CN101857985A - Magnesium hydroxide and aluminum hydroxide PBT/PET composite fiber and preparation method thereof - Google Patents
Magnesium hydroxide and aluminum hydroxide PBT/PET composite fiber and preparation method thereof Download PDFInfo
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- CN101857985A CN101857985A CN201010122527A CN201010122527A CN101857985A CN 101857985 A CN101857985 A CN 101857985A CN 201010122527 A CN201010122527 A CN 201010122527A CN 201010122527 A CN201010122527 A CN 201010122527A CN 101857985 A CN101857985 A CN 101857985A
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Abstract
The invention relates to magnesium hydroxide and aluminum hydroxide PBT/PET composite fiber and a preparation method thereof. The composite fiber comprises the following raw materials in percentage by mass: 1 to 15 percent of magnesium hydroxide, 1 to 15 percent of aluminum hydroxide, 20 to 40 percent of PBT and the balance of PET. The raw materials are mixed by adopting a melt spinning process and then blended and spun, wherein the spinning temperature is 260 to 285 DEG C, the wind speed is 3 to 6 meters per second, and the drawing speed is 1,000 to 1,200 meters per minute. The composite fiber is characterized in that: heavy non-flammable gas or high-boiling-point liquid produced after a flame retardant is decomposed is covered on the surface of a high polymer to isolate oxygen and expansion of combustibles; the produced non-flammable gas dilutes the concentration of flammable gas during combustion and the concentration of the oxygen; the decomposition and sublimation of the magnesium hydroxide can reduce the surface temperature of the polymer, namely a non-flammable or combustion-retarding process; free radicals produced in the reaction can be caught, the reaction activity can be reduced, and the chain reaction of oxide can be cut off; and the composite fiber has wide application.
Description
[technical field]
The present invention relates to the fire resistance fibre technical field, specifically, is a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre and preparation method thereof.
[background technology]
Organic fire-retardant is divided into phosphorus system and halogen is two series.The former at room temperature mostly is liquid, and the amount of being fuming is big, and is toxic, and requirement is contained a large amount of H in the flame retarding construction, the O element could dewater and form carburization zone, thereby its application is very limited.Halogenated flame retardant mainly comprises chlorine and bromine two big classes.From operating position, brominated flame-retardant uses more general.This mainly is because bromide thermal decomposition post-etching is relative with toxicity less, and a small amount of use can reach the flame retardant effect identical with chloride.Yet, from total operating position, halogenated flame retardant since its catabolite toxicity is big, smog is big etc. characteristics just progressively replaced by other inorganic combustion inhibitors.
Inorganic combustion inhibitor principal item has aluminium hydroxide, magnesium hydroxide, red phosphorus, antimony oxide, molybdenum oxide, molybdenum acid ammonia, Firebrake ZB, zinc oxide, zirconia, zirconium hydroxide etc., wherein be most widely used with aluminium hydroxide, magnesium hydroxide, red phosphorus, antimony oxide, especially aluminium hydroxide, magnesium hydroxide not only can play fire retardation, and can play filling effect.They have thermally-stabilised good, efficient, press down cigarette, resistance drip, fill safety, to characteristics such as environment are pollution-free substantially, in bittern-free flame-proof material, be widely used.Low cigarette, low halogen or halogen-free flame retardants are the main flows of fire retardant development.World today's environmental requirement is more and more higher, environment amenable environment friendly flame retardant is subjected to various countries and payes attention to, relevant research, cooperative development, activity in production are very active, developed country drops into huge fund one after another and researchs and develops, international cooperation is carried out again and again, except that general kind, various special uses, Compositional type new product emerge in an endless stream, and Application Areas is constantly opened up.China should strengthen the application study to environment friendly flame retardant, promotes the production and the development of China's fire retardant, satisfies the demand of the plastics industry of China's develop rapidly, accelerates China's fire retardant industrial products structural adjustment simultaneously.Fire retardant and the fire proofing importance in industrial production and people's life is indubitable, and its development trend and Application Areas are especially noticeable.
