CN102922837A - Composite sheet used for manufacturing antistatic bearing belt and processing method of composite sheet - Google Patents
Composite sheet used for manufacturing antistatic bearing belt and processing method of composite sheet Download PDFInfo
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- CN102922837A CN102922837A CN201210437182XA CN201210437182A CN102922837A CN 102922837 A CN102922837 A CN 102922837A CN 201210437182X A CN201210437182X A CN 201210437182XA CN 201210437182 A CN201210437182 A CN 201210437182A CN 102922837 A CN102922837 A CN 102922837A
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- Prior art keywords
- antistatic
- composite sheet
- intermediate layer
- resin
- top layer
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000010410 layer Substances 0.000 claims abstract description 79
- 239000011347 resin Substances 0.000 claims abstract description 37
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 210000002615 epidermis Anatomy 0.000 claims description 8
- 238000005469 granulation Methods 0.000 claims description 7
- 230000003179 granulation Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 210000003491 skin Anatomy 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000002174 Styrene-butadiene Substances 0.000 claims description 2
- 229920005990 polystyrene resin Polymers 0.000 claims description 2
- 239000011115 styrene butadiene Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract 4
- 239000004793 Polystyrene Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 229920002223 polystyrene Polymers 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 230000003678 scratch resistant effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a composite sheet used for manufacturing an antistatic bearing belt and a processing method of the composite sheet. The composite sheet and the processing method eliminate the defects that costs are increased due to the fact that bearing belts are required to be thickened to prevent bearing belt damage caused by the low bearing capability of bearing belts due to the low elongation ratio of sheets which are used for manufacturing bearing belts in the prior art. The composite sheet is composed of an antistatic upper surface layer, an antistatic lower surface layer and an intermediate layer, wherein the antistatic upper surface layer, the antistatic lower surface layer and the intermediate layer are integrated, the intermediate layer comprises, by mass, 30%-53% of general purpose polystyrene (GPPS) resin, 45%-68% of transparent butadiene-styrene impact resin (K-resin), 2%-8% of a lubricating agent, 0%-2% of an ultraviolet light absorbing agent and 0%-4% of a light dispersing agent, the sheet which is composed of the compositions has good elongation ratio and good bearing capability, the sheet is extruded by the same finish molds of two extruding machines to form the composite sheet, the bearing belt is produced by the method, the high-speed forming of the bearing belt is facilitated, and layers of the produced bearing belt are not delaminated easily.
Description
Technical field
The present invention relates to a kind of composite sheet and processing method thereof, particularly relate to a kind of composite sheet and processing method thereof be used to making antistatic carrying belt.
Background technology
The carrying belt that is used for packing, the carrying belt such as electronic devices and components such as packing IC need have certain intensity and toughness.Precise treatment, miniaturization along with electronic devices and components, it is more and more narrow that the electronic packaging material also becomes, and the fracture elongation of sheet material in the market only has about 85.0%, for preventing that carrying belt is damaged in transportation, need to increase its thickness and increase its intensity, cause the cost of carrying belt high, reduced the benefit of enterprise.
Simultaneously, carrying belt need have prevent electronic devices and components produce and transportation in static damages or the ability of contamination by dust because being subject to.Existing sheet material for the manufacture of the electrostatic resistant transparent carrying belt is to add antistatic composition to make in single sheet, and its antistatic effect is not lasting.
Existing carrying belt, in order to prevent ultraviolet irradiation, its transparency is low, is difficult for the clear electronic component that is equipped with in the carrying belt of identifying in transportation and sales process, and impact is to packing the identification of interior article.
Summary of the invention
The objective of the invention is, percentage elongation for the sheet material of making carrying belt in the prior art is low, so that the bearing capacity of carrying belt is low, need the thickening carrying belt to prevent that carrying belt from damaging, so that the deficiency that cost increases, a kind of composite sheet and processing method thereof for making the electrostatic resistant transparent carrying belt is provided, and he has good percentage elongation and bearing capacity.
