CN106280296A - A kind of PET/PC resin combination of high fluidity and preparation method thereof - Google Patents
A kind of PET/PC resin combination of high fluidity and preparation method thereof Download PDFInfo
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- CN106280296A CN106280296A CN201610637537.8A CN201610637537A CN106280296A CN 106280296 A CN106280296 A CN 106280296A CN 201610637537 A CN201610637537 A CN 201610637537A CN 106280296 A CN106280296 A CN 106280296A
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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
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses the PET/PC resin combination of a kind of high fluidity, including component: low-melting point PET resin 10 parts 86.9 parts；PC resin 10 parts 86.9 parts；Toughener 2 parts 30 parts；0.6 part of antioxidant；Ester exchange inhibitor 0.5 part.Wherein, described low-melting point PET resin is that a kind of fusing point is 190 230 DEG C of special PET resin；Described toughener is the mixing of one or more in ethylene vinyl acetate, ethylene methyl acrylate, ethylene ethyl acrylate, ethylene butyl acrylate, Low Density Polyethylene, maleic anhydride grafted ethene octene copolymer, ethylene ethyl acrylate glycidyl ester copolymer, ethylene butyl acrylate glycidyl ester copolymer etc..The present invention is had the features such as high fluidity, high tenacity by preferred PC resin, low-melting point PET resin and the kind of toughener and consumption, the PET/PC resin combination prepared, be can be widely applied in injection-molded item.
Description
Technical field
The present invention relates to engineering plastics technical field, be specifically related to a kind of high fluidity PET/PC resin combination and
Preparation method.
Background technology
Conventional polybutylene terephthalate (PBT) (PET) is the engineering plastics of a kind of hemicrystalline, and it has good
Mechanical property, electrical property, thermostability and chemical resistance etc., be widely used in the industries such as automobile, electronics, electrical equipment；Also in polyester bottles, fine
Dimension, the field such as thin film is widely used.But at injection molding art, owing to PET resin can crystallize in melting process, it cools down knot
Brilliant speed is relatively slow, and cool time is longer, limits its application.
By polymerization process introduces copolymerization units, it is possible to reduce the cold crystallization of PET and crystallizing power, even synthesize amorphous
PET resin, this resin has relatively low fusing point.As patent CN103102473A discloses a kind of by introducing 10-30%
M-phthalic acid, the crystallization modifier of 5-29% and the branched regulator of 0.03-2%, finally synthesized low melting point, transparent
PET resin.Patent CN 103102646A discloses the crystallization of a kind of fusing point regulator and 7-20% by introducing 5-10% and promotees
Enter agent, synthesize a kind of low melting point, the PET resin of high crystallization temperature.And patent CN 104987498A discloses a kind of by drawing
Entering 2-methyl isophthalic acid, ammediol (MPO) and M-phthalic acid, the PTT having synthesized low melting point is right with poly-
PET, its melting range is between 190 DEG C to 250 DEG C.
Copolyester with low melting point application currently mainly is textile industry, and it can carry out composite spinning with conventional polyester,
The core-skin composite fiber of gained can be used for and wool blended the worn performance improving worsted fabric；And copolyester with low melting point is also
Wide application prospect is had in non-woven fabrics, hot-melt prepreg machine, building materials and paint field.
PC resin has the toughness of excellence, has broader use field, but owing to PC is more difficult to process, is being permitted
Requiring the occasion of high fluidity, the application of PC is restricted more；Therefore, by alloying, as introduced ABS or PET, Ke Yigai
The processability of kind PC.But the addition of general PET resin, can not improve the mobility of PET/PC alloy, and by introducing eutectic
The PET resin of point, compared to traditional PET/PC alloy, has significant advantage in terms of processing fluidity, and therefore, this patent is opened
Send out PET and the PC resin alloy of low melting point, some PET/PC alloy problems in terms of injection at present can have been solved.
Summary of the invention
The purpose of the present invention, it is simply that provide the PET/PC resin combination of a kind of high fluidity in order to solve the problems referred to above
Thing and preparation method thereof.
