CN103571369A - Pressure sensitive adhesive tape for high-temperature resistant masking and preparation method thereof - Google Patents
Pressure sensitive adhesive tape for high-temperature resistant masking and preparation method thereof Download PDFInfo
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- CN103571369A CN103571369A CN201210272136.9A CN201210272136A CN103571369A CN 103571369 A CN103571369 A CN 103571369A CN 201210272136 A CN201210272136 A CN 201210272136A CN 103571369 A CN103571369 A CN 103571369A
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Abstract
The invention relates to a pressure sensitive adhesive tape for high-temperature resistant masking and a preparation method thereof. The pressure sensitive adhesive tape consists of a substrate layer, an isolator layer, a release agent layer, a primer layer and an adhesive layer, wherein the isolator layer and the release agent layer sequentially cover the upper surface of the substrate layer, and the primer layer and the adhesive layer sequentially cover the lower surface of the substrate layer. The pressure sensitive adhesive tape prepared by the invention, compared with the prior art, can avoid crack and residue when being peeled off after being roasted for 60 minutes at high temperature of 180 DEG C, and the adhesive property has strong adhesive property and can avoid a wrapping phenomenon when being used.
Description
Technical field
The present invention relates to Pressuresensitive Tape and preparation method thereof, especially relate to a kind of high temperature resistant covering with Pressuresensitive Tape and preparation method thereof.
Background technology
High temperature gummed tape is mainly used in spraying paint, baking vanish leather processing, application cover and electronic component manufacturing processed in fixing, printed circuit board (PCB) and high temperature cover processing etc.In automobile manufacturing process and automobile repair to the spraying paint and during high temperature paint baking, can directly paste covering with sealing tape to the zonule of not spraying paint of vehicle body, to the larger region of area available sealing tape the paper of opening is greatly attached to and is needed on paint portion boundary.
When automotive lacquer and baking vanish, Pressuresensitive Tape stands for some time possibly (as 30min-60min) high temperature (as 120-180 ℃) so that paint set.If Pressuresensitive Tape remains in adherend surface after standing high temperature, allow to clean out, also to manufacturing processed, brought very big inconvenience.Comparatively ideal, the Pressuresensitive Tape after experience high temperature must not leave tackiness agent residue after being removed.Must there are certain stripping strength, tackiness etc. in addition.
Summary of the invention
Object of the present invention is exactly to provide under a kind of high temperature and have compared with metastatic high temperature resistant the covering with Pressuresensitive Tape and preparation method thereof of low adhesive in order to overcome the defect of above-mentioned prior art existence, this Pressuresensitive Tape can be under the high temperature of 180 ℃ after 60min baking, when tape stripping, do not break and cull, and there is strong tackiness, can not make adhesive tape in use have warping phenomenon.
Object of the present invention can be achieved through the following technical solutions:
A kind of high temperature resistant covering with Pressuresensitive Tape, this Pressuresensitive Tape comprises substrate layer, release agent layer, parting agent layer, silane coupling agent layer and adhesive layer, the upper surface of described substrate layer covers release agent layer and parting agent layer successively, and the lower surface of described substrate layer covers silane coupling agent layer and adhesive layer successively.
Described substrate layer is cotton, and grammes per square metre is 30～300g/m
2.
Described release agent layer is comprised of separant, and the grammes per square metre of described release agent layer is counted 10-50g/m with solid content
2described separant is selected from the homopolymer of perfluoroalkyl methacrylate, the multipolymer of perfluoroalkyl methacrylate, polyvinyl alcohol perfluorination carbamate or containing one or more in the aminoresin of perfluorinated alkyl, the solid content of described separant is 30%.Release agent layer mainly rises and prevents that parting agent layer, silane coupling agent layer are penetrated into the another side of substrate layer.
Described parting agent layer is by being with nitrile and dienes acrylic elastomer emulsion to form, and the grammes per square metre of described parting agent layer is counted 10-50g/m with solid content
2, with the solid content of nitrile and dienes acrylic elastomer emulsion, be 30%.Parting agent layer act as adhesive tape winding time prevent that tackiness agent from adhering to tape surface.
Described silane coupling agent layer is comprised of silane coupling agent, and the grammes per square metre of described silane coupling agent layer is counted 10-50g/m with solid content
2, described silane coupling agent is mixed by the component that comprises following weight part:
100 parts of natural rubber latexes
Acrylic elastomer emulsion 10-50 part
Ethyl acetate 150-200 part;
The solid content of described silane coupling agent is 25%.In silane coupling agent, contain the similar rubber latex of easily moving in tackiness agent, can prevent under high temperature that binder migration is to adherend surface.
Described adhesive layer is comprised of tackiness agent, and the grammes per square metre of described adhesive layer is counted 50-200g/m with solid content
2, described tackiness agent is stirred and is mixed for 20-40 minute by the component that comprises following weight part at 50-80 ℃:
The solid content of described tackiness agent is 20-50%.
