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一种应用双组分涂料以改善效果并降低成本的新方法.pdf

上传人: 人*** 编号:1277075 2026-07-11 31页 10.46MB

1、A NOVEL APPROACH FOR APPLYING2K COATINGS TO IMPROVEOUTCOMES AND REDUCE COSTFRIDAY SEPTEMBER 05,2025PRESENTER:MICHAEL R.BONNERVICE PRESIDENT ENGINEERING&TECHNOLOGYSAINT CLAIR SYSTEMS,INC.MBONNERVISCOSITY.COMSaint Clair Systems All rights reservedISO 9001:2015 Certified1WHAT IS 2K?2K(OR MULTI-K)REFERS

2、 TO MATERIALS CURE THROUGH A CHEMICAL REACTION,RATHERTHAN HEATING.THESE SYSTEMS CONSIST OF A BASE RESIN(OFTEN CALLED“PART A”)AND A CATALYST ORHARDENER(OFTEN CALLED“PART B”).WHEN THESE COMPONENTS ARE MIXED TOGETHER,A CHEMICAL REACTION STARTS THAT CAUSES THE MATERIAL TO CURE(HARDEN).THE MOST COMMON CH

3、EMISTRIES INCLUDE EPOXIES AND POLYURETHANES,THOUGHOTHERS ARE AVAILABLE.THE SELECTION IS BASED ON THE FILM PROPERTIES DESIRED.Saint Clair Systems All rights reservedISO 9001:2015 Certified2Saint Clair Systems All rights reservedISO 9001:2015 Certified3WHAT IS 2K?WHY 2K COATINGS?REDUCED SOLVENT CONTEN

4、T CONTROLLED CURING TIMES CAN MATCH CURE CYCLE WITH ASSEMBLY PROCESS REDUCED TEMPERATURE OR EVEN ROOM-TEMPERATURE(NO-HEAT)CURING ALSO CALLED“AMBIENT CURE”GOOD WHEN THERE IS NO OTHER REQUIRED HEAT CYCLE IN THE PROCESS CAN BE A PRIMARY OR SECONDARY CURE METHOD OFTEN INCLUDED AS A SECONDARY CURE METHOD

5、 FOR ENERGY CURE SYSTEMSSaint Clair Systems All rights reservedISO 9001:2015 Certified4THE 2K REACTIONSaint Clair Systems All rights reservedISO 9001:2015 Certified5Components MixedCure CompleteCuring CycleResin Molecule(Part A)Catalyst Molecule(Part B)UNDER CATALYZATIONSaint Clair Systems All right

6、s reservedISO 9001:2015 Certified6Resin Molecule(Part A)Catalyst Molecule(Part B)OVER CATALYZATIONSaint Clair Systems All rights reservedISO 9001:2015 Certified7Resin Molecule(Part A)Catalyst Molecule(Part B)IMPROPER MIXINGSaint Clair Systems All rights reservedISO 9001:2015 Certified8Resin Molecule

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1. **2K涂层定义**:通过化学反应固化(非加热),由基体树脂(Part A)和催化剂/固化剂(Part B)混合组成,常见环氧树脂和聚氨酯。 2. **核心优势**:低溶剂含量、可控固化时间、常温固化(无需加热),可匹配装配流程,常作为能量固化系统的二次固化方法。 3. **关键参数**: - **诱导时间**:混合后开始反应的时间(分钟至天),受配方、混合比、温度等影响。 - **适用期**:混合后材料可使用时间(含诱导时间), viscosity翻倍或无法应用时结束。 4. **温度控制重要性**:温度显著影响粘度(如水在10-40°C粘度变化2:1),优化温度可改善混合质量、控制诱导时间和适用期,提升工艺稳定性。 5. **应用挑战**:组分粘度差异导致混合困难,需通过温度控制匹配粘比,确保混合效率和固化效果。
**2K涂层优势?** (吸引关注成本和效果优化的受众) **温度如何影响2K?** (吸引关注工艺控制的工程师或技术人员) **混合质量的关键?** (吸引关注生产效率和可靠性的制造业从业者)
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