CN102719005A - Polyethylene flame-retardant material and preparation method thereof - Google Patents

Polyethylene flame-retardant material and preparation method thereof Download PDF

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Publication number
CN102719005A
CN102719005A CN2012102339641A CN201210233964A CN102719005A CN 102719005 A CN102719005 A CN 102719005A CN 2012102339641 A CN2012102339641 A CN 2012102339641A CN 201210233964 A CN201210233964 A CN 201210233964A CN 102719005 A CN102719005 A CN 102719005A
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China
Prior art keywords
polyethylene
parts
flaming
retardant
flame
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Pending
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CN2012102339641A
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Chinese (zh)
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朱中华
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朱中华
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Priority to CN2012102339641A priority Critical patent/CN102719005A/en
Publication of CN102719005A publication Critical patent/CN102719005A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the field of polyethylene flame-retardant materials and particularly relates to a polyethylene flame-retardant material and a preparation method thereof. The polyethylene flame-retardant material comprises the following raw materials in part by weight: counted by 100 parts of polyethylene, 0.2-3 parts of vinyl triethoxysilane, 3-20 parts of sulfate, 10-50 parts of polyaniline, 1-10 parts of silicon dioxide, 10-45 parts of flame retardant and 20-80 parts of butadiene styrene rubber. The adding amount of the flame retardant is relatively small, so that the flame retardance of the polyethylene material is better; the polyethylene material has relatively good moisture absorption and mechanical properties, and is convenient to process and low in cost.

Description

Polyethylene anti-flaming material and preparation technology thereof
Technical field
The invention belongs to polyethylene anti-flaming material category, be specifically related to a kind of polyethylene anti-flaming material and preparation technology thereof.
Background technology
Polythene material (PE material) has good physical and mechanical property and excellent chemicalstability, has been widely used in making film, tubing, wire cable insulating material.But the fire resistance of PE is poor, and the application in a lot of fields of its goods is restricted.For this reason; People have selected for use multiple fire retardant to make PE reach the requirement of fire prevention aspect; Expansion type flame retardant makes that present PE flame retardant area is widely used, a kind of preferably fire retardant of effect; When burning, be difficult for obtaining closed pore charcoal layer and make shortcomings such as flame retardant effect is undesirable but exist moisture absorption, fire-retardant PE, and mechanical property is under some influence.To this problem, two solutions are arranged generally: the one, expansion type flame retardant is carried out surface treatment, another kind be for synthetic collection acid source, charcoal source, source of the gas be the novel phosphor nitrogen expanding fire retardant of one.Though these methods can to a certain degree solve the problem that expansion type flame retardant exists, because drawbacks such as technology is loaded down with trivial details, cost height, industrial production is difficulty comparatively.
Summary of the invention
The object of the present invention is to provide a kind of good flame retardation effect, water-tolerant, and polyethylene anti-flaming material easy to process, with low cost.
The present invention also provides the preparation technology of above-mentioned polyethylene anti-flaming material.
Polyethylene anti-flaming material of the present invention is characterized in that, is processed by the raw material of following parts by weight:
As preferably, process by the raw material of following parts by weight:
Wherein: said fire retardant is an intumescent system, and intumescent system is a prior art, can adopt usually with two kinds in the components such as ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, polyphosphoric acid melamine, NSC 65881 or above by weight mixing.
Said vitriol is a kind of in sodium sulfate or the vitriolate of tartar.
Said polyaniline particle diameter is 1 ~ 90 μ m.
Said silicon-dioxide particle diameter is 0.01 ~ 50 μ m.
The preparation method may further comprise the steps:
1) mixes the fire retardant that meets ratio, polyaniline, vitriol, silicon-dioxide;
2) the vinyl three ethoxy silane after will diluting evenly are sprayed at the mixture surface that step 1) obtains, high-speed stirring;
The Vilaterm, styrene-butadiene rubber(SBR) that 3) will meet ratio add step 2) in the mixture that obtains, stir;
4) material that step 3) is obtained passes through the forcing machine extruding pelletization.
Wherein: processing temperature is 150 ~ 250 ℃ in the step 4).
Compared with prior art, the present invention makes the polythene material flame retardant properties more excellent with less fire retardant addition, and material has water absorbability and mechanical property preferably, and easy to process, with low cost.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment 1
Polyethylene anti-flaming material of the present invention, process through following steps:
In Vilaterm 100 mass parts: the silicon-dioxide that the polyaniline that is 1 ~ 90 μ m with 25 parts of fire retardants, 30 parts of particle diameters 1), 12 parts of sodium sulfate, 3 parts of particle diameters are 0.01 ~ 50 μ m mixes;
2), evenly be sprayed at the mixture surface that step 1) obtains, high-speed stirring with the dilution of 1.2 parts of vinyl, three ethoxy silane;
3) 100 parts of Vilaterm, 50 parts of styrene-butadiene rubber(SBR) are added steps 2) in the mixture that obtains, stir;
4) material that step 3) is obtained passes through the forcing machine extruding pelletization, and the processing temperature of forcing machine is 200 ℃.
Wherein: fire retardant is an intumescent system.
Embodiment 2
Polyethylene anti-flaming material of the present invention, process through following steps:
In Vilaterm 100 mass parts: the silicon-dioxide that the polyaniline that is 1 ~ 90 μ m with 15 parts of fire retardants, 45 parts of particle diameters 1), 5 parts of sodium sulfate, 6 parts of particle diameters are 0.01 ~ 50 μ m mixes;
2), evenly be sprayed at the mixture surface that step 1) obtains, high-speed stirring with the dilution of 3 parts of vinyl, three ethoxy silane;
3) 100 parts of Vilaterm, 70 parts of styrene-butadiene rubber(SBR) are added steps 2) in the mixture that obtains, stir;
4) material that step 3) is obtained passes through the forcing machine extruding pelletization, and the processing temperature of forcing machine is 230 ℃.
Wherein: fire retardant is an intumescent system.
Embodiment 3
Polyethylene anti-flaming material of the present invention, process through following steps:
In Vilaterm 100 mass parts: the silicon-dioxide that the polyaniline that is 1 ~ 90 μ m with 40 parts of fire retardants, 15 parts of particle diameters 1), 20 parts of vitriolate of tartar, 10 parts of particle diameters are 0.01 ~ 50 μ m mixes;
2), evenly be sprayed at the mixture surface that step 1) obtains, high-speed stirring with the dilution of 0.5 part of vinyl, three ethoxy silane;
3) 100 parts of Vilaterm, 22 parts of styrene-butadiene rubber(SBR) are added steps 2) in the mixture that obtains, stir;
4) material that step 3) is obtained passes through the forcing machine extruding pelletization, and the processing temperature of forcing machine is 150 ℃.
Wherein: fire retardant is an intumescent system.

