CN106633548A - Polyvinylidene fluoride heat-shrinkable sleeve and preparation method thereof - Google Patents
Polyvinylidene fluoride heat-shrinkable sleeve and preparation method thereof Download PDFInfo
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- CN106633548A CN106633548A CN201611238482.XA CN201611238482A CN106633548A CN 106633548 A CN106633548 A CN 106633548A CN 201611238482 A CN201611238482 A CN 201611238482A CN 106633548 A CN106633548 A CN 106633548A
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- polyvinylidene fluoride
- antioxidant
- tubing
- light stabilizer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—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 fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/02—Thermal shrinking
- B29C61/025—Thermal shrinking for the production of hollow or tubular articles
-
- 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
- C08L2203/20—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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polyvinylidene fluoride heat-shrinkable sleeve which contains the following components in parts by weight: 100 parts of polyvinylidene fluoride resin, 1-8 parts of antioxidant, 0.5-5 parts of light stabilizer, 5-10 parts of acid absorber, 0.5-3 parts of lubricant and 0-10 parts of coloring agent; the polyvinylidene fluoride resin is one or a mixture of more of the following substances: 1,2-vinyl difluoride homopolymer, 1,2-vinyl difluoride-hexafluoropropylene copolymer and 1,2-vinyl difluoride tetrafluoroethylene copolymer; the antioxidant is 4,4'-bis(alpha, alpha-dimethyl benzyl) diphenylamine; the light stabilizer is poly(1-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxypiperidine) succinate; and the acid absorber is one or a mixture of more of the following substances: magnesium oxide, calcium oxide and zinc oxide. The radiation crosslinked polyvinylidene fluoride heat-shrinkable sleeve disclosed by the invention can completely meet the requirements of UL224 and American military standard SAE-AMS-DTL-23053/18 in performance and can be widely applied to the fields such as locomotives, ships, aerospace and military industry.
Description
Technical field
The present invention relates to a kind of Kynoar thermal contraction casing tube and preparation method thereof, more particularly to can locomotive, ship,
Kynoar thermal contraction casing tube that the fields such as Aero-Space, military project use and preparation method thereof.
Background technology
Kynoar thermal contraction casing tube can be widely applied for the protection of the electronic component of high-temperature oil resistance environment, Yi Ji electricity
Resistance capacitor, the mechanical protection and wire terminations of the insulation of thermocouple and protection and various metal wire classes, continue, terminal
Insulation, protection and reinforcement.
Although fluoroplastics material has been developed over various thermal contraction products, the production technology of these products only has America and Europe
And the fewer companies such as Japan are grasped.Domestic fluoropolymer thermal contraction product development is later, and properties of product aspect can not expire completely
Sufficient UL224 and American army mark SAE-AMS-DTL-23053/18 standards are required.Should in fields such as locomotive, ship, Aero-Space, military projects
The such product used still needs to import.
Existing Kynoar thermal contraction casing tube is mechanical performance, fire resistance, oil resistance, resistance to elevated temperatures, resistance to low
Warm nature can be all poor.
The content of the invention
Present invention mainly solves technical problem be：Overcome existing Kynoar thermal contraction casing tube mechanical performance,
The all poor defect of fire resistance, oil resistance, resistance to elevated temperatures, resistance to low temperature, there is provided one kind can fully meet UL224
Polyvinylidene fluoride heat-shrinkable sleeve required with American army mark SAE-AMS-DTL-23053/18 standards and preparation method thereof.
In order to reach target as above, the invention provides below scheme：A kind of Kynoar thermal contraction casing tube,
It is made up of following component in parts by weight：
100 parts of polyvinylidene fluoride resin；
1 ~ 8 part of antioxidant；
0.5 ~ 5 part of light stabilizer；
5 ~ 10 parts of acid-acceptor；
0.5 ~ 3 part of lubricant；
0 ~ 10 part of coloring agent；
Described polyvinylidene fluoride resin is the mixture of one or more in following material：1,2 difluoroethylene homopolymer；1,
2 difluoroethylenes-hexafluoropropylene copolymer；1,2 difluoroethylene-TFE copolymer；
Described antioxidant be 4,4 '-it is bis-（α, α-dimethyl benzyl）Diphenylamines；
Described light stabilizer is poly-（1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines）Succinate；
Described acid-acceptor is the mixture of one or more in following material：Magnesium oxide；Calcium oxide；Zinc Oxide；
Described lubricant is the mixture of one or more in following material：Second propionyl urea glycol；Polyglycerol ester of fatty acids；
Dimethyl phthalate；Isobutyrone.