The object of the present invention is achieved like this:
The PET/PC resin combination of a kind of high fluidity of the present invention, this PET/PC resin combination includes following components
And weight portion content:
The PET/PC resin combination of above-mentioned a kind of high fluidity, wherein, the repetitive of low-melting point PET resin by with
Lower component is constituted:
Component A: account for the dicarboxylic acid units of the repetitive 45-55mol% of resin；
Component B: account for the diol units that carbon number is 2～14 of the repetitive 45-55mol% of resin；
Wherein, described component A is by accounting for terephthalic acid units A1 of its 80-100mol% and accounting between its 0-20mol%
Phthalic acid or O-phthalic acid unit A2 composition；Wherein, described component B by account for its 80-100mol% ethylene glycol unit B 1,
Account for the aliphatic diol that carbon number is 2～9 of its 0-20mol% or cycloaliphatic diol units B2 group that carbon number is 2～9
Become；And meet in component A or component B at least any one component, comprise two or more different unit.
The PET/PC resin combination of above-mentioned a kind of high fluidity, wherein, its melting range of low-melting point PET resin exists
Between 190-230 DEG C, between preferably 210-230 DEG C, between most preferably 215-225 DEG C.Low-melting point PET resin, its characteristic is glued
Degree is between 0.55-0.95ml/g, between preferably 0.65-0.85ml/g, between most preferably 0.7-0.8ml/g.
The PET/PC resin combination of above-mentioned a kind of high fluidity, wherein, described PC resin is selected from fragrance adoption carbon
At least one in acid esters, fatty poly-ester carbonate, aromatic-aliphatic Merlon, branching polycarbonate；It is preferably fragrance
Adoption carbonic ester；Described aromatic copolycarbonate, selected from the aromatic copolycarbonate of viscosity-average molecular weight 13000-40000, is preferably
The fragrant adoption of the aromatic copolycarbonate of viscosity-average molecular weight 16000-28000, most preferably viscosity-average molecular weight 17000-24000
Carbonic ester.
The PET/PC resin combination of above-mentioned a kind of high fluidity, wherein, described toughener is ethene-vinyl acetate
Ester, ethylene-methyl acrylate, ethylene-ethylacrylate, Ethylene-butyl acrylate, Low Density Polyethylene, maleic anhydride are grafted
Ethylene-octene copolymer, ethylene-ethylacrylate-glycidyl ester copolymer, Ethylene-butyl acrylate-ethylene oxidic ester are common
At least one in polymers
The PET/PC resin combination of above-mentioned a kind of high fluidity, wherein, described antioxidant be pentaerythritol ester and
Phosphite ester, the two weight ratio is 1:1.
The PET/PC resin combination of above-mentioned a kind of high fluidity, wherein, described ester exchange inhibitor is pyrophosphoric acid
Disodium dihydrogen.
Present invention also offers the PET/PC resin combination of a kind of high fluidity, comprise the following steps:
(1) according to following components and weight portion content preparation raw material:
(2) enter twin screw after PC resin, PET resin, toughener, antioxidant and ester exchange inhibitor uniformly being mixed to squeeze
Going out machine, processing technique is as follows: district's temperature 220-230 DEG C, two district's temperature 230-240 DEG C, three district's temperature 240-250 DEG C, 4th district
Temperature 240-250 DEG C, five district's temperature 240-250 DEG C, six district's temperature 245-255 DEG C, seven district's temperature 245-255 DEG C, eight district's temperature
245-255 DEG C, nine district's temperature 240-250 DEG C；Engine speed 300-400 rev/min.
