examples 7 to 9
As can be seen from the test results in Table 2, the modified materials obtained in examples 3 and 7 to 8 have significantly reduced storage modulus, elongation, permanent set and hardness compared to those of example 9, and it is proved that when the ethylene content in the polypropylene is 1% to 7%, the physical and mechanical properties such as modulus, hardness and deformation of the material can be improved well. The physical and mechanical properties of the polypropylene are better in examples 3 and 8, and the effect is better when the ethylene content in the polypropylene is 4-7%.
The foregoing examples are included merely to facilitate an understanding of the principles of the invention and their core concepts, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The patentable scope of the invention is defined by the claims, and may include other examples that occur to those skilled in the art. Such other embodiments are intended to be within the scope of the claims if they have structural elements that approximate the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.
Claims (1)
1. A thermoplastic cable insulating material is characterized in that,
the raw materials are as follows: 100 parts of copolymerized PP, the melt index is 2.2g/10min, and the ethylene content is 4%; 25 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the preparation process comprises the following steps: putting the raw materials into an internal mixer, carrying out internal mixing for 12min at 210 ℃ and 60rpm, and carrying out melt blending to obtain a cable insulating material;
or
The raw materials are as follows: 100 parts of copolymerized PP, the melt index is 2.2g/10min, and the ethylene content is 4%; 35 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the preparation process comprises the following steps: the raw materials are put into an internal mixer, and are internally mixed for 12min at 210 ℃ and 60rpm, and the cable insulating material is prepared by melt blending;
or
The raw materials are as follows: 100 parts of copolymerized PP, the melt index is 2.2g/10min, and the ethylene content is 7%; 25 parts of SEBS, the molecular weight of which is 25 ten thousand, and the styrene content of which is 30 percent; 0.5 part of antioxidant 1010;
the preparation process comprises the following steps: the raw materials are put into an internal mixer, and are internally mixed for 12min at 210 ℃ and 60rpm, and the cable insulating material is prepared by melt blending.
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| CN113248832A (en) * | 2021-02-03 | 2021-08-13 | 中国电力科学研究院有限公司 | High-voltage direct-current polypropylene cable material |
| CN113105694A (en) * | 2021-03-02 | 2021-07-13 | 中国电力科学研究院有限公司 | Medium-voltage polypropylene cable and preparation method thereof |
| CN115044137B (en) * | 2021-03-09 | 2024-04-12 | 中国石油化工股份有限公司 | Composition for preparing polypropylene material, application thereof, polypropylene material and preparation method and application thereof |
| CN113845734B (en) * | 2021-10-22 | 2023-09-19 | 万华化学（宁波）有限公司 | Thermoplastic polypropylene cable insulating material for high voltage and preparation method thereof |
| CN113999457A (en) * | 2021-12-01 | 2022-02-01 | 国网黑龙江省电力有限公司电力科学研究院 | Polypropylene-based insulating material for environment-friendly cable and preparation method thereof |
| CN114292466A (en) * | 2021-12-07 | 2022-04-08 | 中广核高新核材科技（苏州）有限公司 | Modified polypropylene insulating material for medium and low voltage power cable and preparation method thereof |
| CN116041861A (en) * | 2022-12-15 | 2023-05-02 | 南方电网科学研究院有限责任公司 | Polypropylene-based insulating material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828620B1 (en) * | 2006-12-28 | 2008-05-09 | 호남석유화학 주식회사 | Styrenic thermoplastic resin compositions having thermal resistance and high fluidity |
| CN106519711A (en) * | 2016-11-09 | 2017-03-22 | 安徽中翰高分子科技有限公司 | Low-hardness tear-resistant and high-temperature-resistant TPE and preparation method thereof |
| CN107841050A (en) * | 2017-02-24 | 2018-03-27 | 金发科技股份有限公司 | A kind of low-temperature impact-resistant polypropylene composition |
| CN108084559A (en) * | 2017-12-18 | 2018-05-29 | 宁波斯凯勒智能科技有限公司 | A kind of polypropylene cable material with good flame-retardance energy and preparation method thereof |
| CN110066468A (en) * | 2018-01-23 | 2019-07-30 | 合肥杰事杰新材料股份有限公司 | A kind of low gloss modified polypropylene material and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3117633B2 (en) * | 1995-12-27 | 2000-12-18 | 住友ベークライト株式会社 | Polypropylene sheet |
| KR20100025211A (en) * | 2008-08-27 | 2010-03-09 | 엘에스전선 주식회사 | Polypropylene-based flame-resistant resin composition for cable insulation material with superior mechanical properties |
| CN102532705A (en) * | 2011-12-22 | 2012-07-04 | 中纺投资发展股份有限公司 | Compound of insulating layer or sheath of flame-retardant flexible electric wires and cables |
| WO2013148035A1 (en) * | 2012-03-30 | 2013-10-03 | Dow Global Technologies Llc | Polyolefin elastomer formulations |
| US9982098B2 (en) * | 2015-01-29 | 2018-05-29 | Rextac Llc | Performance APAO hot melt adhesives containing high melt flow rate hydrogenated styrene block copolymers |
| CN106867090B (en) * | 2017-03-13 | 2019-11-05 | 常熟市中联光电新材料有限责任公司 | High temperature resistant soft thermoplastic low-smoke halide-free fireproof composite polyolefine CABLE MATERIALS |
-
2019
- 2019-09-25 CN CN201910910850.8A patent/CN110452468B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828620B1 (en) * | 2006-12-28 | 2008-05-09 | 호남석유화학 주식회사 | Styrenic thermoplastic resin compositions having thermal resistance and high fluidity |
| CN106519711A (en) * | 2016-11-09 | 2017-03-22 | 安徽中翰高分子科技有限公司 | Low-hardness tear-resistant and high-temperature-resistant TPE and preparation method thereof |
| CN107841050A (en) * | 2017-02-24 | 2018-03-27 | 金发科技股份有限公司 | A kind of low-temperature impact-resistant polypropylene composition |
| CN108084559A (en) * | 2017-12-18 | 2018-05-29 | 宁波斯凯勒智能科技有限公司 | A kind of polypropylene cable material with good flame-retardance energy and preparation method thereof |
| CN110066468A (en) * | 2018-01-23 | 2019-07-30 | 合肥杰事杰新材料股份有限公司 | A kind of low gloss modified polypropylene material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| SEBS在PP共混物中的研究进展;杜丽利 等;《合成树脂及塑料》;20021231;第19卷(第5期);第60-64页 * |
| 氢化苯乙烯一丁二烯一苯乙烯嵌段共聚物研究进展;邬智勇;《合成橡胶工业》;20040715;第27卷(第4期);第201-204页 * |
| 汽车拉索护套用增韧PP的性能;叶淑英;《工程塑料应用》;20170710(第07期);第41-45页 * |
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