CN106645263A - Method for measuring sticking temperature of low melting point fiber - Google Patents
Method for measuring sticking temperature of low melting point fiber Download PDFInfo
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- CN106645263A CN106645263A CN201611270034.8A CN201611270034A CN106645263A CN 106645263 A CN106645263 A CN 106645263A CN 201611270034 A CN201611270034 A CN 201611270034A CN 106645263 A CN106645263 A CN 106645263A
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- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The invention provides a method for measuring the sticking temperature of a low melting point fiber. Chain segments are subjected to nuclear proliferation towards a crystal and are orderly arranged by providing thermal energy, a differential scanning calorimetry DSC then uses a temperature programming mode, a fixed quantity of fiber absorbs heat under the specified conditions to start melting from the solid state, and the sticking characteristic of the fiber is represented by using the obtained peak melting temperature Tpm according to a differential scanning calorimetry curve of a measured sample. The method comprises the following steps of thermally treating the sample; using the differential scanning calorimetry DSC to test; and processing the result. The thermal treatment comprises a hot air circulated heating mode in a dry state and a boiling water heating mode. The method provided by the invention not only can be applied to the low melting point polyester fiber, but also can be applied to measuring of the sticking temperature of other low melting point fibers like a low melting point polyamide-6 fiber and a low melting point polylactic acid fiber. The method is high in applicability, is convenient to implement, and is convenient and rapid.
Description
Technical field
The present invention relates to a kind of method for determining low-melting fiber sticking temperature, more particularly to a kind of to adopt improved differential
The method that scanning calorimetry DSC determines low-melting fiber sticking temperature.
Background technology
Low-fusing point polyester composite fibre generally passes through Compound spinning silk spinning using low melting point modified poly ester with normal polyester melt
System is formed.The low-fusing point polyester composite fibre sandwich layer for ultimately forming be polyester, cortex be low melting point modified poly ester, have chopped fiber and
Two kinds of forms of long filament.In rear road application, cortex can at a certain temperature be melted and play bonding low-fusing point polyester composite fibre
Effect.In addition to low-fusing point polyester composite fibre, polypropylene (PP)/polyester complex fiber, polyethylene (PE)/polyester complex fiber
There can also be this to apply.By comparison, the compatibility of low-melting point polyester is more excellent, and the scope of fusing point is wider, and application space is bigger.
At present for the sign of low-melting fiber adhesion characteristic, generally adopt：(1) fiber viscosity flow temperature is observed under melting point apparatus
The method of degree；(2) on DSC curve sight glass temperature method.First method is because relevant with human eye, and subjectivity is strong,
A melting zone can only be judged, it is impossible to accurately judge melting temperature；It is only capable of testing out Cortical fiber using second method
The melting peak of vitrification point and sandwich layer conventional fibre, it is impossible to detect Cortical fiber melting peak.Therefore both approaches are all deposited
In very big defect.But testing sticking temperature not only can characterize the use characteristic of fiber, and product identification and trade are handed over
Easily play an important role.
In view of not yet there is effective sticking temperature assay method at present, the present invention provides a kind of low-melting fiber sticking temperature
Test method.
The content of the invention
For not yet there is a kind of effective method for determining low-melting fiber sticking temperature in prior art, the present invention passes through
There is provided heat energy makes segment to crystallization nuclear proliferation and ordered arrangement, then temperature-programmed mode is adopted on DSC differential scanning calorimeters,
Make to determine fine fiber and to absorb heat under prescribed conditions melt by solid-state, according to the differential scanning calorimetric curve of determination sample, use
Resulting melting peak temperature Tpm characterizing the bonding characteristic of fiber, so as to provide a kind of measure low-melting fiber sticking temperature
Method.The method that the present invention is provided can not only be applied on low melting point polyester fiber, it is also possible to be applied to low melting point chinlon 6 fine
On the sticking temperature of other low-melting fibers such as dimension, low melting point acid fiber by polylactic is determined.
