CN109233021A - A kind of rubber and plastic insulation board and preparation method thereof - Google Patents

A kind of rubber and plastic insulation board and preparation method thereof Download PDF

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Publication number
CN109233021A
CN109233021A CN201811033406.4A CN201811033406A CN109233021A CN 109233021 A CN109233021 A CN 109233021A CN 201811033406 A CN201811033406 A CN 201811033406A CN 109233021 A CN109233021 A CN 109233021A
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parts
agent
promotor
rubber
zdmc
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肖红强
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Guangzhou Guanghua Technology Co Ltd
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Guangzhou Guanghua Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102Azo-compounds
    • C08J9/103Azodicarbonamide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066Use of inorganic compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0095Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/04N2 releasing, ex azodicarbonamide or nitroso compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00Foams characterised by their properties
    • C08J2205/04Foams characterised by their properties characterised by the foam pores
    • C08J2205/044Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2309/00Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2309/02Copolymers with acrylonitrile
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2409/00Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/02Copolymers with acrylonitrile
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2471/02Polyalkylene oxides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2491/00Characterised by the use of oils, fats or waxes; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2491/00Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06Waxes

Abstract

The invention discloses a kind of rubber and plastic insulation boards and preparation method thereof, including the raw material matched according to following fraction: 8-10 parts of nitrile rubber;8-10 parts of polyvinyl chloride;3.1-6 parts of vinyl chloride-vinyl acetate resin;16-18 parts of aluminium hydroxide;3.2-5 parts of carbonic acid light calcium;N5501.6-3 parts of carbon black;52#13.5-15 parts of Lvization Shi Que;0.6-2 parts of epoxidized soybean oil;#0.6-2 parts of Macrogol 4000;0.16-1.5 parts of anti-aging agent;0.31-1 parts of DPTT promotor;0.98-2 parts of ZDMC promotor;0.23-0.5 parts of zinc oxide;ZBS0.24-2 parts;0.04-3 parts of stearic acid;0.28-2 parts of sulphur;8.5-10 parts of AC foaming agent;1-3 parts of antimony oxide;0.03-1 parts of antiscorching agent.

Description

A kind of rubber and plastic insulation board and preparation method thereof
Technical field
The present invention relates to a kind of technical field of thermal insulation material, especially a kind of rubber and plastic insulation board and preparation method thereof.
Background technique
That there are flameproof effects is poor for traditional flexible foamed article based on rubber and plastic, and closed pore performance is not easy to control, thus Increase heat dissipation channel, reduces the defect of insulation effect.In recent years, although being continuously improved in product formula and technology, Or the effect of not up to high fire prevention, high heat preservation, and current processing technology is complicated.
Summary of the invention
A kind of simple process, fire prevention and heat preservation are provided the purpose of the present invention is to solve above-mentioned the deficiencies in the prior art A kind of good rubber and plastic insulation board and preparation method thereof of effect.
To achieve the goals above, a kind of rubber and plastic insulation board designed by the present invention, including what is matched according to following fraction Raw material: 8-10 parts of nitrile rubber;8-10 parts of polyvinyl chloride;3.1-6 parts of vinyl chloride-vinyl acetate resin;16-18 parts of aluminium hydroxide;Carbonic acid light calcium 3.2-5 part;N5501.6-3 parts of carbon black;52#13.5-15 parts of Lvization Shi Que;0.6-2 parts of epoxidized soybean oil;Macrogol 4000 # 0.6-2 parts;0.16-1.5 parts of anti-aging agent;0.31-1 parts of DPTT promotor;0.98-2 parts of ZDMC promotor;Zinc oxide 0.23-0.5 Part;ZBS0.24-2 parts;0.04-3 parts of stearic acid;0.28-2 parts of sulphur;8.5-10 parts of AC foaming agent;1-3 parts of antimony oxide; 0.03-1 parts of antiscorching agent.
