CN102408640B - Halogen-free inflaming retarding type micro-foaming full-plastic wood-simulating material and preparation method thereof - Google Patents
Halogen-free inflaming retarding type micro-foaming full-plastic wood-simulating material and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a halogen-free inflaming retarding type micro-foaming full-plastic wood-simulating material and a preparation method thereof and relates to a micro-foaming full-plastic wood-simulating material. The full-plastic wood-simulating material comprises the following components in mass ratio: 100 of polystyrene, 20-40 of high impact polystyrene, 10-15 of resin, 2-5 of inorganic filling material, 30-60 of halogen-free inflaming retarding agent, 10-20 of smoke inhibiting agent, 0.5-1.5 of foaming agent, 0.5-2 of cell regulating agent, 0.5-2 of coloring agent and 1.5-3 of auxiliaries. The preparation method comprises the following steps: mixing the auxiliaries, the coloring agent, the halogen-free inflaming retarding agent, the smoke inhibiting agent, the foaming agent and the cell regulating agent in the component proportion so as to obtain a mixed material A; drying the resin and the inorganic filling material and mixing polystyrene, high impact polystyrene, the resin, the inorganic filling material and the mixed material A, so as to obtain a mixed material B; and granulating the mixed material B, and shaping the obtained particle material, so as to obtain the halogen-free inflaming retarding type micro-foaming full-plastic wood-simulating material.
Description
Technical field
The present invention relates to overall plastic imitated wood material of a kind of little foaming of little foaming overall plastic imitated wood material, especially halogen-free flame-retardant and preparation method thereof.
Background technology
Timber, Wood plastic composite and overall plastic imitated wood material all belong to combustiblesubstance, burning easily, and its Application Areas as outdoor architecture and indoor decoration, has fire-retardant requirement mostly.One of new direction of imitated wood material industry technology development is exactly to develop the little foaming imitated wood material of the good halogen-free flame-retardant of flame retardant properties.The tradition halogen containing flame-retardant has flame retardant properties preferably, once prepares industry at timber and plastics and is used widely.Wu Yaozu (patent publication No. CN1382583) discloses flame-retarding artifical wooden board for decorative purpose and production technique thereof, it is characterized in that being made of base plate and the panel of unlike material, the panel prescription comprises unsaturated flame-retarded resin, methylethyl ketone peroxide, isocyanic acid cobalt and polywood paper fabric.The base plate prescription comprises the solidifying agent of combination material and independent adapted, and fire retardant is Trichloroethyl Phosphate and magnesium hydroxide, and the dalle that makes is exempted from lacquer, good toughness, intensity height, fire-retardant, waterproof, anticorrosion, indeformable.But, when playing fire retardation when fire takes place, halogen containing flame-retardant can produce a large amount of toxic fumes and mordant hydrogen halide, the security of the lives and property is caused secondary harm.Shi Liyi etc. (patent publication No. CN101235174A) disclose a kind of novel environment friendly halogen-free flame retardant polypropylene composite material, and when its characteristics were to guarantee the material good mechanical properties, it was little to have the amount of being fuming, the advantage of nontoxic environmental protection.Jiao Qingjie etc. (patent publication No. CN101062992A) provide highly anti-flush polyphenylacetylene composition of a kind of halogen-free flameproof and preparation method thereof, and goods have preferably mechanical property and do not produce molten drop when burning, and the amount of being fuming is little.Jin Xiaoyu (Jin Xiaoyu. the research of ammonium polyphosphate flame-resistant plastic-wood composite materials [J], plastics are made, and 2009,12:57-59) interpolation of report ammonium polyphosphate effectively improves the horizontal firing performance of Wood plastic composite, the horizontal firing time is increased, and horizontal firing speed descends.
Summary of the invention
The object of the present invention is to provide overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant and preparation method thereof.
The proportioning that the composition of the overall plastic imitated wood material of the little foaming of described halogen-free flame-retardant reaches by mass ratio is: polystyrene (PS) 100, high-impact polystyrene (HIPS) 20～40, resin 10～15, inorganic filling material 2～5, halogen-free flame retardants 30～60, smoke suppressant 10～20, whipping agent 0.5～1.5, abscess conditioning agent 0.5～2, tinting material 0.5～2, auxiliary agent 1.5～3.
Described resin can be selected from least a in acrylonitrile-butadiene-styrene (ABS) segmented copolymer (ABS) resin, acrylonitritrile-styrene resin (AS) and the polymethylmethacrylate (PMMA) etc.
