CN110527286A - A kind of low-smoke and flame retardant PA12 composite material and preparation method - Google Patents
A kind of low-smoke and flame retardant PA12 composite material and preparation method Download PDFInfo
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- CN110527286A CN110527286A CN201910854807.4A CN201910854807A CN110527286A CN 110527286 A CN110527286 A CN 110527286A CN 201910854807 A CN201910854807 A CN 201910854807A CN 110527286 A CN110527286 A CN 110527286A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of low-smoke and flame retardant PA12 composite material and preparation method, low-smoke and flame retardant PA12 composite material is made of according to parts by weight following material: 50%-70%PA12,20%-35% brominated polystyrene, 4%-10% antimony oxide, 4%-10% silicon star powder, 1%-2% dispersing agent, the other auxiliary agents of 1%-2%.Low-smoke and flame retardant PA12 composite material provided by the invention can reduce cost, and available biggish promotion in terms of toughness of material, anti-flammability is stablized, in terms of being suitable for thin wall product；Meanwhile processing technology temperature is wider, easy processing molding, the needs of not being precipitated, meet in terms of vehicle electrical system.
Description
Technical field
The invention belongs to plastics arts, and in particular to a kind of low-smoke and flame retardant PA12 composite material and preparation method.
Background technique
The scientific name of PA12 is nylon 12, also known as nylon 12.Its base stock polymerizeing is butadiene, be can be dependent on
Petrochemical industry.It is hypocrystalline-crystallographic thermoplastic material.The characteristics of PA12 is that density is small, and fusing point is low, and decomposition temperature is high, water absorption rate
Small, resistance to low temperature is excellent, and noise control sound effective value is good.The good stability of the dimension of product, easily molded processing.The automobile that is widely used combustion
Oily delivery pipe, automobile brake brake pipe, air-conditioner pipe, air-pressure equipment hose, industrial high pressure liquid pressure pipe, pipe quick coupling, automobile
Anti-lock braking system spiral reel, precision gear, all various aspects.PA12 Plastics in China market is all some not fire-retardant modification strengthening materials
Expect it is in the majority, as the improvement of people's living standards, people are more and more stronger to the dependence of automobile, while also to the safe matter of automobile
Measure higher and higher, present market is for there are many automobile electric wire cable cover(ing) plastic materials, PA12 plastics chemicals-resistant corrosive
It is not good, especially suitable for the product of automobile oil pipe class, if play the superpower chemical resistance characteristic of its PA12 passes through modified be made again
The material of low-smoke and flame retardant centainly gains great popularity to automotive material wire and cable tubing material market, occupy import halogen-free flameproof
PA12's is expensive, and the product for developing a fire-retardant PA12 of low cigarette bromine system is good for will be provided in terms of vehicle electrical system field
Good development prospect.
Currently, the country do wire and cable tubing material have PE PA6 PA610 there are also some nylon composite materials, with people
Raising to living safety consciousness, these materials can no longer meet the demand in market, and PA12 material itself has superpower resistance to
Chemicals corrosivity, superpower toughness, good processability, so being adapted to ability above wire and cable oil pipe with PA12 material
It caters to market and meets the needs of people are to safe mass.Domestic fire-retardant PA12 materials most derives from import, and import is all Halogen
Fire-retardant is expensive, and processing technology is narrow, Shortcomings in terms of toughness, and the product in terms of the fire-retardant some thin-walleds of aspect is difficult
Meet flame-retardancy requirements.
Therefore, a kind of low-smoke and flame retardant PA12 composite material and preparation method urgently proposes.
Summary of the invention
To solve defect of the existing technology, the present invention provides a kind of low-smoke and flame retardant PA12 composite material and its preparation side
Method.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of low-smoke and flame retardant PA12 composite material, is made of according to parts by weight following material:
PA12 50%-70%；
Brominated polystyrene 20%-35%；
Antimony oxide 4%-10%；
Silicon star powder 4%-10%；
Dispersing agent 1%-2%；
Other auxiliary agent 1%-2%.
As a preferred technical solution of the present invention, the tensile strength of PA12 is greater than 40MPA, and Izod notched impact is big
In 70KJ/M2, MFR 20g/cm3Within.