Further, the raw material including being matched according to following fraction: 8 parts of nitrile rubber;8 parts of polyvinyl chloride;Vinyl chloride-vinyl acetate resin 3.1 Part;16 parts of aluminium hydroxide;3.2 parts of carbonic acid light calcium;N5501.6 parts of carbon black;52#13.5 parts of Lvization Shi Que;Epoxidized soybean oil 0.6 Part;#0.6 parts of Macrogol 4000;0.16 part of anti-aging agent;0.31 part of DPTT promotor;0.98 part of ZDMC promotor;Zinc oxide 0.23 part;ZBS0.24 parts;0.04 part of stearic acid;0.28 part of sulphur;8.5 parts of AC foaming agent;1 part of antimony oxide;Antiscorching agent 0.03 part.
Further, 9 parts of nitrile rubber;9 parts of polyvinyl chloride;4.2 parts of vinyl chloride-vinyl acetate resin;17 parts of aluminium hydroxide;Carbonic acid light calcium 4 Part;N5501.8 parts of carbon black;52#14 parts of Lvization Shi Que;1.5 parts of epoxidized soybean oil;#0.8 parts of Macrogol 4000;Anti-aging agent 1.2 Part;0.5 part of DPTT promotor;1 part of ZDMC promotor;0.3 part of zinc oxide;ZBS1.5 parts;1.3 parts of stearic acid;0.5 part of sulphur; 9 parts of AC foaming agent;2 parts of antimony oxide;0.3 part of antiscorching agent.
The invention also discloses a kind of preparation methods of rubber and plastic insulation board, successively include following process flow: ingredient is mixed Refining, mill, mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, which is characterized in that specific packet Include following steps:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, Lvization Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, oxidation Zinc, ZBS, stearic acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: nitrile rubber, Corvic, the vinyl chloride-vinyl acetate resin in above-mentioned raw materials as major ingredient are put into kneading machine In carry out be kneaded 10-15 minutes;It is spare;
Step 3: adding aluminium hydroxide, carbonic acid light calcium, carbon black and being increased with Lvization Shi Que 52# and epoxidized soybean oil work Agent is moulded, and carries out mill and handles 10-15 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 10-15 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extrusion In machine, spout temperature is adjusted to 30 DEG C -35 DEG C first, feeding section pressure is 0.3-0.35MPa, fluxing zone vacuum degree control In -60KPa, 42-47 DEG C of fluxing zone temperature, fluxing zone pressure is adjusted to 0.5-0.8MPa, and 40-45 DEG C of temperature of head section, head In 0.5-0.8MPa, extruder revolving speed is 18~20 revs/min for pressure control, squeezes out film and is sent into vulcanizing oven;
Step 6: under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS, carry out after cryogenic vulcanization again into Cooling is carried out after the foaming of row high temperature, wherein curing temperature is 110 DEG C -134 DEG C, and high temperature blowing temperature is 145 DEG C -168 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
Further, the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead Extruder feed port;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife, angle knife edge direction on fixing clamp Outside, inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
A kind of rubber and plastic insulation board and preparation method thereof that the present invention obtains, present invention process process are simple and due to material , by 100% independent microbubble structure, the average diameter of bubble only has 50UM or so for itself, i.e., quite tight in the material of 1MM thickness It is close, 20 layers of bubble are equably arranged, bubble has effectively separated the transmitting of heat and the infiltration of vapor.Therefore the present invention uses Nitrile rubber (NBR)+Corvic (PVC)+chlorine vinegar is major ingredient, is adding suitable filler material, aluminium hydroxide+carbonic acid is light Calcium makees plasticizer with 52# paraffin oil and epoxidized soybean oil, then plus AC foaming agent, be kneaded into film together;It is adjusted again with extruder To temperature, the pressure etc. of parameter value, squeezes out film and enter vulcanizing oven, finally make the product heat insulation effect being prepared good, prevent Fiery effect might as well.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram in embodiment 1 after a kind of foaming of rubber and plastic insulation board after middle product foaming;
Fig. 2 is the structural schematic diagram after the product deburring in embodiment 1 after a kind of foaming of rubber and plastic insulation board.
Specific embodiment
Innovation and creation are described further below with reference to embodiment.
