CN103044796A - Epoxy resin-reinforced polystyrene halogen-free flame-retardant material and preparation method thereof - Google Patents
Epoxy resin-reinforced polystyrene halogen-free flame-retardant material and preparation method thereof Download PDFInfo
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- CN103044796A CN103044796A CN2012105810699A CN201210581069A CN103044796A CN 103044796 A CN103044796 A CN 103044796A CN 2012105810699 A CN2012105810699 A CN 2012105810699A CN 201210581069 A CN201210581069 A CN 201210581069A CN 103044796 A CN103044796 A CN 103044796A
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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
- B29C48/40—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 two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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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
- B29C48/78—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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- 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
- 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
- B29C2948/92514—Pressure
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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
- B29C2948/92819—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
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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Abstract
The invention discloses an epoxy resin-reinforced polystyrene halogen-free flame-retardant material, which comprises the following raw materials in part by weight: 68-80 parts of polystyrene, 8-20 parts of elastomer, 3-5 parts of epoxy resin, 0.3-1.5 parts of epoxy curing agent, 0.1-0.3 parts of lubricant, 8-12 parts of flame retardant, 0.4-0.8 parts of antioxidant, and 0.2-0.5 parts of dispersant. The invention further discloses an epoxy resin-reinforced polystyrene halogen-free flame-retardant material and a preparation method thereof. According to the invention, a styrene-butadiene-styrene block copolymer is added to improve the toughness, and the epoxy resin is added simultaneously for cross-linking and curing through the epoxy curing agent to form a reticular structure, so that polystyrene particles are adhered on the surface to form a core-shell structure, thereby improving the impact property and the strength of polystyrene. Meanwhile, microencapsulated red phosphorus and diphenyl phosphate are added to the halogen-free flame retardant so as to improve the flame retardancy of the system and widen the application scope of polystyrene.
Description
Technical field
The present invention relates to a kind of macromolecular material, refer in particular to a kind of Resins, epoxy and strengthen polystyrene bittern-free flame-proof material and preparation method thereof.
Background technology
Polystyrene (PS) has higher rigidity, outstanding dimensional stability and material properties of transparency are good, so be widely used in electronic original part, auto parts machinery, encapsulating products, plastic toy, internet, a plurality of fields such as engineering industry and household electrical appliance, its usage quantity are only second to polyvinyl chloride (PVC) and polyolefine ranks the 3rd.But it also some drawbacks limit are arranged polystyrene use in field widely, because its hardness ratio is large and performance is more crisp, so under some need the environment of excellent toughness, just can not use polystyrene as base mateiral, need to carry out toughening modifying to increase its use field for the existing shortcoming of polystyrene for this reason.
Styrene-butadiene-styrene block copolymer (SBS) because and polystyrene can be well compatible, therefore add the shock strength that can improve polystyrene behind the SBS, but the adding of elastomerics SBS causes its tensile strength to descend so that the polystyrene rigidity reduces.
For the defects of prior art, be necessary in the middle of modified polystyrene, to add reinforce, by the reinforce characteristic so that system obtains preferably over-all properties.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Resins, epoxy and strengthens polystyrene bittern-free flame-proof material and preparation method thereof, guarantee in the time of p-poly-phenyl ethene toughening modifying that obvious decline does not occur its intensity, thereby obtain to have the modified polystyrene material of better comprehensive mechanical property.
Solving the technical scheme that technical problem of the present invention adopts is: provide a kind of Resins, epoxy to strengthen the polystyrene bittern-free flame-proof material, comprise the raw material of following parts by weight:
Polystyrene 68～80;
Elastomerics 8～20;
Resins, epoxy 3～5;
Epoxy hardener 0.3～1.5;
Lubricant 0.1～0.3;
Fire retardant 8～12;
Oxidation inhibitor 0.4～0.8;
Dispersion agent 0.2～0.5.
Solving another technical scheme that technical problem of the present invention adopts is: a kind of method that aforesaid Resins, epoxy strengthens the polystyrene bittern-free flame-proof material for preparing is provided, may further comprise the steps:
Step 1, oven dry: polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step 2, mixing: the ratio according to parts by weight takes by weighing composition of raw materials, mixes to obtain mixture in 5-8 minute in high-speed mixer;
Step 3, extruding pelletization: the mixture that mixes in the step 2 is carried out extruding pelletization in twin screw extruder, it is 130-150 ℃ that twin screw extruder is set the feed end temperature, one district temperature 175-185 ℃, two district temperature 180-190 ℃, three district temperature 190-200 ℃, four district temperature 190-200 ℃, head 185-195 ℃, the residence time 1 ~ 2min, pressure are 10-16MPa.
