CN109593255A - A kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof - Google Patents
A kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof Download PDFInfo
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- CN109593255A CN109593255A CN201811101947.6A CN201811101947A CN109593255A CN 109593255 A CN109593255 A CN 109593255A CN 201811101947 A CN201811101947 A CN 201811101947A CN 109593255 A CN109593255 A CN 109593255A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/12—Shape memory
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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
- C08L2201/22—Halogen free composition
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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
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
A kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof, including following components in parts by weight: 30-50 parts of ethyl vinyl acetate copolymer；10-20 parts of ethylene-octene copolymer elastomer；10-35 parts of halogen-free flame retardants；15-60 parts of flame retardant；1-15 parts of packing material；0.1-10 parts of compatilizer；0.1-10 parts of silica gel；Antioxidant and lubricant are 0.1-10 parts total, and above-mentioned raw material are uniformly mixed, and are added in mixing equipment and are granulated into particle masterbatch；Radiation association is carried out to particle masterbatch, is continuously squeezed out and expanding and shaping, finished product heat-shrinkable T bush is obtained.The present invention has the function of that heat-resisting, weather-resistant, antiacid alkali, anti-organic solvent and product can play moisture-proof, insulation.
Description
Technical field
The invention belongs to heat-shrinkable T bush technical field, specifically a kind of inductance protection environment-friendly type heat-shrinkable T bush and its system
Preparation Method.
Background technique
Inductor is the component that electric energy can be converted into magnetic energy and stored, and has and prevents alternating current straight by allowing
The characteristic that galvanic electricity passes through, frequency is higher, and coil impedance is bigger.The size of inductor current amount, depends primarily on coil
Circle number (the number of turns), winding method, whether there is or not magnetic cores and the material of magnetic core etc..It is often coated with heat-shrinkable T bush to be protected to it.
With the continuous development of society, heat-shrinkable T bush inductance used protection, mark, in terms of have it is new
Requirement.1, after being heat-shrinked, very to heat-shrink tube adhesion performance requirement the quick environmental sealing electrothermal tube of energy does hydraulic pressure test, i.e.,
Height, and cannot have stomata and cracking.2, it after finishing hydraulic pressure test, needs quickly to separate the component of heat-shrink tube and package
Come, that is, heat-shrink tube is required to facilitate tearing.Current heat-shrinkable T bush is difficult to meet above-mentioned requirements simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof, tools
Moisture-proof, insulation can be played by playing the role of heat-resisting, weather-resistant, antiacid alkali, anti-organic solvent and product.
In order to solve the above-mentioned technical problem, the present invention takes following technical scheme:
A kind of inductance protection environment-friendly type heat-shrinkable T bush, including following components in parts by weight:
30-50 parts of ethyl vinyl acetate copolymer；10-20 parts of ethylene-octene copolymer elastomer；10-35 parts of halogen-free flame retardants；Resistance
Auxiliary agent 15-60 parts of combustion；1-15 parts of packing material；0.1-10 parts of compatilizer；0.1-10 parts of silica gel；Antioxidant and the total 0.1- of lubricant
10 parts.
The flame retardant is magnesium hydroxide, aluminium hydroxide or modified magnesium hydroxide or trimerization cyanurate (MCA).
The flame retardant is the nitrogenated flame retardant of not halogen containing flame-retardant and red phosphorus.
The heat-shrinkable T bush is made of following components in parts by weight:
40 parts of ethyl vinyl acetate copolymer；15 parts of ethylene-octene copolymer elastomer；25 parts of halogen-free flame retardants；Flame retardant 40
Part；10 parts of packing material；7 parts of compatilizer；6 parts of silica gel；Antioxidant and totally 6 parts of lubricant.
A kind of preparation method of inductance protection environment-friendly type heat-shrinkable T bush, comprising the following steps:
According to predetermined weight number, by ethyl vinyl acetate copolymer, ethylene-octene copolymer elastomer, halogen-free flame retardants, fire-retardant
Auxiliary agent, packing material, compatilizer, silica gel, antioxidant and mix lubricant are uniform, are added in mixing equipment and are granulated into particle mother
Material；
Radiation association is carried out to particle masterbatch, is continuously squeezed out and expanding and shaping, finished product heat-shrinkable T bush is obtained；
Test, meeting preset condition is qualified product, and not meeting preset condition is defective products.