To achieve these goals, the method that the present invention is provided is comprised the following steps：
(1) heat treatment is carried out to sample：A certain amount of low-melting fiber sample in loose condition (of surface) is taken, sample is carried out
Heat treatment；Thermally treated sample is taken out, placement is cooled down at ambient temperature, stand-by；
(2) DSC differential scanning calorimeters test：Connect instrument power source and ensure electric elements hygral equilibrium, by phase homogenous quantities
Two empty planchets be placed on the sample holder of instrument, be adjusted to actual measuring condition；Within the temperature range of requiring,
Guarantee DSC curve is straight line, records DSC curve；Take the planchet of two phase homogenous quantities, one as planchet, at it
Interior addition about 5.0mg samples, and planchet is compressed into sealing with lid, another is used as reference ware；Planchet is put into into instrument
In sample holder, it is ensured that contact good between sample and ware, between ware and support, cover the lid of sample holder；Arrange
Instrumentation program, using continuous warming mode the DSC curve of sample is measured；Measurement is finished, the cooling of sample holder component
To room temperature, planchet is taken out, check whether planchet deforms, if planchet deformation, tests again；
(3) result treatment：Melting peak temperature Tpm is asked on DSC curve, as the sticking temperature of low-melting-point composite fiber,
Result of calculation takes the meansigma methodss of two samples, and twice measurement result absolute value difference should be less than being equal to 4 DEG C, if being more than 4 DEG C, weigh
New test；When the Cortical fiber of composite fibre there are two melting peaks, the melting peak temperature at the larger peak of enthalpy is taken.
In the method for the measure low-melting fiber sticking temperature that the present invention is provided, the heat treatment carried out to sample is using dry
Hot gas cycle mode of heating under dry state.
In the method for the sticking temperature of the measure low-melting fiber that the present invention is provided, the drying regime that sample is carried out
The preferred reason of hot gas cycle heat treated is carried out in 70 DEG C～120 DEG C of baking oven is preheating to.
Sample is dried in the hot gas cycle heat treated of state what the present invention was provided, preferred dry heat treatment temperature
It it is 1 hour for 70 DEG C～100 DEG C, time.
In the method for the measure low-melting fiber sticking temperature that the present invention is provided, the heat treatment that sample is carried out can be adopted
Use boiling water mode of heating.When carrying out boiling water heat treated to sample, the boiling water treating time is 2 hours.
In the method for the sticking temperature of the measure low-melting fiber that the present invention is provided, low-melting fiber is included by low melting point
Polyester, low melting point chinlon 6, the composite fibre of at least one component of low melting point polylactic acid.
The method applicability of the measure low-melting fiber sticking temperature that the present invention is provided is wide, convenient to carry out, convenient and swift.
Description of the drawings
Fig. 1 schemes for the DSC of low melting point polyester fiber
Specific embodiment
Embodiment 1
19 low-melting fiber samples are collected, numbering is 1#～19#, is shown in Table 1.
The sample information slip of table 1
1 pair of sample carries out heat treatment
Take the fiber samples of about 500mg so as to as far as possible loose；Baking oven is preheating to into 90 under the method for operation of air circulation
DEG C～120 DEG C for the treatment of temperature；Oven temperature reach the treatment temperature of regulation and it is stable after, sample is quickly put into baking oven and is leaned on
Nearly temperature sensor, the placement location of each sample is fixed；When oven temperature reach again the treatment temperature of regulation and it is stable when,
Start timing, heat treatment time 1h～2h；Sample after heat treatment is taken out, is cooled down under room temperature, it is stand-by.
2 differential scanning calorimeter DSC are tested
Before test, instrument power source at least 1h is connected, so as to electric elements hygral equilibrium；By with phase homogenous quantities two skies
Planchet is placed on the sample holder of instrument, is adjusted to the condition of actual measurement；Within the temperature range of requiring, DSC is bent
Line should be straight line, when cannot get straight line, test again；DSC curve is recorded after confirmation；Take two cleanings, identical
Planchet, one, as planchet, weighs about 5.0mg fiber samples and is added thereto, with lid by planchet compress seal, it is another
It is individual as reference ware, planchet is compressed with lid is sealed；Planchet is put in the sample holder of instrument with tweezers, it is ensured that examination
Contact good between sample and ware, between ware and support, cover the lid of sample holder；By instrument test condition, instrument is set
Operation sequence, using continuous warming mode the DSC curve of sample is measured；Measurement is finished, and sample holder component is cooled to room
Temperature, takes out planchet, checks whether planchet deforms, as samples ware deformation, then this test is cancelled, and is tested again.
