CN108034231A - A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings and preparation method thereof - Google Patents
A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings and preparation method thereof Download PDFInfo
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- CN108034231A CN108034231A CN201711192171.9A CN201711192171A CN108034231A CN 108034231 A CN108034231 A CN 108034231A CN 201711192171 A CN201711192171 A CN 201711192171A CN 108034231 A CN108034231 A CN 108034231A
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- agings
- low temperature
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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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- 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
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Abstract
The invention discloses a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings and preparation method thereof, its key points of the technical solution are that：Composition is formed by the percentage by weight of following ingredients, including：PA6 35 60%, toughener 1 5%, fire retardant 20 24%, anti ultraviolet agent 2 4%, inorganic filler 5 10%, alkali-free glass fibre 10 30%, antioxidant 0.2 0.5%, other auxiliary agents 0.5 2%.A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability of the present invention and the PA composite materials of anti-UV agings, meet new technical requirements, have good weather-proof thermal conductivity.
Description
【Technical field】
The present invention relates to technical field of macromolecules, and in particular in a kind of high dimensionally stable of outdoor used in air exchange fan high-low temperature resistant
Property and the PA composite materials of anti-UV agings and preparation method thereof.
【Background technology】
Enhancing fire-retardant nylon composite material has good comprehensive performance, is widely used in electronic electric equipment and household electrical appliances
Field.But most of enhancing fire-retardant nylons are greatly limited there are size wild effect under high-low temperature resistant degree currently on the market
The application of enhancing fire-retardant nylon in some respects is made.
【The content of the invention】
A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability of the present invention and the PA composite materials of anti-UV agings are full
The new technical requirements of foot, have good weather-proof thermal conductivity.
Another object of the present invention is to provide a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and anti-UV agings
The preparation method of PA composite materials.
The present invention is achieved by the following technical solutions：
A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings, composition is by following
The percentage by weight of each component is formed, including：
Preferably, the PA6 relative viscosities are 2.5~2.8.
Preferably, the toughener be POE-g-MAH, EVA, SEBS, SEBS-g-MAH or PE-g-MAH in one kind or
Several compoundings.
Preferably, the anti ultraviolet agent is several in superfine carbon black, benzotriazole, group-substituted acrylonitrile and hindered amines
Compounding.Benzotriazole, superfine carbon black etc. meet with nylon, can be good at absorbing long-wave radiation, play good resistance to height
Temperature, makes material have preferable high-dimensional stability.
Preferably, the inorganic filler be the silica flour of certain particle diameter, it is a kind of in glass microballoon, talcum powder, silicon powder or
Several compoundings.
Preferably, a diameter of 6~15um of the alkali-free glass fiber.Using alkali-free short glass fiber material as enhancing intensity material
Material, can effectively improve bending resistance and the tensile strength of material.
Preferably, the antioxidant is one or more of in inorganic phosphate, pentaerythritol ester, Hinered phenols.
Preferably, other described auxiliary agents are TAF, silicone powder, coupling agent etc..
A kind of preparation method of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings,
Specific method and steps includes：
The first step：PA6 is dried into 3~4H in 110 DEG C of blast driers；
Second step：According to mass percent described in claim 1, PA6, toughener, fire retardant, anti ultraviolet agent, nothing are weighed
Alkali glass fibre yarn, inorganic filler, antioxidant, other auxiliary agents, all raw materials are put into mixer and are uniformly mixed；
3rd step：The material mixed is added in double screw extruder, adds alkali-free glass fibre melt blending, material
Each section of temperature of cylinder is 220~250 DEG C, and head temperature is set as 255 DEG C.
4th step：By the compound tie rod intrusion cold water cooling of extrusion, cross wind turbine, pelleter pelletizing, then dry, to obtain the final product
To high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings.
Compared with prior art, the invention has the advantages that：
A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability of the present invention and the PA composite materials of anti-UV agings, solution
Overwhelming majority enhancing fire-retardant nylon currently on the market of having determined to the lower unstable this case of size of alternation temperature, makes enhancing fire-retardant nylon
Composite material dimensional stability under alternation temperature is largely increased, and further expands enhancing fire-retardant nylon application range；
A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability of the present invention and the PA composite materials of anti-UV agings
Preparation method, using the nylon raw material of modest viscosity, with reference to materials such as toughener, anti ultraviolet agent and alkali-free glass fibers, production is provided
There are the PA composite materials of a variety of special efficacy performances.
