CN104292682A - Flame-retardant polystyrene resin - Google Patents
Flame-retardant polystyrene resin Download PDFInfo
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- CN104292682A CN104292682A CN201410579388.5A CN201410579388A CN104292682A CN 104292682 A CN104292682 A CN 104292682A CN 201410579388 A CN201410579388 A CN 201410579388A CN 104292682 A CN104292682 A CN 104292682A
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- polystyrene resin
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Abstract
The invention relates to flame-retardant polystyrene resin. The flame-retardant polystyrene resin comprises the following components in percentage by weight: 70%-75% of polystyrene, 3%-5% of polyethylene, 1-5% of an impact modifier, 0.1-0.6% of auxiliary agents, 13%-25% of a fire retardant, 3%-5% of a flame-retardant assistant agent and 0.7%-1% of a coupling agent.
Description
Technical field
The invention belongs to polymeric material field, refer to a kind of Flame-retardant polystyrene resin especially.
Background technology
Polystyrene resin composite is owing to having excellent processing characteristics, mechanical property and resistance toheat, be widely used in the office equipment housing fields such as printer, duplicating machine, computer or field of household appliances, and the flame retardant resistance of these products to material has higher requirement, phenylethylene resin series belongs to inflammable material, usually need to add fire retardant and auxiliary agent just can meet the requirements of fire-retardant rank, fire-retardant assistance agent in actual use belongs to inorganic combustion inhibitor field, consumption is restricted, if usage quantity too much can affect cinnamic shock resistance.
Existing fire retardant includes halogen flame, organic phosphorus flame retardant and inorganic combustion inhibitor, wherein halogen flame occupies most fields with the cost performance of its excellence, and particularly bromide fire retardant is widely used in retardant styrenic resin due to its efficient flame retarding efficiency.
Although the widespread use of halogen flame, halogen flame contains the harm of the products such as poisonous, obnoxious flavour to human body and environment by various countries are paid attention to.European Union completely forbade and has used halogen flame in 1 day July in 2006, and therefore improving fire retardant has become those skilled in the art and researchist institute problems faced.
Summary of the invention
The object of the invention is to substitute former halogen flame particularly bromide fire retardant with halogen-free flame retardants, and realized the performance of polyphenylacetylene combination by the technical program.
The present invention is achieved by the following technical solutions:
A kind of Flame-retardant polystyrene resin, said composition comprises following component and weight percentage: the polystyrene of 70-75%, the polyethylene of 3-5%, the impact modifying agent of 1-5%, fire-retardant assistance agent, the auxiliary agent of 0.1-0.6%, the fire retardant of 13-25% and the coupling agent of 1.2-1.5% of 3-5%.
Described polystyrene resin is the polystyrene resin through impact modifiers modification; Lower 100 DEG C of test condition, kinematic viscosity m in 5% ethylbenzene solution
2/ s is 0.10-0.15; 200 DEG C, during 5kg, the melt flow rate (MFR) of polystyrene resin is 8-13g/10min.
Described impact modifying agent consist of terpolymer EP rubber.
Described fire retardant is one or both combinations in titanium dioxide multilayer coating structure grey red phosphorus, phosphorous acid lipid or phosphoric acid ester.
Described auxiliary agent comprises viscosity and is greater than one or both combination in the dimethyl-silicon oil lubricant of 1000pa.s, silicone powder, pentaerythritol stearate, polyethylene wax or Magnesium Stearate.
Described fire-retardant assistance agent is one or both combinations in zinc hydroxide or magnesium hydroxide.
Described coupling agent is silane coupling agent, titanate coupling agent, one or both the combination in Aluminate coupling agent.
The present invention with the beneficial effect of prior art is:
1, by adding halogen-free flame-retardant in polystyrene, and product performance do not change, and realize substituting halogenated flame retardant in use on the impact of human body and environment.
2, by adding polyethylene in this application, effectively can improve the heat resistanceheat resistant performance of polystyrene, improving ignition temperature.
3, in the technical program, the effect of antioxidant is also played in fire-retardant assistance agent simultaneously.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail:
What select in the embodiment of the application is following component, and melt flow rate (MFR) 10g/10min selected by polystyrene, Residuce of Styrene content 100ppm; What fire retardant was selected is titanium dioxide multilayer coating structure grey red phosphorus, selection of auxiliary be dimethyl silicone oil, what coupling agent was selected is silane coupling agent.
A kind of Flame-retardant polystyrene resin, said composition comprises following component and weight percentage: the polystyrene of 70-75%, the polyethylene of 3-5%, the impact modifying agent of 1-5%, fire-retardant assistance agent, the auxiliary agent of 0.1-0.6%, the fire retardant of 13-25% and the coupling agent of 1.2-1.5% of 3-5%.
Described polystyrene resin is the polystyrene resin through impact modifiers modification; Lower 100 DEG C of test condition, kinematic viscosity m in 5% ethylbenzene solution
2/ s is 0.10-0.15; 200 DEG C, during 5kg, the melt flow rate (MFR) of polystyrene resin is 8-13g/10min.
Described impact modifying agent consist of terpolymer EP rubber.
Described fire retardant is one or both combinations in titanium dioxide multilayer coating structure grey red phosphorus, phosphorous acid lipid or phosphoric acid ester.
Described auxiliary agent comprises viscosity and is greater than one or both combination in the dimethyl-silicon oil lubricant of 1000pa.s, silicone powder, pentaerythritol stearate, polyethylene wax or Magnesium Stearate.
Described fire-retardant assistance agent is one or both combinations in zinc hydroxide or magnesium hydroxide.