In order to reach target as above, the invention provides below scheme：A kind of Kynoar thermal contraction casing tube
Preparation method, it comprises the steps：
Step 1：Weigh by weight 100 parts of polyvinylidene fluoride resin, 1 ~ 8 part of antioxidant, 0.5 ~ 5 part of light stabilizer, acid-acceptor 5 ~
10 parts, 0.5 ~ 3 part of lubricant, 0 ~ 10 part of coloring agent；
Step 2：Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine；
Step 3：, through electron accelerator 120 ~ 250KGy crosslinkings with radiation, the tubing after crosslinking with radiation is 170 ~ 210 for the tubing
2 ~ 4 times are expanded at a temperature of DEG C.
Compared with prior art, the present invention has following technique effect：Kynoar thermal contraction casing tube of the present invention, machinery
Performance is remarkable, excellent fireproof performance, can be tested by the vw-1 of UL224 standards, and oil resistance is projected, and resistance to elevated temperatures is remarkable,
Resistance to low temperature is excellent, through -55 DEG C/4hrs K cryogenic treatment bending flawless.
Specific embodiment
A kind of Kynoar thermal contraction casing tube, is made up of following component in parts by weight：
100 parts of polyvinylidene fluoride resin；
1 ~ 8 part of antioxidant；
0.5 ~ 5 part of light stabilizer；
5 ~ 10 parts of acid-acceptor；
0.5 ~ 3 part of lubricant；
0 ~ 10 part of coloring agent.
Described polyvinylidene fluoride resin is the mixture of one or more in following material：1,2 difluoroethylene homopolymerization
Thing；1,2 difluoroethylene-hexafluoropropylene copolymer；1,2 difluoroethylene-TFE copolymer.
Described antioxidant be 4,4 '-it is bis-（α, α-dimethyl benzyl）Diphenylamines.
Described light stabilizer is poly-（1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines）Succinate.
Described acid-acceptor is the mixture of one or more in following material：Magnesium oxide；Calcium oxide；Zinc Oxide.
Described lubricant is the mixture of one or more in following material：Second propionyl urea glycol；Polyglycereol fat
Acid esters；Dimethyl phthalate；Isobutyrone.
The preparation method of described Kynoar thermal contraction casing tube, it comprises the steps：
Step 1：Weigh by weight 100 parts of polyvinylidene fluoride resin, 1 ~ 8 part of antioxidant, 0.5 ~ 5 part of light stabilizer, acid-acceptor 5 ~
10 parts, 0.5 ~ 3 part of lubricant, 0 ~ 10 part of coloring agent；
Step 2：Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine；
Step 3：, through electron accelerator 120 ~ 250KGy crosslinkings with radiation, the tubing after crosslinking with radiation is 170 ~ 210 for the tubing
2 ~ 4 times are expanded at a temperature of DEG C.
Prepare embodiment 1
1 is taken by weight, 100 parts of 2 difluoroethylenes-hexafluoropropylene copolymer；Antioxidant 4,4 '-bis-（α, α-dimethyl benzyl）
1 part of diphenylamines；Light stabilizer gathers（1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines）5 parts of succinate；Magnesium oxide 5
Part；0.5 part of second propionyl urea glycol.