Described inorganic filling material can be selected from CaCO
3Nano particle and SiO
2Nano particle, or CaCO
3Nano particle and SiC nano particle, or CaCO
3Nano particle and BaSO
4Nano particle etc.; Wherein press mass ratio, CaCO
3Nano particle is 1～3, SiO
2Nano particle or SiC nano particle or BaSO
4Nano particle is 1～2.
Described halogen-free flame retardants can comprise composite flame-retardant agent and inorganic combustion inhibitor, presses mass ratio, composite flame-retardant agent: inorganic combustion inhibitor can be (5～7): 1; Wherein composite flame-retardant agent can be ammonium polyphosphate and zinc borate composite flame-retardant agent; Or ammonium polyphosphate, tetramethylolmethane and trimeric cyanamide composite flame-retardant agent; Or ammonium polyphosphate and zinc borate composite flame-retardant agent, and ammonium polyphosphate, tetramethylolmethane and trimeric cyanamide composite flame-retardant agent; Described ammonium polyphosphate: zinc borate can be 3: 2; Described ammonium polyphosphate: tetramethylolmethane: trimeric cyanamide can be 3: 1: 3; Described inorganic combustion inhibitor can be MgOH and Al (OH)
3, described MgOH: Al (OH)
3Can be 1: 1.
Described smoke suppressant can be selected from zinc molybdate, ferric oxide, zinc oxide, Red copper oxide, zinc borate, at least a in the magnesium hydroxide etc.
Described whipping agent can comprise endothermic blowing agent and heat release type whipping agent, presses mass ratio, endothermic blowing agent: heat release type whipping agent can be 1: (0.5～2), wherein endothermic blowing agent is volatile salt, bicarbonate of ammonia, NaHCO
3Whipping agent, AC/NaHCO
3Composite foamed solvent, Hydrocell (Cellmic C 121 mixture) whipping agent, citric acid and sodium bicarbonate mixture (Hydrocerolbih) whipping agent, one or two or more kinds in the CF series whipping agent (agent of polystyrene special-purpose foaming); Heat release type whipping agent is AC (Cellmic C 121) whipping agent and/or AP (azoformamide potassium formiate).
Described CF series whipping agent is a kind of in CF-5505 whipping agent, CF-210 whipping agent, the CF-420 whipping agent (Britain HENLEY brand whipping agent) etc.
Described abscess conditioning agent is ACR (polyacrylate(s)).
Described auxiliary agent can comprise UV light absorber, lubricant, banksia rose agent and dispersion agent, presses mass ratio, UV light absorber 0.2～0.5, lubricant 0.2～0.5, banksia rose agent 0.4～0.7, dispersion agent 0.7～1.3; Described UV light absorber can be selected from Octabenzone (UV-531); Optional at least a in polyethylene wax, lithium complex-soap base grease, Zinic stearas, calcium stearate, amido silicon oil etc. of described lubricant; Described banksia rose agent can be selected from a kind of in cloud wood Radix Aucklandiae oil, sandalwood Radix Aucklandiae oil, the Camphorwood sesame oil etc.; Described dispersion agent can be and contains end carboxylated polypropylene acid butyl ester (PBACOOH) oligopolymer.
Described tinting material can be selected from least a in mineral dye, the pigment dyestuff etc., the optional autoxidation zinc of described mineral dye, red iron oxide and carbon black composite pigment; Described pigment dyestuff can be selected from least a among diarylide yellow, quinacridone violet, the permanent yellow HR etc.
The preparation method of the overall plastic imitated wood material of the little foaming of described halogen-free flame-retardant may further comprise the steps:
1) by the set of dispense ratio auxiliary agent, tinting material, halogen-free flame retardants, smoke suppressant, whipping agent and abscess conditioning agent are mixed, obtain compound A;
2) with resin and inorganic filling material drying;
In step 2) in, described drying can be at 80 ℃ of following dry 2h.
3) press proportioning with polystyrene, high-impact polystyrene, resin and inorganic filling material, and compound A mixing, compound B obtained;
4) with compound B granulation, with the pellet moulding of gained, get the overall plastic imitated wood material of the little foaming of halogen-free flame-retardant.