3 result treatment
Melting peak temperature Tpm is asked on DSC curve, as the sticking temperature of low-melting-point composite fiber.Result of calculation takes two
The meansigma methodss of individual specimen test result, result of the test retains a decimal.The measure independent twice obtained under the conditions of repeatability
As a result absolute value difference should be less than being equal to 4 DEG C, is less than premised on 5% by the situation more than 4 DEG C.Two parallel sample tests
If value difference is more than 4 DEG C, test again.When composite fibre Cortical fiber there are two melting peaks, the molten of the larger peak of enthalpy is taken
Melt peak temperature.
Impact of the 4 dry heat treatment temperature to sticking temperature measurement result
Take 3 samples to process 1 hour in 80 DEG C, 90 DEG C, 100 DEG C of baking oven, then carry out DSC detections, DSC detections will
Ask and weigh at least 5mg fibers, test in nitrogen atmosphere, heating rate is 20 DEG C/min, Range of measuring temp is room temperature～220
℃.Data are as shown in table 2.
The impact that the different disposal temperature of table 2 is tested fusing point
As can be seen that as temperature is lifted, melting peak temperature is improved.When 80 DEG C, the melting peak that close 180 DEG C of 3# samples does not have
Occur, illustrate that crystallization degree is inadequate；When 90 DEG C, the melting enthalpy of close 180 DEG C of 3# samples of melting peak is less；According to each
The technical recipe design of enterprise, and the test result of 1# samples is cut into slices under the microscope with its low melting point during 100 DEG C of process
Observation results contrast is consistent, therefore 100 DEG C of selection is processed.
Impact of the 5 dry heat treatment times to sticking temperature test result
1#～7# samples are taken, is processed respectively in 100 DEG C of baking oven 1 hour, 2 hours by same detection unit, distribution two
Family's unit carries out DSC detections, and DSC detection requirements weigh at least 5mg fibers, test in nitrogen atmosphere, and heating rate is 20 DEG C/
Min, Range of measuring temp is room temperature～220 DEG C.Data are as shown in table 3.
Impact of the different dry heat treatment time of table 3 to fusing point test result
As can be seen that process 1 hour it is little with 2 hour data differences.By taking 1# samples as an example, to its pure section in melting point apparatus
Lower observation little with the 1 test data differences of DSC at present of its melting process are little.Therefore, 1 hour of selection of time.
Impact of the 6 difference DSC testers to sticking temperature measurement result
Can be seen that under identical Pretreatment by the data of table 3, the heat bonding measured by two measuring units is combined
Fibrocortex melting peak temperature difference minima is at 0.4 DEG C.When processing 1 hour, only 3# samples difference is 3.84 DEG C, remaining 6 sample
Product difference is both less than 2 DEG C.Illustrate that impact of the DSC testers to test result be not obvious.
7 precision tests
The acquisition of 7.1 experimental designs and initial data
Tetra- samples of 1#, 2#, 3#, 8# are chosen, in 5 different baking ovens, 5 different DSC testers, by 10 personnel
Carry out pre-treatment and DSC detections (5 laboratorys of simulation), it is desirable to each sample 100 DEG C of process, 1 hour in baking oven, weigh
The sample that (5.0 ± 0.1) mg is handled well, in nitrogen atmosphere test, heating rate be 20 DEG C/min, temperature range be room temperature～
220℃.Each sample test is twice.Test data is as shown in table 4.
The raw data table of table 4
7.2 pairs of initial datas carry out statistical analysiss
Statistical analysiss are carried out to the initial data in table, table 5, table 6 is obtained.
The meansigma methodss table of table 5
In this test, each laboratory has two test results, therefore available absolute difference is used for representing variation, replaces standard
Difference.
The absolute difference table of table 6
The inspection of 7.3 pairs of concordance and outlier
Ke Kelun inspections are the inspections to the indoor variation of experiment, and Grubbs inspection is mainly the inspection to interlaboratory variation
Test.
Check using Ke Kelun, the value of calculated statistic of test C is listed in table 7.
