CN101995361B - Long glass fiber filling quantity measuring method in plastic modification processing process - Google Patents
Long glass fiber filling quantity measuring method in plastic modification processing process Download PDFInfo
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- CN101995361B CN101995361B CN2009101088860A CN200910108886A CN101995361B CN 101995361 B CN101995361 B CN 101995361B CN 2009101088860 A CN2009101088860 A CN 2009101088860A CN 200910108886 A CN200910108886 A CN 200910108886A CN 101995361 B CN101995361 B CN 101995361B
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- long glass
- glass fibres
- glass fiber
- plastics
- measuring method
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 238000012986 modification Methods 0.000 title claims abstract description 8
- 230000004048 modification Effects 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000011068 loading method Methods 0.000 claims description 30
- 239000011521 glass Substances 0.000 claims description 18
- 238000005453 pelletization Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention relates to a long glass fiber filling quantity measuring method in the plastic modification processing process. Long glass fiber is sampled at a glass fiber material feeding opening of a double-screw extruding machine of melt modified plastics, and the modified plastics are sampled at a modified plastic material collecting opening. Measuring tools comprise a timing stopwatch and an electronic scale. The method comprises the following steps of: 1. after the plastic modification extrusion of the double-screw extruding machine is stable, maintaining all processing parameters unchanged, and respectively sampling long glass fiber at the glass fiber feeding material opening and sampling the modified plastics at the modified plastic material collecting opening in the same sampling time metered by the timing stopwatch; 2. respectively weighing the reducing quantity of the long glass fiber and the producing quantity of the modified plastics in the same metering time by the electronic scale; and 3. calculating the filling quantity of the long glass fiber through dividing the reducing quantity of the long glass fiber by the producing quantity of the modified plastics. The measuring method of the invention is practical and reliable, adopts the simple measuring tools, and has the short measuring period, the whole measuring process can be completed in two minutes, and the measuring error is within one percent of the filling quantity of the glass fiber.
Description
Technical field
The present invention relates to the measurement of spun glass loading, particularly relate to the long glass fibres loading measuring method in a kind of modifying plastics process.
Background technology
Long glass fibres loading measuring method in the existing modifying plastics process adopts firing method to measure mostly, measures time-consuming reaching about half an hour, both combustion plant need be provided, and consumes energy pollutes atmosphere; Need provide burning to use the material sample again, cause material loss, waste easily, the material that is not suitable for involving great expense is measured.Also having a kind of method is the calculation of parameter spun glass loadings such as engine speed, feeding rotating speed through measuring extruder, and this method receives the influence of raw materials for production and extruder stability easily, and measuring error is bigger.
Summary of the invention
Technical matters to be solved by this invention is the deficiency that remedies above-mentioned prior art, proposes the long glass fibres loading measuring method in a kind of modifying plastics process.
Technical matters of the present invention adopts following technical scheme to solve:
Long glass fibres loading measuring method in this modifying plastics process comprises sampling method and survey instrument.
The characteristics of the long glass fibres loading measuring method in this modifying plastics process are:
Said sampling method is included in the spun glass spout sampling long glass fibres of the double screw extrusion machine of melt modification plastics, at modified plastics material receiving port sampling modified plastics;
Said survey instrument comprises Chronograph and electronic scales;
May further comprise the steps:
1) the double screw extrusion machine modifying plastics extrude stable after, keep all machined parameters constant, in the identical sample time of Chronograph metering, respectively at spun glass spout sampling long glass fibres, at modified plastics material receiving port sampling modified plastics;
2) weigh the reduction and the modified plastics quantum of output of long glass fibres in the identical metering time respectively with electronic scales;
3) reduction with long glass fibres calculates the long glass fibres loading divided by the modified plastics quantum of output.
Further technical scheme below technical matters of the present invention adopts solves:
Preferably, said Chronograph is the stopwatch timer.
Preferably, said electronic scales is that precision is that thousand minutes positions, ranges are at least 30 kilograms electronic scales.Measuring error is controlled in 1% the spun glass loading.
After said modifying plastics process comprises that plastic raw materials mixes, extrude, cool off then, the process of pelletizing through screw extruder.
It is that the double screw extrusion machine running is stable that said double screw extrusion machine modifying plastics is extruded stable, and the traction of material bar is smooth and easy.
Be a kind of in 1 minute, 2 minutes and 5 minutes the identical sample time of said Chronograph metering.
Preferably, be 1 minute the identical sample time of said Chronograph metering.
Preferably, said modified plastics is polyethylene terephthalate (the abbreviation code name is PET) section, is called for short the PET section.
The beneficial effect of the present invention and prior art contrast is:
The measuring method of long glass fibres loading of the present invention is practical reliable, and survey instrument is simple, and measuring period is short, and whole measuring process can be accomplished in 2 minutes, and measuring error is in the one percentage point of spun glass loading.The measuring method of long glass fibres loading of the present invention can be widely used in the modification in-process measurement long glass fibres loading that various plastics are filled long glass fibres; So that in time adjust the modification working process parameter; The loading of guaranteeing long glass fibres adheres to specification; Help improving working (machining) efficiency, economize on resources.