【Embodiment】
In conjunction with the embodiments 1~4 and comparative example 1, illustrate a kind of high ruler of outdoor used in air exchange fan high-low temperature resistant of the present invention
Very little stability and the specific preparation method of PA composite materials of anti-UV agings are as follows：
Embodiment one：
Weighing following nylon raw material and other material auxiliary agents, percentage by weight after drying is：Relative viscosity is 2.8
PA6,40%；Toughener 4%；Fire retardant, 20%；Anti ultraviolet agent (benzotriazole and hindered amines), 2.5%；Alkali-free glass fiber
Yarn, 25%；Inorganic filler (silicon powder, glass microballoon), 7%；Antioxidant, 0.3%；Other auxiliary agents, 1.2%.In high speed batch mixing
Batch mixing 5-10 minutes in machine, 220-250 DEG C of melting in an extruder after mixing, adds glass fibre extruding pelletization and is answered
Condensation material.
Embodiment two：
Weighing following nylon raw material and other material auxiliary agents, percentage by weight after drying is：Relative viscosity is 2.8
PA6,40%；Toughener 4%；Fire retardant, 20%；Anti ultraviolet agent (superfine carbon black and hindered amines), 2.5%；Alkali-free glass fiber yarn,
25%；Inorganic filler (silicon powder, talcum powder), 7%；Antioxidant, 0.3%；Other auxiliary agents, 1.2%.Mixed in high speed mixer
Material 5-10 minutes, after mixing 220-250 DEG C of melting in an extruder, adds glass fibre extruding pelletization and obtains composite wood
Material.
Embodiment three：
Weighing following nylon raw material and other material auxiliary agents, percentage by weight after drying is：Relative viscosity is 2.8
PA6,40%；Toughener 4%；Fire retardant, 20%；Anti ultraviolet agent (benzotriazole and hindered amines), 2.5%；Alkali-free glass fiber
Yarn, 25%；Inorganic filler (silicon powder, silica flour), 7%；Antioxidant, 0.3%；Other auxiliary agents, 1.2%.In high speed mixer
Middle batch mixing 5-10 minutes, 220-250 DEG C of melting in an extruder after mixing, addition glass fibre extruding pelletization obtained compound
Material.
Example IV：
Weighing following nylon raw material and other material auxiliary agents, percentage by weight after drying is：Relative viscosity is 2.8
PA6,40%；Toughener 4%；Fire retardant, 20%；Anti ultraviolet agent (group-substituted acrylonitrile and hindered amines), 2.5%；Alkali-free glass
Fine yarn, 25%；Inorganic filler (talcum powder, glass microballoon), 7%；Antioxidant, 0.3%；Other auxiliary agents, 1.2%.It is mixed in high speed
Batch mixing 5-10 minutes in material machine, 220-250 DEG C of melting in an extruder after mixing, adds glass fibre extruding pelletization and obtains
Composite material.
Comparative example one：
Weighing following nylon raw material and other material auxiliary agents, percentage by weight after drying is：Relative viscosity is 2.8
PA6,40.5%；Toughener 4%；Fire retardant, 20%；Black toner, 2% alkali-free glass fiber yarn, 32%；Antioxidant, 0.3%；Its
His auxiliary agent, 1.2%.Batch mixing 5-10 minutes in high speed mixer, 220-250 DEG C of melting in an extruder, adds after mixing
Enter glass fibre extruding pelletization and obtain composite material.
A kind of outdoor used in air exchange fan alternation of resistance to height temperature high-dimensional stability and the PA composite materials of UV agings and its preparation
In method, the temperature setting of double screw extruder is：One area：100~120 DEG C；Two 220~240 DEG C of areas；3rd area：220~240
℃；4th area：220~230 DEG C；5th area：220~230 DEG C；6th area：230~240 DEG C；7th area：230~240 DEG C；8th area：230~
240℃；9th area：230~250 DEG C；Head temperature：250-260 DEG C, screw speed 350-410r/min.
