CN107603048A - A kind of heat resistanceheat resistant creep glass fibre reinforced styrene acrylonitrile copolymer composition and its preparation method and application - Google Patents
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene acrylonitrile copolymer composition and its preparation method and application Download PDFInfo
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- CN107603048A CN107603048A CN201710654803.2A CN201710654803A CN107603048A CN 107603048 A CN107603048 A CN 107603048A CN 201710654803 A CN201710654803 A CN 201710654803A CN 107603048 A CN107603048 A CN 107603048A
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- glass fibre
- acrylonitrile copolymer
- heat
- resistanceheat resistant
- fibre reinforced
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Abstract
The invention discloses a kind of heat resistanceheat resistant creep glass fibre reinforced styrene acrylonitrile copolymer composition, and it includes following component according to the weight percentage of raw materials：Styrene acrylonitrile copolymer 53~62%, high-modulus short glass fiber 28~32%, heat-proof modifier 10~15%, antioxidant 0.1~0.5%, lubricant 0.1~0.5%.The present invention uses high-modulus short glass fiber, compared to common glass fibre, on the one hand the modulus of elasticity of styrene acrylonitrile copolymer matrix can preferably be improved, said composition is set to be difficult to deform under high-temperature load, on the other hand the distribution of glass fibre size and scattered can be better controled over, so as to effectively reduce glass fibre because disperse in styrene acrylonitrile copolymer matrix on diverse location with distributional difference caused by shrinkage stress so as to cause heat run when the phenomenon that deforms.
Description
Technical field
The present invention relates to modified high-molecular compositions field, more particularly to a kind of strong benzene second of heat resistanceheat resistant creep glass fiber reinforcement
Alkene-acrylonitrile copolymer composition and its preparation method and application.
Background technology
Industrial development at any time, requirement more and more higher of the people to plastics performance, wherein to heat-resisting, creep-resistant plastics demands
Gradual increased trend has been presented.Glass fiber reinforced vinyl benzene-acrylonitrile copolymer because its have higher heat distortion temperature,
Good processing characteristics, dimensional stability and tensile strength and relatively low production cost have in household appliance technical field well should
With value.However, existing glass fibre reinforced styrene-acrylonitrile copolymer composition material heat creep resistance can be not good enough,
Therefore when for preparing such as air-conditioning fan blade device, it is used continuously under hot wind mode easily because deformation causes fan blade to be beated
Greatly, the problem of noise is big.
The content of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, there is provided a kind of heat resistanceheat resistant creep glass fiber reinforcement benzene
Ethylene-propylene lonitrile copolymer composition, while provide a kind of preparation method and application of said composition.
The technical solution used in the present invention is：
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it presses raw material weight percentage
Meter includes following component：
As the further improvement of such scheme, in the SAN acrylonitrile content be 20~
38%.
As the further improvement of such scheme, the modulus of elasticity of the high-modulus short glass fiber is 86~88GPa,
The modified length that retains later of extrusion is 0.5~1mm.Specifically, the present invention preferably high-modulus E7 glass fibres are as reinforcing material.
As the further improvement of such scheme, the heat-proof modifier be maleimide heat-proof agent with styrene-
The mixture of copolymer-maleic anhydride.Specifically, preferred maleimide heat-proof agent and phenylethylene-maleic anhydride in the present invention
The mixed proportion of copolymer is 2~3:1.
As the further improvement of such scheme, the antioxidant is Hinered phenols antioxidant.
As the further improvement of such scheme, the lubricant is pentaerythritol stearate.
A kind of preparation method of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition as described above
For：SAN and heat-proof modifier, antioxidant, mix lubricant is uniform, twin-screw extrusion is put into afterwards
Machine, high-modulus short glass fiber put into extruder from side spout, and the screw combinations of side spout to cross-head section are
Low sheraing combines.
A kind of fan blade, it is by heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition as described above
It is prepared.
The beneficial effects of the invention are as follows：
(1) present invention uses high-modulus short glass fiber, compared to common glass fibre, on the one hand can preferably improve
The modulus of elasticity of SAN matrix, said composition is set to be difficult to deform under high-temperature load, on the other hand can be more
The distribution of glass fibre size is controlled well and is disperseed, so as to effectively reduce glass fibre because in SAN
Disperse in matrix on diverse location and distributional difference caused by shrinkage stress so as to cause heat run when the phenomenon that deforms.
