CN106118526A - A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape - Google Patents

A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape Download PDF

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Publication number
CN106118526A
CN106118526A CN201610473249.3A CN201610473249A CN106118526A CN 106118526 A CN106118526 A CN 106118526A CN 201610473249 A CN201610473249 A CN 201610473249A CN 106118526 A CN106118526 A CN 106118526A
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Prior art keywords
flame
appropriate
sensitive tape
minute
dehydrated alcohol
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CN201610473249.3A
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Inventor
王喜东
琚雄
琚一雄
周建军
郜海文
张君君
陈玲
张爱华
宋志威
琚辉
琚一辉
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Hefei Deren Electronic Devices Co Ltd
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Hefei Deren Electronic Devices Co Ltd
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Priority to CN201610473249.3A priority Critical patent/CN106118526A/en
Publication of CN106118526A publication Critical patent/CN106118526A/en
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
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    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • 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
    • C08K2201/011—Nanostructured additives
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    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • 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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    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
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    • C09J2423/00—Presence of polyolefin
    • C09J2423/10—Presence of homo or copolymers of propene
    • C09J2423/106—Presence of homo or copolymers of propene in the substrate
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    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate

Abstract

The invention discloses a kind of flame-retardant smoke inhibition pore type pressure-sensitive tape, it is made up of the raw material of following weight portion: halloysite nanotubes 1.5 1.6, silane coupler kh5700.75 0.77, deionized water is appropriate, dehydrated alcohol is appropriate, sodium lauryl sulphate 1.2 1.4, alkylphenol polyoxyethylene 1.4 1.5, butyl acrylate 55 60, Isooctyl acrylate monomer 40 43, isotactic polypropylene 40 44, polrvinyl chloride 53 55, dibenzylidene sorbitol 34, dioctyl phthalate is appropriate, zinc hydroxyl stannate 34, Vermiculitum 13 14, barium sulfate 56, epoxy soybean oil 56, chlorinated paraffin 34.The pressure-sensitive tape that the present invention makes can be used for the wrapping of cable connector, insulation, and thermal diffusivity is good, intensity is high, viscosity is good, and service life is long.