Claims (8)

1. a polyethylene anti-flaming material is characterized in that, is processed by the raw material of following parts by weight:
2. polyethylene anti-flaming material according to claim 1 is characterized in that, is processed by the raw material of following parts by weight:
3. polyethylene anti-flaming material according to claim 1 is characterized in that, said fire retardant is an intumescent system.
4. polyethylene anti-flaming material according to claim 1 is characterized in that, said vitriol is a kind of in sodium sulfate or the vitriolate of tartar.
5. polyethylene anti-flaming material according to claim 1 is characterized in that, said polyaniline particle diameter is 1 ~ 90 μ m.
6. polyethylene anti-flaming material according to claim 1 is characterized in that, said silicon-dioxide particle diameter is 0.01 ~ 50 μ m.
7. the preparation technology of the described polyethylene anti-flaming material of claim 1 is characterized in that, comprises step:
1) mixes the fire retardant that meets ratio, polyaniline, vitriol, silicon-dioxide;
2) the vinyl three ethoxy silane after will diluting evenly are sprayed at the mixture surface that step 1) obtains, high-speed stirring;
The Vilaterm, styrene-butadiene rubber(SBR) that 3) will meet ratio add step 2) in the mixture that obtains, stir;
4) material that step 3) is obtained passes through the forcing machine extruding pelletization.
8. the preparation technology of polyethylene anti-flaming material according to claim 7 is characterized in that, processing temperature is 150 ~ 250 ℃ in the said step 4).
CN2012102339641A 2012-07-06 2012-07-06 Polyethylene flame-retardant material and preparation method thereof Pending CN102719005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012102339641A CN102719005A (en) 2012-07-06 2012-07-06 Polyethylene flame-retardant material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012102339641A CN102719005A (en) 2012-07-06 2012-07-06 Polyethylene flame-retardant material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN102719005A true CN102719005A (en) 2012-10-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106674680A (en) * 2015-11-06 2017-05-17 中国石油化工股份有限公司 Polyethylene composition, and high-density polyethylene product and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106674680A (en) * 2015-11-06 2017-05-17 中国石油化工股份有限公司 Polyethylene composition, and high-density polyethylene product and preparation method thereof

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Application publication date: 20121010