ICS

59.080.40

CCS

Y47

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T44571—2024

人造革合成革試驗(yàn)方法

游離異氰酸酯含量的測(cè)定

Testmethodofleatherette—Determinationoffreeisocyanatescontent

2024-09-29發(fā)布2025-04-01實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T44571—2024

目次

前言

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Ⅲ

1

范圍

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1

2

規(guī)范性引用文件

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1

3

術(shù)語(yǔ)和定義

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1

4

液相色譜法（LC法）

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1

4.1

原理

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1

4.2

試劑和材料

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1

4.3

儀器和設(shè)備

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2

4.4

試驗(yàn)步驟

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2

5

氣相色譜?質(zhì)譜法（GC?MS法）

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4

5.1

原理

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4

5.2

試劑和材料

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4

5.3

儀器和設(shè)備

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4

5.4

試驗(yàn)步驟

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4

6

氣相色譜法（GC法）

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6

6.1

原理

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6

6.2

試劑和材料

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6

6.3

儀器和設(shè)備

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6

6.4

試驗(yàn)步驟

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7

6.5

二環(huán)己基甲烷二異氰酸酯含量的測(cè)定

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7

7

檢出限

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8

8

試驗(yàn)報(bào)告

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8

附錄A（資料性）

異氰酸酯標(biāo)準(zhǔn)衍生物的液相色譜圖

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

9

附錄B（規(guī)范性）

離子模式（SIM）采集參數(shù)

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

10

附錄C（資料性）

異氰酸酯標(biāo)準(zhǔn)溶液的氣相色譜?質(zhì)譜離子模式（SIM）監(jiān)測(cè)圖

···················

11

附錄D（資料性）

異氰酸酯標(biāo)準(zhǔn)溶液的氣相色譜圖

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12

Ⅰ

GB/T44571—2024

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

請(qǐng)注意本文件的某些內(nèi)容可能涉及專(zhuān)利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專(zhuān)利的責(zé)任。

本文件由中國(guó)輕工業(yè)聯(lián)合會(huì)提出。

本文件由全國(guó)塑料制品標(biāo)準(zhǔn)化技術(shù)委員會(huì)（SAC/TC48）歸口。

本文件起草單位：浙江禾欣新材料有限公司、勁旅環(huán)境科技股份有限公司、界首市塑谷再生資源有

限公司、安徽安利材料科技股份有限公司、昆山阿基里斯新材料科技有限公司、浙江深藍(lán)新材料科技有

限公司、昆山協(xié)孚新材料股份有限公司、山東同大海島新材料有限公司、天守（福建）超纖科技股份有

限公司、湖北齊力聚合材料有限公司、佛山市威士達(dá)新材料有限公司、重慶雙象超纖材料有限公司、

廣東天安高分子科技有限公司、福建華夏合成革有限公司、浙江梅盛新材料有限公司、麗水市質(zhì)量檢測(cè)

檢驗(yàn)研究院、蘇州瑞高新材料股份有限公司、蘇州貝斯特裝飾新材料有限公司、浙江羅星化學(xué)股份有限

公司、南通德億新材料有限公司、浙江嘉柯新材料科技有限公司、東莞市惟思德科技發(fā)展有限公司、

合肥科天水性科技有限責(zé)任公司、上海華峰檢測(cè)技術(shù)有限公司。

本文件主要起草人：徐一剡、于曉娟、洪斌、黃萬(wàn)里、徐麗麗、范曉影、張鳳、趙建明、酈向宇、

徐旭日、周文贄、劉愛(ài)明、蘇紅偉、陽(yáng)文濤、陳潤(rùn)嬌、錢(qián)國(guó)春、陳俊、高金崗、朱麗紅、姚督生、

陳喬健、鄭嗣銑、李華林、章文福、朱有奎、周靜。

Ⅲ

GB/T44571—2024

人造革合成革試驗(yàn)方法

游離異氰酸酯含量的測(cè)定

警示─使用本文件的人員應(yīng)有正規(guī)實(shí)驗(yàn)室工作的實(shí)踐經(jīng)驗(yàn)。異氰酸酯屬于危險(xiǎn)化學(xué)品第6.1類(lèi)毒害

物，操作時(shí)應(yīng)佩戴防護(hù)手套、防護(hù)眼鏡和呼吸防護(hù)器具。本文件并未指出所有可能的安全問(wèn)題，使用者

有責(zé)任采取必要的安全和健康措施，并保證符合國(guó)家有關(guān)規(guī)定的條件。

1范圍

本文件描述了測(cè)定人造革與合成革中游離異氰酸酯含量試驗(yàn)的液相色譜法（LC法）、氣相色譜?質(zhì)

譜法（GC?MS法）和氣相色譜法（GC法）三種試驗(yàn)方法。

本文件適用于聚氨酯人造革與合成革中游離異氰酸酯（1，4?亞苯基異氰酸酯、甲苯二異氰酸酯、

六亞甲基二異氰酸酯、三甲基六亞甲基二異氰酸酯、異佛尓酮二異氰酸酯、二苯甲烷二異氰酸酯）含量

的測(cè)定。其他的異氰酸酯（如二環(huán)己基甲烷二異氰酸酯）也適用本文件。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過(guò)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(duì)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/T6682分析實(shí)驗(yàn)室用水規(guī)格和試驗(yàn)方法

GB/T8170數(shù)值修約規(guī)則與極限數(shù)值的表示和判定

GB/T34443人造革與合成革術(shù)語(yǔ)

HG/T6064—20224,4′?二環(huán)己基甲烷二異氰酸酯

3術(shù)語(yǔ)和定義

GB/T34443界定的術(shù)語(yǔ)和定義適用于本文件。

4液相色譜法（LC法）

4.1原理

試樣經(jīng)二氯甲烷超聲提取后，與9?N?甲氨甲基蒽進(jìn)行衍生反應(yīng)，衍