At present, do not see employing magnesium hydroxide and aluminium hydroxide report as the PBT/PET composite fibre of fire retardant.
[summary of the invention]
The objective of the invention is to overcome the deficiencies in the prior art, a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre and preparation method thereof are provided.
The objective of the invention is to be achieved through the following technical solutions:
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 1～15%
Aluminium hydroxide 1～15%
PBT 20～40％
The PET surplus
The mass fraction of described magnesium hydroxide is preferably 3～7%;
The mass fraction of described magnesium hydroxide most preferably is 5%;
The mass fraction of described aluminium hydroxide is preferably 3～7%;
The mass fraction of described aluminium hydroxide most preferably is 5%;
The mass fraction of described PBT is preferably 25～35%;
The mass fraction of described PBT most preferably is 30%;
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre adopts melt-spinning technology, above-mentioned raw material is mixed spinning after blend; It is characterized in that spinning temperature is 260～285 ℃, wind speed 3 meter per seconds～6 meter per seconds, 1000 meters/minute～1200 meters/minute of draft speeds.
The good effect of a kind of magnesium hydroxide of the present invention and aluminium hydroxide PBT/PET composite fibre and preparation method thereof is:
(1) fire retardant magnesium hydroxide and the aluminium hydroxide of the present invention's employing, advantage is: decompose back heavier non-flammable compressive gas or the high boiling liquid of generation and be covered in Polymer Surface, the expansion of isolated oxygen and combustible; The concentration of fuel gas and the concentration of oxygen when the non-combustible gas that produces has watered down burning; The decomposition of magnesium hydroxide and aluminium hydroxide and distillation can reduce the polymer compound surface temperature, are meant difficult combustion or slow down combustion process; The free radical that produces in its energy catching reaction reduces reactivity, cuts off the oxide chain reaction;
(2) the present invention produces on existing technology basis, does not need to change extensive process conditions, and operability is very strong;
(3) composite fibre of the present invention is of many uses: be applied to prepare all kinds of flame-retardant decoratives body of wall fabric, fire-retardant Work Clothes, fire-retardant lining.
[specific embodiment]
The specific embodiment of a kind of magnesium hydroxide of the present invention and aluminium hydroxide PBT/PET composite fibre and preparation method thereof below is provided.
Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
One, composition of raw materials
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 1%
Aluminium hydroxide 1%
PBT 20％
PET 78％
Two, preparation method
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre adopts melt-spinning technology, above-mentioned raw material is mixed spinning after blend; It is characterized in that spinning temperature is 260～285 ℃, wind speed 3 meter per seconds～6 meter per seconds, 1000 meters/minute～1200 meters/minute of draft speeds.
Embodiment 2
One, composition of raw materials
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 3%
Aluminium hydroxide 3%
PBT 25％
PET 69％
Two, preparation method
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre is with embodiment 1.
Embodiment 3
One, composition of raw materials
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 5%
Aluminium hydroxide 5%
PBT 30％
PET 60％
Two, preparation method
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre is with embodiment 1.
Embodiment 4
One, composition of raw materials
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 7%
Aluminium hydroxide 7%
PBT 35％
PET 51％
Two, preparation method
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre is with embodiment 1.
Embodiment 5
One, composition of raw materials
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 9%
Aluminium hydroxide 15%
PBT 35％
PET 41％
Two, preparation method
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre is with embodiment 1.
Embodiment 6
One, composition of raw materials
A kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre, its raw materials quality percentage,
Magnesium hydroxide 15%
Aluminium hydroxide 1%
PBT 40％
PET 44％
Two, preparation method
The preparation method of a kind of magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre is with embodiment 1.
It should be noted last that: above embodiment only is used for the present invention and unrestricted technical scheme of the present invention, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement this present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of this present invention's the claim scope.