In step 4), described granulation can be with compound B through the twin screw extruder extruding pelletization, and the temperature that granulation is extruded can be 150～170 ℃; Described moulding can be extruded the pellet of gained machine-shaping or be passed through the injection-moulding device injection moulding in forcing machine; The described extrusion temperature of extruding machine-shaping can be 150～200 ℃, and screw speed can be 6～10r/min; The injection pressure of the injection-moulding device of described injection moulding can be 60～120MPa, and dwell pressure can be 30～40MPa, and nozzle temperature can be 170～200 ℃.
The overall plastic imitated wood material of the little foaming of halogen-free flame-retardant of the present invention's preparation is compared with traditional halogen-free flameproof plastic, and uniqueness is that it has the outward appearance close with wood materials, texture and even physical mechanical processing characteristics.Compare with the Wood plastic composite with flame retardant properties, its unique significance because is, overall plastic imitated wood material itself can 100% recycling, and because do not contain the wood fibre composition, the relative Wood-plastic material of its fire-retardant requirement is realized easily.Non-halogen Flame Retardant Technology being applied to this material, producing the secondary pollution that toxic and harmful produces when having avoided traditional halogen flame to play a role, is green material truly.The halogen-free flame retardants that the present invention adopts is ammonium polyphosphate, zinc borate, tetramethylolmethane, trimeric cyanamide and Mg (OH)
2And Al (OH)
3Composite.Ammonium polyphosphate is phosphorous, nitrogen amount height, Heat stability is good, and toxicity is low, press down the cigarette height, and can be used as dewatering agent, and make the fire retardant material carbonization, form the charcoal layer, the ammonia that discharges during burning can be used as whipping agent expands the charcoal layer, and this charcoal layer can be heat insulation, oxygen barrier, press down cigarette, anti-molten drop, thereby play fire retardation.Zinc borate is attached to material surface with the loose powdered state, hinders the combustion reactions of material by heat insulation trapping effect, and the oxygen in simultaneously can absorbed air therefore can catalytic material perfect combustion, effectively reduces the concentration of smog and poison gas.Thereby when ammonium polyphosphate and zinc borate formed composite flame-retardant agent, each component was learnt from other's strong points to offset one's weaknesses with different mechanism performance fire retardations, to fire-retardant and press down cigarette and produce tangible compound action.In ammonium polyphosphate, tetramethylolmethane and trimeric cyanamide expanded polystyrene veneer composite flame-retardant agent, the three plays acid source, carbon source, action of gas source respectively, plays fire retardation thereby form many cavitys foam carbonaceous layer when being heated.And inorganic Mg (OH)
2And Al (OH)
3Thermolysis can produce water vapour, and the oxide compound of generation is high grade refractory, and can form charring layer on the surface, has the anoxybiotic thermal insulation to press down the cigarette effect.
Embodiment
The invention will be further described below by embodiment.
Embodiment 1
With 2 parts of nano silicons, 1 part of nano-calcium carbonate, 10 parts of mixing of ABS resin, described material is in 80 ℃ of dry 2h in drying machine, simultaneously with 0.5 part of sodium bicarbonate/AP (4: 5) whipping agent, 0.5 part of K-400 abscess conditioning agent, 30 parts of ammonium polyphosphate flame retardants (APP)/zinc borate (ZB) (3: 2), 5 parts in magnesium hydroxide/aluminium hydroxide (1: 1).10 parts of smoke suppressant zinc molybdate/ferric oxide/zinc borate (4: 2: 4), 0.2 part of UV-531 (UV light absorber), 0.2 part of polyethylene wax/lithium complex-soap base grease (1: 1), 0.4 part of sandalwood Radix Aucklandiae oil, 0.7 part of butyl polyacrylate, 0.5 part of mixing of zinc oxide/red iron oxide/carbon black (2: 2: 1), then with 100 parts of described two groups of mixtures and PS, 25 parts of mixing of HIPS, with final mixture extruding pelletization in twin screw extruder (160 ℃ of granulation extrusion temperatures), at last with the pellet of gained forcing machine (180 ℃ are extruded machine-shaping in the screw speed 6～10r/min).
Oxygen index and smoke density to product material detect, and with inflammable degree and the amount of being fuming of evaluating material, release flame retardant properties indexs such as cigarette speed, detected result is as follows:
1, oxygen index detects: the oxygen index detected value is 22.6, and according to the GB2406-80 definition, plastics oxygen index＜21 are flammable plastics, are self-extingushing plastic between 22～27, and oxygen index＞27 are flame-retardant plastic.The polystyrene plastic oxygen index is 17～18, is flammable plastics, and by comparison, this overall plastic imitated wood material oxygen index is more than 22, is self-extinguishing, has certain flame retardant properties.This material and traditional Halogen fire retardant material have close flame retardant effect, and do not discharge toxic and harmful such as hydrogen halide in the fire-retardant process, produce secondary pollution when avoiding flame-retardant composition to play a role, and reduce the loss that fire brings to greatest extent.