Embodiment
Below in conjunction with five specific embodiments the present invention is described further.
Embodiment 1
The PET section is placed double screw extrusion machine, set the extruder technological parameter, open machine then, carry out extruding pelletization, long glass fibres is added by the spun glass spout of double screw extrusion machine, and adding number of share of stock is 1 strand.After waiting to expect that the bar traction is smooth and easy, keep all machined parameters constant, spun glass is placed on the electronic scales, be 1 minute the identical sample time of Chronograph metering, writes down the weight that long glass fibres reduces in 1 minute., connected material 1 minute simultaneously the weight that is connected material with the electronic scales weighing at the material receiving port place of double screw extrusion machine.Go out the long glass fibres loading with the long glass fibres reduction divided by the material recuperation then, and compare with empirical value and combustion testing value.Long glass fibres is the long glass fibres that Taishan glass fiber Ltd produces.220 ℃ of one district's temperature of double screw extrusion machine, 250 ℃ of two district's temperature, 250 ℃ of three district's temperature, 240 ℃ of four district's temperature, 230 ℃ of five district's temperature, 225 ℃ of head temperatures;
Embodiment 2
Basically with embodiment 1, difference is: be 2 minutes the identical sample time of Chronograph metering.
Embodiment 3
Basically with embodiment 1, difference is: be 5 minutes the identical sample time of Chronograph metering.
Embodiment 4
Basically with embodiment 1, difference is: long glass fibres is the long glass fibres that Jushi Group Co., Ltd. produces.
Embodiment 5
Basically with embodiment 1, difference is: long glass fibres is the long glass fibres that Great Wall spun glass company limited produces.
The measurement result contrast of embodiment 1～3 sees the following form 1
Table 1
| Measuring Time (minute) | Glass reduction (g) | Produce material amount (g) | Glass loading (%) | Firing method test result (%) | Glass loading empirical value (%) |
| 1 | 81 | 528 | 15.3 | 15.8 | 16 |
| 2 | 165 | 1064 | 15.5 | 15.2 | 16 |
| 5 | 401 | 2571 | 15.6 | 15.7 | 16 |
The measurement result contrast of embodiment 1,4,5 sees the following form 2
Table 2
| The spun glass kind | Glass loading (%) | Firing method test result (%) | Glass loading empirical value (%) |
| Mount Taishan | 15.3 | 15.8 | 16 |
| Megalith | 15.1 | 15.7 | 16 |
| Great Wall | 15.0 | 15.5 | 16 |
The measurement result of embodiment 1～5 in the contrast table 1,2 has to draw a conclusion:
1) the identical type long glass fibres is in different sample times, the long glass fibres loading basically identical that measures;
2) the variety classes long glass fibres is in identical sample time, and the long glass fibres loading that measures is difference to some extent, and reason is that different types of spun glass thickness there are differences.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, make some being equal under the prerequisite of the present invention design and substitute or obvious modification not breaking away from, and performance or purposes are identical, all should be regarded as belonging to protection scope of the present invention.
Claims (7)
1. the long glass fibres loading measuring method in the modifying plastics process comprises sampling method and survey instrument, it is characterized in that:
Said sampling method is included in the spun glass spout sampling long glass fibres of the double screw extrusion machine of melt modification plastics, at modified plastics material receiving port sampling modified plastics;
Said survey instrument comprises Chronograph and electronic scales;
May further comprise the steps:
1) the double screw extrusion machine modifying plastics extrude stable after, keep all machined parameters constant, in the identical sample time of Chronograph metering, respectively at spun glass spout sampling long glass fibres, at modified plastics material receiving port sampling modified plastics;
2) weigh the reduction and the modified plastics quantum of output of long glass fibres in the identical metering time respectively with electronic scales;
3) reduction with long glass fibres calculates the long glass fibres loading divided by the modified plastics quantum of output.
2. the long glass fibres loading measuring method in the modifying plastics process as claimed in claim 1 is characterized in that:
Said Chronograph is the stopwatch timer.
3. the long glass fibres loading measuring method in according to claim 1 or claim 2 the modifying plastics process is characterized in that:
Said electronic scales is that precision is accurate to the electronic scales that thousand minutes positions, ranges are at least 30 kilograms.
4. the long glass fibres loading measuring method in the modifying plastics process as claimed in claim 3 is characterized in that:
After said modifying plastics process comprises that plastic raw materials mixes, extrude, cool off then, the process of pelletizing through double screw extrusion machine.
5. the long glass fibres loading measuring method in the modifying plastics process as claimed in claim 4 is characterized in that:
It is that the double screw extrusion machine running is stable that said double screw extrusion machine modifying plastics is extruded stable, and the traction of material bar is smooth and easy.