The objective of the invention is to be achieved through the following technical solutions:
First purpose of the present invention is, a kind of composite sheet be used to making antistatic carrying belt is provided, it is comprised of intermediate layer, top layer, described top layer is comprised of antistatic upper epidermis and antistatic lower top layer, described intermediate layer, antistatic upper epidermis and antistatic lower top layer form one, and described intermediate layer is made of by mass percentage following component: GPPS resin 30%-53%, K resin 45%-68%, lubricant 2%-8%, 0%-2% ultraviolet ray optical absorbing agent, 0%-4% light diffusing agent;
Further, described intermediate layer is made of by mass percentage following component: GPPS resin 37%-48%, K resin 47%-58%, lubricant 3%-5%, ultraviolet optical absorbing agent 0%-1%, 2%-4% light diffusing agent;
Further, described top layer is made of by mass percentage following component, GPPS resin 30%-52%, K resin 45%-67%, lubricant 2%-10%, 0%-3% ultraviolet ray optical absorbing agent, 1%-3% antistatic additive;
Further, described top layer is made of by mass percentage following component, GPPS resin 40%-47%, K resin 50%-57%, lubricant 2%-5%, ultraviolet optical absorbing agent 0%-3%, antistatic additive 1%-2%.
Second purpose of the present invention be, a kind of processing method of the composite sheet be used to making antistatic carrying belt is provided, and comprises the steps:
Granulation: in one of the every described ratio of claim 1-4, get GPPS resin, K resin, lubricant, ultraviolet optical absorbing agent and top layer each component in the component of intermediate layer, intermediate layer component and top layer component carry out respectively granulation, obtain particle diameter less than or equal to 60 microns intermediate layer raw material particle and top layer raw material particle:
Oven dry: resulting intermediate layer raw material particle and top layer raw material particle are entered respectively baking oven, under 90 ± 10C ° of temperature dry 60-90 minute respectively;
Sheet material is extruded: intermediate layer raw material particle and the top layer raw material particle of drying are inserted respectively feeding tube, by three layers of composite sheet of the two extruders same die extrusion of process, the interlayer sheet extruder temperature is 195-250C °, the skin sheets extruder temperature is 200-250C °, extrudes the sheet material that thickness is 0.2-0.5mm;
Further, in described baking step, before described intermediate layer raw material particle enters described baking oven, in aforesaid ratio, intermediate layer particle and light diffusing agent, water absorbing agent are stirred, then reenter baking oven and dry, the consumption of described water absorbing agent is the 0-3% of described intermediate layer component;
Further, in described granulation step, adopt dual-screw pelletizer, the rotating speed of main frame is 30-35 rev/min, and the feeding rotating speed is 25-30 rev/min, and melt pressure is 4-6MPa;
Further, upper, middle and lower three roll temperatures of described extruder are 50-65C °.
The 3rd purpose of the present invention is, a kind of composite sheet be used to making antistatic carrying belt is provided, it is comprised of intermediate layer, antistatic upper epidermis and antistatic lower top layer, and make by the preceding method coextrusion is compound on described intermediate layer, antistatic upper epidermis and antistatic lower top layer;
Further, the light transmittance of described sheet material is 82-87%, and mist degree is 6-13%.
Because composite sheet of the present invention made as stated above by above-mentioned component, it has good mechanical performance, and its fracture elongation has improved 10-50% than the percentage elongation of prior art between 93-130%, greatly improved the bearing capacity of carrying belt; Simultaneously, it has suitable light transmittance and mist degree, makes by the carrying belt that adopts sheet material of the present invention to make and both can be clear that in-built article, has again the ability of good antiultraviolet.Sheet material of the present invention, its antistatic effect is lasting.