As a preferred technical solution of the present invention, the antimony content in antimony oxide is 99.9%.
As a preferred technical solution of the present invention, SiO in silicon star powder2Content is 96-99%, the average grain of silicon star powder
Diameter is 140-160nm.
As a preferred technical solution of the present invention, dispersing agent TR044.
As a preferred technical solution of the present invention, other auxiliary agents include antioxidant, lubricant, thermostabilization, weather resisting agent
One of or it is a variety of.
As a preferred technical solution of the present invention, the present invention also provides a kind of systems of low-smoke and flame retardant PA12 composite material
Preparation Method, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 50%-70%PA12,20%-35% brominated polystyrene, 4%-
10% antimony oxide, 4%-10% silicon star powder, 1%-2% dispersing agent, the other auxiliary agents of 1%-2%, are subsequently poured into batch mixer
Mixing 5-8 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 210-230 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
The beneficial effects of the present invention are: low-smoke and flame retardant PA12 composite material provided by the invention, can reduce cost, material
Available biggish promotion in terms of toughness, anti-flammability are stablized, in terms of being suitable for thin wall product；Meanwhile processing technology temperature ratio
It is wider, easy processing molding, the needs of not being precipitated, meet in terms of vehicle electrical system.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
In order to reach the purpose of the present invention, a kind of low-smoke and flame retardant PA12 is provided in one of embodiment of the invention
Composite material is made of according to parts by weight following material:
PA12 64%；
Brominated polystyrene 25%；
Antimony oxide 4%；
Silicon star powder 4%；
Dispersing agent 1%；
Other auxiliary agents 2%.
Wherein, the tensile strength 40MPA of PA12, Izod notched impact 40KJ/M2, MFR20g/cm3；Brominated polystyrene
Select U.S.'s Chemtura PBS-64HW；Antimony oxide selects the prosperous board of China, antimony content 99.9%；Silicon star powder selects T120U, raw
The willing organosilicon of business men angstrom, place of production Norway, SiO2Content is 96%, and the average grain diameter of silicon star powder is 150nm；Dispersing agent is TR044,
Manufacturer STRUKTOL, the place of production U.S.；Other auxiliary agents include one of antioxidant, lubricant, thermostabilization, weather resisting agent or more
Kind, because additive dosage is few, and must play preferable effect, so selection aspect must be prudent, lubricant need to select nothing
Precipitation type.
In addition, present embodiment also provides a kind of preparation method of low-smoke and flame retardant PA12 composite material, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 64%PA12,25% brominated polystyrene, 4% antimony oxide, 4%
Silicon star powder, 1% dispersing agent, 2% other auxiliary agents are subsequently poured into batch mixer and mix 5 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 210 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
Embodiment 2
In order to further optimize implementation result of the invention, in another embodiment of the invention, this embodiment party
Formula provides a kind of low-smoke and flame retardant PA12 composite material, is made of according to parts by weight following material:
PA12 64%；
Brominated polystyrene 25%；
Antimony oxide 4%；
Silicon star powder 4%；
Dispersing agent 1%；
Other auxiliary agents 2%.
Remaining is identical as implementing 1, and difference is satisfied with certainly, Izod notched impact 70KJ/M2.
In addition, present embodiment also provides a kind of preparation method of low-smoke and flame retardant PA12 composite material, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 64%PA12,25% brominated polystyrene, 4% antimony oxide, 4%
Silicon star powder, 1% dispersing agent, 2% other auxiliary agents are subsequently poured into batch mixer and mix 5 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 210 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
Embodiment 3
In order to further optimize implementation result of the invention, in another embodiment of the invention, this embodiment party
Formula provides a kind of low-smoke and flame retardant PA12 composite material, is made of according to parts by weight following material:
PA12 55%；
Brominated polystyrene 29.5%；
Antimony oxide 7%；
Silicon star powder 5%；
Dispersing agent 1.5%；
Other auxiliary agents 2%.
