CN103739975A - High fire-retardant and high impact-resistant regenerated polystyrene XPS particle and preparation method thereof - Google Patents
High fire-retardant and high impact-resistant regenerated polystyrene XPS particle and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high fire-retardant and high impact-resistant regenerated polystyrene XPS particle, which is composed of a composite carrier, a fire-retardant system, a thermal stable system, and a mixed auxiliary agent; wherein the mass ratio of the composite carrier: the fire-retardant system: the thermal stable system: the mixed auxiliary agent is 90-110:1-5:0.1-0.5:0.05-0.3; the composite carrier is composed of regenerated polystyrene XPS particles and high impact-resistant polystyrene particles, and the fire-retardant system is composed of a solid powder fire retardant and a liquid retardant. Recycled regenerated polystyrene resin is adopted as the main raw material to product the high fire-retardant and high impact-resistant regenerated polystyrene XPS particle, then a novel carrier is added, a novel fire retardant is selected, and the thermal stable system and other auxiliary agent system are optimized, so that the product has the advantages of high fire retardant property, high impact resistance, environment-friendliness, good thermal stability, good mechanical property, and easy processing and forming property.
Description
Technical field
The invention belongs to material science, relate to a kind of high flame retardant high-impact polystyrene (XPS) material, say further, be specifically related to preparation method and the application thereof of a kind of high flame retardant high impact resistance regenerative polystyrene (XPS) material.
Background technology
Polystyrene (Polystyrene is abbreviated as PS) resin is one of five large universal synthetic resins, generally by output, is only second to PE, PVC and PP and occupies the 4th.The phenylethylene resin series early stage of development, only produce general purpose polystyrene (GPPS), its matter is hard and crisp, physical strength is not high, thermotolerance is poor, and inflammable.People have done a large amount of improvements for this reason, have formed high-impact polystyrene (HIPS), Expandable Polystyrene (EPS) (EPS), extrudability polystyrene (XPS) etc.
Impact-resistant polystyrene (HIPS) material has good mechanical property and processing characteristics, is widely used at present household electrical appliance, office equipment, automobile component and wrapping material etc.Extrudability polystyrene effects on surface vertical pressure has better resistance to pressure, and can guarantee elasticity and foam closed pore, this outstanding performance is particularly important when as water-proof surface, extrudability polystyrene (XPS) is mainly as heat insulation plane roof, eaves and surface of wall, also can in municipal engineering, be used as heat-insulating load-bearing material, also can be used as the stratum basale of matrix material.
For protection people's the security of the lives and property, the Ministry of Public Security, firmly the portion of building issues the documents continuously, the further combustionproperty of standard lagging material, and in accordance with regulations, the combustionproperty of lagging material at least will reach B
2level, and organic insulation material itself is inflammable, so just need in material, add a certain amount of fire retardant, makes it reach flame retardant properties standard, just can meet and meet national legislation requirement.
Along with developing rapidly of petrochemical complex and plastics industry, polystyrene (XPS) is widely used at aspects such as building materials, household electrical appliance, but has also caused comparatively serious white pollution simultaneously, and its recovery utilization rate is less than 20%.Discarded polystyrene (XPS), if buried, because it is difficult for aging and hard degradation, is understood polluted underground water source, and spoiled soil structure, makes the crop failures such as grain; As simple burning disposal, again can severe contamination air and atmospheric environment.If recycling utilization will be the unification that meets national economic development and environment protection, meet resources conservation and Sustainable Development Road.
The U.S. once tried hard to recommend degradable plastics the eighties, but organize on the contrary now the problem of retrieving to solve waste, European Union also requires each member states to formulate the decree of the waste that is recycled and packaged, requirement reaches 50%～65%, complete sustainable use, Japan EPS renewable resources association is under each raw material business and each forming process business's support energetically, and renewable resource utilization ratio reaches 31%, 2000 year for 98 years will reach 35%.The utilization of current China polystyrene (XPS) renewable resources is lower, is low-quality utilization (recovery of heat) mostly, and polystyrene (XPS) industry wants long-term stable development, just must walk the road of Environmental Safety and resource-conserving.
Summary of the invention
The object of this invention is to provide a kind of high flame retardant high impact resistance regenerative polystyrene (XPS) particle, this particle has the performances such as high flame retardant, high-impact, can make full use of reclaiming polystyrene (XPS) resource simultaneously, reduce " white pollution ", effectively improve environment, realize Environmental Safety and resources conservation, promote the Sustainable development of polystyrene (XPS) industry.
Another object of the present invention is to provide the preparation method of this fire-retardant particle.
