CN105131429A - Method for preparing inflaming-retarding weather-proof stadium seat - Google Patents
Method for preparing inflaming-retarding weather-proof stadium seat Download PDFInfo
- Publication number
- CN105131429A CN105131429A CN201510635265.3A CN201510635265A CN105131429A CN 105131429 A CN105131429 A CN 105131429A CN 201510635265 A CN201510635265 A CN 201510635265A CN 105131429 A CN105131429 A CN 105131429A
- Authority
- CN
- China
- Prior art keywords
- seat
- preparation
- weight
- powder
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a method for preparing an inflaming-retarding weather-proof stadium seat. A raw material used for preparing the seat is placed in an extruder for granulation, obtained granules are added to an injection molding machine to form melt, the melt is injected into a seat mold through the injection molding machine, and then demolding is conducted to form the seat. The raw material is prepared from 5-10 parts of a polypropylene matrix, 40-50 parts of modified polypropylene, 5-10 parts of modified anion powder, 9-28 parts of hydrophobic filler, 5-10 parts of nitrogen-phosphorus flame retardant, 5-10 parts of magnesium borate whiskers and 0.5-1.5 parts of compound antioxidant. Most large-scale stadiums are located outdoors. Due to the high hydrophobicity of the surface of the seat made with the raw material, liquid drops can not make contact with a large area of the material, and then the weather resistance of the seat is improved.
Description
Technical field
The present invention relates to the preparation method of a kind of flame-proof weather-resisting type stadium seat.
Background technology
In recent years, there are clear and definite requirement and demarcation in country to the combustionproperty of public place goods and assembly, and people also increase day by day to the attention rate of the security against fire of public place.Flourish along with world sport cause in recent years, stadiums are as the public place of a particularly important, and the various materials that therefore stadiums use all must meet the demands.As far back as 2003, national standard QB/T2601-2003 " stadiums public chair " issued, and the flame retardant resistance of this standard to seat makes explicit provisions, and also specify the weather proof requirement of plastic component simultaneously.This is because the fire retardant that plastics are commonly used is halogen fire retardant, it generates corrosive hydrogen halide when burning, and the amount of being fuming is large, and a lot of country prohibits the use now.And when plastics are placed on after outdoor exposes to sunlight, not only flame retardant resistance can decline, and relative aging resistance is deteriorated, and mechanical property declines, and easily fades.Stadium, primarily of motion place and seat region composition, because stadium is in outdoor, needs exploitation a kind of with good flame retardant properties, mechanical property, ageing resistance and lower-cost matrix material.
Summary of the invention
Technical problem to be solved by this invention is the problem overcoming existing stadium seat district ageing resistance and weathering resistance difference, provides the preparation method of a kind of flame-proof weather-resisting type stadium seat.
The present invention for the adopted technical scheme that solves the problem is: the preparation method of a kind of flame-proof weather-resisting type stadium seat, raw material for the preparation of seat is placed in forcing machine granulation, pellet granulation obtained adds in injection moulding machine and forms melt, melt is expelled in seat mould through injection moulding machine again, the demoulding, obtained seat, described raw material is by polypropylene matrix 5-10 part, modified polypropene 40-50 part, modified negative-ion powder 5-10 part, dewatering filling 9-28 part, nitrogen phosphorus fire retardant 5-10 part, magnesium borate crystal whisker 5-10 part and compound antioxidant 0.5-1.5 part composition, the preparation method of seat comprises the following steps:
The preparation of step one, modified polypropene
By ReO
3powder is placed in the mixing machine being preheated to 80 ~ 100 DEG C, and in the process of mix and blend, adding weight is ReO
3the silane coupling agent of powder weight 5 ~ 10%, reaction 30min, mixing built-in temperature is down to 60 ~ 70 DEG C, and adding weight is ReO
3the polypropylene that powder weight is 100 times, stirs 30 ~ 50min, obtained modified polypropene, for subsequent use;
The preparation of step 2, modified negative-ion powder
According to the weight ratio of 1:20 ~ 30, take the coupling agent with unsaturated double-bond and nonionic powder respectively, after negative ion powder being placed in dryer oven dry, add coupling agent and dehydrated alcohol, mix and blend 0.5 ~ 5h at 100 ~ 120 DEG C, after naturally cooling, obtained modified negative-ion powder, for subsequent use;
The preparation of step 3, dewatering filling
According to the weight ratio of 1:10 ~ 30, take urea-formaldehyde resin and nano modifier, after stirring, add the mineral filler that weight is urea-formaldehyde resin and nano modifier gross weight 1.5 times, stir to obtain mixture, then the water-resisting agent that weight is mixture total weight 0.1 ~ 0.3% is added, and add the deionized water being equivalent to mixture 1.5 ~ 3 times of weight, after stirring, be placed in grinding machine and carry out ultra-fine ball milling, filter after ball milling, dry ultrafine powder, ultrafine powder is placed in reactor, and add ethanol, glycerol and tensio-active agent, under 1.2 ~ 1.5 normal atmosphere, reactor is heated to 80 ~ 90 DEG C, after reaction 2 ~ 3h, stop heating, material is taken out after leaving standstill 1h, after utilizing deionized water wash, dry, obtained dewatering filling, for subsequent use,
