CN102786740B - A-level fire-protection energy-saving rubber-plastic compound building insulation material and preparation method thereof - Google Patents
A-level fire-protection energy-saving rubber-plastic compound building insulation material and preparation method thereof Download PDFInfo
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- CN102786740B CN102786740B CN201210264779.9A CN201210264779A CN102786740B CN 102786740 B CN102786740 B CN 102786740B CN 201210264779 A CN201210264779 A CN 201210264779A CN 102786740 B CN102786740 B CN 102786740B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
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Abstract
A preparation method for A-level fire-protection energy-saving rubber-plastic thermal-insulating compound foam comprises the following steps: adding polypropylene powder resin, methyl vinyl base silicone rubber, ceramic powder, a fire retardant, glass fiber powder, an antioxidant, white carbon black and polyethylene wax in a high-speed mixer for kneading at a normal temperature, discharging the kneaded materials to an internal mixer so as to obtain material groups through internal mixing, discharging the material groups to a single-screw extrusion pelletizer so as to obtain a basic material A through melting, plasticizing and granulation; adding low-density polyethylene resin in a high mixing machine, then adding an AC blowing agent, talc powder, a lubricating agent and zinc stearate for kneading at the normal temperature, and then discharging the kneaded materials into a single-screw extruder so as to obtain a foaming masterbatch B through granulation; adding the basic material A, the foaming masterbatch B and the polyethylene wax into the high-speed mixer for kneading at the normal temperature, and then discharging the kneaded materials into the single-screw extruder so as to obtain sheets through extruding; carrying out irradiation crosslinking and foaming; grooving on the surface of the prepared foam; and embedding fire-protection filler in the grooves of the foam, immersing in a fire retardant solution and baking so as to obtain the compound building foam.
Description
Technical field
The present invention relates to a kind of preparation method of A level fireproof energy-saving heat insulation rubber and plastic complex building foam.By adopting special formula system, production technique makes product combustionproperty reach A level, possesses higher heat preservation and insulation, and thermal conductivity is less than 0.02
.What the present invention prepared is a kind of organic polymer composite foam material, is mainly used in external wall exterior insulation work.
Background technology
Residential Energy Consumption has accounted for 32% of national energy consumption at present.The building that China is nearly 40,000,000,000 square metres is highly energy-consuming building substantially, and unit surface heating energy consumption is equivalent to 2-3 times of the close developed country of weather condition.The annual new building of China is nearly 2,000,000,000 square metres at present, surpasses the summation of all developed countries construction amount, but more than 95% is still high energy consumption building.Prediction is at the year two thousand twenty that arrives for 10 years in future, and China also will build up approximately 30,000,000,000 square metres of buildings.If or else take conservation measures, do not carry out energy-saving building materials, the year two thousand twenty building energy consumption will reach 1,100,000,000 tons of standard coals, be equivalent to build at present three times of the energy that consumes.Know therefrom, building energy conservation is imperative, and country has promulgated relevant laws and regulations and policy at present.
Building thermal insulation material mainly contains mineral-type and organic at present; inorganic heat insulation material is a kind of heat insulating energy saving material for external rendering in buildings; mainly there is free glass bead; pearlstone; closed perlite, rock wool, foamed concrete etc.; there is antifreeze, the ageing-resistant and cheap features such as price of fire prevention, but insulation poor thermal efficiency.Organic insulation material is mainly expanded plastic, main products is polystyrene foamed plastics, phenolic aldehyde foam and urethane foam, main drawback is inflammable, easy drip melt, combustion fumes is large, toxicity is large, ignition energy produces prussic acid gas, once presence of fire is very big to human body toxic, and the shortcoming such as heat insulation effect is bad.Through experimental study, prove, the fire resistance of organic materials is difficult to reach the requirement of A level, and the fire resistance of inorganic heat insulation material has reached the requirement of A level, but due to the shortcoming self existing, can not be for Highrise buildings.
