CN103849149A - Polymer composite foam material and preparation method thereof - Google Patents
Polymer composite foam material and preparation method thereof Download PDFInfo
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- CN103849149A CN103849149A CN201410078920.5A CN201410078920A CN103849149A CN 103849149 A CN103849149 A CN 103849149A CN 201410078920 A CN201410078920 A CN 201410078920A CN 103849149 A CN103849149 A CN 103849149A
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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
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/726—Measuring properties of mixture, e.g. temperature or density
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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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
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a preparation method of a polymer composite foam material. The method comprises the following steps: 1, banburying, namely mixing the raw materials at a certain mass ratio, then adding the mixture into an internal mixer, and performing internal mixing at a temperature of 90+/-5 DEG C for 6-8 hours; 2, discharging the mixture to a single screw extruder and extruding; 3, feeding a panel to a high-temperature foaming furnace and performing curing foaming; 4, cutting and tailoring the panel into sheets, so as to prepare the product. The prepared material disclosed by the invention has the characteristics of being good in heat insulation and heat preservation effects, light in weight, environment-friendly and non-toxic, convenient to install, and low in price, can achieve the A grade of flame retardant requirements, and can be applied to the fields of high-rise buildings, residential houses, ship engineering, cold storage, petrochemical engineering, chemical engineering, defense-related science and technology, cold insulation engineering of military industry and the like.
Description
Technical field
The present invention relates to a kind of high energy-saving heat preserving fire prevention high molecule composite foaming material and preparation method thereof of filling.By adopting special rubber and plastic processing units, fill a large amount of fire retardants and fireproofing agent to high molecular polymer, high molecular polymer is just bonded together fire retardant and fireproofing agent as framework material, reach fire protection requirement, make product possess higher heat preservation and insulation by high temperature foam process.
Background technology
At present, Highrise buildings, residential houses, Cold storage in the refrigerator, Marine engineering, field of petrochemical industry, require lagging material to possess good energy-saving heat preserving performance, fire resistance, especially Highrise buildings, require especially to reach the requirement of A level fp, and the quality of unit volume wants light.Along with fire numerous generation frequently, people are constantly struck awake alarm bell, and non-flame properties lagging material is applied in practice can be more and more extensive.Exploitation light weight fire prevention, energy-saving heat preserving, inexpensive heat insulating material are imperative.
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, has the features such as antifreeze, the ageing-resistant and cheap price of fire prevention, but insulation poor thermal efficiency, weight is large, can not be used for Highrise buildings.Organic insulation material is mainly expanded plastic, main products is polystyrene foamed plastics, phenolic aldehyde foam and urethane foam, and main drawback is inflammable, easy drip melt, and combustion fumes is large, toxicity is large, ignition energy produces prussic acid gas, once presence of fire is very big to human body toxic.The current organic insulation material huge market demand, mature production technology, quality is light, is easy to install, and main drawback is that fire line does not reach requirement.
summary of the invention
The object of the invention is to prepare that a kind of heat insulation and preservation effect is good, quality light, environment-protecting asepsis, easy for installation, cheap high molecule composite foaming material, can reach the fire-retardant requirement of A level, can be used as energy-saving and heat-insulating material and be applied to the fields such as Highrise buildings, residential houses, Marine engineering, Cold storage in the refrigerator, petrochemical complex, chemical engineering, science and techniques of defence, the cold insulation contractors of war industry.
In order to realize foregoing invention object, the invention provides a kind of high molecule composite foaming material preparation method, comprise the following steps:
The first step, banburying: by silicon rubber, Vitrified powder, ceramic microsphere, aluminium hydroxide, zinc borate, white carbon black, silicone additive, silicone oil, dicumyl peroxide, 10# paraffin oil, Zinic stearas, AC whipping agent, Diphenylsilanediol, ferric oxide joins and in Banbury mixer, carries out banburying, banburying temperature is 90 ± 5 ℃, the banburying time is 6 – 8 minutes, described silicon rubber, Vitrified powder, ceramic microsphere, aluminium hydroxide, zinc borate, white carbon black, silicone additive, silicone oil, dicumyl peroxide, 10# paraffin oil, Zinic stearas, AC whipping agent, Diphenylsilanediol, the mass ratio of ferric oxide is: 20-30:40-60:10-15:30-50:5-8:3-5:2-3:0.5-1:0.5-0.8:2-3:1-2:3-4:2-4:3-5,
Second step, squeeze sheet: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, the working temperature that single screw rod squeezes six workspace of sheet machine is respectively: 80 ± 5 ℃, a district, two 90 ± 5 ℃, districts, three 100 ± 5 ℃, districts, four 110 ± 5 ℃, districts, five 120 ± 5 ℃, districts, six 110 ± 5 ℃, districts;
The 3rd step, sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 210 ± 10 ℃, and the foamed time of sheet material in foaming furnace is 3 ± 1 minutes;
The 4th step, cutting: the sheet material after the 3rd step sulfur foam is cut to cutting in blocks, make finished product.
