CN105623071A - White anti-ultraviolet less-smoke halogen-free flame-retardant sheathing compound and preparation method thereof - Google Patents
White anti-ultraviolet less-smoke halogen-free flame-retardant sheathing compound and preparation method thereof Download PDFInfo
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- CN105623071A CN105623071A CN201610176205.4A CN201610176205A CN105623071A CN 105623071 A CN105623071 A CN 105623071A CN 201610176205 A CN201610176205 A CN 201610176205A CN 105623071 A CN105623071 A CN 105623071A
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- matrix resin
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- retardant
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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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
-
- 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
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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)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a white anti-ultraviolet less-smoke halogen-free flame-retardant sheathing compound and a preparation method thereof. The sheathing compound is characterized by comprising the following components in parts by weight: 18-22 parts of matrix resin A, 5-8 parts of matrix resin B, 0.3-0.8 part of an ultraviolet absorber, 1-2 parts of titanium dioxide, 0.3-0.6 part of an antioxidant, 1 part of a lubricant, 54-58 parts of a fire retardant, 3-6 parts of a compatilizer and 3-4 parts of sundried flowers of sambucus williamsii, wherein the matrix resin A is EVA and the matrix resin B is POE. Compared with the conventional sheathing compound, the white anti-ultraviolet less-smoke halogen-free flame-retardant sheathing compound provided by the invention has the advantages of being white, and having less smoke and flame resistance as well as an anti-ultraviolet function; besides, the flowers of sambucus williamsii are added into the formula, so that a long-term rat-repelling purpose is achieved.
Description
Technical field
The present invention relates to electric wire polymeric material field, particularly relate to a kind of white uvioresistant sheath material field.
Background technology
Cable jacket material is a kind of plastic material shielded, and it is mainly for the protection of material inside, prevents its damaged. For prevent electric wire around environment presence of fire time, flame spreads to rapidly whole circuit along cable, causes spreading and expanding of flame. Therefore, when making, it should add fire retardant.
Current fire retardant mainly contains organic and inorganic, halogen and non-halogen. Organic is some fire retardants taking compounds such as bromine system, phosphorus nitrogen system, nitrogen system and red phosphorus as representative, inorganic mainly antimonous oxide, magnesium hydroxide, aluminium hydroxide, the flame-retardant systems such as silicon system. Wherein halogenated flame retardant is few with its addition, flame retardant effect remarkable and is used widely, and once occupies critical role in fire retardant polyolefin cable Application Areas. But this type of Halogen flame-retardant cable amount of being fuming when burning is big, can produce macro-corrosion gas and toxic gas, gives fire extinguishing, flees from and resume work and bring very big difficulty, and causes two harm. Therefore, low-smoke non-halogen flame-retardant agent should be selected to be applied on cable.
Existing sheath material generally is black, and black inherently has the function of uvioresistant, and uses black sheath material both unsightly when placing, and also very easily trips other people when night, Shortcomings.
Summary of the invention
For overcoming the above problems, the present invention provides a kind of white uvioresistant low-smoke halogen-free flame-retardant sheath material, comprises the composition of following weight part:
Matrix resin A18 ~ 22 part
Matrix resin B5 ~ 8 part
Ultraviolet absorbers 0.3 ~ 0.8 part
Titanium dioxide 1 ~ 2 part
0.3 ~ 0.6 part, oxidation inhibitor
Lubricant 1 part
Fire retardant 54 ~ 58 parts
Compatilizer 3 ~ 6 parts
Above-mentioned matrix resin A is EVA, and above-mentioned matrix resin B is POE.
Preferably, described fire retardant is aluminium hydroxide and magnesium hydroxide, aluminium hydroxide and magnesium hydroxide ratio be 8 ~ 9:1, in the present invention, the content of EVA is big, and aluminium hydroxide is gentleer than magnesium hydroxide, the stability of guarantee material, toughness and extensibility, the low smoke performance of magnesium hydroxide is good simultaneously, will both with the use of, both can reach flame retardant properties, stability can have been reached again.
Preferably, described lubricant is silicone; Described compatilizer is grafted material.
Preferably, also comprising the flower of the Williams Elder Twig grass that 3 ~ 4 parts are dried, Williams Elder Twig grass can give out a kind of the smell that mouse is poisonous, this smell by spending in distribute, therefore the flower of Williams Elder Twig grass has the effect driving mouse, and the smell of Williams Elder Twig grass is nontoxic to the mankind, can reach the effect of asepsis environment-protecting.
