CN105440703B - A kind of antimildew and antibacterial type rubber-plastic sponge - Google Patents

A kind of antimildew and antibacterial type rubber-plastic sponge Download PDF

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CN105440703B
CN105440703B CN201610001135.9A CN201610001135A CN105440703B CN 105440703 B CN105440703 B CN 105440703B CN 201610001135 A CN201610001135 A CN 201610001135A CN 105440703 B CN105440703 B CN 105440703B
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antimildew
temperature
plastic sponge
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rubber
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CN105440703A (en
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刘江洪
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Price Group Co., Ltd
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Beijing Blessed New Insulation Building Material Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • 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
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-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
    • C08J9/10—Working-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
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2391/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

No. 2 material of auxiliary addition and No. 3 material based on No. 1 material the invention discloses a kind of antimildew and antibacterial type rubber-plastic sponge, through mill mixed pressure uniformly into film, film again through natural vulcanization, extruder extrusion forming, foaming, cool, cut packaging and form；No. 1 material is made up of nitrile rubber, talcum powder, polyethylene glycol, Firebrake ZB, chlorinated paraffin, epoxidized soybean oil, carbon black, polyvinyl chloride and antiaging agent；No. 2 material are made up of dioctyl phthalate, azodicarbonamide, stearic acid, talcum powder and nitrile rubber；No. 3 material are made up of nitrile rubber, diphenylguanidine, thin base benzothiazole, talcum powder, sulfate, mantoquita and epoxide-resin glue：Material purity is more than 95%.The present invention adds sulfate and mantoquita in accessory formula, using special process so that material epidermis is tough and tensile, and air entrapment is fine and closely woven solid, and elasticity is more preferable, and thermal conductivity factor is low, in addition the smooth intrusion compacted and prevented steam and mushroom of epidermis, and antimildew and antibacterial effect is strong.

Description

A kind of antimildew and antibacterial type rubber-plastic sponge
Technical field
The present invention relates to foaming thermal-insulating technical field, and in particular to a kind of antimildew and antibacterial type rubber-plastic sponge.
Background technology
Rubber-plastic sponge be nitrile rubber, polyvinyl chloride resin, substantial amounts of fire retardant, plasticizer, foaming agent, vulcanizing agent, filler and its A kind of rubber pange insulation material of his auxiliary agent synthesis.
Improvement for cellular rubber at present is mainly paid attention in terms of increasing its insulation effect, such as Chinese invention patent application Publication No. CN103085219A (date of publication 2013.05.08) discloses a kind of rubber and plastic heat insulating products of fretting map, by routine In the extrusion stage in production procedure, increase vacuum sucking operation in extruder fluxing zone, change due to plastifying uneven influence The situation of foaming quality, thermal conductivity factor reduce, and enhance insulation effect.
Chinese invention patent application publication No. CN103951901A (date of publication 2014.07.30) discloses a kind of rubber and plastic and protected Adiabator, major ingredient and auxiliary material include nitrile rubber, polyvinyl chloride, plasticizer, fire retardant, antiaging agent, foaming agent, reinforcing agent, Activating agent, accelerator and filler.By selecting to match specific raw material, prepare with thermal conductivity factor is low, fire resistance is good And water absorption rate is low.
Rubber-plastic sponge is used for when central air-conditioning pipe system is incubated can be with extraneous humid air Long Term Contact, vapor Entered in the presence of air pressure difference through accumulating over a long period inside rubber-plastic sponge, and bacterium intrinsic in air and algae are in tide Apposition growth is very easy in wet water vapor atmosphere to go mouldy so as to produce, and is so not only reduced heat-insulating property, is destroyed insulation It material lifetime, the bacterial reproduction in indoor environment is crossed Sheng so as to influence health, while can also corrode in heat-insulation layer Portion's pipeline.
Chinese invention patent application publication No. CN102093655A (date of publication 2011.076.15) discloses a kind of nanometer PVC/NBR foaming thermal-insulatings, auxiliary material such as rubber and plastics auxiliaries, functional material, inserts etc. in composition of raw materials, wherein having using receiving Meter level, the performances such as the antibacterial of insulation material, anti-aging, anticorrosion can be improved, but nano material is expensive, and it is widely applicable Property is limited.
In view of this, it is special to propose the present invention.