In technique scheme, starting material are: the particle of described ethylene-propylene diene copolymer, model are EP57P; The particle of acrylic resin, model are T30S, melting index 2.0; The particle of polyvinyl resin, model are 2426H, melting index 2.0; Whipping agent: main component is Cellmic C 121, pale yellow powder; The model of paraffin oil: No. 10 paraffin oils; Polyethylene wax is wax-like plate; TMPTMA is light yellow viscous liquid; Antioxidant 1010 # is that white is crystalline; Irgasfos 168 # is that white is crystalline; Zinic stearas is white powder; Talcum powder is pale powder, 3500 orders.
The present invention provides a kind of cross-linking radiation rubber and plastic compound vacuole cotton material of being prepared by aforesaid method simultaneously.
Know-why of the present invention is:
Adopt silicon rubber as substrate material, a large amount of filler and fire-retardants, fireproofing agent and relevant auxiliary agent, be prepared into high silicone rubber compound of filling, and make by high temperature vulcanized foaming.Once presence of fire, under the ablation of thermal-flame, organo-silicone rubber becomes that branch is ablated in a short period of time changes into hard ceramic-like material, forms adamantine housing, a kind of object of ceramic-like, this ceramic-like object is very hard, can block flame transmission, makes flame can not penetrate hard housing, and the time of ablation is longer, temperature is higher, and hard effect is more obvious, can be resistance to 1500～1800 ℃.And the time that common flame retarded polymeric material can only delay material and burnt till powder, if continue to be burnt, material just becomes powdery gradually and comes off, flame can also continue to spread.
The fire prevention mechanism of product of the present invention is completely different from common macromolecular material, the mechanism of action of common flame retarded polymeric material is in macromolecular material, to add organic and inorganic anti-flaming material, in the process of burning, the material of generation can make flame extinguish gradually, thereby reaches fire-retardant effect.But, in fire, flame is constantly burning, after being burnt, common flame retarded polymeric material all can become ashes, so do not have fire-fighting, fp effect, press and polyurethane thermal insulation board just as current common fire retardant polystyrene insulation, can not intercept flame transmission, play on the contrary combustion-supporting effect.Product of the present invention has overcome above-mentioned shortcoming, can block flame transmission completely, is the boundless novel high polymer composite fire-proof material of a kind of application prospect.
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, are also best to the performance contribution of product.
Silicon rubber: methyl vinyl silicone rubber, model 101;
Vitrified powder: white powder, main component silicon-dioxide;
Ceramic microsphere: white powder, hollow;
Aluminium hydroxide: white powder, fire retardant;
Zinc borate: white powder, fire retardant;
White carbon black: white powder, strengthening agent;
Silicone additive: white powder, ultra-high molecular weight polysiloxane;
Silicone oil: methyl vinyl silicon oil, colourless transparent liquid, lubricant;
Dicumyl peroxide (DCP): white crystals, linking agent;
10# paraffin oil: translucent oily liquids, lubricant, weighting agent;
Zinic stearas: white powder, activator;
Whipping agent: AC whipping agent, Cellmic C 121, pale yellow powder;
Diphenylsilanediol: white, needle-shaped crystals, constitution controller;
Ferric oxide: reddish-brown powder, heat-resisting additive.
High molecule composite foaming material prepared by the present invention, possess the fire protection requirement of A level and higher energy-saving heat preserving effect, cheap, quality is light, be easy to install, it is a kind of novel energy-saving and heat-insulating material, can be used for the aspects such as Highrise buildings, residential houses, Marine engineering, Cold storage in the refrigerator, petrochemical complex, science and techniques of defence, the cold insulation contractors of war industry, use as energy-saving and heat-insulating material, safety performance is high, with low cost.