Embodiment 1:
A kind of rubber and plastic insulation board provided in this embodiment, including the raw material matched according to following fraction: nitrile rubber 8-10 Part;8-10 parts of polyvinyl chloride;3.1-6 parts of vinyl chloride-vinyl acetate resin;16-18 parts of aluminium hydroxide;3.2-5 parts of carbonic acid light calcium;Carbon black N5501.6-3 parts;52#13.5-15 parts of Lvization Shi Que;0.6-2 parts of epoxidized soybean oil;#0.6-2 parts of Macrogol 4000;It is anti-old 0.16-1.5 parts of agent;0.31-1 parts of DPTT promotor;0.98-2 parts of ZDMC promotor;0.23-0.5 parts of zinc oxide;ZBS0.24-2 Part;0.04-3 parts of stearic acid;0.28-2 parts of sulphur;8.5-10 parts of AC foaming agent;1-3 parts of antimony oxide;Antiscorching agent 0.03-1 Part.
Further, the raw material including being matched according to following fraction: 8 parts of nitrile rubber;8 parts of polyvinyl chloride;Vinyl chloride-vinyl acetate resin 3.1 Part;16 parts of aluminium hydroxide;3.2 parts of carbonic acid light calcium;N5501.6 parts of carbon black;52#13.5 parts of Lvization Shi Que;Epoxidized soybean oil 0.6 Part;#0.6 parts of Macrogol 4000;0.16 part of anti-aging agent;0.31 part of DPTT promotor;0.98 part of ZDMC promotor;Zinc oxide 0.23 part;ZBS0.24 parts;0.04 part of stearic acid;0.28 part of sulphur;8.5 parts of AC foaming agent;1 part of antimony oxide;Antiscorching agent 0.03 part.
The present embodiment also discloses a kind of preparation method of rubber and plastic insulation board, successively includes following process flow: ingredient is mixed Refining, mill, mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, which is characterized in that specific packet Include following steps:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, Lvization Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, oxidation Zinc, ZBS, stearic acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: nitrile rubber, Corvic, the vinyl chloride-vinyl acetate resin in above-mentioned raw materials as major ingredient are put into kneading machine In carry out be kneaded 10-15 minutes;It is spare;
Step 3: adding aluminium hydroxide, carbonic acid light calcium, carbon black and being increased with Lvization Shi Que 52# and epoxidized soybean oil work Agent is moulded, and carries out mill and handles 10-15 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 10-15 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extrusion In machine, spout temperature is adjusted to 30 DEG C -35 DEG C first, feeding section pressure is 0.3-0.35MPa, fluxing zone vacuum degree control In -60KPa, 42-47 DEG C of fluxing zone temperature, fluxing zone pressure is adjusted to 0.5-0.8MPa, and 40-45 DEG C of temperature of head section, head In 0.5-0.8MPa, extruder revolving speed is 18~20 revs/min for pressure control, squeezes out film and is sent into vulcanizing oven;
Step 6: under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS, carry out after cryogenic vulcanization again into Cooling is carried out after the foaming of row high temperature, wherein curing temperature is 110 DEG C -134 DEG C, and high temperature blowing temperature is 145 DEG C -168 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
Further, the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead Extruder feed port;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife, angle knife edge direction on fixing clamp Outside, inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
When being squeezed out due to insulating rubber plastic by extruder, because extrusion die is cylinder, extruded material is circular ring shape Shape is planar after splitting from centre.It is irregular to split section, and there is bending in section, after foaming, section is irregular at indent (such as figure one), it is irregular after section is foamed to change, there is indent, not straight flange phenomenon, by long term test, with unilateral angle knife Piece, the section splitted reach the target of setting after foaming, smooth after the foaming of section, without face concave or convex (such as figure two)
Embodiment 2:
A kind of rubber and plastic insulation board provided in this embodiment, including the raw material matched according to following fraction: 9 parts of nitrile rubber; 9 parts of polyvinyl chloride;4.2 parts of vinyl chloride-vinyl acetate resin;17 parts of aluminium hydroxide;4 parts of carbonic acid light calcium;N5501.8 parts of carbon black;Lvization Shi Que 52# 14 parts;1.5 parts of epoxidized soybean oil;#0.8 parts of Macrogol 4000;1.2 parts of anti-aging agent;0.5 part of DPTT promotor;ZDMC promotes 1 part of agent;0.3 part of zinc oxide;ZBS1.5 parts;1.3 parts of stearic acid;0.5 part of sulphur;9 parts of AC foaming agent;2 parts of antimony oxide;It is anti- 0.3 part of burnt agent.
