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TVOC (total volatile organic compound) standard sample of ABS (acrylonitrile butadiene styrene) matrix and preparation method thereof

A standard sample, ABS resin technology, used in the preparation of test samples, the construction of gas analyzers, the analysis of gas mixtures, etc. problems, to reduce weighing errors, avoid uneven mixing, and improve storage stability.

Active Publication Date: 2022-06-03
NAT POLYMER MATERIALS IND INNOVATION CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low limit of total volatile organic compounds, in the traditional TVOC standard sample preparation process, the amount of added total volatile organic compounds is extremely low, and too low added amount of total volatile organic compounds will cause problems of uneven mixing and weighing errors , resulting in unstable content of total volatile organic compounds in TVOC standard samples, affecting the accuracy of subsequent measurements

Method used

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  • TVOC (total volatile organic compound) standard sample of ABS (acrylonitrile butadiene styrene) matrix and preparation method thereof
  • TVOC (total volatile organic compound) standard sample of ABS (acrylonitrile butadiene styrene) matrix and preparation method thereof
  • TVOC (total volatile organic compound) standard sample of ABS (acrylonitrile butadiene styrene) matrix and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] This example prepares a TVOC standard sample with a TVOC content of 30 μgC / g, including the following components: 1000 g of ABS resin, 0.02 g of volatile organic compounds (the mass of toluene, ethylbenzene, o-xylene, m-xylene and p-xylene) ratio of 1:1:1:1:1), 0.1g of adsorbent material (ZSM-5 molecular sieve with a silicon-alumina ratio of 200);

[0052] The specific preparation method includes the following steps:

[0053] (1) 2 g of volatile organic compounds and 10 g of ZSM-5 molecular sieves with a silicon-to-aluminum ratio of 200 were mixed in a closed system to obtain 12 g of adsorbent materials containing volatile organic compounds;

[0054] (2) drying the ABS resin in a blast drying oven at 80°C to obtain an ABS resin with a TVOC content of 10 μgC / g;

[0055] (3) Preparation of ABS mixed masterbatch with a TVOC content of 2000 μgC / g: 1000 g of ABS resin (ie, the first ABS resin) and 12 g of adsorbent material containing volatile organic compounds were placed ...

Embodiment 2

[0067] The preparation method of the TVOC standard sample in this example is basically the same as that in Example 1, and the only difference is that: this example uses ZSM-5 molecular sieve with a silicon-to-aluminum ratio of 100.

Embodiment 3

[0069] The preparation method of the TVOC standard sample in this example is basically the same as that in Example 1, and the difference is only that: this example uses ZSM-5 molecular sieve with a silicon-to-aluminum ratio of 300.

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Abstract

The invention provides a TVOC (Total Volatile Organic Compound) standard sample of an ABS (Acrylonitrile Butadiene Styrene) matrix and relates to the technical field of chemical standard samples The ABS-matrix TVOC standard sample provided by the invention comprises the following components in parts by weight: 80000-120000 parts of ABS resin, 1-5 parts of a volatile organic compound, 5-15 parts of an adsorption material and 0-5 parts of an auxiliary agent, wherein the adsorption material is at least one of a ZSM-5 molecular sieve and a USY type molecular sieve. The TVOC standard sample is prepared by introducing the volatile organic compound, the specific adsorption material and the like into the ABS matrix resin, and the adsorption material can adsorb the volatile organic compound through an acid site existing on a pore structure of the adsorption material, so that the volatile organic compound is not easy to volatilize, and the uniformity and the storage stability of the TVOC standard sample are improved.

Description

technical field [0001] The invention relates to the technical field of chemical standard samples, in particular to an ABS matrix TVOC standard sample and a preparation method thereof. Background technique [0002] Total Volatile Organic Compounds (TVOCs) refer to organic compounds whose saturated vapor pressure exceeds 133.32Pa at room temperature, and whose boiling point is between 50-250°C, which can exist in the air in the form of evaporation at room temperature. TVOCs are mainly divided into eight categories: alkanes, aromatic hydrocarbons, alkenes, halocarbons, esters, aldehydes, ketones and others. The main components of TVOC are hydrocarbons, halogenated hydrocarbons, oxygen hydrocarbons and nitrogen hydrocarbons, including benzene series, organic chlorides, Freon series, organic ketones, amines, alcohols, ethers, esters, acids and petroleum hydrocarbon compounds. According to the definition of GB / T18883-2002, it is a volatile organic compound whose retention time is...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08K9/12C08K7/26C08K5/01C08J3/22G01N1/28G01N1/38G01N33/00
CPCC08K9/12C08K7/26C08K5/01C08J3/226G01N33/007G01N1/28G01N1/38C08J2355/02C08J2455/02C08L55/02Y02A50/20
Inventor 索倩倩廖成玲庞承焕李卫领吴博单长国邵海波林宇
Owner NAT POLYMER MATERIALS IND INNOVATION CENT CO LTD
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