2, smoke density detects: detect through JSC-2 plastic smoke density proofing unit, testing conditions is as follows: sample is apart from source of radiation 25cm, and radiant illumination is 25KW/m
2(be that radiation temperature is 530 ℃, envrionment temperature is 40 ℃), sample average smoke density when 8min sharply increases, and the maximum smoke density of sample mean is 343.47. (instrument can detect and be limited to 792 on the smoke density) when detecting 10min according to GB GB-T8323-2008.In same experimental conditions, the detected result of polystyrene plastic is as follows: smoke density sharply increases during 4min, and according to GB/T8323-2008, maximum smoke density is 792 (the smoke density maximum has reached to detect and reached the standard grade) during 10min.Detected result explanation: than polystyrene plastic, this overall plastic imitated wood material amount of being fuming greatly reduces, and the speed of being fuming is greatly slowed down, and is conducive to reduce flue dust to the interference of personnel's sight line and breathing when fire takes place, be conducive to the escape time that provides longer, reduce loss of life and personal injury and property damage.
Product is carried out tensile strength, flexural strength, and water-intake rate is held part physical and mechanical properties detections such as screw power, the results are shown in Table 1.
Embodiment 2
With 3 parts of nano barium sulfates, 2 parts of nano-calcium carbonates, 13 parts of mixing of AS/PMMA resin (8: 5), in drying machine in 80 ℃ of dryings two hours.Simultaneously with 1 part of Hydrocell/AC whipping agent (4: 5), 1 part of HL-100 abscess conditioning agent, 40 parts of ammonium polyphosphate flame retardants (APP)/tetramethylolmethane (PER)/trimeric cyanamide (3: 1: 3), 15 parts in magnesium hydroxide/aluminium hydroxide (1: 1) 7 parts of smoke suppressant molybdic acids zinc/zinc oxide/aluminium hydroxide (7: 5: 3), 0.3 part of UV-531 (UV light absorber), 0.3 part of calcium stearate/Zinic stearas/amido silicon oil (1: 1: 1), 0.4 part of cloud wood Radix Aucklandiae oil, 1 part of butyl polyacrylate, diarylide yellow/quinacridone violet/1 part of mixing of permanent yellow HR (4: 2: 4), then with 100 parts of described two groups of mixtures and PS, 30 parts of mixing of HIPS, with final mixture extruding pelletization in twin screw extruder (170 ℃ of granulation extrusion temperatures), at last with the pellet of gained forcing machine (200 ℃ are extruded machine-shaping in the screw speed 6～10r/min).
Product is carried out tensile strength, flexural strength, and water-intake rate is held Performance Detection such as screw power, the results are shown in Table 1.
Embodiment 3
With 1 part of nano silicon, 2 parts of nano barium sulfates, 3 parts of nano-calcium carbonates, 15 parts of mixing of ABS/AS/PMMA resin (6: 6: 3), in drying machine in 80 ℃ of dryings two hours.Simultaneously with whipping agent AP/AC/NaHCO
3Compound (7: 3: 4) 1.5 parts, 2 parts of abscess conditioning agent HL-100/PA-530 compound (1: 1), 25 parts of ammonium polyphosphate flame retardants (APP)/zinc borate (ZB) (3: 2) composite flame-retardant agent, 25 parts of ammonium polyphosphates (APP)/tetramethylolmethane (PER)/trimeric cyanamide (3: 1: 3) composite flame-retardant agent, 10 parts in magnesium hydroxide/aluminium hydroxide (1: 1), suppress cigarette zinc molybdate/ferric oxide/Red copper oxide, zinc borate (6: 4: 4: 6) 20 parts, 0.5 part of UV-531 (UV light absorber), 0.5 part of polyethylene wax/amido silicon oil (2: 3), 0.7 part of Camphorwood sesame oil, 1.3 parts of butyl polyacrylates, zinc oxide/red iron oxide/carbon black, diarylide yellow, quinacridone violet, 1.5 parts of mixing of permanent yellow HR (2: 3: 1: 4: 2: 3) are then with 100 parts of described two groups of mixtures and PS, HIPS35 part is mixed, with final mixture extruding pelletization in twin screw extruder (160 ℃ of granulation extrusion temperatures), at last with the pellet of gained forcing machine (180 ℃ are extruded machine-shaping in the screw speed 6～10r/min).