Preset condition in the test specifically includes:
Tensile strength verifying: 10.4MPa, unaged sample are tested with 508mm/ sorting；
The verifying of break-draw rate: 200%, unaged sample is tested with 508mm/ sorting；
Aging is verified in circulated air oven: at 158.0 ± 1 DEG C, 168h, tensile strength >=7.3MPa, break-draw rate >=
100%；
Thermal shock verifying: sample is wound on the axis of designated diameter with 360 °, flawless after 250.0 ± 1 DEG C, 4 hours, no flowing,
Without drip；
Fire-retardant verifying: vertical sample (sample is free of glue-line) cannot be burnt or prolong combustion after undergoing any 5 15 second ignition times
Time is no more than 60 seconds.
Present invention is mainly applied to the protection of the cladding of electronic component, sealing detection is suitable for the quick package of electronic component
It is produced with isolated automation equipment.Have the function of elastic memory, there is heat-resisting, weather-resistant, antiacid alkali, anti-organic solvent
Moisture-proof, insulation, beautiful effect can be played with product.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, below with reference to
Present invention is further described in detail for specific embodiment.
Embodiment one
A kind of preparation method of inductance protection type heat-shrinkable T bush, comprising the following steps:
30 parts of ethyl vinyl acetate copolymer；10 parts of ethylene-octene copolymer elastomer；10 parts of halogen-free flame retardants；Flame retardant 15
Part；1 part of packing material；0.1 part of compatilizer；0.1 part of silica gel；Antioxidant and totally 0.1 part of lubricant, wherein antioxidant and lubricant
It is respectively 0.05 part.By adjusting the ratio of specific ethyl vinyl acetate copolymer and ethylene-octene copolymer elastomer, in addition one
The silica gel of certainty ratio and other raw materials match by a certain percentage can be achieved high sticky performance, and linearly tear when tearing strong
Degree.
The flame retardant is magnesium hydroxide.Flame retardant is the nitrogenated flame retardant of not halogen containing flame-retardant and red phosphorus.
By it is above-mentioned by ethyl vinyl acetate copolymer, ethylene-octene copolymer elastomer, halogen-free flame retardants, flame retardant, fill out
It is uniform to fill material, compatilizer, silica gel, antioxidant and mix lubricant, is added in mixing equipment and is granulated into particle masterbatch.
Radiation association is carried out to particle masterbatch, is continuously squeezed out and expanding and shaping, finished product heat-shrinkable T bush is obtained.
Test, meeting preset condition is qualified product, and not meeting preset condition is defective products.
Preset condition in the test specifically includes:
Tensile strength verifying: 10.4MPa, unaged sample are tested with 508mm/ sorting；
The verifying of break-draw rate: 200%, unaged sample is tested with 508mm/ sorting；
Aging is verified in circulated air oven: at 158.0 ± 1 DEG C, 168h, tensile strength >=7.3MPa, break-draw rate >=
100%；
Thermal shock verifying: sample is wound on the axis of designated diameter with 360 °, flawless after 250.0 ± 1 DEG C, 4 hours, no flowing,
Without drip；
Fire-retardant verifying: vertical sample combustion time that cannot burn or prolong after undergoing any 5 15 second ignition times is no more than 60 seconds,
The duration of ignition is as follows: a) 15S: sample burnt or prolongs the combustion time no more than 15 seconds；B) the combustion time is prolonged in test: combustion is prolonged in sample burning
Time is more than 15 seconds, but is less than 60 seconds.
