CN106905668B - A kind of stated polyesters master batch and a kind of technics of enhancing viscosity - Google Patents
A kind of stated polyesters master batch and a kind of technics of enhancing viscosity Download PDFInfo
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- CN106905668B CN106905668B CN201610109311.0A CN201610109311A CN106905668B CN 106905668 B CN106905668 B CN 106905668B CN 201610109311 A CN201610109311 A CN 201610109311A CN 106905668 B CN106905668 B CN 106905668B
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- master batch
- pet
- chain extender
- stated polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention belongs to modifying plastics field more particularly to a kind of stated polyesters master batches and a kind of technics of enhancing viscosity.Viscosity decline is generated in order to solve the problems, such as existing PET master batch in extrusion process, influences product quality, and the present invention provides a kind of stated polyesters master batch and a kind of technics of enhancing viscosity.The stated polyesters master batch includes following raw materials: to stated polyesters master batch 90-99%, polyester powder 0.5-7%, chain extender 0.1-2.5%, antioxidant 0.1-2.5%；The percentage composition is weight percentage.Viscosity with higher after stated polyesters master batch provided by the invention squeezes out.Technics of enhancing viscosity provided by the invention is simple and practical, can increase the viscosity of PET class master batch or PET optical film class reclaimed materials.
Description
Technical field
The invention belongs to modifying plastics field more particularly to a kind of stated polyesters master batches and a kind of technics of enhancing viscosity.
Background technique
PET (polyethylene terephthalate) has excellent heat resistance, corrosion-resistant, obdurability, electrical insulating property etc., and
It is cheap, thus be used widely in plastic applications such as fiber, film, polyester bottles.PET master batch in process of production, by
In heated and extruder screw shear action, PET master batch viscosity can generate different degrees of decline, especially some reclaimed materials
Again after being granulated, viscosity decline is particularly evident, if directly use will produce a very large impact product quality, especially double
There is the field of strict demand to resin viscosity to drawing plastic film etc..
Summary of the invention
Viscosity decline is generated in order to solve the problems, such as existing PET master batch in extrusion process, influences product quality, the present invention
A kind of stated polyesters master batch and a kind of technics of enhancing viscosity are provided.Stated polyesters master batch provided by the invention is with higher viscous after squeezing out
Degree.Technics of enhancing viscosity provided by the invention is simple and practical, can increase the viscosity of PET class master batch or PET optical film class reclaimed materials.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical solutions:
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch includes following raw materials: to stated polyesters mother
Grain 90-99%, polyester powder 0.5-7%, chain extender 0.1-2.5%, antioxidant 0.1-2.5%；The percentage composition is
Weight percentage.
Further, described to stated polyesters master batch includes polyester 50%-100%, and the polyester powder is 100% poly-
Ester.
Further, the stated polyesters master batch is thickening PET master batch, and the thickening PET master batch includes following compositions: to
Viscosify PET master batch 90-99%, PET powder 0.5-7%, chain extender 0.1-2.5%, antioxidant 0.1-2.5%；Described hundred
Dividing content is weight percentage.(aforementioned value range corresponding embodiment 1-8.)
It is known as viscosifying PET master batch by the stated polyesters master batch that primary raw material is prepared of PET master batch to be viscosified.
PET master batch to be viscosified is also referred to as PET class master batch to be viscosified.The main ingredient of PET class master batch to be viscosified is PET.
Further, the PET master batch to be viscosified includes PET50%-100%, and the PET powder is 100%PET.
Further, the partial size of the PET powder is 50-800 μm.Further, the chain extender is powdered, institute
The partial size for stating chain extender is 50-1000 μm.
The PET master batch to be viscosified can be used reclaimed materials, be also possible to original new raw material.
The reclaimed materials is selected from the mixing of one of reflectance coating, diffusion barrier or brightness enhancement film reclaimed materials or at least two.
Further, the inherent viscosity of the PET powder is 0.55-0.75dl/g.
Further, the inherent viscosity of the PET master batch to be viscosified is 0.50-0.80dl/g.
Further, the PET class master batch inherent viscosity to be viscosified is 0.50-0.70dl/g, the PET powder characteristics
Viscosity is 0.55-0.75dl/g.
Further, the chain extender be selected from one of carboxyl add-on type chain extender or hydroxyl add-on type chain extender or
At least two combination.