(2) present invention uses maleimide heat-proof agent and the compound system conduct of styrene-maleic anhydride copolymer
Heat-proof modifier, compared to common glass fiber reinforced vinyl benzene-acrylonitrile copolymer material, its heat distortion temperature lifting 5~8
DEG C, and styrene-maleic anhydride copolymer also acts as the effect of compatilizer, be advantageous to improve SAN with
The combination of glass fibre, so as to substantially increase its heat resistanceheat resistant creep ability.In addition, heat-resisting compound system and benzene second in the present invention
Alkene-acrylonitrile copolymer has excellent compatibility, benzene second when its compatibility is better than lifting heat resistance by introducing makrolon
The compatibility of alkene-acrylonitrile copolymer and makrolon, avoid composition material causes to resist because producing larger shrinkage stress
The phenomenon of thermal creep hydraulic performance decline.
(3) composition material that the present invention is prepared into is used for the preparation of fan blade, its fan blade being prepared water at 75 DEG C
Flat to hang 48h, the dynamic balancing of fan blade before experiment compared to not having significant change.
Embodiment
The present invention is specifically described with reference to embodiment, in order to art personnel to the present invention
Understand.It is necessary that herein the present invention will be further described it is emphasized that embodiment is only intended to, it is impossible to be interpreted as to this
The limitation of invention protection domain, art person skilled in the art, the non-intrinsically safe made according to foregoing invention content to the present invention
The modifications and adaptations of property, should still fall within protection scope of the present invention.Simultaneously following mentioned raw materials are unspecified, are
Commercially available prod；The processing step or preparation method not referred in detail be processing step known to a person skilled in the art or
Preparation method.
Embodiment 1
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it presses raw material weight percentage
Meter includes following component：
Wherein, acrylonitrile content is 20% in SAN；The springform of high-modulus short glass fiber
Measure as 86~88GPa, it is 0.5~1mm to extrude modified reservation length；Heat-proof modifier be maleimide heat-proof agent with
Styrene-maleic anhydride copolymer is using mixed proportion as 2:1 mixture mixed；Antioxidant is Hinered phenols antioxidant；
Lubricant is pentaerythritol stearate.
Preparation method：
SAN and heat-proof modifier, antioxidant, mix lubricant is uniform, twin-screw is put into afterwards
Extruder, high-modulus short glass fiber put into extruder, the screw rod group of side spout to cross-head section from side spout
Low sheraing combination is combined into, melting extrusion, cooling, obtains the composition of embodiment 1.
Embodiment 2
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it presses raw material weight percentage
Meter includes following component：
Wherein, acrylonitrile content is 38% in SAN；The springform of high-modulus short glass fiber
Measure as 86~88GPa, it is 0.5~1mm to extrude modified reservation length；Heat-proof modifier be maleimide heat-proof agent with
Styrene-maleic anhydride copolymer is using mixed proportion as 3:1 mixture mixed；Antioxidant is Hinered phenols antioxidant；
Lubricant is pentaerythritol stearate.
Preparation method is same as Example 1, obtains the composition of embodiment 2.
Embodiment 3
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it presses raw material weight percentage
Meter includes following component：
Wherein, acrylonitrile content is 30% in SAN；The springform of high-modulus short glass fiber
Measure as 86~88GPa, it is 0.5~1mm to extrude modified reservation length；Heat-proof modifier be maleimide heat-proof agent with
Styrene-maleic anhydride copolymer is using mixed proportion as 2.5:1 mixture mixed；Lubricant is pentaerythrite stearic acid
Ester.
Preparation method is same as Example 1, obtains the composition of embodiment 3.
Embodiment 4
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it presses raw material weight percentage
Meter includes following component：
Wherein, acrylonitrile content is 25% in SAN；The springform of high-modulus short glass fiber
Measure as 86~88GPa, it is 0.5~1mm to extrude modified reservation length；Heat-proof modifier be maleimide heat-proof agent with
Styrene-maleic anhydride copolymer is using mixed proportion as 3:1 mixture mixed；Antioxidant is Hinered phenols antioxidant；
Lubricant is pentaerythritol stearate.
Preparation method is same as Example 1, obtains the composition of embodiment 4.
Embodiment 5
A kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it presses raw material weight percentage
Meter includes following component：
Wherein, acrylonitrile content is 32% in SAN；The springform of high-modulus short glass fiber
Measure as 86~88GPa, it is 0.5~1mm to extrude modified reservation length；Heat-proof modifier be maleimide heat-proof agent with
Styrene-maleic anhydride copolymer is using mixed proportion as 2:1 mixture mixed；Antioxidant is Hinered phenols antioxidant；
Lubricant is pentaerythritol stearate.