The preparation of step 4, seat
(1), according to the parts by weight of described raw material, take polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, compound antioxidant, step one obtained modified polypropene, the modified negative-ion powder that step 2 obtains and the dewatering filling that step 3 obtains, by polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, after compound antioxidant and modified polypropene mix, be placed in the mixing machine that rotating speed is 1000r/min, 5 ~ 8min is mixed at 100-200 DEG C of temperature, mixing built-in temperature is down to 75 ~ 90 DEG C, add modified negative-ion powder and dewatering filling, mixing 8 ~ 15min, obtained mixture, for subsequent use,
(2), by the mixture of preparation be placed in forcing machine granulation, wherein, in extruder barrel, temperature is: 165 DEG C, a district, 170 DEG C, 2nd district, 180 DEG C, three DEG CHe tetra-district of district 175, and the temperature of mouth mould is 185 DEG C, obtained pellet, for subsequent use;
(3), the pellet of preparation is added in injection moulding machine, form melt, wherein, in injection moulding machine machine barrel, temperature is: 170 DEG C, a district, 190 DEG C, two DEG CHe tri-district of district 180, gets default mould, by glaze on the inner-wall spraying of mold cavity, then make melt temperature in injection moulding machine be the nozzle injection of 185 DEG C in the die cavity of mould, die temperature is heated to be 60 ~ 80 DEG C, the melt in die cavity is pressurize 30s under the pressure of 35MPa, the demoulding after cooling, obtained seat.
Wherein, in step 3 (3), the glaze of wall of die cavity spraying is made up of the raw material of following weight part: raw glaze material 30-50 part, suspension agent 2-10 part, water glass 0.5-0.8 part, Sodium Tetraborate 8-10 part and tourmaline powder 1-1.5 part.
In the present invention, described mineral filler is the carbon black of 1-5:1-5:5-10 by weight ratio, carbon fiber and modification expansible black lead composition, wherein, the preparation method of modification expansible black lead is, according to the weight ratio of 100:2:150, take expansible black lead successively, titanate coupling agent and dehydrated alcohol, whole titanate coupling agents and dehydrated alcohol are placed in beaker, water-bath 60 DEG C, after stirring 0.5h, make titanate coupling agent/dehydrated alcohol mixing solutions, again expansible black lead is placed in this mixing solutions, after stirring 2h, the baking oven being placed in 85 DEG C is dried, obtained modification expansible black lead.
Wherein, described carbon fiber is chopped carbon fiber, and length is 1-5 millimeter, filament diameter 6.9 microns, intensity 4900MPa, resistivity 1.5 × 10
-3, unit elongation is 2.1%; The particle diameter of obtained modification expansible black lead is 180-270 micron.
In the present invention, the fire retardant mechanism of the expansible black lead added belongs to coagulation phase fire retardant mechanism, it be by delay or interrupt solid matter produce inflammable substance and reach fire-retardant, because expansible black lead is a kind of graphite intercalation compound, acquire a certain degree when being heated, its rapid spatial expansion, thus form the very thick porous layer of charcoal of one deck, this layer of charcoal separates fire-retardant main body and thermal source, thus delays or stop polymer unwinds.And only add the polypropylene composite material of expansible black lead, the layer of charcoal intensity that its combustionmaterial is formed is low, and has a large amount of holes, even if the more layer of charcoal formed can not play good shielding effect.In the present invention, modification expansible black lead and nitrogen phosphorus compound flame retardant are worked in coordination with and are used, in the process of burning, nitrogen phosphorus compound flame retardant can form fine and close layer of charcoal effectively, reduces layer of charcoal hole, and the two can heat insulation, oxygen barrier effectively with the use of the fine and close layer of charcoal formed after burning, and prevent molten drop, meanwhile, also can suppress raw smoke which, not generate poisonous or corrosive gases.
In the present invention, carbon black has certain crosslinked action on the one hand in the process of burning, makes residue surface fine and close, can improve the flame retardant properties of material as fire retarding synergist; On the other hand, itself and expansible black lead and carbon fiber have antistatic property with the use of making matrix material, make material have double function characteristic.
Carbon fiber is a kind of fibrous carbon material, and intensity is large, density is little, erosion resistance is strong, high temperature resistant, is a kind of material simultaneously with calorifics and mechanical property.Carbon fiber has certain heterogeneous nucleating effect to polypropylene, improves nonisothermal crystallization peak temperature and the degree of crystallinity of polypropylene matrix, and causes defining crystal formation in matrix.In isothermal crystal process, polypropylene is easy at fiber cross-sectional end nucleation and crystallization, and dispersiveness is in the base better, and irregular connection between carbon fiber layer, can prevent slippage, and the shock strength of material and elongation at break are obviously promoted; Simultaneously with expansible black lead and carbon black with the use of forming conductive channel, make material have antistatic property.