Using iso standard, embodiment 1-4 is tested for the property with comparative example.Test performance is as shown in the table：
Table 1：Each component percentage by weight
Table 2：Embodiment 1-4 and comparative example product test as follows：
For each embodiment compared with comparative example, change rate is substantially less than normal, and product of the present invention has preferable high-dimensional stability
With anti-UV ageing properties,
The foregoing is merely illustrative of the preferred embodiments of the present invention, and the present invention can not be limited with this, all the present invention's
All any modification, equivalent and improvement made within spirit and principle etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings, it is characterised in that：
Composition is formed by the percentage by weight of following ingredients, including：
2. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：The PA6 relative viscosities are 2.5~2.8.
3. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：The toughener is one kind in POE-g-MAH, EVA, SEBS, SEBS-g-MAH or PE-g-MAH
Or several compoundings.
4. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：The anti ultraviolet agent is in superfine carbon black, benzotriazole, group-substituted acrylonitrile and hindered amines
Several compoundings.
5. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：The inorganic filler is a kind of in the silica flour of certain particle diameter, glass microballoon, talcum powder, silicon powder
Or several compoundings.
6. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：The a diameter of 6-15um of the alkali-free glass fiber.
7. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：The antioxidant is inorganic phosphate, one or more of in pentaerythritol ester, Hinered phenols.
8. a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability according to claim 1 and the PA of anti-UV agings are answered
Condensation material, it is characterised in that：Other described auxiliary agents are TAF, silicone powder, coupling agent etc..
9. the preparation method of a kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings, its
It is characterized in that specific method and steps includes：
The first step：PA6 is dried into 3~4H in 110 DEG C of blast driers；
Second step：According to mass percent described in claim 1, PA6, toughener, fire retardant, anti ultraviolet agent, alkali-free glass are weighed
Fine yarn, inorganic filler, antioxidant, other auxiliary agents, all raw materials are put into mixer and are uniformly mixed；
3rd step：The material mixed is added in double screw extruder, adds alkali-free glass fibre melt blending, barrel is each
Duan Wendu is 220~250 DEG C, and head temperature is set as 255 DEG C.
4th step：By the compound tie rod intrusion cold water cooling of extrusion, wind turbine, pelleter pelletizing are crossed, then dries, that is, obtains resistance to
High/low temperature high-dimensional stability and the PA composite materials of anti-UV agings.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192171.9A CN108034231A (en) | 2017-11-24 | 2017-11-24 | A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings and preparation method thereof |
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| CN201711192171.9A CN108034231A (en) | 2017-11-24 | 2017-11-24 | A kind of outdoor used in air exchange fan high-low temperature resistant high-dimensional stability and the PA composite materials of anti-UV agings and preparation method thereof |
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| CN108034231A true CN108034231A (en) | 2018-05-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110330789A (en) * | 2019-08-02 | 2019-10-15 | 横店集团得邦工程塑料有限公司 | A kind of fire-retardant enhancing PA6 composite material and preparation method of long-acting light aging resisting |
| CN111019341A (en) * | 2019-12-31 | 2020-04-17 | 聚威工程塑料(上海)有限公司 | Toughened conductive flame-retardant polyamide 6 composite material and preparation method thereof |
| CN114213841A (en) * | 2021-12-23 | 2022-03-22 | 浙江吉利控股集团有限公司 | PA6 composite material and preparation method and application thereof |
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| CN107337925A (en) * | 2017-06-22 | 2017-11-10 | 江门市荣龙新材料科技有限公司 | A kind of halogen-free flame-resistant high-temperature-resistant color inhibition PA6/PA66 composites and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330789A (en) * | 2019-08-02 | 2019-10-15 | 横店集团得邦工程塑料有限公司 | A kind of fire-retardant enhancing PA6 composite material and preparation method of long-acting light aging resisting |
| CN111019341A (en) * | 2019-12-31 | 2020-04-17 | 聚威工程塑料(上海)有限公司 | Toughened conductive flame-retardant polyamide 6 composite material and preparation method thereof |
| CN114213841A (en) * | 2021-12-23 | 2022-03-22 | 浙江吉利控股集团有限公司 | PA6 composite material and preparation method and application thereof |
| CN114213841B (en) * | 2021-12-23 | 2023-12-01 | 浙江吉利控股集团有限公司 | PA6 composite material and preparation method and application thereof |
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