Embodiment
High molecule composite foaming material preparation method, comprises the following steps:
The first step, banburying: by silicon rubber, Vitrified powder, ceramic microsphere, aluminium hydroxide, zinc borate, white carbon black, silicone additive, silicone oil, dicumyl peroxide, 10# paraffin oil, Zinic stearas, AC whipping agent, Diphenylsilanediol, ferric oxide joins and in Banbury mixer, carries out banburying, banburying temperature is 90 ± 5 ℃, the banburying time is 6 – 8 minutes, described silicon rubber, Vitrified powder, ceramic microsphere, aluminium hydroxide, zinc borate, white carbon black, silicone additive, silicone oil, dicumyl peroxide, 10# paraffin oil, Zinic stearas, AC whipping agent, Diphenylsilanediol, the mass ratio of ferric oxide is: 20-30:40-60:10-15:30-50:5-8:3-5:2-3:0.5-1:0.5-0.8:2-3:1-2:3-4:2-4:3-5,
Second step, squeeze sheet: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, the working temperature that single screw rod squeezes six workspace of sheet machine is respectively: 80 ± 5 ℃, a district, two 90 ± 5 ℃, districts, three 100 ± 5 ℃, districts, four 110 ± 5 ℃, districts, five 120 ± 5 ℃, districts, six 110 ± 5 ℃, districts;
The 3rd step, sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 210 ± 10 ℃, and the foamed time of sheet material in foaming furnace is 3 ± 1 minutes;
The 4th step, cuts: the sheet material after the 3rd step sulfur foam is cut to cutting in blocks, make finished product.
Particle, the model of the ethylene-propylene diene copolymer adopting are EP57P; The particle of acrylic resin, model are T30S, melting index 2.0; The particle of polyvinyl resin, model are 2426H, melting index 2.0; Whipping agent: main component is Cellmic C 121, pale yellow powder; The model of paraffin oil: No. 10 paraffin oils; Polyethylene wax is wax-like plate; TMPTMA is light yellow viscous liquid; Antioxidant 1010 # is that white is crystalline; Irgasfos 168 # is that white is crystalline; Zinic stearas is white powder; Talcum powder is pale powder, 3500 orders.
?
embodiment 1:
High molecule composite foaming material preparation method, comprises the following steps:
The first step: banburying: get 28Kg silicon rubber, 52Kg Vitrified powder, 12Kg ceramic microsphere, 38Kg aluminium hydroxide, 6.6Kg zinc borate, 3.8Kg white carbon black, 2.2Kg silicone additive, 0.75Kg silicone oil, 0.6Kg dicumyl peroxide, 2.2Kg10# paraffin oil, 0.6Kg Zinic stearas, 3.2KgAC whipping agent 3.6Kg Diphenylsilanediol, 3.3Kg ferric oxide and join in Banbury mixer, fully banburying, banburying temperature is 92 ℃, and the banburying time is 6 minutes;
Second step: extrude: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, and the working temperature that single screw rod squeezes sheet machine is: 78 ℃, a district, two 88 ℃, districts, three 985 ℃, districts, four 112 ℃, districts, five 122 ℃, districts, six 113 ℃, districts;
The 3rd step: sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 210 ℃, and the foamed time of sheet material in foaming furnace is 3 minutes;
The 4th step: cutting: the sheet material after the 3rd step sulfur foam is cut to cutting.
High molecule composite foaming material salient features data prepared by the present embodiment: warming plate model (long 1200mm, wide by 600, thick 50mm), compressive strength 300KPa; Density 45Kg/m3; Thermal conductivity 0.019 W/mK, water-intake rate 0.49%, moisture permeable coefficient 2.55ng/(mspa), dimensional stability 0.9%, combustionproperty A level is fire-retardant.
embodiment 2:
High molecule composite foaming material preparation method, comprises the following steps:
The first step: banburying: get 20Kg silicon rubber, 40Kg Vitrified powder, 10Kg ceramic microsphere, 30Kg aluminium hydroxide, 5Kg zinc borate, 3Kg white carbon black, 2Kg silicone additive, 0.5Kg silicone oil, 0.5Kg dicumyl peroxide, 2Kg10# paraffin oil, 1Kg Zinic stearas, 3KgAC whipping agent, 2Kg Diphenylsilanediol, 3Kg ferric oxide and join in Banbury mixer, fully banburying, banburying temperature is 90 ℃, and the banburying time is 6 minutes;
Second step: extrude: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, and the working temperature that single screw rod squeezes sheet machine is: 80 ℃, a district, two 90 ℃, districts, three 100 ℃, districts, four 110 ℃, districts, five 120 ℃, districts, six 110 ℃, districts;
The 3rd step: sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 210 ℃, and the foamed time of sheet material in foaming furnace is 3 minutes;
The 4th step: cutting: the sheet material after the 3rd step sulfur foam is cut to cutting.