(3) discharging, cools down after extrusion, is dried, pelletizing, can prepare the PET-PC resin of high fluidity of the present invention
Compositions.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
The material that the embodiment of the present invention and comparative example are used is as follows:
Low-melting point PET resin: intrinsic viscosity is 0.71ml/g, the trade mark is HS550, SINOPEC's asset management
Engineering plastics factory of Yizheng branch company of company limited；Wherein, terephthalic acid units content is 39mol% ratio, M-phthalic acid
Unit content is 11mol% ratio, and ethylene glycol unit content is 50mol% ratio；
Conventional PET resin: intrinsic viscosity is 0.68ml/g, and the trade mark is SB500, and SINOPEC's asset management has
Engineering plastics factory of Yizheng branch company of limit company；
PC resin: viscosity-average molecular weight is about 25000, and the trade mark is 1300-10, LG chemical company of Korea S；
Toughener: Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, the trade mark is PTW, and the U.S. shuts out
Company of nation；Maleic anhydride grafted ethene-octene copolymer (MPOE), the trade mark is N493D, du pont company；
Antioxidant: four [β-(3,5-di-tert-butyl-4-hydroxy phenyl) propanoic acid] pentaerythritol ester, Irganox 1010,
Ciba fine chemicals.Three [2.4-di-tert-butyl-phenyl] phosphite ester, Irganox168, Ciba fine chemicals；Two
Person's ratio of weight and number is 1:1；
Ester exchange inhibitor: Sodium Acid Pyrophosphate (SAPP), Sichuan Jin Diyamei Science and Technology Ltd..
Embodiment 1～9 and comparative example 1～2:
By table 1 formula, PC resin, PET resin, toughener and other auxiliary agents etc. are mixed in high-speed mixer 1-2
Minute obtaining premix material, premix material, through double screw extruder, melt extrudes at 210 DEG C-250 DEG C, cools down, pelletize and get final product.
The performance test results is as shown in table 1.
The component (weight portion) of table 1 embodiment 1-9 and comparative example 1-2 and the performance test results
*: fusing point uses DSC method test；
*: do not have fusing point.
Knowable to embodiment 1-9 of table 1 and the comparison of comparative example 1-2, the present invention by the PET resin of preferably less than fusing point and
PC resin and toughener, it is possible to preparation has PET and the PC resin alloy compositions of high fluidity, this novel resin combination
Thing will be well used at Injection Industry.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or modification, the most all equivalents
Technical scheme also should belong to scope of the invention, should be limited by each claim.
Claims (9)
1. the PET/PC resin combination of a high fluidity, it is characterised in that the PET/PC resin group of described high fluidity
Compound includes the component of following parts by weight:
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described low melting point
The repetitive of PET resin is made up of following components:
Component A: account for the dicarboxylic acid units of the repetitive 45-55mol% of resin；
Component B: account for the diol units that carbon number is 2-14 of the repetitive 45-55mol% of resin；
Wherein, described component A is by accounting for terephthalic acid units A1 of its 80-100mol% and accounting for the isophthalic two of its 0-20mol%
Formic acid or O-phthalic acid unit A2 composition；Wherein, described component B is by accounting for the ethylene glycol unit B 1 of its 80-100mol%, accounting for it
The carbon number of 0-20mol% is aliphatic diol or the cycloaliphatic diol units B2 composition of 2-9；And meet component A or component B
At least in any one component, comprise two or more different unit.
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described low melting point
Its melting range of PET resin is between 190-230 DEG C, between preferably 210-230 DEG C, between most preferably 215-225 DEG C.
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described low melting point
PET resin, its intrinsic viscosity is between 0.55-0.95ml/g, between preferably 0.65-0.85ml/g, most preferably 0.7-
Between 0.8ml/g.
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described PC resin
In aromatic copolycarbonate, fatty poly-ester carbonate, aromatic-aliphatic Merlon, branching polycarbonate at least
A kind of；It is preferably aromatic copolycarbonate；Described aromatic copolycarbonate is selected from the aromatic series of viscosity-average molecular weight 13000-40000
Merlon, the preferably aromatic copolycarbonate of viscosity-average molecular weight 16000-28000, more preferably viscosity-average molecular weight 17000-
The aromatic copolycarbonate of 24000.