Magnesium borate crystal whisker has lightweight, high strength, high elastic coefficient, high rigidity, the excellent properties such as high temperature resistant, corrosion-resistant and good physical strength and electrical insulating property, nontoxic pollution-free.Shaping good fluidity, close to packless resin, whisker can reach any corner of parts, and surface is flat clean smooth, and formed precision is high, and part dimension stability is strong.
The anti-oxidation inhibitor of master that compound antioxidant is elimination free radical with aromatic amine, hindered phenol, with can rapidly decompose hydroperoxide be main phosphorous acid ester, monothioester etc. be auxiliary anti-oxidant composition, and the collaborative increasing agent such as this ultraviolet absorbers of compound, there is well anti-oxidant and UV resistant color shifting properties; The magnesium borate crystal whisker that the present invention adopts, length-to-diameter ratio is 30-50.
Beneficial effect: 1, raw material of the present invention is meeting fire-retardant, anlistatig while, is also added with dewatering filling, because coliseum is outdoor mostly, the seat that raw material of the present invention is made, there is certain roll angle, when drop drops at seat surface, due to the hydrophobicity that seat surface is higher, drop can not large-area contact material, can tumble in time, in rolling process, dust granule and the spot of seat surface are involved in drop, leave seat surface, improve the weathering resistance of seat.
2, the present invention sprays glaze at wall of die cavity, and the seat surface that melt is made adheres to the fine and close glaze layer of one deck, and on the one hand, glaze infiltrates in the hole of melt inside, forms heat insulation, oxygen barrier protective layer, can ensure the insulation of seat, heat insulation, resistance to deterioration; On the other hand, the negative ion powder in raw material and the negative ion powder in glaze, when contacting with air, can decompose odor molecules structure, avoid the spot peculiar smell because life-time service seat causes.
3, the nitrogen phosphorus fire retardant in the present invention and expansible black lead are worked in coordination with and are used, and expansible black lead improves carbon layer, and nitrogen phosphorus fire retardant improves layer of charcoal surface compact degree, the synergistic effect of the two, while reduction fire retardant loading level, improve flame retarding efficiency, reduce production cost; Meanwhile, cigarette total volume can be reduced in the process of burning.
Embodiment
Below in conjunction with specific embodiment, the preparation method to flame-proof weather-resisting type stadium of the present invention seat is described further, and can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
Embodiment 1
The preparation method of a kind of flame-proof weather-resisting type stadium seat, raw material for the preparation of seat is placed in forcing machine granulation, pellet granulation obtained adds in injection moulding machine and forms melt, melt is expelled in seat mould through injection moulding machine again, the demoulding, obtained seat, described raw material is made up of polypropylene matrix 5 parts, modified polypropene 50 parts, 10 parts, modified negative-ion powder, dewatering filling 15 parts, nitrogen phosphorus fire retardant 10 parts, magnesium borate crystal whisker 10 parts and compound antioxidant 1.5 parts, and the preparation method of seat comprises the following steps:
The preparation of step one, modified polypropene: by ReO
3powder is placed in the mixing machine being preheated to 100 DEG C, and in the process of mix and blend, adding weight is ReO
3the silane coupling agent of powder weight 10%, reaction 30min, mixing built-in temperature is down to 65 DEG C, and adding weight is ReO
3the polypropylene that powder weight is 100 times, stirs 30min, obtained modified polypropene, for subsequent use;
The preparation of step 2, modified negative-ion powder: according to the weight ratio of 1:20, take the coupling agent with unsaturated double-bond and nonionic powder respectively, after negative ion powder being placed in dryer oven dry, add coupling agent and dehydrated alcohol, mix and blend 4h at 100 DEG C, after naturally cooling, obtained modified negative-ion powder, for subsequent use;
Step 3, the preparation of dewatering filling: according to the weight ratio of 1:20, take urea-formaldehyde resin and nano modifier, after stirring, add the mineral filler that weight is urea-formaldehyde resin and nano modifier gross weight 1.5 times, stir to obtain mixture, then the water-resisting agent that weight is mixture total weight 0.1% is added, and add the deionized water being equivalent to mixture 1.5 times of weight, after stirring, be placed in grinding machine and carry out ultra-fine ball milling, filter after ball milling, dry ultrafine powder, ultrafine powder is placed in reactor, and add ethanol, glycerol and tensio-active agent, under 1.2 normal atmosphere, reactor is heated to 90 DEG C, after reaction 3h, stop heating, material is taken out after leaving standstill 1h, after utilizing deionized water wash, dry, obtained dewatering filling, for subsequent use, wherein, mineral filler is the carbon black of 3:5:5 by weight ratio, carbon fiber and modification expansible black lead composition, wherein, the preparation method of modification expansible black lead is, according to the weight ratio of 100:2:150, take expansible black lead successively, titanate coupling agent and dehydrated alcohol, whole titanate coupling agents and dehydrated alcohol are placed in beaker, water-bath 60 DEG C, after stirring 0.5h, make titanate coupling agent/dehydrated alcohol mixing solutions, again expansible black lead is placed in this mixing solutions, after stirring 2h, the baking oven being placed in 85 DEG C is dried, obtained modification expansible black lead.
