CN103320028B - Pressure-sensitive high-temperature-resistant vacuum bag sealing tape - Google Patents
Pressure-sensitive high-temperature-resistant vacuum bag sealing tape Download PDFInfo
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- CN103320028B CN103320028B CN201310264096.8A CN201310264096A CN103320028B CN 103320028 B CN103320028 B CN 103320028B CN 201310264096 A CN201310264096 A CN 201310264096A CN 103320028 B CN103320028 B CN 103320028B
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- vacuum bag
- bag sealing
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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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a pressure-sensitive high-temperature-resistant vacuum bag sealing tape relating to a vacuum bag sealing tape, solving the problems of no high temperature resistance and poor pressure-sensitive performance of an existing vacuum bag sealing tape. The pressure-sensitive high-temperature-resistant vacuum bag sealing tape comprises silicon rubber, tackifying resin, a reinforcing filler, a high-temperature vulcanizing agent, an inert filler, a heat stabilizer and a structure control agent. The pressure-sensitive high-temperature-resistant vacuum bag sealing tape disclosed by the invention has good adhesion to materials such as an alloy, a nylon film and a polyimide film under a low-temperature environment; the holding power and the 180-DEG stripping strength of the pressure-sensitive high-temperature-resistant vacuum bag sealing tape respectively reach 8h10min and 4.5N/m, the normal temperature shearing strength (aluminum plate/aluminum plate) reaches 2.77MPa, no air leaks during vacuumizing, and no adhesive is remained on a mould after demoulding. Through a 400-DEG C*4h ageing test, the sealing tape does not embrittle and flow, and can be integrally stripped, and is wide in practical value; the temperature is 426-450 DEG C when the heat weight loss ratio is 5 percent.
Description
Technical field
The present invention relates to vacuum bag sealing adhesive tape.
Background technology
Along with developing rapidly of Aeronautics and Astronautics industry, the resistance toheat of matrix material is proposed to more and more higher requirement, and the mold temperature of these heat-resisting composites is also more and more higher.Adopt vacuum-assisted resin transfer molding technology (VARTM) to prepare heat-resisting composite, the thermotolerance of the vacuum bag sealing adhesive tape using is proposed to higher technical requirements.
Though domestic, have butyl type rubber vacuum bag sealing adhesive tape product, its temperature resistant grade is lower, and high-temperature resistant temperature only has 200 ℃ of left and right, can not meet the demand of current processing novel matrix material far away.Under low temperature environment for use, currently available products is poor to the bonding force of mould, vacuum bag material, also has gas leak phenomenon when vacuumizing; Meanwhile, many manufacturers, for easy construction, require vacuum bag sealing adhesive tape when the demoulding, not allow glue to remain on mould, and this is also prior art cannot meet a bit.
Summary of the invention
The present invention seeks to have non-refractory in order to solve existing vacuum bag sealing adhesive tape, the problem of poor performance, and pressure sensitive high temperature resistant vacuum bag sealing adhesive tape is provided.
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, is made by 100 parts of silicon rubber, 5～20 parts of tackifying resins, 30～65 parts of reinforcing fillers, 0.5～3.0 part high temperature vulcanized dose, 0～60 part inert filler, 2～10 parts of thermo-stabilizers and 5～20 parts of constitution controllers by weight;
Wherein said silicon rubber is methyl phenyl vinyl silicone rubber or methyl vinyl silicone rubber;
Described tackifying resin is methyl MQ silicone resin, methyl vinyl MQ silicone resin or phenyl vinyl MQ silicone resin;
Described reinforcing filler is the composition of one or more in thermal silica after precipitated silica, thermal silica, dimethyl polysiloxane modification;
Described high temperature vulcanized dose is 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, dicumyl peroxide, 2, the composition of one or more in 4-dichlorobenzoperoxide, benzoyl peroxide, t-butylperoxyl benzoate, di-t-butyl peroxide;
Described inert filler is one or more the composition in mica, silicon powder, diatomite, zinc oxide, titanium dioxide, calcium carbonate, silica powder, glass fibre, asbestos, talcum powder, silicon carbide, boron nitride, kaolin;
Described thermo-stabilizer is one or more the composition in ferric oxide, ironic hydroxide, iron octoate, cerium oxide;
Described constitution controller is one or more the composition in Diphenylsilanediol, hydroxy silicon oil, aminomethyl phenyl dimethoxy silane, dimethyldiethoxysilane.
