CN101386728A - High-temperature insulation coating material based on 304 stainless steel substrate - Google Patents

High-temperature insulation coating material based on 304 stainless steel substrate Download PDF

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CN101386728A
CN101386728A CN 200710154479 CN200710154479A CN101386728A CN 101386728 A CN101386728 A CN 101386728A CN 200710154479 CN200710154479 CN 200710154479 CN 200710154479 A CN200710154479 A CN 200710154479A CN 101386728 A CN101386728 A CN 101386728A
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coating material
stainless steel
high
steel substrate
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CN 200710154479
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堵永国
张为军
林建江
章国庆
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宁波市塞纳电热电器有限公司
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Abstract

The invention relates to a high-temperature resistant insulated coating material based on a 304 stainless steel base material. The high-temperature resistant insulated coating material consists of glass ceramic powder and an organic carrier which have mass percentage of between 60 and 80 percent and between 20 and 40 percent. A component of the glass ceramic powder is BaO-Al2O3-SiO2 system microcrystalline glass which comprises the following components in mass percentage: 20 to 60 percent of BaO, 30 to 70 percent of SiO2, 5 to 30 percent of Al2O3, 1 to 15 percent of B2O3, 0 to 5 percent of CaO, 0 to 5 percent of Fe2O3, 1 to 5 percent of Co2O3, 1 to 5 percent of TiO2 and 1 to 5 percent of ZrO2. The organic carrier is formed by dissolving butyl carbitol, tributyl citrate, 1, 4-butyrolactone, ethyl cellulose, hydrogenated castor oil and lecithin; and the organic carrier comprises the components in mass percentage: 30 to 80 percent of the butyl carbitol, 5 to 30 percent of the tributyl citrate, 0.1 to 10 percent of the 1, 4-butyrolactone, 0.5 to 10 percent of the ethyl cellulose, 0.1 to 5 percent of the hydrogenated castor oil and 0.1 to 5 percent of the lecithin. A preparation process comprises the following steps: A. microcrystalline glass powder is prepared: according to the mixture ratio, the raw materials are evenly mixed in a mixer, are positioned in a high-temperature electric furnace and are subjected to smelting, water quenching and ball milling; B. the organic carrier is prepared; and C. according to the proportion, the microcrystalline glass powder and the organic carrier are positioned in a container, stirred and dispersed and are subjected to high-speed emulsification to obtain the coating material.

Description

基于304不锈钢基材的耐高温绝缘涂层材料 High temperature resistant insulating coating material on the stainless steel substrate 304

技术领域 FIELD

本发明涉及基于304不锈钢基板的玻璃陶瓷体系的耐高温绝缘涂层材料。 The present invention relates to high temperature resistant insulating coating material system based glass-ceramic substrate of 304 stainless steel. 背景技术 Background technique

基于430不锈钢基板的玻璃陶瓷体系的耐高温绝缘涂层材料国内外己有应用,一般采用Si02-B203-Al203-CaO"Bi203系微晶玻璃,但基于304不锈钢基板的玻璃陶瓷体系的耐高温绝缘涂层材料因涂层材料与304不锈钢基板之间的热膨胀系数差异过大而没有相关材料被研制成功,304材料具有优异的耐腐蚀性能,广泛应用于电热器具,所以迫切需要基于304不锈钢基板的玻璃陶瓷体系的耐高温绝缘涂层材料应用于基于304不锈钢基板的厚膜电热元件。 发明内容 There are applications based on the coating material at home and abroad have high temperature insulation system glass-ceramic substrate of 430 stainless steel, commonly used "Bi203 GLASS Si02-B203-Al203-CaO, but the system 304 based glass-ceramic high temperature stainless steel substrate insulating the coating material due to thermal expansion coefficient difference between the coating material and the stainless steel substrate 304 is not too large to be successfully developed related materials, material 304 having excellent corrosion resistance, are widely used in electric appliances, there is an urgent need on a stainless steel substrate 304 high temperature resistant insulating coating material is applied to glass-ceramic systems based on thick-film heating element 304 is a stainless steel substrate. SUMMARY oF tHE iNVENTION

本发明所要解决的技术问题是为304不锈钢基材提供一种有效的绝缘涂层材料;制备好涂层的304不锈钢基材具有耐高温、电绝缘、耐腐蚀、耐磨损等性能,可用于石油化工管道防护、电子元器件基板、大功率厚膜电热元件基板等。 The present invention solves the technical problem of providing an effective insulating coating material is stainless steel substrate 304; 304 stainless steel substrate having a coating prepared good high temperature resistance, electrical insulation, corrosion resistance, abrasion resistance and other properties, can be used petrochemical pipeline protection, electronic components of the substrate, a thick film heating element power substrate.

