CN105199364A - Flame-retardant aging-resistant PPO-HIPS polymer alloy and preparation method thereof - Google Patents
Flame-retardant aging-resistant PPO-HIPS polymer alloy and preparation method thereof Download PDFInfo
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- CN105199364A CN105199364A CN201510708826.8A CN201510708826A CN105199364A CN 105199364 A CN105199364 A CN 105199364A CN 201510708826 A CN201510708826 A CN 201510708826A CN 105199364 A CN105199364 A CN 105199364A
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Abstract
The invention relates to a polymer alloy and a preparation method thereof and provides a flame-retardant aging-resistant PPO-HIPS polymer alloy and a preparation method thereof. The polymer alloy comprises, by mass, 80 to 90 parts of PPO, 10 to 20 parts of HIPS, 10 to 40 parts of a three-in-one intumescent flame retardant, 0.5 to 20 parts of a high-efficiency anti-aging agent, 0.5 to 3 parts of an antibacterial agent, 10 to 50 parts of a compatibilizer SEBS-g-MAH, 1 to 20 parts of mica powder and 0.1 to 5 parts of zinc oxide. The preparation method comprises the following steps: drying PPO and HIPS in a vacuum drying box for 1 to 5 h; mixing PPO, HIPS and other processing aids according to the mass ratio; and adding the mixed raw materials into a loading hopper of a double screw extruder and carrying out melt extrusion and granulation. The PPO-HIPS polymer alloy is perfectly compatible with a polymer substrate and highly efficient in flame retardation, has good oxidative resistance, ultraviolet resistance and resistance to free radical destroy, and shows good processing flowability except excellent mechanical properties.
Description
Technical field
The present invention relates to a kind of high polymer alloy and preparation method thereof, particularly relate to a kind of fire-retardant ageing-resistant PPO-HIPS high polymer alloy and preparation method thereof.
Background technology
Polyphenylene oxide is one of large general engineering plastic in the world five.It has the advantages such as rigidity is large, thermotolerance is high, intensity is excellent compared with high electrical performance.In addition, polyphenylene oxide also has the advantages such as wear-resisting, nontoxic, anti-pollution.PPO is widely used in the fields such as automotive industry, mechanical industry and chemical industry.But the weak point of PPO also clearly, pure PPO expects that melt fluidity is poor, selling at exorbitant prices.High-impact polystyrene is a kind of engineering plastics, is the segmented copolymer of vinylbenzene and divinyl.PPO is carried out mechanical blending in HIPS, makes processing fluidity and shock resistance that PPO-HIPS high polymer alloy effectively can improve PPO.
PPO Alloyapplication is very extensive, but flame retardant properties is poor, and ageing-resistant performance is undesirable seriously limits its range of application.Traditional flame resistant method adopts halogenated flame retardant or expansion type flame retardant mostly, halogenated flame retardant does not meet the development trend of environmental protection, and traditional expansion type flame retardant is made up of three sources, dispersiveness in the base and ability of resisting to migration poor, so be badly in need of a kind of good stability, finely dispersed " trinity " expansion type flame retardant solves this deficiency.The ageing-resistant performance of PPO-HIPS is unsatisfactory, and the anti-migration ability of current practical small molecules anti-aging agent, Green Tea Extract, uvioresistant destructiveness are not strong.
Summary of the invention
The object of the present invention is to provide a kind of fire-retardant ageing-resistant PPO-HIPS high polymer alloy and preparation method thereof, the present invention can well be compatible with polymeric matrix, and energy highly effective flame-retardant PPO-HIPS high polymer alloy, there is good scale resistance, anti-uv-ray, Green Tea Extract destructiveness, while there is excellent mechanical property, also possesses good processing flowability.
The object of the invention is to be achieved through the following technical solutions:
A kind of fire-retardant ageing-resistant PPO-HIPS high polymer alloy, its composition is expressed as follows with mass fraction:
PPO80-90; HIPS10-20; Trinity expansion type flame retardant 10-40; Efficient anti-aging agent 0.5-20; Antiseptic-germicide 0.5-3; Expanding material SEBS-g-MAH10-50; Mica powder 1-20; Zinc oxide 0.1-5.