The present embodiment also discloses a kind of preparation method of rubber and plastic insulation board, successively includes following process flow: ingredient is mixed Refining, mill, mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, which is characterized in that specific packet Include following steps:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, Lvization Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, oxidation Zinc, ZBS, stearic acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: nitrile rubber, Corvic, the vinyl chloride-vinyl acetate resin in above-mentioned raw materials as major ingredient are put into kneading machine In carry out be kneaded 10-15 minutes;It is spare;
Step 3: adding aluminium hydroxide, carbonic acid light calcium, carbon black and being increased with Lvization Shi Que 52# and epoxidized soybean oil work Agent is moulded, and carries out mill and handles 10 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 10-15 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extrusion In machine, spout temperature is adjusted to 32 DEG C first, feeding section pressure is 0.32MPa, fluxing zone vacuum degree control in -60KPa, Fluxing zone temperature 45 C, fluxing zone pressure are adjusted to 0.6MPa, 43 DEG C of head section temperature, and head pressure control is squeezed in 0.68MPa Machine revolving speed is 19 revs/min out, squeezes out film and is sent into vulcanizing oven;
Step 6: under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS, carry out after cryogenic vulcanization again into Cooling is carried out after the foaming of row high temperature, wherein curing temperature is 120 DEG C, and high temperature blowing temperature is 150 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
Further, the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead Extruder feed port;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife, angle knife edge direction on fixing clamp Outside, inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
Embodiment 3:
A kind of rubber and plastic insulation board provided in this embodiment, including the raw material matched according to following fraction: nitrile rubber 8-10 Part;8-10 parts of polyvinyl chloride;5 parts of vinyl chloride-vinyl acetate resin;18 parts of aluminium hydroxide;5 parts of carbonic acid light calcium;N5503 parts of carbon black;Lvization Shi Que 52#15 parts;2 parts of epoxidized soybean oil;#2 parts of Macrogol 4000;1.5 parts of anti-aging agent;1 part of DPTT promotor;ZDMC promotor 2 Part;0.5 part of zinc oxide;ZBS2 parts;3 parts of stearic acid;2 parts of sulphur;10 parts of AC foaming agent;3 parts of antimony oxide;1 part of antiscorching agent. The present embodiment also discloses a kind of preparation method of rubber and plastic insulation board, successively include following process flow: ingredient, mixing, mill, Mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, which is characterized in that specifically include following step It is rapid:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, Lvization Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, oxidation Zinc, ZBS, stearic acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: nitrile rubber, Corvic, the vinyl chloride-vinyl acetate resin in above-mentioned raw materials as major ingredient are put into kneading machine In carry out be kneaded 12 minutes;It is spare;
Step 3: adding aluminium hydroxide, carbonic acid light calcium, carbon black and being increased with Lvization Shi Que 52# and epoxidized soybean oil work Agent is moulded, and carries out mill and handles 12 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 12 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extrusion In machine, spout temperature is adjusted to 32 DEG C first, feeding section pressure is 0.33MPa, fluxing zone vacuum degree control in -60KPa, Fluxing zone temperature 45 C, fluxing zone pressure are adjusted to 0.6MPa, 42 DEG C of head section temperature, and head pressure control is squeezed in 0.6MPa Machine revolving speed is 18 revs/min out, squeezes out film and is sent into vulcanizing oven;
Step 6: under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS, carry out after cryogenic vulcanization again into Cooling is carried out after the foaming of row high temperature, wherein curing temperature is 120 DEG C, and high temperature blowing temperature is 155 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
Further, the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead Extruder feed port;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife, angle knife edge direction on fixing clamp Outside, inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
Embodiment 4:
A kind of rubber and plastic insulation board provided in this embodiment, including the raw material matched according to following fraction: 9 parts of nitrile rubber; 1 part of polyvinyl chloride;5 parts of vinyl chloride-vinyl acetate resin;16.8 parts of aluminium hydroxide;3.8 parts of carbonic acid light calcium;N5501.8 parts of carbon black;Lvization Shi Que 52#13.8 parts;0.9 part of epoxidized soybean oil;#0.8 parts of Macrogol 4000;0.6 part of anti-aging agent;0.4 part of DPTT promotor;ZDMC 1.2 parts of promotor;0.34 part of zinc oxide;ZBS0.35 parts;2 parts of stearic acid;0.3 part of sulphur;8.6 parts of AC foaming agent;Three oxidations two 2.8 parts of antimony;1.2 parts of antiscorching agent.The present embodiment also discloses a kind of preparation method of rubber and plastic insulation board, successively includes following technique Process: ingredient, mixing, mill, mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, it is special Sign is, specifically includes the following steps:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, Lvization Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, oxidation Zinc, ZBS, stearic acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: nitrile rubber, Corvic, the vinyl chloride-vinyl acetate resin in above-mentioned raw materials as major ingredient are put into kneading machine In carry out be kneaded 14 minutes;It is spare;
