CN103724850A - Polystyrene extruded sheet and preparing method thereof - Google Patents
Polystyrene extruded sheet and preparing method thereof Download PDFInfo
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- CN103724850A CN103724850A CN201310672501.XA CN201310672501A CN103724850A CN 103724850 A CN103724850 A CN 103724850A CN 201310672501 A CN201310672501 A CN 201310672501A CN 103724850 A CN103724850 A CN 103724850A
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Abstract
The invention provides a polystyrene extruded sheet and a preparing method thereof. The polystyrene extruded sheet is characterized by being prepared from the following raw materials in parts by weight: 90-100 parts of universal polystyrene, 4-5 parts of high impact polystyrene, 20-25 parts of high density polyethylene, 2-3 parts of Freon, 18-22 parts of modified loess powder, 3-4 parts of alums, 3-4 parts of chitosan, 1-2 parts of used oil, 1-2 parts of color master batches, 1-2 parts of 2-thiol group benzimidazole, 2-3 parts of oldenlandia diffusa powder, 1-2 parts of a silane coupling agent and 3-4 parts of chromium boride. According to the invention, oldenlandia diffusa powder is added in the formula and is good for health after the medicinal component is volatilized; the polystyrene extruded sheet has the characteristics of high strength, light weight and low heat conductivity coefficient, can replace polystyrene foam sheets, extruded sheets, sizing agent particle insulation boards in heat preservation systems and the like, and is suitable for industrial batch production.
Description
Technical field
The present invention relates to a kind of wallboard, more particularly, is a kind of polystyrene extruded sheet and preparation method thereof.
Background technology
The building construction of building construction, particularly extremely frigid zones, the amount of heat in building scatters and disappears by roof and body of wall.Therefore, need to pave warming plate on roof and exterior wall, play the effect of heat insulating and save energy.Existing plastic extrusion heated board, has the shortcoming that intensity is low, resistance to compression is low, density is low, resistance to deterioration is weak, cost is high, need to have new product to emerge, and participates in the competition.
Summary of the invention
The object of this invention is to provide a kind of polystyrene extruded sheet and preparation method thereof.
The technical solution adopted in the present invention is:
A kind of polystyrene extruded sheet, is characterized in that being made by the raw material of following weight part:
General purpose polystyrene 90-100, high-impact polystyrene 4-5, high density polyethylene(HDPE) 20-25, freon-12-3, modified Loess powder 18-22, alum 3-4, chitosan 3-4, used oil 1-2, Masterbatch 1-2,2-thiol group benzimidazolyl 1-2, Spreading Hedyotis Herb 2-3, silane coupling agent 1-2, boronation two chromium 3-4;
Described modified Loess powder is made by the raw material of following weight part: loess 100-120, plant ash 30-40, used oil 10-12, starch 10-12, Sodium dodecylbenzene sulfonate 1-2, aluminium powder 0.2-0.3, water are appropriate;
Preparation method is: loess is calcined to 2-3 hour at 460-480 ℃, grinding powder; Starch, Sodium dodecylbenzene sulfonate are joined in suitable quantity of water, be heated into pasty state; In sticking with paste, add described calcining loess powder, plant ash, aluminium powder, used oil, mix and blend 40-50 minute, sends in 60-70 ℃ of drying room and dries, and is broken into coarse particles, sifts out the coarse particles of 1-3mm.
The preparation method of described polystyrene extruded sheet, is characterized in that comprising the following steps:
(1) after Spreading Hedyotis Herb, used oil are mixed, and then add modified Loess powder, alum, chitosan, Masterbatch, 2-thiol group benzimidazolyl, silane coupling agent, boronation two chromium, stir;
(2) then general purpose polystyrene, high-impact polystyrene, high density polyethylene(HDPE) are heated to after 150-185 ℃, with step (1) mixing of materials, make each material melting and mixing, form polymer melt; Then add freonll-11 to be uniformly mixed; Melt is cooled to 100-130 ℃, then, sends into extruding machine, extrusion moulding.
In the present invention's formula, contain Herba Hedyotidis Diffusae grass meal, its medicinal ingredients volatilization is good for health; It is high that the present invention has intensity, and quality is light, and the feature that thermal conductivity is low can replace polystyrene foam plate, extruded sheet and heat insulation system pulp particle warming plate etc., is suitable for industrialized mass production.
Embodiment
A kind of polystyrene extruded sheet, by following weight part (kilogram) raw material make:
General purpose polystyrene 100, high-impact polystyrene 5, high density polyethylene(HDPE) 25, freonll-11 3, modified Loess powder 18, alum 4, chitosan 4, used oil 2, Masterbatch 2,2-thiol group benzimidazolyl 1, Spreading Hedyotis Herb 3, silane coupling agent 2, boronation two chromium 4;
Described modified Loess powder by following weight part (kilogram) raw material make: loess 120, plant ash 30, used oil 10, starch 12, Sodium dodecylbenzene sulfonate 2, aluminium powder 0.3, water are appropriate;
Preparation method is: loess is calcined to 2-3 hour at 460-480 ℃, grinding powder; Starch, Sodium dodecylbenzene sulfonate are joined in suitable quantity of water, be heated into pasty state; In sticking with paste, add described calcining loess powder, plant ash, aluminium powder, used oil, mix and blend 40-50 minute, sends in 60-70 ℃ of drying room and dries, and is broken into coarse particles, sifts out the coarse particles of 1-3mm.