Described crosslinkable elastomeric is selected from the diene elastomer of the height nonsaturation with carbon-carbon double bond form, and the solid content of described crosslinkable elastomeric is 60%.
The preferred natural rubber of described crosslinkable elastomeric.
Described acrylate non-setting adhesive is esters of acrylic acid rubber based adhesives, and the solid content of esters of acrylic acid rubber based adhesives is 50%, resistance to 180-200 ℃ high temperature.
Described tackifying resin is selected from the rosin ester tackifying resin that can be dissolved in ethyl acetate solvent.
Described linking agent is the N hydroxymethyl acrylamide of modified form.
Described crosslinking accelerator is selected from zinc resinate.
The preferred zinc dibutyl dithiocarbamate of described crosslinking accelerator.
Described anti-aging agent is one or both in N-phenyl-N '-cyclohexyl-Ursol D or N-phenyl-N '-sec.-propyl-Ursol D.
A high temperature resistant preparation method of covering with Pressuresensitive Tape, the method comprises the following steps:
(1) 100 parts of natural rubber latexes, acrylic elastomer emulsion 10-50 part and ethyl acetate 150-200 part are uniformly mixed, prepare silane coupling agent, standby;
(2) 100 parts of crosslinkable elastomerics, acrylate non-setting adhesive 10-50 part, tackifying resin 25-80 part, linking agent 1-10 part, crosslinking accelerator 1-8 part, anti-aging agent 0.5-2 part and ethyl acetate 100-200 part are placed in to heat-collecting magnetic stirring device, at 50-80 ℃, stir 20-40min, each component is fully dissolved each other, prepare tackiness agent, standby;
(3) separant is coated in to the upper surface of substrate layer, forms release agent layer, then put into the dry 1-3 minute of baking oven of 50-80 ℃, take out cooling;
(4) at release agent layer upper surface coating release agent, form parting agent layer, put into the dry 1-3 minute of baking oven of 50-80 ℃, take out cooling;
(5) lower surface at substrate layer applies silane coupling agent, forms silane coupling agent layer, puts into the dry 1-3 minute of baking oven of 50-80 ℃, takes out cooling;
(6) at silane coupling agent layer lower surface adhesive coating, form adhesive layer, put into the dry 2-5 minute of baking oven of 50-80 ℃, take out and coolingly obtain high temperature resistant covering and use Pressuresensitive Tape.
Compared with prior art, the present invention has the following advantages:
(1) owing to containing the similar rubber latex of easily moving in tackiness agent in silane coupling agent of the present invention, the vinylformic acid in tackiness agent, under the effect of silane coupling agent, can not move on vehicle body, has eliminated the high temperature residual silkgum content of high temperature resistant pressure sensitive adhesive.
(2) natural rubber and acrylate non-setting adhesive are under the effect of novel crosslinker, between polymer molecule, there is crosslinking reaction, rigidity reinforced, stripping strength and the cohesive strength of pressure sensitive adhesive improve thereupon, and polarity, the relative molecular mass of polymkeric substance all increase, make pressure sensitive adhesive there is good adhesive characteristics, simultaneously also for contribution has been made in the elimination of high temperature residual silkgum content.
(3) pressure sensitive adhesive after coating is exposed at the temperature of 50-80 ℃, and solvent is conventionally less than evaporative removal in approximately 5 minutes, this step be mainly to remove solvent and substantially do not solidify, then, the pressure sensitive adhesive after coating just can have been used.Do not need in process of production to solidify this step, saved production time and cost.Products obtained therefrom is all temps for requiring effectively.Sizing composition is used to use the application scenario of high temperature, and tackiness agent can solidify when being exposed to high temperature.Tackiness agent after solidifying is not being left tackiness agent residue when using surface removal.
Accompanying drawing explanation
Fig. 1 is high temperature resistant cross-sectional view of covering with Pressuresensitive Tape of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Substrate layer is mainly cotton embryo cloth here, purchased from Jiangsu great Yao Textile Co., Ltd..
Embodiment 1
At 100 parts of (weight parts, in natural rubber latex (solid content is 60%), add 10 parts of acrylate non-setting adhesives (solid content is 50%) down together), after stirring, add 25 parts of rosin ester tackifying resins, 1 part of linking agent modified form N hydroxymethyl acrylamide, 1 part of crosslinking accelerator zinc dibutyl dithiocarbamate, 0.5 part of rubber antioxidant N-phenyl-N '-cyclohexyl-Ursol D, add 100 parts of solvent ethyl acetates, stir, after 5 minutes, adhesive compound is placed in to heat-collecting magnetic stirring device, at 50 ℃, by stirring rod, stir 20min, each component is fully dissolved each other, and it is 20% that the curing amount of adhesive compound is controlled, take out stand-by, be mixed with tackiness agent.
