CN108329857A - A kind of single side non-flammable adhesive tape and preparation method thereof - Google Patents
A kind of single side non-flammable adhesive tape and preparation method thereof Download PDFInfo
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- CN108329857A CN108329857A CN201810090460.6A CN201810090460A CN108329857A CN 108329857 A CN108329857 A CN 108329857A CN 201810090460 A CN201810090460 A CN 201810090460A CN 108329857 A CN108329857 A CN 108329857A
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- adhesive tape
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- 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
- 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
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- 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
- 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
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
- C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
-
- 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
- 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
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/28—Presence of paper
- C09J2400/283—Presence of paper in the substrate
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- 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
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
- C09J2479/086—Presence of polyamine or polyimide polyimide in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention belongs to the tape technology fields in electronic product, and in particular to a kind of single side non-flammable adhesive tape and preparation method thereof.The single side non-flammable adhesive tape, including substrate layer, be arranged the base material layer surface gluing oxidant layer and the release material layer in the adhesive layer side is set, the raw material of the gluing oxidant layer include polyacrylate, curing agent, the first fire retardant, the second fire retardant and solvent, it is solid under the first fire retardant room temperature, is liquid under the second fire retardant room temperature.The preparation method includes mixed glue, coating, compound winding and curing.Compared with prior art, the present invention has the following advantages：The gluing oxidant layer includes two kinds of phosphorus flame retardants, and low-smoke low-toxicity, phosphorus content is high, and the flame retardant effect having had, technical solution provided by the invention requires high adhesive tape finished product suitable for flame retardant rating；Mixed glue process is simple, and general coating process can be achieved, and has the characteristics that produce in enormous quantities and stability produces.
Description
Technical field
The invention belongs to the tape technology fields in electronic product, and in particular to a kind of single side non-flammable adhesive tape and its preparation side
Method.
Background technology
Modern society is higher and higher to flame retardant property and the security performance requirement of high molecular material, especially electronic product,
High flame retardant effect is not required nothing more than, also requires safety nuisance free.In real life, the very big factor of people's death of fire is this
A little high molecular material flame retardant ratings are poor, and a large amount of dense smoke and toxic gas are generated in combustion process.Therefore, it is necessary to develop resistance
Grade height is fired, the high molecular material of even smokeless, the less toxic even mist degree gas of few cigarette is generated in combustion process.
Adhesive tape is common high molecular material in daily life, is even more to be widely used in electronic product, such as mobile phone
Battery package one-faced tapes used, usually require high-grade flame retardant property.Especially explode in Samsung mobile phone in 2016
After event, on the one hand requires battery supplier to ensure the security and stability of battery, on the other hand also require battery package glue
Band ensures high temperature tolerance and anti-flammability to cope with battery issuable heating problem in use.
Invention content
The present invention provides a kind of single side non-flammable adhesive tapes and preparation method thereof, to solve current high-grade anti-flammability adhesive tape
The problem of missing.
In order to solve the above-mentioned technical problem, the technical scheme is that：The single side non-flammable adhesive tape, including substrate layer,
Be arranged the base material layer surface gluing oxidant layer and the release material layer in the adhesive layer side, the gluing oxidant layer are set
Raw material include polyacrylate, curing agent, the first fire retardant, the second fire retardant and solvent, the first fire retardant room temperature
It is solid down, is liquid under the second fire retardant room temperature.Include solid flame retardant using the fire retardant of compounding in adhesive
And liquid flame retardant, when needing to obtain high-level flame retardant effect, amount of flame-retardant agent is larger, and single solid flame retardant in this way applies
There are open defects for the glue surface of cloth, if single liquid fire retardant, there is a problem of causing performance steady in a long-term because of migration.
Optionally, first fire retardant is diethyl hypo-aluminum orthophosphate, and second fire retardant is the bis- (diphenyl of bisphenol-A-
Phosphate).The diethyl hypo-aluminum orthophosphate is powdered substance, other than with outstanding flame retardant effect, also has anti-move
Move property it is good, be soluble in the organic solvents such as toluene, technique applicability is good, it is good with polyacrylate polymers compatibility the features such as, because
This can ensure preferably to be coated with glue surface and comprehensive performance；The bisphenol-A-bis- (diphenyl phosphoesters) is liquid, table
Face good flame retardation effect, and it is good with polyacrylate polymers compatibility, it ensure that equilibrium and the stability of gluing system.Two kinds
Phosphorus flame retardant, low-smoke low-toxicity, phosphorus content is high, the flame retardant effect having had.