Description

A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape
Technical field
The present invention relates to technical field of electricity, particularly relate to a kind of flame-retardant smoke inhibition pore type pressure-sensitive tape.
Background technology
Insulating bag band is mainly used as looping electric wire, the joint of cable, interface, in addition to for the insulation of common electrical, also Be widely used in engineering pipeline protection, in peep route protection and automotive wire bundle ties up the fields such as protection.The fabricbase of prior art is exhausted Edge adhesive tape is made up of fabricbase and rubber, Colophonium, filler coatings glue, has preferable mechanical strength and an insulation effect, but cloth Base adhesive tape is the most aging, water proofing property, poor sealing performance, and at high temperature under high pressure, the shielding properties of adhesive tape is greatly reduced, and causing cannot For more field.Existing poly-nitrogen ethylene pressure-sensitive tape is a kind of universal electric sticking tape, and it is cheap, has Excellent electric property and physical and mechanical property, electrical strength is up to 60kV/mm, and specific insulation is high, has soft and easy-to-draw The feature such as stretch, also there is the features such as excellent acid and alkali-resistance, ageing-resistant, cold-resistant and moisture-proof, be widely used in the company of alternating current-direct current electric wire Connect winding and being wrapped of insulation protection, the manufacture of electrical equipment, various wire harness and cable, its shortcoming be heatproof rank not Height, heat dispersion is poor.
" be applicable to emulsion pressure-sensitive adhesive and the manufacture method thereof of flexible PVC electric adhesive tape " article, although The advantages such as the adhesive tape softening point made is low, cohesive force strong, quick solidifying, but owing to the straight-chain molecular structure of polyacrylate determines Its performance such as thermostability and mechanical strength is not enough, in addition development of Acrylate Emulsion Pressure-Sensitive Adhesive coating and rate of drying is slow, be dried The shortcomings such as energy consumption is high and surface tension is higher make it apply to be restricted, for widening its range, improve its combination property, There is a need to polrvinyl chloride base material and acrylate pressure-sensitive adhesive are modified.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of flame-retardant smoke inhibition pore type pressure-sensitive adhesive Band.
The present invention is achieved by the following technical solutions:
A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape, is made up of the raw material of following weight portion: halloysite nanotubes 1.5- 1.6, silane coupler kh5700.75-0.77, deionized water is appropriate, dehydrated alcohol is appropriate, sodium lauryl sulphate 1.2-1.4, Alkylphenol polyoxyethylene 1.4-1.5, butyl acrylate 55-60, Isooctyl acrylate monomer 40-43, isotactic polypropylene 40-44, poly- Vinyl chloride 53-55, dibenzylidene sorbitol 3-4, dioctyl phthalate are appropriate, zinc hydroxyl stannate 3-4, Vermiculitum 13-14, Barium sulfate 5-6, epoxy soybean oil 5-6, chlorinated paraffin 3-4.
Described a kind of flame-retardant smoke inhibition pore type pressure-sensitive tape, is made up of step in detail below:
(1) ultrasonic disperse in the dehydrated alcohol of addition 30-35 times amount in galapectite is obtained suspension in 40-50 minute, then add Enter the deionized water with dehydrated alcohol equivalent and silane coupler kh570, be heated to 70-75 DEG C, after stirring is reacted 24 hours Mixture is centrifuged with the speed of 4000 revs/min, and washs to neutral, the product obtained in vacuum drying oven with 90- 100 DEG C of drying, obtain modified halloysite nanotubes；
(2) by modified halloysite nanotubes ultrasonic disperse in the deionized water of 80-85 times amount, be subsequently adding butyl acrylate, Isooctyl acrylate monomer, sodium lauryl sulphate, stir on magnetic stirrer, then heats to 80-85 DEG C, adds half The alkylphenol polyoxyethylene of amount, continuously adds remaining alkylphenol polyoxyethylene after being incubated 30-60 minute, is warming up to 90- 95 DEG C, it is cooled to room temperature after being incubated 60-90 minute, obtains modified acrylic acid emulsion；
(3) Vermiculitum is pulverized, cross 200 mesh sieves stand-by；Polrvinyl chloride is put in high speed mixer, vermiculite power, zinc hydroxyl stannate, Barium sulfate, is heated to 130-140 DEG C, mixes 5-7 minute with the speed of 1000-1200 rev/min, then passes through double screw extruder Carry out extruding pelletization, obtain flame-proof polyvinyl chloride masterbatch；
(4) flame-proof polyvinyl chloride masterbatch mixing isotactic polypropylene, step (3) obtained is put in reactor, is subsequently adding total The dioctyl phthalate of amount 3.5-4 times amount and remaining residual components, stir 60-at 180 DEG C under nitrogen protective condition Within 90 minutes, follow-up continuation of insurance temperature forms casting solution in 2-3 hour, and by knifing machine, casting solution is made Flat Membrane, and control is scraped film temperature and is 180 DEG C, finally by Thermal inactive technology, immerse 25 DEG C of solidification water-baths through Flat Membrane and be separated, then through dehydrated alcohol Extraction, obtains polypropylene polrvinyl chloride composite micro porous film after drying；