The specific embodiment
The invention will be further described below in conjunction with embodiment:
Composite sheet of the present invention, the Main Ingredients and Appearance on intermediate layer and top layer is polystyrene resin (being called for short the GPPS resin) and styrene-butadiene transparent anti-impact resin (being called for short the K resin), the GPPS resin has the inexpensive characteristics of light weight, when reducing cost, has guaranteed mouldability and the stability of sheet material; Add the K resin, not only make composite sheet have good transparency and improved impact strength and the tensile strength of sheet material, the GPPS resin of proportioning of the present invention and K resin are greatly improved the percentage elongation of sheet material; The ultraviolet ray optical absorbing agent has improved the sunlight resistance of goods; Lubricant has improved the flowability of melt, melt is more easily extruded, increased simultaneously the lubricity when sheet material is extruded, strengthened the scratch-resistant performance of sheet material, especially all added lubricant in intermediate layer and top layer, so that the scratch-resistant performance of sheet material is significantly improved, make the carrying belt of making have good scratch-resistant performance; The light diffusing agent of component of the present invention has suitable mist degree concurrently when making sheet material have good transparency, the visuality of sheet material of the present invention and light-protection are balanced each other.
In invention, adopt two extruding machine meltings, with a bite mould co-extrusion, three layers of compound technology can effectively reduce cost, simplified processing process.Adopt the inventive method to produce carrying belt, be conducive to the high-speed molding of carrying belt, and carrying belt and the interlayer produced are difficult for delamination.
Embodiment 1
1, prepare raw material:
Intermediate layer formula for raw stock component is GPPS resin 33%, K resin 59, lubricant 5, ultraviolet optical absorbing agent 1%, light diffusing agent 2%;
Top layer raw material component is: GPPS resin 36%, K resin 56%, lubricant 5%, ultraviolet optical absorbing agent 2%, antistatic additive 1%;
2, granulation:
With the GPPS resin in the raw material of intermediate layer, K resin, lubricant, ultraviolet optical absorbing agent, carry out uniform stirring with the screw rod mixer; Pour the material that stirs into dual-screw pelletizer, be extruded into particle, make the intermediate layer raw material.Engine speed is at 35 rev/mins, 29 rev/mins of feeding rotating speeds, and melt pressure is at 4MPa.Make grain diameter and be the raw material particle below 60 microns;
The top layer raw material are carried out uniform stirring with the screw rod mixer; Pour the material that stirs into dual-screw pelletizer, be extruded into particle, make the top layer raw material.Engine speed is at 31 rev/mins, 25 rev/mins of feeding rotating speeds, and it is 60 microns raw material particle that melt pressure makes grain graininess at 5MPa;
3, oven dry:
With intermediate layer raw material particle and light diffusing agent and water absorbing agent mixing and stirring, enter baking oven, drying time, bake out temperature was at 90 degree at 90 minutes;
Wherein the addition of water absorbing agent is generally and is no more than 3% of intermediate layer raw material each component gross mass by its specification.Also can not add water absorbing agent.
Pour top layer raw material particle into baking oven, oven dry is 90 minutes under the temperature of 100 degree;
4, sheet material is extruded:
Intermediate layer raw material particle after the oven dry and top layer feed particles are fed two extruders by feeding tube respectively, again through three layers of composite sheet of same die extrusion.Setting each section of interlayer sheet extruder temperature is the 195-250 degree, and setting the skin sheets extruder temperature is the 200-250 degree, and the temperature of extruder upper, middle and lower three rollers is 50 ~ 65 degree.The sheet thickness that obtains is 0.5mm.
Embodiment 2-8
Intermediate layer raw material component and top layer raw material component, and each parameter see that embodiment tabulates, all the other are with embodiment 1.
Table 1: embodiment tabulation
Table 2: the performance table of comparisons
Claims (10)
1. composite sheet that is used for making antistatic carrying belt, it is characterized in that, it is comprised of intermediate layer, top layer, described top layer is comprised of antistatic upper epidermis and antistatic lower top layer, described intermediate layer, antistatic upper epidermis and antistatic lower top layer form one, described intermediate layer is made of by mass percentage following component: polystyrene resin (GPPS resin) 30%-53%; styrene-butadiene transparent anti-impact resin (K resin) 45%-68%; lubricant 2%-8%; 0%-2% ultraviolet ray optical absorbing agent, 0%-4% light diffusing agent.