High molecule composite foaming material salient features data prepared by the present embodiment: warming plate model (long 1200mm, wide by 600, thick 50mm), compressive strength 306KPa; Density 48Kg/m3; Thermal conductivity 0.018 W/mK, water-intake rate 0.5%, moisture permeable coefficient 2.6ng/(mspa), dimensional stability 0.8%, combustionproperty A level is fire-retardant.
embodiment 3
High molecule composite foaming material preparation method, comprises the following steps:
The first step, banburying: get 30Kg silicon rubber, 60Kg Vitrified powder, 15Kg ceramic microsphere, 50Kg aluminium hydroxide, 8Kg zinc borate, 5Kg white carbon black, 3Kg silicone additive, 1Kg silicone oil, 0.8Kg dicumyl peroxide, 3Kg10# paraffin oil, 2Kg Zinic stearas, 4KgAC whipping agent, 4Kg Diphenylsilanediol, 5Kg ferric oxide and join and carry out banburying in Banbury mixer, banburying temperature is 95 ℃, and the banburying time is 8 minutes;
Second step, squeezes sheet: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, and the working temperature that single screw rod squeezes six workspace of sheet machine is respectively: 85 ℃, a district, two 95 ℃, districts, three 105 ℃, districts, four 115 ℃, districts, five 125 ℃, districts, six 115 ℃, districts;
The 3rd step, sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 210 ± 10 ℃, and the foamed time of sheet material in foaming furnace is 3 ± 1 minutes;
The 4th step: cutting: the sheet material after the 3rd step sulfur foam is cut to cutting in blocks, make finished product.
Salient features data: warming plate model (long 1200mm, wide by 600, thick 50mm), compressive strength 293KPa; Density 56Kg/m3; Thermal conductivity 0.016 W/mK, water-intake rate 0.6%, moisture permeable coefficient 2.1ng/(mspa), dimensional stability 0.6%, combustionproperty A level is fire-retardant.
embodiment 4:
High molecule composite foaming material preparation method, comprises the following steps:
The first step: banburying: get 25Kg silicon rubber, 50Kg Vitrified powder, 13Kg ceramic microsphere, 40Kg aluminium hydroxide, 7Kg zinc borate, 4Kg white carbon black, 2.5Kg silicone additive, 0.8Kg silicone oil, 0.7Kg dicumyl peroxide, 2.5Kg10# paraffin oil, 1.5Kg Zinic stearas, 3.5KgAC whipping agent, 3Kg Diphenylsilanediol, 4Kg ferric oxide; Join in Banbury mixer and carry out banburying, banburying temperature is 94 ℃, and the banburying time is 6.5 minutes;
Second step, squeezes sheet: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, and the working temperature that single screw rod squeezes six workspace of sheet machine is respectively: 84 ℃, a district, two 89 ℃, districts, three 985 ℃, districts, four 112 ℃, districts, five 122 ℃, districts, six 110 ℃, districts;
The 3rd step, sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 220 ℃, and the foamed time of sheet material in foaming furnace is 3 minutes;
The 4th step: cutting: the sheet material after the 3rd step sulfur foam is cut to cutting in blocks, make finished product.
High molecule composite foaming material salient features data prepared by the present embodiment: warming plate model (long 1200mm, wide by 600, thick 50mm), compressive strength 300KPa; Density 53Kg/m3; Thermal conductivity 0.017 W/mK, water-intake rate 0.7%, moisture permeable coefficient 2.2ng/(mspa), dimensional stability 0.7%, combustionproperty A level is fire-retardant.