Compared with prior art, the present invention by styrene-butadiene-styrene block copolymer (SBS) and Resins, epoxy (EP) to General Purpose Polystyrenre (GPPS) modification, elastic body styrene-butadiene-styrene block copolymer is because its toughness is better, can be good at improving the relatively poor shortcoming of polystyrene self toughness, Resins, epoxy belongs to rigid material, and crosslinking curing formation reticulated structure can occur in the presence of epoxy hardener simultaneously, this reticulated structure can form nucleocapsid structure so that the molecule of polystyrene and styrene-butadiene-styrene block copolymer is attached to its surface, thereby good effect has been played in the raising of the intensity of p-poly-phenyl ethene.The present invention has also added epoxy hardener, lubricant, and oxidation inhibitor, fire retardant and dispersion agent etc. have not only improved the over-all properties of material simultaneously so that material has had good flame retardant effect.The prepared material of the present invention not only has good impact property, and also the polystyrene material than general is high aspect intensity, and material also has flame retardant properties simultaneously, so that material is not only shock-resistant, and having certain intensity, Application Areas has obtained very large expansion.In addition, the composite material and preparation method thereof that the present invention proposes, production technique is simple, need not to add complex apparatus, and with low cost.
Description of drawings
Fig. 1 is the schema that Resins, epoxy of the present invention strengthens the preparation method of polystyrene bittern-free flame-proof material.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The present invention strengthens polystyrene (PS) by adding Resins, epoxy, Resins, epoxy can be compatible with polystyrene on the one hand, the Resins, epoxy of curing cross-linked can form nucleocapsid structure with styrene-butadiene-styrene block copolymer (SBS), the consistency of system is not only had much affect on the contrary can the further homogenizing of Promotion system, Resins, epoxy is thermosetting material on the other hand, its adding can be so that the rigidity of system increases, it is not obvious that thereby the tensile strength that makes system descends, and reaches the best over-all properties that needs.Simultaneously, it is fire-retardant that the present invention has adopted encapsulated red phosphorus p-poly-phenyl ethene to carry out, and flame-retardant system belongs to halogen-free flameproof, can well solve because of halogen be fire-retardant impact on the material environment friendly performance.
Resins, epoxy provided by the invention strengthens the polystyrene bittern-free flame-proof material, comprises the raw material of following parts by weight:
Polystyrene 68～80;
Elastomerics 8～20;
Resins, epoxy 3～5;
Epoxy hardener 0.3～1.5;
Lubricant 0.1～0.3;
Fire retardant 8～12;
Oxidation inhibitor 0.4～0.8;
Dispersion agent 0.2～0.5.
Wherein, described polystyrene adopts General Purpose Polystyrenre, and described polystyrene is the transparent grain of colorless and odorless; Melt flow rate (MFR) is 7g/10min, and notched Izod impact strength is 1.8KJ/M
2, tensile strength is 41Mpa, and elongation at break is 2.1%, and flexural strength is 65Mpa.
Described elastomerics is styrene-butadiene-styrene block copolymer, and its melt flow rate (MFR) is 0.10g/10min; Tensile strength is 26.0Mpa; 300% stress at definite elongation is 4.0Mpa; Tensile yield is 650%; Tear strength is 50KN/m; Oleaginousness is 0%; Fugitive constituent is 0.50%; The mass ratio of S/B is 40/60.
Described Resins, epoxy adopts the bisphenol A-type diglycidylether, and model is EP128, and epoxy equivalent (weight) is 184-190, and viscosity is 12000-150000.
Described epoxy hardener is 4,4 '-diaminodiphenyl-methane, its molecular weight is 198.26, is pale yellow under the room temperature or the orange solid state.
Described lubricant uses white mineral oil.
Described fire retardant adopts red phosphorus to coat master batch and diphenyl phosphate associating flame-retardant formulations, and wherein, it is 4-7 that red phosphorus coats the master batch weight fraction, and the antimonous oxide weight fraction is 4-5.
Described oxidation inhibitor adopts 168, and fusing point is 183-187 ℃, and ash is 0.1%, and fugitive constituent is less than 0.3%.
Described dispersion agent adopts 200 purpose EBS, and molecular weight is 593, relative density 0.98,140 ℃ of fusing points.