The content of the invention
In order to solve the problems, such as that insulating rubber plastic antimildew and antibacterial is bad in the prior art, the invention provides a kind of new Type antimildew and antibacterial type rubber-plastic sponge, in addition to the advantage low with thermal conductivity factor, thermal and insulating performance is good, it is in antimildew and antibacterial side The advantage in face is more prominent.
Antimildew and antibacterial type rubber-plastic sponge provided by the invention, it is that auxiliary addition 2 is expected and No. 3 material based on No. 1 material, Through mill mixed pressure uniformly into film, film again through natural vulcanization, extruder extrusion forming, foaming, cool, cut packaging and Into；Wherein,
No. 1 material is by nitrile rubber, talcum powder, polyethylene glycol, Firebrake ZB, chlorinated paraffin, epoxidized soybean oil, carbon black, polychlorostyrene Ethene and antiaging agent sequentially put into banbury progress banburying and formed；
No. 2 material are by dioctyl phthalate, azodicarbonamide, stearic acid, talcum powder and nitrile rubber by successively suitable Sequence input banbury carries out banburying and formed；
No. 3 material are pressed by nitrile rubber, diphenylguanidine, thin base benzothiazole, talcum powder, sulfate, mantoquita and epoxide-resin glue Sequencing input banbury carries out banburying and formed；
Every kind of composition of each raw material above, its purity is by percentage to the quality more than 95%.No. 2 material and No. 3 material add Dosage is not especially limited, can according to produced No. 1 material Product checking result and to the quality requirements of final products come It is determined that the two addition.
The sulfate is by sulfate ion (SO42-) with other metal ions composition compound, be all electrolyte, It is a variety of including calcium sulfate, barium sulfate, ferrous sulfate, copper sulphate, alum, sodium sulphate, aluminum sulfate etc..Present invention preferably uses Barium sulfate, optimal with other materials compatibilities, natural barium sulfate is also referred to as barite.
The mantoquita is the general name for the salt that all cations are copper ion, and the wherein chemical valence of copper ion shows+divalent, copper The chemical property of salt is embodied on copper ion.Conventional mantoquita can be used in the present invention such as copper sulphate, copper chloride, but it is excellent Choosing uses copper sulphate, optimal with other materials compatibilities.
Sulfate and mantoquita form with that can cooperate with suppression under the immixture of other raw material and kill bacterium in formula A kind of brand-new rubber and plastic flexible foam insulating product.The strict charging sequence for controlling various raw materials in production process simultaneously, With reference to above-mentioned special formula, not only make material epidermis more tough and tensile, and the more fine and closely woven also more tough and tensile elasticity of air entrapment More preferably, smooth compact of epidermis has largely prevented the intrusion of steam and mushroom.So as to play a part of antimildew and antibacterial.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, nitrile rubber, talcum powder, polyethylene glycol, boric acid Zinc, chlorinated paraffin, epoxidized soybean oil, carbon black, the mass ratio of polyvinyl chloride and antiaging agent are：20∶6∶0.6∶4.5∶22∶25∶ 0.5∶10∶0.2。
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, during No. 1 143~147 DEG C of mixing temperature of material, then enter Row mill mixed pressure 15 minutes, film thickness 15mm, wide 650mm, long 850mm.When internally mix temperature is in the range of 143~147 DEG C, formula In all raw material can be completely in more than fusing point and will not be too high, merge into each other more fully, improve each raw material and play Its due performance.Begin to pratise and be commonly called as moulding, ensure that the regular hour is advantageous to prevent that film is excessively soft and then leads during moulding The problem of causing material skewness insufficient, but if moulding overlong time, can make film really up to the mark again, cause foaming precocious existing As so the time must be controlled when high temperature internally mix and moulding are begun to pratise is only key.With 143~147 DEG C of mixing temperature The mill time with 15 minutes is optimal.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, o-phthalic acid dibutyl ester, azodicarbonamide, The mass ratio of stearic acid, talcum powder and nitrile rubber is：1.2∶13∶0.3∶0.9∶2.No. 2 material (i.e. auxiliary material) in proportioning except Outside the problems such as considering each feedstock property and amalgamation, it is also contemplated that its regulatory function for No. 1 material, No. 1 material (namely black glue Piece) produce after can according to use when ambient temperature and put the time length, then by add No. 2 material change its data Value, the performance for adjusting final products reach antimildew and antibacterial function.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, No. 2 118~122 DEG C of mixing temperatures of material.