本发明解决上述技术问题采用下列技术方案,本发明的基于304不锈钢基板的耐高温绝缘涂层材料,其特点是它由固相组分和有机载体按一定制备工艺所得,固相组分与有机载体的重量比为60^80%: 2"0%。作为固相组分的玻璃陶瓷粉末均匀地分散于有机载体中,有机载体选用多组分主溶剂体系,将不同沸点及挥发速度的主溶剂合理配比以更好的满足玻璃陶瓷粉末在有机载体中的分散及相关涂层制备工艺要求。 The present invention solves the above problems using the following aspect, the present invention is based on high temperature resistant insulating coating material is a stainless steel substrate 304, it is characterized by a solid-phase component and an organic vehicle obtained by a certain process for preparing the solid component and the organic phase the weight ratio of the carrier 60 ^ 80%: 2 "0% glass ceramic powder as the solid phase component uniformly dispersed in an organic vehicle, the organic vehicle main multicomponent solvent system chosen, the main different boiling points and the evaporation rate. the solvent reasonable proportion to better meet the glass ceramic powder and a dispersion coating process requires the preparation of related organic vehicle.

本发明所述的固相组分为BaO—AlA-Si02系微晶玻璃,各组分质量百分比含量为BaO: 20〜60%、 Si02: 30〜70%、 A1203: 5〜30%、 B203: 1〜15%、 CaO: 0〜5%、 FeA: 0〜 5%、 Co203: 1〜5%、 Ti02: 1〜5%、 Zr02: 1〜5%;所述的有机载体中各原料的重量比为: Solid phase component of the crystallized glass of the present invention, BaO-AlA-Si02-based, mass percent of each component as BaO: 20~60%, Si02: 30~70%, A1203: 5~30%, B203: 1~15%, CaO: 0~5%, FeA: 0~ 5%, Co203: 1~5%, Ti02: 1~5%, Zr02: 1~5%; the weight of the organic vehicle in each raw material ratio:

丁基卡必醇:30〜80%、柠檬酸三丁酯:5~30%、 1, 4一丁内酯:0.1~10%、乙基纤维素: 0.5~10%、氢化蓖麻油:0.1〜5%、卵磷脂:0.1〜5%。 Butyl carbitol: 30~80%, tributyl citrate: 5 to 30%, 1, 4-butyrolactone: 0.1 to 10%, ethyl cellulose: 0.5 to 10%, hydrogenated castor oil: 0.1 ~ 5%, lecithin: 0.1~5%.

本发明的基于304不锈钢基板的耐高温绝缘涂层材料的制备工艺为: The present invention is based on preparation of high temperature resistant insulating coating material is a stainless steel substrate 304:

1.制备玻璃微粉 1. Preparation of a glass powder

按质量百分比称量下列原料:Ba0: 20〜60%、 Si02: 30〜70%、 A1203: 5〜30%、 B203: The following raw materials were weighed in percentage by mass: Ba0: 20~60%, Si02: 30~70%, A1203: 5~30%, B203:

1〜15%、 CaO: 0〜5%、 Fe203 : 0〜5%、 Co203: 1〜5%、 Ti02: 1〜5%、 Zr02: 1〜5%;在混料机中混合均匀后置于高温电炉熔炼,熔炼温度为1200~1600°C,保温时间为1〜6小时, 熔炼后水淬,得到玻璃渣;将玻璃渣置于球磨机球磨得到粒径不大于5微米的微粉。 1~15%, CaO: 0~5%, Fe203: 0~5%, Co203: 1~5%, Ti02: 1~5%, Zr02: 1~5%; mixed in a blender uniformly placed furnace temperature, melting temperature of 1200 ~ 1600 ° C, holding time is 1~6 hours, water quenching after melting, to give broken glass; ball milling the resulting powder was placed blizzard particle diameter of not greater than 5 microns.