Please refer to Fig. 1, the present invention also provides a kind of method that aforesaid Resins, epoxy strengthens the polystyrene bittern-free flame-proof material for preparing, and it may further comprise the steps:
Step S01, material drying: polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step S02, take by weighing recipe ingredient and mix: the ratio according to parts by weight takes by weighing composition of raw materials, mixes to obtain mixture in 5-8 minute in high-speed mixer;
Step S03, extruding pelletization: the mixture that mixes among the step S02 is carried out extruding pelletization in twin screw extruder, it is 130-150 ℃ that twin screw extruder is set the feed end temperature, one district temperature 175-185 ℃, two district temperature 180-190 ℃, three district temperature 190-200 ℃, four district temperature 190-200 ℃, head 185-195 ℃, the residence time 1 ~ 2min, pressure are 10-16MPa.
Below specify Resins, epoxy of the present invention by obstructed embodiment and strengthen polystyrene bittern-free flame-proof material and preparation method thereof and performance etc.
Embodiment 1:
The Resins, epoxy that embodiment 1 provides strengthens the batching that the polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 76;
Elastomerics (SBS) 10;
Resins, epoxy (EP) 3;
4,4 '-diaminodiphenyl-methane (DDM) 1;
White oil 0.1;
Wrapped up Phosphorus Fire Retardant 5;
Diphenyl phosphate 4;
Irgasfos 168 0.4;
Dispersion agent EBS 0.5.
The preparation method that the Resins, epoxy that embodiment 1 provides strengthens the polystyrene fire retardant material comprises step:
Step 1, oven dry: polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step 2, take by weighing recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, then in high-speed mixer, mixed 5 minutes;
Step 3, extruding pelletization: under 200 ℃ of temperature, carry out extruding pelletization with twin screw extruder, obtain Resins, epoxy and strengthen the polystyrene fire retardant material, wherein, forcing machine main frame rotating speed is 320 rev/mins (R/min), and rate of feeding is 35 kg/hours (kg/h).
Strengthen the performance of polystyrene fire retardant material for the test wrapper epoxy resins, also need to carry out step 4, pressing plate injection moulding: the pellet after will extruding carries out being injection molded into the standard batten at injection moulding machine after the drying treatment to be tested, injection temperature is 210 ℃, injection pressure is 30Mpa, 10 seconds inject time, 20 seconds dwell times.
Embodiment 2:
The Resins, epoxy that embodiment 2 provides strengthens the batching that the polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 75;
Elastomerics (SBS) 10;
Resins, epoxy (EP) 4;
DDM 1；
White oil 0.2;
Wrapped up Phosphorus Fire Retardant 5;
Diphenyl phosphate 4;
Irgasfos 168 0.5;
Dispersion agent EBS 0.3.
The preparation method that the Resins, epoxy that embodiment 2 provides strengthens the polystyrene fire retardant material comprises step:
Step 1, oven dry: polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step 2, take by weighing recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, in high-speed mixer, mixed 7 minutes;
Step 3, extruding pelletization: carry out extruding pelletization with twin screw extruder under 205 ℃ of temperature, obtain Resins, epoxy and strengthen the polystyrene fire retardant material, wherein, forcing machine main frame rotating speed is 320R/min, and rate of feeding is 35 kg/hours.
Strengthen the performance of polystyrene fire retardant material for the test wrapper epoxy resins, also need to carry out step 4, pressing plate injection moulding: the pellet after will extruding carries out being injection molded into the standard batten at injection moulding machine after the drying treatment to be tested, injection temperature is 220 ℃, injection pressure is 30Mpa, 10 seconds inject time, 20 seconds dwell times.
Embodiment 3:
The Resins, epoxy that embodiment 3 provides strengthens the batching that the polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 74;
Elastomerics (SBS) 10;
Resins, epoxy (EP) 5;
DDM 1；
White oil 0.3;
Wrapped up Phosphorus Fire Retardant 5;
Diphenyl phosphate 4;
Irgasfos 168 0.4;
Dispersion agent EBS 0.2.
The preparation method that the Resins, epoxy that embodiment 3 provides strengthens the polystyrene fire retardant material comprises step:
Step 1, oven dry: polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step 2, take by weighing recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, in high-speed mixer, mixed 10 minutes;
Step 3, extruding pelletization: carry out extruding pelletization with twin screw extruder under 210 ℃ of temperature, obtain Resins, epoxy and strengthen the polystyrene fire retardant material, wherein, forcing machine main frame rotating speed is 300R/min, and rate of feeding is 32 kg/hours.