Step 4, the preparation of seat: (1), according to the parts by weight of described raw material, take polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, compound antioxidant, step one obtained modified polypropene, the modified negative-ion powder that step 2 obtains and the dewatering filling that step 3 obtains, by polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, after compound antioxidant and modified polypropene mix, be placed in the mixing machine that rotating speed is 1000r/min, 8min is mixed at 120 DEG C of temperature, mixing built-in temperature is down to 75 DEG C, add modified negative-ion powder and dewatering filling, mixing 15min, obtained mixture, for subsequent use,
(2), by the mixture of preparation be placed in forcing machine granulation, wherein, in extruder barrel, temperature is: 165 DEG C, a district, 170 DEG C, 2nd district, 180 DEG C, three DEG CHe tetra-district of district 175, and the temperature of mouth mould is 185 DEG C, obtained pellet, for subsequent use;
(3), the pellet of preparation is added in injection moulding machine, form melt, wherein, in injection moulding machine machine barrel, temperature is: 170 DEG C, a district, 190 DEG C, two DEG CHe tri-district of district 180, get default mould, by glaze on the inner-wall spraying of mold cavity, wherein, glaze is made up of the raw material of following weight part: 50 parts, raw glaze material, suspension agent 10 parts, water glass 0.5 part, Sodium Tetraborate 8 parts and tourmaline powder 1 part; Then make melt temperature in injection moulding machine be the nozzle injection of 185 DEG C in the die cavity of mould, die temperature is heated to be 80 DEG C, the melt in die cavity is pressurize 30s under the pressure of 35MPa, the demoulding after cooling, obtained seat.
Embodiment 2
The preparation method of a kind of flame-proof weather-resisting type stadium seat, raw material for the preparation of seat is placed in forcing machine granulation, pellet granulation obtained adds in injection moulding machine and forms melt, melt is expelled in seat mould through injection moulding machine again, the demoulding, obtained seat, described raw material is made up of polypropylene matrix 7 parts, modified polypropene 40 parts, 5 parts, modified negative-ion powder, dewatering filling 28 parts, nitrogen phosphorus fire retardant 7 parts, magnesium borate crystal whisker 8 parts and compound antioxidant 0.5 part, and the preparation method of seat comprises the following steps:
The preparation of step one, modified polypropene: by ReO
3powder is placed in the mixing machine being preheated to 80 DEG C, and in the process of mix and blend, adding weight is ReO
3the silane coupling agent of powder weight 8%, reaction 30min, mixing built-in temperature is down to 60 DEG C, and adding weight is ReO
3the polypropylene that powder weight is 100 times, stirs 30min, obtained modified polypropene, for subsequent use;
The preparation of step 2, modified negative-ion powder: according to the weight ratio of 1:25, take the coupling agent with unsaturated double-bond and nonionic powder respectively, after negative ion powder being placed in dryer oven dry, add coupling agent and dehydrated alcohol, mix and blend 5h at 105 DEG C, after naturally cooling, obtained modified negative-ion powder, for subsequent use;
The preparation of step 3, dewatering filling: according to the weight ratio of 1:10, take urea-formaldehyde resin and nano modifier, after stirring, add the mineral filler that weight is urea-formaldehyde resin and nano modifier gross weight 1.5 times, mineral filler by weight ratio be the carbon black of 5:3:10, carbon fiber and modification expansible black lead form; Stir to obtain mixture, then the water-resisting agent that weight is mixture total weight 0.15% is added, and add the deionized water being equivalent to mixture 2 times of weight, after stirring, be placed in grinding machine and carry out ultra-fine ball milling, filter after ball milling, dry ultrafine powder, ultrafine powder is placed in reactor, and add ethanol, glycerol and tensio-active agent, under 1.3 normal atmosphere, reactor is heated to 85 DEG C, after reaction 2.5h, stop heating, material is taken out after leaving standstill 1h, after utilizing deionized water wash, dry, obtained dewatering filling, for subsequent use; Wherein, the preparation method of modification expansible black lead is, according to the weight ratio of 100:2:150, takes expansible black lead, titanate coupling agent and dehydrated alcohol successively, whole titanate coupling agents and dehydrated alcohol are placed in beaker, water-bath 60 DEG C, after stirring 0.5h, makes titanate coupling agent/dehydrated alcohol mixing solutions, again expansible black lead is placed in this mixing solutions, after stirring 2h, the baking oven being placed in 85 DEG C is dried, and obtained particle diameter is the modification expansible black lead of 200 microns.