The Ke Kelun statistic of test C of table 7
When n=2, p=5, it is 0.841 that Ke Kelun checks 5% marginal value；1% marginal value is 0.928.Statistic of test is complete
Portion is less than 5% marginal value, then it is right value to receive to be examined project.Show there is no straggling value.Total data is effective.
Grubbs are checked for cell-average value, the value of calculated statistic of test G1, GP, table 8 is listed in.
The Grubbs statistic of test of table 8
When n=2, p=5, it is 1.715 that Grubbs check 5% marginal value；1% marginal value is 1.764.Statistic of test
All less than 5% marginal value, then it is right value to receive to be examined project.Do not find with the presence of straggling value or outlier yet.Entirely
Portion's laboratory data is effective.
7.4 variances, repeatability limit, the calculating of repeatability limit
Variance, repeatability variance and repeatability limit, repeatability limit result list table 9 between repeated variance, test chamber.
Variance, repeatability variance and repeatability limit, repeatability limit between the repeated variance of table 9, test chamber
As can be seen from the above table, repeatability limit is all not more than 4 DEG C, is less than premised on 5% by the situation more than 4 DEG C；Again
Existing property limit is all not more than 7 DEG C, is less than premised on 5% by the situation more than 7 DEG C.
The suitability of 7.5 methods
Expanding test sample size, 9#-19# samples are processed 1 hour respectively in 100 DEG C of baking oven, carry out DSC inspections
Survey, DSC detection requirements weigh at least 5mg or so fibers, test in nitrogen atmosphere, and heating rate is 20 DEG C/min, tests temperature
Degree scope is room temperature～220 DEG C.Data are as shown in table 10.
The heat-bondable conjugated fiber fusing point of table 10 is tested
| Sample | Treatment conditions | Cortex melting peak temperature/DEG C | Remarks |
| 9# | 100 DEG C, 1h | 121.06 | Low-melting point polyester/polyester composite short fiber |
| 10# | 100 DEG C, 1h | 120.35 | Low-melting point polyester/polyester composite short fiber |
| 11# | 100 DEG C, 1h | 118.89 | Low-melting point polyester/polyester composite short fiber |
| 12# | 100 DEG C, 1h | 118.95 | Low-melting point polyester/polyester composite short fiber |
| 13# | 100 DEG C, 1h | 119.82 | Low-melting point polyester/polyester composite short fiber |
| 14# | 100 DEG C, 1h | 118.42 | Low-melting point polyester/polyester composite short fiber |
| 15# | 100 DEG C, 1h | 170.57 | Sandwich layer is chinlon 6, and cortex is low-melting point polyester |
| 16# | 100 DEG C, 1h | 113.56 | Low-melting point polyester/polyester is combined tow |
| 17# | 100 DEG C, 1h | 118.43 | Low-melting point polyester/polyester composite short fiber |
| 18# | 100 DEG C, 1h | 111.40 | Low melting point chinlon 6 filament |
| 19# | 100 DEG C, 1h | 130.85 | Low melting point polylactic acid/polylactic acid composite short fiber |
As can be seen from the above table, method is applicable not only to low-melting point polyester, applies also for low melting point chinlon 6, low melting point and gathers
Lactic acid, the suitability is wide.
Embodiment 2
Sample specification is with numbering with embodiment 1.
1 pair of sample carries out heat treatment
Take the fiber samples of about 500mg so as to as far as possible loose；Preheat 1～3 hour under boiling water.By the examination after heat treatment
Sample takes out, and cools down under room temperature, stand-by.
2 differential scanning calorimeter DSC are tested
When DSC is detected, test in nitrogen atmosphere, heating rate is 20 DEG C/min, Range of measuring temp is room temperature～220
℃.Before test, instrument power source at least 1h is connected, so as to electric elements hygral equilibrium；By with phase homogenous quantities two empty samples
Ware is placed on the sample holder of instrument, is adjusted to the condition of actual measurement；Within the temperature range of requiring, DSC curve should
Being straight line, when cannot get straight line, repeating to test；DSC curve is recorded after confirmation；Take two cleanings, identical samples
Product ware, one, as planchet, weighs about 5.0mg fiber samples and is added thereto, and compresses planchet with lid and seals, another work
For reference ware, planchet is compressed with lid is sealed；Planchet is put in the sample holder of instrument with tweezers, it is ensured that sample and
Contact good between ware, between ware and support, cover the lid of sample holder；By instrument test condition, instrumentation is set
Program, using continuous warming mode the DSC curve of sample is measured；Measurement is finished, and sample holder component is cooled to room temperature, is taken
Go out planchet, check whether planchet deforms, as samples ware deformation, then this test is cancelled, and is tested again.
