CN102533097A - Polyamide imide insulating paint and preparation method thereof - Google Patents
Polyamide imide insulating paint and preparation method thereof Download PDFInfo
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- CN102533097A CN102533097A CN2011104279176A CN201110427917A CN102533097A CN 102533097 A CN102533097 A CN 102533097A CN 2011104279176 A CN2011104279176 A CN 2011104279176A CN 201110427917 A CN201110427917 A CN 201110427917A CN 102533097 A CN102533097 A CN 102533097A
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Abstract
The invention designs a polyamide imide insulating paint, which is characterized by comprising 100-120 parts by weight of polyamide imide solution and 2-5 parts by weight of montmorillonite material, wherein the polyamide imide solution mainly comprises the following components in parts by weight: 20-35 parts of polyamide imide resin and 20-60 parts of organic solvent, and the organic solvent is one or more of N-methyl pyrrolidone, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene,1-tetralone, fenchone, phorone and isophorone; and the montmorillonite material mainly comprises montmorillonite. According to the invention, the polyamide imide insulating enamelled wire forms a homogeneous and stable system, has the surface friction coefficient below 0.30 and indexes satisfying standard requirements of international electrotechnical commission (IEC), and is particularly suitable to be used as enamelled wire insulating paint for coating the surface of a copper wire.
Description
Affiliated technical field
The present invention relates to a kind of polyamidoimide insullac, especially a kind of self-lubricating is strong, the life-span is long, wear resistance is high and resistant to elevated temperatures polyamidoimide insullac; The invention still further relates to a kind of preparation method of polyamidoimide insullac.
Background technology
Self-lubricating heat resistant polyamide imide insullac is mainly used in the enameled wire industry at present.At present existing self-lubricating heat resistant polyamide imide insullac, commonplace in the application in market, but the problem that exists is the self-lubricating ability remains that this advances, and wear resistance needs further to improve; In order to satisfy the demand on the market, be badly in need of the strong self-lubricating of development of new, long-life heat resistant polyamide imide insullac.
Summary of the invention
First technical problem that the present invention will solve provides that a kind of self-lubricating is strong, the life-span is long, wear resistance is high and resistant to elevated temperatures polyamidoimide insullac.
Second technical problem that the present invention will solve provides that a kind of self-lubricating is strong, the life-span is long, wear resistance is high and the preparation method of resistant to elevated temperatures polyamidoimide insullac.
First technical problem that the present invention will solve, can realize through following technical scheme: a kind of polyamidoimide insullac is characterized in that: comprise that the weight part proportioning is 100～120 parts polyamidoimide solution and 2～5 parts montmorillonite material;
Wherein, said polyamidoimide solution mainly comprises following components in weight portions:
Polyamide-imide resin: 20-35 part,
Organic solvent: 20-60 part, said organic solvent be in N-Methyl pyrrolidone, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene, 1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, the isophorone any one or more than one make up arbitrarily;
Said montmorillonite material mainly comprises polynite.
Wherein: N-Methyl pyrrolidone can dissolve each other with material such as ester class, volatility is low, thermostability and chemicalstability are all good, and N-Methyl pyrrolidone is little to environmental influence, and low price is the most preferably material of the organic solvent among the application simultaneously.
Chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene all belong to the benzene class, itself can be used as organic dissolve, and can dissolve each other with other organic solvents simultaneously, and be separately normal or mix as solvent, in particular as the solvent of resin in Chemical Manufacture.
1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, isophorone are ketone, and chemical property is active, and work commonly used is the solvent of resin etc. for example.
Above organic solvent can be according to demand of practical production; To the finished product performance demands of different; In conjunction with the cost of each material, the complexity that different areas obtain,, select optimum a kind of material wherein to use as organic solvent separately to factors such as environmental influences; Or the combination of selecting more than one arbitrary substances is used as organic solvent and uses, to reach only scheme.
Polynite is very ideal polymer modification agent, has good antiacid dissolubility, very low cation exchange capacity, physico-chemical property such as resistivity against fire preferably; Polynite can widespread use polymkeric substance macromolecular material additive, improve shock resistance, antifatigue, dimensional stability and gas barrier property etc., thereby play the effect that strengthens the comprehensive physicals of polymkeric substance, improve the material processing characteristics simultaneously.Therefore after an amount of polynite being added the insullac system; Can make product that more satisfactory mechanical property and thermostability are arranged; Can form certain wear-resisting point on the surface of material, strengthen its wear resisting property and lubricity, can improve its erosion resistance and insulating property.
On the basis of the above, for reducing the viscosity of product, increase its flowability, the present invention can do further improvement: also comprise thinner in the said polyamidoimide solution: 0.1-10 part (weight part proportioning); Said thinner be in Bisphthalate, Witcizer 300, diisobutyl phthalate, DOP, diamyl phthalate or the di-iso-amyl phthalate any one or more than one make up arbitrarily.Described thinner is the ester class, can be dissolved in various organic solvents, and these thinners have very proximate character, in the system of insullac, can be according to the practical situation of producing, select any one or more than one make up use arbitrarily.
On the basis of the above, for increasing polyamide-imide resin dissolving resin property, the present invention can also do following improvement: also comprise first auxiliary agent in the said polyamidoimide solution: 0.1-20 part (weight part proportioning); Said first auxiliary agent be in toluene, benzene, o-Xylol, m-xylene, the p-Xylol any one or more than one make up arbitrarily.The above-mentioned first auxiliary agent chemical property is active, and it is very approximate to have character, in the system of insullac, can utilize the very proximate characteristic of these dissolution aids according to the practical situation of producing, select any one or more than one make up use arbitrarily.
On the basis of the above, for further increasing polyamide-imide resin dissolving resin property, the present invention can also do further improvement: also comprise second auxiliary agent in the said polyamidoimide solution: 0.1-20 part (weight part proportioning); Said second auxiliary agent be in ethylbenzene, second propyl benzene, butylbenzene-, isobutyl-benzene, the tert.-butylbenzene any one or more than one make up arbitrarily.The above-mentioned second auxiliary agent chemical property is active, and it is very approximate to have character, in the system of insullac, can utilize the very proximate characteristic of these dissolution aids according to the practical situation of producing, select any one or more than one make up use arbitrarily.
On the basis of the above, for further increasing polyamide-imide resin dissolving resin property and flowability, the present invention can also do improvement further: also comprise the 3rd auxiliary agent in the said polyamidoimide solution: 0.1-20 part (weight part proportioning); Said the 3rd auxiliary agent be in 2-butanone (being methyl ethyl ketone), ketopentamethylene, the pimelinketone any one or more than one make up arbitrarily.Above-mentioned the 3rd auxiliary agent chemical property is active, and it is very approximate to have character, in the system of insullac, can utilize the very proximate characteristic of these dissolution aids according to the practical situation of producing, select any one or more than one make up use arbitrarily.
For improving the mutual solubility of polynite and polyamidoimide solution, further strengthen its mechanical property and insulating property, and can make the finished product have long lifetime and good self-lubricating property; On the basis of the above, the present invention can also do following improvement: said montmorillonite material also comprises coupling agent and/or tensio-active agent; Polynite in the said montmorillonite material and coupling agent are: 10: 2-4 part (weight part proportioning); Polynite in the said montmorillonite material and tensio-active agent are 10: 0.2-0.35 part (weight part proportioning); Coupling agent can reduce the viscosity of resin melt, improves dispersity with the raising processing characteristics, and then makes goods obtain favorable surface quality and machinery, heat and electrical property; Tensio-active agent aligns at the surface energy of solution, and the material that surface tension is significantly descended; Add coupling agent separately, or add separately tensio-active agent and can both to a certain degree improve the performance of polynite in polynite; But preferably add an amount of coupling agent and tensio-active agent simultaneously; Two kinds of material actings in conjunction can be reduced to better level with the surface tension of polynite, are beneficial to the tension force of the discrete surface in organic system.
On the basis of the above, the polynite in the montmorillonite material according to the invention is a Nano grade; Nano material has better dispersiveness, and thermostability is stronger, is added in the macromolecular material to have strengthened mechanical property.
Coupling agent in the said montmorillonite material is a silane coupling agent, and tensio-active agent is a cats product; The general formula of silane coupling agent is RSiX3; R represents groups such as amino, sulfydryl, vinyl, epoxy group(ing), cyanic acid and methacryloxy in the formula; These groups all have stronger response capacity with different matrix resins, the alkoxyl group (like methoxyl group, oxyethyl group etc.) that X representative can hydrolysis.
Coupling agent in the said montmorillonite material be among silane coupling agent KH550, KH550, KH560, KH570, KH792, DL602, the DL171 any one or more than one make up arbitrarily.
Cats product in the said montmorillonite material be in polysorbate60, Vilaterm polyamines salt, agent rope Luo Ming A, the fatty amine salt any one or more than one make up arbitrarily; Above-mentioned several kinds of surfactant properties are similar, can mix use by arbitrary proportion, stir as long as simply melt during mixing.
Fatty amine salt in the said montmorillonite material is with in hydrochloric acid, formic acid, the acetate and the product that obtains of kiber alkyl amine, secondary amine and reactive tertiary amine; Can obtain the fatty amine salt that suits the requirements simply through this method, reduce cost.
Second technical problem that the present invention will solve, can solve through following technical scheme: a kind of preparation method of polyamidoimide insullac is characterized in that: the step that comprises following order:
1) preparation polyamidoimide solution: with the weight part proportioning is that the polyamide-imide resin of 20-35 part is dissolved in the organic solvent of 20-60 part, said organic solvent be in N-Methyl pyrrolidone, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene, 1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, the isophorone any one or more than one make up arbitrarily;
2) polynite is added in the polyamidoimide solution prepare stir, the weight part proportioning of polynite polyamidoimide solution is 100～120: 2～5 parts.
On the basis of the above, for reducing the viscosity of product, increase its flowability, the present invention can do further improvement: also comprise the adding thinner in the step of said preparation polyamidoimide solution: 0.1-10 part (weight part proportioning); Said thinner be in Bisphthalate, Witcizer 300, diisobutyl phthalate, DOP, diamyl phthalate or the di-iso-amyl phthalate any one or more than one make up arbitrarily.Described thinner is the ester class, can be dissolved in various organic solvents, and these thinners have very proximate character, in the system of insullac, can be according to the practical situation of producing, select any one or more than one make up use arbitrarily.
On the basis of the above, for increasing polyamide-imide resin dissolving resin property, the present invention can also do following improvement: also comprise in the step of said preparation polyamidoimide solution adding first auxiliary agent: 0.1-20 part (weight part proportioning); Said first auxiliary agent be in toluene, benzene, o-Xylol, m-xylene, the p-Xylol any one or more than one make up arbitrarily.The above-mentioned first auxiliary agent chemical property is active, and it is very approximate to have character, in the system of insullac, can utilize the very proximate characteristic of these dissolution aids according to the practical situation of producing, select any one or more than one make up use arbitrarily.
On the basis of the above, for further increasing polyamide-imide resin dissolving resin property, the present invention can also do further improvement: also comprise in the step of said preparation polyamidoimide solution adding second auxiliary agent: 0.1-20 part (weight part proportioning); Said second auxiliary agent be in ethylbenzene, second propyl benzene, butylbenzene-, isobutyl-benzene, the tert.-butylbenzene any one or more than one make up arbitrarily.The above-mentioned second auxiliary agent chemical property is active, and it is very approximate to have character, in the system of insullac, can utilize the very proximate characteristic of these dissolution aids according to the practical situation of producing, select any one or more than one make up use arbitrarily.
On the basis of the above; For further increasing polyamide-imide resin dissolving resin property and flowability, the present invention can also do improvement further: also comprise in the step of said preparation polyamidoimide solution adding the 3rd auxiliary agent: 0.1-20 part (weight part proportioning); Said the 3rd auxiliary agent be in 2-butanone (being methyl ethyl ketone), ketopentamethylene, the pimelinketone any one or more than one make up arbitrarily.Above-mentioned the 3rd auxiliary agent chemical property is active, and it is very approximate to have character, in the system of insullac, can utilize the very proximate characteristic of these dissolution aids according to the practical situation of producing, select any one or more than one make up use arbitrarily.
For improving the mutual solubility of polynite and polyamidoimide solution, further strengthen its mechanical property and insulating property, and can make the finished product have long lifetime and good self-lubricating property.On the basis of the above, the present invention can also do further improvement: said polynite is carried out pre-treatment before the polyamidoimide solution that adding prepares, and the pre-treatment of said polynite comprises adding coupling agent and/or tensio-active agent; Said polynite and coupling agent are: 10: 2-4 part (weight part proportioning); Said polynite and tensio-active agent are 10: 0.2-0.35 part (weight part proportioning); Coupling agent can reduce the viscosity of resin melt, improves dispersity with the raising processing characteristics, and then makes goods obtain favorable surface quality and machinery, heat and electrical property; Tensio-active agent aligns at the surface energy of solution, and the material that surface tension is significantly descended; Add coupling agent separately, or add separately tensio-active agent and can both to a certain degree improve the performance of polynite in polynite; But preferably add an amount of coupling agent and tensio-active agent simultaneously; Two kinds of material actings in conjunction can be reduced to better level with the surface tension of polynite, are beneficial to the tension force of the discrete surface in organic system.
On the basis of the above, the present invention can also do improvement further: the pre-treatment of said polynite is carried out dispersion treatment after also comprising adding coupling agent and/or tensio-active agent; Said dispersion treatment is under the temperature of room temperature to 60 ℃, to use ultrasonic dispersing 10-50 minute.Adopt UW to disperse to increase its dispersed degree of stability later to pretreated polynite with dispersion.The dispersive method is a lot, and mechanical stirring also can satisfy the demands, but ultrasonic dispersing has the advantage that temperature is low, the time is short, dispersion effect is good.Room temperature dispersive words can reduce the dispersive solvent evaporates effectively, protection environment and reducing cost, but the time that needs is longer; The dispersion temperature height then can reduce the viscosity of lacquer, increases flowability, improves dispersion effect, and the time that the temperature height needs is short.When actual production, can in above-mentioned numerical range, reasonably select as the case may be.
On the basis of the above; In the step of preparation polyamidoimide solution according to the invention, at first polyamide-imide resin is dissolved in N-Methyl pyrrolidone, after stirring is dissolved fully; Add thinner, first auxiliary agent, second auxiliary agent and the 3rd auxiliary agent more successively, the dissolving back is subsequent use fully; Because the difference of each material self-characteristic, dissolved speed is not only identical, can reduce the needed time of dissolving effectively according to above-mentioned sequencing, accelerates dissolved speed.
On the basis of the above, while stirring, the present invention adds the pretreated polynite of process in the polyamidoimide solution that has prepared; Can avoid each material to reunite effectively, influence dispersion effect.
When in polyamidoimide solution, adding through pretreated polynite; The viscosity that temperature is crossed each material when hanging down is too big; Be unfavorable for stirring; Organic solvent, thinner, first auxiliary agent, second auxiliary agent and the 3rd auxiliary agent were all can evaporation rate too fast so on the basis of the above when temperature was too high, and the present invention can do following improvement: in the polyamidoimide solution that has prepared, on one side in the TR of room temperature to 60 degree, stir to add and pass through pretreated polynite.
In polyamidoimide solution, add during stirring through pretreated polynite; Speed is slow excessively; Be unfavorable for stirring; Excessive velocities then can produce thermal conductance and cause organic solvent, thinner, first auxiliary agent, second auxiliary agent and the volatilization of the 3rd auxiliary agent, and therefore on the basis of the above, the present invention can also do following improvement: the stirring velocity when in polyamidoimide solution, adding through pretreated polynite is 300-1000 rev/min.
On the basis of the above, the polynite in the adding polyamidoimide solution according to the invention is a Nano grade; Nano material has better dispersiveness, and thermostability is stronger, is added in the macromolecular material to have strengthened mechanical property.
The coupling agent that adds in the pre-treatment of said polynite is a silane coupling agent; The tensio-active agent that adds in the pre-treatment of said polynite is a cats product; The general formula of silane coupling agent is RSiX3; R represents groups such as amino, sulfydryl, vinyl, epoxy group(ing), cyanic acid and methacryloxy in the formula; These groups all have stronger response capacity with different matrix resins, the alkoxyl group (like methoxyl group, oxyethyl group etc.) that X representative can hydrolysis.
The coupling agent that adds in the pre-treatment of said polynite be among silane coupling agent KH550, KH560, KH570, KH792, DL602, the DL171 any one or more than one make up arbitrarily.
The cats product that adds in the pre-treatment that said illiteracy is taken off be in polysorbate60, Vilaterm polyamines salt, agent rope Luo Ming A, the fatty amine salt any one or more than one make up arbitrarily; Above-mentioned several kinds of surfactant properties are similar, can mix use by arbitrary proportion, stir as long as simply melt during mixing.
The fatty amine salt that adds in the pre-treatment of said polynite is with in hydrochloric acid, formic acid, the acetate and the product that obtains of kiber alkyl amine, secondary amine and reactive tertiary amine; Can obtain the fatty amine salt that suits the requirements simply through this method, reduce cost.
Dispersion treatment in the pre-treatment of said polynite is 10-30 minute for the time of adopting ultrasonic dispersing to handle.To insullac environment requirement commonly used, adopt ultrasonic dispersing can guarantee the performance that the finished product reach to be needed in 10-30 minute.
Polyamidoimide enamel insulated wire provided by the invention forms the system of homogeneous stability, and skin friction coefficient is below 0.30, and each item index satisfies International Power IEC standard-required, especially suitable enamelled wire insulated paint use as the coating copper line surface.
Embodiment
Embodiment 1
The polyamidoimide insullac that present embodiment provides, it comprises that the weight part proportioning is 100～120 parts polyamidoimide solution and 2～5 parts montmorillonite material;
Wherein, polyamidoimide solution comprises following components in weight portions:
Polyamide-imide resin: 20-35 part,
Organic solvent N-Methyl pyrrolidone as the polyamide-imide resin solvent: 20-60 part,
Bisphthalate as thinner: 0.1-10 part
Toluene as first auxiliary agent: 0.1-20 part,
Ethylbenzene as second auxiliary agent: 0.1-20 part,
2-butanone (being methyl ethyl ketone) as the 3rd auxiliary agent: 0.1-20 part.
Montmorillonite material comprises following components in weight portions:
The polynite of Nano grade: 10 parts,
Silane coupling agent KH550:2-4 part,
Polysorbate60: 0.20-0.35 part.
Wherein, Organic solvent as the polyamide-imide resin solvent; Except the N-Methyl pyrrolidone of independent employing, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene, 1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, isophorone all has and the very proximate character of N-Methyl pyrrolidone; These very proximate character all can reach the purpose of dissolving polyamide-imide resin to utilize them, therefore can from above-mentioned organic solution, select a kind of arbitrarily; Because these organic solvents all have good mutual solubility, therefore can select more than one arbitrary combination in the above-mentioned organic solvent, simultaneously to reach only effect according to the particular case of actual production.
In like manner; Thinner is except the Bisphthalate of independent employing; Can also adopt that character is approximate, in Witcizer 300, diisobutyl phthalate, DOP, diamyl phthalate or the di-iso-amyl phthalate that can dissolve each other any one, more than one make up arbitrarily in the perhaps above thinner.
In like manner, first auxiliary agent can also adopt that character is approximate, in the benzene that can dissolve each other, o-Xylol, m-xylene, p-Xylol any one except the toluene of independent employing, and more than one make up arbitrarily in the perhaps above auxiliary agent.
In like manner, second auxiliary agent can also adopt that character is approximate, in the second propyl benzene that can dissolve each other, butylbenzene-, isobutyl-benzene, tert.-butylbenzene any one except the ethylbenzene of independent employing, and more than one make up arbitrarily in the perhaps above auxiliary agent.
In like manner, the 3rd auxiliary agent can also adopt that character is approximate, the ketopentamethylene that can dissolve each other, in the pimelinketone any one except the 2-butanone (being methyl ethyl ketone) of independent employing, and more than one make up arbitrarily in the perhaps above auxiliary agent.
Coupling agent in the montmorillonite material; Except the silane coupling agent KH550 of independent employing; The domestic existing silane coupling agent model of China: KH560, KH570, KH792, DL602, DL171 all have the very proximate character with model KH550; These very proximate character of utilizing them all can reach and meet the demands, and therefore can from above-mentioned organic solution, select a kind of arbitrarily; Because these silane coupling agents all have good mutual solubility, therefore can select more than one arbitrary combination in the above-mentioned silane coupling agent, simultaneously to reach only effect according to the particular case of actual production.
In like manner; Tensio-active agent in the montmorillonite material; Except the polysorbate60 of independent employing, can also adopt that character is approximate, in the Vilaterm polyamines salt that can dissolve each other, agent rope Luo Ming A, fatty amine salt any one, more than one make up arbitrarily in the perhaps above tensio-active agent.
Embodiment 2
The preparation method of the polyamidoimide insullac that present embodiment provides, it comprises the step of following order:
1) preparation polyamidoimide solution:
With the weight part proportioning is that the polyamide-imide resin of 20-35 part is dissolved in 20-60 part as in the N-Methyl pyrrolidone of polyamide-imide resin solvent; After stirring dissolving fully; After adding 0.1-10 part more successively and treating to dissolve fully as the 2-butanone of the 3rd auxiliary agent as ethylbenzene, 0.1-20 part of second auxiliary agent as toluene, 0.1-20 part of first auxiliary agent, subsequent use as the Bisphthalate of thinner, 0.1-20 part;
2) pre-treatment of polynite:
With the weight part proportioning is that 10 parts Nano grade polynite, the silane coupling agent KH550 of 2-4 part and the polysorbate60 of 0.20-0.35 part mix, and then under the room temperature, adopts in the ultrasonic cleaner and disperseed 10-30 minute, subsequent use;
3) in the polyamidoimide solution for preparing by step 1), in the TR of room temperature to 60 degree, with 300-1000 rev/min stirring velocity, add through step 2 while stir) pretreated montmorillonite material.
Wherein, Organic solvent as the polyamide-imide resin solvent; Except the N-Methyl pyrrolidone of independent employing; 2-methyl pyrrolidone, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene, 1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, isophorone all have and the very proximate character of N-Methyl pyrrolidone, and these very proximate character all can reach the purpose of dissolving polyamide-imide resin to utilize them, so can from above-mentioned organic solution, select a kind of arbitrarily; Because these organic solvents all have good mutual solubility, therefore can select more than one arbitrary combination in the above-mentioned organic solvent, simultaneously to reach only effect according to the particular case of actual production.
In like manner; Thinner is except the Bisphthalate of independent employing; Can also adopt that character is approximate, in Witcizer 300, diisobutyl phthalate, DOP, diamyl phthalate or the di-iso-amyl phthalate that can dissolve each other any one, more than one make up arbitrarily in the perhaps above thinner.
In like manner, first auxiliary agent can also adopt that character is approximate, in the benzene that can dissolve each other, o-Xylol, m-xylene, p-Xylol any one except the toluene of independent employing, and more than one make up arbitrarily in the perhaps above auxiliary agent.
In like manner, second auxiliary agent can also adopt that character is approximate, in the second propyl benzene that can dissolve each other, butylbenzene-, isobutyl-benzene, tert.-butylbenzene any one except the ethylbenzene of independent employing, and more than one make up arbitrarily in the perhaps above auxiliary agent.
In like manner, the 3rd auxiliary agent can also adopt that character is approximate, the ketopentamethylene that can dissolve each other, in the pimelinketone any one except the 2-butanone (being methyl ethyl ketone) of independent employing, and more than one make up arbitrarily in the perhaps above auxiliary agent.
Coupling agent in the montmorillonite material; Except the silane coupling agent KH550 of independent employing; The domestic existing silane coupling agent model of China: KH560, KH570, KH792, DL602, DL171 all have the very proximate character with model KH550; These very proximate character of utilizing them all can reach and meet the demands, and therefore can from above-mentioned organic solution, select a kind of arbitrarily; Because these silane coupling agents all have good mutual solubility, therefore can select more than one arbitrary combination in the above-mentioned silane coupling agent, simultaneously to reach only effect according to the particular case of actual production.
In like manner; Tensio-active agent in the montmorillonite material; Except the polysorbate60 of independent employing, can also adopt that character is approximate, in the Vilaterm polyamines salt that can dissolve each other, agent rope Luo Ming A, fatty amine salt any one, more than one make up arbitrarily in the perhaps above tensio-active agent.
Claims (28)
1. a polyamidoimide insullac is characterized in that: comprise that the weight part proportioning is 100～120 parts polyamidoimide solution and 2～5 parts montmorillonite material;
Wherein, said polyamidoimide solution mainly comprises following components in weight portions:
Polyamide-imide resin: 20-35 part,
Organic solvent: 20-60 part, said organic solvent be in N-Methyl pyrrolidone, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene, 1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, the isophorone any one or more than one make up arbitrarily;
Said montmorillonite material mainly comprises polynite.
2. polyamidoimide insullac according to claim 1 is characterized in that: also comprise thinner in the said polyamidoimide solution: 0.1-10 part (weight part proportioning); Said thinner be in Bisphthalate, Witcizer 300, diisobutyl phthalate, DOP, diamyl phthalate or the di-iso-amyl phthalate any one or more than one make up arbitrarily.
3. polyamidoimide insullac according to claim 2 is characterized in that: also comprise first auxiliary agent in the said polyamidoimide solution: 0.1-20 part (weight part proportioning); Said first auxiliary agent be in toluene, benzene, o-Xylol, m-xylene, the p-Xylol any one or more than one make up arbitrarily.
4. polyamidoimide insullac according to claim 3 is characterized in that: also comprise second auxiliary agent in the said polyamidoimide solution: 0.1-20 part (weight part proportioning); Said second auxiliary agent be in ethylbenzene, second propyl benzene, butylbenzene-, isobutyl-benzene, the tert.-butylbenzene any one or more than one make up arbitrarily.
5. polyamidoimide insullac according to claim 4 is characterized in that: also comprise the 3rd auxiliary agent in the said polyamidoimide solution: 0.1-20 part (weight part proportioning); Said the 3rd auxiliary agent be in 2-butanone (being methyl ethyl ketone), ketopentamethylene, the pimelinketone any one or more than one make up arbitrarily.
6. polyamidoimide insullac according to claim 5 is characterized in that: said montmorillonite material also comprises coupling agent; Polynite in the said montmorillonite material and coupling agent are: 10: 2-4 part (weight part proportioning).
7. according to claim 5 or 6 described polyamidoimide insullac, it is characterized in that: said montmorillonite material also comprises tensio-active agent; Polynite in the said montmorillonite material and tensio-active agent are 10: 0.2-0.35 part (weight part proportioning).
8. polyamidoimide insullac according to claim 7 is characterized in that: the polynite in the said montmorillonite material is a Nano grade
9. polyamidoimide insullac according to claim 8 is characterized in that: the coupling agent in the said montmorillonite material is a silane coupling agent, and tensio-active agent is a cats product.
10. polyamidoimide insullac according to claim 9 is characterized in that: the coupling agent in the said montmorillonite material be among silane coupling agent KH550, KH550, KH560, KH570, KH792, DL602, the DL171 any one or more than one make up arbitrarily.
11. polyamidoimide insullac according to claim 10 is characterized in that: the cats product in the said montmorillonite material be in polysorbate60, Vilaterm polyamines salt, agent rope Luo Ming A, the fatty amine salt any one or more than one make up arbitrarily.
12. the preparation method of a polyamidoimide insullac is characterized in that: the step that comprises following order:
1) preparation polyamidoimide solution: with the weight part proportioning is that the polyamide-imide resin of 20-35 part is dissolved in the organic solvent of 20-60 part, said organic solvent be in N-Methyl pyrrolidone, chlorobenzene, bromobenzene, dichlorobenzene, dibromobenzene, 1-Tetralone an intermediate of Sertraline, fenchone, sym.-diisopropylideneacetone, the isophorone any one or more than one make up arbitrarily;
2) polynite is added in the polyamidoimide solution prepare stir, the weight part proportioning of polynite polyamidoimide solution is 100～120: 2～5 parts.
13. polyamidoimide insullac according to claim 12 is characterized in that: also comprise the adding thinner in the step of said preparation polyamidoimide solution: 0.1-10 part (weight part proportioning); Said thinner be in Bisphthalate, Witcizer 300, diisobutyl phthalate, DOP, diamyl phthalate or the di-iso-amyl phthalate any one or more than one make up arbitrarily.
14. polyamidoimide insullac according to claim 13 is characterized in that: also comprise in the step of said preparation polyamidoimide solution adding first auxiliary agent: 0.1-20 part (weight part proportioning); Said first auxiliary agent be in toluene, benzene, o-Xylol, m-xylene, the p-Xylol any one or more than one make up arbitrarily.
15. polyamidoimide insullac according to claim 14 is characterized in that: also comprise in the step of said preparation polyamidoimide solution adding second auxiliary agent: 0.1-20 part (weight part proportioning); Said second auxiliary agent be in ethylbenzene, second propyl benzene, butylbenzene-, isobutyl-benzene, the tert.-butylbenzene any one or more than one make up arbitrarily.
16. polyamidoimide insullac according to claim 15 is characterized in that: also comprise in the step of said preparation polyamidoimide solution adding the 3rd auxiliary agent: 0.1-20 part (weight part proportioning); Said the 3rd auxiliary agent be in 2-butanone (being methyl ethyl ketone), ketopentamethylene, the pimelinketone any one or more than one make up arbitrarily.
17. polyamidoimide insullac according to claim 16 is characterized in that: said polynite is carried out pre-treatment before the polyamidoimide solution that adding prepares, the pre-treatment of said polynite comprises the adding coupling agent; Said polynite and coupling agent are: 10: 2-4 part (weight part proportioning).
18. according to claim 16 or 17 described polyamidoimide insullac, it is characterized in that: said polynite is carried out pre-treatment before the polyamidoimide solution that adding prepares, the pre-treatment of said polynite comprises the adding tensio-active agent; Said polynite and tensio-active agent are 10: 0.2-0.35 part (weight part proportioning).
19. polyamidoimide insullac according to claim 18 is characterized in that: the pre-treatment of said polynite is carried out dispersion treatment after also comprising adding coupling agent and/or tensio-active agent; Said dispersion treatment is under the temperature of room temperature to 60 ℃, to use ultrasonic dispersing 10-50 minute.
20. polyamidoimide insullac according to claim 19; It is characterized in that: in the step of said preparation polyamidoimide solution; At first polyamide-imide resin is dissolved in N-Methyl pyrrolidone; After stirring dissolving fully, add thinner, first auxiliary agent, second auxiliary agent and the 3rd auxiliary agent more successively, the dissolving back is subsequent use fully.
21. polyamidoimide insullac according to claim 20 is characterized in that: add through pretreated polynite while in the polyamidoimide solution that has prepared, stir.
22. polyamidoimide insullac according to claim 21 is characterized in that: in the polyamidoimide solution that has prepared, on one side in the TR of room temperature to 60 degree, stir to add and pass through pretreated polynite.
23. polyamidoimide insullac according to claim 22 is characterized in that: the stirring velocity when in polyamidoimide solution, adding through pretreated polynite is 300-1000 rev/min.
24. polyamidoimide insullac according to claim 23 is characterized in that: the polynite in the said adding polyamidoimide solution is a Nano grade.
25. polyamidoimide insullac according to claim 24 is characterized in that: the coupling agent that adds in the pre-treatment of said polynite is a silane coupling agent; The tensio-active agent that adds in the pre-treatment of said polynite is a cats product.
26. polyamidoimide insullac according to claim 25 is characterized in that: the coupling agent that adds in the pre-treatment of said polynite be among silane coupling agent KH550, KH560, KH570, KH792, DL602, the DL171 any one or more than one make up arbitrarily.
27. polyamidoimide insullac according to claim 26 is characterized in that: the cats product that adds in the pre-treatment that said illiteracy is taken off be in polysorbate60, Vilaterm polyamines salt, agent rope Luo Ming A, the fatty amine salt any one or more than one make up arbitrarily.
28. polyamidoimide insullac according to claim 27 is characterized in that: the dispersion treatment in the pre-treatment of said polynite is 10-30 minute for the time of adopting ultrasonic dispersing to handle.
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| CN2011104279176A CN102533097A (en) | 2011-12-19 | 2011-12-19 | Polyamide imide insulating paint and preparation method thereof |
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| CN2011104279176A CN102533097A (en) | 2011-12-19 | 2011-12-19 | Polyamide imide insulating paint and preparation method thereof |
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| CN102863875A (en) * | 2012-10-17 | 2013-01-09 | 天津灯塔涂料工业发展有限公司 | Epoxy ester baking insulating paint |
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| CN106280648A (en) * | 2016-08-15 | 2017-01-04 | 亚太水处理(天长)有限公司 | A kind of insullac for slow speed diving propeller and preparation method thereof |
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| CN105838071A (en) * | 2016-04-22 | 2016-08-10 | 广东精达里亚特种漆包线有限公司 | Nanometer polyester imide film containing inorganic oxide and preparation method of nanometer polyester imide film |
| CN106280648A (en) * | 2016-08-15 | 2017-01-04 | 亚太水处理(天长)有限公司 | A kind of insullac for slow speed diving propeller and preparation method thereof |
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Application publication date: 20120704 |