Step 4, the preparation of seat: (1), according to the parts by weight of described raw material, take polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, compound antioxidant, step one obtained modified polypropene, the modified negative-ion powder that step 2 obtains and the dewatering filling that step 3 obtains, by polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, after compound antioxidant and modified polypropene mix, be placed in the mixing machine that rotating speed is 1000r/min, 5min is mixed at 200 DEG C of temperature, mixing built-in temperature is down to 90 DEG C, add modified negative-ion powder and dewatering filling, mixing 10min, obtained mixture, for subsequent use,
(2), by the mixture of preparation be placed in forcing machine granulation, wherein, in extruder barrel, temperature is: 165 DEG C, a district, 170 DEG C, 2nd district, 180 DEG C, three DEG CHe tetra-district of district 175, and the temperature of mouth mould is 185 DEG C, obtained pellet, for subsequent use;
(3), the pellet of preparation is added in injection moulding machine, form melt, wherein, in injection moulding machine machine barrel, temperature is: 170 DEG C, a district, 190 DEG C, two DEG CHe tri-district of district 180, gets default mould, by glaze on the inner-wall spraying of mold cavity, then make melt temperature in injection moulding machine be the nozzle injection of 185 DEG C in the die cavity of mould, die temperature is heated to be 75 DEG C, the melt in die cavity is pressurize 30s under the pressure of 35MPa, the demoulding after cooling, obtained seat; Wherein, glaze is made up of the raw material of following weight part: 40 parts, raw glaze material, suspension agent 2 parts, water glass 0.6 part, Sodium Tetraborate 9 parts and tourmaline powder 1.3 parts.
Embodiment 3
The preparation method of a kind of flame-proof weather-resisting type stadium seat, raw material for the preparation of seat is placed in forcing machine granulation, pellet granulation obtained adds in injection moulding machine and forms melt, melt is expelled in seat mould through injection moulding machine again, the demoulding, obtained seat, described raw material is made up of polypropylene matrix 10 parts, modified polypropene 45 parts, 8 parts, modified negative-ion powder, dewatering filling 9 parts, nitrogen phosphorus fire retardant 5 parts, magnesium borate crystal whisker 5 parts and compound antioxidant 1.0 parts, and the preparation method of seat comprises the following steps:
The preparation of step one, modified polypropene: by ReO
3powder is placed in the mixing machine being preheated to 90 DEG C, and in the process of mix and blend, adding weight is ReO
3the silane coupling agent of powder weight 5%, reaction 30min, mixing built-in temperature is down to 70 DEG C, and adding weight is ReO
3the polypropylene that powder weight is 100 times, stirs 45min, obtained modified polypropene, for subsequent use;
The preparation of step 2, modified negative-ion powder: according to the weight ratio of 1:30, take the coupling agent with unsaturated double-bond and nonionic powder respectively, after negative ion powder being placed in dryer oven dry, add coupling agent and dehydrated alcohol, mix and blend 0.5h at 120 DEG C, after naturally cooling, obtained modified negative-ion powder, for subsequent use;
Step 3, the preparation of dewatering filling: according to the weight ratio of 1:30, take urea-formaldehyde resin and nano modifier, after stirring, add the mineral filler that weight is urea-formaldehyde resin and nano modifier gross weight 1.5 times, mineral filler is the carbon black of 1:4:8 by weight ratio, carbon fiber and modification expansible black lead composition, stir to obtain mixture, then the water-resisting agent that weight is mixture total weight 0.3% is added, and add the deionized water being equivalent to mixture 3 times of weight, after stirring, be placed in grinding machine and carry out ultra-fine ball milling, filter after ball milling, dry ultrafine powder, ultrafine powder is placed in reactor, and add ethanol, glycerol and tensio-active agent, under 1.5 normal atmosphere, reactor is heated to 80 DEG C, after reaction 2h, stop heating, material is taken out after leaving standstill 1h, after utilizing deionized water wash, dry, obtained dewatering filling, for subsequent use, wherein, the preparation method of modification expansible black lead is, according to the weight ratio of 100:2:150, takes expansible black lead, titanate coupling agent and dehydrated alcohol successively, whole titanate coupling agents and dehydrated alcohol are placed in beaker, water-bath 60 DEG C, after stirring 0.5h, makes titanate coupling agent/dehydrated alcohol mixing solutions, again expansible black lead is placed in this mixing solutions, after stirring 2h, the baking oven being placed in 85 DEG C is dried, and obtained particle diameter is the modification expansible black lead of 180 microns.