Above material Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine, described
Through electron accelerator 120KGy crosslinkings with radiation, the tubing after crosslinking with radiation expands 4 times to tubing at a temperature of 200 DEG C, is gathered
Vinylidene thermal contraction casing tube, its performance is as follows：
Anti-flammability：Tested by vw-1；
Mechanical performance, tensile strength：32.1MPa, elongation at break：524%；
Resistance to elevated temperatures, after 250 DEG C/168hrs is aging, tensile strength：26.4MPa, elongation at break：356%；
Resistance to low temperature, through the bending of -55 DEG C/4hrs K cryogenic treatment crackle is visible by naked eyes；
24 DEG C of immersion aerial kerosene after 24 hours, tensile strength：28.5MPa, elongation at break 415%.
Prepare embodiment 2
1 is taken by weight, 80 parts of 2 difluoroethylenes-hexafluoropropylene copolymer；1,2 20 parts of difluoroethylene homopolymer；Antioxidant 4,4 '-
It is double（α, α-dimethyl benzyl）8 parts of diphenylamines；Light stabilizer gathers（1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines）
0.5 part of succinate；4 parts of magnesium oxide；3 parts of calcium oxide；3 parts of Zinc Oxide；1 part of second propionyl urea glycol；Polyglycerol ester of fatty acids 2
Part；5 parts of coloring agent.
Above material Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine, described
Through electron accelerator 250KGy crosslinkings with radiation, the tubing after crosslinking with radiation expands 3 times to tubing at a temperature of 180 DEG C, is gathered
Vinylidene thermal contraction casing tube, its performance is as follows：
Anti-flammability：Tested by vw-1；
Mechanical performance, tensile strength：40.9MPa, elongation at break：464%；
Resistance to elevated temperatures, after 250 DEG C/168hrs is aging, tensile strength：33.4MPa, elongation at break：328%；
Resistance to low temperature, through the bending of -55 DEG C/4hrs K cryogenic treatment crackle is visible by naked eyes；
24 DEG C of immersion aerial kerosene after 24 hours, tensile strength：35.5MPa, elongation at break 334%.
Prepare embodiment 3
1 is taken by weight, 80 parts of 2 difluoroethylenes-hexafluoropropylene copolymer；20 parts of 1,2 difluoroethylene-TFE copolymer；It is anti-
Oxygen agent 4,4 '-bis-（α, α-dimethyl benzyl）5 parts of diphenylamines；Light stabilizer gathers（1- ethoxy -2,2,6,6- tetramethyl -4-
Hydroxy piperidine）3 parts of succinate；4 parts of magnesium oxide；4 parts of Zinc Oxide；1 part of second propionyl urea glycol；1 part of Polyglycerol ester of fatty acids；
3 parts of toner.
Above material Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine, described
Through electron accelerator 200KGy crosslinkings with radiation, the tubing after crosslinking with radiation expands 3 times to tubing at a temperature of 180 DEG C, is gathered
Vinylidene thermal contraction casing tube, its performance is as follows：
Anti-flammability：Tested by vw-1；
Mechanical performance, tensile strength：37.1MPa, elongation at break：457%；
Resistance to elevated temperatures, after 250 DEG C/168hrs is aging, tensile strength：28.4MPa, elongation at break：316%；
Resistance to low temperature, through the bending of -55 DEG C/4hrs K cryogenic treatment crackle is visible by naked eyes；
24 DEG C of immersion aerial kerosene after 24 hours, tensile strength：25.5MPa, elongation at break 357%.
Prepare embodiment 4
1 is taken by weight, 60 parts of 2 difluoroethylenes-hexafluoropropylene copolymer；1,2 20 parts of difluoroethylene homopolymer；1,2 difluoroethylene-
20 parts of TFE copolymer；Antioxidant 4,4 '-bis-（α, α-dimethyl benzyl）4 parts of diphenylamines；Light stabilizer gathers（1- hydroxyls
Ethyl -2,2,6,6- tetramethyl -4- hydroxy piperidines）4 parts of succinate；6 parts of Zinc Oxide；1 part of dimethyl phthalate；Coloring
10 parts of agent.