Step 3: adding aluminium hydroxide, carbonic acid light calcium, carbon black and being increased with Lvization Shi Que 52# and epoxidized soybean oil work Agent is moulded, and carries out mill and handles 14 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 14 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extrusion In machine, spout temperature is adjusted to 34 DEG C first, feeding section pressure is 0.34MPa, fluxing zone vacuum degree control in -60KPa, 46 DEG C of fluxing zone temperature, fluxing zone pressure is adjusted to 0.7MPa, 44 DEG C of head section temperature, and head pressure control is squeezed in 0.7MPa Machine revolving speed is 19 revs/min out, squeezes out film and is sent into vulcanizing oven;
Step 6: under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS, carry out after cryogenic vulcanization again into Cooling is carried out after the foaming of row high temperature, wherein curing temperature is 130 DEG C, and high temperature blowing temperature is 160 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
Further, the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead Extruder feed port;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife, angle knife edge direction on fixing clamp Outside, inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
Embodiment 5:
A kind of rubber and plastic insulation board provided in this embodiment, including the raw material matched according to following fraction: 10 parts of nitrile rubber; 9 parts of polyvinyl chloride;5 parts of vinyl chloride-vinyl acetate resin;16.5 parts of aluminium hydroxide;3.2-5 parts of carbonic acid light calcium;N5502 parts of carbon black;Lvization Shi Que 52#14.5 parts;1.8 parts of epoxidized soybean oil;#1 parts of Macrogol 4000;1.3 parts of anti-aging agent;0.8 part of DPTT promotor;ZDMC promotees Into 1.5 parts of agent;0.23-0.5 parts of zinc oxide;ZBS1.6 parts;0.04-3 parts of stearic acid;1 part of sulphur;9 parts of AC foaming agent;Three oxidations Two 2 parts of antimony;1.3 parts of antiscorching agent.The present embodiment also discloses a kind of preparation method of rubber and plastic insulation board, successively includes following technique Process: ingredient, mixing, mill, mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, it is special Sign is, specifically includes the following steps:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, Lvization Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, oxidation Zinc, ZBS, stearic acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: nitrile rubber, Corvic, the vinyl chloride-vinyl acetate resin in above-mentioned raw materials as major ingredient are put into kneading machine In carry out be kneaded 15 minutes;It is spare;
Step 3: adding aluminium hydroxide, carbonic acid light calcium, carbon black and being increased with Lvization Shi Que 52# and epoxidized soybean oil work Agent is moulded, and carries out mill and handles 15 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 15 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extrusion In machine, spout temperature is adjusted to 35 DEG C first, feeding section pressure is 0.35MPa, fluxing zone vacuum degree control in -60KPa, 47 DEG C of fluxing zone temperature, fluxing zone pressure is adjusted to 0.8MPa, head section temperature 45 C, and head pressure control is squeezed in 0.8MPa Machine revolving speed is 20 revs/min out, squeezes out film and is sent into vulcanizing oven;
Step 6: under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS, carry out after cryogenic vulcanization again into Cooling is carried out after the foaming of row high temperature, wherein curing temperature is 134 DEG C, and high temperature blowing temperature is 168 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
Further, the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead Extruder feed port;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife, angle knife edge direction on fixing clamp Outside, inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of rubber and plastic insulation board, which is characterized in that including the raw material matched according to following fraction: 8-10 parts of nitrile rubber;It is poly- 8-10 parts of vinyl chloride;3.1-6 parts of vinyl chloride-vinyl acetate resin;16-18 parts of aluminium hydroxide;3.2-5 parts of carbonic acid light calcium;N5501.6-3 parts of carbon black; 52#13.5-15 parts of Lvization Shi Que;0.6-2 parts of epoxidized soybean oil;#0.6-2 parts of Macrogol 4000;0.16-1.5 parts of anti-aging agent; 0.31-1 parts of DPTT promotor;0.98-2 parts of ZDMC promotor;0.23-0.5 parts of zinc oxide;ZBS0.24-2 parts;Stearic acid 0.04-3 parts;0.28-2 parts of sulphur;8.5-10 parts of AC foaming agent;1-3 parts of antimony oxide;0.03-1 parts of antiscorching agent.