Claims (3)
1. a high molecule composite foaming material preparation method, comprises the following steps:
The first step, banburying: by silicon rubber, Vitrified powder, ceramic microsphere, aluminium hydroxide, zinc borate, white carbon black, silicone additive, silicone oil, dicumyl peroxide, 10# paraffin oil, Zinic stearas, AC whipping agent, Diphenylsilanediol, ferric oxide joins and in Banbury mixer, carries out banburying, banburying temperature is 90 ± 5 ℃, the banburying time is 6 – 8 minutes, described silicon rubber, Vitrified powder, ceramic microsphere, aluminium hydroxide, zinc borate, white carbon black, silicone additive, silicone oil, dicumyl peroxide, 10# paraffin oil, Zinic stearas, AC whipping agent, Diphenylsilanediol, the mass ratio of ferric oxide is: 20-30:40-60:10-15:30-50:5-8:3-5:2-3:0.5-1:0.5-0.8:2-3:1-2:3-4:2-4:3-5,
Second step, squeeze sheet: the good material of the first step banburying is drained in the crowded sheet machine of single screw rod and squeezes sheet, the working temperature that single screw rod squeezes six workspace of sheet machine is respectively: 80 ± 5 ℃, a district, two 90 ± 5 ℃, districts, three 100 ± 5 ℃, districts, four 110 ± 5 ℃, districts, five 120 ± 5 ℃, districts, six 110 ± 5 ℃, districts;
The 3rd step, sulfur foam: the sheet material that second step has been squeezed send and carries out sulfur foam as high temperature foaming furnace, and the temperature of foaming furnace is 210 ± 10 ℃, and the foamed time of sheet material in foaming furnace is 3 ± 1 minutes;
The 4th step: cutting: the sheet material after the 3rd step sulfur foam is cut to cutting in blocks, make finished product.
2. high molecule composite foaming material according to claim 1 and preparation method thereof, is characterized in that: described starting material are: the particle of described ethylene-propylene diene copolymer, model are EP57P; The particle of acrylic resin, model are T30S, melting index 2.0; The particle of polyvinyl resin, model are 2426H, melting index 2.0; Whipping agent: main component is Cellmic C 121, pale yellow powder; The model of paraffin oil: No. 10 paraffin oils; Polyethylene wax is wax-like plate; TMPTMA is light yellow viscous liquid; Antioxidant 1010 # is that white is crystalline; Irgasfos 168 # is that white is crystalline; Zinic stearas is white powder; Talcum powder is pale powder, 3500 orders.
3. the cross-linking radiation rubber and plastic compound vacuole cotton material by claim 1 or 2 preparations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078920.5A CN103849149A (en) | 2014-03-06 | 2014-03-06 | Polymer composite foam material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078920.5A CN103849149A (en) | 2014-03-06 | 2014-03-06 | Polymer composite foam material and preparation method thereof |
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| CN103849149A true CN103849149A (en) | 2014-06-11 |
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| CN201410078920.5A Pending CN103849149A (en) | 2014-03-06 | 2014-03-06 | Polymer composite foam material and preparation method thereof |
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| CN105153704A (en) * | 2015-06-16 | 2015-12-16 | 安徽天元电缆有限公司 | Ceramic-rubber composite material for flame-resistant cable and production method thereof |
| CN109575602A (en) * | 2018-10-29 | 2019-04-05 | 郭跃 | A kind of preparation method of silicon rubber foam |
| CN109679346A (en) * | 2018-12-27 | 2019-04-26 | 四川川环科技股份有限公司 | Prepare resistance to comburant composition, using, resistance to comburant, preparation method and oil transportation rubber tube |
| CN115819978A (en) * | 2022-07-01 | 2023-03-21 | 宁波市一彬实业投资有限责任公司 | Fireproof heat-insulating material and preparation method thereof |
| JP7456938B2 (en) | 2018-12-27 | 2024-03-27 | ダウ・東レ株式会社 | Method for manufacturing curable silicone sheet with hot melt properties |
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Cited By (5)
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| CN105153704A (en) * | 2015-06-16 | 2015-12-16 | 安徽天元电缆有限公司 | Ceramic-rubber composite material for flame-resistant cable and production method thereof |
| CN109575602A (en) * | 2018-10-29 | 2019-04-05 | 郭跃 | A kind of preparation method of silicon rubber foam |
| CN109679346A (en) * | 2018-12-27 | 2019-04-26 | 四川川环科技股份有限公司 | Prepare resistance to comburant composition, using, resistance to comburant, preparation method and oil transportation rubber tube |
| JP7456938B2 (en) | 2018-12-27 | 2024-03-27 | ダウ・東レ株式会社 | Method for manufacturing curable silicone sheet with hot melt properties |
| CN115819978A (en) * | 2022-07-01 | 2023-03-21 | 宁波市一彬实业投资有限责任公司 | Fireproof heat-insulating material and preparation method thereof |
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