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, nitrile rubber, diphenylguanidine, base benzothiazole, cunning are dredged Stone flour, sulfate, the mass ratio of mantoquita and epoxide-resin glue are：2.5∶0.5∶0.3∶0.9∶2∶3∶1.The use of sulfate and mantoquita Amount proportioning is suitable, disclosure satisfy that and is neither mutually rushed with other raw materials, and and can, which mutually acts synergistically, plays its antibacterial, mould proof effect.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, the mill time is 10~15 minutes, sulphurite It is 48 hours to change the time.The length of mill time directly influences the steady quality factor of film, because film is by moulding Also there is certain temperature after cutting out bar, therefore can not be directly using having to pass through a period of time sulfidation.If film natural vulcanization Time is more than or equal to 48 hours, can effectively reduce waste product occurrence rate in production.It is wherein optimal with 48 hours, it can complete to vulcanize Process saves the production time again.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, extruder temperature is set as：Feeding section 39~41 DEG C, extrusion screw rod temperature is 29~31 DEG C, and head temperature is 39~41 DEG C.There is certain degree of hardness by the film of natural vulcanization, because This, extruder feeding section (i.e. one section) temperature is set in 40 DEG C or so mild heats and is more prone to slowly for film to be sent into extrusion Machine.For extruder extrusion screw rod temperature (i.e. two sections) for the plasticizing phase, it is necessary to reduce temperature, cross-head (i.e. three sections) is shaping Area, should be by film hot briquetting again, so lifting temperature again.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, vavuum pump is opened after the extrusion discharging of extruder, Vacuum pump pressure is -60~-70KPa.Because air is ubiquitous, film can internally band in internally mix, mixing, feeding procedure Enter certain air, if these air are not excluded for that product foaming can be caused excessive, without elasticity, lose heat-insulating property.Utilize Though vavuum pump lifts cost after siphoning away air, unit weight is added, product bubble is finer and closely woven, uniform, elastic more preferable, vacuum It is optimal that pump pressure is arranged to -65KPa.
Preferably, in above-mentioned antimildew and antibacterial type rubber-plastic sponge, the foaming is carried out in an oven, and baking box is divided into eight Area, ± 1 DEG C of 120 DEG C of area's temperature, two 124~126 DEG C of area's temperature, three 129~131 DEG C of area's temperature, four area's temperature 134~136 DEG C, five 139~141 DEG C of area's temperature, six 159~161 DEG C of area's temperature, seven 179~181 DEG C of area's temperature, film passes through the area of baking box eight Just formed afterwards and closed bubble rubber-plastic sponge product.The extruded machine plasticizing of film, is sent into the area of infrared ray foaming furnace one after heating shaping, Whole production line is made up of eight heating zones, and temperature is also not quite similar, and temperature is higher more rearward, and film will be in the form of progressive Slowly driven by roller, slowly heated.If temperature lifting is not arrived into certain value first, and after setting, not only can not produce The product of good quality, the appearance of waste product can be also caused, heating-up temperature be set using above-mentioned subregion, stepped heating can be more efficient Ground avoids this problem.
Compared with prior art, the invention has the advantages that：
The present invention is well-designed on composition of raw materials, mainly passes through the mixing of sulfate and mantoquita and other raw material, association With producing stronger suppression and killing the effect of bacterium, a kind of brand-new rubber and plastic flexible foam insulating product is formd.Because should With special formula and technique, not only make material epidermis more tough and tensile, and the more fine and closely woven also more tough and tensile bullet of air entrapment Property is more preferable, and thermal conductivity factor is low, and smooth compact of epidermis has largely prevented the intrusion of steam and mushroom.It is anti-so as to play The effect of mould antibacterial.
Embodiment
With reference to particular preferred embodiment, the invention will be further described, to help present disclosure is understood.
Embodiment 1
(1) No. 1 material formula：Nitrile rubber 20kg, talcum powder 6kg, polyethylene glycol 0.6kg, Firebrake ZB 4.5kg, chlorination stone Wax 22kg, epoxidized soybean oil 25kg, carbon black 0.5kg, polyvinyl chloride 10kg, antiaging agent 0.2kg.
9 kinds of raw materials, which are sequentially put into, by more than carries out banburying in hot Banbury, treat that temperature reaches 145 DEG C ± 2 DEG C, open floating weight and open feed bin and pour into mill mixed pressure 15 minutes, be pressed into film and be classified as No. 1 material, film thickness 15mm, Wide 650mm, long 850mm, order for use later after cooling.