2. a kind of rubber and plastic insulation board according to claim 1, which is characterized in that including the original matched according to following fraction Material: 8 parts of nitrile rubber;8 parts of polyvinyl chloride;3.1 parts of vinyl chloride-vinyl acetate resin;16 parts of aluminium hydroxide;3.2 parts of carbonic acid light calcium;Carbon black N5501.6 parts;52#13.5 parts of Lvization Shi Que;0.6 part of epoxidized soybean oil;#0.6 parts of Macrogol 4000;0.16 part of anti-aging agent; 0.31 part of DPTT promotor;0.98 part of ZDMC promotor;0.23 part of zinc oxide;ZBS0.24 parts;0.04 part of stearic acid;Sulphur 0.28 part;8.5 parts of AC foaming agent;1 part of antimony oxide;0.03 part of antiscorching agent.
3. a kind of rubber and plastic insulation board according to claim 1, which is characterized in that including the original matched according to following fraction Material: 9 parts of nitrile rubber;9 parts of polyvinyl chloride;4.2 parts of vinyl chloride-vinyl acetate resin;17 parts of aluminium hydroxide;4 parts of carbonic acid light calcium;Carbon black N5501.8 Part;52#14 parts of Lvization Shi Que;1.5 parts of epoxidized soybean oil;#0.8 parts of Macrogol 4000;1.2 parts of anti-aging agent;DPTT promotor 0.5 part;1 part of ZDMC promotor;0.3 part of zinc oxide;ZBS1.5 parts;1.3 parts of stearic acid;0.5 part of sulphur;9 parts of AC foaming agent;Three Aoxidize 2 parts of two antimony;0.3 part of antiscorching agent.
4. a kind of preparation method of rubber and plastic insulation board according to claim 1 or 2 or 3 successively includes following process flow: Ingredient, mixing, mill, mixing, mill, extrusion, vulcanization, foaming, cooling, branding, deburring and packed products, feature exist In, specifically includes the following steps:
Step 1: ingredient;Weigh nitrile rubber, polyvinyl chloride, vinyl chloride-vinyl acetate resin, aluminium hydroxide, carbonic acid light calcium, carbon black N550, chlorine It is Hua Shi Que 52#, epoxidized soybean oil, Macrogol 4000 #, anti-aging agent, DPTT promotor, ZDMC promotor, zinc oxide, ZBS, hard Resin acid, sulphur, AC foaming agent, antimony oxide, antiscorching agent, it is spare;
Step 2: using in above-mentioned raw materials nitrile rubber, Corvic, vinyl chloride-vinyl acetate resin as major ingredient be put into kneading machine into Row is kneaded 10-15 minutes;It is spare;
Step 3: add aluminium hydroxide, carbonic acid light calcium, carbon black and make plasticizer with Lvization Shi Que 52# and epoxidized soybean oil, And it carries out mill and handles 10-15 minutes;It is spare;
Step 4: Macrogol 4000 # is then added, anti-aging agent be kneaded 10-15 minutes again;It is spare;
Step 5: AC foaming agent, antimony oxide is added;Antiscorching agent again mill at film;Again with by being put into extruder, Spout temperature is adjusted to 30 DEG C -35 DEG C first, feeding section pressure is 0.3-0.35MPa, fluxing zone vacuum degree control - 60KPa, 42-47 DEG C of fluxing zone temperature, fluxing zone pressure are adjusted to 0.5-0.8MPa, and 40-45 DEG C of temperature of head section, head pressure In 0.5-0.8MPa, extruder revolving speed is 18~20 revs/min for control, squeezes out film and is sent into vulcanizing oven;
Step 6: carrying out height again after carrying out cryogenic vulcanization under the action of stearic acid, sulphur, DPTT, ZDMC, zinc oxide, ZBS Cooling is carried out after temperature foaming, wherein curing temperature is 110 DEG C -134 DEG C, and high temperature blowing temperature is 145 DEG C -168 DEG C;
Step 7: carrying out deburring processing after stamping trade mark, finally carrying out packed products.