2. 配制有机载体 2. formulated organic vehicle

将有机溶剂及增稠剂、表面活性剂、触变剂按一定比例混合,于80〜10(TC溶解5〜8 小时,各类原料及配比为:丁基卡必醇:30〜80%、柠檬酸三丁酯:5~30%、 1, 4—丁内 The organic solvents and thickeners, surface active agents, thixotropic agents according to a certain proportion, in 80~10 (TC dissolving 5 ~ 8 hours, various types of raw materials and ratio of: butyl carbitol: 30~80% tributyl citrate: 5 to 30%, 1, 4-butyrolactone

酯:0.1~10%、乙基纤维素:0.5~10%、氢化蓖麻油:0.1~5%、卵磷脂:0.1~5%。 Ester: 0.1 to 10%, ethyl cellulose: 0.5% to 10%, hydrogenated castor oil: 0.1 to 5%, lecithin: 0.1% to 5%. 调整纤 Fine adjustment

维素含量,使有机粘结剂粘度控制在200〜300mPas范围内。 Cellulose content of the organic binder in the 200~300mPas viscosity control range.

3. 将前述制得的玻璃微粉和有机粘结剂按60~80%: 20^0%的比例置于容器中搅拌分散后进行高速乳化即得成品。 High speed emulsification ratio of 20 ^ 0%, placed in a container and dispersed by stirring to obtain the finished product: 3. the resulting glass powder and an organic binder by 60 to 80%.

本发明主要优点在于: The main advantage of the present invention comprising:

1. 通过对基于304不锈钢基板的耐高温绝缘涂层材料的物理、化学性能及工艺性能以及环保等基本要求的合理分析,选用微晶玻璃作为固相组分。 1. By a rational analysis of the basic physical requirements of high temperature insulation coating material 304 on a stainless steel substrate, the chemical properties and process performance and environmental protection, the choice of the crystallized glass as the solid phase component. 通过成分设计,对BaO— A1A-Si02系微晶玻璃膨胀系数、玻璃化温度、软化温度、微晶形核长大动力学等系统研究,确定微晶玻璃配方及熔炼、球磨工艺,使之满足与304不锈钢基板理化性能匹配及使 By component design, BaO- A1A-Si02-based glass-ceramics expansion coefficient, glass transition temperature, softening temperature, microcrystalline nucleation and growth kinetics study of systems, and determining Glass melting formulation, ball milling process, so as to satisfy and a stainless steel substrate 304 and that the physical and chemical properties matching

用要求。 Use requirements.

2. 深入研究BaO—Al203-Si02系微晶玻璃析晶动力学,进行定量相测定和相控制,通过制定合理的烧结工艺,准确控制BaO—AlA-Si02系微晶玻璃高膨胀相的析出量,使得涂层材料的热膨胀系数比304不锈钢热膨胀系数小10〜20%。 2. The in-depth study based BaO-Al203-Si02 Glass crystallization kinetics for quantitative phase measurement and control, By designing the sintering process, accurate control of the amount of precipitation of BaO-AlA-Si02-based glass-ceramics with high expansion of , so that the coating material is a thermal expansion coefficient smaller than the coefficient of thermal expansion of 304 stainless steel of 10-20%.

3. 基于对涂层材料中各有机成分作用机制的合理认识,选用多组分主溶剂代替传统单组分主溶剂,将不同沸点及挥发速度的主溶剂合理配比以更好的满足玻璃陶瓷粉末在有机载体中的分散及相关涂层制备工艺要求。 3. Based on knowledge of the mechanism of reasonable coating material of each organic component function, the choice of the main solvent instead of conventional multi-component single main solvent component, the main solvent having a boiling point and evaporation rate of different reasonable proportion to better meet the glass ceramic powder is dispersed in an organic vehicle was prepared and related coating process requirements.

具体实施方式 detailed description

实施例1:用于304系列不锈钢基材的耐高温绝缘涂层 Coatings for high temperature insulation 304 series stainless steel base material: Example 1

1、 微晶玻璃配方:BaO: 50%、 Si02: 24%、 A1203 : 5%、 B203 : 6%、 CaO: 4%、 Co203: 1%、 Ti02: 6%、 Zr02: 4% ; 1, glass formula: BaO: 50%, Si02: 24%, A1203: 5%, B203: 6%, CaO: 4%, Co203: 1%, Ti02: 6%, Zr02: 4%;

2、 玻璃熔炼工艺:1500°C,保温2小时; 2, the glass melting process: 1500 ° C, for 2 hours;

3、 球磨及粒度控制:用振动球磨机粗磨,后用行星球磨机或搅拌球磨机细磨至平均粒径为3〜5微米; 3, ball milling and particle size control: coarse vibrating ball mill, a planetary ball mill or the stirred mill with finely ground to an average particle size of ~ 5 microns;

4、 有机粘结剂配方及溶解工艺:丁基卡必醇:65%、柠檬酸三丁酯:30%、乙基纤维素:3.5%、 1, 4一丁内酯:0.5%、氢化蓖麻油:0.5%、卵磷脂:0.5%。 4, and dissolving the organic binder formulation process: butyl carbitol: 65%, tributyl citrate: 30% ethyl cellulose: 3.5%, 1, 4-butyrolactone: 0.5% hydrogenated castor sesame oil: 0.5% lecithin: 0.5%. 溶解工艺为将按比 Process for the dissolution ratio will

例配制的各组分混合后在温度为80〜9(TC的水浴中保温5小时。 After mixing the components of the formulation of Example 80~9 (TC incubated in a water bath at a temperature of 5 hours.