Wherein, the tensile strength 60MPA of PA12, Izod notched impact 40KJ/M2, MFR10g/cm3；Brominated polystyrene
Select U.S.'s Chemtura PBS-64HW；Antimony oxide selects the prosperous board of China, antimony content 99.9%；Silicon star powder selects T120U, raw
The willing organosilicon of business men angstrom, place of production Norway, SiO2Content is 99%, and the average grain diameter of silicon star powder is 140nm；Dispersing agent is TR044,
Manufacturer STRUKTOL, the place of production U.S.；Other auxiliary agents include one of antioxidant, lubricant, thermostabilization, weather resisting agent or more
Kind, because additive dosage is few, and must play preferable effect, so selection aspect must be prudent, lubricant need to select nothing
Precipitation type.
In addition, present embodiment also provides a kind of preparation method of low-smoke and flame retardant PA12 composite material, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 55%PA12,29.5% brominated polystyrene, 7% antimony oxide,
5% silicon star powder, 1.5% dispersing agent, 2% other auxiliary agents are subsequently poured into batch mixer and mix 8 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 230 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
Embodiment 4
In order to further optimize implementation result of the invention, in another embodiment of the invention, this embodiment party
Formula provides a kind of low-smoke and flame retardant PA12 composite material, is made of according to parts by weight following material:
PA12 55%；
Brominated polystyrene 29.5%；
Antimony oxide 7%；
Silicon star powder 5%；
Dispersing agent 1.5%；
Other auxiliary agents 2%.
Remaining is same as Example 3, the difference is that, Izod notched impact 70KJ/M2。
In addition, present embodiment also provides a kind of preparation method of low-smoke and flame retardant PA12 composite material, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 55%PA12,29.5% brominated polystyrene, 7% antimony oxide,
5% silicon star powder, 1.5% dispersing agent, 2% other auxiliary agents are subsequently poured into batch mixer and mix 8 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 230 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
Embodiment 5
In order to further optimize implementation result of the invention, in another embodiment of the invention, this embodiment party
Formula provides a kind of low-smoke and flame retardant PA12 composite material, is made of according to parts by weight following material:
PA12 50%；
Brominated polystyrene 20%；
Antimony oxide 8%；
Silicon star powder 6%；
Dispersing agent 1.8%；
Other auxiliary agents 1%.
In addition, present embodiment also provides a kind of preparation method of low-smoke and flame retardant PA12 composite material, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 50%PA12,20% brominated polystyrene, 8% antimony oxide, 6%
Silicon star powder, 1.8% dispersing agent, 1% other auxiliary agents are subsequently poured into batch mixer and mix 6 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 220 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
Embodiment 6
In order to further optimize implementation result of the invention, in another embodiment of the invention, this embodiment party
Formula provides a kind of low-smoke and flame retardant PA12 composite material, is made of according to parts by weight following material:
PA12 70%；
Brominated polystyrene 35%；
Antimony oxide 10%；
Silicon star powder 10%；
Dispersing agent 2%；
Other auxiliary agents 1.5%.
In addition, present embodiment also provides a kind of preparation method of low-smoke and flame retardant PA12 composite material, comprising the following steps:
S1, according to the following material of parts by weight load-bearing: 70%PA12,35% brominated polystyrene, 10% antimony oxide,
10% silicon star powder, 2% dispersing agent, 1.5% other auxiliary agents are subsequently poured into batch mixer and mix 6 minutes；
S2, mixed material investment twin-screw is modified processing, processing temperature is 220 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
The low-smoke and flame retardant PA12 resin that embodiment 1- embodiment 4 has been produced takes 1-2KG placement tray hot wind to dry after being mixed
Case, 100 DEG C baking 2-4 hours, calibration batten is molded by injection molding machine after drying, is tested for the property, performance is as follows:
| Test item | Example 1 | Example 2 | Example 3 | Example 4 |
| Tensile strength | 31.4 | 29.8 | 32.2 | 30.5 |
| Izod notch shock | 30 | 65 | 25 | 60 |
| MFR | 8.4 | 7.5 | 7.2 | 6.8 |
| Fire-retardant 3.2mm | V0 | V0 | V0 | V0 |
| Fire-retardant 1.6mm | V1 | V1 | V0 | V0 |
| Fire-retardant 0.8mm | V1 | V1 | V0 | V0 |
| Density | 1.26 | 1.26 | 1.33 | 1.33 |
| Smoke density grade | 80 | 82 | 69 | 70 |
It can be seen that low-smoke and flame retardant PA12 resin have good anti-flammability, 0.8mm can accomplish UL-94 without dripping off V0,
Smoke density grade can accomplish that less than 70, dimension stability is good, toughness is good, good weatherability is not precipitated, and can be applied to vapour
In the environment of vehicle electric system, while also having excellent processing, is suitable for various colors field.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of low-smoke and flame retardant PA12 composite material, which is characterized in that be made of according to parts by weight following material:
2. low-smoke and flame retardant PA12 composite material according to claim 1, which is characterized in that the tensile strength of PA12 is greater than
40MPA, Izod notched impact are greater than 70KJ/M2, MFR20g/cm3Within.