Claims (8)
1. magnesium hydroxide and aluminium hydroxide PBT/PET composite fibre is characterized in that, its raw materials quality percentage,
Magnesium hydroxide 1～15%
Aluminium hydroxide 1～15%
PBT 20～40％
The PET surplus
Described PBT is meant polybutylene terephthalate (PBT);
Described PET is meant polyethylene terephthalate.
2. a kind of magnesium hydroxide according to claim 1 and aluminium hydroxide PBT/PET composite fibre is characterized in that the mass fraction of described magnesium hydroxide is 3～7%.
3. a kind of magnesium hydroxide according to claim 2 and aluminium hydroxide PBT/PET composite fibre is characterized in that the mass fraction of described magnesium hydroxide is 5%.
4. a kind of magnesium hydroxide according to claim 1 and aluminium hydroxide PBT/PET composite fibre is characterized in that the mass fraction of described aluminium hydroxide is 3～7%.
5. a kind of magnesium hydroxide according to claim 4 and aluminium hydroxide PBT/PET composite fibre is characterized in that the mass fraction of described aluminium hydroxide is 5%.
6. a kind of magnesium hydroxide according to claim 1 and aluminium hydroxide PBT/PET composite fibre is characterized in that, the mass fraction 25～35% of described PBT.
7. a kind of magnesium hydroxide according to claim 6 and aluminium hydroxide PBT/PET composite fibre is characterized in that the mass fraction of described PBT is 30%.
8. the preparation method of a kind of magnesium hydroxide according to claim 1 and aluminium hydroxide PBT/PET composite fibre adopts melt-spinning technology, above-mentioned raw material is mixed spinning after blend; It is characterized in that spinning temperature is 260～285 ℃, wind speed 3 meter per seconds～6 meter per seconds, 1000 meters/minute～1200 meters/minute of draft speeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010122527A CN101857985A (en) | 2010-03-12 | 2010-03-12 | Magnesium hydroxide and aluminum hydroxide PBT/PET composite fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010122527A CN101857985A (en) | 2010-03-12 | 2010-03-12 | Magnesium hydroxide and aluminum hydroxide PBT/PET composite fiber and preparation method thereof |
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| CN101857985A true CN101857985A (en) | 2010-10-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119604A (en) * | 2014-06-17 | 2014-10-29 | 沈太英 | Halogen-free polypropylene cable material used for power system and production method of halogen-free polypropylene cable material |
| CN104120505A (en) * | 2013-04-27 | 2014-10-29 | 上海杰事杰新材料(集团)股份有限公司 | Inflaming retarding modified PBT (Polybutylene Terephthalate) fiber and preparation method thereof |
| CN105401252A (en) * | 2015-11-23 | 2016-03-16 | 太原理工大学 | Preparation method of flame-retardant PET fiber |
| CN104630934B (en) * | 2015-03-06 | 2016-12-07 | 苏州爱立方服饰有限公司 | A kind of retardant fabric material and preparation method thereof |
| US10619275B2 (en) | 2014-06-26 | 2020-04-14 | 3M Innovative Properties Company | Thermally stable nonwoven web comprising meltblown blended-polymer fibers |
-
2010
- 2010-03-12 CN CN201010122527A patent/CN101857985A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120505A (en) * | 2013-04-27 | 2014-10-29 | 上海杰事杰新材料(集团)股份有限公司 | Inflaming retarding modified PBT (Polybutylene Terephthalate) fiber and preparation method thereof |
| CN104119604A (en) * | 2014-06-17 | 2014-10-29 | 沈太英 | Halogen-free polypropylene cable material used for power system and production method of halogen-free polypropylene cable material |
| US10619275B2 (en) | 2014-06-26 | 2020-04-14 | 3M Innovative Properties Company | Thermally stable nonwoven web comprising meltblown blended-polymer fibers |
| CN104630934B (en) * | 2015-03-06 | 2016-12-07 | 苏州爱立方服饰有限公司 | A kind of retardant fabric material and preparation method thereof |
| CN105401252A (en) * | 2015-11-23 | 2016-03-16 | 太原理工大学 | Preparation method of flame-retardant PET fiber |
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Application publication date: 20101013 |