Object of the present invention can reach by following measures:
A kind of high flame retardant high impact resistance regenerative polystyrene XPS particle, it is mixed by complex carrier, flame-retardant system, heat stabilizing system and mixed aid, wherein the mass ratio of each component is 90～110:1～5:0.1～0.5:0.05～0.3, described complex carrier is comprised of regenerated polystyrene XPS particle and high-impact polystyrene pellet, and described flame-retardant system is comprised of solid powder fire retardant and liquid flame retardant.
In particle of the present invention, the mass ratio of each component complex carrier, flame-retardant system, heat stabilizing system and mixed aid is preferably 90～100:2～5:0.2～0.5:0.1～0.3, and it is 100:2:0.2:0.1 more preferably.
Complex carrier described in high flame retardant high impact resistance regenerative polystyrene of the present invention (XPS) particle is comprised of 80～95% regenerated polystyrenes (XPS) pellet and 5～20% high-impact polystyrenes (HIPS) pellet.Preferably in complex carrier, regenerated polystyrene (XPS) pellet and high-impact polystyrene (HIPS) pellet weight ratio are 9:1～1.5.
High flame retardant high impact resistance regenerative polystyrene of the present invention (XPS) particle has retained the premium properties of high-impact polystyrene (HIPS) resin, high-impact polystyrene (HIPS) and regenerated polystyrene (XPS) have good consistency, therefore the two blend can obtain very good erosion-resisting characteristics and mechanical property under other components coordinate.
Flame-retardant system described in high flame retardant high impact resistance regenerative polystyrene of the present invention (XPS) particle is comprised of solid powder fire retardant and liquid flame retardant.In flame-retardant system, the mass ratio of solid powder fire retardant and liquid flame retardant is 15～25:1, preferably 16～20:1.Solid powder fire retardant is selected from hexabromocyclododecane, tetrabromo bisphenol A diene propyl ether, TDE, decabromodiphenyl ethane, brominated epoxy oligopolymer (BEO, molecular weight 720～50000, bromine content 46～54%), not containing the modification brominated epoxy oligomer (MBEO of Polybrominated biphenyl structure, molecular weight 1000～100000) in one or more, preferably adopt multiple; Liquid flame retardant is selected from one or more in three (2-chloropropyl) phosphoric acid ester (TCPP), triphenylphosphate (TPP), tetraphenyl Resorcinol double focusing phosphoric acid ester (RDP), tetraphenyl dihydroxyphenyl propane double focusing phosphoric acid ester (BDP), annular phosphate, preferably adopts multiple.
Stablizer in heat stabilizing system described in high flame retardant high impact resistance regenerative polystyrene of the present invention (XPS) particle is selected from one or more in epoxy soybean oil, lead sulfate tribasic, second base lead sulfate, calcium-zinc composite stabilizing agent.
Mixed aid (also claiming other auxiliary agent) in high flame retardant high impact resistance regenerative polystyrene of the present invention (XPS) particle is comprised of oxidation inhibitor, lubricant and dispersion agent, and in mixed aid, the mass ratio of oxidation inhibitor, lubricant and dispersion agent is 40～60:20～30:20～30.Oxidation inhibitor is the one in four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or three [2.4-di-tert-butyl-phenyl] phosphorous acid ester; Lubricant is the one in polyethylene wax or talcum powder; Dispersion agent is EBS.
The preparation method of high flame retardant high impact resistance regenerative polystyrene XPS particle of the present invention is: solid powder fire retardant, heat stabilizing system and mixed aid in flame-retardant system are evenly mixed to get to mixture; Complex carrier is evenly mixed with the liquid flame retardant in flame-retardant system, then add aforesaid compounds to continue to mix, obtain high flame retardant high impact resistance regenerative polystyrene XPS particle.Its concrete preparation method is: be first the solid powder fire retardant in flame-retardant system and heat stabilizing system and other auxiliary agent to be placed in to high-speed mixer by formulation ratio to be evenly mixed to get mixture 1, then particle complex carrier is placed in to high-speed mixer blend, after add liquid flame retardant to mix fully, after add again above-mentioned mixture 1, continue to mix obtaining described high flame retardant high impact resistance regenerative polystyrene (XPS) particle.Such benefit is first by even through blending dispersion to solid powder fire retardant, thermo-stabilizer and other auxiliary agent, again with complex carrier and liquid flame retardant blend, fire retardant, thermo-stabilizer and other auxiliary agent are closely coated complex carrier dispersedly, particle after making, without dust and obscission, has increased flame retardant properties and the erosion-resisting characteristics of particle greatly.
