標準解讀

《GB/T 44551-2024 光學功能薄膜 耐候性測定方法 溶劑誘導(dǎo)法》是一項國家標準,專門針對光學功能薄膜的耐候性能進行評估。該標準通過溶劑誘導(dǎo)的方法來模擬實際使用環(huán)境中可能遇到的情況,以此來檢測薄膜材料在特定條件下的穩(wěn)定性及其變化情況。溶劑的選擇基于其與待測薄膜材料之間可能發(fā)生的作用機制,包括但不限于溶解、膨脹或化學反應(yīng)等。

標準中詳細規(guī)定了試驗所需的各種條件設(shè)置,比如溶劑種類、濃度、處理溫度和時間等參數(shù),并且對樣品準備、測試步驟以及結(jié)果分析都給出了明確指導(dǎo)。通過將試樣置于選定溶劑中,在一定條件下浸泡后觀察并記錄薄膜外觀、物理性質(zhì)(如厚度)及光學特性等方面的變化,從而評價其耐溶劑性能。此外,還涉及到如何正確地記錄數(shù)據(jù)、計算相關(guān)指標等內(nèi)容,以確保測試過程的一致性和結(jié)果的準確性。

整個流程旨在為行業(yè)提供一套科學合理、可操作性強的評估體系,幫助制造商了解自己產(chǎn)品在面對不同環(huán)境挑戰(zhàn)時的表現(xiàn),進而指導(dǎo)后續(xù)研發(fā)工作或質(zhì)量控制措施。


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文檔簡介

ICS

71.080.99

CCS

G15

中華人民共和國國家標準

GB/T44551—2024

光學功能薄膜耐候性測定方法

溶劑誘導(dǎo)法

Opticalfunctionalfilms—Weatheringresistancetestingmethod—

Solventinductionmethod

2024-09-29發(fā)布2025-04-01實施

國家市場監(jiān)督管理總局發(fā)布

國家標準化管理委員會

GB/T44551—2024

目次

前言

·····································································································

1

范圍

··································································································

1

2

規(guī)范性引用文件

······················································································

1

3

術(shù)語和定義

···························································································

1

4

儀器設(shè)備與試劑

······················································································

1

4.1

玻璃瓶

···························································································

1

4.2

有機溶劑

·························································································

1

5

試樣

··································································································

1

6

狀態(tài)調(diào)節(jié)

······························································································

2

7

試驗步驟

······························································································

2

7.1

試驗環(huán)境

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2

7.2

耐候性測試前性能檢測

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2

7.3

耐候性測試試驗

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2

7.4

耐候性測試后性能檢測

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3

7.5

耐候性測試后外觀變化檢測

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4

8

試驗報告

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4

GB/T44551—2024

前言

本文件按照GB/T1.1—2020《標準化工作導(dǎo)則

第1部分:標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別專利的責任。

本文件由中國石油和化學工業(yè)聯(lián)合會提出。

本文件由全國光學功能薄膜材料標準化技術(shù)委員會(SAC/TC431)歸口。

本文件起草單位:合肥樂凱科技產(chǎn)業(yè)有限公司、衡山縣佳誠新材料有限公司、湖南省和祥潤新材料

有限公司、中國科學技術(shù)大學。

本文件主要起草人:李恒、劉長豐、劉玉磊、李超、韓捷、徐倩倩、李彩翠、劉文亮、謝金沛、

廖平湘、李盈、李良彬、孟令蒲、陳軍根。

GB/T44551—2024

光學功能薄膜耐候性測定方法

溶劑誘導(dǎo)法

1范圍

本文件描述了采用溶劑誘導(dǎo)法進行光學功能薄膜耐候性能的測定方法。

本文件適用于具有表面涂層類光學功能薄膜的測定。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文

件,僅該日期對應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用

于本文件。

GB/T2410透明塑料透光率和霧度的測定

GB/T2918—2018塑料試樣狀態(tài)調(diào)節(jié)和試驗的標準環(huán)境

GB/T9754色漆和清漆不含金屬顏料的色漆漆膜的20°、60°和85°鏡面光澤的測定

GB/T11186.2涂膜顏色的測量方法第二部分:顏色測量

GB/T25257光學功能薄膜翹曲度測定方法

HG/T4915白色反射膜反射率的測定方法

ISO17221塑料圖像清晰度的測定(反射或透射圖像的清晰度)[Plastics—Determinationof

imageclarity(degreeofsharpnessofreflectedortransmittedimage)]

3術(shù)語和定義

下列術(shù)語和定義適用于本文件。

3.1

溶劑誘導(dǎo)法solventinductionmethod

利用滲透擴散原理,通過有機溶劑對涂層面的刺激誘導(dǎo),表征涂層表面性能變化和析出的方法。

4儀器設(shè)備與試劑

4.1玻璃瓶

瓶身為圓柱形,玻璃瓶容積為(150±5)mm,瓶口內(nèi)徑為(80±1)mm;瓶

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