In the recent period, frequently there is fire disaster accident in domestic external wall insulation project, caused the leader's of State Council great attention, the Ministry of Public Security has promptly issued < < about the notice > > of further clear and definite covil construction heat insulating material for external fire supervision management relevant requirements (public affairs disappear [2011] No. 65 file) on March 14th, 2011, require to carry out as strict as possible [2009] No. 46 files, it is the material of A level that covil construction heat insulating material for external adopts combustionproperty, and included in construction work fire validate, check and accept and the extent of tests of putting on record.So the combustionproperty of " warming plate " of covil construction exterior wall is necessary for A level, the warming plate that does not reach A level is taken off split.Product of the present invention is researched and developed under this background.
Summary of the invention
The object of the invention is to overcome that inorganic heat insulation material insulating efficiency is low, own wt is large, the shortcomings such as fire-retardant not up to standard, the not environmental protection of organic insulation material, burning fuming amount be large, discharge toxic and harmful, heat insulation effect is low, provide a kind of heat insulation and preservation effect good, reach that the fire-retardant requirement of A level, environment-protecting asepsis are tasteless, cross-linked type macromolecule foam composite material and preparation method thereof.
For realizing above object, technical solution of the present invention is: the prevent fires preparation method of energy-conservation rubber and plastic composite building thermal insulation material of a kind of A level, and this preparation method comprises the following steps successively:
The first step: base material A mixing granulation: the polypropylene powder resin of first getting 50-70 weight part, the methyl vinyl silicone rubber of 30-50 weight part, the ceramics powder of 20-30 weight part, the fire retardant magnesium hydroxide of 50-80 weight part, the flame retardant microcapsule ammonium polyphosphate of 10-15 weight part, the fire retardant zinc borate of 10-15 weight part, the glass fiber powder of 10-15 weight part, the antioxidant 1010 # of 0.2-0.5 weight part, the white carbon black of 10-15 weight part, 2-3 weight account polyethylene wax joins in high-speed mixer, under normal temperature, mediate 3 – 5 minutes, then enter banburying in Banbury mixer and obtain the material group after banburying, banburying temperature is 100 ± 5 ℃, the banburying time is 6 – 8 minutes, again the material group after banburying is entered in single screw extruder pelletizer by forced feed, fusion plastification granulation makes base material A,
Second step: the preparation of foaming concentrate B: the ldpe resin of first getting 50 weight parts adds in high mixer, the AC whipping agent Cellmic C 121, the talcum powder of 1 weight part, the Zinic stearas of the lubricant polyethylene wax of 2 weight parts, 1 weight part that add again 20 weight parts, under normal temperature, mediate 3 minutes, then enter single screw extrusion machine granulation to obtain foaming concentrate B;
The 3rd step: the preparation of sheet material C: get 80 – 100 weight part base material A, the 8 foaming concentrate B of – 10 weight parts, the polyethylene wax of 2-3 weight part, join in high-speed mixer, under normal temperature, mediate 3 minutes, then enter single screw extrusion machine, under the technological temperature of regulation, (technological temperature see below) is extruded into sheet material;
The 4th step: the cross-linking radiation of product: the sheet material extruding is carried out to cross-linking radiation by rumbatron; Irradiation dose: 15-18 megarad.
The 5th step: the foaming of product: the sheet material after crosslinked is put into foaming furnace and foam, the temperature of foaming is 260 ± 10 ℃.
The 6th step: slot in the foam surface that the 5th step is prepared, equipment is plastic plate slotting machine.
The 7th step: the embedding of high-efficiency fireproof filler: high-efficiency fireproof filler is embedded in the groove of foam.
The 8th step: the foam sheet material that embeds fire-proof packing is put into fire-resistant fluid and flood, dipping time 5-8 minute, then enters drying room baking, drying room temperature 80-100 ℃, baking time 5-8 minute.
In the described the first step, the working temperature of single screw extruder pelletizer is: 125 ℃, a district, two 135 ℃, districts, three 145 ℃, districts, four 155 ℃, districts, five 150 ℃, districts;
In described second step, the working temperature of single screw extruder pelletizer is: 90 ℃, a district, two 95 ℃, districts, three 100 ℃, districts, four 105 ℃, districts;
In described the 3rd step, the working temperature of single screw extrusion machine is: 80 ℃, a district, two 85 ℃, districts, three 95 ℃, districts, four 90 ℃, districts.