Above material Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine, described
Through electron accelerator 160KGy crosslinkings with radiation, the tubing after crosslinking with radiation expands 4 times to tubing at a temperature of 210 DEG C, is gathered
Vinylidene thermal contraction casing tube, its performance is as follows：
Anti-flammability：Tested by vw-1；
Mechanical performance, tensile strength：32.1MPa, elongation at break：486%；
Resistance to elevated temperatures, after 250 DEG C/168hrs is aging, tensile strength：24.4MPa, elongation at break：365%；
Resistance to low temperature, through the bending of -55 DEG C/4hrs K cryogenic treatment crackle is visible by naked eyes；
24 DEG C of immersion aerial kerosene after 24 hours, tensile strength：26.2MPa, elongation at break 385%.
Prepare embodiment 5
1 is taken by weight, 70 parts of 2 difluoroethylenes-hexafluoropropylene copolymer；1,2 30 parts of difluoroethylene homopolymer；Antioxidant 4,4 '-
It is double（α, α-dimethyl benzyl）5 parts of diphenylamines；Light stabilizer gathers（1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines）
1 part of succinate；3 parts of magnesium oxide；3 parts of calcium oxide；2 parts of isobutyrone.
Above material Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine, described
Through electron accelerator 180KGy crosslinkings with radiation, the tubing after crosslinking with radiation expands 2 times to tubing at a temperature of 170 DEG C, is gathered
Vinylidene thermal contraction casing tube, its performance is as follows：
Anti-flammability：Tested by vw-1；
Mechanical performance, tensile strength：38.6MPa, elongation at break：396%；
Resistance to elevated temperatures, after 250 DEG C/168hrs is aging, tensile strength：31.5MPa, elongation at break：328%；
Resistance to low temperature, through the bending of -55 DEG C/4hrs K cryogenic treatment crackle is visible by naked eyes；
24 DEG C of immersion aerial kerosene after 24 hours, tensile strength：34.5MPa, elongation at break 301%.
Kynoar thermal contraction casing tube of the present invention, mechanical performance is remarkable, and excellent fireproof performance can pass through UL224 standards
Vw-1 tests, oil resistance projects, and resistance to elevated temperatures is remarkable, and resistance to low temperature is excellent, passes through -55 DEG C/4hrs K cryogenic treatment
Bending flawless.
Kynoar thermal contraction casing tube of the present invention, disclosure satisfy that and exist in fields such as locomotive, ship, Aero-Space, military projects
To insulation protection, mechanical protection of all kinds of electronic devices and components etc. under high-temperature oil resistance environment.
Claims (2)
1. a kind of Kynoar thermal contraction casing tube, is made up of following component in parts by weight：
100 parts of polyvinylidene fluoride resin；
1 ~ 8 part of antioxidant；
0.5 ~ 5 part of light stabilizer；
5 ~ 10 parts of acid-acceptor；
0.5 ~ 3 part of lubricant；
0 ~ 10 part of coloring agent；
Described polyvinylidene fluoride resin is the mixture of one or more in following material：1,2 difluoroethylene homopolymer；1,
2 difluoroethylenes-hexafluoropropylene copolymer；1,2 difluoroethylene-TFE copolymer；
Described antioxidant be 4,4 '-it is bis-（α, α-dimethyl benzyl）Diphenylamines；
Described light stabilizer is poly-（1- ethoxy -2,2,6,6- tetramethyl -4- hydroxy piperidines）Succinate；
Described acid-acceptor is the mixture of one or more in following material：Magnesium oxide；Calcium oxide；Zinc Oxide；
Described lubricant is the mixture of one or more in following material：Second propionyl urea glycol；Polyglycerol ester of fatty acids；
Dimethyl phthalate；Isobutyrone.