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described toughener
For ethylene-vinyl acetate, ethylene-methyl acrylate, ethylene-ethylacrylate, Ethylene-butyl acrylate, low density polyethylene
Alkene, maleic anhydride grafted ethene-octene copolymer, ethylene-ethylacrylate-glycidyl ester copolymer, ethylene-acrylic acid fourth
At least one in ester-glycidyl ester copolymer etc..
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described antioxidant
For pentaerythritol ester and phosphite ester, parts by weight ratio is 1:1.
The PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that described ester exchange
Inhibitor is Sodium Acid Pyrophosphate.
The preparation method of the PET/PC resin combination of a kind of high fluidity the most as claimed in claim 1, it is characterised in that bag
Include following steps:
(1) according to following components and weight portion content preparation raw material:
(2) twin-screw extrusion is entered after PC resin, PET resin, toughener, antioxidant and ester exchange inhibitor uniformly being mixed
Machine, processing technique is as follows: district's temperature 220-230 DEG C, two district's temperature 230-240 DEG C, three district's temperature 240-250 DEG C, four district's temperature
Spend 240-250 DEG C, five district's temperature 240-250 DEG C, six district's temperature 245-255 DEG C, seven district's temperature 245-255 DEG C, eight district's temperature
245-255 DEG C, nine district's temperature 240-250 DEG C；Engine speed 300-400 rev/min.
(3) discharging, cools down after extrusion, is dried, pelletizing, can prepare the PET/PC resin combination of high fluidity of the present invention
Thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637537.8A CN106280296A (en) | 2016-08-05 | 2016-08-05 | A kind of PET/PC resin combination of high fluidity and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637537.8A CN106280296A (en) | 2016-08-05 | 2016-08-05 | A kind of PET/PC resin combination of high fluidity and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106280296A true CN106280296A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610637537.8A Pending CN106280296A (en) | 2016-08-05 | 2016-08-05 | A kind of PET/PC resin combination of high fluidity and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107541044A (en) * | 2017-09-01 | 2018-01-05 | 品诚塑胶科技（上海）有限公司 | Poly carbonate resin composition and preparation method thereof |
| CN110041669A (en) * | 2019-04-03 | 2019-07-23 | 苏州博驰新材料有限公司 | A kind of preparation method of halogen-free flameproof PTT/PC alloy material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066856A (en) * | 1991-03-29 | 1992-12-09 | M及G·研究股份公司 | Has low-melting high molecular copolyester resin having |
| CN101089046A (en) * | 2007-06-08 | 2007-12-19 | 深圳市科聚新材料有限公司 | Transparent polycarbonate alloy composite material and its prepn process |
| CN101220199A (en) * | 2007-12-28 | 2008-07-16 | 深圳市科聚新材料有限公司 | Environment-protection flame-proof fiberglass reinforcing polyester alloy material and method for producing the same |
-
2016
- 2016-08-05 CN CN201610637537.8A patent/CN106280296A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066856A (en) * | 1991-03-29 | 1992-12-09 | M及G·研究股份公司 | Has low-melting high molecular copolyester resin having |
| CN101089046A (en) * | 2007-06-08 | 2007-12-19 | 深圳市科聚新材料有限公司 | Transparent polycarbonate alloy composite material and its prepn process |
| CN101220199A (en) * | 2007-12-28 | 2008-07-16 | 深圳市科聚新材料有限公司 | Environment-protection flame-proof fiberglass reinforcing polyester alloy material and method for producing the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107541044A (en) * | 2017-09-01 | 2018-01-05 | 品诚塑胶科技（上海）有限公司 | Poly carbonate resin composition and preparation method thereof |
| CN110041669A (en) * | 2019-04-03 | 2019-07-23 | 苏州博驰新材料有限公司 | A kind of preparation method of halogen-free flameproof PTT/PC alloy material |
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Inventor after: Yin Nianwei Inventor after: Tian Zhengyu Inventor after: Lu Libo Inventor after: Jiang Gangjun Inventor before: Yin Nianwei Inventor before: Tian Zhengyu Inventor before: Lu Libo Inventor before: Jiang Gangjun |
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