Optionally, the proportioning of each component by weight is as follows in the raw material of the gluing oxidant layer：
Optionally, the number-average molecular weight 70-100 ten thousand of the polyacrylate, acid value<10mgKOH/g；The curing agent is
Aromatic epoxies class curing agent, preferably epoxidation m-xylene diamine (GA240)；The solvent is ethyl acetate.
Optionally, the thickness of the substrate layer is 12.5-50 μm, and the thickness of the gluing oxidant layer is 20-60 μm.
Optionally, the material of the substrate layer is fire retardant polyethylene terephthalate (PET) film, polyimides
(PI) film or aramid paper.
Optionally, the raw material of the release material layer are that single side is release or two-sided release, be polyester release film or stationery from
The off-type force of proximate matter, the release material layer is 8~30gf/inch, preferably 8~12gf/inch.
The present invention also provides the preparation methods of above-mentioned single side non-flammable adhesive tape, include the following steps：
1) glue is mixed：By in the gluing oxidant layer raw material polyacrylate, the first fire retardant, the second fire retardant is in solvent
Middle mixing, mixing speed 300-500rpm, mixing time 30-50min, then reduction of speed to 80-120rpm, will dissolve
In curing agent addition system in a solvent, restore to 300-500rpm mixing speeds, continues to stir 20-30min；
2) it is coated with：Under comma roller effect, it is coated in the layer upper surface of release material, is used in combination by adhesive is obtained in step 1)
Baking oven toasts；
3) compound winding：Product will be obtained in step 2) and base material is compound, winding obtains single side non-flammable adhesive tape parent roll；
4) it cures：The parent roll that step 3) obtains is cured, condition is to cure 3 at being cured seven days or 40 DEG C at 23 DEG C
It.
Optionally, in the step 1), curing agent in a solvent is dissolved, the volume ratio of curing agent and solvent is 1:9.
Optionally, in the step 2), using filtration system for glue, filter size is 20-50 μm.
Optionally, in the step 3), the surface energy of the base material is in 54dyn/cm or more.It, can if raw material are not achieved
It is surface-treated to improve surface energy, such as sided corona treatment etc..
Compared with prior art, the present invention has the following advantages：The gluing oxidant layer includes two kinds of phosphorus flame retardants, low cigarette
Low toxicity, phosphorus content is high, and the flame retardant effect having had, in addition two kinds of fire retardants are solid and liquid substance respectively, and this compounding makes
With the flame retardant effect that can ensure that, and the mobility that overcomes single form fire retardant that can not overcome is high or construction effect difference etc. is asked
Topic, technical solution provided by the invention require high adhesive tape finished product suitable for flame retardant rating；Mixed glue process is simple, general coating
Technique can be achieved, and has the characteristics that produce in enormous quantities and stability produces.
Description of the drawings
Fig. 1 is the structural schematic diagram of single side non-flammable adhesive tape of the present invention.
As shown in the figure：1- substrate layers, 2- gluings oxidant layer, the release material layers of 3-.
Specific implementation mode
In order to make it easy to understand, illustrating single side non-flammable adhesive tape with reference to embodiment, it should be appreciated that these embodiments are only used for
It is bright the present invention rather than limit the scope of the invention.
Raw materials in the present invention are then commercial goods unless otherwise instructed.
As shown in Figure 1, the single side non-flammable adhesive tape, including substrate layer 1, adhesive on 1 surface of the substrate layer is set
2 and the release material layer 3 on 2 surface of gluing oxidant layer is arranged in layer.
The single side non-flammable adhesive tape of each embodiment, is illustrated by preparation process respectively.