3. low-smoke and flame retardant PA12 composite material according to claim 1, which is characterized in that the antimony content in antimony oxide
It is 99.9%.
4. low-smoke and flame retardant PA12 composite material according to claim 1, which is characterized in that SiO in silicon star powder2Content is 96-
99%, the average grain diameter of silicon star powder is 140-160nm.
5. low-smoke and flame retardant PA12 composite material according to claim 1, which is characterized in that dispersing agent TR044.
6. low-smoke and flame retardant PA12 composite material according to claim 1, which is characterized in that other auxiliary agents include antioxidant,
One of lubricant, thermostabilization, weather resisting agent are a variety of.
7. a kind of preparation method of low-smoke and flame retardant PA12 composite material, which comprises the following steps:
S1, according to the following material of parts by weight load-bearing: 50%-70%PA12,20%-35% brominated polystyrene, 4%-10% tri-
Two antimony, 4%-10% silicon star powder, 1%-2% dispersing agent, the other auxiliary agents of 1%-2% are aoxidized, is subsequently poured into batch mixer and mixes 5-8
Minute；
S2, mixed material investment twin-screw is modified processing, processing temperature is 210-230 DEG C；
S3, modified material is vacuumized water cooling air-dry be granulated low-smoke and flame retardant PA12 resin is made.
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| CN201910854807.4A CN110527286A (en) | 2019-09-10 | 2019-09-10 | A kind of low-smoke and flame retardant PA12 composite material and preparation method |
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| CN201910854807.4A CN110527286A (en) | 2019-09-10 | 2019-09-10 | A kind of low-smoke and flame retardant PA12 composite material and preparation method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098892A (en) * | 2013-04-09 | 2014-10-15 | 合肥杰事杰新材料股份有限公司 | Nylon composition and preparation method thereof |
| EP2352787B1 (en) * | 2008-10-15 | 2016-11-23 | Elkem AS | Flame retardant polymeric materials |
| CN109265990A (en) * | 2018-08-31 | 2019-01-25 | 广东圆融新材料有限公司 | High glass fire-retarding reinforced polyamide composition |
| CN110128818A (en) * | 2019-05-28 | 2019-08-16 | 武汉顺威赛特工程塑料有限公司 | A kind of low cost high-glowing-filament-temperature flame-retardancy nylon material and its preparation method and application |
-
2019
- 2019-09-10 CN CN201910854807.4A patent/CN110527286A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2352787B1 (en) * | 2008-10-15 | 2016-11-23 | Elkem AS | Flame retardant polymeric materials |
| CN104098892A (en) * | 2013-04-09 | 2014-10-15 | 合肥杰事杰新材料股份有限公司 | Nylon composition and preparation method thereof |
| CN109265990A (en) * | 2018-08-31 | 2019-01-25 | 广东圆融新材料有限公司 | High glass fire-retarding reinforced polyamide composition |
| CN110128818A (en) * | 2019-05-28 | 2019-08-16 | 武汉顺威赛特工程塑料有限公司 | A kind of low cost high-glowing-filament-temperature flame-retardancy nylon material and its preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 尹洪峰 等: "《功能复合材料》", 31 August 2013, 冶金工业出版社 * |
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Application publication date: 20191203 |