Embodiment 4
With 1 part of nano silicon, 1 part of nano barium sulfate, 3 parts of nano-calcium carbonates, ABS/PMMA resin 15 parts (3: 2) mixes, in drying machine in 80 ℃ of dryings two hours.Simultaneously with 1.5 parts of whipping agent N-2000/CF-5505/AC compound (2: 2: 1), 2 parts of K-400/HL-100 (1: 1) compound vacuole pore regulators, 25 parts of fire retardant dimethyl 2-glycidyl base silanes/phosphorous nitrogen carboxyphenyl methane/zinc borate (ZB) (3: 3: 2) composite flame-retardant agent, 5 parts in magnesium hydroxide/aluminium hydroxide (1: 1), 10 parts of smoke suppressant zinc molybdate/ferric oxide/zinc borate (4: 2: 4), 0.5 part of UV-531 (UV light absorber), 0.5 part of calcium stearate/polyethylene wax/amido silicon oil (1: 2: 2), 0.7 part of Camphorwood sesame oil, 1.5 parts of butyl polyacrylates, zinc oxide/red iron oxide/carbon black, 1.5 parts of mixing of diarylide yellow/quinacridone violet/permanent yellow HR (2: 3: 1: 4: 2: 3), then with described two groups of mixtures and PS100 part, HIPS35 part is mixed, with final mixture extruding pelletization in twin screw extruder (160 ℃ of granulation extrusion temperatures), pellet with gained passes through the horizontal injection press injection moulding at last, 180～195 ℃ of nozzle temperatures, injection pressure 80-120MPa, dwell pressure 30-40MPa.。
Product is carried out tensile strength, flexural strength, and water-intake rate is held Performance Detection such as screw power, the results are shown in Table 1.
Table 1
| Embodiment | Tensile strength (MPa) | Shock strength (J/M 2) | Water-intake rate (%) | Hold screw power (N) |
| 1 | 17.2 | 0.14 | 0.7 | 2095 |
| 2 | 17.4 | 0.16 | 0.72 | 2132 |
| 3 | 17.8 | 0.18 | 0.71 | 2174 |
| 4 | 18.2 | 0.17 | 0.73 | 2210 |
Claims (11)
1. overall plastic imitated wood material of the little foaming of halogen-free flame-retardant, it is characterized in that the proportioning that its composition reaches by mass ratio is: polystyrene 100, high-impact polystyrene 20～40, resin 10～15, inorganic filling material 2～5, halogen-free flame retardants 30～60, smoke suppressant 10～20, whipping agent 0.5～1.5, abscess conditioning agent 0.5～2, tinting material 0.5～2, auxiliary agent 1.5～3;
Described resin is selected from least a in acrylonitrile-butadiene-styrene (ABS) block copolymer resin, acrylonitritrile-styrene resin and the polymethylmethacrylate;
Described halogen-free flame retardants comprises composite flame-retardant agent and inorganic combustion inhibitor, presses mass ratio, composite flame-retardant agent: inorganic combustion inhibitor is (5～7): 1; Wherein composite flame-retardant agent is ammonium polyphosphate and zinc borate composite flame-retardant agent; Or ammonium polyphosphate, tetramethylolmethane and trimeric cyanamide composite flame-retardant agent; Or ammonium polyphosphate and zinc borate composite flame-retardant agent, and ammonium polyphosphate, tetramethylolmethane and trimeric cyanamide composite flame-retardant agent; Described ammonium polyphosphate: zinc borate is 3: 2; Described ammonium polyphosphate: tetramethylolmethane: trimeric cyanamide is 3: 1: 3; Described inorganic combustion inhibitor is Mg (OH)
2And Al (OH)
3, described Mg (OH)
2: Al (OH)
3It is 1: 1;
Described whipping agent comprises endothermic blowing agent and heat release type whipping agent, presses mass ratio, endothermic blowing agent: heat release type whipping agent is 1: (0.5～2), wherein endothermic blowing agent is volatile salt, bicarbonate of ammonia, NaHCO
3Whipping agent, AC/NaHCO
3Composite foamed solvent, Cellmic C 121 mixture whipping agent, citric acid and sodium bicarbonate mixture whipping agent, one or two or more kinds in the CF series whipping agent; Heat release type whipping agent is selected from least a in azodicarbonamide foaming agent, the azoformamide potassium formiate.