The invention has the advantages that: using MQ silicone resin as tackifying resin, can give the good voltage-dependent characteristic of sealant tape and heat resistance, sealant tape is easily fixed on the adhesion of film of true bag on processing mold.Vacuum bag sealing adhesive tape does not add any solvent, safety and environmental protection, easy to use in preparation process yet, under low temperature environment, the material adhesive such as alloy, nylon film and Kapton is good, it holds viscous force and 180 ° of stripping strengths reach respectively 8h10min and 4.5N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) reaches 2.77MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 426～450 ℃.Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape in visible the present invention is high temperature resistant, and performance is good, has practical value widely.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: present embodiment pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by 100 parts of silicon rubber, 5～20 parts of tackifying resins, 30～65 parts of reinforcing fillers, 0.5～3.0 part high temperature vulcanized dose, 0～60 part inert filler, 2～10 parts of thermo-stabilizers and 5～20 parts of constitution controllers, made by weight;
Wherein said silicon rubber is methyl phenyl vinyl silicone rubber or methyl vinyl silicone rubber;
Described tackifying resin is methyl MQ silicone resin, methyl vinyl MQ silicone resin or phenyl vinyl MQ silicone resin;
Described reinforcing filler is the composition of one or more in thermal silica after precipitated silica, thermal silica, dimethyl polysiloxane modification;
Described high temperature vulcanized dose is 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, dicumyl peroxide, 2, the composition of one or more in 4-dichlorobenzoperoxide, benzoyl peroxide, t-butylperoxyl benzoate, di-t-butyl peroxide;
Described inert filler is one or more the composition in mica, silicon powder, diatomite, zinc oxide, titanium dioxide, calcium carbonate, silica powder, glass fibre, asbestos, talcum powder, silicon carbide, boron nitride, kaolin;
Described thermo-stabilizer is one or more the composition in ferric oxide, ironic hydroxide, iron octoate, cerium oxide;
Described constitution controller is one or more the composition in Diphenylsilanediol, hydroxy silicon oil, aminomethyl phenyl dimethoxy silane, dimethyldiethoxysilane.
When in present embodiment, reinforcing filler is composition each component for arbitrarily than; High temperature vulcanized dose of each component while being composition for arbitrarily than; When inert filler is composition each component for arbitrarily than; When thermo-stabilizer is composition each component for arbitrarily than; When constitution controller is composition each component for arbitrarily than.
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape in present embodiment, is to adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, is prepared from.
Embodiment two: present embodiment is different from embodiment one is that the molecular weight of described silicon rubber is 45～800,000.Other is identical with embodiment one.
Embodiment three: what present embodiment was different from embodiment one or two is that described tackifying resin medium vinyl content is 0～5.6%.Other is identical with embodiment one or two.
Embodiment 1:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 10 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 1.7 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 3 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 2h10min and 2.8N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.72MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 426 ℃.
Embodiment 2:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 15 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 1.7 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 3 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 7h20min and 4.1N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.70MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 442 ℃.
Embodiment 3:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 20 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 1.7 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 3 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 6h35min and 3.9N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.48MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 437 ℃.
Embodiment 4:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 15 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 2.1 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 3 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 7h35min and 4.6N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.65MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 446 ℃.
Embodiment 5:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 15 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 2.9 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 3 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 7h30min and 3.5N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.60MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 443 ℃.
Embodiment 6:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 15 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 2.1 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 5 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 8h10min and 4.5N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.77MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 450 ℃.
Embodiment 7:
Pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by weight by 100 parts of methyl phenyl vinyl silicone rubbers, 15 parts of methyl vinyl MQ silicone resin, 45 parts of thermal silicas, 2.1 part 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, 30 parts of titanium dioxides, 8 parts of ferric oxide and 5 parts of hydroxy silicon oils are made;
The molecular weight of methyl phenyl vinyl silicone rubber described in the present embodiment is 650,000; Described methyl vinyl MQ silicone resin medium vinyl content is 2%.
Adopt ordinary method, through vacuum kneading, mill mixing and extrusion moulding, prepare pressure sensitive high temperature resistant vacuum bag sealing adhesive tape.
After testing, pressure sensitive high temperature resistant vacuum bag sealing adhesive tape hold viscous force and 180 ° of stripping strengths are respectively 7h55min and 4.0N/m, normal temperature shearing resistance (aluminium sheet/aluminium sheet) is 2.72MPa, air tight while vacuumizing, noresidue glue in demoulding rear mold.After 400 ℃ * 4h weathering test, not embrittlement of adhesive tape, do not trickle, can integral body peel off, during thermal weight loss rate 5%, temperature is 447 ℃.
Resistance to elevated temperatures and the release property of embodiment 1 to 7 pressure sensitive high temperature resistant vacuum bag sealing adhesive tape are tested as follows:
Temperature during rate of weight loss 5%: take GB/T14837 gravitational thermal analysis method, use thermogravimetric analyzer to carry out thermal performance analysis to sample under nitrogen atmosphere, temperature rise rate is 5 ℃/min, the temperature when recording sample quality and reducing 5%.