2. a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 1 is characterized in that, described intermediate layer is made of by mass percentage following component: GPPS resin 37%-48%, K resin 47%-58%, lubricant 3%-5%, ultraviolet optical absorbing agent 0%-1%, 2%-4% light diffusing agent.
3. a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 1 or 2, it is characterized in that, described top layer is made of by mass percentage following component, GPPS resin 30%-52%, K resin 45%-67%, lubricant 2%-10%, 0%-3% ultraviolet ray optical absorbing agent, 1%-3% antistatic additive.
4. a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 3 is characterized in that, described top layer is made of by mass percentage following component, GPPS resin 40%-47%, K resin 50%-57%, lubricant 2%-5%, ultraviolet ray optical absorbing agent 0%-3%, antistatic additive 1%-2%.
5. the processing method for the composite sheet of making antistatic carrying belt is characterized in that, comprises the steps:
Granulation: in one of the every described ratio of claim 1-4, get GPPS resin, K resin, lubricant, ultraviolet optical absorbing agent and top layer each component in the component of intermediate layer, intermediate layer component and top layer component carry out respectively granulation, obtain particle diameter less than or equal to 60 microns intermediate layer raw material particle and top layer raw material particle:
Oven dry: resulting intermediate layer raw material particle and top layer raw material particle are entered respectively baking oven, under 90 ± 10C ° of temperature dry 60-90 minute respectively;
Sheet material is extruded: intermediate layer raw material particle and the top layer raw material particle of drying are inserted respectively feeding tube, by three layers of composite sheet of the two extruders same die extrusion of process, the interlayer sheet extruder temperature is 195-250C °, the skin sheets extruder temperature is 200-250C °, extrudes the sheet material that thickness is 0.2-0.5mm.
6. the processing method of a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 5, it is characterized in that, in described baking step, before described intermediate layer raw material particle enters described baking oven, in one of the every described ratio of claim 1-2, intermediate layer particle and light diffusing agent, water absorbing agent are stirred, then reenter baking oven and dry, the consumption of described water absorbing agent is the 0-3% of described intermediate layer component.
7. the processing method of a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 5 is characterized in that, in described granulation step; adopt dual-screw pelletizer; the rotating speed of main frame is 30-35 rev/min, and the feeding rotating speed is 25-30 rev/min, and melt pressure is 4-6MPa.
8. the processing method of a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 7 is characterized in that, upper, middle and lower three roll temperatures of described extruder are 50-65C °.
9. composite sheet that is used for making antistatic carrying belt, it is characterized in that, it is comprised of intermediate layer, antistatic upper epidermis and antistatic lower top layer, and described intermediate layer, antistatic upper epidermis and antistatic lower top layer are by one of every compound the making of described method coextrusion of claim 5-8.
10. a kind of composite sheet be used to making antistatic carrying belt as claimed in claim 9 is characterized in that, the light transmittance of described sheet material is 82-87%, and mist degree is 6-13%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210437182.XA CN102922837B (en) | 2012-11-05 | 2012-11-05 | For making composite sheet and the processing method thereof of antistatic carrying belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210437182.XA CN102922837B (en) | 2012-11-05 | 2012-11-05 | For making composite sheet and the processing method thereof of antistatic carrying belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922837A true CN102922837A (en) | 2013-02-13 |