5、 调浆工艺:将玻璃粉及有机粘结剂按重量比71 : 29置于容器中搅拌分散后进行高速乳化。 5, the mashing process: The glass frit and an organic binder weight ratio of 71: high-speed emulsion dispersion after stirring vessel 29 is placed.

6、 涂层性能-当在不锈钢基板上烧成膜厚大于80微米时电气性能 6, coating properties - when fired on a stainless steel substrate greater than a thickness of 80 microns electrical properties

<table>table see original document page 5</column></row> <table> <Table> table see original document page 5 </ column> </ row> <table>

实施例2:用于304系列不锈钢基材的耐高温绝缘涂层 Coatings for high temperature insulation 304 series stainless steel substrate Example 2:

1、 微晶玻璃配方:Ba0: 53%、 Si02: 28%、 A1203: 3%、 B203: 6%、 Fe203: 2%、 CoA: 2%、 Ti02: 4%、 Zr02: 2%; 1, glass formula: Ba0: 53%, Si02: 28%, A1203: 3%, B203: 6%, Fe203: 2%, CoA: 2%, Ti02: 4%, Zr02: 2%;

2、 玻璃熔炼工艺:145(TC,保温2.5小时; 2, the glass melting process: 145 (TC, for 2.5 hours;

3、 球磨及粒度控制:用振动球磨机粗磨,后用行星球磨机或搅拌球磨机细磨至平均粒径为3〜5微米; 3, ball milling and particle size control: coarse vibrating ball mill, a planetary ball mill or the stirred mill with finely ground to an average particle size of ~ 5 microns;

4、 有机粘结剂配方及溶解工艺:丁基卡必醇:75%、柠檬酸三丁酯:20%、乙基纤维素: 4%、 1, 4一丁内酯:0.5%、氢化蓖麻油:0.5%。 4, and dissolving the organic binder formulation process: butyl carbitol: 75%, tributyl citrate: 20% ethyl cellulose: 4% 1, 4-butyrolactone: 0.5% hydrogenated castor sesame oil: 0.5%. 溶解工艺为将按比例配制的各组分混 Process for the dissolution of the components of the formulation mixed proportionally

合后在温度为80〜9(TC的水浴中保温5小时。 After closing 80~9 (TC incubated in a water bath at a temperature of 5 hours.

5、 调浆工艺:将玻璃粉及有机粘结剂按重量比75 : 25置于容器中搅拌分散后进行三辊轧制。 5, the mashing process: The glass frit and an organic binder weight ratio of 75: three-roll rolling performed after the container 25 is placed in the stirring dispersion.

6、 浆料性能-当在不锈钢基板上烧成膜厚大于80微米时电气性能 6, the slurry properties - when fired on a stainless steel substrate greater than a thickness of 80 microns electrical properties

<table>table see original document page 5</column></row> <table> <Table> table see original document page 5 </ column> </ row> <table>

Claims (4)