High flame retardant high impact resistance regenerative granules of polystyrene of the present invention can be applicable to prepare in heat preservation fireproofing material.
High flame retardant high impact resistance regenerative polystyrene of the present invention (XPS) particle adopts polystyrene (XPS) resin of reclaiming as main raw material, by adding new carrier, select new fire retardant, optimize heat stabilizing system and other adjuvant system, product has the advantages such as high flame retardant, high-impact, environmental protection, thermally-stabilised, mechanical property good, easy machine-shaping, extremely be adapted at the aspects, field such as building, packing, household electrical appliances, daily life, of many uses, have a extensive future.
Embodiment
Below in conjunction with embodiment, the invention will be further described
Raw material:
Regenerated polystyrene (XPS) particle, Huaibei Tian Qi chemical company produces;
High-impact polystyrene (HIPS) material, U.S. big lake company produces;
Hexabromocyclododecane (HBCD), Shouguang, Shandong Yang Bo Chemical Co., Ltd. produces;
Tetrabromo bisphenol A diene propyl ether (tetrabromo ether), Tianjin Skien is thought biochemical technology company limited and is produced;
TDE, U.S. Albemarle Corporation produces;
BEO, Israel Dead Sea bromine company produces;
TPP, U.S. Albemarle Corporation produces;
RDP, U.S. Albemarle Corporation produces;
Calcium-zinc composite stabilizing agent, chemical plant, Nanjing, Nanjing produces;
Mixed aid (other auxiliary agent): 50wt% tetra-[β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 25wt% polyethylene wax, 25wt%EBS.
Mechanics and combustionproperty testing standard:
According to GB/T1843-2008 plastics cantilever beam impact strength standard, carry out the mensuration of shock strength.
According to the bioassay standard of GB/T1040.1-2006 plastic tensile performance, carry out the mensuration of tensile strength.
According to GB/T2406.2-2009 Plastics Combustion performance measurement-oxygen index method standard, carry out limiting oxygen index determination.
According to the mensuration Using Horizontal Bridgman Method of GB/T2408-2008 Plastics Combustion performance and normal beam technique standard, carry out vertical combustion mensuration.
Embodiment 1～5
Solid powder fire retardant, heat stabilizing system and other adjuvant system are placed in to high-speed mixer by formulation ratio and are evenly mixed to get mixture 1, again complex carrier is placed in to high-speed mixer blend, after add liquid flame retardant to mix fully, after add above-mentioned mixture 1, continue to mix obtaining described high flame retardant high impact resistance regenerative polystyrene (XPS) particle.
The particle making is put into vacuum drying oven dries after 2～3 hours and is injection molded into standard batten with injection moulding machine at 80～90 ℃.Injection temperature is set as 185 ℃ of heads, 180 ℃, a district, 180 ℃, 2nd district, 175 ℃, 3rd district.Standard batten is carried out to properties test, and its result is as shown in table 1.The consumption of described raw material is all in complex carrier polystyrene 100 parts by weight, and concrete consumption is shown in Table 1.
Table 1
Embodiment 1 and embodiment 2 contrast, composite with high-impact polystyrene (HIPS) from the regenerated polystyrene for carrier (XPS) of the known particle of experimental data, high-impact polystyrene (HIPS) has good consistency with regenerated polystyrene (XPS) on the one hand, retained again the good erosion-resisting characteristics of high-impact polystyrene (HIPS) resin, therefore the two blend be aided with other auxiliary agents and can obtain very good erosion-resisting characteristics and mechanical property simultaneously.
Embodiment 3～5 contrasts, from the flame-retardant system of the known particle of experimental data, take several fire retardants to carry out composite, and be aided with other components and can give full play to the weathering resistance of various fire-retardant compositions, mobility, flame retardant resistance, therefore fire retardant is composite can obtain very good high flame retardant effect.
Claims (10)
1. a high flame retardant high impact resistance regenerative polystyrene XPS particle, it is characterized in that it is mixed by complex carrier, flame-retardant system, heat stabilizing system and mixed aid, wherein the mass ratio of each component is 90～110:1～5:0.1～0.5:0.05～0.3, described complex carrier is comprised of regenerated polystyrene XPS particle and high-impact polystyrene pellet, and described flame-retardant system is comprised of solid powder fire retardant and liquid flame retardant.
2. high flame retardant high impact resistance regenerative polystyrene XPS particle according to claim 1, the mass ratio that it is characterized in that each component complex carrier, flame-retardant system, heat stabilizing system and mixed aid is 90～100:2～5:0.2～0.5:0.1～0.3.