5. a kind of preparation method of rubber and plastic insulation board according to claim 4, which is characterized in that the deburring step are as follows:
1. gluing strip, a strip is squeezed out from extruder, frame pressing is being sent on, is cutting extra clout, really taking back and lead extrusion Machine spout;
2. by the specification of technique requirement, at sizing material band both ends with loading onto unilateral angle knife on fixing clamp, the angle knife edge towards outside, Inwards, the sizing material band both ends notch after cutting is smooth for knife-edge plane;
3. leveling gum material strip is sent into subsequent processing under the transmission of feeder.
CN201811033406.4A 2018-09-05 2018-09-05 A kind of rubber and plastic insulation board and preparation method thereof Pending CN109233021A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110655696A (en) * 2019-10-24 2020-01-07 路亚绝热材料河北有限公司 Rubber and plastic sealing strip and preparation method thereof
CN110746644A (en) * 2019-09-01 2020-02-04 亚罗斯建材(江苏)有限公司 Preparation method of fireproof rubber-plastic heat-preservation cotton
CN112143053A (en) * 2020-10-13 2020-12-29 张瑞水 Rubber-plastic foamed insulation board and preparation process thereof
CN112898703A (en) * 2021-03-05 2021-06-04 亚罗斯建材(江苏)有限公司 Anti-seismic composite material using rubber and plastic recovered particles and preparation method thereof
CN113308067A (en) * 2021-06-21 2021-08-27 赢胜节能集团有限公司 Rubber-plastic heat-insulating material for agricultural greenhouse
CN114149625A (en) * 2021-12-22 2022-03-08 惠州优比贝柠科技股份有限公司 Low-temperature-resistant plate for cold chain and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160009885A1 (en) * 2013-12-30 2016-01-14 Mbs Environmental Technology Corporation High filling and high resilience soft foaming polyethylene material and preparation method thereof
CN108384252A (en) * 2018-04-13 2018-08-10 华美节能科技集团有限公司 Antibacterial and mouldproof rubber-plastic insulating thermal insulation material and preparation method thereof
CN108424660A (en) * 2018-04-13 2018-08-21 华美节能科技集团有限公司 Without dioctyl phthalate rubber-plastic insulating thermal insulation material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160009885A1 (en) * 2013-12-30 2016-01-14 Mbs Environmental Technology Corporation High filling and high resilience soft foaming polyethylene material and preparation method thereof
CN108384252A (en) * 2018-04-13 2018-08-10 华美节能科技集团有限公司 Antibacterial and mouldproof rubber-plastic insulating thermal insulation material and preparation method thereof
CN108424660A (en) * 2018-04-13 2018-08-21 华美节能科技集团有限公司 Without dioctyl phthalate rubber-plastic insulating thermal insulation material and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110746644A (en) * 2019-09-01 2020-02-04 亚罗斯建材(江苏)有限公司 Preparation method of fireproof rubber-plastic heat-preservation cotton
CN110655696A (en) * 2019-10-24 2020-01-07 路亚绝热材料河北有限公司 Rubber and plastic sealing strip and preparation method thereof
CN112143053A (en) * 2020-10-13 2020-12-29 张瑞水 Rubber-plastic foamed insulation board and preparation process thereof
CN112898703A (en) * 2021-03-05 2021-06-04 亚罗斯建材(江苏)有限公司 Anti-seismic composite material using rubber and plastic recovered particles and preparation method thereof
CN113308067A (en) * 2021-06-21 2021-08-27 赢胜节能集团有限公司 Rubber-plastic heat-insulating material for agricultural greenhouse
CN114149625A (en) * 2021-12-22 2022-03-08 惠州优比贝柠科技股份有限公司 Low-temperature-resistant plate for cold chain and preparation method thereof

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