Described white uvioresistant low-smoke halogen-free flame-retardant sheath material preparation method, it is characterised in that comprise the steps:
(1) proportionally weigh the flower of the Williams Elder Twig grass dried, dropped in the machine of grinding, repeatedly grind, until it is powder shape;
(2) matrix resin A, matrix resin B, ultraviolet absorbers, titanium dioxide, fire retardant, oxidation inhibitor, lubricant, compatilizer is proportionally weighed;
(3) article of above-mentioned weighing being put into batch mixing that high speed mixer carries out 4 ~ 8min together, it together inserts Banbury mixer 8 ~ 12min subsequently, wherein Banbury mixer kerve temperature is 140 ~ 150 DEG C, and upper groove temperature is 120 ~ 135 DEG C;
By the material after banburying, put into feeding machine, by after twin-screw extrusion again through Single screw extrusion, carry out pelletizing cooling subsequently; Wherein the spout temperature of twin screw is 110 ~ 130 DEG C, and one has 6 districts, and every district promotes 5 DEG C successively, and the spout temperature of singe screw is 120 ~ 135 DEG C, totally 5 districts, and every district promotes 3 DEG C successively.
This kind of white uvioresistant low-smoke halogen-free flame-retardant sheath material provided by the invention, relatively traditional sheath material advantage is that its color is for white, and under the prerequisite to have low smoke performance, flame retardant properties, has the function of uvioresistant concurrently simultaneously. In addition, adding the flower of Williams Elder Twig grass in formula, can be used for driving mouse, its object not only just stimulating drive mouse by reaching with taste, its smell is poisonous for mouse so that mouse fear and dare not be close. In prior art, using essence to drive mouse, the time is of a specified duration, and essence taste can be produced immunity by mouse, thus cable made by this kind of essence can only reach in early stage and drives mouse object, and this kind of white uvioresistant low-smoke halogen-free flame-retardant sheath material provided by the invention can reach and drive mouse object for a long time.
Embodiment
Embodiment one
A kind of white uvioresistant low-smoke halogen-free flame-retardant sheath material, comprises the composition of following weight part:
EVA20 part
POE7 part
Ultraviolet absorbers 0.5 part
Titanium dioxide 2 parts
0.5 part, oxidation inhibitor
Silicone 1 part
52 parts, aluminium hydroxide
Magnesium hydroxide 6 parts
Grafted material 4 parts
Williams Elder Twig grass spend 3 parts
During preparation, in accordance with the following steps:
(1) proportionally weigh the flower of the Williams Elder Twig grass dried, dropped in the machine of grinding, repeatedly grind, until it is powder shape;
(2) EVA, POE, ultraviolet absorbers, titanium dioxide, silicone, oxidation inhibitor, aluminium hydroxide, magnesium hydroxide, grafted material is proportionally weighed;
(3) article of above-mentioned weighing being put into batch mixing that high speed mixer carries out 4 ~ 8min together, it together inserts Banbury mixer 8 ~ 12min subsequently, wherein Banbury mixer kerve temperature is 140 ~ 150 DEG C, and upper groove temperature is 120 ~ 135 DEG C;
By the material after banburying, put into feeding machine, by after twin-screw extrusion again through Single screw extrusion, carry out pelletizing cooling subsequently; Wherein the spout temperature of twin screw is 110 ~ 130 DEG C, and one has 6 districts, and every district promotes 5 DEG C successively, and the spout temperature of singe screw is 120 ~ 135 DEG C, totally 5 districts, and every district promotes 3 DEG C successively.
Embodiment two
A kind of white uvioresistant low-smoke halogen-free flame-retardant sheath material, comprises the composition of following weight part:
EVA22 part
POE8 part
Ultraviolet absorbers 0.6 part
Titanium dioxide 1.5 parts
0.5 part, oxidation inhibitor
Silicone 1 part
50 parts, aluminium hydroxide
Magnesium hydroxide 6 parts
Grafted material 5 parts
Williams Elder Twig grass spend 4 parts
In EVA, the content of VA is 28%, and oxidation inhibitor selects model to be 1010, and its preparation technology's flow process is with reference to the preparation flow in embodiment one.
For testing its anti-ultraviolet property further, carry out according to following experimental procedure:
(1) test out tensile strength, the elongation at break of material in embodiment one, embodiment two respectively, and do record;
(2) material in embodiment one, embodiment two is placed in anti-ultraviolet aging proofing box, 1008 hours test durations of setting, test according to the standard of GB/T7142-2002, test its stretching strength retentivity, elongation at break maintenance rate after test, and note down.
Table 1: the anti-ultraviolet property test result of the embodiment of the present invention one, embodiment two
It can thus be seen that this kind of white uvioresistant low-smoke halogen-free flame-retardant sheath material provided by the invention have passed weathering test, it has the function of uvioresistant.
And for the against murine performance test of embodiment one with the white uvioresistant low-smoke halogen-free flame-retardant sheath material in embodiment two, then comparative selection is verified. Testing sequence is as follows:
(1) material of simultaneous test one, the material of simultaneous test two is made respectively. The material prescription of simultaneous test one is except not flower containing 3 parts of Williams Elder Twig grass, and all the other compositions and deal are all identical with the composition in embodiment one, deal. The material prescription of simultaneous test two is except not flower containing 4 points of Williams Elder Twig grass, and all the other compositions and deal are all identical with the composition in embodiment two, deal.