By aforesaid method, make A level fireproof energy-saving heat insulation rubber and plastic complex building foam.
in the present invention, the effect of main raw material(s) is as follows:
The present invention by a large amount of formulas have a competition, starting material simultaneous test and practical experience, drawn current production formula and production technique, selected starting material are all best, to the performance contribution of product, are also best.
Polypropylene powder: extrusion resin, model, T30S, F401;
Methyl vinyl silicone rubber: base resin, model 101
Ceramics powder: heat shielding additives;
Magnesium hydroxide: fire retardant;
Micro encapsulation ammonium polyphosphate: fire retardant;
Zinc borate: fire retardant;
Ldpe resin: Qilu Petrochemical 7042 or Central Plains petrochemical industry 7050;
Whipping agent: select AC whipping agent, because of its foaming effect best, and environment-protecting asepsis.
Glass fiber powder: heat-resisting toughener, the glass fibre of pulverizing;
Polyethylene wax: lubricant; Model C H-5, molecular weight 3000.
White carbon black: strengthening agent;
Talcum powder: frothing aid;
High-efficiency fireproof filler: white powder, main component, magnesium hydroxide, alumag (Shenzhen prosperous fire retardant material company limited product);
Fire-resistant fluid: colourless transparent liquid, main component, inorganic phosphate compound (Changzhou Chemical Research Industry Co., Ltd.'s product);
Oxidation inhibitor: model 1010, prevents material oxidation in use.
The product that the present invention produces not only has good flame retardant properties, and burning behavior class reaches A level, and thermal conductivity is less than 0.02
, well below other lagging material.
Embodiment
Embodiment 1: the prevent fires preparation method of energy-conservation rubber and plastic composite building thermal insulation material of a kind of A level, and this preparation method comprises the following steps successively:
The first step: base material A mixing granulation: the polypropylene powder resin (model: the T30S) methyl vinyl silicone rubber of 30 weight parts of first getting 50 weight parts, the ceramics powder of 20 weight parts, the fire retardant magnesium hydroxide of 50 weight parts, the flame retardant microcapsule ammonium polyphosphate of 10 weight parts, the fire retardant zinc borate of 10 weight parts, the glass fiber powder of 10 weight parts, the antioxidant 1010 # of 0.2 weight part, the white carbon black of 10 weight parts, 2 weight account polyethylene waxes join in high-speed mixer, under normal temperature, mediate 3 – 5 minutes, then enter banburying in Banbury mixer and obtain the material group after banburying, banburying temperature is 100 ± 5 ℃, the banburying time is 6 – 8 minutes, again the material group after banburying is entered in single screw extruder pelletizer by forced feed, fusion plastification granulation makes base material A,
Second step: the preparation of foaming concentrate B: the ldpe resin (Qilu Petrochemical 7042) of first getting 50 weight parts adds in high mixer, the AC whipping agent Cellmic C 121, the talcum powder of 1 weight part, the Zinic stearas of the lubricant polyethylene wax of 2 weight parts, 1 weight part that add again 20 weight parts, under normal temperature, mediate 3 minutes, then enter single screw extrusion machine granulation to obtain foaming concentrate B;
The 3rd step: the preparation of sheet material C: get the foaming concentrate B of 80 weight part base material A, 8 weight parts, the polyethylene wax of 2 weight parts, join in high-speed mixer, under normal temperature, mediate 3 minutes, then enter single screw extrusion machine, under the technological temperature of regulation, (technological temperature see below) is extruded into sheet material;
The 4th step: the cross-linking radiation of product: the sheet material extruding is carried out to cross-linking radiation by rumbatron; Irradiation dose: 15-18 megarad.
The 5th step: the foaming of product: the sheet material after crosslinked is put into foaming furnace and foam, the temperature of foaming is 260 ± 10 ℃.
The 6th step: slot in the foam surface that the 5th step is prepared, equipment is plastic plate slotting machine.