In 100 parts of natural rubber latexes (solid content is 60%), add 10 parts of acrylate non-setting adhesives (solid content is 50%), then add 150 parts of solvent ethyl acetates, stir to solid content be 25%, silane coupling agent is prepared complete.
As shown in Figure 1, separant perfluoroalkyl methacrylate being coated in to grammes per square metre is 30g/m
2the upper surface of cotton substrate layer 1, the upper surface of cotton, forms release agent layer 2, its grammes per square metre is 10g/m
2(in solid content); Then put into dry 1 minute of the baking oven of 50 ℃, take out cooling after in the release agent layer 2 surface-coated parting agent dienes acrylic elastomer emulsions of cotton, form parting agent layer 3, its grammes per square metre is 10g/m
2(in solid content); Put into again 50 ℃ of baking ovens dry 1 minute, take out cooling after at the lower surface of cotton substrate layer 1, the lower surface of cotton, applies the silane coupling agent preparing, and forms silane coupling agent layer 4, its grammes per square metre is 10g/m
2(in solid content); Then put into dry 1 minute of the baking oven of 50 ℃, take out the tackiness agent preparing in silane coupling agent layer 4 surface-coated of cotton after cooling, form adhesive layer 5, its grammes per square metre is 50g/m
2(in solid content); Be placed in 50 ℃ of baking ovens dry 2 minutes, take out after cooling and cut into the Pressuresensitive Tape of different lengths and width by demand, can be used for resistant to elevated temperatures occasion.
Record performance as follows: covered sealing tape and be affixed on stainless steel plate, through 150 ℃ of heating 45min, while peeling off, do not stay cull.No. 20 balls of its initial bonding strength, holding viscous force is 5h.
In 100 parts of natural rubber latexes (solid content is 60%), add 30 parts of acrylate non-setting adhesives (solid content is 50%), after stirring, add 45 parts of rosin ester tackifying resins, 5 parts of linking agent modified form N hydroxymethyl acrylamides, 5 parts of crosslinking accelerator zinc dibutyl dithiocarbamates, 1 part of rubber antioxidant N-phenyl-N '-cyclohexyl-Ursol D, add 150 parts of solvent ethyl acetates, stir, after 5 minutes, adhesive compound is placed in to heat-collecting magnetic stirring device, at 60 ℃, by stirring rod, stir 30min, each component is fully dissolved each other, and it is 30% that the curing amount of adhesive compound is controlled, take out stand-by, be mixed with tackiness agent.
In 100 parts of natural rubber latexes (solid content is 60%), add 30 parts of acrylate non-setting adhesives (solid content is 50%), then add 200 parts of solvent ethyl acetates, stir to solid content be 25%, silane coupling agent is prepared complete.
As shown in Figure 1, separant polyvinyl alcohol perfluorination carbamate being coated in to grammes per square metre is 80g/m
2the upper surface of cotton substrate layer 1, the upper surface of cotton, forms release agent layer 2, its grammes per square metre is 30g/m
2(in solid content); Then put into dry 2 minutes of the baking oven of 60 ℃, take out cooling after in the release agent layer 2 surface-coated parting agent dienes acrylic elastomer emulsions of cotton, form parting agent layer 3, its grammes per square metre is 30g/m
2(in solid content); Put into again 60 ℃ of baking ovens dry 2 minutes, take out cooling after at the lower surface of cotton substrate layer 1, the lower surface of cotton, applies the silane coupling agent preparing, and forms silane coupling agent layer 4, its grammes per square metre is 20g/m
2(in solid content); Then put into dry 2 minutes of the baking oven of 60 ℃, take out the tackiness agent preparing in silane coupling agent layer 4 surface-coated of cotton after cooling, form adhesive layer 5, its grammes per square metre is 80g/m
2(in solid content); Be placed in 60 ℃ of baking ovens dry 4 minutes, take out after cooling and cut into the Pressuresensitive Tape of different lengths and width by demand, can be used for resistant to elevated temperatures occasion.
Record performance as follows: covered sealing tape and be affixed on stainless steel plate, through 150 ℃ of heating 40min, while peeling off, do not stay cull.No. 24 balls of its initial bonding strength, holding viscous force is 2.5h.
In 100 parts of natural rubber latexes (solid content is 60%), add 50 parts of acrylate non-setting adhesives (solid content is 50%), after stirring, add 60 parts of rosin ester tackifying resins, 10 parts of linking agent modified form N hydroxymethyl acrylamides, 8 parts of crosslinking accelerator zinc dibutyl dithiocarbamates, 2 parts of rubber antioxidant N-phenyl-N '-cyclohexyl-Ursol D, add 200 parts of solvent ethyl acetates, stir, after 5 minutes, adhesive compound is placed in to heat-collecting magnetic stirring device, at 80 temperature, by stirring rod, stir 40min, each component is fully dissolved each other, and it is 50% that the curing amount of adhesive compound is controlled, take out stand-by, be mixed with tackiness agent.