| CN102922837B CN102922837B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210437182.XA Active CN102922837B (en) | 2012-11-05 | 2012-11-05 | For making composite sheet and the processing method thereof of antistatic carrying belt |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275400A (en) * | 2013-05-17 | 2013-09-04 | 浦江亿通塑胶电子有限公司 | TPV and TPV thermoplastic elastomer composite sheet and preparation method thereof |
| CN105733118A (en) * | 2016-02-29 | 2016-07-06 | 金发科技股份有限公司 | K-resin composition as well as preparation method and application thereof |
| CN105820453A (en) * | 2016-03-31 | 2016-08-03 | 广东帝通新材料股份有限公司 | Transparent anti-static electronic carrier tape sheet and preparation method |
| WO2018121167A1 (en) * | 2016-12-27 | 2018-07-05 | 金发科技股份有限公司 | Polystyrene composition and application thereof |
| CN109421287A (en) * | 2017-08-22 | 2019-03-05 | 毛丛敏 | A kind of production method for the PC sheet material of matt after thermoforming |
| CN110406066A (en) * | 2018-04-26 | 2019-11-05 | 俊驰材料科技股份有限公司 | Carrier tape and its manufacturing method |
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| CN1911650A (en) * | 2005-08-09 | 2007-02-14 | 浙江三和塑料有限公司 | Black-less permanent antielectro-static plastic sheet and its preparation method |
| CN101400581A (en) * | 2006-03-17 | 2009-04-01 | 3M创新有限公司 | Carrier tape with excellent impact strength and release property |
| CN101475721A (en) * | 2009-01-13 | 2009-07-08 | 浙江三和塑料有限公司 | Antistatic plastic for SMT carrier band, and preparation and use thereof |
| CN201559881U (en) * | 2009-11-19 | 2010-08-25 | 毛丛敏 | Carrying tape for packaging electronic components |
| CN102153821A (en) * | 2011-02-17 | 2011-08-17 | 合肥美菱股份有限公司 | Modified polystyrene material |
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| JP2006205433A (en) * | 2005-01-26 | 2006-08-10 | Denki Kagaku Kogyo Kk | Composite sheet |
| CN1911650A (en) * | 2005-08-09 | 2007-02-14 | 浙江三和塑料有限公司 | Black-less permanent antielectro-static plastic sheet and its preparation method |
| CN101400581A (en) * | 2006-03-17 | 2009-04-01 | 3M创新有限公司 | Carrier tape with excellent impact strength and release property |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275400A (en) * | 2013-05-17 | 2013-09-04 | 浦江亿通塑胶电子有限公司 | TPV and TPV thermoplastic elastomer composite sheet and preparation method thereof |
| CN103275400B (en) * | 2013-05-17 | 2016-03-09 | 浦江亿通塑胶电子有限公司 | The making method of TPV, TPV thermoplastic elastomer composite sheet, TPV thermoplastic elastomer composite sheet |
| CN105733118A (en) * | 2016-02-29 | 2016-07-06 | 金发科技股份有限公司 | K-resin composition as well as preparation method and application thereof |
| CN105733118B (en) * | 2016-02-29 | 2018-08-14 | 金发科技股份有限公司 | A kind of K resin combinations and the preparation method and application thereof |
| CN105820453A (en) * | 2016-03-31 | 2016-08-03 | 广东帝通新材料股份有限公司 | Transparent anti-static electronic carrier tape sheet and preparation method |
| CN105820453B (en) * | 2016-03-31 | 2019-05-17 | 广东帝通新材料股份有限公司 | Transparent antistatic electronic carrier tape sheet material and preparation method |
| WO2018121167A1 (en) * | 2016-12-27 | 2018-07-05 | 金发科技股份有限公司 | Polystyrene composition and application thereof |
| CN109421287A (en) * | 2017-08-22 | 2019-03-05 | 毛丛敏 | A kind of production method for the PC sheet material of matt after thermoforming |
| CN110406066A (en) * | 2018-04-26 | 2019-11-05 | 俊驰材料科技股份有限公司 | Carrier tape and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102922837B (en) | 2015-07-29 |
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Denomination of invention: Composite sheet material and processing method for producing anti-static load-bearing belts Effective date of registration: 20230626 Granted publication date: 20150729 Pledgee: Pujiang County Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: PUJIANG YITONG PLASTIC ELECTRONIC Co.,Ltd. Registration number: Y2023980045567 |
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Address after: No. 1068, yidianhong Avenue, Pujiang County, Jinhua City, Zhejiang Province 322200 Patentee after: Zhejiang Yitong New Materials Technology Co.,Ltd. Country or region after: China Address before: No. 179 Jinlei Avenue, Economic Development Zone, Pujiang County, Jinhua City, Zhejiang Province, 322200 Patentee before: PUJIANG YITONG PLASTIC ELECTRONIC Co.,Ltd. Country or region before: China |