Embodiment 1
1) glue is mixed：
The solvent type polyacrylate of 75kg (number-average molecular weight be 900,000, acid value 6mgKOH/g) is molten with 160kg
Agent ethyl acetate dilutes, and high speed dispersor is used to stir 20min with 400rpm, and reduction of speed to 100rpm is fire-retardant by what is prepared in advance
Agent solution (13kg diethyl hypo-aluminum orthophosphate and the mixing of 12kg bisphenol-As-bis- (diphenyl phosphoesters) and 65kg ethyl acetate) is added
In system, continue with the speed high-speed stirred 20min of 400rpm, then reduction of speed to 100rpm, the solidification that will finally prepare in advance
Agent solution (0.5kg GA240 curing agent and the mixing of 4.5kg ethyl acetate) is poured at leisure in above-mentioned system, and resume speed is extremely
400rpm continues to stir 30min, stops stirring, set aside for use；
2) it is coated with：
Select off-type force for 36 μm of single side polyester release films of 8~12gf/inch, the filter system for being 20 μm by size
System is for glue, in the adhesive that the layer upper surface of polyester release film is prepared with the step 1) of comma roller 24 μ m thicks of coating, by highest
The tunnel oven that temperature is 100 DEG C is dried；
3) compound winding：
First by the Flame-retardant PET base material of 36 μ m thicks use sided corona treatment, so that its surface energy is reached 58dyn/cm, then with step
Product after rapid 2) baking is compound, winds and single side non-flammable adhesive tape parent roll is made；
4) it cures：
Then the parent roll of step 3) is put into curing 3 days in 40 DEG C of constant temperature ovens, can be obtained adhesive tape sample after the completion of curing
Product.
Embodiment 2
1) glue is mixed：
The solvent type polyacrylate of 70kg (number-average molecular weight be 1,000,000, acid value 9mgKOH/g) is used into 370kg solvents
Ethyl acetate dilutes, and high speed dispersor is used to stir 20min with 400rpm, and reduction of speed to 100rpm is fire-retardant by what will be prepared in advance
Agent solution (10kg diethyl hypo-aluminum orthophosphate and the mixing of 15kg bisphenol-As-bis- (diphenyl phosphoesters) and 50kg ethyl acetate) is added
In system, continue with the speed high-speed stirred 20min of 400rpm, then reduction of speed to 100rpm, the solidification that will finally prepare in advance
Agent solution (0.8kg GA240 curing agent and the mixing of 7.2kg ethyl acetate) is poured at leisure in above-mentioned system, and resume speed is extremely
400rpm continues to stir 30min, stops stirring, set aside for use；
2) it is coated with：
Select off-type force for 25 μm of single side polyester release films of 8~12gf/inch, the filter system for being 20 μm by size
System is for glue, in the adhesive that the layer upper surface of polyester release film is prepared with the step 1) of comma roller 18 μ m thicks of coating, by highest
The tunnel oven that temperature is 100 DEG C is dried；
3) compound winding：
First by the PI base materials of 12.5 μ m thicks use sided corona treatment, so that its surface energy is reached 54dyn/cm, then with step
2) product after toasting is compound, winds and single side non-flammable adhesive tape parent roll is made；
4) it cures：
Then the parent roll of step 3) is put into curing 3 days in 40 DEG C of constant temperature ovens, can be obtained adhesive tape sample after the completion of curing
Product.
Embodiment 3
1) glue is mixed：
The solvent type polyacrylate of 80kg (number-average molecular weight be 700,000, acid value 4mgKOH/g) is used into 100kg solvents
Ethyl acetate dilutes, and high speed dispersor is used to stir 20min, reduction of speed to 100rpm, the fire retardant that will be prepared in advance with 400rpm
Body is added in solution (15kg diethyl hypo-aluminum orthophosphate and the mixing of 10kg bisphenol-As-bis- (diphenyl phosphoesters) and 75kg ethyl acetate)
In system, continue with the speed high-speed stirred 20min of 400rpm, then reduction of speed to 100rpm, the curing agent that will finally prepare in advance
Solution (0.3kg GA240 curing agent and the mixing of 2.7kg ethyl acetate) is poured at leisure in above-mentioned system, and resume speed is extremely
400rpm continues to stir 30min, stops stirring, set aside for use；
2) it is coated with：
The two-sided PE laminations release paper that off-type force is 110g for the grammes per square metre of 8~12gf/inch is selected, is 50 μm by size
Filter system for glue, adhesive prepared by the step 1) of 60 μ m thicks is coated in layer upper surface comma roller, by the highest temperature
Degree is dried for 100 DEG C of tunnel oven；
3) compound winding：
Product after the aramid fiber paper base material of 50 μ m thicks is toasted with step 2) is compound, winds and single side non-flammable adhesive tape mother is made
Volume；
4) it cures：
Then the parent roll of step 3) is put under 23 DEG C or so room temperature and is cured 7 days, can be obtained adhesive tape sample after the completion of curing
Product.
