CN105778263A - Synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and preparation method thereof - Google Patents
Synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and preparation method thereof Download PDFInfo
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- CN105778263A CN105778263A CN201610207239.5A CN201610207239A CN105778263A CN 105778263 A CN105778263 A CN 105778263A CN 201610207239 A CN201610207239 A CN 201610207239A CN 105778263 A CN105778263 A CN 105778263A
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- cable material
- polyolefin elastomer
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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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
-
- 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
- C08L2201/22—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
Abstract
The invention discloses a synergistic intumescent flame retardant polyolefin elastomer (POE) cable material and a preparation method thereof. The synergistic intumescent flame retardant POE cable material comprises the following components: 100 parts of POE, 30-50 parts of intumescent flame retardant (IFR), 5-30 parts of second flame retardants, 1-2 parts of surface modifiers, 1-10 parts of compatilizers, 0.5-2 parts of antioxidants and 1-2 parts of lubricating agents. The preparation method of the cable material comprises the following processing steps: material preparation, flame retardant surface modification, material mixing, mixing and granulation. The cable material and the preparation method have the advantages that the preparation method is simple and is reasonable in operation process; and the prepared cable material has higher mechanical properties and low temperature flexibility, has the characteristics of low smoke, no toxicity and no molten drops during burning, and has better flame retardance.
Description
Technical field
The invention belongs to electric wire technical field of polymer materials, be specifically related to a kind of collaborative expansion flame-retarded polyolefin elastomer cable material and preparation method thereof.
Background technology
Along with economic develops rapidly, electronic information technology have also been obtained significant progress as wherein important aspect, and the demand of electric wire is increasing.Originally conventional CABLE MATERIALS is Halogen material mostly, can give off poisonous gas and flue dust when burning, and polyolefin is free from the material of halogen, is all made up of carbon hydrogen element, is widely used in wires and cables industry at present.But polyolefinic limited oxygen index is very low, is approximately in 17%, its fire resistance have to be improved used as CABLE MATERIALS.
Traditional a large amount of methods adding fire retardant can improve the fire resistance of material, but the mechanical performance of material is produced serious destruction.Different types of fire retardant has respective pluses and minuses, plays flame retardant effect by different modes, and the fire retardant of single type can not meet people's high request to material combination property.And pass through the composite of different types of fire retardant, it is possible to learn from other's strong points to offset one's weaknesses so that it is performance complement, jointly play fire retardation.It addition, the flame retardant effect that synergistic effect obtains is better, it is possible to the consumption of a degree of reduction fire retardant, this not only improves the fire resistance of material, mechanical performance and processing fluidity performance, also reduces cost.Therefore, found out suitable flame-retardant formulations and technique by fire-retardant synergism, fire resistance and the mechanical performance of non-halogen flame-retardant cable can be improved.
Summary of the invention
Present invention aim to address existing technical problem, it is provided that a kind of collaborative expansion flame-retarded polyolefin elastomer cable material and preparation method thereof, the CABLE MATERIALS prepared has good fire resistance and mechanical performance.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of collaborative expansion flame-retarded polyolefin elastomer cable material, in parts by weight, including:
Further, described polyolefin elastomer is the engage8450 type ethylene-octene copolymer elastomer that Dupont Tao Shi elastomer company produces.
Further, described expansion type flame retardant IFR component by weight is made up of following component:
P-N type flame retardant: 20~40 parts;Tetramethylolmethane: 10~20 parts.
Further, described P-N type flame retardant is more than one in ammonium polyphosphate, melamine polyphosphate.
Further, described second fire retardant is more than one in hypo-aluminum orthophosphate, zinc hypophosphite, calcium hypophosphite, sodium hypophosphite.
Further, described surface modifier is more than one in silane coupler, titanate coupling agent, aluminate coupling agent.
Further, described compatilizer is more than one in maleic anhydride grafted ethene octene copolymer, ethylene-vinylacetate grafting maleic anhydride copolymer, maleic anhydride grafted polyethylene.
Further, described antioxidant is more than one in antioxidant 1010, irgasfos 168, antioxidant 1076.
Further, described lubricant is more than one in stearic acid, zinc stearate, calcium stearate, low molecule paraffin.
The preparation method of a kind of collaborative expansion flame-retarded polyolefin elastomer cable material, comprises the steps:
The drying and processing in vacuum drying oven by expansion type flame retardant IFR and the second fire retardant, activates 20~30 minutes in high-speed mixer, adds surface modifier, mixed at high speed 20~30 minutes at 70~90 DEG C;
Weighing according to the content of each component, room temperature mix homogeneously, join that mill, banbury or double screw extruder be mixing, pelletize, controlling temperature is 130~140 DEG C, prepares collaborative expansion flame-retarded polyolefin elastomer cable material.