2. a kind of preparation method of Kynoar thermal contraction casing tube as claimed in claim 1, it is characterised in that it include as
Lower step：
Step 1：Weigh by weight 100 parts of polyvinylidene fluoride resin, 1 ~ 8 part of antioxidant, 0.5 ~ 5 part of light stabilizer, acid-acceptor 5 ~
10 parts, 0.5 ~ 3 part of lubricant, 0 ~ 10 part of coloring agent；
Step 2：Jing parallel double-screw extruder mixing granulators, are then extruded into tubing with single screw extrusion machine；
Step 3：, through electron accelerator 120 ~ 250KGy crosslinkings with radiation, the tubing after crosslinking with radiation is 170 ~ 210 for the tubing
2 ~ 4 times are expanded at a temperature of DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238482.XA CN106633548A (en) | 2016-12-28 | 2016-12-28 | Polyvinylidene fluoride heat-shrinkable sleeve and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238482.XA CN106633548A (en) | 2016-12-28 | 2016-12-28 | Polyvinylidene fluoride heat-shrinkable sleeve and preparation method thereof |
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| CN106633548A true CN106633548A (en) | 2017-05-10 |
Family
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| CN201611238482.XA Pending CN106633548A (en) | 2016-12-28 | 2016-12-28 | Polyvinylidene fluoride heat-shrinkable sleeve and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283410A (en) * | 2018-03-19 | 2019-09-27 | 浙江省化工研究院有限公司 | A kind of preparation method of Kynoar thermal contraction casing tube |
| CN110920109A (en) * | 2019-10-25 | 2020-03-27 | 龙岩高格微扣科技有限公司 | Machining method for micro-battery insulating shrinkage pipe |
| JP2021045954A (en) * | 2019-01-31 | 2021-03-25 | 株式会社潤工社 | Heat-shrinkable tube having tearable property |
| WO2022059271A1 (en) * | 2020-09-17 | 2022-03-24 | ダイキン工業株式会社 | Fluorine-containing polymer and method for manufacturing same |
| CN114539732A (en) * | 2022-02-21 | 2022-05-27 | 江苏金发科技新材料有限公司 | Polybutylene terephthalate composition and application thereof |
| JP7231863B1 (en) | 2021-09-27 | 2023-03-02 | ダイキン工業株式会社 | Copolymers and molded articles |
| WO2023127686A1 (en) * | 2021-12-28 | 2023-07-06 | ダイキン工業株式会社 | Polymer and ferroelectric material including same |
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Cited By (15)
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| CN110283410A (en) * | 2018-03-19 | 2019-09-27 | 浙江省化工研究院有限公司 | A kind of preparation method of Kynoar thermal contraction casing tube |
| JP2021045954A (en) * | 2019-01-31 | 2021-03-25 | 株式会社潤工社 | Heat-shrinkable tube having tearable property |
| JP7492724B2 (en) | 2019-01-31 | 2024-05-30 | 株式会社潤工社 | Heat shrinkable tubing with tearability |
| CN110920109A (en) * | 2019-10-25 | 2020-03-27 | 龙岩高格微扣科技有限公司 | Machining method for micro-battery insulating shrinkage pipe |
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| JP2022050308A (en) * | 2020-09-17 | 2022-03-30 | ダイキン工業株式会社 | Fluorine-containing polymer and method for manufacturing the same |
| WO2022059271A1 (en) * | 2020-09-17 | 2022-03-24 | ダイキン工業株式会社 | Fluorine-containing polymer and method for manufacturing same |
| JP7231863B1 (en) | 2021-09-27 | 2023-03-02 | ダイキン工業株式会社 | Copolymers and molded articles |
| WO2023047884A1 (en) | 2021-09-27 | 2023-03-30 | ダイキン工業株式会社 | Copolymer and molded article |
| JP2023047470A (en) * | 2021-09-27 | 2023-04-06 | ダイキン工業株式会社 | Copolymer and molded product |
| WO2023127686A1 (en) * | 2021-12-28 | 2023-07-06 | ダイキン工業株式会社 | Polymer and ferroelectric material including same |
| JP2023098671A (en) * | 2021-12-28 | 2023-07-10 | ダイキン工業株式会社 | Polymer and ferroelectric material using the same |
| JP7319580B2 (en) | 2021-12-28 | 2023-08-02 | ダイキン工業株式会社 | Polymers and ferroelectric materials using them |
| CN114539732A (en) * | 2022-02-21 | 2022-05-27 | 江苏金发科技新材料有限公司 | Polybutylene terephthalate composition and application thereof |
| CN114539732B (en) * | 2022-02-21 | 2023-08-11 | 江苏金发科技新材料有限公司 | Polybutylene terephthalate composition and application thereof |
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