Further, the carboxyl add-on type chain extender, for example, selected from 2,2 '-bis- (2- oxazoline) (referred to as BOZ) or
1,3- penylene-bis- (2- oxazoline) (referred to as PBO).
Further, the hydroxyl add-on type chain extender, for example, being pyromellitic dianhydride (PMDA).
Further, the antioxidant be antioxidant 1010 and irgasfos 168 mixture, wherein antioxidant 1010 with
The weight ratio of irgasfos 168 is 1:1.
Further, the weight ratio of the PET powder and chain extender is 2:1.
Further, the weight ratio of the PET powder, chain extender and antioxidant is 2:1:1.
Further, the stated polyesters master batch includes following raw materials: PET master batch 96-98%, PET powder to be viscosified
1-2%, chain extender 0.5-1%, antioxidant 0.5-1%.(aforementioned value range corresponding embodiment 2-4.)
The present invention also provides a kind of technics of enhancing viscosity, which is used to prepare the stated polyesters master batch, the technique packet
Include following steps:
(1) raw material preparation: to stated polyesters master batch 90-99%, polyester powder 0.5-7%, chain extender 0.1-2.5%,
Antioxidant 0.1-2.5%；
(2) mixing: chain extender, antioxidant and polyester powder are mixed in proportion using high mixer, obtain mixed powder
Material；
(3) mixed powder obtained to stated polyesters master batch and step (2) extruding pelletization: is passed through into weightlessness using extruder
Scale mixes according to the ratio, extruding pelletization.
Further, in preparation process, in the step (3), extruder selects double screw extruder or single screw rod to squeeze
One of machine out.
The technique of above-mentioned preparation stated polyesters master batch, the also referred to as technics of enhancing viscosity of polyester master particle.
The technique of above-mentioned preparation thickening PET master batch, the also referred to as technics of enhancing viscosity of PET class master batch.
Viscosity with higher after stated polyesters master batch provided by the invention squeezes out.Technics of enhancing viscosity provided by the invention is simple
It is practical, the viscosity of polyester master particle or optical polyester film class reclaimed materials can be increased.After thickening PET master batch provided by the invention squeezes out
Viscosity with higher.The technics of enhancing viscosity of PET class master batch provided by the invention can dramatically increase PET class master batch or PET class optics
The viscosity of film reclaimed materials, and have the characteristics that it is simple and practical, be suitable for large-scale production.
Specific embodiment
In order to be easier to manage dissatisfied technical solution of the present invention and technical effect, below with reference to embodiment, the present invention is carried out detailed
It describes in detail bright.
The technics of enhancing viscosity of PET class master batch provided by the invention, comprising the following steps:
(1) raw material preparation: PET class master batch 90-99%, PET powder 0.5-7% to be viscosified, chain extender 0.1-2.5%,
Antioxidant 0.1-2.5%；
(2) mixing: chain extender, antioxidant and PET powder are mixed in proportion using high mixer, obtain mixed powder
Material；
(3) mixed powder that PET class master batch to be viscosified and step (2) obtain extruding pelletization: is passed through into mistake using extruder
Weight scale according to the ratio blanking, utilize extruder extruding pelletization.Extruder screw revolving speed is 250 revs/min, and extruder temperature is set as
220 DEG C -275 DEG C.
Antioxidant used in embodiment be antioxidant 1010 and irgasfos 168 mixture, wherein antioxidant 1010 with
The weight ratio of irgasfos 168 is 1:1.
The partial size of PET powder used in embodiment is 50-800 μm.Chain extender used in embodiment be it is powdered,
The partial size of the chain extender is 50-1000 μm.
The thickening PET master batch that thickening PET master batch and the present invention are prepared, which is treated, using Ubbelohde viscometer passes through extruder
Inherent viscosity after extrusion is tested.