Step 4, the preparation of seat: (1), according to the parts by weight of described raw material, take polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, compound antioxidant, step one obtained modified polypropene, the modified negative-ion powder that step 2 obtains and the dewatering filling that step 3 obtains, by polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, after compound antioxidant and modified polypropene mix, be placed in the mixing machine that rotating speed is 1000r/min, 5 ~ 8min is mixed at 100 DEG C of temperature, mixing built-in temperature is down to 75 DEG C, add modified negative-ion powder and dewatering filling, mixing 10min, obtained mixture, for subsequent use,
(2), by the mixture of preparation be placed in forcing machine granulation, wherein, in extruder barrel, temperature is: 165 DEG C, a district, 170 DEG C, 2nd district, 180 DEG C, three DEG CHe tetra-district of district 175, and the temperature of mouth mould is 185 DEG C, obtained pellet, for subsequent use;
(3), the pellet of preparation is added in injection moulding machine, form melt, wherein, in injection moulding machine machine barrel, temperature is: 170 DEG C, a district, two 190 DEG C, DEG CHe tri-district of districts 180, get default mould, glaze by the inner-wall spraying of mold cavity is made up of the raw material of following weight part: 30 parts, raw glaze material, suspension agent 7 parts, water glass 0.8 part, Sodium Tetraborate 10 parts and tourmaline powder 1.5 parts, then melt temperature in injection moulding machine is made to be that the nozzle injection of 185 DEG C is in the die cavity of mould, die temperature is heated to be 60 DEG C, melt in die cavity is pressurize 30s under the pressure of 35MPa, the demoulding after cooling, obtained seat.
According to above example, stadium its performance of seat matrix material recording gained in above-mentioned case study on implementation is as follows:
One, combustionproperty
Two, mechanical property
From upper table comparative analysis, each embodiment all has fire-retardant, mechanics and antistatic property preferably, and the poly styrene composite material developed according to above-mentioned formula and technique compared with prior art, has more excellent high-strength anti-flaming weather-proof.The present invention is compared with prior art: the cooperative flame retardant effect utilizing nitrogen phosphorus fire retardant and expansible black lead, reduces fire retardant loading level, improves flame retarding efficiency; Utilize carbon black and carbon fiber and magnesium borate crystal whisker, under the prerequisite ensureing material mechanical performance, also improve the intensity of burning at the skeleton of layer of charcoal, indirectly improve the flame retardant properties of material, be that the matrix material obtained has antistatic property simultaneously; The polypropylene composite material obtained by above component is suitable for the technical fields such as all kinds of automobile-used, mining and decoration of injection moulding.
In the present invention, carbon black both as fire retarding synergist, can improving Flame Retardancy energy, coordinating with making again material have antistatic property with expansible black lead and carbon fiber, reduced seat electrostatic to the impact of human body, improved comfort level; In the present invention, compound antioxidant adopts aromatic amine, hindered phenol is main anti-anti-oxidant composition and phosphorous acid ester, monothioester etc. are that auxiliary anti-oxidant composition is composited, and has well anti-oxidant and UV resistant color shifting properties, and steady quality; Price advantage; Antioxygen efficiency is high; Tint permanence is good; Environmental protection; Do not separate out; Volatilize little.
In the present invention, adding of multiple inorganic component, while improve flame retardant effect, also ensure that the mechanical property of material, and there is antistatic property characteristic, improve seat comfort degree; Without the need to using expanding material in moulding process, product is easily processed; Preparation technology is easy, adopt material cheap, it is comparatively obvious that comprehensive cost compares to traditional polypropylene composite material advantage.
Claims (5)
1. the preparation method of a flame-proof weather-resisting type stadium seat, raw material for the preparation of seat is placed in forcing machine granulation, pellet granulation obtained adds in injection moulding machine and forms melt, melt is expelled in seat mould through injection moulding machine again, the demoulding, obtained seat, described raw material is by polypropylene matrix 5-10 part, modified polypropene 40-50 part, modified negative-ion powder 5-10 part, dewatering filling 9-28 part, nitrogen phosphorus fire retardant 5-10 part, magnesium borate crystal whisker 5-10 part and compound antioxidant 0.5-1.5 part composition, it is characterized in that, the preparation method of seat comprises the following steps:
The preparation of step one, modified polypropene
By ReO
3powder is placed in the mixing machine being preheated to 80 ~ 100 DEG C, and in the process of mix and blend, adding weight is ReO
3the silane coupling agent of powder weight 5 ~ 10%, reaction 30min, mixing built-in temperature is down to 60 ~ 70 DEG C, and adding weight is ReO
3the polypropylene that powder weight is 100 times, stirs 30 ~ 50min, obtained modified polypropene, for subsequent use;
The preparation of step 2, modified negative-ion powder
According to the weight ratio of 1:20 ~ 30, take the coupling agent with unsaturated double-bond and nonionic powder respectively, after negative ion powder being placed in dryer oven dry, add coupling agent and dehydrated alcohol, mix and blend 0.5 ~ 5h at 100 ~ 120 DEG C, after naturally cooling, obtained modified negative-ion powder, for subsequent use;
The preparation of step 3, dewatering filling
According to the weight ratio of 1:10 ~ 30, take urea-formaldehyde resin and nano modifier, after stirring, add the mineral filler that weight is urea-formaldehyde resin and nano modifier gross weight 1.5 times, stir to obtain mixture, then the water-resisting agent that weight is mixture total weight 0.1 ~ 0.3% is added, and add the deionized water being equivalent to mixture 1.5 ~ 3 times of weight, after stirring, be placed in grinding machine and carry out ultra-fine ball milling, filter after ball milling, dry ultrafine powder, ultrafine powder is placed in reactor, and add ethanol, glycerol and tensio-active agent, under 1.2 ~ 1.5 normal atmosphere, reactor is heated to 80 ~ 90 DEG C, after reaction 2 ~ 3h, stop heating, material is taken out after leaving standstill 1h, after utilizing deionized water wash, dry, obtained dewatering filling, for subsequent use,
The preparation of step 4, seat
(1), according to the parts by weight of described raw material, take polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, compound antioxidant, step one obtained modified polypropene, the modified negative-ion powder that step 2 obtains and the dewatering filling that step 3 obtains, by polypropylene matrix, nitrogen phosphorus fire retardant, magnesium borate crystal whisker, after compound antioxidant and modified polypropene mix, be placed in the mixing machine that rotating speed is 1000r/min, 5 ~ 8min is mixed at 100-200 DEG C of temperature, mixing built-in temperature is down to 75 ~ 90 DEG C, add modified negative-ion powder and dewatering filling, mixing 8 ~ 15min, obtained mixture, for subsequent use,
(2), by the mixture of preparation be placed in forcing machine granulation, wherein, in extruder barrel, temperature is: 165 DEG C, a district, 170 DEG C, 2nd district, 180 DEG C, three DEG CHe tetra-district of district 175, and the temperature of mouth mould is 185 DEG C, obtained pellet, for subsequent use;
(3), the pellet of preparation is added in injection moulding machine, form melt, wherein, in injection moulding machine machine barrel, temperature is: 170 DEG C, a district, 190 DEG C, two DEG CHe tri-district of district 180, gets default mould, by glaze on the inner-wall spraying of mold cavity, then make melt temperature in injection moulding machine be the nozzle injection of 185 DEG C in the die cavity of mould, die temperature is heated to be 60 ~ 80 DEG C, the melt in die cavity is pressurize 30s under the pressure of 35MPa, the demoulding after cooling, obtained seat.
2. the preparation method of a kind of flame-proof weather-resisting type stadium according to claim 1 seat, is characterized in that: the glaze of wall of die cavity spraying is made up of the raw material of following weight part: raw glaze material 30-50 part, suspension agent 2-10 part, water glass 0.5-0.8 part, Sodium Tetraborate 8-10 part and tourmaline powder 1-1.5 part.
3. the preparation method of a kind of flame-proof weather-resisting type stadium according to claim 1 seat, it is characterized in that: described mineral filler is the carbon black of 1-5:1-5:5-10 by weight ratio, carbon fiber and modification expansible black lead composition, wherein, the preparation method of modification expansible black lead is, according to the weight ratio of 100:2:150, take expansible black lead successively, titanate coupling agent and dehydrated alcohol, whole titanate coupling agents and dehydrated alcohol are placed in beaker, water-bath 60 DEG C, after stirring 0.5h, make titanate coupling agent/dehydrated alcohol mixing solutions, again expansible black lead is placed in this mixing solutions, after stirring 2h, the baking oven being placed in 85 DEG C is dried, obtained modification expansible black lead.
4. the preparation method of a kind of flame-proof weather-resisting type stadium according to claim 3 seat, it is characterized in that: described carbon fiber is chopped carbon fiber, length is 1-5 millimeter, filament diameter 6.9 microns, intensity 4900MPa, resistivity 1.5 × 10
-3, unit elongation is 2.1%.