(2) No. 2 material formulas：Dioctyl phthalate 1.2kg, azodicarbonamide 13kg, stearic acid 0.3kg, talcum Powder 0.9kg, nitrile rubber 2kg.
Above-mentioned raw materials material is sequentially put into 120 DEG C ± 2 DEG C of banbury and carries out banburying, and mill mixed pressure 20 divides It is bell into expanded polystyrene sheet, be cut into film and be classified as No. 2 material, film thickness 10mm, wide 500mm, long 800mm, piled up after cooling neat standby With.
(3) No. 3 material formulas：Nitrile rubber 2.5kg, diphenylguanidine 0.5kg, base benzothiazole 0.3kg, talcum powder 0.9kg are dredged, Barium sulfate 2kg, copper sulphate 3kg, epoxide-resin glue 1kg, sequentially put into 120 DEG C ± 2 DEG C of banbury carry out it is close Refining 20 minutes, then discharges onto mill, is kneaded and rolls into film in 20 minutes, is cut into film and is classified as No. 3 material, film thickness 10mm, Wide 500mm, long 800mm, order for use later after cooling.
Respectively by No. 1 material, No. 2 material, No. 3 material mixed pressures in mill are uniform, and mixed pressure cannot be below 10 minutes, must not exceed 15 minutes, it was 12mm that thickness is cut into when film has certain elasticity and hardness, and width is 100mm adhesive tape, places and air-dries car Between natural vulcanization 48 hours.
Then adhesive tape is fed in vacuum-extruder, vacuum-extruder needs temperature being increased to 40 DEG C ± 1 DEG C before starting, spiral shell Bar temperature reaches 30 DEG C ± 1 DEG C, and head temperature reaches 40 DEG C ± 1 DEG C, opens vavuum pump after extrusion discharging, vacuum pump pressure is set It is set to -65KPa, and extruder rotating speed is set to 30 turns per minute, film is squeezed into three sections of plasticizings of extruder through extrusion die Type, be sent into roller type foaming furnace after carry out high temperature foaming, now the area's temperature of baking box one of roller type foaming furnace be set as 120 DEG C ± 1 DEG C, two area's temperature set 125 DEG C ± 1 DEG C, and three area's temperature set 130 DEG C ± 1 DEG C, and four area's temperature set 135 DEG C ± 1 DEG C, 5th area Temperature sets 140 DEG C ± 1 DEG C, and six area's temperature set 160 DEG C ± 1 DEG C, and seven area's temperature set 180 DEG C ± 1 DEG C, and film passes through baking box Just formed behind 8th area and closed bubble rubber-plastic sponge product, then passed through back the area's wind cooling temperature lowerings of Liang Duan mono-, two area's Temperature falls, 3rd area are air-cooled Cooling, cut machine are sized cutting, finished product of packing.
Products obtained therefrom epidermis is smooth, compacts, be tough and tensile, and air entrapment is fine and closely woven, tough and tensile, elasticity is good, and product thermal conductivity factor is low, thing Property detection data referring to table 1.
Its anti-microbial property is detected through national building materials test center, examination criteria QB/T2591-2003, examined It is as follows to survey result：
Table 1
Above-mentioned finished product is subjected to performance detection.
Examination criteria：
7.1：It is 93.67% to detect anti-ETEC result, and anti-Staphylococcus aureus result is 92.58%, is resisted 1 grade of standard of Pseudomonas country.
7.2：Vestige growth, naked eyes visible growth are detected, but grows area and is less than 10%, mould proof 1 grade of mark of detection category country It is accurate.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

  1. A kind of 1. antimildew and antibacterial type rubber-plastic sponge, it is characterised in that it is that auxiliary addition 2 is expected and No. 3 material based on No. 1 material, Through mill mixed pressure uniformly into film, film again through natural vulcanization, extruder extrusion forming, foaming, cool, cut packaging and Into；Wherein,
    No. 1 material is by nitrile rubber, talcum powder, polyethylene glycol, Firebrake ZB, chlorinated paraffin, epoxidized soybean oil, carbon black, polyvinyl chloride Banbury progress banburying is sequentially put into antiaging agent, natural vulcanization forms；
    No. 2 material are sequentially thrown by dioctyl phthalate, azodicarbonamide, stearic acid, talcum powder and nitrile rubber Enter banbury progress banburying to form；
    No. 3 material are by nitrile rubber, diphenylguanidine, thin base benzothiazole, talcum powder, barium sulfate, copper sulphate and epoxide-resin glue by first Order input banbury progress banburying afterwards forms；
    Every kind of composition of each raw material above, its purity is by percentage to the quality more than 95%.
