Study on Durability of Coil Coatings Based on Design of Experiments

Guang-cai Guo; Qiang Chen; Qian-qian Niu

doi:10.11777/j.issn1000-3304.2026.26057

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Study on Durability of Coil Coatings Based on Design of Experiments

Research Article | 更新时间：2026-07-08

- Study on Durability of Coil Coatings Based on Design of Experiments
- Acta Polymerica Sinica Vol. 57, Issue 7, Pages: 1633-1640(2026)
- 作者机构：
  
  1.贝科工业涂料(上海)有限公司上海 201613
  2.东华大学材料科学与工程学院先进纤维材料全国重点实验室上海 201620
- 作者简介：
  
  Qian-qian Niu, E-mail: nqq@dhu.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2026.26057
  CLC：
- CSTR：32057.14.GFZXB.2026.7606
- Received：28 February 2026，
  
  Accepted：21 April 2026，
  
  Online First：17 June 2026，
  
  Published：20 July 2026
- 稿件说明：
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郭光彩, 陈强, 牛欠欠. 基于实验设计的卷材涂料耐候性研究. 高分子学报, 2026, 57(7), 1633-1640.

Guo, G. C.; Chen, Q.; Niu, Q. Q. Study on durability of coil coatings based on design of experiments. Acta Polymerica Sinica (in Chinese), 2026, 57(7), 1633-1640.
郭光彩, 陈强, 牛欠欠. 基于实验设计的卷材涂料耐候性研究. 高分子学报, 2026, 57(7), 1633-1640. DOI： 10.11777/j.issn1000-3304.2026.26057. CSTR： 32057.14.GFZXB.2026.7606.

Guo, G. C.; Chen, Q.; Niu, Q. Q. Study on durability of coil coatings based on design of experiments. Acta Polymerica Sinica (in Chinese), 2026, 57(7), 1633-1640. DOI： 10.11777/j.issn1000-3304.2026.26057. CSTR： 32057.14.GFZXB.2026.7606.

摘要

为了解决卷材涂料耐候性配方优化依赖经验试错及多因素交互作用不明确的行业痛点，采用实验设计(DOE)方法，借助Minitab统计分析软件，通过紫外荧光老化试验进行加速老化测试，表征漆膜老化前后的色差和保光率，系统考察了颜基比和高耐候树脂混拼比例这2个关键因子对涂料老化性能的影响. 结果表明，颜基比、高耐候树脂混拼比例及其交互作用是涂层老化性能的极显著影响因素；在此基础上，模型进一步揭示了上述因子和老化性能之间的响应规律. 本工作量化了颜基比与混拼高耐候树脂比例之间的协同作用效果，证实了DOE方法在卷材涂料配方研发中的可行性与有效性，为该类材料的性能优化提供了新思路.

Abstract

Coil coatings play a pivotal role in safeguarding metal substrates against environmental degradation; however

their durability optimization remains a critical challenge in industrial applications

which are mainly characterized by excessive dependence on empirical methods and intricate interactions among multiple influential factors. Thus

this study aims to address these critical issues. The design of experiments (DOE) methodology was adopted as the core research framework

implemented using Minitab statistical software to ensure rigorous experimental design and data analysis. The key variables investigated included pigment blending (ranging from 0.2 to 0.8 by weight) and the blending ratio of high-dura

bility resins (with weight ratios ranging from 1:1 to 4:1). The color change and gloss retention of coil coating were tested after ultraviolet fluorescent aging test. The effects of pigment loading and the blending ratio of high-durability resins on aging resistance were systematically investigated. Statistical analysis of the DOE data revealed that pigment loading

high-durability resin blending

and their interaction effect were statistically significant (

0.05). Specifically

moderate pigment loading (0.4) provided optimal color stability

while a blending ratio of 1:1 (weight ratio of general to high-durability resin) synergistically enhanced both color stability and gloss retention. Furthermore

the established model elucidated the regularity of the response between the aforementioned factors and the aging resistance of the coating. The synergistic mechanism between pigment loading and high-durability resin blending was quantified

validating the high efficiency and feasibility of the DOE approach in coil coating formulation development. These findings provide a scientific basis for rational formulation design with tailored performance and reduced development costs.

关键词

Keywords

references

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