6. the long glass fibres loading measuring method in the modifying plastics process as claimed in claim 5 is characterized in that:
Be a kind of in 1 minute, 2 minutes and 5 minutes the identical sample time of said Chronograph metering.
7. the long glass fibres loading measuring method in the modifying plastics process as claimed in claim 6 is characterized in that:
Said modified plastics is the PET section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101088860A CN101995361B (en) | 2009-08-11 | 2009-08-11 | Long glass fiber filling quantity measuring method in plastic modification processing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101088860A CN101995361B (en) | 2009-08-11 | 2009-08-11 | Long glass fiber filling quantity measuring method in plastic modification processing process |
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| Publication Number | Publication Date |
|---|---|
| CN101995361A CN101995361A (en) | 2011-03-30 |
| CN101995361B true CN101995361B (en) | 2012-07-04 |
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| CN2009101088860A Expired - Fee Related CN101995361B (en) | 2009-08-11 | 2009-08-11 | Long glass fiber filling quantity measuring method in plastic modification processing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103913396B (en) * | 2013-08-23 | 2016-09-28 | 郑怡 | Fiber content assay method in a kind of fibre reinforced concrete |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1030699A1 (en) * | 1982-04-01 | 1983-07-23 | Предприятие П/Я М-5314 | Device for determination of binder content of glass-reinforced plastics |
| US5160578A (en) * | 1990-04-23 | 1992-11-03 | Phillips Petroleum Company | Separating of fibers from a fiber-containing solid sample |
| CN1982865A (en) * | 2005-12-12 | 2007-06-20 | 天津天纺投资控股有限公司 | Method for quantitivelly and chemically analyzing cotton spandex covering yarn fiber content |
| JP4039063B2 (en) * | 2002-01-16 | 2008-01-30 | 富士電機ホールディングス株式会社 | Composition analysis method of glass cloth base resin substrate |
| CN101464241A (en) * | 2009-01-21 | 2009-06-24 | 湖南中烟工业有限责任公司 | Method for measuring additional fiber content in reconstituted tobacco by papermaking method |
| CN101470064A (en) * | 2007-12-25 | 2009-07-01 | 天津天纺投资控股有限公司 | Cotton and silk fiber blended product content analysis method |
-
2009
- 2009-08-11 CN CN2009101088860A patent/CN101995361B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1030699A1 (en) * | 1982-04-01 | 1983-07-23 | Предприятие П/Я М-5314 | Device for determination of binder content of glass-reinforced plastics |
| US5160578A (en) * | 1990-04-23 | 1992-11-03 | Phillips Petroleum Company | Separating of fibers from a fiber-containing solid sample |
| JP4039063B2 (en) * | 2002-01-16 | 2008-01-30 | 富士電機ホールディングス株式会社 | Composition analysis method of glass cloth base resin substrate |
| CN1982865A (en) * | 2005-12-12 | 2007-06-20 | 天津天纺投资控股有限公司 | Method for quantitivelly and chemically analyzing cotton spandex covering yarn fiber content |
| CN101470064A (en) * | 2007-12-25 | 2009-07-01 | 天津天纺投资控股有限公司 | Cotton and silk fiber blended product content analysis method |
| CN101464241A (en) * | 2009-01-21 | 2009-06-24 | 湖南中烟工业有限责任公司 | Method for measuring additional fiber content in reconstituted tobacco by papermaking method |
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| CN101995361A (en) | 2011-03-30 |
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Owner name: SHENZHEN HUALIXING NEW MATERIALS CO., LTD. Free format text: FORMER NAME: SHENZHEN HALCYON ENGINEERING PLASTICS CO., LTD. |
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Address after: 518104, Shenzhen, Guangdong province Baoan District manhole town Wanfeng village, Dayang Industrial Zone, 19 Patentee after: SHENZHEN HALCYON ENGINEERING PLASTICS CO., LTD. Address before: 518104, Shenzhen, Guangdong province Baoan District manhole town Wanfeng village, Dayang Industrial Zone, 19 Patentee before: Shenzhen Halcyon Engineering Plastics Co., Ltd. |
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Address after: 518105 Guangdong city of Shenzhen province Baoan District Tantou town of Songgang West Industrial Park building A16 Patentee after: SHENZHEN HALCYON ENGINEERING PLASTICS CO., LTD. Address before: 518104, Shenzhen, Guangdong province Baoan District manhole town Wanfeng village, Dayang Industrial Zone, 19 Patentee before: SHENZHEN HALCYON ENGINEERING PLASTICS CO., LTD. |
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Address after: Longgang District of Shenzhen City, Guangdong province 518116 Baolong Industrial Zone Jinlong Road No. 6 Patentee after: SHENZHEN HALCYON ENGINEERING PLASTICS CO., LTD. Address before: 518105 Guangdong city of Shenzhen province Baoan District Tantou town of Songgang West Industrial Park building A16 Patentee before: SHENZHEN HALCYON ENGINEERING PLASTICS CO., LTD. |
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Granted publication date: 20120704 Termination date: 20160811 |