Strengthen the performance of polystyrene fire retardant material for the test wrapper epoxy resins, also need to carry out step 4, pressing plate injection moulding: the pellet after will extruding carries out being injection molded into the standard batten at injection moulding machine after the drying treatment to be tested, injection temperature is 220 ℃, injection pressure is 30Mpa, 10 seconds inject time, 20 seconds dwell times.
Embodiment 4:
The Resins, epoxy that embodiment 4 provides strengthens the batching that the polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 66;
Elastomerics (SBS) 15;
Resins, epoxy (EP) 5;
DDM 1；
White oil 0.3;
Wrapped up Phosphorus Fire Retardant 7;
Diphenyl phosphate 5;
Irgasfos 168 0.4;
Dispersion agent EBS 0.2.
The preparation method that the Resins, epoxy that embodiment 4 provides strengthens the polystyrene fire retardant material comprises step:
Step 1, oven dry: polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step 2, take by weighing recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, in high-speed mixer, mixed 10 minutes;
Step 3, extruding pelletization: carry out extruding pelletization with twin screw extruder under 210 ℃ of temperature, obtain Resins, epoxy and strengthen the polystyrene fire retardant material, wherein, forcing machine main frame rotating speed is 300R/min, and rate of feeding is 32 kg/hours.
Strengthen the performance of polystyrene fire retardant material for the test wrapper epoxy resins, also need to carry out step 4, pressing plate injection moulding: the pellet after will extruding carries out being injection molded into the standard batten at injection moulding machine after the drying treatment to be tested, injection temperature is 230 ℃, injection pressure is 33Mpa, 10 seconds inject time, 20 seconds dwell times.
Performance test:
Physical and mechanical property and weathering resistance are pressed ASTM relevant criterion sampling observation data.Embodiment 1 ~ 4 raw material and material property see Table 1:
Embodiment 1 ~ 4 performance comparison table:
Can find out from example 1-4, increase along with the Resins, epoxy add-on, the tensile strength of modified polystyrene bittern-free flame-proof material constantly is improved, rigidity and the intensity of system are increased, and shock strength is not obvious along with the increase reduction of Resins, epoxy add-on, illustrated that adding Resins, epoxy has played the effect that improves the polystyrene over-all properties, adopt simultaneously red phosphorus coating master batch and the composite flame-retardant formulations of triphenylphosphate so that the flame retardant rating of system reaches the V0 level, simultaneously the objectionable impurities such as not halogen-containing in the material satisfies environmental requirement.
Resins, epoxy of the present invention strengthens the polystyrene fire retardant material can be widely used in the fields such as automotive industry, electric industry, mechanical industry, such as automobile exterior trimming parts, household electrical appliances outdoor parts, communication products etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Resins, epoxy strengthens the polystyrene bittern-free flame-proof material, it is characterized in that, it comprises the raw material of following parts by weight:
Polystyrene 68～80;
Elastomerics 8～20;
Resins, epoxy 3～5;
Epoxy hardener 0.3～1.5;
Lubricant 0.1～0.3;
Fire retardant 8～12;
Oxidation inhibitor 0.4～0.8;
Dispersion agent 0.2～0.5.
2. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that: described polystyrene adopts General Purpose Polystyrenre, and described polystyrene is the transparent grain of colorless and odorless; Melt flow rate (MFR) is 7g/10min, and notched Izod impact strength is 1.8KJ/M
2, tensile strength is 41Mpa, and elongation at break is 2.1%, and flexural strength is 65Mpa.
3. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, and it is characterized in that: described elastomerics is styrene-butadiene-styrene block copolymer, and its melt flow rate (MFR) is 0.10g/10min; Tensile strength is 26.0Mpa; 300% stress at definite elongation is 4.0Mpa; Tensile yield is 650%; Tear strength is 50KN/m; Oleaginousness is 0%; Fugitive constituent is 0.50%.
4. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that: described Resins, epoxy adopts the bisphenol A-type diglycidylether, and model is EP128, and epoxy equivalent (weight) is 184-190, and viscosity is 12000-150000.
5. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that: described epoxy hardener is 4,4 '-diaminodiphenyl-methane, its molecular weight is 198.26.
6. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that: described lubricant uses white mineral oil.
7. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that: described fire retardant comprises that red phosphorus coats master batch and diphenyl phosphate, and wherein, it is 4-7 that red phosphorus coats the master batch weight fraction, and the antimonous oxide weight fraction is 4-5.
8. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that: described oxidation inhibitor adopts 168, and fusing point is 183-187 ℃, and ash is 0.1%, and fugitive constituent is less than 0.3%.
9. Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, and it is characterized in that: described dispersion agent adopts 200 purpose EBS, and molecular weight is 593, relative density 0.98,140 ℃ of fusing points.
10. one kind prepares the method that Resins, epoxy as claimed in claim 1 strengthens the polystyrene bittern-free flame-proof material, it is characterized in that, it may further comprise the steps:
Step 1, polystyrene and styrene-butadiene-styrene block copolymer be 80 ℃ baking oven inner drying 6 hours, and Resins, epoxy was 70 ℃ baking oven inner drying 4 hours;
Step 2, take by weighing composition of raw materials according to the ratio of parts by weight, in high-speed mixer, mix obtaining mixture in 5-8 minute;
Step 3, the mixture that mixes in the step 2 is carried out extruding pelletization in twin screw extruder, it is 130-150 ℃ that twin screw extruder is set the feed end temperature, one district temperature 175-185 ℃, two district temperature 180-190 ℃, three district temperature 190-200 ℃, four district temperature 190-200 ℃, head 185-195 ℃, the residence time 1 ~ 2min, pressure are 10-16MPa.
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| CN201210581069.9A CN103044796B (en) | 2012-12-27 | 2012-12-27 | A kind of epoxy resin strengthens polystyrene bittern-free flame-proof material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317665A (en) * | 2016-08-04 | 2017-01-11 | 叶剑 | Polystyrene foam decorative sheet and manufacturing method thereof |
| CN107325490A (en) * | 2017-09-01 | 2017-11-07 | 江苏欧亚铂瑞碳复合材料有限公司 | A kind of RTM shapings two grades of method for toughening of high temperature tough epoxy resin system |
| CN115044171A (en) * | 2022-06-30 | 2022-09-13 | 浙江华正新材料股份有限公司 | Resin composition, resin-based composite material and preparation method thereof |
| CN115873355A (en) * | 2022-10-24 | 2023-03-31 | 金发科技股份有限公司 | Polystyrene material and preparation method and application thereof |
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| CN1472246A (en) * | 2003-06-19 | 2004-02-04 | 上海交通大学 | Reinforced toughened polypropylene material preparing method |
| CN102051033A (en) * | 2009-10-30 | 2011-05-11 | 上海普利特复合材料股份有限公司 | High-rigidity high-impact PC/ABS alloy |
| CN102585391A (en) * | 2011-01-18 | 2012-07-18 | 苏州汉扬精密电子有限公司 | Modification and recovery formula for defective material of high impact polystyrene |
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| CN1472246A (en) * | 2003-06-19 | 2004-02-04 | 上海交通大学 | Reinforced toughened polypropylene material preparing method |
| CN102051033A (en) * | 2009-10-30 | 2011-05-11 | 上海普利特复合材料股份有限公司 | High-rigidity high-impact PC/ABS alloy |
| CN102585391A (en) * | 2011-01-18 | 2012-07-18 | 苏州汉扬精密电子有限公司 | Modification and recovery formula for defective material of high impact polystyrene |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317665A (en) * | 2016-08-04 | 2017-01-11 | 叶剑 | Polystyrene foam decorative sheet and manufacturing method thereof |
| CN107325490A (en) * | 2017-09-01 | 2017-11-07 | 江苏欧亚铂瑞碳复合材料有限公司 | A kind of RTM shapings two grades of method for toughening of high temperature tough epoxy resin system |
| CN115044171A (en) * | 2022-06-30 | 2022-09-13 | 浙江华正新材料股份有限公司 | Resin composition, resin-based composite material and preparation method thereof |
| CN115873355A (en) * | 2022-10-24 | 2023-03-31 | 金发科技股份有限公司 | Polystyrene material and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN103044796B (en) | 2015-12-09 |
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Effective date of registration: 20160401 Address after: 518000 Baoan District, Shenzhen, Baoan District, the people of the first district of the square building, the first floor of the building on the ground floor, building 13, Patentee after: Shenzhen Yataixing Industry Ltd. Address before: 241000 Wuhu economic and Technological Development Zone, East Road, No. nine, Anhui Patentee before: Polymer Science (Anhui) New Material Co., Ltd. |