(2) material of the sheath material in embodiment one and simultaneous test one is placed in jointly an experiment box, puts into 20 mouse, carry out the observation of 15 days, and do once record every day; The material of the sheath material in embodiment two and simultaneous test two is placed in jointly another one experiment box, puts into 20 mouse, carry out observing for 15 days, and do once record every day.
After 15 days, take out these test shield material respectively, check and it stings trace, and do record.
Table two: the test result of the embodiment of the present invention one, simultaneous test one, embodiment two, simultaneous test two
As from the foregoing, just start in 8 days, go to bait before having mouse, but bait without mouse again after 8 days, because mouse just has started not know to drive mouse material in sheath material, no longer being ready to bait, after 8 days, the sheath material that this kind of band drives mouse material, this kind of ultralow cigarette without halide flame-retardant sheath material against murine performance provided by the invention is good as can be seen here.
These are only preferred embodiment of the present invention, therefore can not limit scope of the invention process according to this, the equivalence namely done according to description of the present invention changes and decoration, all should belong in the scope that the present invention covers.
Claims (5)
1. a white uvioresistant low-smoke halogen-free flame-retardant sheath material, it is characterised in that comprise the composition of following weight part:
Matrix resin A18 ~ 22 part
Matrix resin B5 ~ 8 part
Ultraviolet absorbers 0.3 ~ 0.8 part
Titanium dioxide 1 ~ 2 part
0.3 ~ 0.6 part, oxidation inhibitor
Lubricant 1 part
Fire retardant 54 ~ 58 parts
Compatilizer 3 ~ 6 parts
Above-mentioned matrix resin A is EVA, and above-mentioned matrix resin B is POE.
2. according to the white uvioresistant low-smoke halogen-free flame-retardant sheath material described in claim 1, it is characterised in that described fire retardant is aluminium hydroxide and magnesium hydroxide, aluminium hydroxide and magnesium hydroxide ratio be 8 ~ 9:1.
3. according to the white uvioresistant low-smoke halogen-free flame-retardant sheath material described in claim 1, it is characterised in that described lubricant is silicone; Described compatilizer is grafted material.
4. according to the white uvioresistant low-smoke halogen-free flame-retardant sheath material described in claim 1, it is characterised in that also comprise the flower of the Williams Elder Twig grass that 3 ~ 4 parts are dried.
5. according to the white uvioresistant low-smoke halogen-free flame-retardant sheath material preparation method described in claim 1, it is characterised in that comprise the steps:
(1) proportionally weigh the flower of the Williams Elder Twig grass dried, dropped in the machine of grinding, repeatedly grind, until it is powder shape;
(2) matrix resin A, matrix resin B, ultraviolet absorbers, titanium dioxide, fire retardant, oxidation inhibitor, lubricant, compatilizer is proportionally weighed;
(3) article of above-mentioned weighing being put into batch mixing that high speed mixer carries out 4 ~ 8min together, it together inserts Banbury mixer 8 ~ 12min subsequently, wherein Banbury mixer kerve temperature is 140 ~ 150 DEG C, and upper groove temperature is 120 ~ 135 DEG C;
(4) by the material after banburying, put into feeding machine, by after twin-screw extrusion again through Single screw extrusion, carry out pelletizing cooling subsequently; Wherein the spout temperature of twin screw is 110 ~ 130 DEG C, and one has 6 districts, and every district promotes 5 DEG C successively, and the spout temperature of singe screw is 120 ~ 135 DEG C, totally 5 districts, and every district promotes 3 DEG C successively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176205.4A CN105623071A (en) | 2016-03-26 | 2016-03-26 | White anti-ultraviolet less-smoke halogen-free flame-retardant sheathing compound and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610176205.4A CN105623071A (en) | 2016-03-26 | 2016-03-26 | White anti-ultraviolet less-smoke halogen-free flame-retardant sheathing compound and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566061A (en) * | 2016-10-14 | 2017-04-19 | 无锡杰科塑业有限公司 | Polyolefin sheath material for optical cable and preparation method thereof |
| CN107234820A (en) * | 2017-06-19 | 2017-10-10 | 江苏大海塑料股份有限公司 | A kind of production technology of the environmentally friendly antiseize membranes of EVA |
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| CN106566061A (en) * | 2016-10-14 | 2017-04-19 | 无锡杰科塑业有限公司 | Polyolefin sheath material for optical cable and preparation method thereof |
| CN106566061B (en) * | 2016-10-14 | 2019-06-11 | 无锡杰科塑业有限公司 | A kind of optical cable polyolefin jacket material and preparation method thereof |
| CN107234820A (en) * | 2017-06-19 | 2017-10-10 | 江苏大海塑料股份有限公司 | A kind of production technology of the environmentally friendly antiseize membranes of EVA |
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