Described coupling agent is silane coupling agent, titanate coupling agent, one or both the combination in Aluminate coupling agent.
Embodiment 1
A kind of Flame-retardant polystyrene resin, said composition comprises following component and weight percentage: the polystyrene of 70%, the polyethylene of 3%, the impact modifying agent of 1%, fire-retardant assistance agent, the auxiliary agent of 0.1%, the fire retardant of 21.7% and the coupling agent of 1.2% of 3%.
Embodiment 2
A kind of Flame-retardant polystyrene resin, said composition comprises following component and weight percentage: the polystyrene of 74%, the polyethylene of 4%, the impact modifying agent of 3%, fire-retardant assistance agent, the auxiliary agent of 0.6%, the fire retardant of 13.4% and the coupling agent of 1.5% of 3%.
Embodiment 3
A kind of Flame-retardant polystyrene resin, said composition comprises following component and weight percentage: the polystyrene of 72%, the polyethylene of 3.5%, the impact modifying agent of 2%, fire-retardant assistance agent, the auxiliary agent of 0.2%, the fire retardant of 17.5% and the coupling agent of 1.3% of 3.5%.
Each component premix, be the blended granulation of twin screw extruder of 25-40 by length-to-diameter ratio, extrusion temperature is set as 180-200 DEG C, and screw speed is 500rpm, ensures that material is extruded under certain vacuum degree.
On the whole, polystyrene resin compositions has fire-retardant, environmental protection, weathering, thermally-stabilised, mechanical property good, be easy to the series of advantages such as machine-shaping, is very suitable for the light household electric appliances fields such as indicating meter, televisor, duplicating machine, facsimile recorder, printer, air conditioning machinery, refrigerator.
Claims (7)
1. a Flame-retardant polystyrene resin, it is characterized in that: said composition comprises following component and weight percentage: the polystyrene of 70-75%, the polyethylene of 3-5%, the impact modifying agent of 1-5%, the fire-retardant assistance agent of 3-5%, the auxiliary agent of 0.1-0.6%, the fire retardant of 13-25% and the coupling agent of 1.2-1.5%.
2. Flame-retardant polystyrene resin according to claim 1, is characterized in that: described polystyrene resin is the polystyrene resin through impact modifiers modification; Lower 100 DEG C of test condition, kinematic viscosity m in 5% ethylbenzene solution
2/ s is 0.10-0.15; 200 DEG C, during 5kg, the melt flow rate (MFR) of polystyrene resin is 8-13g/10min.
3. Flame-retardant polystyrene resin according to claim 1, is characterized in that: described impact modifying agent consist of terpolymer EP rubber.
4. Flame-retardant polystyrene resin according to claim 1, is characterized in that: described fire retardant is one or both combinations in titanium dioxide multilayer coating structure grey red phosphorus, phosphorous acid lipid or phosphoric acid ester.
5. Flame-retardant polystyrene resin according to claim 1, is characterized in that: described auxiliary agent comprises viscosity and is greater than one or both combination in the dimethyl-silicon oil lubricant of 1000pa.s, silicone powder, pentaerythritol stearate, polyethylene wax or Magnesium Stearate.
6. Flame-retardant polystyrene resin according to claim 1, is characterized in that: described fire-retardant assistance agent is one or both combinations in zinc hydroxide or magnesium hydroxide.
7. Flame-retardant polystyrene resin according to claim 1, is characterized in that: described coupling agent is silane coupling agent, titanate coupling agent, one or both the combination in Aluminate coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579388.5A CN104292682A (en) | 2014-10-24 | 2014-10-24 | Flame-retardant polystyrene resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579388.5A CN104292682A (en) | 2014-10-24 | 2014-10-24 | Flame-retardant polystyrene resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104292682A true CN104292682A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579388.5A Pending CN104292682A (en) | 2014-10-24 | 2014-10-24 | Flame-retardant polystyrene resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592664A (en) * | 2015-02-13 | 2015-05-06 | 芜湖市伟华泡塑有限公司 | High-flame-retardance and high-toughness expandable polystyrene |
| CN112250958A (en) * | 2020-10-15 | 2021-01-22 | 江苏中信国安新材料有限公司 | Polystyrene composite material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314660A (en) * | 2008-07-15 | 2008-12-03 | 四川大学 | Method for preparing high impact modified material with waste and old polystyrene plastics |
| CN103059427A (en) * | 2012-09-21 | 2013-04-24 | 史昊东 | Flame-retardant polystyrene resin |
| CN103509267A (en) * | 2012-06-28 | 2014-01-15 | 华利保模具（宁波）有限公司 | Halogen-free flame-retardant polystyrene resin composition |
-
2014
- 2014-10-24 CN CN201410579388.5A patent/CN104292682A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314660A (en) * | 2008-07-15 | 2008-12-03 | 四川大学 | Method for preparing high impact modified material with waste and old polystyrene plastics |
| CN103509267A (en) * | 2012-06-28 | 2014-01-15 | 华利保模具（宁波）有限公司 | Halogen-free flame-retardant polystyrene resin composition |
| CN103059427A (en) * | 2012-09-21 | 2013-04-24 | 史昊东 | Flame-retardant polystyrene resin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592664A (en) * | 2015-02-13 | 2015-05-06 | 芜湖市伟华泡塑有限公司 | High-flame-retardance and high-toughness expandable polystyrene |
| CN112250958A (en) * | 2020-10-15 | 2021-01-22 | 江苏中信国安新材料有限公司 | Polystyrene composite material and preparation method and application thereof |
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Application publication date: 20150121 |