In 100 parts of natural rubber latexes (solid content is 60%), add 50 parts of acrylate non-setting adhesives (solid content is 50%), then add 200 parts of solvent ethyl acetates, stir to solid content be 25%, silane coupling agent is prepared complete.
As shown in Figure 1, separant polyvinyl alcohol perfluorination carbamate being coated in to grammes per square metre is 150g/m
2the upper surface of cotton substrate layer 1, the upper surface of cotton, forms release agent layer 2, its grammes per square metre is 50g/m
2(in solid content); Then put into dry 3 minutes of the baking oven of 80 ℃, take out cooling after in the release agent layer 2 surface-coated parting agent nitrile acrylic elastomer emulsions of cotton, form parting agent layer 3, its grammes per square metre is 50g/m
2(in solid content); Put into again 80 ℃ of baking ovens dry 3 minutes, take out cooling after at the lower surface of cotton substrate layer 1, the lower surface of cotton, applies the silane coupling agent preparing, and forms silane coupling agent layer 4, its grammes per square metre is 50g/m
2(in solid content); Then put into dry 3 minutes of the baking oven of 80 ℃, take out the tackiness agent preparing in silane coupling agent layer 4 surface-coated of cotton after cooling, form adhesive layer 5, its grammes per square metre is 150g/m
2(in solid content); Be placed in 80 ℃ of baking ovens dry 5 minutes, take out after cooling and cut into the Pressuresensitive Tape of different lengths and width by demand, can be used for resistant to elevated temperatures occasion.
Record performance as follows: covered sealing tape and be affixed on stainless steel plate, through 150 ℃ of heating 50min, while peeling off, do not stay cull.No. 19 balls of its initial bonding strength, holding viscous force is 8h.
In 100 parts of natural rubber latexes (solid content is 60%), add 40 parts of acrylate non-setting adhesives (solid content is 50%), after stirring, add 40 parts of rosin ester tackifying resins, 6 parts of linking agent modified form N hydroxymethyl acrylamides, 5 parts of crosslinking accelerator zinc dibutyl dithiocarbamates, 1.5 parts of rubber antioxidant N-phenyl-N '-cyclohexyl-Ursol D, add 150 parts of solvent ethyl acetates, stir, after 5 minutes, adhesive compound is placed in to heat-collecting magnetic stirring device, at 70 temperature, by stirring rod, stir 30min, each component is fully dissolved each other, and it is 40% that the curing amount of adhesive compound is controlled, take out stand-by, be mixed with tackiness agent.
In 100 parts of natural rubber latexes (solid content is 60%), add 40 parts of acrylate non-setting adhesives (solid content is 50%), then add 180 parts of solvent ethyl acetates, stir to solid content be 25%, silane coupling agent is prepared complete.
As shown in Figure 1, separant polyvinyl alcohol perfluorination carbamate being coated in to grammes per square metre is 200g/m
2the upper surface of cotton substrate layer 1, the upper surface of cotton, forms release agent layer 2, its grammes per square metre is 40g/m
2(in solid content); Then put into dry 3 minutes of the baking oven of 60 ℃, take out cooling after in the release agent layer 2 surface-coated parting agent nitrile acrylic elastomer emulsions of cotton, form parting agent layer 3, its grammes per square metre is 50g/m
2(in solid content); Put into again 60 ℃ of baking ovens dry 3 minutes, take out cooling after at the lower surface of cotton substrate layer 1, the lower surface of cotton, applies the silane coupling agent preparing, and forms silane coupling agent layer 4, its grammes per square metre is 40g/m
2(in solid content); Then put into dry 3 minutes of the baking oven of 60 ℃, take out the tackiness agent preparing in silane coupling agent layer 4 surface-coated of cotton after cooling, form adhesive layer 5, its grammes per square metre is 200g/m
2(in solid content); Be placed in 60 ℃ of baking ovens dry 5 minutes, take out after cooling and cut into the Pressuresensitive Tape of different lengths and width by demand, can be used for resistant to elevated temperatures occasion.
Record performance as follows: covered sealing tape and be affixed on stainless steel plate, through 150 ℃ of heating 1h, while peeling off, do not stay cull.No. 20 balls of its initial bonding strength, holding viscous force is 12h.
In 100 parts of natural rubber latexes (solid content is 60%), add 30 parts of acrylate non-setting adhesives (solid content is 50%), after stirring, add 35 parts of rosin ester tackifying resins, 3 parts of linking agent modified form N hydroxymethyl acrylamides, 3 parts of crosslinking accelerator zinc dibutyl dithiocarbamates, 2 parts of rubber antioxidant N-phenyl-N '-cyclohexyl-Ursol D, add 140 parts of solvent ethyl acetates, stir, after 10 minutes, adhesive compound is placed in to heat-collecting magnetic stirring device, at 60 ℃ of temperature, by stirring rod, stir 40min, each component is fully dissolved each other, and it is 40% that the curing amount of adhesive compound is controlled, take out stand-by, be mixed with tackiness agent.