Compared with prior art, present invention have an advantage that
The invention solves the technical problem that existing halogen-free flameproof exists, preparation method is simple, easy to operate, and the CABLE MATERIALS prepared has higher mechanical performance, a low temperature flexibility, and low cigarette during burning, nontoxic, without molten drop, there is good fire resistance, reach the requirement of ECO material.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail, but protection scope of the present invention is not limited to following example.
In following example, mechanical property (hot strength and elongation at break) is tested by GB/T528-1998, and test condition 500mm/min, sample thickness is 1mm;Limited oxygen index (LOI) is tested by GB10707-1989, sample 100 × 6.5 × 3mm3;Vertical combustion (UL94) is tested by GB/T13488-1992, sample 150 × 13 × 3mm3。
Embodiment 1
A kind of collaborative expansion flame-retarded polyolefin elastomer cable material, is made up of the raw material of following parts by weight:
Wherein the raw material of the weight fraction of expansion type flame retardant IFR consists of:
Ammonium polyphosphate 33 parts;
Tetramethylolmethane 17 parts;
A kind of preparation method of collaborative expansion flame-retarded polyolefin elastomer cable material, described method concretely comprises the following steps:
By fire retardant 80 DEG C of drying and processings in vacuum drying oven, activate 20 minutes in high-speed mixer, add coupling agent, mixed at high speed 30 minutes at 80 DEG C;
Weighing according to the content of each component in formula, room temperature mix homogeneously, join that mill, banbury or double screw extruder be mixing, pelletize, controlling temperature is 140 DEG C.
The collaborative expansion flame-retarded polyolefin elastomer cable material the performance test results of described hypophosphites is: hot strength is 14.07Mpa, and elongation at break is 559%, and limited oxygen index is 30.8%, and vertical combustion test grade is UL94V-0 level.
Embodiment 2
A kind of collaborative expansion flame-retarded polyolefin elastomer cable material, is made up of the raw material of following parts by weight:
Wherein the raw material of the weight fraction of expansion type flame retardant IFR consists of:
Ammonium polyphosphate 27 parts;
Tetramethylolmethane 13 parts;
A kind of preparation method of collaborative expansion flame-retarded polyolefin elastomer cable material, described method concretely comprises the following steps:
By fire retardant 80 DEG C of drying and processings in vacuum drying oven, activate 20 minutes in high-speed mixer, add coupling agent, mixed at high speed 30 minutes at 80 DEG C;
Weighing according to the content of each component in formula, room temperature mix homogeneously, join that mill, banbury or double screw extruder be mixing, pelletize, controlling temperature is 140 DEG C.
The collaborative expansion flame-retarded polyolefin elastomer cable material the performance test results of described hypophosphites is: hot strength is 12.81Mpa, and elongation at break is 524%, and limited oxygen index is 27.7%, and vertical combustion test grade is UL94V-0 level.
Embodiment 3
A kind of collaborative expansion flame-retarded polyolefin elastomer cable material, is made up of the raw material of following parts by weight:
Wherein the raw material of the weight fraction of expansion type flame retardant IFR consists of:
Ammonium polyphosphate 20 parts;
Tetramethylolmethane 10 parts;
A kind of preparation method of collaborative expansion flame-retarded polyolefin elastomer cable material, described method concretely comprises the following steps:
By fire retardant 80 DEG C of drying and processings in vacuum drying oven, activate 20 minutes in high-speed mixer, add coupling agent, mixed at high speed 30 minutes at 80 DEG C;
Weighing according to the content of each component in formula, room temperature mix homogeneously, join that mill, banbury or double screw extruder be mixing, pelletize, controlling temperature is 140 DEG C.
The collaborative expansion flame-retarded polyolefin elastomer cable material the performance test results of described hypophosphites is: hot strength is 15.42Mpa, and elongation at break is 590%, and limited oxygen index is 27.0%, and vertical combustion test grade is UL94V-0 level.
Embodiment 4
A kind of collaborative expansion flame-retarded polyolefin elastomer cable material, is made up of the raw material of following parts by weight:
Wherein the raw material of the weight fraction of expansion type flame retardant IFR consists of:
Ammonium polyphosphate 22 parts;
Tetramethylolmethane 11 parts;
A kind of preparation method of collaborative expansion flame-retarded polyolefin elastomer cable material, described method concretely comprises the following steps:
By fire retardant 80 DEG C of drying and processings in vacuum drying oven, activate 20 minutes in high-speed mixer, add coupling agent, mixed at high speed 30 minutes at 80 DEG C;
Weighing according to the content of each component in formula, room temperature mix homogeneously, join that mill, banbury or double screw extruder be mixing, pelletize, controlling temperature is 140 DEG C.