4 performance test of embodiment
4.1 peeling force
Basic test condition is as shown in table 1 below：
Table 1
4.2. retentivity
Basic test condition is as shown in table 2 below：
Table 2
4.3. anti-flammability (standard of laboratory simulation UL94VTM-0)
Basic test process is as described below：Sample size is 200mm long * 50mm wide, and it is big that batten is rolled into diameter before test
It is approximately the cylinder of 12.7mm, and places a wheal at away from one end 125mm.When test, holds or clamped with tweezers and done note
Number one end, be disposed vertically, burnt cylindric sample with 45° angle with lighter (medium flare), firing duration 3s is removed
Burning things which may cause a fire disaster records specimen extinguishes time t1；Then second of burning in the same way removes burning things which may cause a fire disaster and records fall time t2。
4.4. resistance to migration
Sample is placed on aging 1 month in 40 DEG C of baking ovens, then assesses peeling force and retentivity.
4.5 test result
Test result summarizes as shown in table 3：
Table 3
1 product design of comparative example and manufacturing process do not use any fire retardant with embodiment 1；
2 product design of comparative example and manufacturing process are with embodiment 2, but it is bis- (diphenyl phosphoester) to only use bisphenol-A-；
3 product design of comparative example and manufacturing process only use diethyl hypo-aluminum orthophosphate with embodiment 3.
The experimental results showed that：Sample in 1~embodiment of embodiment 3 shows good flame retardant property and resistance to migration
Energy.Embodiment 1 uses the PET material of flame retardant property raising after addition fire retardant, and that embodiment 2 and 3 uses is PI respectively
And aramid paper, the two materials itself do not do the flame retardant effect that any processing has just had；Improved by adding fire retardant
Adhesive low-smoke low-toxicity, solid and liquid substance are used in compounding in combustion, the flame retardant effect being optimal and anti-move
Move performance.
Corresponding, comparative example 1 is without using any fire retardant, although base material is Flame-retardant PET, adhesive does not hinder
Combustion, the long and is the sample completely burned in flame retardant test；It is bis- (diphenyl phosphoester) that comparative example 2 only uses bisphenol-A-, complete
It is liquid combustion inhibitor entirely, glue surface, flame retardant effect etc. are fine, but liquid small molecule greatly reduces the plasticization of adhesive
The cohesive force of adhesive, and with the extension of time, liquid small molecule migrates, seriously affect the basic nature of adhesive
Energy；Comparative example 3 only uses diethyl hypo-aluminum orthophosphate, is entirely solid-state fire retardant, and the basic performance of flame retardant effect and adhesive is very
Good, but processing performance is bad, it is rough to be clearly visible glue surface in coating process, and starved and few tree lace item frequent occurrence
The defects of the case where.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment, either which part or all technical features are equal
It replaces, and these modifications or substitutions, the model for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of single side non-flammable adhesive tape, which is characterized in that including substrate layer, be arranged the base material layer surface gluing oxidant layer and
Release material layer in the adhesive layer side is set, and the raw material of the gluing oxidant layer include polyacrylate, curing agent,
One fire retardant, the second fire retardant and solvent are solid under the first fire retardant room temperature, are liquid under the second fire retardant room temperature
Body.
2. single side non-flammable adhesive tape according to claim 1, which is characterized in that first fire retardant is diethyl hypophosphorous acid
Aluminium, second fire retardant are that bisphenol-A-is bis- (diphenyl phosphoester).
3. single side non-flammable adhesive tape according to claim 1, which is characterized in that each component is pressed in the raw material of the gluing oxidant layer
The proportioning of weight meter is as follows：
4. single side non-flammable adhesive tape according to claim 1, which is characterized in that the number-average molecular weight 70- of the polyacrylate
1000000, acid value<10mgKOH/g；The curing agent is aromatic epoxies class curing agent, preferably epoxidation m-xylene diamine
(GA240)；The solvent is ethyl acetate.
