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Glucose bionic fiber and spandex chemical quantitative test method

A test method, glucose technology, applied in the direction of removing certain components and weighing, etc., can solve the problems of inability to complete the quantitative test of fiber components, unfavorable protection of consumer rights, and increased difficulty in industry supervision, so as to benefit rights and interests, Reduce the difficulty of supervision and the effect of mild test conditions

Pending Publication Date: 2021-08-13
中纺协东莞检验技术服务有限公司
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Problems solved by technology

[0003] Glucose biomimetic fiber and spandex mixed products, although the quantitative analysis of some samples can be completed by relying on the manual split method, this method is less adaptable and only suitable for samples that can be split manually, and is inefficient and cannot be operated in batches; For samples that cannot be manually disassembled, there is currently no relevant chemical quantitative test method at home and abroad, and no relevant literature has been found to provide reference for the test method, resulting in the inability to complete the quantitative test of the fiber composition of the sample, which makes industry supervision more difficult and is not conducive to consumption. rights protection

Method used

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  • Glucose bionic fiber and spandex chemical quantitative test method
  • Glucose bionic fiber and spandex chemical quantitative test method
  • Glucose bionic fiber and spandex chemical quantitative test method

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Embodiment Construction

[0017] In the embodiment of the present invention, the chemical quantitative test method of glucose biomimetic fiber and spandex comprises the following steps:

[0018] Step 1: Cut 2 samples of about 1g from the sample, put them in an oven at 105°C and dry them continuously for 4 hours, take them out quickly and put them in a desiccator equipped with color-changing silica gel to cool for 30 minutes, and weigh them with an electronic balance , recorded as m0;

[0019] Step 2: Put the sample into a 250mL Erlenmeyer flask, add 100mL of chemical reagents and quickly cover the bottle stopper, shake it manually to fully wet the sample;

[0020] Step 3: Filter the remaining dissolved fibers with a sieve ≥ 150 mesh, then add 50 mL of dichloromethane and shake it by hand to rinse twice, then rinse with water until clean;

[0021] Step 4: Dissolve the remaining fibers and place them in an oven at 105°C for 4 hours of continuous drying. Take them out quickly and put them in a desiccator...

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Abstract

The invention relates to the technical field of chemical quantitative testing of glucose bionic fibers and spandex, in particular to a glucose bionic fiber and spandex chemical quantitative test method, and aims to solve the blank of the current chemical quantitative testing method of the glucose bionic fibers and the spandex, the method specifically comprises five steps. The glucose bionic fibers are dissolved and removed from the mixture with known drying mass by using dichloromethane, residues are collected, cleaned, dried and weighed, the percentages of the glucose bionic fibers accounting for the drying mass of the mixture are calculated in combination with correction coefficients, the test conditions are mild and simple, batch operation can be performed, the efficiency is high, the reagent has no damage to spandex, the test method is high in precision, and the test method is high in applicability, fills the blank of a current chemical quantitative testing method for the glucose bionic fiber and the spandex, reduces the industry supervision difficulty, and is beneficial to protecting rights and interests of consumers.

Description

technical field [0001] The invention relates to the technical field of chemical quantitative testing of glucose bionic fiber and spandex, in particular to a chemical quantitative testing method of glucose bionic fiber and spandex. Background technique [0002] Glucose bionic fiber is often used in underwear products. It is known as the "black technology fabric" that changes the current status of underwear products in the underwear industry. Its products have the characteristics of easy washing, fast moisture transfer, and antibacterial sterilization. The products are highly sought after by the industry. [0003] Glucose biomimetic fiber and spandex mixed products, although the quantitative analysis of some samples can be completed by relying on the manual split method, this method is less adaptable and only suitable for samples that can be split manually, and is inefficient and cannot be operated in batches; For samples that cannot be manually disassembled, there is currentl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04
CPCG01N5/04
Inventor 方方朱国权倪冰选葛富全许小霞徐锦鸿邵华建梁洁文陈华钊李洋
Owner 中纺协东莞检验技术服务有限公司
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