Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China

Hangzhou was the political and economic center of the Southern Song Dynasty (1127–1279 AD) and also the southern end of the Beijing-Hangzhou Grand Canal during the Ming and Qing Dynasties (1368–1644 AD). This historical position allowed the city’s economy to develop rapidly and influenced the form o...

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Main Authors: Ling Shen, Dan Hua, Baisu Nan, Yao Yao, Hong Duan, Jiakun Wang
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Crystals
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Online Access:https://www.mdpi.com/2073-4352/15/1/92
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author Ling Shen
Dan Hua
Baisu Nan
Yao Yao
Hong Duan
Jiakun Wang
author_facet Ling Shen
Dan Hua
Baisu Nan
Yao Yao
Hong Duan
Jiakun Wang
author_sort Ling Shen
collection DOAJ
description Hangzhou was the political and economic center of the Southern Song Dynasty (1127–1279 AD) and also the southern end of the Beijing-Hangzhou Grand Canal during the Ming and Qing Dynasties (1368–1644 AD). This historical position allowed the city’s economy to develop rapidly and influenced the form of its polychrome paintings with the imperial official style of the north China. However, due to the high temperature and rainy natural preservation conditions, southern polychrome paintings have always been a weak link in Chinese architectural polychrome painting craftsmanship. This study focuses on two well-preserved official-style architectural polychrome paintings in the grand halls from the late Qing period in Hangzhou. Through multi-techniques such as optical microscopy (OM), scanning electron microprobe with energy dispersive X-ray spectroscopy analysis (SEM-EDX), micro-Raman spectroscopy, micro-Fourier Transform Infrared spectroscopy (μ-FTIR), and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), it was found that there is a significant difference from the reported common non-ground architectural paintings in the south, typically having four-layer structures with a white base and ground plaster layer in preparation for painting. The appearance of pigments such as artificial ultramarine (Na<sub>6</sub>Al<sub>4</sub>Si<sub>6</sub>S<sub>4</sub>O<sub>20</sub>) and emerald green (Cu(C<sub>2</sub>H<sub>3</sub>O<sub>2</sub>)<sub>2</sub>·3Cu(AsO<sub>2</sub>)<sub>2</sub>) indicates that the paintings were made at least after the 1830s, and the use of malachite green dye and copper phthalocyanine blue (PB 15:X) suggests that unrecorded restorations were also performed after the 20th century. All samples are coated with a layer of alkyd resin, which may have been added during the repairs in the latter half of the 20th century, leading to the black discoloration of the present paintings, especially in areas where emerald green was used. This study provides an important case for the study of the official style of polychrome painting craftsmanship in the southern region of China and also offers important references for the future protection and restoration of traditional architectural polychrome painting.
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spelling doaj-art-c232b9898ee84eadb6d473382d1ea0072025-01-24T13:28:16ZengMDPI AGCrystals2073-43522025-01-011519210.3390/cryst15010092Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, ChinaLing Shen0Dan Hua1Baisu Nan2Yao Yao3Hong Duan4Jiakun Wang5School of Art and Archaeology, Hangzhou City University, Hangzhou 310015, ChinaXiaoshan District Museum, Hangzhou 311201, ChinaHangzhou Cultural Heritage and Historical Architecture Protection Center, Hangzhou 310002, ChinaHangzhou Cultural Heritage and Historical Architecture Protection Center, Hangzhou 310002, ChinaHangzhou Cultural Heritage and Historical Architecture Protection Center, Hangzhou 310002, ChinaGuangdong Museum, Guangzhou 510623, ChinaHangzhou was the political and economic center of the Southern Song Dynasty (1127–1279 AD) and also the southern end of the Beijing-Hangzhou Grand Canal during the Ming and Qing Dynasties (1368–1644 AD). This historical position allowed the city’s economy to develop rapidly and influenced the form of its polychrome paintings with the imperial official style of the north China. However, due to the high temperature and rainy natural preservation conditions, southern polychrome paintings have always been a weak link in Chinese architectural polychrome painting craftsmanship. This study focuses on two well-preserved official-style architectural polychrome paintings in the grand halls from the late Qing period in Hangzhou. Through multi-techniques such as optical microscopy (OM), scanning electron microprobe with energy dispersive X-ray spectroscopy analysis (SEM-EDX), micro-Raman spectroscopy, micro-Fourier Transform Infrared spectroscopy (μ-FTIR), and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), it was found that there is a significant difference from the reported common non-ground architectural paintings in the south, typically having four-layer structures with a white base and ground plaster layer in preparation for painting. The appearance of pigments such as artificial ultramarine (Na<sub>6</sub>Al<sub>4</sub>Si<sub>6</sub>S<sub>4</sub>O<sub>20</sub>) and emerald green (Cu(C<sub>2</sub>H<sub>3</sub>O<sub>2</sub>)<sub>2</sub>·3Cu(AsO<sub>2</sub>)<sub>2</sub>) indicates that the paintings were made at least after the 1830s, and the use of malachite green dye and copper phthalocyanine blue (PB 15:X) suggests that unrecorded restorations were also performed after the 20th century. All samples are coated with a layer of alkyd resin, which may have been added during the repairs in the latter half of the 20th century, leading to the black discoloration of the present paintings, especially in areas where emerald green was used. This study provides an important case for the study of the official style of polychrome painting craftsmanship in the southern region of China and also offers important references for the future protection and restoration of traditional architectural polychrome painting.https://www.mdpi.com/2073-4352/15/1/92architectural polychrome paintingsemerald greenorganic coatingsmulti-technique analysis
spellingShingle Ling Shen
Dan Hua
Baisu Nan
Yao Yao
Hong Duan
Jiakun Wang
Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China
Crystals
architectural polychrome paintings
emerald green
organic coatings
multi-technique analysis
title Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China
title_full Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China
title_fullStr Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China
title_full_unstemmed Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China
title_short Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China
title_sort material and technique analysis of qing dynasty official style architectural polychrome paintings in hangzhou zhejiang china
topic architectural polychrome paintings
emerald green
organic coatings
multi-technique analysis
url https://www.mdpi.com/2073-4352/15/1/92
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