The preparation method of polystyrene extruded sheet, comprises the following steps:
(1) after Spreading Hedyotis Herb, used oil are mixed, and then add modified Loess powder, alum, chitosan, Masterbatch, 2-thiol group benzimidazolyl, silane coupling agent, boronation two chromium, stir;
(2) then general purpose polystyrene, high-impact polystyrene, high density polyethylene(HDPE) are heated to after 150-185 ℃, with step (1) mixing of materials, make each material melting and mixing, form polymer melt; Then add freonll-11 to be uniformly mixed; Melt is cooled to 100-130 ℃, then, sends into extruding machine, extrusion moulding.
The present invention after testing, ultimate compression strength >=280kPa, thermal conductivity≤0.03W/mk, water-intake rate≤1% (V/V), aqueous vapor moisture permeable coefficient≤3ng/m.s.Pa.
Claims (2)
1. a polystyrene extruded sheet, is characterized in that being made by the raw material of following weight part:
General purpose polystyrene 90-100, high-impact polystyrene 4-5, high density polyethylene(HDPE) 20-25, freon-12-3, modified Loess powder 18-22, alum 3-4, chitosan 3-4, used oil 1-2, Masterbatch 1-2,2-thiol group benzimidazolyl 1-2, Spreading Hedyotis Herb 2-3, silane coupling agent 1-2, boronation two chromium 3-4;
Described modified Loess powder is made by the raw material of following weight part: loess 100-120, plant ash 30-40, used oil 10-12, starch 10-12, Sodium dodecylbenzene sulfonate 1-2, aluminium powder 0.2-0.3, water are appropriate;
Preparation method is: loess is calcined to 2-3 hour at 460-480 ℃, grinding powder; Starch, Sodium dodecylbenzene sulfonate are joined in suitable quantity of water, be heated into pasty state; In sticking with paste, add described calcining loess powder, plant ash, aluminium powder, used oil, mix and blend 40-50 minute, sends in 60-70 ℃ of drying room and dries, and is broken into coarse particles, sifts out the coarse particles of 1-3mm.
2. the preparation method of polystyrene extruded sheet according to claim 1, is characterized in that comprising the following steps:
(1) after Spreading Hedyotis Herb, used oil are mixed, and then add modified Loess powder, alum, chitosan, Masterbatch, 2-thiol group benzimidazolyl, silane coupling agent, boronation two chromium, stir;
(2) then general purpose polystyrene, high-impact polystyrene, high density polyethylene(HDPE) are heated to after 150-185 ℃, with step (1) mixing of materials, make each material melting and mixing, form polymer melt; Then add freonll-11 to be uniformly mixed; Melt is cooled to 100-130 ℃, then, sends into extruding machine, extrusion moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672501.XA CN103724850A (en) | 2013-12-12 | 2013-12-12 | Polystyrene extruded sheet and preparing method thereof |
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| CN201310672501.XA CN103724850A (en) | 2013-12-12 | 2013-12-12 | Polystyrene extruded sheet and preparing method thereof |
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| CN103724850A true CN103724850A (en) | 2014-04-16 |
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| CN201310672501.XA Pending CN103724850A (en) | 2013-12-12 | 2013-12-12 | Polystyrene extruded sheet and preparing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277294A (en) * | 2014-10-10 | 2015-01-14 | 南安市国高建材科技有限公司 | Environment-friendly extruded polystyrene gypsum composite heat preservation board |
| CN107641260A (en) * | 2017-08-11 | 2018-01-30 | 深圳市嘉良保温材料有限公司 | A kind of extruded sheet and extrusion molding board fabrication method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435924A (en) * | 2013-07-16 | 2013-12-11 | 汪永辉 | Polystyrene extruded board and preparation method thereof |
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2013
- 2013-12-12 CN CN201310672501.XA patent/CN103724850A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435924A (en) * | 2013-07-16 | 2013-12-11 | 汪永辉 | Polystyrene extruded board and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277294A (en) * | 2014-10-10 | 2015-01-14 | 南安市国高建材科技有限公司 | Environment-friendly extruded polystyrene gypsum composite heat preservation board |
| CN107641260A (en) * | 2017-08-11 | 2018-01-30 | 深圳市嘉良保温材料有限公司 | A kind of extruded sheet and extrusion molding board fabrication method |
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Application publication date: 20140416 |
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| RJ01 | Rejection of invention patent application after publication |