  1. 1、一种适用于304不锈钢基材的耐高温绝缘涂层材料,其特征在于:涂层材料由固相组分和有机载体按一定制备工艺所得,固相组分与有机载体的重量比为60~80%:20~40%。 1, high temperature resistant insulating coating material suitable for the stainless steel substrate 304, wherein: the coating material from the solid phase component and an organic vehicle obtained by a certain process for preparing the solid phase component and the weight ratio of the organic vehicle 60-80%: 20-40%.
  2. 2、 根据权利要求1所述的适用于304不锈钢基材的耐高温绝缘涂层材料,其特征在于:涂层材料的固相组分成分为BaO—Al20fSi02系微晶玻璃,各组成氧化物的质量百分比为BaO: 20〜60%、 Si02: 30〜70%、 A1203: 5〜30%、 B203: 1〜15%、 CaO: 0〜5%、 Fe203: 0〜5%、 Co203: 1〜5%、 Ti02: 1〜5%、 Zr02: 1〜5%。 2, high temperature resistant insulating coating material 304 applied to the stainless steel substrate according to claim 1, wherein: solid phase into the coating material into a BaO-Al20fSi02 based crystallized glass, each component oxide mass percentage of BaO: 20~60%, Si02: 30~70%, A1203: 5~30%, B203: 1~15%, CaO: 0~5%, Fe203: 0~5%, Co203: 1~5 %, Ti02: 1~5%, Zr02: 1~5%.
  3. 3、 根据权利要求1所述的适用于304不锈钢基材的耐高温绝缘涂层材料,其特征在于:涂层材料的有机载体由丁基卡必醇、柠檬酸三丁酯、1, 4一丁内酯、乙基纤维素、氢化蓖麻油、卵磷脂溶合而成,各组分的质量百分比为丁基卡必醇:30〜80%;柠檬酸三丁酯:5~30%, 1, 4一丁内酯:0.1~10%,乙基纤维素:0.5~10%,氢化蓖麻油:0.1~5%, 卵磷脂:0.1~5%。 3, high temperature resistant insulating coating material 304 applied to the stainless steel substrate according to claim 1, wherein: the coating material from the organic vehicle butyl carbitol, tributyl citrate, 1, 4 a butyrolactone, ethyl cellulose, hydrogenated castor oil, lecithin fusion is made, the quality of each component as a percentage of butyl carbitol: 30~80%; tributyl citrate: 5 to 30%, 1 , a 4-butyrolactone: 0.1 to 10%, ethyl cellulose: 0.5% to 10%, hydrogenated castor oil: 0.1 to 5%, lecithin: 0.1% to 5%.
  4. 4、 根据权利要求1所述的适用于304不锈钢基材的耐高温绝缘涂层材料,其特征在于:作为固相组分的玻璃陶瓷粉末均匀地分散于有机载体中,有机载体为多组分体系。 4, high temperature resistant insulating coating material according to claim 304 applied to the stainless steel substrate according to claim 1, wherein: as the solid phase component of the glass ceramic powder is uniformly dispersed in an organic carrier, the organic carrier is a multicomponent system.
CN 200710154479 2007-09-13 2007-09-13 High-temperature insulation coating material based on 304 stainless steel substrate CN101386728A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101805125A (en) * 2010-03-11 2010-08-18 西安创联轮德器件有限公司 Insulating glass medium slurry for 430 stainless steel and preparation method thereof
CN102494224A (en) * 2011-11-25 2012-06-13 中原工学院 Anticorrosive glass ceramic-internally coated pipe line steel
CN101613209B (en) 2009-07-16 2013-02-06 中国人民解放军国防科学技术大学 High temperature anti-oxidation coating and slurry for same of Cf/SiC composite material and preparation method thereof
CN102070299B (en) 2009-11-23 2013-05-01 中国科学院过程工程研究所 Protective technology of stainless steel high-temperature surface
CN104862689A (en) * 2015-05-22 2015-08-26 苏州市嘉明机械制造有限公司 Long-life heat-and-pressure-resistant insulating coating for mirror plate
CN105084762A (en) * 2014-05-12 2015-11-25 中国科学院过程工程研究所 Coating with high temperature thermal shock resistance and thermal etching resistance for stainless steel and heat resistant steel and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613209B (en) 2009-07-16 2013-02-06 中国人民解放军国防科学技术大学 High temperature anti-oxidation coating and slurry for same of Cf/SiC composite material and preparation method thereof
CN102070299B (en) 2009-11-23 2013-05-01 中国科学院过程工程研究所 Protective technology of stainless steel high-temperature surface
CN101805125A (en) * 2010-03-11 2010-08-18 西安创联轮德器件有限公司 Insulating glass medium slurry for 430 stainless steel and preparation method thereof
CN101805125B (en) 2010-03-11 2011-12-07 西安创联宏晟电子有限公司 The slurry preparation method and medium 430 stainless steel with an insulating glass
CN102494224A (en) * 2011-11-25 2012-06-13 中原工学院 Anticorrosive glass ceramic-internally coated pipe line steel
CN105084762A (en) * 2014-05-12 2015-11-25 中国科学院过程工程研究所 Coating with high temperature thermal shock resistance and thermal etching resistance for stainless steel and heat resistant steel and preparation method thereof
CN105084762B (en) * 2014-05-12 2018-01-02 中国科学院过程工程研究所 A method for high-temperature stainless steel and heat-resisting steel hot corrosion and thermal shock resistance of the coating and its method of preparation
CN104862689A (en) * 2015-05-22 2015-08-26 苏州市嘉明机械制造有限公司 Long-life heat-and-pressure-resistant insulating coating for mirror plate

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