Embodiment 1
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 99% to be viscosified, PET powder 0.5%, chain extender pyromellitic dianhydride (PMDA)
0.25%, antioxidant 0.25%.The PET master batch to be viscosified is optical film reclaimed materials, and the optical film reclaimed materials includes 80%
PET.Pass through extruder Weightlessness balance automatic blanking, extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, extruder screw
Revolving speed is 250 revs/min, and extruder temperature is set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Embodiment 2
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 98% to be viscosified, PET powder 1%, chain extender pyromellitic dianhydride (PMDA) 0.5%,
Antioxidant 0.5%.The PET master batch to be viscosified is optical film reclaimed materials, and the optical film reclaimed materials includes 80%PET.Pass through
Extruder Weightlessness balance automatic blanking, according to a certain ratio extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, extruder spiral shell
Bar revolving speed is 250 revs/min, and extruder temperature is set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Embodiment 3
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 97% to be viscosified, PET powder 1.5%, pyromellitic dianhydride (PMDA) chain extender
0.75%, antioxidant 0.75%.The PET master batch to be viscosified is optical film reclaimed materials, and the optical film reclaimed materials includes 80%
PET.Pass through extruder Weightlessness balance automatic blanking, extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, extruder screw
Revolving speed is 250 revs/min, and extruder temperature is set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Embodiment 4
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 96% to be viscosified, PET powder 2%, pyromellitic dianhydride (PMDA) chain extender 1% resist
Oxygen agent 1%.The PET master batch to be viscosified is optical film reclaimed materials, and the optical film reclaimed materials includes 80%PET.Pass through extrusion
Machine Weightlessness balance automatic blanking, extruding pelletization.In technics of enhancing viscosity, total discharge quantity be 300kg/h, extruder screw revolving speed be 250 turns/
Minute, extruder temperature is set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Embodiment 5
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 95% to be viscosified, PET powder 2.5%, pyromellitic dianhydride (PMDA) chain extender
1.25%, antioxidant 1.25%.The PET master batch to be viscosified is optical film reclaimed materials, and the optical film reclaimed materials includes 80%
PET.Pass through extruder Weightlessness balance automatic blanking, extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, extruder screw
Revolving speed is 250 revs/min, and extruder temperature is set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Embodiment 6
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 93% to be viscosified, PET powder 4%, chain extender 2%, antioxidant 1%.It is described wait viscosify
PET master batch is optical film reclaimed materials, and the optical film reclaimed materials includes 80%PET.By extruder Weightlessness balance automatic blanking, press
Certain proportion extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, and extruder screw revolving speed is 250 revs/min, is squeezed out
Machine temperature is set as 220 DEG C -275 DEG C.
Embodiment 7
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 90% to be viscosified, PET powder 5%, chain extender 2.5%, antioxidant 2.5%.It is described to
Thickening PET master batch is optical film reclaimed materials, and the optical film reclaimed materials includes 80%PET.By extruder Weightlessness balance it is automatic under
Expect, according to a certain ratio extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, and extruder screw revolving speed is 250 revs/min
Clock, extruder temperature are set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Embodiment 8
The present invention provides a kind of stated polyesters master batch, and the stated polyesters master batch is thickening PET master batch, the thickening PET
Master batch includes following compositions: PET master batch 92.8% to be viscosified, PET powder 7%, chain extender 0.1%, antioxidant 0.1%.It is described
PET master batch to be viscosified is optical film reclaimed materials, and the optical film reclaimed materials includes 80%PET.It is automatic by extruder Weightlessness balance
Blanking, according to a certain ratio extruding pelletization.In technics of enhancing viscosity, total discharge quantity is 300kg/h, and extruder screw revolving speed is 250 revs/min
Clock, extruder temperature are set as 220 DEG C -275 DEG C.Product is obtained as thickening PET master batch.
Comparative example
PET class master batch 100% to be viscosified, the PET master batch to be viscosified are optical film reclaimed materials, the optical film reclaimed materials
Including 80%PET.By extruder Weightlessness balance automatic blanking, wherein PET master batch blanking ratio 100% to be viscosified, chain extender resist
The mixture blanking ratio of oxygen agent and PET powder is 0, total discharge quantity 300kg/h, and extruder screw revolving speed is 250 revs/min,
Extruder temperature is set as 220 DEG C -275 DEG C.
Inherent viscosity test result of the PET master batch to be viscosified of table 1 before and after technics of enhancing viscosity
The data as shown in above-mentioned table 1 it can be concluded that, with wait viscosify PET master batch pass through extruder squeeze out after viscosity phase
Than the viscosity after thickening PET master batch is squeezed out by extruder has significant raising.Wherein, the increasing that embodiment 2,3 and 4 provides
The viscosity of viscous PET master batch is promoted maximum.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
The equivalent changes and modifications that content is done according to the present invention are encompassed by the scope of the patents of the invention.