Embodiment two
A kind of preparation method of inductance protection type heat-shrinkable T bush, comprising the following steps:
50 parts of ethyl vinyl acetate copolymer；20 parts of ethylene-octene copolymer elastomer；35 parts of halogen-free flame retardants；Flame retardant 60
Part；15 parts of packing material；10 parts of compatilizer；10 parts of silica gel；Antioxidant and totally 10 parts of lubricant, wherein antioxidant and lubricant are each
It is 5 parts.By adjusting the ratio of specific ethyl vinyl acetate copolymer and ethylene-octene copolymer elastomer, in addition certain proportion
Silica gel and other raw materials match high sticky performance can be achieved by a certain percentage, and the intensity that while tearing linearly tears.
The flame retardant is aluminium hydroxide.Flame retardant is the nitrogenated flame retardant of not halogen containing flame-retardant and red phosphorus.
By it is above-mentioned by ethyl vinyl acetate copolymer, ethylene-octene copolymer elastomer, halogen-free flame retardants, flame retardant, fill out
It is uniform to fill material, compatilizer, silica gel, antioxidant and mix lubricant, is added in mixing equipment and is granulated into particle masterbatch.
Radiation association is carried out to particle masterbatch, is continuously squeezed out and expanding and shaping, finished product heat-shrinkable T bush is obtained.
Test, meeting preset condition is qualified product, and not meeting preset condition is defective products.Specific test such as embodiment
Shown in one.
Embodiment three
A kind of preparation method of inductance protection type heat-shrinkable T bush, comprising the following steps:
40 parts of ethyl vinyl acetate copolymer；15 parts of ethylene-octene copolymer elastomer；25 parts of halogen-free flame retardants；Flame retardant 40
Part；10 parts of packing material；7 parts of compatilizer；6 parts of silica gel；Antioxidant and totally 6 parts of lubricant, wherein antioxidant and lubricant each 3
Part.By adjusting the ratio of specific ethyl vinyl acetate copolymer and ethylene-octene copolymer elastomer, in addition a certain proportion of
Silica gel and other raw materials match by a certain percentage can be achieved high sticky performance, and the intensity linearly torn when tearing.
The flame retardant is trimerization cyanurate MCA.Flame retardant is that the nitrogen system of halogen containing flame-retardant and red phosphorus is not fire-retardant
Agent.
By it is above-mentioned by ethyl vinyl acetate copolymer, ethylene-octene copolymer elastomer, halogen-free flame retardants, flame retardant, fill out
It is uniform to fill material, compatilizer, silica gel, antioxidant and mix lubricant, is added in mixing equipment and is granulated into particle masterbatch.
Radiation association is carried out to particle masterbatch, is continuously squeezed out and expanding and shaping, finished product heat-shrinkable T bush is obtained.
Test, meeting preset condition is qualified product, and not meeting preset condition is defective products.
It should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although ginseng
According to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned reality
Technical solution documented by example is applied to modify or equivalent replacement of some of the technical features, but it is all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (6)
1. a kind of inductance protects environment-friendly type heat-shrinkable T bush, which is characterized in that including following components in parts by weight:
30-50 parts of ethyl vinyl acetate copolymer；10-20 parts of ethylene-octene copolymer elastomer；10-35 parts of halogen-free flame retardants；Resistance
Auxiliary agent 15-60 parts of combustion；1-15 parts of packing material；0.1-10 parts of compatilizer；0.1-10 parts of silica gel；Antioxidant and the total 0.1- of lubricant
10 parts.
2. inductance according to claim 1 protects environment-friendly type heat-shrinkable T bush, which is characterized in that the flame retardant is hydrogen-oxygen
Change magnesium, aluminium hydroxide or modified magnesium hydroxide or trimerization cyanurate (MCA).
3. inductance according to claim 2 protects environment-friendly type heat-shrinkable T bush, which is characterized in that the flame retardant be without
The nitrogenated flame retardant of halogen fire retardant and red phosphorus.
4. inductance according to claim 3 protects environment-friendly type heat-shrinkable T bush, which is characterized in that the heat-shrinkable T bush by according to
The following components of parts by weight meter is constituted:
40 parts of ethyl vinyl acetate copolymer；15 parts of ethylene-octene copolymer elastomer；25 parts of halogen-free flame retardants；Flame retardant 40
Part；10 parts of packing material；7 parts of compatilizer；6 parts of silica gel；Antioxidant and totally 6 parts of lubricant.