The 7th step: the embedding of high-efficiency fireproof filler: high-efficiency fireproof filler is embedded in the groove of foam.
The 8th step: the foam sheet material that embeds fire-proof packing is put into fire-resistant fluid and flood, dipping time 5-8 minute, then enters baking oven baking, oven temperature 80-100 ℃, baking time 5-8 minute.
In the described the first step, the working temperature of single screw extruder pelletizer is: 125 ℃, a district, two 135 ℃, districts, three 145 ℃, districts, four 155 ℃, districts, five 150 ℃, districts;
In described second step, the working temperature of single screw extruder pelletizer is: 90 ℃, a district, two 95 ℃, districts, three 100 ℃, districts, four 105 ℃, districts;
In described the 3rd step, the working temperature of single screw extrusion machine is: 80 ℃, a district, two 85 ℃, districts, three 95 ℃, districts, four 90 ℃, districts.
By aforesaid method, make A level fireproof energy-saving heat insulation rubber and plastic complex building foam.Burning behavior class reaches A level, thermal conductivity 0.019
, density 48Kg/cm
3, compressive strength 0.15MPa.
Embodiment 2:
With example 1, different is the first step: the polypropylene powder resin (model: F401) ceramics powder of the methyl vinyl silicone rubber of 50 weight parts, 30 weight parts is, the flame retardant microcapsule ammonium polyphosphate of the fire retardant magnesium hydroxide of 80 weight parts, 15 weight parts, the fire retardant zinc borate of 15 weight parts, the glass fiber powder of 15 weight parts, the antioxidant 1010 # of 0.5 weight part, the white carbon black of 15 weight parts, 3 weight account polyethylene waxes of getting 70 weight parts; Ldpe resin in second step is Central Plains petrochemical industry ldpe resin 7050; The 3rd step: the foaming concentrate B of 100 weight part base material A, 10 weight parts, the polyethylene wax of 3 weight parts.The fireproof energy-saving heat insulation rubber and plastic complex building foam making, burning behavior class reaches A level, thermal conductivity 0.015
, density 40Kg/cm
3, compressive strength 0.10MPa.
Embodiment 3:
With example 1, different is the 3rd step: the foaming concentrate B of 100 weight part base material A, 10 weight parts, the polyethylene wax of 3 weight parts.The fireproof energy-saving heat insulation rubber and plastic complex building foam making, burning behavior class reaches A level, thermal conductivity 0.015
, density 45Kg/cm
3, compressive strength 0.25MPa.
Embodiment 4:
With example 1, different is the first step: the polypropylene powder resin of 70 weight parts, the methyl vinyl silicone rubber of 50 weight parts, the ceramics powder of 30 weight parts, the flame retardant microcapsule ammonium polyphosphate of the fire retardant magnesium hydroxide of 80 weight parts, 15 weight parts, the fire retardant zinc borate of 15 weight parts, the glass fiber powder of 15 weight parts, the antioxidant 1010 # of 0.5 weight part, the white carbon black of 15 weight parts, 3 weight account polyethylene waxes; The 3rd step: the foaming concentrate B of 80 weight part base material A, 8 weight parts, the polyethylene wax of 2 weight parts.The fireproof energy-saving heat insulation rubber and plastic complex building foam making, burning behavior class reaches A level, thermal conductivity 0.016
, density 56Kg/cm
3, compressive strength 0.20MPa.