Claims (8)
1. a kind of stated polyesters master batch, which is characterized in that the stated polyesters master batch includes following raw materials: PET master batch to be viscosified
96-98%, PET powder 1-2%, chain extender 0.5-1%, antioxidant 0.5-1%；The percentage composition contains for weight percent
Amount.
2. stated polyesters master batch according to claim 1, which is characterized in that the PET master batch to be viscosified includes
PET50%-100%, the PET powder are 100%PET.
3. stated polyesters master batch according to claim 1, which is characterized in that the inherent viscosity of the PET powder is 0.55-
0.75dl/g。
4. stated polyesters master batch according to claim 1, which is characterized in that the chain extender is selected from carboxyl add-on type chain extension
One of agent or hydroxyl add-on type chain extender or at least two combination.
5. stated polyesters master batch according to claim 1, which is characterized in that the weight ratio of the PET powder and chain extender
Example is 2:1.
6. stated polyesters master batch according to claim 1, which is characterized in that the PET powder, chain extender and antioxidant
Weight ratio be 2:1:1.
7. stated polyesters master batch according to claim 1, which is characterized in that the partial size of the PET powder is 50-800 μ
m；The chain extender be it is powdered, the partial size of the chain extender is 50-1000 μm.
8. a kind of technics of enhancing viscosity, which is characterized in that the technique is used to prepare stated polyesters master batch according to claim 1,
The technique the following steps are included:
(1) raw material preparation: PET master batch 96-98%, PET powder 1-2% to be viscosified, chain extender 0.5-1%, antioxidant
0.5-1%；
(2) mixing: chain extender, antioxidant and polyester powder are mixed in proportion using high mixer, obtain mixed powder；
(3) extruding pelletization: using extruder will to mixed powder that stated polyesters master batch and step (2) obtain by Weightlessness balance by
Proportion mixing, extruding pelletization.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610109311.0A CN106905668B (en) | 2016-02-29 | 2016-02-29 | A kind of stated polyesters master batch and a kind of technics of enhancing viscosity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109311.0A CN106905668B (en) | 2016-02-29 | 2016-02-29 | A kind of stated polyesters master batch and a kind of technics of enhancing viscosity |
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| CN106905668A CN106905668A (en) | 2017-06-30 |
| CN106905668B true CN106905668B (en) | 2019-04-05 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643154A (en) * | 2019-09-17 | 2020-01-03 | 浙江金立达新材料科技股份有限公司 | PET tackifying method |
| CN112659691A (en) * | 2021-03-15 | 2021-04-16 | 富维薄膜（山东）有限公司 | Polyester film for fire-resistant dry film resist and preparation method thereof |
| CN118082346A (en) * | 2024-04-23 | 2024-05-28 | 宁波长阳科技股份有限公司 | PCR-PET-based optical reflection film and preparation method thereof |
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|---|---|---|---|---|
| CN101475695A (en) * | 2008-12-29 | 2009-07-08 | 王文广 | Wholly-degradable primary color master batch and preparation thereof |
| CN102417697A (en) * | 2011-09-22 | 2012-04-18 | 东莞上海大学纳米技术研究院 | Waste PET toughening and tackifying method and PET granules for implementing method |
| CN104109358A (en) * | 2014-06-24 | 2014-10-22 | 新疆康润洁环保科技有限公司 | Polyester biodegradable shopping bag and preparation and application thereof |
-
2016
- 2016-02-29 CN CN201610109311.0A patent/CN106905668B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475695A (en) * | 2008-12-29 | 2009-07-08 | 王文广 | Wholly-degradable primary color master batch and preparation thereof |
| CN102417697A (en) * | 2011-09-22 | 2012-04-18 | 东莞上海大学纳米技术研究院 | Waste PET toughening and tackifying method and PET granules for implementing method |
| CN104109358A (en) * | 2014-06-24 | 2014-10-22 | 新疆康润洁环保科技有限公司 | Polyester biodegradable shopping bag and preparation and application thereof |
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Application publication date: 20170630 Assignee: Ningbo Changlong New Material Co.,Ltd. Assignor: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000199 Denomination of invention: A tackifying polyester masterbatch and a tackifying process Granted publication date: 20190405 License type: Common License Record date: 20210831 |
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