Demolding performace: the joint strip of getting long 200mm, be attached on the aluminium sheet without any processing, surface coverage one deck Kapton, processes through 400 ℃ * 4h, whether taking-up is cooled to room temperature observation sealant tape and can whole from aluminium sheet, peels off, and has or not cull on aluminium sheet.
Claims (2)
1. pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, it is characterized in that pressure sensitive high temperature resistant vacuum bag sealing adhesive tape, by 100 parts of silicon rubber, 5～20 parts of tackifying resins, 30～65 parts of reinforcing fillers, 0.5～3.0 part high temperature vulcanized dose, 0～60 part inert filler, 2～10 parts of thermo-stabilizers and 5～20 parts of constitution controllers, made by weight;
Wherein said silicon rubber is methyl phenyl vinyl silicone rubber or methyl vinyl silicone rubber;
Described tackifying resin is that described tackifying resin is methyl MQ silicone resin, methyl vinyl MQ silicone resin or phenyl vinyl MQ silicone resin; Described tackifying resin medium vinyl content is 0～5.6%;
Described reinforcing filler is the composition of one or more in thermal silica after precipitated silica, thermal silica, dimethyl polysiloxane modification;
Described high temperature vulcanized dose is 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane, dicumyl peroxide, 2, the composition of one or more in 4-dichlorobenzoperoxide, benzoyl peroxide, t-butylperoxyl benzoate, di-t-butyl peroxide;
Described inert filler is one or more the composition in mica, silicon powder, diatomite, zinc oxide, titanium dioxide, calcium carbonate, silica powder, glass fibre, asbestos, talcum powder, silicon carbide, boron nitride, kaolin;
Described thermo-stabilizer is one or more the composition in ferric oxide, ironic hydroxide, iron octoate, cerium oxide;
Described constitution controller is one or more the composition in Diphenylsilanediol, hydroxy silicon oil, aminomethyl phenyl dimethoxy silane, dimethyldiethoxysilane.
2. pressure sensitive high temperature resistant vacuum bag sealing adhesive tape according to claim 1, the molecular weight that it is characterized in that described silicon rubber is 45～800,000.
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| CN201310264096.8A CN103320028B (en) | 2013-06-28 | 2013-06-28 | Pressure-sensitive high-temperature-resistant vacuum bag sealing tape |
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| CN201310264096.8A CN103320028B (en) | 2013-06-28 | 2013-06-28 | Pressure-sensitive high-temperature-resistant vacuum bag sealing tape |
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| CN103320028B true CN103320028B (en) | 2014-10-08 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104789185B (en) * | 2015-04-24 | 2017-06-20 | 苏州市新广益电子有限公司 | A kind of High temperature-resistanadhesive adhesive tape and its high-temperature resistance adhesive for using |
| CN105086929B (en) * | 2015-08-10 | 2017-07-18 | 东莞市新星有机硅科技有限公司 | The preparation method of impact resistance organic silicon packaging glue |
| DE102017202623A1 (en) * | 2017-02-17 | 2018-08-23 | Tesa Se | Vibration-damping silicone pressure-sensitive adhesive |
| DE102017202624A1 (en) * | 2017-02-17 | 2018-08-23 | Tesa Se | Vibration-damping silicone pressure-sensitive adhesive |
| CN110054998B (en) * | 2019-02-11 | 2021-08-13 | 斯迪克新型材料（江苏）有限公司 | Graphene directional heat conduction double-sided adhesive tape |
| CN110564160A (en) * | 2019-08-22 | 2019-12-13 | 四川塔牌电缆绕组线有限责任公司 | Fire-resistant silicone rubber and preparation method thereof |
| CN112048256B (en) * | 2020-08-24 | 2022-06-07 | 苏州萍升源电子科技有限公司 | Production process of flame-retardant adhesive tape |
| CN114561161A (en) * | 2021-12-20 | 2022-05-31 | 苏州萍升源电子科技有限公司 | High-sealing-performance composite multifunctional adhesive tape |
| CN115612447A (en) * | 2022-11-04 | 2023-01-17 | 皇裕精密技术(苏州)有限公司 | High-performance Busbar product sealant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735620A (en) * | 2009-12-27 | 2010-06-16 | 周忠坤 | High-temperature resisting methyl vinyl silicone rubber |
| CN102516895A (en) * | 2011-11-29 | 2012-06-27 | 常熟市富邦胶带有限责任公司 | Method for making self-adhesive insulating tape |
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2013
- 2013-06-28 CN CN201310264096.8A patent/CN103320028B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735620A (en) * | 2009-12-27 | 2010-06-16 | 周忠坤 | High-temperature resisting methyl vinyl silicone rubber |
| CN102516895A (en) * | 2011-11-29 | 2012-06-27 | 常熟市富邦胶带有限责任公司 | Method for making self-adhesive insulating tape |
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