Claims (1)
- The prevent fires preparation method of energy-conservation rubber and plastic composite building thermal insulation material of 1.A level, this preparation method comprises the following steps successively:The first step: base material A mixing granulation: the polypropylene powder resin of first getting 50-70 weight part, the methyl vinyl silicone rubber of 30-50 weight part, the ceramics powder of 20-30 weight part, the fire retardant magnesium hydroxide of 50-80 weight part, the flame retardant microcapsule ammonium polyphosphate of 10-15 weight part, the fire retardant zinc borate of 10-15 weight part, the glass fiber powder of 10-15 weight part, the antioxidant 1010 # of 0.2-0.5 weight part, the white carbon black of 10-15 weight part and 2-3 weight account polyethylene wax join in high-speed mixer, under normal temperature, mediate 3 – 5 minutes, then enter banburying in Banbury mixer and obtain the material group after banburying, banburying temperature is 100 ± 5 ℃, the banburying time is 6 – 8 minutes, again the material group after banburying is entered in single screw extruder pelletizer by forced feed, fusion plastification granulation makes base material A,Second step: the preparation of foaming concentrate B: the ldpe resin of first getting 50 weight parts adds in high mixer, the AC whipping agent Cellmic C 121, the talcum powder of 1 weight part, the Zinic stearas of the lubricant polyethylene wax of 2 weight parts, 1 weight part that add again 20 weight parts, under normal temperature, mediate 3 minutes, then enter single screw extrusion machine granulation to obtain foaming concentrate B;The 3rd step: the preparation of sheet material C: get 80 – 100 weight part base material A, the 8 foaming concentrate B of – 10 weight parts, the polyethylene wax of 2-3 weight part joins in high-speed mixer, mediate under normal temperature 3 minutes, then enter single screw extrusion machine and be extruded into sheet material;The 4th step: the cross-linking radiation of product: the sheet material extruding is carried out to cross-linking radiation by rumbatron; Irradiation dose: 15-18 megarad;The 5th step: the foaming of product: the sheet material after crosslinked is put into foaming furnace and foam, the temperature of foaming is 260 ± 10 ℃;The 6th step: slot in the foam surface that the 5th step is prepared;The 7th step: the embedding of fire-proof packing: fire-proof packing is embedded in the groove of foam;The 8th step: the foam sheet material that embeds fire-proof packing is put into fire-resistant fluid and flood, dipping time 5-8 minute, then enters drying room baking, drying room temperature 80-100 ℃, baking time 5-8 minute;In the described the first step, the working temperature of single screw extruder pelletizer is: 125 ℃, a district, two 135 ℃, districts, three 145 ℃, districts, four 155 ℃, districts, five 150 ℃, districts;In described second step, the working temperature of single screw extruder pelletizer is: 90 ℃, a district, two 95 ℃, districts, three 100 ℃, districts, four 105 ℃, districts;In described the 3rd step, the working temperature of single screw extrusion machine is: 80 ℃, a district, two 85 ℃, districts, three 95 ℃, districts, four 90 ℃, districts.2. the A level being made by method described in the claim 1 energy-conservation rubber and plastic composite building thermal insulation material of preventing fires, the prevent fires burning behavior class of energy-conservation rubber and plastic composite building thermal insulation material of described A level reaches A level, and thermal conductivity is less than 0.02 .
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| CN105885181A (en) * | 2016-06-26 | 2016-08-24 | 山东绿森塑木复合材料有限公司 | Preparation method of foaming masterbatch for polyolefin wood-plastic composite |
| CN107698861B (en) * | 2016-11-15 | 2019-11-05 | 衡水高朋塑料制品有限公司 | The preparation method of electron irradiation crosslinking foaming polypropylene sheet |
| CN108342018A (en) * | 2018-02-24 | 2018-07-31 | 河南长兴实业有限公司 | Fire prevention grade Air Filter |
| CN114479234A (en) * | 2020-11-12 | 2022-05-13 | 上海映甫新材料科技有限公司 | Flame-retardant foam heat-insulation material and preparation method thereof |
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| CN102010538B (en) * | 2010-11-08 | 2012-07-04 | 湖北乐源新材科技有限公司 | Method for preparing natural cross-linking halogen-free flame-retardant polyolefin thermal conductive foam |
| CN102199322B (en) * | 2011-04-15 | 2013-04-24 | 湖北祥源新材科技有限公司 | Irradiation cross-linked heat resistant flame-retardant rubber-plastic compound conductive foam and manufacturing method thereof |
| CN102329447B (en) * | 2011-10-19 | 2012-10-17 | 湖北祥源新材科技有限公司 | High-efficiency heat-insulation environmentally-friendly flame-retardant modified polyolefin indoor heat-insulation foam and preparation method thereof |
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