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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
antistatic
composite sheet
intermediate layer
resin
top layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201210437182XA
Other languages
Chinese (zh)
Other versions
CN102922837B (en
Inventor
毛丛敏
林咸雄
楼航辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yitong New Materials Technology Co ltd
Original Assignee
PUJIANG YITONG PLASTIC ELECTRONIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PUJIANG YITONG PLASTIC ELECTRONIC CO Ltd filed Critical PUJIANG YITONG PLASTIC ELECTRONIC CO Ltd
Priority to CN201210437182.XA priority Critical patent/CN102922837B/en
Publication of CN102922837A publication Critical patent/CN102922837A/en
Application granted granted Critical
Publication of CN102922837B publication Critical patent/CN102922837B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92647Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing

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

For composite sheet and the processing method thereof of making antistatic carrying belt
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
Figure BDA00002357156800041
Figure BDA00002357156800051
Table 2: the performance table of comparisons
Figure BDA00002357156800052
Figure BDA00002357156800061

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%.
CN201210437182.XA 2012-11-05 2012-11-05 For making composite sheet and the processing method thereof of antistatic carrying belt Active CN102922837B (en)

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

Family

ID=47637826

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

Country Status (1)

Country Link
CN (1) CN102922837B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
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 band and its preparation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (9)

* Cited by examiner, † Cited by third party
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 band and its preparation method

Also Published As

Publication number Publication date
CN102922837B (en) 2015-07-29

Similar Documents

Publication Publication Date Title
CN102922837B (en) For making composite sheet and the processing method thereof of antistatic carrying belt
CN102329435B (en) Composite fully degradable agricultural mulching film material and preparation process thereof
CN101012322B (en) Antistatic adhesion-resistant slippery linear low density polyethylene composition and method of making the same
CN104004283A (en) Environment-friendly two-way stretching polystyrene sheet material for printing and manufacture method thereof
US20140037899A1 (en) Textured polymeric films and articles comprising the same
CN111703158A (en) Antibacterial biaxially oriented polyvinyl alcohol film and preparation method thereof
CN104672607A (en) Biaxially oriented polypropylene high-modulus film master batch and production process thereof
CN109016768A (en) A kind of biaxially oriented polyester film and preparation method thereof
CN104387760A (en) Anti-blocking nylon masterbatch and preparation method thereof
CN105922699A (en) High-strength plastic thin film and preparation method thereof
CN103707603A (en) Double-face heat-sealed and anti-fogging type BOPP (biaxially-oriented polypropylene) film and preparation method thereof
CN108943940B (en) High-barrier visible heavy packaging composite film and production method thereof
CN103709682A (en) Glass fiber reinforced polybutylene terephthalate material and preparation method thereof
CN103231562B (en) A kind of biaxial stretching polyester height bright mirror surface film and making method thereof
CN111016359A (en) PE low-temperature packaging film and preparation method and application thereof
CN104943305B (en) Highly-transparent optical polyester film and preparation method thereof
CN105881923A (en) PET (Polyethylene Terephthalate) sheet production technology
CN111572139B (en) Colorful high-brightness high-transmittance antibacterial polyester film for packaging printing and preparation method thereof
CN103665662A (en) Heat-shrinkable PVC film and making method thereof
CN111703161A (en) High-wear-resistance BOPET film and preparation method thereof
CN112356543A (en) High-gloss and high-transparency polyethylene cast film and preparation method thereof
CN106674742A (en) PP (polypropylene) composite for thin-walled automobile bumper and preparation method of PP composite
CN114621521B (en) Long fiber reinforced polypropylene material and preparation method and application thereof
CN105482300A (en) High-stiffness composite packaging paper and preparation method thereof
DE112021003920T5 (en) HEAT-SHRINKABLE POLYESTER FILM

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

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

PE01 Entry into force of the registration of the contract for pledge of patent right
CP03 Change of name, title or address

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