2. the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as claimed in claim 1 is characterized in that described inorganic filling material is selected from CaCO
3Nano particle and SiO
2Nano particle, or CaCO
3Nano particle and SiC nano particle, or CaCO
3Nano particle and BaSO
4Nano particle; Wherein press mass ratio, CaCO
3Nano particle is 1～3, SiO
2Nano particle or SiC nano particle or BaSO
4Nano particle is 1～2.
3. the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as claimed in claim 1 is characterized in that described smoke suppressant is selected from zinc molybdate, ferric oxide, zinc oxide, Red copper oxide, zinc borate, at least a in the magnesium hydroxide.
4. the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as claimed in claim 1 is characterized in that described CF series whipping agent is selected from the CF-210 whipping agent;
Described abscess conditioning agent is polyacrylate(s);
Described tinting material is selected from least a in mineral dye, the pigment dyestuff, and described mineral dye is selected from zinc oxide, red iron oxide and carbon black composite pigment; Described pigment dyestuff is selected from least a among diarylide yellow, quinacridone violet, the permanent yellow HR.
5. the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as claimed in claim 1, it is characterized in that described auxiliary agent comprises UV light absorber, lubricant, banksia rose agent and dispersion agent, press mass ratio, UV light absorber 0.2～0.5, lubricant 0.2～0.5, banksia rose agent 0.4～0.7, dispersion agent 0.7～1.3; Described UV light absorber is selected from Octabenzone; Described lubricant is selected from least a in polyethylene wax, lithium complex-soap base grease, Zinic stearas, calcium stearate, the amido silicon oil; Described banksia rose agent is selected from a kind of in cloud wood Radix Aucklandiae oil, sandalwood Radix Aucklandiae oil, the Camphorwood sesame oil; Described dispersion agent is for containing end carboxylated polypropylene acid butyl ester oligopolymer.
6. the preparation method of the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant according to claim 1 is characterized in that may further comprise the steps:
1) by the set of dispense ratio auxiliary agent, tinting material, halogen-free flame retardants, smoke suppressant, whipping agent and abscess conditioning agent are mixed, obtain compound A;
2) with resin and inorganic filling material drying;
3) press proportioning with polystyrene, high-impact polystyrene, resin and inorganic filling material, and compound A mixing, compound B obtained;
4) with compound B granulation, with the pellet moulding of gained, get the overall plastic imitated wood material of the little foaming of halogen-free flame-retardant.
7. as the preparation method of the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as described in the claim 6, it is characterized in that in step 2) in, described drying is at 80 ℃ of dry 2h down.
8. as the preparation method of the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as described in the claim 6, it is characterized in that in step 4), described granulation be with compound B through the twin screw extruder extruding pelletization, the temperature that granulation is extruded is 150～170 ℃.
9. as the preparation method of the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as described in the claim 6, it is characterized in that in step 4) that described moulding is the pellet of gained to be extruded machine-shaping or by the injection-moulding device injection moulding in forcing machine.
10. as the preparation method of the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as described in the claim 9, it is characterized in that the described extrusion temperature of extruding machine-shaping is 150～200 ℃, screw speed is 6～10r/min.
11. as the preparation method of the overall plastic imitated wood material of the little foaming of a kind of halogen-free flame-retardant as described in the claim 9, the injection pressure that it is characterized in that the injection-moulding device of described injection moulding is 60～120MPa, dwell pressure is 30～40MPa, and nozzle temperature is 170～200 ℃.
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| CN118185507B (en) * | 2024-04-09 | 2024-09-20 | 扬州市众和同盛包装材料有限公司 | Multilayer embossing precoating film and preparation method thereof |
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| CN101590689A (en) * | 2009-06-19 | 2009-12-02 | 上海天杰塑料制品有限公司 | The processing method of polystyrene foaming section |
| CN101899186A (en) * | 2010-07-19 | 2010-12-01 | 东莞市普凯塑料科技有限公司 | Flowing master batch of PS plastic wood-imitation foaming section and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101590689A (en) * | 2009-06-19 | 2009-12-02 | 上海天杰塑料制品有限公司 | The processing method of polystyrene foaming section |
| CN101899186A (en) * | 2010-07-19 | 2010-12-01 | 东莞市普凯塑料科技有限公司 | Flowing master batch of PS plastic wood-imitation foaming section and preparation method thereof |
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