3. high flame retardant high impact resistance regenerative polystyrene XPS particle according to claim 1, is characterized in that described complex carrier is comprised of the regenerated polystyrene XPS particle of mass content 80～95% and the high-impact polystyrene pellet of mass content 5～20%.
4. high flame retardant high impact resistance regenerative polystyrene XPS particle according to claim 1, is characterized in that in described flame-retardant system, the mass ratio of solid powder fire retardant and liquid flame retardant is 15～25:1.
5. according to the high flame retardant high impact resistance regenerative polystyrene XPS particle described in claim 1 or 4, it is characterized in that described solid powder fire retardant is selected from hexabromocyclododecane, tetrabromo bisphenol A diene propyl ether, TDE, decabromodiphenyl ethane, brominated epoxy oligopolymer, does not contain one or more in the modification brominated epoxy oligomer of Polybrominated biphenyl structure.
6. according to the high flame retardant high impact resistance regenerative polystyrene XPS particle described in claim 1 or 4, it is characterized in that described liquid flame retardant is selected from one or more in three (2-chloropropyl) phosphoric acid ester, triphenylphosphate, tetraphenyl Resorcinol double focusing phosphoric acid ester, tetraphenyl dihydroxyphenyl propane double focusing phosphoric acid ester, annular phosphate.
7. high flame retardant high impact resistance regenerative polystyrene XPS particle according to claim 1, is characterized in that described heat stabilizing system is selected from one or more in epoxy soybean oil, lead sulfate tribasic, second base lead sulfate, calcium-zinc composite stabilizing agent.
8. high flame retardant high impact resistance regenerative polystyrene XPS particle according to claim 1, is characterized in that mixed aid is comprised of one or more in oxidation inhibitor, lubricant, dispersion agent.
9. high flame retardant high impact resistance regenerative polystyrene XPS particle according to claim 8, the mass ratio that it is characterized in that oxidation inhibitor in mixed aid, lubricant and dispersion agent is 40～60:20～30:20～30, described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] one in pentaerythritol ester or three [2.4-di-tert-butyl-phenyl] phosphorous acid ester, lubricant is the one in polyethylene wax or talcum powder, and dispersion agent is EBS.
10. the preparation method of the high flame retardant high impact resistance regenerative polystyrene XPS particle described in any one in claim 1～9, is characterized in that solid powder fire retardant, heat stabilizing system and mixed aid in flame-retardant system to be evenly mixed to get mixture; Complex carrier is evenly mixed with the liquid flame retardant in flame-retardant system, then add aforesaid compounds to continue to mix, obtain high flame retardant high impact resistance regenerative polystyrene XPS particle.
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| CN104558875A (en) * | 2014-12-26 | 2015-04-29 | 神盾防火科技有限公司 | Non-combustible grade-A polystyrene roof insulation material |
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| CN104610675A (en) * | 2014-12-26 | 2015-05-13 | 神盾防火科技有限公司 | Polystyrene class A non-flammable micro-foam ceiling |
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| CN115490974A (en) * | 2022-09-22 | 2022-12-20 | 河南融盛新材料有限公司 | Flame-retardant master batch for extruded polystyrene and preparation method thereof |
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| CN104693632A (en) * | 2014-12-26 | 2015-06-10 | 神盾防火科技有限公司 | A-level non-combustible external wall insulation board |
| CN104558875A (en) * | 2014-12-26 | 2015-04-29 | 神盾防火科技有限公司 | Non-combustible grade-A polystyrene roof insulation material |
| CN104592661B (en) * | 2014-12-26 | 2017-11-21 | 神盾防火科技有限公司 | The preparation method of polystyrene light insulating sound deafening wall block and gained building block |
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| CN110194813A (en) * | 2019-05-07 | 2019-09-03 | 河北宝晟新型材料有限公司 | A kind of preparation method of fire retardant polystyrene |
| CN115490974A (en) * | 2022-09-22 | 2022-12-20 | 河南融盛新材料有限公司 | Flame-retardant master batch for extruded polystyrene and preparation method thereof |
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Effective date of registration: 20170809 Address after: 222000 Jiangsu Province, Lianyungang City Lianyun District Banqiao Industrial Park, Xianghe Road No. 8 Applicant after: Lianyungang Engineering Investment Group Li Hai Chemical Co., Ltd. Address before: Banqiao Industrial Park in Jiangsu Province, Lianyungang City Lianyun District 222046 longitudinal road four Southeast Applicant before: Lianyungang Sea Water Chemical Co., Ltd. |
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Application publication date: 20140423 |