Preparation method is same as Example 1, obtains the composition of embodiment 5.
Embodiment 6：Performance test
By the composition of the gained of embodiment 1~5 and common glass fiber reinforced vinyl benzene-acrylonitrile copolymer material point
Not carry out properties test, its test result is as shown in table 1 below.Specifically, common glass fiber reinforcement of the present invention
SAN material is used as comparative example material, and it is selected from the production of Shuande Saite through confirming to expire along imposing leaf
The ASG30 products of sufficient fan blade thermal creep test request.
The properties testing result of table 1
Composition with the gained of embodiment 1~5 and common glass fiber reinforced vinyl benzene-acrylonitrile copolymer material simultaneously
Material is prepared into fan blade respectively, carries out the static test comparison of heat, and its test result is as shown in table 2 below.
The static test result of the heat of table 2
Above-described embodiment is the preferred embodiments of the present invention, all with similar technique of the invention and the equivalence changes made,
The protection category of the present invention all should be belonged to.
Claims (8)
1. a kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition, it is characterised in that by raw material weight
Percentages include following component：
2. a kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition according to claim 1, its
It is characterised by：Acrylonitrile content is 20~38% in the SAN.
3. a kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition according to claim 1, its
It is characterised by：The modulus of elasticity of the high-modulus short glass fiber is 86~88GPa, and the modified length that retains later of extrusion is
0.5~1mm.
4. a kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition according to claim 1, its
It is characterised by：The heat-proof modifier is the mixture of maleimide heat-proof agent and styrene-maleic anhydride copolymer.
5. a kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition according to claim 1, its
It is characterised by：The antioxidant is Hinered phenols antioxidant.
6. a kind of heat resistanceheat resistant creep glass fibre reinforced styrene-acrylonitrile copolymer composition according to claim 1, its
It is characterised by：The lubricant is pentaerythritol stearate.
A kind of 7. heat resistanceheat resistant creep glass fiber reinforced vinyl benzene-acrylonitrile copolymer group as described in any one of claim 1~6
The preparation method of compound, it is characterised in that：By SAN and heat-proof modifier, antioxidant, mix lubricant
Uniformly, double screw extruder is put into afterwards, and high-modulus short glass fiber puts into extruder, side spout to extrusion from side spout
The screw combinations of machine head section combine for low sheraing.
8. a kind of fan blade, it is as heat resistanceheat resistant creep glass fibre reinforced styrene-propylene as described in any one of claim 1~6
Lonitrile copolymer composition is prepared.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115322298A (en) * | 2022-08-04 | 2022-11-11 | 青岛国恩科技股份有限公司 | Impact-resistant high-temperature-resistant glass fiber reinforced AS material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301786A (en) * | 1999-12-24 | 2001-07-04 | 顺德顺威电器有限公司 | Injection mold grade glass fibre reinforced styrene-acrylonitrile copolymer composition |
| CN103724853A (en) * | 2013-12-09 | 2014-04-16 | 天津金发新材料有限公司 | Low-smell and antistatic fiberglass reinforced AS (Styrene Acrylonitrile) combination and preparation method thereof |
| CN105462092A (en) * | 2015-12-11 | 2016-04-06 | 天津金发新材料有限公司 | High performance, anti-static and antibacterial glass fiber reinforced AS composite material and preparation method thereof |
-
2017
- 2017-08-03 CN CN201710654803.2A patent/CN107603048A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301786A (en) * | 1999-12-24 | 2001-07-04 | 顺德顺威电器有限公司 | Injection mold grade glass fibre reinforced styrene-acrylonitrile copolymer composition |
| CN103724853A (en) * | 2013-12-09 | 2014-04-16 | 天津金发新材料有限公司 | Low-smell and antistatic fiberglass reinforced AS (Styrene Acrylonitrile) combination and preparation method thereof |
| CN105462092A (en) * | 2015-12-11 | 2016-04-06 | 天津金发新材料有限公司 | High performance, anti-static and antibacterial glass fiber reinforced AS composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115322298A (en) * | 2022-08-04 | 2022-11-11 | 青岛国恩科技股份有限公司 | Impact-resistant high-temperature-resistant glass fiber reinforced AS material and preparation method thereof |
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