3 result treatment
Melting peak temperature Tpm is asked on DSC curve, as the sticking temperature of low-melting-point composite fiber.Result of calculation takes two
The meansigma methodss of individual specimen test result, result of the test retains a decimal.The measure independent twice obtained under the conditions of repeatability
As a result absolute value difference should be less than being equal to 4 DEG C, is less than premised on 5% by the situation more than 4 DEG C.Two parallel sample tests
If value difference is more than 4 DEG C, test again.When composite fibre Cortical fiber there are two melting peaks, the molten of the larger peak of enthalpy is taken
Melt peak temperature.
Impact of the 4 boiling water treating temperature to sticking temperature measurement result
Take 8# samples to process respectively in boiling water 1 hour, 2 hours, 3 hours, 4 hours, then carry out DSC detections, DSC inspections
Survey requirement and weigh at least 5mg or so fibers, test in nitrogen atmosphere, heating rate is 20 DEG C/min, Range of measuring temp is
Room temperature～220 DEG C.Data are as shown in table 11.
The fusing point testing differentia of the different boiling water treating times of table 11
| Sample | Process time | Cortex peak melting/DEG C |
| 8# | Boiling water treating, 1 hour | Nothing |
| 8# | Boiling water treating, 2 hours | 127.36 |
| 8# | Boiling water treating, 3 hours | 125.79 |
| 8# | Boiling water treating, 4 hours | 127.24 |
By upper table data it can be seen that processing more than 2 hours.2 hours, 3 hours, 4 hours difference it is unobvious, so
Select 2 hours.
Take 1#～7# samples to process respectively in boiling water 2 hours, then carry out DSC detections, DSC detection requirements are weighed at least
5mg or so fibers, test in nitrogen atmosphere, and heating rate is 20 DEG C/min, and Range of measuring temp is room temperature～220 DEG C.Number
According to as shown in table 12.
The fusing point testing differentia of different sample boiling water treatings 2h of table 12
| Sample | Process time | Cortex peak melting/DEG C |
| 1# | Boiling water treating, 2 hours | 128.78 |
| 2# | Boiling water treating, 2 hours | 129.69 |
| 3# | Boiling water treating, 2 hours | 179.96 |
| 4# | Boiling water treating, 2 hours | 128.89 |
| 5# | Boiling water treating, 2 hours | 129.71 |
| 6# | Boiling water treating, 2 hours | 130.01 |
| 7# | Boiling water treating, 2 hours | 128.71 |
It is feasible that table 12 is demonstrated using the process time of 2 hours.
Claims (7)
1. a kind of method for determining low-melting fiber sticking temperature, comprises the following steps：
(1) heat treatment is carried out to sample：A certain amount of low-melting fiber sample in loose condition (of surface) is taken, sample is carried out into hot place
Reason；Thermally treated sample is taken out, placement is cooled down at ambient temperature, stand-by；
(2) differential scanning calorimeter DSC tests：Connect instrument power source and ensure electric elements hygral equilibrium, by the two of phase homogenous quantities
Individual empty planchet is placed on the sample holder of instrument, is adjusted to actual measuring condition；Within the temperature range of requiring, it is ensured that
DSC curve is straight line, records DSC curve；The planchet of two phase homogenous quantities is taken, one, as planchet, adds in it
Enter about 5.0mg samples, and planchet is compressed into sealing with lid, another is used as reference ware；Planchet is put into into the sample of instrument
In support, it is ensured that contact good between sample and ware, between ware and support, cover the lid of sample holder；Instrument is set
Operation sequence, using continuous warming mode the DSC curve of sample is measured；Measurement is finished, and sample holder component is cooled to room
Temperature, takes out planchet, checks whether planchet deforms, if planchet deformation, tests again；
(3) result treatment：Melting peak temperature Tpm is asked on DSC curve, as the sticking temperature of low-melting-point composite fiber, is calculated
As a result the meansigma methodss of two samples are taken, twice measurement result absolute value difference should be less than being equal to 4 DEG C, if being more than 4 DEG C, try again
Test；When the Cortical fiber of composite fibre there are two melting peaks, the melting peak temperature at the larger peak of enthalpy is taken.