The fire-retardant ageing-resistant PPO-HIPS high polymer alloy of described one, described anti-aging agent composition is expressed as follows with mass fraction: hydrotalcite 0.1-10; Oxidation inhibitor (330) 2-5; Pycnogenols 0.1-3; Titanium dioxide 10-20.
A kind of fire-retardant ageing-resistant PPO-HIPS high polymer alloy its preparation method, said method comprising the steps of:
A: by PPO and HIPS dry 1-5 hour in vacuum drying oven;
B: PPO, HIPS and other processing aid are put in high-speed mixer according to described quality proportioning;
C: put into by the raw material mixed in b in twin screw extruder loading hopper, at 220-300 DEG C, pressure is 10-15MPa, melt extrudes, granulation under residence time 1-3min condition.
Fire-retardant ageing-resistant PPO-HIPS high polymer alloy of described one and preparation method thereof, described trinity expansion type flame retardant is a kind of collection carbon source, acid source, source of the gas and expansion type flame retardant integrally, its synthetic method is as follows: by chitosan and phosphorus oxychloride with 1:(2-10) mass ratio joins and is equipped with in the there-necked flask of methylsulfonic acid, condensing reflux reaction 1-5 hour under 50-120 DEG C of agitation condition, rear washing is dry, again by product and trimeric cyanamide with 1:(0.2-0.7) mass ratio adds and is equipped with in ethylene glycol there-necked flask, stirring at normal temperature reaction 2-6 hour, washing is dry.
Advantage of the present invention and effect are:
1. Novel Intumescent Flame Retardant of the present invention is the expansion type flame retardant that collection three comes from one, can well be compatible with polymeric matrix, and can highly effective flame-retardant PPO-HIPS high polymer alloy.
2. the PPO-HIPS high polymer alloy that the present invention obtains has excellent ageing-resistant performance, has good scale resistance, anti-uv-ray, Green Tea Extract destructiveness.
3. the PPO-HIPS high polymer alloy prepared of the present invention is while having excellent mechanical property, has also possessed good processing flowability.
4. PPO-HIPS high polymer alloy preparation technology disclosed by the invention is simple, and energy consumption is low, is easy to produce.
Accompanying drawing explanation
Fig. 1 is trinity expansion type flame retardant synthesis mechanism figure.
Embodiment
Embodiment 1
" trinity " of the present invention expansion type flame retardant self-control synthetic method is as follows: by chitosan and phosphorus oxychloride with 1:(2-10) mass ratio joins and is equipped with in the there-necked flask of methylsulfonic acid, condensing reflux reaction 1-5 hour under 50-120 DEG C of agitation condition, rear washing is dry, again by product and trimeric cyanamide with 1:(0.2-0.7) mass ratio adds and is equipped with in ethylene glycol there-necked flask, stirring at normal temperature reaction 2-6 hour, washing is dry.
Anti-aging agent of the present invention is by hydrotalcite 0.1-10 part, antioxidant 330 2-5 part, pycnogenols 0.1-3 part, titanium dioxide 10-20 part.
The fire-retardant ageing-resistant PPO-HIPS high polymer alloy of one disclosed by the invention, its preparation method is as follows:
A: by PPO and HIPS dry 1-5 hour in vacuum drying oven.
B: PPO, HIPS and other processing aid are put in high-speed mixer according to quality proportioning described in certain claim 1.
C: the raw material mixed in b is put into loading hopper in twin screw extruder, at 220-300 DEG C, pressure is 10-15MPa, melt extrudes, granulation under residence time 1-3min condition.
" trinity " expansion type flame retardant synthesis mechanism is shown below:
The synthesis of fire retardant: chitosan and phosphorus oxychloride are joined with 1:2.5 mass ratio and is equipped with in methylsulfonic acid there-necked flask, under 60 DEG C of agitation conditions, condensing reflux reacts 4 hours, rear washing is dry, product and trimeric cyanamide are added stirring at normal temperature in the there-necked flask that ethylene glycol is housed with the mass ratio of 1:0.5 again and react 6 hours, centrifuge washing is dry.