(5) modified acrylic acid emulsion coating device is uniformly coated on polypropylene polrvinyl chloride composite micro porous film surface, is put Toast 3-4 minute at 75-80 DEG C of baking oven, be subsequently placed in 40 DEG C of constant temperature ageing ovens aging 24 hours, finally cut into banding, i.e. ?.
The invention have the advantage that Thermal inactive method is applied to pressure sensitive insulating wrapping band base film by the present invention In preparation, the composite microporous thin film of polypropylene polrvinyl chloride made, the advantage having polypropylene and polrvinyl chloride concurrently, waterproof, heat-resisting Property is good, resistance to chemical attack, and porosity is moderate simultaneously, is evenly distributed, and micropore communicates with air, can form air insulation structure, Heat dispersion is excellent simultaneously；Polyacrylate dispersion is changed by the present invention also by the mode adding modified halloysite nanotubes Property, the activeness and quietness of modified halloysite nanotubes and the strong interaction with polymeric substrate thereof, so that polymer molecule Chain mobility is deteriorated so that the pressure sensitive adhesive cohesive strength made and creep-resistant property are remarkably reinforced, and the heat that improve pressure sensitive adhesive is steady Qualitative and heat-resisting quantity, has good peel strength and initial bonding strength simultaneously.
The present invention with the addition of the compositions such as Vermiculitum, hydroxyl diluted acid zinc, barium sulfate in the preparation of microporous membrane, by collaborative work With, it is possible to increase the limited oxygen index of polymer, improve the anti-flammability of polymer；The pressure-sensitive tape that the present invention makes can be used In wrapping, the insulation of cable connector, thermal diffusivity is good, intensity is high, viscosity is good, and service life is long.
Detailed description of the invention
A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape, is made up of the raw material of following weight portion (kilogram): galapectite Nanotube 1.5, silane coupler kh5700.75, deionized water is appropriate, dehydrated alcohol is appropriate, sodium lauryl sulphate 1.2, alkane Base phenol polyethenoxy ether 1.4, butyl acrylate 55, Isooctyl acrylate monomer 40, isotactic polypropylene 40, polrvinyl chloride 53, two benzal Base Sorbitol 3, dioctyl phthalate are appropriate, zinc hydroxyl stannate 3, Vermiculitum 13, barium sulfate 5, epoxy soybean oil 5, chlorination Paraffin 3.
Described a kind of flame-retardant smoke inhibition pore type pressure-sensitive tape, is made up of step in detail below:
(1) within 40 minutes, obtain suspension by galapectite adds ultrasonic disperse in the dehydrated alcohol of 30 times amount, be subsequently adding and nothing The deionized water of water-ethanol equivalent and silane coupler kh570, be heated to 70 DEG C, stirring reaction 24 hours after by mixture with The speed of 4000 revs/min is centrifuged, and washs to neutral, and the product obtained with 90 DEG C of drying, obtains in vacuum drying oven Modified halloysite nanotubes；
(2) by modified halloysite nanotubes ultrasonic disperse in the deionized water of 80 times amount, it is subsequently adding butyl acrylate, propylene Acid different monooctyl ester, sodium lauryl sulphate, stir on magnetic stirrer, then heat to 80 DEG C, adds the alkane of half amount Base phenol polyethenoxy ether, continuously adds remaining alkylphenol polyoxyethylene after being incubated 30 minutes, is warming up to 90 DEG C, is incubated 60 points It is cooled to room temperature after clock, obtains modified acrylic acid emulsion；
(3) Vermiculitum is pulverized, cross 200 mesh sieves stand-by；Polrvinyl chloride is put in high speed mixer, vermiculite power, zinc hydroxyl stannate, Barium sulfate, is heated to 130 DEG C, mixes 5 minutes with the speed of 1000 revs/min, then carries out extrusion by double screw extruder and make Grain, obtains flame-proof polyvinyl chloride masterbatch；
(4) flame-proof polyvinyl chloride masterbatch mixing isotactic polypropylene, step (3) obtained is put in reactor, is subsequently adding total Measure dioctyl phthalate and remaining residual components of 3.5 times amount, stir 60 minutes at 180 DEG C under nitrogen protective condition Follow-up continuation of insurance temperature forms casting solution in 2 hours, and by knifing machine, casting solution is made Flat Membrane, and controlling to scrape film temperature is 180 DEG C, Afterwards by Thermal inactive technology, immerse 25 DEG C of solidification water-baths through Flat Membrane and be separated, then extract through dehydrated alcohol, dry After obtain polypropylene polrvinyl chloride composite micro porous film；
(5) modified acrylic acid emulsion coating device is uniformly coated on polypropylene polrvinyl chloride composite micro porous film surface, is put Toast 3 minutes at 75 DEG C of baking ovens, be subsequently placed in 40 DEG C of constant temperature ageing ovens aging 24 hours, finally cut into banding, to obtain final product.
The insulating bag band that the present invention makes, by test, the hot strength of product more than 15 newton/centimetre, meet state Family's standard；Take appropriate amount of sample when being pasted onto on sample board, with the speed rolling three times back and forth of 300 millis m/min, deposit 30 minutes, 180 ° of peel strengths are up to state standards.