  2. 2. antimildew and antibacterial type rubber-plastic sponge according to claim 1, it is characterised in that nitrile rubber, talcum in No. 1 material Powder, polyethylene glycol, Firebrake ZB, chlorinated paraffin, epoxidized soybean oil, carbon black, the mass ratio of polyvinyl chloride and antiaging agent are：20: 6:0.6:4.5:22:25:0.5:10:0.2。
  3. 3. antimildew and antibacterial type rubber-plastic sponge according to claim 1 or 2, it is characterised in that No. 1 material mixing temperature 143 ~ At 147 DEG C, then carry out mill mixed pressure 15 minutes, film thickness 15mm, wide 650mm, long 850mm.
  4. 4. antimildew and antibacterial type rubber-plastic sponge according to claim 1, it is characterised in that the phthalic acid two in No. 2 material Pungent fat, azodicarbonamide, stearic acid, the mass ratio of talcum powder and nitrile rubber are：1.2:13:0.3:0.9:2.
  5. 5. the antimildew and antibacterial type rubber-plastic sponge according to claim 1 or 4, it is characterised in that No. 2 material mixing temperatures 118 ~ 122℃。
  6. 6. antimildew and antibacterial type rubber-plastic sponge according to claim 1, it is characterised in that nitrile rubber, hexichol in No. 3 material Guanidine, the mass ratio for dredging base benzothiazole, talcum powder, barium sulfate, copper sulphate and epoxide-resin glue are：2.5:0.5:0.3:0.9:2: 3:1。
  7. 7. the antimildew and antibacterial type rubber-plastic sponge according to claim 1 or 6, it is characterised in that the mill time is 10 ~ 15 Minute, the natural vulcanization time is more than 48 hours.
  8. 8. antimildew and antibacterial type rubber-plastic sponge according to claim 1, it is characterised in that extruder temperature is set as：Feeding 39 ~ 41 DEG C of section, extrusion screw rod temperature are 29 ~ 31 DEG C, and head temperature is 39 ~ 41 DEG C.
  9. 9. antimildew and antibacterial type rubber-plastic sponge according to claim 8, it is characterised in that opened after the extrusion discharging of extruder Vavuum pump is opened, vacuum pump pressure is -60 ~ -70KPa.
  10. 10. antimildew and antibacterial type rubber-plastic sponge according to claim 1, it is characterised in that the foaming is carried out in an oven, Baking box is divided into 8th area, ± 1 DEG C of 120 DEG C of area's temperature, two 124 ~ 126 DEG C of area's temperature, three 129 ~ 131 DEG C of area's temperature, four area's temperature 134 ~ 136 DEG C, five 139 ~ 141 DEG C of area's temperature, six 159 ~ 161 DEG C of area's temperature, seven 179 ~ 181 DEG C of area's temperature, film passes through baking box Just formed behind 8th area and closed bubble rubber-plastic sponge product.
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CN109825031A (en) * 2017-09-04 2019-05-31 孙静洁 A kind of mould proof sponge material
CN108752670A (en) * 2018-05-31 2018-11-06 河北神州保温建材集团有限公司 A kind of rubber plastic blend expanded material and preparation method thereof
CN111808337A (en) * 2020-06-16 2020-10-23 普莱斯德集团股份有限公司 Open-cell type rubber and plastic foaming filter cotton
CN112322052A (en) * 2020-11-05 2021-02-05 赢胜节能集团有限公司 High-elasticity closed-foam rubber-plastic product for automobile air conditioner

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CN103102533A (en) * 2013-01-31 2013-05-15 河北华美化工建材集团有限公司 High flame retardancy type soft foam plastic insulation product and preparation method thereof
CN103819839A (en) * 2013-11-21 2014-05-28 江苏兆胜建材有限公司 Halogen-free rubber and plastic product and preparation method thereof
CN103819838A (en) * 2013-11-21 2014-05-28 江苏兆胜建材有限公司 Antibacterial rubber-plastic product and preparation method thereof

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CN103102533A (en) * 2013-01-31 2013-05-15 河北华美化工建材集团有限公司 High flame retardancy type soft foam plastic insulation product and preparation method thereof
CN103819839A (en) * 2013-11-21 2014-05-28 江苏兆胜建材有限公司 Halogen-free rubber and plastic product and preparation method thereof
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