2. a kind of method for determining low-melting fiber sticking temperature as claimed in claim 1, it is characterised in that sample is carried out
Heat treatment using the hot gas cycle mode of heating under drying regime.
3. a kind of method for determining low-melting fiber sticking temperature as claimed in claim 2, it is characterised in that described drying
Hot gas cycle heat treated under state is carried out in 70 DEG C～120 DEG C of baking oven is preheating to.
4. a kind of method for determining low-melting fiber sticking temperature as claimed in claim 2, it is characterised in that described drying
Hot gas cycle heat treated under state, heat treatment temperature is 70 DEG C～100 DEG C, and the time is 1 hour.
5. a kind of method for determining low-melting fiber sticking temperature as claimed in claim 1, it is characterised in that sample is carried out
Heat treatment adopt boiling water mode of heating.
6. a kind of method for determining low-melting fiber sticking temperature as claimed in claim 5, it is characterised in that sample is carried out
Boiling water heating treatment time be 2 hours.
7. a kind of method for determining low-melting fiber sticking temperature as claimed in claim 1, it is characterised in that described eutectic
Point fiber be at least containing low-melting point polyester, low melting point chinlon 6, low melting point polylactic acid any one component composite fibre.
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| CN201611270034.8A CN106645263A (en) | 2016-12-30 | 2016-12-30 | Method for measuring sticking temperature of low melting point fiber |
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| CN201611270034.8A CN106645263A (en) | 2016-12-30 | 2016-12-30 | Method for measuring sticking temperature of low melting point fiber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730225A (en) * | 2020-12-09 | 2021-04-30 | 中国纺织科学研究院有限公司 | Low-melting-point fiber bonding strength testing device and testing method |
| CN113533416A (en) * | 2020-04-15 | 2021-10-22 | 天津农学院 | Quantitative analysis method of terylene/chinlon 6 blended product |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157591A (en) * | 1994-05-24 | 1997-08-20 | 埃克森化学专利公司 | Fibers and fabrics incorporating lower melting propylene polymers |
-
2016
- 2016-12-30 CN CN201611270034.8A patent/CN106645263A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157591A (en) * | 1994-05-24 | 1997-08-20 | 埃克森化学专利公司 | Fibers and fabrics incorporating lower melting propylene polymers |
Non-Patent Citations (2)
| Title |
|---|
| 孔繁贞: "保型性针织帽性能及工艺的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 罗海林等: "低熔点聚酯的热分析", 《浙江理工大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533416A (en) * | 2020-04-15 | 2021-10-22 | 天津农学院 | Quantitative analysis method of terylene/chinlon 6 blended product |
| CN112730225A (en) * | 2020-12-09 | 2021-04-30 | 中国纺织科学研究院有限公司 | Low-melting-point fiber bonding strength testing device and testing method |
| CN112730225B (en) * | 2020-12-09 | 2023-02-28 | 中国纺织科学研究院有限公司 | Low-melting-point fiber bonding strength testing device and testing method |
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Effective date of registration: 20180129 Address after: No. 5, building No. 9, No. 988, Pingliang Road, Shanghai Applicant after: Shanghai Textile Industry Technology Supervision Institute Applicant after: SHANGHAI TEXTILE GROUP DETECTION STANDARD CO., LTD. Applicant after: Shanghai Textile Science Research Institute Co Ltd Address before: No. 5, building No. 9, No. 988, Pingliang Road, Shanghai Applicant before: Shanghai Textile Industry Technology Supervision Institute Applicant before: SHANGHAI TEXTILE GROUP DETECTION STANDARD CO., LTD. |
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Application publication date: 20170510 |
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