At 100 parts of (weight parts, in natural rubber latex (solid content is 60%), add 30 parts of acrylate non-setting adhesives (solid content is 50%) down together), add again 200 parts of solvent ethyl acetates, stir to solid content be 25%, silane coupling agent is prepared complete.
As shown in Figure 1, separant polyvinyl alcohol perfluorination carbamate being coated in to grammes per square metre is 150g/m
2the upper surface of cotton substrate layer 1, the upper surface of cotton, forms release agent layer 2, its grammes per square metre is 20g/m
2(in solid content); Then put into dry 2 minutes of the baking oven of 60 ℃, take out cooling after in the release agent layer 2 surface-coated parting agent nitrile acrylic elastomer emulsions of cotton, form parting agent layer 3, its grammes per square metre is 20g/m
2(in solid content); Put into again 60 ℃ of baking ovens dry 3 minutes, take out cooling after at the lower surface of cotton substrate layer 1, the lower surface of cotton, applies the silane coupling agent preparing, and forms silane coupling agent layer 4, its grammes per square metre is 20g/m
2(in solid content); Then put into dry 3 minutes of the baking oven of 60 ℃, take out the tackiness agent preparing in silane coupling agent layer 4 surface-coated of cotton after cooling, form adhesive layer 5, its grammes per square metre is 150g/m
2(in solid content); Be placed in 60 ℃ of baking ovens dry 3 minutes, take out after cooling and cut into the Pressuresensitive Tape of different lengths and width by demand, can be used for resistant to elevated temperatures occasion.
Record performance as follows: covered sealing tape and be affixed on stainless steel plate, through 150 ℃ of heating 45min, while peeling off, do not stay cull.No. 19 balls of its initial bonding strength, holding viscous force is 10h.
Embodiment 6
A kind of high temperature resistant covering with Pressuresensitive Tape, its cross-sectional view as shown in Figure 1, this Pressuresensitive Tape comprises substrate layer 1, release agent layer 2, parting agent layer 3, silane coupling agent layer 4 and adhesive layer 5, the upper surface of substrate layer 1 covers release agent layer 2 and parting agent layer 3 successively, and the lower surface of substrate layer 1 covers silane coupling agent layer 4 and adhesive layer 5 successively.
Substrate layer is cotton, and grammes per square metre is 30g/m
2.
Release agent layer is comprised of separant, and the grammes per square metre of release agent layer is counted 10g/m with solid content
2, the mixture of the homopolymer that separant is perfluoroalkyl methacrylate, the multipolymer of perfluoroalkyl methacrylate, the solid content of separant is 30%.Release agent layer mainly rises and prevents that parting agent layer, silane coupling agent layer are penetrated into the another side of substrate layer.
Parting agent layer is by being with nitrile and dienes acrylic elastomer emulsion to form, and the grammes per square metre of parting agent layer is counted 10g/m with solid content
2, with the solid content of nitrile and dienes acrylic elastomer emulsion, be 30%.Parting agent layer act as adhesive tape winding time prevent that tackiness agent from adhering to tape surface.
Silane coupling agent layer is comprised of silane coupling agent, and the grammes per square metre of silane coupling agent layer is counted 10g/m with solid content
2, silane coupling agent is mixed by the component that comprises following weight part:
100 parts of natural rubber latexes
10 parts of acrylic elastomer emulsions
150 parts of ethyl acetate;
The solid content of silane coupling agent is 25%.In silane coupling agent, contain the similar rubber latex of easily moving in tackiness agent, can prevent under high temperature that binder migration is to adherend surface.
Adhesive layer is comprised of tackiness agent, and the grammes per square metre of adhesive layer is counted 50g/m with solid content
2, tackiness agent is stirred and is mixed for 40 minutes by the component that comprises following weight part at 50 ℃:
The solid content of tackiness agent is 20%.
Crosslinkable elastomeric is natural rubber, and solid content is 60%; Acrylate non-setting adhesive is esters of acrylic acid rubber based adhesives, and the solid content of esters of acrylic acid rubber based adhesives is 50%, resistance to 200 ℃ of high temperature; Tackifying resin is for being dissolved in the rosin ester tackifying resin of ethyl acetate solvent; Linking agent is the N hydroxymethyl acrylamide of modified form; Crosslinking accelerator is zinc dibutyl dithiocarbamate; Anti-aging agent is N-phenyl-N '-cyclohexyl-Ursol D.
The method comprises the following steps:
(1) 150 parts of 100 parts of natural rubber latexes, 10 parts of acrylic elastomer emulsions and ethyl acetate are uniformly mixed, prepare silane coupling agent, standby;
(2) 100 parts of 100 parts of crosslinkable elastomerics, 10 parts of acrylate non-setting adhesives, 25 parts of tackifying resins, 1 part of linking agent, 1 part of crosslinking accelerator, 0.5 part, anti-aging agent and ethyl acetate are placed in to heat-collecting magnetic stirring device, at 50 ℃, stir 40min, each component is fully dissolved each other, prepare tackiness agent, standby;
(3) separant is coated in to the upper surface of substrate layer, forms release agent layer, the baking oven of then putting into 50 ℃ is dried 3 minutes, takes out cooling;
(4) at release agent layer upper surface coating release agent, form parting agent layer, the baking oven of putting into 50 ℃ is dried 3 minutes, takes out cooling;
(5) lower surface at substrate layer applies silane coupling agent, forms silane coupling agent layer, and the baking oven of putting into 50 ℃ is dried 3 minutes, takes out cooling;
(6) at silane coupling agent layer lower surface adhesive coating, form adhesive layer, put into dry 5 minutes of the baking oven of 50 ℃, take out and coolingly obtain high temperature resistant covering and use Pressuresensitive Tape.
Embodiment 7
A kind of high temperature resistant covering with Pressuresensitive Tape, this Pressuresensitive Tape comprises substrate layer, release agent layer, parting agent layer, silane coupling agent layer and adhesive layer, the upper surface of substrate layer covers release agent layer and parting agent layer successively, and the lower surface of substrate layer covers silane coupling agent layer and adhesive layer successively.
Substrate layer is cotton, and grammes per square metre is 100g/m
2.
Release agent layer is comprised of separant, and the grammes per square metre of release agent layer is counted 20g/m with solid content
2, separant is polyvinyl alcohol perfluorination carbamate, the solid content of separant is 30%.Release agent layer mainly rises and prevents that parting agent layer, silane coupling agent layer are penetrated into the another side of substrate layer.
Parting agent layer is by being with nitrile and dienes acrylic elastomer emulsion to form, and the grammes per square metre of parting agent layer is counted 20g/m with solid content
2, with the solid content of nitrile and dienes acrylic elastomer emulsion, be 30%.Parting agent layer act as adhesive tape winding time prevent that tackiness agent from adhering to tape surface.
Silane coupling agent layer is comprised of silane coupling agent, and the grammes per square metre of silane coupling agent layer is counted 20g/m with solid content
2, silane coupling agent is mixed by the component that comprises following weight part:
100 parts of natural rubber latexes
20 parts of acrylic elastomer emulsions
170 parts of ethyl acetate;
The solid content of silane coupling agent is 25%.In silane coupling agent, contain the similar rubber latex of easily moving in tackiness agent, can prevent under high temperature that binder migration is to adherend surface.
Adhesive layer is comprised of tackiness agent, and the grammes per square metre of adhesive layer is counted 100g/m with solid content
2, tackiness agent is stirred and is mixed for 30 minutes by the component that comprises following weight part at 60 ℃:
The solid content of tackiness agent is 30%.
Crosslinkable elastomeric is natural rubber, and solid content is 60%; Acrylate non-setting adhesive is esters of acrylic acid rubber based adhesives, and the solid content of esters of acrylic acid rubber based adhesives is 50%, resistance to 180 ℃ of high temperature; Tackifying resin is for being dissolved in the rosin ester tackifying resin of ethyl acetate solvent; Linking agent is the N hydroxymethyl acrylamide of modified form; Crosslinking accelerator is zinc dibutyl dithiocarbamate; Anti-aging agent is N-phenyl-N '-sec.-propyl-Ursol D.
The method comprises the following steps:
(1) 170 parts of 100 parts of natural rubber latexes, 20 parts of acrylic elastomer emulsions and ethyl acetate are uniformly mixed, prepare silane coupling agent, standby;
(2) 150 parts of 100 parts of crosslinkable elastomerics, 30 parts of acrylate non-setting adhesives, 50 parts of tackifying resins, 5 parts of linking agents, 4 parts of crosslinking accelerators, 1 part, anti-aging agent and ethyl acetate are placed in to heat-collecting magnetic stirring device, at 60 ℃, stir 30min, each component is fully dissolved each other, prepare tackiness agent, standby;
(3) separant is coated in to the upper surface of substrate layer, forms release agent layer, the baking oven of then putting into 65 ℃ is dried 2 minutes, takes out cooling;
(4) at release agent layer upper surface coating release agent, form parting agent layer, the baking oven of putting into 65 ℃ is dried 2 minutes, takes out cooling;
(5) lower surface at substrate layer applies silane coupling agent, forms silane coupling agent layer, and the baking oven of putting into 65 ℃ is dried 2 minutes, takes out cooling;
(6) at silane coupling agent layer lower surface adhesive coating, form adhesive layer, put in the baking oven of 65 ℃ dry 4 minutes, take out and coolingly obtain high temperature resistant covering and use Pressuresensitive Tape.
Embodiment 8
A kind of high temperature resistant covering with Pressuresensitive Tape, this Pressuresensitive Tape comprises substrate layer, release agent layer, parting agent layer, silane coupling agent layer and adhesive layer, the upper surface of substrate layer covers release agent layer and parting agent layer successively, and the lower surface of substrate layer covers silane coupling agent layer and adhesive layer successively.
Substrate layer is cotton, and grammes per square metre is 300g/m
2.
Release agent layer is comprised of separant, and the grammes per square metre of release agent layer is counted 50g/m with solid content
2, separant is for containing in the aminoresin of perfluorinated alkyl, and the solid content of separant is 30%.Release agent layer mainly rises and prevents that parting agent layer, silane coupling agent layer are penetrated into the another side of substrate layer.
Parting agent layer is by being with nitrile and dienes acrylic elastomer emulsion to form, and the grammes per square metre of parting agent layer is counted 50g/m with solid content
2, with the solid content of nitrile and dienes acrylic elastomer emulsion, be 30%.Parting agent layer act as adhesive tape winding time prevent that tackiness agent from adhering to tape surface.
Silane coupling agent layer is comprised of silane coupling agent, and the grammes per square metre of silane coupling agent layer is counted 50g/m with solid content
2, silane coupling agent is mixed by the component that comprises following weight part:
100 parts of natural rubber latexes
50 parts of acrylic elastomer emulsions
200 parts of ethyl acetate;
The solid content of silane coupling agent is 25%.In silane coupling agent, contain the similar rubber latex of easily moving in tackiness agent, can prevent under high temperature that binder migration is to adherend surface.
Adhesive layer is comprised of tackiness agent, and the grammes per square metre of adhesive layer is counted 200g/m with solid content
2, tackiness agent is stirred and is mixed for 20 minutes by the component that comprises following weight part at 80 ℃:
The solid content of tackiness agent is 50%.
Crosslinkable elastomeric is natural rubber, and solid content is 60%; Acrylate non-setting adhesive is esters of acrylic acid rubber based adhesives, and the solid content of esters of acrylic acid rubber based adhesives is 50%, resistance to 190 ℃ of high temperature; Tackifying resin is selected from the rosin ester tackifying resin that can be dissolved in ethyl acetate solvent; Linking agent is the N hydroxymethyl acrylamide of modified form; Crosslinking accelerator is zinc dibutyl dithiocarbamate; Anti-aging agent is the mixture of N-phenyl-N '-cyclohexyl-Ursol D and N-phenyl-N '-sec.-propyl-Ursol D.
The method comprises the following steps:
(1) 200 parts of 100 parts of natural rubber latexes, 50 parts of acrylic elastomer emulsions and ethyl acetate are uniformly mixed, prepare silane coupling agent, standby;
(2) 200 parts of 100 parts of crosslinkable elastomerics, 50 parts of acrylate non-setting adhesives, 80 parts of tackifying resins, 10 parts of linking agents, 8 parts of crosslinking accelerators, 2 parts, anti-aging agent and ethyl acetate are placed in to heat-collecting magnetic stirring device, at 80 ℃, stir 20, each component is fully dissolved each other, prepare tackiness agent, standby;
(3) separant is coated in to the upper surface of substrate layer, forms release agent layer, the baking oven of then putting into 80 ℃ is dried 1 minute, takes out cooling;
(4) at release agent layer upper surface coating release agent, form parting agent layer, the baking oven of putting into 80 ℃ is dried 1 minute, takes out cooling;
(5) lower surface at substrate layer applies silane coupling agent, forms silane coupling agent layer, and the baking oven of putting into 80 ℃ is dried 1 minute, takes out cooling;
(6) at silane coupling agent layer lower surface adhesive coating, form adhesive layer, put into dry 2 minutes of the baking oven of 80 ℃, take out and coolingly obtain high temperature resistant covering and use Pressuresensitive Tape.
Claims (15)
1. high temperature resistant covering used Pressuresensitive Tape, it is characterized in that, this Pressuresensitive Tape comprises substrate layer, release agent layer, parting agent layer, silane coupling agent layer and adhesive layer, the upper surface of described substrate layer covers release agent layer and parting agent layer successively, and the lower surface of described substrate layer covers silane coupling agent layer and adhesive layer successively.
2. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 1, is characterized in that, described substrate layer is cotton, and grammes per square metre is 30～300g/m
2.
3. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 1, is characterized in that, described release agent layer is comprised of separant, and the grammes per square metre of described release agent layer is counted 10-50g/m with solid content
2described separant is selected from the homopolymer of perfluoroalkyl methacrylate, the multipolymer of perfluoroalkyl methacrylate, polyvinyl alcohol perfluorination carbamate or containing one or more in the aminoresin of perfluorinated alkyl, the solid content of described separant is 30%.
4. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 1, is characterized in that, described parting agent layer is by being with nitrile and dienes acrylic elastomer emulsion to form, and the grammes per square metre of described parting agent layer is counted 10-50g/m with solid content
2, the described solid content with nitrile and dienes acrylic elastomer emulsion is 30%.
5. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 1, is characterized in that, described silane coupling agent layer is comprised of silane coupling agent, and the grammes per square metre of described silane coupling agent layer is counted 10-50g/m with solid content
2, described silane coupling agent is mixed by the component that comprises following weight part:
100 parts of natural rubber latexes
Acrylic elastomer emulsion 10-50 part
Ethyl acetate 150-200 part;
The solid content of described silane coupling agent is 25%.
6. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 1, is characterized in that, described adhesive layer is comprised of tackiness agent, and the grammes per square metre of described adhesive layer is counted 50-200g/m with solid content
2, described tackiness agent is uniformly mixed and makes at 50-80 ℃ by the component that comprises following weight part:
The solid content of described tackiness agent is 20-50%.
7. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 6, is characterized in that, described crosslinkable elastomeric is selected from the diene elastomer of the height nonsaturation with carbon-carbon double bond form, and the solid content of described crosslinkable elastomeric is 60%.
8. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 7, is characterized in that the preferred natural rubber of described crosslinkable elastomeric.
9. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 6, is characterized in that, described acrylate non-setting adhesive is esters of acrylic acid rubber based adhesives, and the solid content of esters of acrylic acid rubber based adhesives is 50%, resistance to 180-200 ℃ high temperature.
10. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 6, is characterized in that, described tackifying resin is selected from the rosin ester tackifying resin that can be dissolved in ethyl acetate solvent.
11. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 6, is characterized in that the N hydroxymethyl acrylamide that described linking agent is modified form.
12. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 6, is characterized in that, described crosslinking accelerator is selected from zinc resinate.
13. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 12, is characterized in that the preferred zinc dibutyl dithiocarbamate of described crosslinking accelerator.
14. a kind of high temperature resistant covering with Pressuresensitive Tape according to claim 6, is characterized in that, described anti-aging agent is one or both in N-phenyl-N '-cyclohexyl-Ursol D or N-phenyl-N '-sec.-propyl-Ursol D.
15. 1 kinds of high temperature resistant preparation methods of covering with Pressuresensitive Tape as claimed in claim 1, is characterized in that, the method comprises the following steps:
(1) 100 parts of natural rubber latexes, acrylic elastomer emulsion 10-50 part and ethyl acetate 150-200 part are uniformly mixed, prepare silane coupling agent, standby;
(2) 100 parts of crosslinkable elastomerics, acrylate non-setting adhesive 10-50 part, tackifying resin 25-80 part, linking agent 1-10 part, crosslinking accelerator 1-8 part, anti-aging agent 0.5-2 part and ethyl acetate 100-200 part are placed in to heat-collecting magnetic stirring device, at 50-80 ℃, stir 20-40min, each component is fully dissolved each other, prepare tackiness agent, standby;
(3) separant is coated in to the upper surface of substrate layer, forms release agent layer, then put into the dry 1-3 minute of baking oven of 50-80 ℃, take out cooling;
(4) at release agent layer upper surface coating release agent, form parting agent layer, put into the dry 1-3 minute of baking oven of 50-80 ℃, take out cooling;
(5) lower surface at substrate layer applies silane coupling agent, forms silane coupling agent layer, puts into the dry 1-3 minute of baking oven of 50-80 ℃, takes out cooling;
(6) at silane coupling agent layer lower surface adhesive coating, form adhesive layer, put into the dry 2-5 minute of baking oven of 50-80 ℃, take out and coolingly obtain high temperature resistant covering and use Pressuresensitive Tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210272136.9A CN103571369A (en) | 2012-08-01 | 2012-08-01 | Pressure sensitive adhesive tape for high-temperature resistant masking and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210272136.9A CN103571369A (en) | 2012-08-01 | 2012-08-01 | Pressure sensitive adhesive tape for high-temperature resistant masking and preparation method thereof |
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| CN103571369A true CN103571369A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210272136.9A Pending CN103571369A (en) | 2012-08-01 | 2012-08-01 | Pressure sensitive adhesive tape for high-temperature resistant masking and preparation method thereof |
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| CN106967327A (en) * | 2017-04-11 | 2017-07-21 | 上海晶华胶粘新材料股份有限公司 | Emulsion additive, regulation and control method, masking tape and application |
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| CN109210145A (en) * | 2018-08-10 | 2019-01-15 | 莱芜钢铁集团有限公司 | A kind of steel mesh with thermosetting method |
| CN109486451A (en) * | 2018-10-23 | 2019-03-19 | 新丰杰力电工材料有限公司 | A kind of pressure-sensitive adhesive agent and preparation method thereof and adhesive tape |
| CN110055004A (en) * | 2019-04-24 | 2019-07-26 | 中山市旭森涂层材料有限公司 | A kind of aqueous PP faces patch and its manufacture craft directly |
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Application publication date: 20140212 |