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Length and linear density combined test method of synthesized fiber

A technology for synthesizing short fibers and linear density, applied in measurement devices, instruments, etc., can solve the problems of reducing the correlation of data results, reducing the accuracy of data, and unfavorable test rationality, so as to save the loss of test samples, improve the rationality and reliability. Accuracy, the effect of reducing the test workload

Inactive Publication Date: 2005-06-01
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the above four types of test methods, especially the test methods of GB / T14335-1993, GB / T14336-1993, and the test methods of BISFA International Chemical Fiber Standard Bureau and JISL1015-1981, have been widely used in chemical fiber and textile industries and their commercial fields. However, the above four types of test methods are all single test methods, which test the length and linear density of synthetic short fibers respectively.
[0005] The method of separate tests not only increases the number of tests and the artificial interference of the operation on the test, reduces the accuracy of the data, but also is not suitable for the rationality of the test, reducing the relevance of the data results
There are unavoidable deficiencies in test technology and test methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0019] (1) Implementation conditions: In the examples, the synthetic staple fibers were sampled and conditioned according to the usual regulations. Standard atmosphere for pre-humidification: temperature not exceeding 50°C, relative humidity 17±3%; standard atmosphere for humidity adjustment and testing: temperature 20±2°C, relative humidity 65±3%.

[0020] (2) Instruments and tools: mainly include: ① balance: one set each with minimum division value of 0.01, 0.1, and 1 mg; ② projector: 80 times magnification;

[0021] (3) Sample preparation: 120 ± 10 g samples were uniformly randomly taken out from the synthetic short fibers to be tested, and subjected to moisture absorption balance in accordance with the implementation conditions, as samples for the test.

[0022] (4) Implementation steps: ①Weighing: 35±5mg for cotton type, 60±10mg for medium-length type, 115±15mg for wool type, and carry out carding and straightening operations; ②Cut out cotton type and 20mm for medium-leng...

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Abstract

The present invention discloses the combined test method for the length and linear density of synthetic short fiber. The present invention completes the combined test of fiber length and linear density with the identical short fiber sample. The combined test method is superior to the separated test method and has reduced test error, raised test reasonability and accuracy, raised test result homogeneity, reduced test work amount, saving in time and saving in test sample.

Description

technical field [0001] The synthetic staple fiber length and linear density combined test method that the present invention relates to are suitable for polyester (polyester), polyamide (nylon), polyacrylonitrile (acrylic), polypropylene (propylene) and polyvinyl formal (vinylon) Synthetic staple fiber length and linear density combined test method. Background technique [0002] The linear density and length of synthetic staple fibers are not only one of the basic basis for determining the quality index of fiber materials, the spinnability of post-spinning processing, and the price of fiber products. One of the prerequisites for important technical parameters such as spinning speed, cooling, drawing, setting and cutting. [0003] At present, the single density test and single length test of synthetic staple fiber line mainly include the following types of test methods in the world: (1) Manual test; GB / T14335-1993, BISFA International Chemical Fiber Standard Bureau and JISL10...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/02G01B21/10G01D21/02
Inventor 王依民戚敏
Owner DONGHUA UNIV
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