By PPO-HIPS100 part, fire retardant 35 parts, 40 parts, anti-aging agent, antiseptic-germicide 2 parts, expanding material SEBS-g-MAH30 part, mica powder 15 parts, 4 parts, zinc oxide, join in high-speed mixer, control rotating speed under room temperature at 350 revs/min, mix 8 minutes, proceed in twin screw extruder loading hopper after taking-up, at 240 DEG C, pressure is 15MPa, under residence time 3min condition, melt extrudes, granulation, obtains flame-proof anti-aging PPO-HIPS polyblend.
Claims (4)
1. a fire-retardant ageing-resistant PPO-HIPS high polymer alloy, it is characterized in that, its composition is expressed as follows with mass fraction:
PPO80-90; HIPS10-20; Trinity expansion type flame retardant 10-40; Efficient anti-aging agent 0.5-20; Antiseptic-germicide 0.5-3; Expanding material SEBS-g-MAH10-50; Mica powder 1-20; Zinc oxide 0.1-5.
2. a kind of fire-retardant ageing-resistant PPO-HIPS high polymer alloy as claimed in claim 1, it is characterized in that, described anti-aging agent composition is expressed as follows with mass fraction: hydrotalcite 0.1-10; Oxidation inhibitor (330) 2-5; Pycnogenols 0.1-3; Titanium dioxide 10-20.
3. a fire-retardant ageing-resistant PPO-HIPS high polymer alloy its preparation method, is characterized in that, said method comprising the steps of:
A: by PPO and HIPS dry 1-5 hour in vacuum drying oven;
B: PPO, HIPS and other processing aid are put in high-speed mixer according to described quality proportioning;
C: put into by the raw material mixed in b in twin screw extruder loading hopper, at 220-300 DEG C, pressure is 10-15MPa, melt extrudes, granulation under residence time 1-3min condition.
4. fire-retardant ageing-resistant PPO-HIPS high polymer alloy as described in claim 1 or 3 and preparation method thereof, it is characterized in that, described trinity expansion type flame retardant is a kind of collection carbon source, acid source, source of the gas and expansion type flame retardant integrally, its synthetic method is as follows: by chitosan and phosphorus oxychloride with 1:(2-10) mass ratio joins and is equipped with in the there-necked flask of methylsulfonic acid, condensing reflux reaction 1-5 hour under 50-120 DEG C of agitation condition, rear washing is dry, again by product and trimeric cyanamide with 1:(0.2-0.7) mass ratio adds and is equipped with in ethylene glycol there-necked flask, stirring at normal temperature reaction 2-6 hour, washing is dry.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106947236A (en) * | 2017-03-23 | 2017-07-14 | 深圳力越新材料有限公司 | A kind of flame-retardant modified PPO HIPS mica powder composite materials and preparation method thereof |
| CN109401321A (en) * | 2018-09-27 | 2019-03-01 | 唐山师范学院 | Expandable flame retardant room temperature vulcanized silicone rubber formula and expandable flame retardant room temperature vulcanized silicone rubber |
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| CN101195704A (en) * | 2007-09-30 | 2008-06-11 | 佛山市顺德区瑞能科技有限公司 | Polyphenylene oxide composition for LED display |
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| JP2009029945A (en) * | 2007-07-27 | 2009-02-12 | Panasonic Corp | Flame-retardant resin composition, production method thereof and molding method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947236A (en) * | 2017-03-23 | 2017-07-14 | 深圳力越新材料有限公司 | A kind of flame-retardant modified PPO HIPS mica powder composite materials and preparation method thereof |
| CN109401321A (en) * | 2018-09-27 | 2019-03-01 | 唐山师范学院 | Expandable flame retardant room temperature vulcanized silicone rubber formula and expandable flame retardant room temperature vulcanized silicone rubber |
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Effective date of registration: 20180213 Address after: 110006 the revitalization of four street 28-1 in Hu Tai new town, Shenyang, Liaoning Patentee after: Shenyang Li Yang Sealing Technology Co., Ltd. Address before: 110142 Shenyang economic and Technological Development Zone, Liaoning, No. 11 Patentee before: Shenyang University of Chemical Technology |
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