CN106118523A - A kind of cold-resistant insulation binder that can use in the presence of a harsh environment - Google Patents

A kind of cold-resistant insulation binder that can use in the presence of a harsh environment Download PDF

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Publication number
CN106118523A
CN106118523A CN201610473203.1A CN201610473203A CN106118523A CN 106118523 A CN106118523 A CN 106118523A CN 201610473203 A CN201610473203 A CN 201610473203A CN 106118523 A CN106118523 A CN 106118523A
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Prior art keywords
cold
minute
dehydrated alcohol
resistant
appropriate
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CN201610473203.1A
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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 CN201610473203.1A priority Critical patent/CN106118523A/en
Publication of CN106118523A publication Critical patent/CN106118523A/en
Pending legal-status Critical Current

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    • 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
    • C09J7/26—Porous or cellular plastics
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    • 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
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    • 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
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    • C09J7/38—Pressure-sensitive adhesives [PSA]
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Abstract

The invention discloses a kind of cold-resistant insulation binder that can use in the presence of a harsh environment, 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, dioctyl adipate 9 10, tricresyl phosphate 0.6 0.7, stearyl ester 68, sunflower oil 23, nanoclay 89.The product that the present invention makes can be used in the dressing of cable in severe outdoor environment, and viscosity is big, ageing-resistant, cold-resistant high temperature resistant.

Description

A kind of cold-resistant insulation binder that can use in the presence of a harsh environment
Technical field
The present invention relates to technical field of electricity, particularly relate to the wrapping of a kind of cold-resistant insulation that can use in the presence of a harsh environment Band.
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 can use in the presence of a harsh environment cold-resistant Insulating bag band.
The present invention is achieved by the following technical solutions:
A kind of cold-resistant insulation binder that can use in the presence of a harsh environment, is made up of the raw material of following weight portion: galapectite Nanotube 1.5-1.6, silane coupler kh5700.75-0.77, deionized water is appropriate, dehydrated alcohol is appropriate, lauryl sulphate acid Sodium 1.2-1.4, alkylphenol polyoxyethylene 1.4-1.5, butyl acrylate 55-60, Isooctyl acrylate monomer 40-43, isotactic poly-third Alkene 40-44, polrvinyl chloride 53-55, dibenzylidene sorbitol 3-4, dioctyl phthalate are appropriate, dioctyl adipate 9- 10, tricresyl phosphate 0.6-0.7, stearyl ester 6-8, sunflower oil 2-3, nanoclay 8-9.
Described a kind of cold-resistant insulation binder that can use in the presence of a harsh environment, 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) nanoclay is mixed with sunflower oil, put in ball mill, be heated to 40-50 DEG C, mixing and ball milling 30-40 minute, so In rear feeding double screw extruder, adding polrvinyl chloride, stearyl ester, dioctyl adipate, control extrusion temperature is 140-150 DEG C, extruding pelletization, obtain modified polyvinyl chloride master batch；
(4) modified polyvinyl chloride master batch 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, by the complex role of the compositions such as stearyl ester, sunflower oil, dioctyl adipate, improves polrvinyl chloride Temp. variation resistant performance so that the microporous membrane made possesses good toughness, will not rupture；The product made can be used in severe Dressing of cable in outdoor environment, viscosity is big, ageing-resistant, cold-resistant high temperature resistant.
Detailed description of the invention
A kind of cold-resistant insulation binder that can use in the presence of a harsh environment, is prepared system by the raw material of following weight portion (kilogram) Become: halloysite nanotubes 1.5, silane coupler kh5700.75, deionized water is appropriate, dehydrated alcohol is appropriate, lauryl sulphate acid Sodium 1.2, alkylphenol polyoxyethylene 1.4, butyl acrylate 55, Isooctyl acrylate monomer 40, isotactic polypropylene 40, polrvinyl chloride 53, dibenzylidene sorbitol 3, dioctyl phthalate be appropriate, dioctyl adipate 9, tricresyl phosphate 0.6, stearic Ester 6, sunflower oil 2, nanoclay 8.
Described a kind of cold-resistant insulation binder that can use in the presence of a harsh environment, 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) nanoclay is mixed with sunflower oil, put in ball mill, be heated to 40 DEG C, mixing and ball milling 30 minutes, it is then fed into In double screw extruder, adding polrvinyl chloride, stearyl ester, dioctyl adipate, controlling extrusion temperature is 140 DEG C, extruding pelletization, Obtain modified polyvinyl chloride master batch；
(4) modified polyvinyl chloride master batch 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. the cold-resistant insulation binder that a kind can use in the presence of a harsh environment, it is characterised in that by the raw material system of following weight portion Prepare into: halloysite nanotubes 1.5-1.6, silane coupler kh5700.75-0.77, deionized water is appropriate, dehydrated alcohol is suitable Amount, 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 3-4, dioctyl phthalate be appropriate, Dioctyl adipate 9-10, tricresyl phosphate 0.6-0.7, stearyl ester 6-8, sunflower oil 2-3, nanoclay 8-9.
A kind of cold-resistant insulation binder that can use in the presence of a harsh environment, it is characterised in that by with Lower concrete steps are made:
(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) nanoclay is mixed with sunflower oil, put in ball mill, be heated to 40-50 DEG C, mixing and ball milling 30-40 minute, so In rear feeding double screw extruder, adding polrvinyl chloride, stearyl ester, dioctyl adipate, control extrusion temperature is 140-150 DEG C, extruding pelletization, obtain modified polyvinyl chloride master batch；
(4) modified polyvinyl chloride master batch 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. ?.
CN201610473203.1A 2016-06-24 2016-06-24 A kind of cold-resistant insulation binder that can use in the presence of a harsh environment Pending CN106118523A (en)

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