5. the preparation method of a kind of flame-proof weather-resisting type stadium according to claim 3 seat, is characterized in that: the particle diameter of obtained modification expansible black lead is 180-270 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510635265.3A CN105131429A (en) | 2015-09-30 | 2015-09-30 | Method for preparing inflaming-retarding weather-proof stadium seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510635265.3A CN105131429A (en) | 2015-09-30 | 2015-09-30 | Method for preparing inflaming-retarding weather-proof stadium seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105131429A true CN105131429A (en) | 2015-12-09 |
Family
ID=54717031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510635265.3A Pending CN105131429A (en) | 2015-09-30 | 2015-09-30 | Method for preparing inflaming-retarding weather-proof stadium seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105131429A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504139A (en) * | 2018-12-09 | 2019-03-22 | 马鞍山市雷狮轨道交通装备有限公司 | A kind of grinding of grinding device for tread cleaner coating and coating |
| CN109575430A (en) * | 2017-09-29 | 2019-04-05 | 合肥杰事杰新材料股份有限公司 | A kind of halogen-free anti-flaming polypropylene material and preparation method thereof |
| CN114196054A (en) * | 2021-12-29 | 2022-03-18 | 清远爱奇制造有限公司 | Polyolefin seat and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995122A (en) * | 2005-12-31 | 2007-07-11 | 攀钢集团攀枝花钢铁研究院 | Nano modified plastic agglomerate dedicated for open-air utensil |
| CN101766406A (en) * | 2010-03-02 | 2010-07-07 | 丰岳 | Gymnasium chair seat and back and fabrication technology thereof |
| CN102775676A (en) * | 2011-05-11 | 2012-11-14 | 上海安凸塑料添加剂有限公司 | Material used in injection molding of stadium flame-retarding plastic seats with excellent weatherability |
-
2015
- 2015-09-30 CN CN201510635265.3A patent/CN105131429A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995122A (en) * | 2005-12-31 | 2007-07-11 | 攀钢集团攀枝花钢铁研究院 | Nano modified plastic agglomerate dedicated for open-air utensil |
| CN101766406A (en) * | 2010-03-02 | 2010-07-07 | 丰岳 | Gymnasium chair seat and back and fabrication technology thereof |
| CN102775676A (en) * | 2011-05-11 | 2012-11-14 | 上海安凸塑料添加剂有限公司 | Material used in injection molding of stadium flame-retarding plastic seats with excellent weatherability |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575430A (en) * | 2017-09-29 | 2019-04-05 | 合肥杰事杰新材料股份有限公司 | A kind of halogen-free anti-flaming polypropylene material and preparation method thereof |
| CN109504139A (en) * | 2018-12-09 | 2019-03-22 | 马鞍山市雷狮轨道交通装备有限公司 | A kind of grinding of grinding device for tread cleaner coating and coating |
| CN114196054A (en) * | 2021-12-29 | 2022-03-18 | 清远爱奇制造有限公司 | Polyolefin seat and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105385028A (en) | High-flame-retardant polypropylene material and preparation method thereof | |
| CN102093675B (en) | High comparative tracking index value flame-retardant and reinforced polybutylene terephthalate material and preparation method and application thereof | |
| CN105131429A (en) | Method for preparing inflaming-retarding weather-proof stadium seat | |
| CN111171542B (en) | High CTI flame-retardant polycarbonate alloy material and preparation method and application thereof | |
| CN104194145B (en) | A kind of nanometer modified environment-friendly halogen-free polypropylene flame redardant and preparation method thereof | |
| CN102134357B (en) | Wood (bamboo) powder/ABS/PVC alloy and preparation method thereof | |
| CN103524919B (en) | A kind of battery cell case polychloroethylene composition and preparation method thereof | |
| CN110643138B (en) | Modified flame-retardant ABS material and preparation method thereof | |
| CN103342845A (en) | Novel fire-proof material and preparing method thereof, light fire-proof aluminium-plastic panel | |
| CN104371265A (en) | Reclaimed ABS (acrylonitrile butadiene styrene) environment-friendly modified material and preparation method thereof | |
| CN110028766A (en) | It is a kind of fire-retardant not drip modified PBT material and preparation method thereof without fine | |
| CN104327462A (en) | Phosphorus-based synergistically flame-retardant PET/PBS alloy material and preparation method thereof | |
| CN110615928B (en) | Modified coal gangue powder filled polyolefin flame-retardant composite material and preparation process thereof | |
| CN102746558B (en) | Insulating spider resistant to electrical carbon mark | |
| CN104231588A (en) | Photovoltaic wiring box body material and preparing method thereof | |
| CN104804389A (en) | Black halogen-free flame-retardant PC (polycarbonate) film and preparation method thereof | |
| CN102030954B (en) | PVC-ABS-EVA alloy material and preparation method thereof | |
| CN104693691A (en) | Halogen-free flame retardant vinyl ester resin compound and preparation method thereof | |
| CN105419218A (en) | Halogen-free flame-retardant reinforced type ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof | |
| CN110483910A (en) | A kind of PVC wood plastic foamed board and preparation method thereof | |
| CN112898764B (en) | Conductive POK/CNT (Poly-Acrylonitrile-Ketone-PolyKetone)/CNT (carbon nano tube) composition as well as preparation method and equipment thereof | |
| CN111662558B (en) | High-strength flame-retardant heat-insulation composite door and window | |
| CN108912524A (en) | A kind of piperazine modified lignin resin Wrapped up Phosphorus Fire Retardant and its application in PS resin | |
| CN110791093B (en) | Electromagnetic shielding and flame-retardant polyimide material for nonmetal electric energy metering box and preparation method thereof | |
| CN100400578C (en) | Preparation method for dialysis-resistant composite halogen-free flame-proof agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |