CN102262919A - An environmentally-sensitive resistor of the electrode paste and preparation method - Google Patents

An environmentally-sensitive resistor of the electrode paste and preparation method Download PDF

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CN102262919A
CN102262919A CN 201110202073 CN201110202073A CN102262919A CN 102262919 A CN102262919 A CN 102262919A CN 201110202073 CN201110202073 CN 201110202073 CN 201110202073 A CN201110202073 A CN 201110202073A CN 102262919 A CN102262919 A CN 102262919A
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silver
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CN102262919B (en )
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李宝军
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彩虹集团公司
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本发明公开了一种环保型压敏电阻器用电极银浆及其制备方法,以质量份数计,包括60~80份的银粉、2~4份的镍粉、1~3份的玻璃粉、11~25份的有机粘合剂和3~11份的稀释剂。 The present invention discloses an environmentally-sensitive resistor of electrode silver paste and its preparation method, mass fraction of the total, comprising 60 to 80 parts of silver powder, 2 to 4 parts of nickel powder, 1 to 3 parts of glass frit, 11 to 25 parts of an organic binder, and 3 to 11 parts of a diluent. 本发明提供的环保型压敏电阻器用电极银浆,将通过丝网印刷涂覆好的压敏电阻片高温烧结,烧成后的瓷片可以按照目前行业的正常工艺进行焊接引线、绝缘包封等工艺操作,制成压敏电阻器成品,其性能完全达到目前使用含铅银浆的压敏电阻器的要求。 Environmentally-sensitive resistor of the present invention provides an electrode paste, will, after firing tiles wire can be welded in accordance with the normal current process by screen printing industry The coated varistor high temperature sintering, an insulating encapsulation and other process operations, the finished product made of varistors, which fully meet the performance requirements of present leaded varistor silver paste.

Description

一种环保型压敏电阻器用电极银浆及其制备方法 An environmentally-sensitive resistor of the electrode paste and preparation method

技术领域 FIELD

[0001] 本发明属于电子材料技术领域,涉及一种环保型压敏电阻器用电极银浆及其制备方法。 [0001] The present invention belongs to the technical field of electronic materials, to a green-sensitive silver paste electrode resistor of their preparation.

背景技术 Background technique

[0002] 压敏电阻是一种具有瞬态电压抑制功能的元件,可以用来代替瞬态抑制二极管、 齐纳二极管和电容器的组合。 [0002] The varistor is a transient voltage suppression element having a function that can be used in combination instead of TVS diodes, zener diodes and a capacitor. 压敏电阻可以对IC及其它设备的电路进行保护,防止因静电放电、浪涌及其它瞬态电流(如雷击等)而造成对它们的损坏。 Varistor circuit IC can be protected and other equipment, to prevent electrostatic discharge, and other transient surge currents (e.g., lightning, etc.) damage thereof. 压敏电阻一般并联在电路中使用,当压敏电阻两端的电压发生急剧变化时,压敏电阻短路将电流保险丝熔断,起到保护作用。 Varistor generally used in parallel in the circuit, when sudden change occurs across the resistor voltage-sensitive, the short-circuit current varistor fuse blows, play a protective role. 压敏电阻在电路中,常用于电源过压保护和稳压。 Varistor in the circuit, commonly used for power regulation and overvoltage protection.

[0003] 目前使用在压敏电阻上的电极浆料主要是含铅银浆,主要由银粉、含铅玻璃粉、有机树脂和溶剂组成。 [0003] currently being used in the varistor electrode paste mainly containing lead paste, mainly composed of silver powder, glass frit containing lead, an organic resin and a solvent. 压敏电阻银浆目前国内年使用量在100吨以上,但国内厂家多生产含铅(Pb)的银浆,不符合电子行业的出口环保标准:欧盟的RoHS指令(不含Pb、Cd、Hg、 Cr(VI)、多溴联苯PBB、多溴联苯醚PBDE),将国产银浆无铅化势在必行。 Varistor Silver present, the annual amount of 100 tons, but domestic manufacturers to produce more silver paste containing lead (Pb), and does not meet the electronics industry's export environmental standards: EU RoHS directive (excluding Pb, Cd, Hg , Cr (VI), polybrominated biphenyls PBB, polybrominated diphenyl ethers PBDE), the lead-free silver paste made imperative.

发明内容 SUMMARY

[0004] 本发明解决的问题在于提供一种环保型压敏电阻器用电极银浆及其制备方法,符合欧盟RoHS的环保要求,是目前普遍使用的含铅银浆的取代物之一。 [0004] The problem addressed by the invention is to provide an environmentally-sensitive resistor of electrode silver paste and its preparation method, EU RoHS environmental compliance is one of the lead-silver currently used by substituents.

[0005] 本发明是通过以下技术方案来实现: [0005] The present invention is achieved by the following technical solution:

[0006] 一种环保型压敏电阻器用电极银浆,以质量份数计,包括60〜80份的银粉、2〜4 份的镍粉、1〜3份的玻璃粉、11〜25份的有机粘合剂和3〜11份的稀释剂; [0006] A resistor of environmentally-sensitive silver paste electrodes, fraction of the total mass, comprising 60~80 parts of silver powder, 2 ~ 4 parts nickel powder, glass frit parts 1~3, 11~25 parts 3~11 parts of an organic binder and a diluent;

[0007] 所述的玻璃粉是由Bi203、Si02、Sr0、SiOJ2O3和Li2O粉末混合后在900〜1200°C 烧结而成的,所述的混合按照的质量比为Bi2O3 : SiO2 : SrO : ZnO : B2O3 : Li2O= (60〜 70) : (11 〜15) : 0〜6) : (6 〜10) : (6 〜10) : (1 〜3)。 [0007] The glass frit is Bi203, the Si02 Sr0 SiOJ2O3 powder are mixed, and Li2O sintered at 900~1200 ° C, said mixed in a mass ratio of Bi2O3: SiO2: SrO: ZnO: B2O3: Li2O = (60~ 70): (11 ~15): 0~6): (6 ~10): (6 ~10): (1 ~3).

[0008] 所述的有机粘合剂是以有机溶剂为溶剂,以质量分数计,包括10〜20%的乙基纤维素和5〜10%的酚醛树脂; [0008] The organic binder is an organic solvent as a solvent, mass fraction, comprising 10-20% of ethyl cellulose and 5 to 10% phenolic resin;

[0009] 所述的有机溶剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇中的一种或几种。 [0009] The organic solvent is one or more of butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol in .

[0010] 所述的稀释剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇、蓖麻油、环己酮中的一种或几种。 [0010] The diluent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol, castor oil, cyclohexanone of one or more.

[0011] 一种环保型压敏电阻器用电极银浆的制备方法,包括以下步骤: [0011] A method for producing environmentally friendly type pressure-sensitive resistor of the silver paste electrodes, comprising the steps of:

[0012] 1)将Bi203、SiO2, SrO, ZnO、B2O3和Li2O粉末按照以下质量比混合后在900〜 1200°C烧结30〜60min,并用10〜25°C的水淬火后,再研磨至粒径为0. 5〜2μπι,得到玻璃粉; [0012] 1) Bi203, SiO2, SrO, ZnO, B2O3, and Li2O powder mixed in the ratio of 900~ 1200 ° C sintering 30~60min following quality, and quenched with water after 10~25 ° C, and then ground to a grain diameter of 0. 5~2μπι, to give glass powder;

[0013]所述的质量比为:Bi2O3 : SiO2 : SrO : ZnO : B2O3 : Li2O= (60 〜70) : (11 〜 15) : O 〜6) : (6 〜10) : (6 〜10) : (1 〜3);[0014] 2)按质量份数计,将60〜80份的银粉、2〜4份的镍粉、1〜3份的玻璃粉、10〜 20份的有机粘合剂充分混勻后研磨,在充分研磨后,再加入1〜5份的有机粘合剂和3〜 11份的稀释剂,搅拌均勻,得到环保型压敏电阻器用电极银浆。 [0013] The mass ratio of: Bi2O3: SiO2: SrO: ZnO: B2O3: Li2O = (60 ~70): (11 ~ 15): O ~6): (6 ~10): (6 ~10) : (1 ~ 3); [0014] 2) parts by mass basis, 60~80 parts of the silver powder, 2 ~ 4 parts nickel powder, 1 ~ 3 parts of glass frit, an organic binder 10~ 20 parts mix well after milling agent, after sufficient milling, was added 1 ~ 5 parts of an organic binder, and 3 ~ 11 parts of a diluent, stirred uniformly, and environmentally-sensitive resistor of electrode silver paste.

[0015] 所述的玻璃粉在研磨之后还过200〜400目筛并烘干水分。 Said glass frit [0015] After milling through 200~400 mesh sieve and further dried moisture.

[0016] 所述的稀释剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇、蓖麻油、环己酮中的一种或几种。 [0016] The diluent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol, castor oil, cyclohexanone of one or more.

[0017] 所述的有机粘合剂的制备为: The organic binder is prepared [0017] as follows:

[0018] 将乙基纤维素和酚醛树脂加入到有机溶剂中,加热至90〜120°C并充分搅拌使乙基纤维素和酚醛树脂溶解,得到有机粘合剂。 [0018] The ethyl cellulose and phenolic resin was added to the organic solvent and heated to 90~120 ° C and sufficiently stirred to dissolve ethyl cellulose and phenolic resins, to obtain an organic binder.

[0019] 所述的有机溶剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇中的一种或几种。 [0019] The organic solvent is one or more of butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol in .

[0020] 所述的银粉的平均粒径为0. 3〜5 μ m,并在80〜120°C干燥2〜汕进行预处理。 [0020] The average particle size of the silver powder is 0. 3~5 μ m, and dried at 80~120 ° C 2~ Shan pretreatment.

[0021] 与现有技术相比,本发明具有以下有益的技术效果: [0021] Compared with the prior art, the present invention has the following advantageous technical effects:

[0022] 本发明提供的环保型压敏电阻器用电极银浆,添加SrO和氏03的玻璃粉与压敏电阻器的基体在烧结时更容易共熔,形成新的均一的相态,增强电极的附着力。 [0022] environmentally-sensitive resistor of the present invention provides an electrode silver paste, SrO and adding glass powder's base 03 and the varistor easier eutectic during sintering, formation of the new homogeneous phase, enhanced electrode adhesion. 环保型压敏电阻器用电极银浆,通过丝网印刷的方法涂覆在压敏电阻器的基片两个表面,烧结后作为电极,具有高通流量、高耐电压、高电容量、附着力强和耐焊接性的特点。 Environmentally-sensitive resistor of electrode silver paste, applied by the screen printing method after varistor both surfaces of a substrate, a sintered electrode having a high-pass flow, strong resistance to high voltage, high capacity, adhesion weldability and resistance characteristics.

[0023] 本发明提供的环保型压敏电阻器用电极银浆,将通过丝网印刷涂覆好的压敏电阻片高温烧结,烧成后的瓷片可以按照目前行业的正常工艺进行焊接引线、绝缘包封等工艺操作,制成压敏电阻器成品,其性能完全达到目前使用含铅银浆的压敏电阻器的要求。 [0023] environmentally-sensitive resistor of the present invention provides an electrode paste, will, after firing tiles wire can be welded in accordance with the normal current process by screen printing industry The coated varistor sintering temperature, other insulating encapsulation process operation, made varistor finished, the performance fully meet the requirements of the currently used lead silver varistor.

[0024] 本发明提供的环保型压敏电阻器用电极银浆,符合欧盟RoHS的环保要求,不含Pb、Cd、Hg、Cr (VI)、多溴联苯PBB、多溴联苯醚PBDE。 [0024] environmentally-sensitive resistor of the present invention provides an electrode paste are RoHS environmental requirements, containing no Pb, Cd, Hg, Cr (VI), the PBB polybrominated biphenyls, polybrominated diphenyl ethers PBDE.

具体实施方式 detailed description

[0025] 本发明提供的环保型压敏电阻器用电极银浆,通过丝网印刷的方法涂覆在压敏电阻器的基片两个表面,烧结后作为电极,替代目前的电极银浆,又符合环保要求。 [0025] environmentally-sensitive resistor of the present invention provides an electrode silver paste by screen printing method of coating a varistor after both surfaces of a substrate, a sintered electrode, replace the current electrode silver paste, and comply with environmental requirements. 下面结合具体的实施例对本发明做进一步的详细说明,所述是对本发明的解释而不是限定。 The following embodiments with reference to specific embodiments of the present invention will be further described in detail, the present invention is explained and not restrictive.

[0026] 环保型压敏电阻器用电极银浆,主要由银粉、镍粉、玻璃粉、有机粘合剂和稀释剂组成。 [0026] environmentally-sensitive resistor of electrode paste mainly composed of silver powder, nickel powder, glass powder, an organic binder and a diluent.

[0027] 玻璃粉为无铅玻璃粉,其原料组份为=Bi2O3 60〜70% ;SiO2 11〜15% ;SrO 2〜 6% ;ZnO 6 〜10% ;B2O3 6 〜10% ;Li2O 1 〜3% ; [0027] Lead-free glass frit is a glass frit, raw material components of which parts = Bi2O3 60~70%; SiO2 11~15%; SrO 2~ 6%; ZnO 6 ~10%; B2O3 6 ~10%; Li2O 1 ~ 3%;

[0028] 其制备方法为:按照组份配比称量好各组份原料,混合均勻后置于高温炉加热,温度控制范围:900〜1200°C,保温时间:30〜60min,将熔化后的玻璃粉末颗粒使用常温去离子水淬火后,球磨至粒径为0. 5〜2um,200〜400目过筛、烘干备用; [0028] The preparation method as: Good weighed according to the component ratio of the material of each component, mixed in a high temperature heating furnace, the temperature control range: 900~1200 ° C, holding time: 30~60min, melted after after the glass powder particles at room temperature using deionized water quenched, milled to a particle size of 0. 5~2um, 200~400 mesh sieve, drying standby;

[0029] 添加SrO和化03的玻璃粉与压敏电阻器的基体在烧结时更容易共熔,形成新的均一的相态,增强电极的附着力。 [0029] SrO is added to the glass powder matrix and of the varistor 03 easier eutectic during sintering, formation of the new homogeneous phase, enhance the adhesion of the electrode.

[0030] 银粉的平均粒径为0. 3〜5 μ m,进行银粉常规表面处理之后并在80〜120°C鼓风干燥箱中,干燥2〜池进行预处理,隔绝空气密封保存。 [0030] The average particle diameter of the silver powder is 0. 3~5 μ m, and performed at 80~120 ° C in a drying oven, drying after pretreatment tank 2 ~ silver conventional surface treatment, exclusion of air sealed.

[0031] 有机粘合剂是以有机溶剂为溶剂,以质量分数计,包括10〜20%的乙基纤维素和5〜10%的酚醛树脂; [0031] The organic binder is an organic solvent as a solvent, mass fraction, comprising 10-20% of ethyl cellulose and 5 to 10% phenolic resin;

[0032] 所述的有机溶剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇中的一种或几种以任意比例的混合物。 [0032] The organic solvent is one or more of butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol in a mixture of any proportion.

[0033] 有机粘合剂的制备为: Preparation [0033] The organic binder is:

[0034] 将乙基纤维素和酚醛树脂加入到有机溶剂中,加热至90〜120°C并充分搅拌使乙基纤维素和酚醛树脂溶解,得到淡黄色透明的有机粘合剂。 [0034] The ethyl cellulose and phenolic resin was added to the organic solvent and heated to 90~120 ° C and sufficiently stirred to dissolve ethyl cellulose and phenolic resins, to obtain a pale yellow transparent organic binder.

[0035] 所述的稀释剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇、蓖麻油、环己酮中的一种或几种以任意比例的混合物。 [0035] The diluent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol, castor oil, cyclohexanone one or a mixture of several in any proportion.

[0036] 环保型压敏电阻器用电极银浆的制备为: Preparation of green-sensitive resistor of the electrode silver paste [0036] is:

[0037] 将将60〜80份的银粉、2〜4份的镍粉(平均粒径0. 5〜4 μ m)、1〜3份的玻璃粉搅拌至充分混合,向充分混合的粉末中加入10〜20份的有机粘合剂充分混勻后研磨(使用三辊机或其它设备),在充分研磨后(研磨至外观细腻,均勻无明显颗粒时),再加入1〜5份的有机粘合剂和3〜11份的稀释剂,搅拌均勻,得到环保型压敏电阻器用电极银浆。 [0037] The parts of 60~80 the silver powder, 2 ~ 4 parts nickel powder (average particle diameter 0. 5~4 μ m), 1~3 parts of glass powder and stir until thoroughly mixed, the mixed powders 10-20 parts of an organic binder was added thoroughly mixed after grinding (using a three-roll mill or other device), after fully ground (ground to a fine appearance, even when no particles), was added 1 ~ 5 parts of organic 3~11 parts binder and diluent, stirred uniformly, and environmentally-sensitive resistor of electrode silver paste.

[0038] 以上各组分的具体配比,如下表所示的实施例1〜4 : [0038] or more specifically the ratio of the components as shown in Table Example 1 ~ 4:

[0039] [0039]

Figure CN102262919AD00061

[0040] [0040]

Figure CN102262919AD00071

[0041] 使用本发明方法制成的无铅电极银浆,粘度在70-200kcps (BRF DV_II+14#),流动性佳,细度< 15 μ m,使用200-300目丝网印刷后,图形清晰,无流延现象,120_150°C通风干燥3分钟后完全干燥。 [0041] The method of the present invention using an electrode made of lead-free silver paste, a viscosity 70-200kcps (BRF DV_II + 14 #), good flowability, the fineness of <15 μ m, after screen printing using 200-300 mesh, graphic clarity, no casting phenomenon, 120_150 ° C air drying for 3 minutes and dried completely.

[0042] 将印刷好的压敏电阻片高温烧结,烧结温度曲线为梯形曲线(总周期为1小时,升温、降温各25分钟,480-600°C高温段为10分钟)。 [0042] The printed varistor high temperature sintering, the sintering temperature profile is trapezoidal curve (a total period of 1 hour, heating and cooling of each 25 minutes, 480-600 ° C high-temperature stage of 10 minutes).

[0043] 烧成后的瓷片可以按照目前行业的正常工艺进行焊接引线、绝缘包封等工艺操作,制成压敏电阻器成品,其性能完全达到目前使用含铅银浆的压敏电阻器的要求。 [0043] tiles after firing can be welded wires, and other insulating encapsulation process is operated in the normal process of the industry at present, the finished product made of varistors, which fully meet the performance varistor of silver present with leaded requirements.

Claims (9)

  1. 1. 一种环保型压敏电阻器用电极银浆,其特征在于,以质量份数计,包括60〜80份的银粉、2〜4份的镍粉、1〜3份的玻璃粉、11〜25份的有机粘合剂和3〜11份的稀释剂;所述的玻璃粉是由Bi203、SiO2, SrO, ZnO、B2O3和Li2O粉末混合后在900〜1200°C烧结而成的,所述的混合按照的质量比为Bi2O3 : SiO2 : SrO : ZnO : B2O3 : Li2O= (60〜 70) : (11 〜15) : 0〜6) : (6 〜10) : (6 〜10) : (1 〜3)。 A resistor of environmentally-sensitive silver paste electrodes, wherein the mass fraction of the total, comprising 60~80 parts of silver powder, 2 ~ 4 parts nickel powder, 1 ~ 3 parts of glass frit, 11~ 25 parts of an organic binder and 3~11 parts diluent; said glass frit is Bi203, SiO2, SrO B2O3 powder after mixing, ZnO, Li2O, and sintering formed at 900~1200 ° C, the mixed in the mass ratio of Bi2O3: SiO2: SrO: ZnO: B2O3: Li2O = (60~ 70): (11 ~15): 0~6): (6 ~10): (6 ~10): (1 ~ 3).
  2. 2.如权利要求1所述的环保型压敏电阻器用电极银浆,其特征在于,所述的有机粘合剂是以有机溶剂为溶剂,以质量分数计,包括10〜20%的乙基纤维素和5〜10%的酚醛树脂;所述的有机溶剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇中的一种或几种。 2. The resistor of environmentally-sensitive silver paste electrode according to claim 1, wherein said organic solvent is an organic solvent based binder, mass fraction, comprising 10-20% ethyl cellulose and 5 to 10% phenolic resin; said organic solvent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol monobutyl ether acetate, petroleum ether, turpentine, pine oil one or more alcohol.
  3. 3.如权利要求1或2所述的环保型压敏电阻器用电极银浆,其特征在于,所述的稀释剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇、蓖麻油、环己酮中的一种或几种。 3. The environment-sensitive silver paste electrode resistor of claim 1 or claim 2, wherein said diluent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene one or more glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol, castor oil, cyclohexanone in.
  4. 4. 一种环保型压敏电阻器用电极银浆的制备方法,其特征在于,包括以下步骤:1)将Bi203、Si02、Sr0 JnOJ2O3和Li2O粉末按照以下质量比混合后在900〜1200°C烧结30〜60min,并用10〜25°C的水淬火后,再研磨至粒径为0. 5〜2 μ m,得到玻璃粉;所述的质量比为:Bi2O3 : SiO2 : SrO : ZnO : B2O3 : Li2O= (60 〜70) : (11 〜 15) : O 〜6) : (6 〜10) : (6 〜10) : (1 〜3);2)按质量份数计,将60〜80份的银粉、2〜4份的镍粉、1〜3份的玻璃粉、10〜20份的有机粘合剂充分混勻后研磨,在充分研磨后,再加入1〜5份的有机粘合剂和3〜11份的稀释剂,搅拌均勻,得到环保型压敏电阻器用电极银浆。 4. A method of preparing environmentally-sensitive resistor of the silver paste electrodes, characterized by comprising the following steps: 1) Bi203, Si02, Sr0 JnOJ2O3 Li2O powder sintering and the following mass ratio of at 900~1200 ° C 30~60min, and after water quenching 10~25 ° C, and then milled to a particle size with 0. 5~2 μ m, to obtain a glass frit; the mass ratio is: Bi2O3: SiO2: SrO: ZnO: B2O3: Li2O = (60 ~70): (11 ~ 15): O ~6): (6 ~10): (6 ~10): (1 ~3); 2) parts by mass basis, the parts of 60~80 silver powder, 2 ~ 4 parts nickel powder, 1 ~ 3 parts of glass frit, 10-20 parts of an organic binder mixed well after grinding, polishing after sufficient, then add 1 ~ 5 parts of an organic binder 3~11 parts of a diluent and stirred uniformly, and environmentally-sensitive resistor of electrode silver paste.
  5. 5.如权利要求4所述的环保型压敏电阻器用电极银浆的制备方法,其特征在于,所述的玻璃粉在研磨之后还过200〜400目筛并烘干水分。 5. The environmentally friendly production method 4 The pressure-sensitive resistor of the electrode paste as claimed in claim, wherein said glass powder after grinding further 200~400 mesh sieve and dried over water.
  6. 6.如权利要求4所述的环保型压敏电阻器用电极银浆的制备方法,其特征在于,所述的稀释剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、松节油、松油醇、蓖麻油、环己酮中的一种或几种。 6. The environmentally friendly production method 4 The pressure-sensitive resistor of the electrode paste as claimed in claim, wherein said diluent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether acetate, one or more glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol, castor oil, cyclohexanone in.
  7. 7.如权利要求4所述的环保型压敏电阻器用电极银浆的制备方法,其特征在于,所述的有机粘合剂的制备为:将乙基纤维素和酚醛树脂加入到有机溶剂中,加热至90〜120°C并充分搅拌使乙基纤维素和酚醛树脂溶解,得到有机粘合剂。 7. environmentally friendly method of preparing a pressure-sensitive resistor of the electrode paste 4 claim, wherein said organic binder is prepared as follows: ethyl cellulose and phenol resin is added to an organic solvent and heated to 90~120 ° C and sufficiently stirred to dissolve ethyl cellulose and phenolic resins, to obtain an organic binder.
  8. 8.如权利要求7所述的环保型压敏电阻器用电极银浆的制备方法,其特征在于,所述的有机溶剂为丁基卡必醇、丙二醇甲醚醋酸酯、乙二醇乙醚、乙二醇单丁醚醋酸酯、石油醚、 松节油、松油醇中的一种或几种。 8. The pressure-sensitive resistor of environmentally friendly production method according to claim 7 silver electrode, wherein said organic solvent is butyl carbitol, propylene glycol methyl ether acetate, ethylene glycol ethyl ether acetate, glycol monobutyl ether acetate, petroleum ether, turpentine, terpineol one or several.
  9. 9.如权利要求4所述的环保型压敏电阻器用电极银浆的制备方法,其特征在于,所述的银粉的平均粒径为0. 3〜5 μ m,并在80〜120°C干燥2〜汕进行预处理。 9. The environmental protection varistor according to claim 4, wherein the silver electrode production method Used, wherein said average particle diameter of the silver powder is 0. 3~5 μ m, and at 80~120 ° C 2 ~ Shan drying pretreatment.
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CN102855959A (en) * 2012-09-13 2013-01-02 上海交通大学 Surface-layer silver paste for SrTiO3 piezoresistor and preparation method of surface-layer silver paste
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CN104123977A (en) * 2014-06-30 2014-10-29 彩虹集团电子股份有限公司 Annular piezoresistor silver paste, preparation method and application thereof
CN105788699A (en) * 2014-12-18 2016-07-20 上海宝银电子材料有限公司 High-temperature and high-humidity resistant electrode silver paste for ZnO piezoresistor and preparation method for electrode silver paste
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CN1793028A (en) * 2005-11-21 2006-06-28 天津大学 Ceramic capacity medium with low consumption and high pressure resisting and preparation process thereof
CN1870179A (en) * 2006-06-28 2006-11-29 华东微电子技术研究所合肥圣达实业公司 Leadless ohmic electrode silver coating for PTC ceramic and its preparation method
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CN103165222B (en) * 2011-12-15 2015-10-28 上海宝银电子材料有限公司 Conductive silver paste and a process for preparing high-temperature thermistor sintered ntc
CN103165222A (en) * 2011-12-15 2013-06-19 上海宝银电子材料有限公司 High temperature sintering conductive silver paste for negative temperature coefficient (NTC) thermistor and preparation method thereof
CN103165220A (en) * 2011-12-15 2013-06-19 上海宝银电子材料有限公司 Lead-free soldering-resistant electric conduction silver paste for electro-thermal film quartz glass tube electric heating piece and preparation method
CN102592705A (en) * 2012-03-15 2012-07-18 上海交通大学 Environment-friendly water-based positive silver paste for solar cell, and preparation method thereof
CN102855959B (en) * 2012-09-13 2015-07-08 上海交通大学 Surface-layer silver paste for SrTiO3 piezoresistor and preparation method of surface-layer silver paste
CN102855959A (en) * 2012-09-13 2013-01-02 上海交通大学 Surface-layer silver paste for SrTiO3 piezoresistor and preparation method of surface-layer silver paste
CN104036844A (en) * 2014-02-28 2014-09-10 深圳市银和新材料科技有限公司 Environment-friendly water-soluble solar cell anode silver paste and preparation method thereof
CN104123977A (en) * 2014-06-30 2014-10-29 彩虹集团电子股份有限公司 Annular piezoresistor silver paste, preparation method and application thereof
CN105788699A (en) * 2014-12-18 2016-07-20 上海宝银电子材料有限公司 High-temperature and high-humidity resistant electrode silver paste for ZnO piezoresistor and preparation method for electrode silver paste
CN105788699B (en) * 2014-12-18 2017-08-11 上海宝银电子材料有限公司 One kind of humidity ZnO varistor electrode silver paste temperature and preparation method
CN107221372A (en) * 2017-06-12 2017-09-29 合肥欧仕嘉机电设备有限公司 Silver slurry for welding annular piezoresistors and preparation method thereof

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