The collaborative expansion flame-retarded polyolefin elastomer cable material the performance test results of described hypophosphites is: hot strength is 15.98Mpa, and elongation at break is 614%, and limited oxygen index is 28.3%, and vertical combustion test grade is UL94V-0 level.
The above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within the protection domain of the claims in the present invention.
Claims (10)
1. a collaborative expansion flame-retarded polyolefin elastomer cable material, it is characterised in that in parts by weight, including:
Polyolefin elastomer 100 parts;
Expansion type flame retardant IFR30 ~ 50 part;
Second fire retardant 5 ~ 30 parts;
Surface modifier 1 ~ 2 part;
Compatilizer 1 ~ 10 part;
0.5 ~ 2 part of antioxidant;
Lubricant 1 ~ 2 part.
2. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterised in that described polyolefin elastomer is the engage8450 type ethylene-octene copolymer elastomer that Dupont Tao Shi elastomer company produces.
3. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterised in that described expansion type flame retardant IFR component by weight is made up of following component:
P-N type flame retardant: 20 ~ 40 parts;Tetramethylolmethane: 10 ~ 20 parts.
4. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 3, it is characterised in that described P-N type flame retardant is more than one in ammonium polyphosphate, melamine polyphosphate.
5. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterised in that described second fire retardant is more than one in hypo-aluminum orthophosphate, zinc hypophosphite, calcium hypophosphite, sodium hypophosphite.
6. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterised in that described surface modifier is more than one in silane coupler, titanate coupling agent, aluminate coupling agent.
7. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterized in that, described compatilizer is more than one in maleic anhydride grafted ethene octene copolymer, ethylene-vinylacetate grafting maleic anhydride copolymer, maleic anhydride grafted polyethylene.
8. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterised in that described antioxidant is more than one in antioxidant 1010, irgasfos 168, antioxidant 1076.
9. collaborative expansion flame-retarded polyolefin elastomer cable material according to claim 1, it is characterised in that described lubricant is more than one in stearic acid, zinc stearate, calcium stearate, low molecule paraffin.
10. the preparation method working in coordination with expansion flame-retarded polyolefin elastomer cable material as claimed in claim 1, it is characterised in that comprise the steps:
The drying and processing in vacuum drying oven by expansion type flame retardant IFR and the second fire retardant, activates 20 ~ 30 minutes in high-speed mixer, adds surface modifier, mixed at high speed 20 ~ 30 minutes at 70 ~ 90 DEG C;
Weighing according to the content of each component, room temperature mix homogeneously, join that mill, banbury or double screw extruder be mixing, pelletize, controlling temperature is 130 ~ 140 DEG C, prepares collaborative expansion flame-retarded polyolefin elastomer cable material.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018209825A1 (en) * | 2017-05-16 | 2018-11-22 | 盐城申源塑胶有限公司 | Maleic anhydride grafted poe cable material and preparation method therefor |
CN114085633A (en) * | 2021-12-17 | 2022-02-25 | 江西广源化工有限责任公司 | Environment-friendly flame-retardant thermoplastic elastomer material and preparation method and application thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08169991A (en) * | 1994-12-20 | 1996-07-02 | Furukawa Electric Co Ltd:The | Flame-retardant resin composition, and flame-retardant electric wire and cable |
CN101012326A (en) * | 2007-02-08 | 2007-08-08 | 北京化工大学 | Halogen-free flame-proof cable sheath material |
CN101717534A (en) * | 2009-11-05 | 2010-06-02 | 宁波一舟塑胶有限公司 | Magnesite micro powder-assisting flame-resistant expanded halogen-free flame-resistant electronic wire-coated material and preparation method thereof |
-
2016
- 2016-03-31 CN CN201610207239.5A patent/CN105778263A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08169991A (en) * | 1994-12-20 | 1996-07-02 | Furukawa Electric Co Ltd:The | Flame-retardant resin composition, and flame-retardant electric wire and cable |
CN101012326A (en) * | 2007-02-08 | 2007-08-08 | 北京化工大学 | Halogen-free flame-proof cable sheath material |
CN101717534A (en) * | 2009-11-05 | 2010-06-02 | 宁波一舟塑胶有限公司 | Magnesite micro powder-assisting flame-resistant expanded halogen-free flame-resistant electronic wire-coated material and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018209825A1 (en) * | 2017-05-16 | 2018-11-22 | 盐城申源塑胶有限公司 | Maleic anhydride grafted poe cable material and preparation method therefor |
CN114085633A (en) * | 2021-12-17 | 2022-02-25 | 江西广源化工有限责任公司 | Environment-friendly flame-retardant thermoplastic elastomer material and preparation method and application thereof |
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