5. a kind of preparation method of the protection of inductance described in any one of -4 according to claim 1 environment-friendly type heat-shrinkable T bush, including
Following steps:
According to predetermined weight number, by ethyl vinyl acetate copolymer, ethylene-octene copolymer elastomer, halogen-free flame retardants, fire-retardant
Auxiliary agent, packing material, compatilizer, silica gel, antioxidant and mix lubricant are uniform, are added in mixing equipment and are granulated into particle mother
Material；
Radiation association is carried out to particle masterbatch, is continuously squeezed out and expanding and shaping, finished product heat-shrinkable T bush is obtained；
Test, meeting preset condition is qualified product, and not meeting preset condition is defective products.
6. the preparation method of inductance protection environment-friendly type heat-shrinkable T bush according to claim 5, which is characterized in that the test
In preset condition specifically include:
Tensile strength verifying: 10.4MPa, unaged sample are tested with 508mm/ sorting；
The verifying of break-draw rate: 200%, unaged sample is tested with 508mm/ sorting；
Aging is verified in circulated air oven: at 158.0 ± 1 DEG C, 168h, tensile strength >=7.3MPa, break-draw rate >=
100%；
Thermal shock verifying: sample is wound on the axis of designated diameter with 360 °, flawless after 250.0 ± 1 DEG C, 4 hours, no flowing,
Without drip；
Fire-retardant verifying: vertical sample cannot burn or prolong the combustion time after undergoing any 5 15 second ignition times no more than 60 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101947.6A CN109593255A (en) | 2018-09-20 | 2018-09-20 | A kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101947.6A CN109593255A (en) | 2018-09-20 | 2018-09-20 | A kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109593255A true CN109593255A (en) | 2019-04-09 |
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ID=65957132
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| CN201811101947.6A Pending CN109593255A (en) | 2018-09-20 | 2018-09-20 | A kind of inductance protection environment-friendly type heat-shrinkable T bush and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849060A (en) * | 2020-08-13 | 2020-10-30 | 东莞三联热缩材料有限公司 | Identification heat-shrinkable sleeve taking EVA (ethylene-vinyl acetate copolymer) as main base material and preparation method thereof |
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| CN102766293A (en) * | 2011-08-16 | 2012-11-07 | 深圳市沃尔核材股份有限公司 | Radiation cross-linked low-smoke halogen-free red phosphorus-free flame retardant material and its application |
| CN103087377A (en) * | 2011-11-08 | 2013-05-08 | 上海特缆电工科技有限公司 | Nuclear power 1E-grade K3-class heat-shrinkable tubing material and preparation thereof |
| CN104513420A (en) * | 2014-11-20 | 2015-04-15 | 东莞三联热缩材料有限公司 | Halogen-free red phosphorus-free heat shrinkable tube and its preparation method |
-
2018
- 2018-09-20 CN CN201811101947.6A patent/CN109593255A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766293A (en) * | 2011-08-16 | 2012-11-07 | 深圳市沃尔核材股份有限公司 | Radiation cross-linked low-smoke halogen-free red phosphorus-free flame retardant material and its application |
| CN103087377A (en) * | 2011-11-08 | 2013-05-08 | 上海特缆电工科技有限公司 | Nuclear power 1E-grade K3-class heat-shrinkable tubing material and preparation thereof |
| CN102731895A (en) * | 2012-07-06 | 2012-10-17 | 深圳市沃尔核材股份有限公司 | 1E-grade K1 type halogen-free flame retardant material for nuclear power plants and application thereof |
| CN104513420A (en) * | 2014-11-20 | 2015-04-15 | 东莞三联热缩材料有限公司 | Halogen-free red phosphorus-free heat shrinkable tube and its preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849060A (en) * | 2020-08-13 | 2020-10-30 | 东莞三联热缩材料有限公司 | Identification heat-shrinkable sleeve taking EVA (ethylene-vinyl acetate copolymer) as main base material and preparation method thereof |
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Application publication date: 20190409 |