5. single side non-flammable adhesive tape according to claim 1, which is characterized in that the thickness of the substrate layer is 12.5-50 μm, institute
The thickness for stating gluing oxidant layer is 20-60 μm.
6. single side non-flammable adhesive tape according to claim 1, which is characterized in that the material of the substrate layer is fire-retardant poly- to benzene two
Formic acid glycol ester film, Kapton or aramid paper.
7. single side non-flammable adhesive tape according to claim 1, which is characterized in that the raw material of the release material layer are that single side is release
Or it is two-sided release, it is polyester release film or the release material of stationery, the off-type force of the release material layer is 8~30gf/inch, preferably 8
~12gf/inch.
8. the preparation method of any single side non-flammable adhesive tapes of claim 1-7, which is characterized in that include the following steps：
1) glue is mixed：Polyacrylate, the first fire retardant, the second fire retardant in the gluing oxidant layer raw material is mixed in a solvent
Stirring is closed, mixing speed 300-500rpm, mixing time 30-50min, then reduction of speed to 80-120rpm, is dissolved in molten
In curing agent addition system in agent, restore to 300-500rpm mixing speeds, continues to stir 20-30min；
2) it is coated with：Under comma roller effect, it is coated on adhesive is obtained in step 1) in the layer upper surface of release material, baking oven is used in combination
Baking；
3) compound winding：Product will be obtained in step 2) and base material is compound, winding obtains single side non-flammable adhesive tape parent roll；
4) it cures：The parent roll that step 3) obtains is cured, condition is to be cured 3 days at being cured seven days or 40 DEG C at 23 DEG C.
9. the preparation method of single side non-flammable adhesive tape according to claim 8, which is characterized in that in the step 2), used
For filter system for glue, filter size is 20-50 μm.
10. the preparation method of single side non-flammable adhesive tape according to claim 8, which is characterized in that in the step 3), the base
The surface energy of material is in 54dyn/cm or more.
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| CN201810090460.6A CN108329857A (en) | 2018-01-30 | 2018-01-30 | A kind of single side non-flammable adhesive tape and preparation method thereof |
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| CN201810090460.6A CN108329857A (en) | 2018-01-30 | 2018-01-30 | A kind of single side non-flammable adhesive tape and preparation method thereof |
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| CN110343479A (en) * | 2019-07-23 | 2019-10-18 | 新纶科技（常州）有限公司 | A kind of non-flammable adhesive tape and preparation method thereof with high-temperature discoloration warning function |
| CN110343473A (en) * | 2019-07-23 | 2019-10-18 | 新纶科技（常州）有限公司 | Fire-retardant easy-to-draw adhesive tape of one kind and preparation method thereof |
| CN111019589A (en) * | 2019-12-11 | 2020-04-17 | 格丽泰新材料科技（苏州）有限公司 | Two-component polyurethane adhesive, preparation method thereof and application thereof in soft package battery |
| CN112048256A (en) * | 2020-08-24 | 2020-12-08 | 苏州萍升源电子科技有限公司 | Production process of flame-retardant adhesive tape |
| EP3822329A1 (en) | 2019-11-18 | 2021-05-19 | tesa SE | Fire-retardant pressure sensitive adhesive |
| CN114316858A (en) * | 2022-01-10 | 2022-04-12 | 纳电(深圳)材料科技有限公司 | Flame-retardant glue solution, preparation method and full-flame-retardant PI adhesive tape |
| CN114476752A (en) * | 2021-12-31 | 2022-05-13 | 芜湖徽氏新材料科技有限公司 | Flame-retardant adhesive tape and cooling and winding device thereof |
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| CN114476752B (en) * | 2021-12-31 | 2024-04-05 | 芜湖徽氏新材料科技有限公司 | Flame-retardant adhesive tape and cooling winding device thereof |
| CN114316858A (en) * | 2022-01-10 | 2022-04-12 | 纳电(深圳)材料科技有限公司 | Flame-retardant glue solution, preparation method and full-flame-retardant PI adhesive tape |
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