Claims (2)

1. a flame-retardant smoke inhibition pore type pressure-sensitive tape, it is characterised in that be made up of the raw material of following weight portion: Ai Luo Stone nanotube 1.5-1.6, silane coupler kh5700.75-0.77, deionized water is appropriate, dehydrated alcohol is appropriate, dodecyl sulfur Acid sodium 1.2-1.4, alkylphenol polyoxyethylene 1.4-1.5, butyl acrylate 55-60, Isooctyl acrylate monomer 40-43, isotactic gather Propylene 40-44, polrvinyl chloride 53-55, dibenzylidene sorbitol 3-4, dioctyl phthalate are appropriate, zinc hydroxyl stannate 3- 4, Vermiculitum 13-14, barium sulfate 5-6, epoxy soybean oil 5-6, chlorinated paraffin 3-4.
A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape, it is characterised in that by step in detail below Make:
(1) ultrasonic disperse in the dehydrated alcohol of addition 30-35 times amount in galapectite is obtained suspension in 40-50 minute, then add Enter the deionized water with dehydrated alcohol equivalent and silane coupler kh570, be heated to 70-75 DEG C, after stirring is reacted 24 hours Mixture is centrifuged with the speed of 4000 revs/min, and washs to neutral, the product obtained in vacuum drying oven with 90- 100 DEG C of drying, obtain modified halloysite nanotubes；
(2) by modified halloysite nanotubes ultrasonic disperse in the deionized water of 80-85 times amount, be subsequently adding butyl acrylate, Isooctyl acrylate monomer, sodium lauryl sulphate, stir on magnetic stirrer, then heats to 80-85 DEG C, adds half The alkylphenol polyoxyethylene of amount, continuously adds remaining alkylphenol polyoxyethylene after being incubated 30-60 minute, is warming up to 90- 95 DEG C, it is cooled to room temperature after being incubated 60-90 minute, obtains modified acrylic acid emulsion；
(3) Vermiculitum is pulverized, cross 200 mesh sieves stand-by；Polrvinyl chloride is put in high speed mixer, vermiculite power, zinc hydroxyl stannate, Barium sulfate, is heated to 130-140 DEG C, mixes 5-7 minute with the speed of 1000-1200 rev/min, then passes through double screw extruder Carry out extruding pelletization, obtain flame-proof polyvinyl chloride masterbatch；
(4) flame-proof polyvinyl chloride masterbatch mixing isotactic polypropylene, step (3) obtained is put in reactor, is subsequently adding total The dioctyl phthalate of amount 3.5-4 times amount and remaining residual components, stir 60-at 180 DEG C under nitrogen protective condition Within 90 minutes, follow-up continuation of insurance temperature forms casting solution in 2-3 hour, and by knifing machine, casting solution is made Flat Membrane, and control is scraped film temperature and is 180 DEG C, finally by Thermal inactive technology, immerse 25 DEG C of solidification water-baths through Flat Membrane and be separated, then through dehydrated alcohol Extraction, obtains polypropylene polrvinyl chloride composite micro porous film after drying；
(5) modified acrylic acid emulsion coating device is uniformly coated on polypropylene polrvinyl chloride composite micro porous film surface, is put Toast 3-4 minute at 75-80 DEG C of baking oven, be subsequently placed in 40 DEG C of constant temperature ageing ovens aging 24 hours, finally cut into banding, i.e. ?.
CN201610473249.3A 2016-06-24 2016-06-24 A kind of flame-retardant smoke inhibition pore type pressure-sensitive tape Pending CN106118526A (en)

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Application publication date: 20161116